author | Florian Pose <fp@igh.de> |
Wed, 06 Dec 2017 10:09:50 +0100 | |
branch | stable-1.5 |
changeset 2692 | cb240525acb6 |
parent 2685 | 740291442c05 |
permissions | -rw-r--r-- |
2685
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
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changeset
|
1 |
/* Intel(R) Gigabit Ethernet Linux driver |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
2 |
* Copyright(c) 2007-2014 Intel Corporation. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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3 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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4 |
* This program is free software; you can redistribute it and/or modify it |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
5 |
* under the terms and conditions of the GNU General Public License, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
6 |
* version 2, as published by the Free Software Foundation. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
7 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
8 |
* This program is distributed in the hope it will be useful, but WITHOUT |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
9 |
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
10 |
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
11 |
* more details. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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12 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
13 |
* You should have received a copy of the GNU General Public License along with |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
14 |
* this program; if not, see <http://www.gnu.org/licenses/>. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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15 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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16 |
* The full GNU General Public License is included in this distribution in |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
17 |
* the file called "COPYING". |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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18 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
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|
19 |
* Contact Information: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
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|
20 |
* e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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21 |
* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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22 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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23 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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24 |
#include <linux/if_ether.h> |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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25 |
#include <linux/delay.h> |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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26 |
#include <linux/pci.h> |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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27 |
#include <linux/netdevice.h> |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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28 |
#include <linux/etherdevice.h> |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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29 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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30 |
#include "e1000_mac.h" |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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31 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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32 |
#include "igb.h" |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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33 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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34 |
static s32 igb_set_default_fc(struct e1000_hw *hw); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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35 |
static s32 igb_set_fc_watermarks(struct e1000_hw *hw); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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36 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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37 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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38 |
* igb_get_bus_info_pcie - Get PCIe bus information |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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39 |
* @hw: pointer to the HW structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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40 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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41 |
* Determines and stores the system bus information for a particular |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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42 |
* network interface. The following bus information is determined and stored: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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43 |
* bus speed, bus width, type (PCIe), and PCIe function. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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44 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
45 |
s32 igb_get_bus_info_pcie(struct e1000_hw *hw) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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46 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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47 |
struct e1000_bus_info *bus = &hw->bus; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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48 |
s32 ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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49 |
u32 reg; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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50 |
u16 pcie_link_status; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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51 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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52 |
bus->type = e1000_bus_type_pci_express; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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53 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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54 |
ret_val = igb_read_pcie_cap_reg(hw, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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55 |
PCI_EXP_LNKSTA, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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56 |
&pcie_link_status); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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57 |
if (ret_val) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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58 |
bus->width = e1000_bus_width_unknown; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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59 |
bus->speed = e1000_bus_speed_unknown; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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60 |
} else { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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61 |
switch (pcie_link_status & PCI_EXP_LNKSTA_CLS) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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62 |
case PCI_EXP_LNKSTA_CLS_2_5GB: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
63 |
bus->speed = e1000_bus_speed_2500; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
64 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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65 |
case PCI_EXP_LNKSTA_CLS_5_0GB: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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|
66 |
bus->speed = e1000_bus_speed_5000; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
67 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
68 |
default: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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|
69 |
bus->speed = e1000_bus_speed_unknown; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
70 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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71 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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72 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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73 |
bus->width = (enum e1000_bus_width)((pcie_link_status & |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
74 |
PCI_EXP_LNKSTA_NLW) >> |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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|
75 |
PCI_EXP_LNKSTA_NLW_SHIFT); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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76 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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77 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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|
78 |
reg = rd32(E1000_STATUS); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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79 |
bus->func = (reg & E1000_STATUS_FUNC_MASK) >> E1000_STATUS_FUNC_SHIFT; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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80 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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81 |
return 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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|
82 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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83 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
84 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
85 |
* igb_clear_vfta - Clear VLAN filter table |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
86 |
* @hw: pointer to the HW structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
87 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
88 |
* Clears the register array which contains the VLAN filter table by |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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89 |
* setting all the values to 0. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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90 |
**/ |
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Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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91 |
void igb_clear_vfta(struct e1000_hw *hw) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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92 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
93 |
u32 offset; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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94 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
95 |
for (offset = 0; offset < E1000_VLAN_FILTER_TBL_SIZE; offset++) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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|
96 |
array_wr32(E1000_VFTA, offset, 0); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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|
97 |
wrfl(); |
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Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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|
98 |
} |
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Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
99 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
100 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
101 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
102 |
* igb_write_vfta - Write value to VLAN filter table |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
103 |
* @hw: pointer to the HW structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
104 |
* @offset: register offset in VLAN filter table |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
105 |
* @value: register value written to VLAN filter table |
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Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
106 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
107 |
* Writes value at the given offset in the register array which stores |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
108 |
* the VLAN filter table. |
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Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
109 |
**/ |
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Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
110 |
static void igb_write_vfta(struct e1000_hw *hw, u32 offset, u32 value) |
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Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
111 |
{ |
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Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
112 |
array_wr32(E1000_VFTA, offset, value); |
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Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
113 |
wrfl(); |
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Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
114 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
115 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
116 |
/* Due to a hw errata, if the host tries to configure the VFTA register |
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Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
117 |
* while performing queries from the BMC or DMA, then the VFTA in some |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
118 |
* cases won't be written. |
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Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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|
119 |
*/ |
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Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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|
120 |
|
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Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
121 |
/** |
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Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
122 |
* igb_clear_vfta_i350 - Clear VLAN filter table |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
diff
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|
123 |
* @hw: pointer to the HW structure |
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Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
diff
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|
124 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
125 |
* Clears the register array which contains the VLAN filter table by |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
126 |
* setting all the values to 0. |
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Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
127 |
**/ |
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Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
128 |
void igb_clear_vfta_i350(struct e1000_hw *hw) |
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|
129 |
{ |
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Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
130 |
u32 offset; |
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Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
131 |
int i; |
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Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
132 |
|
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Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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|
133 |
for (offset = 0; offset < E1000_VLAN_FILTER_TBL_SIZE; offset++) { |
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Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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changeset
|
134 |
for (i = 0; i < 10; i++) |
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Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
135 |
array_wr32(E1000_VFTA, offset, 0); |
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Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
136 |
|
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Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
137 |
wrfl(); |
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Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
diff
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|
138 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
139 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
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changeset
|
140 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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changeset
|
141 |
/** |
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Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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changeset
|
142 |
* igb_write_vfta_i350 - Write value to VLAN filter table |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
143 |
* @hw: pointer to the HW structure |
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Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
144 |
* @offset: register offset in VLAN filter table |
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Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
145 |
* @value: register value written to VLAN filter table |
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Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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changeset
|
146 |
* |
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Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
147 |
* Writes value at the given offset in the register array which stores |
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Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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|
148 |
* the VLAN filter table. |
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|
149 |
**/ |
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Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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|
150 |
static void igb_write_vfta_i350(struct e1000_hw *hw, u32 offset, u32 value) |
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Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
151 |
{ |
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Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
152 |
int i; |
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Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
153 |
|
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Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
154 |
for (i = 0; i < 10; i++) |
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Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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|
155 |
array_wr32(E1000_VFTA, offset, value); |
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Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
156 |
|
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Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
157 |
wrfl(); |
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Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
158 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
diff
changeset
|
159 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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changeset
|
160 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
161 |
* igb_init_rx_addrs - Initialize receive address's |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
diff
changeset
|
162 |
* @hw: pointer to the HW structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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changeset
|
163 |
* @rar_count: receive address registers |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
diff
changeset
|
164 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
165 |
* Setups the receive address registers by setting the base receive address |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
diff
changeset
|
166 |
* register to the devices MAC address and clearing all the other receive |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
diff
changeset
|
167 |
* address registers to 0. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
diff
changeset
|
168 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
169 |
void igb_init_rx_addrs(struct e1000_hw *hw, u16 rar_count) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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changeset
|
170 |
{ |
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Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
diff
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|
171 |
u32 i; |
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Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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changeset
|
172 |
u8 mac_addr[ETH_ALEN] = {0}; |
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Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
diff
changeset
|
173 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
174 |
/* Setup the receive address */ |
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Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
diff
changeset
|
175 |
hw_dbg("Programming MAC Address into RAR[0]\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
176 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
177 |
hw->mac.ops.rar_set(hw, hw->mac.addr, 0); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
178 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
179 |
/* Zero out the other (rar_entry_count - 1) receive addresses */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
180 |
hw_dbg("Clearing RAR[1-%u]\n", rar_count-1); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
181 |
for (i = 1; i < rar_count; i++) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
182 |
hw->mac.ops.rar_set(hw, mac_addr, i); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
183 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
184 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
185 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
186 |
* igb_vfta_set - enable or disable vlan in VLAN filter table |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
187 |
* @hw: pointer to the HW structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
188 |
* @vid: VLAN id to add or remove |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
189 |
* @add: if true add filter, if false remove |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
190 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
191 |
* Sets or clears a bit in the VLAN filter table array based on VLAN id |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
192 |
* and if we are adding or removing the filter |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
193 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
194 |
s32 igb_vfta_set(struct e1000_hw *hw, u32 vid, bool add) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
195 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
196 |
u32 index = (vid >> E1000_VFTA_ENTRY_SHIFT) & E1000_VFTA_ENTRY_MASK; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
197 |
u32 mask = 1 << (vid & E1000_VFTA_ENTRY_BIT_SHIFT_MASK); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
198 |
u32 vfta; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
199 |
struct igb_adapter *adapter = hw->back; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
200 |
s32 ret_val = 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
201 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
202 |
vfta = adapter->shadow_vfta[index]; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
203 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
204 |
/* bit was set/cleared before we started */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
205 |
if ((!!(vfta & mask)) == add) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
206 |
ret_val = -E1000_ERR_CONFIG; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
207 |
} else { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
208 |
if (add) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
209 |
vfta |= mask; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
210 |
else |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
211 |
vfta &= ~mask; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
212 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
213 |
if ((hw->mac.type == e1000_i350) || (hw->mac.type == e1000_i354)) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
214 |
igb_write_vfta_i350(hw, index, vfta); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
215 |
else |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
216 |
igb_write_vfta(hw, index, vfta); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
217 |
adapter->shadow_vfta[index] = vfta; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
218 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
219 |
return ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
220 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
221 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
222 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
223 |
* igb_check_alt_mac_addr - Check for alternate MAC addr |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
224 |
* @hw: pointer to the HW structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
225 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
226 |
* Checks the nvm for an alternate MAC address. An alternate MAC address |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
227 |
* can be setup by pre-boot software and must be treated like a permanent |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
228 |
* address and must override the actual permanent MAC address. If an |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
229 |
* alternate MAC address is found it is saved in the hw struct and |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
230 |
* programmed into RAR0 and the function returns success, otherwise the |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
231 |
* function returns an error. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
232 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
233 |
s32 igb_check_alt_mac_addr(struct e1000_hw *hw) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
234 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
235 |
u32 i; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
236 |
s32 ret_val = 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
237 |
u16 offset, nvm_alt_mac_addr_offset, nvm_data; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
238 |
u8 alt_mac_addr[ETH_ALEN]; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
239 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
240 |
/* Alternate MAC address is handled by the option ROM for 82580 |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
241 |
* and newer. SW support not required. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
242 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
243 |
if (hw->mac.type >= e1000_82580) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
244 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
245 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
246 |
ret_val = hw->nvm.ops.read(hw, NVM_ALT_MAC_ADDR_PTR, 1, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
247 |
&nvm_alt_mac_addr_offset); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
248 |
if (ret_val) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
249 |
hw_dbg("NVM Read Error\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
250 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
251 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
252 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
253 |
if ((nvm_alt_mac_addr_offset == 0xFFFF) || |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
254 |
(nvm_alt_mac_addr_offset == 0x0000)) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
255 |
/* There is no Alternate MAC Address */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
256 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
257 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
258 |
if (hw->bus.func == E1000_FUNC_1) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
259 |
nvm_alt_mac_addr_offset += E1000_ALT_MAC_ADDRESS_OFFSET_LAN1; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
260 |
if (hw->bus.func == E1000_FUNC_2) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
261 |
nvm_alt_mac_addr_offset += E1000_ALT_MAC_ADDRESS_OFFSET_LAN2; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
262 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
263 |
if (hw->bus.func == E1000_FUNC_3) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
264 |
nvm_alt_mac_addr_offset += E1000_ALT_MAC_ADDRESS_OFFSET_LAN3; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
265 |
for (i = 0; i < ETH_ALEN; i += 2) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
266 |
offset = nvm_alt_mac_addr_offset + (i >> 1); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
267 |
ret_val = hw->nvm.ops.read(hw, offset, 1, &nvm_data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
268 |
if (ret_val) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
269 |
hw_dbg("NVM Read Error\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
270 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
271 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
272 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
273 |
alt_mac_addr[i] = (u8)(nvm_data & 0xFF); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
274 |
alt_mac_addr[i + 1] = (u8)(nvm_data >> 8); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
275 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
276 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
277 |
/* if multicast bit is set, the alternate address will not be used */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
278 |
if (is_multicast_ether_addr(alt_mac_addr)) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
279 |
hw_dbg("Ignoring Alternate Mac Address with MC bit set\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
280 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
281 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
282 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
283 |
/* We have a valid alternate MAC address, and we want to treat it the |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
284 |
* same as the normal permanent MAC address stored by the HW into the |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
285 |
* RAR. Do this by mapping this address into RAR0. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
286 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
287 |
hw->mac.ops.rar_set(hw, alt_mac_addr, 0); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
288 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
289 |
out: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
290 |
return ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
291 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
292 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
293 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
294 |
* igb_rar_set - Set receive address register |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
295 |
* @hw: pointer to the HW structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
296 |
* @addr: pointer to the receive address |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
297 |
* @index: receive address array register |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
298 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
299 |
* Sets the receive address array register at index to the address passed |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
300 |
* in by addr. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
301 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
302 |
void igb_rar_set(struct e1000_hw *hw, u8 *addr, u32 index) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
303 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
304 |
u32 rar_low, rar_high; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
305 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
306 |
/* HW expects these in little endian so we reverse the byte order |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
307 |
* from network order (big endian) to little endian |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
308 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
309 |
rar_low = ((u32) addr[0] | |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
310 |
((u32) addr[1] << 8) | |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
311 |
((u32) addr[2] << 16) | ((u32) addr[3] << 24)); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
312 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
313 |
rar_high = ((u32) addr[4] | ((u32) addr[5] << 8)); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
314 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
315 |
/* If MAC address zero, no need to set the AV bit */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
316 |
if (rar_low || rar_high) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
317 |
rar_high |= E1000_RAH_AV; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
318 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
319 |
/* Some bridges will combine consecutive 32-bit writes into |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
320 |
* a single burst write, which will malfunction on some parts. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
321 |
* The flushes avoid this. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
322 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
323 |
wr32(E1000_RAL(index), rar_low); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
324 |
wrfl(); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
325 |
wr32(E1000_RAH(index), rar_high); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
326 |
wrfl(); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
327 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
328 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
329 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
330 |
* igb_mta_set - Set multicast filter table address |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
331 |
* @hw: pointer to the HW structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
332 |
* @hash_value: determines the MTA register and bit to set |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
333 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
334 |
* The multicast table address is a register array of 32-bit registers. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
335 |
* The hash_value is used to determine what register the bit is in, the |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
336 |
* current value is read, the new bit is OR'd in and the new value is |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
337 |
* written back into the register. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
338 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
339 |
void igb_mta_set(struct e1000_hw *hw, u32 hash_value) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
340 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
341 |
u32 hash_bit, hash_reg, mta; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
342 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
343 |
/* The MTA is a register array of 32-bit registers. It is |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
344 |
* treated like an array of (32*mta_reg_count) bits. We want to |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
345 |
* set bit BitArray[hash_value]. So we figure out what register |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
346 |
* the bit is in, read it, OR in the new bit, then write |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
347 |
* back the new value. The (hw->mac.mta_reg_count - 1) serves as a |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
348 |
* mask to bits 31:5 of the hash value which gives us the |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
349 |
* register we're modifying. The hash bit within that register |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
350 |
* is determined by the lower 5 bits of the hash value. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
351 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
352 |
hash_reg = (hash_value >> 5) & (hw->mac.mta_reg_count - 1); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
353 |
hash_bit = hash_value & 0x1F; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
354 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
355 |
mta = array_rd32(E1000_MTA, hash_reg); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
356 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
357 |
mta |= (1 << hash_bit); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
358 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
359 |
array_wr32(E1000_MTA, hash_reg, mta); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
360 |
wrfl(); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
361 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
362 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
363 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
364 |
* igb_hash_mc_addr - Generate a multicast hash value |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
365 |
* @hw: pointer to the HW structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
366 |
* @mc_addr: pointer to a multicast address |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
367 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
368 |
* Generates a multicast address hash value which is used to determine |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
369 |
* the multicast filter table array address and new table value. See |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
370 |
* igb_mta_set() |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
371 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
372 |
static u32 igb_hash_mc_addr(struct e1000_hw *hw, u8 *mc_addr) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
373 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
374 |
u32 hash_value, hash_mask; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
375 |
u8 bit_shift = 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
376 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
377 |
/* Register count multiplied by bits per register */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
378 |
hash_mask = (hw->mac.mta_reg_count * 32) - 1; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
379 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
380 |
/* For a mc_filter_type of 0, bit_shift is the number of left-shifts |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
381 |
* where 0xFF would still fall within the hash mask. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
382 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
383 |
while (hash_mask >> bit_shift != 0xFF) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
384 |
bit_shift++; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
385 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
386 |
/* The portion of the address that is used for the hash table |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
387 |
* is determined by the mc_filter_type setting. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
388 |
* The algorithm is such that there is a total of 8 bits of shifting. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
389 |
* The bit_shift for a mc_filter_type of 0 represents the number of |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
390 |
* left-shifts where the MSB of mc_addr[5] would still fall within |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
391 |
* the hash_mask. Case 0 does this exactly. Since there are a total |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
392 |
* of 8 bits of shifting, then mc_addr[4] will shift right the |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
393 |
* remaining number of bits. Thus 8 - bit_shift. The rest of the |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
394 |
* cases are a variation of this algorithm...essentially raising the |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
395 |
* number of bits to shift mc_addr[5] left, while still keeping the |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
396 |
* 8-bit shifting total. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
397 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
398 |
* For example, given the following Destination MAC Address and an |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
399 |
* mta register count of 128 (thus a 4096-bit vector and 0xFFF mask), |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
400 |
* we can see that the bit_shift for case 0 is 4. These are the hash |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
401 |
* values resulting from each mc_filter_type... |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
402 |
* [0] [1] [2] [3] [4] [5] |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
403 |
* 01 AA 00 12 34 56 |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
404 |
* LSB MSB |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
405 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
406 |
* case 0: hash_value = ((0x34 >> 4) | (0x56 << 4)) & 0xFFF = 0x563 |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
407 |
* case 1: hash_value = ((0x34 >> 3) | (0x56 << 5)) & 0xFFF = 0xAC6 |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
408 |
* case 2: hash_value = ((0x34 >> 2) | (0x56 << 6)) & 0xFFF = 0x163 |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
409 |
* case 3: hash_value = ((0x34 >> 0) | (0x56 << 8)) & 0xFFF = 0x634 |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
410 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
411 |
switch (hw->mac.mc_filter_type) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
412 |
default: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
413 |
case 0: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
414 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
415 |
case 1: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
416 |
bit_shift += 1; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
417 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
418 |
case 2: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
419 |
bit_shift += 2; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
420 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
421 |
case 3: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
422 |
bit_shift += 4; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
423 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
424 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
425 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
426 |
hash_value = hash_mask & (((mc_addr[4] >> (8 - bit_shift)) | |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
427 |
(((u16) mc_addr[5]) << bit_shift))); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
428 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
429 |
return hash_value; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
430 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
431 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
432 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
433 |
* igb_update_mc_addr_list - Update Multicast addresses |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
434 |
* @hw: pointer to the HW structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
435 |
* @mc_addr_list: array of multicast addresses to program |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
436 |
* @mc_addr_count: number of multicast addresses to program |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
437 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
438 |
* Updates entire Multicast Table Array. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
439 |
* The caller must have a packed mc_addr_list of multicast addresses. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
440 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
441 |
void igb_update_mc_addr_list(struct e1000_hw *hw, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
442 |
u8 *mc_addr_list, u32 mc_addr_count) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
443 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
444 |
u32 hash_value, hash_bit, hash_reg; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
445 |
int i; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
446 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
447 |
/* clear mta_shadow */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
448 |
memset(&hw->mac.mta_shadow, 0, sizeof(hw->mac.mta_shadow)); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
449 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
450 |
/* update mta_shadow from mc_addr_list */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
451 |
for (i = 0; (u32) i < mc_addr_count; i++) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
452 |
hash_value = igb_hash_mc_addr(hw, mc_addr_list); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
453 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
454 |
hash_reg = (hash_value >> 5) & (hw->mac.mta_reg_count - 1); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
455 |
hash_bit = hash_value & 0x1F; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
456 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
457 |
hw->mac.mta_shadow[hash_reg] |= (1 << hash_bit); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
458 |
mc_addr_list += (ETH_ALEN); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
459 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
460 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
461 |
/* replace the entire MTA table */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
462 |
for (i = hw->mac.mta_reg_count - 1; i >= 0; i--) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
463 |
array_wr32(E1000_MTA, i, hw->mac.mta_shadow[i]); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
464 |
wrfl(); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
465 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
466 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
467 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
468 |
* igb_clear_hw_cntrs_base - Clear base hardware counters |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
469 |
* @hw: pointer to the HW structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
470 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
471 |
* Clears the base hardware counters by reading the counter registers. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
472 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
473 |
void igb_clear_hw_cntrs_base(struct e1000_hw *hw) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
474 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
475 |
rd32(E1000_CRCERRS); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
476 |
rd32(E1000_SYMERRS); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
477 |
rd32(E1000_MPC); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
478 |
rd32(E1000_SCC); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
479 |
rd32(E1000_ECOL); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
480 |
rd32(E1000_MCC); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
481 |
rd32(E1000_LATECOL); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
482 |
rd32(E1000_COLC); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
483 |
rd32(E1000_DC); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
484 |
rd32(E1000_SEC); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
485 |
rd32(E1000_RLEC); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
486 |
rd32(E1000_XONRXC); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
487 |
rd32(E1000_XONTXC); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
488 |
rd32(E1000_XOFFRXC); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
489 |
rd32(E1000_XOFFTXC); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
490 |
rd32(E1000_FCRUC); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
491 |
rd32(E1000_GPRC); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
492 |
rd32(E1000_BPRC); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
493 |
rd32(E1000_MPRC); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
494 |
rd32(E1000_GPTC); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
495 |
rd32(E1000_GORCL); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
496 |
rd32(E1000_GORCH); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
497 |
rd32(E1000_GOTCL); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
498 |
rd32(E1000_GOTCH); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
499 |
rd32(E1000_RNBC); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
500 |
rd32(E1000_RUC); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
501 |
rd32(E1000_RFC); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
502 |
rd32(E1000_ROC); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
503 |
rd32(E1000_RJC); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
504 |
rd32(E1000_TORL); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
505 |
rd32(E1000_TORH); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
506 |
rd32(E1000_TOTL); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
507 |
rd32(E1000_TOTH); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
508 |
rd32(E1000_TPR); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
509 |
rd32(E1000_TPT); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
510 |
rd32(E1000_MPTC); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
511 |
rd32(E1000_BPTC); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
512 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
513 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
514 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
515 |
* igb_check_for_copper_link - Check for link (Copper) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
516 |
* @hw: pointer to the HW structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
517 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
518 |
* Checks to see of the link status of the hardware has changed. If a |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
519 |
* change in link status has been detected, then we read the PHY registers |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
520 |
* to get the current speed/duplex if link exists. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
521 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
522 |
s32 igb_check_for_copper_link(struct e1000_hw *hw) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
523 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
524 |
struct e1000_mac_info *mac = &hw->mac; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
525 |
s32 ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
526 |
bool link; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
527 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
528 |
/* We only want to go out to the PHY registers to see if Auto-Neg |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
529 |
* has completed and/or if our link status has changed. The |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
530 |
* get_link_status flag is set upon receiving a Link Status |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
531 |
* Change or Rx Sequence Error interrupt. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
532 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
533 |
if (!mac->get_link_status) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
534 |
ret_val = 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
535 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
536 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
537 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
538 |
/* First we want to see if the MII Status Register reports |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
539 |
* link. If so, then we want to get the current speed/duplex |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
540 |
* of the PHY. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
541 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
542 |
ret_val = igb_phy_has_link(hw, 1, 0, &link); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
543 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
544 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
545 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
546 |
if (!link) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
547 |
goto out; /* No link detected */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
548 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
549 |
mac->get_link_status = false; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
550 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
551 |
/* Check if there was DownShift, must be checked |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
552 |
* immediately after link-up |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
553 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
554 |
igb_check_downshift(hw); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
555 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
556 |
/* If we are forcing speed/duplex, then we simply return since |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
557 |
* we have already determined whether we have link or not. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
558 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
559 |
if (!mac->autoneg) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
560 |
ret_val = -E1000_ERR_CONFIG; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
561 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
562 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
563 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
564 |
/* Auto-Neg is enabled. Auto Speed Detection takes care |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
565 |
* of MAC speed/duplex configuration. So we only need to |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
566 |
* configure Collision Distance in the MAC. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
567 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
568 |
igb_config_collision_dist(hw); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
569 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
570 |
/* Configure Flow Control now that Auto-Neg has completed. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
571 |
* First, we need to restore the desired flow control |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
572 |
* settings because we may have had to re-autoneg with a |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
573 |
* different link partner. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
574 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
575 |
ret_val = igb_config_fc_after_link_up(hw); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
576 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
577 |
hw_dbg("Error configuring flow control\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
578 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
579 |
out: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
580 |
return ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
581 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
582 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
583 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
584 |
* igb_setup_link - Setup flow control and link settings |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
585 |
* @hw: pointer to the HW structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
586 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
587 |
* Determines which flow control settings to use, then configures flow |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
588 |
* control. Calls the appropriate media-specific link configuration |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
589 |
* function. Assuming the adapter has a valid link partner, a valid link |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
590 |
* should be established. Assumes the hardware has previously been reset |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
591 |
* and the transmitter and receiver are not enabled. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
592 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
593 |
s32 igb_setup_link(struct e1000_hw *hw) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
594 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
595 |
s32 ret_val = 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
596 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
597 |
/* In the case of the phy reset being blocked, we already have a link. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
598 |
* We do not need to set it up again. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
599 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
600 |
if (igb_check_reset_block(hw)) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
601 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
602 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
603 |
/* If requested flow control is set to default, set flow control |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
604 |
* based on the EEPROM flow control settings. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
605 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
606 |
if (hw->fc.requested_mode == e1000_fc_default) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
607 |
ret_val = igb_set_default_fc(hw); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
608 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
609 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
610 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
611 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
612 |
/* We want to save off the original Flow Control configuration just |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
613 |
* in case we get disconnected and then reconnected into a different |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
614 |
* hub or switch with different Flow Control capabilities. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
615 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
616 |
hw->fc.current_mode = hw->fc.requested_mode; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
617 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
618 |
hw_dbg("After fix-ups FlowControl is now = %x\n", hw->fc.current_mode); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
619 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
620 |
/* Call the necessary media_type subroutine to configure the link. */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
621 |
ret_val = hw->mac.ops.setup_physical_interface(hw); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
622 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
623 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
624 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
625 |
/* Initialize the flow control address, type, and PAUSE timer |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
626 |
* registers to their default values. This is done even if flow |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
627 |
* control is disabled, because it does not hurt anything to |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
628 |
* initialize these registers. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
629 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
630 |
hw_dbg("Initializing the Flow Control address, type and timer regs\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
631 |
wr32(E1000_FCT, FLOW_CONTROL_TYPE); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
632 |
wr32(E1000_FCAH, FLOW_CONTROL_ADDRESS_HIGH); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
633 |
wr32(E1000_FCAL, FLOW_CONTROL_ADDRESS_LOW); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
634 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
635 |
wr32(E1000_FCTTV, hw->fc.pause_time); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
636 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
637 |
ret_val = igb_set_fc_watermarks(hw); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
638 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
639 |
out: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
640 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
641 |
return ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
642 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
643 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
644 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
645 |
* igb_config_collision_dist - Configure collision distance |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
646 |
* @hw: pointer to the HW structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
647 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
648 |
* Configures the collision distance to the default value and is used |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
649 |
* during link setup. Currently no func pointer exists and all |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
650 |
* implementations are handled in the generic version of this function. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
651 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
652 |
void igb_config_collision_dist(struct e1000_hw *hw) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
653 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
654 |
u32 tctl; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
655 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
656 |
tctl = rd32(E1000_TCTL); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
657 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
658 |
tctl &= ~E1000_TCTL_COLD; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
659 |
tctl |= E1000_COLLISION_DISTANCE << E1000_COLD_SHIFT; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
660 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
661 |
wr32(E1000_TCTL, tctl); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
662 |
wrfl(); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
663 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
664 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
665 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
666 |
* igb_set_fc_watermarks - Set flow control high/low watermarks |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
667 |
* @hw: pointer to the HW structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
668 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
669 |
* Sets the flow control high/low threshold (watermark) registers. If |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
670 |
* flow control XON frame transmission is enabled, then set XON frame |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
671 |
* tansmission as well. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
672 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
673 |
static s32 igb_set_fc_watermarks(struct e1000_hw *hw) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
674 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
675 |
s32 ret_val = 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
676 |
u32 fcrtl = 0, fcrth = 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
677 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
678 |
/* Set the flow control receive threshold registers. Normally, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
679 |
* these registers will be set to a default threshold that may be |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
680 |
* adjusted later by the driver's runtime code. However, if the |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
681 |
* ability to transmit pause frames is not enabled, then these |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
682 |
* registers will be set to 0. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
683 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
684 |
if (hw->fc.current_mode & e1000_fc_tx_pause) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
685 |
/* We need to set up the Receive Threshold high and low water |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
686 |
* marks as well as (optionally) enabling the transmission of |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
687 |
* XON frames. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
688 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
689 |
fcrtl = hw->fc.low_water; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
690 |
if (hw->fc.send_xon) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
691 |
fcrtl |= E1000_FCRTL_XONE; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
692 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
693 |
fcrth = hw->fc.high_water; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
694 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
695 |
wr32(E1000_FCRTL, fcrtl); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
696 |
wr32(E1000_FCRTH, fcrth); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
697 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
698 |
return ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
699 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
700 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
701 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
702 |
* igb_set_default_fc - Set flow control default values |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
703 |
* @hw: pointer to the HW structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
704 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
705 |
* Read the EEPROM for the default values for flow control and store the |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
706 |
* values. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
707 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
708 |
static s32 igb_set_default_fc(struct e1000_hw *hw) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
709 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
710 |
s32 ret_val = 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
711 |
u16 lan_offset; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
712 |
u16 nvm_data; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
713 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
714 |
/* Read and store word 0x0F of the EEPROM. This word contains bits |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
715 |
* that determine the hardware's default PAUSE (flow control) mode, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
716 |
* a bit that determines whether the HW defaults to enabling or |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
717 |
* disabling auto-negotiation, and the direction of the |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
718 |
* SW defined pins. If there is no SW over-ride of the flow |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
719 |
* control setting, then the variable hw->fc will |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
720 |
* be initialized based on a value in the EEPROM. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
721 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
722 |
if (hw->mac.type == e1000_i350) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
723 |
lan_offset = NVM_82580_LAN_FUNC_OFFSET(hw->bus.func); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
724 |
ret_val = hw->nvm.ops.read(hw, NVM_INIT_CONTROL2_REG |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
725 |
+ lan_offset, 1, &nvm_data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
726 |
} else { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
727 |
ret_val = hw->nvm.ops.read(hw, NVM_INIT_CONTROL2_REG, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
728 |
1, &nvm_data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
729 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
730 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
731 |
if (ret_val) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
732 |
hw_dbg("NVM Read Error\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
733 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
734 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
735 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
736 |
if ((nvm_data & NVM_WORD0F_PAUSE_MASK) == 0) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
737 |
hw->fc.requested_mode = e1000_fc_none; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
738 |
else if ((nvm_data & NVM_WORD0F_PAUSE_MASK) == |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
739 |
NVM_WORD0F_ASM_DIR) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
740 |
hw->fc.requested_mode = e1000_fc_tx_pause; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
741 |
else |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
742 |
hw->fc.requested_mode = e1000_fc_full; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
743 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
744 |
out: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
745 |
return ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
746 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
747 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
748 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
749 |
* igb_force_mac_fc - Force the MAC's flow control settings |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
750 |
* @hw: pointer to the HW structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
751 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
752 |
* Force the MAC's flow control settings. Sets the TFCE and RFCE bits in the |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
753 |
* device control register to reflect the adapter settings. TFCE and RFCE |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
754 |
* need to be explicitly set by software when a copper PHY is used because |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
755 |
* autonegotiation is managed by the PHY rather than the MAC. Software must |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
756 |
* also configure these bits when link is forced on a fiber connection. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
757 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
758 |
s32 igb_force_mac_fc(struct e1000_hw *hw) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
759 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
760 |
u32 ctrl; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
761 |
s32 ret_val = 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
762 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
763 |
ctrl = rd32(E1000_CTRL); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
764 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
765 |
/* Because we didn't get link via the internal auto-negotiation |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
766 |
* mechanism (we either forced link or we got link via PHY |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
767 |
* auto-neg), we have to manually enable/disable transmit an |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
768 |
* receive flow control. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
769 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
770 |
* The "Case" statement below enables/disable flow control |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
771 |
* according to the "hw->fc.current_mode" parameter. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
772 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
773 |
* The possible values of the "fc" parameter are: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
774 |
* 0: Flow control is completely disabled |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
775 |
* 1: Rx flow control is enabled (we can receive pause |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
776 |
* frames but not send pause frames). |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
777 |
* 2: Tx flow control is enabled (we can send pause frames |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
778 |
* frames but we do not receive pause frames). |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
779 |
* 3: Both Rx and TX flow control (symmetric) is enabled. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
780 |
* other: No other values should be possible at this point. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
781 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
782 |
hw_dbg("hw->fc.current_mode = %u\n", hw->fc.current_mode); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
783 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
784 |
switch (hw->fc.current_mode) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
785 |
case e1000_fc_none: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
786 |
ctrl &= (~(E1000_CTRL_TFCE | E1000_CTRL_RFCE)); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
787 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
788 |
case e1000_fc_rx_pause: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
789 |
ctrl &= (~E1000_CTRL_TFCE); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
790 |
ctrl |= E1000_CTRL_RFCE; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
791 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
792 |
case e1000_fc_tx_pause: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
793 |
ctrl &= (~E1000_CTRL_RFCE); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
794 |
ctrl |= E1000_CTRL_TFCE; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
795 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
796 |
case e1000_fc_full: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
797 |
ctrl |= (E1000_CTRL_TFCE | E1000_CTRL_RFCE); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
798 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
799 |
default: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
800 |
hw_dbg("Flow control param set incorrectly\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
801 |
ret_val = -E1000_ERR_CONFIG; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
802 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
803 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
804 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
805 |
wr32(E1000_CTRL, ctrl); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
806 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
807 |
out: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
808 |
return ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
809 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
810 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
811 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
812 |
* igb_config_fc_after_link_up - Configures flow control after link |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
813 |
* @hw: pointer to the HW structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
814 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
815 |
* Checks the status of auto-negotiation after link up to ensure that the |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
816 |
* speed and duplex were not forced. If the link needed to be forced, then |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
817 |
* flow control needs to be forced also. If auto-negotiation is enabled |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
818 |
* and did not fail, then we configure flow control based on our link |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
819 |
* partner. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
820 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
821 |
s32 igb_config_fc_after_link_up(struct e1000_hw *hw) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
822 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
823 |
struct e1000_mac_info *mac = &hw->mac; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
824 |
s32 ret_val = 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
825 |
u32 pcs_status_reg, pcs_adv_reg, pcs_lp_ability_reg, pcs_ctrl_reg; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
826 |
u16 mii_status_reg, mii_nway_adv_reg, mii_nway_lp_ability_reg; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
827 |
u16 speed, duplex; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
828 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
829 |
/* Check for the case where we have fiber media and auto-neg failed |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
830 |
* so we had to force link. In this case, we need to force the |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
831 |
* configuration of the MAC to match the "fc" parameter. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
832 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
833 |
if (mac->autoneg_failed) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
834 |
if (hw->phy.media_type == e1000_media_type_internal_serdes) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
835 |
ret_val = igb_force_mac_fc(hw); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
836 |
} else { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
837 |
if (hw->phy.media_type == e1000_media_type_copper) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
838 |
ret_val = igb_force_mac_fc(hw); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
839 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
840 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
841 |
if (ret_val) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
842 |
hw_dbg("Error forcing flow control settings\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
843 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
844 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
845 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
846 |
/* Check for the case where we have copper media and auto-neg is |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
847 |
* enabled. In this case, we need to check and see if Auto-Neg |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
848 |
* has completed, and if so, how the PHY and link partner has |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
849 |
* flow control configured. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
850 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
851 |
if ((hw->phy.media_type == e1000_media_type_copper) && mac->autoneg) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
852 |
/* Read the MII Status Register and check to see if AutoNeg |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
853 |
* has completed. We read this twice because this reg has |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
854 |
* some "sticky" (latched) bits. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
855 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
856 |
ret_val = hw->phy.ops.read_reg(hw, PHY_STATUS, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
857 |
&mii_status_reg); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
858 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
859 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
860 |
ret_val = hw->phy.ops.read_reg(hw, PHY_STATUS, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
861 |
&mii_status_reg); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
862 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
863 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
864 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
865 |
if (!(mii_status_reg & MII_SR_AUTONEG_COMPLETE)) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
866 |
hw_dbg("Copper PHY and Auto Neg has not completed.\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
867 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
868 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
869 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
870 |
/* The AutoNeg process has completed, so we now need to |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
871 |
* read both the Auto Negotiation Advertisement |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
872 |
* Register (Address 4) and the Auto_Negotiation Base |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
873 |
* Page Ability Register (Address 5) to determine how |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
874 |
* flow control was negotiated. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
875 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
876 |
ret_val = hw->phy.ops.read_reg(hw, PHY_AUTONEG_ADV, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
877 |
&mii_nway_adv_reg); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
878 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
879 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
880 |
ret_val = hw->phy.ops.read_reg(hw, PHY_LP_ABILITY, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
881 |
&mii_nway_lp_ability_reg); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
882 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
883 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
884 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
885 |
/* Two bits in the Auto Negotiation Advertisement Register |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
886 |
* (Address 4) and two bits in the Auto Negotiation Base |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
887 |
* Page Ability Register (Address 5) determine flow control |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
888 |
* for both the PHY and the link partner. The following |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
889 |
* table, taken out of the IEEE 802.3ab/D6.0 dated March 25, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
890 |
* 1999, describes these PAUSE resolution bits and how flow |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
891 |
* control is determined based upon these settings. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
892 |
* NOTE: DC = Don't Care |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
893 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
894 |
* LOCAL DEVICE | LINK PARTNER |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
895 |
* PAUSE | ASM_DIR | PAUSE | ASM_DIR | NIC Resolution |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
896 |
*-------|---------|-------|---------|-------------------- |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
897 |
* 0 | 0 | DC | DC | e1000_fc_none |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
898 |
* 0 | 1 | 0 | DC | e1000_fc_none |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
899 |
* 0 | 1 | 1 | 0 | e1000_fc_none |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
900 |
* 0 | 1 | 1 | 1 | e1000_fc_tx_pause |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
901 |
* 1 | 0 | 0 | DC | e1000_fc_none |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
902 |
* 1 | DC | 1 | DC | e1000_fc_full |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
903 |
* 1 | 1 | 0 | 0 | e1000_fc_none |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
904 |
* 1 | 1 | 0 | 1 | e1000_fc_rx_pause |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
905 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
906 |
* Are both PAUSE bits set to 1? If so, this implies |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
907 |
* Symmetric Flow Control is enabled at both ends. The |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
908 |
* ASM_DIR bits are irrelevant per the spec. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
909 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
910 |
* For Symmetric Flow Control: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
911 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
912 |
* LOCAL DEVICE | LINK PARTNER |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
913 |
* PAUSE | ASM_DIR | PAUSE | ASM_DIR | Result |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
914 |
*-------|---------|-------|---------|-------------------- |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
915 |
* 1 | DC | 1 | DC | E1000_fc_full |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
916 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
917 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
918 |
if ((mii_nway_adv_reg & NWAY_AR_PAUSE) && |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
919 |
(mii_nway_lp_ability_reg & NWAY_LPAR_PAUSE)) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
920 |
/* Now we need to check if the user selected RX ONLY |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
921 |
* of pause frames. In this case, we had to advertise |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
922 |
* FULL flow control because we could not advertise RX |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
923 |
* ONLY. Hence, we must now check to see if we need to |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
924 |
* turn OFF the TRANSMISSION of PAUSE frames. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
925 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
926 |
if (hw->fc.requested_mode == e1000_fc_full) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
927 |
hw->fc.current_mode = e1000_fc_full; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
928 |
hw_dbg("Flow Control = FULL.\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
929 |
} else { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
930 |
hw->fc.current_mode = e1000_fc_rx_pause; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
931 |
hw_dbg("Flow Control = RX PAUSE frames only.\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
932 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
933 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
934 |
/* For receiving PAUSE frames ONLY. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
935 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
936 |
* LOCAL DEVICE | LINK PARTNER |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
937 |
* PAUSE | ASM_DIR | PAUSE | ASM_DIR | Result |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
938 |
*-------|---------|-------|---------|-------------------- |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
939 |
* 0 | 1 | 1 | 1 | e1000_fc_tx_pause |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
940 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
941 |
else if (!(mii_nway_adv_reg & NWAY_AR_PAUSE) && |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
942 |
(mii_nway_adv_reg & NWAY_AR_ASM_DIR) && |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
943 |
(mii_nway_lp_ability_reg & NWAY_LPAR_PAUSE) && |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
944 |
(mii_nway_lp_ability_reg & NWAY_LPAR_ASM_DIR)) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
945 |
hw->fc.current_mode = e1000_fc_tx_pause; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
946 |
hw_dbg("Flow Control = TX PAUSE frames only.\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
947 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
948 |
/* For transmitting PAUSE frames ONLY. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
949 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
950 |
* LOCAL DEVICE | LINK PARTNER |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
951 |
* PAUSE | ASM_DIR | PAUSE | ASM_DIR | Result |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
952 |
*-------|---------|-------|---------|-------------------- |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
953 |
* 1 | 1 | 0 | 1 | e1000_fc_rx_pause |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
954 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
955 |
else if ((mii_nway_adv_reg & NWAY_AR_PAUSE) && |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
956 |
(mii_nway_adv_reg & NWAY_AR_ASM_DIR) && |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
957 |
!(mii_nway_lp_ability_reg & NWAY_LPAR_PAUSE) && |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
958 |
(mii_nway_lp_ability_reg & NWAY_LPAR_ASM_DIR)) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
959 |
hw->fc.current_mode = e1000_fc_rx_pause; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
960 |
hw_dbg("Flow Control = RX PAUSE frames only.\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
961 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
962 |
/* Per the IEEE spec, at this point flow control should be |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
963 |
* disabled. However, we want to consider that we could |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
964 |
* be connected to a legacy switch that doesn't advertise |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
965 |
* desired flow control, but can be forced on the link |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
966 |
* partner. So if we advertised no flow control, that is |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
967 |
* what we will resolve to. If we advertised some kind of |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
968 |
* receive capability (Rx Pause Only or Full Flow Control) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
969 |
* and the link partner advertised none, we will configure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
970 |
* ourselves to enable Rx Flow Control only. We can do |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
971 |
* this safely for two reasons: If the link partner really |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
972 |
* didn't want flow control enabled, and we enable Rx, no |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
973 |
* harm done since we won't be receiving any PAUSE frames |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
974 |
* anyway. If the intent on the link partner was to have |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
975 |
* flow control enabled, then by us enabling RX only, we |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
976 |
* can at least receive pause frames and process them. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
977 |
* This is a good idea because in most cases, since we are |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
978 |
* predominantly a server NIC, more times than not we will |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
979 |
* be asked to delay transmission of packets than asking |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
980 |
* our link partner to pause transmission of frames. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
981 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
982 |
else if ((hw->fc.requested_mode == e1000_fc_none) || |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
983 |
(hw->fc.requested_mode == e1000_fc_tx_pause) || |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
984 |
(hw->fc.strict_ieee)) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
985 |
hw->fc.current_mode = e1000_fc_none; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
986 |
hw_dbg("Flow Control = NONE.\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
987 |
} else { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
988 |
hw->fc.current_mode = e1000_fc_rx_pause; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
989 |
hw_dbg("Flow Control = RX PAUSE frames only.\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
990 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
991 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
992 |
/* Now we need to do one last check... If we auto- |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
993 |
* negotiated to HALF DUPLEX, flow control should not be |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
994 |
* enabled per IEEE 802.3 spec. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
995 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
996 |
ret_val = hw->mac.ops.get_speed_and_duplex(hw, &speed, &duplex); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
997 |
if (ret_val) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
998 |
hw_dbg("Error getting link speed and duplex\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
999 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1000 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1001 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1002 |
if (duplex == HALF_DUPLEX) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1003 |
hw->fc.current_mode = e1000_fc_none; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1004 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1005 |
/* Now we call a subroutine to actually force the MAC |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1006 |
* controller to use the correct flow control settings. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1007 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1008 |
ret_val = igb_force_mac_fc(hw); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1009 |
if (ret_val) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1010 |
hw_dbg("Error forcing flow control settings\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1011 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1012 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1013 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1014 |
/* Check for the case where we have SerDes media and auto-neg is |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1015 |
* enabled. In this case, we need to check and see if Auto-Neg |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1016 |
* has completed, and if so, how the PHY and link partner has |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1017 |
* flow control configured. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1018 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1019 |
if ((hw->phy.media_type == e1000_media_type_internal_serdes) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1020 |
&& mac->autoneg) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1021 |
/* Read the PCS_LSTS and check to see if AutoNeg |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1022 |
* has completed. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1023 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1024 |
pcs_status_reg = rd32(E1000_PCS_LSTAT); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1025 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1026 |
if (!(pcs_status_reg & E1000_PCS_LSTS_AN_COMPLETE)) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1027 |
hw_dbg("PCS Auto Neg has not completed.\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1028 |
return ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1029 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1030 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1031 |
/* The AutoNeg process has completed, so we now need to |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1032 |
* read both the Auto Negotiation Advertisement |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1033 |
* Register (PCS_ANADV) and the Auto_Negotiation Base |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1034 |
* Page Ability Register (PCS_LPAB) to determine how |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1035 |
* flow control was negotiated. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1036 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1037 |
pcs_adv_reg = rd32(E1000_PCS_ANADV); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1038 |
pcs_lp_ability_reg = rd32(E1000_PCS_LPAB); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1039 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1040 |
/* Two bits in the Auto Negotiation Advertisement Register |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1041 |
* (PCS_ANADV) and two bits in the Auto Negotiation Base |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1042 |
* Page Ability Register (PCS_LPAB) determine flow control |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1043 |
* for both the PHY and the link partner. The following |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1044 |
* table, taken out of the IEEE 802.3ab/D6.0 dated March 25, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1045 |
* 1999, describes these PAUSE resolution bits and how flow |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1046 |
* control is determined based upon these settings. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1047 |
* NOTE: DC = Don't Care |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1048 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1049 |
* LOCAL DEVICE | LINK PARTNER |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1050 |
* PAUSE | ASM_DIR | PAUSE | ASM_DIR | NIC Resolution |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1051 |
*-------|---------|-------|---------|-------------------- |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1052 |
* 0 | 0 | DC | DC | e1000_fc_none |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1053 |
* 0 | 1 | 0 | DC | e1000_fc_none |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1054 |
* 0 | 1 | 1 | 0 | e1000_fc_none |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1055 |
* 0 | 1 | 1 | 1 | e1000_fc_tx_pause |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1056 |
* 1 | 0 | 0 | DC | e1000_fc_none |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1057 |
* 1 | DC | 1 | DC | e1000_fc_full |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1058 |
* 1 | 1 | 0 | 0 | e1000_fc_none |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1059 |
* 1 | 1 | 0 | 1 | e1000_fc_rx_pause |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1060 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1061 |
* Are both PAUSE bits set to 1? If so, this implies |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1062 |
* Symmetric Flow Control is enabled at both ends. The |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1063 |
* ASM_DIR bits are irrelevant per the spec. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1064 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1065 |
* For Symmetric Flow Control: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1066 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1067 |
* LOCAL DEVICE | LINK PARTNER |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1068 |
* PAUSE | ASM_DIR | PAUSE | ASM_DIR | Result |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1069 |
*-------|---------|-------|---------|-------------------- |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1070 |
* 1 | DC | 1 | DC | e1000_fc_full |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1071 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1072 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1073 |
if ((pcs_adv_reg & E1000_TXCW_PAUSE) && |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1074 |
(pcs_lp_ability_reg & E1000_TXCW_PAUSE)) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1075 |
/* Now we need to check if the user selected Rx ONLY |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1076 |
* of pause frames. In this case, we had to advertise |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1077 |
* FULL flow control because we could not advertise Rx |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1078 |
* ONLY. Hence, we must now check to see if we need to |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1079 |
* turn OFF the TRANSMISSION of PAUSE frames. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1080 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1081 |
if (hw->fc.requested_mode == e1000_fc_full) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1082 |
hw->fc.current_mode = e1000_fc_full; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1083 |
hw_dbg("Flow Control = FULL.\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1084 |
} else { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1085 |
hw->fc.current_mode = e1000_fc_rx_pause; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1086 |
hw_dbg("Flow Control = Rx PAUSE frames only.\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1087 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1088 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1089 |
/* For receiving PAUSE frames ONLY. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1090 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1091 |
* LOCAL DEVICE | LINK PARTNER |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1092 |
* PAUSE | ASM_DIR | PAUSE | ASM_DIR | Result |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1093 |
*-------|---------|-------|---------|-------------------- |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1094 |
* 0 | 1 | 1 | 1 | e1000_fc_tx_pause |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1095 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1096 |
else if (!(pcs_adv_reg & E1000_TXCW_PAUSE) && |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1097 |
(pcs_adv_reg & E1000_TXCW_ASM_DIR) && |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1098 |
(pcs_lp_ability_reg & E1000_TXCW_PAUSE) && |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1099 |
(pcs_lp_ability_reg & E1000_TXCW_ASM_DIR)) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1100 |
hw->fc.current_mode = e1000_fc_tx_pause; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1101 |
hw_dbg("Flow Control = Tx PAUSE frames only.\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1102 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1103 |
/* For transmitting PAUSE frames ONLY. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1104 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1105 |
* LOCAL DEVICE | LINK PARTNER |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1106 |
* PAUSE | ASM_DIR | PAUSE | ASM_DIR | Result |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1107 |
*-------|---------|-------|---------|-------------------- |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1108 |
* 1 | 1 | 0 | 1 | e1000_fc_rx_pause |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1109 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1110 |
else if ((pcs_adv_reg & E1000_TXCW_PAUSE) && |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1111 |
(pcs_adv_reg & E1000_TXCW_ASM_DIR) && |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1112 |
!(pcs_lp_ability_reg & E1000_TXCW_PAUSE) && |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1113 |
(pcs_lp_ability_reg & E1000_TXCW_ASM_DIR)) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1114 |
hw->fc.current_mode = e1000_fc_rx_pause; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1115 |
hw_dbg("Flow Control = Rx PAUSE frames only.\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1116 |
} else { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1117 |
/* Per the IEEE spec, at this point flow control |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1118 |
* should be disabled. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1119 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1120 |
hw->fc.current_mode = e1000_fc_none; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1121 |
hw_dbg("Flow Control = NONE.\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1122 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1123 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1124 |
/* Now we call a subroutine to actually force the MAC |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1125 |
* controller to use the correct flow control settings. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1126 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1127 |
pcs_ctrl_reg = rd32(E1000_PCS_LCTL); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1128 |
pcs_ctrl_reg |= E1000_PCS_LCTL_FORCE_FCTRL; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1129 |
wr32(E1000_PCS_LCTL, pcs_ctrl_reg); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1130 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1131 |
ret_val = igb_force_mac_fc(hw); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1132 |
if (ret_val) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1133 |
hw_dbg("Error forcing flow control settings\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1134 |
return ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1135 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1136 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1137 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1138 |
out: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1139 |
return ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1140 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1141 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1142 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1143 |
* igb_get_speed_and_duplex_copper - Retrieve current speed/duplex |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1144 |
* @hw: pointer to the HW structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1145 |
* @speed: stores the current speed |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1146 |
* @duplex: stores the current duplex |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1147 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1148 |
* Read the status register for the current speed/duplex and store the current |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1149 |
* speed and duplex for copper connections. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1150 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1151 |
s32 igb_get_speed_and_duplex_copper(struct e1000_hw *hw, u16 *speed, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1152 |
u16 *duplex) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1153 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1154 |
u32 status; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1155 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1156 |
status = rd32(E1000_STATUS); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1157 |
if (status & E1000_STATUS_SPEED_1000) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1158 |
*speed = SPEED_1000; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1159 |
hw_dbg("1000 Mbs, "); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1160 |
} else if (status & E1000_STATUS_SPEED_100) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1161 |
*speed = SPEED_100; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1162 |
hw_dbg("100 Mbs, "); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1163 |
} else { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1164 |
*speed = SPEED_10; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1165 |
hw_dbg("10 Mbs, "); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1166 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1167 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1168 |
if (status & E1000_STATUS_FD) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1169 |
*duplex = FULL_DUPLEX; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1170 |
hw_dbg("Full Duplex\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1171 |
} else { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1172 |
*duplex = HALF_DUPLEX; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1173 |
hw_dbg("Half Duplex\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1174 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1175 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1176 |
return 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1177 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1178 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1179 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1180 |
* igb_get_hw_semaphore - Acquire hardware semaphore |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1181 |
* @hw: pointer to the HW structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1182 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1183 |
* Acquire the HW semaphore to access the PHY or NVM |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1184 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1185 |
s32 igb_get_hw_semaphore(struct e1000_hw *hw) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1186 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1187 |
u32 swsm; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1188 |
s32 ret_val = 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1189 |
s32 timeout = hw->nvm.word_size + 1; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1190 |
s32 i = 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1191 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1192 |
/* Get the SW semaphore */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1193 |
while (i < timeout) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1194 |
swsm = rd32(E1000_SWSM); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1195 |
if (!(swsm & E1000_SWSM_SMBI)) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1196 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1197 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1198 |
udelay(50); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1199 |
i++; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1200 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1201 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1202 |
if (i == timeout) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1203 |
hw_dbg("Driver can't access device - SMBI bit is set.\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1204 |
ret_val = -E1000_ERR_NVM; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1205 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1206 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1207 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1208 |
/* Get the FW semaphore. */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1209 |
for (i = 0; i < timeout; i++) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1210 |
swsm = rd32(E1000_SWSM); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1211 |
wr32(E1000_SWSM, swsm | E1000_SWSM_SWESMBI); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1212 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1213 |
/* Semaphore acquired if bit latched */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1214 |
if (rd32(E1000_SWSM) & E1000_SWSM_SWESMBI) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1215 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1216 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1217 |
udelay(50); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1218 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1219 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1220 |
if (i == timeout) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1221 |
/* Release semaphores */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1222 |
igb_put_hw_semaphore(hw); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1223 |
hw_dbg("Driver can't access the NVM\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1224 |
ret_val = -E1000_ERR_NVM; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1225 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1226 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1227 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1228 |
out: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1229 |
return ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1230 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1231 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1232 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1233 |
* igb_put_hw_semaphore - Release hardware semaphore |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1234 |
* @hw: pointer to the HW structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1235 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1236 |
* Release hardware semaphore used to access the PHY or NVM |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1237 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1238 |
void igb_put_hw_semaphore(struct e1000_hw *hw) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1239 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1240 |
u32 swsm; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1241 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1242 |
swsm = rd32(E1000_SWSM); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1243 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1244 |
swsm &= ~(E1000_SWSM_SMBI | E1000_SWSM_SWESMBI); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1245 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1246 |
wr32(E1000_SWSM, swsm); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1247 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1248 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1249 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1250 |
* igb_get_auto_rd_done - Check for auto read completion |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1251 |
* @hw: pointer to the HW structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1252 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1253 |
* Check EEPROM for Auto Read done bit. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1254 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1255 |
s32 igb_get_auto_rd_done(struct e1000_hw *hw) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1256 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1257 |
s32 i = 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1258 |
s32 ret_val = 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1259 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1260 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1261 |
while (i < AUTO_READ_DONE_TIMEOUT) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1262 |
if (rd32(E1000_EECD) & E1000_EECD_AUTO_RD) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1263 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1264 |
usleep_range(1000, 2000); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1265 |
i++; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1266 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1267 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1268 |
if (i == AUTO_READ_DONE_TIMEOUT) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1269 |
hw_dbg("Auto read by HW from NVM has not completed.\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1270 |
ret_val = -E1000_ERR_RESET; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1271 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1272 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1273 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1274 |
out: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1275 |
return ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1276 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1277 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1278 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1279 |
* igb_valid_led_default - Verify a valid default LED config |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1280 |
* @hw: pointer to the HW structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1281 |
* @data: pointer to the NVM (EEPROM) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1282 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1283 |
* Read the EEPROM for the current default LED configuration. If the |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1284 |
* LED configuration is not valid, set to a valid LED configuration. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1285 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1286 |
static s32 igb_valid_led_default(struct e1000_hw *hw, u16 *data) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1287 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1288 |
s32 ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1289 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1290 |
ret_val = hw->nvm.ops.read(hw, NVM_ID_LED_SETTINGS, 1, data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1291 |
if (ret_val) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1292 |
hw_dbg("NVM Read Error\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1293 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1294 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1295 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1296 |
if (*data == ID_LED_RESERVED_0000 || *data == ID_LED_RESERVED_FFFF) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1297 |
switch (hw->phy.media_type) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1298 |
case e1000_media_type_internal_serdes: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1299 |
*data = ID_LED_DEFAULT_82575_SERDES; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1300 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1301 |
case e1000_media_type_copper: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1302 |
default: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1303 |
*data = ID_LED_DEFAULT; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1304 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1305 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1306 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1307 |
out: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1308 |
return ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1309 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1310 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1311 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1312 |
* igb_id_led_init - |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1313 |
* @hw: pointer to the HW structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1314 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1315 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1316 |
s32 igb_id_led_init(struct e1000_hw *hw) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1317 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1318 |
struct e1000_mac_info *mac = &hw->mac; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1319 |
s32 ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1320 |
const u32 ledctl_mask = 0x000000FF; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1321 |
const u32 ledctl_on = E1000_LEDCTL_MODE_LED_ON; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1322 |
const u32 ledctl_off = E1000_LEDCTL_MODE_LED_OFF; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1323 |
u16 data, i, temp; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1324 |
const u16 led_mask = 0x0F; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1325 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1326 |
/* i210 and i211 devices have different LED mechanism */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1327 |
if ((hw->mac.type == e1000_i210) || |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1328 |
(hw->mac.type == e1000_i211)) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1329 |
ret_val = igb_valid_led_default_i210(hw, &data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1330 |
else |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1331 |
ret_val = igb_valid_led_default(hw, &data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1332 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1333 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1334 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1335 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1336 |
mac->ledctl_default = rd32(E1000_LEDCTL); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1337 |
mac->ledctl_mode1 = mac->ledctl_default; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1338 |
mac->ledctl_mode2 = mac->ledctl_default; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1339 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1340 |
for (i = 0; i < 4; i++) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1341 |
temp = (data >> (i << 2)) & led_mask; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1342 |
switch (temp) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1343 |
case ID_LED_ON1_DEF2: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1344 |
case ID_LED_ON1_ON2: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1345 |
case ID_LED_ON1_OFF2: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1346 |
mac->ledctl_mode1 &= ~(ledctl_mask << (i << 3)); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1347 |
mac->ledctl_mode1 |= ledctl_on << (i << 3); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1348 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1349 |
case ID_LED_OFF1_DEF2: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1350 |
case ID_LED_OFF1_ON2: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1351 |
case ID_LED_OFF1_OFF2: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1352 |
mac->ledctl_mode1 &= ~(ledctl_mask << (i << 3)); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1353 |
mac->ledctl_mode1 |= ledctl_off << (i << 3); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1354 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1355 |
default: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1356 |
/* Do nothing */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1357 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1358 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1359 |
switch (temp) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1360 |
case ID_LED_DEF1_ON2: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1361 |
case ID_LED_ON1_ON2: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1362 |
case ID_LED_OFF1_ON2: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1363 |
mac->ledctl_mode2 &= ~(ledctl_mask << (i << 3)); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1364 |
mac->ledctl_mode2 |= ledctl_on << (i << 3); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1365 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1366 |
case ID_LED_DEF1_OFF2: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1367 |
case ID_LED_ON1_OFF2: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1368 |
case ID_LED_OFF1_OFF2: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1369 |
mac->ledctl_mode2 &= ~(ledctl_mask << (i << 3)); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1370 |
mac->ledctl_mode2 |= ledctl_off << (i << 3); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1371 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1372 |
default: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1373 |
/* Do nothing */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1374 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1375 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1376 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1377 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1378 |
out: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1379 |
return ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1380 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1381 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1382 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1383 |
* igb_cleanup_led - Set LED config to default operation |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1384 |
* @hw: pointer to the HW structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1385 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1386 |
* Remove the current LED configuration and set the LED configuration |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1387 |
* to the default value, saved from the EEPROM. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1388 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1389 |
s32 igb_cleanup_led(struct e1000_hw *hw) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1390 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1391 |
wr32(E1000_LEDCTL, hw->mac.ledctl_default); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1392 |
return 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1393 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1394 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1395 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1396 |
* igb_blink_led - Blink LED |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1397 |
* @hw: pointer to the HW structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1398 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1399 |
* Blink the led's which are set to be on. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1400 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1401 |
s32 igb_blink_led(struct e1000_hw *hw) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1402 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1403 |
u32 ledctl_blink = 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1404 |
u32 i; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1405 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1406 |
if (hw->phy.media_type == e1000_media_type_fiber) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1407 |
/* always blink LED0 for PCI-E fiber */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1408 |
ledctl_blink = E1000_LEDCTL_LED0_BLINK | |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1409 |
(E1000_LEDCTL_MODE_LED_ON << E1000_LEDCTL_LED0_MODE_SHIFT); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1410 |
} else { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1411 |
/* Set the blink bit for each LED that's "on" (0x0E) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1412 |
* (or "off" if inverted) in ledctl_mode2. The blink |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1413 |
* logic in hardware only works when mode is set to "on" |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1414 |
* so it must be changed accordingly when the mode is |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1415 |
* "off" and inverted. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1416 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1417 |
ledctl_blink = hw->mac.ledctl_mode2; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1418 |
for (i = 0; i < 32; i += 8) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1419 |
u32 mode = (hw->mac.ledctl_mode2 >> i) & |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1420 |
E1000_LEDCTL_LED0_MODE_MASK; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1421 |
u32 led_default = hw->mac.ledctl_default >> i; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1422 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1423 |
if ((!(led_default & E1000_LEDCTL_LED0_IVRT) && |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1424 |
(mode == E1000_LEDCTL_MODE_LED_ON)) || |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1425 |
((led_default & E1000_LEDCTL_LED0_IVRT) && |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1426 |
(mode == E1000_LEDCTL_MODE_LED_OFF))) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1427 |
ledctl_blink &= |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1428 |
~(E1000_LEDCTL_LED0_MODE_MASK << i); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1429 |
ledctl_blink |= (E1000_LEDCTL_LED0_BLINK | |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1430 |
E1000_LEDCTL_MODE_LED_ON) << i; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1431 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1432 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1433 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1434 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1435 |
wr32(E1000_LEDCTL, ledctl_blink); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1436 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1437 |
return 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1438 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1439 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1440 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1441 |
* igb_led_off - Turn LED off |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1442 |
* @hw: pointer to the HW structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1443 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1444 |
* Turn LED off. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1445 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1446 |
s32 igb_led_off(struct e1000_hw *hw) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1447 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1448 |
switch (hw->phy.media_type) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1449 |
case e1000_media_type_copper: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1450 |
wr32(E1000_LEDCTL, hw->mac.ledctl_mode1); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1451 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1452 |
default: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1453 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1454 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1455 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1456 |
return 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1457 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1458 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1459 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1460 |
* igb_disable_pcie_master - Disables PCI-express master access |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1461 |
* @hw: pointer to the HW structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1462 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1463 |
* Returns 0 (0) if successful, else returns -10 |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1464 |
* (-E1000_ERR_MASTER_REQUESTS_PENDING) if master disable bit has not caused |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1465 |
* the master requests to be disabled. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1466 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1467 |
* Disables PCI-Express master access and verifies there are no pending |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1468 |
* requests. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1469 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1470 |
s32 igb_disable_pcie_master(struct e1000_hw *hw) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1471 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1472 |
u32 ctrl; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1473 |
s32 timeout = MASTER_DISABLE_TIMEOUT; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1474 |
s32 ret_val = 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1475 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1476 |
if (hw->bus.type != e1000_bus_type_pci_express) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1477 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1478 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1479 |
ctrl = rd32(E1000_CTRL); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1480 |
ctrl |= E1000_CTRL_GIO_MASTER_DISABLE; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1481 |
wr32(E1000_CTRL, ctrl); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1482 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1483 |
while (timeout) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1484 |
if (!(rd32(E1000_STATUS) & |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1485 |
E1000_STATUS_GIO_MASTER_ENABLE)) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1486 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1487 |
udelay(100); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1488 |
timeout--; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1489 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1490 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1491 |
if (!timeout) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1492 |
hw_dbg("Master requests are pending.\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1493 |
ret_val = -E1000_ERR_MASTER_REQUESTS_PENDING; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1494 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1495 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1496 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1497 |
out: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1498 |
return ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1499 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1500 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1501 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1502 |
* igb_validate_mdi_setting - Verify MDI/MDIx settings |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1503 |
* @hw: pointer to the HW structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1504 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1505 |
* Verify that when not using auto-negotitation that MDI/MDIx is correctly |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1506 |
* set, which is forced to MDI mode only. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1507 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1508 |
s32 igb_validate_mdi_setting(struct e1000_hw *hw) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1509 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1510 |
s32 ret_val = 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1511 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1512 |
/* All MDI settings are supported on 82580 and newer. */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1513 |
if (hw->mac.type >= e1000_82580) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1514 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1515 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1516 |
if (!hw->mac.autoneg && (hw->phy.mdix == 0 || hw->phy.mdix == 3)) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1517 |
hw_dbg("Invalid MDI setting detected\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1518 |
hw->phy.mdix = 1; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1519 |
ret_val = -E1000_ERR_CONFIG; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1520 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1521 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1522 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1523 |
out: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1524 |
return ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1525 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1526 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1527 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1528 |
* igb_write_8bit_ctrl_reg - Write a 8bit CTRL register |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1529 |
* @hw: pointer to the HW structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1530 |
* @reg: 32bit register offset such as E1000_SCTL |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1531 |
* @offset: register offset to write to |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1532 |
* @data: data to write at register offset |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1533 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1534 |
* Writes an address/data control type register. There are several of these |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1535 |
* and they all have the format address << 8 | data and bit 31 is polled for |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1536 |
* completion. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1537 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1538 |
s32 igb_write_8bit_ctrl_reg(struct e1000_hw *hw, u32 reg, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1539 |
u32 offset, u8 data) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1540 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1541 |
u32 i, regvalue = 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1542 |
s32 ret_val = 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1543 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1544 |
/* Set up the address and data */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1545 |
regvalue = ((u32)data) | (offset << E1000_GEN_CTL_ADDRESS_SHIFT); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1546 |
wr32(reg, regvalue); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1547 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1548 |
/* Poll the ready bit to see if the MDI read completed */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1549 |
for (i = 0; i < E1000_GEN_POLL_TIMEOUT; i++) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1550 |
udelay(5); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1551 |
regvalue = rd32(reg); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1552 |
if (regvalue & E1000_GEN_CTL_READY) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1553 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1554 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1555 |
if (!(regvalue & E1000_GEN_CTL_READY)) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1556 |
hw_dbg("Reg %08x did not indicate ready\n", reg); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1557 |
ret_val = -E1000_ERR_PHY; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1558 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1559 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1560 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1561 |
out: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1562 |
return ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1563 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1564 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1565 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1566 |
* igb_enable_mng_pass_thru - Enable processing of ARP's |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1567 |
* @hw: pointer to the HW structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1568 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1569 |
* Verifies the hardware needs to leave interface enabled so that frames can |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1570 |
* be directed to and from the management interface. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1571 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1572 |
bool igb_enable_mng_pass_thru(struct e1000_hw *hw) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1573 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1574 |
u32 manc; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1575 |
u32 fwsm, factps; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1576 |
bool ret_val = false; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1577 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1578 |
if (!hw->mac.asf_firmware_present) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1579 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1580 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1581 |
manc = rd32(E1000_MANC); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1582 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1583 |
if (!(manc & E1000_MANC_RCV_TCO_EN)) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1584 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1585 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1586 |
if (hw->mac.arc_subsystem_valid) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1587 |
fwsm = rd32(E1000_FWSM); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1588 |
factps = rd32(E1000_FACTPS); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1589 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1590 |
if (!(factps & E1000_FACTPS_MNGCG) && |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1591 |
((fwsm & E1000_FWSM_MODE_MASK) == |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1592 |
(e1000_mng_mode_pt << E1000_FWSM_MODE_SHIFT))) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1593 |
ret_val = true; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1594 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1595 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1596 |
} else { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1597 |
if ((manc & E1000_MANC_SMBUS_EN) && |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1598 |
!(manc & E1000_MANC_ASF_EN)) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1599 |
ret_val = true; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1600 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1601 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1602 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1603 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1604 |
out: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1605 |
return ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1606 |
} |