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:
diff
changeset
|
1 |
/* PTP Hardware Clock (PHC) driver for the Intel 82576 and 82580 |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
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|
3 |
* Copyright (C) 2011 Richard Cochran <richardcochran@gmail.com> |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
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|
4 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
5 |
* This program is free software; you can redistribute it and/or modify |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
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|
6 |
* it under the terms of the GNU General Public License as published by |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
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|
7 |
* the Free Software Foundation; either version 2 of the License, or |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
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|
8 |
* (at your option) any later version. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
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|
9 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
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|
10 |
* This program is distributed in the hope that it will be useful, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
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|
11 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
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|
12 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
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changeset
|
13 |
* GNU General Public License for more details. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
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|
14 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
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|
15 |
* 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).
Florian Pose <fp@igh.de>
parents:
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|
16 |
* this program; if not, see <http://www.gnu.org/licenses/>. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
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|
17 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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|
18 |
#include <linux/module.h> |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
19 |
#include <linux/device.h> |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
20 |
#include <linux/pci.h> |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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21 |
#include <linux/ptp_classify.h> |
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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parents:
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23 |
#include "igb.h" |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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24 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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|
25 |
#define INCVALUE_MASK 0x7fffffff |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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|
26 |
#define ISGN 0x80000000 |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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27 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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|
28 |
/* The 82580 timesync updates the system timer every 8ns by 8ns, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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29 |
* and this update value cannot be reprogrammed. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
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|
30 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
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|
31 |
* Neither the 82576 nor the 82580 offer registers wide enough to hold |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
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changeset
|
32 |
* nanoseconds time values for very long. For the 82580, SYSTIM always |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
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changeset
|
33 |
* counts nanoseconds, but the upper 24 bits are not availible. The |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
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changeset
|
34 |
* frequency is adjusted by changing the 32 bit fractional nanoseconds |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
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changeset
|
35 |
* register, TIMINCA. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
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|
36 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
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changeset
|
37 |
* For the 82576, the SYSTIM register time unit is affect by the |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
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changeset
|
38 |
* choice of the 24 bit TININCA:IV (incvalue) field. Five bits of this |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
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changeset
|
39 |
* field are needed to provide the nominal 16 nanosecond period, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
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changeset
|
40 |
* leaving 19 bits for fractional nanoseconds. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
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|
41 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
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|
42 |
* We scale the NIC clock cycle by a large factor so that relatively |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
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changeset
|
43 |
* small clock corrections can be added or subtracted at each clock |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
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changeset
|
44 |
* tick. The drawbacks of a large factor are a) that the clock |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
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changeset
|
45 |
* register overflows more quickly (not such a big deal) and b) that |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
46 |
* the increment per tick has to fit into 24 bits. As a result we |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
47 |
* need to use a shift of 19 so we can fit a value of 16 into the |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
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changeset
|
48 |
* TIMINCA register. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
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49 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
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|
50 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
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|
51 |
* SYSTIMH SYSTIML |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
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|
52 |
* +--------------+ +---+---+------+ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
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|
53 |
* 82576 | 32 | | 8 | 5 | 19 | |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
54 |
* +--------------+ +---+---+------+ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
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|
55 |
* \________ 45 bits _______/ fract |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
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|
56 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
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|
57 |
* +----------+---+ +--------------+ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
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|
58 |
* 82580 | 24 | 8 | | 32 | |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
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|
59 |
* +----------+---+ +--------------+ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
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|
60 |
* reserved \______ 40 bits _____/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
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61 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
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|
62 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
63 |
* The 45 bit 82576 SYSTIM overflows every |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
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|
64 |
* 2^45 * 10^-9 / 3600 = 9.77 hours. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
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65 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
66 |
* The 40 bit 82580 SYSTIM overflows every |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
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|
67 |
* 2^40 * 10^-9 / 60 = 18.3 minutes. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
68 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
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|
69 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
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|
70 |
#define IGB_SYSTIM_OVERFLOW_PERIOD (HZ * 60 * 9) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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71 |
#define IGB_PTP_TX_TIMEOUT (HZ * 15) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
72 |
#define INCPERIOD_82576 (1 << E1000_TIMINCA_16NS_SHIFT) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
73 |
#define INCVALUE_82576_MASK ((1 << E1000_TIMINCA_16NS_SHIFT) - 1) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
74 |
#define INCVALUE_82576 (16 << IGB_82576_TSYNC_SHIFT) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
75 |
#define IGB_NBITS_82580 40 |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
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76 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
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|
77 |
static void igb_ptp_tx_hwtstamp(struct igb_adapter *adapter); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
78 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
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|
79 |
/* SYSTIM read access for the 82576 */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
80 |
static cycle_t igb_ptp_read_82576(const struct cyclecounter *cc) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
81 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
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|
82 |
struct igb_adapter *igb = container_of(cc, struct igb_adapter, cc); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
83 |
struct e1000_hw *hw = &igb->hw; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
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|
84 |
u64 val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
85 |
u32 lo, hi; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
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changeset
|
86 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
87 |
lo = rd32(E1000_SYSTIML); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
88 |
hi = rd32(E1000_SYSTIMH); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
89 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
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|
90 |
val = ((u64) hi) << 32; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
91 |
val |= lo; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
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|
92 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
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|
93 |
return val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
diff
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|
94 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
95 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
96 |
/* SYSTIM read access for the 82580 */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
diff
changeset
|
97 |
static cycle_t igb_ptp_read_82580(const struct cyclecounter *cc) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
diff
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|
98 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
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|
99 |
struct igb_adapter *igb = container_of(cc, struct igb_adapter, cc); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
diff
changeset
|
100 |
struct e1000_hw *hw = &igb->hw; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
diff
changeset
|
101 |
u32 lo, hi; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
102 |
u64 val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
103 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
104 |
/* The timestamp latches on lowest register read. For the 82580 |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
105 |
* the lowest register is SYSTIMR instead of SYSTIML. However we only |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
106 |
* need to provide nanosecond resolution, so we just ignore it. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
107 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
108 |
rd32(E1000_SYSTIMR); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
109 |
lo = rd32(E1000_SYSTIML); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
110 |
hi = rd32(E1000_SYSTIMH); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
111 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
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|
112 |
val = ((u64) hi) << 32; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
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|
113 |
val |= lo; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
diff
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|
114 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
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|
115 |
return val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
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|
116 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
117 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
118 |
/* SYSTIM read access for I210/I211 */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
119 |
static void igb_ptp_read_i210(struct igb_adapter *adapter, struct timespec *ts) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
120 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
121 |
struct e1000_hw *hw = &adapter->hw; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
122 |
u32 sec, nsec; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
123 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
124 |
/* The timestamp latches on lowest register read. For I210/I211, the |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
125 |
* lowest register is SYSTIMR. Since we only need to provide nanosecond |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
126 |
* resolution, we can ignore it. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
127 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
128 |
rd32(E1000_SYSTIMR); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
129 |
nsec = rd32(E1000_SYSTIML); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
130 |
sec = rd32(E1000_SYSTIMH); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
131 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
132 |
ts->tv_sec = sec; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
133 |
ts->tv_nsec = nsec; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
134 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
135 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
136 |
static void igb_ptp_write_i210(struct igb_adapter *adapter, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
137 |
const struct timespec *ts) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
138 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
139 |
struct e1000_hw *hw = &adapter->hw; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
140 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
141 |
/* Writing the SYSTIMR register is not necessary as it only provides |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
142 |
* sub-nanosecond resolution. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
143 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
144 |
wr32(E1000_SYSTIML, ts->tv_nsec); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
145 |
wr32(E1000_SYSTIMH, ts->tv_sec); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
146 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
147 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
148 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
149 |
* igb_ptp_systim_to_hwtstamp - convert system time value to hw timestamp |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
150 |
* @adapter: board private structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
151 |
* @hwtstamps: timestamp structure to update |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
152 |
* @systim: unsigned 64bit system time value. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
153 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
154 |
* We need to convert the system time value stored in the RX/TXSTMP registers |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
155 |
* into a hwtstamp which can be used by the upper level timestamping functions. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
156 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
157 |
* The 'tmreg_lock' spinlock is used to protect the consistency of the |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
158 |
* system time value. This is needed because reading the 64 bit time |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
159 |
* value involves reading two (or three) 32 bit registers. The first |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
160 |
* read latches the value. Ditto for writing. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
161 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
162 |
* In addition, here have extended the system time with an overflow |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
163 |
* counter in software. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
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 |
static void igb_ptp_systim_to_hwtstamp(struct igb_adapter *adapter, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
166 |
struct skb_shared_hwtstamps *hwtstamps, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
167 |
u64 systim) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
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 |
unsigned long flags; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
170 |
u64 ns; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
171 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
172 |
switch (adapter->hw.mac.type) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
173 |
case e1000_82576: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
174 |
case e1000_82580: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
175 |
case e1000_i354: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
176 |
case e1000_i350: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
177 |
spin_lock_irqsave(&adapter->tmreg_lock, flags); |
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 |
ns = timecounter_cyc2time(&adapter->tc, systim); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
180 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
181 |
spin_unlock_irqrestore(&adapter->tmreg_lock, flags); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
182 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
183 |
memset(hwtstamps, 0, sizeof(*hwtstamps)); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
184 |
hwtstamps->hwtstamp = ns_to_ktime(ns); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
185 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
186 |
case e1000_i210: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
187 |
case e1000_i211: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
188 |
memset(hwtstamps, 0, sizeof(*hwtstamps)); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
189 |
/* Upper 32 bits contain s, lower 32 bits contain ns. */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
190 |
hwtstamps->hwtstamp = ktime_set(systim >> 32, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
191 |
systim & 0xFFFFFFFF); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
192 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
193 |
default: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
194 |
break; |
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 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
197 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
198 |
/* PTP clock operations */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
199 |
static int igb_ptp_adjfreq_82576(struct ptp_clock_info *ptp, s32 ppb) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
200 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
201 |
struct igb_adapter *igb = container_of(ptp, struct igb_adapter, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
202 |
ptp_caps); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
203 |
struct e1000_hw *hw = &igb->hw; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
204 |
int neg_adj = 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
205 |
u64 rate; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
206 |
u32 incvalue; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
207 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
208 |
if (ppb < 0) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
209 |
neg_adj = 1; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
210 |
ppb = -ppb; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
211 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
212 |
rate = ppb; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
213 |
rate <<= 14; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
214 |
rate = div_u64(rate, 1953125); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
215 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
216 |
incvalue = 16 << IGB_82576_TSYNC_SHIFT; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
217 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
218 |
if (neg_adj) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
219 |
incvalue -= rate; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
220 |
else |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
221 |
incvalue += rate; |
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 |
wr32(E1000_TIMINCA, INCPERIOD_82576 | (incvalue & INCVALUE_82576_MASK)); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
224 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
225 |
return 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
226 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
227 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
228 |
static int igb_ptp_adjfreq_82580(struct ptp_clock_info *ptp, s32 ppb) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
229 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
230 |
struct igb_adapter *igb = container_of(ptp, struct igb_adapter, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
231 |
ptp_caps); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
232 |
struct e1000_hw *hw = &igb->hw; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
233 |
int neg_adj = 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
234 |
u64 rate; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
235 |
u32 inca; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
236 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
237 |
if (ppb < 0) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
238 |
neg_adj = 1; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
239 |
ppb = -ppb; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
240 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
241 |
rate = ppb; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
242 |
rate <<= 26; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
243 |
rate = div_u64(rate, 1953125); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
244 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
245 |
inca = rate & INCVALUE_MASK; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
246 |
if (neg_adj) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
247 |
inca |= ISGN; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
248 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
249 |
wr32(E1000_TIMINCA, inca); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
250 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
251 |
return 0; |
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 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
254 |
static int igb_ptp_adjtime_82576(struct ptp_clock_info *ptp, s64 delta) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
255 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
256 |
struct igb_adapter *igb = container_of(ptp, struct igb_adapter, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
257 |
ptp_caps); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
258 |
unsigned long flags; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
259 |
s64 now; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
260 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
261 |
spin_lock_irqsave(&igb->tmreg_lock, flags); |
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 |
now = timecounter_read(&igb->tc); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
264 |
now += delta; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
265 |
timecounter_init(&igb->tc, &igb->cc, now); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
266 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
267 |
spin_unlock_irqrestore(&igb->tmreg_lock, flags); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
268 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
269 |
return 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
270 |
} |
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 |
static int igb_ptp_adjtime_i210(struct ptp_clock_info *ptp, s64 delta) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
273 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
274 |
struct igb_adapter *igb = container_of(ptp, struct igb_adapter, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
275 |
ptp_caps); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
276 |
unsigned long flags; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
277 |
struct timespec now, then = ns_to_timespec(delta); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
278 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
279 |
spin_lock_irqsave(&igb->tmreg_lock, flags); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
280 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
281 |
igb_ptp_read_i210(igb, &now); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
282 |
now = timespec_add(now, then); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
283 |
igb_ptp_write_i210(igb, (const struct timespec *)&now); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
284 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
285 |
spin_unlock_irqrestore(&igb->tmreg_lock, flags); |
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 |
return 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 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
290 |
static int igb_ptp_gettime_82576(struct ptp_clock_info *ptp, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
291 |
struct timespec *ts) |
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 |
struct igb_adapter *igb = container_of(ptp, struct igb_adapter, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
294 |
ptp_caps); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
295 |
unsigned long flags; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
296 |
u64 ns; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
297 |
u32 remainder; |
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 |
spin_lock_irqsave(&igb->tmreg_lock, flags); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
300 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
301 |
ns = timecounter_read(&igb->tc); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
302 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
303 |
spin_unlock_irqrestore(&igb->tmreg_lock, flags); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
304 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
305 |
ts->tv_sec = div_u64_rem(ns, 1000000000, &remainder); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
306 |
ts->tv_nsec = remainder; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
307 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
308 |
return 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
309 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
310 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
311 |
static int igb_ptp_gettime_i210(struct ptp_clock_info *ptp, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
312 |
struct timespec *ts) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
313 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
314 |
struct igb_adapter *igb = container_of(ptp, struct igb_adapter, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
315 |
ptp_caps); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
316 |
unsigned long flags; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
317 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
318 |
spin_lock_irqsave(&igb->tmreg_lock, flags); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
319 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
320 |
igb_ptp_read_i210(igb, ts); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
321 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
322 |
spin_unlock_irqrestore(&igb->tmreg_lock, flags); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
323 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
324 |
return 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
325 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
326 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
327 |
static int igb_ptp_settime_82576(struct ptp_clock_info *ptp, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
328 |
const struct timespec *ts) |
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 |
struct igb_adapter *igb = container_of(ptp, struct igb_adapter, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
331 |
ptp_caps); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
332 |
unsigned long flags; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
333 |
u64 ns; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
334 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
335 |
ns = ts->tv_sec * 1000000000ULL; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
336 |
ns += ts->tv_nsec; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
337 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
338 |
spin_lock_irqsave(&igb->tmreg_lock, flags); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
339 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
340 |
timecounter_init(&igb->tc, &igb->cc, ns); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
341 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
342 |
spin_unlock_irqrestore(&igb->tmreg_lock, flags); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
343 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
344 |
return 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
345 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
346 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
347 |
static int igb_ptp_settime_i210(struct ptp_clock_info *ptp, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
348 |
const struct timespec *ts) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
349 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
350 |
struct igb_adapter *igb = container_of(ptp, struct igb_adapter, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
351 |
ptp_caps); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
352 |
unsigned long flags; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
353 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
354 |
spin_lock_irqsave(&igb->tmreg_lock, flags); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
355 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
356 |
igb_ptp_write_i210(igb, ts); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
357 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
358 |
spin_unlock_irqrestore(&igb->tmreg_lock, flags); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
359 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
360 |
return 0; |
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 |
static int igb_ptp_feature_enable(struct ptp_clock_info *ptp, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
364 |
struct ptp_clock_request *rq, int on) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
365 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
366 |
return -EOPNOTSUPP; |
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 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
369 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
370 |
* igb_ptp_tx_work |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
371 |
* @work: pointer to work struct |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
372 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
373 |
* This work function polls the TSYNCTXCTL valid bit to determine when a |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
374 |
* timestamp has been taken for the current stored skb. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
375 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
376 |
static void igb_ptp_tx_work(struct work_struct *work) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
377 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
378 |
struct igb_adapter *adapter = container_of(work, struct igb_adapter, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
379 |
ptp_tx_work); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
380 |
struct e1000_hw *hw = &adapter->hw; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
381 |
u32 tsynctxctl; |
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 |
if (!adapter->ptp_tx_skb) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
384 |
return; |
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 |
if (time_is_before_jiffies(adapter->ptp_tx_start + |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
387 |
IGB_PTP_TX_TIMEOUT)) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
388 |
dev_kfree_skb_any(adapter->ptp_tx_skb); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
389 |
adapter->ptp_tx_skb = NULL; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
390 |
clear_bit_unlock(__IGB_PTP_TX_IN_PROGRESS, &adapter->state); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
391 |
adapter->tx_hwtstamp_timeouts++; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
392 |
dev_warn(&adapter->pdev->dev, "clearing Tx timestamp hang\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
393 |
return; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
394 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
395 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
396 |
tsynctxctl = rd32(E1000_TSYNCTXCTL); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
397 |
if (tsynctxctl & E1000_TSYNCTXCTL_VALID) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
398 |
igb_ptp_tx_hwtstamp(adapter); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
399 |
else |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
400 |
/* reschedule to check later */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
401 |
schedule_work(&adapter->ptp_tx_work); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
402 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
403 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
404 |
static void igb_ptp_overflow_check(struct work_struct *work) |
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 |
struct igb_adapter *igb = |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
407 |
container_of(work, struct igb_adapter, ptp_overflow_work.work); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
408 |
struct timespec ts; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
409 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
410 |
igb->ptp_caps.gettime(&igb->ptp_caps, &ts); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
411 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
412 |
pr_debug("igb overflow check at %ld.%09lu\n", ts.tv_sec, ts.tv_nsec); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
413 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
414 |
schedule_delayed_work(&igb->ptp_overflow_work, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
415 |
IGB_SYSTIM_OVERFLOW_PERIOD); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
416 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
417 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
418 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
419 |
* igb_ptp_rx_hang - detect error case when Rx timestamp registers latched |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
420 |
* @adapter: private network adapter structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
421 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
422 |
* This watchdog task is scheduled to detect error case where hardware has |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
423 |
* dropped an Rx packet that was timestamped when the ring is full. The |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
424 |
* particular error is rare but leaves the device in a state unable to timestamp |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
425 |
* any future packets. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
426 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
427 |
void igb_ptp_rx_hang(struct igb_adapter *adapter) |
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 |
struct e1000_hw *hw = &adapter->hw; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
430 |
u32 tsyncrxctl = rd32(E1000_TSYNCRXCTL); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
431 |
unsigned long rx_event; |
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 |
if (hw->mac.type != e1000_82576) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
434 |
return; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
435 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
436 |
/* If we don't have a valid timestamp in the registers, just update the |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
437 |
* timeout counter and exit |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
438 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
439 |
if (!(tsyncrxctl & E1000_TSYNCRXCTL_VALID)) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
440 |
adapter->last_rx_ptp_check = jiffies; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
441 |
return; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
442 |
} |
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 |
/* Determine the most recent watchdog or rx_timestamp event */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
445 |
rx_event = adapter->last_rx_ptp_check; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
446 |
if (time_after(adapter->last_rx_timestamp, rx_event)) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
447 |
rx_event = adapter->last_rx_timestamp; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
448 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
449 |
/* Only need to read the high RXSTMP register to clear the lock */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
450 |
if (time_is_before_jiffies(rx_event + 5 * HZ)) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
451 |
rd32(E1000_RXSTMPH); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
452 |
adapter->last_rx_ptp_check = jiffies; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
453 |
adapter->rx_hwtstamp_cleared++; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
454 |
dev_warn(&adapter->pdev->dev, "clearing Rx timestamp hang\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
455 |
} |
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 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
458 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
459 |
* igb_ptp_tx_hwtstamp - utility function which checks for TX time stamp |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
460 |
* @adapter: Board private structure. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
461 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
462 |
* If we were asked to do hardware stamping and such a time stamp is |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
463 |
* available, then it must have been for this skb here because we only |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
464 |
* allow only one such packet into the queue. |
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 |
static void igb_ptp_tx_hwtstamp(struct igb_adapter *adapter) |
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 |
struct e1000_hw *hw = &adapter->hw; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
469 |
struct skb_shared_hwtstamps shhwtstamps; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
470 |
u64 regval; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
471 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
472 |
regval = rd32(E1000_TXSTMPL); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
473 |
regval |= (u64)rd32(E1000_TXSTMPH) << 32; |
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 |
igb_ptp_systim_to_hwtstamp(adapter, &shhwtstamps, regval); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
476 |
skb_tstamp_tx(adapter->ptp_tx_skb, &shhwtstamps); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
477 |
dev_kfree_skb_any(adapter->ptp_tx_skb); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
478 |
adapter->ptp_tx_skb = NULL; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
479 |
clear_bit_unlock(__IGB_PTP_TX_IN_PROGRESS, &adapter->state); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
480 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
481 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
482 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
483 |
* igb_ptp_rx_pktstamp - retrieve Rx per packet timestamp |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
484 |
* @q_vector: Pointer to interrupt specific structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
485 |
* @va: Pointer to address containing Rx buffer |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
486 |
* @skb: Buffer containing timestamp and packet |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
487 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
488 |
* This function is meant to retrieve a timestamp from the first buffer of an |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
489 |
* incoming frame. The value is stored in little endian format starting on |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
490 |
* byte 8. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
491 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
492 |
void igb_ptp_rx_pktstamp(struct igb_q_vector *q_vector, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
493 |
unsigned char *va, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
494 |
struct sk_buff *skb) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
495 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
496 |
__le64 *regval = (__le64 *)va; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
497 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
498 |
/* The timestamp is recorded in little endian format. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
499 |
* DWORD: 0 1 2 3 |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
500 |
* Field: Reserved Reserved SYSTIML SYSTIMH |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
501 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
502 |
igb_ptp_systim_to_hwtstamp(q_vector->adapter, skb_hwtstamps(skb), |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
503 |
le64_to_cpu(regval[1])); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
504 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
505 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
506 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
507 |
* igb_ptp_rx_rgtstamp - retrieve Rx timestamp stored in register |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
508 |
* @q_vector: Pointer to interrupt specific structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
509 |
* @skb: Buffer containing timestamp and packet |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
510 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
511 |
* This function is meant to retrieve a timestamp from the internal registers |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
512 |
* of the adapter and store it in the skb. |
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 |
void igb_ptp_rx_rgtstamp(struct igb_q_vector *q_vector, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
515 |
struct sk_buff *skb) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
516 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
517 |
struct igb_adapter *adapter = q_vector->adapter; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
518 |
struct e1000_hw *hw = &adapter->hw; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
519 |
u64 regval; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
520 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
521 |
/* If this bit is set, then the RX registers contain the time stamp. No |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
522 |
* other packet will be time stamped until we read these registers, so |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
523 |
* read the registers to make them available again. Because only one |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
524 |
* packet can be time stamped at a time, we know that the register |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
525 |
* values must belong to this one here and therefore we don't need to |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
526 |
* compare any of the additional attributes stored for it. |
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 |
* If nothing went wrong, then it should have a shared tx_flags that we |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
529 |
* can turn into a skb_shared_hwtstamps. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
530 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
531 |
if (!(rd32(E1000_TSYNCRXCTL) & E1000_TSYNCRXCTL_VALID)) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
532 |
return; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
533 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
534 |
regval = rd32(E1000_RXSTMPL); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
535 |
regval |= (u64)rd32(E1000_RXSTMPH) << 32; |
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 |
igb_ptp_systim_to_hwtstamp(adapter, skb_hwtstamps(skb), regval); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
538 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
539 |
/* Update the last_rx_timestamp timer in order to enable watchdog check |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
540 |
* for error case of latched timestamp on a dropped packet. |
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 |
adapter->last_rx_timestamp = jiffies; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
543 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
544 |
|
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 |
* igb_ptp_get_ts_config - get hardware time stamping config |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
547 |
* @netdev: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
548 |
* @ifreq: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
549 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
550 |
* Get the hwtstamp_config settings to return to the user. Rather than attempt |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
551 |
* to deconstruct the settings from the registers, just return a shadow copy |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
552 |
* of the last known settings. |
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 |
int igb_ptp_get_ts_config(struct net_device *netdev, struct ifreq *ifr) |
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 |
struct igb_adapter *adapter = netdev_priv(netdev); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
557 |
struct hwtstamp_config *config = &adapter->tstamp_config; |
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 |
return copy_to_user(ifr->ifr_data, config, sizeof(*config)) ? |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
560 |
-EFAULT : 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
561 |
} |
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 |
* igb_ptp_set_timestamp_mode - setup hardware for timestamping |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
565 |
* @adapter: networking device structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
566 |
* @config: hwtstamp configuration |
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 |
* Outgoing time stamping can be enabled and disabled. Play nice and |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
569 |
* disable it when requested, although it shouldn't case any overhead |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
570 |
* when no packet needs it. At most one packet in the queue may be |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
571 |
* marked for time stamping, otherwise it would be impossible to tell |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
572 |
* for sure to which packet the hardware time stamp belongs. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
573 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
574 |
* Incoming time stamping has to be configured via the hardware |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
575 |
* filters. Not all combinations are supported, in particular event |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
576 |
* type has to be specified. Matching the kind of event packet is |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
577 |
* not supported, with the exception of "all V2 events regardless of |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
578 |
* level 2 or 4". |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
579 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
580 |
static int igb_ptp_set_timestamp_mode(struct igb_adapter *adapter, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
581 |
struct hwtstamp_config *config) |
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 |
struct e1000_hw *hw = &adapter->hw; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
584 |
u32 tsync_tx_ctl = E1000_TSYNCTXCTL_ENABLED; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
585 |
u32 tsync_rx_ctl = E1000_TSYNCRXCTL_ENABLED; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
586 |
u32 tsync_rx_cfg = 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
587 |
bool is_l4 = false; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
588 |
bool is_l2 = false; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
589 |
u32 regval; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
590 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
591 |
/* reserved for future extensions */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
592 |
if (config->flags) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
593 |
return -EINVAL; |
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 |
switch (config->tx_type) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
596 |
case HWTSTAMP_TX_OFF: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
597 |
tsync_tx_ctl = 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
598 |
case HWTSTAMP_TX_ON: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
599 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
600 |
default: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
601 |
return -ERANGE; |
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 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
604 |
switch (config->rx_filter) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
605 |
case HWTSTAMP_FILTER_NONE: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
606 |
tsync_rx_ctl = 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
607 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
608 |
case HWTSTAMP_FILTER_PTP_V1_L4_SYNC: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
609 |
tsync_rx_ctl |= E1000_TSYNCRXCTL_TYPE_L4_V1; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
610 |
tsync_rx_cfg = E1000_TSYNCRXCFG_PTP_V1_SYNC_MESSAGE; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
611 |
is_l4 = true; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
612 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
613 |
case HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
614 |
tsync_rx_ctl |= E1000_TSYNCRXCTL_TYPE_L4_V1; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
615 |
tsync_rx_cfg = E1000_TSYNCRXCFG_PTP_V1_DELAY_REQ_MESSAGE; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
616 |
is_l4 = true; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
617 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
618 |
case HWTSTAMP_FILTER_PTP_V2_EVENT: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
619 |
case HWTSTAMP_FILTER_PTP_V2_L2_EVENT: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
620 |
case HWTSTAMP_FILTER_PTP_V2_L4_EVENT: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
621 |
case HWTSTAMP_FILTER_PTP_V2_SYNC: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
622 |
case HWTSTAMP_FILTER_PTP_V2_L2_SYNC: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
623 |
case HWTSTAMP_FILTER_PTP_V2_L4_SYNC: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
624 |
case HWTSTAMP_FILTER_PTP_V2_DELAY_REQ: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
625 |
case HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
626 |
case HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
627 |
tsync_rx_ctl |= E1000_TSYNCRXCTL_TYPE_EVENT_V2; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
628 |
config->rx_filter = HWTSTAMP_FILTER_PTP_V2_EVENT; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
629 |
is_l2 = true; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
630 |
is_l4 = true; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
631 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
632 |
case HWTSTAMP_FILTER_PTP_V1_L4_EVENT: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
633 |
case HWTSTAMP_FILTER_ALL: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
634 |
/* 82576 cannot timestamp all packets, which it needs to do to |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
635 |
* support both V1 Sync and Delay_Req messages |
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 |
if (hw->mac.type != e1000_82576) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
638 |
tsync_rx_ctl |= E1000_TSYNCRXCTL_TYPE_ALL; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
639 |
config->rx_filter = HWTSTAMP_FILTER_ALL; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
640 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
641 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
642 |
/* fall through */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
643 |
default: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
644 |
config->rx_filter = HWTSTAMP_FILTER_NONE; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
645 |
return -ERANGE; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
646 |
} |
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 |
if (hw->mac.type == e1000_82575) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
649 |
if (tsync_rx_ctl | tsync_tx_ctl) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
650 |
return -EINVAL; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
651 |
return 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
652 |
} |
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 |
/* Per-packet timestamping only works if all packets are |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
655 |
* timestamped, so enable timestamping in all packets as |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
656 |
* long as one Rx filter was configured. |
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 |
if ((hw->mac.type >= e1000_82580) && tsync_rx_ctl) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
659 |
tsync_rx_ctl = E1000_TSYNCRXCTL_ENABLED; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
660 |
tsync_rx_ctl |= E1000_TSYNCRXCTL_TYPE_ALL; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
661 |
config->rx_filter = HWTSTAMP_FILTER_ALL; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
662 |
is_l2 = true; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
663 |
is_l4 = true; |
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 |
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
|
666 |
(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
|
667 |
regval = rd32(E1000_RXPBS); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
668 |
regval |= E1000_RXPBS_CFG_TS_EN; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
669 |
wr32(E1000_RXPBS, regval); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
670 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
671 |
} |
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 |
/* enable/disable TX */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
674 |
regval = rd32(E1000_TSYNCTXCTL); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
675 |
regval &= ~E1000_TSYNCTXCTL_ENABLED; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
676 |
regval |= tsync_tx_ctl; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
677 |
wr32(E1000_TSYNCTXCTL, regval); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
678 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
679 |
/* enable/disable RX */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
680 |
regval = rd32(E1000_TSYNCRXCTL); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
681 |
regval &= ~(E1000_TSYNCRXCTL_ENABLED | E1000_TSYNCRXCTL_TYPE_MASK); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
682 |
regval |= tsync_rx_ctl; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
683 |
wr32(E1000_TSYNCRXCTL, regval); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
684 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
685 |
/* define which PTP packets are time stamped */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
686 |
wr32(E1000_TSYNCRXCFG, tsync_rx_cfg); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
687 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
688 |
/* define ethertype filter for timestamped packets */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
689 |
if (is_l2) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
690 |
wr32(E1000_ETQF(3), |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
691 |
(E1000_ETQF_FILTER_ENABLE | /* enable filter */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
692 |
E1000_ETQF_1588 | /* enable timestamping */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
693 |
ETH_P_1588)); /* 1588 eth protocol type */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
694 |
else |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
695 |
wr32(E1000_ETQF(3), 0); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
696 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
697 |
/* L4 Queue Filter[3]: filter by destination port and protocol */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
698 |
if (is_l4) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
699 |
u32 ftqf = (IPPROTO_UDP /* UDP */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
700 |
| E1000_FTQF_VF_BP /* VF not compared */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
701 |
| E1000_FTQF_1588_TIME_STAMP /* Enable Timestamping */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
702 |
| E1000_FTQF_MASK); /* mask all inputs */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
703 |
ftqf &= ~E1000_FTQF_MASK_PROTO_BP; /* enable protocol check */ |
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 |
wr32(E1000_IMIR(3), htons(PTP_EV_PORT)); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
706 |
wr32(E1000_IMIREXT(3), |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
707 |
(E1000_IMIREXT_SIZE_BP | E1000_IMIREXT_CTRL_BP)); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
708 |
if (hw->mac.type == e1000_82576) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
709 |
/* enable source port check */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
710 |
wr32(E1000_SPQF(3), htons(PTP_EV_PORT)); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
711 |
ftqf &= ~E1000_FTQF_MASK_SOURCE_PORT_BP; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
712 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
713 |
wr32(E1000_FTQF(3), ftqf); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
714 |
} else { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
715 |
wr32(E1000_FTQF(3), E1000_FTQF_MASK); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
716 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
717 |
wrfl(); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
718 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
719 |
/* clear TX/RX time stamp registers, just to be sure */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
720 |
regval = rd32(E1000_TXSTMPL); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
721 |
regval = rd32(E1000_TXSTMPH); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
722 |
regval = rd32(E1000_RXSTMPL); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
723 |
regval = rd32(E1000_RXSTMPH); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
724 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
725 |
return 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
726 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
727 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
728 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
729 |
* igb_ptp_set_ts_config - set hardware time stamping config |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
730 |
* @netdev: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
731 |
* @ifreq: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
732 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
733 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
734 |
int igb_ptp_set_ts_config(struct net_device *netdev, struct ifreq *ifr) |
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 |
struct igb_adapter *adapter = netdev_priv(netdev); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
737 |
struct hwtstamp_config config; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
738 |
int err; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
739 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
740 |
if (copy_from_user(&config, ifr->ifr_data, sizeof(config))) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
741 |
return -EFAULT; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
742 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
743 |
err = igb_ptp_set_timestamp_mode(adapter, &config); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
744 |
if (err) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
745 |
return err; |
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 |
/* save these settings for future reference */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
748 |
memcpy(&adapter->tstamp_config, &config, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
749 |
sizeof(adapter->tstamp_config)); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
750 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
751 |
return copy_to_user(ifr->ifr_data, &config, sizeof(config)) ? |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
752 |
-EFAULT : 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
753 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
754 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
755 |
void igb_ptp_init(struct igb_adapter *adapter) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
756 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
757 |
struct e1000_hw *hw = &adapter->hw; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
758 |
struct net_device *netdev = adapter->netdev; |
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 |
switch (hw->mac.type) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
761 |
case e1000_82576: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
762 |
snprintf(adapter->ptp_caps.name, 16, "%pm", netdev->dev_addr); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
763 |
adapter->ptp_caps.owner = THIS_MODULE; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
764 |
adapter->ptp_caps.max_adj = 999999881; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
765 |
adapter->ptp_caps.n_ext_ts = 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
766 |
adapter->ptp_caps.pps = 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
767 |
adapter->ptp_caps.adjfreq = igb_ptp_adjfreq_82576; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
768 |
adapter->ptp_caps.adjtime = igb_ptp_adjtime_82576; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
769 |
adapter->ptp_caps.gettime = igb_ptp_gettime_82576; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
770 |
adapter->ptp_caps.settime = igb_ptp_settime_82576; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
771 |
adapter->ptp_caps.enable = igb_ptp_feature_enable; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
772 |
adapter->cc.read = igb_ptp_read_82576; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
773 |
adapter->cc.mask = CLOCKSOURCE_MASK(64); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
774 |
adapter->cc.mult = 1; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
775 |
adapter->cc.shift = IGB_82576_TSYNC_SHIFT; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
776 |
/* Dial the nominal frequency. */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
777 |
wr32(E1000_TIMINCA, INCPERIOD_82576 | INCVALUE_82576); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
778 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
779 |
case e1000_82580: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
780 |
case e1000_i354: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
781 |
case e1000_i350: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
782 |
snprintf(adapter->ptp_caps.name, 16, "%pm", netdev->dev_addr); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
783 |
adapter->ptp_caps.owner = THIS_MODULE; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
784 |
adapter->ptp_caps.max_adj = 62499999; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
785 |
adapter->ptp_caps.n_ext_ts = 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
786 |
adapter->ptp_caps.pps = 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
787 |
adapter->ptp_caps.adjfreq = igb_ptp_adjfreq_82580; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
788 |
adapter->ptp_caps.adjtime = igb_ptp_adjtime_82576; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
789 |
adapter->ptp_caps.gettime = igb_ptp_gettime_82576; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
790 |
adapter->ptp_caps.settime = igb_ptp_settime_82576; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
791 |
adapter->ptp_caps.enable = igb_ptp_feature_enable; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
792 |
adapter->cc.read = igb_ptp_read_82580; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
793 |
adapter->cc.mask = CLOCKSOURCE_MASK(IGB_NBITS_82580); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
794 |
adapter->cc.mult = 1; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
795 |
adapter->cc.shift = 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
796 |
/* Enable the timer functions by clearing bit 31. */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
797 |
wr32(E1000_TSAUXC, 0x0); |
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 |
case e1000_i210: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
800 |
case e1000_i211: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
801 |
snprintf(adapter->ptp_caps.name, 16, "%pm", netdev->dev_addr); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
802 |
adapter->ptp_caps.owner = THIS_MODULE; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
803 |
adapter->ptp_caps.max_adj = 62499999; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
804 |
adapter->ptp_caps.n_ext_ts = 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
805 |
adapter->ptp_caps.pps = 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
806 |
adapter->ptp_caps.adjfreq = igb_ptp_adjfreq_82580; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
807 |
adapter->ptp_caps.adjtime = igb_ptp_adjtime_i210; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
808 |
adapter->ptp_caps.gettime = igb_ptp_gettime_i210; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
809 |
adapter->ptp_caps.settime = igb_ptp_settime_i210; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
810 |
adapter->ptp_caps.enable = igb_ptp_feature_enable; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
811 |
/* Enable the timer functions by clearing bit 31. */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
812 |
wr32(E1000_TSAUXC, 0x0); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
813 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
814 |
default: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
815 |
adapter->ptp_clock = NULL; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
816 |
return; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
817 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
818 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
819 |
wrfl(); |
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 |
spin_lock_init(&adapter->tmreg_lock); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
822 |
INIT_WORK(&adapter->ptp_tx_work, igb_ptp_tx_work); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
823 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
824 |
/* Initialize the clock and overflow work for devices that need it. */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
825 |
if ((hw->mac.type == e1000_i210) || (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
|
826 |
struct timespec ts = ktime_to_timespec(ktime_get_real()); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
827 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
828 |
igb_ptp_settime_i210(&adapter->ptp_caps, &ts); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
829 |
} else { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
830 |
timecounter_init(&adapter->tc, &adapter->cc, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
831 |
ktime_to_ns(ktime_get_real())); |
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 |
INIT_DELAYED_WORK(&adapter->ptp_overflow_work, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
834 |
igb_ptp_overflow_check); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
835 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
836 |
schedule_delayed_work(&adapter->ptp_overflow_work, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
837 |
IGB_SYSTIM_OVERFLOW_PERIOD); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
838 |
} |
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 |
/* Initialize the time sync interrupts for devices that support it. */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
841 |
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
|
842 |
wr32(E1000_TSIM, TSYNC_INTERRUPTS); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
843 |
wr32(E1000_IMS, E1000_IMS_TS); |
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 |
adapter->tstamp_config.rx_filter = HWTSTAMP_FILTER_NONE; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
847 |
adapter->tstamp_config.tx_type = HWTSTAMP_TX_OFF; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
848 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
849 |
adapter->ptp_clock = ptp_clock_register(&adapter->ptp_caps, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
850 |
&adapter->pdev->dev); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
851 |
if (IS_ERR(adapter->ptp_clock)) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
852 |
adapter->ptp_clock = NULL; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
853 |
dev_err(&adapter->pdev->dev, "ptp_clock_register failed\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
854 |
} else { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
855 |
dev_info(&adapter->pdev->dev, "added PHC on %s\n", |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
856 |
adapter->netdev->name); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
857 |
adapter->flags |= IGB_FLAG_PTP; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
858 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
859 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
860 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
861 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
862 |
* igb_ptp_stop - Disable PTP device and stop the overflow check. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
863 |
* @adapter: Board private structure. |
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 |
* This function stops the PTP support and cancels the delayed work. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
866 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
867 |
void igb_ptp_stop(struct igb_adapter *adapter) |
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 |
switch (adapter->hw.mac.type) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
870 |
case e1000_82576: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
871 |
case e1000_82580: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
872 |
case e1000_i354: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
873 |
case e1000_i350: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
874 |
cancel_delayed_work_sync(&adapter->ptp_overflow_work); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
875 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
876 |
case e1000_i210: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
877 |
case e1000_i211: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
878 |
/* No delayed work to cancel. */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
879 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
880 |
default: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
881 |
return; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
882 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
883 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
884 |
cancel_work_sync(&adapter->ptp_tx_work); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
885 |
if (adapter->ptp_tx_skb) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
886 |
dev_kfree_skb_any(adapter->ptp_tx_skb); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
887 |
adapter->ptp_tx_skb = NULL; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
888 |
clear_bit_unlock(__IGB_PTP_TX_IN_PROGRESS, &adapter->state); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
889 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
890 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
891 |
if (adapter->ptp_clock) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
892 |
ptp_clock_unregister(adapter->ptp_clock); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
893 |
dev_info(&adapter->pdev->dev, "removed PHC on %s\n", |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
894 |
adapter->netdev->name); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
895 |
adapter->flags &= ~IGB_FLAG_PTP; |
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 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
898 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
899 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
900 |
* igb_ptp_reset - Re-enable the adapter for PTP following a reset. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
901 |
* @adapter: Board private structure. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
902 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
903 |
* This function handles the reset work required to re-enable the PTP device. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
904 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
905 |
void igb_ptp_reset(struct igb_adapter *adapter) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
906 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
907 |
struct e1000_hw *hw = &adapter->hw; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
908 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
909 |
if (!(adapter->flags & IGB_FLAG_PTP)) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
910 |
return; |
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 |
/* reset the tstamp_config */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
913 |
igb_ptp_set_timestamp_mode(adapter, &adapter->tstamp_config); |
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 |
switch (adapter->hw.mac.type) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
916 |
case e1000_82576: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
917 |
/* Dial the nominal frequency. */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
918 |
wr32(E1000_TIMINCA, INCPERIOD_82576 | INCVALUE_82576); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
919 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
920 |
case e1000_82580: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
921 |
case e1000_i354: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
922 |
case e1000_i350: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
923 |
case e1000_i210: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
924 |
case e1000_i211: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
925 |
/* Enable the timer functions and interrupts. */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
926 |
wr32(E1000_TSAUXC, 0x0); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
927 |
wr32(E1000_TSIM, TSYNC_INTERRUPTS); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
928 |
wr32(E1000_IMS, E1000_IMS_TS); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
929 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
930 |
default: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
931 |
/* No work to do. */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
932 |
return; |
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 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
935 |
/* Re-initialize the timer. */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
936 |
if ((hw->mac.type == e1000_i210) || (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
|
937 |
struct timespec ts = ktime_to_timespec(ktime_get_real()); |
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 |
igb_ptp_settime_i210(&adapter->ptp_caps, &ts); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
940 |
} else { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
941 |
timecounter_init(&adapter->tc, &adapter->cc, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
942 |
ktime_to_ns(ktime_get_real())); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
943 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
944 |
} |