author | Florian Pose <fp@gh.de> |
Fri, 13 Jan 2017 16:47:27 +0100 | |
branch | stable-1.5 |
changeset 2665 | 2de506e60b21 |
parent 2587 | afd76ee3aa87 |
permissions | -rw-r--r-- |
2587
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/******************************************************************************* |
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|
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3 |
Intel PRO/1000 Linux driver |
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4 |
Copyright(c) 1999 - 2013 Intel Corporation. |
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5 |
|
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6 |
This program is free software; you can redistribute it and/or modify it |
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7 |
under the terms and conditions of the GNU General Public License, |
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8 |
version 2, as published by the Free Software Foundation. |
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9 |
|
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10 |
This program is distributed in the hope it will be useful, but WITHOUT |
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11 |
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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12 |
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
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13 |
more details. |
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14 |
|
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You should have received a copy of the GNU General Public License along with |
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16 |
this program; if not, write to the Free Software Foundation, Inc., |
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17 |
51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. |
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18 |
|
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19 |
The full GNU General Public License is included in this distribution in |
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20 |
the file called "COPYING". |
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|
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Contact Information: |
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23 |
Linux NICS <linux.nics@intel.com> |
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24 |
e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> |
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Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 |
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|
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*******************************************************************************/ |
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|
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#include "e1000-3.14-ethercat.h" |
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|
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/** |
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* e1000e_get_bus_info_pcie - Get PCIe bus information |
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* @hw: pointer to the HW structure |
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* |
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* Determines and stores the system bus information for a particular |
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* network interface. The following bus information is determined and stored: |
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* bus speed, bus width, type (PCIe), and PCIe function. |
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**/ |
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s32 e1000e_get_bus_info_pcie(struct e1000_hw *hw) |
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{ |
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struct e1000_mac_info *mac = &hw->mac; |
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struct e1000_bus_info *bus = &hw->bus; |
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struct e1000_adapter *adapter = hw->adapter; |
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u16 pcie_link_status, cap_offset; |
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|
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cap_offset = adapter->pdev->pcie_cap; |
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if (!cap_offset) { |
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bus->width = e1000_bus_width_unknown; |
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} else { |
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pci_read_config_word(adapter->pdev, |
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cap_offset + PCIE_LINK_STATUS, |
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&pcie_link_status); |
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bus->width = (enum e1000_bus_width)((pcie_link_status & |
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PCIE_LINK_WIDTH_MASK) >> |
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PCIE_LINK_WIDTH_SHIFT); |
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} |
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|
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mac->ops.set_lan_id(hw); |
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|
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return 0; |
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} |
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|
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/** |
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* e1000_set_lan_id_multi_port_pcie - Set LAN id for PCIe multiple port devices |
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* |
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* @hw: pointer to the HW structure |
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* |
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* Determines the LAN function id by reading memory-mapped registers |
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* and swaps the port value if requested. |
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**/ |
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void e1000_set_lan_id_multi_port_pcie(struct e1000_hw *hw) |
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{ |
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struct e1000_bus_info *bus = &hw->bus; |
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u32 reg; |
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|
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/* The status register reports the correct function number |
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* for the device regardless of function swap state. |
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*/ |
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reg = er32(STATUS); |
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bus->func = (reg & E1000_STATUS_FUNC_MASK) >> E1000_STATUS_FUNC_SHIFT; |
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} |
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|
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/** |
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* e1000_set_lan_id_single_port - Set LAN id for a single port device |
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* @hw: pointer to the HW structure |
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* |
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* Sets the LAN function id to zero for a single port device. |
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**/ |
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void e1000_set_lan_id_single_port(struct e1000_hw *hw) |
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{ |
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struct e1000_bus_info *bus = &hw->bus; |
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|
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bus->func = 0; |
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} |
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|
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/** |
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* e1000_clear_vfta_generic - Clear VLAN filter table |
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* @hw: pointer to the HW structure |
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* |
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* Clears the register array which contains the VLAN filter table by |
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* setting all the values to 0. |
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**/ |
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void e1000_clear_vfta_generic(struct e1000_hw *hw) |
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{ |
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u32 offset; |
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|
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for (offset = 0; offset < E1000_VLAN_FILTER_TBL_SIZE; offset++) { |
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E1000_WRITE_REG_ARRAY(hw, E1000_VFTA, offset, 0); |
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109 |
e1e_flush(); |
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110 |
} |
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} |
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|
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/** |
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* e1000_write_vfta_generic - Write value to VLAN filter table |
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* @hw: pointer to the HW structure |
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* @offset: register offset in VLAN filter table |
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* @value: register value written to VLAN filter table |
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118 |
* |
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* Writes value at the given offset in the register array which stores |
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* the VLAN filter table. |
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121 |
**/ |
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122 |
void e1000_write_vfta_generic(struct e1000_hw *hw, u32 offset, u32 value) |
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123 |
{ |
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124 |
E1000_WRITE_REG_ARRAY(hw, E1000_VFTA, offset, value); |
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125 |
e1e_flush(); |
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126 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
127 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
128 |
/** |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
129 |
* e1000e_init_rx_addrs - Initialize receive address's |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
130 |
* @hw: pointer to the HW structure |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
131 |
* @rar_count: receive address registers |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
132 |
* |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
133 |
* Setup the receive address registers by setting the base receive address |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
134 |
* register to the devices MAC address and clearing all the other receive |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
135 |
* address registers to 0. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
136 |
**/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
137 |
void e1000e_init_rx_addrs(struct e1000_hw *hw, u16 rar_count) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
138 |
{ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
139 |
u32 i; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
140 |
u8 mac_addr[ETH_ALEN] = { 0 }; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
141 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
142 |
/* Setup the receive address */ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
143 |
e_dbg("Programming MAC Address into RAR[0]\n"); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
144 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
145 |
hw->mac.ops.rar_set(hw, hw->mac.addr, 0); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
146 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
147 |
/* Zero out the other (rar_entry_count - 1) receive addresses */ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
148 |
e_dbg("Clearing RAR[1-%u]\n", rar_count - 1); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
149 |
for (i = 1; i < rar_count; i++) |
afd76ee3aa87
Added all drivers for kernel 3.14.
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parents:
diff
changeset
|
150 |
hw->mac.ops.rar_set(hw, mac_addr, i); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
151 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
152 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
153 |
/** |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
154 |
* e1000_check_alt_mac_addr_generic - Check for alternate MAC addr |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
155 |
* @hw: pointer to the HW structure |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
156 |
* |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
157 |
* Checks the nvm for an alternate MAC address. An alternate MAC address |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
158 |
* can be setup by pre-boot software and must be treated like a permanent |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
159 |
* address and must override the actual permanent MAC address. If an |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
160 |
* alternate MAC address is found it is programmed into RAR0, replacing |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
161 |
* the permanent address that was installed into RAR0 by the Si on reset. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
162 |
* This function will return SUCCESS unless it encounters an error while |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
163 |
* reading the EEPROM. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
164 |
**/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
165 |
s32 e1000_check_alt_mac_addr_generic(struct e1000_hw *hw) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
166 |
{ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
167 |
u32 i; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
168 |
s32 ret_val; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
169 |
u16 offset, nvm_alt_mac_addr_offset, nvm_data; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
170 |
u8 alt_mac_addr[ETH_ALEN]; |
afd76ee3aa87
Added all drivers for kernel 3.14.
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parents:
diff
changeset
|
171 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
172 |
ret_val = e1000_read_nvm(hw, NVM_COMPAT, 1, &nvm_data); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
173 |
if (ret_val) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
174 |
return ret_val; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
175 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
176 |
/* not supported on 82573 */ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
177 |
if (hw->mac.type == e1000_82573) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
178 |
return 0; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
179 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
180 |
ret_val = e1000_read_nvm(hw, NVM_ALT_MAC_ADDR_PTR, 1, |
afd76ee3aa87
Added all drivers for kernel 3.14.
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parents:
diff
changeset
|
181 |
&nvm_alt_mac_addr_offset); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
182 |
if (ret_val) { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
183 |
e_dbg("NVM Read Error\n"); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
184 |
return ret_val; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
185 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
186 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
187 |
if ((nvm_alt_mac_addr_offset == 0xFFFF) || |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
188 |
(nvm_alt_mac_addr_offset == 0x0000)) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
189 |
/* There is no Alternate MAC Address */ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
190 |
return 0; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
191 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
192 |
if (hw->bus.func == E1000_FUNC_1) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
193 |
nvm_alt_mac_addr_offset += E1000_ALT_MAC_ADDRESS_OFFSET_LAN1; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
194 |
for (i = 0; i < ETH_ALEN; i += 2) { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
195 |
offset = nvm_alt_mac_addr_offset + (i >> 1); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
196 |
ret_val = e1000_read_nvm(hw, offset, 1, &nvm_data); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
197 |
if (ret_val) { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
198 |
e_dbg("NVM Read Error\n"); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
199 |
return ret_val; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
200 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
201 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
202 |
alt_mac_addr[i] = (u8)(nvm_data & 0xFF); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
203 |
alt_mac_addr[i + 1] = (u8)(nvm_data >> 8); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
204 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
205 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
206 |
/* if multicast bit is set, the alternate address will not be used */ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
207 |
if (is_multicast_ether_addr(alt_mac_addr)) { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
208 |
e_dbg("Ignoring Alternate Mac Address with MC bit set\n"); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
209 |
return 0; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
210 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
211 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
212 |
/* We have a valid alternate MAC address, and we want to treat it the |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
213 |
* same as the normal permanent MAC address stored by the HW into the |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
214 |
* RAR. Do this by mapping this address into RAR0. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
215 |
*/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
216 |
hw->mac.ops.rar_set(hw, alt_mac_addr, 0); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
217 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
218 |
return 0; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
219 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
220 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
221 |
/** |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
222 |
* e1000e_rar_set_generic - Set receive address register |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
223 |
* @hw: pointer to the HW structure |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
224 |
* @addr: pointer to the receive address |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
225 |
* @index: receive address array register |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
226 |
* |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
227 |
* Sets the receive address array register at index to the address passed |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
228 |
* in by addr. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
229 |
**/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
230 |
void e1000e_rar_set_generic(struct e1000_hw *hw, u8 *addr, u32 index) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
231 |
{ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
232 |
u32 rar_low, rar_high; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
233 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
234 |
/* HW expects these in little endian so we reverse the byte order |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
235 |
* from network order (big endian) to little endian |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
236 |
*/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
237 |
rar_low = ((u32)addr[0] | ((u32)addr[1] << 8) | |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
238 |
((u32)addr[2] << 16) | ((u32)addr[3] << 24)); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
239 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
240 |
rar_high = ((u32)addr[4] | ((u32)addr[5] << 8)); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
241 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
242 |
/* If MAC address zero, no need to set the AV bit */ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
243 |
if (rar_low || rar_high) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
244 |
rar_high |= E1000_RAH_AV; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
245 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
246 |
/* Some bridges will combine consecutive 32-bit writes into |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
247 |
* a single burst write, which will malfunction on some parts. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
248 |
* The flushes avoid this. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
249 |
*/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
250 |
ew32(RAL(index), rar_low); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
251 |
e1e_flush(); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
252 |
ew32(RAH(index), rar_high); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
253 |
e1e_flush(); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
254 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
255 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
256 |
/** |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
257 |
* e1000_hash_mc_addr - Generate a multicast hash value |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
258 |
* @hw: pointer to the HW structure |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
259 |
* @mc_addr: pointer to a multicast address |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
260 |
* |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
261 |
* Generates a multicast address hash value which is used to determine |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
262 |
* the multicast filter table array address and new table value. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
263 |
**/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
264 |
static u32 e1000_hash_mc_addr(struct e1000_hw *hw, u8 *mc_addr) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
265 |
{ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
266 |
u32 hash_value, hash_mask; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
267 |
u8 bit_shift = 0; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
268 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
269 |
/* Register count multiplied by bits per register */ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
270 |
hash_mask = (hw->mac.mta_reg_count * 32) - 1; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
271 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
272 |
/* For a mc_filter_type of 0, bit_shift is the number of left-shifts |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
273 |
* where 0xFF would still fall within the hash mask. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
274 |
*/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
275 |
while (hash_mask >> bit_shift != 0xFF) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
276 |
bit_shift++; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
277 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
278 |
/* The portion of the address that is used for the hash table |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
279 |
* is determined by the mc_filter_type setting. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
280 |
* The algorithm is such that there is a total of 8 bits of shifting. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
281 |
* The bit_shift for a mc_filter_type of 0 represents the number of |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
282 |
* left-shifts where the MSB of mc_addr[5] would still fall within |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
283 |
* the hash_mask. Case 0 does this exactly. Since there are a total |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
284 |
* of 8 bits of shifting, then mc_addr[4] will shift right the |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
285 |
* remaining number of bits. Thus 8 - bit_shift. The rest of the |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
286 |
* cases are a variation of this algorithm...essentially raising the |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
287 |
* number of bits to shift mc_addr[5] left, while still keeping the |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
288 |
* 8-bit shifting total. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
289 |
* |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
290 |
* For example, given the following Destination MAC Address and an |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
291 |
* mta register count of 128 (thus a 4096-bit vector and 0xFFF mask), |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
292 |
* we can see that the bit_shift for case 0 is 4. These are the hash |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
293 |
* values resulting from each mc_filter_type... |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
294 |
* [0] [1] [2] [3] [4] [5] |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
295 |
* 01 AA 00 12 34 56 |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
296 |
* LSB MSB |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
297 |
* |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
298 |
* case 0: hash_value = ((0x34 >> 4) | (0x56 << 4)) & 0xFFF = 0x563 |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
299 |
* case 1: hash_value = ((0x34 >> 3) | (0x56 << 5)) & 0xFFF = 0xAC6 |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
300 |
* case 2: hash_value = ((0x34 >> 2) | (0x56 << 6)) & 0xFFF = 0x163 |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
301 |
* case 3: hash_value = ((0x34 >> 0) | (0x56 << 8)) & 0xFFF = 0x634 |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
302 |
*/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
303 |
switch (hw->mac.mc_filter_type) { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
304 |
default: |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
305 |
case 0: |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
306 |
break; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
307 |
case 1: |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
308 |
bit_shift += 1; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
309 |
break; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
310 |
case 2: |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
311 |
bit_shift += 2; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
312 |
break; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
313 |
case 3: |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
314 |
bit_shift += 4; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
315 |
break; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
316 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
317 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
318 |
hash_value = hash_mask & (((mc_addr[4] >> (8 - bit_shift)) | |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
319 |
(((u16)mc_addr[5]) << bit_shift))); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
320 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
321 |
return hash_value; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
322 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
323 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
324 |
/** |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
325 |
* e1000e_update_mc_addr_list_generic - Update Multicast addresses |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
326 |
* @hw: pointer to the HW structure |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
327 |
* @mc_addr_list: array of multicast addresses to program |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
328 |
* @mc_addr_count: number of multicast addresses to program |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
329 |
* |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
330 |
* Updates entire Multicast Table Array. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
331 |
* The caller must have a packed mc_addr_list of multicast addresses. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
332 |
**/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
333 |
void e1000e_update_mc_addr_list_generic(struct e1000_hw *hw, |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
334 |
u8 *mc_addr_list, u32 mc_addr_count) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
335 |
{ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
336 |
u32 hash_value, hash_bit, hash_reg; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
337 |
int i; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
338 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
339 |
/* clear mta_shadow */ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
340 |
memset(&hw->mac.mta_shadow, 0, sizeof(hw->mac.mta_shadow)); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
341 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
342 |
/* update mta_shadow from mc_addr_list */ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
343 |
for (i = 0; (u32)i < mc_addr_count; i++) { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
344 |
hash_value = e1000_hash_mc_addr(hw, mc_addr_list); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
345 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
346 |
hash_reg = (hash_value >> 5) & (hw->mac.mta_reg_count - 1); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
347 |
hash_bit = hash_value & 0x1F; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
348 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
349 |
hw->mac.mta_shadow[hash_reg] |= (1 << hash_bit); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
350 |
mc_addr_list += (ETH_ALEN); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
351 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
352 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
353 |
/* replace the entire MTA table */ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
354 |
for (i = hw->mac.mta_reg_count - 1; i >= 0; i--) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
355 |
E1000_WRITE_REG_ARRAY(hw, E1000_MTA, i, hw->mac.mta_shadow[i]); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
356 |
e1e_flush(); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
357 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
358 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
359 |
/** |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
360 |
* e1000e_clear_hw_cntrs_base - Clear base hardware counters |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
361 |
* @hw: pointer to the HW structure |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
362 |
* |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
363 |
* Clears the base hardware counters by reading the counter registers. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
364 |
**/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
365 |
void e1000e_clear_hw_cntrs_base(struct e1000_hw *hw) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
366 |
{ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
367 |
er32(CRCERRS); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
368 |
er32(SYMERRS); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
369 |
er32(MPC); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
370 |
er32(SCC); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
371 |
er32(ECOL); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
372 |
er32(MCC); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
373 |
er32(LATECOL); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
374 |
er32(COLC); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
375 |
er32(DC); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
376 |
er32(SEC); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
377 |
er32(RLEC); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
378 |
er32(XONRXC); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
379 |
er32(XONTXC); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
380 |
er32(XOFFRXC); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
381 |
er32(XOFFTXC); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
382 |
er32(FCRUC); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
383 |
er32(GPRC); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
384 |
er32(BPRC); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
385 |
er32(MPRC); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
386 |
er32(GPTC); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
387 |
er32(GORCL); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
388 |
er32(GORCH); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
389 |
er32(GOTCL); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
390 |
er32(GOTCH); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
391 |
er32(RNBC); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
392 |
er32(RUC); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
393 |
er32(RFC); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
394 |
er32(ROC); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
395 |
er32(RJC); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
396 |
er32(TORL); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
397 |
er32(TORH); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
398 |
er32(TOTL); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
399 |
er32(TOTH); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
400 |
er32(TPR); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
401 |
er32(TPT); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
402 |
er32(MPTC); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
403 |
er32(BPTC); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
404 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
405 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
406 |
/** |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
407 |
* e1000e_check_for_copper_link - Check for link (Copper) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
408 |
* @hw: pointer to the HW structure |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
409 |
* |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
410 |
* Checks to see of the link status of the hardware has changed. If a |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
411 |
* change in link status has been detected, then we read the PHY registers |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
412 |
* to get the current speed/duplex if link exists. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
413 |
**/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
414 |
s32 e1000e_check_for_copper_link(struct e1000_hw *hw) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
415 |
{ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
416 |
struct e1000_mac_info *mac = &hw->mac; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
417 |
s32 ret_val; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
418 |
bool link; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
419 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
420 |
/* We only want to go out to the PHY registers to see if Auto-Neg |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
421 |
* has completed and/or if our link status has changed. The |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
422 |
* get_link_status flag is set upon receiving a Link Status |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
423 |
* Change or Rx Sequence Error interrupt. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
424 |
*/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
425 |
if (!mac->get_link_status) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
426 |
return 0; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
427 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
428 |
/* First we want to see if the MII Status Register reports |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
429 |
* link. If so, then we want to get the current speed/duplex |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
430 |
* of the PHY. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
431 |
*/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
432 |
ret_val = e1000e_phy_has_link_generic(hw, 1, 0, &link); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
433 |
if (ret_val) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
434 |
return ret_val; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
435 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
436 |
if (!link) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
437 |
return 0; /* No link detected */ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
438 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
439 |
mac->get_link_status = false; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
440 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
441 |
/* Check if there was DownShift, must be checked |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
442 |
* immediately after link-up |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
443 |
*/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
444 |
e1000e_check_downshift(hw); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
445 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
446 |
/* If we are forcing speed/duplex, then we simply return since |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
447 |
* we have already determined whether we have link or not. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
448 |
*/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
449 |
if (!mac->autoneg) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
450 |
return -E1000_ERR_CONFIG; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
451 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
452 |
/* Auto-Neg is enabled. Auto Speed Detection takes care |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
453 |
* of MAC speed/duplex configuration. So we only need to |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
454 |
* configure Collision Distance in the MAC. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
455 |
*/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
456 |
mac->ops.config_collision_dist(hw); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
457 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
458 |
/* Configure Flow Control now that Auto-Neg has completed. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
459 |
* First, we need to restore the desired flow control |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
460 |
* settings because we may have had to re-autoneg with a |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
461 |
* different link partner. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
462 |
*/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
463 |
ret_val = e1000e_config_fc_after_link_up(hw); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
464 |
if (ret_val) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
465 |
e_dbg("Error configuring flow control\n"); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
466 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
467 |
return ret_val; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
468 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
469 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
470 |
/** |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
471 |
* e1000e_check_for_fiber_link - Check for link (Fiber) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
472 |
* @hw: pointer to the HW structure |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
473 |
* |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
474 |
* Checks for link up on the hardware. If link is not up and we have |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
475 |
* a signal, then we need to force link up. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
476 |
**/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
477 |
s32 e1000e_check_for_fiber_link(struct e1000_hw *hw) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
478 |
{ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
479 |
struct e1000_mac_info *mac = &hw->mac; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
480 |
u32 rxcw; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
481 |
u32 ctrl; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
482 |
u32 status; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
483 |
s32 ret_val; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
484 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
485 |
ctrl = er32(CTRL); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
486 |
status = er32(STATUS); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
487 |
rxcw = er32(RXCW); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
488 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
489 |
/* If we don't have link (auto-negotiation failed or link partner |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
490 |
* cannot auto-negotiate), the cable is plugged in (we have signal), |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
491 |
* and our link partner is not trying to auto-negotiate with us (we |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
492 |
* are receiving idles or data), we need to force link up. We also |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
493 |
* need to give auto-negotiation time to complete, in case the cable |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
494 |
* was just plugged in. The autoneg_failed flag does this. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
495 |
*/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
496 |
/* (ctrl & E1000_CTRL_SWDPIN1) == 1 == have signal */ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
497 |
if ((ctrl & E1000_CTRL_SWDPIN1) && !(status & E1000_STATUS_LU) && |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
498 |
!(rxcw & E1000_RXCW_C)) { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
499 |
if (!mac->autoneg_failed) { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
500 |
mac->autoneg_failed = true; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
501 |
return 0; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
502 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
503 |
e_dbg("NOT Rx'ing /C/, disable AutoNeg and force link.\n"); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
504 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
505 |
/* Disable auto-negotiation in the TXCW register */ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
506 |
ew32(TXCW, (mac->txcw & ~E1000_TXCW_ANE)); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
507 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
508 |
/* Force link-up and also force full-duplex. */ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
509 |
ctrl = er32(CTRL); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
510 |
ctrl |= (E1000_CTRL_SLU | E1000_CTRL_FD); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
511 |
ew32(CTRL, ctrl); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
512 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
513 |
/* Configure Flow Control after forcing link up. */ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
514 |
ret_val = e1000e_config_fc_after_link_up(hw); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
515 |
if (ret_val) { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
516 |
e_dbg("Error configuring flow control\n"); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
517 |
return ret_val; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
518 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
519 |
} else if ((ctrl & E1000_CTRL_SLU) && (rxcw & E1000_RXCW_C)) { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
520 |
/* If we are forcing link and we are receiving /C/ ordered |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
521 |
* sets, re-enable auto-negotiation in the TXCW register |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
522 |
* and disable forced link in the Device Control register |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
523 |
* in an attempt to auto-negotiate with our link partner. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
524 |
*/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
525 |
e_dbg("Rx'ing /C/, enable AutoNeg and stop forcing link.\n"); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
526 |
ew32(TXCW, mac->txcw); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
527 |
ew32(CTRL, (ctrl & ~E1000_CTRL_SLU)); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
528 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
529 |
mac->serdes_has_link = true; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
530 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
531 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
532 |
return 0; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
533 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
534 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
535 |
/** |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
536 |
* e1000e_check_for_serdes_link - Check for link (Serdes) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
537 |
* @hw: pointer to the HW structure |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
538 |
* |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
539 |
* Checks for link up on the hardware. If link is not up and we have |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
540 |
* a signal, then we need to force link up. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
541 |
**/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
542 |
s32 e1000e_check_for_serdes_link(struct e1000_hw *hw) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
543 |
{ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
544 |
struct e1000_mac_info *mac = &hw->mac; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
545 |
u32 rxcw; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
546 |
u32 ctrl; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
547 |
u32 status; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
548 |
s32 ret_val; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
549 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
550 |
ctrl = er32(CTRL); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
551 |
status = er32(STATUS); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
552 |
rxcw = er32(RXCW); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
553 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
554 |
/* If we don't have link (auto-negotiation failed or link partner |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
555 |
* cannot auto-negotiate), and our link partner is not trying to |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
556 |
* auto-negotiate with us (we are receiving idles or data), |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
557 |
* we need to force link up. We also need to give auto-negotiation |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
558 |
* time to complete. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
559 |
*/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
560 |
/* (ctrl & E1000_CTRL_SWDPIN1) == 1 == have signal */ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
561 |
if (!(status & E1000_STATUS_LU) && !(rxcw & E1000_RXCW_C)) { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
562 |
if (!mac->autoneg_failed) { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
563 |
mac->autoneg_failed = true; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
564 |
return 0; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
565 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
566 |
e_dbg("NOT Rx'ing /C/, disable AutoNeg and force link.\n"); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
567 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
568 |
/* Disable auto-negotiation in the TXCW register */ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
569 |
ew32(TXCW, (mac->txcw & ~E1000_TXCW_ANE)); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
570 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
571 |
/* Force link-up and also force full-duplex. */ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
572 |
ctrl = er32(CTRL); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
573 |
ctrl |= (E1000_CTRL_SLU | E1000_CTRL_FD); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
574 |
ew32(CTRL, ctrl); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
575 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
576 |
/* Configure Flow Control after forcing link up. */ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
577 |
ret_val = e1000e_config_fc_after_link_up(hw); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
578 |
if (ret_val) { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
579 |
e_dbg("Error configuring flow control\n"); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
580 |
return ret_val; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
581 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
582 |
} else if ((ctrl & E1000_CTRL_SLU) && (rxcw & E1000_RXCW_C)) { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
583 |
/* If we are forcing link and we are receiving /C/ ordered |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
584 |
* sets, re-enable auto-negotiation in the TXCW register |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
585 |
* and disable forced link in the Device Control register |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
586 |
* in an attempt to auto-negotiate with our link partner. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
587 |
*/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
588 |
e_dbg("Rx'ing /C/, enable AutoNeg and stop forcing link.\n"); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
589 |
ew32(TXCW, mac->txcw); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
590 |
ew32(CTRL, (ctrl & ~E1000_CTRL_SLU)); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
591 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
592 |
mac->serdes_has_link = true; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
593 |
} else if (!(E1000_TXCW_ANE & er32(TXCW))) { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
594 |
/* If we force link for non-auto-negotiation switch, check |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
595 |
* link status based on MAC synchronization for internal |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
596 |
* serdes media type. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
597 |
*/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
598 |
/* SYNCH bit and IV bit are sticky. */ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
599 |
usleep_range(10, 20); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
600 |
rxcw = er32(RXCW); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
601 |
if (rxcw & E1000_RXCW_SYNCH) { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
602 |
if (!(rxcw & E1000_RXCW_IV)) { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
603 |
mac->serdes_has_link = true; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
604 |
e_dbg("SERDES: Link up - forced.\n"); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
605 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
606 |
} else { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
607 |
mac->serdes_has_link = false; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
608 |
e_dbg("SERDES: Link down - force failed.\n"); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
609 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
610 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
611 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
612 |
if (E1000_TXCW_ANE & er32(TXCW)) { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
613 |
status = er32(STATUS); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
614 |
if (status & E1000_STATUS_LU) { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
615 |
/* SYNCH bit and IV bit are sticky, so reread rxcw. */ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
616 |
usleep_range(10, 20); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
617 |
rxcw = er32(RXCW); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
618 |
if (rxcw & E1000_RXCW_SYNCH) { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
619 |
if (!(rxcw & E1000_RXCW_IV)) { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
620 |
mac->serdes_has_link = true; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
621 |
e_dbg("SERDES: Link up - autoneg completed successfully.\n"); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
622 |
} else { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
623 |
mac->serdes_has_link = false; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
624 |
e_dbg("SERDES: Link down - invalid codewords detected in autoneg.\n"); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
625 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
626 |
} else { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
627 |
mac->serdes_has_link = false; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
628 |
e_dbg("SERDES: Link down - no sync.\n"); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
629 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
630 |
} else { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
631 |
mac->serdes_has_link = false; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
632 |
e_dbg("SERDES: Link down - autoneg failed\n"); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
633 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
634 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
635 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
636 |
return 0; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
637 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
638 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
639 |
/** |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
640 |
* e1000_set_default_fc_generic - Set flow control default values |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
641 |
* @hw: pointer to the HW structure |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
642 |
* |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
643 |
* Read the EEPROM for the default values for flow control and store the |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
644 |
* values. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
645 |
**/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
646 |
static s32 e1000_set_default_fc_generic(struct e1000_hw *hw) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
647 |
{ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
648 |
s32 ret_val; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
649 |
u16 nvm_data; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
650 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
651 |
/* Read and store word 0x0F of the EEPROM. This word contains bits |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
652 |
* that determine the hardware's default PAUSE (flow control) mode, |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
653 |
* a bit that determines whether the HW defaults to enabling or |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
654 |
* disabling auto-negotiation, and the direction of the |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
655 |
* SW defined pins. If there is no SW over-ride of the flow |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
656 |
* control setting, then the variable hw->fc will |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
657 |
* be initialized based on a value in the EEPROM. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
658 |
*/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
659 |
ret_val = e1000_read_nvm(hw, NVM_INIT_CONTROL2_REG, 1, &nvm_data); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
660 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
661 |
if (ret_val) { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
662 |
e_dbg("NVM Read Error\n"); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
663 |
return ret_val; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
664 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
665 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
666 |
if (!(nvm_data & NVM_WORD0F_PAUSE_MASK)) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
667 |
hw->fc.requested_mode = e1000_fc_none; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
668 |
else if ((nvm_data & NVM_WORD0F_PAUSE_MASK) == NVM_WORD0F_ASM_DIR) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
669 |
hw->fc.requested_mode = e1000_fc_tx_pause; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
670 |
else |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
671 |
hw->fc.requested_mode = e1000_fc_full; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
672 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
673 |
return 0; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
674 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
675 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
676 |
/** |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
677 |
* e1000e_setup_link_generic - Setup flow control and link settings |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
678 |
* @hw: pointer to the HW structure |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
679 |
* |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
680 |
* Determines which flow control settings to use, then configures flow |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
681 |
* control. Calls the appropriate media-specific link configuration |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
682 |
* function. Assuming the adapter has a valid link partner, a valid link |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
683 |
* should be established. Assumes the hardware has previously been reset |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
684 |
* and the transmitter and receiver are not enabled. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
685 |
**/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
686 |
s32 e1000e_setup_link_generic(struct e1000_hw *hw) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
687 |
{ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
688 |
s32 ret_val; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
689 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
690 |
/* In the case of the phy reset being blocked, we already have a link. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
691 |
* We do not need to set it up again. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
692 |
*/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
693 |
if (hw->phy.ops.check_reset_block && hw->phy.ops.check_reset_block(hw)) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
694 |
return 0; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
695 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
696 |
/* If requested flow control is set to default, set flow control |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
697 |
* based on the EEPROM flow control settings. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
698 |
*/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
699 |
if (hw->fc.requested_mode == e1000_fc_default) { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
700 |
ret_val = e1000_set_default_fc_generic(hw); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
701 |
if (ret_val) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
702 |
return ret_val; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
703 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
704 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
705 |
/* Save off the requested flow control mode for use later. Depending |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
706 |
* on the link partner's capabilities, we may or may not use this mode. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
707 |
*/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
708 |
hw->fc.current_mode = hw->fc.requested_mode; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
709 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
710 |
e_dbg("After fix-ups FlowControl is now = %x\n", hw->fc.current_mode); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
711 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
712 |
/* Call the necessary media_type subroutine to configure the link. */ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
713 |
ret_val = hw->mac.ops.setup_physical_interface(hw); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
714 |
if (ret_val) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
715 |
return ret_val; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
716 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
717 |
/* Initialize the flow control address, type, and PAUSE timer |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
718 |
* registers to their default values. This is done even if flow |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
719 |
* control is disabled, because it does not hurt anything to |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
720 |
* initialize these registers. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
721 |
*/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
722 |
e_dbg("Initializing the Flow Control address, type and timer regs\n"); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
723 |
ew32(FCT, FLOW_CONTROL_TYPE); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
724 |
ew32(FCAH, FLOW_CONTROL_ADDRESS_HIGH); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
725 |
ew32(FCAL, FLOW_CONTROL_ADDRESS_LOW); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
726 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
727 |
ew32(FCTTV, hw->fc.pause_time); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
728 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
729 |
return e1000e_set_fc_watermarks(hw); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
730 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
731 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
732 |
/** |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
733 |
* e1000_commit_fc_settings_generic - Configure flow control |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
734 |
* @hw: pointer to the HW structure |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
735 |
* |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
736 |
* Write the flow control settings to the Transmit Config Word Register (TXCW) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
737 |
* base on the flow control settings in e1000_mac_info. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
738 |
**/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
739 |
static s32 e1000_commit_fc_settings_generic(struct e1000_hw *hw) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
740 |
{ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
741 |
struct e1000_mac_info *mac = &hw->mac; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
742 |
u32 txcw; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
743 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
744 |
/* Check for a software override of the flow control settings, and |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
745 |
* setup the device accordingly. If auto-negotiation is enabled, then |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
746 |
* software will have to set the "PAUSE" bits to the correct value in |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
747 |
* the Transmit Config Word Register (TXCW) and re-start auto- |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
748 |
* negotiation. However, if auto-negotiation is disabled, then |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
749 |
* software will have to manually configure the two flow control enable |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
750 |
* bits in the CTRL register. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
751 |
* |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
752 |
* The possible values of the "fc" parameter are: |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
753 |
* 0: Flow control is completely disabled |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
754 |
* 1: Rx flow control is enabled (we can receive pause frames, |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
755 |
* but not send pause frames). |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
756 |
* 2: Tx flow control is enabled (we can send pause frames but we |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
757 |
* do not support receiving pause frames). |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
758 |
* 3: Both Rx and Tx flow control (symmetric) are enabled. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
759 |
*/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
760 |
switch (hw->fc.current_mode) { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
761 |
case e1000_fc_none: |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
762 |
/* Flow control completely disabled by a software over-ride. */ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
763 |
txcw = (E1000_TXCW_ANE | E1000_TXCW_FD); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
764 |
break; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
765 |
case e1000_fc_rx_pause: |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
766 |
/* Rx Flow control is enabled and Tx Flow control is disabled |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
767 |
* by a software over-ride. Since there really isn't a way to |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
768 |
* advertise that we are capable of Rx Pause ONLY, we will |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
769 |
* advertise that we support both symmetric and asymmetric Rx |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
770 |
* PAUSE. Later, we will disable the adapter's ability to send |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
771 |
* PAUSE frames. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
772 |
*/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
773 |
txcw = (E1000_TXCW_ANE | E1000_TXCW_FD | E1000_TXCW_PAUSE_MASK); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
774 |
break; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
775 |
case e1000_fc_tx_pause: |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
776 |
/* Tx Flow control is enabled, and Rx Flow control is disabled, |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
777 |
* by a software over-ride. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
778 |
*/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
779 |
txcw = (E1000_TXCW_ANE | E1000_TXCW_FD | E1000_TXCW_ASM_DIR); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
780 |
break; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
781 |
case e1000_fc_full: |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
782 |
/* Flow control (both Rx and Tx) is enabled by a software |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
783 |
* over-ride. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
784 |
*/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
785 |
txcw = (E1000_TXCW_ANE | E1000_TXCW_FD | E1000_TXCW_PAUSE_MASK); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
786 |
break; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
787 |
default: |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
788 |
e_dbg("Flow control param set incorrectly\n"); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
789 |
return -E1000_ERR_CONFIG; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
790 |
break; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
791 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
792 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
793 |
ew32(TXCW, txcw); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
794 |
mac->txcw = txcw; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
795 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
796 |
return 0; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
797 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
798 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
799 |
/** |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
800 |
* e1000_poll_fiber_serdes_link_generic - Poll for link up |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
801 |
* @hw: pointer to the HW structure |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
802 |
* |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
803 |
* Polls for link up by reading the status register, if link fails to come |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
804 |
* up with auto-negotiation, then the link is forced if a signal is detected. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
805 |
**/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
806 |
static s32 e1000_poll_fiber_serdes_link_generic(struct e1000_hw *hw) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
807 |
{ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
808 |
struct e1000_mac_info *mac = &hw->mac; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
809 |
u32 i, status; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
810 |
s32 ret_val; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
811 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
812 |
/* If we have a signal (the cable is plugged in, or assumed true for |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
813 |
* serdes media) then poll for a "Link-Up" indication in the Device |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
814 |
* Status Register. Time-out if a link isn't seen in 500 milliseconds |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
815 |
* seconds (Auto-negotiation should complete in less than 500 |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
816 |
* milliseconds even if the other end is doing it in SW). |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
817 |
*/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
818 |
for (i = 0; i < FIBER_LINK_UP_LIMIT; i++) { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
819 |
usleep_range(10000, 20000); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
820 |
status = er32(STATUS); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
821 |
if (status & E1000_STATUS_LU) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
822 |
break; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
823 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
824 |
if (i == FIBER_LINK_UP_LIMIT) { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
825 |
e_dbg("Never got a valid link from auto-neg!!!\n"); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
826 |
mac->autoneg_failed = true; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
827 |
/* AutoNeg failed to achieve a link, so we'll call |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
828 |
* mac->check_for_link. This routine will force the |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
829 |
* link up if we detect a signal. This will allow us to |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
830 |
* communicate with non-autonegotiating link partners. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
831 |
*/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
832 |
ret_val = mac->ops.check_for_link(hw); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
833 |
if (ret_val) { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
834 |
e_dbg("Error while checking for link\n"); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
835 |
return ret_val; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
836 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
837 |
mac->autoneg_failed = false; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
838 |
} else { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
839 |
mac->autoneg_failed = false; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
840 |
e_dbg("Valid Link Found\n"); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
841 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
842 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
843 |
return 0; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
844 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
845 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
846 |
/** |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
847 |
* e1000e_setup_fiber_serdes_link - Setup link for fiber/serdes |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
848 |
* @hw: pointer to the HW structure |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
849 |
* |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
850 |
* Configures collision distance and flow control for fiber and serdes |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
851 |
* links. Upon successful setup, poll for link. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
852 |
**/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
853 |
s32 e1000e_setup_fiber_serdes_link(struct e1000_hw *hw) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
854 |
{ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
855 |
u32 ctrl; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
856 |
s32 ret_val; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
857 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
858 |
ctrl = er32(CTRL); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
859 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
860 |
/* Take the link out of reset */ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
861 |
ctrl &= ~E1000_CTRL_LRST; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
862 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
863 |
hw->mac.ops.config_collision_dist(hw); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
864 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
865 |
ret_val = e1000_commit_fc_settings_generic(hw); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
866 |
if (ret_val) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
867 |
return ret_val; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
868 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
869 |
/* Since auto-negotiation is enabled, take the link out of reset (the |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
870 |
* link will be in reset, because we previously reset the chip). This |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
871 |
* will restart auto-negotiation. If auto-negotiation is successful |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
872 |
* then the link-up status bit will be set and the flow control enable |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
873 |
* bits (RFCE and TFCE) will be set according to their negotiated value. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
874 |
*/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
875 |
e_dbg("Auto-negotiation enabled\n"); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
876 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
877 |
ew32(CTRL, ctrl); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
878 |
e1e_flush(); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
879 |
usleep_range(1000, 2000); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
880 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
881 |
/* For these adapters, the SW definable pin 1 is set when the optics |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
882 |
* detect a signal. If we have a signal, then poll for a "Link-Up" |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
883 |
* indication. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
884 |
*/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
885 |
if (hw->phy.media_type == e1000_media_type_internal_serdes || |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
886 |
(er32(CTRL) & E1000_CTRL_SWDPIN1)) { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
887 |
ret_val = e1000_poll_fiber_serdes_link_generic(hw); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
888 |
} else { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
889 |
e_dbg("No signal detected\n"); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
890 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
891 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
892 |
return ret_val; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
893 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
894 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
895 |
/** |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
896 |
* e1000e_config_collision_dist_generic - Configure collision distance |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
897 |
* @hw: pointer to the HW structure |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
898 |
* |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
899 |
* Configures the collision distance to the default value and is used |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
900 |
* during link setup. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
901 |
**/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
902 |
void e1000e_config_collision_dist_generic(struct e1000_hw *hw) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
903 |
{ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
904 |
u32 tctl; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
905 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
906 |
tctl = er32(TCTL); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
907 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
908 |
tctl &= ~E1000_TCTL_COLD; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
909 |
tctl |= E1000_COLLISION_DISTANCE << E1000_COLD_SHIFT; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
910 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
911 |
ew32(TCTL, tctl); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
912 |
e1e_flush(); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
913 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
914 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
915 |
/** |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
916 |
* e1000e_set_fc_watermarks - Set flow control high/low watermarks |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
917 |
* @hw: pointer to the HW structure |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
918 |
* |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
919 |
* Sets the flow control high/low threshold (watermark) registers. If |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
920 |
* flow control XON frame transmission is enabled, then set XON frame |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
921 |
* transmission as well. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
922 |
**/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
923 |
s32 e1000e_set_fc_watermarks(struct e1000_hw *hw) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
924 |
{ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
925 |
u32 fcrtl = 0, fcrth = 0; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
926 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
927 |
/* Set the flow control receive threshold registers. Normally, |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
928 |
* these registers will be set to a default threshold that may be |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
929 |
* adjusted later by the driver's runtime code. However, if the |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
930 |
* ability to transmit pause frames is not enabled, then these |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
931 |
* registers will be set to 0. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
932 |
*/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
933 |
if (hw->fc.current_mode & e1000_fc_tx_pause) { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
934 |
/* We need to set up the Receive Threshold high and low water |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
935 |
* marks as well as (optionally) enabling the transmission of |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
936 |
* XON frames. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
937 |
*/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
938 |
fcrtl = hw->fc.low_water; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
939 |
if (hw->fc.send_xon) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
940 |
fcrtl |= E1000_FCRTL_XONE; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
941 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
942 |
fcrth = hw->fc.high_water; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
943 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
944 |
ew32(FCRTL, fcrtl); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
945 |
ew32(FCRTH, fcrth); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
946 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
947 |
return 0; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
948 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
949 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
950 |
/** |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
951 |
* e1000e_force_mac_fc - Force the MAC's flow control settings |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
952 |
* @hw: pointer to the HW structure |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
953 |
* |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
954 |
* Force the MAC's flow control settings. Sets the TFCE and RFCE bits in the |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
955 |
* device control register to reflect the adapter settings. TFCE and RFCE |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
956 |
* need to be explicitly set by software when a copper PHY is used because |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
957 |
* autonegotiation is managed by the PHY rather than the MAC. Software must |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
958 |
* also configure these bits when link is forced on a fiber connection. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
959 |
**/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
960 |
s32 e1000e_force_mac_fc(struct e1000_hw *hw) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
961 |
{ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
962 |
u32 ctrl; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
963 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
964 |
ctrl = er32(CTRL); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
965 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
966 |
/* Because we didn't get link via the internal auto-negotiation |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
967 |
* mechanism (we either forced link or we got link via PHY |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
968 |
* auto-neg), we have to manually enable/disable transmit an |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
969 |
* receive flow control. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
970 |
* |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
971 |
* The "Case" statement below enables/disable flow control |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
972 |
* according to the "hw->fc.current_mode" parameter. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
973 |
* |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
974 |
* The possible values of the "fc" parameter are: |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
975 |
* 0: Flow control is completely disabled |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
976 |
* 1: Rx flow control is enabled (we can receive pause |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
977 |
* frames but not send pause frames). |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
978 |
* 2: Tx flow control is enabled (we can send pause frames |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
979 |
* frames but we do not receive pause frames). |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
980 |
* 3: Both Rx and Tx flow control (symmetric) is enabled. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
981 |
* other: No other values should be possible at this point. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
982 |
*/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
983 |
e_dbg("hw->fc.current_mode = %u\n", hw->fc.current_mode); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
984 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
985 |
switch (hw->fc.current_mode) { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
986 |
case e1000_fc_none: |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
987 |
ctrl &= (~(E1000_CTRL_TFCE | E1000_CTRL_RFCE)); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
988 |
break; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
989 |
case e1000_fc_rx_pause: |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
990 |
ctrl &= (~E1000_CTRL_TFCE); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
991 |
ctrl |= E1000_CTRL_RFCE; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
992 |
break; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
993 |
case e1000_fc_tx_pause: |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
994 |
ctrl &= (~E1000_CTRL_RFCE); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
995 |
ctrl |= E1000_CTRL_TFCE; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
996 |
break; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
997 |
case e1000_fc_full: |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
998 |
ctrl |= (E1000_CTRL_TFCE | E1000_CTRL_RFCE); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
999 |
break; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1000 |
default: |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1001 |
e_dbg("Flow control param set incorrectly\n"); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1002 |
return -E1000_ERR_CONFIG; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1003 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1004 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1005 |
ew32(CTRL, ctrl); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1006 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1007 |
return 0; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1008 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1009 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1010 |
/** |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1011 |
* e1000e_config_fc_after_link_up - Configures flow control after link |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1012 |
* @hw: pointer to the HW structure |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1013 |
* |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1014 |
* Checks the status of auto-negotiation after link up to ensure that the |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1015 |
* speed and duplex were not forced. If the link needed to be forced, then |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1016 |
* flow control needs to be forced also. If auto-negotiation is enabled |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1017 |
* and did not fail, then we configure flow control based on our link |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1018 |
* partner. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1019 |
**/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1020 |
s32 e1000e_config_fc_after_link_up(struct e1000_hw *hw) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1021 |
{ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1022 |
struct e1000_mac_info *mac = &hw->mac; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1023 |
s32 ret_val = 0; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1024 |
u32 pcs_status_reg, pcs_adv_reg, pcs_lp_ability_reg, pcs_ctrl_reg; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1025 |
u16 mii_status_reg, mii_nway_adv_reg, mii_nway_lp_ability_reg; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1026 |
u16 speed, duplex; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1027 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1028 |
/* Check for the case where we have fiber media and auto-neg failed |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1029 |
* so we had to force link. In this case, we need to force the |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1030 |
* configuration of the MAC to match the "fc" parameter. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1031 |
*/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1032 |
if (mac->autoneg_failed) { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1033 |
if (hw->phy.media_type == e1000_media_type_fiber || |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1034 |
hw->phy.media_type == e1000_media_type_internal_serdes) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1035 |
ret_val = e1000e_force_mac_fc(hw); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1036 |
} else { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1037 |
if (hw->phy.media_type == e1000_media_type_copper) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1038 |
ret_val = e1000e_force_mac_fc(hw); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1039 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1040 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1041 |
if (ret_val) { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1042 |
e_dbg("Error forcing flow control settings\n"); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1043 |
return ret_val; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1044 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1045 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1046 |
/* Check for the case where we have copper media and auto-neg is |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1047 |
* enabled. In this case, we need to check and see if Auto-Neg |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1048 |
* has completed, and if so, how the PHY and link partner has |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1049 |
* flow control configured. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1050 |
*/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1051 |
if ((hw->phy.media_type == e1000_media_type_copper) && mac->autoneg) { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1052 |
/* Read the MII Status Register and check to see if AutoNeg |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1053 |
* has completed. We read this twice because this reg has |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1054 |
* some "sticky" (latched) bits. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1055 |
*/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1056 |
ret_val = e1e_rphy(hw, MII_BMSR, &mii_status_reg); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1057 |
if (ret_val) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1058 |
return ret_val; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1059 |
ret_val = e1e_rphy(hw, MII_BMSR, &mii_status_reg); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1060 |
if (ret_val) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1061 |
return ret_val; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1062 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1063 |
if (!(mii_status_reg & BMSR_ANEGCOMPLETE)) { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1064 |
e_dbg("Copper PHY and Auto Neg has not completed.\n"); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1065 |
return ret_val; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1066 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1067 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1068 |
/* The AutoNeg process has completed, so we now need to |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1069 |
* read both the Auto Negotiation Advertisement |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1070 |
* Register (Address 4) and the Auto_Negotiation Base |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1071 |
* Page Ability Register (Address 5) to determine how |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1072 |
* flow control was negotiated. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1073 |
*/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1074 |
ret_val = e1e_rphy(hw, MII_ADVERTISE, &mii_nway_adv_reg); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1075 |
if (ret_val) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1076 |
return ret_val; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1077 |
ret_val = e1e_rphy(hw, MII_LPA, &mii_nway_lp_ability_reg); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1078 |
if (ret_val) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1079 |
return ret_val; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1080 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1081 |
/* Two bits in the Auto Negotiation Advertisement Register |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1082 |
* (Address 4) and two bits in the Auto Negotiation Base |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1083 |
* Page Ability Register (Address 5) determine flow control |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1084 |
* for both the PHY and the link partner. The following |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1085 |
* table, taken out of the IEEE 802.3ab/D6.0 dated March 25, |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1086 |
* 1999, describes these PAUSE resolution bits and how flow |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1087 |
* control is determined based upon these settings. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1088 |
* NOTE: DC = Don't Care |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1089 |
* |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1090 |
* LOCAL DEVICE | LINK PARTNER |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1091 |
* PAUSE | ASM_DIR | PAUSE | ASM_DIR | NIC Resolution |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1092 |
*-------|---------|-------|---------|-------------------- |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1093 |
* 0 | 0 | DC | DC | e1000_fc_none |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1094 |
* 0 | 1 | 0 | DC | e1000_fc_none |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1095 |
* 0 | 1 | 1 | 0 | e1000_fc_none |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1096 |
* 0 | 1 | 1 | 1 | e1000_fc_tx_pause |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1097 |
* 1 | 0 | 0 | DC | e1000_fc_none |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1098 |
* 1 | DC | 1 | DC | e1000_fc_full |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1099 |
* 1 | 1 | 0 | 0 | e1000_fc_none |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1100 |
* 1 | 1 | 0 | 1 | e1000_fc_rx_pause |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1101 |
* |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1102 |
* Are both PAUSE bits set to 1? If so, this implies |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1103 |
* Symmetric Flow Control is enabled at both ends. The |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1104 |
* ASM_DIR bits are irrelevant per the spec. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1105 |
* |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1106 |
* For Symmetric Flow Control: |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1107 |
* |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1108 |
* LOCAL DEVICE | LINK PARTNER |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1109 |
* PAUSE | ASM_DIR | PAUSE | ASM_DIR | Result |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1110 |
*-------|---------|-------|---------|-------------------- |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1111 |
* 1 | DC | 1 | DC | E1000_fc_full |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1112 |
* |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1113 |
*/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1114 |
if ((mii_nway_adv_reg & ADVERTISE_PAUSE_CAP) && |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1115 |
(mii_nway_lp_ability_reg & LPA_PAUSE_CAP)) { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1116 |
/* Now we need to check if the user selected Rx ONLY |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1117 |
* of pause frames. In this case, we had to advertise |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1118 |
* FULL flow control because we could not advertise Rx |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1119 |
* ONLY. Hence, we must now check to see if we need to |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1120 |
* turn OFF the TRANSMISSION of PAUSE frames. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1121 |
*/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1122 |
if (hw->fc.requested_mode == e1000_fc_full) { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1123 |
hw->fc.current_mode = e1000_fc_full; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1124 |
e_dbg("Flow Control = FULL.\n"); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1125 |
} else { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1126 |
hw->fc.current_mode = e1000_fc_rx_pause; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1127 |
e_dbg("Flow Control = Rx PAUSE frames only.\n"); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1128 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1129 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1130 |
/* For receiving PAUSE frames ONLY. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1131 |
* |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1132 |
* LOCAL DEVICE | LINK PARTNER |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1133 |
* PAUSE | ASM_DIR | PAUSE | ASM_DIR | Result |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1134 |
*-------|---------|-------|---------|-------------------- |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1135 |
* 0 | 1 | 1 | 1 | e1000_fc_tx_pause |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1136 |
*/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1137 |
else if (!(mii_nway_adv_reg & ADVERTISE_PAUSE_CAP) && |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1138 |
(mii_nway_adv_reg & ADVERTISE_PAUSE_ASYM) && |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1139 |
(mii_nway_lp_ability_reg & LPA_PAUSE_CAP) && |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1140 |
(mii_nway_lp_ability_reg & LPA_PAUSE_ASYM)) { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1141 |
hw->fc.current_mode = e1000_fc_tx_pause; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1142 |
e_dbg("Flow Control = Tx PAUSE frames only.\n"); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1143 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1144 |
/* For transmitting PAUSE frames ONLY. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1145 |
* |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1146 |
* LOCAL DEVICE | LINK PARTNER |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1147 |
* PAUSE | ASM_DIR | PAUSE | ASM_DIR | Result |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1148 |
*-------|---------|-------|---------|-------------------- |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1149 |
* 1 | 1 | 0 | 1 | e1000_fc_rx_pause |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1150 |
*/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1151 |
else if ((mii_nway_adv_reg & ADVERTISE_PAUSE_CAP) && |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1152 |
(mii_nway_adv_reg & ADVERTISE_PAUSE_ASYM) && |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1153 |
!(mii_nway_lp_ability_reg & LPA_PAUSE_CAP) && |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1154 |
(mii_nway_lp_ability_reg & LPA_PAUSE_ASYM)) { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1155 |
hw->fc.current_mode = e1000_fc_rx_pause; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1156 |
e_dbg("Flow Control = Rx PAUSE frames only.\n"); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1157 |
} else { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1158 |
/* Per the IEEE spec, at this point flow control |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1159 |
* should be disabled. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1160 |
*/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1161 |
hw->fc.current_mode = e1000_fc_none; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1162 |
e_dbg("Flow Control = NONE.\n"); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1163 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1164 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1165 |
/* Now we need to do one last check... If we auto- |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1166 |
* negotiated to HALF DUPLEX, flow control should not be |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1167 |
* enabled per IEEE 802.3 spec. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1168 |
*/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1169 |
ret_val = mac->ops.get_link_up_info(hw, &speed, &duplex); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1170 |
if (ret_val) { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1171 |
e_dbg("Error getting link speed and duplex\n"); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1172 |
return ret_val; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1173 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1174 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1175 |
if (duplex == HALF_DUPLEX) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1176 |
hw->fc.current_mode = e1000_fc_none; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1177 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1178 |
/* Now we call a subroutine to actually force the MAC |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1179 |
* controller to use the correct flow control settings. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1180 |
*/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1181 |
ret_val = e1000e_force_mac_fc(hw); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1182 |
if (ret_val) { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1183 |
e_dbg("Error forcing flow control settings\n"); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1184 |
return ret_val; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1185 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1186 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1187 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1188 |
/* Check for the case where we have SerDes media and auto-neg is |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1189 |
* enabled. In this case, we need to check and see if Auto-Neg |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1190 |
* has completed, and if so, how the PHY and link partner has |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1191 |
* flow control configured. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1192 |
*/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1193 |
if ((hw->phy.media_type == e1000_media_type_internal_serdes) && |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1194 |
mac->autoneg) { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1195 |
/* Read the PCS_LSTS and check to see if AutoNeg |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1196 |
* has completed. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1197 |
*/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1198 |
pcs_status_reg = er32(PCS_LSTAT); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1199 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1200 |
if (!(pcs_status_reg & E1000_PCS_LSTS_AN_COMPLETE)) { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1201 |
e_dbg("PCS Auto Neg has not completed.\n"); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1202 |
return ret_val; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1203 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1204 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1205 |
/* The AutoNeg process has completed, so we now need to |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1206 |
* read both the Auto Negotiation Advertisement |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1207 |
* Register (PCS_ANADV) and the Auto_Negotiation Base |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1208 |
* Page Ability Register (PCS_LPAB) to determine how |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1209 |
* flow control was negotiated. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1210 |
*/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1211 |
pcs_adv_reg = er32(PCS_ANADV); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1212 |
pcs_lp_ability_reg = er32(PCS_LPAB); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1213 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1214 |
/* Two bits in the Auto Negotiation Advertisement Register |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1215 |
* (PCS_ANADV) and two bits in the Auto Negotiation Base |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1216 |
* Page Ability Register (PCS_LPAB) determine flow control |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1217 |
* for both the PHY and the link partner. The following |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1218 |
* table, taken out of the IEEE 802.3ab/D6.0 dated March 25, |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1219 |
* 1999, describes these PAUSE resolution bits and how flow |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1220 |
* control is determined based upon these settings. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1221 |
* NOTE: DC = Don't Care |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1222 |
* |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1223 |
* LOCAL DEVICE | LINK PARTNER |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1224 |
* PAUSE | ASM_DIR | PAUSE | ASM_DIR | NIC Resolution |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1225 |
*-------|---------|-------|---------|-------------------- |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1226 |
* 0 | 0 | DC | DC | e1000_fc_none |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1227 |
* 0 | 1 | 0 | DC | e1000_fc_none |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1228 |
* 0 | 1 | 1 | 0 | e1000_fc_none |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1229 |
* 0 | 1 | 1 | 1 | e1000_fc_tx_pause |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1230 |
* 1 | 0 | 0 | DC | e1000_fc_none |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1231 |
* 1 | DC | 1 | DC | e1000_fc_full |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1232 |
* 1 | 1 | 0 | 0 | e1000_fc_none |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1233 |
* 1 | 1 | 0 | 1 | e1000_fc_rx_pause |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1234 |
* |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1235 |
* Are both PAUSE bits set to 1? If so, this implies |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1236 |
* Symmetric Flow Control is enabled at both ends. The |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1237 |
* ASM_DIR bits are irrelevant per the spec. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1238 |
* |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1239 |
* For Symmetric Flow Control: |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1240 |
* |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1241 |
* LOCAL DEVICE | LINK PARTNER |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1242 |
* PAUSE | ASM_DIR | PAUSE | ASM_DIR | Result |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1243 |
*-------|---------|-------|---------|-------------------- |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1244 |
* 1 | DC | 1 | DC | e1000_fc_full |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1245 |
* |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1246 |
*/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1247 |
if ((pcs_adv_reg & E1000_TXCW_PAUSE) && |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1248 |
(pcs_lp_ability_reg & E1000_TXCW_PAUSE)) { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1249 |
/* Now we need to check if the user selected Rx ONLY |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1250 |
* of pause frames. In this case, we had to advertise |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1251 |
* FULL flow control because we could not advertise Rx |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1252 |
* ONLY. Hence, we must now check to see if we need to |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1253 |
* turn OFF the TRANSMISSION of PAUSE frames. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1254 |
*/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1255 |
if (hw->fc.requested_mode == e1000_fc_full) { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1256 |
hw->fc.current_mode = e1000_fc_full; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1257 |
e_dbg("Flow Control = FULL.\n"); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1258 |
} else { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1259 |
hw->fc.current_mode = e1000_fc_rx_pause; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1260 |
e_dbg("Flow Control = Rx PAUSE frames only.\n"); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1261 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1262 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1263 |
/* For receiving PAUSE frames ONLY. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1264 |
* |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1265 |
* LOCAL DEVICE | LINK PARTNER |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1266 |
* PAUSE | ASM_DIR | PAUSE | ASM_DIR | Result |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1267 |
*-------|---------|-------|---------|-------------------- |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1268 |
* 0 | 1 | 1 | 1 | e1000_fc_tx_pause |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1269 |
*/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1270 |
else if (!(pcs_adv_reg & E1000_TXCW_PAUSE) && |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1271 |
(pcs_adv_reg & E1000_TXCW_ASM_DIR) && |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1272 |
(pcs_lp_ability_reg & E1000_TXCW_PAUSE) && |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1273 |
(pcs_lp_ability_reg & E1000_TXCW_ASM_DIR)) { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1274 |
hw->fc.current_mode = e1000_fc_tx_pause; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1275 |
e_dbg("Flow Control = Tx PAUSE frames only.\n"); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1276 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1277 |
/* For transmitting PAUSE frames ONLY. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1278 |
* |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1279 |
* LOCAL DEVICE | LINK PARTNER |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1280 |
* PAUSE | ASM_DIR | PAUSE | ASM_DIR | Result |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1281 |
*-------|---------|-------|---------|-------------------- |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1282 |
* 1 | 1 | 0 | 1 | e1000_fc_rx_pause |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1283 |
*/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1284 |
else if ((pcs_adv_reg & E1000_TXCW_PAUSE) && |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1285 |
(pcs_adv_reg & E1000_TXCW_ASM_DIR) && |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1286 |
!(pcs_lp_ability_reg & E1000_TXCW_PAUSE) && |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1287 |
(pcs_lp_ability_reg & E1000_TXCW_ASM_DIR)) { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1288 |
hw->fc.current_mode = e1000_fc_rx_pause; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1289 |
e_dbg("Flow Control = Rx PAUSE frames only.\n"); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1290 |
} else { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1291 |
/* Per the IEEE spec, at this point flow control |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1292 |
* should be disabled. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1293 |
*/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1294 |
hw->fc.current_mode = e1000_fc_none; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1295 |
e_dbg("Flow Control = NONE.\n"); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1296 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1297 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1298 |
/* Now we call a subroutine to actually force the MAC |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1299 |
* controller to use the correct flow control settings. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1300 |
*/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1301 |
pcs_ctrl_reg = er32(PCS_LCTL); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1302 |
pcs_ctrl_reg |= E1000_PCS_LCTL_FORCE_FCTRL; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1303 |
ew32(PCS_LCTL, pcs_ctrl_reg); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1304 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1305 |
ret_val = e1000e_force_mac_fc(hw); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1306 |
if (ret_val) { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1307 |
e_dbg("Error forcing flow control settings\n"); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1308 |
return ret_val; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1309 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1310 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1311 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1312 |
return 0; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1313 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1314 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1315 |
/** |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1316 |
* e1000e_get_speed_and_duplex_copper - Retrieve current speed/duplex |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1317 |
* @hw: pointer to the HW structure |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1318 |
* @speed: stores the current speed |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1319 |
* @duplex: stores the current duplex |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1320 |
* |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1321 |
* Read the status register for the current speed/duplex and store the current |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1322 |
* speed and duplex for copper connections. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1323 |
**/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1324 |
s32 e1000e_get_speed_and_duplex_copper(struct e1000_hw *hw, u16 *speed, |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1325 |
u16 *duplex) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1326 |
{ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1327 |
u32 status; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1328 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1329 |
status = er32(STATUS); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1330 |
if (status & E1000_STATUS_SPEED_1000) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1331 |
*speed = SPEED_1000; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1332 |
else if (status & E1000_STATUS_SPEED_100) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1333 |
*speed = SPEED_100; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1334 |
else |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1335 |
*speed = SPEED_10; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1336 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1337 |
if (status & E1000_STATUS_FD) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1338 |
*duplex = FULL_DUPLEX; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1339 |
else |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1340 |
*duplex = HALF_DUPLEX; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1341 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1342 |
e_dbg("%u Mbps, %s Duplex\n", |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1343 |
*speed == SPEED_1000 ? 1000 : *speed == SPEED_100 ? 100 : 10, |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1344 |
*duplex == FULL_DUPLEX ? "Full" : "Half"); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1345 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1346 |
return 0; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1347 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1348 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1349 |
/** |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1350 |
* e1000e_get_speed_and_duplex_fiber_serdes - Retrieve current speed/duplex |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1351 |
* @hw: pointer to the HW structure |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1352 |
* @speed: stores the current speed |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1353 |
* @duplex: stores the current duplex |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1354 |
* |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1355 |
* Sets the speed and duplex to gigabit full duplex (the only possible option) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1356 |
* for fiber/serdes links. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1357 |
**/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1358 |
s32 e1000e_get_speed_and_duplex_fiber_serdes(struct e1000_hw __always_unused |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1359 |
*hw, u16 *speed, u16 *duplex) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1360 |
{ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1361 |
*speed = SPEED_1000; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1362 |
*duplex = FULL_DUPLEX; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1363 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1364 |
return 0; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1365 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1366 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1367 |
/** |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1368 |
* e1000e_get_hw_semaphore - Acquire hardware semaphore |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1369 |
* @hw: pointer to the HW structure |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1370 |
* |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1371 |
* Acquire the HW semaphore to access the PHY or NVM |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1372 |
**/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1373 |
s32 e1000e_get_hw_semaphore(struct e1000_hw *hw) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1374 |
{ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1375 |
u32 swsm; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1376 |
s32 timeout = hw->nvm.word_size + 1; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1377 |
s32 i = 0; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1378 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1379 |
/* Get the SW semaphore */ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1380 |
while (i < timeout) { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1381 |
swsm = er32(SWSM); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1382 |
if (!(swsm & E1000_SWSM_SMBI)) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1383 |
break; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1384 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1385 |
usleep_range(50, 100); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1386 |
i++; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1387 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1388 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1389 |
if (i == timeout) { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1390 |
e_dbg("Driver can't access device - SMBI bit is set.\n"); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1391 |
return -E1000_ERR_NVM; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1392 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1393 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1394 |
/* Get the FW semaphore. */ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1395 |
for (i = 0; i < timeout; i++) { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1396 |
swsm = er32(SWSM); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1397 |
ew32(SWSM, swsm | E1000_SWSM_SWESMBI); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1398 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1399 |
/* Semaphore acquired if bit latched */ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1400 |
if (er32(SWSM) & E1000_SWSM_SWESMBI) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1401 |
break; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1402 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1403 |
usleep_range(50, 100); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1404 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1405 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1406 |
if (i == timeout) { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1407 |
/* Release semaphores */ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1408 |
e1000e_put_hw_semaphore(hw); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1409 |
e_dbg("Driver can't access the NVM\n"); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1410 |
return -E1000_ERR_NVM; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1411 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1412 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1413 |
return 0; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1414 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1415 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1416 |
/** |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1417 |
* e1000e_put_hw_semaphore - Release hardware semaphore |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1418 |
* @hw: pointer to the HW structure |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1419 |
* |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1420 |
* Release hardware semaphore used to access the PHY or NVM |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1421 |
**/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1422 |
void e1000e_put_hw_semaphore(struct e1000_hw *hw) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1423 |
{ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1424 |
u32 swsm; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1425 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1426 |
swsm = er32(SWSM); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1427 |
swsm &= ~(E1000_SWSM_SMBI | E1000_SWSM_SWESMBI); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1428 |
ew32(SWSM, swsm); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1429 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1430 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1431 |
/** |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1432 |
* e1000e_get_auto_rd_done - Check for auto read completion |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1433 |
* @hw: pointer to the HW structure |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1434 |
* |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1435 |
* Check EEPROM for Auto Read done bit. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1436 |
**/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1437 |
s32 e1000e_get_auto_rd_done(struct e1000_hw *hw) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1438 |
{ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1439 |
s32 i = 0; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1440 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1441 |
while (i < AUTO_READ_DONE_TIMEOUT) { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1442 |
if (er32(EECD) & E1000_EECD_AUTO_RD) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1443 |
break; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1444 |
usleep_range(1000, 2000); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1445 |
i++; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1446 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1447 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1448 |
if (i == AUTO_READ_DONE_TIMEOUT) { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1449 |
e_dbg("Auto read by HW from NVM has not completed.\n"); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1450 |
return -E1000_ERR_RESET; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1451 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1452 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1453 |
return 0; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1454 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1455 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1456 |
/** |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1457 |
* e1000e_valid_led_default - Verify a valid default LED config |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1458 |
* @hw: pointer to the HW structure |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1459 |
* @data: pointer to the NVM (EEPROM) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1460 |
* |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1461 |
* Read the EEPROM for the current default LED configuration. If the |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1462 |
* LED configuration is not valid, set to a valid LED configuration. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1463 |
**/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1464 |
s32 e1000e_valid_led_default(struct e1000_hw *hw, u16 *data) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1465 |
{ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1466 |
s32 ret_val; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1467 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1468 |
ret_val = e1000_read_nvm(hw, NVM_ID_LED_SETTINGS, 1, data); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1469 |
if (ret_val) { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1470 |
e_dbg("NVM Read Error\n"); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1471 |
return ret_val; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1472 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1473 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1474 |
if (*data == ID_LED_RESERVED_0000 || *data == ID_LED_RESERVED_FFFF) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1475 |
*data = ID_LED_DEFAULT; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1476 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1477 |
return 0; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1478 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1479 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1480 |
/** |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1481 |
* e1000e_id_led_init_generic - |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1482 |
* @hw: pointer to the HW structure |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1483 |
* |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1484 |
**/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1485 |
s32 e1000e_id_led_init_generic(struct e1000_hw *hw) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1486 |
{ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1487 |
struct e1000_mac_info *mac = &hw->mac; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1488 |
s32 ret_val; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1489 |
const u32 ledctl_mask = 0x000000FF; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1490 |
const u32 ledctl_on = E1000_LEDCTL_MODE_LED_ON; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1491 |
const u32 ledctl_off = E1000_LEDCTL_MODE_LED_OFF; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1492 |
u16 data, i, temp; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1493 |
const u16 led_mask = 0x0F; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1494 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1495 |
ret_val = hw->nvm.ops.valid_led_default(hw, &data); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1496 |
if (ret_val) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1497 |
return ret_val; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1498 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1499 |
mac->ledctl_default = er32(LEDCTL); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1500 |
mac->ledctl_mode1 = mac->ledctl_default; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1501 |
mac->ledctl_mode2 = mac->ledctl_default; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1502 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1503 |
for (i = 0; i < 4; i++) { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1504 |
temp = (data >> (i << 2)) & led_mask; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1505 |
switch (temp) { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1506 |
case ID_LED_ON1_DEF2: |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1507 |
case ID_LED_ON1_ON2: |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1508 |
case ID_LED_ON1_OFF2: |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1509 |
mac->ledctl_mode1 &= ~(ledctl_mask << (i << 3)); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1510 |
mac->ledctl_mode1 |= ledctl_on << (i << 3); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1511 |
break; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1512 |
case ID_LED_OFF1_DEF2: |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1513 |
case ID_LED_OFF1_ON2: |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1514 |
case ID_LED_OFF1_OFF2: |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1515 |
mac->ledctl_mode1 &= ~(ledctl_mask << (i << 3)); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1516 |
mac->ledctl_mode1 |= ledctl_off << (i << 3); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1517 |
break; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1518 |
default: |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1519 |
/* Do nothing */ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1520 |
break; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1521 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1522 |
switch (temp) { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1523 |
case ID_LED_DEF1_ON2: |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1524 |
case ID_LED_ON1_ON2: |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1525 |
case ID_LED_OFF1_ON2: |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1526 |
mac->ledctl_mode2 &= ~(ledctl_mask << (i << 3)); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1527 |
mac->ledctl_mode2 |= ledctl_on << (i << 3); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1528 |
break; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1529 |
case ID_LED_DEF1_OFF2: |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1530 |
case ID_LED_ON1_OFF2: |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1531 |
case ID_LED_OFF1_OFF2: |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1532 |
mac->ledctl_mode2 &= ~(ledctl_mask << (i << 3)); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1533 |
mac->ledctl_mode2 |= ledctl_off << (i << 3); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1534 |
break; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1535 |
default: |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1536 |
/* Do nothing */ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1537 |
break; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1538 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1539 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1540 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1541 |
return 0; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1542 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1543 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1544 |
/** |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1545 |
* e1000e_setup_led_generic - Configures SW controllable LED |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1546 |
* @hw: pointer to the HW structure |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1547 |
* |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1548 |
* This prepares the SW controllable LED for use and saves the current state |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1549 |
* of the LED so it can be later restored. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1550 |
**/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1551 |
s32 e1000e_setup_led_generic(struct e1000_hw *hw) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1552 |
{ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1553 |
u32 ledctl; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1554 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1555 |
if (hw->mac.ops.setup_led != e1000e_setup_led_generic) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1556 |
return -E1000_ERR_CONFIG; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1557 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1558 |
if (hw->phy.media_type == e1000_media_type_fiber) { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1559 |
ledctl = er32(LEDCTL); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1560 |
hw->mac.ledctl_default = ledctl; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1561 |
/* Turn off LED0 */ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1562 |
ledctl &= ~(E1000_LEDCTL_LED0_IVRT | E1000_LEDCTL_LED0_BLINK | |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1563 |
E1000_LEDCTL_LED0_MODE_MASK); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1564 |
ledctl |= (E1000_LEDCTL_MODE_LED_OFF << |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1565 |
E1000_LEDCTL_LED0_MODE_SHIFT); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1566 |
ew32(LEDCTL, ledctl); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1567 |
} else if (hw->phy.media_type == e1000_media_type_copper) { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1568 |
ew32(LEDCTL, hw->mac.ledctl_mode1); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1569 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1570 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1571 |
return 0; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1572 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1573 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1574 |
/** |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1575 |
* e1000e_cleanup_led_generic - Set LED config to default operation |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1576 |
* @hw: pointer to the HW structure |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1577 |
* |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1578 |
* Remove the current LED configuration and set the LED configuration |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1579 |
* to the default value, saved from the EEPROM. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1580 |
**/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1581 |
s32 e1000e_cleanup_led_generic(struct e1000_hw *hw) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1582 |
{ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1583 |
ew32(LEDCTL, hw->mac.ledctl_default); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1584 |
return 0; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1585 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1586 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1587 |
/** |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1588 |
* e1000e_blink_led_generic - Blink LED |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1589 |
* @hw: pointer to the HW structure |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1590 |
* |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1591 |
* Blink the LEDs which are set to be on. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1592 |
**/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1593 |
s32 e1000e_blink_led_generic(struct e1000_hw *hw) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1594 |
{ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1595 |
u32 ledctl_blink = 0; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1596 |
u32 i; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1597 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1598 |
if (hw->phy.media_type == e1000_media_type_fiber) { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1599 |
/* always blink LED0 for PCI-E fiber */ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1600 |
ledctl_blink = E1000_LEDCTL_LED0_BLINK | |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1601 |
(E1000_LEDCTL_MODE_LED_ON << E1000_LEDCTL_LED0_MODE_SHIFT); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1602 |
} else { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1603 |
/* Set the blink bit for each LED that's "on" (0x0E) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1604 |
* (or "off" if inverted) in ledctl_mode2. The blink |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1605 |
* logic in hardware only works when mode is set to "on" |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1606 |
* so it must be changed accordingly when the mode is |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1607 |
* "off" and inverted. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1608 |
*/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1609 |
ledctl_blink = hw->mac.ledctl_mode2; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1610 |
for (i = 0; i < 32; i += 8) { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1611 |
u32 mode = (hw->mac.ledctl_mode2 >> i) & |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1612 |
E1000_LEDCTL_LED0_MODE_MASK; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1613 |
u32 led_default = hw->mac.ledctl_default >> i; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1614 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1615 |
if ((!(led_default & E1000_LEDCTL_LED0_IVRT) && |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1616 |
(mode == E1000_LEDCTL_MODE_LED_ON)) || |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1617 |
((led_default & E1000_LEDCTL_LED0_IVRT) && |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1618 |
(mode == E1000_LEDCTL_MODE_LED_OFF))) { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1619 |
ledctl_blink &= |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1620 |
~(E1000_LEDCTL_LED0_MODE_MASK << i); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1621 |
ledctl_blink |= (E1000_LEDCTL_LED0_BLINK | |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1622 |
E1000_LEDCTL_MODE_LED_ON) << i; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1623 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1624 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1625 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1626 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1627 |
ew32(LEDCTL, ledctl_blink); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1628 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1629 |
return 0; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1630 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1631 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1632 |
/** |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1633 |
* e1000e_led_on_generic - Turn LED on |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1634 |
* @hw: pointer to the HW structure |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1635 |
* |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1636 |
* Turn LED on. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1637 |
**/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1638 |
s32 e1000e_led_on_generic(struct e1000_hw *hw) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1639 |
{ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1640 |
u32 ctrl; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1641 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1642 |
switch (hw->phy.media_type) { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1643 |
case e1000_media_type_fiber: |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1644 |
ctrl = er32(CTRL); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1645 |
ctrl &= ~E1000_CTRL_SWDPIN0; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1646 |
ctrl |= E1000_CTRL_SWDPIO0; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1647 |
ew32(CTRL, ctrl); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1648 |
break; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1649 |
case e1000_media_type_copper: |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1650 |
ew32(LEDCTL, hw->mac.ledctl_mode2); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1651 |
break; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1652 |
default: |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1653 |
break; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1654 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1655 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1656 |
return 0; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1657 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1658 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1659 |
/** |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1660 |
* e1000e_led_off_generic - Turn LED off |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1661 |
* @hw: pointer to the HW structure |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1662 |
* |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1663 |
* Turn LED off. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1664 |
**/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1665 |
s32 e1000e_led_off_generic(struct e1000_hw *hw) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1666 |
{ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1667 |
u32 ctrl; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1668 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1669 |
switch (hw->phy.media_type) { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1670 |
case e1000_media_type_fiber: |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1671 |
ctrl = er32(CTRL); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1672 |
ctrl |= E1000_CTRL_SWDPIN0; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1673 |
ctrl |= E1000_CTRL_SWDPIO0; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1674 |
ew32(CTRL, ctrl); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1675 |
break; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1676 |
case e1000_media_type_copper: |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1677 |
ew32(LEDCTL, hw->mac.ledctl_mode1); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1678 |
break; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1679 |
default: |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1680 |
break; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1681 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1682 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1683 |
return 0; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1684 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1685 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1686 |
/** |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1687 |
* e1000e_set_pcie_no_snoop - Set PCI-express capabilities |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1688 |
* @hw: pointer to the HW structure |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1689 |
* @no_snoop: bitmap of snoop events |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1690 |
* |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1691 |
* Set the PCI-express register to snoop for events enabled in 'no_snoop'. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1692 |
**/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1693 |
void e1000e_set_pcie_no_snoop(struct e1000_hw *hw, u32 no_snoop) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1694 |
{ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1695 |
u32 gcr; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1696 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1697 |
if (no_snoop) { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1698 |
gcr = er32(GCR); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1699 |
gcr &= ~(PCIE_NO_SNOOP_ALL); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1700 |
gcr |= no_snoop; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1701 |
ew32(GCR, gcr); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1702 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1703 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1704 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1705 |
/** |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1706 |
* e1000e_disable_pcie_master - Disables PCI-express master access |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1707 |
* @hw: pointer to the HW structure |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1708 |
* |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1709 |
* Returns 0 if successful, else returns -10 |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1710 |
* (-E1000_ERR_MASTER_REQUESTS_PENDING) if master disable bit has not caused |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1711 |
* the master requests to be disabled. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1712 |
* |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1713 |
* Disables PCI-Express master access and verifies there are no pending |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1714 |
* requests. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1715 |
**/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1716 |
s32 e1000e_disable_pcie_master(struct e1000_hw *hw) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1717 |
{ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1718 |
u32 ctrl; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1719 |
s32 timeout = MASTER_DISABLE_TIMEOUT; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1720 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1721 |
ctrl = er32(CTRL); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1722 |
ctrl |= E1000_CTRL_GIO_MASTER_DISABLE; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1723 |
ew32(CTRL, ctrl); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1724 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1725 |
while (timeout) { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1726 |
if (!(er32(STATUS) & E1000_STATUS_GIO_MASTER_ENABLE)) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1727 |
break; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1728 |
usleep_range(100, 200); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1729 |
timeout--; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1730 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1731 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1732 |
if (!timeout) { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1733 |
e_dbg("Master requests are pending.\n"); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1734 |
return -E1000_ERR_MASTER_REQUESTS_PENDING; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1735 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1736 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1737 |
return 0; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1738 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1739 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1740 |
/** |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1741 |
* e1000e_reset_adaptive - Reset Adaptive Interframe Spacing |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1742 |
* @hw: pointer to the HW structure |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1743 |
* |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1744 |
* Reset the Adaptive Interframe Spacing throttle to default values. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1745 |
**/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1746 |
void e1000e_reset_adaptive(struct e1000_hw *hw) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1747 |
{ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1748 |
struct e1000_mac_info *mac = &hw->mac; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1749 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1750 |
if (!mac->adaptive_ifs) { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1751 |
e_dbg("Not in Adaptive IFS mode!\n"); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1752 |
return; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1753 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1754 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1755 |
mac->current_ifs_val = 0; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1756 |
mac->ifs_min_val = IFS_MIN; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1757 |
mac->ifs_max_val = IFS_MAX; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1758 |
mac->ifs_step_size = IFS_STEP; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1759 |
mac->ifs_ratio = IFS_RATIO; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1760 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1761 |
mac->in_ifs_mode = false; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1762 |
ew32(AIT, 0); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1763 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1764 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1765 |
/** |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1766 |
* e1000e_update_adaptive - Update Adaptive Interframe Spacing |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1767 |
* @hw: pointer to the HW structure |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1768 |
* |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1769 |
* Update the Adaptive Interframe Spacing Throttle value based on the |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1770 |
* time between transmitted packets and time between collisions. |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1771 |
**/ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1772 |
void e1000e_update_adaptive(struct e1000_hw *hw) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1773 |
{ |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1774 |
struct e1000_mac_info *mac = &hw->mac; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1775 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1776 |
if (!mac->adaptive_ifs) { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1777 |
e_dbg("Not in Adaptive IFS mode!\n"); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1778 |
return; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1779 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1780 |
|
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1781 |
if ((mac->collision_delta * mac->ifs_ratio) > mac->tx_packet_delta) { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1782 |
if (mac->tx_packet_delta > MIN_NUM_XMITS) { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1783 |
mac->in_ifs_mode = true; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1784 |
if (mac->current_ifs_val < mac->ifs_max_val) { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1785 |
if (!mac->current_ifs_val) |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1786 |
mac->current_ifs_val = mac->ifs_min_val; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1787 |
else |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1788 |
mac->current_ifs_val += |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1789 |
mac->ifs_step_size; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1790 |
ew32(AIT, mac->current_ifs_val); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1791 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1792 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1793 |
} else { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1794 |
if (mac->in_ifs_mode && |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1795 |
(mac->tx_packet_delta <= MIN_NUM_XMITS)) { |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1796 |
mac->current_ifs_val = 0; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1797 |
mac->in_ifs_mode = false; |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1798 |
ew32(AIT, 0); |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1799 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1800 |
} |
afd76ee3aa87
Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1801 |
} |