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path: root/drivers/net/e1000e/82571.c
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Diffstat (limited to 'drivers/net/e1000e/82571.c')
-rw-r--r--drivers/net/e1000e/82571.c209
1 files changed, 99 insertions, 110 deletions
diff --git a/drivers/net/e1000e/82571.c b/drivers/net/e1000e/82571.c
index d1e0563a67d..62bbc6e0a76 100644
--- a/drivers/net/e1000e/82571.c
+++ b/drivers/net/e1000e/82571.c
@@ -1,7 +1,7 @@
/*******************************************************************************
Intel PRO/1000 Linux driver
- Copyright(c) 1999 - 2008 Intel Corporation.
+ Copyright(c) 1999 - 2009 Intel Corporation.
This program is free software; you can redistribute it and/or modify it
under the terms and conditions of the GNU General Public License,
@@ -43,10 +43,6 @@
* 82583V Gigabit Network Connection
*/
-#include <linux/netdevice.h>
-#include <linux/delay.h>
-#include <linux/pci.h>
-
#include "e1000.h"
#define ID_LED_RESERVED_F746 0xF746
@@ -76,8 +72,6 @@ static void e1000_put_hw_semaphore_82571(struct e1000_hw *hw);
/**
* e1000_init_phy_params_82571 - Init PHY func ptrs.
* @hw: pointer to the HW structure
- *
- * This is a function pointer entry point called by the api module.
**/
static s32 e1000_init_phy_params_82571(struct e1000_hw *hw)
{
@@ -140,8 +134,6 @@ static s32 e1000_init_phy_params_82571(struct e1000_hw *hw)
/**
* e1000_init_nvm_params_82571 - Init NVM func ptrs.
* @hw: pointer to the HW structure
- *
- * This is a function pointer entry point called by the api module.
**/
static s32 e1000_init_nvm_params_82571(struct e1000_hw *hw)
{
@@ -205,8 +197,6 @@ static s32 e1000_init_nvm_params_82571(struct e1000_hw *hw)
/**
* e1000_init_mac_params_82571 - Init MAC func ptrs.
* @hw: pointer to the HW structure
- *
- * This is a function pointer entry point called by the api module.
**/
static s32 e1000_init_mac_params_82571(struct e1000_adapter *adapter)
{
@@ -240,7 +230,8 @@ static s32 e1000_init_mac_params_82571(struct e1000_adapter *adapter)
/* Set rar entry count */
mac->rar_entry_count = E1000_RAR_ENTRIES;
/* Set if manageability features are enabled. */
- mac->arc_subsystem_valid = (er32(FWSM) & E1000_FWSM_MODE_MASK) ? 1 : 0;
+ mac->arc_subsystem_valid = (er32(FWSM) & E1000_FWSM_MODE_MASK)
+ ? true : false;
/* check for link */
switch (hw->phy.media_type) {
@@ -313,7 +304,7 @@ static s32 e1000_init_mac_params_82571(struct e1000_adapter *adapter)
* indicates that the bootagent or EFI code has
* improperly left this bit enabled
*/
- hw_dbg(hw, "Please update your 82571 Bootagent\n");
+ e_dbg("Please update your 82571 Bootagent\n");
}
ew32(SWSM, swsm & ~E1000_SWSM_SMBI);
}
@@ -487,7 +478,7 @@ static s32 e1000_get_hw_semaphore_82571(struct e1000_hw *hw)
}
if (i == sw_timeout) {
- hw_dbg(hw, "Driver can't access device - SMBI bit is set.\n");
+ e_dbg("Driver can't access device - SMBI bit is set.\n");
hw->dev_spec.e82571.smb_counter++;
}
/* Get the FW semaphore. */
@@ -505,7 +496,7 @@ static s32 e1000_get_hw_semaphore_82571(struct e1000_hw *hw)
if (i == fw_timeout) {
/* Release semaphores */
e1000_put_hw_semaphore_82571(hw);
- hw_dbg(hw, "Driver can't access the NVM\n");
+ e_dbg("Driver can't access the NVM\n");
return -E1000_ERR_NVM;
}
@@ -702,8 +693,7 @@ static s32 e1000_write_nvm_eewr_82571(struct e1000_hw *hw, u16 offset,
u16 words, u16 *data)
{
struct e1000_nvm_info *nvm = &hw->nvm;
- u32 i;
- u32 eewr = 0;
+ u32 i, eewr = 0;
s32 ret_val = 0;
/*
@@ -712,7 +702,7 @@ static s32 e1000_write_nvm_eewr_82571(struct e1000_hw *hw, u16 offset,
*/
if ((offset >= nvm->word_size) || (words > (nvm->word_size - offset)) ||
(words == 0)) {
- hw_dbg(hw, "nvm parameter(s) out of bounds\n");
+ e_dbg("nvm parameter(s) out of bounds\n");
return -E1000_ERR_NVM;
}
@@ -753,7 +743,7 @@ static s32 e1000_get_cfg_done_82571(struct e1000_hw *hw)
timeout--;
}
if (!timeout) {
- hw_dbg(hw, "MNG configuration cycle has not completed.\n");
+ e_dbg("MNG configuration cycle has not completed.\n");
return -E1000_ERR_RESET;
}
@@ -763,7 +753,7 @@ static s32 e1000_get_cfg_done_82571(struct e1000_hw *hw)
/**
* e1000_set_d0_lplu_state_82571 - Set Low Power Linkup D0 state
* @hw: pointer to the HW structure
- * @active: TRUE to enable LPLU, FALSE to disable
+ * @active: true to enable LPLU, false to disable
*
* Sets the LPLU D0 state according to the active flag. When activating LPLU
* this function also disables smart speed and vice versa. LPLU will not be
@@ -834,15 +824,11 @@ static s32 e1000_set_d0_lplu_state_82571(struct e1000_hw *hw, bool active)
* e1000_reset_hw_82571 - Reset hardware
* @hw: pointer to the HW structure
*
- * This resets the hardware into a known state. This is a
- * function pointer entry point called by the api module.
+ * This resets the hardware into a known state.
**/
static s32 e1000_reset_hw_82571(struct e1000_hw *hw)
{
- u32 ctrl;
- u32 extcnf_ctrl;
- u32 ctrl_ext;
- u32 icr;
+ u32 ctrl, extcnf_ctrl, ctrl_ext, icr;
s32 ret_val;
u16 i = 0;
@@ -852,9 +838,9 @@ static s32 e1000_reset_hw_82571(struct e1000_hw *hw)
*/
ret_val = e1000e_disable_pcie_master(hw);
if (ret_val)
- hw_dbg(hw, "PCI-E Master disable polling has failed.\n");
+ e_dbg("PCI-E Master disable polling has failed.\n");
- hw_dbg(hw, "Masking off all interrupts\n");
+ e_dbg("Masking off all interrupts\n");
ew32(IMC, 0xffffffff);
ew32(RCTL, 0);
@@ -893,7 +879,7 @@ static s32 e1000_reset_hw_82571(struct e1000_hw *hw)
ctrl = er32(CTRL);
- hw_dbg(hw, "Issuing a global reset to MAC\n");
+ e_dbg("Issuing a global reset to MAC\n");
ew32(CTRL, ctrl | E1000_CTRL_RST);
if (hw->nvm.type == e1000_nvm_flash_hw) {
@@ -951,20 +937,18 @@ static s32 e1000_init_hw_82571(struct e1000_hw *hw)
struct e1000_mac_info *mac = &hw->mac;
u32 reg_data;
s32 ret_val;
- u16 i;
- u16 rar_count = mac->rar_entry_count;
+ u16 i, rar_count = mac->rar_entry_count;
e1000_initialize_hw_bits_82571(hw);
/* Initialize identification LED */
ret_val = e1000e_id_led_init(hw);
- if (ret_val) {
- hw_dbg(hw, "Error initializing identification LED\n");
- return ret_val;
- }
+ if (ret_val)
+ e_dbg("Error initializing identification LED\n");
+ /* This is not fatal and we should not stop init due to this */
/* Disabling VLAN filtering */
- hw_dbg(hw, "Initializing the IEEE VLAN\n");
+ e_dbg("Initializing the IEEE VLAN\n");
e1000e_clear_vfta(hw);
/* Setup the receive address. */
@@ -978,7 +962,7 @@ static s32 e1000_init_hw_82571(struct e1000_hw *hw)
e1000e_init_rx_addrs(hw, rar_count);
/* Zero out the Multicast HASH table */
- hw_dbg(hw, "Zeroing the MTA\n");
+ e_dbg("Zeroing the MTA\n");
for (i = 0; i < mac->mta_reg_count; i++)
E1000_WRITE_REG_ARRAY(hw, E1000_MTA, i, 0);
@@ -1125,6 +1109,13 @@ static void e1000_initialize_hw_bits_82571(struct e1000_hw *hw)
reg |= (1 << 22);
ew32(GCR, reg);
+ /*
+ * Workaround for hardware errata.
+ * apply workaround for hardware errata documented in errata
+ * docs Fixes issue where some error prone or unreliable PCIe
+ * completions are occurring, particularly with ASPM enabled.
+ * Without fix, issue can cause tx timeouts.
+ */
reg = er32(GCR2);
reg |= 1;
ew32(GCR2, reg);
@@ -1387,7 +1378,7 @@ static s32 e1000_check_for_serdes_link_82571(struct e1000_hw *hw)
*/
mac->serdes_link_state =
e1000_serdes_link_autoneg_progress;
- hw_dbg(hw, "AN_UP -> AN_PROG\n");
+ e_dbg("AN_UP -> AN_PROG\n");
}
break;
@@ -1405,7 +1396,7 @@ static s32 e1000_check_for_serdes_link_82571(struct e1000_hw *hw)
(ctrl & ~E1000_CTRL_SLU));
mac->serdes_link_state =
e1000_serdes_link_autoneg_progress;
- hw_dbg(hw, "FORCED_UP -> AN_PROG\n");
+ e_dbg("FORCED_UP -> AN_PROG\n");
}
break;
@@ -1419,7 +1410,7 @@ static s32 e1000_check_for_serdes_link_82571(struct e1000_hw *hw)
if (status & E1000_STATUS_LU) {
mac->serdes_link_state =
e1000_serdes_link_autoneg_complete;
- hw_dbg(hw, "AN_PROG -> AN_UP\n");
+ e_dbg("AN_PROG -> AN_UP\n");
} else {
/*
* Disable autoneg, force link up and
@@ -1434,12 +1425,12 @@ static s32 e1000_check_for_serdes_link_82571(struct e1000_hw *hw)
ret_val =
e1000e_config_fc_after_link_up(hw);
if (ret_val) {
- hw_dbg(hw, "Error config flow control\n");
+ e_dbg("Error config flow control\n");
break;
}
mac->serdes_link_state =
e1000_serdes_link_forced_up;
- hw_dbg(hw, "AN_PROG -> FORCED_UP\n");
+ e_dbg("AN_PROG -> FORCED_UP\n");
}
mac->serdes_has_link = true;
break;
@@ -1454,14 +1445,14 @@ static s32 e1000_check_for_serdes_link_82571(struct e1000_hw *hw)
(ctrl & ~E1000_CTRL_SLU));
mac->serdes_link_state =
e1000_serdes_link_autoneg_progress;
- hw_dbg(hw, "DOWN -> AN_PROG\n");
+ e_dbg("DOWN -> AN_PROG\n");
break;
}
} else {
if (!(rxcw & E1000_RXCW_SYNCH)) {
mac->serdes_has_link = false;
mac->serdes_link_state = e1000_serdes_link_down;
- hw_dbg(hw, "ANYSTATE -> DOWN\n");
+ e_dbg("ANYSTATE -> DOWN\n");
} else {
/*
* We have sync, and can tolerate one
@@ -1473,7 +1464,7 @@ static s32 e1000_check_for_serdes_link_82571(struct e1000_hw *hw)
if (rxcw & E1000_RXCW_IV) {
mac->serdes_link_state = e1000_serdes_link_down;
mac->serdes_has_link = false;
- hw_dbg(hw, "ANYSTATE -> DOWN\n");
+ e_dbg("ANYSTATE -> DOWN\n");
}
}
}
@@ -1495,7 +1486,7 @@ static s32 e1000_valid_led_default_82571(struct e1000_hw *hw, u16 *data)
ret_val = e1000_read_nvm(hw, NVM_ID_LED_SETTINGS, 1, data);
if (ret_val) {
- hw_dbg(hw, "NVM Read Error\n");
+ e_dbg("NVM Read Error\n");
return ret_val;
}
@@ -1525,7 +1516,7 @@ static s32 e1000_valid_led_default_82571(struct e1000_hw *hw, u16 *data)
bool e1000e_get_laa_state_82571(struct e1000_hw *hw)
{
if (hw->mac.type != e1000_82571)
- return 0;
+ return false;
return hw->dev_spec.e82571.laa_is_present;
}
@@ -1616,44 +1607,42 @@ static s32 e1000_fix_nvm_checksum_82571(struct e1000_hw *hw)
**/
static void e1000_clear_hw_cntrs_82571(struct e1000_hw *hw)
{
- u32 temp;
-
e1000e_clear_hw_cntrs_base(hw);
- temp = er32(PRC64);
- temp = er32(PRC127);
- temp = er32(PRC255);
- temp = er32(PRC511);
- temp = er32(PRC1023);
- temp = er32(PRC1522);
- temp = er32(PTC64);
- temp = er32(PTC127);
- temp = er32(PTC255);
- temp = er32(PTC511);
- temp = er32(PTC1023);
- temp = er32(PTC1522);
-
- temp = er32(ALGNERRC);
- temp = er32(RXERRC);
- temp = er32(TNCRS);
- temp = er32(CEXTERR);
- temp = er32(TSCTC);
- temp = er32(TSCTFC);
-
- temp = er32(MGTPRC);
- temp = er32(MGTPDC);
- temp = er32(MGTPTC);
-
- temp = er32(IAC);
- temp = er32(ICRXOC);
-
- temp = er32(ICRXPTC);
- temp = er32(ICRXATC);
- temp = er32(ICTXPTC);
- temp = er32(ICTXATC);
- temp = er32(ICTXQEC);
- temp = er32(ICTXQMTC);
- temp = er32(ICRXDMTC);
+ er32(PRC64);
+ er32(PRC127);
+ er32(PRC255);
+ er32(PRC511);
+ er32(PRC1023);
+ er32(PRC1522);
+ er32(PTC64);
+ er32(PTC127);
+ er32(PTC255);
+ er32(PTC511);
+ er32(PTC1023);
+ er32(PTC1522);
+
+ er32(ALGNERRC);
+ er32(RXERRC);
+ er32(TNCRS);
+ er32(CEXTERR);
+ er32(TSCTC);
+ er32(TSCTFC);
+
+ er32(MGTPRC);
+ er32(MGTPDC);
+ er32(MGTPTC);
+
+ er32(IAC);
+ er32(ICRXOC);
+
+ er32(ICRXPTC);
+ er32(ICRXATC);
+ er32(ICTXPTC);
+ er32(ICTXATC);
+ er32(ICTXQEC);
+ er32(ICTXQMTC);
+ er32(ICRXDMTC);
}
static struct e1000_mac_operations e82571_mac_ops = {
@@ -1675,64 +1664,64 @@ static struct e1000_mac_operations e82571_mac_ops = {
};
static struct e1000_phy_operations e82_phy_ops_igp = {
- .acquire_phy = e1000_get_hw_semaphore_82571,
+ .acquire = e1000_get_hw_semaphore_82571,
.check_reset_block = e1000e_check_reset_block_generic,
- .commit_phy = NULL,
+ .commit = NULL,
.force_speed_duplex = e1000e_phy_force_speed_duplex_igp,
.get_cfg_done = e1000_get_cfg_done_82571,
.get_cable_length = e1000e_get_cable_length_igp_2,
- .get_phy_info = e1000e_get_phy_info_igp,
- .read_phy_reg = e1000e_read_phy_reg_igp,
- .release_phy = e1000_put_hw_semaphore_82571,
- .reset_phy = e1000e_phy_hw_reset_generic,
+ .get_info = e1000e_get_phy_info_igp,
+ .read_reg = e1000e_read_phy_reg_igp,
+ .release = e1000_put_hw_semaphore_82571,
+ .reset = e1000e_phy_hw_reset_generic,
.set_d0_lplu_state = e1000_set_d0_lplu_state_82571,
.set_d3_lplu_state = e1000e_set_d3_lplu_state,
- .write_phy_reg = e1000e_write_phy_reg_igp,
+ .write_reg = e1000e_write_phy_reg_igp,
.cfg_on_link_up = NULL,
};
static struct e1000_phy_operations e82_phy_ops_m88 = {
- .acquire_phy = e1000_get_hw_semaphore_82571,
+ .acquire = e1000_get_hw_semaphore_82571,
.check_reset_block = e1000e_check_reset_block_generic,
- .commit_phy = e1000e_phy_sw_reset,
+ .commit = e1000e_phy_sw_reset,
.force_speed_duplex = e1000e_phy_force_speed_duplex_m88,
.get_cfg_done = e1000e_get_cfg_done,
.get_cable_length = e1000e_get_cable_length_m88,
- .get_phy_info = e1000e_get_phy_info_m88,
- .read_phy_reg = e1000e_read_phy_reg_m88,
- .release_phy = e1000_put_hw_semaphore_82571,
- .reset_phy = e1000e_phy_hw_reset_generic,
+ .get_info = e1000e_get_phy_info_m88,
+ .read_reg = e1000e_read_phy_reg_m88,
+ .release = e1000_put_hw_semaphore_82571,
+ .reset = e1000e_phy_hw_reset_generic,
.set_d0_lplu_state = e1000_set_d0_lplu_state_82571,
.set_d3_lplu_state = e1000e_set_d3_lplu_state,
- .write_phy_reg = e1000e_write_phy_reg_m88,
+ .write_reg = e1000e_write_phy_reg_m88,
.cfg_on_link_up = NULL,
};
static struct e1000_phy_operations e82_phy_ops_bm = {
- .acquire_phy = e1000_get_hw_semaphore_82571,
+ .acquire = e1000_get_hw_semaphore_82571,
.check_reset_block = e1000e_check_reset_block_generic,
- .commit_phy = e1000e_phy_sw_reset,
+ .commit = e1000e_phy_sw_reset,
.force_speed_duplex = e1000e_phy_force_speed_duplex_m88,
.get_cfg_done = e1000e_get_cfg_done,
.get_cable_length = e1000e_get_cable_length_m88,
- .get_phy_info = e1000e_get_phy_info_m88,
- .read_phy_reg = e1000e_read_phy_reg_bm2,
- .release_phy = e1000_put_hw_semaphore_82571,
- .reset_phy = e1000e_phy_hw_reset_generic,
+ .get_info = e1000e_get_phy_info_m88,
+ .read_reg = e1000e_read_phy_reg_bm2,
+ .release = e1000_put_hw_semaphore_82571,
+ .reset = e1000e_phy_hw_reset_generic,
.set_d0_lplu_state = e1000_set_d0_lplu_state_82571,
.set_d3_lplu_state = e1000e_set_d3_lplu_state,
- .write_phy_reg = e1000e_write_phy_reg_bm2,
+ .write_reg = e1000e_write_phy_reg_bm2,
.cfg_on_link_up = NULL,
};
static struct e1000_nvm_operations e82571_nvm_ops = {
- .acquire_nvm = e1000_acquire_nvm_82571,
- .read_nvm = e1000e_read_nvm_eerd,
- .release_nvm = e1000_release_nvm_82571,
- .update_nvm = e1000_update_nvm_checksum_82571,
+ .acquire = e1000_acquire_nvm_82571,
+ .read = e1000e_read_nvm_eerd,
+ .release = e1000_release_nvm_82571,
+ .update = e1000_update_nvm_checksum_82571,
.valid_led_default = e1000_valid_led_default_82571,
- .validate_nvm = e1000_validate_nvm_checksum_82571,
- .write_nvm = e1000_write_nvm_82571,
+ .validate = e1000_validate_nvm_checksum_82571,
+ .write = e1000_write_nvm_82571,
};
struct e1000_info e1000_82571_info = {
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-10 22:41:35 +0000