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path: root/drivers/net/ethernet/intel/e1000e/82571.c
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Diffstat (limited to 'drivers/net/ethernet/intel/e1000e/82571.c')
-rw-r--r--drivers/net/ethernet/intel/e1000e/82571.c147
1 files changed, 64 insertions, 83 deletions
diff --git a/drivers/net/ethernet/intel/e1000e/82571.c b/drivers/net/ethernet/intel/e1000e/82571.c
index a3e65fd26e09..b3fdc6977f2e 100644
--- a/drivers/net/ethernet/intel/e1000e/82571.c
+++ b/drivers/net/ethernet/intel/e1000e/82571.c
@@ -1,7 +1,7 @@
/*******************************************************************************
Intel PRO/1000 Linux driver
- Copyright(c) 1999 - 2011 Intel Corporation.
+ Copyright(c) 1999 - 2012 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,
@@ -235,30 +235,42 @@ 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
**/
-static s32 e1000_init_mac_params_82571(struct e1000_adapter *adapter)
+static s32 e1000_init_mac_params_82571(struct e1000_hw *hw)
{
- struct e1000_hw *hw = &adapter->hw;
struct e1000_mac_info *mac = &hw->mac;
- struct e1000_mac_operations *func = &mac->ops;
u32 swsm = 0;
u32 swsm2 = 0;
bool force_clear_smbi = false;
- /* Set media type */
- switch (adapter->pdev->device) {
+ /* Set media type and media-dependent function pointers */
+ switch (hw->adapter->pdev->device) {
case E1000_DEV_ID_82571EB_FIBER:
case E1000_DEV_ID_82572EI_FIBER:
case E1000_DEV_ID_82571EB_QUAD_FIBER:
hw->phy.media_type = e1000_media_type_fiber;
+ mac->ops.setup_physical_interface =
+ e1000_setup_fiber_serdes_link_82571;
+ mac->ops.check_for_link = e1000e_check_for_fiber_link;
+ mac->ops.get_link_up_info =
+ e1000e_get_speed_and_duplex_fiber_serdes;
break;
case E1000_DEV_ID_82571EB_SERDES:
- case E1000_DEV_ID_82572EI_SERDES:
case E1000_DEV_ID_82571EB_SERDES_DUAL:
case E1000_DEV_ID_82571EB_SERDES_QUAD:
+ case E1000_DEV_ID_82572EI_SERDES:
hw->phy.media_type = e1000_media_type_internal_serdes;
+ mac->ops.setup_physical_interface =
+ e1000_setup_fiber_serdes_link_82571;
+ mac->ops.check_for_link = e1000_check_for_serdes_link_82571;
+ mac->ops.get_link_up_info =
+ e1000e_get_speed_and_duplex_fiber_serdes;
break;
default:
hw->phy.media_type = e1000_media_type_copper;
+ mac->ops.setup_physical_interface =
+ e1000_setup_copper_link_82571;
+ mac->ops.check_for_link = e1000e_check_for_copper_link;
+ mac->ops.get_link_up_info = e1000e_get_speed_and_duplex_copper;
break;
}
@@ -269,38 +281,13 @@ static s32 e1000_init_mac_params_82571(struct e1000_adapter *adapter)
/* Adaptive IFS supported */
mac->adaptive_ifs = true;
- /* check for link */
- switch (hw->phy.media_type) {
- case e1000_media_type_copper:
- func->setup_physical_interface = e1000_setup_copper_link_82571;
- func->check_for_link = e1000e_check_for_copper_link;
- func->get_link_up_info = e1000e_get_speed_and_duplex_copper;
- break;
- case e1000_media_type_fiber:
- func->setup_physical_interface =
- e1000_setup_fiber_serdes_link_82571;
- func->check_for_link = e1000e_check_for_fiber_link;
- func->get_link_up_info =
- e1000e_get_speed_and_duplex_fiber_serdes;
- break;
- case e1000_media_type_internal_serdes:
- func->setup_physical_interface =
- e1000_setup_fiber_serdes_link_82571;
- func->check_for_link = e1000_check_for_serdes_link_82571;
- func->get_link_up_info =
- e1000e_get_speed_and_duplex_fiber_serdes;
- break;
- default:
- return -E1000_ERR_CONFIG;
- break;
- }
-
+ /* MAC-specific function pointers */
switch (hw->mac.type) {
case e1000_82573:
- func->set_lan_id = e1000_set_lan_id_single_port;
- func->check_mng_mode = e1000e_check_mng_mode_generic;
- func->led_on = e1000e_led_on_generic;
- func->blink_led = e1000e_blink_led_generic;
+ mac->ops.set_lan_id = e1000_set_lan_id_single_port;
+ mac->ops.check_mng_mode = e1000e_check_mng_mode_generic;
+ mac->ops.led_on = e1000e_led_on_generic;
+ mac->ops.blink_led = e1000e_blink_led_generic;
/* FWSM register */
mac->has_fwsm = true;
@@ -314,14 +301,14 @@ static s32 e1000_init_mac_params_82571(struct e1000_adapter *adapter)
break;
case e1000_82574:
case e1000_82583:
- func->set_lan_id = e1000_set_lan_id_single_port;
- func->check_mng_mode = e1000_check_mng_mode_82574;
- func->led_on = e1000_led_on_82574;
+ mac->ops.set_lan_id = e1000_set_lan_id_single_port;
+ mac->ops.check_mng_mode = e1000_check_mng_mode_82574;
+ mac->ops.led_on = e1000_led_on_82574;
break;
default:
- func->check_mng_mode = e1000e_check_mng_mode_generic;
- func->led_on = e1000e_led_on_generic;
- func->blink_led = e1000e_blink_led_generic;
+ mac->ops.check_mng_mode = e1000e_check_mng_mode_generic;
+ mac->ops.led_on = e1000e_led_on_generic;
+ mac->ops.blink_led = e1000e_blink_led_generic;
/* FWSM register */
mac->has_fwsm = true;
@@ -342,11 +329,11 @@ static s32 e1000_init_mac_params_82571(struct e1000_adapter *adapter)
if (!(swsm2 & E1000_SWSM2_LOCK)) {
/* Only do this for the first interface on this card */
- ew32(SWSM2,
- swsm2 | E1000_SWSM2_LOCK);
+ ew32(SWSM2, swsm2 | E1000_SWSM2_LOCK);
force_clear_smbi = true;
- } else
+ } else {
force_clear_smbi = false;
+ }
break;
default:
force_clear_smbi = true;
@@ -383,7 +370,7 @@ static s32 e1000_get_variants_82571(struct e1000_adapter *adapter)
int is_port_b = er32(STATUS) & E1000_STATUS_FUNC_1;
s32 rc;
- rc = e1000_init_mac_params_82571(adapter);
+ rc = e1000_init_mac_params_82571(hw);
if (rc)
return rc;
@@ -577,7 +564,6 @@ static void e1000_put_hw_semaphore_82571(struct e1000_hw *hw)
static s32 e1000_get_hw_semaphore_82573(struct e1000_hw *hw)
{
u32 extcnf_ctrl;
- s32 ret_val = 0;
s32 i = 0;
extcnf_ctrl = er32(EXTCNF_CTRL);
@@ -599,12 +585,10 @@ static s32 e1000_get_hw_semaphore_82573(struct e1000_hw *hw)
/* Release semaphores */
e1000_put_hw_semaphore_82573(hw);
e_dbg("Driver can't access the PHY\n");
- ret_val = -E1000_ERR_PHY;
- goto out;
+ return -E1000_ERR_PHY;
}
-out:
- return ret_val;
+ return 0;
}
/**
@@ -809,7 +793,7 @@ static s32 e1000_update_nvm_checksum_82571(struct e1000_hw *hw)
* otherwise, commit the checksum to the flash NVM.
*/
if (hw->nvm.type != e1000_nvm_flash_hw)
- return ret_val;
+ return 0;
/* Check for pending operations. */
for (i = 0; i < E1000_FLASH_UPDATES; i++) {
@@ -1134,7 +1118,7 @@ static s32 e1000_init_hw_82571(struct e1000_hw *hw)
e1000_initialize_hw_bits_82571(hw);
/* Initialize identification LED */
- ret_val = e1000e_id_led_init(hw);
+ ret_val = mac->ops.id_led_init(hw);
if (ret_val)
e_dbg("Error initializing identification LED\n");
/* This is not fatal and we should not stop init due to this */
@@ -1159,7 +1143,7 @@ static s32 e1000_init_hw_82571(struct e1000_hw *hw)
E1000_WRITE_REG_ARRAY(hw, E1000_MTA, i, 0);
/* Setup link and flow control */
- ret_val = e1000_setup_link_82571(hw);
+ ret_val = mac->ops.setup_link(hw);
/* Set the transmit descriptor write-back policy */
reg_data = er32(TXDCTL(0));
@@ -1227,6 +1211,10 @@ static void e1000_initialize_hw_bits_82571(struct e1000_hw *hw)
case e1000_82572:
reg |= (1 << 23) | (1 << 24) | (1 << 25) | (1 << 26);
break;
+ case e1000_82574:
+ case e1000_82583:
+ reg |= (1 << 26);
+ break;
default:
break;
}
@@ -1281,18 +1269,16 @@ static void e1000_initialize_hw_bits_82571(struct e1000_hw *hw)
reg |= E1000_PBA_ECC_CORR_EN;
ew32(PBA_ECC, reg);
}
+
/*
* Workaround for hardware errata.
* Ensure that DMA Dynamic Clock gating is disabled on 82571 and 82572
*/
-
- if ((hw->mac.type == e1000_82571) ||
- (hw->mac.type == e1000_82572)) {
- reg = er32(CTRL_EXT);
- reg &= ~E1000_CTRL_EXT_DMA_DYN_CLK_EN;
- ew32(CTRL_EXT, reg);
- }
-
+ if ((hw->mac.type == e1000_82571) || (hw->mac.type == e1000_82572)) {
+ reg = er32(CTRL_EXT);
+ reg &= ~E1000_CTRL_EXT_DMA_DYN_CLK_EN;
+ ew32(CTRL_EXT, reg);
+ }
/* PCI-Ex Control Registers */
switch (hw->mac.type) {
@@ -1418,7 +1404,6 @@ bool e1000_check_phy_82574(struct e1000_hw *hw)
{
u16 status_1kbt = 0;
u16 receive_errors = 0;
- bool phy_hung = false;
s32 ret_val = 0;
/*
@@ -1426,19 +1411,18 @@ bool e1000_check_phy_82574(struct e1000_hw *hw)
* read the Base1000T status register If both are max then PHY is hung.
*/
ret_val = e1e_rphy(hw, E1000_RECEIVE_ERROR_COUNTER, &receive_errors);
-
if (ret_val)
- goto out;
+ return false;
if (receive_errors == E1000_RECEIVE_ERROR_MAX) {
ret_val = e1e_rphy(hw, E1000_BASE1000T_STATUS, &status_1kbt);
if (ret_val)
- goto out;
+ return false;
if ((status_1kbt & E1000_IDLE_ERROR_COUNT_MASK) ==
E1000_IDLE_ERROR_COUNT_MASK)
- phy_hung = true;
+ return true;
}
-out:
- return phy_hung;
+
+ return false;
}
/**
@@ -1469,7 +1453,7 @@ static s32 e1000_setup_link_82571(struct e1000_hw *hw)
break;
}
- return e1000e_setup_link(hw);
+ return e1000e_setup_link_generic(hw);
}
/**
@@ -1506,9 +1490,7 @@ static s32 e1000_setup_copper_link_82571(struct e1000_hw *hw)
if (ret_val)
return ret_val;
- ret_val = e1000e_setup_copper_link(hw);
-
- return ret_val;
+ return e1000e_setup_copper_link(hw);
}
/**
@@ -1842,9 +1824,9 @@ static s32 e1000_fix_nvm_checksum_82571(struct e1000_hw *hw)
**/
static s32 e1000_read_mac_addr_82571(struct e1000_hw *hw)
{
- s32 ret_val = 0;
-
if (hw->mac.type == e1000_82571) {
+ s32 ret_val = 0;
+
/*
* If there's an alternate MAC address place it in RAR0
* so that it will override the Si installed default perm
@@ -1852,13 +1834,10 @@ static s32 e1000_read_mac_addr_82571(struct e1000_hw *hw)
*/
ret_val = e1000_check_alt_mac_addr_generic(hw);
if (ret_val)
- goto out;
+ return ret_val;
}
- ret_val = e1000_read_mac_addr_generic(hw);
-
-out:
- return ret_val;
+ return e1000_read_mac_addr_generic(hw);
}
/**
@@ -1873,7 +1852,7 @@ static void e1000_power_down_phy_copper_82571(struct e1000_hw *hw)
struct e1000_phy_info *phy = &hw->phy;
struct e1000_mac_info *mac = &hw->mac;
- if (!(phy->ops.check_reset_block))
+ if (!phy->ops.check_reset_block)
return;
/* If the management interface is not enabled, then power down */
@@ -1930,7 +1909,7 @@ static void e1000_clear_hw_cntrs_82571(struct e1000_hw *hw)
static const struct e1000_mac_operations e82571_mac_ops = {
/* .check_mng_mode: mac type dependent */
/* .check_for_link: media type dependent */
- .id_led_init = e1000e_id_led_init,
+ .id_led_init = e1000e_id_led_init_generic,
.cleanup_led = e1000e_cleanup_led_generic,
.clear_hw_cntrs = e1000_clear_hw_cntrs_82571,
.get_bus_info = e1000e_get_bus_info_pcie,
@@ -1946,6 +1925,7 @@ static const struct e1000_mac_operations e82571_mac_ops = {
.setup_link = e1000_setup_link_82571,
/* .setup_physical_interface: media type dependent */
.setup_led = e1000e_setup_led_generic,
+ .config_collision_dist = e1000e_config_collision_dist_generic,
.read_mac_addr = e1000_read_mac_addr_82571,
};
@@ -2007,6 +1987,7 @@ static const struct e1000_nvm_operations e82571_nvm_ops = {
.acquire = e1000_acquire_nvm_82571,
.read = e1000e_read_nvm_eerd,
.release = e1000_release_nvm_82571,
+ .reload = e1000e_reload_nvm_generic,
.update = e1000_update_nvm_checksum_82571,
.valid_led_default = e1000_valid_led_default_82571,
.validate = e1000_validate_nvm_checksum_82571,
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.