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path: root/drivers/net/ethernet/intel/ixgbe/ixgbe_x540.c
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Diffstat (limited to 'drivers/net/ethernet/intel/ixgbe/ixgbe_x540.c')
-rw-r--r--drivers/net/ethernet/intel/ixgbe/ixgbe_x540.c85
1 files changed, 52 insertions, 33 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_x540.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_x540.c
index e88305d5d18d..ba54ff07b438 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_x540.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_x540.c
@@ -32,6 +32,7 @@
#include "ixgbe.h"
#include "ixgbe_phy.h"
+#include "ixgbe_x540.h"
#define IXGBE_X540_MAX_TX_QUEUES 128
#define IXGBE_X540_MAX_RX_QUEUES 128
@@ -42,17 +43,15 @@
static s32 ixgbe_update_flash_X540(struct ixgbe_hw *hw);
static s32 ixgbe_poll_flash_update_done_X540(struct ixgbe_hw *hw);
-static s32 ixgbe_acquire_swfw_sync_X540(struct ixgbe_hw *hw, u16 mask);
-static void ixgbe_release_swfw_sync_X540(struct ixgbe_hw *hw, u16 mask);
static s32 ixgbe_get_swfw_sync_semaphore(struct ixgbe_hw *hw);
static void ixgbe_release_swfw_sync_semaphore(struct ixgbe_hw *hw);
-static enum ixgbe_media_type ixgbe_get_media_type_X540(struct ixgbe_hw *hw)
+enum ixgbe_media_type ixgbe_get_media_type_X540(struct ixgbe_hw *hw)
{
return ixgbe_media_type_copper;
}
-static s32 ixgbe_get_invariants_X540(struct ixgbe_hw *hw)
+s32 ixgbe_get_invariants_X540(struct ixgbe_hw *hw)
{
struct ixgbe_mac_info *mac = &hw->mac;
@@ -76,9 +75,8 @@ static s32 ixgbe_get_invariants_X540(struct ixgbe_hw *hw)
* @speed: new link speed
* @autoneg_wait_to_complete: true when waiting for completion is needed
**/
-static s32 ixgbe_setup_mac_link_X540(struct ixgbe_hw *hw,
- ixgbe_link_speed speed,
- bool autoneg_wait_to_complete)
+s32 ixgbe_setup_mac_link_X540(struct ixgbe_hw *hw, ixgbe_link_speed speed,
+ bool autoneg_wait_to_complete)
{
return hw->phy.ops.setup_link_speed(hw, speed,
autoneg_wait_to_complete);
@@ -92,7 +90,7 @@ static s32 ixgbe_setup_mac_link_X540(struct ixgbe_hw *hw,
* and clears all interrupts, perform a PHY reset, and perform a link (MAC)
* reset.
**/
-static s32 ixgbe_reset_hw_X540(struct ixgbe_hw *hw)
+s32 ixgbe_reset_hw_X540(struct ixgbe_hw *hw)
{
s32 status;
u32 ctrl, i;
@@ -179,7 +177,7 @@ mac_reset_top:
* and the generation start_hw function.
* Then performs revision-specific operations, if any.
**/
-static s32 ixgbe_start_hw_X540(struct ixgbe_hw *hw)
+s32 ixgbe_start_hw_X540(struct ixgbe_hw *hw)
{
s32 ret_val;
@@ -197,7 +195,7 @@ static s32 ixgbe_start_hw_X540(struct ixgbe_hw *hw)
* Initializes the EEPROM parameters ixgbe_eeprom_info within the
* ixgbe_hw struct in order to set up EEPROM access.
**/
-static s32 ixgbe_init_eeprom_params_X540(struct ixgbe_hw *hw)
+s32 ixgbe_init_eeprom_params_X540(struct ixgbe_hw *hw)
{
struct ixgbe_eeprom_info *eeprom = &hw->eeprom;
u32 eec;
@@ -316,7 +314,7 @@ static s32 ixgbe_write_eewr_buffer_X540(struct ixgbe_hw *hw,
*
* @hw: pointer to hardware structure
**/
-static u16 ixgbe_calc_eeprom_checksum_X540(struct ixgbe_hw *hw)
+static s32 ixgbe_calc_eeprom_checksum_X540(struct ixgbe_hw *hw)
{
u16 i;
u16 j;
@@ -324,6 +322,8 @@ static u16 ixgbe_calc_eeprom_checksum_X540(struct ixgbe_hw *hw)
u16 length = 0;
u16 pointer = 0;
u16 word = 0;
+ u16 checksum_last_word = IXGBE_EEPROM_CHECKSUM;
+ u16 ptr_start = IXGBE_PCIE_ANALOG_PTR;
/*
* Do not use hw->eeprom.ops.read because we do not want to take
@@ -332,10 +332,10 @@ static u16 ixgbe_calc_eeprom_checksum_X540(struct ixgbe_hw *hw)
*/
/* Include 0x0-0x3F in the checksum */
- for (i = 0; i < IXGBE_EEPROM_CHECKSUM; i++) {
- if (ixgbe_read_eerd_generic(hw, i, &word) != 0) {
+ for (i = 0; i < checksum_last_word; i++) {
+ if (ixgbe_read_eerd_generic(hw, i, &word)) {
hw_dbg(hw, "EEPROM read failed\n");
- break;
+ return IXGBE_ERR_EEPROM;
}
checksum += word;
}
@@ -344,11 +344,11 @@ static u16 ixgbe_calc_eeprom_checksum_X540(struct ixgbe_hw *hw)
* Include all data from pointers 0x3, 0x6-0xE. This excludes the
* FW, PHY module, and PCIe Expansion/Option ROM pointers.
*/
- for (i = IXGBE_PCIE_ANALOG_PTR; i < IXGBE_FW_PTR; i++) {
+ for (i = ptr_start; i < IXGBE_FW_PTR; i++) {
if (i == IXGBE_PHY_PTR || i == IXGBE_OPTION_ROM_PTR)
continue;
- if (ixgbe_read_eerd_generic(hw, i, &pointer) != 0) {
+ if (ixgbe_read_eerd_generic(hw, i, &pointer)) {
hw_dbg(hw, "EEPROM read failed\n");
break;
}
@@ -358,8 +358,9 @@ static u16 ixgbe_calc_eeprom_checksum_X540(struct ixgbe_hw *hw)
pointer >= hw->eeprom.word_size)
continue;
- if (ixgbe_read_eerd_generic(hw, pointer, &length) != 0) {
+ if (ixgbe_read_eerd_generic(hw, pointer, &length)) {
hw_dbg(hw, "EEPROM read failed\n");
+ return IXGBE_ERR_EEPROM;
break;
}
@@ -368,10 +369,10 @@ static u16 ixgbe_calc_eeprom_checksum_X540(struct ixgbe_hw *hw)
(pointer + length) >= hw->eeprom.word_size)
continue;
- for (j = pointer+1; j <= pointer+length; j++) {
- if (ixgbe_read_eerd_generic(hw, j, &word) != 0) {
+ for (j = pointer + 1; j <= pointer + length; j++) {
+ if (ixgbe_read_eerd_generic(hw, j, &word)) {
hw_dbg(hw, "EEPROM read failed\n");
- break;
+ return IXGBE_ERR_EEPROM;
}
checksum += word;
}
@@ -379,7 +380,7 @@ static u16 ixgbe_calc_eeprom_checksum_X540(struct ixgbe_hw *hw)
checksum = (u16)IXGBE_EEPROM_SUM - checksum;
- return checksum;
+ return (s32)checksum;
}
/**
@@ -410,23 +411,34 @@ static s32 ixgbe_validate_eeprom_checksum_X540(struct ixgbe_hw *hw,
if (hw->mac.ops.acquire_swfw_sync(hw, IXGBE_GSSR_EEP_SM))
return IXGBE_ERR_SWFW_SYNC;
- checksum = hw->eeprom.ops.calc_checksum(hw);
+ status = hw->eeprom.ops.calc_checksum(hw);
+ if (status < 0)
+ goto out;
+
+ checksum = (u16)(status & 0xffff);
/* Do not use hw->eeprom.ops.read because we do not want to take
* the synchronization semaphores twice here.
*/
status = ixgbe_read_eerd_generic(hw, IXGBE_EEPROM_CHECKSUM,
&read_checksum);
+ if (status)
+ goto out;
- hw->mac.ops.release_swfw_sync(hw, IXGBE_GSSR_EEP_SM);
+ /* Verify read checksum from EEPROM is the same as
+ * calculated checksum
+ */
+ if (read_checksum != checksum) {
+ hw_dbg(hw, "Invalid EEPROM checksum");
+ status = IXGBE_ERR_EEPROM_CHECKSUM;
+ }
/* If the user cares, return the calculated checksum */
if (checksum_val)
*checksum_val = checksum;
- /* Verify read and calculated checksums are the same */
- if (read_checksum != checksum)
- return IXGBE_ERR_EEPROM_CHECKSUM;
+out:
+ hw->mac.ops.release_swfw_sync(hw, IXGBE_GSSR_EEP_SM);
return status;
}
@@ -457,15 +469,22 @@ static s32 ixgbe_update_eeprom_checksum_X540(struct ixgbe_hw *hw)
if (hw->mac.ops.acquire_swfw_sync(hw, IXGBE_GSSR_EEP_SM))
return IXGBE_ERR_SWFW_SYNC;
- checksum = hw->eeprom.ops.calc_checksum(hw);
+ status = hw->eeprom.ops.calc_checksum(hw);
+ if (status < 0)
+ goto out;
+
+ checksum = (u16)(status & 0xffff);
/* Do not use hw->eeprom.ops.write because we do not want to
* take the synchronization semaphores twice here.
*/
status = ixgbe_write_eewr_generic(hw, IXGBE_EEPROM_CHECKSUM, checksum);
- if (!status)
- status = ixgbe_update_flash_X540(hw);
+ if (status)
+ goto out;
+
+ status = ixgbe_update_flash_X540(hw);
+out:
hw->mac.ops.release_swfw_sync(hw, IXGBE_GSSR_EEP_SM);
return status;
}
@@ -544,7 +563,7 @@ static s32 ixgbe_poll_flash_update_done_X540(struct ixgbe_hw *hw)
* Acquires the SWFW semaphore thought the SW_FW_SYNC register for
* the specified function (CSR, PHY0, PHY1, NVM, Flash)
**/
-static s32 ixgbe_acquire_swfw_sync_X540(struct ixgbe_hw *hw, u16 mask)
+s32 ixgbe_acquire_swfw_sync_X540(struct ixgbe_hw *hw, u32 mask)
{
u32 swfw_sync;
u32 swmask = mask;
@@ -612,7 +631,7 @@ static s32 ixgbe_acquire_swfw_sync_X540(struct ixgbe_hw *hw, u16 mask)
* Releases the SWFW semaphore through the SW_FW_SYNC register
* for the specified function (CSR, PHY0, PHY1, EVM, Flash)
**/
-static void ixgbe_release_swfw_sync_X540(struct ixgbe_hw *hw, u16 mask)
+void ixgbe_release_swfw_sync_X540(struct ixgbe_hw *hw, u32 mask)
{
u32 swfw_sync;
u32 swmask = mask;
@@ -699,7 +718,7 @@ static void ixgbe_release_swfw_sync_semaphore(struct ixgbe_hw *hw)
* Devices that implement the version 2 interface:
* X540
**/
-static s32 ixgbe_blink_led_start_X540(struct ixgbe_hw *hw, u32 index)
+s32 ixgbe_blink_led_start_X540(struct ixgbe_hw *hw, u32 index)
{
u32 macc_reg;
u32 ledctl_reg;
@@ -735,7 +754,7 @@ static s32 ixgbe_blink_led_start_X540(struct ixgbe_hw *hw, u32 index)
* Devices that implement the version 2 interface:
* X540
**/
-static s32 ixgbe_blink_led_stop_X540(struct ixgbe_hw *hw, u32 index)
+s32 ixgbe_blink_led_stop_X540(struct ixgbe_hw *hw, u32 index)
{
u32 macc_reg;
u32 ledctl_reg;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.