diff options
Diffstat (limited to 'drivers/net/ixgbe/base/ixgbe_x540.c')
| -rw-r--r-- | drivers/net/ixgbe/base/ixgbe_x540.c | 33 |
1 files changed, 24 insertions, 9 deletions
diff --git a/drivers/net/ixgbe/base/ixgbe_x540.c b/drivers/net/ixgbe/base/ixgbe_x540.c index 6e778bc9..0e51813b 100644 --- a/drivers/net/ixgbe/base/ixgbe_x540.c +++ b/drivers/net/ixgbe/base/ixgbe_x540.c @@ -208,6 +208,7 @@ s32 ixgbe_reset_hw_X540(struct ixgbe_hw *hw) { s32 status; u32 ctrl, i; + u32 swfw_mask = hw->phy.phy_semaphore_mask; DEBUGFUNC("ixgbe_reset_hw_X540"); @@ -220,10 +221,17 @@ s32 ixgbe_reset_hw_X540(struct ixgbe_hw *hw) ixgbe_clear_tx_pending(hw); mac_reset_top: + status = hw->mac.ops.acquire_swfw_sync(hw, swfw_mask); + if (status != IXGBE_SUCCESS) { + ERROR_REPORT2(IXGBE_ERROR_CAUTION, + "semaphore failed with %d", status); + return IXGBE_ERR_SWFW_SYNC; + } ctrl = IXGBE_CTRL_RST; ctrl |= IXGBE_READ_REG(hw, IXGBE_CTRL); IXGBE_WRITE_REG(hw, IXGBE_CTRL, ctrl); IXGBE_WRITE_FLUSH(hw); + hw->mac.ops.release_swfw_sync(hw, swfw_mask); /* Poll for reset bit to self-clear indicating reset is complete */ for (i = 0; i < 10; i++) { @@ -321,9 +329,9 @@ out: * * Determines physical layer capabilities of the current configuration. **/ -u32 ixgbe_get_supported_physical_layer_X540(struct ixgbe_hw *hw) +u64 ixgbe_get_supported_physical_layer_X540(struct ixgbe_hw *hw) { - u32 physical_layer = IXGBE_PHYSICAL_LAYER_UNKNOWN; + u64 physical_layer = IXGBE_PHYSICAL_LAYER_UNKNOWN; u16 ext_ability = 0; DEBUGFUNC("ixgbe_get_supported_physical_layer_X540"); @@ -491,7 +499,6 @@ s32 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 @@ -501,14 +508,15 @@ s32 ixgbe_calc_eeprom_checksum_X540(struct ixgbe_hw *hw) DEBUGFUNC("ixgbe_calc_eeprom_checksum_X540"); - /* Include 0x0-0x3F in the checksum */ - for (i = 0; i <= checksum_last_word; i++) { + /* Include 0x0 up to IXGBE_EEPROM_CHECKSUM; do not include the + * checksum itself + */ + for (i = 0; i < IXGBE_EEPROM_CHECKSUM; i++) { if (ixgbe_read_eerd_generic(hw, i, &word)) { DEBUGOUT("EEPROM read failed\n"); return IXGBE_ERR_EEPROM; } - if (i != IXGBE_EEPROM_CHECKSUM) - checksum += word; + checksum += word; } /* Include all data from pointers 0x3, 0x6-0xE. This excludes the @@ -775,8 +783,10 @@ s32 ixgbe_acquire_swfw_sync_X540(struct ixgbe_hw *hw, u32 mask) /* SW NVM semaphore bit is used for access to all * SW_FW_SYNC bits (not just NVM) */ - if (ixgbe_get_swfw_sync_semaphore(hw)) + if (ixgbe_get_swfw_sync_semaphore(hw)) { + DEBUGOUT("Failed to get NVM access and register semaphore, returning IXGBE_ERR_SWFW_SYNC\n"); return IXGBE_ERR_SWFW_SYNC; + } swfw_sync = IXGBE_READ_REG(hw, IXGBE_SWFW_SYNC_BY_MAC(hw)); if (!(swfw_sync & (fwmask | swmask | hwmask))) { @@ -798,6 +808,7 @@ s32 ixgbe_acquire_swfw_sync_X540(struct ixgbe_hw *hw, u32 mask) if (swmask == IXGBE_GSSR_SW_MNG_SM) { ERROR_REPORT1(IXGBE_ERROR_POLLING, "Failed to get SW only semaphore"); + DEBUGOUT("Failed to get SW only semaphore, returning IXGBE_ERR_SWFW_SYNC\n"); return IXGBE_ERR_SWFW_SYNC; } @@ -806,8 +817,10 @@ s32 ixgbe_acquire_swfw_sync_X540(struct ixgbe_hw *hw, u32 mask) * of the requested resource(s) while ignoring the corresponding FW/HW * bits in the SW_FW_SYNC register. */ - if (ixgbe_get_swfw_sync_semaphore(hw)) + if (ixgbe_get_swfw_sync_semaphore(hw)) { + DEBUGOUT("Failed to get NVM sempahore and register semaphore while forcefully ignoring FW sempahore bit(s) and setting SW semaphore bit(s), returning IXGBE_ERR_SWFW_SYNC\n"); return IXGBE_ERR_SWFW_SYNC; + } swfw_sync = IXGBE_READ_REG(hw, IXGBE_SWFW_SYNC_BY_MAC(hw)); if (swfw_sync & (fwmask | hwmask)) { swfw_sync |= swmask; @@ -829,9 +842,11 @@ s32 ixgbe_acquire_swfw_sync_X540(struct ixgbe_hw *hw, u32 mask) rmask |= IXGBE_GSSR_I2C_MASK; ixgbe_release_swfw_sync_X540(hw, rmask); ixgbe_release_swfw_sync_semaphore(hw); + DEBUGOUT("Resource not released by other SW, returning IXGBE_ERR_SWFW_SYNC\n"); return IXGBE_ERR_SWFW_SYNC; } ixgbe_release_swfw_sync_semaphore(hw); + DEBUGOUT("Returning error IXGBE_ERR_SWFW_SYNC\n"); return IXGBE_ERR_SWFW_SYNC; } |