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ixgbe/base: set SFP probing retries

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Check if SFP is detected or not.

Signed-off-by: Changchun Ouyang <changchun.ouyang@intel.com>
Acked-by: Jijiang Liu <jijiang.liu@intel.com>
This commit is contained in:
Ouyang Changchun 2015-02-12 20:00:58 +08:00 committed by Thomas Monjalon
parent e0ba4e7760
commit 5143c92de8
2 changed files with 22 additions and 0 deletions
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18
lib/librte_pmd_ixgbe/ixgbe/ixgbe_phy.c
View File

@ -1873,6 +1873,21 @@ s32 ixgbe_write_i2c_eeprom_generic(struct ixgbe_hw *hw, u8 byte_offset,
eeprom_data);
}
/**
* ixgbe_is_sfp_probe - Returns true if SFP is being detected
* @hw: pointer to hardware structure
* @offset: eeprom offset to be read
* @addr: I2C address to be read
*/
STATIC bool ixgbe_is_sfp_probe(struct ixgbe_hw *hw, u8 offset, u8 addr)
{
if (addr == IXGBE_I2C_EEPROM_DEV_ADDR &&
offset == IXGBE_SFF_IDENTIFIER &&
hw->phy.sfp_type == ixgbe_sfp_type_not_present)
return true;
return false;
}
/**
* ixgbe_read_i2c_byte_generic - Reads 8 bit word over I2C
* @hw: pointer to hardware structure
@ -1894,6 +1909,9 @@ s32 ixgbe_read_i2c_byte_generic(struct ixgbe_hw *hw, u8 byte_offset,
DEBUGFUNC("ixgbe_read_i2c_byte_generic");
if (ixgbe_is_sfp_probe(hw, byte_offset, dev_addr))
max_retry = IXGBE_SFP_DETECT_RETRIES;
do {
if (hw->mac.ops.acquire_swfw_sync(hw, swfw_mask))
return IXGBE_ERR_SWFW_SYNC;

4
lib/librte_pmd_ixgbe/ixgbe/ixgbe_phy.h
View File

@ -114,6 +114,10 @@ POSSIBILITY OF SUCH DAMAGE.
#define IXGBE_I2C_T_SU_STO 4
#define IXGBE_I2C_T_BUF 5
#ifndef IXGBE_SFP_DETECT_RETRIES
#define IXGBE_SFP_DETECT_RETRIES 10
#endif /* IXGBE_SFP_DETECT_RETRIES */
#define IXGBE_TN_LASI_STATUS_REG 0x9005
#define IXGBE_TN_LASI_STATUS_TEMP_ALARM 0x0008