net/ixgbe: return success when SFP is not present

Ignore the error=IXGBE_ERR_SFP_NOT_PRESENT when SFP is not present.
If it is not ignored, testpmd will fail during the NIC initialization
process.
Ixgbe kernel driver ignores this error and works well. So DPDK
does same thing.

Signed-off-by: Wei Dai <wei.dai@intel.com>
Signed-off-by: Helin Zhang <helin.zhang@intel.com>
Tested-by: Yuan Peng <yuan.peng@intel.com>
Acked-by: Wenzhuo Lu <wenzhuo.lu@intel.com>

diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c b/drivers/net/ixgbe/ixgbe_ethdev.c
index ad63e5a..4f30ad6 100644 (file)
--- a/drivers/net/ixgbe/ixgbe_ethdev.c
+++ b/drivers/net/ixgbe/ixgbe_ethdev.c
@@ -898,6 +898,8 @@ ixgbe_pf_reset_hw(struct ixgbe_hw *hw)
        IXGBE_WRITE_REG(hw, IXGBE_CTRL_EXT, ctrl_ext);
        IXGBE_WRITE_FLUSH(hw);
 
+       if (status == IXGBE_ERR_SFP_NOT_PRESENT)
+               status = IXGBE_SUCCESS;
        return status;
 }
 
@@ -1237,6 +1239,9 @@ eth_ixgbe_dev_init(struct rte_eth_dev *eth_dev)
                diag = ixgbe_init_hw(hw);
        }
 
+       if (diag == IXGBE_ERR_SFP_NOT_PRESENT)
+               diag = IXGBE_SUCCESS;
+
        if (diag == IXGBE_ERR_EEPROM_VERSION) {
                PMD_INIT_LOG(ERR, "This device is a pre-production adapter/"
                             "LOM.  Please be aware there may be issues associated "