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 ad63e5a046631fe5cf7e226bcced87d0b633ceb0..4f30ad64050f9a1dd11163b07e6154a67fb04e5c 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 "