diff mbox

[dpdk-dev,v2,2/6] ixgbe: Bug fix: Properly configure Rx CRC stripping for x540 devices

Message ID 1425554885-16901-3-git-send-email-vladz@cloudius-systems.com (mailing list archive)
State Superseded, archived
Headers show

Commit Message

Vladislav Zolotarov March 5, 2015, 11:28 a.m. UTC
According to x540 spec chapter 8.2.4.8.9 CRCSTRIP field of RDRXCTL should
be configured to the same value as HLREG0.RXCRCSTRP.

Clearing the RDRXCTL.RSCFRSTSIZE field for x540 is not required by the spec
but seems harmless.

Signed-off-by: Vlad Zolotarov <vladz@cloudius-systems.com>
---
 lib/librte_pmd_ixgbe/ixgbe_rxtx.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
diff mbox

Patch

diff --git a/lib/librte_pmd_ixgbe/ixgbe_rxtx.c b/lib/librte_pmd_ixgbe/ixgbe_rxtx.c
index 6c0e466..35a88d8 100644
--- a/lib/librte_pmd_ixgbe/ixgbe_rxtx.c
+++ b/lib/librte_pmd_ixgbe/ixgbe_rxtx.c
@@ -3687,7 +3687,8 @@  ixgbe_dev_rx_init(struct rte_eth_dev *dev)
 
 	IXGBE_WRITE_REG(hw, IXGBE_RXCSUM, rxcsum);
 
-	if (hw->mac.type == ixgbe_mac_82599EB) {
+	if (hw->mac.type == ixgbe_mac_82599EB ||
+	    hw->mac.type == ixgbe_mac_X540) {
 		rdrxctl = IXGBE_READ_REG(hw, IXGBE_RDRXCTL);
 		if (rx_conf->hw_strip_crc)
 			rdrxctl |= IXGBE_RDRXCTL_CRCSTRIP;