[dpdk-dev] [PATCH] nfp: fix how tx checksum is advertised to firmware

Alejandro Lucero alejandro.lucero at netronome.com
Thu Mar 3 12:26:07 CET 2016


Even with tx checksum offload available, do not set the flag by default.

Fixes: b812daadad0d (\"nfp: add Rx and Tx\")

Signed-off-by: Alejandro Lucero <alejandro.lucero at netronome.com>
---
 drivers/net/nfp/nfp_net.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/nfp/nfp_net.c b/drivers/net/nfp/nfp_net.c
index 0e3705e..6078e9f 100644
--- a/drivers/net/nfp/nfp_net.c
+++ b/drivers/net/nfp/nfp_net.c
@@ -1543,7 +1543,8 @@ nfp_net_tx_cksum(struct nfp_net_txq *txq, struct nfp_net_tx_desc *txd,
 		break;
 	}
 
-	txd->flags |= PCIE_DESC_TX_CSUM;
+	if (ol_flags & (PKT_TX_IP_CKSUM | PKT_TX_L4_MASK))
+		txd->flags |= PCIE_DESC_TX_CSUM;
 }
 
 /* nfp_net_rx_cksum - set mbuf checksum flags based on RX descriptor flags */
-- 
1.7.9.5



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