[dpdk-dev] [PATCH v2 1/1] net: fix TSO packets checksum incorrect

[Xie, WeiX]

Tested-by: Zhang, XiX <xix.zhang at intel.com>

Regards,
Xie Wei

-----Original Message-----
From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of Yuying Zhang
Sent: Wednesday, July 29, 2020 1:10 AM
To: dev at dpdk.org; olivier.matz at 6wind.com; Zhang, Qi Z <qi.z.zhang at intel.com>; Yang, Qiming <qiming.yang at intel.com>
Cc: Zhang, Yuying <yuying.zhang at intel.com>
Subject: [dpdk-dev] [PATCH v2 1/1] net: fix TSO packets checksum incorrect

The ol_flags check lacks of flag for IPv6 which causes checksum flag configuration error while IPv6/TCP TSO packet is sent.
This patch fixes the issue by adding PKT_TX_TCP_SEG flag.

Fixes: 520059a41aa9 ("net: check fragmented headers in non-debug as well")

Signed-off-by: Yuying Zhang <yuying.zhang at intel.com>
---
 lib/librte_net/rte_net.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/librte_net/rte_net.h b/lib/librte_net/rte_net.h index 1edc283a4..94b06d9ee 100644
--- a/lib/librte_net/rte_net.h
+++ b/lib/librte_net/rte_net.h
@@ -125,7 +125,7 @@ rte_net_intel_cksum_flags_prepare(struct rte_mbuf *m, uint64_t ol_flags)
 	 * Mainly it is required to avoid fragmented headers check if
 	 * no offloads are requested.
 	 */
-	if (!(ol_flags & (PKT_TX_IP_CKSUM | PKT_TX_L4_MASK)))
+	if (!(ol_flags & (PKT_TX_IP_CKSUM | PKT_TX_L4_MASK | PKT_TX_TCP_SEG)))
 		return 0;
 
 	if (ol_flags & (PKT_TX_OUTER_IPV4 | PKT_TX_OUTER_IPV6))
--
2.25.1