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* [dpdk-dev] [dpdk-dev 1/2] lib: fix ipv6 tunnel csum issue
@ 2017-04-05  4:48 Jeff Guo
  2017-04-05  4:48 ` [dpdk-dev] [dpdk-dev 2/2] app/testpmd: " Jeff Guo
  2017-04-10 20:50 ` [dpdk-dev] [dpdk-dev 1/2] lib: " Thomas Monjalon
  0 siblings, 2 replies; 3+ messages in thread
From: Jeff Guo @ 2017-04-05  4:48 UTC (permalink / raw)
  To: helin.zhang, jingjing.wu; +Cc: dev, jia.guo

When packet is flag of "PKT_TX_OUTER_IPV6", it also need to be 
considered to be tunnel case, in order to calculate the correct
csum value.

Fixes: 2b76648872c9 ("net/e1000: add Tx preparation")
Signed-off-by: Jeff Guo <jia.guo@intel.com>
---
 lib/librte_net/rte_net.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/librte_net/rte_net.h b/lib/librte_net/rte_net.h
index 548eaed..79c764a 100644
--- a/lib/librte_net/rte_net.h
+++ b/lib/librte_net/rte_net.h
@@ -120,7 +120,8 @@ rte_net_intel_cksum_flags_prepare(struct rte_mbuf *m, uint64_t ol_flags)
 	struct udp_hdr *udp_hdr;
 	uint64_t inner_l3_offset = m->l2_len;
 
-	if (ol_flags & PKT_TX_OUTER_IP_CKSUM)
+	if ((ol_flags & PKT_TX_OUTER_IP_CKSUM) ||
+		(ol_flags & PKT_TX_OUTER_IPV6))
 		inner_l3_offset += m->outer_l2_len + m->outer_l3_len;
 
 	if ((ol_flags & PKT_TX_UDP_CKSUM) == PKT_TX_UDP_CKSUM) {
-- 
2.7.4

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2017-04-10 20:50 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2017-04-05  4:48 [dpdk-dev] [dpdk-dev 1/2] lib: fix ipv6 tunnel csum issue Jeff Guo
2017-04-05  4:48 ` [dpdk-dev] [dpdk-dev 2/2] app/testpmd: " Jeff Guo
2017-04-10 20:50 ` [dpdk-dev] [dpdk-dev 1/2] lib: " Thomas Monjalon

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