From: Jeff Guo Date: Wed, 5 Apr 2017 04:48:42 +0000 (+0800) Subject: lib: fix IPv6 tunnel checksum X-Git-Tag: spdx-start~3678 X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=ff643f7d026db510d4c1a847db75608ce60ce6c3;p=dpdk.git lib: fix IPv6 tunnel checksum 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") Cc: stable@dpdk.org Signed-off-by: Jeff Guo --- diff --git a/lib/librte_net/rte_net.h b/lib/librte_net/rte_net.h index 548eaedb33..79c764adce 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) {