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From: supeng2087 <supeng2087@aliyun.com>
To: dev@dpdk.org
Cc: supeng <supeng@cmss.chinamobile.com>
Subject: [PATCH] examples/ipsec-secgw: fix cmp_sa_key bug
Date: Wed, 22 Nov 2023 15:58:40 +0800	[thread overview]
Message-ID: <20231122075840.58703-1-supeng2087@aliyun.com> (raw)

From: supeng <supeng@cmss.chinamobile.com>

Inbound direction, sad_lookup function will call cmp_sa_key to compare packet outer ip info with local sa.  Local sa src ip should equal packet dst ip,  Local sa dst ip should  equal src ip.
---
 examples/ipsec-secgw/sad.h | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/examples/ipsec-secgw/sad.h b/examples/ipsec-secgw/sad.h
index 3224b6252c..e1fa8a26f6 100644
--- a/examples/ipsec-secgw/sad.h
+++ b/examples/ipsec-secgw/sad.h
@@ -33,12 +33,12 @@ cmp_sa_key(struct ipsec_sa *sa, int is_v4, struct rte_ipv4_hdr *ipv4,
 	if ((sa_type == TRANSPORT) ||
 			/* IPv4 check */
 			(is_v4 && (sa_type == IP4_TUNNEL) &&
-			(sa->src.ip.ip4 == ipv4->src_addr) &&
-			(sa->dst.ip.ip4 == ipv4->dst_addr)) ||
+			(sa->src.ip.ip4 == ipv4->dst_addr) &&
+			(sa->dst.ip.ip4 == ipv4->src_addr)) ||
 			/* IPv6 check */
 			(!is_v4 && (sa_type == IP6_TUNNEL) &&
-			(!memcmp(sa->src.ip.ip6.ip6, ipv6->src_addr, 16)) &&
-			(!memcmp(sa->dst.ip.ip6.ip6, ipv6->dst_addr, 16))))
+			(!memcmp(sa->src.ip.ip6.ip6, ipv6->dst_addr, 16)) &&
+			(!memcmp(sa->dst.ip.ip6.ip6, ipv6->src_addr, 16))))
 		return 1;
 
 	return 0;
-- 
2.34.1


             reply	other threads:[~2023-11-22  8:18 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-11-22  7:58 supeng2087 [this message]
2023-11-22  8:22 ` David Marchand
  -- strict thread matches above, loose matches on Subject: below --
2023-11-22  7:11 supeng
2023-11-22  6:57 supeng
2023-11-22  6:51 supeng
2023-11-22  6:49 supeng

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