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From: Radu Nicolau <radu.nicolau@intel.com>
To: Jingjing Wu <jingjing.wu@intel.com>, Beilei Xing <beilei.xing@intel.com>
Cc: dev@dpdk.org, daniel.m.buckley@intel.com, qi.z.zhang@intel.com,
	Radu Nicolau <radu.nicolau@intel.com>,
	stable@dpdk.org
Subject: [PATCH 3/3] net/iavf: fix NAT-T payload length
Date: Wed, 25 May 2022 14:59:12 +0100	[thread overview]
Message-ID: <20220525135912.181765-3-radu.nicolau@intel.com> (raw)
In-Reply-To: <20220525135912.181765-1-radu.nicolau@intel.com>

Correct the length calculation used for NAT-T

Fixes: 6bc987ecb860 ("net/iavf: support IPsec inline crypto")
Cc: stable@dpdk.org

Signed-off-by: Radu Nicolau <radu.nicolau@intel.com>
---
 drivers/net/iavf/iavf_ipsec_crypto.c | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/drivers/net/iavf/iavf_ipsec_crypto.c b/drivers/net/iavf/iavf_ipsec_crypto.c
index b1949cee91..b398819096 100644
--- a/drivers/net/iavf/iavf_ipsec_crypto.c
+++ b/drivers/net/iavf/iavf_ipsec_crypto.c
@@ -1118,11 +1118,14 @@ iavf_ipsec_crypto_compute_l4_payload_length(struct rte_mbuf *m,
 		 * ipv4/6 hdr + ext hdrs
 		 */
 
-	if (s->udp_encap.enabled)
+	if (s->udp_encap.enabled) {
 		ol4_len = sizeof(struct rte_udp_hdr);
-
-	l3_len = m->l3_len;
-	l4_len = m->l4_len;
+		l3_len = m->l3_len - ol4_len;
+		l4_len = l3_len;
+	} else {
+		l3_len = m->l3_len;
+		l4_len = m->l4_len;
+	}
 
 	return rte_pktmbuf_pkt_len(m) - (ol2_len + ol3_len + ol4_len +
 			esp_hlen + l3_len + l4_len + esp_tlen);
-- 
2.25.1


  parent reply	other threads:[~2022-05-25 13:59 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-25 13:59 [PATCH 1/3] ipsec: fix NAT-T ports and length Radu Nicolau
2022-05-25 13:59 ` [PATCH 2/3] examples/ipsec-secgw: fix NAT-T header fields Radu Nicolau
2022-06-14 15:49   ` Zhang, Roy Fan
2022-05-25 13:59 ` Radu Nicolau [this message]
2022-06-14 15:50   ` [PATCH 3/3] net/iavf: fix NAT-T payload length Zhang, Roy Fan
2022-06-14 15:49 ` [PATCH 1/3] ipsec: fix NAT-T ports and length Zhang, Roy Fan
2022-06-15 15:07 ` [EXT] " Akhil Goyal

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