[3/3] net/iavf: fix NAT-T payload length

Message ID 20220525135912.181765-3-radu.nicolau@intel.com (mailing list archive)
State Accepted, archived
Delegated to: akhil goyal
Headers
Series [1/3] ipsec: fix NAT-T ports and length |

Checks

Context Check Description
ci/checkpatch success coding style OK
ci/Intel-compilation success Compilation OK
ci/intel-Testing success Testing PASS
ci/iol-mellanox-Performance success Performance Testing PASS
ci/iol-aarch64-unit-testing success Testing PASS
ci/iol-intel-Performance success Performance Testing PASS
ci/iol-intel-Functional success Functional Testing PASS
ci/github-robot: build success github build: passed
ci/iol-aarch64-compile-testing success Testing PASS
ci/iol-x86_64-unit-testing success Testing PASS
ci/iol-x86_64-compile-testing success Testing PASS
ci/iol-abi-testing success Testing PASS

Commit Message

Radu Nicolau May 25, 2022, 1:59 p.m. UTC
  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(-)
  

Comments

Fan Zhang June 14, 2022, 3:50 p.m. UTC | #1
> -----Original Message-----
> From: Radu Nicolau <radu.nicolau@intel.com>
> Sent: Wednesday, May 25, 2022 2:59 PM
> To: Wu, Jingjing <jingjing.wu@intel.com>; Xing, Beilei <beilei.xing@intel.com>
> Cc: dev@dpdk.org; Buckley, Daniel M <daniel.m.buckley@intel.com>; Zhang, Qi
> Z <qi.z.zhang@intel.com>; Nicolau, Radu <radu.nicolau@intel.com>;
> stable@dpdk.org
> Subject: [PATCH 3/3] net/iavf: fix NAT-T payload length
> 
> 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>
> ---
Acked-by: Fan Zhang <roy.fan.zhang@intel.com>
  

Patch

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);