[2/3] examples/ipsec-secgw: fix NAT-T header fields

Message ID 20220525135912.181765-2-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

Commit Message

Radu Nicolau May 25, 2022, 1:59 p.m. UTC
  Use the proper IP protocol (UDP instead of ESP) and set the ports when
UDP encapsulation is enabled.

Fixes: 9ae86b4cfc77 ("examples/ipsec-secgw: support UDP encap for inline crypto")
Cc: stable@dpdk.org

Signed-off-by: Radu Nicolau <radu.nicolau@intel.com>
---
 examples/ipsec-secgw/sa.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)
  

Comments

Fan Zhang June 14, 2022, 3:49 p.m. UTC | #1
> -----Original Message-----
> From: Radu Nicolau <radu.nicolau@intel.com>
> Sent: Wednesday, May 25, 2022 2:59 PM
> To: Nicolau, Radu <radu.nicolau@intel.com>; Akhil Goyal <gakhil@marvell.com>
> Cc: dev@dpdk.org; Buckley, Daniel M <daniel.m.buckley@intel.com>; Zhang, Qi
> Z <qi.z.zhang@intel.com>; stable@dpdk.org
> Subject: [PATCH 2/3] examples/ipsec-secgw: fix NAT-T header fields
> 
> Use the proper IP protocol (UDP instead of ESP) and set the ports when
> UDP encapsulation is enabled.
> 
> Fixes: 9ae86b4cfc77 ("examples/ipsec-secgw: support UDP encap for 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/examples/ipsec-secgw/sa.c b/examples/ipsec-secgw/sa.c
index 1839ac71af..45509c5c68 100644
--- a/examples/ipsec-secgw/sa.c
+++ b/examples/ipsec-secgw/sa.c
@@ -1458,6 +1458,8 @@  fill_ipsec_sa_prm(struct rte_ipsec_sa_prm *prm, const struct ipsec_sa *ss,
 		RTE_SECURITY_IPSEC_SA_MODE_TRANSPORT :
 		RTE_SECURITY_IPSEC_SA_MODE_TUNNEL;
 	prm->ipsec_xform.options.udp_encap = ss->udp_encap;
+	prm->ipsec_xform.udp.dport = ss->udp.dport;
+	prm->ipsec_xform.udp.sport = ss->udp.sport;
 	prm->ipsec_xform.options.ecn = 1;
 	prm->ipsec_xform.options.copy_dscp = 1;
 
@@ -1513,13 +1515,13 @@  ipsec_sa_init(struct ipsec_sa *lsa, struct rte_ipsec_sa *sa, uint32_t sa_size)
 		.version_ihl = IPVERSION << 4 |
 			sizeof(v4) / RTE_IPV4_IHL_MULTIPLIER,
 		.time_to_live = IPDEFTTL,
-		.next_proto_id = IPPROTO_ESP,
+		.next_proto_id = lsa->udp_encap ? IPPROTO_UDP : IPPROTO_ESP,
 		.src_addr = lsa->src.ip.ip4,
 		.dst_addr = lsa->dst.ip.ip4,
 	};
 	struct rte_ipv6_hdr v6 = {
 		.vtc_flow = htonl(IP6_VERSION << 28),
-		.proto = IPPROTO_ESP,
+		.proto = lsa->udp_encap ? IPPROTO_UDP : IPPROTO_ESP,
 	};
 
 	if (IS_IP6_TUNNEL(lsa->flags)) {