From b325983a4461dd806e86a31abc47533b09482157 Mon Sep 17 00:00:00 2001 From: Neale Ranns Date: Fri, 27 Sep 2019 13:32:02 +0000 Subject: ipsec: support 4o6 and 6o4 for tunnel protect Type: feature Change-Id: Ib2352ca4c7abf4645f21fa16aaaf27408890a2bf Signed-off-by: Neale Ranns --- src/vnet/ipsec/esp_encrypt.c | 15 +++++++++++++++ src/vnet/ipsec/ipsec_tun.c | 41 ++++++++++++++++------------------------- 2 files changed, 31 insertions(+), 25 deletions(-) (limited to 'src/vnet/ipsec') diff --git a/src/vnet/ipsec/esp_encrypt.c b/src/vnet/ipsec/esp_encrypt.c index 47c079d95d2..730a2b83c11 100644 --- a/src/vnet/ipsec/esp_encrypt.c +++ b/src/vnet/ipsec/esp_encrypt.c @@ -630,6 +630,13 @@ VNET_FEATURE_INIT (esp4_encrypt_tun_feat_node, static) = .runs_before = VNET_FEATURES ("adj-midchain-tx"), }; +VNET_FEATURE_INIT (esp6o4_encrypt_tun_feat_node, static) = +{ + .arc_name = "ip6-output", + .node_name = "esp4-encrypt-tun", + .runs_before = VNET_FEATURES ("adj-midchain-tx"), +}; + VNET_FEATURE_INIT (esp4_ethernet_encrypt_tun_feat_node, static) = { .arc_name = "ethernet-output", @@ -667,6 +674,14 @@ VNET_FEATURE_INIT (esp6_encrypt_tun_feat_node, static) = .node_name = "esp6-encrypt-tun", .runs_before = VNET_FEATURES ("adj-midchain-tx"), }; + +VNET_FEATURE_INIT (esp4o6_encrypt_tun_feat_node, static) = +{ + .arc_name = "ip4-output", + .node_name = "esp6-encrypt-tun", + .runs_before = VNET_FEATURES ("adj-midchain-tx"), +}; + /* *INDENT-ON* */ typedef struct diff --git a/src/vnet/ipsec/ipsec_tun.c b/src/vnet/ipsec/ipsec_tun.c index 859fab8899e..ad544a919db 100644 --- a/src/vnet/ipsec/ipsec_tun.c +++ b/src/vnet/ipsec/ipsec_tun.c @@ -39,38 +39,29 @@ static int ipsec_tun_protect_feature_set (ipsec_tun_protect_t * itp, u8 enable) { u32 sai = itp->itp_out_sa; - int is_ip4, is_l2, rv; + int rv; - is_ip4 = ip46_address_is_ip4 (&itp->itp_tun.src); - is_l2 = itp->itp_flags & IPSEC_PROTECT_L2; + const char *enc_node = (ip46_address_is_ip4 (&itp->itp_tun.src) ? + "esp4-encrypt-tun" : "esp6-encrypt-tun"); - if (is_ip4) + if (itp->itp_flags & IPSEC_PROTECT_L2) { - if (is_l2) - rv = vnet_feature_enable_disable ("ethernet-output", - "esp4-encrypt-tun", - itp->itp_sw_if_index, enable, - &sai, sizeof (sai)); - else - rv = vnet_feature_enable_disable ("ip4-output", - "esp4-encrypt-tun", - itp->itp_sw_if_index, enable, - &sai, sizeof (sai)); + rv = vnet_feature_enable_disable ("ethernet-output", + enc_node, + itp->itp_sw_if_index, enable, + &sai, sizeof (sai)); } else { - if (is_l2) - rv = vnet_feature_enable_disable ("ethernet-output", - "esp6-encrypt-tun", - itp->itp_sw_if_index, enable, - &sai, sizeof (sai)); - else - rv = vnet_feature_enable_disable ("ip6-output", - "esp6-encrypt-tun", - itp->itp_sw_if_index, enable, - &sai, sizeof (sai)); + rv = vnet_feature_enable_disable ("ip4-output", + enc_node, + itp->itp_sw_if_index, enable, + &sai, sizeof (sai)); + rv = vnet_feature_enable_disable ("ip6-output", + enc_node, + itp->itp_sw_if_index, enable, + &sai, sizeof (sai)); } - ASSERT (!rv); return (rv); } -- cgit