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authorNeale Ranns <nranns@cisco.com>2019-09-27 13:32:02 +0000
committerAndrew Yourtchenko <ayourtch@gmail.com>2019-10-04 14:22:12 +0000
commit2e6d7393441bb42aa2f48e210931422e07248a64 (patch)
treec4e4e62f6642509ba75d59082b6c0db631073eb8 /src
parent24f486cb563399babf553eb0a09082572ab4a303 (diff)
ipsec: support 4o6 and 6o4 for tunnel protect
Type: feature Change-Id: Ib2352ca4c7abf4645f21fa16aaaf27408890a2bf Signed-off-by: Neale Ranns <nranns@cisco.com> (cherry picked from commit b325983a4461dd806e86a31abc47533b09482157)
Diffstat (limited to 'src')
-rw-r--r--src/vnet/ipsec/esp_encrypt.c15
-rw-r--r--src/vnet/ipsec/ipsec_tun.c41
2 files changed, 31 insertions, 25 deletions
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);
}