IPSec AH protocol enhancement in VPP native core

[vpp.git] / src / vnet / ipsec / ipsec_output.c

diff --git a/src/vnet/ipsec/ipsec_output.c b/src/vnet/ipsec/ipsec_output.c
index 1b8070d..e86292c 100644 (file)
--- a/src/vnet/ipsec/ipsec_output.c
+++ b/src/vnet/ipsec/ipsec_output.c
@@ -270,8 +270,15 @@ ipsec_output_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
        {
          if (p0->policy == IPSEC_POLICY_ACTION_PROTECT)
            {
+             u32 sa_index = 0;
+             ipsec_sa_t *sa = 0;
              nc_protect++;
-             next_node_index = im->esp_encrypt_node_index;
+             sa_index = ipsec_get_sa_index_by_sa_id (p0->sa_id);
+             sa = pool_elt_at_index (im->sad, sa_index);
+             if (sa->protocol == IPSEC_PROTOCOL_ESP)
+               next_node_index = im->esp_encrypt_node_index;
+             else
+               next_node_index = im->ah_encrypt_node_index;
              vnet_buffer (b0)->ipsec.sad_index = p0->sa_index;
              vlib_buffer_advance (b0, iph_offset);
              p0->counter.packets++;