commit 7fc88cf3a1236ebf9f21a2054eee7d586e031e5f
author Ole Troan <ot@cisco.com> Wed Jun 17 22:57:13 2020 +0200
committer Andrew Yourtchenko <ayourtch@gmail.com> Fri Jul 24 09:28:04 2020 +0000
tree a3a34e333a1dd0d1952fb3254b163aabfe6dcc13
parent 5a849e3b359dcf8f730429e1ccb7421f1c4217b6

geneve: support geneve interface acting as a bvi

create geneve tunnel local 10.10.10.10 remote 10.10.10.9 vni 48 decap-next node ethernet-input l3-mode
set interface ip address geneve_tunnel0 11.11.11.12/24

Type: feature
Change-Id: I579ce879553d72a2e8048e33d0c0122674996b81
Signed-off-by: Ole Troan <ot@cisco.com>

src/vnet/geneve/geneve_api.c

diff --git a/src/vnet/geneve/geneve_api.c b/src/vnet/geneve/geneve_api.c
index 996a7a0..10dafd2 100644
--- a/src/vnet/geneve/geneve_api.c
+++ b/src/vnet/geneve/geneve_api.c
@@ -45,6 +45,7 @@
 #define foreach_vpe_api_msg                             \
 _(SW_INTERFACE_SET_GENEVE_BYPASS, sw_interface_set_geneve_bypass)         \
 _(GENEVE_ADD_DEL_TUNNEL, geneve_add_del_tunnel)                           \
+_(GENEVE_ADD_DEL_TUNNEL2, geneve_add_del_tunnel2)                         \
 _(GENEVE_TUNNEL_DUMP, geneve_tunnel_dump)
 
 static void
@@ -114,6 +115,58 @@
   /* *INDENT-ON* */
 }
 
+static void vl_api_geneve_add_del_tunnel2_t_handler
+  (vl_api_geneve_add_del_tunnel2_t * mp)
+{
+  vl_api_geneve_add_del_tunnel2_reply_t *rmp;
+  int rv = 0;
+  ip4_main_t *im = &ip4_main;
+
+  uword *p = hash_get (im->fib_index_by_table_id, ntohl (mp->encap_vrf_id));
+  if (!p)
+    {
+      rv = VNET_API_ERROR_NO_SUCH_FIB;
+      goto out;
+    }
+
+  vnet_geneve_add_del_tunnel_args_t a = {
+    .is_add = mp->is_add,
+    .is_ip6 = mp->remote_address.af,
+    .mcast_sw_if_index = ntohl (mp->mcast_sw_if_index),
+    .encap_fib_index = p[0],
+    .decap_next_index = ntohl (mp->decap_next_index),
+    .vni = ntohl (mp->vni),
+    .l3_mode = mp->l3_mode,
+  };
+
+  ip_address_decode (&mp->remote_address, &a.remote);
+  ip_address_decode (&mp->local_address, &a.local);
+
+  /* Check src & dst are different */
+  if (ip46_address_cmp (&a.remote, &a.local) == 0)
+    {
+      rv = VNET_API_ERROR_SAME_SRC_DST;
+      goto out;
+    }
+  if (ip46_address_is_multicast (&a.remote) &&
+      !vnet_sw_if_index_is_api_valid (a.mcast_sw_if_index))
+    {
+      rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
+      goto out;
+    }
+
+  u32 sw_if_index = ~0;
+  rv = vnet_geneve_add_del_tunnel (&a, &sw_if_index);
+
+out:
+  /* *INDENT-OFF* */
+  REPLY_MACRO2(VL_API_GENEVE_ADD_DEL_TUNNEL2_REPLY,
+  ({
+    rmp->sw_if_index = ntohl (sw_if_index);
+  }));
+  /* *INDENT-ON* */
+}
+
 static void send_geneve_tunnel_details
   (geneve_tunnel_t * t, vl_api_registration_t * reg, u32 context)
 {