diff options
| author |   Florin Coras <fcoras@cisco.com> | 2016-10-25 16:47:52 +0200 |
|---|---|---|
| committer |   Damjan Marion <dmarion.lists@gmail.com> | 2016-10-26 14:43:25 +0000 |
| commit | f195019a300e9f0d375f74cd11ee1dd0cc64aecf (patch) | |
| tree | 43e7ff9cdda218558ac000351a14f4ddaaced1cf | |
| parent | 513da53d96731002bb24285413c7646e25210ac8 (diff) | |
Use only 24 bits for vni in lisp-gpe data packets
Change-Id: I5a8ff12dfa8d4d9f24275590ff8293e7eb7ffbb6
Signed-off-by: Florin Coras <fcoras@cisco.com>
| -rw-r--r-- | vnet/vnet/lisp-gpe/decap.c | 5 | ||||
| -rw-r--r-- | vnet/vnet/lisp-gpe/lisp_gpe_tunnel.c | 2 |
2 files changed, 4 insertions, 3 deletions
diff --git a/vnet/vnet/lisp-gpe/decap.c b/vnet/vnet/lisp-gpe/decap.c index 9c1fb88a6f2..637d4a740c8 100644 --- a/vnet/vnet/lisp-gpe/decap.c +++ b/vnet/vnet/lisp-gpe/decap.c @@ -378,9 +378,10 @@ lisp_gpe_input_inline (vlib_main_t * vm, vlib_node_runtime_t * node, tl0 = next_index_to_iface (lgm, next0); /* map iid/vni to lisp-gpe sw_if_index which is used by ipx_input to - * decide the rx vrf and the input features to be applied */ + * decide the rx vrf and the input features to be applied. + * NOTE: vni uses only the first 24 bits */ si0 = hash_get (tl0->sw_if_index_by_vni, - clib_net_to_host_u32 (lh0->iid)); + clib_net_to_host_u32 (lh0->iid << 8)); /* Required to make the l2 tag push / pop code work on l2 subifs */ vnet_update_l2_len (b0); diff --git a/vnet/vnet/lisp-gpe/lisp_gpe_tunnel.c b/vnet/vnet/lisp-gpe/lisp_gpe_tunnel.c index 4d5587b7d3e..e4e59707e8f 100644 --- a/vnet/vnet/lisp-gpe/lisp_gpe_tunnel.c +++ b/vnet/vnet/lisp-gpe/lisp_gpe_tunnel.c @@ -114,7 +114,7 @@ lisp_gpe_tunnel_build_rewrite (const lisp_gpe_tunnel_t * lgt, lisp0->ver_res = 0; lisp0->res = 0; lisp0->next_protocol = payload_proto; - lisp0->iid = clib_host_to_net_u32 (ladj->vni); + lisp0->iid = clib_host_to_net_u32 (ladj->vni) >> 8; /* first 24 bits only */ return (rw); } |