diff options
| author |   Neale Ranns <nranns@cisco.com> | 2019-06-21 02:09:25 -0700 |
|---|---|---|
| committer |   Dave Barach <openvpp@barachs.net> | 2019-07-03 11:31:16 +0000 |
| commit | 3eea9de899f4affbe6695bb314989981fca8f234 (patch) | |
| tree | fe40b4ae071bdd399c78b3825a3def4fc966e868 /src | |
| parent | 7bf7ea3ce39c1d70c0409dcbecd5c4aaf26fae13 (diff) | |
gbp: Consider data-plane learnt source better than control-plane
Type: feature
Change-Id: Ice8fc0da6450d2aa8ba63ca1277393ac3605aa2c
Signed-off-by: Neale Ranns <nranns@cisco.com>
Diffstat (limited to 'src')
| -rw-r--r-- | src/plugins/gbp/gbp_endpoint.c | 10 | ||||
| -rw-r--r-- | src/plugins/gbp/gbp_endpoint.h | 6 | ||||
| -rw-r--r-- | src/plugins/gbp/gbp_learn_node.c | 4 |
3 files changed, 16 insertions, 4 deletions
diff --git a/src/plugins/gbp/gbp_endpoint.c b/src/plugins/gbp/gbp_endpoint.c index da15b49d81b..d759da2bece 100644 --- a/src/plugins/gbp/gbp_endpoint.c +++ b/src/plugins/gbp/gbp_endpoint.c @@ -101,6 +101,16 @@ gbp_endpoint_is_external (const gbp_endpoint_t * ge) return (! !(ge->ge_fwd.gef_flags & GBP_ENDPOINT_FLAG_EXTERNAL)); } +int +gbp_endpoint_is_learnt (const gbp_endpoint_t * ge) +{ + if (0 == vec_len (ge->ge_locs)) + return 0; + + /* DP is the highest source so if present it will be first */ + return (ge->ge_locs[0].gel_src == GBP_ENDPOINT_SRC_DP); +} + static void gbp_endpoint_extract_key_mac_itf (const clib_bihash_kv_16_8_t * key, mac_address_t * mac, u32 * sw_if_index) diff --git a/src/plugins/gbp/gbp_endpoint.h b/src/plugins/gbp/gbp_endpoint.h index a0d354ab8ab..27df6447e20 100644 --- a/src/plugins/gbp/gbp_endpoint.h +++ b/src/plugins/gbp/gbp_endpoint.h @@ -58,11 +58,13 @@ extern u8 *format_gbp_endpoint_flags (u8 * s, va_list * args); /** * Sources of Endpoints in priority order. The best (lowest value) source - * provides the forwarding information + * provides the forwarding information. + * Data-plane takes preference because the CP data is not always complete, + * it may not have the sclass. */ #define foreach_gbp_endpoint_src \ - _(CP, "control-plane") \ _(DP, "data-plane") \ + _(CP, "control-plane") \ _(RR, "recursive-resolution") typedef enum gbp_endpoint_src_t_ diff --git a/src/plugins/gbp/gbp_learn_node.c b/src/plugins/gbp/gbp_learn_node.c index 8c623e8bd3e..42d1ceb83e1 100644 --- a/src/plugins/gbp/gbp_learn_node.c +++ b/src/plugins/gbp/gbp_learn_node.c @@ -543,7 +543,7 @@ gbp_learn_l3 (vlib_main_t * vm, ge0 = gbp_endpoint_find_ip6 (&ip6_0->src_address, fib_index0); - if (NULL == ge0) + if ((NULL == ge0) || !gbp_endpoint_is_learnt (ge0)) { t0 = throttle_check (&glm->gl_l3_throttle, thread_index, @@ -576,7 +576,7 @@ gbp_learn_l3 (vlib_main_t * vm, gbp_learn_get_outer (eth0, &outer_src, &outer_dst); ge0 = gbp_endpoint_find_ip4 (&ip4_0->src_address, fib_index0); - if (NULL == ge0) + if ((NULL == ge0) || !gbp_endpoint_is_learnt (ge0)) { t0 = throttle_check (&glm->gl_l3_throttle, thread_index, ip4_0->src_address.as_u32, seed); |