diff options
| author |   Nathan Skrzypczak <nathan.skrzypczak@gmail.com> | 2021-02-25 11:14:53 +0100 |
|---|---|---|
| committer |   Florin Coras <florin.coras@gmail.com> | 2021-02-26 01:55:07 +0000 |
| commit | 4d237874e5c9922330c62ac1b003a9a171c1bc3b (patch) | |
| tree | 3ce74a3e85659124653e8406635bec29e156b9f2 /src/plugins/cnat/cnat_node_vip.c | |
| parent | 27647a27c7b1e800547e3a3ea97b099b25618177 (diff) | |
cnat: Add maglev support
* Backend choice in translations is controlled
by lb_type switch allowing to enable Maglev.
* Size of pool is set with cnat { maglev-len 1009 }
Type: feature
Change-Id: I956e19d70bc9f3b997b4f8042831164e4b559d17
Signed-off-by: Nathan Skrzypczak <nathan.skrzypczak@gmail.com>
Diffstat (limited to 'src/plugins/cnat/cnat_node_vip.c')
| -rw-r--r-- | src/plugins/cnat/cnat_node_vip.c | 19 |
1 files changed, 4 insertions, 15 deletions
diff --git a/src/plugins/cnat/cnat_node_vip.c b/src/plugins/cnat/cnat_node_vip.c index f653aa1e430..bc7d30369ab 100644 --- a/src/plugins/cnat/cnat_node_vip.c +++ b/src/plugins/cnat/cnat_node_vip.c @@ -109,14 +109,12 @@ cnat_vip_node_fn (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_buffer_t *b, } /* New flow, create the sessions */ - const load_balance_t *lb0; cnat_ep_trk_t *trk0; - u32 hash_c0, bucket0; u32 rsession_flags = 0; - const dpo_id_t *dpo0; + u32 dpoi_index = -1; - lb0 = load_balance_get (ct->ct_lb.dpoi_index); - if (!lb0->lb_n_buckets) + trk0 = cnat_load_balance (ct, ctx->af, ip4, ip6, &dpoi_index); + if (PREDICT_FALSE (NULL == trk0)) { /* Dont translate & Follow the fib programming */ vnet_buffer (b)->ip.adj_index[VLIB_TX] = cc->cc_parent.dpoi_index; @@ -124,16 +122,7 @@ cnat_vip_node_fn (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_buffer_t *b, goto trace; } - /* session table miss */ - hash_c0 = (AF_IP4 == ctx->af ? - ip4_compute_flow_hash (ip4, lb0->lb_hash_config) : - ip6_compute_flow_hash (ip6, lb0->lb_hash_config)); - bucket0 = hash_c0 % lb0->lb_n_buckets; - dpo0 = load_balance_get_fwd_bucket (lb0, bucket0); - /* add the session */ - trk0 = &ct->ct_paths[bucket0]; - ip46_address_copy (&session->value.cs_ip[VLIB_TX], &trk0->ct_ep[VLIB_TX].ce_ip.ip); if (ip_address_is_zero (&trk0->ct_ep[VLIB_RX].ce_ip)) @@ -158,7 +147,7 @@ cnat_vip_node_fn (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_buffer_t *b, clib_host_to_net_u16 (trk0->ct_ep[VLIB_RX].ce_port); session->value.dpoi_next_node = ct->ct_lb.dpoi_next_node; - session->value.cs_lbi = dpo0->dpoi_index; + session->value.cs_lbi = dpoi_index; rv = cspm->vip_policy (vm, b, session, &rsession_flags, ct, ctx); if (CNAT_SOURCE_ERROR_USE_DEFAULT == rv) |