X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fplugins%2Fgbp%2Fgbp_learn_node.c;h=a6c549719563d756b92d1af87f3adb5cef143025;hb=59f71132e;hp=461d209e0a6bbed4e0d8b41ed29ae3514f2dabe1;hpb=8da9fc659badc016e409f772673002f021c0cc4a;p=vpp.git diff --git a/src/plugins/gbp/gbp_learn_node.c b/src/plugins/gbp/gbp_learn_node.c index 461d209e0a6..a6c54971956 100644 --- a/src/plugins/gbp/gbp_learn_node.c +++ b/src/plugins/gbp/gbp_learn_node.c @@ -58,7 +58,7 @@ typedef struct gbp_learn_l2_t_ mac_address_t mac; u32 sw_if_index; u32 bd_index; - epg_id_t epg; + sclass_t sclass; ip46_address_t outer_src; ip46_address_t outer_dst; } gbp_learn_l2_t; @@ -71,7 +71,7 @@ gbp_learn_l2_cp (const gbp_learn_l2_t * gl2) GBP_LEARN_DBG ("L2 EP: %U %U, %d", format_mac_address_t, &gl2->mac, - format_ip46_address, &gl2->ip, IP46_TYPE_ANY, gl2->epg); + format_ip46_address, &gl2->ip, IP46_TYPE_ANY, gl2->sclass); if (!ip46_address_is_zero (&gl2->ip)) vec_add1 (ips, gl2->ip); @@ -83,7 +83,7 @@ gbp_learn_l2_cp (const gbp_learn_l2_t * gl2) gbp_endpoint_update_and_lock (GBP_ENDPOINT_SRC_DP, gl2->sw_if_index, ips, &gl2->mac, INDEX_INVALID, - INDEX_INVALID, gl2->epg, + INDEX_INVALID, gl2->sclass, (GBP_ENDPOINT_FLAG_LEARNT | GBP_ENDPOINT_FLAG_REMOTE), &gl2->outer_dst, &gl2->outer_src, NULL); @@ -92,14 +92,14 @@ gbp_learn_l2_cp (const gbp_learn_l2_t * gl2) static void gbp_learn_l2_ip4_dp (const u8 * mac, const ip4_address_t * ip, - u32 bd_index, u32 sw_if_index, epg_id_t epg, + u32 bd_index, u32 sw_if_index, sclass_t sclass, const ip4_address_t * outer_src, const ip4_address_t * outer_dst) { gbp_learn_l2_t gl2 = { .sw_if_index = sw_if_index, .bd_index = bd_index, - .epg = epg, + .sclass = sclass, .ip.ip4 = *ip, .outer_src.ip4 = *outer_src, .outer_dst.ip4 = *outer_dst, @@ -111,14 +111,14 @@ gbp_learn_l2_ip4_dp (const u8 * mac, const ip4_address_t * ip, static void gbp_learn_l2_ip6_dp (const u8 * mac, const ip6_address_t * ip, - u32 bd_index, u32 sw_if_index, epg_id_t epg, + u32 bd_index, u32 sw_if_index, sclass_t sclass, const ip4_address_t * outer_src, const ip4_address_t * outer_dst) { gbp_learn_l2_t gl2 = { .sw_if_index = sw_if_index, .bd_index = bd_index, - .epg = epg, + .sclass = sclass, .ip.ip6 = *ip, .outer_src.ip4 = *outer_src, .outer_dst.ip4 = *outer_dst, @@ -130,14 +130,14 @@ gbp_learn_l2_ip6_dp (const u8 * mac, const ip6_address_t * ip, static void gbp_learn_l2_dp (const u8 * mac, u32 bd_index, u32 sw_if_index, - epg_id_t epg, + sclass_t sclass, const ip4_address_t * outer_src, const ip4_address_t * outer_dst) { gbp_learn_l2_t gl2 = { .sw_if_index = sw_if_index, .bd_index = bd_index, - .epg = epg, + .sclass = sclass, .outer_src.ip4 = *outer_src, .outer_dst.ip4 = *outer_dst, }; @@ -156,7 +156,7 @@ typedef struct gbp_learn_l2_trace_t_ u32 sw_if_index; u32 new; u32 throttled; - u32 epg; + u32 sclass; u32 d_bit; gbp_bridge_domain_flags_t gb_flags; } gbp_learn_l2_trace_t; @@ -179,6 +179,28 @@ gbp_learn_get_outer (const ethernet_header_t * eh0, *outer_dst = ip0->dst_address; } +always_inline int +gbp_endpoint_update_required (const gbp_endpoint_t * ge0, + u32 rx_sw_if_index, sclass_t sclass) +{ + /* Conditions for [re]learning this EP */ + + /* 1. it doesn't have a dataplane source */ + if (!gbp_endpoint_is_learnt (ge0)) + return (!0); + + /* 2. has the input interface changed */ + if (gbp_itf_get_sw_if_index (ge0->ge_fwd.gef_itf) != rx_sw_if_index) + return (!0); + + /* 3. has the sclass changed */ + if (sclass != ge0->ge_fwd.gef_sclass) + return (!0); + + /* otherwise it's unchanged */ + return (0); +} + VLIB_NODE_FN (gbp_learn_l2_node) (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame) @@ -205,12 +227,13 @@ VLIB_NODE_FN (gbp_learn_l2_node) (vlib_main_t * vm, while (n_left_from > 0 && n_left_to_next > 0) { ip4_address_t outer_src, outer_dst; - u32 bi0, sw_if_index0, t0, epg0; const ethernet_header_t *eh0; + u32 bi0, sw_if_index0, t0; gbp_bridge_domain_t *gb0; gbp_learn_next_t next0; gbp_endpoint_t *ge0; vlib_buffer_t *b0; + sclass_t sclass0; next0 = GBP_LEARN_NEXT_DROP; bi0 = from[0]; @@ -224,7 +247,7 @@ VLIB_NODE_FN (gbp_learn_l2_node) (vlib_main_t * vm, sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX]; eh0 = vlib_buffer_get_current (b0); - epg0 = vnet_buffer2 (b0)->gbp.src_epg; + sclass0 = vnet_buffer2 (b0)->gbp.sclass; next0 = vnet_l2_feature_next (b0, glm->gl_l2_input_feat_next, L2INPUT_FEAT_GBP_LEARN); @@ -244,8 +267,8 @@ VLIB_NODE_FN (gbp_learn_l2_node) (vlib_main_t * vm, /* * check for new EP or a moved EP */ - if (NULL == ge0 || ge0->ge_fwd.gef_itf != sw_if_index0) - + if (NULL == ge0 || + gbp_endpoint_update_required (ge0, sw_if_index0, sclass0)) { /* * use the last 4 bytes of the mac address as the hash for the EP @@ -273,7 +296,7 @@ VLIB_NODE_FN (gbp_learn_l2_node) (vlib_main_t * vm, gbp_learn_l2_ip4_dp (eh0->src_address, &ip0->src_address, vnet_buffer (b0)->l2.bd_index, - sw_if_index0, epg0, + sw_if_index0, sclass0, &outer_src, &outer_dst); break; @@ -287,7 +310,7 @@ VLIB_NODE_FN (gbp_learn_l2_node) (vlib_main_t * vm, gbp_learn_l2_ip6_dp (eh0->src_address, &ip0->src_address, vnet_buffer (b0)->l2.bd_index, - sw_if_index0, epg0, + sw_if_index0, sclass0, &outer_src, &outer_dst); break; @@ -301,14 +324,14 @@ VLIB_NODE_FN (gbp_learn_l2_node) (vlib_main_t * vm, gbp_learn_l2_ip4_dp (eh0->src_address, &arp0->ip4_over_ethernet[0].ip4, vnet_buffer (b0)->l2.bd_index, - sw_if_index0, epg0, + sw_if_index0, sclass0, &outer_src, &outer_dst); break; } default: gbp_learn_l2_dp (eh0->src_address, vnet_buffer (b0)->l2.bd_index, - sw_if_index0, epg0, + sw_if_index0, sclass0, &outer_src, &outer_dst); break; } @@ -332,7 +355,7 @@ VLIB_NODE_FN (gbp_learn_l2_node) (vlib_main_t * vm, t->new = (NULL == ge0); t->throttled = t0; t->sw_if_index = sw_if_index0; - t->epg = epg0; + t->sclass = sclass0; t->gb_flags = gb0->gb_flags; t->d_bit = ! !(vnet_buffer2 (b0)->gbp.flags & VXLAN_GBP_GPFLAGS_D); @@ -358,10 +381,10 @@ format_gbp_learn_l2_trace (u8 * s, va_list * args) CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *); gbp_learn_l2_trace_t *t = va_arg (*args, gbp_learn_l2_trace_t *); - s = format (s, "new:%d throttled:%d d-bit:%d mac:%U itf:%d epg:%d" + s = format (s, "new:%d throttled:%d d-bit:%d mac:%U itf:%d sclass:%d" " gb-flags:%U", t->new, t->throttled, t->d_bit, - format_mac_address_t, &t->mac, t->sw_if_index, t->epg, + format_mac_address_t, &t->mac, t->sw_if_index, t->sclass, format_gbp_bridge_domain_flags, t->gb_flags); return s; @@ -390,7 +413,7 @@ typedef struct gbp_learn_l3_t_ ip46_address_t ip; u32 fib_index; u32 sw_if_index; - epg_id_t epg; + sclass_t sclass; ip46_address_t outer_src; ip46_address_t outer_dst; } gbp_learn_l3_t; @@ -401,13 +424,13 @@ gbp_learn_l3_cp (const gbp_learn_l3_t * gl3) ip46_address_t *ips = NULL; GBP_LEARN_DBG ("L3 EP: %U, %d", format_ip46_address, &gl3->ip, - IP46_TYPE_ANY, gl3->epg); + IP46_TYPE_ANY, gl3->sclass); vec_add1 (ips, gl3->ip); gbp_endpoint_update_and_lock (GBP_ENDPOINT_SRC_DP, gl3->sw_if_index, ips, NULL, - INDEX_INVALID, INDEX_INVALID, gl3->epg, + INDEX_INVALID, INDEX_INVALID, gl3->sclass, (GBP_ENDPOINT_FLAG_REMOTE | GBP_ENDPOINT_FLAG_LEARNT), &gl3->outer_dst, &gl3->outer_src, NULL); @@ -416,7 +439,7 @@ gbp_learn_l3_cp (const gbp_learn_l3_t * gl3) static void gbp_learn_ip4_dp (const ip4_address_t * ip, - u32 fib_index, u32 sw_if_index, epg_id_t epg, + u32 fib_index, u32 sw_if_index, sclass_t sclass, const ip4_address_t * outer_src, const ip4_address_t * outer_dst) { @@ -427,7 +450,7 @@ gbp_learn_ip4_dp (const ip4_address_t * ip, }, .sw_if_index = sw_if_index, .fib_index = fib_index, - .epg = epg, + .sclass = sclass, .outer_src.ip4 = *outer_src, .outer_dst.ip4 = *outer_dst, }; @@ -438,7 +461,7 @@ gbp_learn_ip4_dp (const ip4_address_t * ip, static void gbp_learn_ip6_dp (const ip6_address_t * ip, - u32 fib_index, u32 sw_if_index, epg_id_t epg, + u32 fib_index, u32 sw_if_index, sclass_t sclass, const ip4_address_t * outer_src, const ip4_address_t * outer_dst) { @@ -449,7 +472,7 @@ gbp_learn_ip6_dp (const ip6_address_t * ip, }, .sw_if_index = sw_if_index, .fib_index = fib_index, - .epg = epg, + .sclass = sclass, .outer_src.ip4 = *outer_src, .outer_dst.ip4 = *outer_dst, }; @@ -468,7 +491,7 @@ typedef struct gbp_learn_l3_trace_t_ u32 sw_if_index; u32 new; u32 throttled; - u32 epg; + u32 sclass; } gbp_learn_l3_trace_t; static uword @@ -497,14 +520,15 @@ gbp_learn_l3 (vlib_main_t * vm, while (n_left_from > 0 && n_left_to_next > 0) { - u32 bi0, sw_if_index0, t0, epg0, fib_index0; CLIB_UNUSED (const ip4_header_t *) ip4_0; CLIB_UNUSED (const ip6_header_t *) ip6_0; + u32 bi0, sw_if_index0, t0, fib_index0; ip4_address_t outer_src, outer_dst; ethernet_header_t *eth0; gbp_learn_next_t next0; gbp_endpoint_t *ge0; vlib_buffer_t *b0; + sclass_t sclass0; next0 = GBP_LEARN_NEXT_DROP; bi0 = from[0]; @@ -516,7 +540,7 @@ gbp_learn_l3 (vlib_main_t * vm, b0 = vlib_get_buffer (vm, bi0); sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX]; - epg0 = vnet_buffer2 (b0)->gbp.src_epg; + sclass0 = vnet_buffer2 (b0)->gbp.sclass; ip6_0 = NULL; ip4_0 = NULL; @@ -541,7 +565,8 @@ 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_update_required (ge0, sw_if_index0, sclass0)) { t0 = throttle_check (&glm->gl_l3_throttle, thread_index, @@ -551,7 +576,7 @@ gbp_learn_l3 (vlib_main_t * vm, if (!t0) { gbp_learn_ip6_dp (&ip6_0->src_address, - fib_index0, sw_if_index0, epg0, + fib_index0, sw_if_index0, sclass0, &outer_src, &outer_dst); } } @@ -574,7 +599,8 @@ 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_update_required (ge0, sw_if_index0, sclass0)) { t0 = throttle_check (&glm->gl_l3_throttle, thread_index, ip4_0->src_address.as_u32, seed); @@ -582,7 +608,7 @@ gbp_learn_l3 (vlib_main_t * vm, if (!t0) { gbp_learn_ip4_dp (&ip4_0->src_address, - fib_index0, sw_if_index0, epg0, + fib_index0, sw_if_index0, sclass0, &outer_src, &outer_dst); } } @@ -610,7 +636,7 @@ gbp_learn_l3 (vlib_main_t * vm, t->new = (NULL == ge0); t->throttled = t0; t->sw_if_index = sw_if_index0; - t->epg = epg0; + t->sclass = sclass0; } vlib_validate_buffer_enqueue_x1 (vm, node, next_index, @@ -632,10 +658,10 @@ format_gbp_learn_l3_trace (u8 * s, va_list * args) CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *); gbp_learn_l3_trace_t *t = va_arg (*args, gbp_learn_l3_trace_t *); - s = format (s, "new:%d throttled:%d ip:%U itf:%d epg:%d", + s = format (s, "new:%d throttled:%d ip:%U itf:%d sclass:%d", t->new, t->throttled, format_ip46_address, &t->ip, IP46_TYPE_ANY, t->sw_if_index, - t->epg); + t->sclass); return s; }