diff options
Diffstat (limited to 'src/plugins/gbp/gbp_fwd.c')
| -rw-r--r-- | src/plugins/gbp/gbp_fwd.c | 164 |
1 files changed, 29 insertions, 135 deletions
diff --git a/src/plugins/gbp/gbp_fwd.c b/src/plugins/gbp/gbp_fwd.c index e4814337558..8d98f1cd365 100644 --- a/src/plugins/gbp/gbp_fwd.c +++ b/src/plugins/gbp/gbp_fwd.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2018 Cisco and/or its affiliates. + * Copyright (c) 2019 Cisco and/or its affiliates. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at: @@ -12,9 +12,9 @@ * See the License for the specific language governing permissions and * limitations under the License. */ - #include <plugins/gbp/gbp.h> #include <vnet/l2/l2_input.h> +#include <plugins/gbp/gbp_learn.h> /** * Grouping of global data for the GBP source EPG classification feature @@ -29,155 +29,49 @@ typedef struct gbp_fwd_main_t_ static gbp_fwd_main_t gbp_fwd_main; -#define foreach_gbp_fwd \ - _(DROP, "drop") \ - _(OUTPUT, "output") - -typedef enum -{ -#define _(sym,str) GBP_FWD_ERROR_##sym, - foreach_gbp_fwd -#undef _ - GBP_FWD_N_ERROR, -} gbp_fwd_error_t; - -static char *gbp_fwd_error_strings[] = { -#define _(sym,string) string, - foreach_gbp_fwd -#undef _ -}; - -typedef enum -{ -#define _(sym,str) GBP_FWD_NEXT_##sym, - foreach_gbp_fwd -#undef _ - GBP_FWD_N_NEXT, -} gbp_fwd_next_t; - -/** - * per-packet trace data - */ -typedef struct gbp_fwd_trace_t_ -{ - /* per-pkt trace data */ - epg_id_t src_epg; - u32 sw_if_index; -} gbp_fwd_trace_t; +gbp_policy_main_t gbp_policy_main; -static uword -gbp_fwd (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame) +void +gbp_learn_enable (u32 sw_if_index, gbb_learn_mode_t mode) { - u32 n_left_from, *from, *to_next; - u32 next_index; - - next_index = 0; - n_left_from = frame->n_vectors; - from = vlib_frame_vector_args (frame); - - while (n_left_from > 0) + if (GBP_LEARN_MODE_L2 == mode) { - u32 n_left_to_next; - - vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next); - - while (n_left_from > 0 && n_left_to_next > 0) - { - u32 bi0, sw_if_index0, src_epg; - gbp_fwd_next_t next0; - vlib_buffer_t *b0; - - next0 = GBP_FWD_NEXT_DROP; - bi0 = from[0]; - to_next[0] = bi0; - from += 1; - to_next += 1; - n_left_from -= 1; - n_left_to_next -= 1; - - b0 = vlib_get_buffer (vm, bi0); - - /* - * lookup the uplink based on src EPG - */ - src_epg = vnet_buffer2 (b0)->gbp.src_epg; - - sw_if_index0 = gbp_epg_itf_lookup (src_epg); - - if (~0 != sw_if_index0) - { - vnet_buffer (b0)->sw_if_index[VLIB_TX] = sw_if_index0; - - next0 = GBP_FWD_NEXT_OUTPUT; - } - /* - * else - * don't know the uplink interface for this EPG => drop - */ - - if (PREDICT_FALSE ((b0->flags & VLIB_BUFFER_IS_TRACED))) - { - gbp_fwd_trace_t *t = vlib_add_trace (vm, node, b0, sizeof (*t)); - t->src_epg = src_epg; - t->sw_if_index = sw_if_index0; - } - - /* verify speculative enqueue, maybe switch current next frame */ - vlib_validate_buffer_enqueue_x1 (vm, node, next_index, - to_next, n_left_to_next, - bi0, next0); - } - - vlib_put_next_frame (vm, node, next_index, n_left_to_next); + l2input_intf_bitmap_enable (sw_if_index, L2INPUT_FEAT_GBP_LEARN, 1); + } + else + { + vnet_feature_enable_disable ("ip4-unicast", + "gbp-learn-ip4", sw_if_index, 1, 0, 0); + vnet_feature_enable_disable ("ip6-unicast", + "gbp-learn-ip6", sw_if_index, 1, 0, 0); } - - return frame->n_vectors; } -/* packet trace format function */ -static u8 * -format_gbp_fwd_trace (u8 * s, va_list * args) +void +gbp_learn_disable (u32 sw_if_index, gbb_learn_mode_t mode) { - CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *); - CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *); - gbp_fwd_trace_t *t = va_arg (*args, gbp_fwd_trace_t *); - - s = format (s, "src-epg:%d", t->src_epg); - - return s; + if (GBP_LEARN_MODE_L2 == mode) + { + l2input_intf_bitmap_enable (sw_if_index, L2INPUT_FEAT_GBP_LEARN, 0); + } + else + { + vnet_feature_enable_disable ("ip4-unicast", + "gbp-learn-ip4", sw_if_index, 0, 0, 0); + vnet_feature_enable_disable ("ip6-unicast", + "gbp-learn-ip6", sw_if_index, 0, 0, 0); + } } -/* *INDENT-OFF* */ -VLIB_REGISTER_NODE (gbp_fwd_node) = { - .function = gbp_fwd, - .name = "gbp-fwd", - .vector_size = sizeof (u32), - .format_trace = format_gbp_fwd_trace, - .type = VLIB_NODE_TYPE_INTERNAL, - - .n_errors = ARRAY_LEN(gbp_fwd_error_strings), - .error_strings = gbp_fwd_error_strings, - - .n_next_nodes = GBP_FWD_N_NEXT, - - .next_nodes = { - [GBP_FWD_NEXT_DROP] = "error-drop", - [GBP_FWD_NEXT_OUTPUT] = "l2-output", - }, -}; - -VLIB_NODE_FUNCTION_MULTIARCH (gbp_fwd_node, gbp_fwd); - -/* *INDENT-ON* */ - static clib_error_t * gbp_fwd_init (vlib_main_t * vm) { gbp_fwd_main_t *gpm = &gbp_fwd_main; + vlib_node_t *node = vlib_get_node_by_name (vm, (u8 *) "gbp-fwd"); /* Initialize the feature next-node indices */ feat_bitmap_init_next_nodes (vm, - gbp_fwd_node.index, + node->index, L2INPUT_N_FEAT, l2input_get_feat_names (), gpm->l2_input_feat_next); |