diff options
Diffstat (limited to 'src/plugins/gbp/gbp_fwd_dpo.c')
| -rw-r--r-- | src/plugins/gbp/gbp_fwd_dpo.c | 306 |
1 files changed, 0 insertions, 306 deletions
diff --git a/src/plugins/gbp/gbp_fwd_dpo.c b/src/plugins/gbp/gbp_fwd_dpo.c deleted file mode 100644 index b1023f5e78f..00000000000 --- a/src/plugins/gbp/gbp_fwd_dpo.c +++ /dev/null @@ -1,306 +0,0 @@ -/* - * Copyright (c) 2018 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: - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#include <plugins/gbp/gbp.h> -#include <plugins/gbp/gbp_fwd_dpo.h> - -#include <vnet/ethernet/ethernet.h> - - -#ifndef CLIB_MARCH_VARIANT -/** - * The 'DB' of GBP FWD DPOs. - * There is one per-proto - */ -static index_t gbp_fwd_dpo_db[DPO_PROTO_NUM] = { INDEX_INVALID }; - -/** - * DPO type registered for these GBP FWD - */ -static dpo_type_t gbp_fwd_dpo_type; - -/** - * @brief pool of all interface DPOs - */ -gbp_fwd_dpo_t *gbp_fwd_dpo_pool; - -static gbp_fwd_dpo_t * -gbp_fwd_dpo_alloc (void) -{ - gbp_fwd_dpo_t *gfd; - - pool_get (gbp_fwd_dpo_pool, gfd); - - return (gfd); -} - -static inline gbp_fwd_dpo_t * -gbp_fwd_dpo_get_from_dpo (const dpo_id_t * dpo) -{ - ASSERT (gbp_fwd_dpo_type == dpo->dpoi_type); - - return (gbp_fwd_dpo_get (dpo->dpoi_index)); -} - -static inline index_t -gbp_fwd_dpo_get_index (gbp_fwd_dpo_t * gfd) -{ - return (gfd - gbp_fwd_dpo_pool); -} - -static void -gbp_fwd_dpo_lock (dpo_id_t * dpo) -{ - gbp_fwd_dpo_t *gfd; - - gfd = gbp_fwd_dpo_get_from_dpo (dpo); - gfd->gfd_locks++; -} - -static void -gbp_fwd_dpo_unlock (dpo_id_t * dpo) -{ - gbp_fwd_dpo_t *gfd; - - gfd = gbp_fwd_dpo_get_from_dpo (dpo); - gfd->gfd_locks--; - - if (0 == gfd->gfd_locks) - { - gbp_fwd_dpo_db[gfd->gfd_proto] = INDEX_INVALID; - pool_put (gbp_fwd_dpo_pool, gfd); - } -} - -void -gbp_fwd_dpo_add_or_lock (dpo_proto_t dproto, dpo_id_t * dpo) -{ - gbp_fwd_dpo_t *gfd; - - if (INDEX_INVALID == gbp_fwd_dpo_db[dproto]) - { - gfd = gbp_fwd_dpo_alloc (); - - gfd->gfd_proto = dproto; - - gbp_fwd_dpo_db[dproto] = gbp_fwd_dpo_get_index (gfd); - } - else - { - gfd = gbp_fwd_dpo_get (gbp_fwd_dpo_db[dproto]); - } - - dpo_set (dpo, gbp_fwd_dpo_type, dproto, gbp_fwd_dpo_get_index (gfd)); -} - -u8 * -format_gbp_fwd_dpo (u8 * s, va_list * ap) -{ - index_t index = va_arg (*ap, index_t); - CLIB_UNUSED (u32 indent) = va_arg (*ap, u32); - gbp_fwd_dpo_t *gfd = gbp_fwd_dpo_get (index); - - return (format (s, "gbp-fwd-dpo: %U", format_dpo_proto, gfd->gfd_proto)); -} - -const static dpo_vft_t gbp_fwd_dpo_vft = { - .dv_lock = gbp_fwd_dpo_lock, - .dv_unlock = gbp_fwd_dpo_unlock, - .dv_format = format_gbp_fwd_dpo, -}; - -/** - * @brief The per-protocol VLIB graph nodes that are assigned to a glean - * object. - * - * this means that these graph nodes are ones from which a glean is the - * parent object in the DPO-graph. - */ -const static char *const gbp_fwd_dpo_ip4_nodes[] = { - "ip4-gbp-fwd-dpo", - NULL, -}; - -const static char *const gbp_fwd_dpo_ip6_nodes[] = { - "ip6-gbp-fwd-dpo", - NULL, -}; - -const static char *const *const gbp_fwd_dpo_nodes[DPO_PROTO_NUM] = { - [DPO_PROTO_IP4] = gbp_fwd_dpo_ip4_nodes, - [DPO_PROTO_IP6] = gbp_fwd_dpo_ip6_nodes, -}; - -dpo_type_t -gbp_fwd_dpo_get_type (void) -{ - return (gbp_fwd_dpo_type); -} - -static clib_error_t * -gbp_fwd_dpo_module_init (vlib_main_t * vm) -{ - dpo_proto_t dproto; - - FOR_EACH_DPO_PROTO (dproto) - { - gbp_fwd_dpo_db[dproto] = INDEX_INVALID; - } - - gbp_fwd_dpo_type = dpo_register_new_type (&gbp_fwd_dpo_vft, - gbp_fwd_dpo_nodes); - - return (NULL); -} - -VLIB_INIT_FUNCTION (gbp_fwd_dpo_module_init); -#endif /* CLIB_MARCH_VARIANT */ - -typedef struct gbp_fwd_dpo_trace_t_ -{ - u32 sclass; - u32 dpo_index; -} gbp_fwd_dpo_trace_t; - -typedef enum -{ - GBP_FWD_DROP, - GBP_FWD_FWD, - GBP_FWD_N_NEXT, -} gbp_fwd_next_t; - -always_inline uword -gbp_fwd_dpo_inline (vlib_main_t * vm, - vlib_node_runtime_t * node, - vlib_frame_t * from_frame, fib_protocol_t fproto) -{ - u32 n_left_from, next_index, *from, *to_next; - - from = vlib_frame_vector_args (from_frame); - n_left_from = from_frame->n_vectors; - - next_index = node->cached_next_index; - - while (n_left_from > 0) - { - 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) - { - const dpo_id_t *next_dpo0; - vlib_buffer_t *b0; - sclass_t sclass0; - u32 bi0, next0; - - 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); - - sclass0 = vnet_buffer2 (b0)->gbp.sclass; - next_dpo0 = gbp_epg_dpo_lookup (sclass0, fproto); - - if (PREDICT_TRUE (NULL != next_dpo0)) - { - vnet_buffer (b0)->ip.adj_index[VLIB_TX] = next_dpo0->dpoi_index; - next0 = GBP_FWD_FWD; - } - else - { - next0 = GBP_FWD_DROP; - } - - if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED)) - { - gbp_fwd_dpo_trace_t *tr; - - tr = vlib_add_trace (vm, node, b0, sizeof (*tr)); - tr->sclass = sclass0; - tr->dpo_index = (NULL != next_dpo0 ? - next_dpo0->dpoi_index : ~0); - } - - 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); - } - return from_frame->n_vectors; -} - -static u8 * -format_gbp_fwd_dpo_trace (u8 * s, va_list * args) -{ - 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_dpo_trace_t *t = va_arg (*args, gbp_fwd_dpo_trace_t *); - - s = format (s, " sclass:%d dpo:%d", t->sclass, t->dpo_index); - - return s; -} - -VLIB_NODE_FN (ip4_gbp_fwd_dpo_node) (vlib_main_t * vm, - vlib_node_runtime_t * node, - vlib_frame_t * from_frame) -{ - return (gbp_fwd_dpo_inline (vm, node, from_frame, FIB_PROTOCOL_IP4)); -} - -VLIB_NODE_FN (ip6_gbp_fwd_dpo_node) (vlib_main_t * vm, - vlib_node_runtime_t * node, - vlib_frame_t * from_frame) -{ - return (gbp_fwd_dpo_inline (vm, node, from_frame, FIB_PROTOCOL_IP6)); -} - -/* *INDENT-OFF* */ -VLIB_REGISTER_NODE (ip4_gbp_fwd_dpo_node) = { - .name = "ip4-gbp-fwd-dpo", - .vector_size = sizeof (u32), - .format_trace = format_gbp_fwd_dpo_trace, - .n_next_nodes = GBP_FWD_N_NEXT, - .next_nodes = - { - [GBP_FWD_DROP] = "ip4-drop", - [GBP_FWD_FWD] = "ip4-dvr-dpo", - } -}; -VLIB_REGISTER_NODE (ip6_gbp_fwd_dpo_node) = { - .name = "ip6-gbp-fwd-dpo", - .vector_size = sizeof (u32), - .format_trace = format_gbp_fwd_dpo_trace, - .n_next_nodes = GBP_FWD_N_NEXT, - .next_nodes = - { - [GBP_FWD_DROP] = "ip6-drop", - [GBP_FWD_FWD] = "ip6-dvr-dpo", - } -}; -/* *INDENT-ON* */ - -/* - * fd.io coding-style-patch-verification: ON - * - * Local Variables: - * eval: (c-set-style "gnu") - * End: - */ |