+++ /dev/null
-/*
- * 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:
- */
Code Review / vpp.git / blobdiff