diff options
Diffstat (limited to 'src/vnet/dpo/l2_bridge_dpo.c')
| -rw-r--r-- | src/vnet/dpo/l2_bridge_dpo.c | 375 |
1 files changed, 0 insertions, 375 deletions
diff --git a/src/vnet/dpo/l2_bridge_dpo.c b/src/vnet/dpo/l2_bridge_dpo.c deleted file mode 100644 index fd92a61e960..00000000000 --- a/src/vnet/dpo/l2_bridge_dpo.c +++ /dev/null @@ -1,375 +0,0 @@ -/* - * Copyright (c) 2016 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 <vnet/dpo/l2_bridge_dpo.h> -#include <vnet/fib/fib_node.h> -#include <vnet/ethernet/ethernet.h> - -/* - * The 'DB' of L2 bridge DPOs. - * There is only one per-interface, so this is a per-interface vector - */ -static index_t *l2_bridge_dpo_db; - -static l2_bridge_dpo_t * -l2_bridge_dpo_alloc (void) -{ - l2_bridge_dpo_t *l2b; - - pool_get(l2_bridge_dpo_pool, l2b); - - return (l2b); -} - -static inline l2_bridge_dpo_t * -l2_bridge_dpo_get_from_dpo (const dpo_id_t *dpo) -{ - ASSERT(DPO_L2_BRIDGE == dpo->dpoi_type); - - return (l2_bridge_dpo_get(dpo->dpoi_index)); -} - -static inline index_t -l2_bridge_dpo_get_index (l2_bridge_dpo_t *l2b) -{ - return (l2b - l2_bridge_dpo_pool); -} - -static void -l2_bridge_dpo_lock (dpo_id_t *dpo) -{ - l2_bridge_dpo_t *l2b; - - l2b = l2_bridge_dpo_get_from_dpo(dpo); - l2b->l2b_locks++; -} - -static void -l2_bridge_dpo_unlock (dpo_id_t *dpo) -{ - l2_bridge_dpo_t *l2b; - - l2b = l2_bridge_dpo_get_from_dpo(dpo); - l2b->l2b_locks--; - - if (0 == l2b->l2b_locks) - { - l2_bridge_dpo_db[l2b->l2b_sw_if_index] = INDEX_INVALID; - pool_put(l2_bridge_dpo_pool, l2b); - } -} - -/* - * l2_bridge_dpo_add_or_lock - * - * Add/create and lock a new or lock an existing for the L2 Bridge - * on the interface given - */ -void -l2_bridge_dpo_add_or_lock (u32 sw_if_index, - dpo_id_t *dpo) -{ - l2_bridge_dpo_t *l2b; - - vec_validate_init_empty(l2_bridge_dpo_db, - sw_if_index, - INDEX_INVALID); - - if (INDEX_INVALID == l2_bridge_dpo_db[sw_if_index]) - { - l2b = l2_bridge_dpo_alloc(); - - l2b->l2b_sw_if_index = sw_if_index; - - l2_bridge_dpo_db[sw_if_index] = - l2_bridge_dpo_get_index(l2b); - } - else - { - l2b = l2_bridge_dpo_get(l2_bridge_dpo_db[sw_if_index]); - } - - dpo_set(dpo, DPO_L2_BRIDGE, DPO_PROTO_ETHERNET, l2_bridge_dpo_get_index(l2b)); -} - - -static clib_error_t * -l2_bridge_dpo_interface_state_change (vnet_main_t * vnm, - u32 sw_if_index, - u32 flags) -{ - /* - */ - return (NULL); -} - -VNET_SW_INTERFACE_ADMIN_UP_DOWN_FUNCTION( - l2_bridge_dpo_interface_state_change); - -/** - * @brief Registered callback for HW interface state changes - */ -static clib_error_t * -l2_bridge_dpo_hw_interface_state_change (vnet_main_t * vnm, - u32 hw_if_index, - u32 flags) -{ - return (NULL); -} - -VNET_HW_INTERFACE_LINK_UP_DOWN_FUNCTION( - l2_bridge_dpo_hw_interface_state_change); - -static clib_error_t * -l2_bridge_dpo_interface_delete (vnet_main_t * vnm, - u32 sw_if_index, - u32 is_add) -{ - return (NULL); -} - -VNET_SW_INTERFACE_ADD_DEL_FUNCTION( - l2_bridge_dpo_interface_delete); - -u8* -format_l2_bridge_dpo (u8* s, va_list *ap) -{ - index_t index = va_arg(*ap, index_t); - CLIB_UNUSED(u32 indent) = va_arg(*ap, u32); - vnet_main_t * vnm = vnet_get_main(); - l2_bridge_dpo_t *l2b = l2_bridge_dpo_get(index); - - return (format(s, "l2-bridge-%U-dpo", - format_vnet_sw_interface_name, - vnm, - vnet_get_sw_interface(vnm, l2b->l2b_sw_if_index))); -} - -static void -l2_bridge_dpo_mem_show (void) -{ - fib_show_memory_usage("L2-bridge", - pool_elts(l2_bridge_dpo_pool), - pool_len(l2_bridge_dpo_pool), - sizeof(l2_bridge_dpo_t)); -} - - -const static dpo_vft_t l2_bridge_dpo_vft = { - .dv_lock = l2_bridge_dpo_lock, - .dv_unlock = l2_bridge_dpo_unlock, - .dv_format = format_l2_bridge_dpo, - .dv_mem_show = l2_bridge_dpo_mem_show, -}; - -/** - * @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 l2_bridge_dpo_l2_nodes[] = -{ - "l2-bridge-dpo", - NULL, -}; - -const static char* const * const l2_bridge_dpo_nodes[DPO_PROTO_NUM] = -{ - [DPO_PROTO_ETHERNET] = l2_bridge_dpo_l2_nodes, -}; - -void -l2_bridge_dpo_module_init (void) -{ - dpo_register(DPO_L2_BRIDGE, - &l2_bridge_dpo_vft, - l2_bridge_dpo_nodes); -} - -/** - * @brief Interface DPO trace data - */ -typedef struct l2_bridge_dpo_trace_t_ -{ - u32 sw_if_index; -} l2_bridge_dpo_trace_t; - -typedef enum l2_bridge_dpo_next_t_ -{ - L2_BRIDGE_DPO_DROP = 0, - L2_BRIDGE_DPO_OUTPUT = 1, -} l2_bridge_dpo_next_t; - -always_inline uword -l2_bridge_dpo_inline (vlib_main_t * vm, - vlib_node_runtime_t * node, - vlib_frame_t * from_frame) -{ - 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 >= 4 && n_left_to_next > 2) - { - const l2_bridge_dpo_t *l2b0, *l2b1; - u32 bi0, l2bi0, bi1, l2bi1; - vlib_buffer_t *b0, *b1; - u8 len0, len1; - - bi0 = from[0]; - to_next[0] = bi0; - bi1 = from[1]; - to_next[1] = bi1; - from += 2; - to_next += 2; - n_left_from -= 2; - n_left_to_next -= 2; - - b0 = vlib_get_buffer (vm, bi0); - b1 = vlib_get_buffer (vm, bi1); - - l2bi0 = vnet_buffer(b0)->ip.adj_index[VLIB_TX]; - l2bi1 = vnet_buffer(b1)->ip.adj_index[VLIB_TX]; - l2b0 = l2_bridge_dpo_get(l2bi0); - l2b1 = l2_bridge_dpo_get(l2bi1); - - vnet_buffer(b0)->sw_if_index[VLIB_TX] = l2b0->l2b_sw_if_index; - vnet_buffer(b1)->sw_if_index[VLIB_TX] = l2b1->l2b_sw_if_index; - - len0 = ((u8*)vlib_buffer_get_current(b0) - - (u8*)ethernet_buffer_get_header(b0)); - len1 = ((u8*)vlib_buffer_get_current(b1) - - (u8*)ethernet_buffer_get_header(b1)); - vnet_buffer(b0)->l2.l2_len = len0; - vnet_buffer(b1)->l2.l2_len = len1; - - vlib_buffer_advance(b0, -len0); - vlib_buffer_advance(b1, -len1); - - if (PREDICT_FALSE(b0->flags & VLIB_BUFFER_IS_TRACED)) - { - l2_bridge_dpo_trace_t *tr0; - - tr0 = vlib_add_trace (vm, node, b0, sizeof (*tr0)); - tr0->sw_if_index = l2b0->l2b_sw_if_index; - } - if (PREDICT_FALSE(b1->flags & VLIB_BUFFER_IS_TRACED)) - { - l2_bridge_dpo_trace_t *tr1; - - tr1 = vlib_add_trace (vm, node, b1, sizeof (*tr1)); - tr1->sw_if_index = l2b1->l2b_sw_if_index; - } - - vlib_validate_buffer_enqueue_x2(vm, node, next_index, to_next, - n_left_to_next, bi0, bi1, - L2_BRIDGE_DPO_OUTPUT, - L2_BRIDGE_DPO_OUTPUT); - } - - while (n_left_from > 0 && n_left_to_next > 0) - { - const l2_bridge_dpo_t * l2b0; - vlib_buffer_t * b0; - u32 bi0, l2bi0; - u8 len0; - - 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); - - l2bi0 = vnet_buffer(b0)->ip.adj_index[VLIB_TX]; - l2b0 = l2_bridge_dpo_get(l2bi0); - - vnet_buffer(b0)->sw_if_index[VLIB_TX] = l2b0->l2b_sw_if_index; - - /* - * take that, rewind it back... - */ - len0 = ((u8*)vlib_buffer_get_current(b0) - - (u8*)ethernet_buffer_get_header(b0)); - vnet_buffer(b0)->l2.l2_len = len0; - vlib_buffer_advance(b0, -len0); - - if (PREDICT_FALSE(b0->flags & VLIB_BUFFER_IS_TRACED)) - { - l2_bridge_dpo_trace_t *tr; - - tr = vlib_add_trace (vm, node, b0, sizeof (*tr)); - tr->sw_if_index = l2b0->l2b_sw_if_index; - } - - vlib_validate_buffer_enqueue_x1(vm, node, next_index, to_next, - n_left_to_next, bi0, - L2_BRIDGE_DPO_OUTPUT); - } - vlib_put_next_frame (vm, node, next_index, n_left_to_next); - } - return from_frame->n_vectors; -} - -static u8 * -format_l2_bridge_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 *); - l2_bridge_dpo_trace_t * t = va_arg (*args, l2_bridge_dpo_trace_t *); - u32 indent = format_get_indent (s); - s = format (s, "%U sw_if_index:%d", - format_white_space, indent, - t->sw_if_index); - return s; -} - -static uword -l2_bridge_dpo_l2 (vlib_main_t * vm, - vlib_node_runtime_t * node, - vlib_frame_t * from_frame) -{ - return (l2_bridge_dpo_inline(vm, node, from_frame)); -} - - -VLIB_REGISTER_NODE (l2_bridge_dpo_l2_node) = { - .function = l2_bridge_dpo_l2, - .name = "l2-bridge-dpo", - .vector_size = sizeof (u32), - .format_trace = format_l2_bridge_dpo_trace, - - .n_next_nodes = 2, - .next_nodes = { - [L2_BRIDGE_DPO_DROP] = "error-drop", - [L2_BRIDGE_DPO_OUTPUT] = "l2-output", - }, -}; - -VLIB_NODE_FUNCTION_MULTIARCH (l2_bridge_dpo_l2_node, - l2_bridge_dpo_l2) |