diff options
Diffstat (limited to 'src/vnet/dpo/interface_dpo.c')
| -rw-r--r-- | src/vnet/dpo/interface_dpo.c | 446 |
1 files changed, 0 insertions, 446 deletions
diff --git a/src/vnet/dpo/interface_dpo.c b/src/vnet/dpo/interface_dpo.c deleted file mode 100644 index 780bfa2a..00000000 --- a/src/vnet/dpo/interface_dpo.c +++ /dev/null @@ -1,446 +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/interface_dpo.h> -#include <vnet/fib/fib_node.h> - -/* - * The 'DB' of interface DPOs. - * There is only one per-interface per-protocol, so this is a per-interface - * vector - */ -static index_t *interface_dpo_db[DPO_PROTO_NUM]; - -static interface_dpo_t * -interface_dpo_alloc (void) -{ - interface_dpo_t *ido; - - pool_get(interface_dpo_pool, ido); - - return (ido); -} - -static inline interface_dpo_t * -interface_dpo_get_from_dpo (const dpo_id_t *dpo) -{ - ASSERT(DPO_INTERFACE == dpo->dpoi_type); - - return (interface_dpo_get(dpo->dpoi_index)); -} - -static inline index_t -interface_dpo_get_index (interface_dpo_t *ido) -{ - return (ido - interface_dpo_pool); -} - -static void -interface_dpo_lock (dpo_id_t *dpo) -{ - interface_dpo_t *ido; - - ido = interface_dpo_get_from_dpo(dpo); - ido->ido_locks++; -} - -static void -interface_dpo_unlock (dpo_id_t *dpo) -{ - interface_dpo_t *ido; - - ido = interface_dpo_get_from_dpo(dpo); - ido->ido_locks--; - - if (0 == ido->ido_locks) - { - interface_dpo_db[ido->ido_proto][ido->ido_sw_if_index] = - INDEX_INVALID; - pool_put(interface_dpo_pool, ido); - } -} - -/* - * interface_dpo_add_or_lock - * - * Add/create and lock a new or lock an existing for the interface DPO - * on the interface and protocol given - */ -void -interface_dpo_add_or_lock (dpo_proto_t proto, - u32 sw_if_index, - dpo_id_t *dpo) -{ - interface_dpo_t *ido; - - vec_validate_init_empty(interface_dpo_db[proto], - sw_if_index, - INDEX_INVALID); - - if (INDEX_INVALID == interface_dpo_db[proto][sw_if_index]) - { - ido = interface_dpo_alloc(); - - ido->ido_sw_if_index = sw_if_index; - ido->ido_proto = proto; - - interface_dpo_db[proto][sw_if_index] = - interface_dpo_get_index(ido); - } - else - { - ido = interface_dpo_get(interface_dpo_db[proto][sw_if_index]); - } - - dpo_set(dpo, DPO_INTERFACE, proto, interface_dpo_get_index(ido)); -} - - -static clib_error_t * -interface_dpo_interface_state_change (vnet_main_t * vnm, - u32 sw_if_index, - u32 flags) -{ - /* - */ - return (NULL); -} - -VNET_SW_INTERFACE_ADMIN_UP_DOWN_FUNCTION( - interface_dpo_interface_state_change); - -/** - * @brief Registered callback for HW interface state changes - */ -static clib_error_t * -interface_dpo_hw_interface_state_change (vnet_main_t * vnm, - u32 hw_if_index, - u32 flags) -{ - return (NULL); -} - -VNET_HW_INTERFACE_LINK_UP_DOWN_FUNCTION( - interface_dpo_hw_interface_state_change); - -static clib_error_t * -interface_dpo_interface_delete (vnet_main_t * vnm, - u32 sw_if_index, - u32 is_add) -{ - return (NULL); -} - -VNET_SW_INTERFACE_ADD_DEL_FUNCTION( - interface_dpo_interface_delete); - -u8* -format_interface_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(); - interface_dpo_t *ido = interface_dpo_get(index); - - return (format(s, "%U-dpo: %U", - format_vnet_sw_interface_name, - vnm, - vnet_get_sw_interface(vnm, ido->ido_sw_if_index), - format_dpo_proto, ido->ido_proto)); -} - -static void -interface_dpo_mem_show (void) -{ - fib_show_memory_usage("Interface", - pool_elts(interface_dpo_pool), - pool_len(interface_dpo_pool), - sizeof(interface_dpo_t)); -} - - -const static dpo_vft_t interface_dpo_vft = { - .dv_lock = interface_dpo_lock, - .dv_unlock = interface_dpo_unlock, - .dv_format = format_interface_dpo, - .dv_mem_show = interface_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 interface_dpo_ip4_nodes[] = -{ - "interface-dpo-ip4", - NULL, -}; -const static char* const interface_dpo_ip6_nodes[] = -{ - "interface-dpo-ip4", - NULL, -}; -const static char* const interface_dpo_l2_nodes[] = -{ - "interface-dpo-l2", - NULL, -}; - -const static char* const * const interface_dpo_nodes[DPO_PROTO_NUM] = -{ - [DPO_PROTO_IP4] = interface_dpo_ip4_nodes, - [DPO_PROTO_IP6] = interface_dpo_ip6_nodes, - [DPO_PROTO_ETHERNET] = interface_dpo_l2_nodes, - [DPO_PROTO_MPLS] = NULL, -}; - -void -interface_dpo_module_init (void) -{ - dpo_register(DPO_INTERFACE, - &interface_dpo_vft, - interface_dpo_nodes); -} - -/** - * @brief Interface DPO trace data - */ -typedef struct interface_dpo_trace_t_ -{ - u32 sw_if_index; -} interface_dpo_trace_t; - -typedef enum interface_dpo_next_t_ -{ - INTERFACE_DPO_DROP = 0, - INTERFACE_DPO_INPUT = 1, -} interface_dpo_next_t; - -always_inline uword -interface_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; - u32 thread_index = vlib_get_thread_index (); - vnet_interface_main_t *im; - - im = &vnet_get_main ()->interface_main; - 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 interface_dpo_t *ido0, *ido1; - u32 bi0, idoi0, bi1, idoi1; - vlib_buffer_t *b0, *b1; - - 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); - - idoi0 = vnet_buffer(b0)->ip.adj_index[VLIB_TX]; - idoi1 = vnet_buffer(b1)->ip.adj_index[VLIB_TX]; - ido0 = interface_dpo_get(idoi0); - ido1 = interface_dpo_get(idoi1); - - vnet_buffer(b0)->sw_if_index[VLIB_RX] = ido0->ido_sw_if_index; - vnet_buffer(b1)->sw_if_index[VLIB_RX] = ido1->ido_sw_if_index; - - vlib_increment_combined_counter (im->combined_sw_if_counters - + VNET_INTERFACE_COUNTER_RX, - thread_index, - ido0->ido_sw_if_index, - 1, - vlib_buffer_length_in_chain (vm, b0)); - vlib_increment_combined_counter (im->combined_sw_if_counters - + VNET_INTERFACE_COUNTER_RX, - thread_index, - ido1->ido_sw_if_index, - 1, - vlib_buffer_length_in_chain (vm, b1)); - - if (PREDICT_FALSE(b0->flags & VLIB_BUFFER_IS_TRACED)) - { - interface_dpo_trace_t *tr0; - - tr0 = vlib_add_trace (vm, node, b0, sizeof (*tr0)); - tr0->sw_if_index = ido0->ido_sw_if_index; - } - if (PREDICT_FALSE(b1->flags & VLIB_BUFFER_IS_TRACED)) - { - interface_dpo_trace_t *tr1; - - tr1 = vlib_add_trace (vm, node, b1, sizeof (*tr1)); - tr1->sw_if_index = ido1->ido_sw_if_index; - } - - vlib_validate_buffer_enqueue_x2(vm, node, next_index, to_next, - n_left_to_next, bi0, bi1, - INTERFACE_DPO_INPUT, - INTERFACE_DPO_INPUT); - } - - while (n_left_from > 0 && n_left_to_next > 0) - { - const interface_dpo_t * ido0; - vlib_buffer_t * b0; - u32 bi0, idoi0; - - 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); - - idoi0 = vnet_buffer(b0)->ip.adj_index[VLIB_TX]; - ido0 = interface_dpo_get(idoi0); - - /* Swap the RX interface of the packet to the one the - * interface DPR represents */ - vnet_buffer(b0)->sw_if_index[VLIB_RX] = ido0->ido_sw_if_index; - - /* Bump the interface's RX coutners */ - vlib_increment_combined_counter (im->combined_sw_if_counters - + VNET_INTERFACE_COUNTER_RX, - thread_index, - ido0->ido_sw_if_index, - 1, - vlib_buffer_length_in_chain (vm, b0)); - - if (PREDICT_FALSE(b0->flags & VLIB_BUFFER_IS_TRACED)) - { - interface_dpo_trace_t *tr; - - tr = vlib_add_trace (vm, node, b0, sizeof (*tr)); - tr->sw_if_index = ido0->ido_sw_if_index; - } - - vlib_validate_buffer_enqueue_x1(vm, node, next_index, to_next, - n_left_to_next, bi0, - INTERFACE_DPO_INPUT); - } - vlib_put_next_frame (vm, node, next_index, n_left_to_next); - } - return from_frame->n_vectors; -} - -static u8 * -format_interface_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 *); - interface_dpo_trace_t * t = va_arg (*args, interface_dpo_trace_t *); - uword 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 -interface_dpo_ip4 (vlib_main_t * vm, - vlib_node_runtime_t * node, - vlib_frame_t * from_frame) -{ - return (interface_dpo_inline(vm, node, from_frame)); -} - -static uword -interface_dpo_ip6 (vlib_main_t * vm, - vlib_node_runtime_t * node, - vlib_frame_t * from_frame) -{ - return (interface_dpo_inline(vm, node, from_frame)); -} - -static uword -interface_dpo_l2 (vlib_main_t * vm, - vlib_node_runtime_t * node, - vlib_frame_t * from_frame) -{ - return (interface_dpo_inline(vm, node, from_frame)); -} - -VLIB_REGISTER_NODE (interface_dpo_ip4_node) = { - .function = interface_dpo_ip4, - .name = "interface-dpo-ip4", - .vector_size = sizeof (u32), - .format_trace = format_interface_dpo_trace, - - .n_next_nodes = 2, - .next_nodes = { - [INTERFACE_DPO_DROP] = "ip4-drop", - [INTERFACE_DPO_INPUT] = "ip4-input", - }, -}; - -VLIB_NODE_FUNCTION_MULTIARCH (interface_dpo_ip4_node, - interface_dpo_ip4) - -VLIB_REGISTER_NODE (interface_dpo_ip6_node) = { - .function = interface_dpo_ip6, - .name = "interface-dpo-ip6", - .vector_size = sizeof (u32), - .format_trace = format_interface_dpo_trace, - - .n_next_nodes = 2, - .next_nodes = { - [INTERFACE_DPO_DROP] = "ip6-drop", - [INTERFACE_DPO_INPUT] = "ip6-input", - }, -}; - -VLIB_NODE_FUNCTION_MULTIARCH (interface_dpo_ip6_node, - interface_dpo_ip6) - -VLIB_REGISTER_NODE (interface_dpo_l2_node) = { - .function = interface_dpo_l2, - .name = "interface-dpo-l2", - .vector_size = sizeof (u32), - .format_trace = format_interface_dpo_trace, - - .n_next_nodes = 2, - .next_nodes = { - [INTERFACE_DPO_DROP] = "error-drop", - [INTERFACE_DPO_INPUT] = "l2-input", - }, -}; - -VLIB_NODE_FUNCTION_MULTIARCH (interface_dpo_l2_node, - interface_dpo_l2) - |