/* * Copyright (c) 2015 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 <stdint.h> #include <vlib/vlib.h> #include <vnet/vnet.h> #include <vnet/policer/policer.h> #include <vnet/ip/ip.h> #include <vnet/classify/policer_classify.h> #include <vnet/classify/vnet_classify.h> #define IP4_NON_DSCP_BITS 0x03 #define IP4_DSCP_SHIFT 2 #define IP6_NON_DSCP_BITS 0xf03fffff #define IP6_DSCP_SHIFT 22 /* Dispatch functions meant to be instantiated elsewhere */ typedef struct { u32 next_index; u32 sw_if_index; u32 policer_index; } vnet_policer_trace_t; /* packet trace format function */ static u8 * format_policer_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 *); vnet_policer_trace_t *t = va_arg (*args, vnet_policer_trace_t *); s = format (s, "VNET_POLICER: sw_if_index %d policer_index %d next %d", t->sw_if_index, t->policer_index, t->next_index); return s; } #define foreach_vnet_policer_error \ _(TRANSMIT, "Packets Transmitted") \ _(DROP, "Packets Dropped") typedef enum { #define _(sym,str) VNET_POLICER_ERROR_##sym, foreach_vnet_policer_error #undef _ VNET_POLICER_N_ERROR, } vnet_policer_error_t; static char *vnet_policer_error_strings[] = { #define _(sym,string) string, foreach_vnet_policer_error #undef _ }; static_always_inline void vnet_policer_mark (vlib_buffer_t * b, u8 dscp) { ethernet_header_t *eh; ip4_header_t *ip4h; ip6_header_t *ip6h; u16 type; eh = (ethernet_header_t *) b->data; type = clib_net_to_host_u16 (eh->type); if (PREDICT_TRUE (type == ETHERNET_TYPE_IP4)) { ip4h = (ip4_header_t *) & (b->data[sizeof (ethernet_header_t)]);; ip4h->tos &= IP4_NON_DSCP_BITS; ip4h->tos |= dscp << IP4_DSCP_SHIFT; ip4h->checksum = ip4_header_checksum (ip4h); } else { if (PREDICT_TRUE (type == ETHERNET_TYPE_IP6)) { ip6h = (ip6_header_t *) & (b->data[sizeof (ethernet_header_t)]); ip6h->ip_version_traffic_class_and_flow_label &= clib_host_to_net_u32 (IP6_NON_DSCP_BITS); ip6h->ip_version_traffic_class_and_flow_label |= clib_host_to_net_u32 (dscp << IP6_DSCP_SHIFT); } } } static_always_inline u8 vnet_policer_police (vlib_main_t * vm, vlib_buffer_t * b, u32 policer_index, u64 time_in_policer_periods, policer_result_e packet_color) { u8 act; u32 len; u32 col; policer_read_response_type_st *pol; vnet_policer_main_t *pm = &vnet_policer_main; len = vlib_buffer_length_in_chain (vm, b); pol = &pm->policers[policer_index]; col = vnet_police_packet (pol, len, packet_color, time_in_policer_periods); act = pol->action[col]; if (PREDICT_TRUE (act == SSE2_QOS_ACTION_MARK_AND_TRANSMIT)) vnet_policer_mark (b, pol->mark_dscp[col]); return act; } static inline uword vnet_policer_inline (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame, vnet_policer_index_t which) { u32 n_left_from, *from, *to_next; vnet_policer_next_t next_index; vnet_policer_main_t *pm = &vnet_policer_main; u64 time_in_policer_periods; u32 transmitted = 0; time_in_policer_periods = clib_cpu_time_now () >> POLICER_TICKS_PER_PERIOD_SHIFT; from = vlib_frame_vector_args (frame); n_left_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) { u32 bi0, bi1; vlib_buffer_t *b0, *b1; u32 next0, next1; u32 sw_if_index0, sw_if_index1; u32 pi0 = 0, pi1 = 0; u8 act0, act1; /* Prefetch next iteration. */ { vlib_buffer_t *b2, *b3; b2 = vlib_get_buffer (vm, from[2]); b3 = vlib_get_buffer (vm, from[3]); vlib_prefetch_buffer_header (b2, LOAD); vlib_prefetch_buffer_header (b3, LOAD); } /* speculatively enqueue b0 and b1 to the current next frame */ to_next[0] = bi0 = from[0]; to_next[1] = bi1 = from[1]; 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); sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX]; next0 = VNET_POLICER_NEXT_TRANSMIT; sw_if_index1 = vnet_buffer (b1)->sw_if_index[VLIB_RX]; next1 = VNET_POLICER_NEXT_TRANSMIT; if (which == VNET_POLICER_INDEX_BY_SW_IF_INDEX) { pi0 = pm->policer_index_by_sw_if_index[sw_if_index0]; pi1 = pm->policer_index_by_sw_if_index[sw_if_index1]; } if (which == VNET_POLICER_INDEX_BY_OPAQUE) { pi0 = vnet_buffer (b0)->policer.index; pi1 = vnet_buffer (b1)->policer.index; } if (which == VNET_POLICER_INDEX_BY_EITHER) { pi0 = vnet_buffer (b0)->policer.index; pi0 = (pi0 != ~0) ? pi0 : pm->policer_index_by_sw_if_index[sw_if_index0]; pi1 = vnet_buffer (b1)->policer.index; pi1 = (pi1 != ~0) ? pi1 : pm->policer_index_by_sw_if_index[sw_if_index1]; } act0 = vnet_policer_police (vm, b0, pi0, time_in_policer_periods, POLICE_CONFORM /* no chaining */ ); act1 = vnet_policer_police (vm, b1, pi1, time_in_policer_periods, POLICE_CONFORM /* no chaining */ ); if (PREDICT_FALSE (act0 == SSE2_QOS_ACTION_DROP)) /* drop action */ { next0 = VNET_POLICER_NEXT_DROP; b0->error = node->errors[VNET_POLICER_ERROR_DROP]; } else /* transmit or mark-and-transmit action */ { transmitted++; } if (PREDICT_FALSE (act1 == SSE2_QOS_ACTION_DROP)) /* drop action */ { next1 = VNET_POLICER_NEXT_DROP; b1->error = node->errors[VNET_POLICER_ERROR_DROP]; } else /* transmit or mark-and-transmit action */ { transmitted++; } if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE))) { if (b0->flags & VLIB_BUFFER_IS_TRACED) { vnet_policer_trace_t *t = vlib_add_trace (vm, node, b0, sizeof (*t)); t->sw_if_index = sw_if_index0; t->next_index = next0; } if (b1->flags & VLIB_BUFFER_IS_TRACED) { vnet_policer_trace_t *t = vlib_add_trace (vm, node, b1, sizeof (*t)); t->sw_if_index = sw_if_index1; t->next_index = next1; } } /* verify speculative enqueues, maybe switch current next frame */ vlib_validate_buffer_enqueue_x2 (vm, node, next_index, to_next, n_left_to_next, bi0, bi1, next0, next1); } while (n_left_from > 0 && n_left_to_next > 0) { u32 bi0; vlib_buffer_t *b0; u32 next0; u32 sw_if_index0; u32 pi0 = 0; u8 act0; 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); sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX]; next0 = VNET_POLICER_NEXT_TRANSMIT; if (which == VNET_POLICER_INDEX_BY_SW_IF_INDEX) pi0 = pm->policer_index_by_sw_if_index[sw_if_index0]; if (which == VNET_POLICER_INDEX_BY_OPAQUE) pi0 = vnet_buffer (b0)->policer.index; if (which == VNET_POLICER_INDEX_BY_EITHER) { pi0 = vnet_buffer (b0)->policer.index; pi0 = (pi0 != ~0) ? pi0 : pm->policer_index_by_sw_if_index[sw_if_index0]; } act0 = vnet_policer_police (vm, b0, pi0, time_in_policer_periods, POLICE_CONFORM /* no chaining */ ); if (PREDICT_FALSE (act0 == SSE2_QOS_ACTION_DROP)) /* drop action */ { next0 = VNET_POLICER_NEXT_DROP; b0->error = node->errors[VNET_POLICER_ERROR_DROP]; } else /* transmit or mark-and-transmit action */ { transmitted++; } if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE) && (b0->flags & VLIB_BUFFER_IS_TRACED))) { vnet_policer_trace_t *t = vlib_add_trace (vm, node, b0, sizeof (*t)); t->sw_if_index = sw_if_index0; t->next_index = next0; t->policer_index = pi0; } /* 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); } vlib_node_increment_counter (vm, node->node_index, VNET_POLICER_ERROR_TRANSMIT, transmitted); return frame->n_vectors; } uword vnet_policer_by_sw_if_index (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame) { return vnet_policer_inline (vm, node, frame, VNET_POLICER_INDEX_BY_SW_IF_INDEX); } uword vnet_policer_by_opaque (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame) { return vnet_policer_inline (vm, node, frame, VNET_POLICER_INDEX_BY_OPAQUE); } uword vnet_policer_by_either (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame) { return vnet_policer_inline (vm, node, frame, VNET_POLICER_INDEX_BY_EITHER); } void vnet_policer_node_funcs_reference (void) { } #define TEST_CODE 1 #ifdef TEST_CODE /* *INDENT-OFF* */ VLIB_REGISTER_NODE (policer_by_sw_if_index_node, static) = { .function = vnet_policer_by_sw_if_index, .name = "policer-by-sw-if-index", .vector_size = sizeof (u32), .format_trace = format_policer_trace, .type = VLIB_NODE_TYPE_INTERNAL, .n_errors = ARRAY_LEN(vnet_policer_error_strings), .error_strings = vnet_policer_error_strings, .n_next_nodes = VNET_POLICER_N_NEXT, /* edit / add dispositions here */ .next_nodes = { [VNET_POLICER_NEXT_TRANSMIT] = "ethernet-input", [VNET_POLICER_NEXT_DROP] = "error-drop", }, }; VLIB_NODE_FUNCTION_MULTIARCH (policer_by_sw_if_index_node, vnet_policer_by_sw_if_index); /* *INDENT-ON* */ int test_policer_add_del (u32 rx_sw_if_index, u8 * config_name, int is_add) { vnet_policer_main_t *pm = &vnet_policer_main; policer_read_response_type_st *template; policer_read_response_type_st *policer; vnet_hw_interface_t *rxhi; uword *p; rxhi = vnet_get_sup_hw_interface (pm->vnet_main, rx_sw_if_index); /* Make sure caller didn't pass a vlan subif, etc. */ if (rxhi->sw_if_index != rx_sw_if_index) return VNET_API_ERROR_INVALID_SW_IF_INDEX; if (is_add) { p = hash_get_mem (pm->policer_config_by_name, config_name); if (p == 0) return -2; template = pool_elt_at_index (pm->policer_templates, p[0]); vnet_hw_interface_rx_redirect_to_node (pm->vnet_main, rxhi->hw_if_index, policer_by_sw_if_index_node.index); pool_get_aligned (pm->policers, policer, CLIB_CACHE_LINE_BYTES); policer[0] = template[0]; vec_validate (pm->policer_index_by_sw_if_index, rx_sw_if_index); pm->policer_index_by_sw_if_index[rx_sw_if_index] = policer - pm->policers; } else { u32 pi; vnet_hw_interface_rx_redirect_to_node (pm->vnet_main, rxhi->hw_if_index, ~0 /* disable */ ); pi = pm->policer_index_by_sw_if_index[rx_sw_if_index]; pm->policer_index_by_sw_if_index[rx_sw_if_index] = ~0; pool_put_index (pm->policers, pi); } return 0; } static clib_error_t * test_policer_command_fn (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { vnet_policer_main_t *pm = &vnet_policer_main; unformat_input_t _line_input, *line_input = &_line_input; u32 rx_sw_if_index; int rv; u8 *config_name = 0; int rx_set = 0; int is_add = 1; int is_show = 0; clib_error_t *error = NULL; /* Get a line of input. */ if (!unformat_user (input, unformat_line_input, line_input)) return 0; while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) { if (unformat (line_input, "intfc %U", unformat_vnet_sw_interface, pm->vnet_main, &rx_sw_if_index)) rx_set = 1; else if (unformat (line_input, "show")) is_show = 1; else if (unformat (line_input, "policer %s", &config_name)) ; else if (unformat (line_input, "del")) is_add = 0; else break; } if (rx_set == 0) { error = clib_error_return (0, "interface not set"); goto done; } if (is_show) { u32 pi = pm->policer_index_by_sw_if_index[rx_sw_if_index]; policer_read_response_type_st *policer; policer = pool_elt_at_index (pm->policers, pi); vlib_cli_output (vm, "%U", format_policer_instance, policer); goto done; } if (is_add && config_name == 0) { error = clib_error_return (0, "policer config name required"); goto done; } rv = test_policer_add_del (rx_sw_if_index, config_name, is_add); switch (rv) { case 0: break; default: error = clib_error_return (0, "WARNING: vnet_vnet_policer_add_del returned %d", rv); goto done; } done: unformat_free (line_input); return error; } /* *INDENT-OFF* */ VLIB_CLI_COMMAND (test_patch_command, static) = { .path = "test policer", .short_help = "intfc <intfc> policer <policer-config-name> [del]", .function = test_policer_command_fn, }; /* *INDENT-ON* */ #endif /* TEST_CODE */ typedef struct { u32 sw_if_index; u32 next_index; u32 table_index; u32 offset; u32 policer_index; } policer_classify_trace_t; static u8 * format_policer_classify_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 *); policer_classify_trace_t *t = va_arg (*args, policer_classify_trace_t *); s = format (s, "POLICER_CLASSIFY: sw_if_index %d next %d table %d offset %d" " policer_index %d", t->sw_if_index, t->next_index, t->table_index, t->offset, t->policer_index); return s; } #define foreach_policer_classify_error \ _(MISS, "Policer classify misses") \ _(HIT, "Policer classify hits") \ _(CHAIN_HIT, "Polcier classify hits after chain walk") \ _(DROP, "Policer classify action drop") typedef enum { #define _(sym,str) POLICER_CLASSIFY_ERROR_##sym, foreach_policer_classify_error #undef _ POLICER_CLASSIFY_N_ERROR, } policer_classify_error_t; static char *policer_classify_error_strings[] = { #define _(sym,string) string, foreach_policer_classify_error #undef _ }; static inline uword policer_classify_inline (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame, policer_classify_table_id_t tid) { u32 n_left_from, *from, *to_next; policer_classify_next_index_t next_index; policer_classify_main_t *pcm = &policer_classify_main; vnet_classify_main_t *vcm = pcm->vnet_classify_main; f64 now = vlib_time_now (vm); u32 hits = 0; u32 misses = 0; u32 chain_hits = 0; u32 drop = 0; u32 n_next_nodes; u64 time_in_policer_periods; time_in_policer_periods = clib_cpu_time_now () >> POLICER_TICKS_PER_PERIOD_SHIFT; n_next_nodes = node->n_next_nodes; from = vlib_frame_vector_args (frame); n_left_from = frame->n_vectors; /* First pass: compute hashes */ while (n_left_from > 2) { vlib_buffer_t *b0, *b1; u32 bi0, bi1; u8 *h0, *h1; u32 sw_if_index0, sw_if_index1; u32 table_index0, table_index1; vnet_classify_table_t *t0, *t1; /* Prefetch next iteration */ { vlib_buffer_t *p1, *p2; p1 = vlib_get_buffer (vm, from[1]); p2 = vlib_get_buffer (vm, from[2]); vlib_prefetch_buffer_header (p1, STORE); CLIB_PREFETCH (p1->data, CLIB_CACHE_LINE_BYTES, STORE); vlib_prefetch_buffer_header (p2, STORE); CLIB_PREFETCH (p2->data, CLIB_CACHE_LINE_BYTES, STORE); } bi0 = from[0]; b0 = vlib_get_buffer (vm, bi0); h0 = b0->data; bi1 = from[1]; b1 = vlib_get_buffer (vm, bi1); h1 = b1->data; sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX]; table_index0 = pcm->classify_table_index_by_sw_if_index[tid][sw_if_index0]; sw_if_index1 = vnet_buffer (b1)->sw_if_index[VLIB_RX]; table_index1 = pcm->classify_table_index_by_sw_if_index[tid][sw_if_index1]; t0 = pool_elt_at_index (vcm->tables, table_index0); t1 = pool_elt_at_index (vcm->tables, table_index1); vnet_buffer (b0)->l2_classify.hash = vnet_classify_hash_packet (t0, (u8 *) h0); vnet_classify_prefetch_bucket (t0, vnet_buffer (b0)->l2_classify.hash); vnet_buffer (b1)->l2_classify.hash = vnet_classify_hash_packet (t1, (u8 *) h1); vnet_classify_prefetch_bucket (t1, vnet_buffer (b1)->l2_classify.hash); vnet_buffer (b0)->l2_classify.table_index = table_index0; vnet_buffer (b1)->l2_classify.table_index = table_index1; from += 2; n_left_from -= 2; } while (n_left_from > 0) { vlib_buffer_t *b0; u32 bi0; u8 *h0; u32 sw_if_index0; u32 table_index0; vnet_classify_table_t *t0; bi0 = from[0]; b0 = vlib_get_buffer (vm, bi0); h0 = b0->data; sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX]; table_index0 = pcm->classify_table_index_by_sw_if_index[tid][sw_if_index0]; t0 = pool_elt_at_index (vcm->tables, table_index0); vnet_buffer (b0)->l2_classify.hash = vnet_classify_hash_packet (t0, (u8 *) h0); vnet_buffer (b0)->l2_classify.table_index = table_index0; vnet_classify_prefetch_bucket (t0, vnet_buffer (b0)->l2_classify.hash); from++; n_left_from--; } next_index = node->cached_next_index; from = vlib_frame_vector_args (frame); n_left_from = frame->n_vectors; while (n_left_from > 0) { u32 n_left_to_next; vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next); /* Not enough load/store slots to dual loop... */ while (n_left_from > 0 && n_left_to_next > 0) { u32 bi0; vlib_buffer_t *b0; u32 next0 = POLICER_CLASSIFY_NEXT_INDEX_DROP; u32 table_index0; vnet_classify_table_t *t0; vnet_classify_entry_t *e0; u64 hash0; u8 *h0; u8 act0; /* Stride 3 seems to work best */ if (PREDICT_TRUE (n_left_from > 3)) { vlib_buffer_t *p1 = vlib_get_buffer (vm, from[3]); vnet_classify_table_t *tp1; u32 table_index1; u64 phash1; table_index1 = vnet_buffer (p1)->l2_classify.table_index; if (PREDICT_TRUE (table_index1 != ~0)) { tp1 = pool_elt_at_index (vcm->tables, table_index1); phash1 = vnet_buffer (p1)->l2_classify.hash; vnet_classify_prefetch_entry (tp1, phash1); } } /* Speculatively enqueue b0 to the current next frame */ 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); h0 = b0->data; table_index0 = vnet_buffer (b0)->l2_classify.table_index; e0 = 0; t0 = 0; if (tid == POLICER_CLASSIFY_TABLE_L2) { /* Feature bitmap update */ vnet_buffer (b0)->l2.feature_bitmap &= ~L2INPUT_FEAT_POLICER_CLAS; /* Determine the next node */ next0 = feat_bitmap_get_next_node_index (pcm->feat_next_node_index, vnet_buffer (b0)-> l2.feature_bitmap); } else vnet_get_config_data (pcm->vnet_config_main[tid], &b0->current_config_index, &next0, /* # bytes of config data */ 0); vnet_buffer (b0)->l2_classify.opaque_index = ~0; if (PREDICT_TRUE (table_index0 != ~0)) { hash0 = vnet_buffer (b0)->l2_classify.hash; t0 = pool_elt_at_index (vcm->tables, table_index0); e0 = vnet_classify_find_entry (t0, (u8 *) h0, hash0, now); if (e0) { act0 = vnet_policer_police (vm, b0, e0->next_index, time_in_policer_periods, e0->opaque_index); if (PREDICT_FALSE (act0 == SSE2_QOS_ACTION_DROP)) { next0 = POLICER_CLASSIFY_NEXT_INDEX_DROP; b0->error = node->errors[POLICER_CLASSIFY_ERROR_DROP]; drop++; } hits++; } else { while (1) { if (PREDICT_TRUE (t0->next_table_index != ~0)) { t0 = pool_elt_at_index (vcm->tables, t0->next_table_index); } else { next0 = (t0->miss_next_index < n_next_nodes) ? t0->miss_next_index : next0; misses++; break; } hash0 = vnet_classify_hash_packet (t0, (u8 *) h0); e0 = vnet_classify_find_entry (t0, (u8 *) h0, hash0, now); if (e0) { act0 = vnet_policer_police (vm, b0, e0->next_index, time_in_policer_periods, e0->opaque_index); if (PREDICT_FALSE (act0 == SSE2_QOS_ACTION_DROP)) { next0 = POLICER_CLASSIFY_NEXT_INDEX_DROP; b0->error = node->errors[POLICER_CLASSIFY_ERROR_DROP]; drop++; } hits++; chain_hits++; break; } } } } if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE) && (b0->flags & VLIB_BUFFER_IS_TRACED))) { policer_classify_trace_t *t = vlib_add_trace (vm, node, b0, sizeof (*t)); t->sw_if_index = vnet_buffer (b0)->sw_if_index[VLIB_RX]; t->next_index = next0; t->table_index = t0 ? t0 - vcm->tables : ~0; t->offset = (e0 && t0) ? vnet_classify_get_offset (t0, e0) : ~0; t->policer_index = e0 ? e0->next_index : ~0; } /* 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); } vlib_node_increment_counter (vm, node->node_index, POLICER_CLASSIFY_ERROR_MISS, misses); vlib_node_increment_counter (vm, node->node_index, POLICER_CLASSIFY_ERROR_HIT, hits); vlib_node_increment_counter (vm, node->node_index, POLICER_CLASSIFY_ERROR_CHAIN_HIT, chain_hits); vlib_node_increment_counter (vm, node->node_index, POLICER_CLASSIFY_ERROR_DROP, drop); return frame->n_vectors; } static uword ip4_policer_classify (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame) { return policer_classify_inline (vm, node, frame, POLICER_CLASSIFY_TABLE_IP4); } /* *INDENT-OFF* */ VLIB_REGISTER_NODE (ip4_policer_classify_node) = { .function = ip4_policer_classify, .name = "ip4-policer-classify", .vector_size = sizeof (u32), .format_trace = format_policer_classify_trace, .n_errors = ARRAY_LEN(policer_classify_error_strings), .error_strings = policer_classify_error_strings, .n_next_nodes = POLICER_CLASSIFY_NEXT_INDEX_N_NEXT, .next_nodes = { [POLICER_CLASSIFY_NEXT_INDEX_DROP] = "error-drop", }, }; VLIB_NODE_FUNCTION_MULTIARCH (ip4_policer_classify_node, ip4_policer_classify); /* *INDENT-ON* */ static uword ip6_policer_classify (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame) { return policer_classify_inline (vm, node, frame, POLICER_CLASSIFY_TABLE_IP6); } /* *INDENT-OFF* */ VLIB_REGISTER_NODE (ip6_policer_classify_node) = { .function = ip6_policer_classify, .name = "ip6-policer-classify", .vector_size = sizeof (u32), .format_trace = format_policer_classify_trace, .n_errors = ARRAY_LEN(policer_classify_error_strings), .error_strings = policer_classify_error_strings, .n_next_nodes = POLICER_CLASSIFY_NEXT_INDEX_N_NEXT, .next_nodes = { [POLICER_CLASSIFY_NEXT_INDEX_DROP] = "error-drop", }, }; VLIB_NODE_FUNCTION_MULTIARCH (ip6_policer_classify_node, ip6_policer_classify); /* *INDENT-ON* */ static uword l2_policer_classify (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame) { return policer_classify_inline (vm, node, frame, POLICER_CLASSIFY_TABLE_L2); } VLIB_REGISTER_NODE (l2_policer_classify_node) = { .function = l2_policer_classify,.name = "l2-policer-classify",.vector_size = sizeof (u32),.format_trace = format_policer_classify_trace,.n_errors = ARRAY_LEN (policer_classify_error_strings),.error_strings = policer_classify_error_strings,.n_next_nodes = POLICER_CLASSIFY_NEXT_INDEX_N_NEXT,.next_nodes = { [POLICER_CLASSIFY_NEXT_INDEX_DROP] = "error-drop",} ,}; VLIB_NODE_FUNCTION_MULTIARCH (l2_policer_classify_node, l2_policer_classify); static clib_error_t * policer_classify_init (vlib_main_t * vm) { policer_classify_main_t *pcm = &policer_classify_main; pcm->vlib_main = vm; pcm->vnet_main = vnet_get_main (); pcm->vnet_classify_main = &vnet_classify_main; /* Initialize L2 feature next-node indexes */ feat_bitmap_init_next_nodes (vm, l2_policer_classify_node.index, L2INPUT_N_FEAT, l2input_get_feat_names (), pcm->feat_next_node_index); return 0; } VLIB_INIT_FUNCTION (policer_classify_init); /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */