Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2015 Cisco and/or its affiliates. |
| 3 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 | * you may not use this file except in compliance with the License. |
| 5 | * You may obtain a copy of the License at: |
| 6 | * |
| 7 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 8 | * |
| 9 | * Unless required by applicable law or agreed to in writing, software |
| 10 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 11 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 | * See the License for the specific language governing permissions and |
| 13 | * limitations under the License. |
| 14 | */ |
Damjan Marion | e936bbe | 2016-02-25 23:17:38 +0100 | [diff] [blame] | 15 | |
| 16 | #include <stdint.h> |
| 17 | |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 18 | #include <vlib/vlib.h> |
| 19 | #include <vnet/vnet.h> |
| 20 | #include <vnet/policer/policer.h> |
Neale Ranns | d91c1db | 2017-07-31 02:30:50 -0700 | [diff] [blame] | 21 | #include <vnet/policer/police_inlines.h> |
Matus Fabian | 4ac74c9 | 2016-05-31 07:33:29 -0700 | [diff] [blame] | 22 | #include <vnet/ip/ip.h> |
Matus Fabian | 70e6a8d | 2016-06-20 08:10:42 -0700 | [diff] [blame] | 23 | #include <vnet/classify/policer_classify.h> |
| 24 | #include <vnet/classify/vnet_classify.h> |
Neale Ranns | 3b81a1e | 2018-09-06 09:50:26 -0700 | [diff] [blame] | 25 | #include <vnet/l2/feat_bitmap.h> |
| 26 | #include <vnet/l2/l2_input.h> |
Matus Fabian | 4ac74c9 | 2016-05-31 07:33:29 -0700 | [diff] [blame] | 27 | |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 28 | |
| 29 | /* Dispatch functions meant to be instantiated elsewhere */ |
| 30 | |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 31 | typedef struct |
| 32 | { |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 33 | u32 next_index; |
| 34 | u32 sw_if_index; |
| 35 | u32 policer_index; |
| 36 | } vnet_policer_trace_t; |
| 37 | |
| 38 | /* packet trace format function */ |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 39 | static u8 * |
| 40 | format_policer_trace (u8 * s, va_list * args) |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 41 | { |
| 42 | CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *); |
| 43 | CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *); |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 44 | vnet_policer_trace_t *t = va_arg (*args, vnet_policer_trace_t *); |
| 45 | |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 46 | s = format (s, "VNET_POLICER: sw_if_index %d policer_index %d next %d", |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 47 | t->sw_if_index, t->policer_index, t->next_index); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 48 | return s; |
| 49 | } |
| 50 | |
| 51 | #define foreach_vnet_policer_error \ |
| 52 | _(TRANSMIT, "Packets Transmitted") \ |
| 53 | _(DROP, "Packets Dropped") |
| 54 | |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 55 | typedef enum |
| 56 | { |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 57 | #define _(sym,str) VNET_POLICER_ERROR_##sym, |
| 58 | foreach_vnet_policer_error |
| 59 | #undef _ |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 60 | VNET_POLICER_N_ERROR, |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 61 | } vnet_policer_error_t; |
| 62 | |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 63 | static char *vnet_policer_error_strings[] = { |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 64 | #define _(sym,string) string, |
| 65 | foreach_vnet_policer_error |
| 66 | #undef _ |
| 67 | }; |
| 68 | |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 69 | static inline uword |
Brian Russell | 15c18e3 | 2021-02-17 15:45:56 +0000 | [diff] [blame] | 70 | vnet_policer_inline (vlib_main_t *vm, vlib_node_runtime_t *node, |
| 71 | vlib_frame_t *frame) |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 72 | { |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 73 | u32 n_left_from, *from, *to_next; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 74 | vnet_policer_next_t next_index; |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 75 | vnet_policer_main_t *pm = &vnet_policer_main; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 76 | u64 time_in_policer_periods; |
| 77 | u32 transmitted = 0; |
| 78 | |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 79 | time_in_policer_periods = |
| 80 | clib_cpu_time_now () >> POLICER_TICKS_PER_PERIOD_SHIFT; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 81 | |
| 82 | from = vlib_frame_vector_args (frame); |
| 83 | n_left_from = frame->n_vectors; |
| 84 | next_index = node->cached_next_index; |
| 85 | |
| 86 | while (n_left_from > 0) |
| 87 | { |
| 88 | u32 n_left_to_next; |
| 89 | |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 90 | vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 91 | |
| 92 | while (n_left_from >= 4 && n_left_to_next >= 2) |
| 93 | { |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 94 | u32 bi0, bi1; |
| 95 | vlib_buffer_t *b0, *b1; |
| 96 | u32 next0, next1; |
| 97 | u32 sw_if_index0, sw_if_index1; |
| 98 | u32 pi0 = 0, pi1 = 0; |
| 99 | u8 act0, act1; |
| 100 | |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 101 | /* Prefetch next iteration. */ |
| 102 | { |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 103 | vlib_buffer_t *b2, *b3; |
| 104 | |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 105 | b2 = vlib_get_buffer (vm, from[2]); |
| 106 | b3 = vlib_get_buffer (vm, from[3]); |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 107 | |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 108 | vlib_prefetch_buffer_header (b2, LOAD); |
| 109 | vlib_prefetch_buffer_header (b3, LOAD); |
| 110 | } |
| 111 | |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 112 | /* speculatively enqueue b0 and b1 to the current next frame */ |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 113 | to_next[0] = bi0 = from[0]; |
| 114 | to_next[1] = bi1 = from[1]; |
| 115 | from += 2; |
| 116 | to_next += 2; |
| 117 | n_left_from -= 2; |
| 118 | n_left_to_next -= 2; |
| 119 | |
| 120 | b0 = vlib_get_buffer (vm, bi0); |
| 121 | b1 = vlib_get_buffer (vm, bi1); |
| 122 | |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 123 | sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX]; |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 124 | sw_if_index1 = vnet_buffer (b1)->sw_if_index[VLIB_RX]; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 125 | |
Brian Russell | 15c18e3 | 2021-02-17 15:45:56 +0000 | [diff] [blame] | 126 | pi0 = pm->policer_index_by_sw_if_index[sw_if_index0]; |
| 127 | pi1 = pm->policer_index_by_sw_if_index[sw_if_index1]; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 128 | |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 129 | act0 = vnet_policer_police (vm, b0, pi0, time_in_policer_periods, |
Brian Russell | 1aa9912 | 2021-02-18 11:00:38 +0000 | [diff] [blame] | 130 | POLICE_CONFORM /* no chaining */, true); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 131 | |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 132 | act1 = vnet_policer_police (vm, b1, pi1, time_in_policer_periods, |
Brian Russell | 1aa9912 | 2021-02-18 11:00:38 +0000 | [diff] [blame] | 133 | POLICE_CONFORM /* no chaining */, true); |
Matus Fabian | 4ac74c9 | 2016-05-31 07:33:29 -0700 | [diff] [blame] | 134 | |
Brian Russell | 1aa9912 | 2021-02-18 11:00:38 +0000 | [diff] [blame] | 135 | if (PREDICT_FALSE (act0 == QOS_ACTION_HANDOFF)) |
| 136 | { |
| 137 | next0 = VNET_POLICER_NEXT_HANDOFF; |
| 138 | vnet_buffer (b0)->policer.index = pi0; |
| 139 | } |
| 140 | else if (PREDICT_FALSE (act0 == QOS_ACTION_DROP)) |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 141 | { |
| 142 | next0 = VNET_POLICER_NEXT_DROP; |
| 143 | b0->error = node->errors[VNET_POLICER_ERROR_DROP]; |
| 144 | } |
Brian Russell | 1aa9912 | 2021-02-18 11:00:38 +0000 | [diff] [blame] | 145 | else /* transmit or mark-and-transmit action */ |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 146 | { |
| 147 | transmitted++; |
Brian Russell | 15c18e3 | 2021-02-17 15:45:56 +0000 | [diff] [blame] | 148 | vnet_feature_next (&next0, b0); |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 149 | } |
Matus Fabian | 4ac74c9 | 2016-05-31 07:33:29 -0700 | [diff] [blame] | 150 | |
Brian Russell | 1aa9912 | 2021-02-18 11:00:38 +0000 | [diff] [blame] | 151 | if (PREDICT_FALSE (act1 == QOS_ACTION_HANDOFF)) |
| 152 | { |
| 153 | next1 = VNET_POLICER_NEXT_HANDOFF; |
| 154 | vnet_buffer (b1)->policer.index = pi1; |
| 155 | } |
| 156 | else if (PREDICT_FALSE (act1 == QOS_ACTION_DROP)) /* drop action */ |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 157 | { |
| 158 | next1 = VNET_POLICER_NEXT_DROP; |
| 159 | b1->error = node->errors[VNET_POLICER_ERROR_DROP]; |
| 160 | } |
Brian Russell | 1aa9912 | 2021-02-18 11:00:38 +0000 | [diff] [blame] | 161 | else /* transmit or mark-and-transmit action */ |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 162 | { |
| 163 | transmitted++; |
Brian Russell | 15c18e3 | 2021-02-17 15:45:56 +0000 | [diff] [blame] | 164 | vnet_feature_next (&next1, b1); |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 165 | } |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 166 | |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 167 | if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE))) |
| 168 | { |
| 169 | if (b0->flags & VLIB_BUFFER_IS_TRACED) |
| 170 | { |
| 171 | vnet_policer_trace_t *t = |
| 172 | vlib_add_trace (vm, node, b0, sizeof (*t)); |
| 173 | t->sw_if_index = sw_if_index0; |
| 174 | t->next_index = next0; |
| 175 | } |
| 176 | if (b1->flags & VLIB_BUFFER_IS_TRACED) |
| 177 | { |
| 178 | vnet_policer_trace_t *t = |
| 179 | vlib_add_trace (vm, node, b1, sizeof (*t)); |
| 180 | t->sw_if_index = sw_if_index1; |
| 181 | t->next_index = next1; |
| 182 | } |
| 183 | } |
| 184 | |
| 185 | /* verify speculative enqueues, maybe switch current next frame */ |
| 186 | vlib_validate_buffer_enqueue_x2 (vm, node, next_index, |
| 187 | to_next, n_left_to_next, |
| 188 | bi0, bi1, next0, next1); |
| 189 | } |
| 190 | |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 191 | while (n_left_from > 0 && n_left_to_next > 0) |
| 192 | { |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 193 | u32 bi0; |
| 194 | vlib_buffer_t *b0; |
| 195 | u32 next0; |
| 196 | u32 sw_if_index0; |
| 197 | u32 pi0 = 0; |
| 198 | u8 act0; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 199 | |
| 200 | bi0 = from[0]; |
| 201 | to_next[0] = bi0; |
| 202 | from += 1; |
| 203 | to_next += 1; |
| 204 | n_left_from -= 1; |
| 205 | n_left_to_next -= 1; |
| 206 | |
| 207 | b0 = vlib_get_buffer (vm, bi0); |
| 208 | |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 209 | sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX]; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 210 | |
Brian Russell | 15c18e3 | 2021-02-17 15:45:56 +0000 | [diff] [blame] | 211 | pi0 = pm->policer_index_by_sw_if_index[sw_if_index0]; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 212 | |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 213 | act0 = vnet_policer_police (vm, b0, pi0, time_in_policer_periods, |
Brian Russell | 1aa9912 | 2021-02-18 11:00:38 +0000 | [diff] [blame] | 214 | POLICE_CONFORM /* no chaining */, true); |
Matus Fabian | 70e6a8d | 2016-06-20 08:10:42 -0700 | [diff] [blame] | 215 | |
Brian Russell | 1aa9912 | 2021-02-18 11:00:38 +0000 | [diff] [blame] | 216 | if (PREDICT_FALSE (act0 == QOS_ACTION_HANDOFF)) |
| 217 | { |
| 218 | next0 = VNET_POLICER_NEXT_HANDOFF; |
| 219 | vnet_buffer (b0)->policer.index = pi0; |
| 220 | } |
| 221 | else if (PREDICT_FALSE (act0 == QOS_ACTION_DROP)) |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 222 | { |
| 223 | next0 = VNET_POLICER_NEXT_DROP; |
| 224 | b0->error = node->errors[VNET_POLICER_ERROR_DROP]; |
| 225 | } |
Brian Russell | 1aa9912 | 2021-02-18 11:00:38 +0000 | [diff] [blame] | 226 | else /* transmit or mark-and-transmit action */ |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 227 | { |
| 228 | transmitted++; |
Brian Russell | 15c18e3 | 2021-02-17 15:45:56 +0000 | [diff] [blame] | 229 | vnet_feature_next (&next0, b0); |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 230 | } |
| 231 | |
| 232 | if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE) |
| 233 | && (b0->flags & VLIB_BUFFER_IS_TRACED))) |
| 234 | { |
| 235 | vnet_policer_trace_t *t = |
| 236 | vlib_add_trace (vm, node, b0, sizeof (*t)); |
| 237 | t->sw_if_index = sw_if_index0; |
| 238 | t->next_index = next0; |
| 239 | t->policer_index = pi0; |
| 240 | } |
| 241 | |
| 242 | /* verify speculative enqueue, maybe switch current next frame */ |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 243 | vlib_validate_buffer_enqueue_x1 (vm, node, next_index, |
| 244 | to_next, n_left_to_next, |
| 245 | bi0, next0); |
| 246 | } |
| 247 | |
| 248 | vlib_put_next_frame (vm, node, next_index, n_left_to_next); |
| 249 | } |
| 250 | |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 251 | vlib_node_increment_counter (vm, node->node_index, |
| 252 | VNET_POLICER_ERROR_TRANSMIT, transmitted); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 253 | return frame->n_vectors; |
| 254 | } |
| 255 | |
Brian Russell | 15c18e3 | 2021-02-17 15:45:56 +0000 | [diff] [blame] | 256 | VLIB_NODE_FN (policer_input_node) |
| 257 | (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame) |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 258 | { |
Brian Russell | 15c18e3 | 2021-02-17 15:45:56 +0000 | [diff] [blame] | 259 | return vnet_policer_inline (vm, node, frame); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 260 | } |
| 261 | |
Brian Russell | 15c18e3 | 2021-02-17 15:45:56 +0000 | [diff] [blame] | 262 | VLIB_REGISTER_NODE (policer_input_node) = { |
| 263 | .name = "policer-input", |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 264 | .vector_size = sizeof (u32), |
| 265 | .format_trace = format_policer_trace, |
| 266 | .type = VLIB_NODE_TYPE_INTERNAL, |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 267 | .n_errors = ARRAY_LEN(vnet_policer_error_strings), |
| 268 | .error_strings = vnet_policer_error_strings, |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 269 | .n_next_nodes = VNET_POLICER_N_NEXT, |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 270 | .next_nodes = { |
Brian Russell | 15c18e3 | 2021-02-17 15:45:56 +0000 | [diff] [blame] | 271 | [VNET_POLICER_NEXT_DROP] = "error-drop", |
Brian Russell | 1aa9912 | 2021-02-18 11:00:38 +0000 | [diff] [blame] | 272 | [VNET_POLICER_NEXT_HANDOFF] = "policer-input-handoff", |
Brian Russell | 15c18e3 | 2021-02-17 15:45:56 +0000 | [diff] [blame] | 273 | }, |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 274 | }; |
Damjan Marion | 1c80e83 | 2016-05-11 23:07:18 +0200 | [diff] [blame] | 275 | |
Brian Russell | 15c18e3 | 2021-02-17 15:45:56 +0000 | [diff] [blame] | 276 | VNET_FEATURE_INIT (policer_input_node, static) = { |
| 277 | .arc_name = "device-input", |
| 278 | .node_name = "policer-input", |
| 279 | .runs_before = VNET_FEATURES ("ethernet-input"), |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 280 | }; |
Matus Fabian | 70e6a8d | 2016-06-20 08:10:42 -0700 | [diff] [blame] | 281 | |
Brian Russell | 1aa9912 | 2021-02-18 11:00:38 +0000 | [diff] [blame] | 282 | static char *policer_input_handoff_error_strings[] = { "congestion drop" }; |
| 283 | |
| 284 | VLIB_NODE_FN (policer_input_handoff_node) |
| 285 | (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame) |
| 286 | { |
| 287 | return policer_handoff (vm, node, frame, vnet_policer_main.fq_index, ~0); |
| 288 | } |
| 289 | |
| 290 | VLIB_REGISTER_NODE (policer_input_handoff_node) = { |
| 291 | .name = "policer-input-handoff", |
| 292 | .vector_size = sizeof (u32), |
| 293 | .format_trace = format_policer_handoff_trace, |
| 294 | .type = VLIB_NODE_TYPE_INTERNAL, |
| 295 | .n_errors = ARRAY_LEN(policer_input_handoff_error_strings), |
| 296 | .error_strings = policer_input_handoff_error_strings, |
| 297 | |
| 298 | .n_next_nodes = 1, |
| 299 | .next_nodes = { |
| 300 | [0] = "error-drop", |
| 301 | }, |
| 302 | }; |
| 303 | |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 304 | typedef struct |
| 305 | { |
Matus Fabian | 70e6a8d | 2016-06-20 08:10:42 -0700 | [diff] [blame] | 306 | u32 sw_if_index; |
| 307 | u32 next_index; |
| 308 | u32 table_index; |
| 309 | u32 offset; |
| 310 | u32 policer_index; |
| 311 | } policer_classify_trace_t; |
| 312 | |
| 313 | static u8 * |
| 314 | format_policer_classify_trace (u8 * s, va_list * args) |
| 315 | { |
| 316 | CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *); |
| 317 | CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *); |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 318 | policer_classify_trace_t *t = va_arg (*args, policer_classify_trace_t *); |
Matus Fabian | 70e6a8d | 2016-06-20 08:10:42 -0700 | [diff] [blame] | 319 | |
| 320 | s = format (s, "POLICER_CLASSIFY: sw_if_index %d next %d table %d offset %d" |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 321 | " policer_index %d", |
| 322 | t->sw_if_index, t->next_index, t->table_index, t->offset, |
| 323 | t->policer_index); |
Matus Fabian | 70e6a8d | 2016-06-20 08:10:42 -0700 | [diff] [blame] | 324 | return s; |
| 325 | } |
| 326 | |
| 327 | #define foreach_policer_classify_error \ |
| 328 | _(MISS, "Policer classify misses") \ |
| 329 | _(HIT, "Policer classify hits") \ |
Paul Vinciguerra | bdc0e6b | 2018-09-22 05:32:50 -0700 | [diff] [blame] | 330 | _(CHAIN_HIT, "Policer classify hits after chain walk") \ |
Matus Fabian | 70e6a8d | 2016-06-20 08:10:42 -0700 | [diff] [blame] | 331 | _(DROP, "Policer classify action drop") |
| 332 | |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 333 | typedef enum |
| 334 | { |
Matus Fabian | 70e6a8d | 2016-06-20 08:10:42 -0700 | [diff] [blame] | 335 | #define _(sym,str) POLICER_CLASSIFY_ERROR_##sym, |
| 336 | foreach_policer_classify_error |
| 337 | #undef _ |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 338 | POLICER_CLASSIFY_N_ERROR, |
Matus Fabian | 70e6a8d | 2016-06-20 08:10:42 -0700 | [diff] [blame] | 339 | } policer_classify_error_t; |
| 340 | |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 341 | static char *policer_classify_error_strings[] = { |
Matus Fabian | 70e6a8d | 2016-06-20 08:10:42 -0700 | [diff] [blame] | 342 | #define _(sym,string) string, |
| 343 | foreach_policer_classify_error |
| 344 | #undef _ |
| 345 | }; |
| 346 | |
| 347 | static inline uword |
| 348 | policer_classify_inline (vlib_main_t * vm, |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 349 | vlib_node_runtime_t * node, |
| 350 | vlib_frame_t * frame, |
| 351 | policer_classify_table_id_t tid) |
Matus Fabian | 70e6a8d | 2016-06-20 08:10:42 -0700 | [diff] [blame] | 352 | { |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 353 | u32 n_left_from, *from, *to_next; |
Matus Fabian | 70e6a8d | 2016-06-20 08:10:42 -0700 | [diff] [blame] | 354 | policer_classify_next_index_t next_index; |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 355 | policer_classify_main_t *pcm = &policer_classify_main; |
| 356 | vnet_classify_main_t *vcm = pcm->vnet_classify_main; |
Matus Fabian | 70e6a8d | 2016-06-20 08:10:42 -0700 | [diff] [blame] | 357 | f64 now = vlib_time_now (vm); |
| 358 | u32 hits = 0; |
| 359 | u32 misses = 0; |
| 360 | u32 chain_hits = 0; |
Matus Fabian | 70e6a8d | 2016-06-20 08:10:42 -0700 | [diff] [blame] | 361 | u32 n_next_nodes; |
| 362 | u64 time_in_policer_periods; |
| 363 | |
| 364 | time_in_policer_periods = |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 365 | clib_cpu_time_now () >> POLICER_TICKS_PER_PERIOD_SHIFT; |
Matus Fabian | 70e6a8d | 2016-06-20 08:10:42 -0700 | [diff] [blame] | 366 | |
| 367 | n_next_nodes = node->n_next_nodes; |
| 368 | |
| 369 | from = vlib_frame_vector_args (frame); |
| 370 | n_left_from = frame->n_vectors; |
| 371 | |
| 372 | /* First pass: compute hashes */ |
| 373 | while (n_left_from > 2) |
| 374 | { |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 375 | vlib_buffer_t *b0, *b1; |
Matus Fabian | 70e6a8d | 2016-06-20 08:10:42 -0700 | [diff] [blame] | 376 | u32 bi0, bi1; |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 377 | u8 *h0, *h1; |
Matus Fabian | 70e6a8d | 2016-06-20 08:10:42 -0700 | [diff] [blame] | 378 | u32 sw_if_index0, sw_if_index1; |
| 379 | u32 table_index0, table_index1; |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 380 | vnet_classify_table_t *t0, *t1; |
Matus Fabian | 70e6a8d | 2016-06-20 08:10:42 -0700 | [diff] [blame] | 381 | |
| 382 | /* Prefetch next iteration */ |
| 383 | { |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 384 | vlib_buffer_t *p1, *p2; |
Matus Fabian | 70e6a8d | 2016-06-20 08:10:42 -0700 | [diff] [blame] | 385 | |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 386 | p1 = vlib_get_buffer (vm, from[1]); |
| 387 | p2 = vlib_get_buffer (vm, from[2]); |
Matus Fabian | 70e6a8d | 2016-06-20 08:10:42 -0700 | [diff] [blame] | 388 | |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 389 | vlib_prefetch_buffer_header (p1, STORE); |
Damjan Marion | af7fb04 | 2021-07-15 11:54:41 +0200 | [diff] [blame^] | 390 | clib_prefetch_store (p1->data); |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 391 | vlib_prefetch_buffer_header (p2, STORE); |
Damjan Marion | af7fb04 | 2021-07-15 11:54:41 +0200 | [diff] [blame^] | 392 | clib_prefetch_store (p2->data); |
Matus Fabian | 70e6a8d | 2016-06-20 08:10:42 -0700 | [diff] [blame] | 393 | } |
| 394 | |
| 395 | bi0 = from[0]; |
| 396 | b0 = vlib_get_buffer (vm, bi0); |
| 397 | h0 = b0->data; |
| 398 | |
| 399 | bi1 = from[1]; |
| 400 | b1 = vlib_get_buffer (vm, bi1); |
| 401 | h1 = b1->data; |
| 402 | |
| 403 | sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX]; |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 404 | table_index0 = |
| 405 | pcm->classify_table_index_by_sw_if_index[tid][sw_if_index0]; |
Matus Fabian | 70e6a8d | 2016-06-20 08:10:42 -0700 | [diff] [blame] | 406 | |
| 407 | sw_if_index1 = vnet_buffer (b1)->sw_if_index[VLIB_RX]; |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 408 | table_index1 = |
| 409 | pcm->classify_table_index_by_sw_if_index[tid][sw_if_index1]; |
Matus Fabian | 70e6a8d | 2016-06-20 08:10:42 -0700 | [diff] [blame] | 410 | |
| 411 | t0 = pool_elt_at_index (vcm->tables, table_index0); |
| 412 | |
| 413 | t1 = pool_elt_at_index (vcm->tables, table_index1); |
| 414 | |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 415 | vnet_buffer (b0)->l2_classify.hash = |
| 416 | vnet_classify_hash_packet (t0, (u8 *) h0); |
Matus Fabian | 70e6a8d | 2016-06-20 08:10:42 -0700 | [diff] [blame] | 417 | |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 418 | vnet_classify_prefetch_bucket (t0, vnet_buffer (b0)->l2_classify.hash); |
Matus Fabian | 70e6a8d | 2016-06-20 08:10:42 -0700 | [diff] [blame] | 419 | |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 420 | vnet_buffer (b1)->l2_classify.hash = |
| 421 | vnet_classify_hash_packet (t1, (u8 *) h1); |
Matus Fabian | 70e6a8d | 2016-06-20 08:10:42 -0700 | [diff] [blame] | 422 | |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 423 | vnet_classify_prefetch_bucket (t1, vnet_buffer (b1)->l2_classify.hash); |
Matus Fabian | 70e6a8d | 2016-06-20 08:10:42 -0700 | [diff] [blame] | 424 | |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 425 | vnet_buffer (b0)->l2_classify.table_index = table_index0; |
Matus Fabian | 70e6a8d | 2016-06-20 08:10:42 -0700 | [diff] [blame] | 426 | |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 427 | vnet_buffer (b1)->l2_classify.table_index = table_index1; |
Matus Fabian | 70e6a8d | 2016-06-20 08:10:42 -0700 | [diff] [blame] | 428 | |
| 429 | from += 2; |
| 430 | n_left_from -= 2; |
| 431 | } |
| 432 | |
| 433 | while (n_left_from > 0) |
| 434 | { |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 435 | vlib_buffer_t *b0; |
Matus Fabian | 70e6a8d | 2016-06-20 08:10:42 -0700 | [diff] [blame] | 436 | u32 bi0; |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 437 | u8 *h0; |
Matus Fabian | 70e6a8d | 2016-06-20 08:10:42 -0700 | [diff] [blame] | 438 | u32 sw_if_index0; |
| 439 | u32 table_index0; |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 440 | vnet_classify_table_t *t0; |
Matus Fabian | 70e6a8d | 2016-06-20 08:10:42 -0700 | [diff] [blame] | 441 | |
| 442 | bi0 = from[0]; |
| 443 | b0 = vlib_get_buffer (vm, bi0); |
| 444 | h0 = b0->data; |
| 445 | |
| 446 | sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX]; |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 447 | table_index0 = |
| 448 | pcm->classify_table_index_by_sw_if_index[tid][sw_if_index0]; |
Matus Fabian | 70e6a8d | 2016-06-20 08:10:42 -0700 | [diff] [blame] | 449 | |
| 450 | t0 = pool_elt_at_index (vcm->tables, table_index0); |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 451 | vnet_buffer (b0)->l2_classify.hash = |
| 452 | vnet_classify_hash_packet (t0, (u8 *) h0); |
Matus Fabian | 70e6a8d | 2016-06-20 08:10:42 -0700 | [diff] [blame] | 453 | |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 454 | vnet_buffer (b0)->l2_classify.table_index = table_index0; |
| 455 | vnet_classify_prefetch_bucket (t0, vnet_buffer (b0)->l2_classify.hash); |
Matus Fabian | 70e6a8d | 2016-06-20 08:10:42 -0700 | [diff] [blame] | 456 | |
| 457 | from++; |
| 458 | n_left_from--; |
| 459 | } |
| 460 | |
| 461 | next_index = node->cached_next_index; |
| 462 | from = vlib_frame_vector_args (frame); |
| 463 | n_left_from = frame->n_vectors; |
| 464 | |
| 465 | while (n_left_from > 0) |
| 466 | { |
| 467 | u32 n_left_to_next; |
| 468 | |
| 469 | vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next); |
| 470 | |
| 471 | /* Not enough load/store slots to dual loop... */ |
| 472 | while (n_left_from > 0 && n_left_to_next > 0) |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 473 | { |
| 474 | u32 bi0; |
| 475 | vlib_buffer_t *b0; |
| 476 | u32 next0 = POLICER_CLASSIFY_NEXT_INDEX_DROP; |
| 477 | u32 table_index0; |
| 478 | vnet_classify_table_t *t0; |
| 479 | vnet_classify_entry_t *e0; |
| 480 | u64 hash0; |
| 481 | u8 *h0; |
| 482 | u8 act0; |
Matus Fabian | 70e6a8d | 2016-06-20 08:10:42 -0700 | [diff] [blame] | 483 | |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 484 | /* Stride 3 seems to work best */ |
| 485 | if (PREDICT_TRUE (n_left_from > 3)) |
| 486 | { |
| 487 | vlib_buffer_t *p1 = vlib_get_buffer (vm, from[3]); |
| 488 | vnet_classify_table_t *tp1; |
| 489 | u32 table_index1; |
| 490 | u64 phash1; |
Matus Fabian | 70e6a8d | 2016-06-20 08:10:42 -0700 | [diff] [blame] | 491 | |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 492 | table_index1 = vnet_buffer (p1)->l2_classify.table_index; |
Matus Fabian | 70e6a8d | 2016-06-20 08:10:42 -0700 | [diff] [blame] | 493 | |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 494 | if (PREDICT_TRUE (table_index1 != ~0)) |
| 495 | { |
| 496 | tp1 = pool_elt_at_index (vcm->tables, table_index1); |
| 497 | phash1 = vnet_buffer (p1)->l2_classify.hash; |
| 498 | vnet_classify_prefetch_entry (tp1, phash1); |
| 499 | } |
| 500 | } |
Matus Fabian | 70e6a8d | 2016-06-20 08:10:42 -0700 | [diff] [blame] | 501 | |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 502 | /* Speculatively enqueue b0 to the current next frame */ |
| 503 | bi0 = from[0]; |
| 504 | to_next[0] = bi0; |
| 505 | from += 1; |
| 506 | to_next += 1; |
| 507 | n_left_from -= 1; |
| 508 | n_left_to_next -= 1; |
Matus Fabian | 70e6a8d | 2016-06-20 08:10:42 -0700 | [diff] [blame] | 509 | |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 510 | b0 = vlib_get_buffer (vm, bi0); |
| 511 | h0 = b0->data; |
| 512 | table_index0 = vnet_buffer (b0)->l2_classify.table_index; |
| 513 | e0 = 0; |
| 514 | t0 = 0; |
Matus Fabian | 70e6a8d | 2016-06-20 08:10:42 -0700 | [diff] [blame] | 515 | |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 516 | if (tid == POLICER_CLASSIFY_TABLE_L2) |
| 517 | { |
John Lo | beb0b2e | 2017-07-22 00:21:36 -0400 | [diff] [blame] | 518 | /* Feature bitmap update and determine the next node */ |
| 519 | next0 = vnet_l2_feature_next (b0, pcm->feat_next_node_index, |
| 520 | L2INPUT_FEAT_POLICER_CLAS); |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 521 | } |
| 522 | else |
| 523 | vnet_get_config_data (pcm->vnet_config_main[tid], |
| 524 | &b0->current_config_index, &next0, |
| 525 | /* # bytes of config data */ 0); |
Matus Fabian | 70e6a8d | 2016-06-20 08:10:42 -0700 | [diff] [blame] | 526 | |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 527 | vnet_buffer (b0)->l2_classify.opaque_index = ~0; |
Matus Fabian | 70e6a8d | 2016-06-20 08:10:42 -0700 | [diff] [blame] | 528 | |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 529 | if (PREDICT_TRUE (table_index0 != ~0)) |
| 530 | { |
| 531 | hash0 = vnet_buffer (b0)->l2_classify.hash; |
| 532 | t0 = pool_elt_at_index (vcm->tables, table_index0); |
| 533 | e0 = vnet_classify_find_entry (t0, (u8 *) h0, hash0, now); |
Matus Fabian | 70e6a8d | 2016-06-20 08:10:42 -0700 | [diff] [blame] | 534 | |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 535 | if (e0) |
| 536 | { |
Brian Russell | fce8865 | 2021-02-18 10:25:23 +0000 | [diff] [blame] | 537 | act0 = vnet_policer_police (vm, b0, e0->next_index, |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 538 | time_in_policer_periods, |
Brian Russell | fce8865 | 2021-02-18 10:25:23 +0000 | [diff] [blame] | 539 | e0->opaque_index, false); |
Brian Russell | c5299ff | 2021-02-09 10:16:58 +0000 | [diff] [blame] | 540 | if (PREDICT_FALSE (act0 == QOS_ACTION_DROP)) |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 541 | { |
| 542 | next0 = POLICER_CLASSIFY_NEXT_INDEX_DROP; |
| 543 | b0->error = node->errors[POLICER_CLASSIFY_ERROR_DROP]; |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 544 | } |
| 545 | hits++; |
| 546 | } |
| 547 | else |
| 548 | { |
| 549 | while (1) |
| 550 | { |
| 551 | if (PREDICT_TRUE (t0->next_table_index != ~0)) |
| 552 | { |
| 553 | t0 = pool_elt_at_index (vcm->tables, |
| 554 | t0->next_table_index); |
| 555 | } |
| 556 | else |
| 557 | { |
| 558 | next0 = (t0->miss_next_index < n_next_nodes) ? |
| 559 | t0->miss_next_index : next0; |
| 560 | misses++; |
| 561 | break; |
| 562 | } |
Matus Fabian | 70e6a8d | 2016-06-20 08:10:42 -0700 | [diff] [blame] | 563 | |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 564 | hash0 = vnet_classify_hash_packet (t0, (u8 *) h0); |
| 565 | e0 = |
| 566 | vnet_classify_find_entry (t0, (u8 *) h0, hash0, now); |
| 567 | if (e0) |
| 568 | { |
Brian Russell | fce8865 | 2021-02-18 10:25:23 +0000 | [diff] [blame] | 569 | act0 = vnet_policer_police (vm, b0, e0->next_index, |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 570 | time_in_policer_periods, |
Brian Russell | fce8865 | 2021-02-18 10:25:23 +0000 | [diff] [blame] | 571 | e0->opaque_index, false); |
Brian Russell | c5299ff | 2021-02-09 10:16:58 +0000 | [diff] [blame] | 572 | if (PREDICT_FALSE (act0 == QOS_ACTION_DROP)) |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 573 | { |
| 574 | next0 = POLICER_CLASSIFY_NEXT_INDEX_DROP; |
| 575 | b0->error = |
| 576 | node->errors[POLICER_CLASSIFY_ERROR_DROP]; |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 577 | } |
| 578 | hits++; |
| 579 | chain_hits++; |
| 580 | break; |
| 581 | } |
| 582 | } |
| 583 | } |
| 584 | } |
| 585 | if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE) |
| 586 | && (b0->flags & VLIB_BUFFER_IS_TRACED))) |
| 587 | { |
| 588 | policer_classify_trace_t *t = |
| 589 | vlib_add_trace (vm, node, b0, sizeof (*t)); |
| 590 | t->sw_if_index = vnet_buffer (b0)->sw_if_index[VLIB_RX]; |
| 591 | t->next_index = next0; |
| 592 | t->table_index = t0 ? t0 - vcm->tables : ~0; |
| 593 | t->offset = (e0 && t0) ? vnet_classify_get_offset (t0, e0) : ~0; |
| 594 | t->policer_index = e0 ? e0->next_index : ~0; |
| 595 | } |
Matus Fabian | 70e6a8d | 2016-06-20 08:10:42 -0700 | [diff] [blame] | 596 | |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 597 | /* Verify speculative enqueue, maybe switch current next frame */ |
| 598 | vlib_validate_buffer_enqueue_x1 (vm, node, next_index, to_next, |
| 599 | n_left_to_next, bi0, next0); |
| 600 | } |
Matus Fabian | 70e6a8d | 2016-06-20 08:10:42 -0700 | [diff] [blame] | 601 | |
| 602 | vlib_put_next_frame (vm, node, next_index, n_left_to_next); |
| 603 | } |
| 604 | |
| 605 | vlib_node_increment_counter (vm, node->node_index, |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 606 | POLICER_CLASSIFY_ERROR_MISS, misses); |
Matus Fabian | 70e6a8d | 2016-06-20 08:10:42 -0700 | [diff] [blame] | 607 | vlib_node_increment_counter (vm, node->node_index, |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 608 | POLICER_CLASSIFY_ERROR_HIT, hits); |
Matus Fabian | 70e6a8d | 2016-06-20 08:10:42 -0700 | [diff] [blame] | 609 | vlib_node_increment_counter (vm, node->node_index, |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 610 | POLICER_CLASSIFY_ERROR_CHAIN_HIT, chain_hits); |
Matus Fabian | 70e6a8d | 2016-06-20 08:10:42 -0700 | [diff] [blame] | 611 | |
| 612 | return frame->n_vectors; |
| 613 | } |
| 614 | |
Filip Tehlar | 30d9348 | 2019-03-06 04:28:32 -0800 | [diff] [blame] | 615 | VLIB_NODE_FN (ip4_policer_classify_node) (vlib_main_t * vm, |
| 616 | vlib_node_runtime_t * node, |
| 617 | vlib_frame_t * frame) |
Matus Fabian | 70e6a8d | 2016-06-20 08:10:42 -0700 | [diff] [blame] | 618 | { |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 619 | return policer_classify_inline (vm, node, frame, |
| 620 | POLICER_CLASSIFY_TABLE_IP4); |
Matus Fabian | 70e6a8d | 2016-06-20 08:10:42 -0700 | [diff] [blame] | 621 | } |
| 622 | |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 623 | /* *INDENT-OFF* */ |
Matus Fabian | 70e6a8d | 2016-06-20 08:10:42 -0700 | [diff] [blame] | 624 | VLIB_REGISTER_NODE (ip4_policer_classify_node) = { |
Matus Fabian | 70e6a8d | 2016-06-20 08:10:42 -0700 | [diff] [blame] | 625 | .name = "ip4-policer-classify", |
| 626 | .vector_size = sizeof (u32), |
| 627 | .format_trace = format_policer_classify_trace, |
| 628 | .n_errors = ARRAY_LEN(policer_classify_error_strings), |
| 629 | .error_strings = policer_classify_error_strings, |
| 630 | .n_next_nodes = POLICER_CLASSIFY_NEXT_INDEX_N_NEXT, |
| 631 | .next_nodes = { |
| 632 | [POLICER_CLASSIFY_NEXT_INDEX_DROP] = "error-drop", |
| 633 | }, |
| 634 | }; |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 635 | /* *INDENT-ON* */ |
Matus Fabian | 70e6a8d | 2016-06-20 08:10:42 -0700 | [diff] [blame] | 636 | |
Filip Tehlar | 30d9348 | 2019-03-06 04:28:32 -0800 | [diff] [blame] | 637 | VLIB_NODE_FN (ip6_policer_classify_node) (vlib_main_t * vm, |
| 638 | vlib_node_runtime_t * node, |
| 639 | vlib_frame_t * frame) |
Matus Fabian | 70e6a8d | 2016-06-20 08:10:42 -0700 | [diff] [blame] | 640 | { |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 641 | return policer_classify_inline (vm, node, frame, |
| 642 | POLICER_CLASSIFY_TABLE_IP6); |
Matus Fabian | 70e6a8d | 2016-06-20 08:10:42 -0700 | [diff] [blame] | 643 | } |
| 644 | |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 645 | /* *INDENT-OFF* */ |
Matus Fabian | 70e6a8d | 2016-06-20 08:10:42 -0700 | [diff] [blame] | 646 | VLIB_REGISTER_NODE (ip6_policer_classify_node) = { |
Matus Fabian | 70e6a8d | 2016-06-20 08:10:42 -0700 | [diff] [blame] | 647 | .name = "ip6-policer-classify", |
| 648 | .vector_size = sizeof (u32), |
| 649 | .format_trace = format_policer_classify_trace, |
| 650 | .n_errors = ARRAY_LEN(policer_classify_error_strings), |
| 651 | .error_strings = policer_classify_error_strings, |
| 652 | .n_next_nodes = POLICER_CLASSIFY_NEXT_INDEX_N_NEXT, |
| 653 | .next_nodes = { |
| 654 | [POLICER_CLASSIFY_NEXT_INDEX_DROP] = "error-drop", |
| 655 | }, |
| 656 | }; |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 657 | /* *INDENT-ON* */ |
Matus Fabian | 70e6a8d | 2016-06-20 08:10:42 -0700 | [diff] [blame] | 658 | |
Filip Tehlar | 30d9348 | 2019-03-06 04:28:32 -0800 | [diff] [blame] | 659 | VLIB_NODE_FN (l2_policer_classify_node) (vlib_main_t * vm, |
| 660 | vlib_node_runtime_t * node, |
| 661 | vlib_frame_t * frame) |
Matus Fabian | 70e6a8d | 2016-06-20 08:10:42 -0700 | [diff] [blame] | 662 | { |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 663 | return policer_classify_inline (vm, node, frame, POLICER_CLASSIFY_TABLE_L2); |
Matus Fabian | 70e6a8d | 2016-06-20 08:10:42 -0700 | [diff] [blame] | 664 | } |
| 665 | |
Krishanpal singh | d2fec4a | 2017-11-27 19:40:56 +0530 | [diff] [blame] | 666 | /* *INDENT-OFF* */ |
| 667 | VLIB_REGISTER_NODE (l2_policer_classify_node) = { |
Krishanpal singh | d2fec4a | 2017-11-27 19:40:56 +0530 | [diff] [blame] | 668 | .name = "l2-policer-classify", |
| 669 | .vector_size = sizeof (u32), |
| 670 | .format_trace = format_policer_classify_trace, |
| 671 | .n_errors = ARRAY_LEN (policer_classify_error_strings), |
| 672 | .error_strings = policer_classify_error_strings, |
| 673 | .n_next_nodes = POLICER_CLASSIFY_NEXT_INDEX_N_NEXT, |
| 674 | .next_nodes = { |
| 675 | [POLICER_CLASSIFY_NEXT_INDEX_DROP] = "error-drop", |
| 676 | }, |
| 677 | }; |
Krishanpal singh | d2fec4a | 2017-11-27 19:40:56 +0530 | [diff] [blame] | 678 | /* *INDENT-ON* */ |
Matus Fabian | 70e6a8d | 2016-06-20 08:10:42 -0700 | [diff] [blame] | 679 | |
Filip Tehlar | 30d9348 | 2019-03-06 04:28:32 -0800 | [diff] [blame] | 680 | #ifndef CLIB_MARCH_VARIANT |
Matus Fabian | 70e6a8d | 2016-06-20 08:10:42 -0700 | [diff] [blame] | 681 | static clib_error_t * |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 682 | policer_classify_init (vlib_main_t * vm) |
Matus Fabian | 70e6a8d | 2016-06-20 08:10:42 -0700 | [diff] [blame] | 683 | { |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 684 | policer_classify_main_t *pcm = &policer_classify_main; |
Matus Fabian | 70e6a8d | 2016-06-20 08:10:42 -0700 | [diff] [blame] | 685 | |
| 686 | pcm->vlib_main = vm; |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 687 | pcm->vnet_main = vnet_get_main (); |
Matus Fabian | 70e6a8d | 2016-06-20 08:10:42 -0700 | [diff] [blame] | 688 | pcm->vnet_classify_main = &vnet_classify_main; |
| 689 | |
| 690 | /* Initialize L2 feature next-node indexes */ |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 691 | feat_bitmap_init_next_nodes (vm, |
| 692 | l2_policer_classify_node.index, |
| 693 | L2INPUT_N_FEAT, |
| 694 | l2input_get_feat_names (), |
| 695 | pcm->feat_next_node_index); |
Matus Fabian | 70e6a8d | 2016-06-20 08:10:42 -0700 | [diff] [blame] | 696 | |
| 697 | return 0; |
| 698 | } |
| 699 | |
| 700 | VLIB_INIT_FUNCTION (policer_classify_init); |
Filip Tehlar | 30d9348 | 2019-03-06 04:28:32 -0800 | [diff] [blame] | 701 | #endif /* CLIB_MARCH_VARIANT */ |
Damjan Marion | 3891cd8 | 2016-10-27 10:27:00 +0200 | [diff] [blame] | 702 | |
| 703 | /* |
| 704 | * fd.io coding-style-patch-verification: ON |
| 705 | * |
| 706 | * Local Variables: |
| 707 | * eval: (c-set-style "gnu") |
| 708 | * End: |
| 709 | */ |