Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 1 | /* |
| 2 | * l2_fib.c : layer 2 forwarding table (aka mac table) |
| 3 | * |
| 4 | * Copyright (c) 2013 Cisco and/or its affiliates. |
| 5 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 6 | * you may not use this file except in compliance with the License. |
| 7 | * You may obtain a copy of the License at: |
| 8 | * |
| 9 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 10 | * |
| 11 | * Unless required by applicable law or agreed to in writing, software |
| 12 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 14 | * See the License for the specific language governing permissions and |
| 15 | * limitations under the License. |
| 16 | */ |
| 17 | |
| 18 | |
| 19 | #include <vlib/vlib.h> |
| 20 | #include <vnet/vnet.h> |
| 21 | #include <vnet/pg/pg.h> |
| 22 | #include <vnet/ethernet/ethernet.h> |
| 23 | #include <vlib/cli.h> |
| 24 | |
| 25 | #include <vppinfra/error.h> |
| 26 | #include <vppinfra/hash.h> |
Damjan Marion | d171d48 | 2016-12-05 14:16:38 +0100 | [diff] [blame] | 27 | #include <vnet/l2/l2_input.h> |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 28 | #include <vnet/l2/l2_fib.h> |
| 29 | #include <vnet/l2/l2_learn.h> |
| 30 | #include <vnet/l2/l2_bd.h> |
| 31 | |
| 32 | #include <vppinfra/bihash_template.c> |
| 33 | |
John Lo | 8d00fff | 2017-08-03 00:35:36 -0400 | [diff] [blame] | 34 | #include <vlibmemory/api.h> |
| 35 | #include <vnet/vnet_msg_enum.h> |
| 36 | |
| 37 | #define vl_typedefs /* define message structures */ |
| 38 | #include <vnet/vnet_all_api_h.h> |
| 39 | #undef vl_typedefs |
| 40 | |
| 41 | #define vl_endianfun /* define message structures */ |
| 42 | #include <vnet/vnet_all_api_h.h> |
| 43 | #undef vl_endianfun |
| 44 | |
Billy McFall | 22aa3e9 | 2016-09-09 08:46:40 -0400 | [diff] [blame] | 45 | /** |
| 46 | * @file |
| 47 | * @brief Ethernet MAC Address FIB Table Management. |
| 48 | * |
| 49 | * The MAC Address forwarding table for bridge-domains is called the l2fib. |
| 50 | * Entries are added automatically as part of mac learning, but MAC Addresses |
| 51 | * entries can also be added manually. |
| 52 | * |
| 53 | */ |
| 54 | |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 55 | l2fib_main_t l2fib_main; |
| 56 | |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 57 | /** Format sw_if_index. If the value is ~0, use the text "N/A" */ |
| 58 | u8 * |
| 59 | format_vnet_sw_if_index_name_with_NA (u8 * s, va_list * args) |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 60 | { |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 61 | vnet_main_t *vnm = va_arg (*args, vnet_main_t *); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 62 | u32 sw_if_index = va_arg (*args, u32); |
| 63 | if (sw_if_index == ~0) |
| 64 | return format (s, "N/A"); |
Eyal Bari | b823df5 | 2017-06-12 17:07:22 +0300 | [diff] [blame] | 65 | |
| 66 | vnet_sw_interface_t *swif = vnet_get_sw_interface_safe (vnm, sw_if_index); |
| 67 | if (!swif) |
Eyal Bari | 0f360dc | 2017-06-14 13:11:20 +0300 | [diff] [blame] | 68 | return format (s, "Stale"); |
Eyal Bari | b823df5 | 2017-06-12 17:07:22 +0300 | [diff] [blame] | 69 | |
| 70 | return format (s, "%U", format_vnet_sw_interface_name, vnm, |
| 71 | vnet_get_sw_interface_safe (vnm, sw_if_index)); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 72 | } |
| 73 | |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 74 | void |
| 75 | l2fib_table_dump (u32 bd_index, l2fib_entry_key_t ** l2fe_key, |
| 76 | l2fib_entry_result_t ** l2fe_res) |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 77 | { |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 78 | l2fib_main_t *msm = &l2fib_main; |
| 79 | BVT (clib_bihash) * h = &msm->mac_table; |
Dave Barach | 908a5ea | 2017-07-14 12:42:21 -0400 | [diff] [blame] | 80 | BVT (clib_bihash_bucket) * b; |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 81 | BVT (clib_bihash_value) * v; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 82 | l2fib_entry_key_t key; |
| 83 | l2fib_entry_result_t result; |
| 84 | int i, j, k; |
| 85 | |
| 86 | for (i = 0; i < h->nbuckets; i++) |
| 87 | { |
| 88 | b = &h->buckets[i]; |
| 89 | if (b->offset == 0) |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 90 | continue; |
| 91 | v = BV (clib_bihash_get_value) (h, b->offset); |
| 92 | for (j = 0; j < (1 << b->log2_pages); j++) |
| 93 | { |
| 94 | for (k = 0; k < BIHASH_KVP_PER_PAGE; k++) |
| 95 | { |
| 96 | if (v->kvp[k].key == ~0ULL && v->kvp[k].value == ~0ULL) |
| 97 | continue; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 98 | |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 99 | key.raw = v->kvp[k].key; |
| 100 | result.raw = v->kvp[k].value; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 101 | |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 102 | if ((bd_index == ~0) || (bd_index == key.fields.bd_index)) |
| 103 | { |
| 104 | vec_add1 (*l2fe_key, key); |
| 105 | vec_add1 (*l2fe_res, result); |
| 106 | } |
| 107 | } |
| 108 | v++; |
| 109 | } |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 110 | } |
| 111 | } |
| 112 | |
Chris Luke | 16bcf7d | 2016-09-01 14:31:46 -0400 | [diff] [blame] | 113 | /** Display the contents of the l2fib. */ |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 114 | static clib_error_t * |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 115 | show_l2fib (vlib_main_t * vm, |
| 116 | unformat_input_t * input, vlib_cli_command_t * cmd) |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 117 | { |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 118 | bd_main_t *bdm = &bd_main; |
| 119 | l2fib_main_t *msm = &l2fib_main; |
Damjan Marion | d171d48 | 2016-12-05 14:16:38 +0100 | [diff] [blame] | 120 | l2_bridge_domain_t *bd_config; |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 121 | BVT (clib_bihash) * h = &msm->mac_table; |
Dave Barach | 908a5ea | 2017-07-14 12:42:21 -0400 | [diff] [blame] | 122 | BVT (clib_bihash_bucket) * b; |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 123 | BVT (clib_bihash_value) * v; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 124 | l2fib_entry_key_t key; |
| 125 | l2fib_entry_result_t result; |
| 126 | u32 first_entry = 1; |
| 127 | u64 total_entries = 0; |
| 128 | int i, j, k; |
| 129 | u8 verbose = 0; |
| 130 | u8 raw = 0; |
John Lo | 8d00fff | 2017-08-03 00:35:36 -0400 | [diff] [blame] | 131 | u8 learn = 0; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 132 | u32 bd_id, bd_index = ~0; |
Damjan Marion | d171d48 | 2016-12-05 14:16:38 +0100 | [diff] [blame] | 133 | u8 now = (u8) (vlib_time_now (vm) / 60); |
| 134 | u8 *s = 0; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 135 | |
| 136 | if (unformat (input, "raw")) |
| 137 | raw = 1; |
| 138 | else if (unformat (input, "verbose")) |
| 139 | verbose = 1; |
| 140 | else if (unformat (input, "bd_index %d", &bd_index)) |
| 141 | verbose = 1; |
John Lo | 8d00fff | 2017-08-03 00:35:36 -0400 | [diff] [blame] | 142 | else if (unformat (input, "learn")) |
| 143 | { |
| 144 | learn = 1; |
| 145 | verbose = 0; |
| 146 | } |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 147 | else if (unformat (input, "bd_id %d", &bd_id)) |
| 148 | { |
| 149 | uword *p = hash_get (bdm->bd_index_by_bd_id, bd_id); |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 150 | if (p) |
| 151 | { |
John Lo | 8d00fff | 2017-08-03 00:35:36 -0400 | [diff] [blame] | 152 | if (learn == 0) |
| 153 | verbose = 1; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 154 | bd_index = p[0]; |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 155 | } |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 156 | else |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 157 | { |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 158 | vlib_cli_output (vm, "no such bridge domain id"); |
| 159 | return 0; |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 160 | } |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 161 | } |
| 162 | |
| 163 | for (i = 0; i < h->nbuckets; i++) |
| 164 | { |
| 165 | b = &h->buckets[i]; |
| 166 | if (b->offset == 0) |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 167 | continue; |
| 168 | v = BV (clib_bihash_get_value) (h, b->offset); |
| 169 | for (j = 0; j < (1 << b->log2_pages); j++) |
| 170 | { |
| 171 | for (k = 0; k < BIHASH_KVP_PER_PAGE; k++) |
| 172 | { |
| 173 | if (v->kvp[k].key == ~0ULL && v->kvp[k].value == ~0ULL) |
| 174 | continue; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 175 | |
John Lo | 8d00fff | 2017-08-03 00:35:36 -0400 | [diff] [blame] | 176 | if ((verbose || learn) && first_entry) |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 177 | { |
| 178 | first_entry = 0; |
| 179 | vlib_cli_output (vm, |
John Lo | da1f2c7 | 2017-03-24 20:11:15 -0400 | [diff] [blame] | 180 | "%=19s%=7s%=7s%=8s%=9s%=7s%=7s%=5s%=30s", |
| 181 | "Mac-Address", "BD-Idx", "If-Idx", |
| 182 | "BSN-ISN", "Age(min)", "static", "filter", |
| 183 | "bvi", "Interface-Name"); |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 184 | } |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 185 | |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 186 | key.raw = v->kvp[k].key; |
| 187 | result.raw = v->kvp[k].value; |
| 188 | |
John Lo | 8d00fff | 2017-08-03 00:35:36 -0400 | [diff] [blame] | 189 | if ((verbose || learn) |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 190 | & ((bd_index >> 31) || (bd_index == key.fields.bd_index))) |
| 191 | { |
John Lo | 8d00fff | 2017-08-03 00:35:36 -0400 | [diff] [blame] | 192 | if (learn && result.fields.age_not) |
| 193 | { |
| 194 | total_entries++; |
| 195 | continue; /* skip provisioned macs */ |
| 196 | } |
| 197 | |
Damjan Marion | d171d48 | 2016-12-05 14:16:38 +0100 | [diff] [blame] | 198 | bd_config = vec_elt_at_index (l2input_main.bd_configs, |
| 199 | key.fields.bd_index); |
| 200 | |
John Lo | 8d00fff | 2017-08-03 00:35:36 -0400 | [diff] [blame] | 201 | if (bd_config->mac_age && !result.fields.age_not) |
Damjan Marion | d171d48 | 2016-12-05 14:16:38 +0100 | [diff] [blame] | 202 | { |
| 203 | i16 delta = now - result.fields.timestamp; |
| 204 | delta += delta < 0 ? 256 : 0; |
| 205 | s = format (s, "%d", delta); |
| 206 | } |
| 207 | else |
John Lo | da1f2c7 | 2017-03-24 20:11:15 -0400 | [diff] [blame] | 208 | s = format (s, "-"); |
Damjan Marion | d171d48 | 2016-12-05 14:16:38 +0100 | [diff] [blame] | 209 | |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 210 | vlib_cli_output (vm, |
John Lo | da1f2c7 | 2017-03-24 20:11:15 -0400 | [diff] [blame] | 211 | "%=19U%=7d%=7d %3d/%-3d%=9v%=7s%=7s%=5s%=30U", |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 212 | format_ethernet_address, key.fields.mac, |
| 213 | key.fields.bd_index, |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 214 | result.fields.sw_if_index == ~0 |
| 215 | ? -1 : result.fields.sw_if_index, |
Eyal Bari | 7537e71 | 2017-04-27 14:07:55 +0300 | [diff] [blame] | 216 | result.fields.sn.bd, result.fields.sn.swif, |
John Lo | da1f2c7 | 2017-03-24 20:11:15 -0400 | [diff] [blame] | 217 | s, result.fields.static_mac ? "*" : "-", |
| 218 | result.fields.filter ? "*" : "-", |
| 219 | result.fields.bvi ? "*" : "-", |
| 220 | format_vnet_sw_if_index_name_with_NA, |
| 221 | msm->vnet_main, result.fields.sw_if_index); |
Damjan Marion | d171d48 | 2016-12-05 14:16:38 +0100 | [diff] [blame] | 222 | vec_reset_length (s); |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 223 | } |
| 224 | total_entries++; |
| 225 | } |
| 226 | v++; |
| 227 | } |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 228 | } |
| 229 | |
| 230 | if (total_entries == 0) |
| 231 | vlib_cli_output (vm, "no l2fib entries"); |
| 232 | else |
John Lo | 8d00fff | 2017-08-03 00:35:36 -0400 | [diff] [blame] | 233 | { |
| 234 | l2learn_main_t *lm = &l2learn_main; |
| 235 | vlib_cli_output (vm, "L2FIB total/learned entries: %d/%d " |
| 236 | "Last scan time: %.4esec Learn limit: %d ", |
| 237 | total_entries, lm->global_learn_count, |
| 238 | msm->age_scan_duration, lm->global_learn_limit); |
| 239 | if (lm->client_pid) |
| 240 | vlib_cli_output (vm, "L2MAC events client PID: %d " |
| 241 | "Last e-scan time: %.4esec Delay: %.2esec " |
| 242 | "Max macs in event: %d", |
| 243 | lm->client_pid, msm->evt_scan_duration, |
| 244 | msm->event_scan_delay, msm->max_macs_in_event); |
| 245 | } |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 246 | |
| 247 | if (raw) |
| 248 | vlib_cli_output (vm, "Raw Hash Table:\n%U\n", |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 249 | BV (format_bihash), h, 1 /* verbose */ ); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 250 | |
Damjan Marion | d171d48 | 2016-12-05 14:16:38 +0100 | [diff] [blame] | 251 | vec_free (s); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 252 | return 0; |
| 253 | } |
| 254 | |
Billy McFall | 22aa3e9 | 2016-09-09 08:46:40 -0400 | [diff] [blame] | 255 | /*? |
| 256 | * This command dispays the MAC Address entries of the L2 FIB table. |
| 257 | * Output can be filtered to just get the number of MAC Addresses or display |
| 258 | * each MAC Address for all bridge domains or just a single bridge domain. |
| 259 | * |
| 260 | * @cliexpar |
| 261 | * Example of how to display the number of MAC Address entries in the L2 |
| 262 | * FIB table: |
| 263 | * @cliexstart{show l2fib} |
| 264 | * 3 l2fib entries |
| 265 | * @cliexend |
| 266 | * Example of how to display all the MAC Address entries in the L2 |
| 267 | * FIB table: |
| 268 | * @cliexstart{show l2fib verbose} |
| 269 | * Mac Address BD Idx Interface Index static filter bvi refresh timestamp |
| 270 | * 52:54:00:53:18:33 1 GigabitEthernet0/8/0.200 3 0 0 0 0 0 |
| 271 | * 52:54:00:53:18:55 1 GigabitEthernet0/8/0.200 3 1 0 0 0 0 |
| 272 | * 52:54:00:53:18:77 1 N/A -1 1 1 0 0 0 |
| 273 | * 3 l2fib entries |
| 274 | * @cliexend |
| 275 | ?*/ |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 276 | /* *INDENT-OFF* */ |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 277 | VLIB_CLI_COMMAND (show_l2fib_cli, static) = { |
| 278 | .path = "show l2fib", |
John Lo | 8d00fff | 2017-08-03 00:35:36 -0400 | [diff] [blame] | 279 | .short_help = "show l2fib [verbose | learn | bd_id <nn> | bd_index <nn> | raw", |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 280 | .function = show_l2fib, |
| 281 | }; |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 282 | /* *INDENT-ON* */ |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 283 | |
| 284 | |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 285 | /* Remove all entries from the l2fib */ |
| 286 | void |
Eyal Bari | 7537e71 | 2017-04-27 14:07:55 +0300 | [diff] [blame] | 287 | l2fib_clear_table (void) |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 288 | { |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 289 | l2fib_main_t *mp = &l2fib_main; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 290 | |
Eyal Bari | 7537e71 | 2017-04-27 14:07:55 +0300 | [diff] [blame] | 291 | /* Remove all entries */ |
| 292 | BV (clib_bihash_free) (&mp->mac_table); |
| 293 | BV (clib_bihash_init) (&mp->mac_table, "l2fib mac table", |
| 294 | L2FIB_NUM_BUCKETS, L2FIB_MEMORY_SIZE); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 295 | l2learn_main.global_learn_count = 0; |
| 296 | } |
| 297 | |
Chris Luke | 16bcf7d | 2016-09-01 14:31:46 -0400 | [diff] [blame] | 298 | /** Clear all entries in L2FIB. |
| 299 | * @TODO: Later we may want a way to remove only the non-static entries |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 300 | */ |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 301 | static clib_error_t * |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 302 | clear_l2fib (vlib_main_t * vm, |
| 303 | unformat_input_t * input, vlib_cli_command_t * cmd) |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 304 | { |
Eyal Bari | 7537e71 | 2017-04-27 14:07:55 +0300 | [diff] [blame] | 305 | l2fib_clear_table (); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 306 | return 0; |
| 307 | } |
| 308 | |
Billy McFall | 22aa3e9 | 2016-09-09 08:46:40 -0400 | [diff] [blame] | 309 | /*? |
| 310 | * This command clears all the MAC Address entries from the L2 FIB table. |
| 311 | * |
| 312 | * @cliexpar |
| 313 | * Example of how to clear the L2 FIB Table: |
| 314 | * @cliexcmd{clear l2fib} |
| 315 | * Example to show the L2 FIB Table has been cleared: |
| 316 | * @cliexstart{show l2fib verbose} |
| 317 | * no l2fib entries |
| 318 | * @cliexend |
| 319 | ?*/ |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 320 | /* *INDENT-OFF* */ |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 321 | VLIB_CLI_COMMAND (clear_l2fib_cli, static) = { |
| 322 | .path = "clear l2fib", |
Billy McFall | 22aa3e9 | 2016-09-09 08:46:40 -0400 | [diff] [blame] | 323 | .short_help = "clear l2fib", |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 324 | .function = clear_l2fib, |
| 325 | }; |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 326 | /* *INDENT-ON* */ |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 327 | |
Eyal Bari | 7537e71 | 2017-04-27 14:07:55 +0300 | [diff] [blame] | 328 | static inline l2fib_seq_num_t |
| 329 | l2fib_cur_seq_num (u32 bd_index, u32 sw_if_index) |
| 330 | { |
Eyal Bari | 7537e71 | 2017-04-27 14:07:55 +0300 | [diff] [blame] | 331 | l2_bridge_domain_t *bd_config = l2input_bd_config (bd_index); |
| 332 | /* *INDENT-OFF* */ |
| 333 | return (l2fib_seq_num_t) { |
Eyal Bari | 0f360dc | 2017-06-14 13:11:20 +0300 | [diff] [blame] | 334 | .swif = *l2fib_swif_seq_num (sw_if_index), |
Eyal Bari | 7537e71 | 2017-04-27 14:07:55 +0300 | [diff] [blame] | 335 | .bd = bd_config->seq_num, |
| 336 | }; |
| 337 | /* *INDENT-ON* */ |
| 338 | } |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 339 | |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 340 | /** |
| 341 | * Add an entry to the l2fib. |
| 342 | * If the entry already exists then overwrite it |
| 343 | */ |
| 344 | void |
Eyal Bari | 7537e71 | 2017-04-27 14:07:55 +0300 | [diff] [blame] | 345 | l2fib_add_entry (u64 mac, u32 bd_index, |
John Lo | 8d00fff | 2017-08-03 00:35:36 -0400 | [diff] [blame] | 346 | u32 sw_if_index, u8 static_mac, u8 filter_mac, u8 bvi_mac) |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 347 | { |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 348 | l2fib_entry_key_t key; |
| 349 | l2fib_entry_result_t result; |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 350 | __attribute__ ((unused)) u32 bucket_contents; |
John Lo | 8d00fff | 2017-08-03 00:35:36 -0400 | [diff] [blame] | 351 | l2fib_main_t *fm = &l2fib_main; |
| 352 | l2learn_main_t *lm = &l2learn_main; |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 353 | BVT (clib_bihash_kv) kv; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 354 | |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 355 | /* set up key */ |
| 356 | key.raw = l2fib_make_key ((u8 *) & mac, bd_index); |
| 357 | |
John Lo | 8d00fff | 2017-08-03 00:35:36 -0400 | [diff] [blame] | 358 | /* check if entry alread exist */ |
| 359 | if (BV (clib_bihash_search) (&fm->mac_table, &kv, &kv)) |
| 360 | { |
| 361 | /* decrement counter if overwriting a learned mac */ |
| 362 | result.raw = kv.value; |
| 363 | if ((result.fields.age_not == 0) && (lm->global_learn_count)) |
| 364 | lm->global_learn_count--; |
| 365 | } |
| 366 | |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 367 | /* set up result */ |
| 368 | result.raw = 0; /* clear all fields */ |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 369 | result.fields.sw_if_index = sw_if_index; |
| 370 | result.fields.static_mac = static_mac; |
| 371 | result.fields.filter = filter_mac; |
| 372 | result.fields.bvi = bvi_mac; |
John Lo | 8d00fff | 2017-08-03 00:35:36 -0400 | [diff] [blame] | 373 | result.fields.age_not = 1; /* no aging for provisioned entry */ |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 374 | |
| 375 | kv.key = key.raw; |
| 376 | kv.value = result.raw; |
| 377 | |
John Lo | 8d00fff | 2017-08-03 00:35:36 -0400 | [diff] [blame] | 378 | BV (clib_bihash_add_del) (&fm->mac_table, &kv, 1 /* is_add */ ); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 379 | } |
| 380 | |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 381 | /** |
Chris Luke | 16bcf7d | 2016-09-01 14:31:46 -0400 | [diff] [blame] | 382 | * Add an entry to the L2FIB. |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 383 | * The CLI format is: |
| 384 | * l2fib add <mac> <bd> <intf> [static] [bvi] |
| 385 | * l2fib add <mac> <bd> filter |
| 386 | * Note that filter and bvi entries are always static |
| 387 | */ |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 388 | static clib_error_t * |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 389 | l2fib_add (vlib_main_t * vm, |
| 390 | unformat_input_t * input, vlib_cli_command_t * cmd) |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 391 | { |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 392 | bd_main_t *bdm = &bd_main; |
| 393 | vnet_main_t *vnm = vnet_get_main (); |
| 394 | clib_error_t *error = 0; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 395 | u64 mac; |
| 396 | u32 bd_id; |
| 397 | u32 bd_index; |
| 398 | u32 sw_if_index = ~0; |
| 399 | u32 filter_mac = 0; |
| 400 | u32 static_mac = 0; |
| 401 | u32 bvi_mac = 0; |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 402 | uword *p; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 403 | |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 404 | if (!unformat_user (input, unformat_ethernet_address, &mac)) |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 405 | { |
| 406 | error = clib_error_return (0, "expected mac address `%U'", |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 407 | format_unformat_error, input); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 408 | goto done; |
| 409 | } |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 410 | |
| 411 | if (!unformat (input, "%d", &bd_id)) |
| 412 | { |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 413 | error = clib_error_return (0, "expected bridge domain ID `%U'", |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 414 | format_unformat_error, input); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 415 | goto done; |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 416 | } |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 417 | |
| 418 | p = hash_get (bdm->bd_index_by_bd_id, bd_id); |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 419 | if (!p) |
| 420 | { |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 421 | error = clib_error_return (0, "bridge domain ID %d invalid", bd_id); |
| 422 | goto done; |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 423 | } |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 424 | bd_index = p[0]; |
| 425 | |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 426 | if (unformat (input, "filter")) |
| 427 | { |
| 428 | filter_mac = 1; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 429 | static_mac = 1; |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 430 | |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 431 | } |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 432 | else |
| 433 | { |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 434 | |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 435 | if (!unformat_user |
| 436 | (input, unformat_vnet_sw_interface, vnm, &sw_if_index)) |
| 437 | { |
| 438 | error = clib_error_return (0, "unknown interface `%U'", |
| 439 | format_unformat_error, input); |
| 440 | goto done; |
| 441 | } |
| 442 | if (unformat (input, "static")) |
| 443 | { |
| 444 | static_mac = 1; |
| 445 | } |
| 446 | else if (unformat (input, "bvi")) |
| 447 | { |
| 448 | bvi_mac = 1; |
| 449 | static_mac = 1; |
| 450 | } |
| 451 | } |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 452 | |
John Lo | b2fd6cb | 2017-07-12 19:56:45 -0400 | [diff] [blame] | 453 | if (vec_len (l2input_main.configs) <= sw_if_index) |
| 454 | { |
| 455 | error = clib_error_return (0, "Interface sw_if_index %d not in L2 mode", |
| 456 | sw_if_index); |
| 457 | goto done; |
| 458 | } |
| 459 | |
Eyal Bari | 31a71ab | 2017-06-25 14:42:33 +0300 | [diff] [blame] | 460 | if (filter_mac) |
| 461 | l2fib_add_filter_entry (mac, bd_index); |
| 462 | else |
| 463 | l2fib_add_fwd_entry (mac, bd_index, sw_if_index, static_mac, bvi_mac); |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 464 | |
| 465 | done: |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 466 | return error; |
| 467 | } |
| 468 | |
Billy McFall | 22aa3e9 | 2016-09-09 08:46:40 -0400 | [diff] [blame] | 469 | /*? |
| 470 | * This command adds a MAC Address entry to the L2 FIB table |
| 471 | * of an existing bridge-domain. The MAC Address can be static |
| 472 | * or dynamic. This command also allows a filter to be added, |
| 473 | * such that packets with given MAC Addresses (source mac or |
| 474 | * destination mac match) are dropped. |
| 475 | * |
| 476 | * @cliexpar |
| 477 | * Example of how to add a dynamic MAC Address entry to the L2 FIB table |
| 478 | * of a bridge-domain (where 200 is the bridge-domain-id): |
| 479 | * @cliexcmd{l2fib add 52:54:00:53:18:33 200 GigabitEthernet0/8/0.200} |
| 480 | * Example of how to add a static MAC Address entry to the L2 FIB table |
| 481 | * of a bridge-domain (where 200 is the bridge-domain-id): |
| 482 | * @cliexcmd{l2fib add 52:54:00:53:18:55 200 GigabitEthernet0/8/0.200 static} |
| 483 | * Example of how to add a filter such that a packet with the given MAC |
| 484 | * Address will be dropped in a given bridge-domain (where 200 is the |
| 485 | * bridge-domain-id): |
| 486 | * @cliexcmd{l2fib add 52:54:00:53:18:77 200 filter} |
| 487 | * Example of show command of the provisioned MAC Addresses and filters: |
| 488 | * @cliexstart{show l2fib verbose} |
| 489 | * Mac Address BD Idx Interface Index static filter bvi refresh timestamp |
| 490 | * 52:54:00:53:18:33 1 GigabitEthernet0/8/0.200 3 0 0 0 0 0 |
| 491 | * 52:54:00:53:18:55 1 GigabitEthernet0/8/0.200 3 1 0 0 0 0 |
| 492 | * 52:54:00:53:18:77 1 N/A -1 1 1 0 0 0 |
| 493 | * 3 l2fib entries |
| 494 | * @cliexend |
| 495 | ?*/ |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 496 | /* *INDENT-OFF* */ |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 497 | VLIB_CLI_COMMAND (l2fib_add_cli, static) = { |
| 498 | .path = "l2fib add", |
Billy McFall | 22aa3e9 | 2016-09-09 08:46:40 -0400 | [diff] [blame] | 499 | .short_help = "l2fib add <mac> <bridge-domain-id> filter | <intf> [static | bvi]", |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 500 | .function = l2fib_add, |
| 501 | }; |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 502 | /* *INDENT-ON* */ |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 503 | |
| 504 | |
| 505 | static clib_error_t * |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 506 | l2fib_test_command_fn (vlib_main_t * vm, |
| 507 | unformat_input_t * input, vlib_cli_command_t * cmd) |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 508 | { |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 509 | clib_error_t *error = 0; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 510 | u64 mac, save_mac; |
| 511 | u32 bd_index = 0; |
| 512 | u32 sw_if_index = 8; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 513 | u32 bvi_mac = 0; |
| 514 | u32 is_add = 0; |
| 515 | u32 is_del = 0; |
| 516 | u32 is_check = 0; |
| 517 | u32 count = 1; |
| 518 | int mac_set = 0; |
| 519 | int i; |
| 520 | |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 521 | while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 522 | { |
| 523 | if (unformat (input, "mac %U", unformat_ethernet_address, &mac)) |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 524 | mac_set = 1; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 525 | else if (unformat (input, "add")) |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 526 | is_add = 1; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 527 | else if (unformat (input, "del")) |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 528 | is_del = 1; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 529 | else if (unformat (input, "check")) |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 530 | is_check = 1; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 531 | else if (unformat (input, "count %d", &count)) |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 532 | ; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 533 | else |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 534 | break; |
| 535 | } |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 536 | |
| 537 | if (mac_set == 0) |
| 538 | return clib_error_return (0, "mac not set"); |
| 539 | |
| 540 | if (is_add == 0 && is_del == 0 && is_check == 0) |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 541 | return clib_error_return (0, |
| 542 | "noop: pick at least one of (add,del,check)"); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 543 | |
| 544 | save_mac = mac; |
| 545 | |
| 546 | if (is_add) |
| 547 | { |
| 548 | for (i = 0; i < count; i++) |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 549 | { |
| 550 | u64 tmp; |
Eyal Bari | 31a71ab | 2017-06-25 14:42:33 +0300 | [diff] [blame] | 551 | l2fib_add_fwd_entry (mac, bd_index, sw_if_index, mac, bvi_mac); |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 552 | tmp = clib_net_to_host_u64 (mac); |
| 553 | tmp >>= 16; |
| 554 | tmp++; |
| 555 | tmp <<= 16; |
| 556 | mac = clib_host_to_net_u64 (tmp); |
| 557 | } |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 558 | } |
| 559 | |
| 560 | if (is_check) |
| 561 | { |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 562 | BVT (clib_bihash_kv) kv; |
| 563 | l2fib_main_t *mp = &l2fib_main; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 564 | |
| 565 | mac = save_mac; |
| 566 | |
| 567 | for (i = 0; i < count; i++) |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 568 | { |
| 569 | u64 tmp; |
| 570 | kv.key = l2fib_make_key ((u8 *) & mac, bd_index); |
| 571 | if (BV (clib_bihash_search) (&mp->mac_table, &kv, &kv)) |
| 572 | { |
| 573 | clib_warning ("key %U AWOL", format_ethernet_address, &mac); |
| 574 | break; |
| 575 | } |
| 576 | tmp = clib_net_to_host_u64 (mac); |
| 577 | tmp >>= 16; |
| 578 | tmp++; |
| 579 | tmp <<= 16; |
| 580 | mac = clib_host_to_net_u64 (tmp); |
| 581 | } |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 582 | } |
| 583 | |
| 584 | if (is_del) |
| 585 | { |
| 586 | for (i = 0; i < count; i++) |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 587 | { |
| 588 | u64 tmp; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 589 | |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 590 | l2fib_del_entry (mac, bd_index); |
| 591 | |
| 592 | tmp = clib_net_to_host_u64 (mac); |
| 593 | tmp >>= 16; |
| 594 | tmp++; |
| 595 | tmp <<= 16; |
| 596 | mac = clib_host_to_net_u64 (tmp); |
| 597 | } |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 598 | } |
| 599 | |
| 600 | return error; |
| 601 | } |
| 602 | |
Billy McFall | 22aa3e9 | 2016-09-09 08:46:40 -0400 | [diff] [blame] | 603 | /*? |
| 604 | * The set of '<em>test l2fib</em>' commands allow the L2 FIB table of the default |
| 605 | * bridge domain (bridge-domain-id of 0) to be modified. |
| 606 | * |
| 607 | * @cliexpar |
| 608 | * @parblock |
| 609 | * Example of how to add a set of 4 sequential MAC Address entries to L2 |
| 610 | * FIB table of the default bridge-domain: |
| 611 | * @cliexcmd{test l2fib add mac 52:54:00:53:00:00 count 4} |
| 612 | * |
| 613 | * Show the set of 4 sequential MAC Address entries that were added: |
| 614 | * @cliexstart{show l2fib verbose} |
| 615 | * Mac Address BD Idx Interface Index static filter bvi refresh timestamp |
| 616 | * 52:54:00:53:00:00 0 GigabitEthernet0/8/0.300 8 0 0 0 0 0 |
| 617 | * 52:54:00:53:00:01 0 GigabitEthernet0/8/0.300 8 0 0 0 0 0 |
| 618 | * 52:54:00:53:00:03 0 GigabitEthernet0/8/0.300 8 0 0 0 0 0 |
| 619 | * 52:54:00:53:00:02 0 GigabitEthernet0/8/0.300 8 0 0 0 0 0 |
| 620 | * 4 l2fib entries |
| 621 | * @cliexend |
| 622 | * |
| 623 | * Example of how to check that the set of 4 sequential MAC Address |
| 624 | * entries were added to L2 FIB table of the default |
| 625 | * bridge-domain. Used a count of 5 to produce an error: |
| 626 | * |
| 627 | * @cliexcmd{test l2fib check mac 52:54:00:53:00:00 count 5} |
| 628 | * The output of the check command is in the log files. Log file |
| 629 | * location may vary based on your OS and Version: |
| 630 | * |
| 631 | * <b><em># tail -f /var/log/messages | grep l2fib_test_command_fn</em></b> |
| 632 | * |
| 633 | * Sep 7 17:15:24 localhost vnet[4952]: l2fib_test_command_fn:446: key 52:54:00:53:00:04 AWOL |
| 634 | * |
| 635 | * Example of how to delete a set of 4 sequential MAC Address entries |
| 636 | * from L2 FIB table of the default bridge-domain: |
| 637 | * @cliexcmd{test l2fib del mac 52:54:00:53:00:00 count 4} |
| 638 | * @endparblock |
| 639 | ?*/ |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 640 | /* *INDENT-OFF* */ |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 641 | VLIB_CLI_COMMAND (l2fib_test_command, static) = { |
| 642 | .path = "test l2fib", |
Billy McFall | 22aa3e9 | 2016-09-09 08:46:40 -0400 | [diff] [blame] | 643 | .short_help = "test l2fib [add|del|check] mac <base-addr> count <nn>", |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 644 | .function = l2fib_test_command_fn, |
| 645 | }; |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 646 | /* *INDENT-ON* */ |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 647 | |
| 648 | |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 649 | /** |
| 650 | * Delete an entry from the l2fib. |
| 651 | * Return 0 if the entry was deleted, or 1 if it was not found |
| 652 | */ |
Eyal Bari | 7537e71 | 2017-04-27 14:07:55 +0300 | [diff] [blame] | 653 | static u32 |
| 654 | l2fib_del_entry_by_key (u64 raw_key) |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 655 | { |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 656 | |
| 657 | l2fib_entry_result_t result; |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 658 | l2fib_main_t *mp = &l2fib_main; |
| 659 | BVT (clib_bihash_kv) kv; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 660 | |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 661 | /* set up key */ |
Eyal Bari | 7537e71 | 2017-04-27 14:07:55 +0300 | [diff] [blame] | 662 | kv.key = raw_key; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 663 | |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 664 | if (BV (clib_bihash_search) (&mp->mac_table, &kv, &kv)) |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 665 | return 1; |
| 666 | |
| 667 | result.raw = kv.value; |
| 668 | |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 669 | /* decrement counter if dynamically learned mac */ |
John Lo | 8d00fff | 2017-08-03 00:35:36 -0400 | [diff] [blame] | 670 | if ((result.fields.age_not == 0) && (l2learn_main.global_learn_count)) |
| 671 | l2learn_main.global_learn_count--; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 672 | |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 673 | /* Remove entry from hash table */ |
| 674 | BV (clib_bihash_add_del) (&mp->mac_table, &kv, 0 /* is_add */ ); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 675 | return 0; |
| 676 | } |
| 677 | |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 678 | /** |
Eyal Bari | 7537e71 | 2017-04-27 14:07:55 +0300 | [diff] [blame] | 679 | * Delete an entry from the l2fib. |
| 680 | * Return 0 if the entry was deleted, or 1 if it was not found |
| 681 | */ |
| 682 | u32 |
| 683 | l2fib_del_entry (u64 mac, u32 bd_index) |
| 684 | { |
| 685 | return l2fib_del_entry_by_key (l2fib_make_key ((u8 *) & mac, bd_index)); |
| 686 | } |
| 687 | |
| 688 | /** |
Chris Luke | 16bcf7d | 2016-09-01 14:31:46 -0400 | [diff] [blame] | 689 | * Delete an entry from the L2FIB. |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 690 | * The CLI format is: |
| 691 | * l2fib del <mac> <bd-id> |
| 692 | */ |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 693 | static clib_error_t * |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 694 | l2fib_del (vlib_main_t * vm, |
| 695 | unformat_input_t * input, vlib_cli_command_t * cmd) |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 696 | { |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 697 | bd_main_t *bdm = &bd_main; |
| 698 | clib_error_t *error = 0; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 699 | u64 mac; |
| 700 | u32 bd_id; |
| 701 | u32 bd_index; |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 702 | uword *p; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 703 | |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 704 | if (!unformat_user (input, unformat_ethernet_address, &mac)) |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 705 | { |
| 706 | error = clib_error_return (0, "expected mac address `%U'", |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 707 | format_unformat_error, input); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 708 | goto done; |
| 709 | } |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 710 | |
| 711 | if (!unformat (input, "%d", &bd_id)) |
| 712 | { |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 713 | error = clib_error_return (0, "expected bridge domain ID `%U'", |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 714 | format_unformat_error, input); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 715 | goto done; |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 716 | } |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 717 | |
| 718 | p = hash_get (bdm->bd_index_by_bd_id, bd_id); |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 719 | if (!p) |
| 720 | { |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 721 | error = clib_error_return (0, "bridge domain ID %d invalid", bd_id); |
| 722 | goto done; |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 723 | } |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 724 | bd_index = p[0]; |
| 725 | |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 726 | /* Delete the entry */ |
| 727 | if (l2fib_del_entry (mac, bd_index)) |
| 728 | { |
| 729 | error = clib_error_return (0, "mac entry not found"); |
| 730 | goto done; |
| 731 | } |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 732 | |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 733 | done: |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 734 | return error; |
| 735 | } |
| 736 | |
Billy McFall | 22aa3e9 | 2016-09-09 08:46:40 -0400 | [diff] [blame] | 737 | /*? |
| 738 | * This command deletes an existing MAC Address entry from the L2 FIB |
| 739 | * table of an existing bridge-domain. |
| 740 | * |
| 741 | * @cliexpar |
| 742 | * Example of how to delete a MAC Address entry from the L2 FIB table of a bridge-domain (where 200 is the bridge-domain-id): |
| 743 | * @cliexcmd{l2fib del 52:54:00:53:18:33 200} |
| 744 | ?*/ |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 745 | /* *INDENT-OFF* */ |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 746 | VLIB_CLI_COMMAND (l2fib_del_cli, static) = { |
| 747 | .path = "l2fib del", |
Billy McFall | 22aa3e9 | 2016-09-09 08:46:40 -0400 | [diff] [blame] | 748 | .short_help = "l2fib del <mac> <bridge-domain-id>", |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 749 | .function = l2fib_del, |
| 750 | }; |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 751 | /* *INDENT-ON* */ |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 752 | |
John Lo | da1f2c7 | 2017-03-24 20:11:15 -0400 | [diff] [blame] | 753 | /** |
| 754 | Kick off ager to scan MACs to age/delete MAC entries |
| 755 | */ |
| 756 | void |
| 757 | l2fib_start_ager_scan (vlib_main_t * vm) |
| 758 | { |
Eyal Bari | 24db0ec | 2017-09-27 21:43:51 +0300 | [diff] [blame^] | 759 | uword evt = L2_MAC_AGE_PROCESS_EVENT_ONE_PASS; |
John Lo | da1f2c7 | 2017-03-24 20:11:15 -0400 | [diff] [blame] | 760 | |
| 761 | /* check if there is at least one bd with mac aging enabled */ |
Eyal Bari | 24db0ec | 2017-09-27 21:43:51 +0300 | [diff] [blame^] | 762 | l2_bridge_domain_t *bd_config; |
John Lo | da1f2c7 | 2017-03-24 20:11:15 -0400 | [diff] [blame] | 763 | vec_foreach (bd_config, l2input_main.bd_configs) |
Eyal Bari | 24db0ec | 2017-09-27 21:43:51 +0300 | [diff] [blame^] | 764 | { |
John Lo | da1f2c7 | 2017-03-24 20:11:15 -0400 | [diff] [blame] | 765 | if (bd_config->bd_id != ~0 && bd_config->mac_age != 0) |
Eyal Bari | 24db0ec | 2017-09-27 21:43:51 +0300 | [diff] [blame^] | 766 | { |
| 767 | evt = L2_MAC_AGE_PROCESS_EVENT_START; |
| 768 | break; |
| 769 | } |
| 770 | } |
John Lo | da1f2c7 | 2017-03-24 20:11:15 -0400 | [diff] [blame] | 771 | |
| 772 | vlib_process_signal_event (vm, l2fib_mac_age_scanner_process_node.index, |
Eyal Bari | 24db0ec | 2017-09-27 21:43:51 +0300 | [diff] [blame^] | 773 | evt, 0); |
John Lo | da1f2c7 | 2017-03-24 20:11:15 -0400 | [diff] [blame] | 774 | } |
| 775 | |
| 776 | /** |
Eyal Bari | 7537e71 | 2017-04-27 14:07:55 +0300 | [diff] [blame] | 777 | Flush all non static MACs from an interface |
John Lo | da1f2c7 | 2017-03-24 20:11:15 -0400 | [diff] [blame] | 778 | */ |
| 779 | void |
| 780 | l2fib_flush_int_mac (vlib_main_t * vm, u32 sw_if_index) |
| 781 | { |
Eyal Bari | 0f360dc | 2017-06-14 13:11:20 +0300 | [diff] [blame] | 782 | *l2fib_swif_seq_num (sw_if_index) += 1; |
John Lo | da1f2c7 | 2017-03-24 20:11:15 -0400 | [diff] [blame] | 783 | l2fib_start_ager_scan (vm); |
| 784 | } |
| 785 | |
| 786 | /** |
Eyal Bari | 7537e71 | 2017-04-27 14:07:55 +0300 | [diff] [blame] | 787 | Flush all non static MACs in a bridge domain |
John Lo | da1f2c7 | 2017-03-24 20:11:15 -0400 | [diff] [blame] | 788 | */ |
| 789 | void |
| 790 | l2fib_flush_bd_mac (vlib_main_t * vm, u32 bd_index) |
| 791 | { |
Eyal Bari | 7537e71 | 2017-04-27 14:07:55 +0300 | [diff] [blame] | 792 | l2_bridge_domain_t *bd_config = l2input_bd_config (bd_index); |
John Lo | da1f2c7 | 2017-03-24 20:11:15 -0400 | [diff] [blame] | 793 | bd_config->seq_num += 1; |
| 794 | l2fib_start_ager_scan (vm); |
| 795 | } |
| 796 | |
| 797 | /** |
Eyal Bari | 7537e71 | 2017-04-27 14:07:55 +0300 | [diff] [blame] | 798 | Flush all non static MACs - flushes all valid BDs |
| 799 | */ |
| 800 | void |
| 801 | l2fib_flush_all_mac (vlib_main_t * vm) |
| 802 | { |
| 803 | l2_bridge_domain_t *bd_config; |
| 804 | vec_foreach (bd_config, l2input_main.bd_configs) |
| 805 | if (bd_is_valid (bd_config)) |
| 806 | bd_config->seq_num += 1; |
| 807 | |
| 808 | l2fib_start_ager_scan (vm); |
| 809 | } |
| 810 | |
| 811 | |
| 812 | /** |
John Lo | da1f2c7 | 2017-03-24 20:11:15 -0400 | [diff] [blame] | 813 | Flush MACs, except static ones, associated with an interface |
| 814 | The CLI format is: |
| 815 | l2fib flush-mac interface <if-name> |
| 816 | */ |
| 817 | static clib_error_t * |
| 818 | l2fib_flush_mac_int (vlib_main_t * vm, |
| 819 | unformat_input_t * input, vlib_cli_command_t * cmd) |
| 820 | { |
| 821 | vnet_main_t *vnm = vnet_get_main (); |
| 822 | clib_error_t *error = 0; |
| 823 | u32 sw_if_index; |
| 824 | |
| 825 | if (!unformat_user (input, unformat_vnet_sw_interface, vnm, &sw_if_index)) |
| 826 | { |
| 827 | error = clib_error_return (0, "unknown interface `%U'", |
| 828 | format_unformat_error, input); |
| 829 | goto done; |
| 830 | } |
| 831 | |
| 832 | l2fib_flush_int_mac (vm, sw_if_index); |
| 833 | |
| 834 | done: |
| 835 | return error; |
| 836 | } |
| 837 | |
Eyal Bari | 7537e71 | 2017-04-27 14:07:55 +0300 | [diff] [blame] | 838 | /** |
| 839 | Flush all MACs, except static ones |
| 840 | The CLI format is: |
| 841 | l2fib flush-mac all |
| 842 | */ |
| 843 | static clib_error_t * |
| 844 | l2fib_flush_mac_all (vlib_main_t * vm, |
| 845 | unformat_input_t * input, vlib_cli_command_t * cmd) |
| 846 | { |
| 847 | l2fib_flush_all_mac (vm); |
| 848 | return 0; |
| 849 | } |
| 850 | |
| 851 | /*? |
| 852 | * This command kick off ager to delete all existing MAC Address entries, |
| 853 | * except static ones, associated with an interface from the L2 FIB table. |
| 854 | * |
| 855 | * @cliexpar |
| 856 | * Example of how to flush MAC Address entries learned on an interface from the L2 FIB table: |
| 857 | * @cliexcmd{l2fib flush-mac interface GigabitEthernet2/1/0} |
| 858 | ?*/ |
| 859 | /* *INDENT-OFF* */ |
| 860 | VLIB_CLI_COMMAND (l2fib_flush_mac_all_cli, static) = { |
| 861 | .path = "l2fib flush-mac all", |
| 862 | .short_help = "l2fib flush-mac all", |
| 863 | .function = l2fib_flush_mac_all, |
| 864 | }; |
| 865 | /* *INDENT-ON* */ |
| 866 | |
John Lo | da1f2c7 | 2017-03-24 20:11:15 -0400 | [diff] [blame] | 867 | /*? |
| 868 | * This command kick off ager to delete all existing MAC Address entries, |
| 869 | * except static ones, associated with an interface from the L2 FIB table. |
| 870 | * |
| 871 | * @cliexpar |
| 872 | * Example of how to flush MAC Address entries learned on an interface from the L2 FIB table: |
| 873 | * @cliexcmd{l2fib flush-mac interface GigabitEthernet2/1/0} |
| 874 | ?*/ |
| 875 | /* *INDENT-OFF* */ |
| 876 | VLIB_CLI_COMMAND (l2fib_flush_mac_int_cli, static) = { |
| 877 | .path = "l2fib flush-mac interface", |
| 878 | .short_help = "l2fib flush-mac interface <if-name>", |
| 879 | .function = l2fib_flush_mac_int, |
| 880 | }; |
| 881 | /* *INDENT-ON* */ |
| 882 | |
| 883 | /** |
| 884 | Flush bridge-domain MACs except static ones. |
| 885 | The CLI format is: |
| 886 | l2fib flush-mac bridge-domain <bd-id> |
| 887 | */ |
| 888 | static clib_error_t * |
| 889 | l2fib_flush_mac_bd (vlib_main_t * vm, |
| 890 | unformat_input_t * input, vlib_cli_command_t * cmd) |
| 891 | { |
| 892 | bd_main_t *bdm = &bd_main; |
| 893 | clib_error_t *error = 0; |
| 894 | u32 bd_index, bd_id; |
| 895 | uword *p; |
| 896 | |
| 897 | if (!unformat (input, "%d", &bd_id)) |
| 898 | { |
| 899 | error = clib_error_return (0, "expecting bridge-domain id but got `%U'", |
| 900 | format_unformat_error, input); |
| 901 | goto done; |
| 902 | } |
| 903 | |
| 904 | p = hash_get (bdm->bd_index_by_bd_id, bd_id); |
| 905 | if (p) |
| 906 | bd_index = *p; |
| 907 | else |
| 908 | return clib_error_return (0, "No such bridge domain %d", bd_id); |
| 909 | |
| 910 | l2fib_flush_bd_mac (vm, bd_index); |
| 911 | |
| 912 | done: |
| 913 | return error; |
| 914 | } |
| 915 | |
| 916 | /*? |
| 917 | * This command kick off ager to delete all existing MAC Address entries, |
| 918 | * except static ones, in a bridge domain from the L2 FIB table. |
| 919 | * |
| 920 | * @cliexpar |
| 921 | * Example of how to flush MAC Address entries learned in a bridge domain from the L2 FIB table: |
| 922 | * @cliexcmd{l2fib flush-mac bridge-domain 1000} |
| 923 | ?*/ |
| 924 | /* *INDENT-OFF* */ |
| 925 | VLIB_CLI_COMMAND (l2fib_flush_mac_bd_cli, static) = { |
| 926 | .path = "l2fib flush-mac bridge-domain", |
| 927 | .short_help = "l2fib flush-mac bridge-domain <bd-id>", |
| 928 | .function = l2fib_flush_mac_bd, |
| 929 | }; |
| 930 | /* *INDENT-ON* */ |
| 931 | |
Eyal Bari | afc47aa | 2017-04-20 14:45:17 +0300 | [diff] [blame] | 932 | clib_error_t * |
| 933 | l2fib_sw_interface_up_down (vnet_main_t * vnm, u32 sw_if_index, u32 flags) |
| 934 | { |
| 935 | l2_input_config_t *config = l2input_intf_config (sw_if_index); |
| 936 | if ((flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) == 0 && config->bridge) |
| 937 | l2fib_flush_int_mac (vnm->vlib_main, sw_if_index); |
| 938 | return 0; |
| 939 | } |
| 940 | |
| 941 | VNET_SW_INTERFACE_ADMIN_UP_DOWN_FUNCTION (l2fib_sw_interface_up_down); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 942 | |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 943 | BVT (clib_bihash) * get_mac_table (void) |
| 944 | { |
| 945 | l2fib_main_t *mp = &l2fib_main; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 946 | return &mp->mac_table; |
| 947 | } |
| 948 | |
John Lo | 8d00fff | 2017-08-03 00:35:36 -0400 | [diff] [blame] | 949 | static_always_inline void * |
| 950 | allocate_mac_evt_buf (u32 client, u32 client_index) |
| 951 | { |
| 952 | l2fib_main_t *fm = &l2fib_main; |
| 953 | vl_api_l2_macs_event_t *mp = vl_msg_api_alloc |
| 954 | (sizeof (*mp) + (fm->max_macs_in_event * sizeof (vl_api_mac_entry_t))); |
| 955 | mp->_vl_msg_id = htons (VL_API_L2_MACS_EVENT); |
| 956 | mp->pid = htonl (client); |
| 957 | mp->client_index = client_index; |
| 958 | return mp; |
| 959 | } |
| 960 | |
| 961 | static_always_inline f64 |
| 962 | l2fib_scan (vlib_main_t * vm, f64 start_time, u8 event_only) |
| 963 | { |
| 964 | l2fib_main_t *fm = &l2fib_main; |
| 965 | l2learn_main_t *lm = &l2learn_main; |
| 966 | |
| 967 | BVT (clib_bihash) * h = &fm->mac_table; |
| 968 | int i, j, k; |
| 969 | f64 last_start = start_time; |
| 970 | f64 accum_t = 0; |
| 971 | f64 delta_t = 0; |
| 972 | u32 evt_idx = 0; |
| 973 | u32 learn_count = 0; |
| 974 | u32 client = lm->client_pid; |
| 975 | u32 cl_idx = lm->client_index; |
| 976 | vl_api_l2_macs_event_t *mp = 0; |
| 977 | unix_shared_memory_queue_t *q = 0; |
| 978 | |
| 979 | if (client) |
| 980 | { |
| 981 | mp = allocate_mac_evt_buf (client, cl_idx); |
| 982 | q = vl_api_client_index_to_input_queue (lm->client_index); |
| 983 | } |
| 984 | |
| 985 | for (i = 0; i < h->nbuckets; i++) |
| 986 | { |
| 987 | /* allow no more than 20us without a pause */ |
| 988 | delta_t = vlib_time_now (vm) - last_start; |
| 989 | if (delta_t > 20e-6) |
| 990 | { |
| 991 | vlib_process_suspend (vm, 100e-6); /* suspend for 100 us */ |
| 992 | last_start = vlib_time_now (vm); |
| 993 | accum_t += delta_t; |
| 994 | } |
| 995 | |
| 996 | if (i < (h->nbuckets - 3)) |
| 997 | { |
| 998 | BVT (clib_bihash_bucket) * b = &h->buckets[i + 3]; |
| 999 | CLIB_PREFETCH (b, CLIB_CACHE_LINE_BYTES, LOAD); |
| 1000 | b = &h->buckets[i + 1]; |
| 1001 | if (b->offset) |
| 1002 | { |
| 1003 | BVT (clib_bihash_value) * v = |
| 1004 | BV (clib_bihash_get_value) (h, b->offset); |
| 1005 | CLIB_PREFETCH (v, CLIB_CACHE_LINE_BYTES, LOAD); |
| 1006 | } |
| 1007 | } |
| 1008 | |
| 1009 | BVT (clib_bihash_bucket) * b = &h->buckets[i]; |
| 1010 | if (b->offset == 0) |
| 1011 | continue; |
| 1012 | BVT (clib_bihash_value) * v = BV (clib_bihash_get_value) (h, b->offset); |
| 1013 | for (j = 0; j < (1 << b->log2_pages); j++) |
| 1014 | { |
| 1015 | for (k = 0; k < BIHASH_KVP_PER_PAGE; k++) |
| 1016 | { |
| 1017 | if (v->kvp[k].key == ~0ULL && v->kvp[k].value == ~0ULL) |
| 1018 | continue; |
| 1019 | |
| 1020 | l2fib_entry_key_t key = {.raw = v->kvp[k].key }; |
| 1021 | l2fib_entry_result_t result = {.raw = v->kvp[k].value }; |
| 1022 | |
| 1023 | if (result.fields.age_not == 0) |
| 1024 | learn_count++; |
| 1025 | |
John Lo | 8d00fff | 2017-08-03 00:35:36 -0400 | [diff] [blame] | 1026 | if (client) |
| 1027 | { |
Eyal Bari | 24db0ec | 2017-09-27 21:43:51 +0300 | [diff] [blame^] | 1028 | if (PREDICT_FALSE (evt_idx >= fm->max_macs_in_event)) |
| 1029 | { |
| 1030 | /* event message full, send it and start a new one */ |
| 1031 | if (q && (q->cursize < q->maxsize)) |
| 1032 | { |
| 1033 | mp->n_macs = htonl (evt_idx); |
| 1034 | vl_msg_api_send_shmem (q, (u8 *) & mp); |
| 1035 | mp = allocate_mac_evt_buf (client, cl_idx); |
| 1036 | } |
| 1037 | else |
| 1038 | { |
| 1039 | clib_warning ("MAC event to pid %d queue stuffed!" |
| 1040 | " %d MAC entries lost", client, |
| 1041 | evt_idx); |
| 1042 | } |
| 1043 | evt_idx = 0; |
| 1044 | } |
| 1045 | |
John Lo | 8d00fff | 2017-08-03 00:35:36 -0400 | [diff] [blame] | 1046 | if (result.fields.lrn_evt) |
| 1047 | { |
| 1048 | /* copy mac entry to event msg */ |
| 1049 | clib_memcpy (mp->mac[evt_idx].mac_addr, key.fields.mac, |
| 1050 | 6); |
| 1051 | mp->mac[evt_idx].is_del = 0; |
| 1052 | mp->mac[evt_idx].sw_if_index = |
| 1053 | htonl (result.fields.sw_if_index); |
| 1054 | /* clear event bit and update mac entry */ |
| 1055 | result.fields.lrn_evt = 0; |
| 1056 | BVT (clib_bihash_kv) kv; |
| 1057 | kv.key = key.raw; |
| 1058 | kv.value = result.raw; |
| 1059 | BV (clib_bihash_add_del) (&fm->mac_table, &kv, 1); |
| 1060 | evt_idx++; |
| 1061 | continue; /* skip aging */ |
| 1062 | } |
| 1063 | } |
| 1064 | |
| 1065 | if (event_only || result.fields.age_not) |
| 1066 | continue; /* skip aging - static_mac alsways age_not */ |
| 1067 | |
| 1068 | /* start aging processing */ |
| 1069 | u32 bd_index = key.fields.bd_index; |
| 1070 | u32 sw_if_index = result.fields.sw_if_index; |
| 1071 | u16 sn = l2fib_cur_seq_num (bd_index, sw_if_index).as_u16; |
| 1072 | if (result.fields.sn.as_u16 != sn) |
| 1073 | goto age_out; /* stale mac */ |
| 1074 | |
| 1075 | l2_bridge_domain_t *bd_config = |
| 1076 | vec_elt_at_index (l2input_main.bd_configs, bd_index); |
| 1077 | |
| 1078 | if (bd_config->mac_age == 0) |
| 1079 | continue; /* skip aging */ |
| 1080 | |
| 1081 | i16 delta = (u8) (start_time / 60) - result.fields.timestamp; |
| 1082 | delta += delta < 0 ? 256 : 0; |
| 1083 | |
| 1084 | if (delta < bd_config->mac_age) |
| 1085 | continue; /* still valid */ |
| 1086 | |
| 1087 | age_out: |
| 1088 | if (client) |
| 1089 | { |
| 1090 | /* copy mac entry to event msg */ |
| 1091 | clib_memcpy (mp->mac[evt_idx].mac_addr, key.fields.mac, 6); |
| 1092 | mp->mac[evt_idx].is_del = 1; |
| 1093 | mp->mac[evt_idx].sw_if_index = |
| 1094 | htonl (result.fields.sw_if_index); |
| 1095 | evt_idx++; |
| 1096 | } |
| 1097 | /* delete mac entry */ |
| 1098 | BVT (clib_bihash_kv) kv; |
| 1099 | kv.key = key.raw; |
| 1100 | BV (clib_bihash_add_del) (&fm->mac_table, &kv, 0); |
| 1101 | learn_count--; |
| 1102 | } |
| 1103 | v++; |
| 1104 | } |
| 1105 | } |
| 1106 | |
| 1107 | /* keep learn count consistent */ |
| 1108 | l2learn_main.global_learn_count = learn_count; |
| 1109 | |
| 1110 | if (mp) |
| 1111 | { |
| 1112 | /* send any outstanding mac event message else free message buffer */ |
| 1113 | if (evt_idx) |
| 1114 | { |
| 1115 | if (q && (q->cursize < q->maxsize)) |
| 1116 | { |
| 1117 | mp->n_macs = htonl (evt_idx); |
| 1118 | vl_msg_api_send_shmem (q, (u8 *) & mp); |
| 1119 | } |
| 1120 | else |
| 1121 | { |
| 1122 | clib_warning ("MAC event to pid %d queue stuffed!" |
| 1123 | " %d MAC entries lost", client, evt_idx); |
| 1124 | vl_msg_api_free (mp); |
| 1125 | } |
| 1126 | } |
| 1127 | else |
| 1128 | vl_msg_api_free (mp); |
| 1129 | } |
| 1130 | return delta_t + accum_t; |
| 1131 | } |
| 1132 | |
John Lo | 8d00fff | 2017-08-03 00:35:36 -0400 | [diff] [blame] | 1133 | /* Maximum f64 value */ |
| 1134 | #define TIME_MAX (1.7976931348623157e+308) |
| 1135 | |
Damjan Marion | d171d48 | 2016-12-05 14:16:38 +0100 | [diff] [blame] | 1136 | static uword |
| 1137 | l2fib_mac_age_scanner_process (vlib_main_t * vm, vlib_node_runtime_t * rt, |
| 1138 | vlib_frame_t * f) |
| 1139 | { |
| 1140 | uword event_type, *event_data = 0; |
John Lo | 8d00fff | 2017-08-03 00:35:36 -0400 | [diff] [blame] | 1141 | l2fib_main_t *fm = &l2fib_main; |
| 1142 | l2learn_main_t *lm = &l2learn_main; |
Damjan Marion | d171d48 | 2016-12-05 14:16:38 +0100 | [diff] [blame] | 1143 | bool enabled = 0; |
John Lo | 8d00fff | 2017-08-03 00:35:36 -0400 | [diff] [blame] | 1144 | f64 start_time, next_age_scan_time = TIME_MAX; |
Damjan Marion | d171d48 | 2016-12-05 14:16:38 +0100 | [diff] [blame] | 1145 | |
| 1146 | while (1) |
| 1147 | { |
Eyal Bari | 24db0ec | 2017-09-27 21:43:51 +0300 | [diff] [blame^] | 1148 | if (lm->client_pid) |
| 1149 | vlib_process_wait_for_event_or_clock (vm, fm->event_scan_delay); |
| 1150 | else if (enabled) |
John Lo | 8d00fff | 2017-08-03 00:35:36 -0400 | [diff] [blame] | 1151 | { |
Eyal Bari | 24db0ec | 2017-09-27 21:43:51 +0300 | [diff] [blame^] | 1152 | f64 t = next_age_scan_time - vlib_time_now (vm); |
| 1153 | vlib_process_wait_for_event_or_clock (vm, t); |
John Lo | 8d00fff | 2017-08-03 00:35:36 -0400 | [diff] [blame] | 1154 | } |
Damjan Marion | d171d48 | 2016-12-05 14:16:38 +0100 | [diff] [blame] | 1155 | else |
| 1156 | vlib_process_wait_for_event (vm); |
| 1157 | |
| 1158 | event_type = vlib_process_get_events (vm, &event_data); |
| 1159 | vec_reset_length (event_data); |
| 1160 | |
John Lo | 8d00fff | 2017-08-03 00:35:36 -0400 | [diff] [blame] | 1161 | start_time = vlib_time_now (vm); |
Eyal Bari | 24db0ec | 2017-09-27 21:43:51 +0300 | [diff] [blame^] | 1162 | enum |
| 1163 | { SCAN_MAC_AGE, SCAN_MAC_EVENT, SCAN_DISABLE } scan = SCAN_MAC_AGE; |
John Lo | 8d00fff | 2017-08-03 00:35:36 -0400 | [diff] [blame] | 1164 | |
Damjan Marion | d171d48 | 2016-12-05 14:16:38 +0100 | [diff] [blame] | 1165 | switch (event_type) |
| 1166 | { |
John Lo | 8d00fff | 2017-08-03 00:35:36 -0400 | [diff] [blame] | 1167 | case ~0: /* timer expired */ |
Eyal Bari | 24db0ec | 2017-09-27 21:43:51 +0300 | [diff] [blame^] | 1168 | if (lm->client_pid != 0 && start_time < next_age_scan_time) |
John Lo | 8d00fff | 2017-08-03 00:35:36 -0400 | [diff] [blame] | 1169 | scan = SCAN_MAC_EVENT; |
Damjan Marion | d171d48 | 2016-12-05 14:16:38 +0100 | [diff] [blame] | 1170 | break; |
John Lo | 8d00fff | 2017-08-03 00:35:36 -0400 | [diff] [blame] | 1171 | |
Damjan Marion | d171d48 | 2016-12-05 14:16:38 +0100 | [diff] [blame] | 1172 | case L2_MAC_AGE_PROCESS_EVENT_START: |
| 1173 | enabled = 1; |
| 1174 | break; |
John Lo | 8d00fff | 2017-08-03 00:35:36 -0400 | [diff] [blame] | 1175 | |
Damjan Marion | d171d48 | 2016-12-05 14:16:38 +0100 | [diff] [blame] | 1176 | case L2_MAC_AGE_PROCESS_EVENT_STOP: |
| 1177 | enabled = 0; |
Eyal Bari | 24db0ec | 2017-09-27 21:43:51 +0300 | [diff] [blame^] | 1178 | scan = SCAN_DISABLE; |
| 1179 | break; |
John Lo | 8d00fff | 2017-08-03 00:35:36 -0400 | [diff] [blame] | 1180 | |
John Lo | da1f2c7 | 2017-03-24 20:11:15 -0400 | [diff] [blame] | 1181 | case L2_MAC_AGE_PROCESS_EVENT_ONE_PASS: |
John Lo | da1f2c7 | 2017-03-24 20:11:15 -0400 | [diff] [blame] | 1182 | break; |
John Lo | 8d00fff | 2017-08-03 00:35:36 -0400 | [diff] [blame] | 1183 | |
Damjan Marion | d171d48 | 2016-12-05 14:16:38 +0100 | [diff] [blame] | 1184 | default: |
| 1185 | ASSERT (0); |
| 1186 | } |
Eyal Bari | 7537e71 | 2017-04-27 14:07:55 +0300 | [diff] [blame] | 1187 | |
John Lo | 8d00fff | 2017-08-03 00:35:36 -0400 | [diff] [blame] | 1188 | if (scan == SCAN_MAC_EVENT) |
| 1189 | l2fib_main.evt_scan_duration = l2fib_scan (vm, start_time, 1); |
| 1190 | else |
Eyal Bari | 24db0ec | 2017-09-27 21:43:51 +0300 | [diff] [blame^] | 1191 | { |
| 1192 | if (scan == SCAN_MAC_AGE) |
| 1193 | l2fib_main.age_scan_duration = l2fib_scan (vm, start_time, 0); |
| 1194 | if (scan == SCAN_DISABLE) |
| 1195 | { |
| 1196 | l2fib_main.age_scan_duration = 0; |
| 1197 | l2fib_main.evt_scan_duration = 0; |
| 1198 | } |
| 1199 | /* schedule next scan */ |
| 1200 | if (enabled) |
| 1201 | next_age_scan_time = start_time + L2FIB_AGE_SCAN_INTERVAL; |
| 1202 | else |
| 1203 | next_age_scan_time = TIME_MAX; |
| 1204 | } |
Damjan Marion | d171d48 | 2016-12-05 14:16:38 +0100 | [diff] [blame] | 1205 | } |
| 1206 | return 0; |
| 1207 | } |
| 1208 | |
| 1209 | /* *INDENT-OFF* */ |
| 1210 | VLIB_REGISTER_NODE (l2fib_mac_age_scanner_process_node) = { |
| 1211 | .function = l2fib_mac_age_scanner_process, |
| 1212 | .type = VLIB_NODE_TYPE_PROCESS, |
| 1213 | .name = "l2fib-mac-age-scanner-process", |
| 1214 | }; |
| 1215 | /* *INDENT-ON* */ |
| 1216 | |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 1217 | clib_error_t * |
| 1218 | l2fib_init (vlib_main_t * vm) |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 1219 | { |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 1220 | l2fib_main_t *mp = &l2fib_main; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 1221 | l2fib_entry_key_t test_key; |
| 1222 | u8 test_mac[6]; |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 1223 | |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 1224 | mp->vlib_main = vm; |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 1225 | mp->vnet_main = vnet_get_main (); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 1226 | |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 1227 | /* Create the hash table */ |
| 1228 | BV (clib_bihash_init) (&mp->mac_table, "l2fib mac table", |
| 1229 | L2FIB_NUM_BUCKETS, L2FIB_MEMORY_SIZE); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 1230 | |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 1231 | /* verify the key constructor is good, since it is endian-sensitive */ |
| 1232 | memset (test_mac, 0, sizeof (test_mac)); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 1233 | test_mac[0] = 0x11; |
| 1234 | test_key.raw = 0; |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 1235 | test_key.raw = l2fib_make_key ((u8 *) & test_mac, 0x1234); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 1236 | ASSERT (test_key.fields.mac[0] == 0x11); |
| 1237 | ASSERT (test_key.fields.bd_index == 0x1234); |
| 1238 | |
| 1239 | return 0; |
| 1240 | } |
| 1241 | |
| 1242 | VLIB_INIT_FUNCTION (l2fib_init); |
| 1243 | |
Dave Barach | 97d8dc2 | 2016-08-15 15:31:15 -0400 | [diff] [blame] | 1244 | /* |
| 1245 | * fd.io coding-style-patch-verification: ON |
| 1246 | * |
| 1247 | * Local Variables: |
| 1248 | * eval: (c-set-style "gnu") |
| 1249 | * End: |
| 1250 | */ |