Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 1 | /* |
AkshayaNadahalli | ed4a2fd | 2016-08-09 13:38:04 +0530 | [diff] [blame] | 2 | * Copyright (c) 2016 Cisco and/or its affiliates. |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 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 | */ |
| 15 | /* |
| 16 | * ip/ip6.h: ip6 main include file |
| 17 | * |
| 18 | * Copyright (c) 2008 Eliot Dresselhaus |
| 19 | * |
| 20 | * Permission is hereby granted, free of charge, to any person obtaining |
| 21 | * a copy of this software and associated documentation files (the |
| 22 | * "Software"), to deal in the Software without restriction, including |
| 23 | * without limitation the rights to use, copy, modify, merge, publish, |
| 24 | * distribute, sublicense, and/or sell copies of the Software, and to |
| 25 | * permit persons to whom the Software is furnished to do so, subject to |
| 26 | * the following conditions: |
| 27 | * |
| 28 | * The above copyright notice and this permission notice shall be |
| 29 | * included in all copies or substantial portions of the Software. |
| 30 | * |
| 31 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 32 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 33 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| 34 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE |
| 35 | * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
| 36 | * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
| 37 | * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| 38 | */ |
| 39 | |
| 40 | #ifndef included_ip_ip6_h |
| 41 | #define included_ip_ip6_h |
| 42 | |
Neale Ranns | e403113 | 2020-10-26 13:00:06 +0000 | [diff] [blame^] | 43 | #include <stdbool.h> |
| 44 | |
John Lo | 1edfba9 | 2016-08-27 01:11:57 -0400 | [diff] [blame] | 45 | #include <vlib/buffer.h> |
Neale Ranns | e403113 | 2020-10-26 13:00:06 +0000 | [diff] [blame^] | 46 | |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 47 | #include <vnet/ip/ip6_packet.h> |
Neale Ranns | cbe25aa | 2019-09-30 10:53:31 +0000 | [diff] [blame] | 48 | #include <vnet/ip/ip46_address.h> |
Ole Troan | 944f548 | 2016-05-24 11:56:58 +0200 | [diff] [blame] | 49 | #include <vnet/ip/ip6_hop_by_hop_packet.h> |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 50 | #include <vnet/ip/lookup.h> |
Neale Ranns | 59f7113 | 2020-04-08 12:19:38 +0000 | [diff] [blame] | 51 | #include <vnet/ip/ip_interface.h> |
Neale Ranns | e403113 | 2020-10-26 13:00:06 +0000 | [diff] [blame^] | 52 | #include <vnet/ip/ip_flow_hash.h> |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 53 | |
Dave Barach | d7cb1b5 | 2016-12-09 09:52:16 -0500 | [diff] [blame] | 54 | typedef struct |
| 55 | { |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 56 | ip6_address_t addr; |
| 57 | u32 dst_address_length; |
| 58 | u32 vrf_index; |
| 59 | } ip6_fib_key_t; |
| 60 | |
Dave Barach | d7cb1b5 | 2016-12-09 09:52:16 -0500 | [diff] [blame] | 61 | typedef struct |
| 62 | { |
Dave Barach | eb987d3 | 2018-05-03 08:26:39 -0400 | [diff] [blame] | 63 | /* required for pool_get_aligned. */ |
| 64 | CLIB_CACHE_LINE_ALIGN_MARK (cacheline0); |
| 65 | |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 66 | /* Table ID (hash key) for this FIB. */ |
| 67 | u32 table_id; |
| 68 | |
| 69 | /* Index into FIB vector. */ |
| 70 | u32 index; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 71 | } ip6_fib_t; |
| 72 | |
Neale Ranns | 32e1c01 | 2016-11-22 17:07:28 +0000 | [diff] [blame] | 73 | typedef struct ip6_mfib_t |
| 74 | { |
Neale Ranns | ae80983 | 2018-11-23 09:00:27 -0800 | [diff] [blame] | 75 | /* required for pool_get_aligned. */ |
| 76 | CLIB_CACHE_LINE_ALIGN_MARK (cacheline0); |
| 77 | |
Neale Ranns | 32e1c01 | 2016-11-22 17:07:28 +0000 | [diff] [blame] | 78 | /* Table ID (hash key) for this FIB. */ |
| 79 | u32 table_id; |
| 80 | |
| 81 | /* Index into FIB vector. */ |
| 82 | u32 index; |
Neale Ranns | 32e1c01 | 2016-11-22 17:07:28 +0000 | [diff] [blame] | 83 | } ip6_mfib_t; |
| 84 | |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 85 | struct ip6_main_t; |
| 86 | |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 87 | typedef void (ip6_add_del_interface_address_function_t) |
| 88 | (struct ip6_main_t * im, |
| 89 | uword opaque, |
| 90 | u32 sw_if_index, |
| 91 | ip6_address_t * address, |
Dave Barach | d7cb1b5 | 2016-12-09 09:52:16 -0500 | [diff] [blame] | 92 | u32 address_length, u32 if_address_index, u32 is_del); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 93 | |
Dave Barach | d7cb1b5 | 2016-12-09 09:52:16 -0500 | [diff] [blame] | 94 | typedef struct |
| 95 | { |
| 96 | ip6_add_del_interface_address_function_t *function; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 97 | uword function_opaque; |
| 98 | } ip6_add_del_interface_address_callback_t; |
| 99 | |
Neale Ranns | 1500254 | 2017-09-10 04:39:11 -0700 | [diff] [blame] | 100 | typedef void (ip6_table_bind_function_t) |
| 101 | (struct ip6_main_t * im, |
| 102 | uword opaque, u32 sw_if_index, u32 new_fib_index, u32 old_fib_index); |
| 103 | |
| 104 | typedef struct |
| 105 | { |
| 106 | ip6_table_bind_function_t *function; |
| 107 | uword function_opaque; |
| 108 | } ip6_table_bind_callback_t; |
| 109 | |
Dave Barach | d7cb1b5 | 2016-12-09 09:52:16 -0500 | [diff] [blame] | 110 | typedef struct ip6_main_t |
| 111 | { |
Neale Ranns | 0bfe5d8 | 2016-08-25 15:29:12 +0100 | [diff] [blame] | 112 | ip_lookup_main_t lookup_main; |
Dave Barach | 75fc854 | 2016-10-11 16:16:02 -0400 | [diff] [blame] | 113 | |
Neale Ranns | 0bfe5d8 | 2016-08-25 15:29:12 +0100 | [diff] [blame] | 114 | /* Pool of FIBs. */ |
Dave Barach | d7cb1b5 | 2016-12-09 09:52:16 -0500 | [diff] [blame] | 115 | struct fib_table_t_ *fibs; |
Neale Ranns | 0bfe5d8 | 2016-08-25 15:29:12 +0100 | [diff] [blame] | 116 | |
Neale Ranns | a3af337 | 2017-03-28 03:49:52 -0700 | [diff] [blame] | 117 | /* Pool of V6 FIBs. */ |
| 118 | ip6_fib_t *v6_fibs; |
| 119 | |
Neale Ranns | 32e1c01 | 2016-11-22 17:07:28 +0000 | [diff] [blame] | 120 | /** Vector of MFIBs. */ |
| 121 | struct mfib_table_t_ *mfibs; |
| 122 | |
Neale Ranns | 0bfe5d8 | 2016-08-25 15:29:12 +0100 | [diff] [blame] | 123 | /* Network byte orders subnet mask for each prefix length */ |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 124 | ip6_address_t fib_masks[129]; |
| 125 | |
| 126 | /* Table index indexed by software interface. */ |
Dave Barach | d7cb1b5 | 2016-12-09 09:52:16 -0500 | [diff] [blame] | 127 | u32 *fib_index_by_sw_if_index; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 128 | |
Neale Ranns | 32e1c01 | 2016-11-22 17:07:28 +0000 | [diff] [blame] | 129 | /** Table index indexed by software interface. */ |
| 130 | u32 *mfib_index_by_sw_if_index; |
| 131 | |
Neale Ranns | 0bfe5d8 | 2016-08-25 15:29:12 +0100 | [diff] [blame] | 132 | /* IP6 enabled count by software interface */ |
Dave Barach | d7cb1b5 | 2016-12-09 09:52:16 -0500 | [diff] [blame] | 133 | u8 *ip_enabled_by_sw_if_index; |
Neale Ranns | 0bfe5d8 | 2016-08-25 15:29:12 +0100 | [diff] [blame] | 134 | |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 135 | /* Hash table mapping table id to fib index. |
| 136 | ID space is not necessarily dense; index space is dense. */ |
Dave Barach | d7cb1b5 | 2016-12-09 09:52:16 -0500 | [diff] [blame] | 137 | uword *fib_index_by_table_id; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 138 | |
Neale Ranns | 32e1c01 | 2016-11-22 17:07:28 +0000 | [diff] [blame] | 139 | /** Hash table mapping table id to multicast fib index. |
| 140 | ID space is not necessarily dense; index space is dense. */ |
| 141 | uword *mfib_index_by_table_id; |
| 142 | |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 143 | /* Hash table mapping interface rewrite adjacency index by sw if index. */ |
Dave Barach | d7cb1b5 | 2016-12-09 09:52:16 -0500 | [diff] [blame] | 144 | uword *interface_route_adj_index_by_sw_if_index; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 145 | |
| 146 | /* Functions to call when interface address changes. */ |
Dave Barach | d7cb1b5 | 2016-12-09 09:52:16 -0500 | [diff] [blame] | 147 | ip6_add_del_interface_address_callback_t |
| 148 | * add_del_interface_address_callbacks; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 149 | |
Neale Ranns | 1500254 | 2017-09-10 04:39:11 -0700 | [diff] [blame] | 150 | /** Functions to call when interface to table biding changes. */ |
| 151 | ip6_table_bind_callback_t *table_bind_callbacks; |
| 152 | |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 153 | /* Seed for Jenkins hash used to compute ip6 flow hash. */ |
| 154 | u32 flow_hash_seed; |
| 155 | |
Dave Barach | d7cb1b5 | 2016-12-09 09:52:16 -0500 | [diff] [blame] | 156 | struct |
| 157 | { |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 158 | /* TTL to use for host generated packets. */ |
| 159 | u8 ttl; |
| 160 | |
| 161 | u8 pad[3]; |
| 162 | } host_config; |
Ole Troan | 944f548 | 2016-05-24 11:56:58 +0200 | [diff] [blame] | 163 | |
| 164 | /* HBH processing enabled? */ |
| 165 | u8 hbh_enabled; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 166 | } ip6_main_t; |
| 167 | |
Dave Barach | 49433ad | 2018-08-08 17:59:03 -0400 | [diff] [blame] | 168 | #define ND_THROTTLE_BITS 512 |
| 169 | |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 170 | /* Global ip6 main structure. */ |
| 171 | extern ip6_main_t ip6_main; |
| 172 | |
| 173 | /* Global ip6 input node. Errors get attached to ip6 input node. */ |
| 174 | extern vlib_node_registration_t ip6_input_node; |
| 175 | extern vlib_node_registration_t ip6_rewrite_node; |
Neale Ranns | 32e1c01 | 2016-11-22 17:07:28 +0000 | [diff] [blame] | 176 | extern vlib_node_registration_t ip6_rewrite_mcast_node; |
Pierre Pfister | 0febaf1 | 2016-06-08 12:23:21 +0100 | [diff] [blame] | 177 | extern vlib_node_registration_t ip6_rewrite_local_node; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 178 | extern vlib_node_registration_t ip6_discover_neighbor_node; |
Neale Ranns | 0bfe5d8 | 2016-08-25 15:29:12 +0100 | [diff] [blame] | 179 | extern vlib_node_registration_t ip6_glean_node; |
| 180 | extern vlib_node_registration_t ip6_midchain_node; |
Jawahar Santosh Gundapaneni | 62ad2aa | 2020-03-19 16:42:28 -0400 | [diff] [blame] | 181 | extern vlib_node_registration_t ip6_punt_node; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 182 | |
Neale Ranns | d91c1db | 2017-07-31 02:30:50 -0700 | [diff] [blame] | 183 | extern void ip6_forward_next_trace (vlib_main_t * vm, |
| 184 | vlib_node_runtime_t * node, |
| 185 | vlib_frame_t * frame, |
| 186 | vlib_rx_or_tx_t which_adj_index); |
| 187 | |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 188 | always_inline uword |
Neale Ranns | 0bfe5d8 | 2016-08-25 15:29:12 +0100 | [diff] [blame] | 189 | ip6_destination_matches_route (const ip6_main_t * im, |
| 190 | const ip6_address_t * key, |
Dave Barach | d7cb1b5 | 2016-12-09 09:52:16 -0500 | [diff] [blame] | 191 | const ip6_address_t * dest, uword dest_length) |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 192 | { |
| 193 | int i; |
| 194 | for (i = 0; i < ARRAY_LEN (key->as_uword); i++) |
| 195 | { |
Dave Barach | d7cb1b5 | 2016-12-09 09:52:16 -0500 | [diff] [blame] | 196 | if ((key->as_uword[i] ^ dest->as_uword[i]) & im-> |
| 197 | fib_masks[dest_length].as_uword[i]) |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 198 | return 0; |
| 199 | } |
| 200 | return 1; |
| 201 | } |
| 202 | |
| 203 | always_inline uword |
| 204 | ip6_destination_matches_interface (ip6_main_t * im, |
| 205 | ip6_address_t * key, |
| 206 | ip_interface_address_t * ia) |
| 207 | { |
Dave Barach | d7cb1b5 | 2016-12-09 09:52:16 -0500 | [diff] [blame] | 208 | ip6_address_t *a = ip_interface_address_get_address (&im->lookup_main, ia); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 209 | return ip6_destination_matches_route (im, key, a, ia->address_length); |
| 210 | } |
| 211 | |
| 212 | /* As above but allows for unaligned destinations (e.g. works right from IP header of packet). */ |
| 213 | always_inline uword |
| 214 | ip6_unaligned_destination_matches_route (ip6_main_t * im, |
| 215 | ip6_address_t * key, |
| 216 | ip6_address_t * dest, |
| 217 | uword dest_length) |
| 218 | { |
| 219 | int i; |
| 220 | for (i = 0; i < ARRAY_LEN (key->as_uword); i++) |
| 221 | { |
Dave Barach | d7cb1b5 | 2016-12-09 09:52:16 -0500 | [diff] [blame] | 222 | if ((clib_mem_unaligned (&key->as_uword[i], uword) ^ dest->as_uword[i]) |
| 223 | & im->fib_masks[dest_length].as_uword[i]) |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 224 | return 0; |
| 225 | } |
| 226 | return 1; |
| 227 | } |
| 228 | |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 229 | /* Find interface address which matches destination. */ |
| 230 | always_inline ip6_address_t * |
Dave Barach | d7cb1b5 | 2016-12-09 09:52:16 -0500 | [diff] [blame] | 231 | ip6_interface_address_matching_destination (ip6_main_t * im, |
Neale Ranns | cbe25aa | 2019-09-30 10:53:31 +0000 | [diff] [blame] | 232 | const ip6_address_t * dst, |
Dave Barach | d7cb1b5 | 2016-12-09 09:52:16 -0500 | [diff] [blame] | 233 | u32 sw_if_index, |
| 234 | ip_interface_address_t ** |
| 235 | result_ia) |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 236 | { |
Dave Barach | d7cb1b5 | 2016-12-09 09:52:16 -0500 | [diff] [blame] | 237 | ip_lookup_main_t *lm = &im->lookup_main; |
| 238 | ip_interface_address_t *ia; |
| 239 | ip6_address_t *result = 0; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 240 | |
Dave Barach | d7cb1b5 | 2016-12-09 09:52:16 -0500 | [diff] [blame] | 241 | /* *INDENT-OFF* */ |
Dave Barach | 75fc854 | 2016-10-11 16:16:02 -0400 | [diff] [blame] | 242 | foreach_ip_interface_address (lm, ia, sw_if_index, |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 243 | 1 /* honor unnumbered */, |
| 244 | ({ |
| 245 | ip6_address_t * a = ip_interface_address_get_address (lm, ia); |
| 246 | if (ip6_destination_matches_route (im, dst, a, ia->address_length)) |
| 247 | { |
| 248 | result = a; |
| 249 | break; |
| 250 | } |
| 251 | })); |
Dave Barach | d7cb1b5 | 2016-12-09 09:52:16 -0500 | [diff] [blame] | 252 | /* *INDENT-ON* */ |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 253 | if (result_ia) |
| 254 | *result_ia = result ? ia : 0; |
| 255 | return result; |
| 256 | } |
| 257 | |
Dave Barach | d7cb1b5 | 2016-12-09 09:52:16 -0500 | [diff] [blame] | 258 | clib_error_t *ip6_add_del_interface_address (vlib_main_t * vm, |
| 259 | u32 sw_if_index, |
| 260 | ip6_address_t * address, |
| 261 | u32 address_length, u32 is_del); |
| 262 | void ip6_sw_interface_enable_disable (u32 sw_if_index, u32 is_enable); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 263 | |
Neale Ranns | 6cfc39c | 2017-02-14 01:44:25 -0800 | [diff] [blame] | 264 | /** |
Paul Vinciguerra | b5a575b | 2019-11-01 13:00:58 -0400 | [diff] [blame] | 265 | * @brief get first IPv6 interface address |
Neale Ranns | 6cfc39c | 2017-02-14 01:44:25 -0800 | [diff] [blame] | 266 | */ |
| 267 | ip6_address_t *ip6_interface_first_address (ip6_main_t * im, u32 sw_if_index); |
| 268 | |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 269 | int ip6_address_compare (ip6_address_t * a1, ip6_address_t * a2); |
| 270 | |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 271 | uword |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 272 | ip6_udp_register_listener (vlib_main_t * vm, |
Dave Barach | d7cb1b5 | 2016-12-09 09:52:16 -0500 | [diff] [blame] | 273 | u16 dst_port, u32 next_node_index); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 274 | |
Dave Barach | d7cb1b5 | 2016-12-09 09:52:16 -0500 | [diff] [blame] | 275 | u16 ip6_tcp_udp_icmp_compute_checksum (vlib_main_t * vm, vlib_buffer_t * p0, |
| 276 | ip6_header_t * ip0, |
| 277 | int *bogus_lengthp); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 278 | |
| 279 | void ip6_register_protocol (u32 protocol, u32 node_index); |
Neale Ranns | b538dd8 | 2019-05-21 06:54:54 -0700 | [diff] [blame] | 280 | void ip6_unregister_protocol (u32 protocol); |
Dave Barach | 9080096 | 2019-05-24 13:03:01 -0400 | [diff] [blame] | 281 | void ip6_local_hop_by_hop_register_protocol (u32 protocol, u32 node_index); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 282 | |
| 283 | serialize_function_t serialize_vnet_ip6_main, unserialize_vnet_ip6_main; |
| 284 | |
Neale Ranns | 0bfe5d8 | 2016-08-25 15:29:12 +0100 | [diff] [blame] | 285 | int vnet_set_ip6_flow_hash (u32 table_id, |
| 286 | flow_hash_config_t flow_hash_config); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 287 | |
John Lo | 2b81eb8 | 2017-01-30 13:12:10 -0500 | [diff] [blame] | 288 | u8 *format_ip6_forward_next_trace (u8 * s, va_list * args); |
| 289 | |
| 290 | u32 ip6_tcp_udp_icmp_validate_checksum (vlib_main_t * vm, vlib_buffer_t * p0); |
| 291 | |
Neale Ranns | d91c1db | 2017-07-31 02:30:50 -0700 | [diff] [blame] | 292 | void ip6_punt_policer_add_del (u8 is_add, u32 policer_index); |
| 293 | void ip6_punt_redirect_add (u32 rx_sw_if_index, |
| 294 | u32 tx_sw_if_index, ip46_address_t * nh); |
Neale Ranns | 9220775 | 2019-06-03 13:21:40 +0000 | [diff] [blame] | 295 | void ip6_punt_redirect_add_paths (u32 rx_sw_if_index, |
| 296 | fib_route_path_t * paths); |
Neale Ranns | d91c1db | 2017-07-31 02:30:50 -0700 | [diff] [blame] | 297 | void ip6_punt_redirect_del (u32 rx_sw_if_index); |
| 298 | |
Dave Barach | 75fc854 | 2016-10-11 16:16:02 -0400 | [diff] [blame] | 299 | int vnet_set_ip6_classify_intfc (vlib_main_t * vm, u32 sw_if_index, |
Dave Barach | d7cb1b5 | 2016-12-09 09:52:16 -0500 | [diff] [blame] | 300 | u32 table_index); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 301 | extern vlib_node_registration_t ip6_lookup_node; |
| 302 | |
Shwetha Bhandari | 78372a9 | 2017-01-18 12:43:54 +0530 | [diff] [blame] | 303 | u8 *format_ip6_hop_by_hop_ext_hdr (u8 * s, va_list * args); |
Ole Troan | 944f548 | 2016-05-24 11:56:58 +0200 | [diff] [blame] | 304 | /* |
| 305 | * Hop-by-Hop handling |
| 306 | */ |
Dave Barach | d7cb1b5 | 2016-12-09 09:52:16 -0500 | [diff] [blame] | 307 | typedef struct |
| 308 | { |
Ole Troan | 944f548 | 2016-05-24 11:56:58 +0200 | [diff] [blame] | 309 | /* Array of function pointers to HBH option handling routines */ |
Dave Barach | d7cb1b5 | 2016-12-09 09:52:16 -0500 | [diff] [blame] | 310 | int (*options[256]) (vlib_buffer_t * b, ip6_header_t * ip, |
| 311 | ip6_hop_by_hop_option_t * opt); |
| 312 | u8 *(*trace[256]) (u8 * s, ip6_hop_by_hop_option_t * opt); |
Shwetha | a91cbe6 | 2016-08-08 15:51:04 +0100 | [diff] [blame] | 313 | uword next_override; |
Ole Troan | 944f548 | 2016-05-24 11:56:58 +0200 | [diff] [blame] | 314 | } ip6_hop_by_hop_main_t; |
| 315 | |
| 316 | extern ip6_hop_by_hop_main_t ip6_hop_by_hop_main; |
| 317 | |
| 318 | int ip6_hbh_register_option (u8 option, |
Dave Barach | d7cb1b5 | 2016-12-09 09:52:16 -0500 | [diff] [blame] | 319 | int options (vlib_buffer_t * b, |
| 320 | ip6_header_t * ip, |
| 321 | ip6_hop_by_hop_option_t * opt), |
| 322 | u8 * trace (u8 * s, |
| 323 | ip6_hop_by_hop_option_t * opt)); |
Ole Troan | 944f548 | 2016-05-24 11:56:58 +0200 | [diff] [blame] | 324 | int ip6_hbh_unregister_option (u8 option); |
Shwetha | a91cbe6 | 2016-08-08 15:51:04 +0100 | [diff] [blame] | 325 | void ip6_hbh_set_next_override (uword next); |
Ole Troan | 944f548 | 2016-05-24 11:56:58 +0200 | [diff] [blame] | 326 | |
Nick Zavaritsky | 27518c2 | 2020-02-27 15:54:58 +0000 | [diff] [blame] | 327 | always_inline u32 |
| 328 | vlib_buffer_get_ip6_fib_index (vlib_buffer_t * b) |
| 329 | { |
| 330 | u32 fib_index, sw_if_index; |
| 331 | sw_if_index = vnet_buffer (b)->sw_if_index[VLIB_RX]; |
| 332 | fib_index = vnet_buffer (b)->sw_if_index[VLIB_TX]; |
| 333 | return (fib_index == (u32) ~ 0) ? |
| 334 | vec_elt (ip6_main.fib_index_by_sw_if_index, sw_if_index) : fib_index; |
| 335 | } |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 336 | #endif /* included_ip_ip6_h */ |
Dave Barach | d7cb1b5 | 2016-12-09 09:52:16 -0500 | [diff] [blame] | 337 | |
| 338 | /* |
| 339 | * fd.io coding-style-patch-verification: ON |
| 340 | * |
| 341 | * Local Variables: |
| 342 | * eval: (c-set-style "gnu") |
| 343 | * End: |
| 344 | */ |