Stephen Hemminger | a5494df | 2012-09-24 12:48:29 -0700 | [diff] [blame] | 1 | /* |
| 2 | * iplink_vxlan.c VXLAN device support |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or |
| 5 | * modify it under the terms of the GNU General Public License |
| 6 | * as published by the Free Software Foundation; either version |
| 7 | * 2 of the License, or (at your option) any later version. |
| 8 | * |
| 9 | * Authors: Stephen Hemminger <shemminger@vyatta.com |
| 10 | */ |
| 11 | |
| 12 | #include <stdio.h> |
| 13 | #include <stdlib.h> |
| 14 | #include <string.h> |
| 15 | #include <net/if.h> |
| 16 | #include <linux/ip.h> |
| 17 | #include <linux/if_link.h> |
| 18 | #include <arpa/inet.h> |
| 19 | |
| 20 | #include "rt_names.h" |
| 21 | #include "utils.h" |
| 22 | #include "ip_common.h" |
| 23 | |
vadimk | 561e650 | 2014-09-30 08:17:31 +0300 | [diff] [blame] | 24 | static void print_explain(FILE *f) |
| 25 | { |
| 26 | fprintf(f, "Usage: ... vxlan id VNI [ { group | remote } ADDR ] [ local ADDR ]\n"); |
| 27 | fprintf(f, " [ ttl TTL ] [ tos TOS ] [ dev PHYS_DEV ]\n"); |
| 28 | fprintf(f, " [ dstport PORT ] [ srcport MIN MAX ]\n"); |
| 29 | fprintf(f, " [ [no]learning ] [ [no]proxy ] [ [no]rsc ]\n"); |
| 30 | fprintf(f, " [ [no]l2miss ] [ [no]l3miss ]\n"); |
| 31 | fprintf(f, " [ ageing SECONDS ] [ maxaddress NUMBER ]\n"); |
Tom Herbert | 666cdc5 | 2014-11-07 08:05:34 -0800 | [diff] [blame] | 32 | fprintf(f, " [ [no]udpcsum ] [ [no]udp6zerocsumtx ] [ [no]udp6zerocsumrx ]\n"); |
Tom Herbert | 35f59d8 | 2015-11-27 10:23:43 -0800 | [diff] [blame] | 33 | fprintf(f, " [ [no]remcsumtx ] [ [no]remcsumrx ]\n"); |
Paolo Abeni | e79c327 | 2015-12-18 10:50:36 +0100 | [diff] [blame] | 34 | fprintf(f, " [ [no]external ] [ gbp ]\n"); |
vadimk | 561e650 | 2014-09-30 08:17:31 +0300 | [diff] [blame] | 35 | fprintf(f, "\n"); |
| 36 | fprintf(f, "Where: VNI := 0-16777215\n"); |
| 37 | fprintf(f, " ADDR := { IP_ADDRESS | any }\n"); |
| 38 | fprintf(f, " TOS := { NUMBER | inherit }\n"); |
| 39 | fprintf(f, " TTL := { 1..255 | inherit }\n"); |
| 40 | } |
| 41 | |
Stephen Hemminger | a5494df | 2012-09-24 12:48:29 -0700 | [diff] [blame] | 42 | static void explain(void) |
| 43 | { |
vadimk | 561e650 | 2014-09-30 08:17:31 +0300 | [diff] [blame] | 44 | print_explain(stderr); |
Stephen Hemminger | a5494df | 2012-09-24 12:48:29 -0700 | [diff] [blame] | 45 | } |
| 46 | |
| 47 | static int vxlan_parse_opt(struct link_util *lu, int argc, char **argv, |
| 48 | struct nlmsghdr *n) |
| 49 | { |
| 50 | __u32 vni = 0; |
| 51 | int vni_set = 0; |
| 52 | __u32 saddr = 0; |
| 53 | __u32 gaddr = 0; |
Atzm Watanabe | 7cfa380 | 2013-07-24 14:01:01 +0900 | [diff] [blame] | 54 | __u32 daddr = 0; |
WANG Cong | aa574cd | 2013-10-16 22:03:48 -0700 | [diff] [blame] | 55 | struct in6_addr saddr6 = IN6ADDR_ANY_INIT; |
| 56 | struct in6_addr gaddr6 = IN6ADDR_ANY_INIT; |
| 57 | struct in6_addr daddr6 = IN6ADDR_ANY_INIT; |
Stephen Hemminger | a5494df | 2012-09-24 12:48:29 -0700 | [diff] [blame] | 58 | unsigned link = 0; |
| 59 | __u8 tos = 0; |
| 60 | __u8 ttl = 0; |
| 61 | __u8 learning = 1; |
David L Stevens | 1556e29 | 2012-12-12 10:02:19 -0800 | [diff] [blame] | 62 | __u8 proxy = 0; |
| 63 | __u8 rsc = 0; |
| 64 | __u8 l2miss = 0; |
| 65 | __u8 l3miss = 0; |
Stephen Hemminger | a5494df | 2012-09-24 12:48:29 -0700 | [diff] [blame] | 66 | __u8 noage = 0; |
| 67 | __u32 age = 0; |
| 68 | __u32 maxaddr = 0; |
Stephen Hemminger | 514cdfb | 2014-01-10 15:17:06 -0800 | [diff] [blame] | 69 | __u16 dstport = 0; |
Tom Herbert | 666cdc5 | 2014-11-07 08:05:34 -0800 | [diff] [blame] | 70 | __u8 udpcsum = 0; |
| 71 | __u8 udp6zerocsumtx = 0; |
| 72 | __u8 udp6zerocsumrx = 0; |
Tom Herbert | 35f59d8 | 2015-11-27 10:23:43 -0800 | [diff] [blame] | 73 | __u8 remcsumtx = 0; |
| 74 | __u8 remcsumrx = 0; |
Paolo Abeni | e79c327 | 2015-12-18 10:50:36 +0100 | [diff] [blame] | 75 | __u8 metadata = 0; |
Thomas Graf | 2eb90dc | 2015-01-15 14:54:25 +0100 | [diff] [blame] | 76 | __u8 gbp = 0; |
Stephen Hemminger | 514cdfb | 2014-01-10 15:17:06 -0800 | [diff] [blame] | 77 | int dst_port_set = 0; |
Stephen Hemminger | 2d59612 | 2012-10-09 23:39:17 -0700 | [diff] [blame] | 78 | struct ifla_vxlan_port_range range = { 0, 0 }; |
Stephen Hemminger | a5494df | 2012-09-24 12:48:29 -0700 | [diff] [blame] | 79 | |
| 80 | while (argc > 0) { |
| 81 | if (!matches(*argv, "id") || |
| 82 | !matches(*argv, "vni")) { |
| 83 | NEXT_ARG(); |
| 84 | if (get_u32(&vni, *argv, 0) || |
| 85 | vni >= 1u << 24) |
| 86 | invarg("invalid id", *argv); |
| 87 | vni_set = 1; |
| 88 | } else if (!matches(*argv, "group")) { |
| 89 | NEXT_ARG(); |
WANG Cong | aa574cd | 2013-10-16 22:03:48 -0700 | [diff] [blame] | 90 | if (!inet_get_addr(*argv, &gaddr, &gaddr6)) { |
| 91 | fprintf(stderr, "Invalid address \"%s\"\n", *argv); |
| 92 | return -1; |
| 93 | } |
| 94 | if (!IN6_IS_ADDR_MULTICAST(&gaddr6) && !IN_MULTICAST(ntohl(gaddr))) |
Atzm Watanabe | 7cfa380 | 2013-07-24 14:01:01 +0900 | [diff] [blame] | 95 | invarg("invalid group address", *argv); |
| 96 | } else if (!matches(*argv, "remote")) { |
| 97 | NEXT_ARG(); |
WANG Cong | aa574cd | 2013-10-16 22:03:48 -0700 | [diff] [blame] | 98 | if (!inet_get_addr(*argv, &daddr, &daddr6)) { |
| 99 | fprintf(stderr, "Invalid address \"%s\"\n", *argv); |
| 100 | return -1; |
| 101 | } |
| 102 | if (IN6_IS_ADDR_MULTICAST(&daddr6) || IN_MULTICAST(ntohl(daddr))) |
Atzm Watanabe | 7cfa380 | 2013-07-24 14:01:01 +0900 | [diff] [blame] | 103 | invarg("invalid remote address", *argv); |
Stephen Hemminger | a5494df | 2012-09-24 12:48:29 -0700 | [diff] [blame] | 104 | } else if (!matches(*argv, "local")) { |
| 105 | NEXT_ARG(); |
WANG Cong | aa574cd | 2013-10-16 22:03:48 -0700 | [diff] [blame] | 106 | if (strcmp(*argv, "any")) { |
| 107 | if (!inet_get_addr(*argv, &saddr, &saddr6)) { |
| 108 | fprintf(stderr, "Invalid address \"%s\"\n", *argv); |
| 109 | return -1; |
| 110 | } |
| 111 | } |
| 112 | |
| 113 | if (IN_MULTICAST(ntohl(saddr)) || IN6_IS_ADDR_MULTICAST(&saddr6)) |
Stephen Hemminger | a5494df | 2012-09-24 12:48:29 -0700 | [diff] [blame] | 114 | invarg("invalid local address", *argv); |
| 115 | } else if (!matches(*argv, "dev")) { |
| 116 | NEXT_ARG(); |
| 117 | link = if_nametoindex(*argv); |
Cong Wang | 0cb6bb5 | 2014-06-03 16:06:45 -0700 | [diff] [blame] | 118 | if (link == 0) { |
| 119 | fprintf(stderr, "Cannot find device \"%s\"\n", |
| 120 | *argv); |
Stephen Hemminger | a5494df | 2012-09-24 12:48:29 -0700 | [diff] [blame] | 121 | exit(-1); |
Cong Wang | 0cb6bb5 | 2014-06-03 16:06:45 -0700 | [diff] [blame] | 122 | } |
Stephen Hemminger | a5494df | 2012-09-24 12:48:29 -0700 | [diff] [blame] | 123 | } else if (!matches(*argv, "ttl") || |
| 124 | !matches(*argv, "hoplimit")) { |
| 125 | unsigned uval; |
| 126 | |
| 127 | NEXT_ARG(); |
| 128 | if (strcmp(*argv, "inherit") != 0) { |
| 129 | if (get_unsigned(&uval, *argv, 0)) |
Stephen Hemminger | 2d59612 | 2012-10-09 23:39:17 -0700 | [diff] [blame] | 130 | invarg("invalid TTL", *argv); |
Stephen Hemminger | a5494df | 2012-09-24 12:48:29 -0700 | [diff] [blame] | 131 | if (uval > 255) |
Stephen Hemminger | 2d59612 | 2012-10-09 23:39:17 -0700 | [diff] [blame] | 132 | invarg("TTL must be <= 255", *argv); |
Stephen Hemminger | a5494df | 2012-09-24 12:48:29 -0700 | [diff] [blame] | 133 | ttl = uval; |
| 134 | } |
| 135 | } else if (!matches(*argv, "tos") || |
| 136 | !matches(*argv, "dsfield")) { |
| 137 | __u32 uval; |
| 138 | |
| 139 | NEXT_ARG(); |
| 140 | if (strcmp(*argv, "inherit") != 0) { |
| 141 | if (rtnl_dsfield_a2n(&uval, *argv)) |
| 142 | invarg("bad TOS value", *argv); |
| 143 | tos = uval; |
| 144 | } else |
| 145 | tos = 1; |
| 146 | } else if (!matches(*argv, "ageing")) { |
| 147 | NEXT_ARG(); |
| 148 | if (strcmp(*argv, "none") == 0) |
| 149 | noage = 1; |
| 150 | else if (get_u32(&age, *argv, 0)) |
Stephen Hemminger | 2d59612 | 2012-10-09 23:39:17 -0700 | [diff] [blame] | 151 | invarg("ageing timer", *argv); |
Stephen Hemminger | a5494df | 2012-09-24 12:48:29 -0700 | [diff] [blame] | 152 | } else if (!matches(*argv, "maxaddress")) { |
| 153 | NEXT_ARG(); |
| 154 | if (strcmp(*argv, "unlimited") == 0) |
| 155 | maxaddr = 0; |
| 156 | else if (get_u32(&maxaddr, *argv, 0)) |
Stephen Hemminger | 2d59612 | 2012-10-09 23:39:17 -0700 | [diff] [blame] | 157 | invarg("max addresses", *argv); |
Stephen Hemminger | 514cdfb | 2014-01-10 15:17:06 -0800 | [diff] [blame] | 158 | } else if (!matches(*argv, "port") || |
| 159 | !matches(*argv, "srcport")) { |
Stephen Hemminger | 2d59612 | 2012-10-09 23:39:17 -0700 | [diff] [blame] | 160 | __u16 minport, maxport; |
| 161 | NEXT_ARG(); |
| 162 | if (get_u16(&minport, *argv, 0)) |
| 163 | invarg("min port", *argv); |
| 164 | NEXT_ARG(); |
| 165 | if (get_u16(&maxport, *argv, 0)) |
| 166 | invarg("max port", *argv); |
| 167 | range.low = htons(minport); |
| 168 | range.high = htons(maxport); |
Stephen Hemminger | 514cdfb | 2014-01-10 15:17:06 -0800 | [diff] [blame] | 169 | } else if (!matches(*argv, "dstport")){ |
| 170 | NEXT_ARG(); |
| 171 | if (get_u16(&dstport, *argv, 0)) |
| 172 | invarg("dst port", *argv); |
| 173 | dst_port_set = 1; |
Stephen Hemminger | a5494df | 2012-09-24 12:48:29 -0700 | [diff] [blame] | 174 | } else if (!matches(*argv, "nolearning")) { |
| 175 | learning = 0; |
| 176 | } else if (!matches(*argv, "learning")) { |
| 177 | learning = 1; |
David L Stevens | 1556e29 | 2012-12-12 10:02:19 -0800 | [diff] [blame] | 178 | } else if (!matches(*argv, "noproxy")) { |
| 179 | proxy = 0; |
| 180 | } else if (!matches(*argv, "proxy")) { |
| 181 | proxy = 1; |
| 182 | } else if (!matches(*argv, "norsc")) { |
| 183 | rsc = 0; |
| 184 | } else if (!matches(*argv, "rsc")) { |
| 185 | rsc = 1; |
| 186 | } else if (!matches(*argv, "nol2miss")) { |
| 187 | l2miss = 0; |
| 188 | } else if (!matches(*argv, "l2miss")) { |
| 189 | l2miss = 1; |
| 190 | } else if (!matches(*argv, "nol3miss")) { |
| 191 | l3miss = 0; |
| 192 | } else if (!matches(*argv, "l3miss")) { |
| 193 | l3miss = 1; |
Tom Herbert | 666cdc5 | 2014-11-07 08:05:34 -0800 | [diff] [blame] | 194 | } else if (!matches(*argv, "udpcsum")) { |
| 195 | udpcsum = 1; |
| 196 | } else if (!matches(*argv, "noudpcsum")) { |
| 197 | udpcsum = 0; |
| 198 | } else if (!matches(*argv, "udp6zerocsumtx")) { |
| 199 | udp6zerocsumtx = 1; |
| 200 | } else if (!matches(*argv, "noudp6zerocsumtx")) { |
| 201 | udp6zerocsumtx = 0; |
| 202 | } else if (!matches(*argv, "udp6zerocsumrx")) { |
| 203 | udp6zerocsumrx = 1; |
| 204 | } else if (!matches(*argv, "noudp6zerocsumrx")) { |
| 205 | udp6zerocsumrx = 0; |
Tom Herbert | 35f59d8 | 2015-11-27 10:23:43 -0800 | [diff] [blame] | 206 | } else if (!matches(*argv, "remcsumtx")) { |
| 207 | remcsumtx = 1; |
| 208 | } else if (!matches(*argv, "noremcsumtx")) { |
| 209 | remcsumtx = 0; |
| 210 | } else if (!matches(*argv, "remcsumrx")) { |
| 211 | remcsumrx = 1; |
| 212 | } else if (!matches(*argv, "noremcsumrx")) { |
| 213 | remcsumrx = 0; |
Paolo Abeni | e79c327 | 2015-12-18 10:50:36 +0100 | [diff] [blame] | 214 | } else if (!matches(*argv, "external")) { |
| 215 | metadata = 1; |
| 216 | } else if (!matches(*argv, "noexternal")) { |
| 217 | metadata = 0; |
Thomas Graf | 2eb90dc | 2015-01-15 14:54:25 +0100 | [diff] [blame] | 218 | } else if (!matches(*argv, "gbp")) { |
| 219 | gbp = 1; |
Stephen Hemminger | a5494df | 2012-09-24 12:48:29 -0700 | [diff] [blame] | 220 | } else if (matches(*argv, "help") == 0) { |
| 221 | explain(); |
| 222 | return -1; |
| 223 | } else { |
Kees van Reeuwijk | 14645ec | 2013-02-08 03:32:36 +0000 | [diff] [blame] | 224 | fprintf(stderr, "vxlan: unknown command \"%s\"?\n", *argv); |
Stephen Hemminger | a5494df | 2012-09-24 12:48:29 -0700 | [diff] [blame] | 225 | explain(); |
| 226 | return -1; |
| 227 | } |
| 228 | argc--, argv++; |
| 229 | } |
Stephen Hemminger | 2a126a8 | 2013-05-15 13:41:49 -0700 | [diff] [blame] | 230 | |
Paolo Abeni | e79c327 | 2015-12-18 10:50:36 +0100 | [diff] [blame] | 231 | if (metadata && vni_set) { |
| 232 | fprintf(stderr, "vxlan: both 'external' and vni cannot be specified\n"); |
| 233 | return -1; |
| 234 | } |
| 235 | |
| 236 | if (!metadata && !vni_set) { |
Stephen Hemminger | a5494df | 2012-09-24 12:48:29 -0700 | [diff] [blame] | 237 | fprintf(stderr, "vxlan: missing virtual network identifier\n"); |
| 238 | return -1; |
| 239 | } |
Stephen Hemminger | 514cdfb | 2014-01-10 15:17:06 -0800 | [diff] [blame] | 240 | |
WANG Cong | aa574cd | 2013-10-16 22:03:48 -0700 | [diff] [blame] | 241 | if ((gaddr && daddr) || |
| 242 | (memcmp(&gaddr6, &in6addr_any, sizeof(gaddr6)) && |
| 243 | memcmp(&daddr6, &in6addr_any, sizeof(daddr6)))) { |
Atzm Watanabe | 7cfa380 | 2013-07-24 14:01:01 +0900 | [diff] [blame] | 244 | fprintf(stderr, "vxlan: both group and remote cannot be specified\n"); |
| 245 | return -1; |
| 246 | } |
Stephen Hemminger | 514cdfb | 2014-01-10 15:17:06 -0800 | [diff] [blame] | 247 | |
| 248 | if (!dst_port_set) { |
| 249 | fprintf(stderr, "vxlan: destination port not specified\n" |
| 250 | "Will use Linux kernel default (non-standard value)\n"); |
Stephen Hemminger | 0612519 | 2014-02-17 10:55:31 -0800 | [diff] [blame] | 251 | fprintf(stderr, |
Stephen Hemminger | 514cdfb | 2014-01-10 15:17:06 -0800 | [diff] [blame] | 252 | "Use 'dstport 4789' to get the IANA assigned value\n" |
| 253 | "Use 'dstport 0' to get default and quiet this message\n"); |
| 254 | } |
| 255 | |
Stephen Hemminger | a5494df | 2012-09-24 12:48:29 -0700 | [diff] [blame] | 256 | addattr32(n, 1024, IFLA_VXLAN_ID, vni); |
Stephen Hemminger | b64da5a | 2012-10-19 13:25:17 -0700 | [diff] [blame] | 257 | if (gaddr) |
| 258 | addattr_l(n, 1024, IFLA_VXLAN_GROUP, &gaddr, 4); |
Atzm Watanabe | 7cfa380 | 2013-07-24 14:01:01 +0900 | [diff] [blame] | 259 | else if (daddr) |
| 260 | addattr_l(n, 1024, IFLA_VXLAN_GROUP, &daddr, 4); |
WANG Cong | aa574cd | 2013-10-16 22:03:48 -0700 | [diff] [blame] | 261 | if (memcmp(&gaddr6, &in6addr_any, sizeof(gaddr6)) != 0) |
| 262 | addattr_l(n, 1024, IFLA_VXLAN_GROUP6, &gaddr6, sizeof(struct in6_addr)); |
| 263 | else if (memcmp(&daddr6, &in6addr_any, sizeof(daddr6)) != 0) |
| 264 | addattr_l(n, 1024, IFLA_VXLAN_GROUP6, &daddr6, sizeof(struct in6_addr)); |
| 265 | |
Stephen Hemminger | b64da5a | 2012-10-19 13:25:17 -0700 | [diff] [blame] | 266 | if (saddr) |
| 267 | addattr_l(n, 1024, IFLA_VXLAN_LOCAL, &saddr, 4); |
WANG Cong | aa574cd | 2013-10-16 22:03:48 -0700 | [diff] [blame] | 268 | else if (memcmp(&saddr6, &in6addr_any, sizeof(saddr6)) != 0) |
| 269 | addattr_l(n, 1024, IFLA_VXLAN_LOCAL6, &saddr6, sizeof(struct in6_addr)); |
| 270 | |
Stephen Hemminger | a5494df | 2012-09-24 12:48:29 -0700 | [diff] [blame] | 271 | if (link) |
| 272 | addattr32(n, 1024, IFLA_VXLAN_LINK, link); |
| 273 | addattr8(n, 1024, IFLA_VXLAN_TTL, ttl); |
| 274 | addattr8(n, 1024, IFLA_VXLAN_TOS, tos); |
| 275 | addattr8(n, 1024, IFLA_VXLAN_LEARNING, learning); |
David L Stevens | 1556e29 | 2012-12-12 10:02:19 -0800 | [diff] [blame] | 276 | addattr8(n, 1024, IFLA_VXLAN_PROXY, proxy); |
| 277 | addattr8(n, 1024, IFLA_VXLAN_RSC, rsc); |
| 278 | addattr8(n, 1024, IFLA_VXLAN_L2MISS, l2miss); |
| 279 | addattr8(n, 1024, IFLA_VXLAN_L3MISS, l3miss); |
Tom Herbert | 666cdc5 | 2014-11-07 08:05:34 -0800 | [diff] [blame] | 280 | addattr8(n, 1024, IFLA_VXLAN_UDP_CSUM, udpcsum); |
| 281 | addattr8(n, 1024, IFLA_VXLAN_UDP_ZERO_CSUM6_TX, udp6zerocsumtx); |
| 282 | addattr8(n, 1024, IFLA_VXLAN_UDP_ZERO_CSUM6_RX, udp6zerocsumrx); |
Tom Herbert | 35f59d8 | 2015-11-27 10:23:43 -0800 | [diff] [blame] | 283 | addattr8(n, 1024, IFLA_VXLAN_REMCSUM_TX, remcsumtx); |
| 284 | addattr8(n, 1024, IFLA_VXLAN_REMCSUM_RX, remcsumrx); |
Paolo Abeni | e79c327 | 2015-12-18 10:50:36 +0100 | [diff] [blame] | 285 | addattr8(n, 1024, IFLA_VXLAN_COLLECT_METADATA, metadata); |
Stephen Hemminger | 514cdfb | 2014-01-10 15:17:06 -0800 | [diff] [blame] | 286 | |
Stephen Hemminger | a5494df | 2012-09-24 12:48:29 -0700 | [diff] [blame] | 287 | if (noage) |
| 288 | addattr32(n, 1024, IFLA_VXLAN_AGEING, 0); |
| 289 | else if (age) |
| 290 | addattr32(n, 1024, IFLA_VXLAN_AGEING, age); |
| 291 | if (maxaddr) |
| 292 | addattr32(n, 1024, IFLA_VXLAN_LIMIT, maxaddr); |
Stephen Hemminger | 2d59612 | 2012-10-09 23:39:17 -0700 | [diff] [blame] | 293 | if (range.low || range.high) |
| 294 | addattr_l(n, 1024, IFLA_VXLAN_PORT_RANGE, |
| 295 | &range, sizeof(range)); |
Stephen Hemminger | 514cdfb | 2014-01-10 15:17:06 -0800 | [diff] [blame] | 296 | if (dstport) |
| 297 | addattr16(n, 1024, IFLA_VXLAN_PORT, htons(dstport)); |
Stephen Hemminger | a5494df | 2012-09-24 12:48:29 -0700 | [diff] [blame] | 298 | |
Thomas Graf | 2eb90dc | 2015-01-15 14:54:25 +0100 | [diff] [blame] | 299 | if (gbp) |
| 300 | addattr_l(n, 1024, IFLA_VXLAN_GBP, NULL, 0); |
| 301 | |
| 302 | |
Stephen Hemminger | a5494df | 2012-09-24 12:48:29 -0700 | [diff] [blame] | 303 | return 0; |
| 304 | } |
| 305 | |
| 306 | static void vxlan_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[]) |
| 307 | { |
| 308 | __u32 vni; |
| 309 | unsigned link; |
Stephen Hemminger | 2d59612 | 2012-10-09 23:39:17 -0700 | [diff] [blame] | 310 | __u8 tos; |
| 311 | __u32 maxaddr; |
Stephen Hemminger | a5494df | 2012-09-24 12:48:29 -0700 | [diff] [blame] | 312 | char s1[1024]; |
| 313 | char s2[64]; |
| 314 | |
| 315 | if (!tb) |
| 316 | return; |
| 317 | |
| 318 | if (!tb[IFLA_VXLAN_ID] || |
| 319 | RTA_PAYLOAD(tb[IFLA_VXLAN_ID]) < sizeof(__u32)) |
| 320 | return; |
| 321 | |
| 322 | vni = rta_getattr_u32(tb[IFLA_VXLAN_ID]); |
| 323 | fprintf(f, "id %u ", vni); |
| 324 | |
| 325 | if (tb[IFLA_VXLAN_GROUP]) { |
Stephen Hemminger | b64da5a | 2012-10-19 13:25:17 -0700 | [diff] [blame] | 326 | __be32 addr = rta_getattr_u32(tb[IFLA_VXLAN_GROUP]); |
Atzm Watanabe | 7cfa380 | 2013-07-24 14:01:01 +0900 | [diff] [blame] | 327 | if (addr) { |
| 328 | if (IN_MULTICAST(ntohl(addr))) |
| 329 | fprintf(f, "group %s ", |
| 330 | format_host(AF_INET, 4, &addr, s1, sizeof(s1))); |
| 331 | else |
| 332 | fprintf(f, "remote %s ", |
| 333 | format_host(AF_INET, 4, &addr, s1, sizeof(s1))); |
| 334 | } |
WANG Cong | aa574cd | 2013-10-16 22:03:48 -0700 | [diff] [blame] | 335 | } else if (tb[IFLA_VXLAN_GROUP6]) { |
| 336 | struct in6_addr addr; |
| 337 | memcpy(&addr, RTA_DATA(tb[IFLA_VXLAN_GROUP6]), sizeof(struct in6_addr)); |
| 338 | if (memcmp(&addr, &in6addr_any, sizeof(addr)) != 0) { |
| 339 | if (IN6_IS_ADDR_MULTICAST(&addr)) |
| 340 | fprintf(f, "group %s ", |
| 341 | format_host(AF_INET6, sizeof(struct in6_addr), &addr, s1, sizeof(s1))); |
| 342 | else |
| 343 | fprintf(f, "remote %s ", |
| 344 | format_host(AF_INET6, sizeof(struct in6_addr), &addr, s1, sizeof(s1))); |
| 345 | } |
Stephen Hemminger | a5494df | 2012-09-24 12:48:29 -0700 | [diff] [blame] | 346 | } |
| 347 | |
| 348 | if (tb[IFLA_VXLAN_LOCAL]) { |
Stephen Hemminger | b64da5a | 2012-10-19 13:25:17 -0700 | [diff] [blame] | 349 | __be32 addr = rta_getattr_u32(tb[IFLA_VXLAN_LOCAL]); |
Stephen Hemminger | a5494df | 2012-09-24 12:48:29 -0700 | [diff] [blame] | 350 | if (addr) |
David L Stevens | 1556e29 | 2012-12-12 10:02:19 -0800 | [diff] [blame] | 351 | fprintf(f, "local %s ", |
Stephen Hemminger | a5494df | 2012-09-24 12:48:29 -0700 | [diff] [blame] | 352 | format_host(AF_INET, 4, &addr, s1, sizeof(s1))); |
WANG Cong | aa574cd | 2013-10-16 22:03:48 -0700 | [diff] [blame] | 353 | } else if (tb[IFLA_VXLAN_LOCAL6]) { |
| 354 | struct in6_addr addr; |
| 355 | memcpy(&addr, RTA_DATA(tb[IFLA_VXLAN_LOCAL6]), sizeof(struct in6_addr)); |
| 356 | if (memcmp(&addr, &in6addr_any, sizeof(addr)) != 0) |
| 357 | fprintf(f, "local %s ", |
| 358 | format_host(AF_INET6, sizeof(struct in6_addr), &addr, s1, sizeof(s1))); |
Stephen Hemminger | a5494df | 2012-09-24 12:48:29 -0700 | [diff] [blame] | 359 | } |
| 360 | |
| 361 | if (tb[IFLA_VXLAN_LINK] && |
| 362 | (link = rta_getattr_u32(tb[IFLA_VXLAN_LINK]))) { |
| 363 | const char *n = if_indextoname(link, s2); |
| 364 | |
| 365 | if (n) |
| 366 | fprintf(f, "dev %s ", n); |
| 367 | else |
| 368 | fprintf(f, "dev %u ", link); |
| 369 | } |
| 370 | |
Stephen Hemminger | 2d59612 | 2012-10-09 23:39:17 -0700 | [diff] [blame] | 371 | if (tb[IFLA_VXLAN_PORT_RANGE]) { |
| 372 | const struct ifla_vxlan_port_range *r |
| 373 | = RTA_DATA(tb[IFLA_VXLAN_PORT_RANGE]); |
Stephen Hemminger | 514cdfb | 2014-01-10 15:17:06 -0800 | [diff] [blame] | 374 | fprintf(f, "srcport %u %u ", ntohs(r->low), ntohs(r->high)); |
David L Stevens | 1556e29 | 2012-12-12 10:02:19 -0800 | [diff] [blame] | 375 | } |
Stephen Hemminger | 2d59612 | 2012-10-09 23:39:17 -0700 | [diff] [blame] | 376 | |
Stephen Hemminger | 514cdfb | 2014-01-10 15:17:06 -0800 | [diff] [blame] | 377 | if (tb[IFLA_VXLAN_PORT]) |
| 378 | fprintf(f, "dstport %u ", |
| 379 | ntohs(rta_getattr_u16(tb[IFLA_VXLAN_PORT]))); |
| 380 | |
Stephen Hemminger | a5494df | 2012-09-24 12:48:29 -0700 | [diff] [blame] | 381 | if (tb[IFLA_VXLAN_LEARNING] && |
| 382 | !rta_getattr_u8(tb[IFLA_VXLAN_LEARNING])) |
| 383 | fputs("nolearning ", f); |
David L Stevens | 1556e29 | 2012-12-12 10:02:19 -0800 | [diff] [blame] | 384 | |
| 385 | if (tb[IFLA_VXLAN_PROXY] && rta_getattr_u8(tb[IFLA_VXLAN_PROXY])) |
| 386 | fputs("proxy ", f); |
| 387 | |
| 388 | if (tb[IFLA_VXLAN_RSC] && rta_getattr_u8(tb[IFLA_VXLAN_RSC])) |
| 389 | fputs("rsc ", f); |
| 390 | |
| 391 | if (tb[IFLA_VXLAN_L2MISS] && rta_getattr_u8(tb[IFLA_VXLAN_L2MISS])) |
| 392 | fputs("l2miss ", f); |
| 393 | |
| 394 | if (tb[IFLA_VXLAN_L3MISS] && rta_getattr_u8(tb[IFLA_VXLAN_L3MISS])) |
| 395 | fputs("l3miss ", f); |
| 396 | |
Stephen Hemminger | 2d59612 | 2012-10-09 23:39:17 -0700 | [diff] [blame] | 397 | if (tb[IFLA_VXLAN_TOS] && |
| 398 | (tos = rta_getattr_u8(tb[IFLA_VXLAN_TOS]))) { |
Stephen Hemminger | a5494df | 2012-09-24 12:48:29 -0700 | [diff] [blame] | 399 | if (tos == 1) |
| 400 | fprintf(f, "tos inherit "); |
| 401 | else |
| 402 | fprintf(f, "tos %#x ", tos); |
| 403 | } |
| 404 | |
| 405 | if (tb[IFLA_VXLAN_TTL]) { |
| 406 | __u8 ttl = rta_getattr_u8(tb[IFLA_VXLAN_TTL]); |
| 407 | if (ttl) |
| 408 | fprintf(f, "ttl %d ", ttl); |
| 409 | } |
| 410 | |
| 411 | if (tb[IFLA_VXLAN_AGEING]) { |
| 412 | __u32 age = rta_getattr_u32(tb[IFLA_VXLAN_AGEING]); |
| 413 | if (age == 0) |
| 414 | fprintf(f, "ageing none "); |
| 415 | else |
| 416 | fprintf(f, "ageing %u ", age); |
| 417 | } |
Stephen Hemminger | 2d59612 | 2012-10-09 23:39:17 -0700 | [diff] [blame] | 418 | |
| 419 | if (tb[IFLA_VXLAN_LIMIT] && |
Nicolas Dichtel | 6ad5399 | 2014-09-09 16:55:11 +0200 | [diff] [blame] | 420 | ((maxaddr = rta_getattr_u32(tb[IFLA_VXLAN_LIMIT])) != 0)) |
Stephen Hemminger | 2d59612 | 2012-10-09 23:39:17 -0700 | [diff] [blame] | 421 | fprintf(f, "maxaddr %u ", maxaddr); |
Tom Herbert | 666cdc5 | 2014-11-07 08:05:34 -0800 | [diff] [blame] | 422 | |
| 423 | if (tb[IFLA_VXLAN_UDP_CSUM] && rta_getattr_u8(tb[IFLA_VXLAN_UDP_CSUM])) |
| 424 | fputs("udpcsum ", f); |
| 425 | |
| 426 | if (tb[IFLA_VXLAN_UDP_ZERO_CSUM6_TX] && |
| 427 | rta_getattr_u8(tb[IFLA_VXLAN_UDP_ZERO_CSUM6_TX])) |
| 428 | fputs("udp6zerocsumtx ", f); |
| 429 | |
| 430 | if (tb[IFLA_VXLAN_UDP_ZERO_CSUM6_RX] && |
| 431 | rta_getattr_u8(tb[IFLA_VXLAN_UDP_ZERO_CSUM6_RX])) |
| 432 | fputs("udp6zerocsumrx ", f); |
Thomas Graf | 2eb90dc | 2015-01-15 14:54:25 +0100 | [diff] [blame] | 433 | |
Tom Herbert | 35f59d8 | 2015-11-27 10:23:43 -0800 | [diff] [blame] | 434 | if (tb[IFLA_VXLAN_REMCSUM_TX] && |
| 435 | rta_getattr_u8(tb[IFLA_VXLAN_REMCSUM_TX])) |
| 436 | fputs("remcsumtx ", f); |
| 437 | |
| 438 | if (tb[IFLA_VXLAN_REMCSUM_RX] && |
| 439 | rta_getattr_u8(tb[IFLA_VXLAN_REMCSUM_RX])) |
| 440 | fputs("remcsumrx ", f); |
| 441 | |
Paolo Abeni | e79c327 | 2015-12-18 10:50:36 +0100 | [diff] [blame] | 442 | if (tb[IFLA_VXLAN_COLLECT_METADATA] && |
| 443 | rta_getattr_u8(tb[IFLA_VXLAN_COLLECT_METADATA])) |
| 444 | fputs("external ", f); |
| 445 | |
Thomas Graf | 2eb90dc | 2015-01-15 14:54:25 +0100 | [diff] [blame] | 446 | if (tb[IFLA_VXLAN_GBP]) |
| 447 | fputs("gbp ", f); |
Stephen Hemminger | a5494df | 2012-09-24 12:48:29 -0700 | [diff] [blame] | 448 | } |
| 449 | |
vadimk | 561e650 | 2014-09-30 08:17:31 +0300 | [diff] [blame] | 450 | static void vxlan_print_help(struct link_util *lu, int argc, char **argv, |
| 451 | FILE *f) |
| 452 | { |
| 453 | print_explain(f); |
| 454 | } |
| 455 | |
Stephen Hemminger | a5494df | 2012-09-24 12:48:29 -0700 | [diff] [blame] | 456 | struct link_util vxlan_link_util = { |
| 457 | .id = "vxlan", |
| 458 | .maxattr = IFLA_VXLAN_MAX, |
| 459 | .parse_opt = vxlan_parse_opt, |
| 460 | .print_opt = vxlan_print_opt, |
vadimk | 561e650 | 2014-09-30 08:17:31 +0300 | [diff] [blame] | 461 | .print_help = vxlan_print_help, |
Stephen Hemminger | a5494df | 2012-09-24 12:48:29 -0700 | [diff] [blame] | 462 | }; |