634 lines
19 KiB
C
634 lines
19 KiB
C
/*
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* iplink_vxlan.c VXLAN device support
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*
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* Authors: Stephen Hemminger <shemminger@vyatta.com
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <net/if.h>
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#include <linux/ip.h>
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#include <linux/if_link.h>
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#include <arpa/inet.h>
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#include "rt_names.h"
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#include "utils.h"
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#include "ip_common.h"
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#define VXLAN_ATTRSET(attrs, type) (((attrs) & (1L << (type))) != 0)
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static void print_explain(FILE *f)
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{
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fprintf(f,
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"Usage: ... vxlan id VNI\n"
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" [ { group | remote } IP_ADDRESS ]\n"
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" [ local ADDR ]\n"
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" [ ttl TTL ]\n"
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" [ tos TOS ]\n"
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" [ flowlabel LABEL ]\n"
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" [ dev PHYS_DEV ]\n"
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" [ dstport PORT ]\n"
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" [ srcport MIN MAX ]\n"
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" [ [no]learning ]\n"
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" [ [no]proxy ]\n"
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" [ [no]rsc ]\n"
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" [ [no]l2miss ]\n"
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" [ [no]l3miss ]\n"
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" [ ageing SECONDS ]\n"
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" [ maxaddress NUMBER ]\n"
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" [ [no]udpcsum ]\n"
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" [ [no]udp6zerocsumtx ]\n"
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" [ [no]udp6zerocsumrx ]\n"
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" [ [no]remcsumtx ] [ [no]remcsumrx ]\n"
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" [ [no]external ] [ gbp ] [ gpe ]\n"
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"\n"
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"Where: VNI := 0-16777215\n"
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" ADDR := { IP_ADDRESS | any }\n"
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" TOS := { NUMBER | inherit }\n"
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" TTL := { 1..255 | inherit }\n"
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" LABEL := 0-1048575\n"
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);
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}
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static void explain(void)
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{
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print_explain(stderr);
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}
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static void check_duparg(__u64 *attrs, int type, const char *key,
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const char *argv)
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{
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if (!VXLAN_ATTRSET(*attrs, type)) {
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*attrs |= (1L << type);
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return;
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}
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duparg2(key, argv);
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}
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static int vxlan_parse_opt(struct link_util *lu, int argc, char **argv,
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struct nlmsghdr *n)
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{
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__u32 vni = 0;
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__u32 gaddr = 0;
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__u32 daddr = 0;
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struct in6_addr gaddr6 = IN6ADDR_ANY_INIT;
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struct in6_addr daddr6 = IN6ADDR_ANY_INIT;
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__u8 learning = 1;
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__u16 dstport = 0;
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__u8 metadata = 0;
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__u64 attrs = 0;
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bool set_op = (n->nlmsg_type == RTM_NEWLINK &&
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!(n->nlmsg_flags & NLM_F_CREATE));
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while (argc > 0) {
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if (!matches(*argv, "id") ||
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!matches(*argv, "vni")) {
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/* We will add ID attribute outside of the loop since we
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* need to consider metadata information as well.
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*/
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NEXT_ARG();
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check_duparg(&attrs, IFLA_VXLAN_ID, "id", *argv);
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if (get_u32(&vni, *argv, 0) ||
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vni >= 1u << 24)
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invarg("invalid id", *argv);
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} else if (!matches(*argv, "group")) {
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if (daddr || !IN6_IS_ADDR_UNSPECIFIED(&daddr6)) {
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fprintf(stderr, "vxlan: both group and remote");
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fprintf(stderr, " cannot be specified\n");
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return -1;
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}
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NEXT_ARG();
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check_duparg(&attrs, IFLA_VXLAN_GROUP, "group", *argv);
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if (!inet_get_addr(*argv, &gaddr, &gaddr6)) {
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fprintf(stderr, "Invalid address \"%s\"\n", *argv);
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return -1;
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}
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if (!IN6_IS_ADDR_MULTICAST(&gaddr6) && !IN_MULTICAST(ntohl(gaddr)))
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invarg("invalid group address", *argv);
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} else if (!matches(*argv, "remote")) {
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if (gaddr || !IN6_IS_ADDR_UNSPECIFIED(&gaddr6)) {
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fprintf(stderr, "vxlan: both group and remote");
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fprintf(stderr, " cannot be specified\n");
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return -1;
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}
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NEXT_ARG();
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check_duparg(&attrs, IFLA_VXLAN_GROUP, "remote", *argv);
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if (!inet_get_addr(*argv, &daddr, &daddr6)) {
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fprintf(stderr, "Invalid address \"%s\"\n", *argv);
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return -1;
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}
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if (IN6_IS_ADDR_MULTICAST(&daddr6) || IN_MULTICAST(ntohl(daddr)))
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invarg("invalid remote address", *argv);
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} else if (!matches(*argv, "local")) {
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__u32 saddr = 0;
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struct in6_addr saddr6 = IN6ADDR_ANY_INIT;
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NEXT_ARG();
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check_duparg(&attrs, IFLA_VXLAN_LOCAL, "local", *argv);
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if (strcmp(*argv, "any")) {
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if (!inet_get_addr(*argv, &saddr, &saddr6)) {
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fprintf(stderr, "Invalid address \"%s\"\n", *argv);
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return -1;
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}
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}
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if (IN_MULTICAST(ntohl(saddr)) || IN6_IS_ADDR_MULTICAST(&saddr6))
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invarg("invalid local address", *argv);
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if (saddr)
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addattr_l(n, 1024, IFLA_VXLAN_LOCAL, &saddr, 4);
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else if (!IN6_IS_ADDR_UNSPECIFIED(&saddr6))
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addattr_l(n, 1024, IFLA_VXLAN_LOCAL6, &saddr6,
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sizeof(struct in6_addr));
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} else if (!matches(*argv, "dev")) {
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unsigned int link;
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NEXT_ARG();
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check_duparg(&attrs, IFLA_VXLAN_LINK, "dev", *argv);
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link = if_nametoindex(*argv);
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if (link == 0) {
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fprintf(stderr, "Cannot find device \"%s\"\n",
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*argv);
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exit(-1);
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}
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addattr32(n, 1024, IFLA_VXLAN_LINK, link);
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} else if (!matches(*argv, "ttl") ||
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!matches(*argv, "hoplimit")) {
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unsigned int uval;
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__u8 ttl = 0;
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NEXT_ARG();
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check_duparg(&attrs, IFLA_VXLAN_TTL, "ttl", *argv);
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if (strcmp(*argv, "inherit") != 0) {
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if (get_unsigned(&uval, *argv, 0))
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invarg("invalid TTL", *argv);
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if (uval > 255)
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invarg("TTL must be <= 255", *argv);
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ttl = uval;
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}
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addattr8(n, 1024, IFLA_VXLAN_TTL, ttl);
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} else if (!matches(*argv, "tos") ||
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!matches(*argv, "dsfield")) {
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__u32 uval;
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__u8 tos;
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NEXT_ARG();
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check_duparg(&attrs, IFLA_VXLAN_TOS, "tos", *argv);
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if (strcmp(*argv, "inherit") != 0) {
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if (rtnl_dsfield_a2n(&uval, *argv))
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invarg("bad TOS value", *argv);
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tos = uval;
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} else
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tos = 1;
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addattr8(n, 1024, IFLA_VXLAN_TOS, tos);
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} else if (!matches(*argv, "label") ||
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!matches(*argv, "flowlabel")) {
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__u32 uval;
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NEXT_ARG();
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check_duparg(&attrs, IFLA_VXLAN_LABEL, "flowlabel",
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*argv);
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if (get_u32(&uval, *argv, 0) ||
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(uval & ~LABEL_MAX_MASK))
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invarg("invalid flowlabel", *argv);
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addattr32(n, 1024, IFLA_VXLAN_LABEL, htonl(uval));
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} else if (!matches(*argv, "ageing")) {
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__u32 age;
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NEXT_ARG();
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check_duparg(&attrs, IFLA_VXLAN_AGEING, "ageing",
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*argv);
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if (strcmp(*argv, "none") == 0)
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age = 0;
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else if (get_u32(&age, *argv, 0))
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invarg("ageing timer", *argv);
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addattr32(n, 1024, IFLA_VXLAN_AGEING, age);
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} else if (!matches(*argv, "maxaddress")) {
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__u32 maxaddr;
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NEXT_ARG();
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check_duparg(&attrs, IFLA_VXLAN_LIMIT,
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"maxaddress", *argv);
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if (strcmp(*argv, "unlimited") == 0)
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maxaddr = 0;
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else if (get_u32(&maxaddr, *argv, 0))
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invarg("max addresses", *argv);
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addattr32(n, 1024, IFLA_VXLAN_LIMIT, maxaddr);
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} else if (!matches(*argv, "port") ||
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!matches(*argv, "srcport")) {
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struct ifla_vxlan_port_range range = { 0, 0 };
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NEXT_ARG();
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check_duparg(&attrs, IFLA_VXLAN_PORT_RANGE, "srcport",
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*argv);
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if (get_be16(&range.low, *argv, 0))
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invarg("min port", *argv);
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NEXT_ARG();
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if (get_be16(&range.high, *argv, 0))
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invarg("max port", *argv);
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if (range.low || range.high) {
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addattr_l(n, 1024, IFLA_VXLAN_PORT_RANGE,
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&range, sizeof(range));
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}
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} else if (!matches(*argv, "dstport")) {
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NEXT_ARG();
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check_duparg(&attrs, IFLA_VXLAN_PORT, "dstport", *argv);
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if (get_u16(&dstport, *argv, 0))
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invarg("dst port", *argv);
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} else if (!matches(*argv, "nolearning")) {
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check_duparg(&attrs, IFLA_VXLAN_LEARNING, *argv, *argv);
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learning = 0;
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} else if (!matches(*argv, "learning")) {
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check_duparg(&attrs, IFLA_VXLAN_LEARNING, *argv, *argv);
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learning = 1;
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} else if (!matches(*argv, "noproxy")) {
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check_duparg(&attrs, IFLA_VXLAN_PROXY, *argv, *argv);
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addattr8(n, 1024, IFLA_VXLAN_PROXY, 0);
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} else if (!matches(*argv, "proxy")) {
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check_duparg(&attrs, IFLA_VXLAN_PROXY, *argv, *argv);
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addattr8(n, 1024, IFLA_VXLAN_PROXY, 1);
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} else if (!matches(*argv, "norsc")) {
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check_duparg(&attrs, IFLA_VXLAN_RSC, *argv, *argv);
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addattr8(n, 1024, IFLA_VXLAN_RSC, 0);
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} else if (!matches(*argv, "rsc")) {
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check_duparg(&attrs, IFLA_VXLAN_RSC, *argv, *argv);
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addattr8(n, 1024, IFLA_VXLAN_RSC, 1);
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} else if (!matches(*argv, "nol2miss")) {
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check_duparg(&attrs, IFLA_VXLAN_L2MISS, *argv, *argv);
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addattr8(n, 1024, IFLA_VXLAN_L2MISS, 0);
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} else if (!matches(*argv, "l2miss")) {
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check_duparg(&attrs, IFLA_VXLAN_L2MISS, *argv, *argv);
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addattr8(n, 1024, IFLA_VXLAN_L2MISS, 1);
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} else if (!matches(*argv, "nol3miss")) {
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check_duparg(&attrs, IFLA_VXLAN_L3MISS, *argv, *argv);
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addattr8(n, 1024, IFLA_VXLAN_L3MISS, 0);
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} else if (!matches(*argv, "l3miss")) {
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check_duparg(&attrs, IFLA_VXLAN_L3MISS, *argv, *argv);
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addattr8(n, 1024, IFLA_VXLAN_L3MISS, 1);
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} else if (!matches(*argv, "udpcsum")) {
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check_duparg(&attrs, IFLA_VXLAN_UDP_CSUM, *argv, *argv);
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addattr8(n, 1024, IFLA_VXLAN_UDP_CSUM, 1);
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} else if (!matches(*argv, "noudpcsum")) {
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check_duparg(&attrs, IFLA_VXLAN_UDP_CSUM, *argv, *argv);
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addattr8(n, 1024, IFLA_VXLAN_UDP_CSUM, 0);
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} else if (!matches(*argv, "udp6zerocsumtx")) {
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check_duparg(&attrs, IFLA_VXLAN_UDP_ZERO_CSUM6_TX,
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*argv, *argv);
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addattr8(n, 1024, IFLA_VXLAN_UDP_ZERO_CSUM6_TX, 1);
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} else if (!matches(*argv, "noudp6zerocsumtx")) {
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check_duparg(&attrs, IFLA_VXLAN_UDP_ZERO_CSUM6_TX,
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*argv, *argv);
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addattr8(n, 1024, IFLA_VXLAN_UDP_ZERO_CSUM6_TX, 0);
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} else if (!matches(*argv, "udp6zerocsumrx")) {
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check_duparg(&attrs, IFLA_VXLAN_UDP_ZERO_CSUM6_RX,
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*argv, *argv);
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addattr8(n, 1024, IFLA_VXLAN_UDP_ZERO_CSUM6_RX, 1);
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} else if (!matches(*argv, "noudp6zerocsumrx")) {
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check_duparg(&attrs, IFLA_VXLAN_UDP_ZERO_CSUM6_RX,
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*argv, *argv);
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addattr8(n, 1024, IFLA_VXLAN_UDP_ZERO_CSUM6_RX, 0);
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} else if (!matches(*argv, "remcsumtx")) {
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check_duparg(&attrs, IFLA_VXLAN_REMCSUM_TX,
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*argv, *argv);
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addattr8(n, 1024, IFLA_VXLAN_REMCSUM_TX, 1);
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} else if (!matches(*argv, "noremcsumtx")) {
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check_duparg(&attrs, IFLA_VXLAN_REMCSUM_TX,
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*argv, *argv);
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addattr8(n, 1024, IFLA_VXLAN_REMCSUM_TX, 0);
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} else if (!matches(*argv, "remcsumrx")) {
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check_duparg(&attrs, IFLA_VXLAN_REMCSUM_RX,
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*argv, *argv);
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addattr8(n, 1024, IFLA_VXLAN_REMCSUM_RX, 1);
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} else if (!matches(*argv, "noremcsumrx")) {
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check_duparg(&attrs, IFLA_VXLAN_REMCSUM_RX,
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*argv, *argv);
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addattr8(n, 1024, IFLA_VXLAN_REMCSUM_RX, 0);
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} else if (!matches(*argv, "external")) {
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check_duparg(&attrs, IFLA_VXLAN_COLLECT_METADATA,
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*argv, *argv);
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metadata = 1;
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learning = 0;
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/* we will add LEARNING attribute outside of the loop */
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addattr8(n, 1024, IFLA_VXLAN_COLLECT_METADATA,
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metadata);
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} else if (!matches(*argv, "noexternal")) {
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check_duparg(&attrs, IFLA_VXLAN_COLLECT_METADATA,
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*argv, *argv);
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metadata = 0;
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addattr8(n, 1024, IFLA_VXLAN_COLLECT_METADATA,
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metadata);
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} else if (!matches(*argv, "gbp")) {
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check_duparg(&attrs, IFLA_VXLAN_GBP, *argv, *argv);
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addattr_l(n, 1024, IFLA_VXLAN_GBP, NULL, 0);
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} else if (!matches(*argv, "gpe")) {
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check_duparg(&attrs, IFLA_VXLAN_GPE, *argv, *argv);
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addattr_l(n, 1024, IFLA_VXLAN_GPE, NULL, 0);
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} else if (matches(*argv, "help") == 0) {
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explain();
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return -1;
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} else {
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fprintf(stderr, "vxlan: unknown command \"%s\"?\n", *argv);
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explain();
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return -1;
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}
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argc--, argv++;
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}
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if (metadata && VXLAN_ATTRSET(attrs, IFLA_VXLAN_ID)) {
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fprintf(stderr, "vxlan: both 'external' and vni cannot be specified\n");
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return -1;
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}
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if (!metadata && !VXLAN_ATTRSET(attrs, IFLA_VXLAN_ID)) {
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fprintf(stderr, "vxlan: missing virtual network identifier\n");
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return -1;
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}
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if ((gaddr || !IN6_IS_ADDR_UNSPECIFIED(&gaddr6)) &&
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!VXLAN_ATTRSET(attrs, IFLA_VXLAN_LINK)) {
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fprintf(stderr, "vxlan: 'group' requires 'dev' to be specified\n");
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return -1;
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}
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if (!VXLAN_ATTRSET(attrs, IFLA_VXLAN_PORT) &&
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VXLAN_ATTRSET(attrs, IFLA_VXLAN_GPE)) {
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dstport = 4790;
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} else if (!VXLAN_ATTRSET(attrs, IFLA_VXLAN_PORT) && !set_op) {
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fprintf(stderr, "vxlan: destination port not specified\n"
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"Will use Linux kernel default (non-standard value)\n");
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fprintf(stderr,
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"Use 'dstport 4789' to get the IANA assigned value\n"
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"Use 'dstport 0' to get default and quiet this message\n");
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}
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addattr32(n, 1024, IFLA_VXLAN_ID, vni);
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if (gaddr)
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addattr_l(n, 1024, IFLA_VXLAN_GROUP, &gaddr, 4);
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else if (daddr)
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addattr_l(n, 1024, IFLA_VXLAN_GROUP, &daddr, 4);
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else if (!IN6_IS_ADDR_UNSPECIFIED(&gaddr6))
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addattr_l(n, 1024, IFLA_VXLAN_GROUP6, &gaddr6, sizeof(struct in6_addr));
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else if (!IN6_IS_ADDR_UNSPECIFIED(&daddr6))
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addattr_l(n, 1024, IFLA_VXLAN_GROUP6, &daddr6, sizeof(struct in6_addr));
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else if (preferred_family == AF_INET)
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addattr_l(n, 1024, IFLA_VXLAN_GROUP, &daddr, 4);
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else if (preferred_family == AF_INET6)
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addattr_l(n, 1024, IFLA_VXLAN_GROUP6, &daddr6, sizeof(struct in6_addr));
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if (!set_op || VXLAN_ATTRSET(attrs, IFLA_VXLAN_LEARNING))
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addattr8(n, 1024, IFLA_VXLAN_LEARNING, learning);
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if (dstport)
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addattr16(n, 1024, IFLA_VXLAN_PORT, htons(dstport));
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return 0;
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}
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static void vxlan_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[])
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{
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__u32 vni;
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unsigned int link;
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__u8 tos;
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__u32 maxaddr;
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char s2[64];
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if (!tb)
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return;
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if (!tb[IFLA_VXLAN_ID] ||
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RTA_PAYLOAD(tb[IFLA_VXLAN_ID]) < sizeof(__u32))
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return;
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vni = rta_getattr_u32(tb[IFLA_VXLAN_ID]);
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print_uint(PRINT_ANY, "id", "id %u ", vni);
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if (tb[IFLA_VXLAN_GROUP]) {
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__be32 addr = rta_getattr_u32(tb[IFLA_VXLAN_GROUP]);
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|
|
|
if (addr) {
|
|
if (IN_MULTICAST(ntohl(addr)))
|
|
print_string(PRINT_ANY,
|
|
"group",
|
|
"group %s ",
|
|
format_host(AF_INET, 4, &addr));
|
|
else
|
|
print_string(PRINT_ANY,
|
|
"remote",
|
|
"remote %s ",
|
|
format_host(AF_INET, 4, &addr));
|
|
}
|
|
} else if (tb[IFLA_VXLAN_GROUP6]) {
|
|
struct in6_addr addr;
|
|
|
|
memcpy(&addr, RTA_DATA(tb[IFLA_VXLAN_GROUP6]), sizeof(struct in6_addr));
|
|
if (!IN6_IS_ADDR_UNSPECIFIED(&addr)) {
|
|
if (IN6_IS_ADDR_MULTICAST(&addr))
|
|
print_string(PRINT_ANY,
|
|
"group6",
|
|
"group %s ",
|
|
format_host(AF_INET6,
|
|
sizeof(struct in6_addr),
|
|
&addr));
|
|
else
|
|
print_string(PRINT_ANY,
|
|
"remote6",
|
|
"remote %s ",
|
|
format_host(AF_INET6,
|
|
sizeof(struct in6_addr),
|
|
&addr));
|
|
}
|
|
}
|
|
|
|
if (tb[IFLA_VXLAN_LOCAL]) {
|
|
__be32 addr = rta_getattr_u32(tb[IFLA_VXLAN_LOCAL]);
|
|
|
|
if (addr)
|
|
print_string(PRINT_ANY,
|
|
"local",
|
|
"local %s ",
|
|
format_host(AF_INET, 4, &addr));
|
|
} else if (tb[IFLA_VXLAN_LOCAL6]) {
|
|
struct in6_addr addr;
|
|
|
|
memcpy(&addr, RTA_DATA(tb[IFLA_VXLAN_LOCAL6]), sizeof(struct in6_addr));
|
|
if (!IN6_IS_ADDR_UNSPECIFIED(&addr))
|
|
print_string(PRINT_ANY,
|
|
"local6",
|
|
"local %s ",
|
|
format_host(AF_INET6,
|
|
sizeof(struct in6_addr),
|
|
&addr));
|
|
}
|
|
|
|
if (tb[IFLA_VXLAN_LINK] &&
|
|
(link = rta_getattr_u32(tb[IFLA_VXLAN_LINK]))) {
|
|
const char *n = if_indextoname(link, s2);
|
|
|
|
if (n)
|
|
print_string(PRINT_ANY, "link", "dev %s ", n);
|
|
else
|
|
print_uint(PRINT_ANY, "link_index", "dev %u ", link);
|
|
}
|
|
|
|
if (tb[IFLA_VXLAN_PORT_RANGE]) {
|
|
const struct ifla_vxlan_port_range *r
|
|
= RTA_DATA(tb[IFLA_VXLAN_PORT_RANGE]);
|
|
if (is_json_context()) {
|
|
open_json_object("port_range");
|
|
print_uint(PRINT_JSON, "low", NULL, ntohs(r->low));
|
|
print_uint(PRINT_JSON, "high", NULL, ntohs(r->high));
|
|
close_json_object();
|
|
} else {
|
|
fprintf(f, "srcport %u %u ",
|
|
ntohs(r->low), ntohs(r->high));
|
|
}
|
|
}
|
|
|
|
if (tb[IFLA_VXLAN_PORT])
|
|
print_uint(PRINT_ANY,
|
|
"port",
|
|
"dstport %u ",
|
|
rta_getattr_be16(tb[IFLA_VXLAN_PORT]));
|
|
|
|
if (tb[IFLA_VXLAN_LEARNING]) {
|
|
__u8 learning = rta_getattr_u8(tb[IFLA_VXLAN_LEARNING]);
|
|
|
|
print_bool(PRINT_JSON, "learning", NULL, learning);
|
|
if (!learning)
|
|
print_bool(PRINT_FP, NULL, "nolearning ", true);
|
|
}
|
|
|
|
if (tb[IFLA_VXLAN_PROXY] && rta_getattr_u8(tb[IFLA_VXLAN_PROXY]))
|
|
print_bool(PRINT_ANY, "proxy", "proxy ", true);
|
|
|
|
if (tb[IFLA_VXLAN_RSC] && rta_getattr_u8(tb[IFLA_VXLAN_RSC]))
|
|
print_bool(PRINT_ANY, "rsc", "rsc ", true);
|
|
|
|
if (tb[IFLA_VXLAN_L2MISS] && rta_getattr_u8(tb[IFLA_VXLAN_L2MISS]))
|
|
print_bool(PRINT_ANY, "l2miss", "l2miss ", true);
|
|
|
|
if (tb[IFLA_VXLAN_L3MISS] && rta_getattr_u8(tb[IFLA_VXLAN_L3MISS]))
|
|
print_bool(PRINT_ANY, "l3miss", "l3miss ", true);
|
|
|
|
if (tb[IFLA_VXLAN_TOS] &&
|
|
(tos = rta_getattr_u8(tb[IFLA_VXLAN_TOS]))) {
|
|
if (is_json_context()) {
|
|
print_0xhex(PRINT_JSON, "tos", "%#x", tos);
|
|
} else {
|
|
if (tos == 1)
|
|
fprintf(f, "tos %s ", "inherit");
|
|
else
|
|
fprintf(f, "tos %#x ", tos);
|
|
}
|
|
}
|
|
|
|
if (tb[IFLA_VXLAN_TTL]) {
|
|
__u8 ttl = rta_getattr_u8(tb[IFLA_VXLAN_TTL]);
|
|
|
|
if (ttl)
|
|
print_int(PRINT_ANY, "ttl", "ttl %d ", ttl);
|
|
else
|
|
print_int(PRINT_JSON, "ttl", NULL, ttl);
|
|
}
|
|
|
|
if (tb[IFLA_VXLAN_LABEL]) {
|
|
__u32 label = rta_getattr_u32(tb[IFLA_VXLAN_LABEL]);
|
|
|
|
if (label)
|
|
print_0xhex(PRINT_ANY,
|
|
"label",
|
|
"flowlabel %#x ",
|
|
ntohl(label));
|
|
}
|
|
|
|
if (tb[IFLA_VXLAN_AGEING]) {
|
|
__u32 age = rta_getattr_u32(tb[IFLA_VXLAN_AGEING]);
|
|
|
|
if (age == 0)
|
|
print_uint(PRINT_ANY, "ageing", "ageing none ", 0);
|
|
else
|
|
print_uint(PRINT_ANY, "ageing", "ageing %u ", age);
|
|
}
|
|
|
|
if (tb[IFLA_VXLAN_LIMIT] &&
|
|
((maxaddr = rta_getattr_u32(tb[IFLA_VXLAN_LIMIT])) != 0))
|
|
print_uint(PRINT_ANY, "limit", "maxaddr %u ", maxaddr);
|
|
|
|
if (tb[IFLA_VXLAN_UDP_CSUM]) {
|
|
__u8 udp_csum = rta_getattr_u8(tb[IFLA_VXLAN_UDP_CSUM]);
|
|
|
|
if (is_json_context()) {
|
|
print_bool(PRINT_ANY, "udp_csum", NULL, udp_csum);
|
|
} else {
|
|
if (!udp_csum)
|
|
fputs("no", f);
|
|
fputs("udpcsum ", f);
|
|
}
|
|
}
|
|
|
|
if (tb[IFLA_VXLAN_UDP_ZERO_CSUM6_TX]) {
|
|
__u8 csum6 = rta_getattr_u8(tb[IFLA_VXLAN_UDP_ZERO_CSUM6_TX]);
|
|
|
|
if (is_json_context()) {
|
|
print_bool(PRINT_ANY,
|
|
"udp_zero_csum6_tx", NULL, csum6);
|
|
} else {
|
|
if (!csum6)
|
|
fputs("no", f);
|
|
fputs("udp6zerocsumtx ", f);
|
|
}
|
|
}
|
|
|
|
if (tb[IFLA_VXLAN_UDP_ZERO_CSUM6_RX]) {
|
|
__u8 csum6 = rta_getattr_u8(tb[IFLA_VXLAN_UDP_ZERO_CSUM6_RX]);
|
|
|
|
if (is_json_context()) {
|
|
print_bool(PRINT_ANY,
|
|
"udp_zero_csum6_rx",
|
|
NULL,
|
|
csum6);
|
|
} else {
|
|
if (!csum6)
|
|
fputs("no", f);
|
|
fputs("udp6zerocsumrx ", f);
|
|
}
|
|
}
|
|
|
|
if (tb[IFLA_VXLAN_REMCSUM_TX] &&
|
|
rta_getattr_u8(tb[IFLA_VXLAN_REMCSUM_TX]))
|
|
print_bool(PRINT_ANY, "remcsum_tx", "remcsumtx ", true);
|
|
|
|
if (tb[IFLA_VXLAN_REMCSUM_RX] &&
|
|
rta_getattr_u8(tb[IFLA_VXLAN_REMCSUM_RX]))
|
|
print_bool(PRINT_ANY, "remcsum_rx", "remcsumrx ", true);
|
|
|
|
if (tb[IFLA_VXLAN_COLLECT_METADATA] &&
|
|
rta_getattr_u8(tb[IFLA_VXLAN_COLLECT_METADATA]))
|
|
print_bool(PRINT_ANY, "collect_metadata", "external ", true);
|
|
|
|
if (tb[IFLA_VXLAN_GBP])
|
|
print_bool(PRINT_ANY, "gbp", "gbp ", true);
|
|
if (tb[IFLA_VXLAN_GPE])
|
|
print_bool(PRINT_ANY, "gpe", "gpe ", true);
|
|
}
|
|
|
|
static void vxlan_print_help(struct link_util *lu, int argc, char **argv,
|
|
FILE *f)
|
|
{
|
|
print_explain(f);
|
|
}
|
|
|
|
struct link_util vxlan_link_util = {
|
|
.id = "vxlan",
|
|
.maxattr = IFLA_VXLAN_MAX,
|
|
.parse_opt = vxlan_parse_opt,
|
|
.print_opt = vxlan_print_opt,
|
|
.print_help = vxlan_print_help,
|
|
};
|