#include "utils.h"
#include "ip_common.h"
+static void print_explain(FILE *f)
+{
+ fprintf(f, "Usage: ... vxlan id VNI [ { group | remote } ADDR ] [ local ADDR ]\n");
+ fprintf(f, " [ ttl TTL ] [ tos TOS ] [ dev PHYS_DEV ]\n");
+ fprintf(f, " [ dstport PORT ] [ srcport MIN MAX ]\n");
+ fprintf(f, " [ [no]learning ] [ [no]proxy ] [ [no]rsc ]\n");
+ fprintf(f, " [ [no]l2miss ] [ [no]l3miss ]\n");
+ fprintf(f, " [ ageing SECONDS ] [ maxaddress NUMBER ]\n");
+ fprintf(f, " [ [no]udpcsum ] [ [no]udp6zerocsumtx ] [ [no]udp6zerocsumrx ]\n");
+ fprintf(f, " [ gbp ]\n");
+ fprintf(f, "\n");
+ fprintf(f, "Where: VNI := 0-16777215\n");
+ fprintf(f, " ADDR := { IP_ADDRESS | any }\n");
+ fprintf(f, " TOS := { NUMBER | inherit }\n");
+ fprintf(f, " TTL := { 1..255 | inherit }\n");
+}
+
static void explain(void)
{
- fprintf(stderr, "Usage: ... vxlan id VNI [ group ADDR ] [ local ADDR ]\n");
- fprintf(stderr, " [ ttl TTL ] [ tos TOS ] [ [no]learning ] [ dev PHYS_DEV ]\n");
- fprintf(stderr, "\n");
- fprintf(stderr, "Where: VNI := 0-16777215\n");
- fprintf(stderr, " ADDR := { IP_ADDRESS | any }\n");
- fprintf(stderr, " TOS := { NUMBER | inherit }\n");
- fprintf(stderr, " TTL := { 1..255 | inherit }\n");
+ print_explain(stderr);
}
static int vxlan_parse_opt(struct link_util *lu, int argc, char **argv,
int vni_set = 0;
__u32 saddr = 0;
__u32 gaddr = 0;
+ __u32 daddr = 0;
+ struct in6_addr saddr6 = IN6ADDR_ANY_INIT;
+ struct in6_addr gaddr6 = IN6ADDR_ANY_INIT;
+ struct in6_addr daddr6 = IN6ADDR_ANY_INIT;
unsigned link = 0;
__u8 tos = 0;
__u8 ttl = 0;
__u8 learning = 1;
+ __u8 proxy = 0;
+ __u8 rsc = 0;
+ __u8 l2miss = 0;
+ __u8 l3miss = 0;
__u8 noage = 0;
__u32 age = 0;
__u32 maxaddr = 0;
+ __u16 dstport = 0;
+ __u8 udpcsum = 0;
+ __u8 udp6zerocsumtx = 0;
+ __u8 udp6zerocsumrx = 0;
+ __u8 gbp = 0;
+ int dst_port_set = 0;
+ struct ifla_vxlan_port_range range = { 0, 0 };
while (argc > 0) {
if (!matches(*argv, "id") ||
vni_set = 1;
} else if (!matches(*argv, "group")) {
NEXT_ARG();
- gaddr = get_addr32(*argv);
-
- if (!IN_MULTICAST(ntohl(gaddr)))
- invarg("invald group address", *argv);
+ if (!inet_get_addr(*argv, &gaddr, &gaddr6)) {
+ fprintf(stderr, "Invalid address \"%s\"\n", *argv);
+ return -1;
+ }
+ if (!IN6_IS_ADDR_MULTICAST(&gaddr6) && !IN_MULTICAST(ntohl(gaddr)))
+ invarg("invalid group address", *argv);
+ } else if (!matches(*argv, "remote")) {
+ NEXT_ARG();
+ if (!inet_get_addr(*argv, &daddr, &daddr6)) {
+ fprintf(stderr, "Invalid address \"%s\"\n", *argv);
+ return -1;
+ }
+ if (IN6_IS_ADDR_MULTICAST(&daddr6) || IN_MULTICAST(ntohl(daddr)))
+ invarg("invalid remote address", *argv);
} else if (!matches(*argv, "local")) {
NEXT_ARG();
- if (strcmp(*argv, "any"))
- saddr = get_addr32(*argv);
- if (IN_MULTICAST(ntohl(saddr)))
+ if (strcmp(*argv, "any")) {
+ if (!inet_get_addr(*argv, &saddr, &saddr6)) {
+ fprintf(stderr, "Invalid address \"%s\"\n", *argv);
+ return -1;
+ }
+ }
+
+ if (IN_MULTICAST(ntohl(saddr)) || IN6_IS_ADDR_MULTICAST(&saddr6))
invarg("invalid local address", *argv);
} else if (!matches(*argv, "dev")) {
NEXT_ARG();
link = if_nametoindex(*argv);
- if (link == 0)
+ if (link == 0) {
+ fprintf(stderr, "Cannot find device \"%s\"\n",
+ *argv);
exit(-1);
+ }
} else if (!matches(*argv, "ttl") ||
!matches(*argv, "hoplimit")) {
unsigned uval;
NEXT_ARG();
if (strcmp(*argv, "inherit") != 0) {
if (get_unsigned(&uval, *argv, 0))
- invarg("invalid TTL\n", *argv);
+ invarg("invalid TTL", *argv);
if (uval > 255)
- invarg("TTL must be <= 255\n", *argv);
+ invarg("TTL must be <= 255", *argv);
ttl = uval;
}
} else if (!matches(*argv, "tos") ||
if (strcmp(*argv, "none") == 0)
noage = 1;
else if (get_u32(&age, *argv, 0))
- invarg("ageing timer\n", *argv);
+ invarg("ageing timer", *argv);
} else if (!matches(*argv, "maxaddress")) {
NEXT_ARG();
if (strcmp(*argv, "unlimited") == 0)
maxaddr = 0;
else if (get_u32(&maxaddr, *argv, 0))
- invarg("max addresses\n", *argv);
+ invarg("max addresses", *argv);
+ } else if (!matches(*argv, "port") ||
+ !matches(*argv, "srcport")) {
+ __u16 minport, maxport;
+ NEXT_ARG();
+ if (get_u16(&minport, *argv, 0))
+ invarg("min port", *argv);
+ NEXT_ARG();
+ if (get_u16(&maxport, *argv, 0))
+ invarg("max port", *argv);
+ range.low = htons(minport);
+ range.high = htons(maxport);
+ } else if (!matches(*argv, "dstport")){
+ NEXT_ARG();
+ if (get_u16(&dstport, *argv, 0))
+ invarg("dst port", *argv);
+ dst_port_set = 1;
} else if (!matches(*argv, "nolearning")) {
learning = 0;
} else if (!matches(*argv, "learning")) {
learning = 1;
+ } else if (!matches(*argv, "noproxy")) {
+ proxy = 0;
+ } else if (!matches(*argv, "proxy")) {
+ proxy = 1;
+ } else if (!matches(*argv, "norsc")) {
+ rsc = 0;
+ } else if (!matches(*argv, "rsc")) {
+ rsc = 1;
+ } else if (!matches(*argv, "nol2miss")) {
+ l2miss = 0;
+ } else if (!matches(*argv, "l2miss")) {
+ l2miss = 1;
+ } else if (!matches(*argv, "nol3miss")) {
+ l3miss = 0;
+ } else if (!matches(*argv, "l3miss")) {
+ l3miss = 1;
+ } else if (!matches(*argv, "udpcsum")) {
+ udpcsum = 1;
+ } else if (!matches(*argv, "noudpcsum")) {
+ udpcsum = 0;
+ } else if (!matches(*argv, "udp6zerocsumtx")) {
+ udp6zerocsumtx = 1;
+ } else if (!matches(*argv, "noudp6zerocsumtx")) {
+ udp6zerocsumtx = 0;
+ } else if (!matches(*argv, "udp6zerocsumrx")) {
+ udp6zerocsumrx = 1;
+ } else if (!matches(*argv, "noudp6zerocsumrx")) {
+ udp6zerocsumrx = 0;
+ } else if (!matches(*argv, "gbp")) {
+ gbp = 1;
} else if (matches(*argv, "help") == 0) {
explain();
return -1;
} else {
- fprintf(stderr, "vxlan: what is \"%s\"?\n", *argv);
+ fprintf(stderr, "vxlan: unknown command \"%s\"?\n", *argv);
explain();
return -1;
}
fprintf(stderr, "vxlan: missing virtual network identifier\n");
return -1;
}
+
+ if ((gaddr && daddr) ||
+ (memcmp(&gaddr6, &in6addr_any, sizeof(gaddr6)) &&
+ memcmp(&daddr6, &in6addr_any, sizeof(daddr6)))) {
+ fprintf(stderr, "vxlan: both group and remote cannot be specified\n");
+ return -1;
+ }
+
+ if (!dst_port_set) {
+ fprintf(stderr, "vxlan: destination port not specified\n"
+ "Will use Linux kernel default (non-standard value)\n");
+ fprintf(stderr,
+ "Use 'dstport 4789' to get the IANA assigned value\n"
+ "Use 'dstport 0' to get default and quiet this message\n");
+ }
+
addattr32(n, 1024, IFLA_VXLAN_ID, vni);
- addattr_l(n, 1024, IFLA_VXLAN_GROUP, &gaddr, 4);
- addattr_l(n, 1024, IFLA_VXLAN_LOCAL, &saddr, 4);
+ if (gaddr)
+ addattr_l(n, 1024, IFLA_VXLAN_GROUP, &gaddr, 4);
+ else if (daddr)
+ addattr_l(n, 1024, IFLA_VXLAN_GROUP, &daddr, 4);
+ if (memcmp(&gaddr6, &in6addr_any, sizeof(gaddr6)) != 0)
+ addattr_l(n, 1024, IFLA_VXLAN_GROUP6, &gaddr6, sizeof(struct in6_addr));
+ else if (memcmp(&daddr6, &in6addr_any, sizeof(daddr6)) != 0)
+ addattr_l(n, 1024, IFLA_VXLAN_GROUP6, &daddr6, sizeof(struct in6_addr));
+
+ if (saddr)
+ addattr_l(n, 1024, IFLA_VXLAN_LOCAL, &saddr, 4);
+ else if (memcmp(&saddr6, &in6addr_any, sizeof(saddr6)) != 0)
+ addattr_l(n, 1024, IFLA_VXLAN_LOCAL6, &saddr6, sizeof(struct in6_addr));
+
if (link)
addattr32(n, 1024, IFLA_VXLAN_LINK, link);
addattr8(n, 1024, IFLA_VXLAN_TTL, ttl);
addattr8(n, 1024, IFLA_VXLAN_TOS, tos);
addattr8(n, 1024, IFLA_VXLAN_LEARNING, learning);
+ addattr8(n, 1024, IFLA_VXLAN_PROXY, proxy);
+ addattr8(n, 1024, IFLA_VXLAN_RSC, rsc);
+ addattr8(n, 1024, IFLA_VXLAN_L2MISS, l2miss);
+ addattr8(n, 1024, IFLA_VXLAN_L3MISS, l3miss);
+ addattr8(n, 1024, IFLA_VXLAN_UDP_CSUM, udpcsum);
+ addattr8(n, 1024, IFLA_VXLAN_UDP_ZERO_CSUM6_TX, udp6zerocsumtx);
+ addattr8(n, 1024, IFLA_VXLAN_UDP_ZERO_CSUM6_RX, udp6zerocsumrx);
+
if (noage)
addattr32(n, 1024, IFLA_VXLAN_AGEING, 0);
else if (age)
addattr32(n, 1024, IFLA_VXLAN_AGEING, age);
if (maxaddr)
addattr32(n, 1024, IFLA_VXLAN_LIMIT, maxaddr);
+ if (range.low || range.high)
+ addattr_l(n, 1024, IFLA_VXLAN_PORT_RANGE,
+ &range, sizeof(range));
+ if (dstport)
+ addattr16(n, 1024, IFLA_VXLAN_PORT, htons(dstport));
+
+ if (gbp)
+ addattr_l(n, 1024, IFLA_VXLAN_GBP, NULL, 0);
+
return 0;
}
{
__u32 vni;
unsigned link;
+ __u8 tos;
+ __u32 maxaddr;
char s1[1024];
char s2[64];
fprintf(f, "id %u ", vni);
if (tb[IFLA_VXLAN_GROUP]) {
- __u32 addr = rta_getattr_u32(tb[IFLA_VXLAN_GROUP]);
-
- if (addr)
- fprintf(f, "group %s ",
- format_host(AF_INET, 4, &addr, s1, sizeof(s1)));
+ __be32 addr = rta_getattr_u32(tb[IFLA_VXLAN_GROUP]);
+ if (addr) {
+ if (IN_MULTICAST(ntohl(addr)))
+ fprintf(f, "group %s ",
+ format_host(AF_INET, 4, &addr, s1, sizeof(s1)));
+ else
+ fprintf(f, "remote %s ",
+ format_host(AF_INET, 4, &addr, s1, sizeof(s1)));
+ }
+ } else if (tb[IFLA_VXLAN_GROUP6]) {
+ struct in6_addr addr;
+ memcpy(&addr, RTA_DATA(tb[IFLA_VXLAN_GROUP6]), sizeof(struct in6_addr));
+ if (memcmp(&addr, &in6addr_any, sizeof(addr)) != 0) {
+ if (IN6_IS_ADDR_MULTICAST(&addr))
+ fprintf(f, "group %s ",
+ format_host(AF_INET6, sizeof(struct in6_addr), &addr, s1, sizeof(s1)));
+ else
+ fprintf(f, "remote %s ",
+ format_host(AF_INET6, sizeof(struct in6_addr), &addr, s1, sizeof(s1)));
+ }
}
if (tb[IFLA_VXLAN_LOCAL]) {
- unsigned addr = rta_getattr_u32(tb[IFLA_VXLAN_LOCAL]);
-
+ __be32 addr = rta_getattr_u32(tb[IFLA_VXLAN_LOCAL]);
if (addr)
- fprintf(f, "local %s ",
+ fprintf(f, "local %s ",
format_host(AF_INET, 4, &addr, s1, sizeof(s1)));
+ } else if (tb[IFLA_VXLAN_LOCAL6]) {
+ struct in6_addr addr;
+ memcpy(&addr, RTA_DATA(tb[IFLA_VXLAN_LOCAL6]), sizeof(struct in6_addr));
+ if (memcmp(&addr, &in6addr_any, sizeof(addr)) != 0)
+ fprintf(f, "local %s ",
+ format_host(AF_INET6, sizeof(struct in6_addr), &addr, s1, sizeof(s1)));
}
if (tb[IFLA_VXLAN_LINK] &&
fprintf(f, "dev %u ", link);
}
+ if (tb[IFLA_VXLAN_PORT_RANGE]) {
+ const struct ifla_vxlan_port_range *r
+ = RTA_DATA(tb[IFLA_VXLAN_PORT_RANGE]);
+ fprintf(f, "srcport %u %u ", ntohs(r->low), ntohs(r->high));
+ }
+
+ if (tb[IFLA_VXLAN_PORT])
+ fprintf(f, "dstport %u ",
+ ntohs(rta_getattr_u16(tb[IFLA_VXLAN_PORT])));
+
if (tb[IFLA_VXLAN_LEARNING] &&
!rta_getattr_u8(tb[IFLA_VXLAN_LEARNING]))
fputs("nolearning ", f);
- if (tb[IFLA_VXLAN_TOS]) {
- __u8 tos = rta_getattr_u8(tb[IFLA_VXLAN_TOS]);
+ if (tb[IFLA_VXLAN_PROXY] && rta_getattr_u8(tb[IFLA_VXLAN_PROXY]))
+ fputs("proxy ", f);
+
+ if (tb[IFLA_VXLAN_RSC] && rta_getattr_u8(tb[IFLA_VXLAN_RSC]))
+ fputs("rsc ", f);
+
+ if (tb[IFLA_VXLAN_L2MISS] && rta_getattr_u8(tb[IFLA_VXLAN_L2MISS]))
+ fputs("l2miss ", f);
+ if (tb[IFLA_VXLAN_L3MISS] && rta_getattr_u8(tb[IFLA_VXLAN_L3MISS]))
+ fputs("l3miss ", f);
+
+ if (tb[IFLA_VXLAN_TOS] &&
+ (tos = rta_getattr_u8(tb[IFLA_VXLAN_TOS]))) {
if (tos == 1)
fprintf(f, "tos inherit ");
else
else
fprintf(f, "ageing %u ", age);
}
- if (tb[IFLA_VXLAN_LIMIT]) {
- __u32 maxaddr = rta_getattr_u32(tb[IFLA_VXLAN_LIMIT]);
- if (maxaddr == 0)
- fprintf(f, "maxaddr unlimited ");
- else
- fprintf(f, "maxaddr %u ", maxaddr);
- }
+
+ if (tb[IFLA_VXLAN_LIMIT] &&
+ ((maxaddr = rta_getattr_u32(tb[IFLA_VXLAN_LIMIT])) != 0))
+ fprintf(f, "maxaddr %u ", maxaddr);
+
+ if (tb[IFLA_VXLAN_UDP_CSUM] && rta_getattr_u8(tb[IFLA_VXLAN_UDP_CSUM]))
+ fputs("udpcsum ", f);
+
+ if (tb[IFLA_VXLAN_UDP_ZERO_CSUM6_TX] &&
+ rta_getattr_u8(tb[IFLA_VXLAN_UDP_ZERO_CSUM6_TX]))
+ fputs("udp6zerocsumtx ", f);
+
+ if (tb[IFLA_VXLAN_UDP_ZERO_CSUM6_RX] &&
+ rta_getattr_u8(tb[IFLA_VXLAN_UDP_ZERO_CSUM6_RX]))
+ fputs("udp6zerocsumrx ", f);
+
+ if (tb[IFLA_VXLAN_GBP])
+ fputs("gbp ", f);
+}
+
+static void vxlan_print_help(struct link_util *lu, int argc, char **argv,
+ FILE *f)
+{
+ print_explain(f);
}
struct link_util vxlan_link_util = {
.maxattr = IFLA_VXLAN_MAX,
.parse_opt = vxlan_parse_opt,
.print_opt = vxlan_print_opt,
+ .print_help = vxlan_print_help,
};