" [ local ADDR ]\n"
" [ ttl TTL ]\n"
" [ tos TOS ]\n"
+ " [ df DF ]\n"
" [ flowlabel LABEL ]\n"
" [ dev PHYS_DEV ]\n"
" [ dstport PORT ]\n"
"Where: VNI := 0-16777215\n"
" ADDR := { IP_ADDRESS | any }\n"
" TOS := { NUMBER | inherit }\n"
- " TTL := { 1..255 | inherit }\n"
+ " TTL := { 1..255 | auto | inherit }\n"
+ " DF := { unset | set | inherit }\n"
" LABEL := 0-1048575\n"
);
}
static int vxlan_parse_opt(struct link_util *lu, int argc, char **argv,
struct nlmsghdr *n)
{
+ inet_prefix saddr, daddr;
__u32 vni = 0;
- __u32 gaddr = 0;
- __u32 daddr = 0;
- struct in6_addr gaddr6 = IN6ADDR_ANY_INIT;
- struct in6_addr daddr6 = IN6ADDR_ANY_INIT;
__u8 learning = 1;
__u16 dstport = 0;
__u8 metadata = 0;
__u64 attrs = 0;
bool set_op = (n->nlmsg_type == RTM_NEWLINK &&
!(n->nlmsg_flags & NLM_F_CREATE));
+ bool selected_family = false;
+
+ saddr.family = daddr.family = AF_UNSPEC;
+
+ inet_prefix_reset(&saddr);
+ inet_prefix_reset(&daddr);
while (argc > 0) {
if (!matches(*argv, "id") ||
vni >= 1u << 24)
invarg("invalid id", *argv);
} else if (!matches(*argv, "group")) {
- if (daddr || !IN6_IS_ADDR_UNSPECIFIED(&daddr6)) {
+ if (is_addrtype_inet_not_multi(&daddr)) {
fprintf(stderr, "vxlan: both group and remote");
fprintf(stderr, " cannot be specified\n");
return -1;
}
NEXT_ARG();
check_duparg(&attrs, IFLA_VXLAN_GROUP, "group", *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)))
+ get_addr(&daddr, *argv, saddr.family);
+ if (!is_addrtype_inet_multi(&daddr))
invarg("invalid group address", *argv);
} else if (!matches(*argv, "remote")) {
- if (gaddr || !IN6_IS_ADDR_UNSPECIFIED(&gaddr6)) {
+ if (is_addrtype_inet_multi(&daddr)) {
fprintf(stderr, "vxlan: both group and remote");
fprintf(stderr, " cannot be specified\n");
return -1;
}
NEXT_ARG();
check_duparg(&attrs, IFLA_VXLAN_GROUP, "remote", *argv);
- 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)))
+ get_addr(&daddr, *argv, saddr.family);
+ if (!is_addrtype_inet_not_multi(&daddr))
invarg("invalid remote address", *argv);
} else if (!matches(*argv, "local")) {
- __u32 saddr = 0;
- struct in6_addr saddr6 = IN6ADDR_ANY_INIT;
-
NEXT_ARG();
check_duparg(&attrs, IFLA_VXLAN_LOCAL, "local", *argv);
- 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))
+ get_addr(&saddr, *argv, daddr.family);
+ if (!is_addrtype_inet_not_multi(&saddr))
invarg("invalid local address", *argv);
-
- if (saddr)
- addattr_l(n, 1024, IFLA_VXLAN_LOCAL, &saddr, 4);
- else if (!IN6_IS_ADDR_UNSPECIFIED(&saddr6))
- addattr_l(n, 1024, IFLA_VXLAN_LOCAL6, &saddr6,
- sizeof(struct in6_addr));
} else if (!matches(*argv, "dev")) {
unsigned int link;
NEXT_ARG();
check_duparg(&attrs, IFLA_VXLAN_LINK, "dev", *argv);
- link = if_nametoindex(*argv);
- if (link == 0) {
- fprintf(stderr, "Cannot find device \"%s\"\n",
- *argv);
- exit(-1);
- }
+ link = ll_name_to_index(*argv);
+ if (!link)
+ exit(nodev(*argv));
addattr32(n, 1024, IFLA_VXLAN_LINK, link);
} else if (!matches(*argv, "ttl") ||
!matches(*argv, "hoplimit")) {
NEXT_ARG();
check_duparg(&attrs, IFLA_VXLAN_TTL, "ttl", *argv);
- if (strcmp(*argv, "inherit") != 0) {
+ if (strcmp(*argv, "inherit") == 0) {
+ addattr(n, 1024, IFLA_VXLAN_TTL_INHERIT);
+ } else if (strcmp(*argv, "auto") == 0) {
+ addattr8(n, 1024, IFLA_VXLAN_TTL, ttl);
+ } else {
if (get_unsigned(&uval, *argv, 0))
invarg("invalid TTL", *argv);
if (uval > 255)
invarg("TTL must be <= 255", *argv);
ttl = uval;
+ addattr8(n, 1024, IFLA_VXLAN_TTL, ttl);
}
- addattr8(n, 1024, IFLA_VXLAN_TTL, ttl);
} else if (!matches(*argv, "tos") ||
!matches(*argv, "dsfield")) {
__u32 uval;
} else
tos = 1;
addattr8(n, 1024, IFLA_VXLAN_TOS, tos);
+ } else if (!matches(*argv, "df")) {
+ enum ifla_vxlan_df df;
+
+ NEXT_ARG();
+ check_duparg(&attrs, IFLA_VXLAN_DF, "df", *argv);
+ if (strcmp(*argv, "unset") == 0)
+ df = VXLAN_DF_UNSET;
+ else if (strcmp(*argv, "set") == 0)
+ df = VXLAN_DF_SET;
+ else if (strcmp(*argv, "inherit") == 0)
+ df = VXLAN_DF_INHERIT;
+ else
+ invarg("DF must be 'unset', 'set' or 'inherit'",
+ *argv);
+
+ addattr8(n, 1024, IFLA_VXLAN_DF, df);
} else if (!matches(*argv, "label") ||
!matches(*argv, "flowlabel")) {
__u32 uval;
return -1;
}
- if (!metadata && !VXLAN_ATTRSET(attrs, IFLA_VXLAN_ID)) {
+ if (!metadata && !VXLAN_ATTRSET(attrs, IFLA_VXLAN_ID) && !set_op) {
fprintf(stderr, "vxlan: missing virtual network identifier\n");
return -1;
}
- if ((gaddr || !IN6_IS_ADDR_UNSPECIFIED(&gaddr6)) &&
+ if (is_addrtype_inet_multi(&daddr) &&
!VXLAN_ATTRSET(attrs, IFLA_VXLAN_LINK)) {
fprintf(stderr, "vxlan: 'group' requires 'dev' to be specified\n");
return -1;
"Use 'dstport 0' to get default and quiet this message\n");
}
- addattr32(n, 1024, IFLA_VXLAN_ID, vni);
- if (gaddr)
- addattr_l(n, 1024, IFLA_VXLAN_GROUP, &gaddr, 4);
- else if (daddr)
- addattr_l(n, 1024, IFLA_VXLAN_GROUP, &daddr, 4);
- else if (!IN6_IS_ADDR_UNSPECIFIED(&gaddr6))
- addattr_l(n, 1024, IFLA_VXLAN_GROUP6, &gaddr6, sizeof(struct in6_addr));
- else if (!IN6_IS_ADDR_UNSPECIFIED(&daddr6))
- addattr_l(n, 1024, IFLA_VXLAN_GROUP6, &daddr6, sizeof(struct in6_addr));
- else if (preferred_family == AF_INET)
- addattr_l(n, 1024, IFLA_VXLAN_GROUP, &daddr, 4);
- else if (preferred_family == AF_INET6)
- addattr_l(n, 1024, IFLA_VXLAN_GROUP6, &daddr6, sizeof(struct in6_addr));
+ if (VXLAN_ATTRSET(attrs, IFLA_VXLAN_ID))
+ addattr32(n, 1024, IFLA_VXLAN_ID, vni);
+
+ if (is_addrtype_inet(&saddr)) {
+ int type = (saddr.family == AF_INET) ? IFLA_VXLAN_LOCAL
+ : IFLA_VXLAN_LOCAL6;
+ addattr_l(n, 1024, type, saddr.data, saddr.bytelen);
+ selected_family = true;
+ }
+
+ if (is_addrtype_inet(&daddr)) {
+ int type = (daddr.family == AF_INET) ? IFLA_VXLAN_GROUP
+ : IFLA_VXLAN_GROUP6;
+ addattr_l(n, 1024, type, daddr.data, daddr.bytelen);
+ selected_family = true;
+ }
+
+ if (!selected_family) {
+ if (preferred_family == AF_INET) {
+ get_addr(&daddr, "default", AF_INET);
+ addattr_l(n, 1024, IFLA_VXLAN_GROUP,
+ daddr.data, daddr.bytelen);
+ } else if (preferred_family == AF_INET6) {
+ get_addr(&daddr, "default", AF_INET6);
+ addattr_l(n, 1024, IFLA_VXLAN_GROUP6,
+ daddr.data, daddr.bytelen);
+ }
+ }
if (!set_op || VXLAN_ATTRSET(attrs, IFLA_VXLAN_LEARNING))
addattr8(n, 1024, IFLA_VXLAN_LEARNING, learning);
static void vxlan_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[])
{
__u32 vni;
- unsigned int link;
- __u8 tos;
+ __u8 ttl = 0;
+ __u8 tos = 0;
__u32 maxaddr;
- char s2[64];
if (!tb)
return;
+ if (tb[IFLA_VXLAN_COLLECT_METADATA] &&
+ rta_getattr_u8(tb[IFLA_VXLAN_COLLECT_METADATA])) {
+ print_bool(PRINT_ANY, "external", "external", true);
+ return;
+ }
+
if (!tb[IFLA_VXLAN_ID] ||
RTA_PAYLOAD(tb[IFLA_VXLAN_ID]) < sizeof(__u32))
return;
vni = rta_getattr_u32(tb[IFLA_VXLAN_ID]);
- fprintf(f, "id %u ", vni);
+ print_uint(PRINT_ANY, "id", "id %u ", vni);
if (tb[IFLA_VXLAN_GROUP]) {
__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));
+ print_string(PRINT_ANY,
+ "group",
+ "group %s ",
+ format_host(AF_INET, 4, &addr));
else
- fprintf(f, "remote %s ",
- format_host(AF_INET, 4, &addr));
+ 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))
- fprintf(f, "group %s ",
- format_host(AF_INET6, sizeof(struct in6_addr), &addr));
+ print_string(PRINT_ANY,
+ "group6",
+ "group %s ",
+ format_host(AF_INET6,
+ sizeof(struct in6_addr),
+ &addr));
else
- fprintf(f, "remote %s ",
- format_host(AF_INET6, sizeof(struct in6_addr), &addr));
+ print_string(PRINT_ANY,
+ "remote6",
+ "remote %s ",
+ format_host(AF_INET6,
+ sizeof(struct in6_addr),
+ &addr));
}
}
__be32 addr = rta_getattr_u32(tb[IFLA_VXLAN_LOCAL]);
if (addr)
- fprintf(f, "local %s ",
- format_host(AF_INET, 4, &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))
- fprintf(f, "local %s ",
- format_host(AF_INET6, sizeof(struct in6_addr), &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 (tb[IFLA_VXLAN_LINK]) {
+ unsigned int link = rta_getattr_u32(tb[IFLA_VXLAN_LINK]);
- if (n)
- fprintf(f, "dev %s ", n);
- else
- fprintf(f, "dev %u ", link);
+ if (link) {
+ print_string(PRINT_ANY, "link", "dev %s ",
+ ll_index_to_name(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 (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])
- fprintf(f, "dstport %u ",
- rta_getattr_be16(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]);
- if (tb[IFLA_VXLAN_LEARNING] &&
- !rta_getattr_u8(tb[IFLA_VXLAN_LEARNING]))
- fputs("nolearning ", f);
+ 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]))
- fputs("proxy ", f);
+ print_bool(PRINT_ANY, "proxy", "proxy ", true);
if (tb[IFLA_VXLAN_RSC] && rta_getattr_u8(tb[IFLA_VXLAN_RSC]))
- fputs("rsc ", f);
+ print_bool(PRINT_ANY, "rsc", "rsc ", true);
if (tb[IFLA_VXLAN_L2MISS] && rta_getattr_u8(tb[IFLA_VXLAN_L2MISS]))
- fputs("l2miss ", f);
+ print_bool(PRINT_ANY, "l2miss", "l2miss ", true);
if (tb[IFLA_VXLAN_L3MISS] && rta_getattr_u8(tb[IFLA_VXLAN_L3MISS]))
- fputs("l3miss ", f);
+ print_bool(PRINT_ANY, "l3miss", "l3miss ", true);
+
+ if (tb[IFLA_VXLAN_TOS])
+ tos = rta_getattr_u8(tb[IFLA_VXLAN_TOS]);
+ if (tos) {
+ if (is_json_context() || tos != 1)
+ print_0xhex(PRINT_ANY, "tos", "tos %#llx ", tos);
+ else
+ print_string(PRINT_FP, NULL, "tos %s ", "inherit");
+ }
- if (tb[IFLA_VXLAN_TOS] &&
- (tos = rta_getattr_u8(tb[IFLA_VXLAN_TOS]))) {
- if (tos == 1)
- fprintf(f, "tos inherit ");
+ if (tb[IFLA_VXLAN_TTL_INHERIT] &&
+ rta_getattr_u8(tb[IFLA_VXLAN_TTL_INHERIT])) {
+ print_string(PRINT_FP, NULL, "ttl %s ", "inherit");
+ } else if (tb[IFLA_VXLAN_TTL]) {
+ ttl = rta_getattr_u8(tb[IFLA_VXLAN_TTL]);
+ if (is_json_context() || ttl)
+ print_uint(PRINT_ANY, "ttl", "ttl %u ", ttl);
else
- fprintf(f, "tos %#x ", tos);
+ print_string(PRINT_FP, NULL, "ttl %s ", "auto");
}
- if (tb[IFLA_VXLAN_TTL]) {
- __u8 ttl = rta_getattr_u8(tb[IFLA_VXLAN_TTL]);
+ if (tb[IFLA_VXLAN_DF]) {
+ enum ifla_vxlan_df df = rta_getattr_u8(tb[IFLA_VXLAN_DF]);
- if (ttl)
- fprintf(f, "ttl %d ", ttl);
+ if (df == VXLAN_DF_UNSET)
+ print_string(PRINT_JSON, "df", "df %s ", "unset");
+ else if (df == VXLAN_DF_SET)
+ print_string(PRINT_ANY, "df", "df %s ", "set");
+ else if (df == VXLAN_DF_INHERIT)
+ print_string(PRINT_ANY, "df", "df %s ", "inherit");
}
if (tb[IFLA_VXLAN_LABEL]) {
__u32 label = rta_getattr_u32(tb[IFLA_VXLAN_LABEL]);
if (label)
- fprintf(f, "flowlabel %#x ", ntohl(label));
+ print_0xhex(PRINT_ANY, "label",
+ "flowlabel %#llx ", ntohl(label));
}
if (tb[IFLA_VXLAN_AGEING]) {
__u32 age = rta_getattr_u32(tb[IFLA_VXLAN_AGEING]);
if (age == 0)
- fprintf(f, "ageing none ");
+ print_uint(PRINT_ANY, "ageing", "ageing none ", 0);
else
- fprintf(f, "ageing %u ", age);
+ print_uint(PRINT_ANY, "ageing", "ageing %u ", age);
}
if (tb[IFLA_VXLAN_LIMIT] &&
((maxaddr = rta_getattr_u32(tb[IFLA_VXLAN_LIMIT])) != 0))
- fprintf(f, "maxaddr %u ", maxaddr);
+ print_uint(PRINT_ANY, "limit", "maxaddr %u ", maxaddr);
if (tb[IFLA_VXLAN_UDP_CSUM]) {
- if (!rta_getattr_u8(tb[IFLA_VXLAN_UDP_CSUM]))
- fputs("no", f);
- fputs("udpcsum ", f);
+ __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]) {
- if (!rta_getattr_u8(tb[IFLA_VXLAN_UDP_ZERO_CSUM6_TX]))
- fputs("no", f);
- fputs("udp6zerocsumtx ", f);
+ __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]) {
- if (!rta_getattr_u8(tb[IFLA_VXLAN_UDP_ZERO_CSUM6_RX]))
- fputs("no", f);
- fputs("udp6zerocsumrx ", f);
+ __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]))
- fputs("remcsumtx ", f);
+ print_bool(PRINT_ANY, "remcsum_tx", "remcsumtx ", true);
if (tb[IFLA_VXLAN_REMCSUM_RX] &&
rta_getattr_u8(tb[IFLA_VXLAN_REMCSUM_RX]))
- fputs("remcsumrx ", f);
-
- if (tb[IFLA_VXLAN_COLLECT_METADATA] &&
- rta_getattr_u8(tb[IFLA_VXLAN_COLLECT_METADATA]))
- fputs("external ", f);
+ print_bool(PRINT_ANY, "remcsum_rx", "remcsumrx ", true);
if (tb[IFLA_VXLAN_GBP])
- fputs("gbp ", f);
+ print_bool(PRINT_ANY, "gbp", "gbp ", true);
if (tb[IFLA_VXLAN_GPE])
- fputs("gpe ", f);
+ print_bool(PRINT_ANY, "gpe", "gpe ", true);
}
static void vxlan_print_help(struct link_util *lu, int argc, char **argv,
- FILE *f)
+ FILE *f)
{
print_explain(f);
}