#include <sys/socket.h>
#include <arpa/inet.h>
+#include <linux/in.h>
#include <linux/ip.h>
#include <linux/if_tunnel.h>
#include "rt_names.h"
#include "ip_common.h"
#include "tunnel.h"
-static void print_usage(FILE *f, int sit)
+static void iptunnel_print_help(struct link_util *lu, int argc, char **argv,
+ FILE *f)
{
- fprintf(f, "Usage: ip link { add | set | change | replace | del } NAME\n");
- fprintf(f, " type { ipip | sit } [ remote ADDR ] [ local ADDR ]\n");
- fprintf(f, " [ ttl TTL ] [ tos TOS ] [ [no]pmtudisc ] [ dev PHYS_DEV ]\n");
- fprintf(f, " [ 6rd-prefix ADDR ] [ 6rd-relay_prefix ADDR ] [ 6rd-reset ]\n");
- if (sit) {
- fprintf(f, " [ mode { ip6ip | ipip | any } ]\n");
- fprintf(f, " [ isatap ]\n");
+ const char *mode;
+
+ fprintf(f,
+ "Usage: ... %-6s [ remote ADDR ]\n",
+ lu->id
+ );
+ fprintf(f,
+ " [ local ADDR ]\n"
+ " [ ttl TTL ]\n"
+ " [ tos TOS ]\n"
+ " [ [no]pmtudisc ]\n"
+ " [ 6rd-prefix ADDR ]\n"
+ " [ 6rd-relay_prefix ADDR ]\n"
+ " [ 6rd-reset ]\n"
+ " [ dev PHYS_DEV ]\n"
+ " [ fwmark MARK ]\n"
+ " [ external ]\n"
+ " [ noencap ]\n"
+ " [ encap { fou | gue | none } ]\n"
+ " [ encap-sport PORT ]\n"
+ " [ encap-dport PORT ]\n"
+ " [ [no]encap-csum ]\n"
+ " [ [no]encap-csum6 ]\n"
+ " [ [no]encap-remcsum ]\n"
+ );
+ if (strcmp(lu->id, "sit") == 0) {
+ mode = "{ ip6ip | ipip | mplsip | any } ]\n"
+ " [ isatap";
+ } else {
+ mode = "{ ipip | mplsip | any }";
}
- fprintf(f, "\n");
- fprintf(f, "Where: NAME := STRING\n");
- fprintf(f, " ADDR := { IP_ADDRESS | any }\n");
- fprintf(f, " TOS := { NUMBER | inherit }\n");
- fprintf(f, " TTL := { 1..255 | inherit }\n");
-}
-
-static void usage(int sit) __attribute__((noreturn));
-static void usage(int sit)
-{
- print_usage(stderr, sit);
- exit(-1);
+ fprintf(f,
+ " [ mode %s ]\n"
+ "\n",
+ mode
+ );
+ fprintf(f,
+ "Where: ADDR := { IP_ADDRESS | any }\n"
+ " TOS := { NUMBER | inherit }\n"
+ " TTL := { 1..255 | inherit }\n"
+ " MARK := { 0x0..0xffffffff }\n"
+ );
}
static int iptunnel_parse_opt(struct link_util *lu, int argc, char **argv,
struct nlmsghdr *n)
{
+ struct ifinfomsg *ifi = NLMSG_DATA(n);
struct {
struct nlmsghdr n;
struct ifinfomsg i;
- char buf[2048];
- } req;
- struct ifinfomsg *ifi = (struct ifinfomsg *)(n + 1);
+ } req = {
+ .n.nlmsg_len = NLMSG_LENGTH(sizeof(*ifi)),
+ .n.nlmsg_flags = NLM_F_REQUEST,
+ .n.nlmsg_type = RTM_GETLINK,
+ .i.ifi_family = preferred_family,
+ .i.ifi_index = ifi->ifi_index,
+ };
+ struct nlmsghdr *answer;
struct rtattr *tb[IFLA_MAX + 1];
struct rtattr *linkinfo[IFLA_INFO_MAX+1];
struct rtattr *iptuninfo[IFLA_IPTUN_MAX + 1];
int len;
- __u32 link = 0;
- __u32 laddr = 0;
- __u32 raddr = 0;
- __u8 ttl = 0;
- __u8 tos = 0;
+ inet_prefix saddr, daddr, ip6rdprefix, ip6rdrelayprefix;
__u8 pmtudisc = 1;
+ __u8 tos = 0;
__u16 iflags = 0;
+ __u8 ttl = 0;
__u8 proto = 0;
- struct in6_addr ip6rdprefix;
- __u16 ip6rdprefixlen = 0;
- __u32 ip6rdrelayprefix = 0;
- __u16 ip6rdrelayprefixlen = 0;
+ __u32 link = 0;
+ __u16 encaptype = 0;
+ __u16 encapflags = 0;
+ __u16 encapsport = 0;
+ __u16 encapdport = 0;
+ __u8 metadata = 0;
+ __u32 fwmark = 0;
- memset(&ip6rdprefix, 0, sizeof(ip6rdprefix));
+ inet_prefix_reset(&saddr);
+ inet_prefix_reset(&daddr);
- if (!(n->nlmsg_flags & NLM_F_CREATE)) {
- memset(&req, 0, sizeof(req));
+ inet_prefix_reset(&ip6rdprefix);
+ inet_prefix_reset(&ip6rdrelayprefix);
- req.n.nlmsg_len = NLMSG_LENGTH(sizeof(*ifi));
- req.n.nlmsg_flags = NLM_F_REQUEST;
- req.n.nlmsg_type = RTM_GETLINK;
- req.i.ifi_family = preferred_family;
- req.i.ifi_index = ifi->ifi_index;
+ if (!(n->nlmsg_flags & NLM_F_CREATE)) {
+ const struct rtattr *rta;
- if (rtnl_talk(&rth, &req.n, 0, 0, &req.n) < 0) {
+ if (rtnl_talk(&rth, &req.n, &answer) < 0) {
get_failed:
fprintf(stderr,
"Failed to get existing tunnel info.\n");
return -1;
}
- len = req.n.nlmsg_len;
+ len = answer->nlmsg_len;
len -= NLMSG_LENGTH(sizeof(*ifi));
if (len < 0)
goto get_failed;
- parse_rtattr(tb, IFLA_MAX, IFLA_RTA(&req.i), len);
+ parse_rtattr(tb, IFLA_MAX, IFLA_RTA(NLMSG_DATA(answer)), len);
if (!tb[IFLA_LINKINFO])
goto get_failed;
parse_rtattr_nested(iptuninfo, IFLA_IPTUN_MAX,
linkinfo[IFLA_INFO_DATA]);
- if (iptuninfo[IFLA_IPTUN_LOCAL])
- laddr = rta_getattr_u32(iptuninfo[IFLA_IPTUN_LOCAL]);
+ rta = iptuninfo[IFLA_IPTUN_LOCAL];
+ if (rta && get_addr_rta(&saddr, rta, AF_INET))
+ goto get_failed;
+
+ rta = iptuninfo[IFLA_IPTUN_REMOTE];
+ if (rta && get_addr_rta(&daddr, rta, AF_INET))
+ goto get_failed;
+
+ rta = iptuninfo[IFLA_IPTUN_6RD_PREFIX];
+ if (rta && get_addr_rta(&ip6rdprefix, rta, AF_INET6))
+ goto get_failed;
+
+ rta = iptuninfo[IFLA_IPTUN_6RD_RELAY_PREFIX];
+ if (rta && get_addr_rta(&ip6rdrelayprefix, rta, AF_INET))
+ goto get_failed;
+
+ rta = iptuninfo[IFLA_IPTUN_6RD_PREFIXLEN];
+ ip6rdprefix.bitlen = rta ? rta_getattr_u16(rta) : 0;
- if (iptuninfo[IFLA_IPTUN_REMOTE])
- raddr = rta_getattr_u32(iptuninfo[IFLA_IPTUN_REMOTE]);
+ rta = iptuninfo[IFLA_IPTUN_6RD_RELAY_PREFIXLEN];
+ ip6rdrelayprefix.bitlen = rta ? rta_getattr_u16(rta) : 0;
if (iptuninfo[IFLA_IPTUN_TTL])
ttl = rta_getattr_u8(iptuninfo[IFLA_IPTUN_TTL]);
- if (iptuninfo[IFLA_IPTUN_TOS])
- tos = rta_getattr_u8(iptuninfo[IFLA_IPTUN_TOS]);
-
if (iptuninfo[IFLA_IPTUN_PMTUDISC])
pmtudisc =
rta_getattr_u8(iptuninfo[IFLA_IPTUN_PMTUDISC]);
+ if (iptuninfo[IFLA_IPTUN_TOS])
+ tos = rta_getattr_u8(iptuninfo[IFLA_IPTUN_TOS]);
+
if (iptuninfo[IFLA_IPTUN_FLAGS])
iflags = rta_getattr_u16(iptuninfo[IFLA_IPTUN_FLAGS]);
if (iptuninfo[IFLA_IPTUN_PROTO])
proto = rta_getattr_u8(iptuninfo[IFLA_IPTUN_PROTO]);
- if (iptuninfo[IFLA_IPTUN_6RD_PREFIX])
- memcpy(&ip6rdprefix,
- RTA_DATA(iptuninfo[IFLA_IPTUN_6RD_PREFIX]),
- sizeof(laddr));
+ if (iptuninfo[IFLA_IPTUN_ENCAP_TYPE])
+ encaptype = rta_getattr_u16(iptuninfo[IFLA_IPTUN_ENCAP_TYPE]);
+ if (iptuninfo[IFLA_IPTUN_ENCAP_FLAGS])
+ encapflags = rta_getattr_u16(iptuninfo[IFLA_IPTUN_ENCAP_FLAGS]);
+ if (iptuninfo[IFLA_IPTUN_ENCAP_SPORT])
+ encapsport = rta_getattr_u16(iptuninfo[IFLA_IPTUN_ENCAP_SPORT]);
+ if (iptuninfo[IFLA_IPTUN_ENCAP_DPORT])
+ encapdport = rta_getattr_u16(iptuninfo[IFLA_IPTUN_ENCAP_DPORT]);
- if (iptuninfo[IFLA_IPTUN_6RD_PREFIXLEN])
- ip6rdprefixlen =
- rta_getattr_u16(iptuninfo[IFLA_IPTUN_6RD_PREFIXLEN]);
+ if (iptuninfo[IFLA_IPTUN_COLLECT_METADATA])
+ metadata = 1;
- if (iptuninfo[IFLA_IPTUN_6RD_RELAY_PREFIX])
- ip6rdrelayprefix =
- rta_getattr_u32(iptuninfo[IFLA_IPTUN_6RD_RELAY_PREFIX]);
+ if (iptuninfo[IFLA_IPTUN_FWMARK])
+ fwmark = rta_getattr_u32(iptuninfo[IFLA_IPTUN_FWMARK]);
- if (iptuninfo[IFLA_IPTUN_6RD_RELAY_PREFIXLEN])
- ip6rdrelayprefixlen =
- rta_getattr_u16(iptuninfo[IFLA_IPTUN_6RD_RELAY_PREFIXLEN]);
+ free(answer);
}
while (argc > 0) {
- if (strcmp(*argv, "remote") == 0) {
+ if (strcmp(*argv, "mode") == 0) {
NEXT_ARG();
- if (strcmp(*argv, "any"))
- raddr = get_addr32(*argv);
+ if (strcmp(lu->id, "sit") == 0 &&
+ (strcmp(*argv, "ipv6/ipv4") == 0 ||
+ strcmp(*argv, "ip6ip") == 0))
+ proto = IPPROTO_IPV6;
+ else if (strcmp(*argv, "ipv4/ipv4") == 0 ||
+ strcmp(*argv, "ipip") == 0 ||
+ strcmp(*argv, "ip4ip4") == 0)
+ proto = IPPROTO_IPIP;
+ else if (strcmp(*argv, "mpls/ipv4") == 0 ||
+ strcmp(*argv, "mplsip") == 0)
+ proto = IPPROTO_MPLS;
+ else if (strcmp(*argv, "any/ipv4") == 0 ||
+ strcmp(*argv, "any") == 0)
+ proto = 0;
else
- raddr = 0;
+ invarg("Cannot guess tunnel mode.", *argv);
+ } else if (strcmp(*argv, "remote") == 0) {
+ NEXT_ARG();
+ get_addr(&daddr, *argv, AF_INET);
} else if (strcmp(*argv, "local") == 0) {
NEXT_ARG();
- if (strcmp(*argv, "any"))
- laddr = get_addr32(*argv);
- else
- laddr = 0;
+ get_addr(&saddr, *argv, AF_INET);
} else if (matches(*argv, "dev") == 0) {
NEXT_ARG();
- link = if_nametoindex(*argv);
- if (link == 0)
- invarg("\"dev\" is invalid", *argv);
+ link = ll_name_to_index(*argv);
+ if (!link)
+ exit(nodev(*argv));
} else if (strcmp(*argv, "ttl") == 0 ||
- strcmp(*argv, "hoplimit") == 0) {
+ strcmp(*argv, "hoplimit") == 0 ||
+ strcmp(*argv, "hlim") == 0) {
NEXT_ARG();
if (strcmp(*argv, "inherit") != 0) {
if (get_u8(&ttl, *argv, 0))
ttl = 0;
} else if (strcmp(*argv, "tos") == 0 ||
strcmp(*argv, "tclass") == 0 ||
+ strcmp(*argv, "tc") == 0 ||
matches(*argv, "dsfield") == 0) {
__u32 uval;
+
NEXT_ARG();
if (strcmp(*argv, "inherit") != 0) {
if (rtnl_dsfield_a2n(&uval, *argv))
} else if (strcmp(lu->id, "sit") == 0 &&
strcmp(*argv, "isatap") == 0) {
iflags |= SIT_ISATAP;
- } else if (strcmp(lu->id, "sit") == 0 &&
- strcmp(*argv, "mode") == 0) {
+ } else if (strcmp(*argv, "noencap") == 0) {
+ encaptype = TUNNEL_ENCAP_NONE;
+ } else if (strcmp(*argv, "encap") == 0) {
NEXT_ARG();
- if (strcmp(*argv, "ipv6/ipv4") == 0 ||
- strcmp(*argv, "ip6ip") == 0)
- proto = IPPROTO_IPV6;
- else if (strcmp(*argv, "ipv4/ipv4") == 0 ||
- strcmp(*argv, "ipip") == 0 ||
- strcmp(*argv, "ip4ip4") == 0)
- proto = IPPROTO_IPIP;
- else if (strcmp(*argv, "any/ipv4") == 0 ||
- strcmp(*argv, "any") == 0)
- proto = 0;
+ if (strcmp(*argv, "fou") == 0)
+ encaptype = TUNNEL_ENCAP_FOU;
+ else if (strcmp(*argv, "gue") == 0)
+ encaptype = TUNNEL_ENCAP_GUE;
+ else if (strcmp(*argv, "none") == 0)
+ encaptype = TUNNEL_ENCAP_NONE;
else
- invarg("Cannot guess tunnel mode.", *argv);
+ invarg("Invalid encap type.", *argv);
+ } else if (strcmp(*argv, "encap-sport") == 0) {
+ NEXT_ARG();
+ if (strcmp(*argv, "auto") == 0)
+ encapsport = 0;
+ else if (get_u16(&encapsport, *argv, 0))
+ invarg("Invalid source port.", *argv);
+ } else if (strcmp(*argv, "encap-dport") == 0) {
+ NEXT_ARG();
+ if (get_u16(&encapdport, *argv, 0))
+ invarg("Invalid destination port.", *argv);
+ } else if (strcmp(*argv, "encap-csum") == 0) {
+ encapflags |= TUNNEL_ENCAP_FLAG_CSUM;
+ } else if (strcmp(*argv, "noencap-csum") == 0) {
+ encapflags &= ~TUNNEL_ENCAP_FLAG_CSUM;
+ } else if (strcmp(*argv, "encap-udp6-csum") == 0) {
+ encapflags |= TUNNEL_ENCAP_FLAG_CSUM6;
+ } else if (strcmp(*argv, "noencap-udp6-csum") == 0) {
+ encapflags &= ~TUNNEL_ENCAP_FLAG_CSUM6;
+ } else if (strcmp(*argv, "encap-remcsum") == 0) {
+ encapflags |= TUNNEL_ENCAP_FLAG_REMCSUM;
+ } else if (strcmp(*argv, "noencap-remcsum") == 0) {
+ encapflags &= ~TUNNEL_ENCAP_FLAG_REMCSUM;
+ } else if (strcmp(*argv, "external") == 0) {
+ metadata = 1;
} else if (strcmp(*argv, "6rd-prefix") == 0) {
- inet_prefix prefix;
NEXT_ARG();
- if (get_prefix(&prefix, *argv, AF_INET6))
+ if (get_prefix(&ip6rdprefix, *argv, AF_INET6))
invarg("invalid 6rd_prefix\n", *argv);
- memcpy(&ip6rdprefix, prefix.data, 16);
- ip6rdprefixlen = prefix.bitlen;
} else if (strcmp(*argv, "6rd-relay_prefix") == 0) {
- inet_prefix prefix;
NEXT_ARG();
- if (get_prefix(&prefix, *argv, AF_INET))
+ if (get_prefix(&ip6rdrelayprefix, *argv, AF_INET))
invarg("invalid 6rd-relay_prefix\n", *argv);
- memcpy(&ip6rdrelayprefix, prefix.data, 4);
- ip6rdrelayprefixlen = prefix.bitlen;
} else if (strcmp(*argv, "6rd-reset") == 0) {
- inet_prefix prefix;
- get_prefix(&prefix, "2002::", AF_INET6);
- memcpy(&ip6rdprefix, prefix.data, 16);
- ip6rdprefixlen = 16;
- ip6rdrelayprefix = 0;
- ip6rdrelayprefixlen = 0;
- } else
- usage(strcmp(lu->id, "sit") == 0);
+ get_prefix(&ip6rdprefix, "2002::/16", AF_INET6);
+ inet_prefix_reset(&ip6rdrelayprefix);
+ } else if (strcmp(*argv, "fwmark") == 0) {
+ NEXT_ARG();
+ if (get_u32(&fwmark, *argv, 0))
+ invarg("invalid fwmark\n", *argv);
+ } else {
+ iptunnel_print_help(lu, argc, argv, stderr);
+ return -1;
+ }
argc--, argv++;
}
exit(-1);
}
- addattr32(n, 1024, IFLA_IPTUN_LINK, link);
- addattr32(n, 1024, IFLA_IPTUN_LOCAL, laddr);
- addattr32(n, 1024, IFLA_IPTUN_REMOTE, raddr);
- addattr8(n, 1024, IFLA_IPTUN_TTL, ttl);
- addattr8(n, 1024, IFLA_IPTUN_TOS, tos);
+ addattr8(n, 1024, IFLA_IPTUN_PROTO, proto);
+ if (metadata) {
+ addattr_l(n, 1024, IFLA_IPTUN_COLLECT_METADATA, NULL, 0);
+ return 0;
+ }
+
+ if (is_addrtype_inet_not_unspec(&saddr)) {
+ addattr_l(n, 1024, IFLA_IPTUN_LOCAL,
+ saddr.data, saddr.bytelen);
+ }
+ if (is_addrtype_inet_not_unspec(&daddr)) {
+ addattr_l(n, 1024, IFLA_IPTUN_REMOTE,
+ daddr.data, daddr.bytelen);
+ }
addattr8(n, 1024, IFLA_IPTUN_PMTUDISC, pmtudisc);
+ addattr8(n, 1024, IFLA_IPTUN_TOS, tos);
+ addattr8(n, 1024, IFLA_IPTUN_TTL, ttl);
+ addattr32(n, 1024, IFLA_IPTUN_LINK, link);
+ addattr32(n, 1024, IFLA_IPTUN_FWMARK, fwmark);
+
+ addattr16(n, 1024, IFLA_IPTUN_ENCAP_TYPE, encaptype);
+ addattr16(n, 1024, IFLA_IPTUN_ENCAP_FLAGS, encapflags);
+ addattr16(n, 1024, IFLA_IPTUN_ENCAP_SPORT, htons(encapsport));
+ addattr16(n, 1024, IFLA_IPTUN_ENCAP_DPORT, htons(encapdport));
+
if (strcmp(lu->id, "sit") == 0) {
addattr16(n, 1024, IFLA_IPTUN_FLAGS, iflags);
- addattr8(n, 1024, IFLA_IPTUN_PROTO, proto);
- if (ip6rdprefixlen) {
+ if (is_addrtype_inet(&ip6rdprefix)) {
addattr_l(n, 1024, IFLA_IPTUN_6RD_PREFIX,
- &ip6rdprefix, sizeof(ip6rdprefix));
+ ip6rdprefix.data, ip6rdprefix.bytelen);
addattr16(n, 1024, IFLA_IPTUN_6RD_PREFIXLEN,
- ip6rdprefixlen);
+ ip6rdprefix.bitlen);
+ }
+ if (is_addrtype_inet(&ip6rdrelayprefix)) {
addattr32(n, 1024, IFLA_IPTUN_6RD_RELAY_PREFIX,
- ip6rdrelayprefix);
+ ip6rdrelayprefix.data[0]);
addattr16(n, 1024, IFLA_IPTUN_6RD_RELAY_PREFIXLEN,
- ip6rdrelayprefixlen);
+ ip6rdrelayprefix.bitlen);
}
}
static void iptunnel_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[])
{
- char s1[1024];
char s2[64];
- const char *local = "any";
- const char *remote = "any";
+ __u16 prefixlen;
+ __u8 ttl = 0;
+ __u8 tos = 0;
if (!tb)
return;
- if (tb[IFLA_IPTUN_REMOTE]) {
- unsigned addr = rta_getattr_u32(tb[IFLA_IPTUN_REMOTE]);
-
- if (addr)
- remote = format_host(AF_INET, 4, &addr, s1, sizeof(s1));
+ if (tb[IFLA_IPTUN_COLLECT_METADATA]) {
+ print_bool(PRINT_ANY, "external", "external", true);
+ return;
}
- fprintf(f, "remote %s ", remote);
-
- if (tb[IFLA_IPTUN_LOCAL]) {
- unsigned addr = rta_getattr_u32(tb[IFLA_IPTUN_LOCAL]);
-
- if (addr)
- local = format_host(AF_INET, 4, &addr, s1, sizeof(s1));
+ if (tb[IFLA_IPTUN_PROTO]) {
+ switch (rta_getattr_u8(tb[IFLA_IPTUN_PROTO])) {
+ case IPPROTO_IPIP:
+ print_string(PRINT_ANY, "proto", "%s ", "ipip");
+ break;
+ case IPPROTO_IPV6:
+ print_string(PRINT_ANY, "proto", "%s ", "ip6ip");
+ break;
+ case IPPROTO_MPLS:
+ print_string(PRINT_ANY, "proto", "%s ", "mplsip");
+ break;
+ case 0:
+ print_string(PRINT_ANY, "proto", "%s ", "any");
+ break;
+ }
}
- fprintf(f, "local %s ", local);
+ tnl_print_endpoint("remote", tb[IFLA_IPTUN_REMOTE], AF_INET);
+ tnl_print_endpoint("local", tb[IFLA_IPTUN_LOCAL], AF_INET);
- if (tb[IFLA_IPTUN_LINK] && rta_getattr_u32(tb[IFLA_IPTUN_LINK])) {
- unsigned link = rta_getattr_u32(tb[IFLA_IPTUN_LINK]);
- const char *n = if_indextoname(link, s2);
+ if (tb[IFLA_IPTUN_LINK]) {
+ __u32 link = rta_getattr_u32(tb[IFLA_IPTUN_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_IPTUN_TTL] && rta_getattr_u8(tb[IFLA_IPTUN_TTL]))
- fprintf(f, "ttl %d ", rta_getattr_u8(tb[IFLA_IPTUN_TTL]));
+ if (tb[IFLA_IPTUN_TTL])
+ ttl = rta_getattr_u8(tb[IFLA_IPTUN_TTL]);
+ if (is_json_context() || ttl)
+ print_uint(PRINT_ANY, "ttl", "ttl %u ", ttl);
else
- fprintf(f, "ttl inherit ");
-
- if (tb[IFLA_IPTUN_TOS] && rta_getattr_u8(tb[IFLA_IPTUN_TOS])) {
- int tos = rta_getattr_u8(tb[IFLA_IPTUN_TOS]);
+ print_string(PRINT_FP, NULL, "ttl %s ", "inherit");
- fputs("tos ", f);
- if (tos == 1)
- fputs("inherit ", f);
+ if (tb[IFLA_IPTUN_TOS])
+ tos = rta_getattr_u8(tb[IFLA_IPTUN_TOS]);
+ if (tos) {
+ if (is_json_context() || tos != 1)
+ print_0xhex(PRINT_ANY, "tos", "tos %#llx ", tos);
else
- fprintf(f, "0x%x ", tos);
+ print_string(PRINT_FP, NULL, "tos %s ", "inherit");
}
if (tb[IFLA_IPTUN_PMTUDISC] && rta_getattr_u8(tb[IFLA_IPTUN_PMTUDISC]))
- fprintf(f, "pmtudisc ");
+ print_bool(PRINT_ANY, "pmtudisc", "pmtudisc ", true);
else
- fprintf(f, "nopmtudisc ");
+ print_bool(PRINT_ANY, "pmtudisc", "nopmtudisc ", false);
if (tb[IFLA_IPTUN_FLAGS]) {
__u16 iflags = rta_getattr_u16(tb[IFLA_IPTUN_FLAGS]);
if (iflags & SIT_ISATAP)
- fprintf(f, "isatap ");
+ print_bool(PRINT_ANY, "isatap", "isatap ", true);
}
if (tb[IFLA_IPTUN_6RD_PREFIXLEN] &&
- *(__u16 *)RTA_DATA(tb[IFLA_IPTUN_6RD_PREFIXLEN])) {
- __u16 prefixlen = rta_getattr_u16(tb[IFLA_IPTUN_6RD_PREFIXLEN]);
+ (prefixlen = rta_getattr_u16(tb[IFLA_IPTUN_6RD_PREFIXLEN]))) {
__u16 relayprefixlen =
rta_getattr_u16(tb[IFLA_IPTUN_6RD_RELAY_PREFIXLEN]);
__u32 relayprefix =
rta_getattr_u32(tb[IFLA_IPTUN_6RD_RELAY_PREFIX]);
- printf("6rd-prefix %s/%u ",
- inet_ntop(AF_INET6, RTA_DATA(tb[IFLA_IPTUN_6RD_PREFIX]),
- s1, sizeof(s1)),
- prefixlen);
- if (relayprefix) {
- printf("6rd-relay_prefix %s/%u ",
- format_host(AF_INET, 4, &relayprefix, s1,
- sizeof(s1)),
- relayprefixlen);
+ const char *prefix = inet_ntop(AF_INET6,
+ RTA_DATA(tb[IFLA_IPTUN_6RD_PREFIX]),
+ s2, sizeof(s2));
+
+ if (is_json_context()) {
+ print_string(PRINT_JSON, "prefix", NULL, prefix);
+ print_int(PRINT_JSON, "prefixlen", NULL, prefixlen);
+ if (relayprefix) {
+ print_string(PRINT_JSON,
+ "relay_prefix",
+ NULL,
+ format_host(AF_INET,
+ 4,
+ &relayprefix));
+ print_int(PRINT_JSON,
+ "relay_prefixlen",
+ NULL,
+ relayprefixlen);
+ }
+ } else {
+ printf("6rd-prefix %s/%u ", prefix, prefixlen);
+ if (relayprefix) {
+ printf("6rd-relay_prefix %s/%u ",
+ format_host(AF_INET, 4, &relayprefix),
+ relayprefixlen);
+ }
}
}
-}
-static void iptunnel_print_help(struct link_util *lu, int argc, char **argv,
- FILE *f)
-{
- print_usage(f, strcmp(lu->id, "sit") == 0);
+ if (tb[IFLA_IPTUN_FWMARK]) {
+ __u32 fwmark = rta_getattr_u32(tb[IFLA_IPTUN_FWMARK]);
+
+ if (fwmark) {
+ print_0xhex(PRINT_ANY,
+ "fwmark", "fwmark %#llx ", fwmark);
+ }
+ }
+
+ tnl_print_encap(tb,
+ IFLA_IPTUN_ENCAP_TYPE,
+ IFLA_IPTUN_ENCAP_FLAGS,
+ IFLA_IPTUN_ENCAP_SPORT,
+ IFLA_IPTUN_ENCAP_DPORT);
}
struct link_util ipip_link_util = {
projects / mirror_iproute2.git / blobdiff