#include "ip_common.h"
#include "tunnel.h"
-static void print_usage(FILE *f)
+static void gre_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 { gre | gretap } [ remote ADDR ] [ local ADDR ]\n");
- fprintf(f, " [ [i|o]seq ] [ [i|o]key KEY ] [ [i|o]csum ]\n");
- fprintf(f, " [ ttl TTL ] [ tos TOS ] [ [no]pmtudisc ] [ dev PHYS_DEV ]\n");
- fprintf(f, " [ noencap ] [ encap { fou | gue | none } ]\n");
- fprintf(f, " [ encap-sport PORT ] [ encap-dport PORT ]\n");
- fprintf(f, " [ [no]encap-csum ] [ [no]encap-csum6 ] [ [no]encap-remcsum ]\n");
- 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");
- fprintf(f, " KEY := { DOTTED_QUAD | NUMBER }\n");
-}
-
-static void usage(void) __attribute__((noreturn));
-static void usage(void)
-{
- print_usage(stderr);
- exit(-1);
+ fprintf(f,
+ "Usage: ... %-9s [ remote ADDR ]\n",
+ lu->id
+ );
+ fprintf(f,
+ " [ local ADDR ]\n"
+ " [ [no][i|o]seq ]\n"
+ " [ [i|o]key KEY | no[i|o]key ]\n"
+ " [ [no][i|o]csum ]\n"
+ " [ ttl TTL ]\n"
+ " [ tos TOS ]\n"
+ " [ [no]pmtudisc ]\n"
+ " [ [no]ignore-df ]\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"
+ " [ erspan_ver version ]\n"
+ " [ erspan IDX ]\n"
+ " [ erspan_dir { ingress | egress } ]\n"
+ " [ erspan_hwid hwid ]\n"
+ "\n"
+ );
+ fprintf(f,
+ "Where: ADDR := { IP_ADDRESS | any }\n"
+ " TOS := { NUMBER | inherit }\n"
+ " TTL := { 1..255 | inherit }\n"
+ " KEY := { DOTTED_QUAD | NUMBER }\n"
+ " MARK := { 0x0..0xffffffff }\n"
+ );
}
static int gre_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[1024];
- } 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 *greinfo[IFLA_GRE_MAX + 1];
+ int len;
__u16 iflags = 0;
__u16 oflags = 0;
- unsigned ikey = 0;
- unsigned okey = 0;
- unsigned saddr = 0;
- unsigned daddr = 0;
- unsigned link = 0;
+ __be32 ikey = 0;
+ __be32 okey = 0;
+ inet_prefix saddr, daddr;
__u8 pmtudisc = 1;
- __u8 ttl = 0;
+ __u8 ignore_df = 0;
__u8 tos = 0;
- int len;
+ __u8 ttl = 0;
+ __u32 link = 0;
__u16 encaptype = 0;
__u16 encapflags = 0;
__u16 encapsport = 0;
__u16 encapdport = 0;
+ __u8 metadata = 0;
+ __u32 fwmark = 0;
+ __u32 erspan_idx = 0;
+ __u8 erspan_ver = 0;
+ __u8 erspan_dir = 0;
+ __u16 erspan_hwid = 0;
- if (!(n->nlmsg_flags & NLM_F_CREATE)) {
- memset(&req, 0, sizeof(req));
+ inet_prefix_reset(&saddr);
+ inet_prefix_reset(&daddr);
- 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(greinfo, IFLA_GRE_MAX,
linkinfo[IFLA_INFO_DATA]);
+ rta = greinfo[IFLA_GRE_LOCAL];
+ if (rta && get_addr_rta(&saddr, rta, AF_INET))
+ goto get_failed;
+
+ rta = greinfo[IFLA_GRE_REMOTE];
+ if (rta && get_addr_rta(&daddr, rta, AF_INET))
+ goto get_failed;
+
if (greinfo[IFLA_GRE_IKEY])
ikey = rta_getattr_u32(greinfo[IFLA_GRE_IKEY]);
if (greinfo[IFLA_GRE_OFLAGS])
oflags = rta_getattr_u16(greinfo[IFLA_GRE_OFLAGS]);
- if (greinfo[IFLA_GRE_LOCAL])
- saddr = rta_getattr_u32(greinfo[IFLA_GRE_LOCAL]);
-
- if (greinfo[IFLA_GRE_REMOTE])
- daddr = rta_getattr_u32(greinfo[IFLA_GRE_REMOTE]);
-
if (greinfo[IFLA_GRE_PMTUDISC])
pmtudisc = rta_getattr_u8(
greinfo[IFLA_GRE_PMTUDISC]);
- if (greinfo[IFLA_GRE_TTL])
- ttl = rta_getattr_u8(greinfo[IFLA_GRE_TTL]);
+ if (greinfo[IFLA_GRE_IGNORE_DF])
+ ignore_df =
+ !!rta_getattr_u8(greinfo[IFLA_GRE_IGNORE_DF]);
if (greinfo[IFLA_GRE_TOS])
tos = rta_getattr_u8(greinfo[IFLA_GRE_TOS]);
+ if (greinfo[IFLA_GRE_TTL])
+ ttl = rta_getattr_u8(greinfo[IFLA_GRE_TTL]);
+
if (greinfo[IFLA_GRE_LINK])
- link = rta_getattr_u8(greinfo[IFLA_GRE_LINK]);
+ link = rta_getattr_u32(greinfo[IFLA_GRE_LINK]);
if (greinfo[IFLA_GRE_ENCAP_TYPE])
encaptype = rta_getattr_u16(greinfo[IFLA_GRE_ENCAP_TYPE]);
+
if (greinfo[IFLA_GRE_ENCAP_FLAGS])
encapflags = rta_getattr_u16(greinfo[IFLA_GRE_ENCAP_FLAGS]);
+
if (greinfo[IFLA_GRE_ENCAP_SPORT])
encapsport = rta_getattr_u16(greinfo[IFLA_GRE_ENCAP_SPORT]);
+
if (greinfo[IFLA_GRE_ENCAP_DPORT])
encapdport = rta_getattr_u16(greinfo[IFLA_GRE_ENCAP_DPORT]);
+
+ if (greinfo[IFLA_GRE_COLLECT_METADATA])
+ metadata = 1;
+
+ if (greinfo[IFLA_GRE_FWMARK])
+ fwmark = rta_getattr_u32(greinfo[IFLA_GRE_FWMARK]);
+
+ if (greinfo[IFLA_GRE_ERSPAN_INDEX])
+ erspan_idx = rta_getattr_u32(greinfo[IFLA_GRE_ERSPAN_INDEX]);
+
+ if (greinfo[IFLA_GRE_ERSPAN_VER])
+ erspan_ver = rta_getattr_u8(greinfo[IFLA_GRE_ERSPAN_VER]);
+
+ if (greinfo[IFLA_GRE_ERSPAN_DIR])
+ erspan_dir = rta_getattr_u8(greinfo[IFLA_GRE_ERSPAN_DIR]);
+
+ if (greinfo[IFLA_GRE_ERSPAN_HWID])
+ erspan_hwid = rta_getattr_u16(greinfo[IFLA_GRE_ERSPAN_HWID]);
+
+ free(answer);
}
while (argc > 0) {
if (!matches(*argv, "key")) {
- unsigned uval;
-
NEXT_ARG();
iflags |= GRE_KEY;
oflags |= GRE_KEY;
- if (strchr(*argv, '.'))
- uval = get_addr32(*argv);
- else {
- if (get_unsigned(&uval, *argv, 0) < 0) {
- fprintf(stderr,
- "Invalid value for \"key\": \"%s\"; it should be an unsigned integer\n", *argv);
- exit(-1);
- }
- uval = htonl(uval);
- }
-
- ikey = okey = uval;
+ ikey = okey = tnl_parse_key("key", *argv);
+ } else if (!matches(*argv, "nokey")) {
+ iflags &= ~GRE_KEY;
+ oflags &= ~GRE_KEY;
+ ikey = okey = 0;
} else if (!matches(*argv, "ikey")) {
- unsigned uval;
-
NEXT_ARG();
iflags |= GRE_KEY;
- if (strchr(*argv, '.'))
- uval = get_addr32(*argv);
- else {
- if (get_unsigned(&uval, *argv, 0)<0) {
- fprintf(stderr, "invalid value for \"ikey\": \"%s\"; it should be an unsigned integer\n", *argv);
- exit(-1);
- }
- uval = htonl(uval);
- }
- ikey = uval;
+ ikey = tnl_parse_key("ikey", *argv);
+ } else if (!matches(*argv, "noikey")) {
+ iflags &= ~GRE_KEY;
+ ikey = 0;
} else if (!matches(*argv, "okey")) {
- unsigned uval;
-
NEXT_ARG();
oflags |= GRE_KEY;
- if (strchr(*argv, '.'))
- uval = get_addr32(*argv);
- else {
- if (get_unsigned(&uval, *argv, 0)<0) {
- fprintf(stderr, "invalid value for \"okey\": \"%s\"; it should be an unsigned integer\n", *argv);
- exit(-1);
- }
- uval = htonl(uval);
- }
- okey = uval;
+ okey = tnl_parse_key("okey", *argv);
+ } else if (!matches(*argv, "nookey")) {
+ oflags &= ~GRE_KEY;
+ okey = 0;
} else if (!matches(*argv, "seq")) {
iflags |= GRE_SEQ;
oflags |= GRE_SEQ;
+ } else if (!matches(*argv, "noseq")) {
+ iflags &= ~GRE_SEQ;
+ oflags &= ~GRE_SEQ;
} else if (!matches(*argv, "iseq")) {
iflags |= GRE_SEQ;
+ } else if (!matches(*argv, "noiseq")) {
+ iflags &= ~GRE_SEQ;
} else if (!matches(*argv, "oseq")) {
oflags |= GRE_SEQ;
+ } else if (!matches(*argv, "nooseq")) {
+ oflags &= ~GRE_SEQ;
} else if (!matches(*argv, "csum")) {
iflags |= GRE_CSUM;
oflags |= GRE_CSUM;
+ } else if (!matches(*argv, "nocsum")) {
+ iflags &= ~GRE_CSUM;
+ oflags &= ~GRE_CSUM;
} else if (!matches(*argv, "icsum")) {
iflags |= GRE_CSUM;
+ } else if (!matches(*argv, "noicsum")) {
+ iflags &= ~GRE_CSUM;
} else if (!matches(*argv, "ocsum")) {
oflags |= GRE_CSUM;
+ } else if (!matches(*argv, "noocsum")) {
+ oflags &= ~GRE_CSUM;
} else if (!matches(*argv, "nopmtudisc")) {
pmtudisc = 0;
} else if (!matches(*argv, "pmtudisc")) {
pmtudisc = 1;
} else if (!matches(*argv, "remote")) {
NEXT_ARG();
- if (strcmp(*argv, "any"))
- daddr = get_addr32(*argv);
+ get_addr(&daddr, *argv, AF_INET);
} else if (!matches(*argv, "local")) {
NEXT_ARG();
- if (strcmp(*argv, "any"))
- saddr = get_addr32(*argv);
+ get_addr(&saddr, *argv, AF_INET);
} else if (!matches(*argv, "dev")) {
NEXT_ARG();
- 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));
} else if (!matches(*argv, "ttl") ||
- !matches(*argv, "hoplimit")) {
- unsigned uval;
-
+ !matches(*argv, "hoplimit") ||
+ !matches(*argv, "hlim")) {
NEXT_ARG();
if (strcmp(*argv, "inherit") != 0) {
- if (get_unsigned(&uval, *argv, 0))
+ if (get_u8(&ttl, *argv, 0))
invarg("invalid TTL\n", *argv);
- if (uval > 255)
- invarg("TTL must be <= 255\n", *argv);
- ttl = uval;
- }
+ } else
+ ttl = 0;
} else if (!matches(*argv, "tos") ||
!matches(*argv, "tclass") ||
!matches(*argv, "dsfield")) {
} 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;
+ 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
- usage();
+ encapflags &= ~TUNNEL_ENCAP_FLAG_REMCSUM;
+ } else if (strcmp(*argv, "external") == 0) {
+ metadata = 1;
+ } else if (strcmp(*argv, "ignore-df") == 0) {
+ ignore_df = 1;
+ } else if (strcmp(*argv, "noignore-df") == 0) {
+ /*
+ *only the lsb is significant, use 2 for presence
+ */
+ ignore_df = 2;
+ } else if (strcmp(*argv, "fwmark") == 0) {
+ NEXT_ARG();
+ if (get_u32(&fwmark, *argv, 0))
+ invarg("invalid fwmark\n", *argv);
+ } else if (strcmp(*argv, "erspan") == 0) {
+ NEXT_ARG();
+ if (get_u32(&erspan_idx, *argv, 0))
+ invarg("invalid erspan index\n", *argv);
+ if (erspan_idx & ~((1<<20) - 1) || erspan_idx == 0)
+ invarg("erspan index must be > 0 and <= 20-bit\n", *argv);
+ } else if (strcmp(*argv, "erspan_ver") == 0) {
+ NEXT_ARG();
+ if (get_u8(&erspan_ver, *argv, 0))
+ invarg("invalid erspan version\n", *argv);
+ if (erspan_ver != 1 && erspan_ver != 2)
+ invarg("erspan version must be 1 or 2\n", *argv);
+ } else if (strcmp(*argv, "erspan_dir") == 0) {
+ NEXT_ARG();
+ if (matches(*argv, "ingress") == 0)
+ erspan_dir = 0;
+ else if (matches(*argv, "egress") == 0)
+ erspan_dir = 1;
+ else
+ invarg("Invalid erspan direction.", *argv);
+ } else if (strcmp(*argv, "erspan_hwid") == 0) {
+ NEXT_ARG();
+ if (get_u16(&erspan_hwid, *argv, 0))
+ invarg("invalid erspan hwid\n", *argv);
+ } else {
+ gre_print_help(lu, argc, argv, stderr);
+ return -1;
+ }
argc--; argv++;
}
- if (!ikey && IN_MULTICAST(ntohl(daddr))) {
- ikey = daddr;
- iflags |= GRE_KEY;
- }
- if (!okey && IN_MULTICAST(ntohl(daddr))) {
- okey = daddr;
- oflags |= GRE_KEY;
+ if (is_addrtype_inet_multi(&daddr)) {
+ if (!ikey) {
+ ikey = daddr.data[0];
+ iflags |= GRE_KEY;
+ }
+ if (!okey) {
+ okey = daddr.data[0];
+ oflags |= GRE_KEY;
+ }
+ if (!is_addrtype_inet_not_unspec(&saddr)) {
+ fprintf(stderr,
+ "A broadcast tunnel requires a source address.\n");
+ return -1;
+ }
}
- if (IN_MULTICAST(ntohl(daddr)) && !saddr) {
- fprintf(stderr, "A broadcast tunnel requires a source address.\n");
- return -1;
+
+ if (metadata) {
+ addattr_l(n, 1024, IFLA_GRE_COLLECT_METADATA, NULL, 0);
+ return 0;
}
addattr32(n, 1024, IFLA_GRE_IKEY, ikey);
addattr32(n, 1024, IFLA_GRE_OKEY, okey);
addattr_l(n, 1024, IFLA_GRE_IFLAGS, &iflags, 2);
addattr_l(n, 1024, IFLA_GRE_OFLAGS, &oflags, 2);
- addattr_l(n, 1024, IFLA_GRE_LOCAL, &saddr, 4);
- addattr_l(n, 1024, IFLA_GRE_REMOTE, &daddr, 4);
+ if (is_addrtype_inet_not_unspec(&saddr))
+ addattr_l(n, 1024, IFLA_GRE_LOCAL, saddr.data, saddr.bytelen);
+ if (is_addrtype_inet_not_unspec(&daddr))
+ addattr_l(n, 1024, IFLA_GRE_REMOTE, daddr.data, daddr.bytelen);
addattr_l(n, 1024, IFLA_GRE_PMTUDISC, &pmtudisc, 1);
+ if (ignore_df)
+ addattr8(n, 1024, IFLA_GRE_IGNORE_DF, ignore_df & 1);
+ addattr_l(n, 1024, IFLA_GRE_TOS, &tos, 1);
if (link)
addattr32(n, 1024, IFLA_GRE_LINK, link);
addattr_l(n, 1024, IFLA_GRE_TTL, &ttl, 1);
- addattr_l(n, 1024, IFLA_GRE_TOS, &tos, 1);
-
+ addattr32(n, 1024, IFLA_GRE_FWMARK, fwmark);
+ if (erspan_ver) {
+ addattr8(n, 1024, IFLA_GRE_ERSPAN_VER, erspan_ver);
+ if (erspan_ver == 1 && erspan_idx != 0) {
+ addattr32(n, 1024, IFLA_GRE_ERSPAN_INDEX, erspan_idx);
+ } else if (erspan_ver == 2) {
+ addattr8(n, 1024, IFLA_GRE_ERSPAN_DIR, erspan_dir);
+ addattr16(n, 1024, IFLA_GRE_ERSPAN_HWID, erspan_hwid);
+ }
+ }
addattr16(n, 1024, IFLA_GRE_ENCAP_TYPE, encaptype);
addattr16(n, 1024, IFLA_GRE_ENCAP_FLAGS, encapflags);
addattr16(n, 1024, IFLA_GRE_ENCAP_SPORT, htons(encapsport));
static void gre_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";
- unsigned iflags = 0;
- unsigned oflags = 0;
+ __u16 iflags = 0;
+ __u16 oflags = 0;
+ __u8 ttl = 0;
+ __u8 tos = 0;
if (!tb)
return;
- if (tb[IFLA_GRE_REMOTE]) {
- unsigned addr = rta_getattr_u32(tb[IFLA_GRE_REMOTE]);
-
- if (addr)
- remote = format_host(AF_INET, 4, &addr, s1, sizeof(s1));
+ if (tb[IFLA_GRE_COLLECT_METADATA]) {
+ print_bool(PRINT_ANY, "external", "external", true);
+ return;
}
- fprintf(f, "remote %s ", remote);
+ tnl_print_endpoint("remote", tb[IFLA_GRE_REMOTE], AF_INET);
+ tnl_print_endpoint("local", tb[IFLA_GRE_LOCAL], AF_INET);
- if (tb[IFLA_GRE_LOCAL]) {
- unsigned addr = rta_getattr_u32(tb[IFLA_GRE_LOCAL]);
+ if (tb[IFLA_GRE_LINK]) {
+ __u32 link = rta_getattr_u32(tb[IFLA_GRE_LINK]);
- if (addr)
- local = format_host(AF_INET, 4, &addr, s1, sizeof(s1));
+ if (link) {
+ print_string(PRINT_ANY, "link", "dev %s ",
+ ll_index_to_name(link));
+ }
}
- fprintf(f, "local %s ", local);
-
- if (tb[IFLA_GRE_LINK] && rta_getattr_u32(tb[IFLA_GRE_LINK])) {
- unsigned link = rta_getattr_u32(tb[IFLA_GRE_LINK]);
- const char *n = if_indextoname(link, s2);
+ if (tb[IFLA_GRE_TTL])
+ ttl = rta_getattr_u8(tb[IFLA_GRE_TTL]);
+ if (is_json_context() || ttl)
+ print_uint(PRINT_ANY, "ttl", "ttl %u ", ttl);
+ else
+ print_string(PRINT_FP, NULL, "ttl %s ", "inherit");
- if (n)
- fprintf(f, "dev %s ", n);
+ if (tb[IFLA_GRE_TOS])
+ tos = rta_getattr_u8(tb[IFLA_GRE_TOS]);
+ if (tos) {
+ if (is_json_context() || tos != 1)
+ print_0xhex(PRINT_ANY, "tos", "tos %#llx ", tos);
else
- fprintf(f, "dev %u ", link);
+ print_string(PRINT_FP, NULL, "tos %s ", "inherit");
}
- if (tb[IFLA_GRE_TTL] && rta_getattr_u8(tb[IFLA_GRE_TTL]))
- fprintf(f, "ttl %d ", rta_getattr_u8(tb[IFLA_GRE_TTL]));
- else
- fprintf(f, "ttl inherit ");
-
- if (tb[IFLA_GRE_TOS] && rta_getattr_u8(tb[IFLA_GRE_TOS])) {
- int tos = rta_getattr_u8(tb[IFLA_GRE_TOS]);
-
- fputs("tos ", f);
- if (tos == 1)
- fputs("inherit ", f);
+ if (tb[IFLA_GRE_PMTUDISC]) {
+ if (!rta_getattr_u8(tb[IFLA_GRE_PMTUDISC]))
+ print_bool(PRINT_ANY, "pmtudisc", "nopmtudisc ", false);
else
- fprintf(f, "0x%x ", tos);
+ print_bool(PRINT_JSON, "pmtudisc", NULL, true);
}
- if (tb[IFLA_GRE_PMTUDISC] &&
- !rta_getattr_u8(tb[IFLA_GRE_PMTUDISC]))
- fputs("nopmtudisc ", f);
+ if (tb[IFLA_GRE_IGNORE_DF] && rta_getattr_u8(tb[IFLA_GRE_IGNORE_DF]))
+ print_bool(PRINT_ANY, "ignore_df", "ignore-df ", true);
if (tb[IFLA_GRE_IFLAGS])
iflags = rta_getattr_u16(tb[IFLA_GRE_IFLAGS]);
if ((iflags & GRE_KEY) && tb[IFLA_GRE_IKEY]) {
inet_ntop(AF_INET, RTA_DATA(tb[IFLA_GRE_IKEY]), s2, sizeof(s2));
- fprintf(f, "ikey %s ", s2);
+ print_string(PRINT_ANY, "ikey", "ikey %s ", s2);
}
if ((oflags & GRE_KEY) && tb[IFLA_GRE_OKEY]) {
inet_ntop(AF_INET, RTA_DATA(tb[IFLA_GRE_OKEY]), s2, sizeof(s2));
- fprintf(f, "okey %s ", s2);
+ print_string(PRINT_ANY, "okey", "okey %s ", s2);
}
if (iflags & GRE_SEQ)
- fputs("iseq ", f);
+ print_bool(PRINT_ANY, "iseq", "iseq ", true);
if (oflags & GRE_SEQ)
- fputs("oseq ", f);
+ print_bool(PRINT_ANY, "oseq", "oseq ", true);
if (iflags & GRE_CSUM)
- fputs("icsum ", f);
+ print_bool(PRINT_ANY, "icsum", "icsum ", true);
if (oflags & GRE_CSUM)
- fputs("ocsum ", f);
-
- if (tb[IFLA_GRE_ENCAP_TYPE] &&
- *(__u16 *)RTA_DATA(tb[IFLA_GRE_ENCAP_TYPE]) != TUNNEL_ENCAP_NONE) {
- __u16 type = rta_getattr_u16(tb[IFLA_GRE_ENCAP_TYPE]);
- __u16 flags = rta_getattr_u16(tb[IFLA_GRE_ENCAP_FLAGS]);
- __u16 sport = rta_getattr_u16(tb[IFLA_GRE_ENCAP_SPORT]);
- __u16 dport = rta_getattr_u16(tb[IFLA_GRE_ENCAP_DPORT]);
-
- fputs("encap ", f);
- switch (type) {
- case TUNNEL_ENCAP_FOU:
- fputs("fou ", f);
- break;
- case TUNNEL_ENCAP_GUE:
- fputs("gue ", f);
- break;
- default:
- fputs("unknown ", f);
- break;
+ print_bool(PRINT_ANY, "ocsum", "ocsum ", true);
+
+ if (tb[IFLA_GRE_FWMARK]) {
+ __u32 fwmark = rta_getattr_u32(tb[IFLA_GRE_FWMARK]);
+
+ if (fwmark) {
+ print_0xhex(PRINT_ANY,
+ "fwmark", "fwmark %#llx ", fwmark);
}
+ }
- if (sport == 0)
- fputs("encap-sport auto ", f);
- else
- fprintf(f, "encap-sport %u", ntohs(sport));
+ if (tb[IFLA_GRE_ERSPAN_INDEX]) {
+ __u32 erspan_idx = rta_getattr_u32(tb[IFLA_GRE_ERSPAN_INDEX]);
- fprintf(f, "encap-dport %u ", ntohs(dport));
+ print_uint(PRINT_ANY,
+ "erspan_index", "erspan_index %u ", erspan_idx);
+ }
- if (flags & TUNNEL_ENCAP_FLAG_CSUM)
- fputs("encap-csum ", f);
- else
- fputs("noencap-csum ", f);
+ if (tb[IFLA_GRE_ERSPAN_VER]) {
+ __u8 erspan_ver = rta_getattr_u8(tb[IFLA_GRE_ERSPAN_VER]);
- if (flags & TUNNEL_ENCAP_FLAG_CSUM6)
- fputs("encap-csum6 ", f);
- else
- fputs("noencap-csum6 ", f);
+ print_uint(PRINT_ANY,
+ "erspan_ver", "erspan_ver %u ", erspan_ver);
+ }
+
+ if (tb[IFLA_GRE_ERSPAN_DIR]) {
+ __u8 erspan_dir = rta_getattr_u8(tb[IFLA_GRE_ERSPAN_DIR]);
- if (flags & TUNNEL_ENCAP_FLAG_REMCSUM)
- fputs("encap-remcsum ", f);
+ if (erspan_dir == 0)
+ print_string(PRINT_ANY, "erspan_dir",
+ "erspan_dir ingress ", NULL);
else
- fputs("noencap-remcsum ", f);
+ print_string(PRINT_ANY, "erspan_dir",
+ "erspan_dir egress ", NULL);
}
-}
-static void gre_print_help(struct link_util *lu, int argc, char **argv,
- FILE *f)
-{
- print_usage(f);
+ if (tb[IFLA_GRE_ERSPAN_HWID]) {
+ __u16 erspan_hwid = rta_getattr_u16(tb[IFLA_GRE_ERSPAN_HWID]);
+
+ print_0xhex(PRINT_ANY,
+ "erspan_hwid", "erspan_hwid %#llx ", erspan_hwid);
+ }
+
+ tnl_print_encap(tb,
+ IFLA_GRE_ENCAP_TYPE,
+ IFLA_GRE_ENCAP_FLAGS,
+ IFLA_GRE_ENCAP_SPORT,
+ IFLA_GRE_ENCAP_DPORT);
}
struct link_util gre_link_util = {
.print_opt = gre_print_opt,
.print_help = gre_print_help,
};
+
+struct link_util erspan_link_util = {
+ .id = "erspan",
+ .maxattr = IFLA_GRE_MAX,
+ .parse_opt = gre_parse_opt,
+ .print_opt = gre_print_opt,
+ .print_help = gre_print_help,
+};
projects / mirror_iproute2.git / blobdiff