#define DEFAULT_TNL_HOP_LIMIT (64)
-static void print_usage(FILE *f)
+static void gre_print_help(struct link_util *lu, int argc, char **argv, FILE *f)
{
fprintf(f,
- "Usage: ... { ip6gre | ip6gretap } [ remote ADDR ]\n"
- " [ local ADDR ]\n"
- " [ [i|o]seq ]\n"
- " [ [i|o]key KEY ]\n"
- " [ [i|o]csum ]\n"
- " [ hoplimit TTL ]\n"
- " [ encaplimit ELIM ]\n"
- " [ tclass TCLASS ]\n"
- " [ flowlabel FLOWLABEL ]\n"
- " [ dscp inherit ]\n"
- " [ fwmark MARK ]\n"
- " [ dev PHYS_DEV ]\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"
+ "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"
+ " [ hoplimit TTL ]\n"
+ " [ encaplimit ELIM ]\n"
+ " [ tclass TCLASS ]\n"
+ " [ flowlabel FLOWLABEL ]\n"
+ " [ dscp inherit ]\n"
+ " [ dev PHYS_DEV ]\n"
+ " [ fwmark MARK ]\n"
+ " [ [no]allow-localremote ]\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 := IPV6_ADDRESS\n"
" TTL := { 0..255 } (default=%d)\n"
" KEY := { DOTTED_QUAD | NUMBER }\n"
);
}
-static void usage(void) __attribute__((noreturn));
-static void usage(void)
-{
- print_usage(stderr);
- exit(-1);
-}
-
static int gre_parse_opt(struct link_util *lu, int argc, char **argv,
struct nlmsghdr *n)
{
- struct ifinfomsg *ifi = (struct ifinfomsg *)(n + 1);
+ struct ifinfomsg *ifi = NLMSG_DATA(n);
struct {
struct nlmsghdr n;
struct ifinfomsg i;
- char buf[1024];
} req = {
.n.nlmsg_len = NLMSG_LENGTH(sizeof(*ifi)),
.n.nlmsg_flags = NLM_F_REQUEST,
.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 int ikey = 0;
- unsigned int okey = 0;
- struct in6_addr raddr = IN6ADDR_ANY_INIT;
- struct in6_addr laddr = IN6ADDR_ANY_INIT;
- unsigned int link = 0;
- unsigned int flowinfo = 0;
- unsigned int flags = 0;
+ __be32 ikey = 0;
+ __be32 okey = 0;
+ inet_prefix saddr, daddr;
__u8 hop_limit = DEFAULT_TNL_HOP_LIMIT;
__u8 encap_limit = IPV6_DEFAULT_TNL_ENCAP_LIMIT;
+ __u32 flowinfo = 0;
+ __u32 flags = 0;
+ __u32 link = 0;
__u16 encaptype = 0;
__u16 encapflags = TUNNEL_ENCAP_FLAG_CSUM6;
__u16 encapsport = 0;
__u16 encapdport = 0;
- int len;
+ __u8 metadata = 0;
__u32 fwmark = 0;
+ __u32 erspan_idx = 0;
+ __u8 erspan_ver = 0;
+ __u8 erspan_dir = 0;
+ __u16 erspan_hwid = 0;
+
+ inet_prefix_reset(&saddr);
+ inet_prefix_reset(&daddr);
if (!(n->nlmsg_flags & NLM_F_CREATE)) {
- if (rtnl_talk(&rth, &req.n, &req.n, sizeof(req)) < 0) {
+ const struct rtattr *rta;
+
+ 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_INET6))
+ goto get_failed;
+
+ rta = greinfo[IFLA_GRE_REMOTE];
+ if (rta && get_addr_rta(&daddr, rta, AF_INET6))
+ 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])
- memcpy(&laddr, RTA_DATA(greinfo[IFLA_GRE_LOCAL]), sizeof(laddr));
-
- if (greinfo[IFLA_GRE_REMOTE])
- memcpy(&raddr, RTA_DATA(greinfo[IFLA_GRE_REMOTE]), sizeof(raddr));
-
if (greinfo[IFLA_GRE_TTL])
hop_limit = rta_getattr_u8(greinfo[IFLA_GRE_TTL]);
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 int 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\"\n");
- 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 int 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 of \"ikey\"\n");
- 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 int 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 of \"okey\"\n");
- 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, "remote")) {
- inet_prefix addr;
-
NEXT_ARG();
- get_prefix(&addr, *argv, preferred_family);
- if (addr.family == AF_UNSPEC)
- invarg("\"remote\" address family is AF_UNSPEC", *argv);
- memcpy(&raddr, &addr.data, sizeof(raddr));
+ get_addr(&daddr, *argv, AF_INET6);
} else if (!matches(*argv, "local")) {
- inet_prefix addr;
-
NEXT_ARG();
- get_prefix(&addr, *argv, preferred_family);
- if (addr.family == AF_UNSPEC)
- invarg("\"local\" address family is AF_UNSPEC", *argv);
- memcpy(&laddr, &addr.data, sizeof(laddr));
+ get_addr(&saddr, *argv, AF_INET6);
} 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")) {
- __u8 uval;
-
+ !matches(*argv, "hoplimit") ||
+ !matches(*argv, "hlim")) {
NEXT_ARG();
- if (get_u8(&uval, *argv, 0))
- invarg("invalid TTL", *argv);
- hop_limit = uval;
+ if (strcmp(*argv, "inherit") != 0) {
+ if (get_u8(&hop_limit, *argv, 0))
+ invarg("invalid HLIM\n", *argv);
+ } else
+ hop_limit = 0;
} else if (!matches(*argv, "tos") ||
!matches(*argv, "tclass") ||
!matches(*argv, "dsfield")) {
__u8 uval;
NEXT_ARG();
+ flowinfo &= ~IP6_FLOWINFO_TCLASS;
if (strcmp(*argv, "inherit") == 0)
flags |= IP6_TNL_F_USE_ORIG_TCLASS;
else {
if (get_u8(&uval, *argv, 16))
invarg("invalid TClass", *argv);
- flowinfo &= ~IP6_FLOWINFO_TCLASS;
flowinfo |= htonl((__u32)uval << 20) & IP6_FLOWINFO_TCLASS;
flags &= ~IP6_TNL_F_USE_ORIG_TCLASS;
}
__u32 uval;
NEXT_ARG();
+ flowinfo &= ~IP6_FLOWINFO_FLOWLABEL;
if (strcmp(*argv, "inherit") == 0)
flags |= IP6_TNL_F_USE_ORIG_FLOWLABEL;
else {
invarg("invalid Flowlabel", *argv);
if (uval > 0xFFFFF)
invarg("invalid Flowlabel", *argv);
- flowinfo &= ~IP6_FLOWINFO_FLOWLABEL;
flowinfo |= htonl(uval) & IP6_FLOWINFO_FLOWLABEL;
flags &= ~IP6_TNL_F_USE_ORIG_FLOWLABEL;
}
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, "fwmark") == 0) {
NEXT_ARG();
if (strcmp(*argv, "inherit") == 0) {
invarg("invalid fwmark\n", *argv);
flags &= ~IP6_TNL_F_USE_ORIG_FWMARK;
}
+ } else if (strcmp(*argv, "allow-localremote") == 0) {
+ flags |= IP6_TNL_F_ALLOW_LOCAL_REMOTE;
+ } else if (strcmp(*argv, "noallow-localremote") == 0) {
+ flags &= ~IP6_TNL_F_ALLOW_LOCAL_REMOTE;
} else if (strcmp(*argv, "encaplimit") == 0) {
NEXT_ARG();
if (strcmp(*argv, "none") == 0) {
} else {
__u8 uval;
- if (get_u8(&uval, *argv, 0) < -1)
+ if (get_u8(&uval, *argv, 0))
invarg("invalid ELIM", *argv);
encap_limit = uval;
flags &= ~IP6_TNL_F_IGN_ENCAP_LIMIT;
}
- } else
- usage();
+ } 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 (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, &laddr, sizeof(laddr));
- addattr_l(n, 1024, IFLA_GRE_REMOTE, &raddr, sizeof(raddr));
+ 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);
if (link)
addattr32(n, 1024, IFLA_GRE_LINK, link);
addattr_l(n, 1024, IFLA_GRE_TTL, &hop_limit, 1);
addattr_l(n, 1024, IFLA_GRE_FLOWINFO, &flowinfo, 4);
addattr32(n, 1024, IFLA_GRE_FLAGS, flags);
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 s2[64];
- const char *local = "any";
- const char *remote = "any";
- unsigned int iflags = 0;
- unsigned int oflags = 0;
- unsigned int flags = 0;
- unsigned int flowinfo = 0;
- struct in6_addr in6_addr_any = IN6ADDR_ANY_INIT;
+ __u16 iflags = 0;
+ __u16 oflags = 0;
+ __u32 flags = 0;
+ __u32 flowinfo = 0;
+ __u8 ttl = 0;
if (!tb)
return;
+ if (tb[IFLA_GRE_COLLECT_METADATA]) {
+ print_bool(PRINT_ANY, "external", "external", true);
+ return;
+ }
+
if (tb[IFLA_GRE_FLAGS])
flags = rta_getattr_u32(tb[IFLA_GRE_FLAGS]);
if (tb[IFLA_GRE_FLOWINFO])
flowinfo = rta_getattr_u32(tb[IFLA_GRE_FLOWINFO]);
- if (tb[IFLA_GRE_REMOTE]) {
- struct in6_addr addr;
+ tnl_print_endpoint("remote", tb[IFLA_GRE_REMOTE], AF_INET6);
+ tnl_print_endpoint("local", tb[IFLA_GRE_LOCAL], AF_INET6);
- memcpy(&addr, RTA_DATA(tb[IFLA_GRE_REMOTE]), sizeof(addr));
+ if (tb[IFLA_GRE_LINK]) {
+ __u32 link = rta_getattr_u32(tb[IFLA_GRE_LINK]);
- if (memcmp(&addr, &in6_addr_any, sizeof(addr)))
- remote = format_host(AF_INET6, sizeof(addr), &addr);
+ if (link) {
+ print_string(PRINT_ANY, "link", "dev %s ",
+ ll_index_to_name(link));
+ }
}
- fprintf(f, "remote %s ", remote);
-
- if (tb[IFLA_GRE_LOCAL]) {
- struct in6_addr addr;
+ if (tb[IFLA_GRE_TTL])
+ ttl = rta_getattr_u8(tb[IFLA_GRE_TTL]);
+ if (is_json_context() || ttl)
+ print_uint(PRINT_ANY, "ttl", "hoplimit %u ", ttl);
+ else
+ print_string(PRINT_FP, NULL, "hoplimit %s ", "inherit");
- memcpy(&addr, RTA_DATA(tb[IFLA_GRE_LOCAL]), sizeof(addr));
+ if (flags & IP6_TNL_F_IGN_ENCAP_LIMIT) {
+ print_bool(PRINT_ANY,
+ "ip6_tnl_f_ign_encap_limit",
+ "encaplimit none ",
+ true);
+ } else if (tb[IFLA_GRE_ENCAP_LIMIT]) {
+ __u8 val = rta_getattr_u8(tb[IFLA_GRE_ENCAP_LIMIT]);
- if (memcmp(&addr, &in6_addr_any, sizeof(addr)))
- local = format_host(AF_INET6, sizeof(addr), &addr);
+ print_uint(PRINT_ANY, "encap_limit", "encaplimit %u ", val);
}
- fprintf(f, "local %s ", local);
-
- if (tb[IFLA_GRE_LINK] && rta_getattr_u32(tb[IFLA_GRE_LINK])) {
- unsigned int link = rta_getattr_u32(tb[IFLA_GRE_LINK]);
- const char *n = if_indextoname(link, s2);
+ if (flags & IP6_TNL_F_USE_ORIG_TCLASS) {
+ print_bool(PRINT_ANY,
+ "ip6_tnl_f_use_orig_tclass",
+ "tclass inherit ",
+ true);
+ } else if (tb[IFLA_GRE_FLOWINFO]) {
+ __u32 val = ntohl(flowinfo & IP6_FLOWINFO_TCLASS) >> 20;
- if (n)
- fprintf(f, "dev %s ", n);
- else
- fprintf(f, "dev %u ", link);
+ snprintf(s2, sizeof(s2), "0x%02x", val);
+ print_string(PRINT_ANY, "tclass", "tclass %s ", s2);
}
- if (tb[IFLA_GRE_TTL] && rta_getattr_u8(tb[IFLA_GRE_TTL]))
- fprintf(f, "hoplimit %d ", rta_getattr_u8(tb[IFLA_GRE_TTL]));
-
- if (flags & IP6_TNL_F_IGN_ENCAP_LIMIT)
- fprintf(f, "encaplimit none ");
- else if (tb[IFLA_GRE_ENCAP_LIMIT]) {
- int encap_limit = rta_getattr_u8(tb[IFLA_GRE_ENCAP_LIMIT]);
+ if (flags & IP6_TNL_F_USE_ORIG_FLOWLABEL) {
+ print_bool(PRINT_ANY,
+ "ip6_tnl_f_use_orig_flowlabel",
+ "flowlabel inherit ",
+ true);
+ } else if (tb[IFLA_GRE_FLOWINFO]) {
+ __u32 val = ntohl(flowinfo & IP6_FLOWINFO_FLOWLABEL);
- fprintf(f, "encaplimit %d ", encap_limit);
+ snprintf(s2, sizeof(s2), "0x%05x", val);
+ print_string(PRINT_ANY, "flowlabel", "flowlabel %s ", s2);
}
- if (flags & IP6_TNL_F_USE_ORIG_FLOWLABEL)
- fprintf(f, "flowlabel inherit ");
- else
- fprintf(f, "flowlabel 0x%05x ", ntohl(flowinfo & IP6_FLOWINFO_FLOWLABEL));
-
if (flags & IP6_TNL_F_RCV_DSCP_COPY)
- fprintf(f, "dscp inherit ");
+ print_bool(PRINT_ANY,
+ "ip6_tnl_f_rcv_dscp_copy",
+ "dscp inherit ",
+ 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 (flags & IP6_TNL_F_USE_ORIG_FWMARK)
- fprintf(f, "fwmark inherit ");
- else if (tb[IFLA_GRE_FWMARK] && rta_getattr_u32(tb[IFLA_GRE_FWMARK]))
- fprintf(f, "fwmark 0x%x ", rta_getattr_u32(tb[IFLA_GRE_FWMARK]));
-
- if (tb[IFLA_GRE_ENCAP_TYPE] &&
- rta_getattr_u16(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 (flags & IP6_TNL_F_ALLOW_LOCAL_REMOTE)
+ print_bool(PRINT_ANY,
+ "ip6_tnl_f_allow_local_remote",
+ "allow-localremote ",
+ true);
+
+ if (flags & IP6_TNL_F_USE_ORIG_FWMARK) {
+ print_bool(PRINT_ANY,
+ "ip6_tnl_f_use_orig_fwmark",
+ "fwmark inherit ",
+ true);
+ } else 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]);
+
+ print_uint(PRINT_ANY,
+ "erspan_index", "erspan_index %u ", erspan_idx);
+ }
- fprintf(f, "encap-dport %u ", ntohs(dport));
+ if (tb[IFLA_GRE_ERSPAN_VER]) {
+ __u8 erspan_ver = rta_getattr_u8(tb[IFLA_GRE_ERSPAN_VER]);
- if (flags & TUNNEL_ENCAP_FLAG_CSUM)
- fputs("encap-csum ", f);
- else
- fputs("noencap-csum ", f);
+ print_uint(PRINT_ANY,
+ "erspan_ver", "erspan_ver %u ", erspan_ver);
+ }
- if (flags & TUNNEL_ENCAP_FLAG_CSUM6)
- fputs("encap-csum6 ", f);
- else
- fputs("noencap-csum6 ", f);
+ 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 ip6gre_link_util = {
.print_opt = gre_print_opt,
.print_help = gre_print_help,
};
+
+struct link_util ip6erspan_link_util = {
+ .id = "ip6erspan",
+ .maxattr = IFLA_GRE_MAX,
+ .parse_opt = gre_parse_opt,
+ .print_opt = gre_print_opt,
+ .print_help = gre_print_help,
+};
projects / mirror_iproute2.git / blobdiff