#include "utils.h"
#include "ip_common.h"
+#define VXLAN_ATTRSET(attrs, type) (((attrs) & (1L << (type))) != 0)
+
static void print_explain(FILE *f)
{
fprintf(f,
print_explain(stderr);
}
+static void check_duparg(__u64 *attrs, int type, const char *key,
+ const char *argv)
+{
+ if (!VXLAN_ATTRSET(*attrs, type)) {
+ *attrs |= (1L << type);
+ return;
+ }
+ duparg2(key, argv);
+}
+
static int vxlan_parse_opt(struct link_util *lu, int argc, char **argv,
struct nlmsghdr *n)
{
__u32 vni = 0;
- 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 int link = 0;
- __u8 tos = 0;
- __u8 ttl = 0;
- __u32 label = 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;
- bool udpcsum_set = false;
- __u8 udp6zerocsumtx = 0;
- bool udp6zerocsumtx_set = false;
- __u8 udp6zerocsumrx = 0;
- bool udp6zerocsumrx_set = false;
- __u8 remcsumtx = 0;
- __u8 remcsumrx = 0;
__u8 metadata = 0;
- __u8 gbp = 0;
- __u8 gpe = 0;
- int dst_port_set = 0;
- struct ifla_vxlan_port_range range = { 0, 0 };
+ __u64 attrs = 0;
+ bool set_op = (n->nlmsg_type == RTM_NEWLINK &&
+ !(n->nlmsg_flags & NLM_F_CREATE));
while (argc > 0) {
if (!matches(*argv, "id") ||
!matches(*argv, "vni")) {
+ /* We will add ID attribute outside of the loop since we
+ * need to consider metadata information as well.
+ */
NEXT_ARG();
+ check_duparg(&attrs, IFLA_VXLAN_ID, "id", *argv);
if (get_u32(&vni, *argv, 0) ||
vni >= 1u << 24)
invarg("invalid id", *argv);
- vni_set = 1;
} else if (!matches(*argv, "group")) {
+ if (daddr || !IN6_IS_ADDR_UNSPECIFIED(&daddr6)) {
+ 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)))
invarg("invalid group address", *argv);
} else if (!matches(*argv, "remote")) {
+ if (gaddr || !IN6_IS_ADDR_UNSPECIFIED(&gaddr6)) {
+ 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)))
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);
if (IN_MULTICAST(ntohl(saddr)) || IN6_IS_ADDR_MULTICAST(&saddr6))
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);
}
+ addattr32(n, 1024, IFLA_VXLAN_LINK, link);
} else if (!matches(*argv, "ttl") ||
!matches(*argv, "hoplimit")) {
unsigned int uval;
+ __u8 ttl = 0;
NEXT_ARG();
+ check_duparg(&attrs, IFLA_VXLAN_TTL, "ttl", *argv);
if (strcmp(*argv, "inherit") != 0) {
if (get_unsigned(&uval, *argv, 0))
invarg("invalid TTL", *argv);
invarg("TTL must be <= 255", *argv);
ttl = uval;
}
+ addattr8(n, 1024, IFLA_VXLAN_TTL, ttl);
} else if (!matches(*argv, "tos") ||
!matches(*argv, "dsfield")) {
__u32 uval;
+ __u8 tos;
NEXT_ARG();
+ check_duparg(&attrs, IFLA_VXLAN_TOS, "tos", *argv);
if (strcmp(*argv, "inherit") != 0) {
if (rtnl_dsfield_a2n(&uval, *argv))
invarg("bad TOS value", *argv);
tos = uval;
} else
tos = 1;
+ addattr8(n, 1024, IFLA_VXLAN_TOS, tos);
} else if (!matches(*argv, "label") ||
!matches(*argv, "flowlabel")) {
__u32 uval;
NEXT_ARG();
+ check_duparg(&attrs, IFLA_VXLAN_LABEL, "flowlabel",
+ *argv);
if (get_u32(&uval, *argv, 0) ||
(uval & ~LABEL_MAX_MASK))
invarg("invalid flowlabel", *argv);
- label = htonl(uval);
+ addattr32(n, 1024, IFLA_VXLAN_LABEL, htonl(uval));
} else if (!matches(*argv, "ageing")) {
+ __u32 age;
+
NEXT_ARG();
+ check_duparg(&attrs, IFLA_VXLAN_AGEING, "ageing",
+ *argv);
if (strcmp(*argv, "none") == 0)
- noage = 1;
+ age = 0;
else if (get_u32(&age, *argv, 0))
invarg("ageing timer", *argv);
+ addattr32(n, 1024, IFLA_VXLAN_AGEING, age);
} else if (!matches(*argv, "maxaddress")) {
+ __u32 maxaddr;
+
NEXT_ARG();
+ check_duparg(&attrs, IFLA_VXLAN_LIMIT,
+ "maxaddress", *argv);
if (strcmp(*argv, "unlimited") == 0)
maxaddr = 0;
else if (get_u32(&maxaddr, *argv, 0))
invarg("max addresses", *argv);
+ addattr32(n, 1024, IFLA_VXLAN_LIMIT, maxaddr);
} else if (!matches(*argv, "port") ||
!matches(*argv, "srcport")) {
+ struct ifla_vxlan_port_range range = { 0, 0 };
+
NEXT_ARG();
+ check_duparg(&attrs, IFLA_VXLAN_PORT_RANGE, "srcport",
+ *argv);
if (get_be16(&range.low, *argv, 0))
invarg("min port", *argv);
NEXT_ARG();
if (get_be16(&range.high, *argv, 0))
invarg("max port", *argv);
+ if (range.low || range.high) {
+ addattr_l(n, 1024, IFLA_VXLAN_PORT_RANGE,
+ &range, sizeof(range));
+ }
} else if (!matches(*argv, "dstport")) {
NEXT_ARG();
+ check_duparg(&attrs, IFLA_VXLAN_PORT, "dstport", *argv);
if (get_u16(&dstport, *argv, 0))
invarg("dst port", *argv);
- dst_port_set = 1;
} else if (!matches(*argv, "nolearning")) {
+ check_duparg(&attrs, IFLA_VXLAN_LEARNING, *argv, *argv);
learning = 0;
} else if (!matches(*argv, "learning")) {
+ check_duparg(&attrs, IFLA_VXLAN_LEARNING, *argv, *argv);
learning = 1;
} else if (!matches(*argv, "noproxy")) {
- proxy = 0;
+ check_duparg(&attrs, IFLA_VXLAN_PROXY, *argv, *argv);
+ addattr8(n, 1024, IFLA_VXLAN_PROXY, 0);
} else if (!matches(*argv, "proxy")) {
- proxy = 1;
+ check_duparg(&attrs, IFLA_VXLAN_PROXY, *argv, *argv);
+ addattr8(n, 1024, IFLA_VXLAN_PROXY, 1);
} else if (!matches(*argv, "norsc")) {
- rsc = 0;
+ check_duparg(&attrs, IFLA_VXLAN_RSC, *argv, *argv);
+ addattr8(n, 1024, IFLA_VXLAN_RSC, 0);
} else if (!matches(*argv, "rsc")) {
- rsc = 1;
+ check_duparg(&attrs, IFLA_VXLAN_RSC, *argv, *argv);
+ addattr8(n, 1024, IFLA_VXLAN_RSC, 1);
} else if (!matches(*argv, "nol2miss")) {
- l2miss = 0;
+ check_duparg(&attrs, IFLA_VXLAN_L2MISS, *argv, *argv);
+ addattr8(n, 1024, IFLA_VXLAN_L2MISS, 0);
} else if (!matches(*argv, "l2miss")) {
- l2miss = 1;
+ check_duparg(&attrs, IFLA_VXLAN_L2MISS, *argv, *argv);
+ addattr8(n, 1024, IFLA_VXLAN_L2MISS, 1);
} else if (!matches(*argv, "nol3miss")) {
- l3miss = 0;
+ check_duparg(&attrs, IFLA_VXLAN_L3MISS, *argv, *argv);
+ addattr8(n, 1024, IFLA_VXLAN_L3MISS, 0);
} else if (!matches(*argv, "l3miss")) {
- l3miss = 1;
+ check_duparg(&attrs, IFLA_VXLAN_L3MISS, *argv, *argv);
+ addattr8(n, 1024, IFLA_VXLAN_L3MISS, 1);
} else if (!matches(*argv, "udpcsum")) {
- udpcsum = 1;
- udpcsum_set = true;
+ check_duparg(&attrs, IFLA_VXLAN_UDP_CSUM, *argv, *argv);
+ addattr8(n, 1024, IFLA_VXLAN_UDP_CSUM, 1);
} else if (!matches(*argv, "noudpcsum")) {
- udpcsum = 0;
- udpcsum_set = true;
+ check_duparg(&attrs, IFLA_VXLAN_UDP_CSUM, *argv, *argv);
+ addattr8(n, 1024, IFLA_VXLAN_UDP_CSUM, 0);
} else if (!matches(*argv, "udp6zerocsumtx")) {
- udp6zerocsumtx = 1;
- udp6zerocsumtx_set = true;
+ check_duparg(&attrs, IFLA_VXLAN_UDP_ZERO_CSUM6_TX,
+ *argv, *argv);
+ addattr8(n, 1024, IFLA_VXLAN_UDP_ZERO_CSUM6_TX, 1);
} else if (!matches(*argv, "noudp6zerocsumtx")) {
- udp6zerocsumtx = 0;
- udp6zerocsumtx_set = true;
+ check_duparg(&attrs, IFLA_VXLAN_UDP_ZERO_CSUM6_TX,
+ *argv, *argv);
+ addattr8(n, 1024, IFLA_VXLAN_UDP_ZERO_CSUM6_TX, 0);
} else if (!matches(*argv, "udp6zerocsumrx")) {
- udp6zerocsumrx = 1;
- udp6zerocsumrx_set = true;
+ check_duparg(&attrs, IFLA_VXLAN_UDP_ZERO_CSUM6_RX,
+ *argv, *argv);
+ addattr8(n, 1024, IFLA_VXLAN_UDP_ZERO_CSUM6_RX, 1);
} else if (!matches(*argv, "noudp6zerocsumrx")) {
- udp6zerocsumrx = 0;
- udp6zerocsumrx_set = true;
+ check_duparg(&attrs, IFLA_VXLAN_UDP_ZERO_CSUM6_RX,
+ *argv, *argv);
+ addattr8(n, 1024, IFLA_VXLAN_UDP_ZERO_CSUM6_RX, 0);
} else if (!matches(*argv, "remcsumtx")) {
- remcsumtx = 1;
+ check_duparg(&attrs, IFLA_VXLAN_REMCSUM_TX,
+ *argv, *argv);
+ addattr8(n, 1024, IFLA_VXLAN_REMCSUM_TX, 1);
} else if (!matches(*argv, "noremcsumtx")) {
- remcsumtx = 0;
+ check_duparg(&attrs, IFLA_VXLAN_REMCSUM_TX,
+ *argv, *argv);
+ addattr8(n, 1024, IFLA_VXLAN_REMCSUM_TX, 0);
} else if (!matches(*argv, "remcsumrx")) {
- remcsumrx = 1;
+ check_duparg(&attrs, IFLA_VXLAN_REMCSUM_RX,
+ *argv, *argv);
+ addattr8(n, 1024, IFLA_VXLAN_REMCSUM_RX, 1);
} else if (!matches(*argv, "noremcsumrx")) {
- remcsumrx = 0;
+ check_duparg(&attrs, IFLA_VXLAN_REMCSUM_RX,
+ *argv, *argv);
+ addattr8(n, 1024, IFLA_VXLAN_REMCSUM_RX, 0);
} else if (!matches(*argv, "external")) {
+ check_duparg(&attrs, IFLA_VXLAN_COLLECT_METADATA,
+ *argv, *argv);
metadata = 1;
learning = 0;
+ /* we will add LEARNING attribute outside of the loop */
+ addattr8(n, 1024, IFLA_VXLAN_COLLECT_METADATA,
+ metadata);
} else if (!matches(*argv, "noexternal")) {
+ check_duparg(&attrs, IFLA_VXLAN_COLLECT_METADATA,
+ *argv, *argv);
metadata = 0;
+ addattr8(n, 1024, IFLA_VXLAN_COLLECT_METADATA,
+ metadata);
} else if (!matches(*argv, "gbp")) {
- gbp = 1;
+ check_duparg(&attrs, IFLA_VXLAN_GBP, *argv, *argv);
+ addattr_l(n, 1024, IFLA_VXLAN_GBP, NULL, 0);
} else if (!matches(*argv, "gpe")) {
- gpe = 1;
+ check_duparg(&attrs, IFLA_VXLAN_GPE, *argv, *argv);
+ addattr_l(n, 1024, IFLA_VXLAN_GPE, NULL, 0);
} else if (matches(*argv, "help") == 0) {
explain();
return -1;
argc--, argv++;
}
- if (metadata && vni_set) {
+ if (metadata && VXLAN_ATTRSET(attrs, IFLA_VXLAN_ID)) {
fprintf(stderr, "vxlan: both 'external' and vni cannot be specified\n");
return -1;
}
- if (!metadata && !vni_set) {
+ if (!metadata && !VXLAN_ATTRSET(attrs, IFLA_VXLAN_ID)) {
fprintf(stderr, "vxlan: missing virtual network identifier\n");
return -1;
}
- if ((gaddr && daddr) ||
- (!IN6_IS_ADDR_UNSPECIFIED(&gaddr6) &&
- !IN6_IS_ADDR_UNSPECIFIED(&daddr6))) {
- fprintf(stderr, "vxlan: both group and remote cannot be specified\n");
- return -1;
- }
-
- if ((gaddr || !IN6_IS_ADDR_UNSPECIFIED(&gaddr6)) && !link) {
+ if ((gaddr || !IN6_IS_ADDR_UNSPECIFIED(&gaddr6)) &&
+ !VXLAN_ATTRSET(attrs, IFLA_VXLAN_LINK)) {
fprintf(stderr, "vxlan: 'group' requires 'dev' to be specified\n");
return -1;
}
- if (!dst_port_set && gpe) {
+ if (!VXLAN_ATTRSET(attrs, IFLA_VXLAN_PORT) &&
+ VXLAN_ATTRSET(attrs, IFLA_VXLAN_GPE)) {
dstport = 4790;
- } else if (!dst_port_set) {
+ } else if (!VXLAN_ATTRSET(attrs, IFLA_VXLAN_PORT) && !set_op) {
fprintf(stderr, "vxlan: destination port not specified\n"
"Will use Linux kernel default (non-standard value)\n");
fprintf(stderr,
else if (preferred_family == AF_INET6)
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 (!IN6_IS_ADDR_UNSPECIFIED(&saddr6))
- addattr_l(n, 1024, IFLA_VXLAN_LOCAL6, &saddr6, sizeof(struct in6_addr));
-
- if (link)
- addattr32(n, 1024, IFLA_VXLAN_LINK, link);
- addattr32(n, 1024, IFLA_VXLAN_LABEL, label);
- 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_REMCSUM_TX, remcsumtx);
- addattr8(n, 1024, IFLA_VXLAN_REMCSUM_RX, remcsumrx);
- addattr8(n, 1024, IFLA_VXLAN_COLLECT_METADATA, metadata);
-
- if (udpcsum_set)
- addattr8(n, 1024, IFLA_VXLAN_UDP_CSUM, udpcsum);
- if (udp6zerocsumtx_set)
- addattr8(n, 1024, IFLA_VXLAN_UDP_ZERO_CSUM6_TX, udp6zerocsumtx);
- if (udp6zerocsumrx_set)
- 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 (!set_op || VXLAN_ATTRSET(attrs, IFLA_VXLAN_LEARNING))
+ addattr8(n, 1024, IFLA_VXLAN_LEARNING, learning);
+
if (dstport)
addattr16(n, 1024, IFLA_VXLAN_PORT, htons(dstport));
- if (gbp)
- addattr_l(n, 1024, IFLA_VXLAN_GBP, NULL, 0);
- if (gpe)
- addattr_l(n, 1024, IFLA_VXLAN_GPE, NULL, 0);
-
-
return 0;
}
projects / thirdparty / iproute2.git / commitdiff
