@@ -31,7 +31,7 @@ static void print_explain(FILE *f)
fprintf(f, " [ ageing SECONDS ] [ maxaddress NUMBER ]\n");
fprintf(f, " [ [no]udpcsum ] [ [no]udp6zerocsumtx ] [ [no]udp6zerocsumrx ]\n");
fprintf(f, " [ [no]remcsumtx ] [ [no]remcsumrx ]\n");
- fprintf(f, " [ gbp ]\n");
+ fprintf(f, " [ [no]external ] [ gbp ]\n");
fprintf(f, "\n");
fprintf(f, "Where: VNI := 0-16777215\n");
fprintf(f, " ADDR := { IP_ADDRESS | any }\n");
@@ -72,6 +72,7 @@ static int vxlan_parse_opt(struct link_util *lu, int argc, char **argv,
__u8 udp6zerocsumrx = 0;
__u8 remcsumtx = 0;
__u8 remcsumrx = 0;
+ __u8 metadata = 0;
__u8 gbp = 0;
int dst_port_set = 0;
struct ifla_vxlan_port_range range = { 0, 0 };
@@ -210,6 +211,10 @@ static int vxlan_parse_opt(struct link_util *lu, int argc, char **argv,
remcsumrx = 1;
} else if (!matches(*argv, "noremcsumrx")) {
remcsumrx = 0;
+ } else if (!matches(*argv, "external")) {
+ metadata = 1;
+ } else if (!matches(*argv, "noexternal")) {
+ metadata = 0;
} else if (!matches(*argv, "gbp")) {
gbp = 1;
} else if (matches(*argv, "help") == 0) {
@@ -223,7 +228,12 @@ static int vxlan_parse_opt(struct link_util *lu, int argc, char **argv,
argc--, argv++;
}
- if (!vni_set) {
+ if (metadata && vni_set) {
+ fprintf(stderr, "vxlan: both 'external' and vni cannot be specified\n");
+ return -1;
+ }
+
+ if (!metadata && !vni_set) {
fprintf(stderr, "vxlan: missing virtual network identifier\n");
return -1;
}
@@ -272,6 +282,7 @@ static int vxlan_parse_opt(struct link_util *lu, int argc, char **argv,
addattr8(n, 1024, IFLA_VXLAN_UDP_ZERO_CSUM6_RX, udp6zerocsumrx);
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 (noage)
addattr32(n, 1024, IFLA_VXLAN_AGEING, 0);
@@ -428,6 +439,10 @@ static void vxlan_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[])
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);
+
if (tb[IFLA_VXLAN_GBP])
fputs("gbp ", f);
}
This patch add support for IFLA_VXLAN_COLLECT_METADATA via the 'external' keyword to the vxlan link. Also enforce mutual exclusion between 'vni' and 'external'. Signed-off-by: Paolo Abeni <pabeni@redhat.com> --- ip/iplink_vxlan.c | 19 +++++++++++++++++-- 1 file changed, 17 insertions(+), 2 deletions(-)