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tc/cls_flower: Add dest UDP port to tunnel params

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Enhance IP tunnel parameters by adding destination UDP port.

Signed-off-by: Hadar Hen Zion <hadarh@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
This commit is contained in:
Hadar Hen Zion 2016-12-13 10:07:46 +02:00 committed by Stephen Hemminger
parent b723368caa
commit 41aa17ff46
2 changed files with 32 additions and 1 deletions
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8
man/man8/tc-flower.8
View File

@ -39,6 +39,8 @@ flower \- flow based traffic control filter
.IR KEY-ID " | {" .IR KEY-ID " | {"
.BR enc_dst_ip " | " enc_src_ip " } { " .BR enc_dst_ip " | " enc_src_ip " } { "
.IR ipv4_address " | " ipv6_address " } | " .IR ipv4_address " | " ipv6_address " } | "
.B enc_dst_port
.IR UDP-PORT " | "
.SH DESCRIPTION .SH DESCRIPTION
The The
.B flower .B flower
@ -129,11 +131,15 @@ which have to be specified in beforehand.
.BI enc_dst_ip " ADDRESS" .BI enc_dst_ip " ADDRESS"
.TQ .TQ
.BI enc_src_ip " ADDRESS" .BI enc_src_ip " ADDRESS"
.TQ
.BI enc_dst_port " NUMBER"
Match on IP tunnel metadata. Key id Match on IP tunnel metadata. Key id
.I NUMBER .I NUMBER
is a 32 bit tunnel key id (e.g. VNI for VXLAN tunnel). is a 32 bit tunnel key id (e.g. VNI for VXLAN tunnel).
.I ADDRESS .I ADDRESS
must be a valid IPv4 or IPv6 address. must be a valid IPv4 or IPv6 address. Dst port
.I NUMBER
is a 16 bit UDP dst port.
.SH NOTES .SH NOTES
As stated above where applicable, matches of a certain layer implicitly depend As stated above where applicable, matches of a certain layer implicitly depend
on the matches of the next lower layer. Precisely, layer one and two matches on the matches of the next lower layer. Precisely, layer one and two matches

25
tc/f_flower.c
View File

@ -275,6 +275,20 @@ static int flower_parse_key_id(const char *str, int type, struct nlmsghdr *n)
return ret; return ret;
} }
static int flower_parse_enc_port(char *str, int type, struct nlmsghdr *n)
{
int ret;
__be16 port;
ret = get_be16(&port, str, 10);
if (ret)
return -1;
addattr16(n, MAX_MSG, type, port);
return 0;
}
static int flower_parse_opt(struct filter_util *qu, char *handle, static int flower_parse_opt(struct filter_util *qu, char *handle,
int argc, char **argv, struct nlmsghdr *n) int argc, char **argv, struct nlmsghdr *n)
{ {
@ -482,6 +496,14 @@ static int flower_parse_opt(struct filter_util *qu, char *handle,
fprintf(stderr, "Illegal \"enc_key_id\"\n"); fprintf(stderr, "Illegal \"enc_key_id\"\n");
return -1; return -1;
} }
} else if (matches(*argv, "enc_dst_port") == 0) {
NEXT_ARG();
ret = flower_parse_enc_port(*argv,
TCA_FLOWER_KEY_ENC_UDP_DST_PORT, n);
if (ret < 0) {
fprintf(stderr, "Illegal \"enc_dst_port\"\n");
return -1;
}
} else if (matches(*argv, "action") == 0) { } else if (matches(*argv, "action") == 0) {
NEXT_ARG(); NEXT_ARG();
ret = parse_action(&argc, &argv, TCA_FLOWER_ACT, n); ret = parse_action(&argc, &argv, TCA_FLOWER_ACT, n);
@ -754,6 +776,9 @@ static int flower_print_opt(struct filter_util *qu, FILE *f,
flower_print_key_id(f, "enc_key_id", flower_print_key_id(f, "enc_key_id",
tb[TCA_FLOWER_KEY_ENC_KEY_ID]); tb[TCA_FLOWER_KEY_ENC_KEY_ID]);
flower_print_port(f, "enc_dst_port",
tb[TCA_FLOWER_KEY_ENC_UDP_DST_PORT]);
if (tb[TCA_FLOWER_FLAGS]) { if (tb[TCA_FLOWER_FLAGS]) {
__u32 flags = rta_getattr_u32(tb[TCA_FLOWER_FLAGS]); __u32 flags = rta_getattr_u32(tb[TCA_FLOWER_FLAGS]);