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tc: Add matching on tcp flags

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To be used later for offloading rules matching on tcp_flags.

Signed-off-by: Paul Blakey <paulb@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Acked-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: Joe Stringer <joe@ovn.org>
This commit is contained in:
Paul Blakey
2017-08-07 18:19:10 +03:00
committed by Joe Stringer
parent 7cb3241233
commit cd0810438b
2 changed files with 12 additions and 0 deletions
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11
lib/tc.c
View File

@@ -200,6 +200,10 @@ static const struct nl_policy tca_flower_policy[] = {
.optional = true, }, .optional = true, },
[TCA_FLOWER_KEY_IP_TTL_MASK] = { .type = NL_A_U8, [TCA_FLOWER_KEY_IP_TTL_MASK] = { .type = NL_A_U8,
.optional = true, }, .optional = true, },
[TCA_FLOWER_KEY_TCP_FLAGS] = { .type = NL_A_U16,
.optional = true, },
[TCA_FLOWER_KEY_TCP_FLAGS_MASK] = { .type = NL_A_U16,
.optional = true, },
}; };
static void static void
@@ -325,6 +329,12 @@ nl_parse_flower_ip(struct nlattr **attrs, struct tc_flower *flower) {
mask->tcp_dst = mask->tcp_dst =
nl_attr_get_be16(attrs[TCA_FLOWER_KEY_TCP_DST_MASK]); nl_attr_get_be16(attrs[TCA_FLOWER_KEY_TCP_DST_MASK]);
} }
if (attrs[TCA_FLOWER_KEY_TCP_FLAGS_MASK]) {
key->tcp_flags =
nl_attr_get_be16(attrs[TCA_FLOWER_KEY_TCP_FLAGS]);
mask->tcp_flags =
nl_attr_get_be16(attrs[TCA_FLOWER_KEY_TCP_FLAGS_MASK]);
}
} else if (ip_proto == IPPROTO_UDP) { } else if (ip_proto == IPPROTO_UDP) {
if (attrs[TCA_FLOWER_KEY_UDP_SRC_MASK]) { if (attrs[TCA_FLOWER_KEY_UDP_SRC_MASK]) {
key->udp_src = nl_attr_get_be16(attrs[TCA_FLOWER_KEY_UDP_SRC]); key->udp_src = nl_attr_get_be16(attrs[TCA_FLOWER_KEY_UDP_SRC]);
@@ -1036,6 +1046,7 @@ nl_msg_put_flower_options(struct ofpbuf *request, struct tc_flower *flower)
} else if (flower->key.ip_proto == IPPROTO_TCP) { } else if (flower->key.ip_proto == IPPROTO_TCP) {
FLOWER_PUT_MASKED_VALUE(tcp_src, TCA_FLOWER_KEY_TCP_SRC); FLOWER_PUT_MASKED_VALUE(tcp_src, TCA_FLOWER_KEY_TCP_SRC);
FLOWER_PUT_MASKED_VALUE(tcp_dst, TCA_FLOWER_KEY_TCP_DST); FLOWER_PUT_MASKED_VALUE(tcp_dst, TCA_FLOWER_KEY_TCP_DST);
FLOWER_PUT_MASKED_VALUE(tcp_flags, TCA_FLOWER_KEY_TCP_FLAGS);
} else if (flower->key.ip_proto == IPPROTO_SCTP) { } else if (flower->key.ip_proto == IPPROTO_SCTP) {
FLOWER_PUT_MASKED_VALUE(sctp_src, TCA_FLOWER_KEY_SCTP_SRC); FLOWER_PUT_MASKED_VALUE(sctp_src, TCA_FLOWER_KEY_SCTP_SRC);
FLOWER_PUT_MASKED_VALUE(sctp_dst, TCA_FLOWER_KEY_SCTP_DST); FLOWER_PUT_MASKED_VALUE(sctp_dst, TCA_FLOWER_KEY_SCTP_DST);

1
lib/tc.h
View File

@@ -78,6 +78,7 @@ struct tc_flower_key {
ovs_be16 tcp_src; ovs_be16 tcp_src;
ovs_be16 tcp_dst; ovs_be16 tcp_dst;
ovs_be16 tcp_flags;
ovs_be16 udp_src; ovs_be16 udp_src;
ovs_be16 udp_dst; ovs_be16 udp_dst;