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tc: Add ip layer ttl matching

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Add matching on ip layer ttl, to be used later.

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 18:19:06 +03:00
committed by Joe Stringer
parent 2517aa5a6a
commit 0b4b5203d1
2 changed files with 12 additions and 0 deletions
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10
lib/tc.c
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@@ -196,6 +196,10 @@ static const struct nl_policy tca_flower_policy[] = {
.optional = true, },
[TCA_FLOWER_KEY_ENC_UDP_DST_PORT] = { .type = NL_A_U16,
.optional = true, },
[TCA_FLOWER_KEY_IP_TTL] = { .type = NL_A_U8,
.optional = true, },
[TCA_FLOWER_KEY_IP_TTL_MASK] = { .type = NL_A_U8,
.optional = true, },
};
static void
@@ -344,6 +348,11 @@ nl_parse_flower_ip(struct nlattr **attrs, struct tc_flower *flower) {
nl_attr_get_be16(attrs[TCA_FLOWER_KEY_SCTP_DST_MASK]);
}
}
if (attrs[TCA_FLOWER_KEY_IP_TTL_MASK]) {
key->ip_ttl = nl_attr_get_u8(attrs[TCA_FLOWER_KEY_IP_TTL]);
mask->ip_ttl = nl_attr_get_u8(attrs[TCA_FLOWER_KEY_IP_TTL_MASK]);
}
}
static const struct nl_policy tunnel_key_policy[] = {
@@ -1036,6 +1045,7 @@ nl_msg_put_flower_options(struct ofpbuf *request, struct tc_flower *flower)
if (host_eth_type == ETH_P_IP) {
FLOWER_PUT_MASKED_VALUE(ipv4.ipv4_src, TCA_FLOWER_KEY_IPV4_SRC);
FLOWER_PUT_MASKED_VALUE(ipv4.ipv4_dst, TCA_FLOWER_KEY_IPV4_DST);
FLOWER_PUT_MASKED_VALUE(ip_ttl, TCA_FLOWER_KEY_IP_TTL);
} else if (host_eth_type == ETH_P_IPV6) {
FLOWER_PUT_MASKED_VALUE(ipv6.ipv6_src, TCA_FLOWER_KEY_IPV6_SRC);
FLOWER_PUT_MASKED_VALUE(ipv6.ipv6_dst, TCA_FLOWER_KEY_IPV6_DST);