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lib/tc: Support matching on ip tunnel tos and ttl

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Support matching on tos and ttl of ip tunnels
for the TC data-path.

Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Signed-off-by: Simon Horman <simon.horman@netronome.com>
This commit is contained in:
Or Gerlitz
2018-07-31 13:40:39 +03:00
committed by Simon Horman
parent 4b12e45435
commit dd83253e11
5 changed files with 47 additions and 8 deletions
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26
lib/tc.c
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@@ -313,6 +313,14 @@ static const struct nl_policy tca_flower_policy[] = {
[TCA_FLOWER_KEY_CVLAN_ID] = { .type = NL_A_U16, .optional = true, },
[TCA_FLOWER_KEY_CVLAN_PRIO] = { .type = NL_A_U8, .optional = true, },
[TCA_FLOWER_KEY_CVLAN_ETH_TYPE] = { .type = NL_A_U16, .optional = true, },
[TCA_FLOWER_KEY_ENC_IP_TOS] = { .type = NL_A_U8,
.optional = true, },
[TCA_FLOWER_KEY_ENC_IP_TOS_MASK] = { .type = NL_A_U8,
.optional = true, },
[TCA_FLOWER_KEY_ENC_IP_TTL] = { .type = NL_A_U8,
.optional = true, },
[TCA_FLOWER_KEY_ENC_IP_TTL_MASK] = { .type = NL_A_U8,
.optional = true, },
};
static void
@@ -407,6 +415,14 @@ nl_parse_flower_tunnel(struct nlattr **attrs, struct tc_flower *flower)
flower->tunnel.tp_dst =
nl_attr_get_be16(attrs[TCA_FLOWER_KEY_ENC_UDP_DST_PORT]);
}
if (attrs[TCA_FLOWER_KEY_ENC_IP_TOS]) {
flower->tunnel.tos =
nl_attr_get_u8(attrs[TCA_FLOWER_KEY_ENC_IP_TOS]);
}
if (attrs[TCA_FLOWER_KEY_ENC_IP_TTL]) {
flower->tunnel.ttl =
nl_attr_get_u8(attrs[TCA_FLOWER_KEY_ENC_IP_TTL]);
}
}
static void
@@ -1605,8 +1621,9 @@ nl_msg_put_flower_tunnel(struct ofpbuf *request, struct tc_flower *flower)
struct in6_addr *ipv6_dst = &flower->tunnel.ipv6.ipv6_dst;
ovs_be16 tp_dst = flower->tunnel.tp_dst;
ovs_be32 id = be64_to_be32(flower->tunnel.id);
uint8_t tos = flower->tunnel.tos;
uint8_t ttl = flower->tunnel.ttl;
nl_msg_put_be32(request, TCA_FLOWER_KEY_ENC_KEY_ID, id);
if (ipv4_dst) {
nl_msg_put_be32(request, TCA_FLOWER_KEY_ENC_IPV4_SRC, ipv4_src);
nl_msg_put_be32(request, TCA_FLOWER_KEY_ENC_IPV4_DST, ipv4_dst);
@@ -1614,7 +1631,14 @@ nl_msg_put_flower_tunnel(struct ofpbuf *request, struct tc_flower *flower)
nl_msg_put_in6_addr(request, TCA_FLOWER_KEY_ENC_IPV6_SRC, ipv6_src);
nl_msg_put_in6_addr(request, TCA_FLOWER_KEY_ENC_IPV6_DST, ipv6_dst);
}
if (tos) {
nl_msg_put_u8(request, TCA_FLOWER_KEY_ENC_IP_TOS, tos);
}
if (ttl) {
nl_msg_put_u8(request, TCA_FLOWER_KEY_ENC_IP_TTL, ttl);
}
nl_msg_put_be16(request, TCA_FLOWER_KEY_ENC_UDP_DST_PORT, tp_dst);
nl_msg_put_be32(request, TCA_FLOWER_KEY_ENC_KEY_ID, id);
}
#define FLOWER_PUT_MASKED_VALUE(member, type) \