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netdev-tc-offloads: Add support for IP fragmentation

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Add support for frag no, first and later.

Signed-off-by: Roi Dayan <roid@mellanox.com>
Reviewed-by: Shahar Klein <shahark@mellanox.com>
Reviewed-by: Paul Blakey <paulb@mellanox.com>
Signed-off-by: Simon Horman <simon.horman@netronome.com>
This commit is contained in:
Roi Dayan
2018-03-12 14:58:47 +02:00
committed by Simon Horman
parent 40c5aa11b1
commit 83e866067e
5 changed files with 53 additions and 11 deletions
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14
lib/tc.c
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@@ -281,6 +281,8 @@ 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_FLAGS] = { .type = NL_A_BE32, .optional = true, },
[TCA_FLOWER_KEY_FLAGS_MASK] = { .type = NL_A_BE32, .optional = true, },
[TCA_FLOWER_KEY_IP_TTL] = { .type = NL_A_U8,
.optional = true, },
[TCA_FLOWER_KEY_IP_TTL_MASK] = { .type = NL_A_U8,
@@ -374,6 +376,11 @@ nl_parse_flower_ip(struct nlattr **attrs, struct tc_flower *flower) {
mask->ip_proto = UINT8_MAX;
}
if (attrs[TCA_FLOWER_KEY_FLAGS_MASK]) {
key->flags = ntohl(nl_attr_get_u32(attrs[TCA_FLOWER_KEY_FLAGS]));
mask->flags = ntohl(nl_attr_get_u32(attrs[TCA_FLOWER_KEY_FLAGS_MASK]));
}
if (attrs[TCA_FLOWER_KEY_IPV4_SRC_MASK]) {
key->ipv4.ipv4_src =
nl_attr_get_be32(attrs[TCA_FLOWER_KEY_IPV4_SRC]);
@@ -1495,6 +1502,13 @@ nl_msg_put_flower_options(struct ofpbuf *request, struct tc_flower *flower)
flower->key.ip_proto);
}
if (flower->mask.flags) {
nl_msg_put_u32(request, TCA_FLOWER_KEY_FLAGS,
htonl(flower->key.flags));
nl_msg_put_u32(request, TCA_FLOWER_KEY_FLAGS_MASK,
htonl(flower->mask.flags));
}
if (flower->key.ip_proto == IPPROTO_UDP) {
FLOWER_PUT_MASKED_VALUE(udp_src, TCA_FLOWER_KEY_UDP_SRC);
FLOWER_PUT_MASKED_VALUE(udp_dst, TCA_FLOWER_KEY_UDP_DST);