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netfilter: nf_flow_table_offload: add IPv6 match description

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Add missing IPv6 matching description to flow_rule object.

Fixes: 5c27d8d76c ("netfilter: nf_flow_table_offload: add IPv6 support")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Pablo Neira Ayuso 2019-11-29 10:07:01 +01:00
parent c7c17e6a03
commit d50264f1fe
1 changed files with 11 additions and 1 deletions
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12
net/netfilter/nf_flow_table_offload.c
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@ -28,6 +28,7 @@ struct nf_flow_key {
struct flow_dissector_key_basic basic;
union {
struct flow_dissector_key_ipv4_addrs ipv4;
struct flow_dissector_key_ipv6_addrs ipv6;
};
struct flow_dissector_key_tcp tcp;
struct flow_dissector_key_ports tp;
@ -57,6 +58,7 @@ static int nf_flow_rule_match(struct nf_flow_match *match,
NF_FLOW_DISSECTOR(match, FLOW_DISSECTOR_KEY_CONTROL, control);
NF_FLOW_DISSECTOR(match, FLOW_DISSECTOR_KEY_BASIC, basic);
NF_FLOW_DISSECTOR(match, FLOW_DISSECTOR_KEY_IPV4_ADDRS, ipv4);
NF_FLOW_DISSECTOR(match, FLOW_DISSECTOR_KEY_IPV6_ADDRS, ipv6);
NF_FLOW_DISSECTOR(match, FLOW_DISSECTOR_KEY_TCP, tcp);
NF_FLOW_DISSECTOR(match, FLOW_DISSECTOR_KEY_PORTS, tp);
@ -69,9 +71,18 @@ static int nf_flow_rule_match(struct nf_flow_match *match,
key->ipv4.dst = tuple->dst_v4.s_addr;
mask->ipv4.dst = 0xffffffff;
break;
case AF_INET6:
key->control.addr_type = FLOW_DISSECTOR_KEY_IPV6_ADDRS;
key->basic.n_proto = htons(ETH_P_IPV6);
key->ipv6.src = tuple->src_v6;
memset(&mask->ipv6.src, 0xff, sizeof(mask->ipv6.src));
key->ipv6.dst = tuple->dst_v6;
memset(&mask->ipv6.dst, 0xff, sizeof(mask->ipv6.dst));
break;
default:
return -EOPNOTSUPP;
}
match->dissector.used_keys |= BIT(key->control.addr_type);
mask->basic.n_proto = 0xffff;
switch (tuple->l4proto) {
@ -96,7 +107,6 @@ static int nf_flow_rule_match(struct nf_flow_match *match,
match->dissector.used_keys |= BIT(FLOW_DISSECTOR_KEY_CONTROL) |
BIT(FLOW_DISSECTOR_KEY_BASIC) |
BIT(FLOW_DISSECTOR_KEY_IPV4_ADDRS) |
BIT(FLOW_DISSECTOR_KEY_PORTS);
return 0;
}