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netfilter: flowtable: add vlan pop action offload support

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This patch adds vlan pop action offload in the flowtable offload.

Signed-off-by: wenxu <wenxu@ucloud.cn>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
wenxu 2021-04-03 21:59:43 +08:00 committed by Pablo Neira Ayuso
parent 3e1b0c168f
commit efce49dfe6
1 changed files with 15 additions and 0 deletions
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15
net/netfilter/nf_flow_table_offload.c
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@ -619,6 +619,7 @@ nf_flow_rule_route_common(struct net *net, const struct flow_offload *flow,
struct nf_flow_rule *flow_rule)
{
const struct flow_offload_tuple *other_tuple;
const struct flow_offload_tuple *tuple;
int i;
flow_offload_decap_tunnel(flow, dir, flow_rule);
@ -628,6 +629,20 @@ nf_flow_rule_route_common(struct net *net, const struct flow_offload *flow,
flow_offload_eth_dst(net, flow, dir, flow_rule) < 0)
return -1;
tuple = &flow->tuplehash[dir].tuple;
for (i = 0; i < tuple->encap_num; i++) {
struct flow_action_entry *entry;
if (tuple->in_vlan_ingress & BIT(i))
continue;
if (tuple->encap[i].proto == htons(ETH_P_8021Q)) {
entry = flow_action_entry_next(flow_rule);
entry->id = FLOW_ACTION_VLAN_POP;
}
}
other_tuple = &flow->tuplehash[!dir].tuple;
for (i = 0; i < other_tuple->encap_num; i++) {