diff mbox series

[net-next,02/14] netfilter: flowtable: add vlan pop action offload support

Message ID 20210418210415.4719-3-pablo@netfilter.org (mailing list archive)
State Accepted
Commit efce49dfe6a8ec491759ad9eaa85fadbf26654c5
Delegated to: Netdev Maintainers
Headers show
Series [net-next,01/14] netfilter: flowtable: add vlan match offload support | expand

Checks

Context Check Description
netdev/cover_letter success Pull request
netdev/fixes_present success Link
netdev/patch_count success Link
netdev/tree_selection success Clearly marked for net-next
netdev/subject_prefix success Link
netdev/cc_maintainers warning 3 maintainers not CCed: fw@strlen.de kadlec@netfilter.org coreteam@netfilter.org
netdev/source_inline success Was 0 now: 0
netdev/verify_signedoff success Link
netdev/module_param success Was 0 now: 0
netdev/build_32bit success Errors and warnings before: 38 this patch: 38
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/verify_fixes success Link
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 27 lines checked
netdev/build_allmodconfig_warn success Errors and warnings before: 38 this patch: 38
netdev/header_inline success Link

Commit Message

Pablo Neira Ayuso April 18, 2021, 9:04 p.m. UTC 
From: wenxu <wenxu@ucloud.cn>

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>
---
 net/netfilter/nf_flow_table_offload.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
diff mbox series

Patch

diff --git a/net/netfilter/nf_flow_table_offload.c b/net/netfilter/nf_flow_table_offload.c
index dc1d6b4e35f8..b87f8c3ee6c2 100644
--- a/net/netfilter/nf_flow_table_offload.c
+++ b/net/netfilter/nf_flow_table_offload.c
@@ -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++) {