This is a note to let you know that I've just added the patch titled
netfilter: nft_payload: fix C-VLAN offload support
to the 5.10-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
netfilter-nft_payload-fix-c-vlan-offload-support.patch
and it can be found in the queue-5.10 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit cfebd80c7b07c5c2c2fd9ea07278d8fa5298f369
Author: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
Date: Mon Apr 12 14:11:39 2021 +0200
netfilter: nft_payload: fix C-VLAN offload support
[ Upstream commit 14c20643ef9457679cc6934d77adc24296505214 ]
- add another struct flow_dissector_key_vlan for C-VLAN
- update layer 3 dependency to allow to match on IPv4/IPv6
Fixes: 89d8fd44abfb ("netfilter: nft_payload: add C-VLAN offload support")
Signed-off-by: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/include/net/netfilter/nf_tables_offload.h b/include/net/netfilter/nf_tables_offload.h
index 1d34fe154fe0..b4d080061399 100644
--- a/include/net/netfilter/nf_tables_offload.h
+++ b/include/net/netfilter/nf_tables_offload.h
@@ -45,6 +45,7 @@ struct nft_flow_key {
struct flow_dissector_key_ports tp;
struct flow_dissector_key_ip ip;
struct flow_dissector_key_vlan vlan;
+ struct flow_dissector_key_vlan cvlan;
struct flow_dissector_key_eth_addrs eth_addrs;
struct flow_dissector_key_meta meta;
} __aligned(BITS_PER_LONG / 8); /* Ensure that we can do comparisons as longs. */
diff --git a/net/netfilter/nft_payload.c b/net/netfilter/nft_payload.c
index 47d4e0e21651..e43863a1761f 100644
--- a/net/netfilter/nft_payload.c
+++ b/net/netfilter/nft_payload.c
@@ -241,7 +241,7 @@ static int nft_payload_offload_ll(struct nft_offload_ctx *ctx,
if (!nft_payload_offload_mask(reg, priv->len, sizeof(__be16)))
return -EOPNOTSUPP;
- NFT_OFFLOAD_MATCH(FLOW_DISSECTOR_KEY_CVLAN, vlan,
+ NFT_OFFLOAD_MATCH(FLOW_DISSECTOR_KEY_CVLAN, cvlan,
vlan_tci, sizeof(__be16), reg);
break;
case offsetof(struct vlan_ethhdr, h_vlan_encapsulated_proto) +
@@ -249,8 +249,9 @@ static int nft_payload_offload_ll(struct nft_offload_ctx *ctx,
if (!nft_payload_offload_mask(reg, priv->len, sizeof(__be16)))
return -EOPNOTSUPP;
- NFT_OFFLOAD_MATCH(FLOW_DISSECTOR_KEY_CVLAN, vlan,
+ NFT_OFFLOAD_MATCH(FLOW_DISSECTOR_KEY_CVLAN, cvlan,
vlan_tpid, sizeof(__be16), reg);
+ nft_offload_set_dependency(ctx, NFT_OFFLOAD_DEP_NETWORK);
break;
default:
return -EOPNOTSUPP;
