From: Pablo Neira Ayuso <pablo@netfilter.org>
To: netfilter-devel@vger.kernel.org
Cc: wenxu@ucloud.cn
Subject: [PATCH nf-next 1/3] netfilter: nft_payload: fix C-VLAN offload support
Date: Mon, 12 Apr 2021 15:12:40 +0200 [thread overview]
Message-ID: <20210412131242.2907-1-pablo@netfilter.org> (raw)
- 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@netfilter.org>
---
include/net/netfilter/nf_tables_offload.h | 1 +
net/netfilter/nft_payload.c | 5 +++--
2 files changed, 4 insertions(+), 2 deletions(-)
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 cb1c8c231880..a990f37e0a60 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;
--
2.30.2
next reply other threads:[~2021-04-12 13:12 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-12 13:12 Pablo Neira Ayuso [this message]
2021-04-12 13:12 ` [PATCH nf-next 2/3] netfilter: nftables_offload: VLAN id needs host byteorder in flow dissector Pablo Neira Ayuso
2021-04-12 13:12 ` [PATCH nf-next 3/3] netfilter: nftables_offload: special ethertype handling for VLAN Pablo Neira Ayuso
2021-04-12 16:46 ` kernel test robot
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