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authorPablo Neira Ayuso <pablo@netfilter.org>2021-04-12 14:20:15 +0200
committerPablo Neira Ayuso <pablo@netfilter.org>2021-04-18 22:02:21 +0200
commitff4d90a89d3d4d9814e0a2696509a7d495be4163 (patch)
treea65b6fb117aeb37a6c5b180be5f2785dafd43cc3 /include/net/netfilter
parentnetfilter: nft_payload: fix C-VLAN offload support (diff)
downloadlinux-dev-ff4d90a89d3d4d9814e0a2696509a7d495be4163.tar.xz
linux-dev-ff4d90a89d3d4d9814e0a2696509a7d495be4163.zip
netfilter: nftables_offload: VLAN id needs host byteorder in flow dissector
The flow dissector representation expects the VLAN id in host byteorder. Add the NFT_OFFLOAD_F_NETWORK2HOST flag to swap the bytes from nft_cmp. Fixes: a82055af5959 ("netfilter: nft_payload: add VLAN offload support") Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'include/net/netfilter')
-rw-r--r--include/net/netfilter/nf_tables_offload.h11
1 files changed, 10 insertions, 1 deletions
diff --git a/include/net/netfilter/nf_tables_offload.h b/include/net/netfilter/nf_tables_offload.h
index b4d080061399..434a6158852f 100644
--- a/include/net/netfilter/nf_tables_offload.h
+++ b/include/net/netfilter/nf_tables_offload.h
@@ -4,11 +4,16 @@
#include <net/flow_offload.h>
#include <net/netfilter/nf_tables.h>
+enum nft_offload_reg_flags {
+ NFT_OFFLOAD_F_NETWORK2HOST = (1 << 0),
+};
+
struct nft_offload_reg {
u32 key;
u32 len;
u32 base_offset;
u32 offset;
+ u32 flags;
struct nft_data data;
struct nft_data mask;
};
@@ -72,13 +77,17 @@ struct nft_flow_rule *nft_flow_rule_create(struct net *net, const struct nft_rul
void nft_flow_rule_destroy(struct nft_flow_rule *flow);
int nft_flow_rule_offload_commit(struct net *net);
-#define NFT_OFFLOAD_MATCH(__key, __base, __field, __len, __reg) \
+#define NFT_OFFLOAD_MATCH_FLAGS(__key, __base, __field, __len, __reg, __flags) \
(__reg)->base_offset = \
offsetof(struct nft_flow_key, __base); \
(__reg)->offset = \
offsetof(struct nft_flow_key, __base.__field); \
(__reg)->len = __len; \
(__reg)->key = __key; \
+ (__reg)->flags = __flags;
+
+#define NFT_OFFLOAD_MATCH(__key, __base, __field, __len, __reg) \
+ NFT_OFFLOAD_MATCH_FLAGS(__key, __base, __field, __len, __reg, 0)
#define NFT_OFFLOAD_MATCH_EXACT(__key, __base, __field, __len, __reg) \
NFT_OFFLOAD_MATCH(__key, __base, __field, __len, __reg) \