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author | David S. Miller <davem@davemloft.net> | 2015-03-09 23:38:02 -0400 |
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committer | David S. Miller <davem@davemloft.net> | 2015-03-09 23:38:02 -0400 |
commit | 3cef5c5b0b56f3f90b0e9ff8d3f8dc57f464cc14 (patch) | |
tree | 02e95f15bd8a04071a9a36f534a92a066a8ce66a /include/net/netfilter | |
parent | 8ac467e837a24eb024177b4b01013d8e6764913a (diff) | |
parent | affb8172de395a6e1db52ed9790ca0456d8c29a9 (diff) | |
download | lwn-3cef5c5b0b56f3f90b0e9ff8d3f8dc57f464cc14.tar.gz lwn-3cef5c5b0b56f3f90b0e9ff8d3f8dc57f464cc14.zip |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts:
drivers/net/ethernet/cadence/macb.c
Overlapping changes in macb driver, mostly fixes and cleanups
in 'net' overlapping with the integration of at91_ether into
macb in 'net-next'.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/netfilter')
-rw-r--r-- | include/net/netfilter/nf_tables.h | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/include/net/netfilter/nf_tables.h b/include/net/netfilter/nf_tables.h index a143acafa5d9..d756af559977 100644 --- a/include/net/netfilter/nf_tables.h +++ b/include/net/netfilter/nf_tables.h @@ -119,6 +119,22 @@ int nft_validate_data_load(const struct nft_ctx *ctx, enum nft_registers reg, const struct nft_data *data, enum nft_data_types type); + +/** + * struct nft_userdata - user defined data associated with an object + * + * @len: length of the data + * @data: content + * + * The presence of user data is indicated in an object specific fashion, + * so a length of zero can't occur and the value "len" indicates data + * of length len + 1. + */ +struct nft_userdata { + u8 len; + unsigned char data[0]; +}; + /** * struct nft_set_elem - generic representation of set elements * @@ -380,7 +396,7 @@ static inline void *nft_expr_priv(const struct nft_expr *expr) * @handle: rule handle * @genmask: generation mask * @dlen: length of expression data - * @ulen: length of user data (used for comments) + * @udata: user data is appended to the rule * @data: expression data */ struct nft_rule { @@ -388,7 +404,7 @@ struct nft_rule { u64 handle:42, genmask:2, dlen:12, - ulen:8; + udata:1; unsigned char data[] __attribute__((aligned(__alignof__(struct nft_expr)))); }; @@ -408,7 +424,7 @@ static inline struct nft_expr *nft_expr_last(const struct nft_rule *rule) return (struct nft_expr *)&rule->data[rule->dlen]; } -static inline void *nft_userdata(const struct nft_rule *rule) +static inline struct nft_userdata *nft_userdata(const struct nft_rule *rule) { return (void *)&rule->data[rule->dlen]; } |