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netfilter: nf_tables: relocate header content to consumer

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The nf_tables.h header is used in a lot of files, but it turns out
that there is only one actual user of nft_expr_clone().

Hence we relocate that function to be with the one consumer of it
and avoid having to process it with CPP for all the other files.

This will also enable a reduction in the other headers that the
nf_tables.h itself has to include just to be stand-alone, hence
a pending further significant reduction in the CPP content that
needs to get processed for each netfilter file.

Note that the explicit "inline" has been dropped as part of this
relocation.  In similar changes to this, I believe Dave has asked
this be done, so we free up gcc to make the choice of whether to
inline or not.

Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Paul Gortmaker 2019-04-15 16:43:14 -04:00 committed by Pablo Neira Ayuso
parent 7a1d8390d0
commit f1f86d09ca
2 changed files with 17 additions and 17 deletions
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17
include/net/netfilter/nf_tables.h
View File

@ -806,23 +806,6 @@ void nft_expr_destroy(const struct nft_ctx *ctx, struct nft_expr *expr);
int nft_expr_dump(struct sk_buff *skb, unsigned int attr,
const struct nft_expr *expr);
static inline int nft_expr_clone(struct nft_expr *dst, struct nft_expr *src)
{
int err;
if (src->ops->clone) {
dst->ops = src->ops;
err = src->ops->clone(dst, src);
if (err < 0)
return err;
} else {
memcpy(dst, src, src->ops->size);
}
__module_get(src->ops->type->owner);
return 0;
}
/**
* struct nft_rule - nf_tables rule
*

17
net/netfilter/nft_dynset.c
View File

@ -28,6 +28,23 @@ struct nft_dynset {
struct nft_set_binding binding;
};
static int nft_expr_clone(struct nft_expr *dst, struct nft_expr *src)
{
int err;
if (src->ops->clone) {
dst->ops = src->ops;
err = src->ops->clone(dst, src);
if (err < 0)
return err;
} else {
memcpy(dst, src, src->ops->size);
}
__module_get(src->ops->type->owner);
return 0;
}
static void *nft_dynset_new(struct nft_set *set, const struct nft_expr *expr,
struct nft_regs *regs)
{