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net: move secpath_exist helper to sk_buff.h

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Future patch will remove skb->sp pointer.
To reduce noise in those patches, move existing helper to
sk_buff and use it in more places to ease skb->sp replacement later.

Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Florian Westphal 2018-12-18 17:15:19 +01:00 committed by David S. Miller
parent 0ca64da128
commit 7af8f4ca31
3 changed files with 11 additions and 13 deletions
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13
include/linux/skbuff.h
View File

@ -4066,12 +4066,19 @@ static inline void skb_init_secmark(struct sk_buff *skb)
{ }
#endif
static inline int secpath_exists(const struct sk_buff *skb)
{
#ifdef CONFIG_XFRM
return skb->sp != NULL;
#else
return 0;
#endif
}
static inline bool skb_irq_freeable(const struct sk_buff *skb)
{
return !skb->destructor &&
#if IS_ENABLED(CONFIG_XFRM)
!skb->sp &&
#endif
!secpath_exists(skb) &&
!skb_nfct(skb) &&
!skb->_skb_refdst &&
!skb_has_frag_list(skb);

9
include/net/xfrm.h
View File

@ -1104,15 +1104,6 @@ struct sec_path {
struct xfrm_offload ovec[XFRM_MAX_OFFLOAD_DEPTH];
};
static inline int secpath_exists(struct sk_buff *skb)
{
#ifdef CONFIG_XFRM
return skb->sp != NULL;
#else
return 0;
#endif
}
static inline struct sec_path *
secpath_get(struct sec_path *sp)
{

2
net/netfilter/nft_meta.c
View File

@ -229,7 +229,7 @@ void nft_meta_get_eval(const struct nft_expr *expr,
}
#ifdef CONFIG_XFRM
case NFT_META_SECPATH:
nft_reg_store8(dest, !!skb->sp);
nft_reg_store8(dest, secpath_exists(skb));
break;
#endif
#ifdef CONFIG_NF_TABLES_BRIDGE