diff options
| author | Florian Westphal <fw@strlen.de> | 2017-01-23 18:21:56 +0100 |
|---|---|---|
| committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2017-02-02 14:31:53 +0100 |
| commit | cb9c68363efb6d1f950ec55fb06e031ee70db5fc (patch) | |
| tree | 081b7de4d5d3bb069beeaa17328f068686aae810 /include | |
| parent | 97a6ad13decc16c5adbf181283932daba7e17faf (diff) | |
| download | linux-cb9c68363efb6d1f950ec55fb06e031ee70db5fc.tar.gz linux-cb9c68363efb6d1f950ec55fb06e031ee70db5fc.tar.bz2 linux-cb9c68363efb6d1f950ec55fb06e031ee70db5fc.zip | |
skbuff: add and use skb_nfct helper
Followup patch renames skb->nfct and changes its type so add a helper to
avoid intrusive rename change later.
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/skbuff.h | 13 | ||||
| -rw-r--r-- | include/net/netfilter/nf_conntrack_core.h | 2 |
2 files changed, 11 insertions, 4 deletions
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index b53c0cfd417e..276431e047af 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -3553,6 +3553,15 @@ static inline void skb_remcsum_process(struct sk_buff *skb, void *ptr, skb->csum = csum_add(skb->csum, delta); } +static inline struct nf_conntrack *skb_nfct(const struct sk_buff *skb) +{ +#if IS_ENABLED(CONFIG_NF_CONNTRACK) + return skb->nfct; +#else + return NULL; +#endif +} + #if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE) void nf_conntrack_destroy(struct nf_conntrack *nfct); static inline void nf_conntrack_put(struct nf_conntrack *nfct) @@ -3652,9 +3661,7 @@ static inline bool skb_irq_freeable(const struct sk_buff *skb) #if IS_ENABLED(CONFIG_XFRM) !skb->sp && #endif -#if IS_ENABLED(CONFIG_NF_CONNTRACK) - !skb->nfct && -#endif + !skb_nfct(skb) && !skb->_skb_refdst && !skb_has_frag_list(skb); } diff --git a/include/net/netfilter/nf_conntrack_core.h b/include/net/netfilter/nf_conntrack_core.h index 62e17d1319ff..84ec7ca5f195 100644 --- a/include/net/netfilter/nf_conntrack_core.h +++ b/include/net/netfilter/nf_conntrack_core.h @@ -62,7 +62,7 @@ int __nf_conntrack_confirm(struct sk_buff *skb); /* Confirm a connection: returns NF_DROP if packet must be dropped. */ static inline int nf_conntrack_confirm(struct sk_buff *skb) { - struct nf_conn *ct = (struct nf_conn *)skb->nfct; + struct nf_conn *ct = (struct nf_conn *)skb_nfct(skb); int ret = NF_ACCEPT; if (ct && !nf_ct_is_untracked(ct)) { |