diff options
Diffstat (limited to 'include/linux/skbuff.h')
-rw-r--r-- | include/linux/skbuff.h | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 2738d355cdf9..4355129fff91 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -179,6 +179,9 @@ struct nf_bridge_info { u8 bridged_dnat:1; __u16 frag_max_size; struct net_device *physindev; + + /* always valid & non-NULL from FORWARD on, for physdev match */ + struct net_device *physoutdev; union { /* prerouting: detect dnat in orig/reply direction */ __be32 ipv4_daddr; @@ -189,9 +192,6 @@ struct nf_bridge_info { * skb is out in neigh layer. */ char neigh_header[8]; - - /* always valid & non-NULL from FORWARD on, for physdev match */ - struct net_device *physoutdev; }; }; #endif @@ -463,6 +463,15 @@ static inline u32 skb_mstamp_us_delta(const struct skb_mstamp *t1, return delta_us; } +static inline bool skb_mstamp_after(const struct skb_mstamp *t1, + const struct skb_mstamp *t0) +{ + s32 diff = t1->stamp_jiffies - t0->stamp_jiffies; + + if (!diff) + diff = t1->stamp_us - t0->stamp_us; + return diff > 0; +} /** * struct sk_buff - socket buffer @@ -1215,7 +1224,7 @@ static inline int skb_cloned(const struct sk_buff *skb) static inline int skb_unclone(struct sk_buff *skb, gfp_t pri) { - might_sleep_if(pri & __GFP_WAIT); + might_sleep_if(gfpflags_allow_blocking(pri)); if (skb_cloned(skb)) return pskb_expand_head(skb, 0, 0, pri); @@ -1299,7 +1308,7 @@ static inline int skb_shared(const struct sk_buff *skb) */ static inline struct sk_buff *skb_share_check(struct sk_buff *skb, gfp_t pri) { - might_sleep_if(pri & __GFP_WAIT); + might_sleep_if(gfpflags_allow_blocking(pri)); if (skb_shared(skb)) { struct sk_buff *nskb = skb_clone(skb, pri); @@ -1335,7 +1344,7 @@ static inline struct sk_buff *skb_share_check(struct sk_buff *skb, gfp_t pri) static inline struct sk_buff *skb_unshare(struct sk_buff *skb, gfp_t pri) { - might_sleep_if(pri & __GFP_WAIT); + might_sleep_if(gfpflags_allow_blocking(pri)); if (skb_cloned(skb)) { struct sk_buff *nskb = skb_copy(skb, pri); @@ -2707,6 +2716,9 @@ static inline void skb_postpull_rcsum(struct sk_buff *skb, { if (skb->ip_summed == CHECKSUM_COMPLETE) skb->csum = csum_sub(skb->csum, csum_partial(start, len, 0)); + else if (skb->ip_summed == CHECKSUM_PARTIAL && + skb_checksum_start_offset(skb) < 0) + skb->ip_summed = CHECKSUM_NONE; } unsigned char *skb_pull_rcsum(struct sk_buff *skb, unsigned int len); |