diff options
Diffstat (limited to 'include/linux/netdevice.h')
| -rw-r--r-- | include/linux/netdevice.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 20419508eec..7a5057fbb7c 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -984,6 +984,9 @@ void netif_napi_add(struct net_device *dev, struct napi_struct *napi, void netif_napi_del(struct napi_struct *napi); struct napi_gro_cb { + /* This indicates where we are processing relative to skb->data. */ + int data_offset; + /* This is non-zero if the packet may be of the same flow. */ int same_flow; @@ -1087,6 +1090,29 @@ extern int dev_restart(struct net_device *dev); #ifdef CONFIG_NETPOLL_TRAP extern int netpoll_trap(void); #endif +extern void *skb_gro_header(struct sk_buff *skb, unsigned int hlen); +extern int skb_gro_receive(struct sk_buff **head, + struct sk_buff *skb); + +static inline unsigned int skb_gro_offset(const struct sk_buff *skb) +{ + return NAPI_GRO_CB(skb)->data_offset; +} + +static inline unsigned int skb_gro_len(const struct sk_buff *skb) +{ + return skb->len - NAPI_GRO_CB(skb)->data_offset; +} + +static inline void skb_gro_pull(struct sk_buff *skb, unsigned int len) +{ + NAPI_GRO_CB(skb)->data_offset += len; +} + +static inline void skb_gro_reset_offset(struct sk_buff *skb) +{ + NAPI_GRO_CB(skb)->data_offset = 0; +} static inline int dev_hard_header(struct sk_buff *skb, struct net_device *dev, unsigned short type, |