diff options
Diffstat (limited to 'include/linux/skbuff.h')
| -rw-r--r-- | include/linux/skbuff.h | 43 |
1 files changed, 29 insertions, 14 deletions
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 299ec4b31412..909923717830 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -243,9 +243,11 @@ typedef unsigned char *sk_buff_data_t; * @tc_index: Traffic control index * @tc_verd: traffic control verdict * @ndisc_nodetype: router type (from link layer) + * @do_not_encrypt: set to prevent encryption of this frame * @dma_cookie: a cookie to one of several possible DMA operations * done by skb DMA functions * @secmark: security marking + * @vlan_tci: vlan tag control information */ struct sk_buff { @@ -305,9 +307,7 @@ struct sk_buff { #endif int iif; -#ifdef CONFIG_NETDEVICES_MULTIQUEUE __u16 queue_mapping; -#endif #ifdef CONFIG_NET_SCHED __u16 tc_index; /* traffic control index */ #ifdef CONFIG_NET_CLS_ACT @@ -317,7 +317,10 @@ struct sk_buff { #ifdef CONFIG_IPV6_NDISC_NODETYPE __u8 ndisc_nodetype:2; #endif - /* 14 bit hole */ +#if defined(CONFIG_MAC80211) || defined(CONFIG_MAC80211_MODULE) + __u8 do_not_encrypt:1; +#endif + /* 0/13/14 bit hole */ #ifdef CONFIG_NET_DMA dma_cookie_t dma_cookie; @@ -328,6 +331,8 @@ struct sk_buff { __u32 mark; + __u16 vlan_tci; + sk_buff_data_t transport_header; sk_buff_data_t network_header; sk_buff_data_t mac_header; @@ -896,7 +901,7 @@ extern unsigned char *__pskb_pull_tail(struct sk_buff *skb, int delta); static inline unsigned char *__pskb_pull(struct sk_buff *skb, unsigned int len) { if (len > skb_headlen(skb) && - !__pskb_pull_tail(skb, len-skb_headlen(skb))) + !__pskb_pull_tail(skb, len - skb_headlen(skb))) return NULL; skb->len -= len; return skb->data += len; @@ -913,7 +918,7 @@ static inline int pskb_may_pull(struct sk_buff *skb, unsigned int len) return 1; if (unlikely(len > skb->len)) return 0; - return __pskb_pull_tail(skb, len-skb_headlen(skb)) != NULL; + return __pskb_pull_tail(skb, len - skb_headlen(skb)) != NULL; } /** @@ -1316,7 +1321,7 @@ static inline int skb_padto(struct sk_buff *skb, unsigned int len) unsigned int size = skb->len; if (likely(size >= len)) return 0; - return skb_pad(skb, len-size); + return skb_pad(skb, len - size); } static inline int skb_add_data(struct sk_buff *skb, @@ -1447,6 +1452,10 @@ extern int skb_copy_datagram_iovec(const struct sk_buff *from, extern int skb_copy_and_csum_datagram_iovec(struct sk_buff *skb, int hlen, struct iovec *iov); +extern int skb_copy_datagram_from_iovec(struct sk_buff *skb, + int offset, + struct iovec *from, + int len); extern void skb_free_datagram(struct sock *sk, struct sk_buff *skb); extern int skb_kill_datagram(struct sock *sk, struct sk_buff *skb, unsigned int flags); @@ -1671,25 +1680,17 @@ static inline void skb_init_secmark(struct sk_buff *skb) static inline void skb_set_queue_mapping(struct sk_buff *skb, u16 queue_mapping) { -#ifdef CONFIG_NETDEVICES_MULTIQUEUE skb->queue_mapping = queue_mapping; -#endif } static inline u16 skb_get_queue_mapping(struct sk_buff *skb) { -#ifdef CONFIG_NETDEVICES_MULTIQUEUE return skb->queue_mapping; -#else - return 0; -#endif } static inline void skb_copy_queue_mapping(struct sk_buff *to, const struct sk_buff *from) { -#ifdef CONFIG_NETDEVICES_MULTIQUEUE to->queue_mapping = from->queue_mapping; -#endif } static inline int skb_is_gso(const struct sk_buff *skb) @@ -1702,6 +1703,20 @@ static inline int skb_is_gso_v6(const struct sk_buff *skb) return skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6; } +extern void __skb_warn_lro_forwarding(const struct sk_buff *skb); + +static inline bool skb_warn_if_lro(const struct sk_buff *skb) +{ + /* LRO sets gso_size but not gso_type, whereas if GSO is really + * wanted then gso_type will be set. */ + struct skb_shared_info *shinfo = skb_shinfo(skb); + if (shinfo->gso_size != 0 && unlikely(shinfo->gso_type == 0)) { + __skb_warn_lro_forwarding(skb); + return true; + } + return false; +} + static inline void skb_forward_csum(struct sk_buff *skb) { /* Unfortunately we don't support this one. Any brave souls? */ |