diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-12-28 12:49:40 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-12-28 12:49:40 -0800 |
commit | 0191b625ca5a46206d2fb862bb08f36f2fcb3b31 (patch) | |
tree | 454d1842b1833d976da62abcbd5c47521ebe9bd7 /include/linux/skbuff.h | |
parent | 54a696bd07c14d3b1192d03ce7269bc59b45209a (diff) | |
parent | eb56092fc168bf5af199d47af50c0d84a96db898 (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1429 commits)
net: Allow dependancies of FDDI & Tokenring to be modular.
igb: Fix build warning when DCA is disabled.
net: Fix warning fallout from recent NAPI interface changes.
gro: Fix potential use after free
sfc: If AN is enabled, always read speed/duplex from the AN advertising bits
sfc: When disabling the NIC, close the device rather than unregistering it
sfc: SFT9001: Add cable diagnostics
sfc: Add support for multiple PHY self-tests
sfc: Merge top-level functions for self-tests
sfc: Clean up PHY mode management in loopback self-test
sfc: Fix unreliable link detection in some loopback modes
sfc: Generate unique names for per-NIC workqueues
802.3ad: use standard ethhdr instead of ad_header
802.3ad: generalize out mac address initializer
802.3ad: initialize ports LACPDU from const initializer
802.3ad: remove typedef around ad_system
802.3ad: turn ports is_individual into a bool
802.3ad: turn ports is_enabled into a bool
802.3ad: make ntt bool
ixgbe: Fix set_ringparam in ixgbe to use the same memory pools.
...
Fixed trivial IPv4/6 address printing conflicts in fs/cifs/connect.c due
to the conversion to %pI (in this networking merge) and the addition of
doing IPv6 addresses (from the earlier merge of CIFS).
Diffstat (limited to 'include/linux/skbuff.h')
-rw-r--r-- | include/linux/skbuff.h | 54 |
1 files changed, 53 insertions, 1 deletions
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 2725f4e5a9b..cf2cb50f77d 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -250,6 +250,9 @@ typedef unsigned char *sk_buff_data_t; * @tc_verd: traffic control verdict * @ndisc_nodetype: router type (from link layer) * @do_not_encrypt: set to prevent encryption of this frame + * @requeue: set to indicate that the wireless core should attempt + * a software retry on this frame if we failed to + * receive an ACK for it * @dma_cookie: a cookie to one of several possible DMA operations * done by skb DMA functions * @secmark: security marking @@ -269,8 +272,9 @@ struct sk_buff { struct dst_entry *dst; struct rtable *rtable; }; +#ifdef CONFIG_XFRM struct sec_path *sp; - +#endif /* * This is the control buffer. It is free to use for every * layer. Please put your private variables there. If you @@ -325,6 +329,7 @@ struct sk_buff { #endif #if defined(CONFIG_MAC80211) || defined(CONFIG_MAC80211_MODULE) __u8 do_not_encrypt:1; + __u8 requeue:1; #endif /* 0/13/14 bit hole */ @@ -488,6 +493,19 @@ static inline bool skb_queue_is_last(const struct sk_buff_head *list, } /** + * skb_queue_is_first - check if skb is the first entry in the queue + * @list: queue head + * @skb: buffer + * + * Returns true if @skb is the first buffer on the list. + */ +static inline bool skb_queue_is_first(const struct sk_buff_head *list, + const struct sk_buff *skb) +{ + return (skb->prev == (struct sk_buff *) list); +} + +/** * skb_queue_next - return the next packet in the queue * @list: queue head * @skb: current buffer @@ -506,6 +524,24 @@ static inline struct sk_buff *skb_queue_next(const struct sk_buff_head *list, } /** + * skb_queue_prev - return the prev packet in the queue + * @list: queue head + * @skb: current buffer + * + * Return the prev packet in @list before @skb. It is only valid to + * call this if skb_queue_is_first() evaluates to false. + */ +static inline struct sk_buff *skb_queue_prev(const struct sk_buff_head *list, + const struct sk_buff *skb) +{ + /* This BUG_ON may seem severe, but if we just return then we + * are going to dereference garbage. + */ + BUG_ON(skb_queue_is_first(list, skb)); + return skb->prev; +} + +/** * skb_get - reference buffer * @skb: buffer to reference * @@ -1647,8 +1683,12 @@ extern int skb_splice_bits(struct sk_buff *skb, extern void skb_copy_and_csum_dev(const struct sk_buff *skb, u8 *to); extern void skb_split(struct sk_buff *skb, struct sk_buff *skb1, const u32 len); +extern int skb_shift(struct sk_buff *tgt, struct sk_buff *skb, + int shiftlen); extern struct sk_buff *skb_segment(struct sk_buff *skb, int features); +extern int skb_gro_receive(struct sk_buff **head, + struct sk_buff *skb); static inline void *skb_header_pointer(const struct sk_buff *skb, int offset, int len, void *buffer) @@ -1864,6 +1904,18 @@ static inline void skb_copy_queue_mapping(struct sk_buff *to, const struct sk_bu to->queue_mapping = from->queue_mapping; } +#ifdef CONFIG_XFRM +static inline struct sec_path *skb_sec_path(struct sk_buff *skb) +{ + return skb->sp; +} +#else +static inline struct sec_path *skb_sec_path(struct sk_buff *skb) +{ + return NULL; +} +#endif + static inline int skb_is_gso(const struct sk_buff *skb) { return skb_shinfo(skb)->gso_size; |