mac80211: Re-enable aggregation

[pandora-kernel.git] / include / linux / skbuff.h

diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 720b688..a01b6f8 100644 (file)
--- 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 */
 
@@ -968,6 +973,9 @@ static inline void skb_fill_page_desc(struct sk_buff *skb, int i,
        skb_shinfo(skb)->nr_frags = i + 1;
 }
 
+extern void skb_add_rx_frag(struct sk_buff *skb, int i, struct page *page,
+                           int off, int size);
+
 #define SKB_PAGE_ASSERT(skb)   BUG_ON(skb_shinfo(skb)->nr_frags)
 #define SKB_FRAG_ASSERT(skb)   BUG_ON(skb_shinfo(skb)->frag_list)
 #define SKB_LINEAR_ASSERT(skb)  BUG_ON(skb_is_nonlinear(skb))
@@ -1382,6 +1390,26 @@ static inline struct sk_buff *netdev_alloc_skb(struct net_device *dev,
        return __netdev_alloc_skb(dev, length, GFP_ATOMIC);
 }
 
+extern struct page *__netdev_alloc_page(struct net_device *dev, gfp_t gfp_mask);
+
+/**
+ *     netdev_alloc_page - allocate a page for ps-rx on a specific device
+ *     @dev: network device to receive on
+ *
+ *     Allocate a new page node local to the specified device.
+ *
+ *     %NULL is returned if there is no free memory.
+ */
+static inline struct page *netdev_alloc_page(struct net_device *dev)
+{
+       return __netdev_alloc_page(dev, GFP_ATOMIC);
+}
+
+static inline void netdev_free_page(struct net_device *dev, struct page *page)
+{
+       __free_page(page);
+}
+
 /**
  *     skb_clone_writable - is the header of a clone writable
  *     @skb: buffer to check
@@ -1841,6 +1869,18 @@ 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;