Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6

[linux-2.6] / net / core / skbuff.c

diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 022d8894c11de1ef21839988f5b233ca878db1ef..3c23760c5827518769f14ea3eaaa8fefb1e73397 100644 (file)
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -156,7 +156,8 @@ struct sk_buff *__alloc_skb(unsigned int size, gfp_t gfp_mask,
 
        /* Get the DATA. Size must match skb_add_mtu(). */
        size = SKB_DATA_ALIGN(size);
-       data = ____kmalloc(size + sizeof(struct skb_shared_info), gfp_mask);
+       data = kmalloc_track_caller(size + sizeof(struct skb_shared_info),
+                       gfp_mask);
        if (!data)
                goto nodata;
 
@@ -268,8 +269,10 @@ struct sk_buff *__netdev_alloc_skb(struct net_device *dev,
        struct sk_buff *skb;
 
        skb = alloc_skb(length + NET_SKB_PAD, gfp_mask);
-       if (likely(skb))
+       if (likely(skb)) {
                skb_reserve(skb, NET_SKB_PAD);
+               skb->dev = dev;
+       }
        return skb;
 }
 
@@ -1395,7 +1398,7 @@ void skb_copy_and_csum_dev(const struct sk_buff *skb, u8 *to)
        unsigned int csum;
        long csstart;
 
-       if (skb->ip_summed == CHECKSUM_HW)
+       if (skb->ip_summed == CHECKSUM_PARTIAL)
                csstart = skb->h.raw - skb->data;
        else
                csstart = skb_headlen(skb);
@@ -1409,7 +1412,7 @@ void skb_copy_and_csum_dev(const struct sk_buff *skb, u8 *to)
                csum = skb_copy_and_csum_bits(skb, csstart, to + csstart,
                                              skb->len - csstart, 0);
 
-       if (skb->ip_summed == CHECKSUM_HW) {
+       if (skb->ip_summed == CHECKSUM_PARTIAL) {
                long csstuff = csstart + skb->csum;
 
                *((unsigned short *)(to + csstuff)) = csum_fold(csum);
@@ -1896,10 +1899,10 @@ int skb_append_datato_frags(struct sock *sk, struct sk_buff *skb,
  *     @len: length of data pulled
  *
  *     This function performs an skb_pull on the packet and updates
- *     update the CHECKSUM_HW checksum.  It should be used on receive
- *     path processing instead of skb_pull unless you know that the
- *     checksum difference is zero (e.g., a valid IP header) or you
- *     are setting ip_summed to CHECKSUM_NONE.
+ *     update the CHECKSUM_COMPLETE checksum.  It should be used on
+ *     receive path processing instead of skb_pull unless you know
+ *     that the checksum difference is zero (e.g., a valid IP header)
+ *     or you are setting ip_summed to CHECKSUM_NONE.
  */
 unsigned char *skb_pull_rcsum(struct sk_buff *skb, unsigned int len)
 {
@@ -1992,7 +1995,7 @@ struct sk_buff *skb_segment(struct sk_buff *skb, int features)
                frag = skb_shinfo(nskb)->frags;
                k = 0;
 
-               nskb->ip_summed = CHECKSUM_HW;
+               nskb->ip_summed = CHECKSUM_PARTIAL;
                nskb->csum = skb->csum;
                memcpy(skb_put(nskb, hsize), skb->data + offset, hsize);
 
@@ -2044,19 +2047,14 @@ void __init skb_init(void)
        skbuff_head_cache = kmem_cache_create("skbuff_head_cache",
                                              sizeof(struct sk_buff),
                                              0,
-                                             SLAB_HWCACHE_ALIGN,
+                                             SLAB_HWCACHE_ALIGN|SLAB_PANIC,
                                              NULL, NULL);
-       if (!skbuff_head_cache)
-               panic("cannot create skbuff cache");
-
        skbuff_fclone_cache = kmem_cache_create("skbuff_fclone_cache",
                                                (2*sizeof(struct sk_buff)) +
                                                sizeof(atomic_t),
                                                0,
-                                               SLAB_HWCACHE_ALIGN,
+                                               SLAB_HWCACHE_ALIGN|SLAB_PANIC,
                                                NULL, NULL);
-       if (!skbuff_fclone_cache)
-               panic("cannot create skbuff cache");
 }
 
 EXPORT_SYMBOL(___pskb_trim);