vlan: Don't store VLAN tag in cb

[linux-2.6-omap-h63xx.git] / net / core / skbuff.c

diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 5c459f2b7985211e0dd8d067e925c20f2e35b958..50a853f7cd8e784e818eba8d852519234bf1e9df 100644 (file)
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -4,8 +4,6 @@
  *     Authors:        Alan Cox <iiitac@pyr.swan.ac.uk>
  *                     Florian La Roche <rzsfl@rz.uni-sb.de>
  *
- *     Version:        $Id: skbuff.c,v 1.90 2001/11/07 05:56:19 davem Exp $
- *
  *     Fixes:
  *             Alan Cox        :       Fixed the worst of the load
  *                                     balancer bugs.
@@ -461,6 +459,8 @@ static void __copy_skb_header(struct sk_buff *new, const struct sk_buff *old)
        new->tc_verd            = old->tc_verd;
 #endif
 #endif
+       new->vlan_tci           = old->vlan_tci;
+
        skb_copy_secmark(new, old);
 }
 
@@ -1292,12 +1292,14 @@ static int __skb_splice_bits(struct sk_buff *skb, unsigned int *offset,
 {
        unsigned int nr_pages = spd->nr_pages;
        unsigned int poff, plen, len, toff, tlen;
-       int headlen, seg;
+       int headlen, seg, error = 0;
 
        toff = *offset;
        tlen = *total_len;
-       if (!tlen)
+       if (!tlen) {
+               error = 1;
                goto err;
+       }
 
        /*
         * if the offset is greater than the linear part, go directly to
@@ -1339,7 +1341,8 @@ static int __skb_splice_bits(struct sk_buff *skb, unsigned int *offset,
                 * just jump directly to update and return, no point
                 * in going over fragments when the output is full.
                 */
-               if (spd_fill_page(spd, virt_to_page(p), plen, poff, skb))
+               error = spd_fill_page(spd, virt_to_page(p), plen, poff, skb);
+               if (error)
                        goto done;
 
                tlen -= plen;
@@ -1369,7 +1372,8 @@ map_frag:
                if (!plen)
                        break;
 
-               if (spd_fill_page(spd, f->page, plen, poff, skb))
+               error = spd_fill_page(spd, f->page, plen, poff, skb);
+               if (error)
                        break;
 
                tlen -= plen;
@@ -1382,7 +1386,10 @@ done:
                return 0;
        }
 err:
-       return 1;
+       /* update the offset to reflect the linear part skip, if any */
+       if (!error)
+               *offset = toff;
+       return error;
 }
 
 /*
@@ -1445,6 +1452,7 @@ done:
 
        if (spd.nr_pages) {
                int ret;
+               struct sock *sk = __skb->sk;
 
                /*
                 * Drop the socket lock, otherwise we have reverse
@@ -1455,9 +1463,9 @@ done:
                 * we call into ->sendpage() with the i_mutex lock held
                 * and networking will grab the socket lock.
                 */
-               release_sock(__skb->sk);
+               release_sock(sk);
                ret = splice_to_pipe(pipe, &spd);
-               lock_sock(__skb->sk);
+               lock_sock(sk);
                return ret;
        }
 
@@ -2280,6 +2288,7 @@ struct sk_buff *skb_segment(struct sk_buff *skb, int features)
                skb_copy_queue_mapping(nskb, skb);
                nskb->priority = skb->priority;
                nskb->protocol = skb->protocol;
+               nskb->vlan_tci = skb->vlan_tci;
                nskb->dst = dst_clone(skb->dst);
                memcpy(nskb->cb, skb->cb, sizeof(skb->cb));
                nskb->pkt_type = skb->pkt_type;
@@ -2584,6 +2593,13 @@ bool skb_partial_csum_set(struct sk_buff *skb, u16 start, u16 off)
        return true;
 }
 
+void __skb_warn_lro_forwarding(const struct sk_buff *skb)
+{
+       if (net_ratelimit())
+               pr_warning("%s: received packets cannot be forwarded"
+                          " while LRO is enabled\n", skb->dev->name);
+}
+
 EXPORT_SYMBOL(___pskb_trim);
 EXPORT_SYMBOL(__kfree_skb);
 EXPORT_SYMBOL(kfree_skb);
@@ -2617,6 +2633,7 @@ EXPORT_SYMBOL(skb_seq_read);
 EXPORT_SYMBOL(skb_abort_seq_read);
 EXPORT_SYMBOL(skb_find_text);
 EXPORT_SYMBOL(skb_append_datato_frags);
+EXPORT_SYMBOL(__skb_warn_lro_forwarding);
 
 EXPORT_SYMBOL_GPL(skb_to_sgvec);
 EXPORT_SYMBOL_GPL(skb_cow_data);