net: add skb frag size accessors

[pandora-kernel.git] / net / ipv4 / ip_output.c

diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index 8c65633..e1374ab 100644 (file)
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -989,13 +989,13 @@ alloc_new_skb:
                        if (page && (left = PAGE_SIZE - off) > 0) {
                                if (copy >= left)
                                        copy = left;
-                               if (page != frag->page) {
+                               if (page != skb_frag_page(frag)) {
                                        if (i == MAX_SKB_FRAGS) {
                                                err = -EMSGSIZE;
                                                goto error;
                                        }
-                                       get_page(page);
                                        skb_fill_page_desc(skb, i, page, off, 0);
+                                       skb_frag_ref(skb, i);
                                        frag = &skb_shinfo(skb)->frags[i];
                                }
                        } else if (i < MAX_SKB_FRAGS) {
@@ -1015,12 +1015,13 @@ alloc_new_skb:
                                err = -EMSGSIZE;
                                goto error;
                        }
-                       if (getfrag(from, page_address(frag->page)+frag->page_offset+frag->size, offset, copy, skb->len, skb) < 0) {
+                       if (getfrag(from, skb_frag_address(frag)+skb_frag_size(frag),
+                                   offset, copy, skb->len, skb) < 0) {
                                err = -EFAULT;
                                goto error;
                        }
                        cork->off += copy;
-                       frag->size += copy;
+                       skb_frag_size_add(frag, copy);
                        skb->len += copy;
                        skb->data_len += copy;
                        skb->truesize += copy;
@@ -1229,7 +1230,7 @@ ssize_t   ip_append_page(struct sock *sk, struct flowi4 *fl4, struct page *page,
                if (len > size)
                        len = size;
                if (skb_can_coalesce(skb, i, page, offset)) {
-                       skb_shinfo(skb)->frags[i-1].size += len;
+                       skb_frag_size_add(&skb_shinfo(skb)->frags[i-1], len);
                } else if (i < MAX_SKB_FRAGS) {
                        get_page(page);
                        skb_fill_page_desc(skb, i, page, offset, len);