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ipv4: Use frag list abstraction interfaces. 

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2009-06-09 00:19:37 -07:00
parent 285e42802b
commit d7fcf1a5ca
2 changed files with 5 additions and 5 deletions
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4
net/ipv4/ip_fragment.c
View File

@ -507,7 +507,7 @@ static int ip_frag_reasm(struct ipq *qp, struct sk_buff *prev,
/* If the first fragment is fragmented itself, we split
* it to two chunks: the first with data and paged part
* and the second, holding only fragments. */
if (skb_shinfo(head)->frag_list) {
if (skb_has_frags(head)) {
struct sk_buff *clone;
int i, plen = 0;
@ -516,7 +516,7 @@ static int ip_frag_reasm(struct ipq *qp, struct sk_buff *prev,
clone->next = head->next;
head->next = clone;
skb_shinfo(clone)->frag_list = skb_shinfo(head)->frag_list;
skb_shinfo(head)->frag_list = NULL;
skb_frag_list_init(head);
for (i=0; i<skb_shinfo(head)->nr_frags; i++)
plen += skb_shinfo(head)->frags[i].size;
clone->len = clone->data_len = head->data_len - plen;

6
net/ipv4/ip_output.c
View File

@ -474,7 +474,7 @@ int ip_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
* LATER: this step can be merged to real generation of fragments,
* we can switch to copy when see the first bad fragment.
*/
if (skb_shinfo(skb)->frag_list) {
if (skb_has_frags(skb)) {
struct sk_buff *frag;
int first_len = skb_pagelen(skb);
int truesizes = 0;
@ -485,7 +485,7 @@ int ip_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
skb_cloned(skb))
goto slow_path;
for (frag = skb_shinfo(skb)->frag_list; frag; frag = frag->next) {
skb_walk_frags(skb, frag) {
/* Correct geometry. */
if (frag->len > mtu ||
((frag->len & 7) && frag->next) ||
@ -510,7 +510,7 @@ int ip_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
err = 0;
offset = 0;
frag = skb_shinfo(skb)->frag_list;
skb_shinfo(skb)->frag_list = NULL;
skb_frag_list_init(skb);
skb->data_len = first_len - skb_headlen(skb);
skb->truesize -= truesizes;
skb->len = first_len;