tcp: Add tcp_collapse_one to eliminate duplicated code
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Родитель
cbe2d128a0
Коммит
2cf46637b5
|
@ -4161,6 +4161,18 @@ add_sack:
|
|||
}
|
||||
}
|
||||
|
||||
static struct sk_buff *tcp_collapse_one(struct sock *sk, struct sk_buff *skb,
|
||||
struct sk_buff_head *list)
|
||||
{
|
||||
struct sk_buff *next = skb->next;
|
||||
|
||||
__skb_unlink(skb, list);
|
||||
__kfree_skb(skb);
|
||||
NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_TCPRCVCOLLAPSED);
|
||||
|
||||
return next;
|
||||
}
|
||||
|
||||
/* Collapse contiguous sequence of skbs head..tail with
|
||||
* sequence numbers start..end.
|
||||
* Segments with FIN/SYN are not collapsed (only because this
|
||||
|
@ -4178,11 +4190,7 @@ tcp_collapse(struct sock *sk, struct sk_buff_head *list,
|
|||
for (skb = head; skb != tail;) {
|
||||
/* No new bits? It is possible on ofo queue. */
|
||||
if (!before(start, TCP_SKB_CB(skb)->end_seq)) {
|
||||
struct sk_buff *next = skb->next;
|
||||
__skb_unlink(skb, list);
|
||||
__kfree_skb(skb);
|
||||
NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_TCPRCVCOLLAPSED);
|
||||
skb = next;
|
||||
skb = tcp_collapse_one(sk, skb, list);
|
||||
continue;
|
||||
}
|
||||
|
||||
|
@ -4246,11 +4254,7 @@ tcp_collapse(struct sock *sk, struct sk_buff_head *list,
|
|||
start += size;
|
||||
}
|
||||
if (!before(start, TCP_SKB_CB(skb)->end_seq)) {
|
||||
struct sk_buff *next = skb->next;
|
||||
__skb_unlink(skb, list);
|
||||
__kfree_skb(skb);
|
||||
NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_TCPRCVCOLLAPSED);
|
||||
skb = next;
|
||||
skb = tcp_collapse_one(sk, skb, list);
|
||||
if (skb == tail ||
|
||||
tcp_hdr(skb)->syn ||
|
||||
tcp_hdr(skb)->fin)
|
||||
|
|
Загрузка…
Ссылка в новой задаче