aboutsummaryrefslogtreecommitdiff
path: root/net/ipv4/tcp_output.c
diff options
context:
space:
mode:
authorJeff Garzik <jgarzik@pobox.com>2005-09-21 22:34:08 -0400
committerJeff Garzik <jgarzik@pobox.com>2005-09-21 22:34:08 -0400
commita3536c839f04682ed06c84a7f75968c27c6108c8 (patch)
tree92c26ea74c0ffb9b83a2285ad2539cc271b09856 /net/ipv4/tcp_output.c
parenta33a1982012e9070736e3717231714dc9892303b (diff)
parentefb0372bbaf5b829ff8c39db372779928af542a7 (diff)
Merge /spare/repo/linux-2.6/
Diffstat (limited to 'net/ipv4/tcp_output.c')
-rw-r--r--net/ipv4/tcp_output.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index c10e4435e3b..5dd6dd7d091 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -435,6 +435,8 @@ int tcp_fragment(struct sock *sk, struct sk_buff *skb, u32 len, unsigned int mss
int nsize, old_factor;
u16 flags;
+ BUG_ON(len >= skb->len);
+
nsize = skb_headlen(skb) - len;
if (nsize < 0)
nsize = 0;
@@ -459,9 +461,7 @@ int tcp_fragment(struct sock *sk, struct sk_buff *skb, u32 len, unsigned int mss
flags = TCP_SKB_CB(skb)->flags;
TCP_SKB_CB(skb)->flags = flags & ~(TCPCB_FLAG_FIN|TCPCB_FLAG_PSH);
TCP_SKB_CB(buff)->flags = flags;
- TCP_SKB_CB(buff)->sacked =
- (TCP_SKB_CB(skb)->sacked &
- (TCPCB_LOST | TCPCB_EVER_RETRANS | TCPCB_AT_TAIL));
+ TCP_SKB_CB(buff)->sacked = TCP_SKB_CB(skb)->sacked;
TCP_SKB_CB(skb)->sacked &= ~TCPCB_AT_TAIL;
if (!skb_shinfo(skb)->nr_frags && skb->ip_summed != CHECKSUM_HW) {
@@ -499,6 +499,12 @@ int tcp_fragment(struct sock *sk, struct sk_buff *skb, u32 len, unsigned int mss
tcp_skb_pcount(buff);
tp->packets_out -= diff;
+
+ if (TCP_SKB_CB(skb)->sacked & TCPCB_SACKED_ACKED)
+ tp->sacked_out -= diff;
+ if (TCP_SKB_CB(skb)->sacked & TCPCB_SACKED_RETRANS)
+ tp->retrans_out -= diff;
+
if (TCP_SKB_CB(skb)->sacked & TCPCB_LOST) {
tp->lost_out -= diff;
tp->left_out -= diff;