diff options
| author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-07-12 21:19:42 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-07-12 21:19:42 -0700 |
| commit | e47f31787dee5bf57453e18edefff56e17fa44f9 (patch) | |
| tree | 6c86b53192526bf9b7f6581720dbd12dc085aff5 /net/ipv4/tcp_highspeed.c | |
| parent | a0486407bea3f0545ee3fcfb768b6763c5c2b459 (diff) | |
| parent | a6f157a88d1398d7ccb743c5a56138edf6f6ef0b (diff) | |
Merge commit master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 of HEAD
* HEAD:
[NET]: fix __sk_stream_mem_reclaim
[Bluetooth] Fix deadlock in the L2CAP layer
[Bluetooth] Let BT_HIDP depend on INPUT
[Bluetooth] Avoid NULL pointer dereference with tty->driver
[Bluetooth] Remaining transitions to use kzalloc()
[WAN]: converting generic HDLC to use netif_dormant*()
[IPV4]: Fix error handling for fib_insert_node call
[NETROM] lockdep: fix false positive
[ROSE] lockdep: fix false positive
[AX.25]: Optimize AX.25 socket list lock
[IPCOMP]: Fix truesize after decompression
[IPV6]: Use ipv6_addr_src_scope for link address sorting.
[TCP] tcp_highspeed: Fix AI updates.
[MAINTAINERS]: Add proper entry for TC classifier
[NETROM]: Drop lock before calling nr_destroy_socket
[NETROM]: Fix locking order when establishing a NETROM circuit.
[AX.25]: Fix locking of ax25 protocol function list.
[IPV6]: order addresses by scope
Diffstat (limited to 'net/ipv4/tcp_highspeed.c')
| -rw-r--r-- | net/ipv4/tcp_highspeed.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/net/ipv4/tcp_highspeed.c b/net/ipv4/tcp_highspeed.c index aaa1538c0692..fa3e1aad660c 100644 --- a/net/ipv4/tcp_highspeed.c +++ b/net/ipv4/tcp_highspeed.c @@ -139,14 +139,19 @@ static void hstcp_cong_avoid(struct sock *sk, u32 adk, u32 rtt, tp->snd_cwnd++; } } else { - /* Update AIMD parameters */ + /* Update AIMD parameters. + * + * We want to guarantee that: + * hstcp_aimd_vals[ca->ai-1].cwnd < + * snd_cwnd <= + * hstcp_aimd_vals[ca->ai].cwnd + */ if (tp->snd_cwnd > hstcp_aimd_vals[ca->ai].cwnd) { while (tp->snd_cwnd > hstcp_aimd_vals[ca->ai].cwnd && ca->ai < HSTCP_AIMD_MAX - 1) ca->ai++; - } else if (tp->snd_cwnd < hstcp_aimd_vals[ca->ai].cwnd) { - while (tp->snd_cwnd > hstcp_aimd_vals[ca->ai].cwnd && - ca->ai > 0) + } else if (ca->ai && tp->snd_cwnd <= hstcp_aimd_vals[ca->ai-1].cwnd) { + while (ca->ai && tp->snd_cwnd <= hstcp_aimd_vals[ca->ai-1].cwnd) ca->ai--; } |