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authorStephen Hemminger <shemminger@linux-foundation.org>2007-07-16 18:35:52 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2007-07-18 01:46:58 -0700
commit16751347a060a10c09b11593bb179fd5b0240c04 (patch)
tree40399ba217d9e4c45060c4d12334c53f931ca635 /include/net
parent44beac008631d1b8a52f103e04eacba2bda81511 (diff)
[TCP]: remove unused argument to cong_avoid op
None of the existing TCP congestion controls use the rtt value pased in the ca_ops->cong_avoid interface. Which is lucky because seq_rtt could have been -1 when handling a duplicate ack. Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net')
-rw-r--r--include/net/tcp.h6
1 files changed, 2 insertions, 4 deletions
diff --git a/include/net/tcp.h b/include/net/tcp.h
index a8af9ae0017..8b404b1ef7c 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -652,8 +652,7 @@ struct tcp_congestion_ops {
/* lower bound for congestion window (optional) */
u32 (*min_cwnd)(const struct sock *sk);
/* do new cwnd calculation (required) */
- void (*cong_avoid)(struct sock *sk, u32 ack,
- u32 rtt, u32 in_flight, int good_ack);
+ void (*cong_avoid)(struct sock *sk, u32 ack, u32 in_flight, int good_ack);
/* call before changing ca_state (optional) */
void (*set_state)(struct sock *sk, u8 new_state);
/* call when cwnd event occurs (optional) */
@@ -684,8 +683,7 @@ extern void tcp_slow_start(struct tcp_sock *tp);
extern struct tcp_congestion_ops tcp_init_congestion_ops;
extern u32 tcp_reno_ssthresh(struct sock *sk);
-extern void tcp_reno_cong_avoid(struct sock *sk, u32 ack,
- u32 rtt, u32 in_flight, int flag);
+extern void tcp_reno_cong_avoid(struct sock *sk, u32 ack, u32 in_flight, int flag);
extern u32 tcp_reno_min_cwnd(const struct sock *sk);
extern struct tcp_congestion_ops tcp_reno;