summaryrefslogtreecommitdiff
path: root/include/net/tcp.h
diff options
context:
space:
mode:
authorDavid S. Miller <davem@davemloft.net>2011-02-02 17:05:11 -0800
committerDavid S. Miller <davem@davemloft.net>2011-02-02 20:48:47 -0800
commit442b9635c569fef038d5367a7acd906db4677ae1 (patch)
treec20d06ca161c70c0db61ed298eaf51102b67a38e /include/net/tcp.h
parent5ea74318c68fcb38f02fc2fc920abd37d9a9bc33 (diff)
tcp: Increase the initial congestion window to 10.
Signed-off-by: David S. Miller <davem@davemloft.net> Acked-by: Nandita Dukkipati <nanditad@google.com>
Diffstat (limited to 'include/net/tcp.h')
-rw-r--r--include/net/tcp.h12
1 files changed, 3 insertions, 9 deletions
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 917911165e3b..7118668ad534 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -196,6 +196,9 @@ extern void tcp_time_wait(struct sock *sk, int state, int timeo);
/* TCP thin-stream limits */
#define TCP_THIN_LINEAR_RETRIES 6 /* After 6 linear retries, do exp. backoff */
+/* TCP initial congestion window */
+#define TCP_INIT_CWND 10
+
extern struct inet_timewait_death_row tcp_death_row;
/* sysctl variables for tcp */
@@ -799,15 +802,6 @@ static inline __u32 tcp_current_ssthresh(const struct sock *sk)
/* Use define here intentionally to get WARN_ON location shown at the caller */
#define tcp_verify_left_out(tp) WARN_ON(tcp_left_out(tp) > tp->packets_out)
-/*
- * Convert RFC 3390 larger initial window into an equivalent number of packets.
- * This is based on the numbers specified in RFC 5681, 3.1.
- */
-static inline u32 rfc3390_bytes_to_packets(const u32 smss)
-{
- return smss <= 1095 ? 4 : (smss > 2190 ? 2 : 3);
-}
-
extern void tcp_enter_cwr(struct sock *sk, const int set_ssthresh);
extern __u32 tcp_init_cwnd(struct tcp_sock *tp, struct dst_entry *dst);