diff options
| author | David S. Miller <davem@davemloft.net> | 2011-02-02 17:05:11 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-02-02 20:48:47 -0800 |
| commit | 442b9635c569fef038d5367a7acd906db4677ae1 (patch) | |
| tree | c20d06ca161c70c0db61ed298eaf51102b67a38e /include/net/tcp.h | |
| parent | 5ea74318c68fcb38f02fc2fc920abd37d9a9bc33 (diff) | |
| download | lwn-442b9635c569fef038d5367a7acd906db4677ae1.tar.gz lwn-442b9635c569fef038d5367a7acd906db4677ae1.zip | |
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.h | 12 |
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); |