Hi David,
Am 03.02.2011 um 02:07 schrieb David Miller:
>
> Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
> ---
>
> I've left the DCCP code to keep using RFC3390 logic, if they
> wish to adopt this change in their code they can do so by
> simply deleting the rfc33390_bytes_to_packets() function and
> using TCP_INIT_CWND in their assignment.
>
> include/net/tcp.h | 12 +++---------
> net/dccp/ccids/ccid2.c | 9 +++++++++
> net/ipv4/tcp_input.c | 2 +-
> 3 files changed, 13 insertions(+), 10 deletions(-)
>
> diff --git a/include/net/tcp.h b/include/net/tcp.h
> index 9179111..7118668 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 */
>
Could you add a reference to draft?
> +/* 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);
>
Attachment:
PGP.sig
Description: Signierter Teil der Nachricht
