diff options
| author | Stephen Hemminger <shemminger@osdl.org> | 2004-09-26 21:58:11 -0700 |
|---|---|---|
| committer | David S. Miller <davem@kernel.bkbits.net> | 2004-09-26 21:58:11 -0700 |
| commit | c6932918fdd92db49fb875eca51db0a3860928f8 (patch) | |
| tree | 131a73d426003c10ab530476fcaaea93fd4edd71 /include/linux | |
| parent | 0ed667a99ef343bd053d52789a5a36b54130f38d (diff) | |
[TCP]: Choose congestion algorithm at initialization.
The choice of congestion algorithm needs to be made when connection
is setup to avoid problems when the sysctl values change later and the
necessary data hasn't been collected.
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/tcp.h | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/include/linux/tcp.h b/include/linux/tcp.h index c03df4894379..f374df7a823f 100644 --- a/include/linux/tcp.h +++ b/include/linux/tcp.h @@ -205,6 +205,13 @@ typedef struct tcp_pcount { __u32 val; } tcp_pcount_t; +enum tcp_congestion_algo { + TCP_RENO=0, + TCP_VEGAS, + TCP_WESTWOOD, + TCP_BIC, +}; + struct tcp_opt { int tcp_header_len; /* Bytes of tcp header to send */ @@ -265,7 +272,7 @@ struct tcp_opt { __u8 frto_counter; /* Number of new acks after RTO */ __u32 frto_highmark; /* snd_nxt when RTO occurred */ - __u8 unused_pad; + __u8 adv_cong; /* Using Vegas, Westwood, or BIC */ __u8 defer_accept; /* User waits for some data after accept() */ /* one byte hole, try to pack */ @@ -412,7 +419,6 @@ struct tcp_opt { __u32 beg_snd_nxt; /* right edge during last RTT */ __u32 beg_snd_una; /* left edge during last RTT */ __u32 beg_snd_cwnd; /* saves the size of the cwnd */ - __u8 do_vegas; /* do vegas for this connection */ __u8 doing_vegas_now;/* if true, do vegas for this RTT */ __u16 cntRTT; /* # of RTTs measured within last RTT */ __u32 minRTT; /* min of RTTs measured within last RTT (in usec) */ |