diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/tcp.h | 10 | ||||
| -rw-r--r-- | include/linux/wait.h | 23 |
2 files changed, 31 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) */ diff --git a/include/linux/wait.h b/include/linux/wait.h index 4417f800a639..21cd4df67b24 100644 --- a/include/linux/wait.h +++ b/include/linux/wait.h @@ -156,6 +156,29 @@ do { \ __wait_event(wq, condition); \ } while (0) +#define __wait_event_timeout(wq, condition, ret) \ +do { \ + DEFINE_WAIT(__wait); \ + \ + for (;;) { \ + prepare_to_wait(&wq, &__wait, TASK_UNINTERRUPTIBLE); \ + if (condition) \ + break; \ + ret = schedule_timeout(ret); \ + if (!ret) \ + break; \ + } \ + finish_wait(&wq, &__wait); \ +} while (0) + +#define wait_event_timeout(wq, condition, timeout) \ +({ \ + long __ret = timeout; \ + if (!(condition)) \ + __wait_event_timeout(wq, condition, __ret); \ + __ret; \ +}) + #define __wait_event_interruptible(wq, condition, ret) \ do { \ DEFINE_WAIT(__wait); \ |