diff options
Diffstat (limited to 'net')
| -rw-r--r-- | net/dccp/ccids/ccid3.c | 35 | ||||
| -rw-r--r-- | net/dccp/ccids/ccid3.h | 42 |
2 files changed, 39 insertions, 38 deletions
diff --git a/net/dccp/ccids/ccid3.c b/net/dccp/ccids/ccid3.c index ff41977..cfd1123 100644 --- a/net/dccp/ccids/ccid3.c +++ b/net/dccp/ccids/ccid3.c @@ -49,9 +49,9 @@ static inline u32 usecs_div(const u32 a, const u32 b) return b > 20 ? tmp / (b / 10) : tmp; } -#ifdef CCID3_DEBUG -extern int ccid3_debug; +static int ccid3_debug; +#ifdef CCID3_DEBUG #define ccid3_pr_debug(format, a...) \ do { if (ccid3_debug) \ printk(KERN_DEBUG "%s: " format, __FUNCTION__, ##a); \ @@ -60,37 +60,6 @@ extern int ccid3_debug; #define ccid3_pr_debug(format, a...) #endif -#define TFRC_MIN_PACKET_SIZE 16 -#define TFRC_STD_PACKET_SIZE 256 -#define TFRC_MAX_PACKET_SIZE 65535 - -#define TFRC_INITIAL_TIMEOUT (2 * USEC_PER_SEC) -/* two seconds as per CCID3 spec 11 */ - -#define TFRC_OPSYS_HALF_TIME_GRAN (USEC_PER_SEC / (2 * HZ)) -/* above is in usecs - half the scheduling granularity as per RFC3448 4.6 */ - -#define TFRC_WIN_COUNT_PER_RTT 4 -#define TFRC_WIN_COUNT_LIMIT 16 - -#define TFRC_MAX_BACK_OFF_TIME 64 -/* above is in seconds */ - -#define TFRC_SMALLEST_P 40 - -#define TFRC_RECV_IVAL_F_LENGTH 8 /* length(w[]) */ - -/* Number of later packets received before one is considered lost */ -#define TFRC_RECV_NUM_LATE_LOSS 3 - -enum ccid3_options { - TFRC_OPT_LOSS_EVENT_RATE = 192, - TFRC_OPT_LOSS_INTERVALS = 193, - TFRC_OPT_RECEIVE_RATE = 194, -}; - -static int ccid3_debug; - static struct dccp_tx_hist *ccid3_tx_hist; static struct dccp_rx_hist *ccid3_rx_hist; diff --git a/net/dccp/ccids/ccid3.h b/net/dccp/ccids/ccid3.h index 5ef72cd..f896570 100644 --- a/net/dccp/ccids/ccid3.h +++ b/net/dccp/ccids/ccid3.h @@ -36,8 +36,39 @@ #ifndef _DCCP_CCID3_H_ #define _DCCP_CCID3_H_ -#include <linux/types.h> +#include <linux/config.h> #include <linux/list.h> +#include <linux/time.h> +#include <linux/types.h> + +#define TFRC_MIN_PACKET_SIZE 16 +#define TFRC_STD_PACKET_SIZE 256 +#define TFRC_MAX_PACKET_SIZE 65535 + +/* Two seconds as per CCID3 spec */ +#define TFRC_INITIAL_TIMEOUT (2 * USEC_PER_SEC) + +/* In usecs - half the scheduling granularity as per RFC3448 4.6 */ +#define TFRC_OPSYS_HALF_TIME_GRAN (USEC_PER_SEC / (2 * HZ)) + +#define TFRC_WIN_COUNT_PER_RTT 4 +#define TFRC_WIN_COUNT_LIMIT 16 + +/* In seconds */ +#define TFRC_MAX_BACK_OFF_TIME 64 + +#define TFRC_SMALLEST_P 40 + +#define TFRC_RECV_IVAL_F_LENGTH 8 + +/* Number of later packets received before one is considered lost */ +#define TFRC_RECV_NUM_LATE_LOSS 3 + +enum ccid3_options { + TFRC_OPT_LOSS_EVENT_RATE = 192, + TFRC_OPT_LOSS_INTERVALS = 193, + TFRC_OPT_RECEIVE_RATE = 194, +}; struct ccid3_options_received { u64 ccid3or_seqno:48, @@ -47,7 +78,7 @@ struct ccid3_options_received { u32 ccid3or_receive_rate; }; -/** struct ccid3_hc_tx_sock - CCID3 sender half connection congestion control block +/** struct ccid3_hc_tx_sock - CCID3 sender half connection sock * * @ccid3hctx_state - Sender state * @ccid3hctx_x - Current sending rate @@ -57,7 +88,8 @@ struct ccid3_options_received { * @ccid3hctx_rtt - Estimate of current round trip time in usecs * @@ccid3hctx_p - Current loss event rate (0-1) scaled by 1000000 * @ccid3hctx_last_win_count - Last window counter sent - * @ccid3hctx_t_last_win_count - Timestamp of earliest packet with last_win_count value sent + * @ccid3hctx_t_last_win_count - Timestamp of earliest packet + * with last_win_count value sent * @ccid3hctx_no_feedback_timer - Handle to no feedback timer * @ccid3hctx_idle - FIXME * @ccid3hctx_t_ld - Time last doubled during slow start @@ -112,9 +144,9 @@ struct ccid3_hc_rx_sock { }; #define ccid3_hc_tx_field(s,field) (s->dccps_hc_tx_ccid_private == NULL ? 0 : \ - ((struct ccid3_hc_tx_sock *)s->dccps_hc_tx_ccid_private)->ccid3hctx_##field) + ((struct ccid3_hc_tx_sock *)s->dccps_hc_tx_ccid_private)->ccid3hctx_##field) #define ccid3_hc_rx_field(s,field) (s->dccps_hc_rx_ccid_private == NULL ? 0 : \ - ((struct ccid3_hc_rx_sock *)s->dccps_hc_rx_ccid_private)->ccid3hcrx_##field) + ((struct ccid3_hc_rx_sock *)s->dccps_hc_rx_ccid_private)->ccid3hcrx_##field) #endif /* _DCCP_CCID3_H_ */ |
