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[DCCP]: Convert ccid3hcrx_tstamp_last_feedback to ktime_t 

Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
wifi-calibration
Arnaldo Carvalho de Melo 2007-08-19 17:15:37 -07:00 committed by David S. Miller
parent 1faf0a1f5d
commit e7a81c6d62
2 changed files with 12 additions and 9 deletions
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19
net/dccp/ccids/ccid3.c
View File

@ -729,20 +729,21 @@ static void ccid3_hc_rx_send_feedback(struct sock *sk)
struct ccid3_hc_rx_sock *hcrx = ccid3_hc_rx_sk(sk);
struct dccp_sock *dp = dccp_sk(sk);
struct dccp_rx_hist_entry *packet;
struct timeval now;
struct timeval tnow;
ktime_t now;
suseconds_t delta;
ccid3_pr_debug("%s(%p) - entry \n", dccp_role(sk), sk);
dccp_timestamp(sk, &now);
now = ktime_get_real();
switch (hcrx->ccid3hcrx_state) {
case TFRC_RSTATE_NO_DATA:
hcrx->ccid3hcrx_x_recv = 0;
break;
case TFRC_RSTATE_DATA:
delta = timeval_delta(&now,
&hcrx->ccid3hcrx_tstamp_last_feedback);
delta = ktime_us_delta(now,
hcrx->ccid3hcrx_tstamp_last_feedback);
DCCP_BUG_ON(delta < 0);
hcrx->ccid3hcrx_x_recv =
scaled_div32(hcrx->ccid3hcrx_bytes_recv, delta);
@ -764,7 +765,8 @@ static void ccid3_hc_rx_send_feedback(struct sock *sk)
hcrx->ccid3hcrx_bytes_recv = 0;
/* Elapsed time information [RFC 4340, 13.2] in units of 10 * usecs */
delta = timeval_delta(&now, &packet->dccphrx_tstamp);
tnow = ktime_to_timeval(now);
delta = timeval_delta(&tnow, &packet->dccphrx_tstamp);
DCCP_BUG_ON(delta < 0);
hcrx->ccid3hcrx_elapsed_time = delta / 10;
@ -835,11 +837,13 @@ static int ccid3_hc_rx_detect_loss(struct sock *sk,
while (dccp_delta_seqno(hcrx->ccid3hcrx_seqno_nonloss, seqno)
> TFRC_RECV_NUM_LATE_LOSS) {
struct timeval tstamp =
ktime_to_timeval(hcrx->ccid3hcrx_tstamp_last_feedback);
loss = 1;
dccp_li_update_li(sk,
&hcrx->ccid3hcrx_li_hist,
&hcrx->ccid3hcrx_hist,
&hcrx->ccid3hcrx_tstamp_last_feedback,
&tstamp,
hcrx->ccid3hcrx_s,
hcrx->ccid3hcrx_bytes_recv,
hcrx->ccid3hcrx_x_recv,
@ -989,9 +993,8 @@ static int ccid3_hc_rx_init(struct ccid *ccid, struct sock *sk)
hcrx->ccid3hcrx_state = TFRC_RSTATE_NO_DATA;
INIT_LIST_HEAD(&hcrx->ccid3hcrx_hist);
INIT_LIST_HEAD(&hcrx->ccid3hcrx_li_hist);
hcrx->ccid3hcrx_tstamp_last_ack = ktime_get_real();
hcrx->ccid3hcrx_tstamp_last_feedback =
ktime_to_timeval(hcrx->ccid3hcrx_tstamp_last_ack);
hcrx->ccid3hcrx_tstamp_last_ack = ktime_get_real();
hcrx->ccid3hcrx_s = 0;
hcrx->ccid3hcrx_rtt = 0;
return 0;

2
net/dccp/ccids/ccid3.h
View File

@ -152,7 +152,7 @@ struct ccid3_hc_rx_sock {
ccid3hcrx_ccval_last_counter:4;
enum ccid3_hc_rx_states ccid3hcrx_state:8;
u32 ccid3hcrx_bytes_recv;
struct timeval ccid3hcrx_tstamp_last_feedback;
ktime_t ccid3hcrx_tstamp_last_feedback;
ktime_t ccid3hcrx_tstamp_last_ack;
struct list_head ccid3hcrx_hist;
struct list_head ccid3hcrx_li_hist;