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[DCCP]: Convert dccp_sample_rtt to ktime_t

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Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Arnaldo Carvalho de Melo
2007-08-19 17:16:35 -07:00
committed by David S. Miller
parent a272378d11
commit 9823b7b554
3 changed files with 23 additions and 30 deletions
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25
net/dccp/ccids/ccid3.c
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@@ -414,7 +414,7 @@ static void ccid3_hc_tx_packet_recv(struct sock *sk, struct sk_buff *skb)
struct ccid3_hc_tx_sock *hctx = ccid3_hc_tx_sk(sk);
struct ccid3_options_received *opt_recv;
struct dccp_tx_hist_entry *packet;
struct timeval now;
ktime_t now, t_hist;
unsigned long t_nfb;
u32 pinv, r_sample;
@@ -452,13 +452,13 @@ static void ccid3_hc_tx_packet_recv(struct sock *sk, struct sk_buff *skb)
else /* can not exceed 100% */
hctx->ccid3hctx_p = 1000000 / pinv;
dccp_timestamp(sk, &now);
now = ktime_get_real();
t_hist = timeval_to_ktime(packet->dccphtx_tstamp);
/*
* Calculate new round trip sample as per [RFC 3448, 4.3] by
* R_sample = (now - t_recvdata) - t_elapsed
*/
r_sample = dccp_sample_rtt(sk, &now, &packet->dccphtx_tstamp);
r_sample = dccp_sample_rtt(sk, now, &t_hist);
/*
* Update RTT estimate by
@@ -475,7 +475,7 @@ static void ccid3_hc_tx_packet_recv(struct sock *sk, struct sk_buff *skb)
*/
hctx->ccid3hctx_rtt = r_sample;
hctx->ccid3hctx_x = rfc3390_initial_rate(sk);
hctx->ccid3hctx_t_ld = timeval_to_ktime(now);
hctx->ccid3hctx_t_ld = now;
ccid3_update_send_interval(hctx);
@@ -882,6 +882,7 @@ static void ccid3_hc_rx_packet_recv(struct sock *sk, struct sk_buff *skb)
struct dccp_rx_hist_entry *packet;
u32 p_prev, r_sample, rtt_prev;
int loss, payload_size;
ktime_t now;
BUG_ON(hcrx == NULL);
@@ -891,14 +892,12 @@ static void ccid3_hc_rx_packet_recv(struct sock *sk, struct sk_buff *skb)
case DCCP_PKT_ACK:
if (hcrx->ccid3hcrx_state == TFRC_RSTATE_NO_DATA)
return;
case DCCP_PKT_DATAACK: {
struct timeval now;
case DCCP_PKT_DATAACK:
if (opt_recv->dccpor_timestamp_echo == 0)
break;
rtt_prev = hcrx->ccid3hcrx_rtt;
dccp_timestamp(sk, &now);
r_sample = dccp_sample_rtt(sk, &now, NULL);
now = ktime_get_real();
r_sample = dccp_sample_rtt(sk, now, NULL);
if (hcrx->ccid3hcrx_state == TFRC_RSTATE_NO_DATA)
hcrx->ccid3hcrx_rtt = r_sample;
@@ -911,7 +910,6 @@ static void ccid3_hc_rx_packet_recv(struct sock *sk, struct sk_buff *skb)
dccp_role(sk), sk, hcrx->ccid3hcrx_rtt,
opt_recv->dccpor_elapsed_time);
break;
}
case DCCP_PKT_DATA:
break;
default: /* We're not interested in other packet types, move along */
@@ -942,9 +940,7 @@ static void ccid3_hc_rx_packet_recv(struct sock *sk, struct sk_buff *skb)
ccid3_hc_rx_send_feedback(sk);
ccid3_hc_rx_set_state(sk, TFRC_RSTATE_DATA);
return;
case TFRC_RSTATE_DATA: {
ktime_t now;
case TFRC_RSTATE_DATA:
hcrx->ccid3hcrx_bytes_recv += payload_size;
if (loss)
break;
@@ -956,7 +952,6 @@ static void ccid3_hc_rx_packet_recv(struct sock *sk, struct sk_buff *skb)
ccid3_hc_rx_send_feedback(sk);
}
return;
}
case TFRC_RSTATE_TERM:
DCCP_BUG("%s(%p) - Illegal state TERM", dccp_role(sk), sk);
return;