summaryrefslogtreecommitdiffstats
path: root/net/dccp
diff options
context:
space:
mode:
Diffstat (limited to 'net/dccp')
-rw-r--r--net/dccp/ccids/ccid3.c22
-rw-r--r--net/dccp/ccids/ccid3.h2
2 files changed, 15 insertions, 9 deletions
diff --git a/net/dccp/ccids/ccid3.c b/net/dccp/ccids/ccid3.c
index 42d3dbc..63051eb 100644
--- a/net/dccp/ccids/ccid3.c
+++ b/net/dccp/ccids/ccid3.c
@@ -876,7 +876,6 @@ static void ccid3_hc_rx_packet_recv(struct sock *sk, struct sk_buff *skb)
struct ccid3_hc_rx_sock *hcrx = ccid3_hc_rx_sk(sk);
const struct dccp_options_received *opt_recv;
struct dccp_rx_hist_entry *packet;
- struct timeval now;
u32 p_prev, r_sample, rtt_prev;
int loss, payload_size;
@@ -888,7 +887,9 @@ 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:
+ case DCCP_PKT_DATAACK: {
+ struct timeval now;
+
if (opt_recv->dccpor_timestamp_echo == 0)
break;
rtt_prev = hcrx->ccid3hcrx_rtt;
@@ -906,6 +907,7 @@ 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 */
@@ -936,18 +938,21 @@ 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:
+ case TFRC_RSTATE_DATA: {
+ ktime_t now;
+
hcrx->ccid3hcrx_bytes_recv += payload_size;
if (loss)
break;
- dccp_timestamp(sk, &now);
- if ((timeval_delta(&now, &hcrx->ccid3hcrx_tstamp_last_ack) -
- (suseconds_t)hcrx->ccid3hcrx_rtt) >= 0) {
+ now = ktime_get_real();
+ if ((ktime_us_delta(now, hcrx->ccid3hcrx_tstamp_last_ack) -
+ (s64)hcrx->ccid3hcrx_rtt) >= 0) {
hcrx->ccid3hcrx_tstamp_last_ack = now;
ccid3_hc_rx_send_feedback(sk);
}
return;
+ }
case TFRC_RSTATE_TERM:
DCCP_BUG("%s(%p) - Illegal state TERM", dccp_role(sk), sk);
return;
@@ -984,8 +989,9 @@ 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);
- dccp_timestamp(sk, &hcrx->ccid3hcrx_tstamp_last_ack);
- hcrx->ccid3hcrx_tstamp_last_feedback = hcrx->ccid3hcrx_tstamp_last_ack;
+ hcrx->ccid3hcrx_tstamp_last_ack = ktime_get_real();
+ hcrx->ccid3hcrx_tstamp_last_feedback =
+ ktime_to_timeval(hcrx->ccid3hcrx_tstamp_last_ack);
hcrx->ccid3hcrx_s = 0;
hcrx->ccid3hcrx_rtt = 0;
return 0;
diff --git a/net/dccp/ccids/ccid3.h b/net/dccp/ccids/ccid3.h
index dcb6b67..a69cf88 100644
--- a/net/dccp/ccids/ccid3.h
+++ b/net/dccp/ccids/ccid3.h
@@ -153,7 +153,7 @@ struct ccid3_hc_rx_sock {
enum ccid3_hc_rx_states ccid3hcrx_state:8;
u32 ccid3hcrx_bytes_recv;
struct timeval ccid3hcrx_tstamp_last_feedback;
- struct timeval ccid3hcrx_tstamp_last_ack;
+ ktime_t ccid3hcrx_tstamp_last_ack;
struct list_head ccid3hcrx_hist;
struct list_head ccid3hcrx_li_hist;
u16 ccid3hcrx_s;
OpenPOWER on IntegriCloud