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path: root/net/dccp/ccids/ccid3.c
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Diffstat (limited to 'net/dccp/ccids/ccid3.c')
-rw-r--r--net/dccp/ccids/ccid3.c12
1 files changed, 5 insertions, 7 deletions
diff --git a/net/dccp/ccids/ccid3.c b/net/dccp/ccids/ccid3.c
index d0763adbce2..42d3dbc1874 100644
--- a/net/dccp/ccids/ccid3.c
+++ b/net/dccp/ccids/ccid3.c
@@ -154,12 +154,10 @@ static void ccid3_hc_tx_update_x(struct sock *sk)
154 TFRC_T_MBI); 154 TFRC_T_MBI);
155 155
156 } else { 156 } else {
157 struct timeval now; 157 const ktime_t now = ktime_get_real();
158 158
159 dccp_timestamp(sk, &now); 159 if ((ktime_us_delta(now, hctx->ccid3hctx_t_ld) -
160 160 (s64)hctx->ccid3hctx_rtt) >= 0) {
161 if ((timeval_delta(&now, &hctx->ccid3hctx_t_ld) -
162 (suseconds_t)hctx->ccid3hctx_rtt) >= 0) {
163 161
164 hctx->ccid3hctx_x = 162 hctx->ccid3hctx_x =
165 max(min(2 * hctx->ccid3hctx_x, min_rate), 163 max(min(2 * hctx->ccid3hctx_x, min_rate),
@@ -343,7 +341,7 @@ static int ccid3_hc_tx_send_packet(struct sock *sk, struct sk_buff *skb)
343 ccid3_pr_debug("SYN RTT = %uus\n", dp->dccps_syn_rtt); 341 ccid3_pr_debug("SYN RTT = %uus\n", dp->dccps_syn_rtt);
344 hctx->ccid3hctx_rtt = dp->dccps_syn_rtt; 342 hctx->ccid3hctx_rtt = dp->dccps_syn_rtt;
345 hctx->ccid3hctx_x = rfc3390_initial_rate(sk); 343 hctx->ccid3hctx_x = rfc3390_initial_rate(sk);
346 hctx->ccid3hctx_t_ld = ktime_to_timeval(now); 344 hctx->ccid3hctx_t_ld = now;
347 } else { 345 } else {
348 /* Sender does not have RTT sample: X = MSS/second */ 346 /* Sender does not have RTT sample: X = MSS/second */
349 hctx->ccid3hctx_x = dp->dccps_mss_cache; 347 hctx->ccid3hctx_x = dp->dccps_mss_cache;
@@ -477,7 +475,7 @@ static void ccid3_hc_tx_packet_recv(struct sock *sk, struct sk_buff *skb)
477 */ 475 */
478 hctx->ccid3hctx_rtt = r_sample; 476 hctx->ccid3hctx_rtt = r_sample;
479 hctx->ccid3hctx_x = rfc3390_initial_rate(sk); 477 hctx->ccid3hctx_x = rfc3390_initial_rate(sk);
480 hctx->ccid3hctx_t_ld = now; 478 hctx->ccid3hctx_t_ld = timeval_to_ktime(now);
481 479
482 ccid3_update_send_interval(hctx); 480 ccid3_update_send_interval(hctx);
483 481