[DCCP]: Convert ccid3hctx_t_ld to ktime_t

Signed-off-by: NArnaldo Carvalho de Melo <acme@ghostprotocols.net>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

net/dccp/ccids/ccid3.c

@@ -154,12 +154,10 @@ static void ccid3_hc_tx_update_x(struct sock *sk)
 								TFRC_T_MBI);
 
 	} else {
-		struct timeval now;
+		const ktime_t now = ktime_get_real();
 
-		dccp_timestamp(sk, &now);
-
-		if ((timeval_delta(&now, &hctx->ccid3hctx_t_ld) -
-		     (suseconds_t)hctx->ccid3hctx_rtt) >= 0) {
+		if ((ktime_us_delta(now, hctx->ccid3hctx_t_ld) -
+		     (s64)hctx->ccid3hctx_rtt) >= 0) {
 
 			hctx->ccid3hctx_x =
 				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)
 			ccid3_pr_debug("SYN RTT = %uus\n", dp->dccps_syn_rtt);
 			hctx->ccid3hctx_rtt  = dp->dccps_syn_rtt;
 			hctx->ccid3hctx_x    = rfc3390_initial_rate(sk);
-			hctx->ccid3hctx_t_ld = ktime_to_timeval(now);
+			hctx->ccid3hctx_t_ld = now;
 		} else {
 			/* Sender does not have RTT sample: X = MSS/second */
 			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)
 			 */
 			hctx->ccid3hctx_rtt  = r_sample;
 			hctx->ccid3hctx_x    = rfc3390_initial_rate(sk);
-			hctx->ccid3hctx_t_ld = now;
+			hctx->ccid3hctx_t_ld = timeval_to_ktime(now);
 
 			ccid3_update_send_interval(hctx);
 

net/dccp/ccids/ccid3.h

@@ -38,7 +38,6 @@
 
 #include <linux/ktime.h>
 #include <linux/list.h>
-#include <linux/time.h>
 #include <linux/types.h>
 #include <linux/tfrc.h>
 #include "../ccid.h"
@@ -111,7 +110,7 @@ struct ccid3_hc_tx_sock {
 	u8				ccid3hctx_idle;
 	ktime_t				ccid3hctx_t_last_win_count;
 	struct timer_list		ccid3hctx_no_feedback_timer;
-	struct timeval			ccid3hctx_t_ld;
+	ktime_t				ccid3hctx_t_ld;
 	ktime_t				ccid3hctx_t_nom;
 	u32				ccid3hctx_delta;
 	struct list_head		ccid3hctx_hist;