[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>

2 files changed, 12 insertions, 9 deletions

diff --git a/net/dccp/ccids/ccid3.c b/net/dccp/ccids/ccid3.c
index 63051eb1779d..1a0c5edb7b35 100644
--- a/net/dccp/ccids/ccid3.c
+++ b/net/dccp/ccids/ccid3.c
@@ -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;
diff --git a/net/dccp/ccids/ccid3.h b/net/dccp/ccids/ccid3.h
index a69cf887e3e3..7cbf2b1329d9 100644
--- a/net/dccp/ccids/ccid3.h
+++ b/net/dccp/ccids/ccid3.h
@@ -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;