[DCCP] packet_history: convert dccphrx_tstamp to ktime_t

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

4 files changed, 14 insertions, 18 deletions

diff --git a/net/dccp/ccids/ccid3.c b/net/dccp/ccids/ccid3.c
index 6b12e9faef30..b21d8110298c 100644
--- a/net/dccp/ccids/ccid3.c
+++ b/net/dccp/ccids/ccid3.c
@@ -727,7 +727,7 @@ 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;
-        ktime_t now, t_hist;
+        ktime_t now;
         suseconds_t delta;
 
         ccid3_pr_debug("%s(%p) - entry \n", dccp_role(sk), sk);
@@ -762,8 +762,7 @@ 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 */
-        t_hist = timeval_to_ktime(packet->dccphrx_tstamp);
-        delta = ktime_us_delta(now, t_hist);
+        delta = ktime_us_delta(now, packet->dccphrx_tstamp);
         DCCP_BUG_ON(delta < 0);
         hcrx->ccid3hcrx_elapsed_time = delta / 10;
 
@@ -834,13 +833,11 @@ 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,
-                                  &tstamp,
+                                  hcrx->ccid3hcrx_tstamp_last_feedback,
                                   hcrx->ccid3hcrx_s,
                                   hcrx->ccid3hcrx_bytes_recv,
                                   hcrx->ccid3hcrx_x_recv,
@@ -913,7 +910,7 @@ static void ccid3_hc_rx_packet_recv(struct sock *sk, struct sk_buff *skb)
                 return;
         }
 
-        packet = dccp_rx_hist_entry_new(ccid3_rx_hist, sk, opt_recv->dccpor_ndp,
+        packet = dccp_rx_hist_entry_new(ccid3_rx_hist, opt_recv->dccpor_ndp,
                                         skb, GFP_ATOMIC);
         if (unlikely(packet == NULL)) {
                 DCCP_WARN("%s(%p), Not enough mem to add rx packet "
diff --git a/net/dccp/ccids/lib/loss_interval.c b/net/dccp/ccids/lib/loss_interval.c
index 174d3f13d93f..40ad428a27f5 100644
--- a/net/dccp/ccids/lib/loss_interval.c
+++ b/net/dccp/ccids/lib/loss_interval.c
@@ -125,14 +125,14 @@ static int dccp_li_hist_interval_new(struct list_head *list,
  * returns estimated loss interval in usecs */
 static u32 dccp_li_calc_first_li(struct sock *sk,
                                  struct list_head *hist_list,
-                                 struct timeval *last_feedback,
+                                 ktime_t last_feedback,
                                  u16 s, u32 bytes_recv,
                                  u32 previous_x_recv)
 {
         struct dccp_rx_hist_entry *entry, *next, *tail = NULL;
         u32 x_recv, p;
         suseconds_t rtt, delta;
-        struct timeval tstamp = { 0, 0 };
+        ktime_t tstamp = ktime_set(0, 0);
         int interval = 0;
         int win_count = 0;
         int step = 0;
@@ -176,7 +176,7 @@ found:
                 return ~0;
         }
 
-        delta = timeval_delta(&tstamp, &tail->dccphrx_tstamp);
+        delta = ktime_us_delta(tstamp, tail->dccphrx_tstamp);
         DCCP_BUG_ON(delta < 0);
 
         rtt = delta * 4 / interval;
@@ -196,8 +196,7 @@ found:
                 return ~0;
         }
 
-        dccp_timestamp(sk, &tstamp);
-        delta = timeval_delta(&tstamp, last_feedback);
+        delta = ktime_us_delta(ktime_get_real(), last_feedback);
         DCCP_BUG_ON(delta <= 0);
 
         x_recv = scaled_div32(bytes_recv, delta);
@@ -226,7 +225,7 @@ found:
 void dccp_li_update_li(struct sock *sk,
                        struct list_head *li_hist_list,
                        struct list_head *hist_list,
-                       struct timeval *last_feedback, u16 s, u32 bytes_recv,
+                       ktime_t last_feedback, u16 s, u32 bytes_recv,
                        u32 previous_x_recv, u64 seq_loss, u8 win_loss)
 {
         struct dccp_li_hist_entry *head;
diff --git a/net/dccp/ccids/lib/loss_interval.h b/net/dccp/ccids/lib/loss_interval.h
index 906c806d6d9d..27bee92dae13 100644
--- a/net/dccp/ccids/lib/loss_interval.h
+++ b/net/dccp/ccids/lib/loss_interval.h
@@ -13,8 +13,8 @@
  *  any later version.
  */
 
+#include <linux/ktime.h>
 #include <linux/list.h>
-#include <linux/time.h>
 
 extern void dccp_li_hist_purge(struct list_head *list);
 
@@ -23,7 +23,7 @@ extern u32 dccp_li_hist_calc_i_mean(struct list_head *list);
 extern void dccp_li_update_li(struct sock *sk,
                               struct list_head *li_hist_list,
                               struct list_head *hist_list,
-                              struct timeval *last_feedback, u16 s,
+                              ktime_t last_feedback, u16 s,
                               u32 bytes_recv, u32 previous_x_recv,
                               u64 seq_loss, u8 win_loss);
 #endif /* _DCCP_LI_HIST_ */
diff --git a/net/dccp/ccids/lib/packet_history.h b/net/dccp/ccids/lib/packet_history.h
index 60d00f015390..d9d68964d952 100644
--- a/net/dccp/ccids/lib/packet_history.h
+++ b/net/dccp/ccids/lib/packet_history.h
@@ -37,6 +37,7 @@
 #ifndef _DCCP_PKT_HIST_
 #define _DCCP_PKT_HIST_
 
+#include <linux/ktime.h>
 #include <linux/list.h>
 #include <linux/slab.h>
 #include <linux/time.h>
@@ -124,7 +125,7 @@ struct dccp_rx_hist_entry {
                          dccphrx_ccval:4,
                          dccphrx_type:4;
         u32              dccphrx_ndp; /* In fact it is from 8 to 24 bits */
-        struct timeval   dccphrx_tstamp;
+        ktime_t          dccphrx_tstamp;
 };
 
 struct dccp_rx_hist {
@@ -136,7 +137,6 @@ extern void 		dccp_rx_hist_delete(struct dccp_rx_hist *hist);
 
 static inline struct dccp_rx_hist_entry *
                         dccp_rx_hist_entry_new(struct dccp_rx_hist *hist,
-                                               const struct sock *sk,
                                                const u32 ndp,
                                                const struct sk_buff *skb,
                                                const gfp_t prio)
@@ -151,7 +151,7 @@ static inline struct dccp_rx_hist_entry *
                 entry->dccphrx_ccval = dh->dccph_ccval;
                 entry->dccphrx_type  = dh->dccph_type;
                 entry->dccphrx_ndp   = ndp;
-                dccp_timestamp(sk, &entry->dccphrx_tstamp);
+                entry->dccphrx_tstamp = ktime_get_real();
         }
 
         return entry;