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[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>
This commit is contained in:
Arnaldo Carvalho de Melo 2007-08-19 17:17:51 -07:00 committed by David S. Miller
parent b8bda9d708
commit e7c2335794
4 changed files with 14 additions and 18 deletions
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11
net/dccp/ccids/ccid3.c
View File

@ -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 "

11
net/dccp/ccids/lib/loss_interval.c
View File

@ -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 @@ static u32 dccp_li_calc_first_li(struct sock *sk,
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 @@ static u32 dccp_li_calc_first_li(struct sock *sk,
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 @@ static u32 dccp_li_calc_first_li(struct sock *sk,
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;

4
net/dccp/ccids/lib/loss_interval.h
View File

@ -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_ */

6
net/dccp/ccids/lib/packet_history.h
View File

@ -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;