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dccp: do not use tcp_time_stamp

Selaa lähdekoodia 
Use our own macro instead of abusing tcp_time_stamp

Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Soheil Hassas Yeganeh <soheil@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet
2017-05-16 14:00:02 -07:00
committed by David S. Miller
vanhempi ec66eda82d
commit d011b9a448
2 muutettua tiedostoa jossa 5 lisäystä ja 5 poistoa
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8
net/dccp/ccids/ccid2.c
Näytä tiedosto

@@ -233,7 +233,7 @@ static void ccid2_hc_tx_packet_sent(struct sock *sk, unsigned int len)
{
struct dccp_sock *dp = dccp_sk(sk);
struct ccid2_hc_tx_sock *hc = ccid2_hc_tx_sk(sk);
const u32 now = ccid2_time_stamp;
const u32 now = ccid2_jiffies32;
struct ccid2_seq *next;
/* slow-start after idle periods (RFC 2581, RFC 2861) */
@@ -466,7 +466,7 @@ static void ccid2_new_ack(struct sock *sk, struct ccid2_seq *seqp,
* The cleanest solution is to not use the ccid2s_sent field at all
* and instead use DCCP timestamps: requires changes in other places.
*/
ccid2_rtt_estimator(sk, ccid2_time_stamp - seqp->ccid2s_sent);
ccid2_rtt_estimator(sk, ccid2_jiffies32 - seqp->ccid2s_sent);
}
static void ccid2_congestion_event(struct sock *sk, struct ccid2_seq *seqp)
@@ -478,7 +478,7 @@ static void ccid2_congestion_event(struct sock *sk, struct ccid2_seq *seqp)
return;
}
hc->tx_last_cong = ccid2_time_stamp;
hc->tx_last_cong = ccid2_jiffies32;
hc->tx_cwnd = hc->tx_cwnd / 2 ? : 1U;
hc->tx_ssthresh = max(hc->tx_cwnd, 2U);
@@ -731,7 +731,7 @@ static int ccid2_hc_tx_init(struct ccid *ccid, struct sock *sk)
hc->tx_rto = DCCP_TIMEOUT_INIT;
hc->tx_rpdupack = -1;
hc->tx_last_cong = hc->tx_lsndtime = hc->tx_cwnd_stamp = ccid2_time_stamp;
hc->tx_last_cong = hc->tx_lsndtime = hc->tx_cwnd_stamp = ccid2_jiffies32;
hc->tx_cwnd_used = 0;
setup_timer(&hc->tx_rtotimer, ccid2_hc_tx_rto_expire,
(unsigned long)sk);

2
net/dccp/ccids/ccid2.h
Näytä tiedosto

@@ -27,7 +27,7 @@
* CCID-2 timestamping faces the same issues as TCP timestamping.
* Hence we reuse/share as much of the code as possible.
*/
#define ccid2_time_stamp tcp_time_stamp
#define ccid2_jiffies32 ((u32)jiffies)
/* NUMDUPACK parameter from RFC 4341, p. 6 */
#define NUMDUPACK 3