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Diffstat (limited to 'net/sctp/transport.c')
-rw-r--r--net/sctp/transport.c23
1 files changed, 13 insertions, 10 deletions
diff --git a/net/sctp/transport.c b/net/sctp/transport.c
index c97472b248a2..953c21e4af97 100644
--- a/net/sctp/transport.c
+++ b/net/sctp/transport.c
@@ -59,7 +59,8 @@
/* 1st Level Abstractions. */
/* Initialize a new transport from provided memory. */
-static struct sctp_transport *sctp_transport_init(struct sctp_transport *peer,
+static struct sctp_transport *sctp_transport_init(struct net *net,
+ struct sctp_transport *peer,
const union sctp_addr *addr,
gfp_t gfp)
{
@@ -76,7 +77,7 @@ static struct sctp_transport *sctp_transport_init(struct sctp_transport *peer,
* given destination transport address, set RTO to the protocol
* parameter 'RTO.Initial'.
*/
- peer->rto = msecs_to_jiffies(sctp_rto_initial);
+ peer->rto = msecs_to_jiffies(net->sctp.rto_initial);
peer->last_time_heard = jiffies;
peer->last_time_ecne_reduced = jiffies;
@@ -86,8 +87,8 @@ static struct sctp_transport *sctp_transport_init(struct sctp_transport *peer,
SPP_SACKDELAY_ENABLE;
/* Initialize the default path max_retrans. */
- peer->pathmaxrxt = sctp_max_retrans_path;
- peer->pf_retrans = sctp_pf_retrans;
+ peer->pathmaxrxt = net->sctp.max_retrans_path;
+ peer->pf_retrans = net->sctp.pf_retrans;
INIT_LIST_HEAD(&peer->transmitted);
INIT_LIST_HEAD(&peer->send_ready);
@@ -109,7 +110,8 @@ static struct sctp_transport *sctp_transport_init(struct sctp_transport *peer,
}
/* Allocate and initialize a new transport. */
-struct sctp_transport *sctp_transport_new(const union sctp_addr *addr,
+struct sctp_transport *sctp_transport_new(struct net *net,
+ const union sctp_addr *addr,
gfp_t gfp)
{
struct sctp_transport *transport;
@@ -118,7 +120,7 @@ struct sctp_transport *sctp_transport_new(const union sctp_addr *addr,
if (!transport)
goto fail;
- if (!sctp_transport_init(transport, addr, gfp))
+ if (!sctp_transport_init(net, transport, addr, gfp))
goto fail_init;
transport->malloced = 1;
@@ -316,6 +318,7 @@ void sctp_transport_update_rto(struct sctp_transport *tp, __u32 rtt)
SCTP_ASSERT(tp->rto_pending, "rto_pending not set", return);
if (tp->rttvar || tp->srtt) {
+ struct net *net = sock_net(tp->asoc->base.sk);
/* 6.3.1 C3) When a new RTT measurement R' is made, set
* RTTVAR <- (1 - RTO.Beta) * RTTVAR + RTO.Beta * |SRTT - R'|
* SRTT <- (1 - RTO.Alpha) * SRTT + RTO.Alpha * R'
@@ -327,10 +330,10 @@ void sctp_transport_update_rto(struct sctp_transport *tp, __u32 rtt)
* For example, assuming the default value of RTO.Alpha of
* 1/8, rto_alpha would be expressed as 3.
*/
- tp->rttvar = tp->rttvar - (tp->rttvar >> sctp_rto_beta)
- + ((abs(tp->srtt - rtt)) >> sctp_rto_beta);
- tp->srtt = tp->srtt - (tp->srtt >> sctp_rto_alpha)
- + (rtt >> sctp_rto_alpha);
+ tp->rttvar = tp->rttvar - (tp->rttvar >> net->sctp.rto_beta)
+ + ((abs(tp->srtt - rtt)) >> net->sctp.rto_beta);
+ tp->srtt = tp->srtt - (tp->srtt >> net->sctp.rto_alpha)
+ + (rtt >> net->sctp.rto_alpha);
} else {
/* 6.3.1 C2) When the first RTT measurement R is made, set
* SRTT <- R, RTTVAR <- R/2.