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| author |   Eric W. Biederman <ebiederm@xmission.com> | 2012-08-07 07:29:57 +0000 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2012-08-14 23:32:16 -0700 |
| commit | e1fc3b14f9a90d9591016749289f2c3d7b35fbf4 (patch) | |
| tree | 709a6cfe1ac2d7164c9661a8c393a91d83ee6c85 /net/sctp/transport.c | |
| parent | sctp: Push struct net down into sctp_verify_ext_param (diff) | |
| download | linux-dev-e1fc3b14f9a90d9591016749289f2c3d7b35fbf4.tar.xz linux-dev-e1fc3b14f9a90d9591016749289f2c3d7b35fbf4.zip | |
sctp: Make sysctl tunables per net
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sctp/transport.c')
| -rw-r--r-- | net/sctp/transport.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/net/sctp/transport.c b/net/sctp/transport.c index aada963c9d6b..953c21e4af97 100644 --- a/net/sctp/transport.c +++ b/net/sctp/transport.c @@ -77,7 +77,7 @@ static struct sctp_transport *sctp_transport_init(struct net *net, * 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; @@ -87,8 +87,8 @@ static struct sctp_transport *sctp_transport_init(struct net *net, 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); @@ -318,6 +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' @@ -329,10 +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. |