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-rw-r--r--net/sctp/protocol.c3
-rw-r--r--net/sctp/sm_sideeffect.c5
-rw-r--r--net/sctp/sysctl.c7
3 files changed, 14 insertions, 1 deletions
diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
index 6c2c0accc6a0..010aced44b6b 100644
--- a/net/sctp/protocol.c
+++ b/net/sctp/protocol.c
@@ -1223,6 +1223,9 @@ static int __net_init sctp_defaults_init(struct net *net)
/* Max.Burst - 4 */
net->sctp.max_burst = SCTP_DEFAULT_MAX_BURST;
+ /* Enable pf state by default */
+ net->sctp.pf_enable = 1;
+
/* Association.Max.Retrans - 10 attempts
* Path.Max.Retrans - 5 attempts (per destination address)
* Max.Init.Retransmits - 8 attempts
diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c
index 6098d4c42fa9..05cd16400e0b 100644
--- a/net/sctp/sm_sideeffect.c
+++ b/net/sctp/sm_sideeffect.c
@@ -477,6 +477,8 @@ static void sctp_do_8_2_transport_strike(sctp_cmd_seq_t *commands,
struct sctp_transport *transport,
int is_hb)
{
+ struct net *net = sock_net(asoc->base.sk);
+
/* The check for association's overall error counter exceeding the
* threshold is done in the state function.
*/
@@ -503,7 +505,8 @@ static void sctp_do_8_2_transport_strike(sctp_cmd_seq_t *commands,
* is SCTP_ACTIVE, then mark this transport as Partially Failed,
* see SCTP Quick Failover Draft, section 5.1
*/
- if ((transport->state == SCTP_ACTIVE) &&
+ if (net->sctp.pf_enable &&
+ (transport->state == SCTP_ACTIVE) &&
(asoc->pf_retrans < transport->pathmaxrxt) &&
(transport->error_count > asoc->pf_retrans)) {
diff --git a/net/sctp/sysctl.c b/net/sctp/sysctl.c
index 26d50c565f54..ccbfc93fb8fe 100644
--- a/net/sctp/sysctl.c
+++ b/net/sctp/sysctl.c
@@ -308,6 +308,13 @@ static struct ctl_table sctp_net_table[] = {
.extra1 = &max_autoclose_min,
.extra2 = &max_autoclose_max,
},
+ {
+ .procname = "pf_enable",
+ .data = &init_net.sctp.pf_enable,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec,
+ },
{ /* sentinel */ }
};