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Diffstat (limited to 'net/sctp/sm_sideeffect.c')
-rw-r--r--net/sctp/sm_sideeffect.c105
1 files changed, 85 insertions, 20 deletions
diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c
index f65fa441952f..778639db125a 100644
--- a/net/sctp/sm_sideeffect.c
+++ b/net/sctp/sm_sideeffect.c
@@ -414,11 +414,13 @@ static void sctp_do_8_2_transport_strike(struct sctp_association *asoc,
*/
asoc->overall_error_count++;
- if (transport->active &&
+ if (transport->state != SCTP_INACTIVE &&
(transport->error_count++ >= transport->max_retrans)) {
- SCTP_DEBUG_PRINTK("transport_strike: transport "
- "IP:%d.%d.%d.%d failed.\n",
- NIPQUAD(transport->ipaddr.v4.sin_addr));
+ SCTP_DEBUG_PRINTK_IPADDR("transport_strike:association %p",
+ " transport IP: port:%d failed.\n",
+ asoc,
+ (&transport->ipaddr),
+ transport->ipaddr.v4.sin_port);
sctp_assoc_control_transport(asoc, transport,
SCTP_TRANSPORT_DOWN,
SCTP_FAILED_THRESHOLD);
@@ -593,7 +595,7 @@ static void sctp_cmd_transport_on(sctp_cmd_seq_t *cmds,
/* Mark the destination transport address as active if it is not so
* marked.
*/
- if (!t->active)
+ if (t->state == SCTP_INACTIVE)
sctp_assoc_control_transport(asoc, t, SCTP_TRANSPORT_UP,
SCTP_HEARTBEAT_SUCCESS);
@@ -665,8 +667,11 @@ static void sctp_cmd_new_state(sctp_cmd_seq_t *cmds,
asoc->state = state;
+ SCTP_DEBUG_PRINTK("sctp_cmd_new_state: asoc %p[%s]\n",
+ asoc, sctp_state_tbl[state]);
+
if (sctp_style(sk, TCP)) {
- /* Change the sk->sk_state of a TCP-style socket that has
+ /* Change the sk->sk_state of a TCP-style socket that has
* sucessfully completed a connect() call.
*/
if (sctp_state(asoc, ESTABLISHED) && sctp_sstate(sk, CLOSED))
@@ -678,6 +683,16 @@ static void sctp_cmd_new_state(sctp_cmd_seq_t *cmds,
sk->sk_shutdown |= RCV_SHUTDOWN;
}
+ if (sctp_state(asoc, COOKIE_WAIT)) {
+ /* Reset init timeouts since they may have been
+ * increased due to timer expirations.
+ */
+ asoc->timeouts[SCTP_EVENT_TIMEOUT_T1_INIT] =
+ asoc->ep->timeouts[SCTP_EVENT_TIMEOUT_T1_INIT];
+ asoc->timeouts[SCTP_EVENT_TIMEOUT_T1_COOKIE] =
+ asoc->ep->timeouts[SCTP_EVENT_TIMEOUT_T1_COOKIE];
+ }
+
if (sctp_state(asoc, ESTABLISHED) ||
sctp_state(asoc, CLOSED) ||
sctp_state(asoc, SHUTDOWN_RECEIVED)) {
@@ -1120,10 +1135,10 @@ static int sctp_cmd_interpreter(sctp_event_t event_type,
* to be executed only during failed attempts of
* association establishment.
*/
- if ((asoc->peer.retran_path !=
- asoc->peer.primary_path) &&
- (asoc->counters[SCTP_COUNTER_INIT_ERROR] > 0)) {
- sctp_add_cmd_sf(commands,
+ if ((asoc->peer.retran_path !=
+ asoc->peer.primary_path) &&
+ (asoc->init_err_counter > 0)) {
+ sctp_add_cmd_sf(commands,
SCTP_CMD_FORCE_PRIM_RETRAN,
SCTP_NULL());
}
@@ -1237,18 +1252,67 @@ static int sctp_cmd_interpreter(sctp_event_t event_type,
sctp_association_put(asoc);
break;
+ case SCTP_CMD_INIT_CHOOSE_TRANSPORT:
+ chunk = cmd->obj.ptr;
+ t = sctp_assoc_choose_init_transport(asoc);
+ asoc->init_last_sent_to = t;
+ chunk->transport = t;
+ t->init_sent_count++;
+ break;
+
case SCTP_CMD_INIT_RESTART:
/* Do the needed accounting and updates
* associated with restarting an initialization
- * timer.
+ * timer. Only multiply the timeout by two if
+ * all transports have been tried at the current
+ * timeout.
+ */
+ t = asoc->init_last_sent_to;
+ asoc->init_err_counter++;
+
+ if (t->init_sent_count > (asoc->init_cycle + 1)) {
+ asoc->timeouts[SCTP_EVENT_TIMEOUT_T1_INIT] *= 2;
+ if (asoc->timeouts[SCTP_EVENT_TIMEOUT_T1_INIT] >
+ asoc->max_init_timeo) {
+ asoc->timeouts[SCTP_EVENT_TIMEOUT_T1_INIT] =
+ asoc->max_init_timeo;
+ }
+ asoc->init_cycle++;
+ SCTP_DEBUG_PRINTK(
+ "T1 INIT Timeout adjustment"
+ " init_err_counter: %d"
+ " cycle: %d"
+ " timeout: %d\n",
+ asoc->init_err_counter,
+ asoc->init_cycle,
+ asoc->timeouts[SCTP_EVENT_TIMEOUT_T1_INIT]);
+ }
+
+ sctp_add_cmd_sf(commands, SCTP_CMD_TIMER_RESTART,
+ SCTP_TO(SCTP_EVENT_TIMEOUT_T1_INIT));
+ break;
+
+ case SCTP_CMD_COOKIEECHO_RESTART:
+ /* Do the needed accounting and updates
+ * associated with restarting an initialization
+ * timer. Only multiply the timeout by two if
+ * all transports have been tried at the current
+ * timeout.
*/
- asoc->counters[SCTP_COUNTER_INIT_ERROR]++;
- asoc->timeouts[cmd->obj.to] *= 2;
- if (asoc->timeouts[cmd->obj.to] >
+ asoc->init_err_counter++;
+
+ asoc->timeouts[SCTP_EVENT_TIMEOUT_T1_COOKIE] *= 2;
+ if (asoc->timeouts[SCTP_EVENT_TIMEOUT_T1_COOKIE] >
asoc->max_init_timeo) {
- asoc->timeouts[cmd->obj.to] =
+ asoc->timeouts[SCTP_EVENT_TIMEOUT_T1_COOKIE] =
asoc->max_init_timeo;
}
+ SCTP_DEBUG_PRINTK(
+ "T1 COOKIE Timeout adjustment"
+ " init_err_counter: %d"
+ " timeout: %d\n",
+ asoc->init_err_counter,
+ asoc->timeouts[SCTP_EVENT_TIMEOUT_T1_COOKIE]);
/* If we've sent any data bundled with
* COOKIE-ECHO we need to resend.
@@ -1261,7 +1325,7 @@ static int sctp_cmd_interpreter(sctp_event_t event_type,
sctp_add_cmd_sf(commands,
SCTP_CMD_TIMER_RESTART,
- SCTP_TO(cmd->obj.to));
+ SCTP_TO(SCTP_EVENT_TIMEOUT_T1_COOKIE));
break;
case SCTP_CMD_INIT_FAILED:
@@ -1273,12 +1337,13 @@ static int sctp_cmd_interpreter(sctp_event_t event_type,
subtype, chunk, cmd->obj.u32);
break;
- case SCTP_CMD_COUNTER_INC:
- asoc->counters[cmd->obj.counter]++;
+ case SCTP_CMD_INIT_COUNTER_INC:
+ asoc->init_err_counter++;
break;
- case SCTP_CMD_COUNTER_RESET:
- asoc->counters[cmd->obj.counter] = 0;
+ case SCTP_CMD_INIT_COUNTER_RESET:
+ asoc->init_err_counter = 0;
+ asoc->init_cycle = 0;
break;
case SCTP_CMD_REPORT_DUP:
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-24 20:30:21 +0100