Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1750 commits)
  ixgbe: Allow Priority Flow Control settings to survive a device reset
  net: core: remove unneeded include in net/core/utils.c.
  e1000e: update version number
  e1000e: fix close interrupt race
  e1000e: fix loss of multicast packets
  e1000e: commonize tx cleanup routine to match e1000 & igb
  netfilter: fix nf_logger name in ebt_ulog.
  netfilter: fix warning in ebt_ulog init function.
  netfilter: fix warning about invalid const usage
  e1000: fix close race with interrupt
  e1000: cleanup clean_tx_irq routine so that it completely cleans ring
  e1000: fix tx hang detect logic and address dma mapping issues
  bridge: bad error handling when adding invalid ether address
  bonding: select current active slave when enslaving device for mode tlb and alb
  gianfar: reallocate skb when headroom is not enough for fcb
  Bump release date to 25Mar2009 and version to 0.22
  r6040: Fix second PHY address
  qeth: fix wait_event_timeout handling
  qeth: check for completion of a running recovery
  qeth: unregister MAC addresses during recovery.
  ...

Manually fixed up conflicts in:
	drivers/infiniband/hw/cxgb3/cxio_hal.h
	drivers/infiniband/hw/nes/nes_nic.c

1 files changed, 25 insertions, 18 deletions

diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c
index b5495aecab6..e2020eb2c8c 100644
--- a/net/sctp/sm_sideeffect.c
+++ b/net/sctp/sm_sideeffect.c
@@ -434,7 +434,8 @@ sctp_timer_event_t *sctp_timer_events[SCTP_NUM_TIMEOUT_TYPES] = {
  *
  */
 static void sctp_do_8_2_transport_strike(struct sctp_association *asoc,
-					 struct sctp_transport *transport)
+					 struct sctp_transport *transport,
+					 int is_hb)
 {
 	/* The check for association's overall error counter exceeding the
 	 * threshold is done in the state function.
@@ -461,9 +462,15 @@ static void sctp_do_8_2_transport_strike(struct sctp_association *asoc,
 	 * expires, set RTO <- RTO * 2 ("back off the timer").  The
 	 * maximum value discussed in rule C7 above (RTO.max) may be
 	 * used to provide an upper bound to this doubling operation.
+	 *
+	 * Special Case:  the first HB doesn't trigger exponential backoff.
+	 * The first unacknowleged HB triggers it.  We do this with a flag
+	 * that indicates that we have an outstanding HB.
 	 */
-	transport->last_rto = transport->rto;
-	transport->rto = min((transport->rto * 2), transport->asoc->rto_max);
+	if (!is_hb || transport->hb_sent) {
+		transport->last_rto = transport->rto;
+		transport->rto = min((transport->rto * 2), transport->asoc->rto_max);
+	}
 }
 
 /* Worker routine to handle INIT command failure.  */
@@ -621,6 +628,11 @@ static void sctp_cmd_transport_on(sctp_cmd_seq_t *cmds,
 	t->error_count = 0;
 	t->asoc->overall_error_count = 0;
 
+	/* Clear the hb_sent flag to signal that we had a good
+	 * acknowledgement.
+	 */
+	t->hb_sent = 0;
+
 	/* Mark the destination transport address as active if it is not so
 	 * marked.
 	 */
@@ -646,18 +658,6 @@ static void sctp_cmd_transport_on(sctp_cmd_seq_t *cmds,
 		sctp_transport_hold(t);
 }
 
-/* Helper function to do a transport reset at the expiry of the hearbeat
- * timer.
- */
-static void sctp_cmd_transport_reset(sctp_cmd_seq_t *cmds,
-				     struct sctp_association *asoc,
-				     struct sctp_transport *t)
-{
-	sctp_transport_lower_cwnd(t, SCTP_LOWER_CWND_INACTIVE);
-
-	/* Mark one strike against a transport.  */
-	sctp_do_8_2_transport_strike(asoc, t);
-}
 
 /* Helper function to process the process SACK command.  */
 static int sctp_cmd_process_sack(sctp_cmd_seq_t *cmds,
@@ -1458,12 +1458,19 @@ static int sctp_cmd_interpreter(sctp_event_t event_type,
 
 		case SCTP_CMD_STRIKE:
 			/* Mark one strike against a transport.  */
-			sctp_do_8_2_transport_strike(asoc, cmd->obj.transport);
+			sctp_do_8_2_transport_strike(asoc, cmd->obj.transport,
+						    0);
+			break;
+
+		case SCTP_CMD_TRANSPORT_IDLE:
+			t = cmd->obj.transport;
+			sctp_transport_lower_cwnd(t, SCTP_LOWER_CWND_INACTIVE);
 			break;
 
-		case SCTP_CMD_TRANSPORT_RESET:
+		case SCTP_CMD_TRANSPORT_HB_SENT:
 			t = cmd->obj.transport;
-			sctp_cmd_transport_reset(commands, asoc, t);
+			sctp_do_8_2_transport_strike(asoc, t, 1);
+			t->hb_sent = 1;
 			break;
 
 		case SCTP_CMD_TRANSPORT_ON: