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Commit b7ac4ab4 authored by Ishai Rabinovitz's avatar Ishai Rabinovitz Committed by Roland Dreier
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IB/srp: Handle DREQ events from CM 



Handle IB_CM_DREQ_ERROR and IB_CM_DREQ_RECEIVED events from the CM,
instead of just printing "Unhandled CM event".  In the case of
DREQ_ERROR, just ignore the event -- a TIMEWAIT_EXIT will be generated
also.  For DREQ_RECEIVED, send a DREP in response to shut the
connection down cleanly.

Signed-off-by: default avatarIshai Rabinovitz <ishai@mellanox.co.il>
Signed-off-by: default avatarRoland Dreier <rolandd@cisco.com>
parent ac83cbaa

drivers/infiniband/ulp/srp/ib_srp.c

+9 −5
Original line number Diff line number Diff line
@@ -1196,11 +1196,10 @@ static int srp_cm_handler(struct ib_cm_id *cm_id, struct ib_cm_event *event) 
		srp_cm_rej_handler(cm_id, event, target);

		break;



	case IB_CM_MRA_RECEIVED:

		printk(KERN_ERR PFX "MRA received\n");

		break;



	case IB_CM_DREP_RECEIVED:

	case IB_CM_DREQ_RECEIVED:

		printk(KERN_WARNING PFX "DREQ received - connection closed\n");

		if (ib_send_cm_drep(cm_id, NULL, 0))

			printk(KERN_ERR PFX "Sending CM DREP failed\n");

		break;



	case IB_CM_TIMEWAIT_EXIT:
@@ -1210,6 +1209,11 @@ static int srp_cm_handler(struct ib_cm_id *cm_id, struct ib_cm_event *event) 
		target->status = 0;

		break;



	case IB_CM_MRA_RECEIVED:

	case IB_CM_DREQ_ERROR:

	case IB_CM_DREP_RECEIVED:

		break;



	default:

		printk(KERN_WARNING PFX "Unhandled CM event %d\n", event->event);

		break;