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Commit 12bbb2b7 authored by Leonid Arsh's avatar Leonid Arsh Committed by Roland Dreier
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IB/mthca: Add client reregister event generation 



Change the mthca snoop of MADs that set PortInfo to check if the SM
has set the client reregister bit, and if it has, generate a client
reregister event.  If the bit is not set, just generate a LID change
event as usual.

Signed-off-by: default avatarLeonid Arsh <leonida@voltaire.com>
Signed-off-by: default avatarRoland Dreier <rolandd@cisco.com>
parent da2ab62a

drivers/infiniband/hw/mthca/mthca_mad.c

+11 −3
Original line number Diff line number Diff line
@@ -114,14 +114,22 @@ static void smp_snoop(struct ib_device *ibdev, 
	     mad->mad_hdr.mgmt_class  == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE) &&

	    mad->mad_hdr.method     == IB_MGMT_METHOD_SET) {

		if (mad->mad_hdr.attr_id == IB_SMP_ATTR_PORT_INFO) {

			struct ib_port_info *pinfo =

				(struct ib_port_info *) ((struct ib_smp *) mad)->data;



			mthca_update_rate(to_mdev(ibdev), port_num);

			update_sm_ah(to_mdev(ibdev), port_num,

				     be16_to_cpup((__be16 *) (mad->data + 58)),

				     (*(u8 *) (mad->data + 76)) & 0xf);

				     be16_to_cpu(pinfo->lid),

				     pinfo->neighbormtu_mastersmsl & 0xf);



			event.device           = ibdev;

			event.event            = IB_EVENT_LID_CHANGE;

			event.element.port_num = port_num;



			if(pinfo->clientrereg_resv_subnetto & 0x80)

				event.event    = IB_EVENT_CLIENT_REREGISTER;

			else

				event.event    = IB_EVENT_LID_CHANGE;



			ib_dispatch_event(&event);

		}