C++ (Cpp) update_sm_ah Examples

Example #1

File: mthca_mad.c Project: ena30/snake-os

/*
 * Snoop SM MADs for port info and P_Key table sets, so we can
 * synthesize LID change and P_Key change events.
 */
static void smp_snoop(struct ib_device *ibdev,
		      u8 port_num,
		      struct ib_mad *mad)
{
	struct ib_event event;

	if ((mad->mad_hdr.mgmt_class  == IB_MGMT_CLASS_SUBN_LID_ROUTED ||
	     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) {
			update_sm_ah(to_mdev(ibdev), port_num,
				     be16_to_cpup((__be16 *) (mad->data + 58)),
				     (*(u8 *) (mad->data + 76)) & 0xf);

			event.device           = ibdev;
			event.event            = IB_EVENT_LID_CHANGE;
			event.element.port_num = port_num;
			ib_dispatch_event(&event);
		}

		if (mad->mad_hdr.attr_id == IB_SMP_ATTR_PKEY_TABLE) {
			event.device           = ibdev;
			event.event            = IB_EVENT_PKEY_CHANGE;
			event.element.port_num = port_num;
			ib_dispatch_event(&event);
		}
	}
}

Example #2

File: mad.c Project: AmesianX/netlink-mmap

/*
 * Snoop SM MADs for port info, GUID info, and  P_Key table sets, so we can
 * synthesize LID change, Client-Rereg, GID change, and P_Key change events.
 */
static void smp_snoop(struct ib_device *ibdev, u8 port_num, struct ib_mad *mad,
		      u16 prev_lid)
{
	struct ib_port_info *pinfo;
	u16 lid;

	struct mlx4_ib_dev *dev = to_mdev(ibdev);
	if ((mad->mad_hdr.mgmt_class == IB_MGMT_CLASS_SUBN_LID_ROUTED ||
	     mad->mad_hdr.mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE) &&
	    mad->mad_hdr.method == IB_MGMT_METHOD_SET)
		switch (mad->mad_hdr.attr_id) {
		case IB_SMP_ATTR_PORT_INFO:
			pinfo = (struct ib_port_info *) ((struct ib_smp *) mad)->data;
			lid = be16_to_cpu(pinfo->lid);

			update_sm_ah(dev, port_num,
				     be16_to_cpu(pinfo->sm_lid),
				     pinfo->neighbormtu_mastersmsl & 0xf);

			if (pinfo->clientrereg_resv_subnetto & 0x80)
				mlx4_ib_dispatch_event(dev, port_num,
						       IB_EVENT_CLIENT_REREGISTER);

			if (prev_lid != lid)
				mlx4_ib_dispatch_event(dev, port_num,
						       IB_EVENT_LID_CHANGE);
			break;

		case IB_SMP_ATTR_PKEY_TABLE:
			mlx4_ib_dispatch_event(dev, port_num,
					       IB_EVENT_PKEY_CHANGE);
			break;

		case IB_SMP_ATTR_GUID_INFO:
			/* paravirtualized master's guid is guid 0 -- does not change */
			if (!mlx4_is_master(dev->dev))
				mlx4_ib_dispatch_event(dev, port_num,
						       IB_EVENT_GID_CHANGE);
			break;
		default:
			break;
		}
}

Example #3

File: mthca_mad.c Project: 1111saeid/jb_kernel_3.0.16_htc_golfu

/*
 * Snoop SM MADs for port info and P_Key table sets, so we can
 * synthesize LID change and P_Key change events.
 */
static void smp_snoop(struct ib_device *ibdev,
		      u8 port_num,
		      struct ib_mad *mad,
		      u16 prev_lid)
{
	struct ib_event event;

	if ((mad->mad_hdr.mgmt_class  == IB_MGMT_CLASS_SUBN_LID_ROUTED ||
	     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;
			u16 lid = be16_to_cpu(pinfo->lid);

			mthca_update_rate(to_mdev(ibdev), port_num);
			update_sm_ah(to_mdev(ibdev), port_num,
				     be16_to_cpu(pinfo->sm_lid),
				     pinfo->neighbormtu_mastersmsl & 0xf);

			event.device           = ibdev;
			event.element.port_num = port_num;

			if (pinfo->clientrereg_resv_subnetto & 0x80) {
				event.event    = IB_EVENT_CLIENT_REREGISTER;
				ib_dispatch_event(&event);
			}

			if (prev_lid != lid) {
				event.event    = IB_EVENT_LID_CHANGE;
				ib_dispatch_event(&event);
			}
		}

		if (mad->mad_hdr.attr_id == IB_SMP_ATTR_PKEY_TABLE) {
			event.device           = ibdev;
			event.event            = IB_EVENT_PKEY_CHANGE;
			event.element.port_num = port_num;
			ib_dispatch_event(&event);
		}
	}
}