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IB/mthca: Add client reregister event generation

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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: Leonid Arsh <leonida@voltaire.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
Leonid Arsh 2006-06-17 20:37:36 -07:00 committed by Roland Dreier
parent da2ab62ab5
commit 12bbb2b7be
1 changed files with 11 additions and 3 deletions
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14
drivers/infiniband/hw/mthca/mthca_mad.c
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@ -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);
}