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[infiniband] Allow external QPN to differ from real QPN

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Most IB hardware seems not to allow allocation of the genuine QPNs 0
and 1, so allow for the externally-visible QPN (as constructed and
parsed by ib_packet, where used) to differ from the real
hardware-allocated QPN.
This commit is contained in:
Michael Brown
2009-07-09 15:52:04 +01:00
parent 92cf240020
commit f1d92fa886
3 changed files with 32 additions and 8 deletions
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21
src/net/infiniband.c
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@@ -196,7 +196,6 @@ struct ib_queue_pair * ib_create_qp ( struct ib_device *ibdev,
"%s\n", ibdev, strerror ( rc ) );
goto err_dev_create_qp;
}
DBGC ( ibdev, "IBDEV %p created queue pair %p (%p) with QPN %#lx\n",
ibdev, qp, ib_qp_get_drvdata ( qp ), qp->qpn );
DBGC ( ibdev, "IBDEV %p QPN %#lx has %d send entries at [%p,%p)\n",
@@ -205,6 +204,24 @@ struct ib_queue_pair * ib_create_qp ( struct ib_device *ibdev,
DBGC ( ibdev, "IBDEV %p QPN %#lx has %d receive entries at [%p,%p)\n",
ibdev, qp->qpn, num_recv_wqes, qp->recv.iobufs,
( ( ( void * ) qp ) + total_size ) );
/* Calculate externally-visible QPN */
switch ( type ) {
case IB_QPT_SMA:
qp->ext_qpn = IB_QPN_SMA;
break;
case IB_QPT_GMA:
qp->ext_qpn = IB_QPN_GMA;
break;
default:
qp->ext_qpn = qp->qpn;
break;
}
if ( qp->ext_qpn != qp->qpn ) {
DBGC ( ibdev, "IBDEV %p QPN %#lx has external QPN %#lx\n",
ibdev, qp->qpn, qp->ext_qpn );
}
return qp;
ibdev->op->destroy_qp ( ibdev, qp );
@@ -295,7 +312,7 @@ struct ib_queue_pair * ib_find_qp_qpn ( struct ib_device *ibdev,
struct ib_queue_pair *qp;
list_for_each_entry ( qp, &ibdev->qps, list ) {
if ( qp->qpn == qpn )
if ( ( qpn == qp->qpn ) || ( qpn == qp->ext_qpn ) )
return qp;
}
return NULL;