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[infiniband] Record multicast GID attachment as part of group membership

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Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown
2016-03-05 15:33:28 +00:00
parent 114a2f19a6
commit c335f8eae4
3 changed files with 16 additions and 18 deletions
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10
src/net/infiniband/ib_mcast.c
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@@ -150,8 +150,9 @@ int ib_mcast_join ( struct ib_device *ibdev, struct ib_queue_pair *qp,
DBGC ( ibdev, "IBDEV %s QPN %#lx joining " IB_GID_FMT "\n",
ibdev->name, qp->qpn, IB_GID_ARGS ( gid ) );
/* Sanity check */
/* Sanity checks */
assert ( qp != NULL );
assert ( ! membership->attached );
/* Initialise structure */
membership->qp = qp;
@@ -164,6 +165,7 @@ int ib_mcast_join ( struct ib_device *ibdev, struct ib_queue_pair *qp,
ibdev->name, qp->qpn, strerror ( rc ) );
goto err_mcast_attach;
}
membership->attached = 1;
/* Initiate multicast membership join */
ib_mcast_mad ( ibdev, gid, 1, &mad );
@@ -182,6 +184,7 @@ int ib_mcast_join ( struct ib_device *ibdev, struct ib_queue_pair *qp,
ib_destroy_madx ( ibdev, ibdev->gsi, membership->madx );
err_create_madx:
ib_mcast_detach ( ibdev, qp, gid );
membership->attached = 0;
err_mcast_attach:
return rc;
}
@@ -199,6 +202,10 @@ void ib_mcast_leave ( struct ib_device *ibdev, struct ib_queue_pair *qp,
union ib_mad mad;
int rc;
/* Do nothing if we are already detached from the multicast GID */
if ( ! membership->attached )
return;
DBGC ( ibdev, "IBDEV %s QPN %#lx leaving " IB_GID_FMT "\n",
ibdev->name, qp->qpn, IB_GID_ARGS ( gid ) );
@@ -207,6 +214,7 @@ void ib_mcast_leave ( struct ib_device *ibdev, struct ib_queue_pair *qp,
/* Detach from multicast GID */
ib_mcast_detach ( ibdev, qp, &membership->gid );
membership->attached = 0;
/* Cancel multicast membership join, if applicable */
if ( membership->madx ) {