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IB/Verbs: Use management helper rdma_cap_ib_mcast()

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Introduce helper rdma_cap_ib_mcast() to help us check if the port of an
IB device support Infiniband Multicast.

Signed-off-by: Michael Wang <yun.wang@profitbricks.com>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Tested-by: Ira Weiny <ira.weiny@intel.com>
Reviewed-by: Sean Hefty <sean.hefty@intel.com>
Reviewed-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Tested-by: Doug Ledford <dledford@redhat.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Michael Wang 2015-05-05 14:50:37 +02:00 committed by Doug Ledford
parent fe53ba2f0c
commit a31ad3b0e3
3 changed files with 21 additions and 6 deletions
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6
drivers/infiniband/core/cma.c
View File

@ -1014,7 +1014,7 @@ static void cma_leave_mc_groups(struct rdma_id_private *id_priv)
mc = container_of(id_priv->mc_list.next,
struct cma_multicast, list);
list_del(&mc->list);
if (rdma_protocol_ib(id_priv->cma_dev->device,
if (rdma_cap_ib_mcast(id_priv->cma_dev->device,
id_priv->id.port_num)) {
ib_sa_free_multicast(mc->multicast.ib);
kfree(mc);
@ -3328,7 +3328,7 @@ int rdma_join_multicast(struct rdma_cm_id *id, struct sockaddr *addr,
if (rdma_protocol_iboe(id->device, id->port_num)) {
kref_init(&mc->mcref);
ret = cma_iboe_join_multicast(id_priv, mc);
} else if (rdma_protocol_ib(id->device, id->port_num))
} else if (rdma_cap_ib_mcast(id->device, id->port_num))
ret = cma_join_ib_multicast(id_priv, mc);
else
ret = -ENOSYS;
@ -3362,7 +3362,7 @@ void rdma_leave_multicast(struct rdma_cm_id *id, struct sockaddr *addr)
BUG_ON(id_priv->cma_dev->device != id->device);
if (rdma_protocol_ib(id->device, id->port_num)) {
if (rdma_cap_ib_mcast(id->device, id->port_num)) {
ib_sa_free_multicast(mc->multicast.ib);
kfree(mc);
} else if (rdma_protocol_iboe(id->device, id->port_num))

6
drivers/infiniband/core/multicast.c
View File

@ -780,7 +780,7 @@ static void mcast_event_handler(struct ib_event_handler *handler,
int index;
dev = container_of(handler, struct mcast_device, event_handler);
if (WARN_ON(!rdma_protocol_ib(dev->device, event->element.port_num)))
if (WARN_ON(!rdma_cap_ib_mcast(dev->device, event->element.port_num)))
return;
index = event->element.port_num - dev->start_port;
@ -820,7 +820,7 @@ static void mcast_add_one(struct ib_device *device)
}
for (i = 0; i <= dev->end_port - dev->start_port; i++) {
if (!rdma_protocol_ib(device, dev->start_port + i))
if (!rdma_cap_ib_mcast(device, dev->start_port + i))
continue;
port = &dev->port[i];
port->dev = dev;
@ -858,7 +858,7 @@ static void mcast_remove_one(struct ib_device *device)
flush_workqueue(mcast_wq);
for (i = 0; i <= dev->end_port - dev->start_port; i++) {
if (rdma_protocol_ib(device, dev->start_port + i)) {
if (rdma_cap_ib_mcast(device, dev->start_port + i)) {
port = &dev->port[i];
deref_port(port);
wait_for_completion(&port->comp);

15
include/rdma/ib_verbs.h
View File

@ -1849,6 +1849,21 @@ static inline bool rdma_cap_ib_sa(struct ib_device *device, u8 port_num)
return rdma_protocol_ib(device, port_num);
}
/**
* rdma_cap_ib_mcast - Check if the port of device has the capability Infiniband
* Multicast.
*
* @device: Device to be checked
* @port_num: Port number of the device
*
* Return false when port of the device don't support Infiniband
* Multicast.
*/
static inline bool rdma_cap_ib_mcast(struct ib_device *device, u8 port_num)
{
return rdma_cap_ib_sa(device, port_num);
}
int ib_query_gid(struct ib_device *device,
u8 port_num, int index, union ib_gid *gid);