提交 29541e3a 编写于 作者: M Michael Wang 提交者: Doug Ledford

IB/Verbs: Use management helper rdma_cap_ib_smi()

Introduce helper rdma_cap_ib_smi() to help us check if the port of an
IB device support Infiniband Subnet Management Interface.
Signed-off-by: NMichael Wang <yun.wang@profitbricks.com>
Reviewed-by: NIra Weiny <ira.weiny@intel.com>
Tested-by: NIra Weiny <ira.weiny@intel.com>
Reviewed-by: NSean Hefty <sean.hefty@intel.com>
Reviewed-by: NJason Gunthorpe <jgunthorpe@obsidianresearch.com>
Tested-by: NDoug Ledford <dledford@redhat.com>
Signed-off-by: NDoug Ledford <dledford@redhat.com>
上级 c757dea8
......@@ -156,7 +156,7 @@ int ib_agent_port_open(struct ib_device *device, int port_num)
goto error1;
}
if (rdma_protocol_ib(device, port_num)) {
if (rdma_cap_ib_smi(device, port_num)) {
/* Obtain send only MAD agent for SMI QP */
port_priv->agent[0] = ib_register_mad_agent(device, port_num,
IB_QPT_SMI, NULL, 0,
......
......@@ -2938,7 +2938,7 @@ static int ib_mad_port_open(struct ib_device *device,
init_mad_qp(port_priv, &port_priv->qp_info[1]);
cq_size = mad_sendq_size + mad_recvq_size;
has_smi = rdma_protocol_ib(device, port_num);
has_smi = rdma_cap_ib_smi(device, port_num);
if (has_smi)
cq_size *= 2;
......
......@@ -1789,6 +1789,21 @@ static inline bool rdma_cap_ib_mad(struct ib_device *device, u8 port_num)
return rdma_ib_or_iboe(device, port_num);
}
/**
* rdma_cap_ib_smi - Check if the port of device has the capability Infiniband
* Subnet Management Interface.
*
* @device: Device to be checked
* @port_num: Port number of the device
*
* Return false when port of the device don't support Infiniband
* Subnet Management Interface.
*/
static inline bool rdma_cap_ib_smi(struct ib_device *device, u8 port_num)
{
return rdma_protocol_ib(device, port_num);
}
int ib_query_gid(struct ib_device *device,
u8 port_num, int index, union ib_gid *gid);
......
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