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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: 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 14:50:33 +02:00 committed by Doug Ledford
parent c757dea816
commit 29541e3add
3 changed files with 17 additions and 2 deletions
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2
drivers/infiniband/core/agent.c
View File

@ -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,

2
drivers/infiniband/core/mad.c
View File

@ -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;

15
include/rdma/ib_verbs.h
View File

@ -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);