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>
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@ -156,7 +156,7 @@ int ib_agent_port_open(struct ib_device *device, int port_num)
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goto error1;
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}
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if (rdma_protocol_ib(device, port_num)) {
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if (rdma_cap_ib_smi(device, port_num)) {
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/* Obtain send only MAD agent for SMI QP */
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port_priv->agent[0] = ib_register_mad_agent(device, port_num,
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IB_QPT_SMI, NULL, 0,
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@ -2938,7 +2938,7 @@ static int ib_mad_port_open(struct ib_device *device,
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init_mad_qp(port_priv, &port_priv->qp_info[1]);
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cq_size = mad_sendq_size + mad_recvq_size;
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has_smi = rdma_protocol_ib(device, port_num);
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has_smi = rdma_cap_ib_smi(device, port_num);
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if (has_smi)
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cq_size *= 2;
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@ -1789,6 +1789,21 @@ static inline bool rdma_cap_ib_mad(struct ib_device *device, u8 port_num)
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return rdma_ib_or_iboe(device, port_num);
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}
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/**
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* rdma_cap_ib_smi - Check if the port of device has the capability Infiniband
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* Subnet Management Interface.
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*
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* @device: Device to be checked
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* @port_num: Port number of the device
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*
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* Return false when port of the device don't support Infiniband
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* Subnet Management Interface.
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*/
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static inline bool rdma_cap_ib_smi(struct ib_device *device, u8 port_num)
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{
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return rdma_protocol_ib(device, port_num);
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}
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int ib_query_gid(struct ib_device *device,
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u8 port_num, int index, union ib_gid *gid);
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