diff options
Diffstat (limited to 'include/rdma')
-rw-r--r-- | include/rdma/ib_verbs.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index 81740c14fdb1..be4465b5df7b 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -1752,6 +1752,33 @@ int ib_query_port(struct ib_device *device, enum rdma_link_layer rdma_port_get_link_layer(struct ib_device *device, u8 port_num); +/** + * rdma_start_port - Return the first valid port number for the device + * specified + * + * @device: Device to be checked + * + * Return start port number + */ +static inline u8 rdma_start_port(const struct ib_device *device) +{ + return (device->node_type == RDMA_NODE_IB_SWITCH) ? 0 : 1; +} + +/** + * rdma_end_port - Return the last valid port number for the device + * specified + * + * @device: Device to be checked + * + * Return last port number + */ +static inline u8 rdma_end_port(const struct ib_device *device) +{ + return (device->node_type == RDMA_NODE_IB_SWITCH) ? + 0 : device->phys_port_cnt; +} + static inline bool rdma_protocol_ib(struct ib_device *device, u8 port_num) { return device->query_protocol(device, port_num) == RDMA_PROTOCOL_IB; |