ibv_query_port_speed3
Query an rdma port’s effective bandwidth in 100mb/s granularity
Usage
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#include <infiniband/verbs.h> int ibv_query_port_speed(struct ibv_context *context, uint32_t port_num, uint64_t *port_speed);
Overview
ibv_query_port_speed() Queries the device of the context at the given port number for the effective bandwidth of the port in 100Mb/s granularity.
Arguments
- context
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The device context.
- port_num
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The device port number which needs to be queried.
- port_speed
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The effective bandwidth of port for device context in a granularity of 100 Mb/s
Return value
ibv_query_port_speed() Returns 0 on success, or the value of errno on failure (which indicates the failure reason)
Notes
port_speed pointer value is valid only when the function returns 0.