ibv_query_port_speed(3)                         Libibverbs Programmer's Manual

NAME
       ibv_query_port_speed - query an RDMA port's effective bandwidth in
       100Mb/s granularity

SYNOPSIS
              #include <infiniband/verbs.h>

              int ibv_query_port_speed(struct ibv_context *context, uint32_t port_num, uint64_t *port_speed);

DESCRIPTION
       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

              The device context.

       port_num

              The device port number which needs to be queried.

       port_speed
              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.

SEE ALSO
       ibv_query_port(3)

AUTHOR
       Patrisious Haddad <phaddad@nvidia.com> Or Har-Toov
       <ohartoov@nvidia.com>

libibverbs                        2025-10-19           ibv_query_port_speed(3)