.\" Automatically generated by Pandoc 3.6
.\"
.TH "ibv_query_port_speed" "3" "2025\-10\-19" "libibverbs" "Libibverbs Programmer\[cq]s Manual"
.SH NAME
ibv_query_port_speed \- query an RDMA port\[cq]s effective bandwidth in
100Mb/s granularity
.SH SYNOPSIS
.IP
.EX
#include \f[B]<infiniband/verbs.h>\f[R]

int ibv_query_port_speed(\f[B]struct\f[R] ibv_context *context, uint32_t port_num, uint64_t *port_speed);
.EE
.SH DESCRIPTION
\f[B]ibv_query_port_speed()\f[R] Queries the device of the context at
the given port number for the effective bandwidth of the port in 100Mb/s
granularity.
.SH ARGUMENTS
.TP
\f[I]context\f[R]
.IP
.EX
The device context.
.EE
.TP
\f[I]port_num\f[R]
.IP
.EX
The device port number which needs to be queried.
.EE
.TP
\f[I]port_speed\f[R]
The effective bandwidth of port for device context in a granularity of
100 Mb/s
.SH RETURN VALUE
\f[B]ibv_query_port_speed()\f[R] Returns 0 on success, or the value of
errno on failure (which indicates the failure reason)
.SH NOTES
port_speed pointer value is valid only when the function returns 0.
.SH SEE ALSO
\f[B]ibv_query_port\f[R](3)
.SH AUTHOR
Patrisious Haddad \c
.MT phaddad@nvidia.com
.ME \c
\ Or Har\-Toov \c
.MT ohartoov@nvidia.com
.ME \c