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mlx5dv_modify_qp_lag_port - Modify the lag port information of a given QP

NAME  SYNOPSIS  DESCRIPTION  ARGUMENTS  RETURN VALUE  SEE ALSO  AUTHOR 

NAME

mlx5dv_modify_qp_lag_port - Modify the lag port information of a given QP

SYNOPSIS

#include <infiniband/mlx5dv.h>


int mlx5dv_modify_qp_lag_port(struct ibv_qp *qp, uint8_t port_num);

DESCRIPTION

This API enables modifying the configured port num of a given QP.

If the QP state is modified later, the port num may be implicitly re-configured.

Use query mlx5dv_query_qp_lag_port to check the configured and active port num values.

ARGUMENTS

qp

The ibv_qp object to issue the action on.

port_num

The port_num to set for the QP.

RETURN VALUE

0 on success; EOPNOTSUPP if not in LAG mode, or other errno value on other failures.

SEE ALSO

mlx5dv_query_qp_lag_port(3)

AUTHOR

Aharon Landau <[email protected]>


Updated 2026-06-01 - jenkler.se | uex.se