mlx5dv_modify_qp_lag_port(3) mlx5dv_modify_qp_lag_port(3)

mlx5dv_modify_qp_lag_port - Modify the lag port information of a given QP

#include <infiniband/mlx5dv.h>
int mlx5dv_modify_qp_lag_port(struct ibv_qp *qp, uint8_t port_num);

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.

The ibv_qp object to issue the action on.
The port_num to set for the QP.

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


Aharon Landau <>