mlx5dv_modify_qp_lag_port(3)

mlx5dv_modify_qp_lag_port3

Modify the lag port information of a given qp

Usage

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

Overview

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.

Releases

4 releases since Debian 11 (Bullseye); the text changed 3 times.

  1. 11
  2. 12
  3. 13
  4. Arch

Author

Aharon Landau ⟨[email protected]⟩\c

From rdma-core 65.0-1 in Arch Linux 2026-11-01. Parsed by carta from the page's man source.