mlx5dv_modify_qp_udp_sport(3) mlx5dv_modify_qp_udp_sport(3)
NAME
mlx5dv_modify_qp_udp_sport - Modify the UDP source port of a given QP
SYNOPSIS
#include <infiniband/mlx5dv.h>
int mlx5dv_modify_qp_udp_sport(struct ibv_qp *qp, uint16_t udp_sport)
DESCRIPTION
The UDP source port is used to create entropy for network routers
(ECMP), load balancers and 802.3ad link aggregation switching that are
not aware of RoCE IB headers.
This API enables modifying the configured UDP source port of a given
RC/UC QP when QP is in RTS state.
ARGUMENTS
qp The ibv_qp object to issue the action on.
udp_sport
The UDP source port to set for the QP.
RETURN VALUE
Returns 0 on success, or the value of errno on failure (which indicates
the failure reason).
AUTHOR
Maor Gottlieb <maorg@nvidia.com>
mlx5dv_modify_qp_udp_sport(3)
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