Commit cae42d97 authored by Kalesh AP's avatar Kalesh AP Committed by Leon Romanovsky
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RDMA/mlx5: Support rate limit only for Raw Packet QP 



mlx5 based hardware supports rate limiting only on Raw ethernet QPs.
Added an explicit check to fail the operation on any other QP types.
The rate limit support has been enahanced in the stack for RC QPs too.

Compile tested only.

CC: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: default avatarKalesh AP <kalesh-anakkur.purayil@broadcom.com>
Signed-off-by: default avatarSelvin Xavier <selvin.xavier@broadcom.com>
Link: https://patch.msgid.link/20260202133413.3182578-5-kalesh-anakkur.purayil@broadcom.com


Signed-off-by: default avatarLeon Romanovsky <leon@kernel.org>
parent 949e7c06

drivers/infiniband/hw/mlx5/qp.c

+5 −0
Original line number Diff line number Diff line
@@ -4362,6 +4362,11 @@ static int __mlx5_ib_modify_qp(struct ib_qp *ibqp, 
	optpar |= ib_mask_to_mlx5_opt(attr_mask);

	optpar &= opt_mask[mlx5_cur][mlx5_new][mlx5_st];



	if (attr_mask & IB_QP_RATE_LIMIT && qp->type != IB_QPT_RAW_PACKET) {

		err = -EOPNOTSUPP;

		goto out;

	}



	if (qp->type == IB_QPT_RAW_PACKET ||

	    qp->flags & IB_QP_CREATE_SOURCE_QPN) {

		struct mlx5_modify_raw_qp_param raw_qp_param = {};