Commit ac6df537 authored by Abhishek Mohapatra's avatar Abhishek Mohapatra Committed by Jason Gunthorpe
Browse files

RDMA/bnxt_re: Fix the max CQ WQEs for older adapters 

Older adapters doesn't support the MAX CQ WQEs reported by older FW. So
restrict the value reported to 1M always for older adapters.

Fixes: 1ac5a404 ("RDMA/bnxt_re: Add bnxt_re RoCE driver")
Link: https://patch.msgid.link/r/1728373302-19530-2-git-send-email-selvin.xavier@broadcom.com


Signed-off-by: default avatarAbhishek <Mohapatra&lt;abhishek.mohapatra@broadcom.com>
Reviewed-by: default avatarChandramohan Akula <chandramohan.akula@broadcom.com>
Signed-off-by: default avatarSelvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: default avatarJason Gunthorpe <jgg@nvidia.com>
parent 4d784c04

drivers/infiniband/hw/bnxt_re/qplib_sp.c

+2 −0
Original line number Diff line number Diff line
@@ -140,6 +140,8 @@ int bnxt_qplib_get_dev_attr(struct bnxt_qplib_rcfw *rcfw, 
			    min_t(u32, sb->max_sge_var_wqe, BNXT_VAR_MAX_SGE) : 6;

	attr->max_cq = le32_to_cpu(sb->max_cq);

	attr->max_cq_wqes = le32_to_cpu(sb->max_cqe);

	if (!bnxt_qplib_is_chip_gen_p7(rcfw->res->cctx))

		attr->max_cq_wqes = min_t(u32, BNXT_QPLIB_MAX_CQ_WQES, attr->max_cq_wqes);

	attr->max_cq_sges = attr->max_qp_sges;

	attr->max_mr = le32_to_cpu(sb->max_mr);

	attr->max_mw = le32_to_cpu(sb->max_mw);

drivers/infiniband/hw/bnxt_re/qplib_sp.h

+1 −0
Original line number Diff line number Diff line
@@ -56,6 +56,7 @@ struct bnxt_qplib_dev_attr { 
	u32				max_qp_wqes;

	u32				max_qp_sges;

	u32				max_cq;

#define BNXT_QPLIB_MAX_CQ_WQES          0xfffff

	u32				max_cq_wqes;

	u32				max_cq_sges;

	u32				max_mr;