Commit cc26aee1 authored by Wenpeng Liang's avatar Wenpeng Liang Committed by Jason Gunthorpe
Browse files

RDMA/hns: Fix the size setting error when copying CQE in clean_cq() 

The size of CQE is different for different versions of hardware, so the
driver needs to specify the size of CQE explicitly.

Fixes: 09a5f210 ("RDMA/hns: Add support for CQE in size of 64 Bytes")
Link: https://lore.kernel.org/r/20210927125557.15031-2-liangwenpeng@huawei.com


Signed-off-by: default avatarWenpeng Liang <liangwenpeng@huawei.com>
Signed-off-by: default avatarJason Gunthorpe <jgg@nvidia.com>
parent 7d5cfafe

drivers/infiniband/hw/hns/hns_roce_hw_v2.c

+1 −1
Original line number Diff line number Diff line
@@ -3299,7 +3299,7 @@ static void __hns_roce_v2_cq_clean(struct hns_roce_cq *hr_cq, u32 qpn, 
			dest = get_cqe_v2(hr_cq, (prod_index + nfreed) &

					  hr_cq->ib_cq.cqe);

			owner_bit = hr_reg_read(dest, CQE_OWNER);

			memcpy(dest, cqe, sizeof(*cqe));

			memcpy(dest, cqe, hr_cq->cqe_size);

			hr_reg_write(dest, CQE_OWNER, owner_bit);

		}

	}