diff options
| author |   Weihang Li <liweihang@huawei.com> | 2020-11-16 19:33:24 +0800 |
|---|---|---|
| committer |   Jason Gunthorpe <jgg@nvidia.com> | 2020-11-26 15:24:48 -0400 |
| commit | 3631dadfb118821236098a215e59fb5d3e1c30a8 (patch) | |
| tree | 2ebf46104ffa83c0b5701d26e42c4f9170a2f9d9 /drivers/infiniband/hw | |
| parent | RDMA/hns: Fix missing fields in address vector (diff) | |
| download | linux-dev-3631dadfb118821236098a215e59fb5d3e1c30a8.tar.xz linux-dev-3631dadfb118821236098a215e59fb5d3e1c30a8.zip | |
RDMA/hns: Avoid setting loopback indicator when smac is same as dmac
The loopback flag will be set to 1 by the hardware when the source mac
address is same as the destination mac address. So the driver don't need
to compare them.
Fixes: d6a3627e311c ("RDMA/hns: Optimize wqe buffer set flow for post send")
Link: https://lore.kernel.org/r/1605526408-6936-4-git-send-email-liweihang@huawei.com
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/infiniband/hw')
| -rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 9 |
1 files changed, 0 insertions, 9 deletions
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c index f79c97e21440..438662826e3d 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c @@ -433,8 +433,6 @@ static inline int set_ud_wqe(struct hns_roce_qp *qp, unsigned int curr_idx = *sge_idx; int valid_num_sge; u32 msg_len = 0; - bool loopback; - u8 *smac; int ret; valid_num_sge = calc_wr_sge_num(wr, &msg_len); @@ -457,13 +455,6 @@ static inline int set_ud_wqe(struct hns_roce_qp *qp, roce_set_field(ud_sq_wqe->byte_48, V2_UD_SEND_WQE_BYTE_48_DMAC_5_M, V2_UD_SEND_WQE_BYTE_48_DMAC_5_S, ah->av.mac[5]); - /* MAC loopback */ - smac = (u8 *)hr_dev->dev_addr[qp->port]; - loopback = ether_addr_equal_unaligned(ah->av.mac, smac) ? 1 : 0; - - roce_set_bit(ud_sq_wqe->byte_40, - V2_UD_SEND_WQE_BYTE_40_LBI_S, loopback); - ud_sq_wqe->msg_len = cpu_to_le32(msg_len); /* Set sig attr */ |