diff options
| author | Weihang Li <liweihang@huawei.com> | 2020-04-30 18:31:30 +0800 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@mellanox.com> | 2020-05-06 17:33:20 -0300 |
| commit | b713128de7a17c7173f869323f8a5f0593e52538 (patch) | |
| tree | 8f4cff06dd99c427a08467c48d455cdbb8eeecc8 /drivers/infiniband/hw | |
| parent | 23190b8f47de2d2983d6052f6eb7781779db8eb3 (diff) | |
| download | linux-b713128de7a17c7173f869323f8a5f0593e52538.tar.bz2 | |
RDMA/hns: Adjust lp_pktn_ini dynamically
lp_pktn_ini means the number of loopback slice packets for long messages,
it should depend on MTU(fixed to 4096B currently) and max size of SQ
inline.
Link: https://lore.kernel.org/r/1588242691-12913-3-git-send-email-liweihang@huawei.com
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/infiniband/hw')
| -rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c index f70370d24512..7643b066deea 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c @@ -3977,7 +3977,8 @@ static int modify_qp_init_to_rtr(struct ib_qp *ibqp, /* mtu*(2^LP_PKTN_INI) should not bigger than 1 message length 64kb */ roce_set_field(context->byte_56_dqpn_err, V2_QPC_BYTE_56_LP_PKTN_INI_M, - V2_QPC_BYTE_56_LP_PKTN_INI_S, 0); + V2_QPC_BYTE_56_LP_PKTN_INI_S, + ilog2(hr_dev->caps.max_sq_inline / IB_MTU_4096)); roce_set_field(qpc_mask->byte_56_dqpn_err, V2_QPC_BYTE_56_LP_PKTN_INI_M, V2_QPC_BYTE_56_LP_PKTN_INI_S, 0); |