diff options
| author |   Kalesh AP <kalesh-anakkur.purayil@broadcom.com> | 2024-12-17 15:56:46 +0530 |
|---|---|---|
| committer |   Leon Romanovsky <leon@kernel.org> | 2024-12-19 06:57:19 -0500 |
| commit | d5a38bf2f35979537c526acbc56bc435ed40685f (patch) | |
| tree | d4d13b9426f64e70029e4e42d437dbd9aab93766 | |
| parent | RDMA/bnxt_re: Fix max_qp_wrs reported (diff) | |
| download | wireguard-linux-d5a38bf2f35979537c526acbc56bc435ed40685f.tar.xz wireguard-linux-d5a38bf2f35979537c526acbc56bc435ed40685f.zip | |
RDMA/bnxt_re: Disable use of reserved wqes
Disabling the reserved wqes logic for Gen P5/P7 devices
because this workaround is required only for legacy devices.
Fixes: ecb53febfcad ("RDMA/bnxt_en: Enable RDMA driver support for 57500 chip")
Signed-off-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Link: https://patch.msgid.link/20241217102649.1377704-3-kalesh-anakkur.purayil@broadcom.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Diffstat (limited to '')
| -rw-r--r-- | drivers/infiniband/hw/bnxt_re/qplib_sp.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/infiniband/hw/bnxt_re/qplib_sp.c b/drivers/infiniband/hw/bnxt_re/qplib_sp.c index 73c9baaebb4e..776f8f1f1432 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_sp.c +++ b/drivers/infiniband/hw/bnxt_re/qplib_sp.c @@ -130,11 +130,13 @@ int bnxt_qplib_get_dev_attr(struct bnxt_qplib_rcfw *rcfw, sb->max_qp_init_rd_atom > BNXT_QPLIB_MAX_OUT_RD_ATOM ? BNXT_QPLIB_MAX_OUT_RD_ATOM : sb->max_qp_init_rd_atom; attr->max_qp_wqes = le16_to_cpu(sb->max_qp_wr) - 1; - /* - * 128 WQEs needs to be reserved for the HW (8916). Prevent - * reporting the max number - */ - attr->max_qp_wqes -= BNXT_QPLIB_RESERVED_QP_WRS + 1; + if (!bnxt_qplib_is_chip_gen_p5_p7(rcfw->res->cctx)) { + /* + * 128 WQEs needs to be reserved for the HW (8916). Prevent + * reporting the max number on legacy devices + */ + attr->max_qp_wqes -= BNXT_QPLIB_RESERVED_QP_WRS + 1; + } attr->max_qp_sges = cctx->modes.wqe_mode == BNXT_QPLIB_WQE_MODE_VARIABLE ? min_t(u32, sb->max_sge_var_wqe, BNXT_VAR_MAX_SGE) : 6; |