diff options
| author | Selvin Xavier <selvin.xavier@broadcom.com> | 2023-03-30 11:45:40 +0200 |
|---|---|---|
| committer | Leon Romanovsky <leon@kernel.org> | 2023-04-04 08:17:21 +0200 |
| commit | f13bcef04ba0467b7901998c22408d5847d314a1 (patch) | |
| tree | 70525ace6548cfadde199dc26f31c7d6d74a76a7 /drivers/infiniband/hw/bnxt_re/main.c | |
| parent | RDAM/bnxt_re: Use tlv apis while processing the slow path commands (diff) | |
| download | linux-f13bcef04ba0467b7901998c22408d5847d314a1.tar.xz linux-f13bcef04ba0467b7901998c22408d5847d314a1.zip | |
RDMA/bnxt_re: Enable congestion control by default
Enable Congesion control by default. Issue FW command
enable the CC during driver load and disable it during
unload.
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Link: https://lore.kernel.org/r/1680169540-10029-8-git-send-email-selvin.xavier@broadcom.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Diffstat (limited to 'drivers/infiniband/hw/bnxt_re/main.c')
| -rw-r--r-- | drivers/infiniband/hw/bnxt_re/main.c | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/bnxt_re/main.c b/drivers/infiniband/hw/bnxt_re/main.c index 4aa344288b0f..b9e2f89337e8 100644 --- a/drivers/infiniband/hw/bnxt_re/main.c +++ b/drivers/infiniband/hw/bnxt_re/main.c @@ -1332,6 +1332,27 @@ exit: return rc; } +static void bnxt_re_setup_cc(struct bnxt_re_dev *rdev, bool enable) +{ + struct bnxt_qplib_cc_param cc_param = {}; + + /* Currently enabling only for GenP5 adapters */ + if (!bnxt_qplib_is_chip_gen_p5(rdev->chip_ctx)) + return; + + if (enable) { + cc_param.enable = 1; + cc_param.cc_mode = CMDQ_MODIFY_ROCE_CC_CC_MODE_PROBABILISTIC_CC_MODE; + } + + cc_param.mask = (CMDQ_MODIFY_ROCE_CC_MODIFY_MASK_CC_MODE | + CMDQ_MODIFY_ROCE_CC_MODIFY_MASK_ENABLE_CC | + CMDQ_MODIFY_ROCE_CC_MODIFY_MASK_TOS_ECN); + + if (bnxt_qplib_modify_cc(&rdev->qplib_res, &cc_param)) + ibdev_err(&rdev->ibdev, "Failed to setup CC enable = %d\n", enable); +} + /* * "Notifier chain callback can be invoked for the same chain from * different CPUs at the same time". @@ -1400,7 +1421,7 @@ static void bnxt_re_remove(struct auxiliary_device *adev) */ goto skip_remove; } - + bnxt_re_setup_cc(rdev, false); ib_unregister_device(&rdev->ibdev); ib_dealloc_device(&rdev->ibdev); bnxt_re_dev_uninit(rdev); @@ -1432,6 +1453,7 @@ static int bnxt_re_probe(struct auxiliary_device *adev, goto err; } + bnxt_re_setup_cc(rdev, true); mutex_unlock(&bnxt_re_mutex); return 0; |