RDMA/bnxt_re: Do not enable congestion control on VFs

Congestion control needs to be enabled only on the PFs. FW fails the
command if issued on VFs. Avoid sending the command on VFs.

Fixes: f13bcef04ba0 ("RDMA/bnxt_re: Enable congestion control by default")
Link: https://lore.kernel.org/r/1684397461-23082-4-git-send-email-selvin.xavier@broadcom.com
Signed-off-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Reviewed-by: Selvin Thyparampil Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>

diff --git a/drivers/infiniband/hw/bnxt_re/main.c b/drivers/infiniband/hw/bnxt_re/main.c
index b9e2f89337e85e9a26b1d7ce63ceef906fd4fd67..e34eccd178d0f3ad666973097d075e084b051e3e 100644 (file)
--- a/drivers/infiniband/hw/bnxt_re/main.c
+++ b/drivers/infiniband/hw/bnxt_re/main.c
@@ -1336,6 +1336,10 @@ static void bnxt_re_setup_cc(struct bnxt_re_dev *rdev, bool enable)
 {
        struct bnxt_qplib_cc_param cc_param = {};
 
+       /* Do not enable congestion control on VFs */
+       if (rdev->is_virtfn)
+               return;
+
        /* Currently enabling only for GenP5 adapters */
        if (!bnxt_qplib_is_chip_gen_p5(rdev->chip_ctx))
                return;