Re: [PATCH V2 net] net: mana: Configure hwc timeout from hardware

From: Simon Horman
Date: Sat Jul 08 2023 - 09:31:20 EST


On Fri, Jul 07, 2023 at 02:45:28AM -0700, Souradeep Chakrabarti wrote:
> At present hwc timeout value is a fixed value.
> This patch sets the hwc timeout from the hardware.
>
> Signed-off-by: Souradeep Chakrabarti <schakrabarti@xxxxxxxxxxxxxxxxxxx>
> ---
> V1 -> V2:
> * Added return check for mana_gd_query_hwc_timeout
> * Removed dev_err from mana_gd_query_hwc_timeout
> ---
> .../net/ethernet/microsoft/mana/gdma_main.c | 30 ++++++++++++++++++-
> .../net/ethernet/microsoft/mana/hw_channel.c | 25 +++++++++++++++-
> include/net/mana/gdma.h | 20 ++++++++++++-
> include/net/mana/hw_channel.h | 5 ++++
> 4 files changed, 77 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/net/ethernet/microsoft/mana/gdma_main.c b/drivers/net/ethernet/microsoft/mana/gdma_main.c
> index 8f3f78b68592..949c927c3a7e 100644
> --- a/drivers/net/ethernet/microsoft/mana/gdma_main.c
> +++ b/drivers/net/ethernet/microsoft/mana/gdma_main.c
> @@ -106,6 +106,27 @@ static int mana_gd_query_max_resources(struct pci_dev *pdev)
> return 0;
> }
>
> +static int mana_gd_query_hwc_timeout(struct pci_dev *pdev, u32 *timeout_val)
> +{
> + struct gdma_context *gc = pci_get_drvdata(pdev);
> + struct gdma_query_hwc_timeout_req req = {};
> + struct gdma_query_hwc_timeout_resp resp = {};

Please use reverse xmas tree - longest line to shortest - for local
variables in Networking code.

...

> @@ -879,6 +900,7 @@ int mana_gd_verify_vf_version(struct pci_dev *pdev)
> struct gdma_context *gc = pci_get_drvdata(pdev);
> struct gdma_verify_ver_resp resp = {};
> struct gdma_verify_ver_req req = {};
> + struct hw_channel_context *hwc = gc->hwc.driver_data;
> int err;

Ditto.