netdev - RE: [net-next v3 04/15] iecm: Common module introduction and function stubs

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Date:   Fri, 26 Jun 2020 17:34:15 +0000
From:   "Brady, Alan" <alan.brady@...el.com>
To:     Joe Perches <joe@...ches.com>,
        "Kirsher, Jeffrey T" <jeffrey.t.kirsher@...el.com>,
        "davem@...emloft.net" <davem@...emloft.net>
CC:     "Michael, Alice" <alice.michael@...el.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "nhorman@...hat.com" <nhorman@...hat.com>,
        "sassmann@...hat.com" <sassmann@...hat.com>,
        "Burra, Phani R" <phani.r.burra@...el.com>,
        "Hay, Joshua A" <joshua.a.hay@...el.com>,
        "Chittim, Madhu" <madhu.chittim@...el.com>,
        "Linga, Pavan Kumar" <pavan.kumar.linga@...el.com>,
        "Skidmore, Donald C" <donald.c.skidmore@...el.com>,
        "Brandeburg, Jesse" <jesse.brandeburg@...el.com>,
        "Samudrala, Sridhar" <sridhar.samudrala@...el.com>
Subject: RE: [net-next v3 04/15] iecm: Common module introduction and function
 stubs

> -----Original Message-----
> From: Joe Perches <joe@...ches.com>
> Sent: Thursday, June 25, 2020 7:24 PM
> To: Kirsher, Jeffrey T <jeffrey.t.kirsher@...el.com>; davem@...emloft.net
> Cc: Michael, Alice <alice.michael@...el.com>; netdev@...r.kernel.org;
> nhorman@...hat.com; sassmann@...hat.com; Brady, Alan
> <alan.brady@...el.com>; Burra, Phani R <phani.r.burra@...el.com>; Hay,
> Joshua A <joshua.a.hay@...el.com>; Chittim, Madhu
> <madhu.chittim@...el.com>; Linga, Pavan Kumar
> <pavan.kumar.linga@...el.com>; Skidmore, Donald C
> <donald.c.skidmore@...el.com>; Brandeburg, Jesse
> <jesse.brandeburg@...el.com>; Samudrala, Sridhar
> <sridhar.samudrala@...el.com>
> Subject: Re: [net-next v3 04/15] iecm: Common module introduction and
> function stubs
> 
> On Thu, 2020-06-25 at 19:07 -0700, Jeff Kirsher wrote:
> > From: Alice Michael <alice.michael@...el.com>
> >
> > This introduces function stubs for the framework of the common module.
> 
> trivia:
> 
> > diff --git a/drivers/net/ethernet/intel/iecm/iecm_lib.c
> > b/drivers/net/ethernet/intel/iecm/iecm_lib.c
> []
> > @@ -0,0 +1,407 @@
> > +// SPDX-License-Identifier: GPL-2.0-only
> > +/* Copyright (C) 2020 Intel Corporation */
> > +
> > +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
> > +
> > +#include <linux/net/intel/iecm.h>
> > +
> > +static const struct net_device_ops iecm_netdev_ops_splitq; static
> > +const struct net_device_ops iecm_netdev_ops_singleq; extern int
> > +debug;
> 
> extern int debug doesn't seem like a good global name.
> 
> extern int iecm_debug?
> 

Agreed, will fix.

> > diff --git a/drivers/net/ethernet/intel/iecm/iecm_main.c
> > b/drivers/net/ethernet/intel/iecm/iecm_main.c
> []
> > @@ -0,0 +1,47 @@
> > +// SPDX-License-Identifier: GPL-2.0-only
> > +/* Copyright (C) 2020 Intel Corporation */
> > +
> > +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
> > +
> > +#include <linux/net/intel/iecm.h>
> > +
> > +char iecm_drv_name[] = "iecm";
> > +#define DRV_SUMMARY	"Intel(R) Data Plane Function Linux Driver"
> > +static const char iecm_driver_string[] = DRV_SUMMARY; static const
> > +char iecm_copyright[] = "Copyright (c) 2020, Intel Corporation.";
> > +
> > +MODULE_AUTHOR("Intel Corporation, <linux.nics@...el.com>");
> > +MODULE_DESCRIPTION(DRV_SUMMARY); MODULE_LICENSE("GPL v2");
> > +
> > +int debug = -1;
> 
> iecm_debug?
> 

Yes will fix.

> > +module_param(debug, int, 0644);
> > +#ifndef CONFIG_DYNAMIC_DEBUG
> > +MODULE_PARM_DESC(debug, "netif level (0=none,...,16=all), hw
> > +debug_mask (0x8XXXXXXX)"); #else MODULE_PARM_DESC(debug, "netif level
> > +(0=none,...,16=all)"); #endif /* !CONFIG_DYNAMIC_DEBUG */
> 
> Are debugging levels described?
> 
>

I'm not confident I know what's being asked here.  We use this module parameter to pass into netif_msg_init for adapter->msg_enable similar to how other Intel NIC drivers do.
 
Alan