Re: [PATCH] ixgb: Delete IXGB_DBG() macro and call pr_debug() directly.

From: Auke Kok
Date: Tue Oct 10 2006 - 14:23:49 EST


Robert P. J. Day wrote:
On Tue, 10 Oct 2006, Auke Kok wrote:

Robert P. J. Day wrote:

... snip ...

if someone wants to tell me what, in the context of ixgb_main.c,
i would use as that "dev" argument [for dev_dbg], i'm all for
that.
(CC netdev since it's a network driver topic).

all our macro's (e100, e1000, ixgb) use adapter->netdev->name
inserted through the DPRINTK macro.

if you'd really want to clean it all up, you'd have to replace all
DPRINTK() calls with dev_dbg(adapter->netdev->name, ....) which
would just make it more lengthy and uncomfortable to read.

which puts this in a bigger perspective. I suppose the nicest way to do
program these is to do something like this:

#define ixgb_dbg(args...) dev_dbg(adapter->netdev->name, args)
#define ixgb_err(args...) dev_err(adapter->netdev->name, args)
#define ixgb_info(args...) dev_info(adapter->netdev->name, args)

and use those consistently throughout the driver, ditto for e100/e1000.

I'll look into it and see what I can do.

um, yeah. i'm rapidly getting out of my comfort zone here. this
seemed like such a simple submission six hours ago. :-) live and
learn.

digging into it much deeper, dev_dbg seems horribly unsuited for our needs as it prints the pci bus address and al. That's a lot of information when we really only care about 'eth0: ' perhaps with 'ixgb: ' prepended to it.

You end up with pretty much the same code that was there before - unless we make something common for netdevices and use that instead:

#define netdev_dbg(netdev, args...) pr_debug(netdev->name, args)

and then use this stacked in the driver:

#define ixgb_dbg(args...) netdev_dbg(adapter->netdev, args)

that would seem clean and appropriate, and since this bit of infrastructure is missing from netdevice.h, explains the current situation in all netdrivers (chaos).

of course, I'm completely not taking netif_msg_level into account yet here, which probably makes it a bit more hairy.


Auke
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