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Message-ID: <20070608162415.1481dfec@localhost.localdomain>
Date: Fri, 8 Jun 2007 16:24:15 -0700
From: Stephen Hemminger <shemminger@...ux-foundation.org>
To: Auke Kok <auke-jan.h.kok@...el.com>
Cc: netdev@...r.kernel.org, jeff@...zik.org, davem@...emloft.net,
arjan@...ux.intel.com
Subject: Re: [PATCH 1/2] [RFC] NET: Implement a standard ndev_printk family
>
> +#define ndev_printk(kern_level, netif_level, netdev, format, arg...) \
> + do { if ((netdev)->msg_enable & NETIF_MSG_##netif_level) { \
> + printk(kern_level "%s: " format, \
> + (netdev)->name, ## arg); } } while (0)
Could you make a version that doesn't evaluate the arguments twice?
> +#ifdef DEBUG
> +#define ndev_dbg(level, netdev, format, arg...) \
> + ndev_printk(KERN_DEBUG, level, netdev, format, ## arg)
> +#else
> +#define ndev_dbg(level, netdev, format, arg...) \
> + do { (void)(netdev); } while (0)
> +#endif
> +
> +#define ndev_err(level, netdev, format, arg...) \
> + ndev_printk(KERN_ERR, level, netdev, format, ## arg)
> +#define ndev_info(level, netdev, format, arg...) \
> + ndev_printk(KERN_INFO, level, netdev, format, ## arg)
> +#define ndev_warn(level, netdev, format, arg...) \
> + ndev_printk(KERN_WARNING, level, netdev, format, ## arg)
> +#define ndev_notice(level, netdev, format, arg...) \
> + ndev_printk(KERN_NOTICE, level, netdev, format, ## arg)
> +
> #define netif_msg_drv(p) ((p)->msg_enable & NETIF_MSG_DRV)
> #define netif_msg_probe(p) ((p)->msg_enable & NETIF_MSG_PROBE)
> #define netif_msg_link(p) ((p)->msg_enable & NETIF_MSG_LINK)
> diff --git a/net/core/dev.c b/net/core/dev.c
> index 5a7f20f..e854c09 100644
> --- a/net/core/dev.c
> +++ b/net/core/dev.c
> @@ -3376,6 +3376,16 @@ struct net_device *alloc_netdev(int sizeof_priv, const char *name,
> dev->priv = netdev_priv(dev);
>
> dev->get_stats = internal_stats;
> + dev->msg_enable = NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK;
> +#ifdef DEBUG
> + /* put these to good use: */
> + dev->msg_enable |= NETIF_MSG_TIMER | NETIF_MSG_IFDOWN |
> + NETIF_MSG_IFUP | NETIF_MSG_RX_ERR |
> + NETIF_MSG_TX_ERR | NETIF_MSG_TX_QUEUED |
> + NETIF_MSG_INTR | NETIF_MSG_TX_DONE |
> + NETIF_MSG_RX_STATUS | NETIF_MSG_PKTDATA |
> + NETIF_MSG_HW | NETIF_MSG_WOL;
> +#endif
Let driver writer choose message enable bits please.
--
Stephen Hemminger <shemminger@...ux-foundation.org>
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