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From: Eric Dumazet <eric.dumazet@gmail.com>
To: Sebastian Haas <haas@ems-wuensche.com>
Cc: netdev@vger.kernel.org, greg@kroah.com, wg@grandegger.com,
	oliver@hartkopp.net, socketcan-core@lists.berlios.de,
	linux-usb@vger.kernel.org
Subject: Re: [PATCH 2/2] ems_usb: Added support for EMS CPC-USB/ARM7 CAN/USB interface
Date: Tue, 15 Sep 2009 13:10:34 +0200	[thread overview]
Message-ID: <4AAF762A.5030605@gmail.com> (raw)
In-Reply-To: <20090914082229.5441.16650.stgit@localhost.localdomain>

Sebastian Haas a écrit :
> This patch adds support for one channel CAN/USB interace CPC-USB/ARM7 from
> EMS Dr. Thomas Wuensche (http://www.ems-wuensche.com).
> 
> Signed-off-by: Sebastian Haas <haas@ems-wuensche.com>
> ---
> 

...

> +	netif_rx(skb);
> +
> +	dev->netdev->last_rx = jiffies;

Please dont update last_rx unless your driver *really* needs to.

drivers/net/sky2.c is an example of driver that has to update ->last_rx
for its internal use.

But most drivers dont need it anymore, since core network
already update it if necessary  (check skb_bond_should_drop())


> +	stats->rx_packets++;
> +	stats->rx_bytes += cf->can_dlc;
> +}
> +

  parent reply	other threads:[~2009-09-15 11:10 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20090914080945.5441.45509.stgit@localhost.localdomain>
     [not found] ` <20090914082229.5441.16650.stgit@localhost.localdomain>
     [not found]   ` <20090914082229.5441.16650.stgit-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2009-09-15 10:57     ` [PATCH 2/2] ems_usb: Added support for EMS CPC-USB/ARM7 CAN/USB interface Wolfgang Grandegger
2009-09-15 11:40       ` Sebastian Haas
     [not found]         ` <4AAF7D47.1070005-zsNKPWJ8Pib6hrUXjxyGrA@public.gmane.org>
2009-09-15 12:05           ` Wolfgang Grandegger
     [not found]             ` <4AAF82F4.6040708-5Yr1BZd7O62+XT7JhA+gdA@public.gmane.org>
2009-09-15 13:33               ` Sebastian Haas
2009-09-15 11:10   ` Eric Dumazet [this message]
     [not found]     ` <4AAF762A.5030605-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2009-09-15 11:36       ` Sebastian Haas
2009-09-11 10:54 [PATCH 1/2] cpc-usb: Removed driver from staging tree Sebastian Haas
     [not found] ` <20090911105449.7815.65368.stgit-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2009-09-11 10:54   ` [PATCH 2/2] ems_usb: Added support for EMS CPC-USB/ARM7 CAN/USB interface Sebastian Haas
     [not found]     ` <20090911105455.7815.12354.stgit-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2009-09-11 11:36       ` Wolfgang Grandegger
2009-09-11 12:07         ` Oliver Hartkopp

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