From: Wolfgang Grandegger <wg@grandegger.com>
Date: Thu, 8 Oct 2009 22:17:11 +0000 (+0000)
Subject: can: make the number of echo skb's configurable
X-Git-Tag: v2.6.33-rc1~388^2~824
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a6e4bc5304033e434fabccabb230b8e9ff55d76f;p=pandora-kernel.git

can: make the number of echo skb's configurable

This patch allows the CAN controller driver to define the number of echo
skb's used for the local loopback (echo), as suggested by Kurt Van
Dijck, with the function:

  struct net_device *alloc_candev(int sizeof_priv,
                                  unsigned int echo_skb_max);

The CAN drivers have been adapted accordingly. For the ems_usb driver,
as suggested by Sebastian Haas, the number of echo skb's has been
increased to 10, which improves the transmission performance a lot.

Signed-off-by: Wolfgang Grandegger <wg@grandegger.com>
Signed-off-by: Kurt Van Dijck <kurt.van.dijck@eia.be>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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