* Tutorial or Read-me file for Linux can API @ 2013-04-05 4:29 Katoch 2013-04-05 6:00 ` Oliver Hartkopp 0 siblings, 1 reply; 2+ messages in thread From: Katoch @ 2013-04-05 4:29 UTC (permalink / raw) To: linux-can Hi, I am going through a can base network driver for MCP-2515 https://github.com/raspberrypi/linux/blob/rpi-3.6.y/drivers/net/can/mcp251x.c Please suggest where i can find the description of the function, :-- alloc_candev open_candev alloc_can_skb can_dropped_invalid_skb alloc_can_err_skb etc ..... Is there some read-me file or some tutorial ? Please suggest. //Katoch ^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: Tutorial or Read-me file for Linux can API 2013-04-05 4:29 Tutorial or Read-me file for Linux can API Katoch @ 2013-04-05 6:00 ` Oliver Hartkopp 0 siblings, 0 replies; 2+ messages in thread From: Oliver Hartkopp @ 2013-04-05 6:00 UTC (permalink / raw) To: Katoch; +Cc: linux-can On 05.04.2013 06:29, Katoch wrote: > Hi, > > I am going through a can base network driver for MCP-2515 > https://github.com/raspberrypi/linux/blob/rpi-3.6.y/drivers/net/can/mcp251x.c > > Please suggest where i can find the description of the function, :-- > alloc_candev > open_candev > alloc_can_skb > can_dropped_invalid_skb > alloc_can_err_skb > etc ..... > The mcp251x driver uses the Linux CAN driver infrastructure, e.g. to be able to set bitrates and other settings with the ip tool from the iproute2 package. See: http://lxr.linux.no/#linux+v3.8.5/Documentation/networking/can.txt#L746 You can find the according header files and implementations in: linux/include/linux/can/dev.h and linux/drivers/net/can/dev.c Please take care that CONFIG_CAN_DEV and CONFIG_CAN_CALC_BITTIMING are enabled in your Linux kernel configuration, see: http://lxr.linux.no/#linux+v3.8.5/drivers/net/can/Kconfig#L33 Regards, Oliver ^ permalink raw reply [flat|nested] 2+ messages in thread
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