From: Tom Evans <tom_usenet@optusnet.com.au>
To: Paarvai Naai <opensource3141@gmail.com>, linux-can@vger.kernel.org
Subject: Re: getifaddrs and SocketCAN interfaces
Date: Mon, 30 Mar 2015 09:23:08 +1100 [thread overview]
Message-ID: <55187B4C.4070706@optusnet.com.au> (raw)
In-Reply-To: <CAE+ymrs_yWEgR6OVP8rCiqCr4wJtXUGkYVJNMbgZxufTROeZ4Q@mail.gmail.com>
On 29/03/15 07:30, Paarvai Naai wrote:
> Hi,
>
> I recently tried using getifaddrs to list all of the SocketCAN
> interfaces on my system programmatically.
root@triton1:/# find /sys -name "*can*"
/sys/bus/platform/devices/flexcan.0
/sys/bus/platform/devices/flexcan.1
/sys/bus/platform/drivers/flexcan
/sys/bus/platform/drivers/flexcan/flexcan.0
/sys/bus/platform/drivers/flexcan/flexcan.1
/sys/devices/soc.0/50000000.aips/flexcan.0
/sys/devices/soc.0/50000000.aips/flexcan.0/net/can0
/sys/devices/soc.0/50000000.aips/flexcan.1
/sys/devices/soc.0/50000000.aips/flexcan.1/net/can1
/sys/devices/virtual/net/vcan0
...
/sys/class/net/vcan0
/sys/class/net/can0
/sys/class/net/can1
Then I open them by name:
struct ifreq ifr;
strcpy(ifr.ifr_name, f_vnCanBusNames[a_eDevice]);
/* ifr.ifr_ifindex gets filled
rc = ioctl(pSkt->skt, SIOCGIFINDEX, &ifr);
Or was there something else you needed?
Tom
prev parent reply other threads:[~2015-03-29 22:47 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-28 20:30 getifaddrs and SocketCAN interfaces Paarvai Naai
2015-03-29 18:36 ` Oliver Hartkopp
2015-03-29 19:40 ` dev.kurt
2015-03-30 21:46 ` Paarvai Naai
2015-03-29 22:23 ` Tom Evans [this message]
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