devices/rtdmnet.c : abuse RTDM api to allow sendmsg and recvmsg to be called indirectly from userland cobalt process ioctl, while rtdm_socket is created from a kernel thread.
/**
Network Driver for Beckhoff CCAT communication controller
Copyright (C) 2014 Beckhoff Automation GmbH
Author: Patrick Bruenn <p.bruenn@beckhoff.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef _NETDEV_H_
#define _NETDEV_H_
extern struct ccat_eth_priv *ccat_eth_init(const struct ccat_device *ccatdev,
const void __iomem * addr);
extern void ccat_eth_remove(struct ccat_eth_priv *priv);
#endif /* #ifndef _NETDEV_H_ */