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/****************************************************************************
**+-----------------------------------------------------------------------+**
**| |**
**| Copyright(c) 1998 - 2008 Texas Instruments. All rights reserved. |**
**| All rights reserved. |**
**| |**
**| Redistribution and use in source and binary forms, with or without |**
**| modification, are permitted provided that the following conditions |**
**| are met: |**
**| |**
**| * Redistributions of source code must retain the above copyright |**
**| notice, this list of conditions and the following disclaimer. |**
**| * Redistributions in binary form must reproduce the above copyright |**
**| notice, this list of conditions and the following disclaimer in |**
**| the documentation and/or other materials provided with the |**
**| distribution. |**
**| * Neither the name Texas Instruments nor the names of its |**
**| contributors may be used to endorse or promote products derived |**
**| from this software without specific prior written permission. |**
**| |**
**| THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |**
**| "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |**
**| LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |**
**| A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |**
**| OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |**
**| SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |**
**| LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |**
**| DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |**
**| THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |**
**| (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |**
**| OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |**
**| |**
**+-----------------------------------------------------------------------+**
****************************************************************************/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/stddef.h>
#include <linux/netdevice.h>
#include <linux/rtnetlink.h>
#include <linux/netlink.h>
#include "osTIType.h"
#include "esta_drv.h"
#include "osApi.h"
#include "ioctl_init.h"
#include "cli_cu_common.h"
#include "TI_IPC_Api.h"
UINT32 IPCKernelInit (TI_HANDLE hAdapter,TI_HANDLE hIPCEv)
{
return 0;
}
UINT32 IPCKernelDeInit (TI_HANDLE hAdapter)
{
return 0;
}
/*******************************************************/
INT32 IPC_EventSend(TI_HANDLE hAdapter, tiUINT8* pEvData, UINT32 EvDataSize)
{
struct sk_buff *skb;
int res;
tiwlan_net_dev_t *drv = (tiwlan_net_dev_t *) hAdapter;
UINT32 realSize = 0;
UINT32 msgSize;
struct nlmsghdr *nlh;
tiUINT8 *msg;
#ifdef CONFIG_ANDROID_POWER
drv->receive_packet = 1; /* Remember to stay awake */
#endif
/* This event is targetted to the OS process Id 0 is not a valid pId for LINUX*/
if (((IPC_EVENT_PARAMS *)pEvData)->uProcessID == 0)
{
((IPC_EVENT_PARAMS *)pEvData)->pfEventCallback((IPC_EV_DATA *)pEvData);
return 0;
}
/* set the payload size */
msgSize = (( IPC_EV_DATA *) pEvData) ->uBufferSize + offsetof(IPC_EV_DATA,uBuffer);
/* add the netlink header size */
realSize = NLMSG_SPACE(msgSize);
/* allocate the complete message */
skb = dev_alloc_skb(realSize);
if (!skb) {
printk(KERN_ERR "Failed to allocate new skb with size=%u.\n",realSize);
return -1;
}
/* set the netlink header params */
nlh = NLMSG_PUT(skb, 0, 0, NLMSG_DONE, realSize - sizeof(*nlh));
/* get the payload pointer */
msg = (char *)NLMSG_DATA(nlh);
/* copy the data to the payload */
memcpy(msg,pEvData,msgSize);
NETLINK_CB(skb).pid = 0; /* from kernel */
NETLINK_CB(skb).dst_group = RTNLGRP_LINK;
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23)
NETLINK_CB(skb).dst_pid = (( IPC_EVENT_PARAMS *) pEvData) ->uProcessID; /* Dm: */
#endif
/* send the message*/
res = netlink_unicast(drv->wl_sock, skb, (( IPC_EVENT_PARAMS *) pEvData) ->uProcessID, MSG_DONTWAIT);
/* Sanity checks. As far as we're concerned this error is unrecovarable.*/
if (res >= 0)
{
return 0;
}
nlmsg_failure:
ti_dprintf(TIWLAN_LOG_INFO,"IPC kernel: did not send the netlink message\n");
return -1;
}
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