Commit 5adef66a authored by Larry Finger's avatar Larry Finger Committed by Greg Kroah-Hartman
Browse files

staging: r8188eu: Add files for new driver - part 19



This commit adds files os_dep/os_intfs.c, os_dep/recv_linux.c,
and os_dep/rtw_android.c.
Signed-off-by: default avatarLarry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent d3f4b828
This diff is collapsed.
/******************************************************************************
*
* Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* 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, USA
*
*
******************************************************************************/
#define _RECV_OSDEP_C_
#include <osdep_service.h>
#include <drv_types.h>
#include <wifi.h>
#include <recv_osdep.h>
#include <osdep_intf.h>
#include <ethernet.h>
#include <usb_ops.h>
/* init os related resource in struct recv_priv */
int rtw_os_recv_resource_init(struct recv_priv *precvpriv,
struct adapter *padapter)
{
return _SUCCESS;
}
/* alloc os related resource in union recv_frame */
int rtw_os_recv_resource_alloc(struct adapter *padapter,
union recv_frame *precvframe)
{
precvframe->u.hdr.pkt_newalloc = NULL;
precvframe->u.hdr.pkt = NULL;
return _SUCCESS;
}
/* free os related resource in union recv_frame */
void rtw_os_recv_resource_free(struct recv_priv *precvpriv)
{
}
/* alloc os related resource in struct recv_buf */
int rtw_os_recvbuf_resource_alloc(struct adapter *padapter,
struct recv_buf *precvbuf)
{
int res = _SUCCESS;
precvbuf->irp_pending = false;
precvbuf->purb = usb_alloc_urb(0, GFP_KERNEL);
if (precvbuf->purb == NULL)
res = _FAIL;
precvbuf->pskb = NULL;
precvbuf->reuse = false;
precvbuf->pallocated_buf = NULL;
precvbuf->pbuf = NULL;
precvbuf->pdata = NULL;
precvbuf->phead = NULL;
precvbuf->ptail = NULL;
precvbuf->pend = NULL;
precvbuf->transfer_len = 0;
precvbuf->len = 0;
return res;
}
/* free os related resource in struct recv_buf */
int rtw_os_recvbuf_resource_free(struct adapter *padapter,
struct recv_buf *precvbuf)
{
if (precvbuf->purb)
usb_free_urb(precvbuf->purb);
return _SUCCESS;
}
void rtw_handle_tkip_mic_err(struct adapter *padapter, u8 bgroup)
{
union iwreq_data wrqu;
struct iw_michaelmicfailure ev;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct security_priv *psecuritypriv = &padapter->securitypriv;
u32 cur_time = 0;
if (psecuritypriv->last_mic_err_time == 0) {
psecuritypriv->last_mic_err_time = rtw_get_current_time();
} else {
cur_time = rtw_get_current_time();
if (cur_time - psecuritypriv->last_mic_err_time < 60*HZ) {
psecuritypriv->btkip_countermeasure = true;
psecuritypriv->last_mic_err_time = 0;
psecuritypriv->btkip_countermeasure_time = cur_time;
} else {
psecuritypriv->last_mic_err_time = rtw_get_current_time();
}
}
_rtw_memset(&ev, 0x00, sizeof(ev));
if (bgroup)
ev.flags |= IW_MICFAILURE_GROUP;
else
ev.flags |= IW_MICFAILURE_PAIRWISE;
ev.src_addr.sa_family = ARPHRD_ETHER;
memcpy(ev.src_addr.sa_data, &pmlmepriv->assoc_bssid[0], ETH_ALEN);
_rtw_memset(&wrqu, 0x00, sizeof(wrqu));
wrqu.data.length = sizeof(ev);
wireless_send_event(padapter->pnetdev, IWEVMICHAELMICFAILURE,
&wrqu, (char *)&ev);
}
void rtw_hostapd_mlme_rx(struct adapter *padapter,
union recv_frame *precv_frame)
{
}
int rtw_recv_indicatepkt(struct adapter *padapter,
union recv_frame *precv_frame)
{
struct recv_priv *precvpriv;
struct __queue *pfree_recv_queue;
struct sk_buff *skb;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
_func_enter_;
precvpriv = &(padapter->recvpriv);
pfree_recv_queue = &(precvpriv->free_recv_queue);
skb = precv_frame->u.hdr.pkt;
if (skb == NULL) {
RT_TRACE(_module_recv_osdep_c_, _drv_err_,
("rtw_recv_indicatepkt():skb == NULL something wrong!!!!\n"));
goto _recv_indicatepkt_drop;
}
RT_TRACE(_module_recv_osdep_c_, _drv_info_,
("rtw_recv_indicatepkt():skb != NULL !!!\n"));
RT_TRACE(_module_recv_osdep_c_, _drv_info_,
("rtw_recv_indicatepkt():precv_frame->u.hdr.rx_head =%p precv_frame->hdr.rx_data =%p\n",
precv_frame->u.hdr.rx_head, precv_frame->u.hdr.rx_data));
RT_TRACE(_module_recv_osdep_c_, _drv_info_,
("precv_frame->hdr.rx_tail =%p precv_frame->u.hdr.rx_end =%p precv_frame->hdr.len =%d\n",
precv_frame->u.hdr.rx_tail, precv_frame->u.hdr.rx_end,
precv_frame->u.hdr.len));
skb->data = precv_frame->u.hdr.rx_data;
skb_set_tail_pointer(skb, precv_frame->u.hdr.len);
skb->len = precv_frame->u.hdr.len;
RT_TRACE(_module_recv_osdep_c_, _drv_info_,
("skb->head =%p skb->data =%p skb->tail =%p skb->end =%p skb->len =%d\n",
skb->head, skb->data, skb_tail_pointer(skb),
skb_end_pointer(skb), skb->len));
if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
struct sk_buff *pskb2 = NULL;
struct sta_info *psta = NULL;
struct sta_priv *pstapriv = &padapter->stapriv;
struct rx_pkt_attrib *pattrib = &precv_frame->u.hdr.attrib;
int bmcast = IS_MCAST(pattrib->dst);
if (!_rtw_memcmp(pattrib->dst, myid(&padapter->eeprompriv),
ETH_ALEN)) {
if (bmcast) {
psta = rtw_get_bcmc_stainfo(padapter);
pskb2 = skb_clone(skb, GFP_ATOMIC);
} else {
psta = rtw_get_stainfo(pstapriv, pattrib->dst);
}
if (psta) {
struct net_device *pnetdev;
pnetdev = (struct net_device *)padapter->pnetdev;
skb->dev = pnetdev;
skb_set_queue_mapping(skb, rtw_recv_select_queue(skb));
rtw_xmit_entry(skb, pnetdev);
if (bmcast)
skb = pskb2;
else
goto _recv_indicatepkt_end;
}
}
}
rcu_read_lock();
rcu_dereference(padapter->pnetdev->rx_handler_data);
rcu_read_unlock();
skb->ip_summed = CHECKSUM_NONE;
skb->dev = padapter->pnetdev;
skb->protocol = eth_type_trans(skb, padapter->pnetdev);
netif_rx(skb);
_recv_indicatepkt_end:
/* pointers to NULL before rtw_free_recvframe() */
precv_frame->u.hdr.pkt = NULL;
rtw_free_recvframe(precv_frame, pfree_recv_queue);
RT_TRACE(_module_recv_osdep_c_, _drv_info_,
("\n rtw_recv_indicatepkt :after netif_rx!!!!\n"));
_func_exit_;
return _SUCCESS;
_recv_indicatepkt_drop:
/* enqueue back to free_recv_queue */
if (precv_frame)
rtw_free_recvframe(precv_frame, pfree_recv_queue);
_func_exit_;
return _FAIL;
}
void rtw_os_read_port(struct adapter *padapter, struct recv_buf *precvbuf)
{
struct recv_priv *precvpriv = &padapter->recvpriv;
precvbuf->ref_cnt--;
/* free skb in recv_buf */
dev_kfree_skb_any(precvbuf->pskb);
precvbuf->pskb = NULL;
precvbuf->reuse = false;
if (!precvbuf->irp_pending)
rtw_read_port(padapter, precvpriv->ff_hwaddr, 0,
(unsigned char *)precvbuf);
}
static void _rtw_reordering_ctrl_timeout_handler(void *func_context)
{
struct recv_reorder_ctrl *preorder_ctrl;
preorder_ctrl = (struct recv_reorder_ctrl *)func_context;
rtw_reordering_ctrl_timeout_handler(preorder_ctrl);
}
void rtw_init_recv_timer(struct recv_reorder_ctrl *preorder_ctrl)
{
struct adapter *padapter = preorder_ctrl->padapter;
_init_timer(&(preorder_ctrl->reordering_ctrl_timer), padapter->pnetdev, _rtw_reordering_ctrl_timeout_handler, preorder_ctrl);
}
/******************************************************************************
*
* Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* 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, USA
*
*
******************************************************************************/
#include <linux/module.h>
#include <linux/netdevice.h>
#include <rtw_android.h>
#include <osdep_service.h>
#include <rtw_debug.h>
#include <ioctl_cfg80211.h>
#include <rtw_ioctl_set.h>
static const char *android_wifi_cmd_str[ANDROID_WIFI_CMD_MAX] = {
"START",
"STOP",
"SCAN-ACTIVE",
"SCAN-PASSIVE",
"RSSI",
"LINKSPEED",
"RXFILTER-START",
"RXFILTER-STOP",
"RXFILTER-ADD",
"RXFILTER-REMOVE",
"BTCOEXSCAN-START",
"BTCOEXSCAN-STOP",
"BTCOEXMODE",
"SETSUSPENDOPT",
"P2P_DEV_ADDR",
"SETFWPATH",
"SETBAND",
"GETBAND",
"COUNTRY",
"P2P_SET_NOA",
"P2P_GET_NOA",
"P2P_SET_PS",
"SET_AP_WPS_P2P_IE",
"MACADDR",
"BLOCK",
"WFD-ENABLE",
"WFD-DISABLE",
"WFD-SET-TCPPORT",
"WFD-SET-MAXTPUT",
"WFD-SET-DEVTYPE",
};
struct android_wifi_priv_cmd {
const char __user *buf;
int used_len;
int total_len;
};
/**
* Local (static) functions and variables
*/
/* Initialize g_wifi_on to 1 so dhd_bus_start will be called for the first
* time (only) in dhd_open, subsequential wifi on will be handled by
* wl_android_wifi_on
*/
static int g_wifi_on = true;
int rtw_android_cmdstr_to_num(char *cmdstr)
{
int cmd_num;
for (cmd_num = 0; cmd_num < ANDROID_WIFI_CMD_MAX; cmd_num++)
if (0 == strnicmp(cmdstr , android_wifi_cmd_str[cmd_num],
strlen(android_wifi_cmd_str[cmd_num])))
break;
return cmd_num;
}
static int rtw_android_get_rssi(struct net_device *net, char *command,
int total_len)
{
struct adapter *padapter = (struct adapter *)rtw_netdev_priv(net);
struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
struct wlan_network *pcur_network = &pmlmepriv->cur_network;
int bytes_written = 0;
if (check_fwstate(pmlmepriv, _FW_LINKED)) {
bytes_written += snprintf(&command[bytes_written], total_len,
"%s rssi %d",
pcur_network->network.Ssid.Ssid,
padapter->recvpriv.rssi);
}
return bytes_written;
}
static int rtw_android_get_link_speed(struct net_device *net, char *command,
int total_len)
{
struct adapter *padapter = (struct adapter *)rtw_netdev_priv(net);
int bytes_written;
u16 link_speed;
link_speed = rtw_get_cur_max_rate(padapter) / 10;
bytes_written = snprintf(command, total_len, "LinkSpeed %d",
link_speed);
return bytes_written;
}
static int rtw_android_get_macaddr(struct net_device *net, char *command,
int total_len)
{
int bytes_written;
bytes_written = snprintf(command, total_len, "Macaddr = %pM",
net->dev_addr);
return bytes_written;
}
static int android_set_cntry(struct net_device *net, char *command,
int total_len)
{
struct adapter *adapter = (struct adapter *)rtw_netdev_priv(net);
char *country_code = command + strlen(android_wifi_cmd_str[ANDROID_WIFI_CMD_COUNTRY]) + 1;
int ret;
ret = rtw_set_country(adapter, country_code);
return (ret == _SUCCESS) ? 0 : -1;
}
static int android_get_p2p_addr(struct net_device *net, char *command,
int total_len)
{
/* We use the same address as our HW MAC address */
memcpy(command, net->dev_addr, ETH_ALEN);
return ETH_ALEN;
}
static int rtw_android_set_block(struct net_device *net, char *command,
int total_len)
{
return 0;
}
int rtw_android_priv_cmd(struct net_device *net, struct ifreq *ifr, int cmd)
{
int ret = 0;
char *command = NULL;
int cmd_num;
int bytes_written = 0;
struct android_wifi_priv_cmd priv_cmd;
rtw_lock_suspend();
if (!ifr->ifr_data) {
ret = -EINVAL;
goto exit;
}
if (copy_from_user(&priv_cmd, ifr->ifr_data,
sizeof(struct android_wifi_priv_cmd))) {
ret = -EFAULT;
goto exit;
}
command = kmalloc(priv_cmd.total_len, GFP_KERNEL);
if (!command) {
DBG_88E("%s: failed to allocate memory\n", __func__);
ret = -ENOMEM;
goto exit;
}
if (!access_ok(VERIFY_READ, priv_cmd.buf, priv_cmd.total_len)) {
DBG_88E("%s: failed to access memory\n", __func__);
ret = -EFAULT;
goto exit;
}
if (copy_from_user(command, (char __user *)priv_cmd.buf,
priv_cmd.total_len)) {
ret = -EFAULT;
goto exit;
}
DBG_88E("%s: Android private cmd \"%s\" on %s\n",
__func__, command, ifr->ifr_name);
cmd_num = rtw_android_cmdstr_to_num(command);
switch (cmd_num) {
case ANDROID_WIFI_CMD_START:
goto response;
case ANDROID_WIFI_CMD_SETFWPATH:
goto response;
}
if (!g_wifi_on) {
DBG_88E("%s: Ignore private cmd \"%s\" - iface %s is down\n",
__func__, command, ifr->ifr_name);
ret = 0;
goto exit;
}
switch (cmd_num) {
case ANDROID_WIFI_CMD_STOP:
break;
case ANDROID_WIFI_CMD_SCAN_ACTIVE:
break;
case ANDROID_WIFI_CMD_SCAN_PASSIVE:
break;
case ANDROID_WIFI_CMD_RSSI:
bytes_written = rtw_android_get_rssi(net, command,
priv_cmd.total_len);
break;
case ANDROID_WIFI_CMD_LINKSPEED:
bytes_written = rtw_android_get_link_speed(net, command,
priv_cmd.total_len);
break;
case ANDROID_WIFI_CMD_MACADDR:
bytes_written = rtw_android_get_macaddr(net, command,
priv_cmd.total_len);
break;
case ANDROID_WIFI_CMD_BLOCK:
bytes_written = rtw_android_set_block(net, command,
priv_cmd.total_len);
break;
case ANDROID_WIFI_CMD_RXFILTER_START:
break;
case ANDROID_WIFI_CMD_RXFILTER_STOP:
break;
case ANDROID_WIFI_CMD_RXFILTER_ADD:
break;
case ANDROID_WIFI_CMD_RXFILTER_REMOVE:
break;
case ANDROID_WIFI_CMD_BTCOEXSCAN_START:
/* TBD: BTCOEXSCAN-START */
break;
case ANDROID_WIFI_CMD_BTCOEXSCAN_STOP:
/* TBD: BTCOEXSCAN-STOP */
break;
case ANDROID_WIFI_CMD_BTCOEXMODE:
break;
case ANDROID_WIFI_CMD_SETSUSPENDOPT:
break;
case ANDROID_WIFI_CMD_SETBAND:
break;
case ANDROID_WIFI_CMD_GETBAND:
break;
case ANDROID_WIFI_CMD_COUNTRY:
bytes_written = android_set_cntry(net, command,
priv_cmd.total_len);
break;
case ANDROID_WIFI_CMD_P2P_DEV_ADDR:
bytes_written = android_get_p2p_addr(net, command,
priv_cmd.total_len);
break;
case ANDROID_WIFI_CMD_P2P_SET_NOA:
break;
case ANDROID_WIFI_CMD_P2P_GET_NOA:
break;
case ANDROID_WIFI_CMD_P2P_SET_PS:
break;
default:
DBG_88E("Unknown PRIVATE command %s - ignored\n", command);
snprintf(command, 3, "OK");
bytes_written = strlen("OK");
}
response:
if (bytes_written >= 0) {
if ((bytes_written == 0) && (priv_cmd.total_len > 0))
command[0] = '\0';
if (bytes_written >= priv_cmd.total_len) {
DBG_88E("%s: bytes_written = %d\n", __func__,
bytes_written);
bytes_written = priv_cmd.total_len;
} else {
bytes_written++;
}
priv_cmd.used_len = bytes_written;
if (copy_to_user((char __user *)priv_cmd.buf, command,
bytes_written)) {
DBG_88E("%s: failed to copy data to user buffer\n",
__func__);
ret = -EFAULT;
}
} else {
ret = bytes_written;
}
exit:
rtw_unlock_suspend();
kfree(command);
return ret;
}
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