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: NLarry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8188eu/os_dep/recv_linux.c

+/******************************************************************************
+ *
+ * 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);
+}

drivers/staging/rtl8188eu/os_dep/rtw_android.c

+/******************************************************************************
+ *
+ * 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;
+}