diff options
Diffstat (limited to 'drivers/staging/rtl8192u/r8192U_core.c')
| -rw-r--r-- | drivers/staging/rtl8192u/r8192U_core.c | 4800 |
1 files changed, 0 insertions, 4800 deletions
diff --git a/drivers/staging/rtl8192u/r8192U_core.c b/drivers/staging/rtl8192u/r8192U_core.c deleted file mode 100644 index 0a60ef2010..0000000000 --- a/drivers/staging/rtl8192u/r8192U_core.c +++ /dev/null @@ -1,4800 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/****************************************************************************** - * Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved. - * Linux device driver for RTL8192U - * - * Based on the r8187 driver, which is: - * Copyright 2004-2005 Andrea Merello <andrea.merello@gmail.com>, et al. - * - * Contact Information: - * Jerry chuang <wlanfae@realtek.com> - */ - -#ifndef CONFIG_FORCE_HARD_FLOAT -double __floatsidf(int i) -{ - return i; -} - -unsigned int __fixunsdfsi(double d) -{ - return d; -} - -double __adddf3(double a, double b) -{ - return a + b; -} - -double __addsf3(float a, float b) -{ - return a + b; -} - -double __subdf3(double a, double b) -{ - return a - b; -} - -double __extendsfdf2(float a) -{ - return a; -} -#endif - -#define CONFIG_RTL8192_IO_MAP - -#include <linux/uaccess.h> -#include "r8192U_hw.h" -#include "r8192U.h" -#include "r8190_rtl8256.h" /* RTL8225 Radio frontend */ -#include "r8180_93cx6.h" /* Card EEPROM */ -#include "r8192U_wx.h" -#include "r819xU_phy.h" -#include "r819xU_phyreg.h" -#include "r819xU_cmdpkt.h" -#include "r8192U_dm.h" -#include <linux/usb.h> -#include <linux/slab.h> -#include <linux/seq_file.h> -/* FIXME: check if 2.6.7 is ok */ - -#include "ieee80211/dot11d.h" -/* set here to open your trace code. */ -u32 rt_global_debug_component = COMP_DOWN | - COMP_SEC | - COMP_ERR; /* always open err flags on */ - -#define TOTAL_CAM_ENTRY 32 -#define CAM_CONTENT_COUNT 8 - -static const struct usb_device_id rtl8192_usb_id_tbl[] = { - /* Realtek */ - {USB_DEVICE(0x0bda, 0x8709)}, - /* Corega */ - {USB_DEVICE(0x07aa, 0x0043)}, - /* Belkin */ - {USB_DEVICE(0x050d, 0x805E)}, - /* Sitecom */ - {USB_DEVICE(0x0df6, 0x0031)}, - /* EnGenius */ - {USB_DEVICE(0x1740, 0x9201)}, - /* Dlink */ - {USB_DEVICE(0x2001, 0x3301)}, - /* Zinwell */ - {USB_DEVICE(0x5a57, 0x0290)}, - /* LG */ - {USB_DEVICE(0x043e, 0x7a01)}, - {} -}; - -MODULE_LICENSE("GPL"); -MODULE_VERSION("V 1.1"); -MODULE_DEVICE_TABLE(usb, rtl8192_usb_id_tbl); -MODULE_DESCRIPTION("Linux driver for Realtek RTL8192 USB WiFi cards"); - -static char *ifname = "wlan%d"; -static int hwwep = 1; /* default use hw. set 0 to use software security */ - -module_param(ifname, charp, 0644); -module_param(hwwep, int, 0644); - -MODULE_PARM_DESC(ifname, " Net interface name, wlan%d=default"); -MODULE_PARM_DESC(hwwep, " Try to use hardware security support. "); - -static int rtl8192_usb_probe(struct usb_interface *intf, - const struct usb_device_id *id); -static void rtl8192_usb_disconnect(struct usb_interface *intf); - -static struct usb_driver rtl8192_usb_driver = { - .name = RTL819XU_MODULE_NAME, /* Driver name */ - .id_table = rtl8192_usb_id_tbl, /* PCI_ID table */ - .probe = rtl8192_usb_probe, /* probe fn */ - .disconnect = rtl8192_usb_disconnect, /* remove fn */ - .suspend = NULL, /* PM suspend fn */ - .resume = NULL, /* PM resume fn */ -}; - -struct CHANNEL_LIST { - u8 Channel[32]; - u8 Len; -}; - -static struct CHANNEL_LIST ChannelPlan[] = { - /* FCC */ - {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 36, 40, 44, 48, 52, 56, 60, 64, 149, 153, 157, 161, 165}, 24}, - /* IC */ - {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11}, 11}, - /* ETSI */ - {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 36, 40, 44, 48, 52, 56, 60, 64}, 21}, - /* Spain. Change to ETSI. */ - {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, 13}, - /* France. Change to ETSI. */ - {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, 13}, - /* MKK */ - {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52, 56, 60, 64}, 22}, - /* MKK1 */ - {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52, 56, 60, 64}, 22}, - /* Israel. */ - {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, 13}, - /* For 11a , TELEC */ - {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52, 56, 60, 64}, 22}, - /* MIC */ - {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52, 56, 60, 64}, 22}, - /* For Global Domain. 1-11:active scan, 12-14 passive scan. */ - {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14}, 14} -}; - -static void rtl819x_set_channel_map(u8 channel_plan, struct r8192_priv *priv) -{ - int i, max_chan = -1, min_chan = -1; - struct ieee80211_device *ieee = priv->ieee80211; - - switch (channel_plan) { - case COUNTRY_CODE_FCC: - case COUNTRY_CODE_IC: - case COUNTRY_CODE_ETSI: - case COUNTRY_CODE_SPAIN: - case COUNTRY_CODE_FRANCE: - case COUNTRY_CODE_MKK: - case COUNTRY_CODE_MKK1: - case COUNTRY_CODE_ISRAEL: - case COUNTRY_CODE_TELEC: - case COUNTRY_CODE_MIC: - rtl8192u_dot11d_init(ieee); - ieee->bGlobalDomain = false; - /* actually 8225 & 8256 rf chips only support B,G,24N mode */ - if ((priv->rf_chip == RF_8225) || (priv->rf_chip == RF_8256)) { - min_chan = 1; - max_chan = 14; - } else { - RT_TRACE(COMP_ERR, - "unknown rf chip, can't set channel map in function:%s()\n", - __func__); - } - if (ChannelPlan[channel_plan].Len != 0) { - /* Clear old channel map */ - memset(GET_DOT11D_INFO(ieee)->channel_map, 0, - sizeof(GET_DOT11D_INFO(ieee)->channel_map)); - /* Set new channel map */ - for (i = 0; i < ChannelPlan[channel_plan].Len; i++) { - if (ChannelPlan[channel_plan].Channel[i] < min_chan || ChannelPlan[channel_plan].Channel[i] > max_chan) - break; - GET_DOT11D_INFO(ieee)->channel_map[ChannelPlan[channel_plan].Channel[i]] = 1; - } - } - break; - - case COUNTRY_CODE_GLOBAL_DOMAIN: - /* this flag enabled to follow 11d country IE setting, - * otherwise, it shall follow global domain settings. - */ - GET_DOT11D_INFO(ieee)->dot11d_enabled = 0; - dot11d_reset(ieee); - ieee->bGlobalDomain = true; - break; - - default: - break; - } -} - -static void CamResetAllEntry(struct net_device *dev) -{ - u32 ulcommand = 0; - /* In static WEP, OID_ADD_KEY or OID_ADD_WEP are set before STA - * associate to AP. However, ResetKey is called on - * OID_802_11_INFRASTRUCTURE_MODE and MlmeAssociateRequest. In this - * condition, Cam can not be reset because upper layer will not set - * this static key again. - */ - ulcommand |= BIT(31) | BIT(30); - write_nic_dword(dev, RWCAM, ulcommand); -} - -int write_nic_byte_E(struct net_device *dev, int indx, u8 data) -{ - int status; - struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev); - struct usb_device *udev = priv->udev; - u8 *usbdata = kzalloc(sizeof(data), GFP_KERNEL); - - if (!usbdata) - return -ENOMEM; - *usbdata = data; - - status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), - RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE, - indx | 0xfe00, 0, usbdata, 1, 500); - kfree(usbdata); - - if (status < 0) { - netdev_err(dev, "%s TimeOut! status: %d\n", __func__, status); - return status; - } - return 0; -} - -int read_nic_byte_E(struct net_device *dev, int indx, u8 *data) -{ - int status; - struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev); - struct usb_device *udev = priv->udev; - u8 *usbdata = kzalloc(sizeof(u8), GFP_KERNEL); - - if (!usbdata) - return -ENOMEM; - - status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), - RTL8187_REQ_GET_REGS, RTL8187_REQT_READ, - indx | 0xfe00, 0, usbdata, 1, 500); - *data = *usbdata; - kfree(usbdata); - - if (status < 0) { - netdev_err(dev, "%s failure status: %d\n", __func__, status); - return status; - } - - return 0; -} - -/* as 92U has extend page from 4 to 16, so modify functions below. */ -int write_nic_byte(struct net_device *dev, int indx, u8 data) -{ - int status; - - struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev); - struct usb_device *udev = priv->udev; - u8 *usbdata = kzalloc(sizeof(data), GFP_KERNEL); - - if (!usbdata) - return -ENOMEM; - *usbdata = data; - - status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), - RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE, - (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f, - usbdata, 1, 500); - kfree(usbdata); - - if (status < 0) { - netdev_err(dev, "%s TimeOut! status: %d\n", __func__, status); - return status; - } - - return 0; -} - -int write_nic_word(struct net_device *dev, int indx, u16 data) -{ - int status; - - struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev); - struct usb_device *udev = priv->udev; - u16 *usbdata = kzalloc(sizeof(data), GFP_KERNEL); - - if (!usbdata) - return -ENOMEM; - *usbdata = data; - - status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), - RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE, - (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f, - usbdata, 2, 500); - kfree(usbdata); - - if (status < 0) { - netdev_err(dev, "%s TimeOut! status: %d\n", __func__, status); - return status; - } - - return 0; -} - -int write_nic_dword(struct net_device *dev, int indx, u32 data) -{ - int status; - - struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev); - struct usb_device *udev = priv->udev; - u32 *usbdata = kzalloc(sizeof(data), GFP_KERNEL); - - if (!usbdata) - return -ENOMEM; - *usbdata = data; - - status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), - RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE, - (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f, - usbdata, 4, 500); - kfree(usbdata); - - if (status < 0) { - netdev_err(dev, "%s TimeOut! status: %d\n", __func__, status); - return status; - } - - return 0; -} - -int read_nic_byte(struct net_device *dev, int indx, u8 *data) -{ - int status; - struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev); - struct usb_device *udev = priv->udev; - u8 *usbdata = kzalloc(sizeof(u8), GFP_KERNEL); - - if (!usbdata) - return -ENOMEM; - - status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), - RTL8187_REQ_GET_REGS, RTL8187_REQT_READ, - (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f, - usbdata, 1, 500); - *data = *usbdata; - kfree(usbdata); - - if (status < 0) { - netdev_err(dev, "%s failure status: %d\n", __func__, status); - return status; - } - - return 0; -} - -int read_nic_word(struct net_device *dev, int indx, u16 *data) -{ - int status; - struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev); - struct usb_device *udev = priv->udev; - u16 *usbdata = kzalloc(sizeof(u16), GFP_KERNEL); - - if (!usbdata) - return -ENOMEM; - - status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), - RTL8187_REQ_GET_REGS, RTL8187_REQT_READ, - (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f, - usbdata, 2, 500); - *data = *usbdata; - kfree(usbdata); - - if (status < 0) { - netdev_err(dev, "%s failure status: %d\n", __func__, status); - return status; - } - - return 0; -} - -static int read_nic_word_E(struct net_device *dev, int indx, u16 *data) -{ - int status; - struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev); - struct usb_device *udev = priv->udev; - u16 *usbdata = kzalloc(sizeof(u16), GFP_KERNEL); - - if (!usbdata) - return -ENOMEM; - - status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), - RTL8187_REQ_GET_REGS, RTL8187_REQT_READ, - indx | 0xfe00, 0, usbdata, 2, 500); - *data = *usbdata; - kfree(usbdata); - - if (status < 0) { - netdev_err(dev, "%s failure status: %d\n", __func__, status); - return status; - } - - return 0; -} - -int read_nic_dword(struct net_device *dev, int indx, u32 *data) -{ - int status; - - struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev); - struct usb_device *udev = priv->udev; - u32 *usbdata = kzalloc(sizeof(u32), GFP_KERNEL); - - if (!usbdata) - return -ENOMEM; - - status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), - RTL8187_REQ_GET_REGS, RTL8187_REQT_READ, - (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f, - usbdata, 4, 500); - *data = *usbdata; - kfree(usbdata); - - if (status < 0) { - netdev_err(dev, "%s failure status: %d\n", __func__, status); - return status; - } - - return 0; -} - -/* u8 read_phy_cck(struct net_device *dev, u8 adr); */ -/* u8 read_phy_ofdm(struct net_device *dev, u8 adr); */ -/* this might still called in what was the PHY rtl8185/rtl8192 common code - * plans are to possibility turn it again in one common code... - */ -inline void force_pci_posting(struct net_device *dev) -{ -} - -static struct net_device_stats *rtl8192_stats(struct net_device *dev); -static void rtl8192_restart(struct work_struct *work); -static void watch_dog_timer_callback(struct timer_list *t); - -/**************************************************************************** - * -----------------------------MISC STUFF------------------------- - *****************************************************************************/ - -short check_nic_enough_desc(struct net_device *dev, int queue_index) -{ - struct r8192_priv *priv = ieee80211_priv(dev); - int used = atomic_read(&priv->tx_pending[queue_index]); - - return (used < MAX_TX_URB); -} - -static void tx_timeout(struct net_device *dev, unsigned int txqueue) -{ - struct r8192_priv *priv = ieee80211_priv(dev); - - schedule_work(&priv->reset_wq); -} - -void rtl8192_update_msr(struct net_device *dev) -{ - struct r8192_priv *priv = ieee80211_priv(dev); - u8 msr; - - read_nic_byte(dev, MSR, &msr); - msr &= ~MSR_LINK_MASK; - - /* do not change in link_state != WLAN_LINK_ASSOCIATED. - * msr must be updated if the state is ASSOCIATING. - * this is intentional and make sense for ad-hoc and - * master (see the create BSS/IBSS func) - */ - if (priv->ieee80211->state == IEEE80211_LINKED) { - if (priv->ieee80211->iw_mode == IW_MODE_INFRA) - msr |= (MSR_LINK_MANAGED << MSR_LINK_SHIFT); - else if (priv->ieee80211->iw_mode == IW_MODE_ADHOC) - msr |= (MSR_LINK_ADHOC << MSR_LINK_SHIFT); - else if (priv->ieee80211->iw_mode == IW_MODE_MASTER) - msr |= (MSR_LINK_MASTER << MSR_LINK_SHIFT); - - } else { - msr |= (MSR_LINK_NONE << MSR_LINK_SHIFT); - } - - write_nic_byte(dev, MSR, msr); -} - -void rtl8192_set_chan(struct net_device *dev, short ch) -{ - struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev); - - RT_TRACE(COMP_CH, "=====>%s()====ch:%d\n", __func__, ch); - priv->chan = ch; - - /* this hack should avoid frame TX during channel setting*/ - - /* need to implement rf set channel here */ - - if (priv->rf_set_chan) - priv->rf_set_chan(dev, priv->chan); - mdelay(10); -} - -static void rtl8192_rx_isr(struct urb *urb); - -static u32 get_rxpacket_shiftbytes_819xusb(struct ieee80211_rx_stats *pstats) -{ - return (sizeof(struct rx_desc_819x_usb) + pstats->RxDrvInfoSize - + pstats->RxBufShift); -} - -void rtl8192_rx_enable(struct net_device *dev) -{ - struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev); - struct urb *entry; - struct sk_buff *skb; - struct rtl8192_rx_info *info; - - /* nomal packet rx procedure */ - while (skb_queue_len(&priv->rx_queue) < MAX_RX_URB) { - skb = __dev_alloc_skb(RX_URB_SIZE, GFP_KERNEL); - if (!skb) - break; - entry = usb_alloc_urb(0, GFP_KERNEL); - if (!entry) { - kfree_skb(skb); - break; - } - usb_fill_bulk_urb(entry, priv->udev, - usb_rcvbulkpipe(priv->udev, 3), - skb_tail_pointer(skb), - RX_URB_SIZE, rtl8192_rx_isr, skb); - info = (struct rtl8192_rx_info *)skb->cb; - info->urb = entry; - info->dev = dev; - info->out_pipe = 3; /* denote rx normal packet queue */ - skb_queue_tail(&priv->rx_queue, skb); - usb_submit_urb(entry, GFP_KERNEL); - } - - /* command packet rx procedure */ - while (skb_queue_len(&priv->rx_queue) < MAX_RX_URB + 3) { - skb = __dev_alloc_skb(RX_URB_SIZE, GFP_KERNEL); - if (!skb) - break; - entry = usb_alloc_urb(0, GFP_KERNEL); - if (!entry) { - kfree_skb(skb); - break; - } - usb_fill_bulk_urb(entry, priv->udev, - usb_rcvbulkpipe(priv->udev, 9), - skb_tail_pointer(skb), - RX_URB_SIZE, rtl8192_rx_isr, skb); - info = (struct rtl8192_rx_info *)skb->cb; - info->urb = entry; - info->dev = dev; - info->out_pipe = 9; /* denote rx cmd packet queue */ - skb_queue_tail(&priv->rx_queue, skb); - usb_submit_urb(entry, GFP_KERNEL); - } -} - -void rtl8192_set_rxconf(struct net_device *dev) -{ - struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev); - u32 rxconf; - - read_nic_dword(dev, RCR, &rxconf); - rxconf = rxconf & ~MAC_FILTER_MASK; - rxconf = rxconf | RCR_AMF; - rxconf = rxconf | RCR_ADF; - rxconf = rxconf | RCR_AB; - rxconf = rxconf | RCR_AM; - - if (dev->flags & IFF_PROMISC) - DMESG("NIC in promisc mode"); - - if (priv->ieee80211->iw_mode == IW_MODE_MONITOR || - dev->flags & IFF_PROMISC) { - rxconf = rxconf | RCR_AAP; - } else { - rxconf = rxconf | RCR_APM; - rxconf = rxconf | RCR_CBSSID; - } - - if (priv->ieee80211->iw_mode == IW_MODE_MONITOR) { - rxconf = rxconf | RCR_AICV; - rxconf = rxconf | RCR_APWRMGT; - } - - if (priv->crcmon == 1 && priv->ieee80211->iw_mode == IW_MODE_MONITOR) - rxconf = rxconf | RCR_ACRC32; - - rxconf = rxconf & ~RX_FIFO_THRESHOLD_MASK; - rxconf = rxconf | (RX_FIFO_THRESHOLD_NONE << RX_FIFO_THRESHOLD_SHIFT); - rxconf = rxconf & ~MAX_RX_DMA_MASK; - rxconf = rxconf | ((u32)7 << RCR_MXDMA_OFFSET); - - rxconf = rxconf | RCR_ONLYERLPKT; - - write_nic_dword(dev, RCR, rxconf); -} - -void rtl8192_rtx_disable(struct net_device *dev) -{ - u8 cmd; - struct r8192_priv *priv = ieee80211_priv(dev); - struct sk_buff *skb; - struct rtl8192_rx_info *info; - - read_nic_byte(dev, CMDR, &cmd); - write_nic_byte(dev, CMDR, cmd & ~(CR_TE | CR_RE)); - force_pci_posting(dev); - mdelay(10); - - while ((skb = __skb_dequeue(&priv->rx_queue))) { - info = (struct rtl8192_rx_info *)skb->cb; - if (!info->urb) - continue; - - usb_kill_urb(info->urb); - kfree_skb(skb); - } - - if (skb_queue_len(&priv->skb_queue)) - netdev_warn(dev, "skb_queue not empty\n"); - - skb_queue_purge(&priv->skb_queue); -} - -/* The prototype of rx_isr has changed since one version of Linux Kernel */ -static void rtl8192_rx_isr(struct urb *urb) -{ - struct sk_buff *skb = (struct sk_buff *)urb->context; - struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb; - struct net_device *dev = info->dev; - struct r8192_priv *priv = ieee80211_priv(dev); - int out_pipe = info->out_pipe; - int err; - - if (!priv->up) - return; - - if (unlikely(urb->status)) { - info->urb = NULL; - priv->stats.rxstaterr++; - priv->ieee80211->stats.rx_errors++; - usb_free_urb(urb); - return; - } - skb_unlink(skb, &priv->rx_queue); - skb_put(skb, urb->actual_length); - - skb_queue_tail(&priv->skb_queue, skb); - tasklet_schedule(&priv->irq_rx_tasklet); - - skb = dev_alloc_skb(RX_URB_SIZE); - if (unlikely(!skb)) { - usb_free_urb(urb); - netdev_err(dev, "%s(): can't alloc skb\n", __func__); - /* TODO check rx queue length and refill *somewhere* */ - return; - } - - usb_fill_bulk_urb(urb, priv->udev, - usb_rcvbulkpipe(priv->udev, out_pipe), - skb_tail_pointer(skb), - RX_URB_SIZE, rtl8192_rx_isr, skb); - - info = (struct rtl8192_rx_info *)skb->cb; - info->urb = urb; - info->dev = dev; - info->out_pipe = out_pipe; - - urb->transfer_buffer = skb_tail_pointer(skb); - urb->context = skb; - skb_queue_tail(&priv->rx_queue, skb); - err = usb_submit_urb(urb, GFP_ATOMIC); - if (err && err != -EPERM) - netdev_err(dev, - "can not submit rxurb, err is %x, URB status is %x\n", - err, urb->status); -} - -static u32 rtl819xusb_rx_command_packet(struct net_device *dev, - struct ieee80211_rx_stats *pstats) -{ - u32 status; - - status = cmpk_message_handle_rx(dev, pstats); - if (status) - DMESG("rxcommandpackethandle819xusb: It is a command packet\n"); - - return status; -} - -static void rtl8192_data_hard_stop(struct net_device *dev) -{ - /* FIXME !! */ -} - -static void rtl8192_data_hard_resume(struct net_device *dev) -{ - /* FIXME !! */ -} - -/* this function TX data frames when the ieee80211 stack requires this. - * It checks also if we need to stop the ieee tx queue, eventually do it - */ -static void rtl8192_hard_data_xmit(struct sk_buff *skb, struct net_device *dev, - int rate) -{ - struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev); - unsigned long flags; - struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE); - u8 queue_index = tcb_desc->queue_index; - - /* shall not be referred by command packet */ - RTL8192U_ASSERT(queue_index != TXCMD_QUEUE); - - spin_lock_irqsave(&priv->tx_lock, flags); - - *(struct net_device **)(skb->cb) = dev; - tcb_desc->bTxEnableFwCalcDur = 1; - skb_push(skb, priv->ieee80211->tx_headroom); - rtl8192_tx(dev, skb); - - spin_unlock_irqrestore(&priv->tx_lock, flags); -} - -/* This is a rough attempt to TX a frame - * This is called by the ieee 80211 stack to TX management frames. - * If the ring is full packet are dropped (for data frame the queue - * is stopped before this can happen). - */ -static int rtl8192_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) -{ - struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev); - int ret; - unsigned long flags; - struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE); - u8 queue_index = tcb_desc->queue_index; - - spin_lock_irqsave(&priv->tx_lock, flags); - - memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev)); - if (queue_index == TXCMD_QUEUE) { - skb_push(skb, USB_HWDESC_HEADER_LEN); - rtl819xU_tx_cmd(dev, skb); - ret = 1; - } else { - skb_push(skb, priv->ieee80211->tx_headroom); - ret = rtl8192_tx(dev, skb); - } - - spin_unlock_irqrestore(&priv->tx_lock, flags); - - return ret; -} - -static void rtl8192_tx_isr(struct urb *tx_urb) -{ - struct sk_buff *skb = (struct sk_buff *)tx_urb->context; - struct net_device *dev; - struct r8192_priv *priv = NULL; - struct cb_desc *tcb_desc; - u8 queue_index; - - if (!skb) - return; - - dev = *(struct net_device **)(skb->cb); - tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE); - queue_index = tcb_desc->queue_index; - - priv = ieee80211_priv(dev); - - if (tcb_desc->queue_index != TXCMD_QUEUE) { - if (tx_urb->status == 0) { - netif_trans_update(dev); - priv->stats.txoktotal++; - priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++; - priv->stats.txbytesunicast += - (skb->len - priv->ieee80211->tx_headroom); - } else { - priv->ieee80211->stats.tx_errors++; - /* TODO */ - } - } - - /* free skb and tx_urb */ - dev_kfree_skb_any(skb); - usb_free_urb(tx_urb); - atomic_dec(&priv->tx_pending[queue_index]); - - /* - * Handle HW Beacon: - * We had transfer our beacon frame to host controller at this moment. - * - * - * Caution: - * Handling the wait queue of command packets. - * For Tx command packets, we must not do TCB fragment because it is - * not handled right now. We must cut the packets to match the size of - * TX_CMD_PKT before we send it. - */ - - /* Handle MPDU in wait queue. */ - if (queue_index != BEACON_QUEUE) { - /* Don't send data frame during scanning.*/ - if ((skb_queue_len(&priv->ieee80211->skb_waitQ[queue_index]) != 0) && - (!(priv->ieee80211->queue_stop))) { - skb = skb_dequeue(&(priv->ieee80211->skb_waitQ[queue_index])); - if (skb) - priv->ieee80211->softmac_hard_start_xmit(skb, - dev); - - return; /* avoid further processing AMSDU */ - } - } -} - -static void rtl8192_config_rate(struct net_device *dev, u16 *rate_config) -{ - struct r8192_priv *priv = ieee80211_priv(dev); - struct ieee80211_network *net; - u8 i = 0, basic_rate = 0; - - net = &priv->ieee80211->current_network; - - for (i = 0; i < net->rates_len; i++) { - basic_rate = net->rates[i] & 0x7f; - switch (basic_rate) { - case MGN_1M: - *rate_config |= RRSR_1M; - break; - case MGN_2M: - *rate_config |= RRSR_2M; - break; - case MGN_5_5M: - *rate_config |= RRSR_5_5M; - break; - case MGN_11M: - *rate_config |= RRSR_11M; - break; - case MGN_6M: - *rate_config |= RRSR_6M; - break; - case MGN_9M: - *rate_config |= RRSR_9M; - break; - case MGN_12M: - *rate_config |= RRSR_12M; - break; - case MGN_18M: - *rate_config |= RRSR_18M; - break; - case MGN_24M: - *rate_config |= RRSR_24M; - break; - case MGN_36M: - *rate_config |= RRSR_36M; - break; - case MGN_48M: - *rate_config |= RRSR_48M; - break; - case MGN_54M: - *rate_config |= RRSR_54M; - break; - } - } - for (i = 0; i < net->rates_ex_len; i++) { - basic_rate = net->rates_ex[i] & 0x7f; - switch (basic_rate) { - case MGN_1M: - *rate_config |= RRSR_1M; - break; - case MGN_2M: - *rate_config |= RRSR_2M; - break; - case MGN_5_5M: - *rate_config |= RRSR_5_5M; - break; - case MGN_11M: - *rate_config |= RRSR_11M; - break; - case MGN_6M: - *rate_config |= RRSR_6M; - break; - case MGN_9M: - *rate_config |= RRSR_9M; - break; - case MGN_12M: - *rate_config |= RRSR_12M; - break; - case MGN_18M: - *rate_config |= RRSR_18M; - break; - case MGN_24M: - *rate_config |= RRSR_24M; - break; - case MGN_36M: - *rate_config |= RRSR_36M; - break; - case MGN_48M: - *rate_config |= RRSR_48M; - break; - case MGN_54M: - *rate_config |= RRSR_54M; - break; - } - } -} - -#define SHORT_SLOT_TIME 9 -#define NON_SHORT_SLOT_TIME 20 - -static void rtl8192_update_cap(struct net_device *dev, u16 cap) -{ - u32 tmp = 0; - struct r8192_priv *priv = ieee80211_priv(dev); - struct ieee80211_network *net = &priv->ieee80211->current_network; - - priv->short_preamble = cap & WLAN_CAPABILITY_SHORT_PREAMBLE; - tmp = priv->basic_rate; - if (priv->short_preamble) - tmp |= BRSR_AckShortPmb; - write_nic_dword(dev, RRSR, tmp); - - if (net->mode & (IEEE_G | IEEE_N_24G)) { - u8 slot_time = 0; - - if ((cap & WLAN_CAPABILITY_SHORT_SLOT) && - (!priv->ieee80211->pHTInfo->bCurrentRT2RTLongSlotTime)) - /* short slot time */ - slot_time = SHORT_SLOT_TIME; - else /* long slot time */ - slot_time = NON_SHORT_SLOT_TIME; - priv->slot_time = slot_time; - write_nic_byte(dev, SLOT_TIME, slot_time); - } -} - -static void rtl8192_net_update(struct net_device *dev) -{ - struct r8192_priv *priv = ieee80211_priv(dev); - struct ieee80211_network *net; - u16 BcnTimeCfg = 0, BcnCW = 6, BcnIFS = 0xf; - u16 rate_config = 0; - - net = &priv->ieee80211->current_network; - - rtl8192_config_rate(dev, &rate_config); - priv->basic_rate = rate_config & 0x15f; - - write_nic_dword(dev, BSSIDR, ((u32 *)net->bssid)[0]); - write_nic_word(dev, BSSIDR + 4, ((u16 *)net->bssid)[2]); - - rtl8192_update_msr(dev); - if (priv->ieee80211->iw_mode == IW_MODE_ADHOC) { - write_nic_word(dev, ATIMWND, 2); - write_nic_word(dev, BCN_DMATIME, 1023); - write_nic_word(dev, BCN_INTERVAL, net->beacon_interval); - write_nic_word(dev, BCN_DRV_EARLY_INT, 1); - write_nic_byte(dev, BCN_ERR_THRESH, 100); - BcnTimeCfg |= (BcnCW << BCN_TCFG_CW_SHIFT); - /* TODO: BcnIFS may required to be changed on ASIC */ - BcnTimeCfg |= BcnIFS << BCN_TCFG_IFS; - - write_nic_word(dev, BCN_TCFG, BcnTimeCfg); - } -} - -/* temporary hw beacon is not used any more. - * open it when necessary - */ -void rtl819xusb_beacon_tx(struct net_device *dev, u16 tx_rate) -{ -} - -short rtl819xU_tx_cmd(struct net_device *dev, struct sk_buff *skb) -{ - struct r8192_priv *priv = ieee80211_priv(dev); - int status; - struct urb *tx_urb; - unsigned int idx_pipe; - struct tx_desc_cmd_819x_usb *pdesc = (struct tx_desc_cmd_819x_usb *)skb->data; - struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE); - u8 queue_index = tcb_desc->queue_index; - - atomic_inc(&priv->tx_pending[queue_index]); - tx_urb = usb_alloc_urb(0, GFP_ATOMIC); - if (!tx_urb) { - dev_kfree_skb(skb); - return -ENOMEM; - } - - memset(pdesc, 0, USB_HWDESC_HEADER_LEN); - /* Tx descriptor ought to be set according to the skb->cb */ - pdesc->FirstSeg = 1; - pdesc->LastSeg = 1; - pdesc->CmdInit = tcb_desc->bCmdOrInit; - pdesc->TxBufferSize = tcb_desc->txbuf_size; - pdesc->OWN = 1; - pdesc->LINIP = tcb_desc->bLastIniPkt; - - /*--------------------------------------------------------------------- - * Fill up USB_OUT_CONTEXT. - *--------------------------------------------------------------------- - */ - idx_pipe = 0x04; - usb_fill_bulk_urb(tx_urb, priv->udev, - usb_sndbulkpipe(priv->udev, idx_pipe), - skb->data, skb->len, rtl8192_tx_isr, skb); - - status = usb_submit_urb(tx_urb, GFP_ATOMIC); - - if (!status) - return 0; - - DMESGE("Error TX CMD URB, error %d", status); - dev_kfree_skb(skb); - usb_free_urb(tx_urb); - return -1; -} - -/* - * Mapping Software/Hardware descriptor queue id to "Queue Select Field" - * in TxFwInfo data structure - * 2006.10.30 by Emily - * - * \param QUEUEID Software Queue - */ -static u8 MapHwQueueToFirmwareQueue(u8 QueueID) -{ - u8 QueueSelect = 0x0; /* default set to */ - - switch (QueueID) { - case BE_QUEUE: - QueueSelect = QSLT_BE; - break; - - case BK_QUEUE: - QueueSelect = QSLT_BK; - break; - - case VO_QUEUE: - QueueSelect = QSLT_VO; - break; - - case VI_QUEUE: - QueueSelect = QSLT_VI; - break; - case MGNT_QUEUE: - QueueSelect = QSLT_MGNT; - break; - - case BEACON_QUEUE: - QueueSelect = QSLT_BEACON; - break; - - /* TODO: mark other queue selection until we verify it is OK */ - /* TODO: Remove Assertions */ - case TXCMD_QUEUE: - QueueSelect = QSLT_CMD; - break; - case HIGH_QUEUE: - QueueSelect = QSLT_HIGH; - break; - - default: - RT_TRACE(COMP_ERR, - "TransmitTCB(): Impossible Queue Selection: %d\n", - QueueID); - break; - } - return QueueSelect; -} - -static u8 MRateToHwRate8190Pci(u8 rate) -{ - u8 ret = DESC90_RATE1M; - - switch (rate) { - case MGN_1M: - ret = DESC90_RATE1M; - break; - case MGN_2M: - ret = DESC90_RATE2M; - break; - case MGN_5_5M: - ret = DESC90_RATE5_5M; - break; - case MGN_11M: - ret = DESC90_RATE11M; - break; - case MGN_6M: - ret = DESC90_RATE6M; - break; - case MGN_9M: - ret = DESC90_RATE9M; - break; - case MGN_12M: - ret = DESC90_RATE12M; - break; - case MGN_18M: - ret = DESC90_RATE18M; - break; - case MGN_24M: - ret = DESC90_RATE24M; - break; - case MGN_36M: - ret = DESC90_RATE36M; - break; - case MGN_48M: - ret = DESC90_RATE48M; - break; - case MGN_54M: - ret = DESC90_RATE54M; - break; - - /* HT rate since here */ - case MGN_MCS0: - ret = DESC90_RATEMCS0; - break; - case MGN_MCS1: - ret = DESC90_RATEMCS1; - break; - case MGN_MCS2: - ret = DESC90_RATEMCS2; - break; - case MGN_MCS3: - ret = DESC90_RATEMCS3; - break; - case MGN_MCS4: - ret = DESC90_RATEMCS4; - break; - case MGN_MCS5: - ret = DESC90_RATEMCS5; - break; - case MGN_MCS6: - ret = DESC90_RATEMCS6; - break; - case MGN_MCS7: - ret = DESC90_RATEMCS7; - break; - case MGN_MCS8: - ret = DESC90_RATEMCS8; - break; - case MGN_MCS9: - ret = DESC90_RATEMCS9; - break; - case MGN_MCS10: - ret = DESC90_RATEMCS10; - break; - case MGN_MCS11: - ret = DESC90_RATEMCS11; - break; - case MGN_MCS12: - ret = DESC90_RATEMCS12; - break; - case MGN_MCS13: - ret = DESC90_RATEMCS13; - break; - case MGN_MCS14: - ret = DESC90_RATEMCS14; - break; - case MGN_MCS15: - ret = DESC90_RATEMCS15; - break; - case (0x80 | 0x20): - ret = DESC90_RATEMCS32; - break; - - default: - break; - } - return ret; -} - -static u8 QueryIsShort(u8 TxHT, u8 TxRate, struct cb_desc *tcb_desc) -{ - u8 tmp_Short; - - tmp_Short = (TxHT == 1) ? - ((tcb_desc->bUseShortGI) ? 1 : 0) : - ((tcb_desc->bUseShortPreamble) ? 1 : 0); - - if (TxHT == 1 && TxRate != DESC90_RATEMCS15) - tmp_Short = 0; - - return tmp_Short; -} - -static void tx_zero_isr(struct urb *tx_urb) -{ -} - -/* - * The tx procedure is just as following, - * skb->cb will contain all the following information, - * priority, morefrag, rate, &dev. - */ -short rtl8192_tx(struct net_device *dev, struct sk_buff *skb) -{ - struct r8192_priv *priv = ieee80211_priv(dev); - struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE); - struct tx_desc_819x_usb *tx_desc = (struct tx_desc_819x_usb *)skb->data; - struct tx_fwinfo_819x_usb *tx_fwinfo = - (struct tx_fwinfo_819x_usb *)(skb->data + USB_HWDESC_HEADER_LEN); - struct usb_device *udev = priv->udev; - int pend; - int status, rt = -1; - struct urb *tx_urb = NULL, *tx_urb_zero = NULL; - unsigned int idx_pipe; - - pend = atomic_read(&priv->tx_pending[tcb_desc->queue_index]); - /* we are locked here so the two atomic_read and inc are executed - * without interleaves - * !!! For debug purpose - */ - if (pend > MAX_TX_URB) { - netdev_dbg(dev, "To discard skb packet!\n"); - dev_kfree_skb_any(skb); - return -1; - } - - tx_urb = usb_alloc_urb(0, GFP_ATOMIC); - if (!tx_urb) { - dev_kfree_skb_any(skb); - return -ENOMEM; - } - - /* Fill Tx firmware info */ - memset(tx_fwinfo, 0, sizeof(struct tx_fwinfo_819x_usb)); - /* DWORD 0 */ - tx_fwinfo->TxHT = (tcb_desc->data_rate & 0x80) ? 1 : 0; - tx_fwinfo->TxRate = MRateToHwRate8190Pci(tcb_desc->data_rate); - tx_fwinfo->EnableCPUDur = tcb_desc->bTxEnableFwCalcDur; - tx_fwinfo->Short = QueryIsShort(tx_fwinfo->TxHT, tx_fwinfo->TxRate, - tcb_desc); - if (tcb_desc->bAMPDUEnable) { /* AMPDU enabled */ - tx_fwinfo->AllowAggregation = 1; - /* DWORD 1 */ - tx_fwinfo->RxMF = tcb_desc->ampdu_factor; - tx_fwinfo->RxAMD = tcb_desc->ampdu_density & 0x07; - } else { - tx_fwinfo->AllowAggregation = 0; - /* DWORD 1 */ - tx_fwinfo->RxMF = 0; - tx_fwinfo->RxAMD = 0; - } - - /* Protection mode related */ - tx_fwinfo->RtsEnable = (tcb_desc->bRTSEnable) ? 1 : 0; - tx_fwinfo->CtsEnable = (tcb_desc->bCTSEnable) ? 1 : 0; - tx_fwinfo->RtsSTBC = (tcb_desc->bRTSSTBC) ? 1 : 0; - tx_fwinfo->RtsHT = (tcb_desc->rts_rate & 0x80) ? 1 : 0; - tx_fwinfo->RtsRate = MRateToHwRate8190Pci((u8)tcb_desc->rts_rate); - tx_fwinfo->RtsSubcarrier = (tx_fwinfo->RtsHT == 0) ? (tcb_desc->RTSSC) : 0; - tx_fwinfo->RtsBandwidth = (tx_fwinfo->RtsHT == 1) ? ((tcb_desc->bRTSBW) ? 1 : 0) : 0; - tx_fwinfo->RtsShort = (tx_fwinfo->RtsHT == 0) ? (tcb_desc->bRTSUseShortPreamble ? 1 : 0) : - (tcb_desc->bRTSUseShortGI ? 1 : 0); - - /* Set Bandwidth and sub-channel settings. */ - if (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20_40) { - if (tcb_desc->bPacketBW) { - tx_fwinfo->TxBandwidth = 1; - /* use duplicated mode */ - tx_fwinfo->TxSubCarrier = 0; - } else { - tx_fwinfo->TxBandwidth = 0; - tx_fwinfo->TxSubCarrier = priv->nCur40MhzPrimeSC; - } - } else { - tx_fwinfo->TxBandwidth = 0; - tx_fwinfo->TxSubCarrier = 0; - } - - /* Fill Tx descriptor */ - memset(tx_desc, 0, sizeof(struct tx_desc_819x_usb)); - /* DWORD 0 */ - tx_desc->LINIP = 0; - tx_desc->CmdInit = 1; - tx_desc->Offset = sizeof(struct tx_fwinfo_819x_usb) + 8; - tx_desc->PktSize = (skb->len - TX_PACKET_SHIFT_BYTES) & 0xffff; - - /*DWORD 1*/ - tx_desc->SecCAMID = 0; - tx_desc->RATid = tcb_desc->RATRIndex; - tx_desc->NoEnc = 1; - tx_desc->SecType = 0x0; - if (tcb_desc->bHwSec) { - switch (priv->ieee80211->pairwise_key_type) { - case KEY_TYPE_WEP40: - case KEY_TYPE_WEP104: - tx_desc->SecType = 0x1; - tx_desc->NoEnc = 0; - break; - case KEY_TYPE_TKIP: - tx_desc->SecType = 0x2; - tx_desc->NoEnc = 0; - break; - case KEY_TYPE_CCMP: - tx_desc->SecType = 0x3; - tx_desc->NoEnc = 0; - break; - case KEY_TYPE_NA: - tx_desc->SecType = 0x0; - tx_desc->NoEnc = 1; - break; - } - } - - tx_desc->QueueSelect = MapHwQueueToFirmwareQueue(tcb_desc->queue_index); - tx_desc->TxFWInfoSize = sizeof(struct tx_fwinfo_819x_usb); - - tx_desc->DISFB = tcb_desc->bTxDisableRateFallBack; - tx_desc->USERATE = tcb_desc->bTxUseDriverAssingedRate; - - /* Fill fields that are required to be initialized in - * all of the descriptors - */ - /* DWORD 0 */ - tx_desc->FirstSeg = 1; - tx_desc->LastSeg = 1; - tx_desc->OWN = 1; - - /* DWORD 2 */ - tx_desc->TxBufferSize = (u32)(skb->len - USB_HWDESC_HEADER_LEN); - idx_pipe = 0x5; - - /* To submit bulk urb */ - usb_fill_bulk_urb(tx_urb, udev, - usb_sndbulkpipe(udev, idx_pipe), skb->data, - skb->len, rtl8192_tx_isr, skb); - - status = usb_submit_urb(tx_urb, GFP_ATOMIC); - if (!status) { - /* We need to send 0 byte packet whenever - * 512N bytes/64N(HIGN SPEED/NORMAL SPEED) bytes packet has - * been transmitted. Otherwise, it will be halt to wait for - * another packet. - */ - bool bSend0Byte = false; - u8 zero = 0; - - if (udev->speed == USB_SPEED_HIGH) { - if (skb->len > 0 && skb->len % 512 == 0) - bSend0Byte = true; - } else { - if (skb->len > 0 && skb->len % 64 == 0) - bSend0Byte = true; - } - if (bSend0Byte) { - tx_urb_zero = usb_alloc_urb(0, GFP_ATOMIC); - if (!tx_urb_zero) { - rt = -ENOMEM; - goto error; - } - usb_fill_bulk_urb(tx_urb_zero, udev, - usb_sndbulkpipe(udev, idx_pipe), - &zero, 0, tx_zero_isr, dev); - status = usb_submit_urb(tx_urb_zero, GFP_ATOMIC); - if (status) { - RT_TRACE(COMP_ERR, - "Error TX URB for zero byte %d, error %d", - atomic_read(&priv->tx_pending[tcb_desc->queue_index]), - status); - goto error; - } - } - netif_trans_update(dev); - atomic_inc(&priv->tx_pending[tcb_desc->queue_index]); - return 0; - } - - RT_TRACE(COMP_ERR, "Error TX URB %d, error %d", - atomic_read(&priv->tx_pending[tcb_desc->queue_index]), - status); - -error: - dev_kfree_skb_any(skb); - usb_free_urb(tx_urb); - usb_free_urb(tx_urb_zero); - return rt; -} - -static short rtl8192_usb_initendpoints(struct net_device *dev) -{ - struct r8192_priv *priv = ieee80211_priv(dev); - - priv->rx_urb = kmalloc_array(MAX_RX_URB + 1, sizeof(struct urb *), - GFP_KERNEL); - if (!priv->rx_urb) - return -ENOMEM; - -#ifndef JACKSON_NEW_RX - for (i = 0; i < (MAX_RX_URB + 1); i++) { - priv->rx_urb[i] = usb_alloc_urb(0, GFP_KERNEL); - if (!priv->rx_urb[i]) - return -ENOMEM; - - priv->rx_urb[i]->transfer_buffer = - kmalloc(RX_URB_SIZE, GFP_KERNEL); - if (!priv->rx_urb[i]->transfer_buffer) - return -ENOMEM; - - priv->rx_urb[i]->transfer_buffer_length = RX_URB_SIZE; - } -#endif - -#ifdef THOMAS_BEACON - { - long align = 0; - void *oldaddr, *newaddr; - - priv->rx_urb[16] = usb_alloc_urb(0, GFP_KERNEL); - if (!priv->rx_urb[16]) - return -ENOMEM; - priv->oldaddr = kmalloc(16, GFP_KERNEL); - if (!priv->oldaddr) - return -ENOMEM; - oldaddr = priv->oldaddr; - align = ((long)oldaddr) & 3; - if (align) { - newaddr = oldaddr + 4 - align; - priv->rx_urb[16]->transfer_buffer_length = 16 - 4 + align; - } else { - newaddr = oldaddr; - priv->rx_urb[16]->transfer_buffer_length = 16; - } - priv->rx_urb[16]->transfer_buffer = newaddr; - } -#endif - - memset(priv->rx_urb, 0, sizeof(struct urb *) * MAX_RX_URB); - priv->pp_rxskb = kcalloc(MAX_RX_URB, sizeof(struct sk_buff *), - GFP_KERNEL); - if (!priv->pp_rxskb) { - kfree(priv->rx_urb); - - priv->pp_rxskb = NULL; - priv->rx_urb = NULL; - - DMESGE("Endpoint Alloc Failure"); - return -ENOMEM; - } - - netdev_dbg(dev, "End of initendpoints\n"); - return 0; -} - -#ifdef THOMAS_BEACON -static void rtl8192_usb_deleteendpoints(struct net_device *dev) -{ - int i; - struct r8192_priv *priv = ieee80211_priv(dev); - - if (priv->rx_urb) { - for (i = 0; i < (MAX_RX_URB + 1); i++) { - usb_kill_urb(priv->rx_urb[i]); - usb_free_urb(priv->rx_urb[i]); - } - kfree(priv->rx_urb); - priv->rx_urb = NULL; - } - kfree(priv->oldaddr); - priv->oldaddr = NULL; - - kfree(priv->pp_rxskb); - priv->pp_rxskb = NULL; -} -#else -void rtl8192_usb_deleteendpoints(struct net_device *dev) -{ - int i; - struct r8192_priv *priv = ieee80211_priv(dev); - -#ifndef JACKSON_NEW_RX - - if (priv->rx_urb) { - for (i = 0; i < (MAX_RX_URB + 1); i++) { - usb_kill_urb(priv->rx_urb[i]); - kfree(priv->rx_urb[i]->transfer_buffer); - usb_free_urb(priv->rx_urb[i]); - } - kfree(priv->rx_urb); - priv->rx_urb = NULL; - } -#else - kfree(priv->rx_urb); - priv->rx_urb = NULL; - kfree(priv->oldaddr); - priv->oldaddr = NULL; - - kfree(priv->pp_rxskb); - priv->pp_rxskb = 0; - -#endif -} -#endif - -static void rtl8192_update_ratr_table(struct net_device *dev); -static void rtl8192_link_change(struct net_device *dev) -{ - struct r8192_priv *priv = ieee80211_priv(dev); - struct ieee80211_device *ieee = priv->ieee80211; - - if (ieee->state == IEEE80211_LINKED) { - rtl8192_net_update(dev); - rtl8192_update_ratr_table(dev); - /* Add this as in pure N mode, wep encryption will use software - * way, but there is no chance to set this as wep will not set - * group key in wext. - */ - if (ieee->pairwise_key_type == KEY_TYPE_WEP40 || - ieee->pairwise_key_type == KEY_TYPE_WEP104) - EnableHWSecurityConfig8192(dev); - } - /*update timing params*/ - if (ieee->iw_mode == IW_MODE_INFRA || ieee->iw_mode == IW_MODE_ADHOC) { - u32 reg = 0; - - read_nic_dword(dev, RCR, ®); - if (priv->ieee80211->state == IEEE80211_LINKED) - priv->ReceiveConfig = reg |= RCR_CBSSID; - else - priv->ReceiveConfig = reg &= ~RCR_CBSSID; - write_nic_dword(dev, RCR, reg); - } -} - -static const struct ieee80211_qos_parameters def_qos_parameters = { - {cpu_to_le16(3), cpu_to_le16(3), cpu_to_le16(3), cpu_to_le16(3)}, - {cpu_to_le16(7), cpu_to_le16(7), cpu_to_le16(7), cpu_to_le16(7)}, - {2, 2, 2, 2},/* aifs */ - {0, 0, 0, 0},/* flags */ - {0, 0, 0, 0} /* tx_op_limit */ -}; - -static void rtl8192_update_beacon(struct work_struct *work) -{ - struct r8192_priv *priv = container_of(work, struct r8192_priv, - update_beacon_wq.work); - struct net_device *dev = priv->ieee80211->dev; - struct ieee80211_device *ieee = priv->ieee80211; - struct ieee80211_network *net = &ieee->current_network; - - if (ieee->pHTInfo->bCurrentHTSupport) - HTUpdateSelfAndPeerSetting(ieee, net); - ieee->pHTInfo->bCurrentRT2RTLongSlotTime = - net->bssht.bdRT2RTLongSlotTime; - rtl8192_update_cap(dev, net->capability); -} - -/* - * background support to run QoS activate functionality - */ -static int WDCAPARA_ADD[] = {EDCAPARA_BE, EDCAPARA_BK, - EDCAPARA_VI, EDCAPARA_VO}; -static void rtl8192_qos_activate(struct work_struct *work) -{ - struct r8192_priv *priv = container_of(work, struct r8192_priv, - qos_activate); - struct net_device *dev = priv->ieee80211->dev; - struct ieee80211_qos_parameters *qos_parameters = - &priv->ieee80211->current_network.qos_data.parameters; - u8 mode = priv->ieee80211->current_network.mode; - u32 u1bAIFS; - u32 u4bAcParam; - u32 op_limit; - u32 cw_max; - u32 cw_min; - int i; - - mutex_lock(&priv->mutex); - if (priv->ieee80211->state != IEEE80211_LINKED) - goto success; - RT_TRACE(COMP_QOS, - "qos active process with associate response received\n"); - /* It better set slot time at first - * - * For we just support b/g mode at present, let the slot time at - * 9/20 selection - * - * update the ac parameter to related registers - */ - for (i = 0; i < QOS_QUEUE_NUM; i++) { - /* Mode G/A: slotTimeTimer = 9; Mode B: 20 */ - u1bAIFS = qos_parameters->aifs[i] * ((mode & (IEEE_G | IEEE_N_24G)) ? 9 : 20) + aSifsTime; - u1bAIFS <<= AC_PARAM_AIFS_OFFSET; - op_limit = (u32)le16_to_cpu(qos_parameters->tx_op_limit[i]); - op_limit <<= AC_PARAM_TXOP_LIMIT_OFFSET; - cw_max = (u32)le16_to_cpu(qos_parameters->cw_max[i]); - cw_max <<= AC_PARAM_ECW_MAX_OFFSET; - cw_min = (u32)le16_to_cpu(qos_parameters->cw_min[i]); - cw_min <<= AC_PARAM_ECW_MIN_OFFSET; - u4bAcParam = op_limit | cw_max | cw_min | u1bAIFS; - write_nic_dword(dev, WDCAPARA_ADD[i], u4bAcParam); - } - -success: - mutex_unlock(&priv->mutex); -} - -static int rtl8192_qos_handle_probe_response(struct r8192_priv *priv, - int active_network, - struct ieee80211_network *network) -{ - int ret = 0; - u32 size = sizeof(struct ieee80211_qos_parameters); - - if (priv->ieee80211->state != IEEE80211_LINKED) - return ret; - - if (priv->ieee80211->iw_mode != IW_MODE_INFRA) - return ret; - - if (network->flags & NETWORK_HAS_QOS_MASK) { - if (active_network && - (network->flags & NETWORK_HAS_QOS_PARAMETERS)) - network->qos_data.active = network->qos_data.supported; - - if ((network->qos_data.active == 1) && (active_network == 1) && - (network->flags & NETWORK_HAS_QOS_PARAMETERS) && - (network->qos_data.old_param_count != - network->qos_data.param_count)) { - network->qos_data.old_param_count = - network->qos_data.param_count; - schedule_work(&priv->qos_activate); - RT_TRACE(COMP_QOS, - "QoS parameters change call qos_activate\n"); - } - } else { - memcpy(&priv->ieee80211->current_network.qos_data.parameters, - &def_qos_parameters, size); - - if ((network->qos_data.active == 1) && (active_network == 1)) { - schedule_work(&priv->qos_activate); - RT_TRACE(COMP_QOS, - "QoS was disabled call qos_activate\n"); - } - network->qos_data.active = 0; - network->qos_data.supported = 0; - } - - return 0; -} - -/* handle and manage frame from beacon and probe response */ -static int rtl8192_handle_beacon(struct net_device *dev, - struct ieee80211_beacon *beacon, - struct ieee80211_network *network) -{ - struct r8192_priv *priv = ieee80211_priv(dev); - - rtl8192_qos_handle_probe_response(priv, 1, network); - schedule_delayed_work(&priv->update_beacon_wq, 0); - return 0; -} - -/* - * handling the beaconing responses. if we get different QoS setting - * off the network from the associated setting, adjust the QoS - * setting - */ -static int rtl8192_qos_association_resp(struct r8192_priv *priv, - struct ieee80211_network *network) -{ - unsigned long flags; - u32 size = sizeof(struct ieee80211_qos_parameters); - int set_qos_param = 0; - - if (!priv || !network) - return 0; - - if (priv->ieee80211->state != IEEE80211_LINKED) - return 0; - - if (priv->ieee80211->iw_mode != IW_MODE_INFRA) - return 0; - - spin_lock_irqsave(&priv->ieee80211->lock, flags); - if (network->flags & NETWORK_HAS_QOS_PARAMETERS) { - memcpy(&priv->ieee80211->current_network.qos_data.parameters, - &network->qos_data.parameters, - sizeof(struct ieee80211_qos_parameters)); - priv->ieee80211->current_network.qos_data.active = 1; - set_qos_param = 1; - /* update qos parameter for current network */ - priv->ieee80211->current_network.qos_data.old_param_count = - priv->ieee80211->current_network.qos_data.param_count; - priv->ieee80211->current_network.qos_data.param_count = - network->qos_data.param_count; - } else { - memcpy(&priv->ieee80211->current_network.qos_data.parameters, - &def_qos_parameters, size); - priv->ieee80211->current_network.qos_data.active = 0; - priv->ieee80211->current_network.qos_data.supported = 0; - set_qos_param = 1; - } - - spin_unlock_irqrestore(&priv->ieee80211->lock, flags); - - RT_TRACE(COMP_QOS, "%s: network->flags = %d,%d\n", __func__, - network->flags, - priv->ieee80211->current_network.qos_data.active); - if (set_qos_param == 1) - schedule_work(&priv->qos_activate); - - return 0; -} - -static int rtl8192_handle_assoc_response(struct net_device *dev, - struct ieee80211_assoc_response_frame *resp, - struct ieee80211_network *network) -{ - struct r8192_priv *priv = ieee80211_priv(dev); - - rtl8192_qos_association_resp(priv, network); - return 0; -} - -static void rtl8192_update_ratr_table(struct net_device *dev) -{ - struct r8192_priv *priv = ieee80211_priv(dev); - struct ieee80211_device *ieee = priv->ieee80211; - u8 *pMcsRate = ieee->dot11HTOperationalRateSet; - u32 ratr_value = 0; - u8 rate_index = 0; - - rtl8192_config_rate(dev, (u16 *)(&ratr_value)); - ratr_value |= (*(u16 *)(pMcsRate)) << 12; - switch (ieee->mode) { - case IEEE_A: - ratr_value &= 0x00000FF0; - break; - case IEEE_B: - ratr_value &= 0x0000000F; - break; - case IEEE_G: - ratr_value &= 0x00000FF7; - break; - case IEEE_N_24G: - case IEEE_N_5G: - if (ieee->pHTInfo->PeerMimoPs == MIMO_PS_STATIC) { - ratr_value &= 0x0007F007; - } else { - if (priv->rf_type == RF_1T2R) - ratr_value &= 0x000FF007; - else - ratr_value &= 0x0F81F007; - } - break; - default: - break; - } - ratr_value &= 0x0FFFFFFF; - if (ieee->pHTInfo->bCurTxBW40MHz && ieee->pHTInfo->bCurShortGI40MHz) - ratr_value |= 0x80000000; - else if (!ieee->pHTInfo->bCurTxBW40MHz && - ieee->pHTInfo->bCurShortGI20MHz) - ratr_value |= 0x80000000; - write_nic_dword(dev, RATR0 + rate_index * 4, ratr_value); - write_nic_byte(dev, UFWP, 1); -} - -static u8 ccmp_ie[4] = {0x00, 0x50, 0xf2, 0x04}; -static u8 ccmp_rsn_ie[4] = {0x00, 0x0f, 0xac, 0x04}; -static bool GetNmodeSupportBySecCfg8192(struct net_device *dev) -{ - struct r8192_priv *priv = ieee80211_priv(dev); - struct ieee80211_device *ieee = priv->ieee80211; - struct ieee80211_network *network = &ieee->current_network; - int wpa_ie_len = ieee->wpa_ie_len; - struct ieee80211_crypt_data *crypt; - int encrypt; - - crypt = ieee->crypt[ieee->tx_keyidx]; - /* we use connecting AP's capability instead of only security config - * on our driver to distinguish whether it should use N mode or G mode - */ - encrypt = (network->capability & WLAN_CAPABILITY_PRIVACY) || - (ieee->host_encrypt && crypt && crypt->ops && - (strcmp(crypt->ops->name, "WEP") == 0)); - - /* simply judge */ - if (encrypt && (wpa_ie_len == 0)) { - /* wep encryption, no N mode setting */ - return false; - } else if ((wpa_ie_len != 0)) { - /* parse pairwise key type */ - if (((ieee->wpa_ie[0] == 0xdd) && (!memcmp(&(ieee->wpa_ie[14]), ccmp_ie, 4))) || ((ieee->wpa_ie[0] == 0x30) && (!memcmp(&ieee->wpa_ie[10], ccmp_rsn_ie, 4)))) - return true; - else - return false; - } else { - return true; - } - - return true; -} - -static bool GetHalfNmodeSupportByAPs819xUsb(struct net_device *dev) -{ - struct r8192_priv *priv = ieee80211_priv(dev); - - return priv->ieee80211->bHalfWirelessN24GMode; -} - -static void rtl8192_refresh_supportrate(struct r8192_priv *priv) -{ - struct ieee80211_device *ieee = priv->ieee80211; - /* We do not consider set support rate for ABG mode, only - * HT MCS rate is set here. - */ - if (ieee->mode == WIRELESS_MODE_N_24G || - ieee->mode == WIRELESS_MODE_N_5G) - memcpy(ieee->Regdot11HTOperationalRateSet, - ieee->RegHTSuppRateSet, 16); - else - memset(ieee->Regdot11HTOperationalRateSet, 0, 16); -} - -static u8 rtl8192_getSupportedWireleeMode(struct net_device *dev) -{ - struct r8192_priv *priv = ieee80211_priv(dev); - u8 ret = 0; - - switch (priv->rf_chip) { - case RF_8225: - case RF_8256: - case RF_PSEUDO_11N: - ret = WIRELESS_MODE_N_24G | WIRELESS_MODE_G | WIRELESS_MODE_B; - break; - case RF_8258: - ret = WIRELESS_MODE_A | WIRELESS_MODE_N_5G; - break; - default: - ret = WIRELESS_MODE_B; - break; - } - return ret; -} - -static void rtl8192_SetWirelessMode(struct net_device *dev, u8 wireless_mode) -{ - struct r8192_priv *priv = ieee80211_priv(dev); - u8 bSupportMode = rtl8192_getSupportedWireleeMode(dev); - - if (wireless_mode == WIRELESS_MODE_AUTO || - (wireless_mode & bSupportMode) == 0) { - if (bSupportMode & WIRELESS_MODE_N_24G) { - wireless_mode = WIRELESS_MODE_N_24G; - } else if (bSupportMode & WIRELESS_MODE_N_5G) { - wireless_mode = WIRELESS_MODE_N_5G; - } else if ((bSupportMode & WIRELESS_MODE_A)) { - wireless_mode = WIRELESS_MODE_A; - } else if ((bSupportMode & WIRELESS_MODE_G)) { - wireless_mode = WIRELESS_MODE_G; - } else if ((bSupportMode & WIRELESS_MODE_B)) { - wireless_mode = WIRELESS_MODE_B; - } else { - RT_TRACE(COMP_ERR, - "%s(), No valid wireless mode supported, SupportedWirelessMode(%x)!!!\n", - __func__, bSupportMode); - wireless_mode = WIRELESS_MODE_B; - } - } - priv->ieee80211->mode = wireless_mode; - - if (wireless_mode == WIRELESS_MODE_N_24G || - wireless_mode == WIRELESS_MODE_N_5G) - priv->ieee80211->pHTInfo->bEnableHT = 1; - else - priv->ieee80211->pHTInfo->bEnableHT = 0; - RT_TRACE(COMP_INIT, "Current Wireless Mode is %x\n", wireless_mode); - rtl8192_refresh_supportrate(priv); -} - -/* init priv variables here. only non_zero value should be initialized here. */ -static int rtl8192_init_priv_variable(struct net_device *dev) -{ - struct r8192_priv *priv = ieee80211_priv(dev); - u8 i; - - priv->card_8192 = NIC_8192U; - priv->chan = 1; /* set to channel 1 */ - priv->ieee80211->mode = WIRELESS_MODE_AUTO; /* SET AUTO */ - priv->ieee80211->iw_mode = IW_MODE_INFRA; - priv->ieee80211->ieee_up = 0; - priv->retry_rts = DEFAULT_RETRY_RTS; - priv->retry_data = DEFAULT_RETRY_DATA; - priv->ieee80211->rts = DEFAULT_RTS_THRESHOLD; - priv->ieee80211->rate = 110; /* 11 mbps */ - priv->ieee80211->short_slot = 1; - priv->promisc = (dev->flags & IFF_PROMISC) ? 1 : 0; - priv->CckPwEnl = 6; - /* for silent reset */ - priv->IrpPendingCount = 1; - priv->ResetProgress = RESET_TYPE_NORESET; - priv->bForcedSilentReset = false; - priv->bDisableNormalResetCheck = false; - priv->force_reset = false; - - /* we don't use FW read/write RF until stable firmware is available. */ - priv->ieee80211->FwRWRF = 0; - priv->ieee80211->current_network.beacon_interval = - DEFAULT_BEACONINTERVAL; - priv->ieee80211->softmac_features = IEEE_SOFTMAC_SCAN | - IEEE_SOFTMAC_ASSOCIATE | IEEE_SOFTMAC_PROBERQ | - IEEE_SOFTMAC_PROBERS | IEEE_SOFTMAC_TX_QUEUE | - IEEE_SOFTMAC_BEACONS; - - priv->ieee80211->active_scan = 1; - priv->ieee80211->modulation = - IEEE80211_CCK_MODULATION | IEEE80211_OFDM_MODULATION; - priv->ieee80211->host_encrypt = 1; - priv->ieee80211->host_decrypt = 1; - priv->ieee80211->start_send_beacons = NULL; - priv->ieee80211->stop_send_beacons = NULL; - priv->ieee80211->softmac_hard_start_xmit = rtl8192_hard_start_xmit; - priv->ieee80211->set_chan = rtl8192_set_chan; - priv->ieee80211->link_change = rtl8192_link_change; - priv->ieee80211->softmac_data_hard_start_xmit = rtl8192_hard_data_xmit; - priv->ieee80211->data_hard_stop = rtl8192_data_hard_stop; - priv->ieee80211->data_hard_resume = rtl8192_data_hard_resume; - priv->ieee80211->init_wmmparam_flag = 0; - priv->ieee80211->fts = DEFAULT_FRAG_THRESHOLD; - priv->ieee80211->check_nic_enough_desc = check_nic_enough_desc; - priv->ieee80211->tx_headroom = TX_PACKET_SHIFT_BYTES; - priv->ieee80211->qos_support = 1; - - priv->ieee80211->SetBWModeHandler = rtl8192_SetBWMode; - priv->ieee80211->handle_assoc_response = rtl8192_handle_assoc_response; - priv->ieee80211->handle_beacon = rtl8192_handle_beacon; - - priv->ieee80211->GetNmodeSupportBySecCfg = GetNmodeSupportBySecCfg8192; - priv->ieee80211->GetHalfNmodeSupportByAPsHandler = - GetHalfNmodeSupportByAPs819xUsb; - priv->ieee80211->SetWirelessMode = rtl8192_SetWirelessMode; - - priv->ieee80211->InitialGainHandler = InitialGain819xUsb; - priv->card_type = USB; - priv->ShortRetryLimit = 0x30; - priv->LongRetryLimit = 0x30; - priv->EarlyRxThreshold = 7; - priv->enable_gpio0 = 0; - priv->TransmitConfig = - /* Max DMA Burst Size per Tx DMA Burst, 7: reserved. */ - (TCR_MXDMA_2048 << TCR_MXDMA_OFFSET) | - /* Short retry limit */ - (priv->ShortRetryLimit << TCR_SRL_OFFSET) | - /* Long retry limit */ - (priv->LongRetryLimit << TCR_LRL_OFFSET) | - /* FALSE: HW provides PLCP length and LENGEXT - * TRUE: SW provides them - */ - (false ? TCR_SAT : 0); - priv->ReceiveConfig = - /* accept management/data */ - RCR_AMF | RCR_ADF | - /* accept control frame for SW AP needs PS-poll */ - RCR_ACF | - /* accept BC/MC/UC */ - RCR_AB | RCR_AM | RCR_APM | - /* Max DMA Burst Size per Rx DMA Burst, 7: unlimited. */ - ((u32)7 << RCR_MXDMA_OFFSET) | - /* Rx FIFO Threshold, 7: No Rx threshold. */ - (priv->EarlyRxThreshold << RX_FIFO_THRESHOLD_SHIFT) | - (priv->EarlyRxThreshold == 7 ? RCR_ONLYERLPKT : 0); - - priv->AcmControl = 0; - priv->pFirmware = kzalloc(sizeof(rt_firmware), GFP_KERNEL); - if (!priv->pFirmware) - return -ENOMEM; - - /* rx related queue */ - skb_queue_head_init(&priv->rx_queue); - skb_queue_head_init(&priv->skb_queue); - - /* Tx related queue */ - for (i = 0; i < MAX_QUEUE_SIZE; i++) - skb_queue_head_init(&priv->ieee80211->skb_waitQ[i]); - for (i = 0; i < MAX_QUEUE_SIZE; i++) - skb_queue_head_init(&priv->ieee80211->skb_aggQ[i]); - for (i = 0; i < MAX_QUEUE_SIZE; i++) - skb_queue_head_init(&priv->ieee80211->skb_drv_aggQ[i]); - priv->rf_set_chan = rtl8192_phy_SwChnl; - - return 0; -} - -/* init lock here */ -static void rtl8192_init_priv_lock(struct r8192_priv *priv) -{ - spin_lock_init(&priv->tx_lock); - spin_lock_init(&priv->irq_lock); - mutex_init(&priv->wx_mutex); - mutex_init(&priv->mutex); -} - -static void rtl819x_watchdog_wqcallback(struct work_struct *work); - -static void rtl8192_irq_rx_tasklet(struct tasklet_struct *t); -/* init tasklet and wait_queue here. only 2.6 above kernel is considered */ -#define DRV_NAME "wlan0" -static void rtl8192_init_priv_task(struct net_device *dev) -{ - struct r8192_priv *priv = ieee80211_priv(dev); - - INIT_WORK(&priv->reset_wq, rtl8192_restart); - - INIT_DELAYED_WORK(&priv->watch_dog_wq, - rtl819x_watchdog_wqcallback); - INIT_DELAYED_WORK(&priv->txpower_tracking_wq, - dm_txpower_trackingcallback); - INIT_DELAYED_WORK(&priv->rfpath_check_wq, - dm_rf_pathcheck_workitemcallback); - INIT_DELAYED_WORK(&priv->update_beacon_wq, - rtl8192_update_beacon); - INIT_DELAYED_WORK(&priv->initialgain_operate_wq, - InitialGainOperateWorkItemCallBack); - INIT_WORK(&priv->qos_activate, rtl8192_qos_activate); - - tasklet_setup(&priv->irq_rx_tasklet, rtl8192_irq_rx_tasklet); -} - -static void rtl8192_get_eeprom_size(struct net_device *dev) -{ - u16 curCR = 0; - struct r8192_priv *priv = ieee80211_priv(dev); - - RT_TRACE(COMP_EPROM, "===========>%s()\n", __func__); - read_nic_word_E(dev, EPROM_CMD, &curCR); - RT_TRACE(COMP_EPROM, - "read from Reg EPROM_CMD(%x):%x\n", EPROM_CMD, curCR); - /* whether need I consider BIT(5?) */ - priv->epromtype = - (curCR & Cmd9346CR_9356SEL) ? EPROM_93c56 : EPROM_93c46; - RT_TRACE(COMP_EPROM, - "<===========%s(), epromtype:%d\n", __func__, priv->epromtype); -} - -/* used to swap endian. as ntohl & htonl are not necessary - * to swap endian, so use this instead. - */ -static inline u16 endian_swap(u16 *data) -{ - u16 tmp = *data; - *data = (tmp >> 8) | (tmp << 8); - return *data; -} - -static int rtl8192_read_eeprom_info(struct net_device *dev) -{ - u16 wEPROM_ID = 0; - u8 bMac_Tmp_Addr[6] = {0x00, 0xe0, 0x4c, 0x00, 0x00, 0x02}; - u8 bLoad_From_EEPOM = false; - struct r8192_priv *priv = ieee80211_priv(dev); - u16 tmpValue = 0; - int i; - int ret; - - RT_TRACE(COMP_EPROM, "===========>%s()\n", __func__); - ret = eprom_read(dev, 0); /* first read EEPROM ID out; */ - if (ret < 0) - return ret; - wEPROM_ID = (u16)ret; - RT_TRACE(COMP_EPROM, "EEPROM ID is 0x%x\n", wEPROM_ID); - - if (wEPROM_ID != RTL8190_EEPROM_ID) - RT_TRACE(COMP_ERR, - "EEPROM ID is invalid(is 0x%x(should be 0x%x)\n", - wEPROM_ID, RTL8190_EEPROM_ID); - else - bLoad_From_EEPOM = true; - - if (bLoad_From_EEPOM) { - tmpValue = eprom_read(dev, EEPROM_VID >> 1); - ret = eprom_read(dev, EEPROM_VID >> 1); - if (ret < 0) - return ret; - tmpValue = (u16)ret; - priv->eeprom_vid = endian_swap(&tmpValue); - ret = eprom_read(dev, EEPROM_PID >> 1); - if (ret < 0) - return ret; - priv->eeprom_pid = (u16)ret; - ret = eprom_read(dev, EEPROM_CHANNEL_PLAN >> 1); - if (ret < 0) - return ret; - tmpValue = (u16)ret; - priv->eeprom_ChannelPlan = (tmpValue & 0xff00) >> 8; - priv->btxpowerdata_readfromEEPORM = true; - ret = eprom_read(dev, (EEPROM_CUSTOMER_ID >> 1)) >> 8; - if (ret < 0) - return ret; - priv->eeprom_CustomerID = (u16)ret; - } else { - priv->eeprom_vid = 0; - priv->eeprom_pid = 0; - priv->card_8192_version = VERSION_819XU_B; - priv->eeprom_ChannelPlan = 0; - priv->eeprom_CustomerID = 0; - } - RT_TRACE(COMP_EPROM, - "vid:0x%4x, pid:0x%4x, CustomID:0x%2x, ChanPlan:0x%x\n", - priv->eeprom_vid, priv->eeprom_pid, priv->eeprom_CustomerID, - priv->eeprom_ChannelPlan); - /* set channelplan from eeprom */ - priv->ChannelPlan = priv->eeprom_ChannelPlan; - if (bLoad_From_EEPOM) { - u8 addr[ETH_ALEN]; - - for (i = 0; i < 6; i += 2) { - ret = eprom_read(dev, (u16)((EEPROM_NODE_ADDRESS_BYTE_0 + i) >> 1)); - if (ret < 0) - return ret; - *(u16 *)(&addr[i]) = (u16)ret; - } - eth_hw_addr_set(dev, addr); - } else { - eth_hw_addr_set(dev, bMac_Tmp_Addr); - /* should I set IDR0 here? */ - } - RT_TRACE(COMP_EPROM, "MAC addr:%pM\n", dev->dev_addr); - priv->rf_type = RTL819X_DEFAULT_RF_TYPE; /* default 1T2R */ - priv->rf_chip = RF_8256; - - if (priv->card_8192_version == VERSION_819XU_A) { - /* read Tx power gain offset of legacy OFDM to HT rate */ - if (bLoad_From_EEPOM) { - ret = eprom_read(dev, (EEPROM_TX_POWER_DIFF >> 1)); - if (ret < 0) - return ret; - priv->EEPROMTxPowerDiff = ((u16)ret & 0xff00) >> 8; - } else - priv->EEPROMTxPowerDiff = EEPROM_DEFAULT_TX_POWER; - RT_TRACE(COMP_EPROM, "TxPowerDiff:%d\n", priv->EEPROMTxPowerDiff); - /* read ThermalMeter from EEPROM */ - if (bLoad_From_EEPOM) { - ret = eprom_read(dev, (EEPROM_THERMAL_METER >> 1)); - if (ret < 0) - return ret; - priv->EEPROMThermalMeter = (u8)((u16)ret & 0x00ff); - } else - priv->EEPROMThermalMeter = EEPROM_DEFAULT_THERNAL_METER; - RT_TRACE(COMP_EPROM, "ThermalMeter:%d\n", priv->EEPROMThermalMeter); - /* for tx power track */ - priv->TSSI_13dBm = priv->EEPROMThermalMeter * 100; - /* read antenna tx power offset of B/C/D to A from EEPROM */ - if (bLoad_From_EEPOM) { - ret = eprom_read(dev, (EEPROM_PW_DIFF >> 1)); - if (ret < 0) - return ret; - priv->EEPROMPwDiff = ((u16)ret & 0x0f00) >> 8; - } else - priv->EEPROMPwDiff = EEPROM_DEFAULT_PW_DIFF; - RT_TRACE(COMP_EPROM, "TxPwDiff:%d\n", priv->EEPROMPwDiff); - /* Read CrystalCap from EEPROM */ - if (bLoad_From_EEPOM) { - ret = eprom_read(dev, (EEPROM_CRYSTAL_CAP >> 1)); - if (ret < 0) - return ret; - priv->EEPROMCrystalCap = (u16)ret & 0x0f; - } else - priv->EEPROMCrystalCap = EEPROM_DEFAULT_CRYSTAL_CAP; - RT_TRACE(COMP_EPROM, "CrystalCap = %d\n", priv->EEPROMCrystalCap); - /* get per-channel Tx power level */ - if (bLoad_From_EEPOM) { - ret = eprom_read(dev, (EEPROM_TX_PW_INDEX_VER >> 1)); - if (ret < 0) - return ret; - priv->EEPROM_Def_Ver = ((u16)ret & 0xff00) >> 8; - } else - priv->EEPROM_Def_Ver = 1; - RT_TRACE(COMP_EPROM, "EEPROM_DEF_VER:%d\n", priv->EEPROM_Def_Ver); - if (priv->EEPROM_Def_Ver == 0) { /* old eeprom definition */ - if (bLoad_From_EEPOM) { - ret = eprom_read(dev, (EEPROM_TX_PW_INDEX_CCK >> 1)); - if (ret < 0) - return ret; - priv->EEPROMTxPowerLevelCCK = ((u16)ret & 0xff00) >> 8; - } else - priv->EEPROMTxPowerLevelCCK = 0x10; - RT_TRACE(COMP_EPROM, "CCK Tx Power Levl: 0x%02x\n", priv->EEPROMTxPowerLevelCCK); - for (i = 0; i < 3; i++) { - if (bLoad_From_EEPOM) { - ret = eprom_read(dev, (EEPROM_TX_PW_INDEX_OFDM_24G + i) >> 1); - if (ret < 0) - return ret; - if (((EEPROM_TX_PW_INDEX_OFDM_24G + i) % 2) == 0) - tmpValue = (u16)ret & 0x00ff; - else - tmpValue = ((u16)ret & 0xff00) >> 8; - } else { - tmpValue = 0x10; - } - priv->EEPROMTxPowerLevelOFDM24G[i] = (u8)tmpValue; - RT_TRACE(COMP_EPROM, "OFDM 2.4G Tx Power Level, Index %d = 0x%02x\n", i, priv->EEPROMTxPowerLevelCCK); - } - } else if (priv->EEPROM_Def_Ver == 1) { - if (bLoad_From_EEPOM) { - ret = eprom_read(dev, EEPROM_TX_PW_INDEX_CCK_V1 >> 1); - if (ret < 0) - return ret; - tmpValue = ((u16)ret & 0xff00) >> 8; - } else { - tmpValue = 0x10; - } - priv->EEPROMTxPowerLevelCCK_V1[0] = (u8)tmpValue; - - if (bLoad_From_EEPOM) { - ret = eprom_read(dev, (EEPROM_TX_PW_INDEX_CCK_V1 + 2) >> 1); - if (ret < 0) - return ret; - tmpValue = (u16)ret; - } else - tmpValue = 0x1010; - *((u16 *)(&priv->EEPROMTxPowerLevelCCK_V1[1])) = tmpValue; - if (bLoad_From_EEPOM) - tmpValue = eprom_read(dev, - EEPROM_TX_PW_INDEX_OFDM_24G_V1 >> 1); - else - tmpValue = 0x1010; - *((u16 *)(&priv->EEPROMTxPowerLevelOFDM24G[0])) = tmpValue; - if (bLoad_From_EEPOM) - tmpValue = eprom_read(dev, (EEPROM_TX_PW_INDEX_OFDM_24G_V1 + 2) >> 1); - else - tmpValue = 0x10; - priv->EEPROMTxPowerLevelOFDM24G[2] = (u8)tmpValue; - } /* endif EEPROM_Def_Ver == 1 */ - - /* update HAL variables */ - for (i = 0; i < 14; i++) { - if (i <= 3) - priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[0]; - else if (i >= 4 && i <= 9) - priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[1]; - else - priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[2]; - } - - for (i = 0; i < 14; i++) { - if (priv->EEPROM_Def_Ver == 0) { - if (i <= 3) - priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelOFDM24G[0] + (priv->EEPROMTxPowerLevelCCK - priv->EEPROMTxPowerLevelOFDM24G[1]); - else if (i >= 4 && i <= 9) - priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK; - else - priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelOFDM24G[2] + (priv->EEPROMTxPowerLevelCCK - priv->EEPROMTxPowerLevelOFDM24G[1]); - } else if (priv->EEPROM_Def_Ver == 1) { - if (i <= 3) - priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[0]; - else if (i >= 4 && i <= 9) - priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[1]; - else - priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[2]; - } - } - priv->TxPowerDiff = priv->EEPROMPwDiff; - /* Antenna B gain offset to antenna A, bit0~3 */ - priv->AntennaTxPwDiff[0] = (priv->EEPROMTxPowerDiff & 0xf); - /* Antenna C gain offset to antenna A, bit4~7 */ - priv->AntennaTxPwDiff[1] = - (priv->EEPROMTxPowerDiff & 0xf0) >> 4; - /* CrystalCap, bit12~15 */ - priv->CrystalCap = priv->EEPROMCrystalCap; - /* ThermalMeter, bit0~3 for RFIC1, bit4~7 for RFIC2 - * 92U does not enable TX power tracking. - */ - priv->ThermalMeter[0] = priv->EEPROMThermalMeter; - } /* end if VersionID == VERSION_819XU_A */ - - /* for dlink led */ - switch (priv->eeprom_CustomerID) { - case EEPROM_CID_RUNTOP: - priv->CustomerID = RT_CID_819x_RUNTOP; - break; - - case EEPROM_CID_DLINK: - priv->CustomerID = RT_CID_DLINK; - break; - - default: - priv->CustomerID = RT_CID_DEFAULT; - break; - } - - switch (priv->CustomerID) { - case RT_CID_819x_RUNTOP: - priv->LedStrategy = SW_LED_MODE2; - break; - - case RT_CID_DLINK: - priv->LedStrategy = SW_LED_MODE4; - break; - - default: - priv->LedStrategy = SW_LED_MODE0; - break; - } - - if (priv->rf_type == RF_1T2R) - RT_TRACE(COMP_EPROM, "\n1T2R config\n"); - else - RT_TRACE(COMP_EPROM, "\n2T4R config\n"); - - /* We can only know RF type in the function. So we have to init - * DIG RATR table again. - */ - init_rate_adaptive(dev); - - RT_TRACE(COMP_EPROM, "<===========%s()\n", __func__); - - return 0; -} - -static short rtl8192_get_channel_map(struct net_device *dev) -{ - struct r8192_priv *priv = ieee80211_priv(dev); - - if (priv->ChannelPlan > COUNTRY_CODE_GLOBAL_DOMAIN) { - netdev_err(dev, - "rtl8180_init: Error channel plan! Set to default.\n"); - priv->ChannelPlan = 0; - } - RT_TRACE(COMP_INIT, "Channel plan is %d\n", priv->ChannelPlan); - - rtl819x_set_channel_map(priv->ChannelPlan, priv); - return 0; -} - -static short rtl8192_init(struct net_device *dev) -{ - struct r8192_priv *priv = ieee80211_priv(dev); - int err; - - memset(&(priv->stats), 0, sizeof(struct Stats)); - memset(priv->txqueue_to_outpipemap, 0, 9); -#ifdef PIPE12 - { - int i = 0; - static const u8 queuetopipe[] = {3, 2, 1, 0, 4, 8, 7, 6, 5}; - - memcpy(priv->txqueue_to_outpipemap, queuetopipe, 9); - } -#else - { - static const u8 queuetopipe[] = {3, 2, 1, 0, 4, 4, 0, 4, 4}; - - memcpy(priv->txqueue_to_outpipemap, queuetopipe, 9); - } -#endif - err = rtl8192_init_priv_variable(dev); - if (err) - return err; - - rtl8192_init_priv_lock(priv); - rtl8192_init_priv_task(dev); - rtl8192_get_eeprom_size(dev); - err = rtl8192_read_eeprom_info(dev); - if (err) { - DMESG("Reading EEPROM info failed"); - return err; - } - rtl8192_get_channel_map(dev); - init_hal_dm(dev); - timer_setup(&priv->watch_dog_timer, watch_dog_timer_callback, 0); - if (rtl8192_usb_initendpoints(dev) != 0) { - DMESG("Endopoints initialization failed"); - return -ENOMEM; - } - - return 0; -} - -/****************************************************************************** - *function: This function actually only set RRSR, RATR and BW_OPMODE registers - * not to do all the hw config as its name says - * input: net_device dev - * output: none - * return: none - * notice: This part need to modified according to the rate set we filtered - * ****************************************************************************/ -static void rtl8192_hwconfig(struct net_device *dev) -{ - u32 regRATR = 0, regRRSR = 0; - u8 regBwOpMode = 0, regTmp = 0; - struct r8192_priv *priv = ieee80211_priv(dev); - u32 ratr_value = 0; - - /* Set RRSR, RATR, and BW_OPMODE registers */ - switch (priv->ieee80211->mode) { - case WIRELESS_MODE_B: - regBwOpMode = BW_OPMODE_20MHZ; - regRATR = RATE_ALL_CCK; - regRRSR = RATE_ALL_CCK; - break; - case WIRELESS_MODE_A: - regBwOpMode = BW_OPMODE_5G | BW_OPMODE_20MHZ; - regRATR = RATE_ALL_OFDM_AG; - regRRSR = RATE_ALL_OFDM_AG; - break; - case WIRELESS_MODE_G: - regBwOpMode = BW_OPMODE_20MHZ; - regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG; - regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG; - break; - case WIRELESS_MODE_AUTO: - regBwOpMode = BW_OPMODE_20MHZ; - regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG | - RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS; - regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG; - break; - case WIRELESS_MODE_N_24G: - /* It support CCK rate by default. CCK rate will be filtered - * out only when associated AP does not support it. - */ - regBwOpMode = BW_OPMODE_20MHZ; - regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG | - RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS; - regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG; - break; - case WIRELESS_MODE_N_5G: - regBwOpMode = BW_OPMODE_5G; - regRATR = RATE_ALL_OFDM_AG | RATE_ALL_OFDM_1SS | - RATE_ALL_OFDM_2SS; - regRRSR = RATE_ALL_OFDM_AG; - break; - } - - write_nic_byte(dev, BW_OPMODE, regBwOpMode); - ratr_value = regRATR; - if (priv->rf_type == RF_1T2R) - ratr_value &= ~(RATE_ALL_OFDM_2SS); - write_nic_dword(dev, RATR0, ratr_value); - write_nic_byte(dev, UFWP, 1); - read_nic_byte(dev, 0x313, ®Tmp); - regRRSR = ((regTmp) << 24) | (regRRSR & 0x00ffffff); - write_nic_dword(dev, RRSR, regRRSR); - - /* Set Retry Limit here */ - write_nic_word(dev, RETRY_LIMIT, - priv->ShortRetryLimit << RETRY_LIMIT_SHORT_SHIFT | - priv->LongRetryLimit << RETRY_LIMIT_LONG_SHIFT); - /* Set Contention Window here */ - - /* Set Tx AGC */ - - /* Set Tx Antenna including Feedback control */ - - /* Set Auto Rate fallback control */ -} - -/* InitializeAdapter and PhyCfg */ -static bool rtl8192_adapter_start(struct net_device *dev) -{ - struct r8192_priv *priv = ieee80211_priv(dev); - u32 dwRegRead = 0; - bool init_status = true; - u8 SECR_value = 0x0; - u8 tmp; - - RT_TRACE(COMP_INIT, "====>%s()\n", __func__); - priv->Rf_Mode = RF_OP_By_SW_3wire; - /* for ASIC power on sequence */ - write_nic_byte_E(dev, 0x5f, 0x80); - mdelay(50); - write_nic_byte_E(dev, 0x5f, 0xf0); - write_nic_byte_E(dev, 0x5d, 0x00); - write_nic_byte_E(dev, 0x5e, 0x80); - write_nic_byte(dev, 0x17, 0x37); - mdelay(10); - priv->pFirmware->firmware_status = FW_STATUS_0_INIT; - /* config CPUReset Register */ - /* Firmware Reset or not? */ - read_nic_dword(dev, CPU_GEN, &dwRegRead); - dwRegRead |= CPU_GEN_SYSTEM_RESET; /* do nothing here? */ - - write_nic_dword(dev, CPU_GEN, dwRegRead); - /* config BB. */ - rtl8192_BBConfig(dev); - - /* Loopback mode or not */ - priv->LoopbackMode = RTL819xU_NO_LOOPBACK; - - read_nic_dword(dev, CPU_GEN, &dwRegRead); - if (priv->LoopbackMode == RTL819xU_NO_LOOPBACK) - dwRegRead = (dwRegRead & CPU_GEN_NO_LOOPBACK_MSK) | - CPU_GEN_NO_LOOPBACK_SET; - else if (priv->LoopbackMode == RTL819xU_MAC_LOOPBACK) - dwRegRead |= CPU_CCK_LOOPBACK; - else - RT_TRACE(COMP_ERR, - "Serious error in %s(): wrong loopback mode setting(%d)\n", - __func__, priv->LoopbackMode); - - write_nic_dword(dev, CPU_GEN, dwRegRead); - - /* after reset cpu, we need wait for a seconds to write in register. */ - udelay(500); - - /* add for new bitfile:usb suspend reset pin set to 1. Do we need? */ - read_nic_byte_E(dev, 0x5f, &tmp); - write_nic_byte_E(dev, 0x5f, tmp | 0x20); - - /* Set Hardware */ - rtl8192_hwconfig(dev); - - /* turn on Tx/Rx */ - write_nic_byte(dev, CMDR, CR_RE | CR_TE); - - /* set IDR0 here */ - write_nic_dword(dev, MAC0, ((u32 *)dev->dev_addr)[0]); - write_nic_word(dev, MAC4, ((u16 *)(dev->dev_addr + 4))[0]); - - /* set RCR */ - write_nic_dword(dev, RCR, priv->ReceiveConfig); - - /* Initialize Number of Reserved Pages in Firmware Queue */ - write_nic_dword(dev, RQPN1, - NUM_OF_PAGE_IN_FW_QUEUE_BK << RSVD_FW_QUEUE_PAGE_BK_SHIFT | - NUM_OF_PAGE_IN_FW_QUEUE_BE << RSVD_FW_QUEUE_PAGE_BE_SHIFT | - NUM_OF_PAGE_IN_FW_QUEUE_VI << RSVD_FW_QUEUE_PAGE_VI_SHIFT | - NUM_OF_PAGE_IN_FW_QUEUE_VO << RSVD_FW_QUEUE_PAGE_VO_SHIFT); - write_nic_dword(dev, RQPN2, - NUM_OF_PAGE_IN_FW_QUEUE_MGNT << RSVD_FW_QUEUE_PAGE_MGNT_SHIFT | - NUM_OF_PAGE_IN_FW_QUEUE_CMD << RSVD_FW_QUEUE_PAGE_CMD_SHIFT); - write_nic_dword(dev, RQPN3, - APPLIED_RESERVED_QUEUE_IN_FW | - NUM_OF_PAGE_IN_FW_QUEUE_BCN << RSVD_FW_QUEUE_PAGE_BCN_SHIFT); - write_nic_dword(dev, RATR0 + 4 * 7, (RATE_ALL_OFDM_AG | RATE_ALL_CCK)); - - /* Set AckTimeout */ - /* TODO: (it value is only for FPGA version). need to be changed!! */ - write_nic_byte(dev, ACK_TIMEOUT, 0x30); - - if (priv->ResetProgress == RESET_TYPE_NORESET) - rtl8192_SetWirelessMode(dev, priv->ieee80211->mode); - if (priv->ResetProgress == RESET_TYPE_NORESET) { - CamResetAllEntry(dev); - SECR_value |= SCR_TxEncEnable; - SECR_value |= SCR_RxDecEnable; - SECR_value |= SCR_NoSKMC; - write_nic_byte(dev, SECR, SECR_value); - } - - /* Beacon related */ - write_nic_word(dev, ATIMWND, 2); - write_nic_word(dev, BCN_INTERVAL, 100); - -#define DEFAULT_EDCA 0x005e4332 - { - int i; - - for (i = 0; i < QOS_QUEUE_NUM; i++) - write_nic_dword(dev, WDCAPARA_ADD[i], DEFAULT_EDCA); - } - - rtl8192_phy_configmac(dev); - - if (priv->card_8192_version == VERSION_819XU_A) { - rtl8192_phy_getTxPower(dev); - rtl8192_phy_setTxPower(dev, priv->chan); - } - - /* Firmware download */ - init_status = init_firmware(dev); - if (!init_status) { - RT_TRACE(COMP_ERR, "ERR!!! %s(): Firmware download is failed\n", - __func__); - return init_status; - } - RT_TRACE(COMP_INIT, "%s():after firmware download\n", __func__); - - /* config RF. */ - if (priv->ResetProgress == RESET_TYPE_NORESET) { - rtl8192_phy_RFConfig(dev); - RT_TRACE(COMP_INIT, "%s():after phy RF config\n", __func__); - } - - if (priv->ieee80211->FwRWRF) - /* We can force firmware to do RF-R/W */ - priv->Rf_Mode = RF_OP_By_FW; - else - priv->Rf_Mode = RF_OP_By_SW_3wire; - - rtl8192_phy_updateInitGain(dev); - /*--set CCK and OFDM Block "ON"--*/ - rtl8192_setBBreg(dev, rFPGA0_RFMOD, bCCKEn, 0x1); - rtl8192_setBBreg(dev, rFPGA0_RFMOD, bOFDMEn, 0x1); - - if (priv->ResetProgress == RESET_TYPE_NORESET) { - /* if D or C cut */ - u8 tmpvalue; - - read_nic_byte(dev, 0x301, &tmpvalue); - if (tmpvalue == 0x03) { - priv->bDcut = true; - RT_TRACE(COMP_POWER_TRACKING, "D-cut\n"); - } else { - priv->bDcut = false; - RT_TRACE(COMP_POWER_TRACKING, "C-cut\n"); - } - dm_initialize_txpower_tracking(dev); - - if (priv->bDcut) { - u32 i, TempCCk; - u32 tmpRegA = rtl8192_QueryBBReg(dev, - rOFDM0_XATxIQImbalance, - bMaskDWord); - - for (i = 0; i < TxBBGainTableLength; i++) { - if (tmpRegA == priv->txbbgain_table[i].txbbgain_value) { - priv->rfa_txpowertrackingindex = (u8)i; - priv->rfa_txpowertrackingindex_real = - (u8)i; - priv->rfa_txpowertracking_default = - priv->rfa_txpowertrackingindex; - break; - } - } - - TempCCk = rtl8192_QueryBBReg(dev, - rCCK0_TxFilter1, - bMaskByte2); - - for (i = 0; i < CCKTxBBGainTableLength; i++) { - if (TempCCk == priv->cck_txbbgain_table[i].ccktxbb_valuearray[0]) { - priv->cck_present_attenuation_20Mdefault = (u8)i; - break; - } - } - priv->cck_present_attenuation_40Mdefault = 0; - priv->cck_present_attenuation_difference = 0; - priv->cck_present_attenuation = - priv->cck_present_attenuation_20Mdefault; - } - } - write_nic_byte(dev, 0x87, 0x0); - - return init_status; -} - -/* this configures registers for beacon tx and enables it via - * rtl8192_beacon_tx_enable(). rtl8192_beacon_tx_disable() might - * be used to stop beacon transmission - */ -/*************************************************************************** - * -------------------------------NET STUFF--------------------------- - ***************************************************************************/ - -static struct net_device_stats *rtl8192_stats(struct net_device *dev) -{ - struct r8192_priv *priv = ieee80211_priv(dev); - - return &priv->ieee80211->stats; -} - -static bool HalTxCheckStuck819xUsb(struct net_device *dev) -{ - struct r8192_priv *priv = ieee80211_priv(dev); - u16 RegTxCounter; - bool bStuck = false; - - read_nic_word(dev, 0x128, &RegTxCounter); - RT_TRACE(COMP_RESET, - "%s():RegTxCounter is %d,TxCounter is %d\n", __func__, - RegTxCounter, priv->TxCounter); - if (priv->TxCounter == RegTxCounter) - bStuck = true; - - priv->TxCounter = RegTxCounter; - - return bStuck; -} - -/* - * <Assumption: RT_TX_SPINLOCK is acquired.> - * First added: 2006.11.19 by emily - */ -static RESET_TYPE TxCheckStuck(struct net_device *dev) -{ - struct r8192_priv *priv = ieee80211_priv(dev); - u8 QueueID; - bool bCheckFwTxCnt = false; - - /* Decide such threshold according to current power save mode */ - - for (QueueID = 0; QueueID <= BEACON_QUEUE; QueueID++) { - if (QueueID == TXCMD_QUEUE) - continue; - if ((skb_queue_len(&priv->ieee80211->skb_waitQ[QueueID]) == 0) && (skb_queue_len(&priv->ieee80211->skb_aggQ[QueueID]) == 0)) - continue; - - bCheckFwTxCnt = true; - } - if (bCheckFwTxCnt) { - if (HalTxCheckStuck819xUsb(dev)) { - RT_TRACE(COMP_RESET, - "%s: Fw indicates no Tx condition!\n", - __func__); - return RESET_TYPE_SILENT; - } - } - return RESET_TYPE_NORESET; -} - -static bool HalRxCheckStuck819xUsb(struct net_device *dev) -{ - u16 RegRxCounter; - struct r8192_priv *priv = ieee80211_priv(dev); - bool bStuck = false; - static u8 rx_chk_cnt; - - read_nic_word(dev, 0x130, &RegRxCounter); - RT_TRACE(COMP_RESET, - "%s(): RegRxCounter is %d,RxCounter is %d\n", __func__, - RegRxCounter, priv->RxCounter); - /* If rssi is small, we should check rx for long time because of bad rx. - * or maybe it will continuous silent reset every 2 seconds. - */ - rx_chk_cnt++; - if (priv->undecorated_smoothed_pwdb >= (RATE_ADAPTIVE_TH_HIGH + 5)) { - rx_chk_cnt = 0; /* high rssi, check rx stuck right now. */ - } else if (priv->undecorated_smoothed_pwdb < (RATE_ADAPTIVE_TH_HIGH + 5) && - ((priv->CurrentChannelBW != HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb >= RATE_ADAPTIVE_TH_LOW_40M) || - (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb >= RATE_ADAPTIVE_TH_LOW_20M))) { - if (rx_chk_cnt < 2) - return bStuck; - - rx_chk_cnt = 0; - } else if (((priv->CurrentChannelBW != HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb < RATE_ADAPTIVE_TH_LOW_40M) || - (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb < RATE_ADAPTIVE_TH_LOW_20M)) && - priv->undecorated_smoothed_pwdb >= VERY_LOW_RSSI) { - if (rx_chk_cnt < 4) - return bStuck; - - rx_chk_cnt = 0; - } else { - if (rx_chk_cnt < 8) - return bStuck; - - rx_chk_cnt = 0; - } - - if (priv->RxCounter == RegRxCounter) - bStuck = true; - - priv->RxCounter = RegRxCounter; - - return bStuck; -} - -static RESET_TYPE RxCheckStuck(struct net_device *dev) -{ - struct r8192_priv *priv = ieee80211_priv(dev); - bool bRxCheck = false; - - if (priv->IrpPendingCount > 1) - bRxCheck = true; - - if (bRxCheck) { - if (HalRxCheckStuck819xUsb(dev)) { - RT_TRACE(COMP_RESET, "RxStuck Condition\n"); - return RESET_TYPE_SILENT; - } - } - return RESET_TYPE_NORESET; -} - -/* - * This function is called by Checkforhang to check whether we should - * ask OS to reset driver - * - * Note:NIC with USB interface sholud not call this function because we - * cannot scan descriptor to judge whether there is tx stuck. - * Note: This function may be required to be rewrite for Vista OS. - * <<<Assumption: Tx spinlock has been acquired >>> - * - * 8185 and 8185b does not implement this function. - */ -static RESET_TYPE rtl819x_ifcheck_resetornot(struct net_device *dev) -{ - struct r8192_priv *priv = ieee80211_priv(dev); - RESET_TYPE TxResetType = RESET_TYPE_NORESET; - RESET_TYPE RxResetType = RESET_TYPE_NORESET; - RT_RF_POWER_STATE rfState; - - rfState = priv->ieee80211->eRFPowerState; - - TxResetType = TxCheckStuck(dev); - if (rfState != eRfOff || - (priv->ieee80211->iw_mode != IW_MODE_ADHOC)) { - /* If driver is in the status of firmware download failure, - * driver skips RF initialization and RF is in turned off - * state. Driver should check whether Rx stuck and do silent - * reset. And if driver is in firmware download failure status, - * driver should initialize RF in the following silent reset - * procedure - * - * Driver should not check RX stuck in IBSS mode because it is - * required to set Check BSSID in order to send beacon, - * however, if check BSSID is set, STA cannot hear any packet - * at all. - */ - RxResetType = RxCheckStuck(dev); - } - if (TxResetType == RESET_TYPE_NORMAL || - RxResetType == RESET_TYPE_NORMAL) { - return RESET_TYPE_NORMAL; - } else if (TxResetType == RESET_TYPE_SILENT || - RxResetType == RESET_TYPE_SILENT) { - RT_TRACE(COMP_RESET, "%s():silent reset\n", __func__); - return RESET_TYPE_SILENT; - } else { - return RESET_TYPE_NORESET; - } -} - -static void rtl8192_cancel_deferred_work(struct r8192_priv *priv); -static int _rtl8192_up(struct net_device *dev); -static int rtl8192_close(struct net_device *dev); - -static void CamRestoreAllEntry(struct net_device *dev) -{ - u8 EntryId = 0; - struct r8192_priv *priv = ieee80211_priv(dev); - u8 *MacAddr = priv->ieee80211->current_network.bssid; - - static u8 CAM_CONST_ADDR[4][6] = { - {0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, - {0x00, 0x00, 0x00, 0x00, 0x00, 0x01}, - {0x00, 0x00, 0x00, 0x00, 0x00, 0x02}, - {0x00, 0x00, 0x00, 0x00, 0x00, 0x03} }; - static u8 CAM_CONST_BROAD[] = { - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; - - RT_TRACE(COMP_SEC, "%s:\n", __func__); - - if ((priv->ieee80211->pairwise_key_type == KEY_TYPE_WEP40) || - (priv->ieee80211->pairwise_key_type == KEY_TYPE_WEP104)) { - for (EntryId = 0; EntryId < 4; EntryId++) { - MacAddr = CAM_CONST_ADDR[EntryId]; - setKey(dev, EntryId, EntryId, - priv->ieee80211->pairwise_key_type, - MacAddr, 0, NULL); - } - - } else if (priv->ieee80211->pairwise_key_type == KEY_TYPE_TKIP) { - if (priv->ieee80211->iw_mode == IW_MODE_ADHOC) - setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type, - (const u8 *)dev->dev_addr, 0, NULL); - else - setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type, - MacAddr, 0, NULL); - } else if (priv->ieee80211->pairwise_key_type == KEY_TYPE_CCMP) { - if (priv->ieee80211->iw_mode == IW_MODE_ADHOC) - setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type, - (const u8 *)dev->dev_addr, 0, NULL); - else - setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type, - MacAddr, 0, NULL); - } - - if (priv->ieee80211->group_key_type == KEY_TYPE_TKIP) { - MacAddr = CAM_CONST_BROAD; - for (EntryId = 1; EntryId < 4; EntryId++) { - setKey(dev, EntryId, EntryId, - priv->ieee80211->group_key_type, - MacAddr, 0, NULL); - } - if (priv->ieee80211->iw_mode == IW_MODE_ADHOC) - setKey(dev, 0, 0, priv->ieee80211->group_key_type, - CAM_CONST_ADDR[0], 0, NULL); - } else if (priv->ieee80211->group_key_type == KEY_TYPE_CCMP) { - MacAddr = CAM_CONST_BROAD; - for (EntryId = 1; EntryId < 4; EntryId++) { - setKey(dev, EntryId, EntryId, - priv->ieee80211->group_key_type, - MacAddr, 0, NULL); - } - - if (priv->ieee80211->iw_mode == IW_MODE_ADHOC) - setKey(dev, 0, 0, priv->ieee80211->group_key_type, - CAM_CONST_ADDR[0], 0, NULL); - } -} - -/* This function is used to fix Tx/Rx stop bug temporarily. - * This function will do "system reset" to NIC when Tx or Rx is stuck. - * The method checking Tx/Rx stuck of this function is supported by FW, - * which reports Tx and Rx counter to register 0x128 and 0x130. - */ -static void rtl819x_ifsilentreset(struct net_device *dev) -{ - struct r8192_priv *priv = ieee80211_priv(dev); - u8 reset_times = 0; - int reset_status = 0; - struct ieee80211_device *ieee = priv->ieee80211; - - /* If we need to check CCK stop, please uncomment this line. */ - /* bStuck = Adapter->HalFunc.CheckHWStopHandler(Adapter); */ - - if (priv->ResetProgress == RESET_TYPE_NORESET) { -RESET_START: - - RT_TRACE(COMP_RESET, "=========>Reset progress!!\n"); - - /* Set the variable for reset. */ - priv->ResetProgress = RESET_TYPE_SILENT; - mutex_lock(&priv->wx_mutex); - if (priv->up == 0) { - RT_TRACE(COMP_ERR, - "%s():the driver is not up! return\n", - __func__); - mutex_unlock(&priv->wx_mutex); - return; - } - priv->up = 0; - RT_TRACE(COMP_RESET, - "%s():======>start to down the driver\n", - __func__); - - rtl8192_rtx_disable(dev); - rtl8192_cancel_deferred_work(priv); - deinit_hal_dm(dev); - del_timer_sync(&priv->watch_dog_timer); - - ieee->sync_scan_hurryup = 1; - if (ieee->state == IEEE80211_LINKED) { - mutex_lock(&ieee->wx_mutex); - netdev_dbg(dev, "ieee->state is IEEE80211_LINKED\n"); - ieee80211_stop_send_beacons(priv->ieee80211); - del_timer_sync(&ieee->associate_timer); - cancel_delayed_work(&ieee->associate_retry_wq); - ieee80211_stop_scan(ieee); - netif_carrier_off(dev); - mutex_unlock(&ieee->wx_mutex); - } else { - netdev_dbg(dev, "ieee->state is NOT LINKED\n"); - ieee80211_softmac_stop_protocol(priv->ieee80211); - } - mutex_unlock(&priv->wx_mutex); - RT_TRACE(COMP_RESET, - "%s():<==========down process is finished\n", - __func__); - RT_TRACE(COMP_RESET, - "%s():===========>start up the driver\n", - __func__); - reset_status = _rtl8192_up(dev); - - RT_TRACE(COMP_RESET, - "%s():<===========up process is finished\n", - __func__); - if (reset_status == -EAGAIN) { - if (reset_times < 3) { - reset_times++; - goto RESET_START; - } else { - RT_TRACE(COMP_ERR, - " ERR!!! %s(): Reset Failed!!\n", - __func__); - } - } - ieee->is_silent_reset = 1; - EnableHWSecurityConfig8192(dev); - if (ieee->state == IEEE80211_LINKED && - ieee->iw_mode == IW_MODE_INFRA) { - ieee->set_chan(ieee->dev, - ieee->current_network.channel); - - queue_work(ieee->wq, &ieee->associate_complete_wq); - - } else if (ieee->state == IEEE80211_LINKED && - ieee->iw_mode == IW_MODE_ADHOC) { - ieee->set_chan(ieee->dev, - ieee->current_network.channel); - ieee->link_change(ieee->dev); - - ieee80211_start_send_beacons(ieee); - - if (ieee->data_hard_resume) - ieee->data_hard_resume(ieee->dev); - netif_carrier_on(ieee->dev); - } - - CamRestoreAllEntry(dev); - - priv->ResetProgress = RESET_TYPE_NORESET; - priv->reset_count++; - - priv->bForcedSilentReset = false; - priv->bResetInProgress = false; - - /* For test --> force write UFWP. */ - write_nic_byte(dev, UFWP, 1); - RT_TRACE(COMP_RESET, - "Reset finished!! ====>[%d]\n", - priv->reset_count); - } -} - -static void rtl819x_update_rxcounts(struct r8192_priv *priv, u32 *TotalRxBcnNum, - u32 *TotalRxDataNum) -{ - u16 SlotIndex; - u16 i; - - *TotalRxBcnNum = 0; - *TotalRxDataNum = 0; - - SlotIndex = (priv->ieee80211->LinkDetectInfo.SlotIndex++) % - (priv->ieee80211->LinkDetectInfo.SlotNum); - priv->ieee80211->LinkDetectInfo.RxBcnNum[SlotIndex] = - priv->ieee80211->LinkDetectInfo.NumRecvBcnInPeriod; - priv->ieee80211->LinkDetectInfo.RxDataNum[SlotIndex] = - priv->ieee80211->LinkDetectInfo.NumRecvDataInPeriod; - for (i = 0; i < priv->ieee80211->LinkDetectInfo.SlotNum; i++) { - *TotalRxBcnNum += priv->ieee80211->LinkDetectInfo.RxBcnNum[i]; - *TotalRxDataNum += priv->ieee80211->LinkDetectInfo.RxDataNum[i]; - } -} - -static void rtl819x_watchdog_wqcallback(struct work_struct *work) -{ - struct delayed_work *dwork = to_delayed_work(work); - struct r8192_priv *priv = container_of(dwork, - struct r8192_priv, watch_dog_wq); - struct net_device *dev = priv->ieee80211->dev; - struct ieee80211_device *ieee = priv->ieee80211; - RESET_TYPE ResetType = RESET_TYPE_NORESET; - static u8 check_reset_cnt; - bool bBusyTraffic = false; - u32 TotalRxBcnNum = 0; - u32 TotalRxDataNum = 0; - - if (!priv->up) - return; - hal_dm_watchdog(dev); - - /* to get busy traffic condition */ - if (ieee->state == IEEE80211_LINKED) { - if (ieee->LinkDetectInfo.NumRxOkInPeriod > 666 || - ieee->LinkDetectInfo.NumTxOkInPeriod > 666) { - bBusyTraffic = true; - } - ieee->LinkDetectInfo.NumRxOkInPeriod = 0; - ieee->LinkDetectInfo.NumTxOkInPeriod = 0; - ieee->LinkDetectInfo.bBusyTraffic = bBusyTraffic; - } - /* for AP roaming */ - if (priv->ieee80211->state == IEEE80211_LINKED && - priv->ieee80211->iw_mode == IW_MODE_INFRA) { - rtl819x_update_rxcounts(priv, &TotalRxBcnNum, &TotalRxDataNum); - if ((TotalRxBcnNum + TotalRxDataNum) == 0) { -#ifdef TODO - if (rfState == eRfOff) - RT_TRACE(COMP_ERR, "========>%s()\n", __func__); -#endif - netdev_dbg(dev, - "===>%s(): AP is power off, connect another one\n", - __func__); - priv->ieee80211->state = IEEE80211_ASSOCIATING; - notify_wx_assoc_event(priv->ieee80211); - RemovePeerTS(priv->ieee80211, - priv->ieee80211->current_network.bssid); - priv->ieee80211->link_change(dev); - queue_work(priv->ieee80211->wq, - &priv->ieee80211->associate_procedure_wq); - } - } - priv->ieee80211->LinkDetectInfo.NumRecvBcnInPeriod = 0; - priv->ieee80211->LinkDetectInfo.NumRecvDataInPeriod = 0; - /* check if reset the driver */ - if (check_reset_cnt++ >= 3) { - ResetType = rtl819x_ifcheck_resetornot(dev); - check_reset_cnt = 3; - } - /* This is control by OID set in Pomelo */ - if ((priv->force_reset) || (priv->ResetProgress == RESET_TYPE_NORESET && - (priv->bForcedSilentReset || - (!priv->bDisableNormalResetCheck && ResetType == RESET_TYPE_SILENT)))) { - RT_TRACE(COMP_RESET, - "%s():priv->force_reset is %d,priv->ResetProgress is %d, priv->bForcedSilentReset is %d,priv->bDisableNormalResetCheck is %d,ResetType is %d\n", - __func__, priv->force_reset, priv->ResetProgress, - priv->bForcedSilentReset, - priv->bDisableNormalResetCheck, ResetType); - rtl819x_ifsilentreset(dev); - } - priv->force_reset = false; - priv->bForcedSilentReset = false; - priv->bResetInProgress = false; - RT_TRACE(COMP_TRACE, " <==RtUsbCheckForHangWorkItemCallback()\n"); -} - -static void watch_dog_timer_callback(struct timer_list *t) -{ - struct r8192_priv *priv = from_timer(priv, t, watch_dog_timer); - - schedule_delayed_work(&priv->watch_dog_wq, 0); - mod_timer(&priv->watch_dog_timer, - jiffies + msecs_to_jiffies(IEEE80211_WATCH_DOG_TIME)); -} - -static int _rtl8192_up(struct net_device *dev) -{ - struct r8192_priv *priv = ieee80211_priv(dev); - int init_status = 0; - - priv->up = 1; - priv->ieee80211->ieee_up = 1; - RT_TRACE(COMP_INIT, "Bringing up iface"); - init_status = rtl8192_adapter_start(dev); - if (!init_status) { - RT_TRACE(COMP_ERR, "ERR!!! %s(): initialization failed!\n", - __func__); - priv->up = priv->ieee80211->ieee_up = 0; - return -EAGAIN; - } - RT_TRACE(COMP_INIT, "start adapter finished\n"); - rtl8192_rx_enable(dev); - if (priv->ieee80211->state != IEEE80211_LINKED) - ieee80211_softmac_start_protocol(priv->ieee80211); - ieee80211_reset_queue(priv->ieee80211); - watch_dog_timer_callback(&priv->watch_dog_timer); - if (!netif_queue_stopped(dev)) - netif_start_queue(dev); - else - netif_wake_queue(dev); - - return 0; -} - -static int rtl8192_open(struct net_device *dev) -{ - struct r8192_priv *priv = ieee80211_priv(dev); - int ret; - - mutex_lock(&priv->wx_mutex); - ret = rtl8192_up(dev); - mutex_unlock(&priv->wx_mutex); - return ret; -} - -int rtl8192_up(struct net_device *dev) -{ - struct r8192_priv *priv = ieee80211_priv(dev); - - if (priv->up == 1) - return -1; - - return _rtl8192_up(dev); -} - -static int rtl8192_close(struct net_device *dev) -{ - struct r8192_priv *priv = ieee80211_priv(dev); - int ret; - - mutex_lock(&priv->wx_mutex); - - ret = rtl8192_down(dev); - - mutex_unlock(&priv->wx_mutex); - - return ret; -} - -int rtl8192_down(struct net_device *dev) -{ - struct r8192_priv *priv = ieee80211_priv(dev); - int i; - - if (priv->up == 0) - return -1; - - priv->up = 0; - priv->ieee80211->ieee_up = 0; - RT_TRACE(COMP_DOWN, "==========>%s()\n", __func__); - /* FIXME */ - if (!netif_queue_stopped(dev)) - netif_stop_queue(dev); - - rtl8192_rtx_disable(dev); - - /* Tx related queue release */ - for (i = 0; i < MAX_QUEUE_SIZE; i++) - skb_queue_purge(&priv->ieee80211->skb_waitQ[i]); - for (i = 0; i < MAX_QUEUE_SIZE; i++) - skb_queue_purge(&priv->ieee80211->skb_aggQ[i]); - - for (i = 0; i < MAX_QUEUE_SIZE; i++) - skb_queue_purge(&priv->ieee80211->skb_drv_aggQ[i]); - - /* as cancel_delayed_work will del work->timer, so if work is not - * defined as struct delayed_work, it will corrupt - */ - rtl8192_cancel_deferred_work(priv); - deinit_hal_dm(dev); - del_timer_sync(&priv->watch_dog_timer); - - ieee80211_softmac_stop_protocol(priv->ieee80211); - memset(&priv->ieee80211->current_network, 0, - offsetof(struct ieee80211_network, list)); - RT_TRACE(COMP_DOWN, "<==========%s()\n", __func__); - - return 0; -} - -void rtl8192_commit(struct net_device *dev) -{ - struct r8192_priv *priv = ieee80211_priv(dev); - - if (priv->up == 0) - return; - priv->up = 0; - - rtl8192_cancel_deferred_work(priv); - del_timer_sync(&priv->watch_dog_timer); - - ieee80211_softmac_stop_protocol(priv->ieee80211); - - rtl8192_rtx_disable(dev); - _rtl8192_up(dev); -} - -static void rtl8192_restart(struct work_struct *work) -{ - struct r8192_priv *priv = container_of(work, struct r8192_priv, - reset_wq); - struct net_device *dev = priv->ieee80211->dev; - - mutex_lock(&priv->wx_mutex); - - rtl8192_commit(dev); - - mutex_unlock(&priv->wx_mutex); -} - -static void r8192_set_multicast(struct net_device *dev) -{ - struct r8192_priv *priv = ieee80211_priv(dev); - short promisc; - - /* FIXME FIXME */ - - promisc = (dev->flags & IFF_PROMISC) ? 1 : 0; - - if (promisc != priv->promisc) - - priv->promisc = promisc; -} - -static int r8192_set_mac_adr(struct net_device *dev, void *mac) -{ - struct r8192_priv *priv = ieee80211_priv(dev); - struct sockaddr *addr = mac; - - mutex_lock(&priv->wx_mutex); - - eth_hw_addr_set(dev, addr->sa_data); - - schedule_work(&priv->reset_wq); - mutex_unlock(&priv->wx_mutex); - - return 0; -} - -/* based on ipw2200 driver */ -static int rtl8192_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) -{ - struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev); - struct iwreq *wrq = (struct iwreq *)rq; - int ret = -1; - struct ieee80211_device *ieee = priv->ieee80211; - u32 key[4]; - u8 broadcast_addr[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; - struct iw_point *p = &wrq->u.data; - struct ieee_param *ipw = NULL; - - mutex_lock(&priv->wx_mutex); - - if (p->length < sizeof(struct ieee_param) || !p->pointer) { - ret = -EINVAL; - goto out; - } - - ipw = memdup_user(p->pointer, p->length); - if (IS_ERR(ipw)) { - ret = PTR_ERR(ipw); - goto out; - } - - switch (cmd) { - case RTL_IOCTL_WPA_SUPPLICANT: - /* parse here for HW security */ - if (ipw->cmd == IEEE_CMD_SET_ENCRYPTION) { - if (ipw->u.crypt.set_tx) { - if (strcmp(ipw->u.crypt.alg, "CCMP") == 0) { - ieee->pairwise_key_type = KEY_TYPE_CCMP; - } else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0) { - ieee->pairwise_key_type = KEY_TYPE_TKIP; - } else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) { - if (ipw->u.crypt.key_len == 13) - ieee->pairwise_key_type = KEY_TYPE_WEP104; - else if (ipw->u.crypt.key_len == 5) - ieee->pairwise_key_type = KEY_TYPE_WEP40; - } else { - ieee->pairwise_key_type = KEY_TYPE_NA; - } - - if (ieee->pairwise_key_type) { - memcpy((u8 *)key, ipw->u.crypt.key, 16); - EnableHWSecurityConfig8192(dev); - /* We fill both index entry and 4th - * entry for pairwise key as in IPW - * interface, adhoc will only get here, - * so we need index entry for its - * default key serching! - */ - setKey(dev, 4, ipw->u.crypt.idx, - ieee->pairwise_key_type, - (u8 *)ieee->ap_mac_addr, - 0, key); - if (ieee->auth_mode != 2) - setKey(dev, ipw->u.crypt.idx, - ipw->u.crypt.idx, - ieee->pairwise_key_type, - (u8 *)ieee->ap_mac_addr, - 0, key); - } - } else { - memcpy((u8 *)key, ipw->u.crypt.key, 16); - if (strcmp(ipw->u.crypt.alg, "CCMP") == 0) { - ieee->group_key_type = KEY_TYPE_CCMP; - } else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0) { - ieee->group_key_type = KEY_TYPE_TKIP; - } else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) { - if (ipw->u.crypt.key_len == 13) - ieee->group_key_type = KEY_TYPE_WEP104; - else if (ipw->u.crypt.key_len == 5) - ieee->group_key_type = KEY_TYPE_WEP40; - } else { - ieee->group_key_type = KEY_TYPE_NA; - } - - if (ieee->group_key_type) { - setKey(dev, ipw->u.crypt.idx, - /* KeyIndex */ - ipw->u.crypt.idx, - /* KeyType */ - ieee->group_key_type, - /* MacAddr */ - broadcast_addr, - /* DefaultKey */ - 0, - /* KeyContent */ - key); - } - } - } - ret = ieee80211_wpa_supplicant_ioctl(priv->ieee80211, - &wrq->u.data); - break; - - default: - ret = -EOPNOTSUPP; - break; - } - kfree(ipw); - ipw = NULL; -out: - mutex_unlock(&priv->wx_mutex); - return ret; -} - -static u8 HwRateToMRate90(bool bIsHT, u8 rate) -{ - u8 ret_rate = 0xff; - - if (!bIsHT) { - switch (rate) { - case DESC90_RATE1M: - ret_rate = MGN_1M; - break; - case DESC90_RATE2M: - ret_rate = MGN_2M; - break; - case DESC90_RATE5_5M: - ret_rate = MGN_5_5M; - break; - case DESC90_RATE11M: - ret_rate = MGN_11M; - break; - case DESC90_RATE6M: - ret_rate = MGN_6M; - break; - case DESC90_RATE9M: - ret_rate = MGN_9M; - break; - case DESC90_RATE12M: - ret_rate = MGN_12M; - break; - case DESC90_RATE18M: - ret_rate = MGN_18M; - break; - case DESC90_RATE24M: - ret_rate = MGN_24M; - break; - case DESC90_RATE36M: - ret_rate = MGN_36M; - break; - case DESC90_RATE48M: - ret_rate = MGN_48M; - break; - case DESC90_RATE54M: - ret_rate = MGN_54M; - break; - - default: - ret_rate = 0xff; - RT_TRACE(COMP_RECV, - "%s: Non supported Rate [%x], bIsHT = %d!!!\n", - __func__, rate, bIsHT); - break; - } - - } else { - switch (rate) { - case DESC90_RATEMCS0: - ret_rate = MGN_MCS0; - break; - case DESC90_RATEMCS1: - ret_rate = MGN_MCS1; - break; - case DESC90_RATEMCS2: - ret_rate = MGN_MCS2; - break; - case DESC90_RATEMCS3: - ret_rate = MGN_MCS3; - break; - case DESC90_RATEMCS4: - ret_rate = MGN_MCS4; - break; - case DESC90_RATEMCS5: - ret_rate = MGN_MCS5; - break; - case DESC90_RATEMCS6: - ret_rate = MGN_MCS6; - break; - case DESC90_RATEMCS7: - ret_rate = MGN_MCS7; - break; - case DESC90_RATEMCS8: - ret_rate = MGN_MCS8; - break; - case DESC90_RATEMCS9: - ret_rate = MGN_MCS9; - break; - case DESC90_RATEMCS10: - ret_rate = MGN_MCS10; - break; - case DESC90_RATEMCS11: - ret_rate = MGN_MCS11; - break; - case DESC90_RATEMCS12: - ret_rate = MGN_MCS12; - break; - case DESC90_RATEMCS13: - ret_rate = MGN_MCS13; - break; - case DESC90_RATEMCS14: - ret_rate = MGN_MCS14; - break; - case DESC90_RATEMCS15: - ret_rate = MGN_MCS15; - break; - case DESC90_RATEMCS32: - ret_rate = 0x80 | 0x20; - break; - - default: - ret_rate = 0xff; - RT_TRACE(COMP_RECV, - "%s: Non supported Rate [%x], bIsHT = %d!!!\n", - __func__, rate, bIsHT); - break; - } - } - - return ret_rate; -} - -/* - * Function: UpdateRxPktTimeStamp - * Overview: Record the TSF time stamp when receiving a packet - * - * Input: - * PADAPTER Adapter - * PRT_RFD pRfd, - * - * Output: - * PRT_RFD pRfd - * (pRfd->Status.TimeStampHigh is updated) - * (pRfd->Status.TimeStampLow is updated) - * Return: - * None - */ -static void UpdateRxPktTimeStamp8190(struct net_device *dev, - struct ieee80211_rx_stats *stats) -{ - struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev); - - if (stats->bIsAMPDU && !stats->bFirstMPDU) { - stats->mac_time[0] = priv->LastRxDescTSFLow; - stats->mac_time[1] = priv->LastRxDescTSFHigh; - } else { - priv->LastRxDescTSFLow = stats->mac_time[0]; - priv->LastRxDescTSFHigh = stats->mac_time[1]; - } -} - -/* 0-100 index. */ -static long rtl819x_translate_todbm(u8 signal_strength_index) -{ - long signal_power; /* in dBm. */ - - /* Translate to dBm (x=0.5y-95). */ - signal_power = (long)((signal_strength_index + 1) >> 1); - signal_power -= 95; - - return signal_power; -} - -/* We can not declare RSSI/EVM total value of sliding window to - * be a local static. Otherwise, it may increase when we return from S3/S4. The - * value will be kept in memory or disk. Declare the value in the adaptor - * and it will be reinitialized when returned from S3/S4. - */ -static void rtl8192_process_phyinfo(struct r8192_priv *priv, u8 *buffer, - struct ieee80211_rx_stats *pprevious_stats, - struct ieee80211_rx_stats *pcurrent_stats) -{ - bool bcheck = false; - u8 rfpath; - u32 nspatial_stream, tmp_val; - static u32 slide_rssi_index, slide_rssi_statistics; - static u32 slide_evm_index, slide_evm_statistics; - static u32 last_rssi, last_evm; - - static u32 slide_beacon_adc_pwdb_index; - static u32 slide_beacon_adc_pwdb_statistics; - static u32 last_beacon_adc_pwdb; - - struct rtl_80211_hdr_3addr *hdr; - u16 sc; - unsigned int seq; - - hdr = (struct rtl_80211_hdr_3addr *)buffer; - sc = le16_to_cpu(hdr->seq_ctl); - seq = WLAN_GET_SEQ_SEQ(sc); - /* to record the sequence number */ - pcurrent_stats->Seq_Num = seq; - - /* Check whether we should take the previous packet into accounting */ - if (!pprevious_stats->bIsAMPDU) { - /* if previous packet is not aggregated packet */ - bcheck = true; - } - - if (slide_rssi_statistics++ >= PHY_RSSI_SLID_WIN_MAX) { - slide_rssi_statistics = PHY_RSSI_SLID_WIN_MAX; - last_rssi = priv->stats.slide_signal_strength[slide_rssi_index]; - priv->stats.slide_rssi_total -= last_rssi; - } - priv->stats.slide_rssi_total += pprevious_stats->SignalStrength; - - priv->stats.slide_signal_strength[slide_rssi_index++] = - pprevious_stats->SignalStrength; - if (slide_rssi_index >= PHY_RSSI_SLID_WIN_MAX) - slide_rssi_index = 0; - - /* <1> Showed on UI for user, in dbm */ - tmp_val = priv->stats.slide_rssi_total / slide_rssi_statistics; - priv->stats.signal_strength = rtl819x_translate_todbm((u8)tmp_val); - pcurrent_stats->rssi = priv->stats.signal_strength; - - /* If the previous packet does not match the criteria, neglect it */ - if (!pprevious_stats->bPacketMatchBSSID) { - if (!pprevious_stats->bToSelfBA) - return; - } - - if (!bcheck) - return; - - /* only rtl8190 supported - * rtl8190_process_cck_rxpathsel(priv,pprevious_stats); - */ - - /* Check RSSI */ - priv->stats.num_process_phyinfo++; - - /* record the general signal strength to the sliding window. */ - - /* <2> Showed on UI for engineering - * hardware does not provide rssi information for each rf path in CCK - */ - if (!pprevious_stats->bIsCCK && - (pprevious_stats->bPacketToSelf || pprevious_stats->bToSelfBA)) { - for (rfpath = RF90_PATH_A; rfpath < priv->NumTotalRFPath; rfpath++) { - if (!rtl8192_phy_CheckIsLegalRFPath(priv->ieee80211->dev, - rfpath)) - continue; - if (priv->stats.rx_rssi_percentage[rfpath] == 0) - priv->stats.rx_rssi_percentage[rfpath] = - pprevious_stats->RxMIMOSignalStrength[rfpath]; - if (pprevious_stats->RxMIMOSignalStrength[rfpath] > priv->stats.rx_rssi_percentage[rfpath]) { - priv->stats.rx_rssi_percentage[rfpath] = - ((priv->stats.rx_rssi_percentage[rfpath] * (RX_SMOOTH_FACTOR - 1)) + - (pprevious_stats->RxMIMOSignalStrength[rfpath])) / (RX_SMOOTH_FACTOR); - priv->stats.rx_rssi_percentage[rfpath] = priv->stats.rx_rssi_percentage[rfpath] + 1; - } else { - priv->stats.rx_rssi_percentage[rfpath] = - ((priv->stats.rx_rssi_percentage[rfpath] * (RX_SMOOTH_FACTOR - 1)) + - (pprevious_stats->RxMIMOSignalStrength[rfpath])) / (RX_SMOOTH_FACTOR); - } - RT_TRACE(COMP_DBG, - "priv->stats.rx_rssi_percentage[rfPath] = %d\n", - priv->stats.rx_rssi_percentage[rfpath]); - } - } - - /* Check PWDB. */ - RT_TRACE(COMP_RXDESC, "Smooth %s PWDB = %d\n", - pprevious_stats->bIsCCK ? "CCK" : "OFDM", - pprevious_stats->RxPWDBAll); - - if (pprevious_stats->bPacketBeacon) { - /* record the beacon pwdb to the sliding window. */ - if (slide_beacon_adc_pwdb_statistics++ >= PHY_Beacon_RSSI_SLID_WIN_MAX) { - slide_beacon_adc_pwdb_statistics = PHY_Beacon_RSSI_SLID_WIN_MAX; - last_beacon_adc_pwdb = priv->stats.Slide_Beacon_pwdb[slide_beacon_adc_pwdb_index]; - priv->stats.Slide_Beacon_Total -= last_beacon_adc_pwdb; - } - priv->stats.Slide_Beacon_Total += pprevious_stats->RxPWDBAll; - priv->stats.Slide_Beacon_pwdb[slide_beacon_adc_pwdb_index] = pprevious_stats->RxPWDBAll; - slide_beacon_adc_pwdb_index++; - if (slide_beacon_adc_pwdb_index >= PHY_Beacon_RSSI_SLID_WIN_MAX) - slide_beacon_adc_pwdb_index = 0; - pprevious_stats->RxPWDBAll = priv->stats.Slide_Beacon_Total / slide_beacon_adc_pwdb_statistics; - if (pprevious_stats->RxPWDBAll >= 3) - pprevious_stats->RxPWDBAll -= 3; - } - - RT_TRACE(COMP_RXDESC, "Smooth %s PWDB = %d\n", - pprevious_stats->bIsCCK ? "CCK" : "OFDM", - pprevious_stats->RxPWDBAll); - - if (pprevious_stats->bPacketToSelf || - pprevious_stats->bPacketBeacon || - pprevious_stats->bToSelfBA) { - if (priv->undecorated_smoothed_pwdb < 0) - /* initialize */ - priv->undecorated_smoothed_pwdb = - pprevious_stats->RxPWDBAll; - if (pprevious_stats->RxPWDBAll > (u32)priv->undecorated_smoothed_pwdb) { - priv->undecorated_smoothed_pwdb = - (((priv->undecorated_smoothed_pwdb) * (RX_SMOOTH_FACTOR - 1)) + - (pprevious_stats->RxPWDBAll)) / (RX_SMOOTH_FACTOR); - priv->undecorated_smoothed_pwdb = priv->undecorated_smoothed_pwdb + 1; - } else { - priv->undecorated_smoothed_pwdb = - (((priv->undecorated_smoothed_pwdb) * (RX_SMOOTH_FACTOR - 1)) + - (pprevious_stats->RxPWDBAll)) / (RX_SMOOTH_FACTOR); - } - } - - /* Check EVM */ - /* record the general EVM to the sliding window. */ - if (pprevious_stats->SignalQuality) { - if (pprevious_stats->bPacketToSelf || - pprevious_stats->bPacketBeacon || - pprevious_stats->bToSelfBA) { - if (slide_evm_statistics++ >= PHY_RSSI_SLID_WIN_MAX) { - slide_evm_statistics = PHY_RSSI_SLID_WIN_MAX; - last_evm = priv->stats.slide_evm[slide_evm_index]; - priv->stats.slide_evm_total -= last_evm; - } - - priv->stats.slide_evm_total += - pprevious_stats->SignalQuality; - - priv->stats.slide_evm[slide_evm_index++] = - pprevious_stats->SignalQuality; - if (slide_evm_index >= PHY_RSSI_SLID_WIN_MAX) - slide_evm_index = 0; - - /* <1> Showed on UI for user, in percentage. */ - tmp_val = priv->stats.slide_evm_total / - slide_evm_statistics; - priv->stats.signal_quality = tmp_val; - /* Showed on UI for user in Windows Vista, - * for Link quality. - */ - priv->stats.last_signal_strength_inpercent = tmp_val; - } - - /* <2> Showed on UI for engineering */ - if (pprevious_stats->bPacketToSelf || - pprevious_stats->bPacketBeacon || - pprevious_stats->bToSelfBA) { - for (nspatial_stream = 0; nspatial_stream < 2; nspatial_stream++) { /* 2 spatial stream */ - if (pprevious_stats->RxMIMOSignalQuality[nspatial_stream] != -1) { - if (priv->stats.rx_evm_percentage[nspatial_stream] == 0) /* initialize */ - priv->stats.rx_evm_percentage[nspatial_stream] = pprevious_stats->RxMIMOSignalQuality[nspatial_stream]; - priv->stats.rx_evm_percentage[nspatial_stream] = - ((priv->stats.rx_evm_percentage[nspatial_stream] * (RX_SMOOTH_FACTOR - 1)) + - (pprevious_stats->RxMIMOSignalQuality[nspatial_stream] * 1)) / (RX_SMOOTH_FACTOR); - } - } - } - } -} - -/*----------------------------------------------------------------------------- - * Function: rtl819x_query_rxpwrpercentage() - * - * Overview: - * - * Input: char antpower - * - * Output: NONE - * - * Return: 0-100 percentage - *--------------------------------------------------------------------------- - */ -static u8 rtl819x_query_rxpwrpercentage(s8 antpower) -{ - if ((antpower <= -100) || (antpower >= 20)) - return 0; - else if (antpower >= 0) - return 100; - else - return 100 + antpower; - -} /* QueryRxPwrPercentage */ - -static u8 rtl819x_evm_dbtopercentage(s8 value) -{ - s8 ret_val = clamp(-value, 0, 33) * 3; - - if (ret_val == 99) - ret_val = 100; - - return ret_val; -} - -/* We want good-looking for signal strength/quality */ -static long rtl819x_signal_scale_mapping(long currsig) -{ - long retsig; - - /* Step 1. Scale mapping. */ - if (currsig >= 61 && currsig <= 100) - retsig = 90 + ((currsig - 60) / 4); - else if (currsig >= 41 && currsig <= 60) - retsig = 78 + ((currsig - 40) / 2); - else if (currsig >= 31 && currsig <= 40) - retsig = 66 + (currsig - 30); - else if (currsig >= 21 && currsig <= 30) - retsig = 54 + (currsig - 20); - else if (currsig >= 5 && currsig <= 20) - retsig = 42 + (((currsig - 5) * 2) / 3); - else if (currsig == 4) - retsig = 36; - else if (currsig == 3) - retsig = 27; - else if (currsig == 2) - retsig = 18; - else if (currsig == 1) - retsig = 9; - else - retsig = currsig; - - return retsig; -} - -static inline bool rx_hal_is_cck_rate(struct rx_drvinfo_819x_usb *pdrvinfo) -{ - if (pdrvinfo->RxHT) - return false; - - switch (pdrvinfo->RxRate) { - case DESC90_RATE1M: - case DESC90_RATE2M: - case DESC90_RATE5_5M: - case DESC90_RATE11M: - return true; - default: - return false; - } -} - -static void rtl8192_query_rxphystatus(struct r8192_priv *priv, - struct ieee80211_rx_stats *pstats, - struct rx_drvinfo_819x_usb *pdrvinfo, - struct ieee80211_rx_stats *precord_stats, - bool bpacket_match_bssid, - bool bpacket_toself, - bool bPacketBeacon, - bool bToSelfBA) -{ - phy_sts_ofdm_819xusb_t *pofdm_buf; - phy_sts_cck_819xusb_t *pcck_buf; - struct phy_ofdm_rx_status_rxsc_sgien_exintfflag *prxsc; - u8 *prxpkt; - u8 i, max_spatial_stream, tmp_rxsnr, tmp_rxevm, rxsc_sgien_exflg; - s8 rx_pwr[4], rx_pwr_all = 0; - s8 rx_snrX, rx_evmX; - u8 evm, pwdb_all; - u32 RSSI, total_rssi = 0; - u8 is_cck_rate = 0; - u8 rf_rx_num = 0; - u8 sq; - - priv->stats.numqry_phystatus++; - - is_cck_rate = rx_hal_is_cck_rate(pdrvinfo); - - /* Record it for next packet processing */ - memset(precord_stats, 0, sizeof(struct ieee80211_rx_stats)); - pstats->bPacketMatchBSSID = - precord_stats->bPacketMatchBSSID = bpacket_match_bssid; - pstats->bPacketToSelf = precord_stats->bPacketToSelf = bpacket_toself; - pstats->bIsCCK = precord_stats->bIsCCK = is_cck_rate; - pstats->bPacketBeacon = precord_stats->bPacketBeacon = bPacketBeacon; - pstats->bToSelfBA = precord_stats->bToSelfBA = bToSelfBA; - - prxpkt = (u8 *)pdrvinfo; - - /* Move pointer to the 16th bytes. Phy status start address. */ - prxpkt += sizeof(struct rx_drvinfo_819x_usb); - - /* Initial the cck and ofdm buffer pointer */ - pcck_buf = (phy_sts_cck_819xusb_t *)prxpkt; - pofdm_buf = (phy_sts_ofdm_819xusb_t *)prxpkt; - - pstats->RxMIMOSignalQuality[0] = -1; - pstats->RxMIMOSignalQuality[1] = -1; - precord_stats->RxMIMOSignalQuality[0] = -1; - precord_stats->RxMIMOSignalQuality[1] = -1; - - if (is_cck_rate) { - /* (1)Hardware does not provide RSSI for CCK */ - - /* (2)PWDB, Average PWDB calculated by hardware - * (for rate adaptive) - */ - u8 report; - - priv->stats.numqry_phystatusCCK++; - - if (!priv->bCckHighPower) { - report = pcck_buf->cck_agc_rpt & 0xc0; - report >>= 6; - switch (report) { - case 0x3: - rx_pwr_all = -35 - (pcck_buf->cck_agc_rpt & 0x3e); - break; - case 0x2: - rx_pwr_all = -23 - (pcck_buf->cck_agc_rpt & 0x3e); - break; - case 0x1: - rx_pwr_all = -11 - (pcck_buf->cck_agc_rpt & 0x3e); - break; - case 0x0: - rx_pwr_all = 6 - (pcck_buf->cck_agc_rpt & 0x3e); - break; - } - } else { - report = pcck_buf->cck_agc_rpt & 0x60; - report >>= 5; - switch (report) { - case 0x3: - rx_pwr_all = -35 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1); - break; - case 0x2: - rx_pwr_all = -23 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1); - break; - case 0x1: - rx_pwr_all = -11 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1); - break; - case 0x0: - rx_pwr_all = 6 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1); - break; - } - } - - pwdb_all = rtl819x_query_rxpwrpercentage(rx_pwr_all); - pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all; - pstats->RecvSignalPower = pwdb_all; - - /* (3) Get Signal Quality (EVM) */ - - if (pstats->RxPWDBAll > 40) { - sq = 100; - } else { - sq = pcck_buf->sq_rpt; - - if (pcck_buf->sq_rpt > 64) - sq = 0; - else if (pcck_buf->sq_rpt < 20) - sq = 100; - else - sq = ((64 - sq) * 100) / 44; - } - pstats->SignalQuality = precord_stats->SignalQuality = sq; - pstats->RxMIMOSignalQuality[0] = - precord_stats->RxMIMOSignalQuality[0] = sq; - pstats->RxMIMOSignalQuality[1] = - precord_stats->RxMIMOSignalQuality[1] = -1; - - } else { - priv->stats.numqry_phystatusHT++; - - /* (1)Get RSSI for HT rate */ - for (i = RF90_PATH_A; i < priv->NumTotalRFPath; i++) { - /* We will judge RF RX path now. */ - if (priv->brfpath_rxenable[i]) - rf_rx_num++; - else - continue; - - if (!rtl8192_phy_CheckIsLegalRFPath(priv->ieee80211->dev, i)) - continue; - - rx_pwr[i] = - ((pofdm_buf->trsw_gain_X[i] & 0x3F) * 2) - 106; - - /* Get Rx snr value in DB */ - tmp_rxsnr = pofdm_buf->rxsnr_X[i]; - rx_snrX = (s8)(tmp_rxsnr); - rx_snrX /= 2; - priv->stats.rxSNRdB[i] = (long)rx_snrX; - - /* Translate DBM to percentage. */ - RSSI = rtl819x_query_rxpwrpercentage(rx_pwr[i]); - total_rssi += RSSI; - - /* Record Signal Strength for next packet */ - pstats->RxMIMOSignalStrength[i] = (u8)RSSI; - precord_stats->RxMIMOSignalStrength[i] = (u8)RSSI; - } - - /* (2)PWDB, Average PWDB calculated by hardware - * (for rate adaptive) - */ - rx_pwr_all = (((pofdm_buf->pwdb_all) >> 1) & 0x7f) - 106; - pwdb_all = rtl819x_query_rxpwrpercentage(rx_pwr_all); - - pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all; - pstats->RxPower = precord_stats->RxPower = rx_pwr_all; - - /* (3)EVM of HT rate */ - if (pdrvinfo->RxHT && pdrvinfo->RxRate >= DESC90_RATEMCS8 && - pdrvinfo->RxRate <= DESC90_RATEMCS15) - /* both spatial stream make sense */ - max_spatial_stream = 2; - else - /* only spatial stream 1 makes sense */ - max_spatial_stream = 1; - - for (i = 0; i < max_spatial_stream; i++) { - tmp_rxevm = pofdm_buf->rxevm_X[i]; - rx_evmX = (s8)(tmp_rxevm); - - /* Do not use shift operation like "rx_evmX >>= 1" - * because the compiler of free build environment will - * set the most significant bit to "zero" when doing - * shifting operation which may change a negative value - * to positive one, then the dbm value (which is - * supposed to be negative) is not correct anymore. - */ - rx_evmX /= 2; /* dbm */ - - evm = rtl819x_evm_dbtopercentage(rx_evmX); - if (i == 0) - /* Fill value in RFD, Get the first spatial - * stream only - */ - pstats->SignalQuality = - precord_stats->SignalQuality = - evm & 0xff; - pstats->RxMIMOSignalQuality[i] = - precord_stats->RxMIMOSignalQuality[i] = - evm & 0xff; - } - - /* record rx statistics for debug */ - rxsc_sgien_exflg = pofdm_buf->rxsc_sgien_exflg; - prxsc = (struct phy_ofdm_rx_status_rxsc_sgien_exintfflag *) - &rxsc_sgien_exflg; - if (pdrvinfo->BW) /* 40M channel */ - priv->stats.received_bwtype[1 + prxsc->rxsc]++; - else /* 20M channel */ - priv->stats.received_bwtype[0]++; - } - - /* UI BSS List signal strength(in percentage), make it good looking, - * from 0~100. It is assigned to the BSS List in - * GetValueFromBeaconOrProbeRsp(). - */ - if (is_cck_rate) { - pstats->SignalStrength = - precord_stats->SignalStrength = - (u8)(rtl819x_signal_scale_mapping((long)pwdb_all)); - } else { - /* We can judge RX path number now. */ - if (rf_rx_num != 0) { - pstats->SignalStrength = - precord_stats->SignalStrength = - (u8)(rtl819x_signal_scale_mapping((long)(total_rssi /= rf_rx_num))); - } - } -} /* QueryRxPhyStatus8190Pci */ - -static void rtl8192_record_rxdesc_forlateruse(struct ieee80211_rx_stats *psrc_stats, - struct ieee80211_rx_stats *ptarget_stats) -{ - ptarget_stats->bIsAMPDU = psrc_stats->bIsAMPDU; - ptarget_stats->bFirstMPDU = psrc_stats->bFirstMPDU; - ptarget_stats->Seq_Num = psrc_stats->Seq_Num; -} - -static void TranslateRxSignalStuff819xUsb(struct sk_buff *skb, - struct ieee80211_rx_stats *pstats, - struct rx_drvinfo_819x_usb *pdrvinfo) -{ - /* TODO: We must only check packet for current MAC address. - * Not finish - */ - struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb; - struct net_device *dev = info->dev; - struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev); - bool bpacket_match_bssid, bpacket_toself; - bool bPacketBeacon = false, bToSelfBA = false; - static struct ieee80211_rx_stats previous_stats; - struct rtl_80211_hdr_3addr *hdr; - u16 fc, type; - - /* Get Signal Quality for only RX data queue (but not command queue) */ - - u8 *tmp_buf; - u8 *praddr; - - /* Get MAC frame start address. */ - tmp_buf = (u8 *)skb->data; - - hdr = (struct rtl_80211_hdr_3addr *)tmp_buf; - fc = le16_to_cpu(hdr->frame_ctl); - type = WLAN_FC_GET_TYPE(fc); - praddr = hdr->addr1; - - /* Check if the received packet is acceptable. */ - bpacket_match_bssid = (type != IEEE80211_FTYPE_CTL) && - (ether_addr_equal(priv->ieee80211->current_network.bssid, (fc & IEEE80211_FCTL_TODS) ? hdr->addr1 : (fc & IEEE80211_FCTL_FROMDS) ? hdr->addr2 : hdr->addr3)) - && (!pstats->bHwError) && (!pstats->bCRC) && (!pstats->bICV); - bpacket_toself = bpacket_match_bssid && - (ether_addr_equal(praddr, priv->ieee80211->dev->dev_addr)); - - if (WLAN_FC_GET_FRAMETYPE(fc) == IEEE80211_STYPE_BEACON) - bPacketBeacon = true; - if (WLAN_FC_GET_FRAMETYPE(fc) == IEEE80211_STYPE_BLOCKACK) { - if ((ether_addr_equal(praddr, dev->dev_addr))) - bToSelfBA = true; - } - - if (bpacket_match_bssid) - priv->stats.numpacket_matchbssid++; - if (bpacket_toself) - priv->stats.numpacket_toself++; - /* Process PHY information for previous packet (RSSI/PWDB/EVM) - * Because phy information is contained in the last packet of AMPDU - * only, so driver should process phy information of previous packet - */ - rtl8192_process_phyinfo(priv, tmp_buf, &previous_stats, pstats); - rtl8192_query_rxphystatus(priv, pstats, pdrvinfo, &previous_stats, - bpacket_match_bssid, bpacket_toself, - bPacketBeacon, bToSelfBA); - rtl8192_record_rxdesc_forlateruse(pstats, &previous_stats); -} - -/* - * Function: UpdateReceivedRateHistogramStatistics - * Overview: Record the received data rate - * - * Input: - * struct net_device *dev - * struct ieee80211_rx_stats *stats - * - * Output: - * - * (priv->stats.ReceivedRateHistogram[] is updated) - * Return: - * None - */ -static void -UpdateReceivedRateHistogramStatistics8190(struct net_device *dev, - struct ieee80211_rx_stats *stats) -{ - struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev); - /* 0: Total, 1:OK, 2:CRC, 3:ICV */ - u32 rcvType = 1; - u32 rateIndex; - /* 1: short preamble/GI, 0: long preamble/GI */ - u32 preamble_guardinterval; - - if (stats->bCRC) - rcvType = 2; - else if (stats->bICV) - rcvType = 3; - - if (stats->bShortPreamble) - preamble_guardinterval = 1; /* short */ - else - preamble_guardinterval = 0; /* long */ - - switch (stats->rate) { - /* CCK rate */ - case MGN_1M: - rateIndex = 0; - break; - case MGN_2M: - rateIndex = 1; - break; - case MGN_5_5M: - rateIndex = 2; - break; - case MGN_11M: - rateIndex = 3; - break; - /* Legacy OFDM rate */ - case MGN_6M: - rateIndex = 4; - break; - case MGN_9M: - rateIndex = 5; - break; - case MGN_12M: - rateIndex = 6; - break; - case MGN_18M: - rateIndex = 7; - break; - case MGN_24M: - rateIndex = 8; - break; - case MGN_36M: - rateIndex = 9; - break; - case MGN_48M: - rateIndex = 10; - break; - case MGN_54M: - rateIndex = 11; - break; - /* 11n High throughput rate */ - case MGN_MCS0: - rateIndex = 12; - break; - case MGN_MCS1: - rateIndex = 13; - break; - case MGN_MCS2: - rateIndex = 14; - break; - case MGN_MCS3: - rateIndex = 15; - break; - case MGN_MCS4: - rateIndex = 16; - break; - case MGN_MCS5: - rateIndex = 17; - break; - case MGN_MCS6: - rateIndex = 18; - break; - case MGN_MCS7: - rateIndex = 19; - break; - case MGN_MCS8: - rateIndex = 20; - break; - case MGN_MCS9: - rateIndex = 21; - break; - case MGN_MCS10: - rateIndex = 22; - break; - case MGN_MCS11: - rateIndex = 23; - break; - case MGN_MCS12: - rateIndex = 24; - break; - case MGN_MCS13: - rateIndex = 25; - break; - case MGN_MCS14: - rateIndex = 26; - break; - case MGN_MCS15: - rateIndex = 27; - break; - default: - rateIndex = 28; - break; - } - priv->stats.received_preamble_GI[preamble_guardinterval][rateIndex]++; - priv->stats.received_rate_histogram[0][rateIndex]++; /* total */ - priv->stats.received_rate_histogram[rcvType][rateIndex]++; -} - -static void query_rxdesc_status(struct sk_buff *skb, - struct ieee80211_rx_stats *stats, - bool bIsRxAggrSubframe) -{ - struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb; - struct net_device *dev = info->dev; - struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev); - struct rx_drvinfo_819x_usb *driver_info = NULL; - - /* Get Rx Descriptor Information */ - struct rx_desc_819x_usb *desc = (struct rx_desc_819x_usb *)skb->data; - - stats->Length = desc->Length; - stats->RxDrvInfoSize = desc->RxDrvInfoSize; - stats->RxBufShift = 0; - stats->bICV = desc->ICV; - stats->bCRC = desc->CRC32; - stats->bHwError = stats->bCRC | stats->bICV; - /* RTL8190 set this bit to indicate that Hw does not decrypt packet */ - stats->Decrypted = !desc->SWDec; - - if ((priv->ieee80211->pHTInfo->bCurrentHTSupport) && - (priv->ieee80211->pairwise_key_type == KEY_TYPE_CCMP)) - stats->bHwError = false; - else - stats->bHwError = stats->bCRC | stats->bICV; - - if (stats->Length < 24 || stats->Length > MAX_8192U_RX_SIZE) - stats->bHwError |= 1; - /* Get Driver Info */ - /* TODO: Need to verify it on FGPA platform - * Driver info are written to the RxBuffer following rx desc - */ - if (stats->RxDrvInfoSize != 0) { - driver_info = (struct rx_drvinfo_819x_usb *)(skb->data - + sizeof(struct rx_desc_819x_usb) - + stats->RxBufShift - ); - /* unit: 0.5M */ - /* TODO */ - if (!stats->bHwError) { - u8 ret_rate; - - ret_rate = HwRateToMRate90(driver_info->RxHT, - driver_info->RxRate); - if (ret_rate == 0xff) { - /* Abnormal Case: Receive CRC OK packet with Rx - * descriptor indicating non supported rate. - * Special Error Handling here - */ - - stats->bHwError = 1; - /* Set 1M rate by default */ - stats->rate = MGN_1M; - } else { - stats->rate = ret_rate; - } - } else { - stats->rate = 0x02; - } - - stats->bShortPreamble = driver_info->SPLCP; - - UpdateReceivedRateHistogramStatistics8190(dev, stats); - - stats->bIsAMPDU = (driver_info->PartAggr == 1); - stats->bFirstMPDU = (driver_info->PartAggr == 1) && - (driver_info->FirstAGGR == 1); - stats->TimeStampLow = driver_info->TSFL; - - UpdateRxPktTimeStamp8190(dev, stats); - - /* Rx A-MPDU */ - if (driver_info->FirstAGGR == 1 || driver_info->PartAggr == 1) - RT_TRACE(COMP_RXDESC, - "driver_info->FirstAGGR = %d, driver_info->PartAggr = %d\n", - driver_info->FirstAGGR, driver_info->PartAggr); - } - - skb_pull(skb, sizeof(struct rx_desc_819x_usb)); - /* Get Total offset of MPDU Frame Body */ - if ((stats->RxBufShift + stats->RxDrvInfoSize) > 0) { - stats->bShift = 1; - skb_pull(skb, stats->RxBufShift + stats->RxDrvInfoSize); - } - - if (driver_info) { - stats->RxIs40MHzPacket = driver_info->BW; - TranslateRxSignalStuff819xUsb(skb, stats, driver_info); - } -} - -static void rtl8192_rx_nomal(struct sk_buff *skb) -{ - struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb; - struct net_device *dev = info->dev; - struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev); - struct ieee80211_rx_stats stats = { - .signal = 0, - .noise = 0x100 - 98, - .rate = 0, - .freq = IEEE80211_24GHZ_BAND, - }; - u32 rx_pkt_len = 0; - struct rtl_80211_hdr_1addr *ieee80211_hdr = NULL; - bool unicast_packet = false; - - /* 20 is for ps-poll */ - if ((skb->len >= (20 + sizeof(struct rx_desc_819x_usb))) && (skb->len < RX_URB_SIZE)) { - /* first packet should not contain Rx aggregation header */ - query_rxdesc_status(skb, &stats, false); - /* TODO */ - /* hardware related info */ - /* Process the MPDU received */ - skb_trim(skb, skb->len - 4/*sCrcLng*/); - - rx_pkt_len = skb->len; - ieee80211_hdr = (struct rtl_80211_hdr_1addr *)skb->data; - unicast_packet = false; - if (is_broadcast_ether_addr(ieee80211_hdr->addr1)) { - /* TODO */ - } else if (is_multicast_ether_addr(ieee80211_hdr->addr1)) { - /* TODO */ - } else { - /* unicast packet */ - unicast_packet = true; - } - - if (!ieee80211_rx(priv->ieee80211, skb, &stats)) { - dev_kfree_skb_any(skb); - } else { - priv->stats.rxoktotal++; - if (unicast_packet) - priv->stats.rxbytesunicast += rx_pkt_len; - } - } else { - priv->stats.rxurberr++; - netdev_dbg(dev, "actual_length: %d\n", skb->len); - dev_kfree_skb_any(skb); - } -} - -static void rtl819xusb_process_received_packet(struct net_device *dev, - struct ieee80211_rx_stats *pstats) -{ - struct r8192_priv *priv = ieee80211_priv(dev); - - /* Get shifted bytes of Starting address of 802.11 header. */ - pstats->virtual_address += get_rxpacket_shiftbytes_819xusb(pstats); -#ifdef TODO /* about HCT */ - if (!Adapter->bInHctTest) - CountRxErrStatistics(Adapter, pRfd); -#endif -#ifdef ENABLE_PS /* for adding ps function in future */ - RT_RF_POWER_STATE rtState; - /* When RF is off, we should not count the packet for hw/sw synchronize - * reason, ie. there may be a duration while sw switch is changed and - * hw switch is being changed. - */ - Adapter->HalFunc.GetHwRegHandler(Adapter, HW_VAR_RF_STATE, - (u8 *)(&rtState)); - if (rtState == eRfOff) - return; -#endif - priv->stats.rxframgment++; - -#ifdef TODO - RmMonitorSignalStrength(Adapter, pRfd); -#endif - /* We have to release RFD and return if rx pkt is cmd pkt. */ - if (rtl819xusb_rx_command_packet(dev, pstats)) - return; - -#ifdef SW_CRC_CHECK - SwCrcCheck(); -#endif -} - -static void query_rx_cmdpkt_desc_status(struct sk_buff *skb, - struct ieee80211_rx_stats *stats) -{ - struct rx_desc_819x_usb *desc = (struct rx_desc_819x_usb *)skb->data; - - /* Get Rx Descriptor Information */ - stats->virtual_address = (u8 *)skb->data; - stats->Length = desc->Length; - stats->RxDrvInfoSize = 0; - stats->RxBufShift = 0; - stats->packetlength = stats->Length - scrclng; - stats->fraglength = stats->packetlength; - stats->fragoffset = 0; - stats->ntotalfrag = 1; -} - -static void rtl8192_rx_cmd(struct sk_buff *skb) -{ - struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb; - struct net_device *dev = info->dev; - /* TODO */ - struct ieee80211_rx_stats stats = { - .signal = 0, - .noise = 0x100 - 98, - .rate = 0, - .freq = IEEE80211_24GHZ_BAND, - }; - - if ((skb->len >= (20 + sizeof(struct rx_desc_819x_usb))) && (skb->len < RX_URB_SIZE)) { - query_rx_cmdpkt_desc_status(skb, &stats); - /* prfd->queue_id = 1; */ - - /* Process the command packet received. */ - - rtl819xusb_process_received_packet(dev, &stats); - - dev_kfree_skb_any(skb); - } -} - -static void rtl8192_irq_rx_tasklet(struct tasklet_struct *t) -{ - struct r8192_priv *priv = from_tasklet(priv, t, irq_rx_tasklet); - struct sk_buff *skb; - struct rtl8192_rx_info *info; - - while (NULL != (skb = skb_dequeue(&priv->skb_queue))) { - info = (struct rtl8192_rx_info *)skb->cb; - switch (info->out_pipe) { - /* Nomal packet pipe */ - case 3: - priv->IrpPendingCount--; - rtl8192_rx_nomal(skb); - break; - - /* Command packet pipe */ - case 9: - RT_TRACE(COMP_RECV, "command in-pipe index(%d)\n", - info->out_pipe); - - rtl8192_rx_cmd(skb); - break; - - default: /* should never get here! */ - RT_TRACE(COMP_ERR, "Unknown in-pipe index(%d)\n", - info->out_pipe); - dev_kfree_skb(skb); - break; - } - } -} - -static const struct net_device_ops rtl8192_netdev_ops = { - .ndo_open = rtl8192_open, - .ndo_stop = rtl8192_close, - .ndo_get_stats = rtl8192_stats, - .ndo_tx_timeout = tx_timeout, - .ndo_do_ioctl = rtl8192_ioctl, - .ndo_set_rx_mode = r8192_set_multicast, - .ndo_set_mac_address = r8192_set_mac_adr, - .ndo_validate_addr = eth_validate_addr, - .ndo_start_xmit = ieee80211_xmit, -}; - -/**************************************************************************** - * ---------------------------- USB_STUFF--------------------------- - *****************************************************************************/ - -static int rtl8192_usb_probe(struct usb_interface *intf, - const struct usb_device_id *id) -{ - struct net_device *dev = NULL; - struct r8192_priv *priv = NULL; - struct usb_device *udev = interface_to_usbdev(intf); - int ret; - - RT_TRACE(COMP_INIT, "Oops: i'm coming\n"); - - dev = alloc_ieee80211(sizeof(struct r8192_priv)); - if (!dev) - return -ENOMEM; - - usb_set_intfdata(intf, dev); - SET_NETDEV_DEV(dev, &intf->dev); - priv = ieee80211_priv(dev); - priv->ieee80211 = netdev_priv(dev); - priv->udev = udev; - - dev->netdev_ops = &rtl8192_netdev_ops; - - dev->wireless_handlers = &r8192_wx_handlers_def; - - dev->type = ARPHRD_ETHER; - - dev->watchdog_timeo = HZ * 3; - - if (dev_alloc_name(dev, ifname) < 0) { - RT_TRACE(COMP_INIT, - "Oops: devname already taken! Trying wlan%%d...\n"); - ifname = "wlan%d"; - dev_alloc_name(dev, ifname); - } - - RT_TRACE(COMP_INIT, "Driver probe completed1\n"); - if (rtl8192_init(dev) != 0) { - RT_TRACE(COMP_ERR, "Initialization failed"); - ret = -ENODEV; - goto fail; - } - netif_carrier_off(dev); - netif_stop_queue(dev); - - ret = register_netdev(dev); - if (ret) - goto fail2; - - RT_TRACE(COMP_INIT, "dev name=======> %s\n", dev->name); - rtl8192_debugfs_init_one(dev); - - RT_TRACE(COMP_INIT, "Driver probe completed\n"); - return 0; - -fail2: - rtl8192_down(dev); -fail: - kfree(priv->pFirmware); - priv->pFirmware = NULL; - rtl8192_usb_deleteendpoints(dev); - msleep(10); - free_ieee80211(dev); - - RT_TRACE(COMP_ERR, "wlan driver load failed\n"); - return ret; -} - -/* detach all the work and timer structure declared or inititialize - * in r8192U_init function. - */ -static void rtl8192_cancel_deferred_work(struct r8192_priv *priv) -{ - cancel_work_sync(&priv->reset_wq); - cancel_delayed_work(&priv->watch_dog_wq); - cancel_delayed_work(&priv->update_beacon_wq); - cancel_work_sync(&priv->qos_activate); -} - -static void rtl8192_usb_disconnect(struct usb_interface *intf) -{ - struct net_device *dev = usb_get_intfdata(intf); - struct r8192_priv *priv = ieee80211_priv(dev); - - - RT_TRACE(COMP_DOWN, "=============>wlan driver to be removed\n"); - rtl8192_debugfs_exit_one(dev); - - unregister_netdev(dev); - - rtl8192_down(dev); - kfree(priv->pFirmware); - priv->pFirmware = NULL; - rtl8192_usb_deleteendpoints(dev); - usleep_range(10000, 11000); - free_ieee80211(dev); - - RT_TRACE(COMP_DOWN, "wlan driver removed\n"); -} - -static int rtl8192_usb_netdev_event(struct notifier_block *nb, unsigned long event, - void *data) -{ - struct net_device *netdev = netdev_notifier_info_to_dev(data); - - if (netdev->netdev_ops != &rtl8192_netdev_ops) - goto out; - - switch (event) { - case NETDEV_CHANGENAME: - rtl8192_debugfs_rename_one(netdev); - break; - default: - break; - } - -out: - return NOTIFY_DONE; -} - -static struct notifier_block rtl8192_usb_netdev_notifier = { - .notifier_call = rtl8192_usb_netdev_event, -}; - -static int __init rtl8192_usb_module_init(void) -{ - int ret; - - pr_info("\nLinux kernel driver for RTL8192 based WLAN cards\n"); - pr_info("Copyright (c) 2007-2008, Realsil Wlan\n"); - RT_TRACE(COMP_INIT, "Initializing module"); - RT_TRACE(COMP_INIT, "Wireless extensions version %d", WIRELESS_EXT); - - ret = register_netdevice_notifier(&rtl8192_usb_netdev_notifier); - if (ret) { - pr_err("register_netdevice_notifier failed %d\n", ret); - return ret; - } - - rtl8192_debugfs_init(); - ret = ieee80211_debug_init(); - if (ret) { - pr_err("ieee80211_debug_init() failed %d\n", ret); - goto debugfs_exit; - } - - ret = ieee80211_crypto_init(); - if (ret) { - pr_err("ieee80211_crypto_init() failed %d\n", ret); - goto debug_exit; - } - - ret = ieee80211_crypto_tkip_init(); - if (ret) { - pr_err("ieee80211_crypto_tkip_init() failed %d\n", ret); - goto crypto_exit; - } - - ret = ieee80211_crypto_ccmp_init(); - if (ret) { - pr_err("ieee80211_crypto_ccmp_init() failed %d\n", ret); - goto crypto_tkip_exit; - } - - ret = ieee80211_crypto_wep_init(); - if (ret) { - pr_err("ieee80211_crypto_wep_init() failed %d\n", ret); - goto crypto_ccmp_exit; - } - - ret = usb_register(&rtl8192_usb_driver); - if (ret) - goto crypto_wep_exit; - return ret; - -crypto_wep_exit: - ieee80211_crypto_wep_exit(); -crypto_ccmp_exit: - ieee80211_crypto_ccmp_exit(); -crypto_tkip_exit: - ieee80211_crypto_tkip_exit(); -crypto_exit: - ieee80211_crypto_deinit(); -debug_exit: - ieee80211_debug_exit(); -debugfs_exit: - rtl8192_debugfs_exit(); - unregister_netdevice_notifier(&rtl8192_usb_netdev_notifier); - return ret; -} - -static void __exit rtl8192_usb_module_exit(void) -{ - usb_deregister(&rtl8192_usb_driver); - ieee80211_crypto_wep_exit(); - ieee80211_crypto_ccmp_exit(); - ieee80211_crypto_tkip_exit(); - ieee80211_crypto_deinit(); - ieee80211_debug_exit(); - rtl8192_debugfs_exit(); - unregister_netdevice_notifier(&rtl8192_usb_netdev_notifier); - RT_TRACE(COMP_DOWN, "Exiting"); -} - -void EnableHWSecurityConfig8192(struct net_device *dev) -{ - u8 SECR_value = 0x0; - struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev); - struct ieee80211_device *ieee = priv->ieee80211; - - SECR_value = SCR_TxEncEnable | SCR_RxDecEnable; - if (((ieee->pairwise_key_type == KEY_TYPE_WEP40) || (ieee->pairwise_key_type == KEY_TYPE_WEP104)) && (priv->ieee80211->auth_mode != 2)) { - SECR_value |= SCR_RxUseDK; - SECR_value |= SCR_TxUseDK; - } else if ((ieee->iw_mode == IW_MODE_ADHOC) && (ieee->pairwise_key_type & (KEY_TYPE_CCMP | KEY_TYPE_TKIP))) { - SECR_value |= SCR_RxUseDK; - SECR_value |= SCR_TxUseDK; - } - /* add HWSec active enable here. - * default using hwsec. when peer AP is in N mode only and - * pairwise_key_type is none_aes(which HT_IOT_ACT_PURE_N_MODE indicates - * it), use software security. when peer AP is in b,g,n mode mixed and - * pairwise_key_type is none_aes, use g mode hw security. - */ - - ieee->hwsec_active = 1; - - /* add hwsec_support flag to totol control hw_sec on/off */ - if ((ieee->pHTInfo->IOTAction & HT_IOT_ACT_PURE_N_MODE) || !hwwep) { - ieee->hwsec_active = 0; - SECR_value &= ~SCR_RxDecEnable; - } - RT_TRACE(COMP_SEC, "%s:, hwsec:%d, pairwise_key:%d, SECR_value:%x\n", - __func__, ieee->hwsec_active, ieee->pairwise_key_type, - SECR_value); - write_nic_byte(dev, SECR, SECR_value); -} - -void setKey(struct net_device *dev, u8 entryno, u8 keyindex, u16 keytype, - const u8 *macaddr, u8 defaultkey, u32 *keycontent) -{ - u32 target_command = 0; - u32 target_content = 0; - u16 us_config = 0; - u8 i; - - if (entryno >= TOTAL_CAM_ENTRY) - RT_TRACE(COMP_ERR, "cam entry exceeds in %s\n", __func__); - - RT_TRACE(COMP_SEC, - "====>to %s, dev:%p, EntryNo:%d, KeyIndex:%d, KeyType:%d, MacAddr%pM\n", - __func__, dev, entryno, keyindex, keytype, macaddr); - - if (defaultkey) - us_config |= BIT(15) | (keytype << 2); - else - us_config |= BIT(15) | (keytype << 2) | keyindex; - - for (i = 0; i < CAM_CONTENT_COUNT; i++) { - target_command = i + CAM_CONTENT_COUNT * entryno; - target_command |= BIT(31) | BIT(16); - - if (i == 0) { /* MAC|Config */ - target_content = (u32)(*(macaddr + 0)) << 16 | - (u32)(*(macaddr + 1)) << 24 | - (u32)us_config; - - write_nic_dword(dev, WCAMI, target_content); - write_nic_dword(dev, RWCAM, target_command); - } else if (i == 1) { /* MAC */ - target_content = (u32)(*(macaddr + 2)) | - (u32)(*(macaddr + 3)) << 8 | - (u32)(*(macaddr + 4)) << 16 | - (u32)(*(macaddr + 5)) << 24; - write_nic_dword(dev, WCAMI, target_content); - write_nic_dword(dev, RWCAM, target_command); - } else { - /* Key Material */ - if (keycontent) { - write_nic_dword(dev, WCAMI, - *(keycontent + i - 2)); - write_nic_dword(dev, RWCAM, target_command); - } - } - } -} - -/*************************************************************************** - * ------------------- module init / exit stubs ---------------- - ****************************************************************************/ -module_init(rtl8192_usb_module_init); -module_exit(rtl8192_usb_module_exit); |