diff options
Diffstat (limited to 'drivers/staging/rtl8192u/r8192U_core.c')
| -rw-r--r-- | drivers/staging/rtl8192u/r8192U_core.c | 1980 |
1 files changed, 1146 insertions, 834 deletions
diff --git a/drivers/staging/rtl8192u/r8192U_core.c b/drivers/staging/rtl8192u/r8192U_core.c index 6f6fe38081bc..e06864f64beb 100644 --- a/drivers/staging/rtl8192u/r8192U_core.c +++ b/drivers/staging/rtl8192u/r8192U_core.c @@ -37,17 +37,17 @@ unsigned int __fixunsdfsi(double d) double __adddf3(double a, double b) { - return a+b; + return a + b; } double __addsf3(float a, float b) { - return a+b; + return a + b; } double __subdf3(double a, double b) { - return a-b; + return a - b; } double __extendsfdf2(float a) @@ -58,13 +58,13 @@ double __extendsfdf2(float a) #define CONFIG_RTL8192_IO_MAP -#include <asm/uaccess.h> +#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" //added by WB 4.30.2008 +#include "r819xU_phy.h" #include "r819xU_phyreg.h" #include "r819xU_cmdpkt.h" #include "r8192U_dm.h" @@ -72,13 +72,13 @@ double __extendsfdf2(float a) #include <linux/slab.h> #include <linux/proc_fs.h> #include <linux/seq_file.h> -// FIXME: check if 2.6.7 is ok +/* FIXME: check if 2.6.7 is ok */ #include "dot11d.h" -//set here to open your trace code. //WB +/* set here to open your trace code. */ u32 rt_global_debug_component = COMP_DOWN | COMP_SEC | - COMP_ERR; //always open err flags on + COMP_ERR; /* always open err flags on */ #define TOTAL_CAM_ENTRY 32 #define CAM_CONTENT_COUNT 8 @@ -109,14 +109,14 @@ 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 +static int hwwep = 1; /* default use hw. set 0 to use software security */ static int channels = 0x3fff; -module_param(ifname, charp, S_IRUGO|S_IWUSR); -module_param(hwwep, int, S_IRUGO|S_IWUSR); -module_param(channels, int, S_IRUGO|S_IWUSR); +module_param(ifname, charp, S_IRUGO | S_IWUSR); +module_param(hwwep, int, S_IRUGO | S_IWUSR); +module_param(channels, int, S_IRUGO | S_IWUSR); MODULE_PARM_DESC(ifname, " Net interface name, wlan%d=default"); MODULE_PARM_DESC(hwwep, " Try to use hardware security support. "); @@ -143,23 +143,35 @@ struct CHANNEL_LIST { }; static struct CHANNEL_LIST ChannelPlan[] = { - {{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}, //FCC - {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11}, 11}, //IC - {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 36, 40, 44, 48, 52, 56, 60, 64}, 21}, //ETSI - {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, 13}, //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, 14, 36, 40, 44, 48, 52, 56, 60, 64}, 22}, //MKK //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}, 13}, //Israel. - {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52, 56, 60, 64}, 22}, // 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}, 14} //For Global Domain. 1-11:active scan, 12-14 passive scan. //+YJ, 080626 + /* 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: @@ -173,17 +185,20 @@ static void rtl819x_set_channel_map(u8 channel_plan, struct r8192_priv *priv) case COUNTRY_CODE_MIC: Dot11d_Init(ieee); ieee->bGlobalDomain = false; - //actually 8225 & 8256 rf chips only support B,G,24N mode + /* 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__); + 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 + /* 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; @@ -193,7 +208,10 @@ static void rtl819x_set_channel_map(u8 channel_plan, struct r8192_priv *priv) break; case COUNTRY_CODE_GLOBAL_DOMAIN: - GET_DOT11D_INFO(ieee)->bEnabled = 0;//this flag enabled to follow 11d country IE setting, otherwise, it shall follow global domain settings. + /* this flag enabled to follow 11d country IE setting, + * otherwise, it shall follow global domain settings. + */ + GET_DOT11D_INFO(ieee)->bEnabled = 0; Dot11d_Reset(ieee); ieee->bGlobalDomain = true; break; @@ -209,10 +227,13 @@ static void rtl819x_set_channel_map(u8 channel_plan, struct r8192_priv *priv) static void CamResetAllEntry(struct net_device *dev) { u32 ulcommand = 0; - //2004/02/11 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 |= BIT31|BIT30; + /* 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); } @@ -221,14 +242,14 @@ static void CamResetAllEntry(struct net_device *dev) void write_cam(struct net_device *dev, u8 addr, u32 data) { write_nic_dword(dev, WCAMI, data); - write_nic_dword(dev, RWCAM, BIT31|BIT16|(addr&0xff)); + write_nic_dword(dev, RWCAM, BIT(31) | BIT(16) | (addr & 0xff)); } u32 read_cam(struct net_device *dev, u8 addr) { u32 data; - write_nic_dword(dev, RWCAM, 0x80000000|(addr&0xff)); + write_nic_dword(dev, RWCAM, 0x80000000 | (addr & 0xff)); read_nic_dword(dev, 0xa8, &data); return data; } @@ -238,13 +259,20 @@ void 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; + *usbdata = data; status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE, - indx|0xfe00, 0, &data, 1, HZ / 2); + indx | 0xfe00, 0, usbdata, 1, HZ / 2); + kfree(usbdata); if (status < 0) - netdev_err(dev, "write_nic_byte_E TimeOut! status: %d\n", status); + netdev_err(dev, "write_nic_byte_E TimeOut! status: %d\n", + status); } int read_nic_byte_E(struct net_device *dev, int indx, u8 *data) @@ -252,10 +280,16 @@ 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, data, 1, HZ / 2); + indx | 0xfe00, 0, usbdata, 1, HZ / 2); + *data = *usbdata; + kfree(usbdata); if (status < 0) { netdev_err(dev, "%s failure status: %d\n", __func__, status); @@ -264,17 +298,24 @@ int read_nic_byte_E(struct net_device *dev, int indx, u8 *data) return 0; } -//as 92U has extend page from 4 to 16, so modify functions below. +/* as 92U has extend page from 4 to 16, so modify functions below. */ void 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; + *usbdata = data; status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE, - (indx&0xff)|0xff00, (indx>>8)&0x0f, &data, 1, HZ / 2); + (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f, + usbdata, 1, HZ / 2); + kfree(usbdata); if (status < 0) netdev_err(dev, "write_nic_byte TimeOut! status: %d\n", status); @@ -290,10 +331,17 @@ void write_nic_word(struct net_device *dev, int indx, u16 data) 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; + *usbdata = data; status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE, - (indx&0xff)|0xff00, (indx>>8)&0x0f, &data, 2, HZ / 2); + (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f, + usbdata, 2, HZ / 2); + kfree(usbdata); if (status < 0) netdev_err(dev, "write_nic_word TimeOut! status: %d\n", status); @@ -308,14 +356,22 @@ void write_nic_dword(struct net_device *dev, int indx, u32 data) 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; + *usbdata = data; status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE, - (indx&0xff)|0xff00, (indx>>8)&0x0f, &data, 4, HZ / 2); + (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f, + usbdata, 4, HZ / 2); + kfree(usbdata); if (status < 0) - netdev_err(dev, "write_nic_dword TimeOut! status: %d\n", status); + netdev_err(dev, "write_nic_dword TimeOut! status: %d\n", + status); } @@ -326,10 +382,17 @@ 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, data, 1, HZ / 2); + (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f, + usbdata, 1, HZ / 2); + *data = *usbdata; + kfree(usbdata); if (status < 0) { netdev_err(dev, "%s failure status: %d\n", __func__, status); @@ -346,11 +409,17 @@ 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, - data, 2, HZ / 2); + (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f, + usbdata, 2, HZ / 2); + *data = *usbdata; + kfree(usbdata); if (status < 0) { netdev_err(dev, "%s failure status: %d\n", __func__, status); @@ -365,10 +434,16 @@ 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, data, 2, HZ / 2); + indx | 0xfe00, 0, usbdata, 2, HZ / 2); + *data = *usbdata; + kfree(usbdata); if (status < 0) { netdev_err(dev, "%s failure status: %d\n", __func__, status); @@ -384,11 +459,17 @@ int read_nic_dword(struct net_device *dev, int indx, u32 *data) 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, - data, 4, HZ / 2); + (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f, + usbdata, 4, HZ / 2); + *data = *usbdata; + kfree(usbdata); if (status < 0) { netdev_err(dev, "%s failure status: %d\n", __func__, status); @@ -427,6 +508,7 @@ static int proc_get_stats_ap(struct seq_file *m, void *v) list_for_each_entry(target, &ieee->network_list, list) { const char *wpa = "non_WPA"; + if (target->wpa_ie_len > 0 || target->rsn_ie_len > 0) wpa = "WPA"; @@ -448,7 +530,7 @@ static int proc_get_registers(struct seq_file *m, void *v) seq_printf(m, "\nD: %2x > ", n); for (i = 0; i < 16 && n <= max; i++, n++) { - read_nic_byte(dev, 0x000|n, &byte_rd); + read_nic_byte(dev, 0x000 | n, &byte_rd); seq_printf(m, "%2x ", byte_rd); } } @@ -458,7 +540,7 @@ static int proc_get_registers(struct seq_file *m, void *v) seq_printf(m, "\nD: %2x > ", n); for (i = 0; i < 16 && n <= max; i++, n++) { - read_nic_byte(dev, 0x100|n, &byte_rd); + read_nic_byte(dev, 0x100 | n, &byte_rd); seq_printf(m, "%2x ", byte_rd); } } @@ -468,7 +550,7 @@ static int proc_get_registers(struct seq_file *m, void *v) seq_printf(m, "\nD: %2x > ", n); for (i = 0; i < 16 && n <= max; i++, n++) { - read_nic_byte(dev, 0x300|n, &byte_rd); + read_nic_byte(dev, 0x300 | n, &byte_rd); seq_printf(m, "%2x ", byte_rd); } } @@ -600,7 +682,8 @@ static void rtl8192_proc_init_one(struct net_device *dev) if (rtl8192_proc) { dir = proc_mkdir_data(dev->name, 0, rtl8192_proc, dev); if (!dir) { - RT_TRACE(COMP_ERR, "Unable to initialize /proc/net/rtl8192/%s\n", + RT_TRACE(COMP_ERR, + "Unable to initialize /proc/net/rtl8192/%s\n", dev->name); return; } @@ -608,8 +691,8 @@ static void rtl8192_proc_init_one(struct net_device *dev) for (f = rtl8192_proc_files; f->name[0]; f++) { if (!proc_create_data(f->name, S_IFREG | S_IRUGO, dir, &rtl8192_proc_fops, f->show)) { - RT_TRACE(COMP_ERR, "Unable to initialize " - "/proc/net/rtl8192/%s/%s\n", + RT_TRACE(COMP_ERR, + "Unable to initialize /proc/net/rtl8192/%s/%s\n", dev->name, f->name); return; } @@ -657,14 +740,14 @@ void rtl8192_update_msr(struct net_device *dev) if (priv->ieee80211->state == IEEE80211_LINKED) { if (priv->ieee80211->iw_mode == IW_MODE_INFRA) - msr |= (MSR_LINK_MANAGED<<MSR_LINK_SHIFT); + msr |= (MSR_LINK_MANAGED << MSR_LINK_SHIFT); else if (priv->ieee80211->iw_mode == IW_MODE_ADHOC) - msr |= (MSR_LINK_ADHOC<<MSR_LINK_SHIFT); + msr |= (MSR_LINK_ADHOC << MSR_LINK_SHIFT); else if (priv->ieee80211->iw_mode == IW_MODE_MASTER) - msr |= (MSR_LINK_MASTER<<MSR_LINK_SHIFT); + msr |= (MSR_LINK_MASTER << MSR_LINK_SHIFT); } else { - msr |= (MSR_LINK_NONE<<MSR_LINK_SHIFT); + msr |= (MSR_LINK_NONE << MSR_LINK_SHIFT); } write_nic_byte(dev, MSR, msr); @@ -673,12 +756,13 @@ void rtl8192_update_msr(struct net_device *dev) 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 WB + /* need to implement rf set channel here */ if (priv->rf_set_chan) priv->rf_set_chan(dev, priv->chan); @@ -712,12 +796,13 @@ static int rtl8192_rx_initiate(struct net_device *dev) break; } usb_fill_bulk_urb(entry, priv->udev, - usb_rcvbulkpipe(priv->udev, 3), skb_tail_pointer(skb), + usb_rcvbulkpipe(priv->udev, 3), + skb_tail_pointer(skb), RX_URB_SIZE, rtl8192_rx_isr, skb); - info = (struct rtl8192_rx_info *) skb->cb; + info = (struct rtl8192_rx_info *)skb->cb; info->urb = entry; info->dev = dev; - info->out_pipe = 3; //denote rx normal packet queue + info->out_pipe = 3; /* denote rx normal packet queue */ skb_queue_tail(&priv->rx_queue, skb); usb_submit_urb(entry, GFP_KERNEL); } @@ -733,12 +818,13 @@ static int rtl8192_rx_initiate(struct net_device *dev) break; } usb_fill_bulk_urb(entry, priv->udev, - usb_rcvbulkpipe(priv->udev, 9), skb_tail_pointer(skb), + usb_rcvbulkpipe(priv->udev, 9), + skb_tail_pointer(skb), RX_URB_SIZE, rtl8192_rx_isr, skb); - info = (struct rtl8192_rx_info *) skb->cb; + info = (struct rtl8192_rx_info *)skb->cb; info->urb = entry; info->dev = dev; - info->out_pipe = 9; //denote rx cmd packet queue + info->out_pipe = 9; /* denote rx cmd packet queue */ skb_queue_tail(&priv->rx_queue, skb); usb_submit_urb(entry, GFP_KERNEL); } @@ -780,15 +866,15 @@ void rtl8192_set_rxconf(struct net_device *dev) rxconf = rxconf & ~RX_FIFO_THRESHOLD_MASK; - rxconf = rxconf | (RX_FIFO_THRESHOLD_NONE<<RX_FIFO_THRESHOLD_SHIFT); + 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 | ((u32)7 << RCR_MXDMA_OFFSET); rxconf = rxconf | RCR_ONLYERLPKT; write_nic_dword(dev, RCR, rxconf); } -//wait to be removed +/* wait to be removed */ void rtl8192_rx_enable(struct net_device *dev) { rtl8192_rx_initiate(dev); @@ -809,12 +895,12 @@ void rtl8192_rtx_disable(struct net_device *dev) struct rtl8192_rx_info *info; read_nic_byte(dev, CMDR, &cmd); - write_nic_byte(dev, CMDR, cmd & ~(CR_TE|CR_RE)); + 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; + info = (struct rtl8192_rx_info *)skb->cb; if (!info->urb) continue; @@ -872,14 +958,16 @@ inline u16 rtl8192_rate2rate(short rate) /* 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 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++; @@ -902,10 +990,11 @@ static void rtl8192_rx_isr(struct urb *urb) } usb_fill_bulk_urb(urb, priv->udev, - usb_rcvbulkpipe(priv->udev, out_pipe), skb_tail_pointer(skb), + 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 = (struct rtl8192_rx_info *)skb->cb; info->urb = urb; info->dev = dev; info->out_pipe = out_pipe; @@ -915,7 +1004,9 @@ static void rtl8192_rx_isr(struct urb *urb) 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); + 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, @@ -933,19 +1024,20 @@ static u32 rtl819xusb_rx_command_packet(struct net_device *dev, static void rtl8192_data_hard_stop(struct net_device *dev) { - //FIXME !! + /* FIXME !! */ } static void rtl8192_data_hard_resume(struct net_device *dev) { - // FIXME !! + /* 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) +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); int ret; @@ -987,8 +1079,6 @@ static int rtl8192_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) skb_push(skb, USB_HWDESC_HEADER_LEN); rtl819xU_tx_cmd(dev, skb); ret = 1; - spin_unlock_irqrestore(&priv->tx_lock, flags); - return ret; } else { skb_push(skb, priv->ieee80211->tx_headroom); ret = rtl8192_tx(dev, skb); @@ -999,9 +1089,6 @@ static int rtl8192_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) return ret; } - -void rtl8192_try_wake_queue(struct net_device *dev, int pri); - static void rtl8192_tx_isr(struct urb *tx_urb) { struct sk_buff *skb = (struct sk_buff *)tx_urb->context; @@ -1017,7 +1104,8 @@ static void rtl8192_tx_isr(struct urb *tx_urb) dev->trans_start = jiffies; priv->stats.txoktotal++; priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++; - priv->stats.txbytesunicast += (skb->len - priv->ieee80211->tx_headroom); + priv->stats.txbytesunicast += + (skb->len - priv->ieee80211->tx_headroom); } else { priv->ieee80211->stats.tx_errors++; /* TODO */ @@ -1031,16 +1119,17 @@ static void rtl8192_tx_isr(struct 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 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) { @@ -1049,9 +1138,10 @@ static void rtl8192_tx_isr(struct urb *tx_urb) (!(priv->ieee80211->queue_stop))) { skb = skb_dequeue(&(priv->ieee80211->skb_waitQ[queue_index])); if (skb) - priv->ieee80211->softmac_hard_start_xmit(skb, dev); + priv->ieee80211->softmac_hard_start_xmit(skb, + dev); - return; //modified by david to avoid further processing AMSDU + return; /* avoid further processing AMSDU */ } } @@ -1062,10 +1152,11 @@ 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; + basic_rate = net->rates[i] & 0x7f; switch (basic_rate) { case MGN_1M: *rate_config |= RRSR_1M; @@ -1106,7 +1197,7 @@ static void rtl8192_config_rate(struct net_device *dev, u16 *rate_config) } } for (i = 0; i < net->rates_ex_len; i++) { - basic_rate = net->rates_ex[i]&0x7f; + basic_rate = net->rates_ex[i] & 0x7f; switch (basic_rate) { case MGN_1M: *rate_config |= RRSR_1M; @@ -1157,17 +1248,21 @@ 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)) { + 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 */ + + if ((cap & WLAN_CAPABILITY_SHORT_SLOT) && + (!priv->ieee80211->pHTInfo->bCurrentRT2RTLongSlotTime)) + /* short slot time */ slot_time = SHORT_SLOT_TIME; - else //long 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); @@ -1181,13 +1276,14 @@ static void rtl8192_net_update(struct net_device *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]); + write_nic_word(dev, BSSIDR + 4, ((u16 *)net->bssid)[2]); rtl8192_update_msr(dev); if (priv->ieee80211->iw_mode == IW_MODE_ADHOC) { @@ -1196,9 +1292,9 @@ static void rtl8192_net_update(struct net_device *dev) 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; + 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); } @@ -1207,8 +1303,9 @@ static void rtl8192_net_update(struct net_device *dev) } -//temporary hw beacon is not used any more. -//open it when necessary +/* temporary hw beacon is not used any more. + * open it when necessary + */ void rtl819xusb_beacon_tx(struct net_device *dev, u16 tx_rate) { @@ -1221,53 +1318,6 @@ inline u8 rtl8192_IsWirelessBMode(u16 rate) return 0; } -u16 N_DBPSOfRate(u16 DataRate); - - -u16 N_DBPSOfRate(u16 DataRate) -{ - u16 N_DBPS = 24; - - switch (DataRate) { - case 60: - N_DBPS = 24; - break; - - case 90: - N_DBPS = 36; - break; - - case 120: - N_DBPS = 48; - break; - - case 180: - N_DBPS = 72; - break; - - case 240: - N_DBPS = 96; - break; - - case 360: - N_DBPS = 144; - break; - - case 480: - N_DBPS = 192; - break; - - case 540: - N_DBPS = 216; - break; - - default: - break; - } - - return N_DBPS; -} - short rtl819xU_tx_cmd(struct net_device *dev, struct sk_buff *skb) { struct r8192_priv *priv = ieee80211_priv(dev); @@ -1287,28 +1337,29 @@ short rtl819xU_tx_cmd(struct net_device *dev, struct sk_buff *skb) memset(pdesc, 0, USB_HWDESC_HEADER_LEN); /* Tx descriptor ought to be set according to the skb->cb */ - pdesc->FirstSeg = 1;//bFirstSeg; - pdesc->LastSeg = 1;//bLastSeg; + 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. - //---------------------------------------------------------------------------- + /*--------------------------------------------------------------------- + * Fill up USB_OUT_CONTEXT. + *--------------------------------------------------------------------- + */ idx_pipe = 0x04; - usb_fill_bulk_urb(tx_urb, priv->udev, usb_sndbulkpipe(priv->udev, idx_pipe), + 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) { + if (!status) return 0; - } else { - DMESGE("Error TX CMD URB, error %d", status); - return -1; - } + + DMESGE("Error TX CMD URB, error %d", status); + return -1; } /* @@ -1320,7 +1371,7 @@ short rtl819xU_tx_cmd(struct net_device *dev, struct sk_buff *skb) */ static u8 MapHwQueueToFirmwareQueue(u8 QueueID) { - u8 QueueSelect = 0x0; //defualt set to + u8 QueueSelect = 0x0; /* defualt set to */ switch (QueueID) { case BE_QUEUE: @@ -1346,8 +1397,8 @@ static u8 MapHwQueueToFirmwareQueue(u8 QueueID) QueueSelect = QSLT_BEACON; break; - // TODO: 2006.10.30 mark other queue selection until we verify it is OK - // TODO: Remove Assertions + /* TODO: mark other queue selection until we verify it is OK */ + /* TODO: Remove Assertions */ case TXCMD_QUEUE: QueueSelect = QSLT_CMD; break; @@ -1356,7 +1407,9 @@ static u8 MapHwQueueToFirmwareQueue(u8 QueueID) break; default: - RT_TRACE(COMP_ERR, "TransmitTCB(): Impossible Queue Selection: %d \n", QueueID); + RT_TRACE(COMP_ERR, + "TransmitTCB(): Impossible Queue Selection: %d\n", + QueueID); break; } return QueueSelect; @@ -1453,7 +1506,7 @@ static u8 MRateToHwRate8190Pci(u8 rate) case MGN_MCS15: ret = DESC90_RATEMCS15; break; - case (0x80|0x20): + case (0x80 | 0x20): ret = DESC90_RATEMCS32; break; @@ -1468,7 +1521,9 @@ static u8 QueryIsShort(u8 TxHT, u8 TxRate, cb_desc *tcb_desc) { u8 tmp_Short; - tmp_Short = (TxHT == 1) ? ((tcb_desc->bUseShortGI) ? 1 : 0) : ((tcb_desc->bUseShortPreamble) ? 1 : 0); + tmp_Short = (TxHT == 1) ? + ((tcb_desc->bUseShortGI) ? 1 : 0) : + ((tcb_desc->bUseShortPreamble) ? 1 : 0); if (TxHT == 1 && TxRate != DESC90_RATEMCS15) tmp_Short = 0; @@ -1478,7 +1533,6 @@ static u8 QueryIsShort(u8 TxHT, u8 TxRate, cb_desc *tcb_desc) static void tx_zero_isr(struct urb *tx_urb) { - return; } /* @@ -1491,12 +1545,14 @@ short rtl8192_tx(struct net_device *dev, struct sk_buff *skb) struct r8192_priv *priv = ieee80211_priv(dev); cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE); tx_desc_819x_usb *tx_desc = (tx_desc_819x_usb *)skb->data; - tx_fwinfo_819x_usb *tx_fwinfo = (tx_fwinfo_819x_usb *)(skb->data + USB_HWDESC_HEADER_LEN); + tx_fwinfo_819x_usb *tx_fwinfo = + (tx_fwinfo_819x_usb *)(skb->data + USB_HWDESC_HEADER_LEN); struct usb_device *udev = priv->udev; int pend; int status; 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 @@ -1517,15 +1573,16 @@ short rtl8192_tx(struct net_device *dev, struct sk_buff *skb) /* Fill Tx firmware info */ memset(tx_fwinfo, 0, sizeof(tx_fwinfo_819x_usb)); /* DWORD 0 */ - tx_fwinfo->TxHT = (tcb_desc->data_rate&0x80) ? 1 : 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); + 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;//ampdudensity + tx_fwinfo->RxAMD = tcb_desc->ampdu_density & 0x07; } else { tx_fwinfo->AllowAggregation = 0; /* DWORD 1 */ @@ -1537,18 +1594,19 @@ short rtl8192_tx(struct net_device *dev, struct sk_buff *skb) 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->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); + (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; - tx_fwinfo->TxSubCarrier = 0; //By SD3's Jerry suggestion, use duplicated mode + /* use duplicated mode */ + tx_fwinfo->TxSubCarrier = 0; } else { tx_fwinfo->TxBandwidth = 0; tx_fwinfo->TxSubCarrier = priv->nCur40MhzPrimeSC; @@ -1599,8 +1657,10 @@ short rtl8192_tx(struct net_device *dev, struct sk_buff *skb) 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 + /* 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; @@ -1616,9 +1676,14 @@ short rtl8192_tx(struct net_device *dev, struct sk_buff *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. WB. 2008.08.27 + /* 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; @@ -1629,43 +1694,49 @@ short rtl8192_tx(struct net_device *dev, struct sk_buff *skb) if (bSend0Byte) { tx_urb_zero = usb_alloc_urb(0, GFP_ATOMIC); if (!tx_urb_zero) { - RT_TRACE(COMP_ERR, "can't alloc urb for zero byte\n"); + RT_TRACE(COMP_ERR, + "can't alloc urb for zero byte\n"); return -ENOMEM; } usb_fill_bulk_urb(tx_urb_zero, udev, - usb_sndbulkpipe(udev, idx_pipe), &zero, - 0, tx_zero_isr, dev); + 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); + RT_TRACE(COMP_ERR, + "Error TX URB for zero byte %d, error %d", + atomic_read(&priv->tx_pending[tcb_desc->queue_index]), + status); return -1; } } dev->trans_start = jiffies; atomic_inc(&priv->tx_pending[tcb_desc->queue_index]); return 0; - } else { - RT_TRACE(COMP_ERR, "Error TX URB %d, error %d", atomic_read(&priv->tx_pending[tcb_desc->queue_index]), - status); - return -1; } + + RT_TRACE(COMP_ERR, "Error TX URB %d, error %d", + atomic_read(&priv->tx_pending[tcb_desc->queue_index]), + status); + return -1; } static short rtl8192_usb_initendpoints(struct net_device *dev) { struct r8192_priv *priv = ieee80211_priv(dev); - priv->rx_urb = kmalloc(sizeof(struct urb *) * (MAX_RX_URB+1), + priv->rx_urb = kmalloc(sizeof(struct urb *) * (MAX_RX_URB + 1), GFP_KERNEL); if (priv->rx_urb == NULL) return -ENOMEM; #ifndef JACKSON_NEW_RX - for (i = 0; i < (MAX_RX_URB+1); i++) { + for (i = 0; i < (MAX_RX_URB + 1); i++) { priv->rx_urb[i] = usb_alloc_urb(0, GFP_KERNEL); - priv->rx_urb[i]->transfer_buffer = kmalloc(RX_URB_SIZE, GFP_KERNEL); + priv->rx_urb[i]->transfer_buffer = + kmalloc(RX_URB_SIZE, GFP_KERNEL); priv->rx_urb[i]->transfer_buffer_length = RX_URB_SIZE; } @@ -1715,7 +1786,7 @@ static void rtl8192_usb_deleteendpoints(struct net_device *dev) struct r8192_priv *priv = ieee80211_priv(dev); if (priv->rx_urb) { - for (i = 0; i < (MAX_RX_URB+1); i++) { + for (i = 0; i < (MAX_RX_URB + 1); i++) { usb_kill_urb(priv->rx_urb[i]); usb_free_urb(priv->rx_urb[i]); } @@ -1724,10 +1795,9 @@ static void rtl8192_usb_deleteendpoints(struct net_device *dev) } kfree(priv->oldaddr); priv->oldaddr = NULL; - if (priv->pp_rxskb) { - kfree(priv->pp_rxskb); - priv->pp_rxskb = NULL; - } + + kfree(priv->pp_rxskb); + priv->pp_rxskb = NULL; } #else void rtl8192_usb_deleteendpoints(struct net_device *dev) @@ -1738,7 +1808,7 @@ void rtl8192_usb_deleteendpoints(struct net_device *dev) #ifndef JACKSON_NEW_RX if (priv->rx_urb) { - for (i = 0; i < (MAX_RX_URB+1); i++) { + 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]); @@ -1752,11 +1822,9 @@ void rtl8192_usb_deleteendpoints(struct net_device *dev) priv->rx_urb = NULL; kfree(priv->oldaddr); priv->oldaddr = NULL; - if (priv->pp_rxskb) { - kfree(priv->pp_rxskb); - priv->pp_rxskb = 0; - } + kfree(priv->pp_rxskb); + priv->pp_rxskb = 0; #endif } @@ -1767,16 +1835,22 @@ 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. WB.2008.07.08 - if ((KEY_TYPE_WEP40 == ieee->pairwise_key_type) || (KEY_TYPE_WEP104 == ieee->pairwise_key_type)) + /* 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 (KEY_TYPE_WEP40 == ieee->pairwise_key_type || + KEY_TYPE_WEP104 == ieee->pairwise_key_type) 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; @@ -1797,25 +1871,30 @@ static struct ieee80211_qos_parameters def_qos_parameters = { static void rtl8192_update_beacon(struct work_struct *work) { - struct r8192_priv *priv = container_of(work, struct r8192_priv, update_beacon_wq.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; + 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 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 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; + struct ieee80211_qos_parameters *qos_parameters = + &priv->ieee80211->current_network.qos_data.parameters; u8 mode = priv->ieee80211->current_network.mode; u32 u1bAIFS; u32 u4bAcParam; @@ -1827,13 +1906,18 @@ static void rtl8192_qos_activate(struct work_struct *work) 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 */ + 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; + /* 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; @@ -1859,7 +1943,7 @@ static int rtl8192_qos_handle_probe_response(struct r8192_priv *priv, if (priv->ieee80211->state != IEEE80211_LINKED) return ret; - if ((priv->ieee80211->iw_mode != IW_MODE_INFRA)) + if (priv->ieee80211->iw_mode != IW_MODE_INFRA) return ret; if (network->flags & NETWORK_HAS_QOS_MASK) { @@ -1874,8 +1958,8 @@ static int rtl8192_qos_handle_probe_response(struct r8192_priv *priv, network->qos_data.old_param_count = network->qos_data.param_count; queue_work(priv->priv_wq, &priv->qos_activate); - RT_TRACE(COMP_QOS, "QoS parameters change call " - "qos_activate\n"); + RT_TRACE(COMP_QOS, + "QoS parameters change call qos_activate\n"); } } else { memcpy(&priv->ieee80211->current_network.qos_data.parameters, @@ -1883,7 +1967,8 @@ static int rtl8192_qos_handle_probe_response(struct r8192_priv *priv, if ((network->qos_data.active == 1) && (active_network == 1)) { queue_work(priv->priv_wq, &priv->qos_activate); - RT_TRACE(COMP_QOS, "QoS was disabled call qos_activate \n"); + RT_TRACE(COMP_QOS, + "QoS was disabled call qos_activate\n"); } network->qos_data.active = 0; network->qos_data.supported = 0; @@ -1923,7 +2008,7 @@ static int rtl8192_qos_association_resp(struct r8192_priv *priv, if (priv->ieee80211->state != IEEE80211_LINKED) return 0; - if ((priv->ieee80211->iw_mode != IW_MODE_INFRA)) + if (priv->ieee80211->iw_mode != IW_MODE_INFRA) return 0; spin_lock_irqsave(&priv->ieee80211->lock, flags); @@ -1948,7 +2033,9 @@ static int rtl8192_qos_association_resp(struct r8192_priv *priv, 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); + 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) queue_work(priv->priv_wq, &priv->qos_activate); @@ -1957,11 +2044,13 @@ static int rtl8192_qos_association_resp(struct r8192_priv *priv, } -static int rtl8192_handle_assoc_response(struct net_device *dev, - struct ieee80211_assoc_response_frame *resp, - struct ieee80211_network *network) +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; } @@ -1974,6 +2063,7 @@ static void rtl8192_update_ratr_table(struct net_device *dev) 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) { @@ -2003,9 +2093,10 @@ static void rtl8192_update_ratr_table(struct net_device *dev) ratr_value &= 0x0FFFFFFF; if (ieee->pHTInfo->bCurTxBW40MHz && ieee->pHTInfo->bCurShortGI40MHz) ratr_value |= 0x80000000; - else if (!ieee->pHTInfo->bCurTxBW40MHz && ieee->pHTInfo->bCurShortGI20MHz) + else if (!ieee->pHTInfo->bCurTxBW40MHz && + ieee->pHTInfo->bCurShortGI20MHz) ratr_value |= 0x80000000; - write_nic_dword(dev, RATR0+rate_index*4, ratr_value); + write_nic_dword(dev, RATR0 + rate_index * 4, ratr_value); write_nic_byte(dev, UFWP, 1); } @@ -2021,8 +2112,12 @@ static bool GetNmodeSupportBySecCfg8192(struct net_device *dev) 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 && (0 == strcmp(crypt->ops->name, "WEP"))); + /* 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 && + (0 == strcmp(crypt->ops->name, "WEP"))); /* simply judge */ if (encrypt && (wpa_ie_len == 0)) { @@ -2051,9 +2146,13 @@ static bool GetHalfNmodeSupportByAPs819xUsb(struct net_device *dev) 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); + /* 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); } @@ -2062,14 +2161,15 @@ 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; + ret = WIRELESS_MODE_N_24G | WIRELESS_MODE_G | WIRELESS_MODE_B; break; case RF_8258: - ret = WIRELESS_MODE_A|WIRELESS_MODE_N_5G; + ret = WIRELESS_MODE_A | WIRELESS_MODE_N_5G; break; default: ret = WIRELESS_MODE_B; @@ -2082,7 +2182,8 @@ 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 (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) { @@ -2094,16 +2195,24 @@ static void rtl8192_SetWirelessMode(struct net_device *dev, u8 wireless_mode) } 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); + RT_TRACE(COMP_ERR, + "%s(), No valid wireless mode supported, SupportedWirelessMode(%x)!!!\n", + __func__, bSupportMode); wireless_mode = WIRELESS_MODE_B; } } -#ifdef TO_DO_LIST //// TODO: this function doesn't work well at this time, we should wait for FPGA - ActUpdateChannelAccessSetting(pAdapter, pHalData->CurrentWirelessMode, &pAdapter->MgntInfo.Info8185.ChannelAccessSetting); +#ifdef TO_DO_LIST + /* TODO: this function doesn't work well at this time, + * we should wait for FPGA + */ + ActUpdateChannelAccessSetting( + pAdapter, pHalData->CurrentWirelessMode, + &pAdapter->MgntInfo.Info8185.ChannelAccessSetting); #endif priv->ieee80211->mode = wireless_mode; - if ((wireless_mode == WIRELESS_MODE_N_24G) || (wireless_mode == WIRELESS_MODE_N_5G)) + if (wireless_mode == WIRELESS_MODE_N_24G || + wireless_mode == WIRELESS_MODE_N_5G) priv->ieee80211->pHTInfo->bEnableHT = 1; else priv->ieee80211->pHTInfo->bEnableHT = 0; @@ -2111,43 +2220,47 @@ static void rtl8192_SetWirelessMode(struct net_device *dev, u8 wireless_mode) rtl8192_refresh_supportrate(priv); } -//init priv variables here. only non_zero value should be initialized here. +/* init priv variables here. only non_zero value should be initialized here. */ static void 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->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->rate = 110; /* 11 mbps */ priv->ieee80211->short_slot = 1; priv->promisc = (dev->flags & IFF_PROMISC) ? 1 : 0; priv->CckPwEnl = 6; - //for silent reset + /* for silent reset */ priv->IrpPendingCount = 1; priv->ResetProgress = RESET_TYPE_NORESET; priv->bForcedSilentReset = false; priv->bDisableNormalResetCheck = false; priv->force_reset = false; - priv->ieee80211->FwRWRF = 0; //we don't use FW read/write RF until stable firmware is available. - priv->ieee80211->current_network.beacon_interval = DEFAULT_BEACONINTERVAL; + /* 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;//added by amy 080604 + IEEE_SOFTMAC_BEACONS; priv->ieee80211->active_scan = 1; - priv->ieee80211->modulation = IEEE80211_CCK_MODULATION | IEEE80211_OFDM_MODULATION; + 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; //-by amy 080604 - priv->ieee80211->stop_send_beacons = NULL; //-by amy 080604 + 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; @@ -2160,15 +2273,15 @@ static void rtl8192_init_priv_variable(struct net_device *dev) priv->ieee80211->tx_headroom = TX_PACKET_SHIFT_BYTES; priv->ieee80211->qos_support = 1; - //added by WB priv->ieee80211->SetBWModeHandler = rtl8192_SetBWMode; priv->ieee80211->handle_assoc_response = rtl8192_handle_assoc_response; priv->ieee80211->handle_beacon = rtl8192_handle_beacon; - //added by david + priv->ieee80211->GetNmodeSupportBySecCfg = GetNmodeSupportBySecCfg8192; - priv->ieee80211->GetHalfNmodeSupportByAPsHandler = GetHalfNmodeSupportByAPs819xUsb; + priv->ieee80211->GetHalfNmodeSupportByAPsHandler = + GetHalfNmodeSupportByAPs819xUsb; priv->ieee80211->SetWirelessMode = rtl8192_SetWirelessMode; - //added by amy + priv->ieee80211->InitialGainHandler = InitialGain819xUsb; priv->card_type = USB; #ifdef TO_DO_LIST @@ -2182,30 +2295,55 @@ static void rtl8192_init_priv_variable(struct net_device *dev) priv->EarlyRxThreshold = 7; priv->enable_gpio0 = 0; priv->TransmitConfig = - (TCR_MXDMA_2048<<TCR_MXDMA_OFFSET)| // Max DMA Burst Size per Tx DMA Burst, 7: reserved. - (priv->ShortRetryLimit<<TCR_SRL_OFFSET)| // Short retry limit - (priv->LongRetryLimit<<TCR_LRL_OFFSET) | // Long retry limit - (false ? TCR_SAT : 0); // FALSE: HW provides PLCP length and LENGEXT, TRUE: SW provides them + /* 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); #ifdef TO_DO_LIST if (Adapter->bInHctTest) - pHalData->ReceiveConfig = pHalData->CSMethod | - RCR_AMF | RCR_ADF | //accept management/data - //guangan200710 - RCR_ACF | //accept control frame for SW AP needs PS-poll, 2005.07.07, by rcnjko. - RCR_AB | RCR_AM | RCR_APM | //accept BC/MC/UC - RCR_AICV | RCR_ACRC32 | //accept ICV/CRC error packet - ((u32)7<<RCR_MXDMA_OFFSET) | // Max DMA Burst Size per Rx DMA Burst, 7: unlimited. - (pHalData->EarlyRxThreshold<<RCR_FIFO_OFFSET) | // Rx FIFO Threshold, 7: No Rx threshold. - (pHalData->EarlyRxThreshold == 7 ? RCR_OnlyErlPkt : 0); + pHalData->ReceiveConfig = + pHalData->CSMethod | + /* 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 | + /* accept ICV/CRC error + * packet + */ + RCR_AICV | RCR_ACRC32 | + /* Max DMA Burst Size per Tx + * DMA Burst, 7: unlimited. + */ + ((u32)7 << RCR_MXDMA_OFFSET) | + /* Rx FIFO Threshold, + * 7: No Rx threshold. + */ + (pHalData->EarlyRxThreshold << RCR_FIFO_OFFSET) | + (pHalData->EarlyRxThreshold == 7 ? RCR_OnlyErlPkt : 0); else #endif priv->ReceiveConfig = - RCR_AMF | RCR_ADF | //accept management/data - RCR_ACF | //accept control frame for SW AP needs PS-poll, 2005.07.07, by rcnjko. - RCR_AB | RCR_AM | RCR_APM | //accept BC/MC/UC - ((u32)7<<RCR_MXDMA_OFFSET)| // Max DMA Burst Size per Rx DMA Burst, 7: unlimited. - (priv->EarlyRxThreshold<<RX_FIFO_THRESHOLD_SHIFT) | // Rx FIFO Threshold, 7: No Rx threshold. + /* 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; @@ -2225,11 +2363,11 @@ static void rtl8192_init_priv_variable(struct net_device *dev) priv->rf_set_chan = rtl8192_phy_SwChnl; } -//init lock here +/* 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);//added by thomas + spin_lock_init(&priv->irq_lock); sema_init(&priv->wx_sem, 1); sema_init(&priv->rf_sem, 1); mutex_init(&priv->mutex); @@ -2238,7 +2376,7 @@ static void rtl8192_init_priv_lock(struct r8192_priv *priv) static void rtl819x_watchdog_wqcallback(struct work_struct *work); static void rtl8192_irq_rx_tasklet(struct r8192_priv *priv); -//init tasklet and wait_queue here. only 2.6 above kernel is considered +/* 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) { @@ -2248,11 +2386,16 @@ static void rtl8192_init_priv_task(struct net_device *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_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_init(&priv->irq_rx_tasklet, @@ -2264,15 +2407,21 @@ 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 BIT5? - priv->epromtype = (curCR & Cmd9346CR_9356SEL) ? EPROM_93c56 : EPROM_93c46; - RT_TRACE(COMP_EPROM, "<===========%s(), epromtype:%d\n", __func__, priv->epromtype); + 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. +/* 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; @@ -2287,24 +2436,27 @@ static void rtl8192_read_eeprom_info(struct net_device *dev) struct r8192_priv *priv = ieee80211_priv(dev); u16 tmpValue = 0; int i; + RT_TRACE(COMP_EPROM, "===========>%s()\n", __func__); - wEPROM_ID = eprom_read(dev, 0); //first read EEPROM ID out; + wEPROM_ID = eprom_read(dev, 0); /* first read EEPROM ID out; */ 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 { + 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); + tmpValue = eprom_read(dev, EEPROM_VID >> 1); priv->eeprom_vid = endian_swap(&tmpValue); - priv->eeprom_pid = eprom_read(dev, EEPROM_PID>>1); - tmpValue = eprom_read(dev, EEPROM_ChannelPlan>>1); - priv->eeprom_ChannelPlan = (tmpValue & 0xff00)>>8; + priv->eeprom_pid = eprom_read(dev, EEPROM_PID >> 1); + tmpValue = eprom_read(dev, EEPROM_ChannelPlan >> 1); + priv->eeprom_ChannelPlan = (tmpValue & 0xff00) >> 8; priv->btxpowerdata_readfromEEPORM = true; - priv->eeprom_CustomerID = eprom_read(dev, (EEPROM_Customer_ID>>1)) >>8; + priv->eeprom_CustomerID = + eprom_read(dev, (EEPROM_Customer_ID >> 1)) >> 8; } else { priv->eeprom_vid = 0; priv->eeprom_pid = 0; @@ -2312,75 +2464,81 @@ static void rtl8192_read_eeprom_info(struct net_device *dev) 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 + 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) { int i; + for (i = 0; i < 6; i += 2) { u16 tmp = 0; - tmp = eprom_read(dev, (u16)((EEPROM_NODE_ADDRESS_BYTE_0 + i)>>1)); + + tmp = eprom_read(dev, (u16)((EEPROM_NODE_ADDRESS_BYTE_0 + i) >> 1)); *(u16 *)(&dev->dev_addr[i]) = tmp; } } else { memcpy(dev->dev_addr, bMac_Tmp_Addr, 6); - //should I set IDR0 here? + /* 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_type = RTL819X_DEFAULT_RF_TYPE; /* default 1T2R */ priv->rf_chip = RF_8256; if (priv->card_8192_version == (u8)VERSION_819xU_A) { - //read Tx power gain offset of legacy OFDM to HT rate + /* read Tx power gain offset of legacy OFDM to HT rate */ if (bLoad_From_EEPOM) - priv->EEPROMTxPowerDiff = (eprom_read(dev, (EEPROM_TxPowerDiff>>1))&0xff00) >> 8; + priv->EEPROMTxPowerDiff = (eprom_read(dev, (EEPROM_TxPowerDiff >> 1)) & 0xff00) >> 8; else priv->EEPROMTxPowerDiff = EEPROM_Default_TxPower; RT_TRACE(COMP_EPROM, "TxPowerDiff:%d\n", priv->EEPROMTxPowerDiff); - //read ThermalMeter from EEPROM + /* read ThermalMeter from EEPROM */ if (bLoad_From_EEPOM) - priv->EEPROMThermalMeter = (u8)(eprom_read(dev, (EEPROM_ThermalMeter>>1))&0x00ff); + priv->EEPROMThermalMeter = (u8)(eprom_read(dev, (EEPROM_ThermalMeter >> 1)) & 0x00ff); else priv->EEPROMThermalMeter = EEPROM_Default_ThermalMeter; RT_TRACE(COMP_EPROM, "ThermalMeter:%d\n", priv->EEPROMThermalMeter); - //vivi, for tx power track - priv->TSSI_13dBm = priv->EEPROMThermalMeter *100; - //read antenna tx power offset of B/C/D to A from EEPROM + /* 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) - priv->EEPROMPwDiff = (eprom_read(dev, (EEPROM_PwDiff>>1))&0x0f00)>>8; + priv->EEPROMPwDiff = (eprom_read(dev, (EEPROM_PwDiff >> 1)) & 0x0f00) >> 8; else priv->EEPROMPwDiff = EEPROM_Default_PwDiff; RT_TRACE(COMP_EPROM, "TxPwDiff:%d\n", priv->EEPROMPwDiff); - // Read CrystalCap from EEPROM + /* Read CrystalCap from EEPROM */ if (bLoad_From_EEPOM) - priv->EEPROMCrystalCap = (eprom_read(dev, (EEPROM_CrystalCap>>1))&0x0f); + priv->EEPROMCrystalCap = (eprom_read(dev, (EEPROM_CrystalCap >> 1)) & 0x0f); else priv->EEPROMCrystalCap = EEPROM_Default_CrystalCap; RT_TRACE(COMP_EPROM, "CrystalCap = %d\n", priv->EEPROMCrystalCap); - //get per-channel Tx power level + /* get per-channel Tx power level */ if (bLoad_From_EEPOM) - priv->EEPROM_Def_Ver = (eprom_read(dev, (EEPROM_TxPwIndex_Ver>>1))&0xff00)>>8; + priv->EEPROM_Def_Ver = (eprom_read(dev, (EEPROM_TxPwIndex_Ver >> 1)) & 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 */ int i; + if (bLoad_From_EEPOM) - priv->EEPROMTxPowerLevelCCK = (eprom_read(dev, (EEPROM_TxPwIndex_CCK>>1))&0xff) >> 8; + priv->EEPROMTxPowerLevelCCK = (eprom_read(dev, (EEPROM_TxPwIndex_CCK >> 1)) & 0xff) >> 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) { - tmpValue = eprom_read(dev, (EEPROM_TxPwIndex_OFDM_24G+i)>>1); - if (((EEPROM_TxPwIndex_OFDM_24G+i) % 2) == 0) + tmpValue = eprom_read(dev, (EEPROM_TxPwIndex_OFDM_24G + i) >> 1); + if (((EEPROM_TxPwIndex_OFDM_24G + i) % 2) == 0) tmpValue = tmpValue & 0x00ff; else tmpValue = (tmpValue & 0xff00) >> 8; } else { tmpValue = 0x10; } - priv->EEPROMTxPowerLevelOFDM24G[i] = (u8) tmpValue; + 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) { @@ -2394,7 +2552,7 @@ static void rtl8192_read_eeprom_info(struct net_device *dev) priv->EEPROMTxPowerLevelCCK_V1[0] = (u8)tmpValue; if (bLoad_From_EEPOM) - tmpValue = eprom_read(dev, (EEPROM_TxPwIndex_CCK_V1 + 2)>>1); + tmpValue = eprom_read(dev, (EEPROM_TxPwIndex_CCK_V1 + 2) >> 1); else tmpValue = 0x1010; *((u16 *)(&priv->EEPROMTxPowerLevelCCK_V1[1])) = tmpValue; @@ -2405,14 +2563,13 @@ static void rtl8192_read_eeprom_info(struct net_device *dev) tmpValue = 0x1010; *((u16 *)(&priv->EEPROMTxPowerLevelOFDM24G[0])) = tmpValue; if (bLoad_From_EEPOM) - tmpValue = eprom_read(dev, (EEPROM_TxPwIndex_OFDM_24G_V1+2)>>1); + tmpValue = eprom_read(dev, (EEPROM_TxPwIndex_OFDM_24G_V1 + 2) >> 1); else tmpValue = 0x10; priv->EEPROMTxPowerLevelOFDM24G[2] = (u8)tmpValue; - }//endif EEPROM_Def_Ver == 1 + } /* endif EEPROM_Def_Ver == 1 */ - //update HAL variables - // + /* update HAL variables */ for (i = 0; i < 14; i++) { if (i <= 3) priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[0]; @@ -2440,18 +2597,20 @@ static void rtl8192_read_eeprom_info(struct net_device *dev) } } priv->TxPowerDiff = priv->EEPROMPwDiff; - // Antenna B gain offset to antenna A, bit0~3 + /* 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 + /* 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. + /* 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 + } /* end if VersionID == VERSION_819xU_A */ - //added by vivi, for dlink led, 20080416 + /* for dlink led */ switch (priv->eeprom_CustomerID) { case EEPROM_CID_RUNTOP: priv->CustomerID = RT_CID_819x_RUNTOP; @@ -2483,16 +2642,15 @@ static void rtl8192_read_eeprom_info(struct net_device *dev) } - if (priv->rf_type == RF_1T2R) { + if (priv->rf_type == RF_1T2R) RT_TRACE(COMP_EPROM, "\n1T2R config\n"); - } else { + else RT_TRACE(COMP_EPROM, "\n2T4R config\n"); - } - // 2008/01/16 MH We can only know RF type in the function. So we have to init - // DIG RATR table again. + /* We can only know RF type in the function. So we have to init + * DIG RATR table again. + */ init_rate_adaptive(dev); - //we need init DIG RATR table here again. RT_TRACE(COMP_EPROM, "<===========%s()\n", __func__); } @@ -2500,8 +2658,10 @@ static void rtl8192_read_eeprom_info(struct net_device *dev) 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"); + 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); @@ -2521,11 +2681,13 @@ static short rtl8192_init(struct net_device *dev) { int i = 0; u8 queuetopipe[] = {3, 2, 1, 0, 4, 8, 7, 6, 5}; + memcpy(priv->txqueue_to_outpipemap, queuetopipe, 9); } #else { u8 queuetopipe[] = {3, 2, 1, 0, 4, 4, 0, 4, 4}; + memcpy(priv->txqueue_to_outpipemap, queuetopipe, 9); } #endif @@ -2561,8 +2723,7 @@ static void rtl8192_hwconfig(struct net_device *dev) struct r8192_priv *priv = ieee80211_priv(dev); u32 ratr_value = 0; - // Set RRSR, RATR, and BW_OPMODE registers - // + /* Set RRSR, RATR, and BW_OPMODE registers */ switch (priv->ieee80211->mode) { case WIRELESS_MODE_B: regBwOpMode = BW_OPMODE_20MHZ; @@ -2570,7 +2731,7 @@ static void rtl8192_hwconfig(struct net_device *dev) regRRSR = RATE_ALL_CCK; break; case WIRELESS_MODE_A: - regBwOpMode = BW_OPMODE_5G |BW_OPMODE_20MHZ; + regBwOpMode = BW_OPMODE_5G | BW_OPMODE_20MHZ; regRATR = RATE_ALL_OFDM_AG; regRRSR = RATE_ALL_OFDM_AG; break; @@ -2585,25 +2746,28 @@ static void rtl8192_hwconfig(struct net_device *dev) regBwOpMode = BW_OPMODE_20MHZ; regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG; regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG; - } - else + } else #endif { regBwOpMode = BW_OPMODE_20MHZ; - regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG | RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS; + 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. + /* 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; + 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; + regRATR = RATE_ALL_OFDM_AG | RATE_ALL_OFDM_1SS | + RATE_ALL_OFDM_2SS; regRRSR = RATE_ALL_OFDM_AG; break; } @@ -2618,25 +2782,23 @@ static void rtl8192_hwconfig(struct net_device *dev) regRRSR = ((regTmp) << 24) | (regRRSR & 0x00ffffff); write_nic_dword(dev, RRSR, regRRSR); - // - // Set Retry Limit here - // + /* 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 Contention Window here */ - // Set Tx AGC + /* Set Tx AGC */ - // Set Tx Antenna including Feedback control + /* Set Tx Antenna including Feedback control */ - // Set Auto Rate fallback control + /* Set Auto Rate fallback control */ } -//InitializeAdapter and PhyCfg +/* InitializeAdapter and PhyCfg */ static bool rtl8192_adapter_start(struct net_device *dev) { struct r8192_priv *priv = ieee80211_priv(dev); @@ -2644,9 +2806,10 @@ static bool rtl8192_adapter_start(struct net_device *dev) 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 + /* for ASIC power on sequence */ write_nic_byte_E(dev, 0x5f, 0x80); mdelay(50); write_nic_byte_E(dev, 0x5f, 0xf0); @@ -2655,66 +2818,74 @@ static bool rtl8192_adapter_start(struct net_device *dev) write_nic_byte(dev, 0x17, 0x37); mdelay(10); priv->pFirmware->firmware_status = FW_STATUS_0_INIT; - //config CPUReset Register - //Firmware Reset or not? + /* config CPUReset Register */ + /* Firmware Reset or not? */ read_nic_dword(dev, CPU_GEN, &dwRegRead); if (priv->pFirmware->firmware_status == FW_STATUS_0_INIT) - dwRegRead |= CPU_GEN_SYSTEM_RESET; //do nothing here? + dwRegRead |= CPU_GEN_SYSTEM_RESET; /* do nothing here? */ else if (priv->pFirmware->firmware_status == FW_STATUS_5_READY) dwRegRead |= CPU_GEN_FIRMWARE_RESET; else - RT_TRACE(COMP_ERR, "ERROR in %s(): undefined firmware state(%d)\n", __func__, priv->pFirmware->firmware_status); + RT_TRACE(COMP_ERR, + "ERROR in %s(): undefined firmware state(%d)\n", + __func__, priv->pFirmware->firmware_status); write_nic_dword(dev, CPU_GEN, dwRegRead); - //config BB. + /* config BB. */ rtl8192_BBConfig(dev); - //Loopback mode or not + /* 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; + 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); + 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. + /* after reset cpu, we need wait for a seconds to write in register. */ udelay(500); - //xiong add for new bitfile:usb suspend reset pin set to 1. //do we need? + /* 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); + write_nic_byte_E(dev, 0x5f, tmp | 0x20); - //Set Hardware + /* Set Hardware */ rtl8192_hwconfig(dev); - //turn on Tx/Rx - write_nic_byte(dev, CMDR, CR_RE|CR_TE); + /* turn on Tx/Rx */ + write_nic_byte(dev, CMDR, CR_RE | CR_TE); - //set IDR0 here + /* 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 + /* 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!!2006.12.18, by Emily + /* 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) @@ -2727,58 +2898,77 @@ static bool rtl8192_adapter_start(struct net_device *dev) write_nic_byte(dev, SECR, SECR_value); } - //Beacon related + /* 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 == (u8) VERSION_819xU_A) { + if (priv->card_8192_version == (u8)VERSION_819xU_A) { rtl8192_phy_getTxPower(dev); rtl8192_phy_setTxPower(dev, priv->chan); } - //Firmware download + /* Firmware download */ init_status = init_firmware(dev); if (!init_status) { - RT_TRACE(COMP_ERR, "ERR!!! %s(): Firmware download is failed\n", __func__); + 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__); - // + #ifdef TO_DO_LIST if (Adapter->ResetProgress == RESET_TYPE_NORESET) { if (pMgntInfo->RegRfOff) { /* User disable RF via registry. */ - RT_TRACE((COMP_INIT|COMP_RF), DBG_LOUD, ("InitializeAdapter819xUsb(): Turn off RF for RegRfOff ----------\n")); + RT_TRACE((COMP_INIT | COMP_RF), DBG_LOUD, + ("InitializeAdapter819xUsb(): Turn off RF for RegRfOff ----------\n")); MgntActSet_RF_State(Adapter, eRfOff, RF_CHANGE_BY_SW); - // Those actions will be discard in MgntActSet_RF_State because of the same state + /* Those actions will be discard in MgntActSet_RF_State + * because of the same state + */ for (eRFPath = 0; eRFPath < pHalData->NumTotalRFPath; eRFPath++) - PHY_SetRFReg(Adapter, (RF90_RADIO_PATH_E)eRFPath, 0x4, 0xC00, 0x0); - } else if (pMgntInfo->RfOffReason > RF_CHANGE_BY_PS) { /* H/W or S/W RF OFF before sleep. */ - RT_TRACE((COMP_INIT|COMP_RF), DBG_LOUD, ("InitializeAdapter819xUsb(): Turn off RF for RfOffReason(%d) ----------\n", pMgntInfo->RfOffReason)); - MgntActSet_RF_State(Adapter, eRfOff, pMgntInfo->RfOffReason); + PHY_SetRFReg(Adapter, + (RF90_RADIO_PATH_E)eRFPath, + 0x4, 0xC00, 0x0); + } else if (pMgntInfo->RfOffReason > RF_CHANGE_BY_PS) { + /* H/W or S/W RF OFF before sleep. */ + RT_TRACE((COMP_INIT | COMP_RF), DBG_LOUD, + ("InitializeAdapter819xUsb(): Turn off RF for RfOffReason(%d) ----------\n", + pMgntInfo->RfOffReason)); + MgntActSet_RF_State(Adapter, + eRfOff, + pMgntInfo->RfOffReason); } else { pHalData->eRFPowerState = eRfOn; pMgntInfo->RfOffReason = 0; - RT_TRACE((COMP_INIT|COMP_RF), DBG_LOUD, ("InitializeAdapter819xUsb(): RF is on ----------\n")); + RT_TRACE((COMP_INIT | COMP_RF), DBG_LOUD, + ("InitializeAdapter819xUsb(): RF is on ----------\n")); } } else { if (pHalData->eRFPowerState == eRfOff) { - MgntActSet_RF_State(Adapter, eRfOff, pMgntInfo->RfOffReason); - // Those actions will be discard in MgntActSet_RF_State because of the same state + MgntActSet_RF_State(Adapter, + eRfOff, + pMgntInfo->RfOffReason); + /* Those actions will be discard in MgntActSet_RF_State + * because of the same state + */ for (eRFPath = 0; eRFPath < pHalData->NumTotalRFPath; eRFPath++) - PHY_SetRFReg(Adapter, (RF90_RADIO_PATH_E)eRFPath, 0x4, 0xC00, 0x0); + PHY_SetRFReg(Adapter, + (RF90_RADIO_PATH_E)eRFPath, + 0x4, 0xC00, 0x0); } } #endif - //config RF. + /* config RF. */ if (priv->ResetProgress == RESET_TYPE_NORESET) { rtl8192_phy_RFConfig(dev); RT_TRACE(COMP_INIT, "%s():after phy RF config\n", __func__); @@ -2786,7 +2976,7 @@ static bool rtl8192_adapter_start(struct net_device *dev) if (priv->ieee80211->FwRWRF) - // We can force firmware to do RF-R/W + /* 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; @@ -2798,8 +2988,9 @@ static bool rtl8192_adapter_start(struct net_device *dev) rtl8192_setBBreg(dev, rFPGA0_RFMOD, bOFDMEn, 0x1); if (priv->ResetProgress == RESET_TYPE_NORESET) { - //if D or C cut + /* if D or C cut */ u8 tmpvalue; + read_nic_byte(dev, 0x301, &tmpvalue); if (tmpvalue == 0x03) { priv->bDcut = true; @@ -2812,28 +3003,36 @@ static bool rtl8192_adapter_start(struct net_device *dev) if (priv->bDcut) { u32 i, TempCCk; - u32 tmpRegA = rtl8192_QueryBBReg(dev, rOFDM0_XATxIQImbalance, bMaskDWord); + 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; + priv->rfa_txpowertrackingindex_real = + (u8)i; + priv->rfa_txpowertracking_default = + priv->rfa_txpowertrackingindex; break; } } - TempCCk = rtl8192_QueryBBReg(dev, rCCK0_TxFilter1, bMaskByte2); + 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_attentuation_20Mdefault = (u8) i; + priv->cck_present_attentuation_20Mdefault = (u8)i; break; } } priv->cck_present_attentuation_40Mdefault = 0; priv->cck_present_attentuation_difference = 0; - priv->cck_present_attentuation = priv->cck_present_attentuation_20Mdefault; + priv->cck_present_attentuation = + priv->cck_present_attentuation_20Mdefault; } } @@ -2863,8 +3062,11 @@ 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); + RT_TRACE(COMP_RESET, + "%s():RegTxCounter is %d,TxCounter is %d\n", __func__, + RegTxCounter, priv->TxCounter); if (priv->TxCounter == RegTxCounter) bStuck = true; @@ -2883,9 +3085,7 @@ static RESET_TYPE TxCheckStuck(struct net_device *dev) u8 QueueID; bool bCheckFwTxCnt = false; - // - // Decide such threshold according to current power save mode - // + /* Decide such threshold according to current power save mode */ for (QueueID = 0; QueueID <= BEACON_QUEUE; QueueID++) { if (QueueID == TXCMD_QUEUE) @@ -2897,7 +3097,8 @@ static RESET_TYPE TxCheckStuck(struct net_device *dev) } if (bCheckFwTxCnt) { if (HalTxCheckStuck819xUsb(dev)) { - RT_TRACE(COMP_RESET, "TxCheckStuck(): Fw indicates no Tx condition! \n"); + RT_TRACE(COMP_RESET, + "TxCheckStuck(): Fw indicates no Tx condition!\n"); return RESET_TYPE_SILENT; } } @@ -2910,32 +3111,36 @@ static bool HalRxCheckStuck819xUsb(struct net_device *dev) 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. + 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 >= (RateAdaptiveTH_High+5)) { - rx_chk_cnt = 0; //high rssi, check rx stuck right now. - } else if (priv->undecorated_smoothed_pwdb < (RateAdaptiveTH_High+5) && + if (priv->undecorated_smoothed_pwdb >= (RateAdaptiveTH_High + 5)) { + rx_chk_cnt = 0; /* high rssi, check rx stuck right now. */ + } else if (priv->undecorated_smoothed_pwdb < (RateAdaptiveTH_High + 5) && ((priv->CurrentChannelBW != HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb >= RateAdaptiveTH_Low_40M) || (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb >= RateAdaptiveTH_Low_20M))) { if (rx_chk_cnt < 2) return bStuck; - else - rx_chk_cnt = 0; + + rx_chk_cnt = 0; } else if (((priv->CurrentChannelBW != HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb < RateAdaptiveTH_Low_40M) || (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb < RateAdaptiveTH_Low_20M)) && priv->undecorated_smoothed_pwdb >= VeryLowRSSI) { if (rx_chk_cnt < 4) return bStuck; - else - rx_chk_cnt = 0; + + rx_chk_cnt = 0; } else { if (rx_chk_cnt < 8) return bStuck; - else - rx_chk_cnt = 0; + + rx_chk_cnt = 0; } if (priv->RxCounter == RegRxCounter) @@ -2965,17 +3170,18 @@ static RESET_TYPE RxCheckStuck(struct net_device *dev) /** -* This function is called by Checkforhang to check whether we should ask OS to reset driver -* -* \param pAdapter The adapter context for this miniport -* -* 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. This is added by Emily at 2006.11.24 -*/ + * This function is called by Checkforhang to check whether we should + * ask OS to reset driver + * + * \param pAdapter The adapter context for this miniport + * + * 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); @@ -2988,19 +3194,25 @@ static RESET_TYPE rtl819x_ifcheck_resetornot(struct net_device *dev) 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 Emily, 2008.01.21 - - // 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. Emily, 2008.04.12 + /* 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) { + if (TxResetType == RESET_TYPE_NORMAL || + RxResetType == RESET_TYPE_NORMAL) { return RESET_TYPE_NORMAL; - } else if (TxResetType == RESET_TYPE_SILENT || RxResetType == RESET_TYPE_SILENT) { + } else if (TxResetType == RESET_TYPE_SILENT || + RxResetType == RESET_TYPE_SILENT) { RT_TRACE(COMP_RESET, "%s():silent reset\n", __func__); return RESET_TYPE_SILENT; } else { @@ -3029,7 +3241,7 @@ static void CamRestoreAllEntry(struct net_device *dev) static u8 CAM_CONST_BROAD[] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; - RT_TRACE(COMP_SEC, "CamRestoreAllEntry: \n"); + RT_TRACE(COMP_SEC, "CamRestoreAllEntry:\n"); if ((priv->ieee80211->pairwise_key_type == KEY_TYPE_WEP40) || @@ -3085,12 +3297,11 @@ static void CamRestoreAllEntry(struct net_device *dev) 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. -////////////////////////////////////////////////////////////// +/* 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); @@ -3099,24 +3310,28 @@ static void rtl819x_ifsilentreset(struct net_device *dev) struct ieee80211_device *ieee = priv->ieee80211; - // 2007.07.20. If we need to check CCK stop, please uncomment this line. - //bStuck = Adapter->HalFunc.CheckHWStopHandler(Adapter); + /* 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"); + RT_TRACE(COMP_RESET, "=========>Reset progress!!\n"); - // Set the variable for reset. + /* Set the variable for reset. */ priv->ResetProgress = RESET_TYPE_SILENT; down(&priv->wx_sem); if (priv->up == 0) { - RT_TRACE(COMP_ERR, "%s():the driver is not up! return\n", __func__); + RT_TRACE(COMP_ERR, + "%s():the driver is not up! return\n", + __func__); up(&priv->wx_sem); return; } priv->up = 0; - RT_TRACE(COMP_RESET, "%s():======>start to down the driver\n", __func__); + RT_TRACE(COMP_RESET, + "%s():======>start to down the driver\n", + __func__); rtl8192_rtx_disable(dev); rtl8192_cancel_deferred_work(priv); @@ -3138,28 +3353,40 @@ RESET_START: ieee80211_softmac_stop_protocol(priv->ieee80211); } up(&priv->wx_sem); - RT_TRACE(COMP_RESET, "%s():<==========down process is finished\n", __func__); - RT_TRACE(COMP_RESET, "%s():===========>start up the driver\n", __func__); + 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__); + 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__); + 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); + 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); + } 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); @@ -3177,9 +3404,11 @@ RESET_START: priv->bForcedSilentReset = false; priv->bResetInProgress = false; - // For test --> force write UFWP. + /* For test --> force write UFWP. */ write_nic_byte(dev, UFWP, 1); - RT_TRACE(COMP_RESET, "Reset finished!! ====>[%d]\n", priv->reset_count); + RT_TRACE(COMP_RESET, + "Reset finished!! ====>[%d]\n", + priv->reset_count); } } @@ -3192,9 +3421,12 @@ static void rtl819x_update_rxcounts(struct r8192_priv *priv, u32 *TotalRxBcnNum, *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; + 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]; @@ -3204,8 +3436,10 @@ static void rtl819x_update_rxcounts(struct r8192_priv *priv, u32 *TotalRxBcnNum, static void rtl819x_watchdog_wqcallback(struct work_struct *work) { - struct delayed_work *dwork = container_of(work, struct delayed_work, work); - struct r8192_priv *priv = container_of(dwork, struct r8192_priv, watch_dog_wq); + struct delayed_work *dwork = container_of(work, + struct 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; @@ -3218,45 +3452,55 @@ static void rtl819x_watchdog_wqcallback(struct work_struct *work) return; hal_dm_watchdog(dev); - //to get busy traffic condition + /* to get busy traffic condition */ if (ieee->state == IEEE80211_LINKED) { if (ieee->LinkDetectInfo.NumRxOkInPeriod > 666 || - ieee->LinkDetectInfo.NumTxOkInPeriod > 666 ) { + ieee->LinkDetectInfo.NumTxOkInPeriod > 666) { bBusyTraffic = true; } ieee->LinkDetectInfo.NumRxOkInPeriod = 0; ieee->LinkDetectInfo.NumTxOkInPeriod = 0; ieee->LinkDetectInfo.bBusyTraffic = bBusyTraffic; } - //added by amy for AP roaming - if (priv->ieee80211->state == IEEE80211_LINKED && priv->ieee80211->iw_mode == IW_MODE_INFRA) { + /* 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) { + 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__); + 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); + RemovePeerTS(priv->ieee80211, + priv->ieee80211->current_network.bssid); priv->ieee80211->link_change(dev); - queue_work(priv->ieee80211->wq, &priv->ieee80211->associate_procedure_wq); + 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 + /* 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)))) { /* This is control by OID set in Pomelo */ - 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); + (!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; @@ -3268,20 +3512,24 @@ static void rtl819x_watchdog_wqcallback(struct work_struct *work) static void watch_dog_timer_callback(unsigned long data) { - struct r8192_priv *priv = ieee80211_priv((struct net_device *) data); + struct r8192_priv *priv = ieee80211_priv((struct net_device *)data); + queue_delayed_work(priv->priv_wq, &priv->watch_dog_wq, 0); - mod_timer(&priv->watch_dog_timer, jiffies + MSECS(IEEE80211_WATCH_DOG_TIME)); + 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__); + RT_TRACE(COMP_ERR, "ERR!!! %s(): initialization failed!\n", + __func__); priv->up = priv->ieee80211->ieee_up = 0; return -EAGAIN; } @@ -3290,7 +3538,7 @@ static int _rtl8192_up(struct net_device *dev) if (priv->ieee80211->state != IEEE80211_LINKED) ieee80211_softmac_start_protocol(priv->ieee80211); ieee80211_reset_queue(priv->ieee80211); - watch_dog_timer_callback((unsigned long) dev); + watch_dog_timer_callback((unsigned long)dev); if (!netif_queue_stopped(dev)) netif_start_queue(dev); else @@ -3304,6 +3552,7 @@ static int rtl8192_open(struct net_device *dev) { struct r8192_priv *priv = ieee80211_priv(dev); int ret; + down(&priv->wx_sem); ret = rtl8192_up(dev); up(&priv->wx_sem); @@ -3364,14 +3613,17 @@ int rtl8192_down(struct net_device *dev) 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 + /* 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)); + memset(&priv->ieee80211->current_network, 0, + offsetof(struct ieee80211_network, list)); RT_TRACE(COMP_DOWN, "<==========%s()\n", __func__); return 0; @@ -3382,6 +3634,7 @@ void rtl8192_commit(struct net_device *dev) { struct r8192_priv *priv = ieee80211_priv(dev); int reset_status = 0; + if (priv->up == 0) return; priv->up = 0; @@ -3398,7 +3651,8 @@ void rtl8192_commit(struct net_device *dev) static void rtl8192_restart(struct work_struct *work) { - struct r8192_priv *priv = container_of(work, struct r8192_priv, reset_wq); + struct r8192_priv *priv = container_of(work, struct r8192_priv, + reset_wq); struct net_device *dev = priv->ieee80211->dev; down(&priv->wx_sem); @@ -3430,7 +3684,7 @@ static int r8192_set_mac_adr(struct net_device *dev, void *mac) down(&priv->wx_sem); - memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN); + ether_addr_copy(dev->dev_addr, addr->sa_data); schedule_work(&priv->reset_wq); up(&priv->wx_sem); @@ -3466,7 +3720,7 @@ static int rtl8192_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) switch (cmd) { case RTL_IOCTL_WPA_SUPPLICANT: - //parse here for HW security + /* 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) { @@ -3485,11 +3739,22 @@ static int rtl8192_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) 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! - //added by WB. - setKey(dev, 4, ipw->u.crypt.idx, ieee->pairwise_key_type, (u8 *)ieee->ap_mac_addr, 0, key); + /* 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); + 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); @@ -3508,15 +3773,21 @@ static int rtl8192_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) if (ieee->group_key_type) { setKey(dev, ipw->u.crypt.idx, - ipw->u.crypt.idx, //KeyIndex - ieee->group_key_type, //KeyType - broadcast_addr, //MacAddr - 0, //DefaultKey - key); //KeyContent + /* 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); + ret = ieee80211_wpa_supplicant_ioctl(priv->ieee80211, + &wrq->u.data); break; default: @@ -3536,107 +3807,111 @@ static u8 HwRateToMRate90(bool bIsHT, u8 rate) 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; + 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, "HwRateToMRate90(): Non supported Rate [%x], bIsHT = %d!!!\n", rate, bIsHT); - break; + default: + ret_rate = 0xff; + RT_TRACE(COMP_RECV, + "HwRateToMRate90(): Non supported Rate [%x], bIsHT = %d!!!\n", + 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; + 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, "HwRateToMRate90(): Non supported Rate [%x], bIsHT = %d!!!\n", rate, bIsHT); - break; + default: + ret_rate = 0xff; + RT_TRACE(COMP_RECV, + "HwRateToMRate90(): Non supported Rate [%x], bIsHT = %d!!!\n", + rate, bIsHT); + break; } } @@ -3672,13 +3947,12 @@ static void UpdateRxPktTimeStamp8190(struct net_device *dev, } } -//by amy 080606 - -static long rtl819x_translate_todbm(u8 signal_strength_index)// 0-100 index. +/* 0-100 index. */ +static long rtl819x_translate_todbm(u8 signal_strength_index) { - long signal_power; // in dBm. + long signal_power; /* in dBm. */ - // Translate to dBm (x=0.5y-95). + /* Translate to dBm (x=0.5y-95). */ signal_power = (long)((signal_strength_index + 1) >> 1); signal_power -= 95; @@ -3686,10 +3960,11 @@ static long rtl819x_translate_todbm(u8 signal_strength_index)// 0-100 index. } -/* 2008/01/22 MH 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. */ +/* 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) @@ -3701,23 +3976,24 @@ static void rtl8192_process_phyinfo(struct r8192_priv *priv, u8 *buffer, static u32 slide_evm_index, slide_evm_statistics; static u32 last_rssi, last_evm; - static u32 slide_beacon_adc_pwdb_index, slide_beacon_adc_pwdb_statistics; + 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 frag, seq; + hdr = (struct rtl_80211_hdr_3addr *)buffer; sc = le16_to_cpu(hdr->seq_ctl); frag = WLAN_GET_SEQ_FRAG(sc); seq = WLAN_GET_SEQ_SEQ(sc); - //cosa add 04292008 to record the sequence number + /* to record the sequence number */ pcurrent_stats->Seq_Num = seq; - // - // Check whether we should take the previous packet into accounting - // + + /* Check whether we should take the previous packet into accounting */ if (!pprevious_stats->bIsAMPDU) { - // if previous packet is not aggregated packet + /* if previous packet is not aggregated packet */ bcheck = true; } @@ -3728,17 +4004,17 @@ static void rtl8192_process_phyinfo(struct r8192_priv *priv, u8 *buffer, } priv->stats.slide_rssi_total += pprevious_stats->SignalStrength; - priv->stats.slide_signal_strength[slide_rssi_index++] = 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; + /* <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 the previous packet does not match the criteria, neglect it */ if (!pprevious_stats->bPacketMatchBSSID) { if (!pprevious_stats->bToSelfBA) return; @@ -3748,44 +4024,47 @@ static void rtl8192_process_phyinfo(struct r8192_priv *priv, u8 *buffer, return; - //rtl8190_process_cck_rxpathsel(priv,pprevious_stats);//only rtl8190 supported + /* only rtl8190 supported + * rtl8190_process_cck_rxpathsel(priv,pprevious_stats); + */ - // - // Check RSSI - // + /* 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)) { + /* <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)) + if (!rtl8192_phy_CheckIsLegalRFPath( + priv->ieee80211->dev, rfpath)) continue; - //Fixed by Jacken 2008-03-20 if (priv->stats.rx_rssi_percentage[rfpath] == 0) - priv->stats.rx_rssi_percentage[rfpath] = pprevious_stats->RxMIMOSignalStrength[rfpath]; + 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] * (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); + ((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]); + RT_TRACE(COMP_DBG, + "priv->stats.rx_rssi_percentage[rfPath] = %d\n", + priv->stats.rx_rssi_percentage[rfpath]); } } - // - // Check PWDB. - // + /* Check PWDB. */ RT_TRACE(COMP_RXDESC, "Smooth %s PWDB = %d\n", pprevious_stats->bIsCCK ? "CCK" : "OFDM", pprevious_stats->RxPWDBAll); @@ -3802,7 +4081,7 @@ static void rtl8192_process_phyinfo(struct r8192_priv *priv, u8 *buffer, 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; + pprevious_stats->RxPWDBAll = priv->stats.Slide_Beacon_Total / slide_beacon_adc_pwdb_statistics; if (pprevious_stats->RxPWDBAll >= 3) pprevious_stats->RxPWDBAll -= 3; } @@ -3812,56 +4091,67 @@ static void rtl8192_process_phyinfo(struct r8192_priv *priv, u8 *buffer, 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->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) * (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); + (((priv->undecorated_smoothed_pwdb) * (Rx_Smooth_Factor - 1)) + + (pprevious_stats->RxPWDBAll)) / (Rx_Smooth_Factor); } } - // - // Check EVM - // + /* 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 (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_total += + pprevious_stats->SignalQuality; - priv->stats.slide_evm[slide_evm_index++] = 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; + /* <1> Showed on UI for user, in percentage. */ + tmp_val = priv->stats.slide_evm_total / + slide_evm_statistics; priv->stats.signal_quality = tmp_val; - //cosa add 10/11/2007, Showed on UI for user in Windows Vista, for Link quality. + /* 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) { + /* <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); + ((priv->stats.rx_evm_percentage[nspatial_stream] * (Rx_Smooth_Factor - 1)) + + (pprevious_stats->RxMIMOSignalQuality[nspatial_stream] * 1)) / (Rx_Smooth_Factor); } } } @@ -3880,11 +4170,6 @@ static void rtl8192_process_phyinfo(struct r8192_priv *priv, u8 *buffer, * Output: NONE * * Return: 0-100 percentage - * - * Revised History: - * When Who Remark - * 05/26/2008 amy Create Version 0 porting from windows code. - * *---------------------------------------------------------------------------*/ static u8 rtl819x_query_rxpwrpercentage(char antpower) { @@ -3913,16 +4198,12 @@ static u8 rtl819x_evm_dbtopercentage(char value) ret_val = 100; return ret_val; } -// -// Description: -// We want good-looking for signal strength/quality -// 2007/7/19 01:09, by cosa. -// +/* We want good-looking for signal strength/quality */ static long rtl819x_signal_scale_mapping(long currsig) { long retsig; - // Step 1. Scale mapping. + /* Step 1. Scale mapping. */ if (currsig >= 61 && currsig <= 100) retsig = 90 + ((currsig - 60) / 4); else if (currsig >= 41 && currsig <= 60) @@ -3975,24 +4256,25 @@ static void rtl8192_query_rxphystatus(struct r8192_priv *priv, phy_sts_ofdm_819xusb_t *pofdm_buf; phy_sts_cck_819xusb_t *pcck_buf; phy_ofdm_rx_status_rxsc_sgien_exintfflag *prxsc; - u8 *prxpkt; - u8 i, max_spatial_stream, tmp_rxsnr, tmp_rxevm, rxsc_sgien_exflg; - char rx_pwr[4], rx_pwr_all = 0; - char 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; + u8 *prxpkt; + u8 i, max_spatial_stream, tmp_rxsnr, tmp_rxevm, rxsc_sgien_exflg; + char rx_pwr[4], rx_pwr_all = 0; + char 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 + /* Record it for next packet processing */ memset(precord_stats, 0, sizeof(struct ieee80211_rx_stats)); - pstats->bPacketMatchBSSID = precord_stats->bPacketMatchBSSID = bpacket_match_bssid; + 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; @@ -4013,13 +4295,11 @@ static void rtl8192_query_rxphystatus(struct r8192_priv *priv, precord_stats->RxMIMOSignalQuality[1] = -1; if (is_cck_rate) { - // - // (1)Hardware does not provide RSSI for CCK - // + /* (1)Hardware does not provide RSSI for CCK */ - // - // (2)PWDB, Average PWDB cacluated by hardware (for rate adaptive) - // + /* (2)PWDB, Average PWDB cacluated by hardware + * (for rate adaptive) + */ u8 report; priv->stats.numqry_phystatusCCK++; @@ -4028,9 +4308,6 @@ static void rtl8192_query_rxphystatus(struct r8192_priv *priv, report = pcck_buf->cck_agc_rpt & 0xc0; report >>= 6; switch (report) { - //Fixed by Jacken from Bryant 2008-03-20 - //Original value is -38 , -26 , -14 , -2 - //Fixed value is -35 , -23 , -11 , 6 case 0x3: rx_pwr_all = -35 - (pcck_buf->cck_agc_rpt & 0x3e); break; @@ -4049,16 +4326,16 @@ static void rtl8192_query_rxphystatus(struct r8192_priv *priv, report >>= 5; switch (report) { case 0x3: - rx_pwr_all = -35 - ((pcck_buf->cck_agc_rpt & 0x1f)<<1); + 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); + 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); + 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); + rx_pwr_all = 6 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1); break; } } @@ -4067,9 +4344,7 @@ static void rtl8192_query_rxphystatus(struct r8192_priv *priv, pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all; pstats->RecvSignalPower = pwdb_all; - // - // (3) Get Signal Quality (EVM) - // + /* (3) Get Signal Quality (EVM) */ if (pstats->RxPWDBAll > 40) { sq = 100; @@ -4081,32 +4356,33 @@ static void rtl8192_query_rxphystatus(struct r8192_priv *priv, else if (pcck_buf->sq_rpt < 20) sq = 100; else - sq = ((64-sq) * 100) / 44; + 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; + 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 - // + + /* (1)Get RSSI for HT rate */ for (i = RF90_PATH_A; i < priv->NumTotalRFPath; i++) { - // 2008/01/30 MH we will judge RF RX path now. + /* 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)) + if (!rtl8192_phy_CheckIsLegalRFPath( + priv->ieee80211->dev, i)) continue; - //Fixed by Jacken from Bryant 2008-03-20 - //Original value is 106 - rx_pwr[i] = ((pofdm_buf->trsw_gain_X[i]&0x3F)*2) - 106; + rx_pwr[i] = + ((pofdm_buf->trsw_gain_X[i] & 0x3F) * 2) - 106; - //Get Rx snr value in DB + /* Get Rx snr value in DB */ tmp_rxsnr = pofdm_buf->rxsnr_X[i]; rx_snrX = (char)(tmp_rxsnr); rx_snrX /= 2; @@ -4117,69 +4393,87 @@ static void rtl8192_query_rxphystatus(struct r8192_priv *priv, total_rssi += RSSI; /* Record Signal Strength for next packet */ - pstats->RxMIMOSignalStrength[i] = (u8) RSSI; - precord_stats->RxMIMOSignalStrength[i] = (u8) RSSI; + pstats->RxMIMOSignalStrength[i] = (u8)RSSI; + precord_stats->RxMIMOSignalStrength[i] = (u8)RSSI; } - // - // (2)PWDB, Average PWDB cacluated by hardware (for rate adaptive) - // - //Fixed by Jacken from Bryant 2008-03-20 - //Original value is 106 - rx_pwr_all = (((pofdm_buf->pwdb_all) >> 1)& 0x7f) -106; + /* (2)PWDB, Average PWDB cacluated 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 - // + /* (3)EVM of HT rate */ if (pdrvinfo->RxHT && pdrvinfo->RxRate >= DESC90_RATEMCS8 && pdrvinfo->RxRate <= DESC90_RATEMCS15) - max_spatial_stream = 2; //both spatial stream make sense + /* both spatial stream make sense */ + max_spatial_stream = 2; else - max_spatial_stream = 1; //only spatial stream 1 makes sense + /* 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 = (char)(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 + /* 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 = (u8)(evm & 0xff); - pstats->RxMIMOSignalQuality[i] = precord_stats->RxMIMOSignalQuality[i] = (u8)(evm & 0xff); + if (i == 0) + /* Fill value in RFD, Get the first spatial + * stream only + */ + pstats->SignalQuality = + precord_stats->SignalQuality = + (u8)(evm & 0xff); + pstats->RxMIMOSignalQuality[i] = + precord_stats->RxMIMOSignalQuality[i] = + (u8)(evm & 0xff); } /* record rx statistics for debug */ rxsc_sgien_exflg = pofdm_buf->rxsc_sgien_exflg; - prxsc = (phy_ofdm_rx_status_rxsc_sgien_exintfflag *)&rxsc_sgien_exflg; + prxsc = (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[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(). + /* 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)); + 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))); + /* 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) +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; @@ -4191,17 +4485,19 @@ static void TranslateRxSignalStuff819xUsb(struct sk_buff *skb, struct ieee80211_rx_stats *pstats, rx_drvinfo_819x_usb *pdrvinfo) { - // TODO: We must only check packet for current MAC address. Not finish - rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb; + /* 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;//by amy + struct rtl_80211_hdr_3addr *hdr; u16 fc, type; - // Get Signal Quality for only RX data queue (but not command queue) + /* Get Signal Quality for only RX data queue (but not command queue) */ u8 *tmp_buf; u8 *praddr; @@ -4218,7 +4514,8 @@ static void TranslateRxSignalStuff819xUsb(struct sk_buff *skb, bpacket_match_bssid = (IEEE80211_FTYPE_CTL != type) && (eqMacAddr(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 & (eqMacAddr(praddr, priv->ieee80211->dev->dev_addr)); + bpacket_toself = bpacket_match_bssid & + (eqMacAddr(praddr, priv->ieee80211->dev->dev_addr)); if (WLAN_FC_GET_FRAMETYPE(fc) == IEEE80211_STYPE_BEACON) bPacketBeacon = true; @@ -4233,13 +4530,14 @@ static void TranslateRxSignalStuff819xUsb(struct sk_buff *skb, 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 + /* 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_query_rxphystatus(priv, pstats, pdrvinfo, &previous_stats, + bpacket_match_bssid, bpacket_toself, + bPacketBeacon, bToSelfBA); rtl8192_record_rxdesc_forlateruse(pstats, &previous_stats); } @@ -4263,9 +4561,11 @@ UpdateReceivedRateHistogramStatistics8190(struct net_device *dev, struct ieee80211_rx_stats *stats) { struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev); - u32 rcvType = 1; //0: Total, 1:OK, 2:CRC, 3:ICV + /* 0: Total, 1:OK, 2:CRC, 3:ICV */ + u32 rcvType = 1; u32 rateIndex; - u32 preamble_guardinterval; //1: short preamble/GI, 0: long preamble/GI + /* 1: short preamble/GI, 0: long preamble/GI */ + u32 preamble_guardinterval; if (stats->bCRC) @@ -4274,9 +4574,9 @@ UpdateReceivedRateHistogramStatistics8190(struct net_device *dev, rcvType = 3; if (stats->bShortPreamble) - preamble_guardinterval = 1;// short + preamble_guardinterval = 1; /* short */ else - preamble_guardinterval = 0;// long + preamble_guardinterval = 0; /* long */ switch (stats->rate) { /* CCK rate */ @@ -4371,7 +4671,7 @@ UpdateReceivedRateHistogramStatistics8190(struct net_device *dev, break; } priv->stats.received_preamble_GI[preamble_guardinterval][rateIndex]++; - priv->stats.received_rate_histogram[0][rateIndex]++; //total + priv->stats.received_rate_histogram[0][rateIndex]++; /* total */ priv->stats.received_rate_histogram[rcvType][rateIndex]++; } @@ -4380,14 +4680,12 @@ static void query_rxdesc_status(struct sk_buff *skb, struct ieee80211_rx_stats *stats, bool bIsRxAggrSubframe) { - rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb; + 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); rx_drvinfo_819x_usb *driver_info = NULL; - // - //Get Rx Descriptor Information - // + /* Get Rx Descriptor Information */ rx_desc_819x_usb *desc = (rx_desc_819x_usb *)skb->data; stats->Length = desc->Length; @@ -4395,7 +4693,7 @@ static void query_rxdesc_status(struct sk_buff *skb, stats->RxBufShift = 0; stats->bICV = desc->ICV; stats->bCRC = desc->CRC32; - stats->bHwError = stats->bCRC|stats->bICV; + stats->bHwError = stats->bCRC | stats->bICV; /* RTL8190 set this bit to indicate that Hw does not decrypt packet */ stats->Decrypted = !desc->SWDec; @@ -4403,29 +4701,36 @@ static void query_rxdesc_status(struct sk_buff *skb, (priv->ieee80211->pairwise_key_type == KEY_TYPE_CCMP)) stats->bHwError = false; else - stats->bHwError = stats->bCRC|stats->bICV; + 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 + /* 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 = (rx_drvinfo_819x_usb *)(skb->data + sizeof(rx_desc_819x_usb) + - stats->RxBufShift); + driver_info = (rx_drvinfo_819x_usb *)( + skb->data + + sizeof(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); + + 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, 2008.05.16, by Emily + /* Abnormal Case: Receive CRC OK packet with Rx + * descriptor indicating non supported rate. + * Special Error Handling here + */ stats->bHwError = 1; - stats->rate = MGN_1M; //Set 1M rate by default + /* Set 1M rate by default */ + stats->rate = MGN_1M; } else { stats->rate = ret_rate; } @@ -4439,25 +4744,22 @@ static void query_rxdesc_status(struct sk_buff *skb, UpdateReceivedRateHistogramStatistics8190(dev, stats); stats->bIsAMPDU = (driver_info->PartAggr == 1); - stats->bFirstMPDU = (driver_info->PartAggr == 1) && (driver_info->FirstAGGR == 1); + stats->bFirstMPDU = (driver_info->PartAggr == 1) && + (driver_info->FirstAGGR == 1); stats->TimeStampLow = driver_info->TSFL; - // xiong mask it, 070514 UpdateRxPktTimeStamp8190(dev, stats); - // - // Rx A-MPDU - // + /* 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", + RT_TRACE(COMP_RXDESC, + "driver_info->FirstAGGR = %d, driver_info->PartAggr = %d\n", driver_info->FirstAGGR, driver_info->PartAggr); } skb_pull(skb, sizeof(rx_desc_819x_usb)); - // - // Get Total offset of MPDU Frame Body - // + /* Get Total offset of MPDU Frame Body */ if ((stats->RxBufShift + stats->RxDrvInfoSize) > 0) { stats->bShift = 1; skb_pull(skb, stats->RxBufShift + stats->RxDrvInfoSize); @@ -4471,12 +4773,12 @@ static void query_rxdesc_status(struct sk_buff *skb, static void rtl8192_rx_nomal(struct sk_buff *skb) { - rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb; + 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 = -98, + .noise = 0x100 - 98, .rate = 0, .freq = IEEE80211_24GHZ_BAND, }; @@ -4497,9 +4799,9 @@ static void rtl8192_rx_nomal(struct sk_buff *skb) ieee80211_hdr = (struct rtl_80211_hdr_1addr *)skb->data; unicast_packet = false; if (is_broadcast_ether_addr(ieee80211_hdr->addr1)) { - //TODO + /* TODO */ } else if (is_multicast_ether_addr(ieee80211_hdr->addr1)) { - //TODO + /* TODO */ } else { /* unicast packet */ unicast_packet = true; @@ -4520,28 +4822,30 @@ static void rtl8192_rx_nomal(struct sk_buff *skb) } -static void rtl819xusb_process_received_packet(struct net_device *dev, - struct ieee80211_rx_stats *pstats) +static void rtl819xusb_process_received_packet( + struct net_device *dev, + struct ieee80211_rx_stats *pstats) { u8 *frame; u16 frame_len = 0; struct r8192_priv *priv = ieee80211_priv(dev); - // Get shifted bytes of Starting address of 802.11 header. 2006.09.28, by Emily - //porting by amy 080508 + /* Get shifted bytes of Starting address of 802.11 header. */ pstats->virtual_address += get_rxpacket_shiftbytes_819xusb(pstats); frame = pstats->virtual_address; frame_len = pstats->packetlength; -#ifdef TODO // by amy about HCT +#ifdef TODO /* about HCT */ if (!Adapter->bInHctTest) CountRxErrStatistics(Adapter, pRfd); #endif -#ifdef ENABLE_PS //by amy for adding ps function in future +#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. 2006.12.04, by shien chang. - Adapter->HalFunc.GetHwRegHandler(Adapter, HW_VAR_RF_STATE, (u8 *)(&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 @@ -4550,8 +4854,7 @@ static void rtl819xusb_process_received_packet(struct net_device *dev, #ifdef TODO RmMonitorSignalStrength(Adapter, pRfd); #endif - /* 2007/01/16 MH Add RX command packet handle here. */ - /* 2007/03/01 MH We have to release RFD and return if rx pkt is cmd pkt. */ + /* We have to release RFD and return if rx pkt is cmd pkt. */ if (rtl819xusb_rx_command_packet(dev, pstats)) return; @@ -4567,14 +4870,12 @@ static void query_rx_cmdpkt_desc_status(struct sk_buff *skb, { rx_desc_819x_usb *desc = (rx_desc_819x_usb *)skb->data; - // - //Get Rx Descriptor Information - // + /* 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->packetlength = stats->Length - scrclng; stats->fraglength = stats->packetlength; stats->fragoffset = 0; stats->ntotalfrag = 1; @@ -4588,7 +4889,7 @@ static void rtl8192_rx_cmd(struct sk_buff *skb) /* TODO */ struct ieee80211_rx_stats stats = { .signal = 0, - .noise = -98, + .noise = 0x100 - 98, .rate = 0, .freq = IEEE80211_24GHZ_BAND, }; @@ -4596,12 +4897,9 @@ static void rtl8192_rx_cmd(struct sk_buff *skb) if ((skb->len >= (20 + sizeof(rx_desc_819x_usb))) && (skb->len < RX_URB_SIZE)) { query_rx_cmdpkt_desc_status(skb, &stats); - // this is to be done by amy 080508 prfd->queue_id = 1; - + /* prfd->queue_id = 1; */ - // - // Process the command packet received. - // + /* Process the command packet received. */ rtl819xusb_process_received_packet(dev, &stats); @@ -4666,6 +4964,7 @@ static int rtl8192_usb_probe(struct usb_interface *intf, 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)); @@ -4680,14 +4979,16 @@ static int rtl8192_usb_probe(struct usb_interface *intf, dev->netdev_ops = &rtl8192_netdev_ops; - dev->wireless_handlers = (struct iw_handler_def *) &r8192_wx_handlers_def; + dev->wireless_handlers = + (struct iw_handler_def *)&r8192_wx_handlers_def; dev->type = ARPHRD_ETHER; - dev->watchdog_timeo = HZ*3; //modified by john, 0805 + dev->watchdog_timeo = HZ * 3; if (dev_alloc_name(dev, ifname) < 0) { - RT_TRACE(COMP_INIT, "Oops: devname already taken! Trying wlan%%d...\n"); + RT_TRACE(COMP_INIT, + "Oops: devname already taken! Trying wlan%%d...\n"); ifname = "wlan%d"; dev_alloc_name(dev, ifname); } @@ -4726,7 +5027,9 @@ fail: return ret; } -//detach all the work and timer structure declared or inititialize in r8192U_init function. +/* detach all the work and timer structure declared or inititialize + * in r8192U_init function. + */ static void rtl8192_cancel_deferred_work(struct r8192_priv *priv) { @@ -4740,13 +5043,13 @@ static void rtl8192_cancel_deferred_work(struct r8192_priv *priv) static void rtl8192_usb_disconnect(struct usb_interface *intf) { struct net_device *dev = usb_get_intfdata(intf); - struct r8192_priv *priv = ieee80211_priv(dev); - if (dev) { + if (dev) { unregister_netdev(dev); - RT_TRACE(COMP_DOWN, "=============>wlan driver to be removed\n"); + RT_TRACE(COMP_DOWN, + "=============>wlan driver to be removed\n"); rtl8192_proc_remove_one(dev); rtl8192_down(dev); @@ -4755,7 +5058,6 @@ static void rtl8192_usb_disconnect(struct usb_interface *intf) rtl8192_usb_deleteendpoints(dev); destroy_workqueue(priv->priv_wq); mdelay(10); - } free_ieee80211(dev); RT_TRACE(COMP_DOWN, "wlan driver removed\n"); @@ -4832,6 +5134,7 @@ 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 (((KEY_TYPE_WEP40 == ieee->pairwise_key_type) || (KEY_TYPE_WEP104 == ieee->pairwise_key_type)) && (priv->ieee80211->auth_mode != 2)) { SECR_value |= SCR_RxUseDK; @@ -4840,17 +5143,23 @@ void EnableHWSecurityConfig8192(struct net_device *dev) 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. WB on 2008.7.4 + /* 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; - if ((ieee->pHTInfo->IOTAction&HT_IOT_ACT_PURE_N_MODE) || !hwwep) { /* add hwsec_support flag to totol control hw_sec on/off */ + /* 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); + 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); } @@ -4862,39 +5171,42 @@ void setKey(struct net_device *dev, u8 EntryNo, u8 KeyIndex, u16 KeyType, u32 TargetContent = 0; u16 usConfig = 0; u8 i; + if (EntryNo >= TOTAL_CAM_ENTRY) RT_TRACE(COMP_ERR, "cam entry exceeds in setKey()\n"); - RT_TRACE(COMP_SEC, "====>to setKey(), dev:%p, EntryNo:%d, KeyIndex:%d, KeyType:%d, MacAddr%pM\n", dev, EntryNo, KeyIndex, KeyType, MacAddr); + RT_TRACE(COMP_SEC, + "====>to setKey(), dev:%p, EntryNo:%d, KeyIndex:%d, KeyType:%d, MacAddr%pM\n", + dev, EntryNo, KeyIndex, KeyType, MacAddr); if (DefaultKey) - usConfig |= BIT15 | (KeyType<<2); + usConfig |= BIT(15) | (KeyType << 2); else - usConfig |= BIT15 | (KeyType<<2) | KeyIndex; + usConfig |= BIT(15) | (KeyType << 2) | KeyIndex; for (i = 0; i < CAM_CONTENT_COUNT; i++) { - TargetCommand = i+CAM_CONTENT_COUNT*EntryNo; - TargetCommand |= BIT31|BIT16; + TargetCommand = i + CAM_CONTENT_COUNT * EntryNo; + TargetCommand |= BIT(31) | BIT(16); if (i == 0) { /* MAC|Config */ - TargetContent = (u32)(*(MacAddr+0)) << 16| - (u32)(*(MacAddr+1)) << 24| + TargetContent = (u32)(*(MacAddr + 0)) << 16 | + (u32)(*(MacAddr + 1)) << 24 | (u32)usConfig; write_nic_dword(dev, WCAMI, TargetContent); write_nic_dword(dev, RWCAM, TargetCommand); } else if (i == 1) { /* MAC */ - TargetContent = (u32)(*(MacAddr+2)) | - (u32)(*(MacAddr+3)) << 8| - (u32)(*(MacAddr+4)) << 16| - (u32)(*(MacAddr+5)) << 24; + TargetContent = (u32)(*(MacAddr + 2)) | + (u32)(*(MacAddr + 3)) << 8 | + (u32)(*(MacAddr + 4)) << 16 | + (u32)(*(MacAddr + 5)) << 24; write_nic_dword(dev, WCAMI, TargetContent); write_nic_dword(dev, RWCAM, TargetCommand); } else { - //Key Material + /* Key Material */ if (KeyContent != NULL) { - write_nic_dword(dev, WCAMI, (u32)(*(KeyContent+i-2))); + write_nic_dword(dev, WCAMI, (u32)(*(KeyContent + i - 2))); write_nic_dword(dev, RWCAM, TargetCommand); } } |