Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1 | /* |
| 2 | This is part of rtl818x pci OpenSource driver - v 0.1 |
Andrea Merello | 559a4c3 | 2013-08-26 13:53:30 +0200 | [diff] [blame] | 3 | Copyright (C) Andrea Merello 2004-2005 <andrea.merello@gmail.com> |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 4 | Released under the terms of GPL (General Public License) |
| 5 | |
| 6 | Parts of this driver are based on the GPL part of the official |
| 7 | Realtek driver. |
| 8 | |
| 9 | Parts of this driver are based on the rtl8180 driver skeleton |
| 10 | from Patric Schenke & Andres Salomon. |
| 11 | |
| 12 | Parts of this driver are based on the Intel Pro Wireless 2100 GPL driver. |
| 13 | |
| 14 | Parts of BB/RF code are derived from David Young rtl8180 netbsd driver. |
| 15 | |
| 16 | RSSI calc function from 'The Deuce' |
| 17 | |
| 18 | Some ideas borrowed from the 8139too.c driver included in linux kernel. |
| 19 | |
| 20 | We (I?) want to thanks the Authors of those projecs and also the |
| 21 | Ndiswrapper's project Authors. |
| 22 | |
| 23 | A big big thanks goes also to Realtek corp. for their help in my attempt to |
| 24 | add RTL8185 and RTL8225 support, and to David Young also. |
Bartlomiej Zolnierkiewicz | b6d11c0 | 2009-06-28 16:20:10 +0200 | [diff] [blame] | 25 | |
| 26 | Power management interface routines. |
| 27 | Written by Mariusz Matuszek. |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 28 | */ |
| 29 | |
YAMANE Toshiaki | fe5388c | 2012-11-22 09:07:04 +0900 | [diff] [blame] | 30 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
| 31 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 32 | #undef RX_DONT_PASS_UL |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 33 | #undef DUMMY_RX |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 34 | |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 35 | #include <linux/slab.h> |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 36 | #include <linux/syscalls.h> |
Larry Finger | 742821c | 2010-02-11 12:07:35 -0600 | [diff] [blame] | 37 | #include <linux/eeprom_93cx6.h> |
Stephen Rothwell | 219eb47 | 2011-06-19 22:41:59 -0700 | [diff] [blame] | 38 | #include <linux/interrupt.h> |
David Howells | 5ba02e3 | 2013-04-08 15:48:07 +0100 | [diff] [blame] | 39 | #include <linux/proc_fs.h> |
| 40 | #include <linux/seq_file.h> |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 41 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 42 | #include "r8180_hw.h" |
| 43 | #include "r8180.h" |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 44 | #include "r8180_rtl8225.h" /* RTL8225 Radio frontend */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 45 | #include "r8180_93cx6.h" /* Card EEPROM */ |
| 46 | #include "r8180_wx.h" |
| 47 | #include "r8180_dm.h" |
| 48 | |
Bartlomiej Zolnierkiewicz | fd9b8d6 | 2009-06-12 18:28:35 +0200 | [diff] [blame] | 49 | #include "ieee80211/dot11d.h" |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 50 | |
Bill Pemberton | 7df813d | 2012-11-19 13:24:44 -0500 | [diff] [blame] | 51 | static struct pci_device_id rtl8180_pci_id_tbl[] = { |
John Church | cb73da2 | 2010-04-08 16:04:17 -0500 | [diff] [blame] | 52 | { |
| 53 | .vendor = PCI_VENDOR_ID_REALTEK, |
| 54 | .device = 0x8199, |
| 55 | .subvendor = PCI_ANY_ID, |
| 56 | .subdevice = PCI_ANY_ID, |
| 57 | .driver_data = 0, |
| 58 | }, |
| 59 | { |
| 60 | .vendor = 0, |
| 61 | .device = 0, |
| 62 | .subvendor = 0, |
| 63 | .subdevice = 0, |
| 64 | .driver_data = 0, |
| 65 | } |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 66 | }; |
| 67 | |
Rusty Russell | dca4130 | 2010-08-11 23:04:21 -0600 | [diff] [blame] | 68 | static char ifname[IFNAMSIZ] = "wlan%d"; |
YAMANE Toshiaki | 49bd136 | 2012-11-22 09:05:53 +0900 | [diff] [blame] | 69 | static int hwwep; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 70 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 71 | MODULE_LICENSE("GPL"); |
| 72 | MODULE_DEVICE_TABLE(pci, rtl8180_pci_id_tbl); |
Andrea Merello | 559a4c3 | 2013-08-26 13:53:30 +0200 | [diff] [blame] | 73 | MODULE_AUTHOR("Andrea Merello <andrea.merello@gmail.com>"); |
Maxim Mikityanskiy | 5faca16 | 2012-11-13 19:28:13 +0200 | [diff] [blame] | 74 | MODULE_DESCRIPTION("Linux driver for Realtek RTL8187SE WiFi cards"); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 75 | |
Rusty Russell | dca4130 | 2010-08-11 23:04:21 -0600 | [diff] [blame] | 76 | module_param_string(ifname, ifname, sizeof(ifname), S_IRUGO|S_IWUSR); |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 77 | module_param(hwwep, int, S_IRUGO|S_IWUSR); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 78 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 79 | MODULE_PARM_DESC(hwwep, " Try to use hardware WEP support. Still broken and not available on all cards"); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 80 | |
Bill Pemberton | 19fc6b5 | 2012-11-19 13:22:08 -0500 | [diff] [blame] | 81 | static int rtl8180_pci_probe(struct pci_dev *pdev, |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 82 | const struct pci_device_id *id); |
| 83 | |
Bill Pemberton | ea7e9f2 | 2012-11-19 13:26:44 -0500 | [diff] [blame] | 84 | static void rtl8180_pci_remove(struct pci_dev *pdev); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 85 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 86 | static void rtl8180_shutdown(struct pci_dev *pdev) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 87 | { |
| 88 | struct net_device *dev = pci_get_drvdata(pdev); |
Alexander Beregalov | 727ae30 | 2009-05-10 03:06:54 +0400 | [diff] [blame] | 89 | if (dev->netdev_ops->ndo_stop) |
| 90 | dev->netdev_ops->ndo_stop(dev); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 91 | pci_disable_device(pdev); |
| 92 | } |
| 93 | |
Bartlomiej Zolnierkiewicz | b6d11c0 | 2009-06-28 16:20:10 +0200 | [diff] [blame] | 94 | static int rtl8180_suspend(struct pci_dev *pdev, pm_message_t state) |
| 95 | { |
| 96 | struct net_device *dev = pci_get_drvdata(pdev); |
| 97 | |
| 98 | if (!netif_running(dev)) |
| 99 | goto out_pci_suspend; |
| 100 | |
| 101 | if (dev->netdev_ops->ndo_stop) |
| 102 | dev->netdev_ops->ndo_stop(dev); |
| 103 | |
| 104 | netif_device_detach(dev); |
| 105 | |
| 106 | out_pci_suspend: |
| 107 | pci_save_state(pdev); |
| 108 | pci_disable_device(pdev); |
| 109 | pci_set_power_state(pdev, pci_choose_state(pdev, state)); |
| 110 | return 0; |
| 111 | } |
| 112 | |
| 113 | static int rtl8180_resume(struct pci_dev *pdev) |
| 114 | { |
| 115 | struct net_device *dev = pci_get_drvdata(pdev); |
| 116 | int err; |
| 117 | u32 val; |
| 118 | |
| 119 | pci_set_power_state(pdev, PCI_D0); |
| 120 | |
| 121 | err = pci_enable_device(pdev); |
| 122 | if (err) { |
YAMANE Toshiaki | fe5388c | 2012-11-22 09:07:04 +0900 | [diff] [blame] | 123 | dev_err(&pdev->dev, "pci_enable_device failed on resume\n"); |
Bartlomiej Zolnierkiewicz | b6d11c0 | 2009-06-28 16:20:10 +0200 | [diff] [blame] | 124 | |
| 125 | return err; |
| 126 | } |
| 127 | |
| 128 | pci_restore_state(pdev); |
| 129 | |
| 130 | /* |
| 131 | * Suspend/Resume resets the PCI configuration space, so we have to |
| 132 | * re-disable the RETRY_TIMEOUT register (0x41) to keep PCI Tx retries |
| 133 | * from interfering with C3 CPU state. pci_restore_state won't help |
| 134 | * here since it only restores the first 64 bytes pci config header. |
| 135 | */ |
| 136 | pci_read_config_dword(pdev, 0x40, &val); |
| 137 | if ((val & 0x0000ff00) != 0) |
| 138 | pci_write_config_dword(pdev, 0x40, val & 0xffff00ff); |
| 139 | |
| 140 | if (!netif_running(dev)) |
| 141 | goto out; |
| 142 | |
| 143 | if (dev->netdev_ops->ndo_open) |
| 144 | dev->netdev_ops->ndo_open(dev); |
| 145 | |
| 146 | netif_device_attach(dev); |
| 147 | out: |
| 148 | return 0; |
| 149 | } |
| 150 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 151 | static struct pci_driver rtl8180_pci_driver = { |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 152 | .name = RTL8180_MODULE_NAME, |
| 153 | .id_table = rtl8180_pci_id_tbl, |
| 154 | .probe = rtl8180_pci_probe, |
Bill Pemberton | 435c78d | 2012-11-19 13:20:56 -0500 | [diff] [blame] | 155 | .remove = rtl8180_pci_remove, |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 156 | .suspend = rtl8180_suspend, |
| 157 | .resume = rtl8180_resume, |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 158 | .shutdown = rtl8180_shutdown, |
| 159 | }; |
| 160 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 161 | u8 read_nic_byte(struct net_device *dev, int x) |
| 162 | { |
John Church | cb73da2 | 2010-04-08 16:04:17 -0500 | [diff] [blame] | 163 | return 0xff&readb((u8 *)dev->mem_start + x); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 164 | } |
| 165 | |
| 166 | u32 read_nic_dword(struct net_device *dev, int x) |
| 167 | { |
John Church | cb73da2 | 2010-04-08 16:04:17 -0500 | [diff] [blame] | 168 | return readl((u8 *)dev->mem_start + x); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 169 | } |
| 170 | |
| 171 | u16 read_nic_word(struct net_device *dev, int x) |
| 172 | { |
John Church | cb73da2 | 2010-04-08 16:04:17 -0500 | [diff] [blame] | 173 | return readw((u8 *)dev->mem_start + x); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 174 | } |
| 175 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 176 | void write_nic_byte(struct net_device *dev, int x, u8 y) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 177 | { |
John Church | cb73da2 | 2010-04-08 16:04:17 -0500 | [diff] [blame] | 178 | writeb(y, (u8 *)dev->mem_start + x); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 179 | udelay(20); |
| 180 | } |
| 181 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 182 | void write_nic_dword(struct net_device *dev, int x, u32 y) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 183 | { |
John Church | cb73da2 | 2010-04-08 16:04:17 -0500 | [diff] [blame] | 184 | writel(y, (u8 *)dev->mem_start + x); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 185 | udelay(20); |
| 186 | } |
| 187 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 188 | void write_nic_word(struct net_device *dev, int x, u16 y) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 189 | { |
John Church | cb73da2 | 2010-04-08 16:04:17 -0500 | [diff] [blame] | 190 | writew(y, (u8 *)dev->mem_start + x); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 191 | udelay(20); |
| 192 | } |
| 193 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 194 | inline void force_pci_posting(struct net_device *dev) |
| 195 | { |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 196 | read_nic_byte(dev, EPROM_CMD); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 197 | mb(); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 198 | } |
| 199 | |
navin patidar | 9fc0944 | 2013-08-23 18:24:02 +0530 | [diff] [blame] | 200 | static irqreturn_t rtl8180_interrupt(int irq, void *netdev); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 201 | void set_nic_rxring(struct net_device *dev); |
| 202 | void set_nic_txring(struct net_device *dev); |
| 203 | static struct net_device_stats *rtl8180_stats(struct net_device *dev); |
| 204 | void rtl8180_commit(struct net_device *dev); |
| 205 | void rtl8180_start_tx_beacon(struct net_device *dev); |
| 206 | |
YAMANE Toshiaki | 49bd136 | 2012-11-22 09:05:53 +0900 | [diff] [blame] | 207 | static struct proc_dir_entry *rtl8180_proc; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 208 | |
David Howells | 5ba02e3 | 2013-04-08 15:48:07 +0100 | [diff] [blame] | 209 | static int proc_get_registers(struct seq_file *m, void *v) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 210 | { |
David Howells | 5ba02e3 | 2013-04-08 15:48:07 +0100 | [diff] [blame] | 211 | struct net_device *dev = m->private; |
| 212 | int i, n, max = 0xff; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 213 | |
| 214 | /* This dump the current register page */ |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 215 | for (n = 0; n <= max;) { |
David Howells | 5ba02e3 | 2013-04-08 15:48:07 +0100 | [diff] [blame] | 216 | seq_printf(m, "\nD: %2x > ", n); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 217 | |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 218 | for (i = 0; i < 16 && n <= max; i++, n++) |
David Howells | 5ba02e3 | 2013-04-08 15:48:07 +0100 | [diff] [blame] | 219 | seq_printf(m, "%2x ", read_nic_byte(dev, n)); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 220 | } |
David Howells | 5ba02e3 | 2013-04-08 15:48:07 +0100 | [diff] [blame] | 221 | seq_putc(m, '\n'); |
| 222 | return 0; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 223 | } |
| 224 | |
| 225 | int get_curr_tx_free_desc(struct net_device *dev, int priority); |
| 226 | |
David Howells | 5ba02e3 | 2013-04-08 15:48:07 +0100 | [diff] [blame] | 227 | static int proc_get_stats_hw(struct seq_file *m, void *v) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 228 | { |
David Howells | 5ba02e3 | 2013-04-08 15:48:07 +0100 | [diff] [blame] | 229 | return 0; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 230 | } |
| 231 | |
David Howells | 5ba02e3 | 2013-04-08 15:48:07 +0100 | [diff] [blame] | 232 | static int proc_get_stats_rx(struct seq_file *m, void *v) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 233 | { |
David Howells | 5ba02e3 | 2013-04-08 15:48:07 +0100 | [diff] [blame] | 234 | struct net_device *dev = m->private; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 235 | struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); |
| 236 | |
David Howells | 5ba02e3 | 2013-04-08 15:48:07 +0100 | [diff] [blame] | 237 | seq_printf(m, |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 238 | "RX OK: %lu\n" |
| 239 | "RX Retry: %lu\n" |
| 240 | "RX CRC Error(0-500): %lu\n" |
| 241 | "RX CRC Error(500-1000): %lu\n" |
| 242 | "RX CRC Error(>1000): %lu\n" |
| 243 | "RX ICV Error: %lu\n", |
| 244 | priv->stats.rxint, |
| 245 | priv->stats.rxerr, |
| 246 | priv->stats.rxcrcerrmin, |
| 247 | priv->stats.rxcrcerrmid, |
| 248 | priv->stats.rxcrcerrmax, |
| 249 | priv->stats.rxicverr |
| 250 | ); |
| 251 | |
David Howells | 5ba02e3 | 2013-04-08 15:48:07 +0100 | [diff] [blame] | 252 | return 0; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 253 | } |
| 254 | |
David Howells | 5ba02e3 | 2013-04-08 15:48:07 +0100 | [diff] [blame] | 255 | static int proc_get_stats_tx(struct seq_file *m, void *v) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 256 | { |
David Howells | 5ba02e3 | 2013-04-08 15:48:07 +0100 | [diff] [blame] | 257 | struct net_device *dev = m->private; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 258 | struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 259 | unsigned long totalOK; |
| 260 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 261 | totalOK = priv->stats.txnpokint+priv->stats.txhpokint+priv->stats.txlpokint; |
David Howells | 5ba02e3 | 2013-04-08 15:48:07 +0100 | [diff] [blame] | 262 | seq_printf(m, |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 263 | "TX OK: %lu\n" |
| 264 | "TX Error: %lu\n" |
| 265 | "TX Retry: %lu\n" |
| 266 | "TX beacon OK: %lu\n" |
| 267 | "TX beacon error: %lu\n", |
| 268 | totalOK, |
| 269 | priv->stats.txnperr+priv->stats.txhperr+priv->stats.txlperr, |
| 270 | priv->stats.txretry, |
| 271 | priv->stats.txbeacon, |
| 272 | priv->stats.txbeaconerr |
| 273 | ); |
| 274 | |
David Howells | 5ba02e3 | 2013-04-08 15:48:07 +0100 | [diff] [blame] | 275 | return 0; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 276 | } |
| 277 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 278 | void rtl8180_proc_module_init(void) |
| 279 | { |
| 280 | DMESG("Initializing proc filesystem"); |
Al Viro | e55d92b | 2011-07-24 02:07:46 -0400 | [diff] [blame] | 281 | rtl8180_proc = proc_mkdir(RTL8180_MODULE_NAME, init_net.proc_net); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 282 | } |
| 283 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 284 | void rtl8180_proc_module_remove(void) |
| 285 | { |
John Church | cb73da2 | 2010-04-08 16:04:17 -0500 | [diff] [blame] | 286 | remove_proc_entry(RTL8180_MODULE_NAME, init_net.proc_net); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 287 | } |
| 288 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 289 | void rtl8180_proc_remove_one(struct net_device *dev) |
| 290 | { |
David Howells | c4558a2 | 2013-04-12 02:59:48 +0100 | [diff] [blame] | 291 | remove_proc_subtree(dev->name, rtl8180_proc); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 292 | } |
| 293 | |
David Howells | 5ba02e3 | 2013-04-08 15:48:07 +0100 | [diff] [blame] | 294 | /* |
| 295 | * seq_file wrappers for procfile show routines. |
| 296 | */ |
| 297 | static int rtl8180_proc_open(struct inode *inode, struct file *file) |
| 298 | { |
David Howells | 4a520d2 | 2013-04-12 14:06:01 +0100 | [diff] [blame] | 299 | struct net_device *dev = proc_get_parent_data(inode); |
David Howells | 5ba02e3 | 2013-04-08 15:48:07 +0100 | [diff] [blame] | 300 | int (*show)(struct seq_file *, void *) = PDE_DATA(inode); |
| 301 | |
| 302 | return single_open(file, show, dev); |
| 303 | } |
| 304 | |
| 305 | static const struct file_operations rtl8180_proc_fops = { |
| 306 | .open = rtl8180_proc_open, |
| 307 | .read = seq_read, |
| 308 | .llseek = seq_lseek, |
Al Viro | bae301d | 2013-05-05 00:15:43 -0400 | [diff] [blame] | 309 | .release = single_release, |
David Howells | 5ba02e3 | 2013-04-08 15:48:07 +0100 | [diff] [blame] | 310 | }; |
| 311 | |
| 312 | /* |
| 313 | * Table of proc files we need to create. |
| 314 | */ |
| 315 | struct rtl8180_proc_file { |
| 316 | char name[12]; |
| 317 | int (*show)(struct seq_file *, void *); |
| 318 | }; |
| 319 | |
| 320 | static const struct rtl8180_proc_file rtl8180_proc_files[] = { |
| 321 | { "stats-hw", &proc_get_stats_hw }, |
| 322 | { "stats-rx", &proc_get_stats_rx }, |
| 323 | { "stats-tx", &proc_get_stats_tx }, |
| 324 | { "registers", &proc_get_registers }, |
| 325 | { "" } |
| 326 | }; |
| 327 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 328 | void rtl8180_proc_init_one(struct net_device *dev) |
| 329 | { |
David Howells | 5ba02e3 | 2013-04-08 15:48:07 +0100 | [diff] [blame] | 330 | const struct rtl8180_proc_file *f; |
David Howells | c4558a2 | 2013-04-12 02:59:48 +0100 | [diff] [blame] | 331 | struct proc_dir_entry *dir; |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 332 | |
David Howells | c4558a2 | 2013-04-12 02:59:48 +0100 | [diff] [blame] | 333 | dir = proc_mkdir_data(dev->name, 0, rtl8180_proc, dev); |
| 334 | if (!dir) { |
| 335 | DMESGE("Unable to initialize /proc/net/r8180/%s\n", dev->name); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 336 | return; |
| 337 | } |
| 338 | |
David Howells | 5ba02e3 | 2013-04-08 15:48:07 +0100 | [diff] [blame] | 339 | for (f = rtl8180_proc_files; f->name[0]; f++) { |
David Howells | c4558a2 | 2013-04-12 02:59:48 +0100 | [diff] [blame] | 340 | if (!proc_create_data(f->name, S_IFREG | S_IRUGO, dir, |
David Howells | 5ba02e3 | 2013-04-08 15:48:07 +0100 | [diff] [blame] | 341 | &rtl8180_proc_fops, f->show)) { |
David Howells | c4558a2 | 2013-04-12 02:59:48 +0100 | [diff] [blame] | 342 | DMESGE("Unable to initialize /proc/net/r8180/%s/%s\n", |
| 343 | dev->name, f->name); |
David Howells | 5ba02e3 | 2013-04-08 15:48:07 +0100 | [diff] [blame] | 344 | return; |
| 345 | } |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 346 | } |
| 347 | } |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 348 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 349 | /* |
| 350 | FIXME: check if we can use some standard already-existent |
| 351 | data type+functions in kernel |
| 352 | */ |
| 353 | |
| 354 | short buffer_add(struct buffer **buffer, u32 *buf, dma_addr_t dma, |
| 355 | struct buffer **bufferhead) |
| 356 | { |
John Church | cb73da2 | 2010-04-08 16:04:17 -0500 | [diff] [blame] | 357 | struct buffer *tmp; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 358 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 359 | if (!*buffer) { |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 360 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 361 | *buffer = kmalloc(sizeof(struct buffer), GFP_KERNEL); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 362 | |
| 363 | if (*buffer == NULL) { |
| 364 | DMESGE("Failed to kmalloc head of TX/RX struct"); |
| 365 | return -1; |
| 366 | } |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 367 | (*buffer)->next = *buffer; |
| 368 | (*buffer)->buf = buf; |
| 369 | (*buffer)->dma = dma; |
| 370 | if (bufferhead != NULL) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 371 | (*bufferhead) = (*buffer); |
| 372 | return 0; |
| 373 | } |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 374 | tmp = *buffer; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 375 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 376 | while (tmp->next != (*buffer)) |
| 377 | tmp = tmp->next; |
| 378 | tmp->next = kmalloc(sizeof(struct buffer), GFP_KERNEL); |
Joe Perches | 53756de | 2010-03-24 22:17:01 -0700 | [diff] [blame] | 379 | if (tmp->next == NULL) { |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 380 | DMESGE("Failed to kmalloc TX/RX struct"); |
| 381 | return -1; |
| 382 | } |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 383 | tmp->next->buf = buf; |
| 384 | tmp->next->dma = dma; |
| 385 | tmp->next->next = *buffer; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 386 | |
| 387 | return 0; |
| 388 | } |
| 389 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 390 | void buffer_free(struct net_device *dev, struct buffer **buffer, int len, short consistent) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 391 | { |
| 392 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 393 | struct buffer *tmp, *next; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 394 | struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 395 | struct pci_dev *pdev = priv->pdev; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 396 | |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 397 | if (!*buffer) |
| 398 | return; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 399 | |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 400 | tmp = *buffer; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 401 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 402 | do { |
| 403 | next = tmp->next; |
| 404 | if (consistent) { |
| 405 | pci_free_consistent(pdev, len, |
| 406 | tmp->buf, tmp->dma); |
| 407 | } else { |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 408 | pci_unmap_single(pdev, tmp->dma, |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 409 | len, PCI_DMA_FROMDEVICE); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 410 | kfree(tmp->buf); |
| 411 | } |
| 412 | kfree(tmp); |
| 413 | tmp = next; |
Andrew Miller | 24a39f7 | 2012-03-14 18:26:58 -0400 | [diff] [blame] | 414 | } while (next != *buffer); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 415 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 416 | *buffer = NULL; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 417 | } |
| 418 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 419 | int get_curr_tx_free_desc(struct net_device *dev, int priority) |
| 420 | { |
| 421 | struct r8180_priv *priv = ieee80211_priv(dev); |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 422 | u32 *tail; |
| 423 | u32 *head; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 424 | int ret; |
| 425 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 426 | switch (priority) { |
| 427 | case MANAGE_PRIORITY: |
| 428 | head = priv->txmapringhead; |
| 429 | tail = priv->txmapringtail; |
| 430 | break; |
| 431 | case BK_PRIORITY: |
| 432 | head = priv->txbkpringhead; |
| 433 | tail = priv->txbkpringtail; |
| 434 | break; |
| 435 | case BE_PRIORITY: |
| 436 | head = priv->txbepringhead; |
| 437 | tail = priv->txbepringtail; |
| 438 | break; |
| 439 | case VI_PRIORITY: |
| 440 | head = priv->txvipringhead; |
| 441 | tail = priv->txvipringtail; |
| 442 | break; |
| 443 | case VO_PRIORITY: |
| 444 | head = priv->txvopringhead; |
| 445 | tail = priv->txvopringtail; |
| 446 | break; |
| 447 | case HI_PRIORITY: |
| 448 | head = priv->txhpringhead; |
| 449 | tail = priv->txhpringtail; |
| 450 | break; |
| 451 | default: |
| 452 | return -1; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 453 | } |
| 454 | |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 455 | if (head <= tail) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 456 | ret = priv->txringcount - (tail - head)/8; |
| 457 | else |
| 458 | ret = (head - tail)/8; |
| 459 | |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 460 | if (ret > priv->txringcount) |
| 461 | DMESG("BUG"); |
| 462 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 463 | return ret; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 464 | } |
| 465 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 466 | short check_nic_enought_desc(struct net_device *dev, int priority) |
| 467 | { |
| 468 | struct r8180_priv *priv = ieee80211_priv(dev); |
| 469 | struct ieee80211_device *ieee = netdev_priv(dev); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 470 | int requiredbyte, required; |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 471 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 472 | requiredbyte = priv->ieee80211->fts + sizeof(struct ieee80211_header_data); |
| 473 | |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 474 | if (ieee->current_network.QoS_Enable) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 475 | requiredbyte += 2; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 476 | |
| 477 | required = requiredbyte / (priv->txbuffsize-4); |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 478 | |
| 479 | if (requiredbyte % priv->txbuffsize) |
| 480 | required++; |
| 481 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 482 | /* for now we keep two free descriptor as a safety boundary |
| 483 | * between the tail and the head |
| 484 | */ |
| 485 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 486 | return (required+2 < get_curr_tx_free_desc(dev, priority)); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 487 | } |
| 488 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 489 | void fix_tx_fifo(struct net_device *dev) |
| 490 | { |
| 491 | struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); |
| 492 | u32 *tmp; |
| 493 | int i; |
Bartlomiej Zolnierkiewicz | ff95485 | 2009-06-28 16:19:38 +0200 | [diff] [blame] | 494 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 495 | for (tmp = priv->txmapring, i = 0; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 496 | i < priv->txringcount; |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 497 | tmp += 8, i++) { |
| 498 | *tmp = *tmp & ~(1<<31); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 499 | } |
| 500 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 501 | for (tmp = priv->txbkpring, i = 0; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 502 | i < priv->txringcount; |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 503 | tmp += 8, i++) { |
| 504 | *tmp = *tmp & ~(1<<31); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 505 | } |
| 506 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 507 | for (tmp = priv->txbepring, i = 0; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 508 | i < priv->txringcount; |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 509 | tmp += 8, i++) { |
| 510 | *tmp = *tmp & ~(1<<31); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 511 | } |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 512 | for (tmp = priv->txvipring, i = 0; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 513 | i < priv->txringcount; |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 514 | tmp += 8, i++) { |
| 515 | *tmp = *tmp & ~(1<<31); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 516 | } |
| 517 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 518 | for (tmp = priv->txvopring, i = 0; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 519 | i < priv->txringcount; |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 520 | tmp += 8, i++) { |
| 521 | *tmp = *tmp & ~(1<<31); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 522 | } |
| 523 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 524 | for (tmp = priv->txhpring, i = 0; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 525 | i < priv->txringcount; |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 526 | tmp += 8, i++) { |
| 527 | *tmp = *tmp & ~(1<<31); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 528 | } |
| 529 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 530 | for (tmp = priv->txbeaconring, i = 0; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 531 | i < priv->txbeaconcount; |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 532 | tmp += 8, i++) { |
| 533 | *tmp = *tmp & ~(1<<31); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 534 | } |
Bartlomiej Zolnierkiewicz | ff95485 | 2009-06-28 16:19:38 +0200 | [diff] [blame] | 535 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 536 | priv->txmapringtail = priv->txmapring; |
| 537 | priv->txmapringhead = priv->txmapring; |
| 538 | priv->txmapbufstail = priv->txmapbufs; |
| 539 | |
| 540 | priv->txbkpringtail = priv->txbkpring; |
| 541 | priv->txbkpringhead = priv->txbkpring; |
| 542 | priv->txbkpbufstail = priv->txbkpbufs; |
| 543 | |
| 544 | priv->txbepringtail = priv->txbepring; |
| 545 | priv->txbepringhead = priv->txbepring; |
| 546 | priv->txbepbufstail = priv->txbepbufs; |
| 547 | |
| 548 | priv->txvipringtail = priv->txvipring; |
| 549 | priv->txvipringhead = priv->txvipring; |
| 550 | priv->txvipbufstail = priv->txvipbufs; |
| 551 | |
| 552 | priv->txvopringtail = priv->txvopring; |
| 553 | priv->txvopringhead = priv->txvopring; |
| 554 | priv->txvopbufstail = priv->txvopbufs; |
| 555 | |
| 556 | priv->txhpringtail = priv->txhpring; |
| 557 | priv->txhpringhead = priv->txhpring; |
| 558 | priv->txhpbufstail = priv->txhpbufs; |
| 559 | |
| 560 | priv->txbeaconringtail = priv->txbeaconring; |
| 561 | priv->txbeaconbufstail = priv->txbeaconbufs; |
| 562 | set_nic_txring(dev); |
| 563 | |
| 564 | ieee80211_reset_queue(priv->ieee80211); |
| 565 | priv->ack_tx_to_ieee = 0; |
| 566 | } |
| 567 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 568 | void fix_rx_fifo(struct net_device *dev) |
| 569 | { |
| 570 | struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); |
| 571 | u32 *tmp; |
| 572 | struct buffer *rxbuf; |
| 573 | u8 rx_desc_size; |
| 574 | |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 575 | rx_desc_size = 8; /* 4*8 = 32 bytes */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 576 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 577 | for (tmp = priv->rxring, rxbuf = priv->rxbufferhead; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 578 | (tmp < (priv->rxring)+(priv->rxringcount)*rx_desc_size); |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 579 | tmp += rx_desc_size, rxbuf = rxbuf->next) { |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 580 | *(tmp+2) = rxbuf->dma; |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 581 | *tmp = *tmp & ~0xfff; |
| 582 | *tmp = *tmp | priv->rxbuffersize; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 583 | *tmp |= (1<<31); |
| 584 | } |
| 585 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 586 | priv->rxringtail = priv->rxring; |
| 587 | priv->rxbuffer = priv->rxbufferhead; |
| 588 | priv->rx_skb_complete = 1; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 589 | set_nic_rxring(dev); |
| 590 | } |
| 591 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 592 | void rtl8180_irq_disable(struct net_device *dev) |
| 593 | { |
| 594 | struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); |
| 595 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 596 | write_nic_dword(dev, IMR, 0); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 597 | force_pci_posting(dev); |
| 598 | priv->irq_enabled = 0; |
| 599 | } |
| 600 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 601 | void rtl8180_set_mode(struct net_device *dev, int mode) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 602 | { |
| 603 | u8 ecmd; |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 604 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 605 | ecmd = read_nic_byte(dev, EPROM_CMD); |
| 606 | ecmd = ecmd & ~EPROM_CMD_OPERATING_MODE_MASK; |
| 607 | ecmd = ecmd | (mode<<EPROM_CMD_OPERATING_MODE_SHIFT); |
| 608 | ecmd = ecmd & ~(1<<EPROM_CS_SHIFT); |
| 609 | ecmd = ecmd & ~(1<<EPROM_CK_SHIFT); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 610 | write_nic_byte(dev, EPROM_CMD, ecmd); |
| 611 | } |
| 612 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 613 | void rtl8180_beacon_tx_enable(struct net_device *dev); |
| 614 | |
| 615 | void rtl8180_update_msr(struct net_device *dev) |
| 616 | { |
| 617 | struct r8180_priv *priv = ieee80211_priv(dev); |
| 618 | u8 msr; |
| 619 | u32 rxconf; |
| 620 | |
| 621 | msr = read_nic_byte(dev, MSR); |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 622 | msr &= ~MSR_LINK_MASK; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 623 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 624 | rxconf = read_nic_dword(dev, RX_CONF); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 625 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 626 | if (priv->ieee80211->state == IEEE80211_LINKED) { |
| 627 | if (priv->ieee80211->iw_mode == IW_MODE_ADHOC) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 628 | msr |= (MSR_LINK_ADHOC<<MSR_LINK_SHIFT); |
| 629 | else if (priv->ieee80211->iw_mode == IW_MODE_MASTER) |
| 630 | msr |= (MSR_LINK_MASTER<<MSR_LINK_SHIFT); |
| 631 | else if (priv->ieee80211->iw_mode == IW_MODE_INFRA) |
| 632 | msr |= (MSR_LINK_MANAGED<<MSR_LINK_SHIFT); |
| 633 | else |
| 634 | msr |= (MSR_LINK_NONE<<MSR_LINK_SHIFT); |
| 635 | rxconf |= (1<<RX_CHECK_BSSID_SHIFT); |
| 636 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 637 | } else { |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 638 | msr |= (MSR_LINK_NONE<<MSR_LINK_SHIFT); |
| 639 | rxconf &= ~(1<<RX_CHECK_BSSID_SHIFT); |
| 640 | } |
| 641 | |
| 642 | write_nic_byte(dev, MSR, msr); |
| 643 | write_nic_dword(dev, RX_CONF, rxconf); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 644 | } |
| 645 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 646 | void rtl8180_set_chan(struct net_device *dev, short ch) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 647 | { |
| 648 | struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); |
| 649 | |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 650 | if ((ch > 14) || (ch < 1)) { |
Harvey Harrison | d599edc | 2009-01-07 14:31:57 -0800 | [diff] [blame] | 651 | printk("In %s: Invalid chnanel %d\n", __func__, ch); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 652 | return; |
| 653 | } |
| 654 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 655 | priv->chan = ch; |
| 656 | priv->rf_set_chan(dev, priv->chan); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 657 | } |
| 658 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 659 | void set_nic_txring(struct net_device *dev) |
| 660 | { |
| 661 | struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 662 | |
| 663 | write_nic_dword(dev, TX_MANAGEPRIORITY_RING_ADDR, priv->txmapringdma); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 664 | write_nic_dword(dev, TX_BKPRIORITY_RING_ADDR, priv->txbkpringdma); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 665 | write_nic_dword(dev, TX_BEPRIORITY_RING_ADDR, priv->txbepringdma); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 666 | write_nic_dword(dev, TX_VIPRIORITY_RING_ADDR, priv->txvipringdma); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 667 | write_nic_dword(dev, TX_VOPRIORITY_RING_ADDR, priv->txvopringdma); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 668 | write_nic_dword(dev, TX_HIGHPRIORITY_RING_ADDR, priv->txhpringdma); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 669 | write_nic_dword(dev, TX_BEACON_RING_ADDR, priv->txbeaconringdma); |
| 670 | } |
| 671 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 672 | void rtl8180_beacon_tx_enable(struct net_device *dev) |
| 673 | { |
| 674 | struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); |
| 675 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 676 | rtl8180_set_mode(dev, EPROM_CMD_CONFIG); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 677 | priv->dma_poll_stop_mask &= ~(TPPOLLSTOP_BQ); |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 678 | write_nic_byte(dev, TPPollStop, priv->dma_poll_mask); |
| 679 | rtl8180_set_mode(dev, EPROM_CMD_NORMAL); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 680 | } |
| 681 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 682 | void rtl8180_beacon_tx_disable(struct net_device *dev) |
| 683 | { |
| 684 | struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); |
| 685 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 686 | rtl8180_set_mode(dev, EPROM_CMD_CONFIG); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 687 | priv->dma_poll_stop_mask |= TPPOLLSTOP_BQ; |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 688 | write_nic_byte(dev, TPPollStop, priv->dma_poll_stop_mask); |
| 689 | rtl8180_set_mode(dev, EPROM_CMD_NORMAL); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 690 | |
| 691 | } |
| 692 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 693 | void rtl8180_rtx_disable(struct net_device *dev) |
| 694 | { |
| 695 | u8 cmd; |
| 696 | struct r8180_priv *priv = ieee80211_priv(dev); |
| 697 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 698 | cmd = read_nic_byte(dev, CMD); |
YAMANE Toshiaki | 5375819d | 2012-11-22 09:06:37 +0900 | [diff] [blame] | 699 | write_nic_byte(dev, CMD, cmd & |
| 700 | ~((1<<CMD_RX_ENABLE_SHIFT)|(1<<CMD_TX_ENABLE_SHIFT))); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 701 | force_pci_posting(dev); |
| 702 | mdelay(10); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 703 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 704 | if (!priv->rx_skb_complete) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 705 | dev_kfree_skb_any(priv->rx_skb); |
| 706 | } |
| 707 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 708 | short alloc_tx_desc_ring(struct net_device *dev, int bufsize, int count, |
| 709 | int addr) |
| 710 | { |
| 711 | int i; |
| 712 | u32 *desc; |
| 713 | u32 *tmp; |
| 714 | dma_addr_t dma_desc, dma_tmp; |
| 715 | struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); |
| 716 | struct pci_dev *pdev = priv->pdev; |
| 717 | void *buf; |
| 718 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 719 | if ((bufsize & 0xfff) != bufsize) { |
| 720 | DMESGE("TX buffer allocation too large"); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 721 | return 0; |
| 722 | } |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 723 | desc = (u32 *)pci_alloc_consistent(pdev, |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 724 | sizeof(u32)*8*count+256, &dma_desc); |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 725 | if (desc == NULL) |
| 726 | return -1; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 727 | |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 728 | if (dma_desc & 0xff) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 729 | /* |
| 730 | * descriptor's buffer must be 256 byte aligned |
| 731 | * we shouldn't be here, since we set DMA mask ! |
| 732 | */ |
Larry Finger | be286fd | 2009-04-18 21:09:08 -0500 | [diff] [blame] | 733 | WARN(1, "DMA buffer is not aligned\n"); |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 734 | |
| 735 | tmp = desc; |
| 736 | |
| 737 | for (i = 0; i < count; i++) { |
| 738 | buf = (void *)pci_alloc_consistent(pdev, bufsize, &dma_tmp); |
| 739 | if (buf == NULL) |
| 740 | return -ENOMEM; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 741 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 742 | switch (addr) { |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 743 | case TX_MANAGEPRIORITY_RING_ADDR: |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 744 | if (-1 == buffer_add(&(priv->txmapbufs), buf, dma_tmp, NULL)) { |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 745 | DMESGE("Unable to allocate mem for buffer NP"); |
| 746 | return -ENOMEM; |
| 747 | } |
| 748 | break; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 749 | case TX_BKPRIORITY_RING_ADDR: |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 750 | if (-1 == buffer_add(&(priv->txbkpbufs), buf, dma_tmp, NULL)) { |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 751 | DMESGE("Unable to allocate mem for buffer LP"); |
| 752 | return -ENOMEM; |
| 753 | } |
| 754 | break; |
| 755 | case TX_BEPRIORITY_RING_ADDR: |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 756 | if (-1 == buffer_add(&(priv->txbepbufs), buf, dma_tmp, NULL)) { |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 757 | DMESGE("Unable to allocate mem for buffer NP"); |
| 758 | return -ENOMEM; |
| 759 | } |
| 760 | break; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 761 | case TX_VIPRIORITY_RING_ADDR: |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 762 | if (-1 == buffer_add(&(priv->txvipbufs), buf, dma_tmp, NULL)) { |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 763 | DMESGE("Unable to allocate mem for buffer LP"); |
| 764 | return -ENOMEM; |
| 765 | } |
| 766 | break; |
| 767 | case TX_VOPRIORITY_RING_ADDR: |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 768 | if (-1 == buffer_add(&(priv->txvopbufs), buf, dma_tmp, NULL)) { |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 769 | DMESGE("Unable to allocate mem for buffer NP"); |
| 770 | return -ENOMEM; |
| 771 | } |
| 772 | break; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 773 | case TX_HIGHPRIORITY_RING_ADDR: |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 774 | if (-1 == buffer_add(&(priv->txhpbufs), buf, dma_tmp, NULL)) { |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 775 | DMESGE("Unable to allocate mem for buffer HP"); |
| 776 | return -ENOMEM; |
| 777 | } |
| 778 | break; |
| 779 | case TX_BEACON_RING_ADDR: |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 780 | if (-1 == buffer_add(&(priv->txbeaconbufs), buf, dma_tmp, NULL)) { |
| 781 | DMESGE("Unable to allocate mem for buffer BP"); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 782 | return -ENOMEM; |
| 783 | } |
| 784 | break; |
| 785 | } |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 786 | *tmp = *tmp & ~(1<<31); /* descriptor empty, owned by the drv */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 787 | *(tmp+2) = (u32)dma_tmp; |
| 788 | *(tmp+3) = bufsize; |
| 789 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 790 | if (i+1 < count) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 791 | *(tmp+4) = (u32)dma_desc+((i+1)*8*4); |
| 792 | else |
| 793 | *(tmp+4) = (u32)dma_desc; |
| 794 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 795 | tmp = tmp+8; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 796 | } |
| 797 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 798 | switch (addr) { |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 799 | case TX_MANAGEPRIORITY_RING_ADDR: |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 800 | priv->txmapringdma = dma_desc; |
| 801 | priv->txmapring = desc; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 802 | break; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 803 | case TX_BKPRIORITY_RING_ADDR: |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 804 | priv->txbkpringdma = dma_desc; |
| 805 | priv->txbkpring = desc; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 806 | break; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 807 | case TX_BEPRIORITY_RING_ADDR: |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 808 | priv->txbepringdma = dma_desc; |
| 809 | priv->txbepring = desc; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 810 | break; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 811 | case TX_VIPRIORITY_RING_ADDR: |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 812 | priv->txvipringdma = dma_desc; |
| 813 | priv->txvipring = desc; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 814 | break; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 815 | case TX_VOPRIORITY_RING_ADDR: |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 816 | priv->txvopringdma = dma_desc; |
| 817 | priv->txvopring = desc; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 818 | break; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 819 | case TX_HIGHPRIORITY_RING_ADDR: |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 820 | priv->txhpringdma = dma_desc; |
| 821 | priv->txhpring = desc; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 822 | break; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 823 | case TX_BEACON_RING_ADDR: |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 824 | priv->txbeaconringdma = dma_desc; |
| 825 | priv->txbeaconring = desc; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 826 | break; |
| 827 | |
| 828 | } |
| 829 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 830 | return 0; |
| 831 | } |
| 832 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 833 | void free_tx_desc_rings(struct net_device *dev) |
| 834 | { |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 835 | struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 836 | struct pci_dev *pdev = priv->pdev; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 837 | int count = priv->txringcount; |
| 838 | |
| 839 | pci_free_consistent(pdev, sizeof(u32)*8*count+256, |
| 840 | priv->txmapring, priv->txmapringdma); |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 841 | buffer_free(dev, &(priv->txmapbufs), priv->txbuffsize, 1); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 842 | |
| 843 | pci_free_consistent(pdev, sizeof(u32)*8*count+256, |
| 844 | priv->txbkpring, priv->txbkpringdma); |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 845 | buffer_free(dev, &(priv->txbkpbufs), priv->txbuffsize, 1); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 846 | |
| 847 | pci_free_consistent(pdev, sizeof(u32)*8*count+256, |
| 848 | priv->txbepring, priv->txbepringdma); |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 849 | buffer_free(dev, &(priv->txbepbufs), priv->txbuffsize, 1); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 850 | |
| 851 | pci_free_consistent(pdev, sizeof(u32)*8*count+256, |
| 852 | priv->txvipring, priv->txvipringdma); |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 853 | buffer_free(dev, &(priv->txvipbufs), priv->txbuffsize, 1); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 854 | |
| 855 | pci_free_consistent(pdev, sizeof(u32)*8*count+256, |
| 856 | priv->txvopring, priv->txvopringdma); |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 857 | buffer_free(dev, &(priv->txvopbufs), priv->txbuffsize, 1); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 858 | |
| 859 | pci_free_consistent(pdev, sizeof(u32)*8*count+256, |
| 860 | priv->txhpring, priv->txhpringdma); |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 861 | buffer_free(dev, &(priv->txhpbufs), priv->txbuffsize, 1); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 862 | |
| 863 | count = priv->txbeaconcount; |
| 864 | pci_free_consistent(pdev, sizeof(u32)*8*count+256, |
| 865 | priv->txbeaconring, priv->txbeaconringdma); |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 866 | buffer_free(dev, &(priv->txbeaconbufs), priv->txbuffsize, 1); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 867 | } |
| 868 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 869 | void free_rx_desc_ring(struct net_device *dev) |
| 870 | { |
| 871 | struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); |
| 872 | struct pci_dev *pdev = priv->pdev; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 873 | int count = priv->rxringcount; |
| 874 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 875 | pci_free_consistent(pdev, sizeof(u32)*8*count+256, |
| 876 | priv->rxring, priv->rxringdma); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 877 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 878 | buffer_free(dev, &(priv->rxbuffer), priv->rxbuffersize, 0); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 879 | } |
| 880 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 881 | short alloc_rx_desc_ring(struct net_device *dev, u16 bufsize, int count) |
| 882 | { |
| 883 | int i; |
| 884 | u32 *desc; |
| 885 | u32 *tmp; |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 886 | dma_addr_t dma_desc, dma_tmp; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 887 | struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 888 | struct pci_dev *pdev = priv->pdev; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 889 | void *buf; |
| 890 | u8 rx_desc_size; |
| 891 | |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 892 | rx_desc_size = 8; /* 4*8 = 32 bytes */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 893 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 894 | if ((bufsize & 0xfff) != bufsize) { |
| 895 | DMESGE("RX buffer allocation too large"); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 896 | return -1; |
| 897 | } |
| 898 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 899 | desc = (u32 *)pci_alloc_consistent(pdev, sizeof(u32)*rx_desc_size*count+256, |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 900 | &dma_desc); |
| 901 | |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 902 | if (dma_desc & 0xff) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 903 | /* |
| 904 | * descriptor's buffer must be 256 byte aligned |
| 905 | * should never happen since we specify the DMA mask |
| 906 | */ |
Larry Finger | be286fd | 2009-04-18 21:09:08 -0500 | [diff] [blame] | 907 | WARN(1, "DMA buffer is not aligned\n"); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 908 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 909 | priv->rxring = desc; |
| 910 | priv->rxringdma = dma_desc; |
| 911 | tmp = desc; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 912 | |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 913 | for (i = 0; i < count; i++) { |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 914 | buf = kmalloc(bufsize * sizeof(u8), GFP_ATOMIC); |
Joe Perches | 53756de | 2010-03-24 22:17:01 -0700 | [diff] [blame] | 915 | if (buf == NULL) { |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 916 | DMESGE("Failed to kmalloc RX buffer"); |
| 917 | return -1; |
| 918 | } |
| 919 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 920 | dma_tmp = pci_map_single(pdev, buf, bufsize * sizeof(u8), |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 921 | PCI_DMA_FROMDEVICE); |
Larry Finger | 0d826c3 | 2012-12-26 20:51:13 -0600 | [diff] [blame] | 922 | if (pci_dma_mapping_error(pdev, dma_tmp)) |
| 923 | return -1; |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 924 | if (-1 == buffer_add(&(priv->rxbuffer), buf, dma_tmp, |
| 925 | &(priv->rxbufferhead))) { |
| 926 | DMESGE("Unable to allocate mem RX buf"); |
| 927 | return -1; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 928 | } |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 929 | *tmp = 0; /* zero pads the header of the descriptor */ |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 930 | *tmp = *tmp | (bufsize&0xfff); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 931 | *(tmp+2) = (u32)dma_tmp; |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 932 | *tmp = *tmp | (1<<31); /* descriptor void, owned by the NIC */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 933 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 934 | tmp = tmp+rx_desc_size; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 935 | } |
| 936 | |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 937 | *(tmp-rx_desc_size) = *(tmp-rx_desc_size) | (1<<30); /* this is the last descriptor */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 938 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 939 | return 0; |
| 940 | } |
| 941 | |
| 942 | |
| 943 | void set_nic_rxring(struct net_device *dev) |
| 944 | { |
| 945 | u8 pgreg; |
| 946 | struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); |
| 947 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 948 | pgreg = read_nic_byte(dev, PGSELECT); |
| 949 | write_nic_byte(dev, PGSELECT, pgreg & ~(1<<PGSELECT_PG_SHIFT)); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 950 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 951 | write_nic_dword(dev, RXRING_ADDR, priv->rxringdma); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 952 | } |
| 953 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 954 | void rtl8180_reset(struct net_device *dev) |
| 955 | { |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 956 | u8 cr; |
| 957 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 958 | rtl8180_irq_disable(dev); |
| 959 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 960 | cr = read_nic_byte(dev, CMD); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 961 | cr = cr & 2; |
| 962 | cr = cr | (1<<CMD_RST_SHIFT); |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 963 | write_nic_byte(dev, CMD, cr); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 964 | |
| 965 | force_pci_posting(dev); |
| 966 | |
| 967 | mdelay(200); |
| 968 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 969 | if (read_nic_byte(dev, CMD) & (1<<CMD_RST_SHIFT)) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 970 | DMESGW("Card reset timeout!"); |
| 971 | else |
| 972 | DMESG("Card successfully reset"); |
| 973 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 974 | rtl8180_set_mode(dev, EPROM_CMD_LOAD); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 975 | force_pci_posting(dev); |
| 976 | mdelay(200); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 977 | } |
| 978 | |
| 979 | inline u16 ieeerate2rtlrate(int rate) |
| 980 | { |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 981 | switch (rate) { |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 982 | case 10: |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 983 | return 0; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 984 | case 20: |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 985 | return 1; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 986 | case 55: |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 987 | return 2; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 988 | case 110: |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 989 | return 3; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 990 | case 60: |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 991 | return 4; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 992 | case 90: |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 993 | return 5; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 994 | case 120: |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 995 | return 6; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 996 | case 180: |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 997 | return 7; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 998 | case 240: |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 999 | return 8; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1000 | case 360: |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 1001 | return 9; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1002 | case 480: |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 1003 | return 10; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1004 | case 540: |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 1005 | return 11; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1006 | default: |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 1007 | return 3; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1008 | } |
| 1009 | } |
| 1010 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1011 | static u16 rtl_rate[] = {10, 20, 55, 110, 60, 90, 120, 180, 240, 360, 480, 540, 720}; |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 1012 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1013 | inline u16 rtl8180_rate2rate(short rate) |
| 1014 | { |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 1015 | if (rate > 12) |
| 1016 | return 10; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1017 | return rtl_rate[rate]; |
| 1018 | } |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 1019 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1020 | inline u8 rtl8180_IsWirelessBMode(u16 rate) |
| 1021 | { |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1022 | if (((rate <= 110) && (rate != 60) && (rate != 90)) || (rate == 220)) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1023 | return 1; |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 1024 | else |
| 1025 | return 0; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1026 | } |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 1027 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1028 | u16 N_DBPSOfRate(u16 DataRate); |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 1029 | |
| 1030 | u16 ComputeTxTime(u16 FrameLength, u16 DataRate, u8 bManagementFrame, |
| 1031 | u8 bShortPreamble) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1032 | { |
| 1033 | u16 FrameTime; |
| 1034 | u16 N_DBPS; |
| 1035 | u16 Ceiling; |
| 1036 | |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 1037 | if (rtl8180_IsWirelessBMode(DataRate)) { |
| 1038 | if (bManagementFrame || !bShortPreamble || DataRate == 10) |
| 1039 | /* long preamble */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1040 | FrameTime = (u16)(144+48+(FrameLength*8/(DataRate/10))); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1041 | else |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 1042 | /* short preamble */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1043 | FrameTime = (u16)(72+24+(FrameLength*8/(DataRate/10))); |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 1044 | |
| 1045 | if ((FrameLength*8 % (DataRate/10)) != 0) /* get the ceilling */ |
| 1046 | FrameTime++; |
| 1047 | } else { /* 802.11g DSSS-OFDM PLCP length field calculation. */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1048 | N_DBPS = N_DBPSOfRate(DataRate); |
| 1049 | Ceiling = (16 + 8*FrameLength + 6) / N_DBPS |
| 1050 | + (((16 + 8*FrameLength + 6) % N_DBPS) ? 1 : 0); |
| 1051 | FrameTime = (u16)(16 + 4 + 4*Ceiling + 6); |
| 1052 | } |
| 1053 | return FrameTime; |
| 1054 | } |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 1055 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1056 | u16 N_DBPSOfRate(u16 DataRate) |
| 1057 | { |
| 1058 | u16 N_DBPS = 24; |
| 1059 | |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 1060 | switch (DataRate) { |
| 1061 | case 60: |
| 1062 | N_DBPS = 24; |
| 1063 | break; |
| 1064 | case 90: |
| 1065 | N_DBPS = 36; |
| 1066 | break; |
| 1067 | case 120: |
| 1068 | N_DBPS = 48; |
| 1069 | break; |
| 1070 | case 180: |
| 1071 | N_DBPS = 72; |
| 1072 | break; |
| 1073 | case 240: |
| 1074 | N_DBPS = 96; |
| 1075 | break; |
| 1076 | case 360: |
| 1077 | N_DBPS = 144; |
| 1078 | break; |
| 1079 | case 480: |
| 1080 | N_DBPS = 192; |
| 1081 | break; |
| 1082 | case 540: |
| 1083 | N_DBPS = 216; |
| 1084 | break; |
| 1085 | default: |
| 1086 | break; |
| 1087 | } |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1088 | |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 1089 | return N_DBPS; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1090 | } |
| 1091 | |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 1092 | /* |
Justin P. Mattock | ed2cb4f | 2012-04-17 06:56:43 -0700 | [diff] [blame] | 1093 | * For Netgear case, they want good-looking signal strength. |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 1094 | */ |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 1095 | long NetgearSignalStrengthTranslate(long LastSS, long CurrSS) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1096 | { |
| 1097 | long RetSS; |
| 1098 | |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 1099 | /* Step 1. Scale mapping. */ |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 1100 | if (CurrSS >= 71 && CurrSS <= 100) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1101 | RetSS = 90 + ((CurrSS - 70) / 3); |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 1102 | else if (CurrSS >= 41 && CurrSS <= 70) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1103 | RetSS = 78 + ((CurrSS - 40) / 3); |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 1104 | else if (CurrSS >= 31 && CurrSS <= 40) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1105 | RetSS = 66 + (CurrSS - 30); |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 1106 | else if (CurrSS >= 21 && CurrSS <= 30) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1107 | RetSS = 54 + (CurrSS - 20); |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 1108 | else if (CurrSS >= 5 && CurrSS <= 20) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1109 | RetSS = 42 + (((CurrSS - 5) * 2) / 3); |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 1110 | else if (CurrSS == 4) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1111 | RetSS = 36; |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 1112 | else if (CurrSS == 3) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1113 | RetSS = 27; |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 1114 | else if (CurrSS == 2) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1115 | RetSS = 18; |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 1116 | else if (CurrSS == 1) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1117 | RetSS = 9; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1118 | else |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1119 | RetSS = CurrSS; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1120 | |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 1121 | /* Step 2. Smoothing. */ |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1122 | if (LastSS > 0) |
| 1123 | RetSS = ((LastSS * 5) + (RetSS) + 5) / 6; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1124 | |
| 1125 | return RetSS; |
| 1126 | } |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 1127 | |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 1128 | /* |
| 1129 | * Translate 0-100 signal strength index into dBm. |
| 1130 | */ |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 1131 | long TranslateToDbm8185(u8 SignalStrengthIndex) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1132 | { |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 1133 | long SignalPower; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1134 | |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 1135 | /* Translate to dBm (x=0.5y-95). */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1136 | SignalPower = (long)((SignalStrengthIndex + 1) >> 1); |
| 1137 | SignalPower -= 95; |
| 1138 | |
| 1139 | return SignalPower; |
| 1140 | } |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 1141 | |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 1142 | /* |
| 1143 | * Perform signal smoothing for dynamic mechanism. |
Justin P. Mattock | ed2cb4f | 2012-04-17 06:56:43 -0700 | [diff] [blame] | 1144 | * This is different with PerformSignalSmoothing8185 in smoothing formula. |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 1145 | * No dramatic adjustion is apply because dynamic mechanism need some degree |
| 1146 | * of correctness. Ported from 8187B. |
| 1147 | */ |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 1148 | void PerformUndecoratedSignalSmoothing8185(struct r8180_priv *priv, |
| 1149 | bool bCckRate) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1150 | { |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 1151 | /* Determin the current packet is CCK rate. */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1152 | priv->bCurCCKPkt = bCckRate; |
| 1153 | |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 1154 | if (priv->UndecoratedSmoothedSS >= 0) |
Andrew Miller | dec3a00 | 2012-03-14 18:26:59 -0400 | [diff] [blame] | 1155 | priv->UndecoratedSmoothedSS = ((priv->UndecoratedSmoothedSS * 5) + |
| 1156 | (priv->SignalStrength * 10)) / 6; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1157 | else |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1158 | priv->UndecoratedSmoothedSS = priv->SignalStrength * 10; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1159 | |
Andrew Miller | dec3a00 | 2012-03-14 18:26:59 -0400 | [diff] [blame] | 1160 | priv->UndercorateSmoothedRxPower = ((priv->UndercorateSmoothedRxPower * 50) + |
| 1161 | (priv->RxPower * 11)) / 60; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1162 | |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 1163 | if (bCckRate) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1164 | priv->CurCCKRSSI = priv->RSSI; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1165 | else |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1166 | priv->CurCCKRSSI = 0; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1167 | } |
| 1168 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1169 | |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 1170 | /* |
| 1171 | * This is rough RX isr handling routine |
| 1172 | */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1173 | void rtl8180_rx(struct net_device *dev) |
| 1174 | { |
| 1175 | struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); |
| 1176 | struct sk_buff *tmp_skb; |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1177 | short first, last; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1178 | u32 len; |
| 1179 | int lastlen; |
| 1180 | unsigned char quality, signal; |
| 1181 | u8 rate; |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1182 | u32 *tmp, *tmp2; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1183 | u8 rx_desc_size; |
| 1184 | u8 padding; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1185 | char rxpower = 0; |
| 1186 | u32 RXAGC = 0; |
| 1187 | long RxAGC_dBm = 0; |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1188 | u8 LNA = 0, BB = 0; |
John Church | cb73da2 | 2010-04-08 16:04:17 -0500 | [diff] [blame] | 1189 | u8 LNA_gain[4] = {02, 17, 29, 39}; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1190 | u8 Antenna = 0; |
Bartlomiej Zolnierkiewicz | 0604384 | 2009-07-13 20:01:44 +0200 | [diff] [blame] | 1191 | struct ieee80211_hdr_4addr *hdr; |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1192 | u16 fc, type; |
| 1193 | u8 bHwError = 0, bCRC = 0, bICV = 0; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1194 | bool bCckRate = false; |
| 1195 | u8 RSSI = 0; |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 1196 | long SignalStrengthIndex = 0; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1197 | struct ieee80211_rx_stats stats = { |
| 1198 | .signal = 0, |
| 1199 | .noise = -98, |
| 1200 | .rate = 0, |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1201 | .freq = IEEE80211_24GHZ_BAND, |
| 1202 | }; |
| 1203 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1204 | stats.nic_type = NIC_8185B; |
| 1205 | rx_desc_size = 8; |
| 1206 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1207 | if ((*(priv->rxringtail)) & (1<<31)) { |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1208 | /* we have got an RX int, but the descriptor |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 1209 | * we are pointing is empty */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1210 | |
| 1211 | priv->stats.rxnodata++; |
| 1212 | priv->ieee80211->stats.rx_errors++; |
| 1213 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1214 | tmp2 = NULL; |
| 1215 | tmp = priv->rxringtail; |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1216 | do { |
| 1217 | if (tmp == priv->rxring) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1218 | tmp = priv->rxring + (priv->rxringcount - 1)*rx_desc_size; |
| 1219 | else |
| 1220 | tmp -= rx_desc_size; |
| 1221 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1222 | if (!(*tmp & (1<<31))) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1223 | tmp2 = tmp; |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1224 | } while (tmp != priv->rxring); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1225 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1226 | if (tmp2) |
| 1227 | priv->rxringtail = tmp2; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1228 | } |
| 1229 | |
| 1230 | /* while there are filled descriptors */ |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1231 | while (!(*(priv->rxringtail) & (1<<31))) { |
| 1232 | if (*(priv->rxringtail) & (1<<26)) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1233 | DMESGW("RX buffer overflow"); |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1234 | if (*(priv->rxringtail) & (1<<12)) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1235 | priv->stats.rxicverr++; |
| 1236 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1237 | if (*(priv->rxringtail) & (1<<27)) { |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1238 | priv->stats.rxdmafail++; |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 1239 | /* DMESG("EE: RX DMA FAILED at buffer pointed by descriptor %x",(u32)priv->rxringtail); */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1240 | goto drop; |
| 1241 | } |
| 1242 | |
| 1243 | pci_dma_sync_single_for_cpu(priv->pdev, |
| 1244 | priv->rxbuffer->dma, |
YAMANE Toshiaki | 5375819d | 2012-11-22 09:06:37 +0900 | [diff] [blame] | 1245 | priv->rxbuffersize * sizeof(u8), |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1246 | PCI_DMA_FROMDEVICE); |
| 1247 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1248 | first = *(priv->rxringtail) & (1<<29) ? 1 : 0; |
| 1249 | if (first) |
| 1250 | priv->rx_prevlen = 0; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1251 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1252 | last = *(priv->rxringtail) & (1<<28) ? 1 : 0; |
| 1253 | if (last) { |
| 1254 | lastlen = ((*priv->rxringtail) & 0xfff); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1255 | |
| 1256 | /* if the last descriptor (that should |
| 1257 | * tell us the total packet len) tell |
| 1258 | * us something less than the descriptors |
| 1259 | * len we had until now, then there is some |
| 1260 | * problem.. |
| 1261 | * workaround to prevent kernel panic |
| 1262 | */ |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1263 | if (lastlen < priv->rx_prevlen) |
| 1264 | len = 0; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1265 | else |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1266 | len = lastlen-priv->rx_prevlen; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1267 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1268 | if (*(priv->rxringtail) & (1<<13)) { |
| 1269 | if ((*(priv->rxringtail) & 0xfff) < 500) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1270 | priv->stats.rxcrcerrmin++; |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1271 | else if ((*(priv->rxringtail) & 0x0fff) > 1000) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1272 | priv->stats.rxcrcerrmax++; |
| 1273 | else |
| 1274 | priv->stats.rxcrcerrmid++; |
| 1275 | |
| 1276 | } |
| 1277 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1278 | } else { |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1279 | len = priv->rxbuffersize; |
| 1280 | } |
| 1281 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1282 | if (first && last) { |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1283 | padding = ((*(priv->rxringtail+3))&(0x04000000))>>26; |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1284 | } else if (first) { |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1285 | padding = ((*(priv->rxringtail+3))&(0x04000000))>>26; |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1286 | if (padding) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1287 | len -= 2; |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1288 | } else { |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1289 | padding = 0; |
| 1290 | } |
John Church | cb73da2 | 2010-04-08 16:04:17 -0500 | [diff] [blame] | 1291 | padding = 0; |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1292 | priv->rx_prevlen += len; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1293 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1294 | if (priv->rx_prevlen > MAX_FRAG_THRESHOLD + 100) { |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1295 | /* HW is probably passing several buggy frames |
| 1296 | * without FD or LD flag set. |
| 1297 | * Throw this garbage away to prevent skb |
Justin P. Mattock | ed2cb4f | 2012-04-17 06:56:43 -0700 | [diff] [blame] | 1298 | * memory exhausting |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1299 | */ |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1300 | if (!priv->rx_skb_complete) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1301 | dev_kfree_skb_any(priv->rx_skb); |
| 1302 | priv->rx_skb_complete = 1; |
| 1303 | } |
| 1304 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1305 | signal = (unsigned char)(((*(priv->rxringtail+3)) & (0x00ff0000))>>16); |
Larry Finger | 1994130 | 2010-01-25 13:11:49 -0600 | [diff] [blame] | 1306 | signal = (signal & 0xfe) >> 1; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1307 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1308 | quality = (unsigned char)((*(priv->rxringtail+3)) & (0xff)); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1309 | |
| 1310 | stats.mac_time[0] = *(priv->rxringtail+1); |
| 1311 | stats.mac_time[1] = *(priv->rxringtail+2); |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1312 | rxpower = ((char)(((*(priv->rxringtail+4)) & (0x00ff0000))>>16))/2 - 42; |
| 1313 | RSSI = ((u8)(((*(priv->rxringtail+3)) & (0x0000ff00))>>8)) & (0x7f); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1314 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1315 | rate = ((*(priv->rxringtail)) & |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1316 | ((1<<23)|(1<<22)|(1<<21)|(1<<20)))>>20; |
| 1317 | |
| 1318 | stats.rate = rtl8180_rate2rate(rate); |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1319 | Antenna = (((*(priv->rxringtail+3)) & (0x00008000)) == 0) ? 0 : 1; |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 1320 | if (!rtl8180_IsWirelessBMode(stats.rate)) { /* OFDM rate. */ |
| 1321 | RxAGC_dBm = rxpower+1; /* bias */ |
| 1322 | } else { /* CCK rate. */ |
| 1323 | RxAGC_dBm = signal; /* bit 0 discard */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1324 | |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 1325 | LNA = (u8) (RxAGC_dBm & 0x60) >> 5; /* bit 6~ bit 5 */ |
| 1326 | BB = (u8) (RxAGC_dBm & 0x1F); /* bit 4 ~ bit 0 */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1327 | |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 1328 | RxAGC_dBm = -(LNA_gain[LNA] + (BB*2)); /* Pin_11b=-(LNA_gain+BB_gain) (dBm) */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1329 | |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 1330 | RxAGC_dBm += 4; /* bias */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1331 | } |
| 1332 | |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 1333 | if (RxAGC_dBm & 0x80) /* absolute value */ |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1334 | RXAGC = ~(RxAGC_dBm)+1; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1335 | bCckRate = rtl8180_IsWirelessBMode(stats.rate); |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 1336 | /* Translate RXAGC into 1-100. */ |
| 1337 | if (!rtl8180_IsWirelessBMode(stats.rate)) { /* OFDM rate. */ |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1338 | if (RXAGC > 90) |
| 1339 | RXAGC = 90; |
| 1340 | else if (RXAGC < 25) |
| 1341 | RXAGC = 25; |
| 1342 | RXAGC = (90-RXAGC)*100/65; |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 1343 | } else { /* CCK rate. */ |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1344 | if (RXAGC > 95) |
| 1345 | RXAGC = 95; |
| 1346 | else if (RXAGC < 30) |
| 1347 | RXAGC = 30; |
| 1348 | RXAGC = (95-RXAGC)*100/65; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1349 | } |
| 1350 | priv->SignalStrength = (u8)RXAGC; |
Larry Finger | 1994130 | 2010-01-25 13:11:49 -0600 | [diff] [blame] | 1351 | priv->RecvSignalPower = RxAGC_dBm; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1352 | priv->RxPower = rxpower; |
| 1353 | priv->RSSI = RSSI; |
Larry Finger | 1994130 | 2010-01-25 13:11:49 -0600 | [diff] [blame] | 1354 | /* SQ translation formula is provided by SD3 DZ. 2006.06.27 */ |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1355 | if (quality >= 127) |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame] | 1356 | quality = 1; /*0; */ /* 0 will cause epc to show signal zero , walk around now; */ |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1357 | else if (quality < 27) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1358 | quality = 100; |
| 1359 | else |
| 1360 | quality = 127 - quality; |
| 1361 | priv->SignalQuality = quality; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1362 | |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 1363 | stats.signal = (u8)quality; /*priv->wstats.qual.level = priv->SignalStrength; */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1364 | stats.signalstrength = RXAGC; |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1365 | if (stats.signalstrength > 100) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1366 | stats.signalstrength = 100; |
| 1367 | stats.signalstrength = (stats.signalstrength * 70)/100 + 30; |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 1368 | /* printk("==========================>rx : RXAGC is %d,signalstrength is %d\n",RXAGC,stats.signalstrength); */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1369 | stats.rssi = priv->wstats.qual.qual = priv->SignalQuality; |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1370 | stats.noise = priv->wstats.qual.noise = 100 - priv->wstats.qual.qual; |
Andrew Miller | dec3a00 | 2012-03-14 18:26:59 -0400 | [diff] [blame] | 1371 | bHwError = (((*(priv->rxringtail)) & (0x00000fff)) == 4080) | |
| 1372 | (((*(priv->rxringtail)) & (0x04000000)) != 0) | |
| 1373 | (((*(priv->rxringtail)) & (0x08000000)) != 0) | |
| 1374 | (((~(*(priv->rxringtail))) & (0x10000000)) != 0) | |
| 1375 | (((~(*(priv->rxringtail))) & (0x20000000)) != 0); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1376 | bCRC = ((*(priv->rxringtail)) & (0x00002000)) >> 13; |
| 1377 | bICV = ((*(priv->rxringtail)) & (0x00001000)) >> 12; |
Bartlomiej Zolnierkiewicz | 0604384 | 2009-07-13 20:01:44 +0200 | [diff] [blame] | 1378 | hdr = (struct ieee80211_hdr_4addr *)priv->rxbuffer->buf; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1379 | fc = le16_to_cpu(hdr->frame_ctl); |
John Church | cb73da2 | 2010-04-08 16:04:17 -0500 | [diff] [blame] | 1380 | type = WLAN_FC_GET_TYPE(fc); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1381 | |
Andrew Miller | 7c26d76 | 2012-03-14 10:36:51 -0400 | [diff] [blame] | 1382 | if (IEEE80211_FTYPE_CTL != type && |
| 1383 | !bHwError && !bCRC && !bICV && |
| 1384 | eqMacAddr(priv->ieee80211->current_network.bssid, |
Andrew Miller | 24a39f7 | 2012-03-14 18:26:58 -0400 | [diff] [blame] | 1385 | fc & IEEE80211_FCTL_TODS ? hdr->addr1 : |
| 1386 | fc & IEEE80211_FCTL_FROMDS ? hdr->addr2 : |
| 1387 | hdr->addr3)) { |
Andrew Miller | cd68680 | 2012-03-14 18:26:57 -0400 | [diff] [blame] | 1388 | |
Andrew Miller | 7c26d76 | 2012-03-14 10:36:51 -0400 | [diff] [blame] | 1389 | /* Perform signal smoothing for dynamic |
| 1390 | * mechanism on demand. This is different |
| 1391 | * with PerformSignalSmoothing8185 in smoothing |
| 1392 | * fomula. No dramatic adjustion is apply |
| 1393 | * because dynamic mechanism need some degree |
| 1394 | * of correctness. */ |
| 1395 | PerformUndecoratedSignalSmoothing8185(priv, bCckRate); |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 1396 | |
Andrew Miller | 7c26d76 | 2012-03-14 10:36:51 -0400 | [diff] [blame] | 1397 | /* For good-looking singal strength. */ |
| 1398 | SignalStrengthIndex = NetgearSignalStrengthTranslate( |
| 1399 | priv->LastSignalStrengthInPercent, |
| 1400 | priv->SignalStrength); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1401 | |
Andrew Miller | 7c26d76 | 2012-03-14 10:36:51 -0400 | [diff] [blame] | 1402 | priv->LastSignalStrengthInPercent = SignalStrengthIndex; |
| 1403 | priv->Stats_SignalStrength = TranslateToDbm8185((u8)SignalStrengthIndex); |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 1404 | /* |
| 1405 | * We need more correct power of received packets and the "SignalStrength" of RxStats is beautified, |
| 1406 | * so we record the correct power here. |
| 1407 | */ |
Andrew Miller | 7c26d76 | 2012-03-14 10:36:51 -0400 | [diff] [blame] | 1408 | priv->Stats_SignalQuality = (long)(priv->Stats_SignalQuality * 5 + (long)priv->SignalQuality + 5) / 6; |
| 1409 | priv->Stats_RecvSignalPower = (long)(priv->Stats_RecvSignalPower * 5 + priv->RecvSignalPower - 1) / 6; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1410 | |
Justin P. Mattock | ed2cb4f | 2012-04-17 06:56:43 -0700 | [diff] [blame] | 1411 | /* Figure out which antenna that received the last packet. */ |
Andrew Miller | 7c26d76 | 2012-03-14 10:36:51 -0400 | [diff] [blame] | 1412 | priv->LastRxPktAntenna = Antenna ? 1 : 0; /* 0: aux, 1: main. */ |
| 1413 | SwAntennaDiversityRxOk8185(dev, priv->SignalStrength); |
| 1414 | } |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1415 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1416 | if (first) { |
| 1417 | if (!priv->rx_skb_complete) { |
Justin P. Mattock | ed2cb4f | 2012-04-17 06:56:43 -0700 | [diff] [blame] | 1418 | /* seems that HW sometimes fails to receive and |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1419 | doesn't provide the last descriptor */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1420 | dev_kfree_skb_any(priv->rx_skb); |
| 1421 | priv->stats.rxnolast++; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1422 | } |
Maxim Mikityanskiy | 861437d | 2012-11-13 19:28:21 +0200 | [diff] [blame] | 1423 | priv->rx_skb = dev_alloc_skb(len+2); |
| 1424 | if (!priv->rx_skb) |
| 1425 | goto drop; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1426 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1427 | priv->rx_skb_complete = 0; |
| 1428 | priv->rx_skb->dev = dev; |
| 1429 | } else { |
Justin P. Mattock | ed2cb4f | 2012-04-17 06:56:43 -0700 | [diff] [blame] | 1430 | /* if we are here we should have already RXed |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1431 | * the first frame. |
| 1432 | * If we get here and the skb is not allocated then |
| 1433 | * we have just throw out garbage (skb not allocated) |
| 1434 | * and we are still rxing garbage.... |
| 1435 | */ |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1436 | if (!priv->rx_skb_complete) { |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1437 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1438 | tmp_skb = dev_alloc_skb(priv->rx_skb->len+len+2); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1439 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1440 | if (!tmp_skb) |
| 1441 | goto drop; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1442 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1443 | tmp_skb->dev = dev; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1444 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1445 | memcpy(skb_put(tmp_skb, priv->rx_skb->len), |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1446 | priv->rx_skb->data, |
| 1447 | priv->rx_skb->len); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1448 | |
| 1449 | dev_kfree_skb_any(priv->rx_skb); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1450 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1451 | priv->rx_skb = tmp_skb; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1452 | } |
| 1453 | } |
Bartlomiej Zolnierkiewicz | ff95485 | 2009-06-28 16:19:38 +0200 | [diff] [blame] | 1454 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1455 | if (!priv->rx_skb_complete) { |
| 1456 | if (padding) { |
| 1457 | memcpy(skb_put(priv->rx_skb, len), |
| 1458 | (((unsigned char *)priv->rxbuffer->buf) + 2), len); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1459 | } else { |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1460 | memcpy(skb_put(priv->rx_skb, len), |
| 1461 | priv->rxbuffer->buf, len); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1462 | } |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1463 | } |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1464 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1465 | if (last && !priv->rx_skb_complete) { |
| 1466 | if (priv->rx_skb->len > 4) |
| 1467 | skb_trim(priv->rx_skb, priv->rx_skb->len-4); |
| 1468 | if (!ieee80211_rtl_rx(priv->ieee80211, |
Larry Finger | 1994130 | 2010-01-25 13:11:49 -0600 | [diff] [blame] | 1469 | priv->rx_skb, &stats)) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1470 | dev_kfree_skb_any(priv->rx_skb); |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1471 | priv->rx_skb_complete = 1; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1472 | } |
| 1473 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1474 | pci_dma_sync_single_for_device(priv->pdev, |
| 1475 | priv->rxbuffer->dma, |
YAMANE Toshiaki | 5375819d | 2012-11-22 09:06:37 +0900 | [diff] [blame] | 1476 | priv->rxbuffersize * sizeof(u8), |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1477 | PCI_DMA_FROMDEVICE); |
| 1478 | |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 1479 | drop: /* this is used when we have not enough mem */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1480 | /* restore the descriptor */ |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1481 | *(priv->rxringtail+2) = priv->rxbuffer->dma; |
| 1482 | *(priv->rxringtail) = *(priv->rxringtail) & ~0xfff; |
| 1483 | *(priv->rxringtail) = |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1484 | *(priv->rxringtail) | priv->rxbuffersize; |
| 1485 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1486 | *(priv->rxringtail) = |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1487 | *(priv->rxringtail) | (1<<31); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1488 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1489 | priv->rxringtail += rx_desc_size; |
| 1490 | if (priv->rxringtail >= |
| 1491 | (priv->rxring)+(priv->rxringcount)*rx_desc_size) |
| 1492 | priv->rxringtail = priv->rxring; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1493 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1494 | priv->rxbuffer = (priv->rxbuffer->next); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1495 | } |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1496 | } |
| 1497 | |
| 1498 | |
| 1499 | void rtl8180_dma_kick(struct net_device *dev, int priority) |
| 1500 | { |
| 1501 | struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); |
| 1502 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1503 | rtl8180_set_mode(dev, EPROM_CMD_CONFIG); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1504 | write_nic_byte(dev, TX_DMA_POLLING, |
| 1505 | (1 << (priority + 1)) | priv->dma_poll_mask); |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1506 | rtl8180_set_mode(dev, EPROM_CMD_NORMAL); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1507 | |
| 1508 | force_pci_posting(dev); |
| 1509 | } |
| 1510 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1511 | void rtl8180_data_hard_stop(struct net_device *dev) |
| 1512 | { |
| 1513 | struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); |
| 1514 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1515 | rtl8180_set_mode(dev, EPROM_CMD_CONFIG); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1516 | priv->dma_poll_stop_mask |= TPPOLLSTOP_AC_VIQ; |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1517 | write_nic_byte(dev, TPPollStop, priv->dma_poll_stop_mask); |
| 1518 | rtl8180_set_mode(dev, EPROM_CMD_NORMAL); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1519 | } |
| 1520 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1521 | void rtl8180_data_hard_resume(struct net_device *dev) |
| 1522 | { |
| 1523 | struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); |
| 1524 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1525 | rtl8180_set_mode(dev, EPROM_CMD_CONFIG); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1526 | priv->dma_poll_stop_mask &= ~(TPPOLLSTOP_AC_VIQ); |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1527 | write_nic_byte(dev, TPPollStop, priv->dma_poll_stop_mask); |
| 1528 | rtl8180_set_mode(dev, EPROM_CMD_NORMAL); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1529 | } |
| 1530 | |
Andrew Miller | cd68680 | 2012-03-14 18:26:57 -0400 | [diff] [blame] | 1531 | /* |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 1532 | * This function TX data frames when the ieee80211 stack requires this. |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1533 | * It checks also if we need to stop the ieee tx queue, eventually do it |
| 1534 | */ |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1535 | void rtl8180_hard_data_xmit(struct sk_buff *skb, struct net_device *dev, int |
| 1536 | rate) { |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1537 | struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); |
| 1538 | int mode; |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1539 | struct ieee80211_hdr_3addr *h = (struct ieee80211_hdr_3addr *) skb->data; |
Larry Finger | b6b1ac6 | 2010-01-14 13:13:47 -0600 | [diff] [blame] | 1540 | short morefrag = (h->frame_control) & IEEE80211_FCTL_MOREFRAGS; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1541 | unsigned long flags; |
| 1542 | int priority; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1543 | |
| 1544 | mode = priv->ieee80211->iw_mode; |
| 1545 | |
| 1546 | rate = ieeerate2rtlrate(rate); |
| 1547 | /* |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 1548 | * This function doesn't require lock because we make |
| 1549 | * sure it's called with the tx_lock already acquired. |
| 1550 | * this come from the kernel's hard_xmit callback (through |
| 1551 | * the ieee stack, or from the try_wake_queue (again through |
| 1552 | * the ieee stack. |
| 1553 | */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1554 | priority = AC2Q(skb->priority); |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1555 | spin_lock_irqsave(&priv->tx_lock, flags); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1556 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1557 | if (priv->ieee80211->bHwRadioOff) { |
| 1558 | spin_unlock_irqrestore(&priv->tx_lock, flags); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1559 | |
| 1560 | return; |
| 1561 | } |
| 1562 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1563 | if (!check_nic_enought_desc(dev, priority)) { |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1564 | DMESGW("Error: no descriptor left by previous TX (avail %d) ", |
| 1565 | get_curr_tx_free_desc(dev, priority)); |
George Kadianakis | df574b8 | 2009-12-17 01:16:00 +0200 | [diff] [blame] | 1566 | ieee80211_rtl_stop_queue(priv->ieee80211); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1567 | } |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1568 | rtl8180_tx(dev, skb->data, skb->len, priority, morefrag, 0, rate); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1569 | if (!check_nic_enought_desc(dev, priority)) |
George Kadianakis | df574b8 | 2009-12-17 01:16:00 +0200 | [diff] [blame] | 1570 | ieee80211_rtl_stop_queue(priv->ieee80211); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1571 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1572 | spin_unlock_irqrestore(&priv->tx_lock, flags); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1573 | } |
| 1574 | |
Andrew Miller | cd68680 | 2012-03-14 18:26:57 -0400 | [diff] [blame] | 1575 | /* |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 1576 | * This is a rough attempt to TX a frame |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1577 | * This is called by the ieee 80211 stack to TX management frames. |
Justin P. Mattock | ed2cb4f | 2012-04-17 06:56:43 -0700 | [diff] [blame] | 1578 | * If the ring is full packets are dropped (for data frame the queue |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1579 | * is stopped before this can happen). For this reason it is better |
| 1580 | * if the descriptors are larger than the largest management frame |
Justin P. Mattock | ed2cb4f | 2012-04-17 06:56:43 -0700 | [diff] [blame] | 1581 | * we intend to TX: i'm unsure what the HW does if it will not find |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1582 | * the last fragment of a frame because it has been dropped... |
| 1583 | * Since queues for Management and Data frames are different we |
| 1584 | * might use a different lock than tx_lock (for example mgmt_tx_lock) |
| 1585 | */ |
Justin P. Mattock | ed2cb4f | 2012-04-17 06:56:43 -0700 | [diff] [blame] | 1586 | /* these function may loop if invoked with 0 descriptors or 0 len buffer */ |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1587 | int rtl8180_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1588 | { |
| 1589 | struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1590 | unsigned long flags; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1591 | int priority; |
| 1592 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1593 | priority = MANAGE_PRIORITY; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1594 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1595 | spin_lock_irqsave(&priv->tx_lock, flags); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1596 | |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 1597 | if (priv->ieee80211->bHwRadioOff) { |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1598 | spin_unlock_irqrestore(&priv->tx_lock, flags); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1599 | dev_kfree_skb_any(skb); |
Patrick McHardy | ec634fe | 2009-07-05 19:23:38 -0700 | [diff] [blame] | 1600 | return NETDEV_TX_OK; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1601 | } |
| 1602 | |
| 1603 | rtl8180_tx(dev, skb->data, skb->len, priority, |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1604 | 0, 0, ieeerate2rtlrate(priv->ieee80211->basic_rate)); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1605 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1606 | priv->ieee80211->stats.tx_bytes += skb->len; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1607 | priv->ieee80211->stats.tx_packets++; |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1608 | spin_unlock_irqrestore(&priv->tx_lock, flags); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1609 | |
| 1610 | dev_kfree_skb_any(skb); |
Patrick McHardy | ec634fe | 2009-07-05 19:23:38 -0700 | [diff] [blame] | 1611 | return NETDEV_TX_OK; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1612 | } |
| 1613 | |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 1614 | /* longpre 144+48 shortpre 72+24 */ |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1615 | u16 rtl8180_len2duration(u32 len, short rate, short *ext) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1616 | { |
| 1617 | u16 duration; |
| 1618 | u16 drift; |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1619 | *ext = 0; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1620 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1621 | switch (rate) { |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 1622 | case 0: /* 1mbps */ |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1623 | *ext = 0; |
| 1624 | duration = ((len+4)<<4) / 0x2; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1625 | drift = ((len+4)<<4) % 0x2; |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1626 | if (drift == 0) |
| 1627 | break; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1628 | duration++; |
| 1629 | break; |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 1630 | case 1: /* 2mbps */ |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1631 | *ext = 0; |
| 1632 | duration = ((len+4)<<4) / 0x4; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1633 | drift = ((len+4)<<4) % 0x4; |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1634 | if (drift == 0) |
| 1635 | break; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1636 | duration++; |
| 1637 | break; |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 1638 | case 2: /* 5.5mbps */ |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1639 | *ext = 0; |
| 1640 | duration = ((len+4)<<4) / 0xb; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1641 | drift = ((len+4)<<4) % 0xb; |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1642 | if (drift == 0) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1643 | break; |
| 1644 | duration++; |
| 1645 | break; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1646 | default: |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 1647 | case 3: /* 11mbps */ |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1648 | *ext = 0; |
| 1649 | duration = ((len+4)<<4) / 0x16; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1650 | drift = ((len+4)<<4) % 0x16; |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1651 | if (drift == 0) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1652 | break; |
| 1653 | duration++; |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1654 | if (drift > 6) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1655 | break; |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1656 | *ext = 1; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1657 | break; |
| 1658 | } |
| 1659 | |
| 1660 | return duration; |
| 1661 | } |
| 1662 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1663 | void rtl8180_prepare_beacon(struct net_device *dev) |
| 1664 | { |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1665 | struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1666 | struct sk_buff *skb; |
| 1667 | |
| 1668 | u16 word = read_nic_word(dev, BcnItv); |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 1669 | word &= ~BcnItv_BcnItv; /* clear Bcn_Itv */ |
| 1670 | word |= cpu_to_le16(priv->ieee80211->current_network.beacon_interval); /* 0x64; */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1671 | write_nic_word(dev, BcnItv, word); |
| 1672 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1673 | skb = ieee80211_get_beacon(priv->ieee80211); |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1674 | if (skb) { |
| 1675 | rtl8180_tx(dev, skb->data, skb->len, BEACON_PRIORITY, |
| 1676 | 0, 0, ieeerate2rtlrate(priv->ieee80211->basic_rate)); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1677 | dev_kfree_skb_any(skb); |
| 1678 | } |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1679 | } |
| 1680 | |
Andrew Miller | cd68680 | 2012-03-14 18:26:57 -0400 | [diff] [blame] | 1681 | /* |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 1682 | * This function do the real dirty work: it enqueues a TX command |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1683 | * descriptor in the ring buffer, copyes the frame in a TX buffer |
| 1684 | * and kicks the NIC to ensure it does the DMA transfer. |
| 1685 | */ |
YAMANE Toshiaki | ac8bc12 | 2012-11-22 09:06:50 +0900 | [diff] [blame] | 1686 | short rtl8180_tx(struct net_device *dev, u8 *txbuf, int len, int priority, |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1687 | short morefrag, short descfrag, int rate) |
| 1688 | { |
| 1689 | struct r8180_priv *priv = ieee80211_priv(dev); |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1690 | u32 *tail, *temp_tail; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1691 | u32 *begin; |
| 1692 | u32 *buf; |
| 1693 | int i; |
| 1694 | int remain; |
| 1695 | int buflen; |
| 1696 | int count; |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1697 | struct buffer *buflist; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1698 | struct ieee80211_hdr_3addr *frag_hdr = (struct ieee80211_hdr_3addr *)txbuf; |
| 1699 | u8 dest[ETH_ALEN]; |
| 1700 | u8 bUseShortPreamble = 0; |
| 1701 | u8 bCTSEnable = 0; |
| 1702 | u8 bRTSEnable = 0; |
John Church | cb73da2 | 2010-04-08 16:04:17 -0500 | [diff] [blame] | 1703 | u16 Duration = 0; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1704 | u16 RtsDur = 0; |
| 1705 | u16 ThisFrameTime = 0; |
| 1706 | u16 TxDescDuration = 0; |
John Church | cb73da2 | 2010-04-08 16:04:17 -0500 | [diff] [blame] | 1707 | u8 ownbit_flag = false; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1708 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1709 | switch (priority) { |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1710 | case MANAGE_PRIORITY: |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1711 | tail = priv->txmapringtail; |
| 1712 | begin = priv->txmapring; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1713 | buflist = priv->txmapbufstail; |
| 1714 | count = priv->txringcount; |
| 1715 | break; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1716 | case BK_PRIORITY: |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1717 | tail = priv->txbkpringtail; |
| 1718 | begin = priv->txbkpring; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1719 | buflist = priv->txbkpbufstail; |
| 1720 | count = priv->txringcount; |
| 1721 | break; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1722 | case BE_PRIORITY: |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1723 | tail = priv->txbepringtail; |
| 1724 | begin = priv->txbepring; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1725 | buflist = priv->txbepbufstail; |
| 1726 | count = priv->txringcount; |
| 1727 | break; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1728 | case VI_PRIORITY: |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1729 | tail = priv->txvipringtail; |
| 1730 | begin = priv->txvipring; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1731 | buflist = priv->txvipbufstail; |
| 1732 | count = priv->txringcount; |
| 1733 | break; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1734 | case VO_PRIORITY: |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1735 | tail = priv->txvopringtail; |
| 1736 | begin = priv->txvopring; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1737 | buflist = priv->txvopbufstail; |
| 1738 | count = priv->txringcount; |
| 1739 | break; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1740 | case HI_PRIORITY: |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1741 | tail = priv->txhpringtail; |
| 1742 | begin = priv->txhpring; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1743 | buflist = priv->txhpbufstail; |
| 1744 | count = priv->txringcount; |
| 1745 | break; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1746 | case BEACON_PRIORITY: |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1747 | tail = priv->txbeaconringtail; |
| 1748 | begin = priv->txbeaconring; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1749 | buflist = priv->txbeaconbufstail; |
| 1750 | count = priv->txbeaconcount; |
| 1751 | break; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1752 | default: |
| 1753 | return -1; |
| 1754 | break; |
John Church | cb73da2 | 2010-04-08 16:04:17 -0500 | [diff] [blame] | 1755 | } |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1756 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1757 | memcpy(&dest, frag_hdr->addr1, ETH_ALEN); |
Joe Perches | 14fc423 | 2012-05-08 10:11:56 -0700 | [diff] [blame] | 1758 | if (is_multicast_ether_addr(dest)) { |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1759 | Duration = 0; |
| 1760 | RtsDur = 0; |
| 1761 | bRTSEnable = 0; |
| 1762 | bCTSEnable = 0; |
| 1763 | |
Andrew Miller | dec3a00 | 2012-03-14 18:26:59 -0400 | [diff] [blame] | 1764 | ThisFrameTime = ComputeTxTime(len + sCrcLng, rtl8180_rate2rate(rate), |
| 1765 | 0, bUseShortPreamble); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1766 | TxDescDuration = ThisFrameTime; |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 1767 | } else { /* Unicast packet */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1768 | u16 AckTime; |
| 1769 | |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 1770 | /* YJ,add,080828,for Keep alive */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1771 | priv->NumTxUnicast++; |
| 1772 | |
Larry Finger | 1994130 | 2010-01-25 13:11:49 -0600 | [diff] [blame] | 1773 | /* Figure out ACK rate according to BSS basic rate |
| 1774 | * and Tx rate. */ |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 1775 | AckTime = ComputeTxTime(14, 10, 0, 0); /* AckCTSLng = 14 use 1M bps send */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1776 | |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 1777 | if (((len + sCrcLng) > priv->rts) && priv->rts) { /* RTS/CTS. */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1778 | u16 RtsTime, CtsTime; |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 1779 | /* u16 CtsRate; */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1780 | bRTSEnable = 1; |
| 1781 | bCTSEnable = 0; |
| 1782 | |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 1783 | /* Rate and time required for RTS. */ |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1784 | RtsTime = ComputeTxTime(sAckCtsLng/8, priv->ieee80211->basic_rate, 0, 0); |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 1785 | /* Rate and time required for CTS. */ |
| 1786 | CtsTime = ComputeTxTime(14, 10, 0, 0); /* AckCTSLng = 14 use 1M bps send */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1787 | |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 1788 | /* Figure out time required to transmit this frame. */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1789 | ThisFrameTime = ComputeTxTime(len + sCrcLng, |
| 1790 | rtl8180_rate2rate(rate), |
| 1791 | 0, |
| 1792 | bUseShortPreamble); |
| 1793 | |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 1794 | /* RTS-CTS-ThisFrame-ACK. */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1795 | RtsDur = CtsTime + ThisFrameTime + AckTime + 3*aSifsTime; |
| 1796 | |
| 1797 | TxDescDuration = RtsTime + RtsDur; |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 1798 | } else { /* Normal case. */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1799 | bCTSEnable = 0; |
| 1800 | bRTSEnable = 0; |
| 1801 | RtsDur = 0; |
| 1802 | |
Andrew Miller | dec3a00 | 2012-03-14 18:26:59 -0400 | [diff] [blame] | 1803 | ThisFrameTime = ComputeTxTime(len + sCrcLng, rtl8180_rate2rate(rate), |
| 1804 | 0, bUseShortPreamble); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1805 | TxDescDuration = ThisFrameTime + aSifsTime + AckTime; |
| 1806 | } |
| 1807 | |
Larry Finger | b6b1ac6 | 2010-01-14 13:13:47 -0600 | [diff] [blame] | 1808 | if (!(frag_hdr->frame_control & IEEE80211_FCTL_MOREFRAGS)) { |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 1809 | /* ThisFrame-ACK. */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1810 | Duration = aSifsTime + AckTime; |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 1811 | } else { /* One or more fragments remained. */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1812 | u16 NextFragTime; |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 1813 | NextFragTime = ComputeTxTime(len + sCrcLng, /* pretend following packet length equal current packet */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1814 | rtl8180_rate2rate(rate), |
| 1815 | 0, |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1816 | bUseShortPreamble); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1817 | |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 1818 | /* ThisFrag-ACk-NextFrag-ACK. */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1819 | Duration = NextFragTime + 3*aSifsTime + 2*AckTime; |
| 1820 | } |
| 1821 | |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 1822 | } /* End of Unicast packet */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1823 | |
| 1824 | frag_hdr->duration_id = Duration; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1825 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1826 | buflen = priv->txbuffsize; |
| 1827 | remain = len; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1828 | temp_tail = tail; |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 1829 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1830 | while (remain != 0) { |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1831 | mb(); |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1832 | if (!buflist) { |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1833 | DMESGE("TX buffer error, cannot TX frames. pri %d.", priority); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1834 | return -1; |
| 1835 | } |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1836 | buf = buflist->buf; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1837 | |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 1838 | if ((*tail & (1 << 31)) && (priority != BEACON_PRIORITY)) { |
| 1839 | DMESGW("No more TX desc, returning %x of %x", |
| 1840 | remain, len); |
| 1841 | priv->stats.txrdu++; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1842 | return remain; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1843 | } |
| 1844 | |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 1845 | *tail = 0; /* zeroes header */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1846 | *(tail+1) = 0; |
| 1847 | *(tail+3) = 0; |
| 1848 | *(tail+5) = 0; |
| 1849 | *(tail+6) = 0; |
| 1850 | *(tail+7) = 0; |
| 1851 | |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 1852 | /* FIXME: this should be triggered by HW encryption parameters.*/ |
Larry Finger | d44eb88 | 2009-11-09 10:53:20 -0600 | [diff] [blame] | 1853 | *tail |= (1<<15); /* no encrypt */ |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 1854 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1855 | if (remain == len && !descfrag) { |
Larry Finger | 1994130 | 2010-01-25 13:11:49 -0600 | [diff] [blame] | 1856 | ownbit_flag = false; |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 1857 | *tail = *tail | (1<<29) ; /* fist segment of the packet */ |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1858 | *tail = *tail | (len); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1859 | } else { |
| 1860 | ownbit_flag = true; |
| 1861 | } |
| 1862 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1863 | for (i = 0; i < buflen && remain > 0; i++, remain--) { |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 1864 | ((u8 *)buf)[i] = txbuf[i]; /* copy data into descriptor pointed DMAble buffer */ |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1865 | if (remain == 4 && i+4 >= buflen) |
| 1866 | break; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1867 | /* ensure the last desc has at least 4 bytes payload */ |
| 1868 | |
| 1869 | } |
| 1870 | txbuf = txbuf + i; |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1871 | *(tail+3) = *(tail+3) & ~0xfff; |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 1872 | *(tail+3) = *(tail+3) | i; /* buffer length */ |
| 1873 | /* Use short preamble or not */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1874 | if (priv->ieee80211->current_network.capability&WLAN_CAPABILITY_SHORT_PREAMBLE) |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 1875 | if (priv->plcp_preamble_mode == 1 && rate != 0) /* short mode now, not long! */ |
| 1876 | ; /* *tail |= (1<<16); */ /* enable short preamble mode. */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1877 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1878 | if (bCTSEnable) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1879 | *tail |= (1<<18); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1880 | |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 1881 | if (bRTSEnable) { /* rts enable */ |
| 1882 | *tail |= ((ieeerate2rtlrate(priv->ieee80211->basic_rate))<<19); /* RTS RATE */ |
| 1883 | *tail |= (1<<23); /* rts enable */ |
| 1884 | *(tail+1) |= (RtsDur&0xffff); /* RTS Duration */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1885 | } |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 1886 | *(tail+3) |= ((TxDescDuration&0xffff)<<16); /* DURATION */ |
| 1887 | /* *(tail+3) |= (0xe6<<16); */ |
| 1888 | *(tail+5) |= (11<<8); /* (priv->retry_data<<8); */ /* retry lim; */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1889 | |
| 1890 | *tail = *tail | ((rate&0xf) << 24); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1891 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1892 | if (morefrag) |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 1893 | *tail = (*tail) | (1<<17); /* more fragment */ |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1894 | if (!remain) |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 1895 | *tail = (*tail) | (1<<28); /* last segment of frame */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1896 | |
John Church | cb73da2 | 2010-04-08 16:04:17 -0500 | [diff] [blame] | 1897 | *(tail+5) = *(tail+5)|(2<<27); |
| 1898 | *(tail+7) = *(tail+7)|(1<<4); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1899 | |
| 1900 | wmb(); |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1901 | if (ownbit_flag) |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 1902 | *tail = *tail | (1<<31); /* descriptor ready to be txed */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1903 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1904 | if ((tail - begin)/8 == count-1) |
| 1905 | tail = begin; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1906 | else |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1907 | tail = tail+8; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1908 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1909 | buflist = buflist->next; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1910 | |
| 1911 | mb(); |
| 1912 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1913 | switch (priority) { |
| 1914 | case MANAGE_PRIORITY: |
| 1915 | priv->txmapringtail = tail; |
| 1916 | priv->txmapbufstail = buflist; |
| 1917 | break; |
| 1918 | case BK_PRIORITY: |
| 1919 | priv->txbkpringtail = tail; |
| 1920 | priv->txbkpbufstail = buflist; |
| 1921 | break; |
| 1922 | case BE_PRIORITY: |
| 1923 | priv->txbepringtail = tail; |
| 1924 | priv->txbepbufstail = buflist; |
| 1925 | break; |
| 1926 | case VI_PRIORITY: |
| 1927 | priv->txvipringtail = tail; |
| 1928 | priv->txvipbufstail = buflist; |
| 1929 | break; |
| 1930 | case VO_PRIORITY: |
| 1931 | priv->txvopringtail = tail; |
| 1932 | priv->txvopbufstail = buflist; |
| 1933 | break; |
| 1934 | case HI_PRIORITY: |
| 1935 | priv->txhpringtail = tail; |
| 1936 | priv->txhpbufstail = buflist; |
| 1937 | break; |
| 1938 | case BEACON_PRIORITY: |
Andrew Miller | cd68680 | 2012-03-14 18:26:57 -0400 | [diff] [blame] | 1939 | /* |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 1940 | * The HW seems to be happy with the 1st |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1941 | * descriptor filled and the 2nd empty... |
| 1942 | * So always update descriptor 1 and never |
| 1943 | * touch 2nd |
| 1944 | */ |
| 1945 | break; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1946 | } |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1947 | } |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 1948 | *temp_tail = *temp_tail | (1<<31); /* descriptor ready to be txed */ |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1949 | rtl8180_dma_kick(dev, priority); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1950 | |
| 1951 | return 0; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1952 | } |
| 1953 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1954 | void rtl8180_irq_rx_tasklet(struct r8180_priv *priv); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1955 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1956 | void rtl8180_link_change(struct net_device *dev) |
| 1957 | { |
| 1958 | struct r8180_priv *priv = ieee80211_priv(dev); |
| 1959 | u16 beacon_interval; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1960 | struct ieee80211_network *net = &priv->ieee80211->current_network; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1961 | |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 1962 | rtl8180_update_msr(dev); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1963 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1964 | rtl8180_set_mode(dev, EPROM_CMD_CONFIG); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1965 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1966 | write_nic_dword(dev, BSSID, ((u32 *)net->bssid)[0]); |
| 1967 | write_nic_word(dev, BSSID+4, ((u16 *)net->bssid)[2]); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1968 | |
Maxim Mikityanskiy | fbce428 | 2012-11-13 19:28:22 +0200 | [diff] [blame] | 1969 | beacon_interval = read_nic_word(dev, BEACON_INTERVAL); |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1970 | beacon_interval &= ~BEACON_INTERVAL_MASK; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1971 | beacon_interval |= net->beacon_interval; |
Maxim Mikityanskiy | fbce428 | 2012-11-13 19:28:22 +0200 | [diff] [blame] | 1972 | write_nic_word(dev, BEACON_INTERVAL, beacon_interval); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1973 | |
| 1974 | rtl8180_set_mode(dev, EPROM_CMD_NORMAL); |
| 1975 | |
Larry Finger | d44eb88 | 2009-11-09 10:53:20 -0600 | [diff] [blame] | 1976 | rtl8180_set_chan(dev, priv->chan); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1977 | } |
| 1978 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1979 | void rtl8180_rq_tx_ack(struct net_device *dev) |
| 1980 | { |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1981 | |
| 1982 | struct r8180_priv *priv = ieee80211_priv(dev); |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 1983 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1984 | write_nic_byte(dev, CONFIG4, read_nic_byte(dev, CONFIG4) | CONFIG4_PWRMGT); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1985 | priv->ack_tx_to_ieee = 1; |
| 1986 | } |
| 1987 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1988 | short rtl8180_is_tx_queue_empty(struct net_device *dev) |
| 1989 | { |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1990 | |
| 1991 | struct r8180_priv *priv = ieee80211_priv(dev); |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1992 | u32 *d; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1993 | |
| 1994 | for (d = priv->txmapring; |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 1995 | d < priv->txmapring + priv->txringcount; d += 8) |
| 1996 | if (*d & (1<<31)) |
| 1997 | return 0; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 1998 | |
| 1999 | for (d = priv->txbkpring; |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2000 | d < priv->txbkpring + priv->txringcount; d += 8) |
| 2001 | if (*d & (1<<31)) |
| 2002 | return 0; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2003 | |
| 2004 | for (d = priv->txbepring; |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2005 | d < priv->txbepring + priv->txringcount; d += 8) |
| 2006 | if (*d & (1<<31)) |
| 2007 | return 0; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2008 | |
| 2009 | for (d = priv->txvipring; |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2010 | d < priv->txvipring + priv->txringcount; d += 8) |
| 2011 | if (*d & (1<<31)) |
| 2012 | return 0; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2013 | |
| 2014 | for (d = priv->txvopring; |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2015 | d < priv->txvopring + priv->txringcount; d += 8) |
| 2016 | if (*d & (1<<31)) |
| 2017 | return 0; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2018 | |
| 2019 | for (d = priv->txhpring; |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2020 | d < priv->txhpring + priv->txringcount; d += 8) |
| 2021 | if (*d & (1<<31)) |
| 2022 | return 0; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2023 | return 1; |
| 2024 | } |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2025 | |
| 2026 | void rtl8180_hw_wakeup(struct net_device *dev) |
| 2027 | { |
| 2028 | unsigned long flags; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2029 | struct r8180_priv *priv = ieee80211_priv(dev); |
| 2030 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2031 | spin_lock_irqsave(&priv->ps_lock, flags); |
| 2032 | write_nic_byte(dev, CONFIG4, read_nic_byte(dev, CONFIG4) & ~CONFIG4_PWRMGT); |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 2033 | if (priv->rf_wakeup) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2034 | priv->rf_wakeup(dev); |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2035 | spin_unlock_irqrestore(&priv->ps_lock, flags); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2036 | } |
| 2037 | |
| 2038 | void rtl8180_hw_sleep_down(struct net_device *dev) |
| 2039 | { |
John Church | cb73da2 | 2010-04-08 16:04:17 -0500 | [diff] [blame] | 2040 | unsigned long flags; |
| 2041 | struct r8180_priv *priv = ieee80211_priv(dev); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2042 | |
John Church | cb73da2 | 2010-04-08 16:04:17 -0500 | [diff] [blame] | 2043 | spin_lock_irqsave(&priv->ps_lock, flags); |
| 2044 | if (priv->rf_sleep) |
| 2045 | priv->rf_sleep(dev); |
| 2046 | spin_unlock_irqrestore(&priv->ps_lock, flags); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2047 | } |
| 2048 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2049 | void rtl8180_hw_sleep(struct net_device *dev, u32 th, u32 tl) |
| 2050 | { |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2051 | struct r8180_priv *priv = ieee80211_priv(dev); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2052 | u32 rb = jiffies; |
| 2053 | unsigned long flags; |
| 2054 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2055 | spin_lock_irqsave(&priv->ps_lock, flags); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2056 | |
Andrew Miller | cd68680 | 2012-03-14 18:26:57 -0400 | [diff] [blame] | 2057 | /* |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 2058 | * Writing HW register with 0 equals to disable |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2059 | * the timer, that is not really what we want |
| 2060 | */ |
| 2061 | tl -= MSECS(4+16+7); |
| 2062 | |
Andrew Miller | cd68680 | 2012-03-14 18:26:57 -0400 | [diff] [blame] | 2063 | /* |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 2064 | * If the interval in witch we are requested to sleep is too |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2065 | * short then give up and remain awake |
| 2066 | */ |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2067 | if (((tl >= rb) && (tl-rb) <= MSECS(MIN_SLEEP_TIME)) |
| 2068 | || ((rb > tl) && (rb-tl) < MSECS(MIN_SLEEP_TIME))) { |
| 2069 | spin_unlock_irqrestore(&priv->ps_lock, flags); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2070 | printk("too short to sleep\n"); |
| 2071 | return; |
| 2072 | } |
| 2073 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2074 | { |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2075 | u32 tmp = (tl > rb) ? (tl-rb) : (rb-tl); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2076 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2077 | priv->DozePeriodInPast2Sec += jiffies_to_msecs(tmp); |
Andrew Miller | dec3a00 | 2012-03-14 18:26:59 -0400 | [diff] [blame] | 2078 | /* as tl may be less than rb */ |
| 2079 | queue_delayed_work(priv->ieee80211->wq, &priv->ieee80211->hw_wakeup_wq, tmp); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2080 | } |
Andrew Miller | cd68680 | 2012-03-14 18:26:57 -0400 | [diff] [blame] | 2081 | /* |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 2082 | * If we suspect the TimerInt is gone beyond tl |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2083 | * while setting it, then give up |
| 2084 | */ |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 2085 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2086 | if (((tl > rb) && ((tl-rb) > MSECS(MAX_SLEEP_TIME))) || |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2087 | ((tl < rb) && ((rb-tl) > MSECS(MAX_SLEEP_TIME)))) { |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2088 | spin_unlock_irqrestore(&priv->ps_lock, flags); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2089 | return; |
| 2090 | } |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2091 | |
| 2092 | queue_work(priv->ieee80211->wq, (void *)&priv->ieee80211->hw_sleep_wq); |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2093 | spin_unlock_irqrestore(&priv->ps_lock, flags); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2094 | } |
| 2095 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2096 | void rtl8180_wmm_param_update(struct work_struct *work) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2097 | { |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2098 | struct ieee80211_device *ieee = container_of(work, struct ieee80211_device, wmm_param_update_wq); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2099 | struct net_device *dev = ieee->dev; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2100 | u8 *ac_param = (u8 *)(ieee->current_network.wmm_param); |
| 2101 | u8 mode = ieee->current_network.mode; |
| 2102 | AC_CODING eACI; |
| 2103 | AC_PARAM AcParam; |
| 2104 | PAC_PARAM pAcParam; |
| 2105 | u8 i; |
| 2106 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2107 | if (!ieee->current_network.QoS_Enable) { |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 2108 | /* legacy ac_xx_param update */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2109 | AcParam.longData = 0; |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 2110 | AcParam.f.AciAifsn.f.AIFSN = 2; /* Follow 802.11 DIFS. */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2111 | AcParam.f.AciAifsn.f.ACM = 0; |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 2112 | AcParam.f.Ecw.f.ECWmin = 3; /* Follow 802.11 CWmin. */ |
| 2113 | AcParam.f.Ecw.f.ECWmax = 7; /* Follow 802.11 CWmax. */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2114 | AcParam.f.TXOPLimit = 0; |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2115 | for (eACI = 0; eACI < AC_MAX; eACI++) { |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2116 | AcParam.f.AciAifsn.f.ACI = (u8)eACI; |
| 2117 | { |
| 2118 | u8 u1bAIFS; |
| 2119 | u32 u4bAcParam; |
| 2120 | pAcParam = (PAC_PARAM)(&AcParam); |
Masanari Iida | 3d604a3 | 2012-08-10 01:06:54 +0900 | [diff] [blame] | 2121 | /* Retrieve parameters to update. */ |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2122 | u1bAIFS = pAcParam->f.AciAifsn.f.AIFSN * (((mode&IEEE_G) == IEEE_G) ? 9 : 20) + aSifsTime; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2123 | u4bAcParam = ((((u32)(pAcParam->f.TXOPLimit))<<AC_PARAM_TXOP_LIMIT_OFFSET)| |
| 2124 | (((u32)(pAcParam->f.Ecw.f.ECWmax))<<AC_PARAM_ECW_MAX_OFFSET)| |
| 2125 | (((u32)(pAcParam->f.Ecw.f.ECWmin))<<AC_PARAM_ECW_MIN_OFFSET)| |
| 2126 | (((u32)u1bAIFS) << AC_PARAM_AIFS_OFFSET)); |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2127 | switch (eACI) { |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2128 | case AC1_BK: |
| 2129 | write_nic_dword(dev, AC_BK_PARAM, u4bAcParam); |
| 2130 | break; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2131 | case AC0_BE: |
| 2132 | write_nic_dword(dev, AC_BE_PARAM, u4bAcParam); |
| 2133 | break; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2134 | case AC2_VI: |
| 2135 | write_nic_dword(dev, AC_VI_PARAM, u4bAcParam); |
| 2136 | break; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2137 | case AC3_VO: |
| 2138 | write_nic_dword(dev, AC_VO_PARAM, u4bAcParam); |
| 2139 | break; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2140 | default: |
YAMANE Toshiaki | fe5388c | 2012-11-22 09:07:04 +0900 | [diff] [blame] | 2141 | pr_warn("SetHwReg8185():invalid ACI: %d!\n", |
| 2142 | eACI); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2143 | break; |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2144 | } |
| 2145 | } |
| 2146 | } |
| 2147 | return; |
| 2148 | } |
| 2149 | |
| 2150 | for (i = 0; i < AC_MAX; i++) { |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 2151 | /* AcParam.longData = 0; */ |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2152 | pAcParam = (AC_PARAM *)ac_param; |
| 2153 | { |
| 2154 | AC_CODING eACI; |
| 2155 | u8 u1bAIFS; |
| 2156 | u32 u4bAcParam; |
| 2157 | |
Masanari Iida | 3d604a3 | 2012-08-10 01:06:54 +0900 | [diff] [blame] | 2158 | /* Retrieve parameters to update. */ |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2159 | eACI = pAcParam->f.AciAifsn.f.ACI; |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 2160 | /* Mode G/A: slotTimeTimer = 9; Mode B: 20 */ |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2161 | u1bAIFS = pAcParam->f.AciAifsn.f.AIFSN * (((mode&IEEE_G) == IEEE_G) ? 9 : 20) + aSifsTime; |
| 2162 | u4bAcParam = ((((u32)(pAcParam->f.TXOPLimit)) << AC_PARAM_TXOP_LIMIT_OFFSET) | |
| 2163 | (((u32)(pAcParam->f.Ecw.f.ECWmax)) << AC_PARAM_ECW_MAX_OFFSET) | |
| 2164 | (((u32)(pAcParam->f.Ecw.f.ECWmin)) << AC_PARAM_ECW_MIN_OFFSET) | |
| 2165 | (((u32)u1bAIFS) << AC_PARAM_AIFS_OFFSET)); |
| 2166 | |
| 2167 | switch (eACI) { |
| 2168 | case AC1_BK: |
| 2169 | write_nic_dword(dev, AC_BK_PARAM, u4bAcParam); |
| 2170 | break; |
| 2171 | case AC0_BE: |
| 2172 | write_nic_dword(dev, AC_BE_PARAM, u4bAcParam); |
| 2173 | break; |
| 2174 | case AC2_VI: |
| 2175 | write_nic_dword(dev, AC_VI_PARAM, u4bAcParam); |
| 2176 | break; |
| 2177 | case AC3_VO: |
| 2178 | write_nic_dword(dev, AC_VO_PARAM, u4bAcParam); |
| 2179 | break; |
| 2180 | default: |
YAMANE Toshiaki | fe5388c | 2012-11-22 09:07:04 +0900 | [diff] [blame] | 2181 | pr_warn("SetHwReg8185(): invalid ACI: %d !\n", |
| 2182 | eACI); |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2183 | break; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2184 | } |
| 2185 | } |
| 2186 | ac_param += (sizeof(AC_PARAM)); |
| 2187 | } |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2188 | } |
| 2189 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2190 | void rtl8180_restart_wq(struct work_struct *work); |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 2191 | /* void rtl8180_rq_tx_ack(struct work_struct *work); */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2192 | void rtl8180_watch_dog_wq(struct work_struct *work); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2193 | void rtl8180_hw_wakeup_wq(struct work_struct *work); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2194 | void rtl8180_hw_sleep_wq(struct work_struct *work); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2195 | void rtl8180_sw_antenna_wq(struct work_struct *work); |
Bartlomiej Zolnierkiewicz | 0370453 | 2009-06-13 18:30:28 +0200 | [diff] [blame] | 2196 | void rtl8180_watch_dog(struct net_device *dev); |
| 2197 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2198 | void watch_dog_adaptive(unsigned long data) |
| 2199 | { |
YAMANE Toshiaki | ac8bc12 | 2012-11-22 09:06:50 +0900 | [diff] [blame] | 2200 | struct r8180_priv *priv = ieee80211_priv((struct net_device *)data); |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 2201 | |
| 2202 | if (!priv->up) { |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2203 | DMESG("<----watch_dog_adaptive():driver is not up!\n"); |
| 2204 | return; |
| 2205 | } |
| 2206 | |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 2207 | /* Tx High Power Mechanism. */ |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2208 | if (CheckHighPower((struct net_device *)data)) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2209 | queue_work(priv->ieee80211->wq, (void *)&priv->ieee80211->tx_pw_wq); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2210 | |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 2211 | /* Tx Power Tracking on 87SE. */ |
Dan Carpenter | cffd4e1 | 2010-01-18 14:23:20 +0300 | [diff] [blame] | 2212 | if (CheckTxPwrTracking((struct net_device *)data)) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2213 | TxPwrTracking87SE((struct net_device *)data); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2214 | |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 2215 | /* Perform DIG immediately. */ |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2216 | if (CheckDig((struct net_device *)data) == true) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2217 | queue_work(priv->ieee80211->wq, (void *)&priv->ieee80211->hw_dig_wq); |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2218 | rtl8180_watch_dog((struct net_device *)data); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2219 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2220 | queue_work(priv->ieee80211->wq, (void *)&priv->ieee80211->GPIOChangeRFWorkItem); |
| 2221 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2222 | priv->watch_dog_timer.expires = jiffies + MSECS(IEEE80211_WATCH_DOG_TIME); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2223 | add_timer(&priv->watch_dog_timer); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2224 | } |
| 2225 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2226 | static CHANNEL_LIST ChannelPlan[] = { |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 2227 | {{1,2,3,4,5,6,7,8,9,10,11,36,40,44,48,52,56,60,64},19}, /* FCC */ |
| 2228 | {{1,2,3,4,5,6,7,8,9,10,11},11}, /* IC */ |
| 2229 | {{1,2,3,4,5,6,7,8,9,10,11,12,13,36,40,44,48,52,56,60,64},21}, /* ETSI */ |
| 2230 | {{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. */ |
| 2231 | {{1,2,3,4,5,6,7,8,9,10,11,12,13,36,40,44,48,52,56,60,64},21}, /* France. Change to ETSI. */ |
| 2232 | {{14,36,40,44,48,52,56,60,64},9}, /* MKK */ |
| 2233 | {{1,2,3,4,5,6,7,8,9,10,11,12,13,14, 36,40,44,48,52,56,60,64},22},/* MKK1 */ |
| 2234 | {{1,2,3,4,5,6,7,8,9,10,11,12,13,36,40,44,48,52,56,60,64},21}, /* Israel. */ |
| 2235 | {{1,2,3,4,5,6,7,8,9,10,11,12,13,34,38,42,46},17}, /* For 11a , TELEC */ |
| 2236 | {{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 */ |
| 2237 | {{1,2,3,4,5,6,7,8,9,10,11,12,13},13} /* world wide 13: ch1~ch11 active scan, ch12~13 passive //lzm add 080826 */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2238 | }; |
| 2239 | |
| 2240 | static void rtl8180_set_channel_map(u8 channel_plan, struct ieee80211_device *ieee) |
| 2241 | { |
| 2242 | int i; |
| 2243 | |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 2244 | /* lzm add 080826 */ |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2245 | ieee->MinPassiveChnlNum = MAX_CHANNEL_NUMBER+1; |
| 2246 | ieee->IbssStartChnl = 0; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2247 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2248 | switch (channel_plan) { |
| 2249 | case COUNTRY_CODE_FCC: |
| 2250 | case COUNTRY_CODE_IC: |
| 2251 | case COUNTRY_CODE_ETSI: |
| 2252 | case COUNTRY_CODE_SPAIN: |
| 2253 | case COUNTRY_CODE_FRANCE: |
| 2254 | case COUNTRY_CODE_MKK: |
| 2255 | case COUNTRY_CODE_MKK1: |
| 2256 | case COUNTRY_CODE_ISRAEL: |
| 2257 | case COUNTRY_CODE_TELEC: |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2258 | { |
| 2259 | Dot11d_Init(ieee); |
| 2260 | ieee->bGlobalDomain = false; |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2261 | if (ChannelPlan[channel_plan].Len != 0) { |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 2262 | /* Clear old channel map */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2263 | memset(GET_DOT11D_INFO(ieee)->channel_map, 0, sizeof(GET_DOT11D_INFO(ieee)->channel_map)); |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 2264 | /* Set new channel map */ |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2265 | for (i = 0; i < ChannelPlan[channel_plan].Len; i++) { |
| 2266 | if (ChannelPlan[channel_plan].Channel[i] <= 14) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2267 | GET_DOT11D_INFO(ieee)->channel_map[ChannelPlan[channel_plan].Channel[i]] = 1; |
| 2268 | } |
| 2269 | } |
| 2270 | break; |
| 2271 | } |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2272 | case COUNTRY_CODE_GLOBAL_DOMAIN: |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2273 | { |
| 2274 | GET_DOT11D_INFO(ieee)->bEnabled = 0; |
| 2275 | Dot11d_Reset(ieee); |
| 2276 | ieee->bGlobalDomain = true; |
| 2277 | break; |
| 2278 | } |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 2279 | case COUNTRY_CODE_WORLD_WIDE_13_INDEX:/* lzm add 080826 */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2280 | { |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2281 | ieee->MinPassiveChnlNum = 12; |
| 2282 | ieee->IbssStartChnl = 10; |
| 2283 | break; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2284 | } |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2285 | default: |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2286 | { |
| 2287 | Dot11d_Init(ieee); |
| 2288 | ieee->bGlobalDomain = false; |
| 2289 | memset(GET_DOT11D_INFO(ieee)->channel_map, 0, sizeof(GET_DOT11D_INFO(ieee)->channel_map)); |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2290 | for (i = 1; i <= 14; i++) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2291 | GET_DOT11D_INFO(ieee)->channel_map[i] = 1; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2292 | break; |
| 2293 | } |
| 2294 | } |
| 2295 | } |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2296 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2297 | void GPIOChangeRFWorkItemCallBack(struct work_struct *work); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2298 | |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 2299 | /* YJ,add,080828 */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2300 | static void rtl8180_statistics_init(struct Stats *pstats) |
| 2301 | { |
| 2302 | memset(pstats, 0, sizeof(struct Stats)); |
| 2303 | } |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 2304 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2305 | static void rtl8180_link_detect_init(plink_detect_t plink_detect) |
| 2306 | { |
| 2307 | memset(plink_detect, 0, sizeof(link_detect_t)); |
| 2308 | plink_detect->SlotNum = DEFAULT_SLOT_NUM; |
| 2309 | } |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2310 | |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 2311 | /* YJ,add,080828,end */ |
Larry Finger | 742821c | 2010-02-11 12:07:35 -0600 | [diff] [blame] | 2312 | static void rtl8187se_eeprom_register_read(struct eeprom_93cx6 *eeprom) |
| 2313 | { |
| 2314 | struct net_device *dev = eeprom->data; |
| 2315 | u8 reg = read_nic_byte(dev, EPROM_CMD); |
| 2316 | |
| 2317 | eeprom->reg_data_in = reg & RTL818X_EEPROM_CMD_WRITE; |
| 2318 | eeprom->reg_data_out = reg & RTL818X_EEPROM_CMD_READ; |
| 2319 | eeprom->reg_data_clock = reg & RTL818X_EEPROM_CMD_CK; |
| 2320 | eeprom->reg_chip_select = reg & RTL818X_EEPROM_CMD_CS; |
| 2321 | } |
| 2322 | |
| 2323 | static void rtl8187se_eeprom_register_write(struct eeprom_93cx6 *eeprom) |
| 2324 | { |
| 2325 | struct net_device *dev = eeprom->data; |
| 2326 | u8 reg = 2 << 6; |
| 2327 | |
| 2328 | if (eeprom->reg_data_in) |
| 2329 | reg |= RTL818X_EEPROM_CMD_WRITE; |
| 2330 | if (eeprom->reg_data_out) |
| 2331 | reg |= RTL818X_EEPROM_CMD_READ; |
| 2332 | if (eeprom->reg_data_clock) |
| 2333 | reg |= RTL818X_EEPROM_CMD_CK; |
| 2334 | if (eeprom->reg_chip_select) |
| 2335 | reg |= RTL818X_EEPROM_CMD_CS; |
| 2336 | |
| 2337 | write_nic_byte(dev, EPROM_CMD, reg); |
| 2338 | read_nic_byte(dev, EPROM_CMD); |
| 2339 | udelay(10); |
| 2340 | } |
| 2341 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2342 | short rtl8180_init(struct net_device *dev) |
| 2343 | { |
| 2344 | struct r8180_priv *priv = ieee80211_priv(dev); |
| 2345 | u16 word; |
Maxim Mikityanskiy | 3044e45 | 2012-11-13 19:28:20 +0200 | [diff] [blame] | 2346 | u16 usValue; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2347 | u16 tmpu16; |
| 2348 | int i, j; |
Larry Finger | 742821c | 2010-02-11 12:07:35 -0600 | [diff] [blame] | 2349 | struct eeprom_93cx6 eeprom; |
| 2350 | u16 eeprom_val; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2351 | |
Larry Finger | 742821c | 2010-02-11 12:07:35 -0600 | [diff] [blame] | 2352 | eeprom.data = dev; |
| 2353 | eeprom.register_read = rtl8187se_eeprom_register_read; |
| 2354 | eeprom.register_write = rtl8187se_eeprom_register_write; |
| 2355 | eeprom.width = PCI_EEPROM_WIDTH_93C46; |
| 2356 | |
| 2357 | eeprom_93cx6_read(&eeprom, EEPROM_COUNTRY_CODE>>1, &eeprom_val); |
| 2358 | priv->channel_plan = eeprom_val & 0xFF; |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2359 | if (priv->channel_plan > COUNTRY_CODE_GLOBAL_DOMAIN) { |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2360 | printk("rtl8180_init:Error channel plan! Set to default.\n"); |
| 2361 | priv->channel_plan = 0; |
| 2362 | } |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2363 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2364 | DMESG("Channel plan is %d\n", priv->channel_plan); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2365 | rtl8180_set_channel_map(priv->channel_plan, priv->ieee80211); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2366 | |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 2367 | /* FIXME: these constants are placed in a bad pleace. */ |
| 2368 | priv->txbuffsize = 2048; /* 1024; */ |
| 2369 | priv->txringcount = 32; /* 32; */ |
| 2370 | priv->rxbuffersize = 2048; /* 1024; */ |
| 2371 | priv->rxringcount = 64; /* 32; */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2372 | priv->txbeaconcount = 2; |
| 2373 | priv->rx_skb_complete = 1; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2374 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2375 | priv->RFChangeInProgress = false; |
| 2376 | priv->SetRFPowerStateInProgress = false; |
| 2377 | priv->RFProgType = 0; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2378 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2379 | priv->irq_enabled = 0; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2380 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2381 | rtl8180_statistics_init(&priv->stats); |
| 2382 | rtl8180_link_detect_init(&priv->link_detect); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2383 | |
| 2384 | priv->ack_tx_to_ieee = 0; |
| 2385 | priv->ieee80211->current_network.beacon_interval = DEFAULT_BEACONINTERVAL; |
| 2386 | priv->ieee80211->iw_mode = IW_MODE_INFRA; |
| 2387 | priv->ieee80211->softmac_features = IEEE_SOFTMAC_SCAN | |
| 2388 | IEEE_SOFTMAC_ASSOCIATE | IEEE_SOFTMAC_PROBERQ | |
| 2389 | IEEE_SOFTMAC_PROBERS | IEEE_SOFTMAC_TX_QUEUE; |
| 2390 | priv->ieee80211->active_scan = 1; |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 2391 | priv->ieee80211->rate = 110; /* 11 mbps */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2392 | priv->ieee80211->modulation = IEEE80211_CCK_MODULATION; |
| 2393 | priv->ieee80211->host_encrypt = 1; |
| 2394 | priv->ieee80211->host_decrypt = 1; |
| 2395 | priv->ieee80211->sta_wake_up = rtl8180_hw_wakeup; |
| 2396 | priv->ieee80211->ps_request_tx_ack = rtl8180_rq_tx_ack; |
| 2397 | priv->ieee80211->enter_sleep_state = rtl8180_hw_sleep; |
| 2398 | priv->ieee80211->ps_is_queue_empty = rtl8180_is_tx_queue_empty; |
| 2399 | |
| 2400 | priv->hw_wep = hwwep; |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2401 | priv->dev = dev; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2402 | priv->retry_rts = DEFAULT_RETRY_RTS; |
| 2403 | priv->retry_data = DEFAULT_RETRY_DATA; |
| 2404 | priv->RFChangeInProgress = false; |
| 2405 | priv->SetRFPowerStateInProgress = false; |
| 2406 | priv->RFProgType = 0; |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 2407 | priv->bInactivePs = true; /* false; */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2408 | priv->ieee80211->bInactivePs = priv->bInactivePs; |
| 2409 | priv->bSwRfProcessing = false; |
| 2410 | priv->eRFPowerState = eRfOff; |
| 2411 | priv->RfOffReason = 0; |
| 2412 | priv->LedStrategy = SW_LED_MODE0; |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 2413 | priv->TxPollingTimes = 0; /* lzm add 080826 */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2414 | priv->bLeisurePs = true; |
| 2415 | priv->dot11PowerSaveMode = eActive; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2416 | priv->AdMinCheckPeriod = 5; |
| 2417 | priv->AdMaxCheckPeriod = 10; |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 2418 | priv->AdMaxRxSsThreshold = 30; /* 60->30 */ |
| 2419 | priv->AdRxSsThreshold = 20; /* 50->20 */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2420 | priv->AdCheckPeriod = priv->AdMinCheckPeriod; |
| 2421 | priv->AdTickCount = 0; |
| 2422 | priv->AdRxSignalStrength = -1; |
| 2423 | priv->RegSwAntennaDiversityMechanism = 0; |
| 2424 | priv->RegDefaultAntenna = 0; |
| 2425 | priv->SignalStrength = 0; |
| 2426 | priv->AdRxOkCnt = 0; |
| 2427 | priv->CurrAntennaIndex = 0; |
| 2428 | priv->AdRxSsBeforeSwitched = 0; |
| 2429 | init_timer(&priv->SwAntennaDiversityTimer); |
| 2430 | priv->SwAntennaDiversityTimer.data = (unsigned long)dev; |
| 2431 | priv->SwAntennaDiversityTimer.function = (void *)SwAntennaDiversityTimerCallback; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2432 | priv->bDigMechanism = 1; |
| 2433 | priv->InitialGain = 6; |
| 2434 | priv->bXtalCalibration = false; |
| 2435 | priv->XtalCal_Xin = 0; |
| 2436 | priv->XtalCal_Xout = 0; |
| 2437 | priv->bTxPowerTrack = false; |
| 2438 | priv->ThermalMeter = 0; |
| 2439 | priv->FalseAlarmRegValue = 0; |
Justin P. Mattock | ed2cb4f | 2012-04-17 06:56:43 -0700 | [diff] [blame] | 2440 | priv->RegDigOfdmFaUpTh = 0xc; /* Upper threshold of OFDM false alarm, which is used in DIG. */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2441 | priv->DIG_NumberFallbackVote = 0; |
| 2442 | priv->DIG_NumberUpgradeVote = 0; |
| 2443 | priv->LastSignalStrengthInPercent = 0; |
| 2444 | priv->Stats_SignalStrength = 0; |
| 2445 | priv->LastRxPktAntenna = 0; |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 2446 | priv->SignalQuality = 0; /* in 0-100 index. */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2447 | priv->Stats_SignalQuality = 0; |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 2448 | priv->RecvSignalPower = 0; /* in dBm. */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2449 | priv->Stats_RecvSignalPower = 0; |
| 2450 | priv->AdMainAntennaRxOkCnt = 0; |
| 2451 | priv->AdAuxAntennaRxOkCnt = 0; |
| 2452 | priv->bHWAdSwitched = false; |
| 2453 | priv->bRegHighPowerMechanism = true; |
| 2454 | priv->RegHiPwrUpperTh = 77; |
| 2455 | priv->RegHiPwrLowerTh = 75; |
| 2456 | priv->RegRSSIHiPwrUpperTh = 70; |
| 2457 | priv->RegRSSIHiPwrLowerTh = 20; |
| 2458 | priv->bCurCCKPkt = false; |
| 2459 | priv->UndecoratedSmoothedSS = -1; |
| 2460 | priv->bToUpdateTxPwr = false; |
| 2461 | priv->CurCCKRSSI = 0; |
| 2462 | priv->RxPower = 0; |
| 2463 | priv->RSSI = 0; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2464 | priv->NumTxOkTotal = 0; |
| 2465 | priv->NumTxUnicast = 0; |
| 2466 | priv->keepAliveLevel = DEFAULT_KEEP_ALIVE_LEVEL; |
Larry Finger | 1994130 | 2010-01-25 13:11:49 -0600 | [diff] [blame] | 2467 | priv->CurrRetryCnt = 0; |
| 2468 | priv->LastRetryCnt = 0; |
| 2469 | priv->LastTxokCnt = 0; |
| 2470 | priv->LastRxokCnt = 0; |
| 2471 | priv->LastRetryRate = 0; |
| 2472 | priv->bTryuping = 0; |
| 2473 | priv->CurrTxRate = 0; |
| 2474 | priv->CurrRetryRate = 0; |
| 2475 | priv->TryupingCount = 0; |
| 2476 | priv->TryupingCountNoData = 0; |
| 2477 | priv->TryDownCountLowData = 0; |
| 2478 | priv->LastTxOKBytes = 0; |
| 2479 | priv->LastFailTxRate = 0; |
| 2480 | priv->LastFailTxRateSS = 0; |
| 2481 | priv->FailTxRateCount = 0; |
| 2482 | priv->LastTxThroughput = 0; |
| 2483 | priv->NumTxOkBytesTotal = 0; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2484 | priv->ForcedDataRate = 0; |
| 2485 | priv->RegBModeGainStage = 1; |
| 2486 | |
Larry Finger | 1994130 | 2010-01-25 13:11:49 -0600 | [diff] [blame] | 2487 | priv->promisc = (dev->flags & IFF_PROMISC) ? 1 : 0; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2488 | spin_lock_init(&priv->irq_th_lock); |
| 2489 | spin_lock_init(&priv->tx_lock); |
| 2490 | spin_lock_init(&priv->ps_lock); |
| 2491 | spin_lock_init(&priv->rf_ps_lock); |
Larry Finger | 1994130 | 2010-01-25 13:11:49 -0600 | [diff] [blame] | 2492 | sema_init(&priv->wx_sem, 1); |
Larry Finger | 1994130 | 2010-01-25 13:11:49 -0600 | [diff] [blame] | 2493 | INIT_WORK(&priv->reset_wq, (void *)rtl8180_restart_wq); |
Larry Finger | 1994130 | 2010-01-25 13:11:49 -0600 | [diff] [blame] | 2494 | INIT_DELAYED_WORK(&priv->ieee80211->hw_wakeup_wq, |
| 2495 | (void *)rtl8180_hw_wakeup_wq); |
| 2496 | INIT_DELAYED_WORK(&priv->ieee80211->hw_sleep_wq, |
| 2497 | (void *)rtl8180_hw_sleep_wq); |
| 2498 | INIT_WORK(&priv->ieee80211->wmm_param_update_wq, |
| 2499 | (void *)rtl8180_wmm_param_update); |
| 2500 | INIT_DELAYED_WORK(&priv->ieee80211->rate_adapter_wq, |
| 2501 | (void *)rtl8180_rate_adapter); |
| 2502 | INIT_DELAYED_WORK(&priv->ieee80211->hw_dig_wq, |
| 2503 | (void *)rtl8180_hw_dig_wq); |
| 2504 | INIT_DELAYED_WORK(&priv->ieee80211->tx_pw_wq, |
| 2505 | (void *)rtl8180_tx_pw_wq); |
| 2506 | INIT_DELAYED_WORK(&priv->ieee80211->GPIOChangeRFWorkItem, |
| 2507 | (void *) GPIOChangeRFWorkItemCallBack); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2508 | tasklet_init(&priv->irq_rx_tasklet, |
| 2509 | (void(*)(unsigned long)) rtl8180_irq_rx_tasklet, |
| 2510 | (unsigned long)priv); |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 2511 | |
Larry Finger | 1994130 | 2010-01-25 13:11:49 -0600 | [diff] [blame] | 2512 | init_timer(&priv->watch_dog_timer); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2513 | priv->watch_dog_timer.data = (unsigned long)dev; |
| 2514 | priv->watch_dog_timer.function = watch_dog_adaptive; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2515 | |
Larry Finger | 1994130 | 2010-01-25 13:11:49 -0600 | [diff] [blame] | 2516 | init_timer(&priv->rateadapter_timer); |
| 2517 | priv->rateadapter_timer.data = (unsigned long)dev; |
| 2518 | priv->rateadapter_timer.function = timer_rate_adaptive; |
| 2519 | priv->RateAdaptivePeriod = RATE_ADAPTIVE_TIMER_PERIOD; |
| 2520 | priv->bEnhanceTxPwr = false; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2521 | |
| 2522 | priv->ieee80211->softmac_hard_start_xmit = rtl8180_hard_start_xmit; |
| 2523 | priv->ieee80211->set_chan = rtl8180_set_chan; |
| 2524 | priv->ieee80211->link_change = rtl8180_link_change; |
| 2525 | priv->ieee80211->softmac_data_hard_start_xmit = rtl8180_hard_data_xmit; |
| 2526 | priv->ieee80211->data_hard_stop = rtl8180_data_hard_stop; |
| 2527 | priv->ieee80211->data_hard_resume = rtl8180_data_hard_resume; |
| 2528 | |
John Church | cb73da2 | 2010-04-08 16:04:17 -0500 | [diff] [blame] | 2529 | priv->ieee80211->init_wmmparam_flag = 0; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2530 | |
| 2531 | priv->ieee80211->start_send_beacons = rtl8180_start_tx_beacon; |
| 2532 | priv->ieee80211->stop_send_beacons = rtl8180_beacon_tx_disable; |
| 2533 | priv->ieee80211->fts = DEFAULT_FRAG_THRESHOLD; |
| 2534 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2535 | priv->ShortRetryLimit = 7; |
| 2536 | priv->LongRetryLimit = 7; |
| 2537 | priv->EarlyRxThreshold = 7; |
| 2538 | |
Maxim Mikityanskiy | 42af499 | 2012-11-13 19:28:16 +0200 | [diff] [blame] | 2539 | priv->TransmitConfig = (1<<TCR_DurProcMode_OFFSET) | |
Larry Finger | 1994130 | 2010-01-25 13:11:49 -0600 | [diff] [blame] | 2540 | (7<<TCR_MXDMA_OFFSET) | |
| 2541 | (priv->ShortRetryLimit<<TCR_SRL_OFFSET) | |
Maxim Mikityanskiy | 42af499 | 2012-11-13 19:28:16 +0200 | [diff] [blame] | 2542 | (priv->LongRetryLimit<<TCR_LRL_OFFSET); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2543 | |
Larry Finger | 1994130 | 2010-01-25 13:11:49 -0600 | [diff] [blame] | 2544 | priv->ReceiveConfig = RCR_AMF | RCR_ADF | RCR_ACF | |
| 2545 | RCR_AB | RCR_AM | RCR_APM | |
| 2546 | (7<<RCR_MXDMA_OFFSET) | |
| 2547 | (priv->EarlyRxThreshold<<RCR_FIFO_OFFSET) | |
| 2548 | (priv->EarlyRxThreshold == 7 ? |
| 2549 | RCR_ONLYERLPKT : 0); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2550 | |
| 2551 | priv->IntrMask = IMR_TMGDOK | IMR_TBDER | IMR_THPDER | |
Larry Finger | 1994130 | 2010-01-25 13:11:49 -0600 | [diff] [blame] | 2552 | IMR_THPDER | IMR_THPDOK | |
| 2553 | IMR_TVODER | IMR_TVODOK | |
| 2554 | IMR_TVIDER | IMR_TVIDOK | |
| 2555 | IMR_TBEDER | IMR_TBEDOK | |
| 2556 | IMR_TBKDER | IMR_TBKDOK | |
| 2557 | IMR_RDU | |
| 2558 | IMR_RER | IMR_ROK | |
| 2559 | IMR_RQoSOK; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2560 | |
| 2561 | priv->InitialGain = 6; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2562 | |
Larry Finger | d44eb88 | 2009-11-09 10:53:20 -0600 | [diff] [blame] | 2563 | DMESG("MAC controller is a RTL8187SE b/g"); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2564 | |
Larry Finger | d44eb88 | 2009-11-09 10:53:20 -0600 | [diff] [blame] | 2565 | priv->ieee80211->modulation |= IEEE80211_OFDM_MODULATION; |
| 2566 | priv->ieee80211->short_slot = 1; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2567 | |
Maxim Mikityanskiy | 3044e45 | 2012-11-13 19:28:20 +0200 | [diff] [blame] | 2568 | eeprom_93cx6_read(&eeprom, EEPROM_SW_REVD_OFFSET, &usValue); |
| 2569 | DMESG("usValue is %#hx\n", usValue); |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 2570 | /* 3Read AntennaDiversity */ |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 2571 | |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 2572 | /* SW Antenna Diversity. */ |
Maxim Mikityanskiy | 3044e45 | 2012-11-13 19:28:20 +0200 | [diff] [blame] | 2573 | priv->EEPROMSwAntennaDiversity = (usValue & EEPROM_SW_AD_MASK) == |
| 2574 | EEPROM_SW_AD_ENABLE; |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 2575 | |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 2576 | /* Default Antenna to use. */ |
Maxim Mikityanskiy | 3044e45 | 2012-11-13 19:28:20 +0200 | [diff] [blame] | 2577 | priv->EEPROMDefaultAntenna1 = (usValue & EEPROM_DEF_ANT_MASK) == |
| 2578 | EEPROM_DEF_ANT_1; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2579 | |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 2580 | if (priv->RegSwAntennaDiversityMechanism == 0) /* Auto */ |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 2581 | /* 0: default from EEPROM. */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2582 | priv->bSwAntennaDiverity = priv->EEPROMSwAntennaDiversity; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2583 | else |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 2584 | /* 1:disable antenna diversity, 2: enable antenna diversity. */ |
Maxim Mikityanskiy | 3044e45 | 2012-11-13 19:28:20 +0200 | [diff] [blame] | 2585 | priv->bSwAntennaDiverity = priv->RegSwAntennaDiversityMechanism == 2; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2586 | |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 2587 | if (priv->RegDefaultAntenna == 0) |
| 2588 | /* 0: default from EEPROM. */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2589 | priv->bDefaultAntenna1 = priv->EEPROMDefaultAntenna1; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2590 | else |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 2591 | /* 1: main, 2: aux. */ |
Maxim Mikityanskiy | 3044e45 | 2012-11-13 19:28:20 +0200 | [diff] [blame] | 2592 | priv->bDefaultAntenna1 = priv->RegDefaultAntenna == 2; |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 2593 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2594 | priv->plcp_preamble_mode = 2; |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 2595 | /* the eeprom type is stored in RCR register bit #6 */ |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 2596 | if (RCR_9356SEL & read_nic_dword(dev, RCR)) |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2597 | priv->epromtype = EPROM_93c56; |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 2598 | else |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2599 | priv->epromtype = EPROM_93c46; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2600 | |
Larry Finger | 742821c | 2010-02-11 12:07:35 -0600 | [diff] [blame] | 2601 | eeprom_93cx6_multiread(&eeprom, 0x7, (__le16 *) |
| 2602 | dev->dev_addr, 3); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2603 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2604 | for (i = 1, j = 0; i < 14; i += 2, j++) { |
Larry Finger | 742821c | 2010-02-11 12:07:35 -0600 | [diff] [blame] | 2605 | eeprom_93cx6_read(&eeprom, EPROM_TXPW_CH1_2 + j, &word); |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2606 | priv->chtxpwr[i] = word & 0xff; |
| 2607 | priv->chtxpwr[i+1] = (word & 0xff00)>>8; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2608 | } |
Larry Finger | d44eb88 | 2009-11-09 10:53:20 -0600 | [diff] [blame] | 2609 | for (i = 1, j = 0; i < 14; i += 2, j++) { |
Larry Finger | 742821c | 2010-02-11 12:07:35 -0600 | [diff] [blame] | 2610 | eeprom_93cx6_read(&eeprom, EPROM_TXPW_OFDM_CH1_2 + j, &word); |
Larry Finger | d44eb88 | 2009-11-09 10:53:20 -0600 | [diff] [blame] | 2611 | priv->chtxpwr_ofdm[i] = word & 0xff; |
Larry Finger | 1994130 | 2010-01-25 13:11:49 -0600 | [diff] [blame] | 2612 | priv->chtxpwr_ofdm[i+1] = (word & 0xff00) >> 8; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2613 | } |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 2614 | |
Justin P. Mattock | ed2cb4f | 2012-04-17 06:56:43 -0700 | [diff] [blame] | 2615 | /* 3Read crystal calibration and thermal meter indication on 87SE. */ |
Larry Finger | 742821c | 2010-02-11 12:07:35 -0600 | [diff] [blame] | 2616 | eeprom_93cx6_read(&eeprom, EEPROM_RSV>>1, &tmpu16); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2617 | |
Larry Finger | 1994130 | 2010-01-25 13:11:49 -0600 | [diff] [blame] | 2618 | /* Crystal calibration for Xin and Xout resp. */ |
| 2619 | priv->XtalCal_Xout = tmpu16 & EEPROM_XTAL_CAL_XOUT_MASK; |
| 2620 | priv->XtalCal_Xin = (tmpu16 & EEPROM_XTAL_CAL_XIN_MASK) >> 4; |
| 2621 | if ((tmpu16 & EEPROM_XTAL_CAL_ENABLE) >> 12) |
| 2622 | priv->bXtalCalibration = true; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2623 | |
Larry Finger | 1994130 | 2010-01-25 13:11:49 -0600 | [diff] [blame] | 2624 | /* Thermal meter reference indication. */ |
| 2625 | priv->ThermalMeter = (u8)((tmpu16 & EEPROM_THERMAL_METER_MASK) >> 8); |
| 2626 | if ((tmpu16 & EEPROM_THERMAL_METER_ENABLE) >> 13) |
| 2627 | priv->bTxPowerTrack = true; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2628 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2629 | priv->rf_sleep = rtl8225z4_rf_sleep; |
| 2630 | priv->rf_wakeup = rtl8225z4_rf_wakeup; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2631 | DMESGW("**PLEASE** REPORT SUCCESSFUL/UNSUCCESSFUL TO Realtek!"); |
| 2632 | |
| 2633 | priv->rf_close = rtl8225z2_rf_close; |
| 2634 | priv->rf_init = rtl8225z2_rf_init; |
| 2635 | priv->rf_set_chan = rtl8225z2_rf_set_chan; |
| 2636 | priv->rf_set_sens = NULL; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2637 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2638 | if (0 != alloc_rx_desc_ring(dev, priv->rxbuffersize, priv->rxringcount)) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2639 | return -ENOMEM; |
| 2640 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2641 | if (0 != alloc_tx_desc_ring(dev, priv->txbuffsize, priv->txringcount, |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2642 | TX_MANAGEPRIORITY_RING_ADDR)) |
| 2643 | return -ENOMEM; |
| 2644 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2645 | if (0 != alloc_tx_desc_ring(dev, priv->txbuffsize, priv->txringcount, |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2646 | TX_BKPRIORITY_RING_ADDR)) |
| 2647 | return -ENOMEM; |
| 2648 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2649 | if (0 != alloc_tx_desc_ring(dev, priv->txbuffsize, priv->txringcount, |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2650 | TX_BEPRIORITY_RING_ADDR)) |
| 2651 | return -ENOMEM; |
| 2652 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2653 | if (0 != alloc_tx_desc_ring(dev, priv->txbuffsize, priv->txringcount, |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2654 | TX_VIPRIORITY_RING_ADDR)) |
| 2655 | return -ENOMEM; |
| 2656 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2657 | if (0 != alloc_tx_desc_ring(dev, priv->txbuffsize, priv->txringcount, |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2658 | TX_VOPRIORITY_RING_ADDR)) |
| 2659 | return -ENOMEM; |
| 2660 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2661 | if (0 != alloc_tx_desc_ring(dev, priv->txbuffsize, priv->txringcount, |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2662 | TX_HIGHPRIORITY_RING_ADDR)) |
| 2663 | return -ENOMEM; |
| 2664 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2665 | if (0 != alloc_tx_desc_ring(dev, priv->txbuffsize, priv->txbeaconcount, |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2666 | TX_BEACON_RING_ADDR)) |
| 2667 | return -ENOMEM; |
| 2668 | |
navin patidar | 9fc0944 | 2013-08-23 18:24:02 +0530 | [diff] [blame] | 2669 | if (request_irq(dev->irq, rtl8180_interrupt, IRQF_SHARED, dev->name, dev)) { |
John Church | cb73da2 | 2010-04-08 16:04:17 -0500 | [diff] [blame] | 2670 | DMESGE("Error allocating IRQ %d", dev->irq); |
| 2671 | return -1; |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2672 | } else { |
| 2673 | priv->irq = dev->irq; |
| 2674 | DMESG("IRQ %d", dev->irq); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2675 | } |
| 2676 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2677 | return 0; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2678 | } |
| 2679 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2680 | void rtl8180_no_hw_wep(struct net_device *dev) |
| 2681 | { |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2682 | } |
| 2683 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2684 | void rtl8180_set_hw_wep(struct net_device *dev) |
| 2685 | { |
| 2686 | struct r8180_priv *priv = ieee80211_priv(dev); |
| 2687 | u8 pgreg; |
| 2688 | u8 security; |
| 2689 | u32 key0_word4; |
| 2690 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2691 | pgreg = read_nic_byte(dev, PGSELECT); |
| 2692 | write_nic_byte(dev, PGSELECT, pgreg & ~(1<<PGSELECT_PG_SHIFT)); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2693 | |
| 2694 | key0_word4 = read_nic_dword(dev, KEY0+4+4+4); |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2695 | key0_word4 &= ~0xff; |
| 2696 | key0_word4 |= priv->key0[3] & 0xff; |
| 2697 | write_nic_dword(dev, KEY0, (priv->key0[0])); |
| 2698 | write_nic_dword(dev, KEY0+4, (priv->key0[1])); |
| 2699 | write_nic_dword(dev, KEY0+4+4, (priv->key0[2])); |
| 2700 | write_nic_dword(dev, KEY0+4+4+4, (key0_word4)); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2701 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2702 | security = read_nic_byte(dev, SECURITY); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2703 | security |= (1<<SECURITY_WEP_TX_ENABLE_SHIFT); |
| 2704 | security |= (1<<SECURITY_WEP_RX_ENABLE_SHIFT); |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2705 | security &= ~SECURITY_ENCRYP_MASK; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2706 | security |= (SECURITY_ENCRYP_104<<SECURITY_ENCRYP_SHIFT); |
| 2707 | |
| 2708 | write_nic_byte(dev, SECURITY, security); |
| 2709 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2710 | DMESG("key %x %x %x %x", read_nic_dword(dev, KEY0+4+4+4), |
| 2711 | read_nic_dword(dev, KEY0+4+4), read_nic_dword(dev, KEY0+4), |
| 2712 | read_nic_dword(dev, KEY0)); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2713 | } |
| 2714 | |
| 2715 | |
| 2716 | void rtl8185_rf_pins_enable(struct net_device *dev) |
| 2717 | { |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 2718 | /* u16 tmp; */ |
| 2719 | /* tmp = read_nic_word(dev, RFPinsEnable); */ |
| 2720 | write_nic_word(dev, RFPinsEnable, 0x1fff); /* | tmp); */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2721 | } |
| 2722 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2723 | void rtl8185_set_anaparam2(struct net_device *dev, u32 a) |
| 2724 | { |
| 2725 | u8 conf3; |
| 2726 | |
| 2727 | rtl8180_set_mode(dev, EPROM_CMD_CONFIG); |
| 2728 | |
| 2729 | conf3 = read_nic_byte(dev, CONFIG3); |
| 2730 | write_nic_byte(dev, CONFIG3, conf3 | (1<<CONFIG3_ANAPARAM_W_SHIFT)); |
| 2731 | write_nic_dword(dev, ANAPARAM2, a); |
| 2732 | |
| 2733 | conf3 = read_nic_byte(dev, CONFIG3); |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2734 | write_nic_byte(dev, CONFIG3, conf3 & ~(1<<CONFIG3_ANAPARAM_W_SHIFT)); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2735 | rtl8180_set_mode(dev, EPROM_CMD_NORMAL); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2736 | } |
| 2737 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2738 | void rtl8180_set_anaparam(struct net_device *dev, u32 a) |
| 2739 | { |
| 2740 | u8 conf3; |
| 2741 | |
| 2742 | rtl8180_set_mode(dev, EPROM_CMD_CONFIG); |
| 2743 | |
| 2744 | conf3 = read_nic_byte(dev, CONFIG3); |
| 2745 | write_nic_byte(dev, CONFIG3, conf3 | (1<<CONFIG3_ANAPARAM_W_SHIFT)); |
| 2746 | write_nic_dword(dev, ANAPARAM, a); |
| 2747 | |
| 2748 | conf3 = read_nic_byte(dev, CONFIG3); |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2749 | write_nic_byte(dev, CONFIG3, conf3 & ~(1<<CONFIG3_ANAPARAM_W_SHIFT)); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2750 | rtl8180_set_mode(dev, EPROM_CMD_NORMAL); |
| 2751 | } |
| 2752 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2753 | void rtl8185_tx_antenna(struct net_device *dev, u8 ant) |
| 2754 | { |
| 2755 | write_nic_byte(dev, TX_ANTENNA, ant); |
| 2756 | force_pci_posting(dev); |
| 2757 | mdelay(1); |
| 2758 | } |
| 2759 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2760 | void rtl8185_write_phy(struct net_device *dev, u8 adr, u32 data) |
| 2761 | { |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2762 | u32 phyw; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2763 | |
| 2764 | adr |= 0x80; |
| 2765 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2766 | phyw = ((data<<8) | adr); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2767 | |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 2768 | /* Note that, we must write 0xff7c after 0x7d-0x7f to write BB register. */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2769 | write_nic_byte(dev, 0x7f, ((phyw & 0xff000000) >> 24)); |
| 2770 | write_nic_byte(dev, 0x7e, ((phyw & 0x00ff0000) >> 16)); |
| 2771 | write_nic_byte(dev, 0x7d, ((phyw & 0x0000ff00) >> 8)); |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2772 | write_nic_byte(dev, 0x7c, ((phyw & 0x000000ff))); |
Bartlomiej Zolnierkiewicz | 5521a51 | 2009-06-28 16:19:23 +0200 | [diff] [blame] | 2773 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2774 | /* this is ok to fail when we write AGC table. check for AGC table might be |
| 2775 | * done by masking with 0x7f instead of 0xff |
| 2776 | */ |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 2777 | /* if (phyr != (data&0xff)) DMESGW("Phy write timeout %x %x %x", phyr, data, adr); */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2778 | } |
| 2779 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2780 | inline void write_phy_ofdm(struct net_device *dev, u8 adr, u32 data) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2781 | { |
| 2782 | data = data & 0xff; |
| 2783 | rtl8185_write_phy(dev, adr, data); |
| 2784 | } |
| 2785 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2786 | void write_phy_cck(struct net_device *dev, u8 adr, u32 data) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2787 | { |
| 2788 | data = data & 0xff; |
| 2789 | rtl8185_write_phy(dev, adr, data | 0x10000); |
| 2790 | } |
| 2791 | |
Andrew Miller | cd68680 | 2012-03-14 18:26:57 -0400 | [diff] [blame] | 2792 | /* |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 2793 | * This configures registers for beacon tx and enables it via |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2794 | * rtl8180_beacon_tx_enable(). rtl8180_beacon_tx_disable() might |
| 2795 | * be used to stop beacon transmission |
| 2796 | */ |
| 2797 | void rtl8180_start_tx_beacon(struct net_device *dev) |
| 2798 | { |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2799 | u16 word; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2800 | |
| 2801 | DMESG("Enabling beacon TX"); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2802 | rtl8180_prepare_beacon(dev); |
| 2803 | rtl8180_irq_disable(dev); |
| 2804 | rtl8180_beacon_tx_enable(dev); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2805 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2806 | word = read_nic_word(dev, AtimWnd) & ~AtimWnd_AtimWnd; |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 2807 | write_nic_word(dev, AtimWnd, word); /* word |= */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2808 | |
| 2809 | word = read_nic_word(dev, BintrItv); |
| 2810 | word &= ~BintrItv_BintrItv; |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 2811 | word |= 1000; /* priv->ieee80211->current_network.beacon_interval * |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2812 | ((priv->txbeaconcount > 1)?(priv->txbeaconcount-1):1); |
| 2813 | // FIXME: check if correct ^^ worked with 0x3e8; |
| 2814 | */ |
| 2815 | write_nic_word(dev, BintrItv, word); |
| 2816 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2817 | rtl8180_set_mode(dev, EPROM_CMD_NORMAL); |
| 2818 | |
John Church | cb73da2 | 2010-04-08 16:04:17 -0500 | [diff] [blame] | 2819 | rtl8185b_irq_enable(dev); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2820 | } |
| 2821 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2822 | static struct net_device_stats *rtl8180_stats(struct net_device *dev) |
| 2823 | { |
| 2824 | struct r8180_priv *priv = ieee80211_priv(dev); |
| 2825 | |
| 2826 | return &priv->ieee80211->stats; |
| 2827 | } |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 2828 | |
| 2829 | /* |
| 2830 | * Change current and default preamble mode. |
| 2831 | */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2832 | bool |
| 2833 | MgntActSet_802_11_PowerSaveMode( |
| 2834 | struct r8180_priv *priv, |
| 2835 | RT_PS_MODE rtPsMode |
| 2836 | ) |
| 2837 | { |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 2838 | /* Currently, we do not change power save mode on IBSS mode. */ |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2839 | if (priv->ieee80211->iw_mode == IW_MODE_ADHOC) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2840 | return false; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2841 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2842 | priv->ieee80211->ps = rtPsMode; |
Bartlomiej Zolnierkiewicz | 5521a51 | 2009-06-28 16:19:23 +0200 | [diff] [blame] | 2843 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2844 | return true; |
| 2845 | } |
| 2846 | |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 2847 | void LeisurePSEnter(struct r8180_priv *priv) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2848 | { |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 2849 | if (priv->bLeisurePs) { |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2850 | if (priv->ieee80211->ps == IEEE80211_PS_DISABLED) |
Andrew Miller | dec3a00 | 2012-03-14 18:26:59 -0400 | [diff] [blame] | 2851 | /* IEEE80211_PS_ENABLE */ |
| 2852 | MgntActSet_802_11_PowerSaveMode(priv, IEEE80211_PS_MBCAST|IEEE80211_PS_UNICAST); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2853 | } |
| 2854 | } |
| 2855 | |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 2856 | void LeisurePSLeave(struct r8180_priv *priv) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2857 | { |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 2858 | if (priv->bLeisurePs) { |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2859 | if (priv->ieee80211->ps != IEEE80211_PS_DISABLED) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2860 | MgntActSet_802_11_PowerSaveMode(priv, IEEE80211_PS_DISABLED); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2861 | } |
| 2862 | } |
Bartlomiej Zolnierkiewicz | 0370453 | 2009-06-13 18:30:28 +0200 | [diff] [blame] | 2863 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2864 | void rtl8180_hw_wakeup_wq(struct work_struct *work) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2865 | { |
Jean Delvare | bf6aede | 2009-04-02 16:56:54 -0700 | [diff] [blame] | 2866 | struct delayed_work *dwork = to_delayed_work(work); |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2867 | struct ieee80211_device *ieee = container_of(dwork, struct ieee80211_device, hw_wakeup_wq); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2868 | struct net_device *dev = ieee->dev; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2869 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2870 | rtl8180_hw_wakeup(dev); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2871 | } |
| 2872 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2873 | void rtl8180_hw_sleep_wq(struct work_struct *work) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2874 | { |
Jean Delvare | bf6aede | 2009-04-02 16:56:54 -0700 | [diff] [blame] | 2875 | struct delayed_work *dwork = to_delayed_work(work); |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2876 | struct ieee80211_device *ieee = container_of(dwork, struct ieee80211_device, hw_sleep_wq); |
John Church | cb73da2 | 2010-04-08 16:04:17 -0500 | [diff] [blame] | 2877 | struct net_device *dev = ieee->dev; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2878 | |
John Church | cb73da2 | 2010-04-08 16:04:17 -0500 | [diff] [blame] | 2879 | rtl8180_hw_sleep_down(dev); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2880 | } |
| 2881 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2882 | static void MgntLinkKeepAlive(struct r8180_priv *priv) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2883 | { |
| 2884 | if (priv->keepAliveLevel == 0) |
| 2885 | return; |
| 2886 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2887 | if (priv->ieee80211->state == IEEE80211_LINKED) { |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 2888 | /* |
| 2889 | * Keep-Alive. |
| 2890 | */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2891 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2892 | if ((priv->keepAliveLevel == 2) || |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2893 | (priv->link_detect.LastNumTxUnicast == priv->NumTxUnicast && |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2894 | priv->link_detect.LastNumRxUnicast == priv->ieee80211->NumRxUnicast) |
| 2895 | ) { |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2896 | priv->link_detect.IdleCount++; |
| 2897 | |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 2898 | /* |
| 2899 | * Send a Keep-Alive packet packet to AP if we had been idle for a while. |
| 2900 | */ |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2901 | if (priv->link_detect.IdleCount >= ((KEEP_ALIVE_INTERVAL / CHECK_FOR_HANG_PERIOD)-1)) { |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2902 | priv->link_detect.IdleCount = 0; |
| 2903 | ieee80211_sta_ps_send_null_frame(priv->ieee80211, false); |
| 2904 | } |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2905 | } else { |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2906 | priv->link_detect.IdleCount = 0; |
| 2907 | } |
| 2908 | priv->link_detect.LastNumTxUnicast = priv->NumTxUnicast; |
| 2909 | priv->link_detect.LastNumRxUnicast = priv->ieee80211->NumRxUnicast; |
| 2910 | } |
| 2911 | } |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2912 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2913 | void rtl8180_watch_dog(struct net_device *dev) |
| 2914 | { |
| 2915 | struct r8180_priv *priv = ieee80211_priv(dev); |
| 2916 | bool bEnterPS = false; |
| 2917 | bool bBusyTraffic = false; |
| 2918 | u32 TotalRxNum = 0; |
| 2919 | u16 SlotIndex = 0; |
| 2920 | u16 i = 0; |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2921 | if (priv->ieee80211->actscanning == false) { |
Andrew Miller | dec3a00 | 2012-03-14 18:26:59 -0400 | [diff] [blame] | 2922 | if ((priv->ieee80211->iw_mode != IW_MODE_ADHOC) && |
| 2923 | (priv->ieee80211->state == IEEE80211_NOLINK) && |
| 2924 | (priv->ieee80211->beinretry == false) && |
| 2925 | (priv->eRFPowerState == eRfOn)) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2926 | IPSEnter(dev); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2927 | } |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 2928 | /* YJ,add,080828,for link state check */ |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2929 | if ((priv->ieee80211->state == IEEE80211_LINKED) && (priv->ieee80211->iw_mode == IW_MODE_INFRA)) { |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2930 | SlotIndex = (priv->link_detect.SlotIndex++) % priv->link_detect.SlotNum; |
| 2931 | priv->link_detect.RxFrameNum[SlotIndex] = priv->ieee80211->NumRxDataInPeriod + priv->ieee80211->NumRxBcnInPeriod; |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2932 | for (i = 0; i < priv->link_detect.SlotNum; i++) |
| 2933 | TotalRxNum += priv->link_detect.RxFrameNum[i]; |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 2934 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2935 | if (TotalRxNum == 0) { |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2936 | priv->ieee80211->state = IEEE80211_ASSOCIATING; |
| 2937 | queue_work(priv->ieee80211->wq, &priv->ieee80211->associate_procedure_wq); |
| 2938 | } |
| 2939 | } |
| 2940 | |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 2941 | /* YJ,add,080828,for KeepAlive */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2942 | MgntLinkKeepAlive(priv); |
| 2943 | |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 2944 | /* YJ,add,080828,for LPS */ |
Maxim Mikityanskiy | 53094af | 2012-11-13 19:28:23 +0200 | [diff] [blame] | 2945 | LeisurePSLeave(priv); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2946 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2947 | if (priv->ieee80211->state == IEEE80211_LINKED) { |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2948 | priv->link_detect.NumRxOkInPeriod = priv->ieee80211->NumRxDataInPeriod; |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2949 | if (priv->link_detect.NumRxOkInPeriod > 666 || |
| 2950 | priv->link_detect.NumTxOkInPeriod > 666) { |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2951 | bBusyTraffic = true; |
| 2952 | } |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2953 | if (((priv->link_detect.NumRxOkInPeriod + priv->link_detect.NumTxOkInPeriod) > 8) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2954 | || (priv->link_detect.NumRxOkInPeriod > 2)) { |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2955 | bEnterPS = false; |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 2956 | } else |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2957 | bEnterPS = true; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2958 | |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 2959 | if (bEnterPS) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2960 | LeisurePSEnter(priv); |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 2961 | else |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2962 | LeisurePSLeave(priv); |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 2963 | } else |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2964 | LeisurePSLeave(priv); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2965 | priv->link_detect.bBusyTraffic = bBusyTraffic; |
| 2966 | priv->link_detect.NumRxOkInPeriod = 0; |
| 2967 | priv->link_detect.NumTxOkInPeriod = 0; |
| 2968 | priv->ieee80211->NumRxDataInPeriod = 0; |
| 2969 | priv->ieee80211->NumRxBcnInPeriod = 0; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2970 | } |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 2971 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2972 | int _rtl8180_up(struct net_device *dev) |
| 2973 | { |
| 2974 | struct r8180_priv *priv = ieee80211_priv(dev); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2975 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2976 | priv->up = 1; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2977 | |
| 2978 | DMESG("Bringing up iface"); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2979 | rtl8185b_adapter_start(dev); |
| 2980 | rtl8185b_rx_enable(dev); |
| 2981 | rtl8185b_tx_enable(dev); |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2982 | if (priv->bInactivePs) { |
| 2983 | if (priv->ieee80211->iw_mode == IW_MODE_ADHOC) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2984 | IPSLeave(dev); |
| 2985 | } |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 2986 | timer_rate_adaptive((unsigned long)dev); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2987 | watch_dog_adaptive((unsigned long)dev); |
John Church | cb73da2 | 2010-04-08 16:04:17 -0500 | [diff] [blame] | 2988 | if (priv->bSwAntennaDiverity) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2989 | SwAntennaDiversityTimerCallback(dev); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2990 | ieee80211_softmac_start_protocol(priv->ieee80211); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2991 | return 0; |
| 2992 | } |
| 2993 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 2994 | int rtl8180_open(struct net_device *dev) |
| 2995 | { |
| 2996 | struct r8180_priv *priv = ieee80211_priv(dev); |
| 2997 | int ret; |
| 2998 | |
| 2999 | down(&priv->wx_sem); |
| 3000 | ret = rtl8180_up(dev); |
| 3001 | up(&priv->wx_sem); |
| 3002 | return ret; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3003 | } |
| 3004 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3005 | int rtl8180_up(struct net_device *dev) |
| 3006 | { |
| 3007 | struct r8180_priv *priv = ieee80211_priv(dev); |
| 3008 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3009 | if (priv->up == 1) |
| 3010 | return -1; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3011 | |
| 3012 | return _rtl8180_up(dev); |
| 3013 | } |
| 3014 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3015 | int rtl8180_close(struct net_device *dev) |
| 3016 | { |
| 3017 | struct r8180_priv *priv = ieee80211_priv(dev); |
| 3018 | int ret; |
| 3019 | |
| 3020 | down(&priv->wx_sem); |
| 3021 | ret = rtl8180_down(dev); |
| 3022 | up(&priv->wx_sem); |
| 3023 | |
| 3024 | return ret; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3025 | } |
| 3026 | |
| 3027 | int rtl8180_down(struct net_device *dev) |
| 3028 | { |
| 3029 | struct r8180_priv *priv = ieee80211_priv(dev); |
| 3030 | |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 3031 | if (priv->up == 0) |
| 3032 | return -1; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3033 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3034 | priv->up = 0; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3035 | |
| 3036 | ieee80211_softmac_stop_protocol(priv->ieee80211); |
| 3037 | /* FIXME */ |
| 3038 | if (!netif_queue_stopped(dev)) |
| 3039 | netif_stop_queue(dev); |
| 3040 | rtl8180_rtx_disable(dev); |
| 3041 | rtl8180_irq_disable(dev); |
| 3042 | del_timer_sync(&priv->watch_dog_timer); |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 3043 | del_timer_sync(&priv->rateadapter_timer); |
| 3044 | cancel_delayed_work(&priv->ieee80211->rate_adapter_wq); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3045 | cancel_delayed_work(&priv->ieee80211->hw_wakeup_wq); |
| 3046 | cancel_delayed_work(&priv->ieee80211->hw_sleep_wq); |
| 3047 | cancel_delayed_work(&priv->ieee80211->hw_dig_wq); |
| 3048 | cancel_delayed_work(&priv->ieee80211->tx_pw_wq); |
| 3049 | del_timer_sync(&priv->SwAntennaDiversityTimer); |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3050 | SetZebraRFPowerState8185(dev, eRfOff); |
| 3051 | memset(&(priv->ieee80211->current_network), 0, sizeof(struct ieee80211_network)); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3052 | priv->ieee80211->state = IEEE80211_NOLINK; |
| 3053 | return 0; |
| 3054 | } |
| 3055 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3056 | void rtl8180_restart_wq(struct work_struct *work) |
| 3057 | { |
| 3058 | struct r8180_priv *priv = container_of(work, struct r8180_priv, reset_wq); |
| 3059 | struct net_device *dev = priv->dev; |
Bartlomiej Zolnierkiewicz | 0370453 | 2009-06-13 18:30:28 +0200 | [diff] [blame] | 3060 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3061 | down(&priv->wx_sem); |
| 3062 | |
| 3063 | rtl8180_commit(dev); |
| 3064 | |
| 3065 | up(&priv->wx_sem); |
| 3066 | } |
| 3067 | |
| 3068 | void rtl8180_restart(struct net_device *dev) |
| 3069 | { |
| 3070 | struct r8180_priv *priv = ieee80211_priv(dev); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3071 | |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 3072 | schedule_work(&priv->reset_wq); |
| 3073 | } |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3074 | |
| 3075 | void rtl8180_commit(struct net_device *dev) |
| 3076 | { |
| 3077 | struct r8180_priv *priv = ieee80211_priv(dev); |
| 3078 | |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 3079 | if (priv->up == 0) |
| 3080 | return ; |
| 3081 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3082 | del_timer_sync(&priv->watch_dog_timer); |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 3083 | del_timer_sync(&priv->rateadapter_timer); |
| 3084 | cancel_delayed_work(&priv->ieee80211->rate_adapter_wq); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3085 | cancel_delayed_work(&priv->ieee80211->hw_wakeup_wq); |
| 3086 | cancel_delayed_work(&priv->ieee80211->hw_sleep_wq); |
| 3087 | cancel_delayed_work(&priv->ieee80211->hw_dig_wq); |
| 3088 | cancel_delayed_work(&priv->ieee80211->tx_pw_wq); |
| 3089 | del_timer_sync(&priv->SwAntennaDiversityTimer); |
| 3090 | ieee80211_softmac_stop_protocol(priv->ieee80211); |
| 3091 | rtl8180_irq_disable(dev); |
| 3092 | rtl8180_rtx_disable(dev); |
| 3093 | _rtl8180_up(dev); |
| 3094 | } |
| 3095 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3096 | static void r8180_set_multicast(struct net_device *dev) |
| 3097 | { |
| 3098 | struct r8180_priv *priv = ieee80211_priv(dev); |
| 3099 | short promisc; |
| 3100 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3101 | promisc = (dev->flags & IFF_PROMISC) ? 1 : 0; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3102 | |
| 3103 | if (promisc != priv->promisc) |
| 3104 | rtl8180_restart(dev); |
| 3105 | |
| 3106 | priv->promisc = promisc; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3107 | } |
| 3108 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3109 | int r8180_set_mac_adr(struct net_device *dev, void *mac) |
| 3110 | { |
| 3111 | struct r8180_priv *priv = ieee80211_priv(dev); |
| 3112 | struct sockaddr *addr = mac; |
| 3113 | |
| 3114 | down(&priv->wx_sem); |
| 3115 | |
| 3116 | memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN); |
| 3117 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3118 | if (priv->ieee80211->iw_mode == IW_MODE_MASTER) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3119 | memcpy(priv->ieee80211->current_network.bssid, dev->dev_addr, ETH_ALEN); |
| 3120 | |
| 3121 | if (priv->up) { |
| 3122 | rtl8180_down(dev); |
| 3123 | rtl8180_up(dev); |
| 3124 | } |
| 3125 | |
| 3126 | up(&priv->wx_sem); |
| 3127 | |
| 3128 | return 0; |
| 3129 | } |
| 3130 | |
| 3131 | /* based on ipw2200 driver */ |
| 3132 | int rtl8180_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) |
| 3133 | { |
| 3134 | struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3135 | struct iwreq *wrq = (struct iwreq *) rq; |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3136 | int ret = -1; |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 3137 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3138 | switch (cmd) { |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 3139 | case RTL_IOCTL_WPA_SUPPLICANT: |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3140 | ret = ieee80211_wpa_supplicant_ioctl(priv->ieee80211, &wrq->u.data); |
| 3141 | return ret; |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 3142 | default: |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3143 | return -EOPNOTSUPP; |
| 3144 | } |
| 3145 | |
| 3146 | return -EOPNOTSUPP; |
| 3147 | } |
| 3148 | |
Alexander Beregalov | 727ae30 | 2009-05-10 03:06:54 +0400 | [diff] [blame] | 3149 | static const struct net_device_ops rtl8180_netdev_ops = { |
| 3150 | .ndo_open = rtl8180_open, |
| 3151 | .ndo_stop = rtl8180_close, |
| 3152 | .ndo_get_stats = rtl8180_stats, |
| 3153 | .ndo_tx_timeout = rtl8180_restart, |
| 3154 | .ndo_do_ioctl = rtl8180_ioctl, |
Jiri Pirko | afc4b13 | 2011-08-16 06:29:01 +0000 | [diff] [blame] | 3155 | .ndo_set_rx_mode = r8180_set_multicast, |
Alexander Beregalov | 727ae30 | 2009-05-10 03:06:54 +0400 | [diff] [blame] | 3156 | .ndo_set_mac_address = r8180_set_mac_adr, |
| 3157 | .ndo_validate_addr = eth_validate_addr, |
| 3158 | .ndo_change_mtu = eth_change_mtu, |
George Kadianakis | df574b8 | 2009-12-17 01:16:00 +0200 | [diff] [blame] | 3159 | .ndo_start_xmit = ieee80211_rtl_xmit, |
Alexander Beregalov | 727ae30 | 2009-05-10 03:06:54 +0400 | [diff] [blame] | 3160 | }; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3161 | |
Bill Pemberton | 19fc6b5 | 2012-11-19 13:22:08 -0500 | [diff] [blame] | 3162 | static int rtl8180_pci_probe(struct pci_dev *pdev, |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3163 | const struct pci_device_id *id) |
| 3164 | { |
| 3165 | unsigned long ioaddr = 0; |
| 3166 | struct net_device *dev = NULL; |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3167 | struct r8180_priv *priv = NULL; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3168 | u8 unit = 0; |
Kulikov Vasiliy | beef969 | 2010-08-09 23:51:52 +0400 | [diff] [blame] | 3169 | int ret = -ENODEV; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3170 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3171 | unsigned long pmem_start, pmem_len, pmem_flags; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3172 | |
| 3173 | DMESG("Configuring chip resources"); |
| 3174 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3175 | if (pci_enable_device(pdev)) { |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3176 | DMESG("Failed to enable PCI device"); |
| 3177 | return -EIO; |
| 3178 | } |
| 3179 | |
| 3180 | pci_set_master(pdev); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3181 | pci_set_dma_mask(pdev, 0xffffff00ULL); |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3182 | pci_set_consistent_dma_mask(pdev, 0xffffff00ULL); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3183 | dev = alloc_ieee80211(sizeof(struct r8180_priv)); |
Kulikov Vasiliy | beef969 | 2010-08-09 23:51:52 +0400 | [diff] [blame] | 3184 | if (!dev) { |
| 3185 | ret = -ENOMEM; |
| 3186 | goto fail_free; |
| 3187 | } |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3188 | priv = ieee80211_priv(dev); |
| 3189 | priv->ieee80211 = netdev_priv(dev); |
| 3190 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3191 | pci_set_drvdata(pdev, dev); |
| 3192 | SET_NETDEV_DEV(dev, &pdev->dev); |
| 3193 | |
| 3194 | priv = ieee80211_priv(dev); |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 3195 | priv->pdev = pdev; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3196 | |
| 3197 | pmem_start = pci_resource_start(pdev, 1); |
| 3198 | pmem_len = pci_resource_len(pdev, 1); |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3199 | pmem_flags = pci_resource_flags(pdev, 1); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3200 | |
| 3201 | if (!(pmem_flags & IORESOURCE_MEM)) { |
| 3202 | DMESG("region #1 not a MMIO resource, aborting"); |
| 3203 | goto fail; |
| 3204 | } |
| 3205 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3206 | if (!request_mem_region(pmem_start, pmem_len, RTL8180_MODULE_NAME)) { |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3207 | DMESG("request_mem_region failed!"); |
| 3208 | goto fail; |
| 3209 | } |
| 3210 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3211 | ioaddr = (unsigned long)ioremap_nocache(pmem_start, pmem_len); |
| 3212 | if (ioaddr == (unsigned long)NULL) { |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3213 | DMESG("ioremap failed!"); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3214 | goto fail1; |
| 3215 | } |
| 3216 | |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 3217 | dev->mem_start = ioaddr; /* shared mem start */ |
| 3218 | dev->mem_end = ioaddr + pci_resource_len(pdev, 0); /* shared mem end */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3219 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3220 | pci_read_config_byte(pdev, 0x05, &unit); |
| 3221 | pci_write_config_byte(pdev, 0x05, unit & (~0x04)); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3222 | |
| 3223 | dev->irq = pdev->irq; |
| 3224 | priv->irq = 0; |
| 3225 | |
Alexander Beregalov | 727ae30 | 2009-05-10 03:06:54 +0400 | [diff] [blame] | 3226 | dev->netdev_ops = &rtl8180_netdev_ops; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3227 | dev->wireless_handlers = &r8180_wx_handlers_def; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3228 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3229 | dev->type = ARPHRD_ETHER; |
Larry Finger | 1994130 | 2010-01-25 13:11:49 -0600 | [diff] [blame] | 3230 | dev->watchdog_timeo = HZ*3; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3231 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3232 | if (dev_alloc_name(dev, ifname) < 0) { |
John Church | cb73da2 | 2010-04-08 16:04:17 -0500 | [diff] [blame] | 3233 | DMESG("Oops: devname already taken! Trying wlan%%d...\n"); |
Rusty Russell | dca4130 | 2010-08-11 23:04:21 -0600 | [diff] [blame] | 3234 | strcpy(ifname, "wlan%d"); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3235 | dev_alloc_name(dev, ifname); |
John Church | cb73da2 | 2010-04-08 16:04:17 -0500 | [diff] [blame] | 3236 | } |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3237 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3238 | if (rtl8180_init(dev) != 0) { |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3239 | DMESG("Initialization failed"); |
| 3240 | goto fail1; |
| 3241 | } |
| 3242 | |
| 3243 | netif_carrier_off(dev); |
| 3244 | |
Kumar Amit Mehta | 36e97a5 | 2012-11-14 15:30:57 +0530 | [diff] [blame] | 3245 | if (register_netdev(dev)) |
| 3246 | goto fail1; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3247 | |
| 3248 | rtl8180_proc_init_one(dev); |
| 3249 | |
| 3250 | DMESG("Driver probe completed\n"); |
| 3251 | return 0; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3252 | fail1: |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3253 | if (dev->mem_start != (unsigned long)NULL) { |
| 3254 | iounmap((void *)dev->mem_start); |
| 3255 | release_mem_region(pci_resource_start(pdev, 1), |
| 3256 | pci_resource_len(pdev, 1)); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3257 | } |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3258 | fail: |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3259 | if (dev) { |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3260 | if (priv->irq) { |
| 3261 | free_irq(dev->irq, dev); |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3262 | dev->irq = 0; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3263 | } |
| 3264 | free_ieee80211(dev); |
| 3265 | } |
| 3266 | |
Kulikov Vasiliy | beef969 | 2010-08-09 23:51:52 +0400 | [diff] [blame] | 3267 | fail_free: |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3268 | pci_disable_device(pdev); |
| 3269 | |
| 3270 | DMESG("wlan driver load failed\n"); |
| 3271 | pci_set_drvdata(pdev, NULL); |
Kulikov Vasiliy | beef969 | 2010-08-09 23:51:52 +0400 | [diff] [blame] | 3272 | return ret; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3273 | } |
| 3274 | |
Bill Pemberton | ea7e9f2 | 2012-11-19 13:26:44 -0500 | [diff] [blame] | 3275 | static void rtl8180_pci_remove(struct pci_dev *pdev) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3276 | { |
| 3277 | struct r8180_priv *priv; |
| 3278 | struct net_device *dev = pci_get_drvdata(pdev); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3279 | |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 3280 | if (dev) { |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3281 | unregister_netdev(dev); |
| 3282 | |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 3283 | priv = ieee80211_priv(dev); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3284 | |
| 3285 | rtl8180_proc_remove_one(dev); |
| 3286 | rtl8180_down(dev); |
| 3287 | priv->rf_close(dev); |
| 3288 | rtl8180_reset(dev); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3289 | mdelay(10); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3290 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3291 | if (priv->irq) { |
| 3292 | DMESG("Freeing irq %d", dev->irq); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3293 | free_irq(dev->irq, dev); |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3294 | priv->irq = 0; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3295 | } |
| 3296 | |
| 3297 | free_rx_desc_ring(dev); |
| 3298 | free_tx_desc_rings(dev); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3299 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3300 | if (dev->mem_start != (unsigned long)NULL) { |
| 3301 | iounmap((void *)dev->mem_start); |
| 3302 | release_mem_region(pci_resource_start(pdev, 1), |
| 3303 | pci_resource_len(pdev, 1)); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3304 | } |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3305 | |
| 3306 | free_ieee80211(dev); |
| 3307 | } |
| 3308 | pci_disable_device(pdev); |
| 3309 | |
| 3310 | DMESG("wlan driver removed\n"); |
| 3311 | } |
| 3312 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3313 | /* fun with the built-in ieee80211 stack... */ |
| 3314 | extern int ieee80211_crypto_init(void); |
| 3315 | extern void ieee80211_crypto_deinit(void); |
| 3316 | extern int ieee80211_crypto_tkip_init(void); |
| 3317 | extern void ieee80211_crypto_tkip_exit(void); |
| 3318 | extern int ieee80211_crypto_ccmp_init(void); |
| 3319 | extern void ieee80211_crypto_ccmp_exit(void); |
| 3320 | extern int ieee80211_crypto_wep_init(void); |
| 3321 | extern void ieee80211_crypto_wep_exit(void); |
| 3322 | |
| 3323 | static int __init rtl8180_pci_module_init(void) |
| 3324 | { |
| 3325 | int ret; |
| 3326 | |
| 3327 | ret = ieee80211_crypto_init(); |
| 3328 | if (ret) { |
YAMANE Toshiaki | fe5388c | 2012-11-22 09:07:04 +0900 | [diff] [blame] | 3329 | pr_err("ieee80211_crypto_init() failed %d\n", ret); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3330 | return ret; |
| 3331 | } |
| 3332 | ret = ieee80211_crypto_tkip_init(); |
| 3333 | if (ret) { |
YAMANE Toshiaki | fe5388c | 2012-11-22 09:07:04 +0900 | [diff] [blame] | 3334 | pr_err("ieee80211_crypto_tkip_init() failed %d\n", ret); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3335 | return ret; |
| 3336 | } |
| 3337 | ret = ieee80211_crypto_ccmp_init(); |
| 3338 | if (ret) { |
YAMANE Toshiaki | fe5388c | 2012-11-22 09:07:04 +0900 | [diff] [blame] | 3339 | pr_err("ieee80211_crypto_ccmp_init() failed %d\n", ret); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3340 | return ret; |
| 3341 | } |
| 3342 | ret = ieee80211_crypto_wep_init(); |
| 3343 | if (ret) { |
YAMANE Toshiaki | fe5388c | 2012-11-22 09:07:04 +0900 | [diff] [blame] | 3344 | pr_err("ieee80211_crypto_wep_init() failed %d\n", ret); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3345 | return ret; |
| 3346 | } |
| 3347 | |
YAMANE Toshiaki | fe5388c | 2012-11-22 09:07:04 +0900 | [diff] [blame] | 3348 | pr_info("\nLinux kernel driver for RTL8180 / RTL8185 based WLAN cards\n"); |
| 3349 | pr_info("Copyright (c) 2004-2005, Andrea Merello\n"); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3350 | DMESG("Initializing module"); |
| 3351 | DMESG("Wireless extensions version %d", WIRELESS_EXT); |
| 3352 | rtl8180_proc_module_init(); |
| 3353 | |
Andrew Miller | 24a39f7 | 2012-03-14 18:26:58 -0400 | [diff] [blame] | 3354 | if (pci_register_driver(&rtl8180_pci_driver)) { |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3355 | DMESG("No device found"); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3356 | return -ENODEV; |
| 3357 | } |
| 3358 | return 0; |
| 3359 | } |
| 3360 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3361 | static void __exit rtl8180_pci_module_exit(void) |
| 3362 | { |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3363 | pci_unregister_driver(&rtl8180_pci_driver); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3364 | rtl8180_proc_module_remove(); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3365 | ieee80211_crypto_tkip_exit(); |
| 3366 | ieee80211_crypto_ccmp_exit(); |
| 3367 | ieee80211_crypto_wep_exit(); |
leandro Costantino | 096c55d | 2009-02-17 11:16:26 -0500 | [diff] [blame] | 3368 | ieee80211_crypto_deinit(); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3369 | DMESG("Exiting"); |
| 3370 | } |
| 3371 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3372 | void rtl8180_try_wake_queue(struct net_device *dev, int pri) |
| 3373 | { |
| 3374 | unsigned long flags; |
| 3375 | short enough_desc; |
| 3376 | struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); |
| 3377 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3378 | spin_lock_irqsave(&priv->tx_lock, flags); |
| 3379 | enough_desc = check_nic_enought_desc(dev, pri); |
| 3380 | spin_unlock_irqrestore(&priv->tx_lock, flags); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3381 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3382 | if (enough_desc) |
George Kadianakis | df574b8 | 2009-12-17 01:16:00 +0200 | [diff] [blame] | 3383 | ieee80211_rtl_wake_queue(priv->ieee80211); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3384 | } |
| 3385 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3386 | void rtl8180_tx_isr(struct net_device *dev, int pri, short error) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3387 | { |
| 3388 | struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 3389 | u32 *tail; /* tail virtual addr */ |
| 3390 | u32 *head; /* head virtual addr */ |
| 3391 | u32 *begin; /* start of ring virtual addr */ |
| 3392 | u32 *nicv; /* nic pointer virtual addr */ |
| 3393 | u32 nic; /* nic pointer physical addr */ |
| 3394 | u32 nicbegin; /* start of ring physical addr */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3395 | unsigned long flag; |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 3396 | /* physical addr are ok on 32 bits since we set DMA mask */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3397 | int offs; |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3398 | int j, i; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3399 | int hd; |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3400 | if (error) |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 3401 | priv->stats.txretry++; /* tony 20060601 */ |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3402 | spin_lock_irqsave(&priv->tx_lock, flag); |
| 3403 | switch (pri) { |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3404 | case MANAGE_PRIORITY: |
| 3405 | tail = priv->txmapringtail; |
| 3406 | begin = priv->txmapring; |
| 3407 | head = priv->txmapringhead; |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3408 | nic = read_nic_dword(dev, TX_MANAGEPRIORITY_RING_ADDR); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3409 | nicbegin = priv->txmapringdma; |
| 3410 | break; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3411 | case BK_PRIORITY: |
| 3412 | tail = priv->txbkpringtail; |
| 3413 | begin = priv->txbkpring; |
| 3414 | head = priv->txbkpringhead; |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3415 | nic = read_nic_dword(dev, TX_BKPRIORITY_RING_ADDR); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3416 | nicbegin = priv->txbkpringdma; |
| 3417 | break; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3418 | case BE_PRIORITY: |
| 3419 | tail = priv->txbepringtail; |
| 3420 | begin = priv->txbepring; |
| 3421 | head = priv->txbepringhead; |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3422 | nic = read_nic_dword(dev, TX_BEPRIORITY_RING_ADDR); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3423 | nicbegin = priv->txbepringdma; |
| 3424 | break; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3425 | case VI_PRIORITY: |
| 3426 | tail = priv->txvipringtail; |
| 3427 | begin = priv->txvipring; |
| 3428 | head = priv->txvipringhead; |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3429 | nic = read_nic_dword(dev, TX_VIPRIORITY_RING_ADDR); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3430 | nicbegin = priv->txvipringdma; |
| 3431 | break; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3432 | case VO_PRIORITY: |
| 3433 | tail = priv->txvopringtail; |
| 3434 | begin = priv->txvopring; |
| 3435 | head = priv->txvopringhead; |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3436 | nic = read_nic_dword(dev, TX_VOPRIORITY_RING_ADDR); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3437 | nicbegin = priv->txvopringdma; |
| 3438 | break; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3439 | case HI_PRIORITY: |
| 3440 | tail = priv->txhpringtail; |
| 3441 | begin = priv->txhpring; |
| 3442 | head = priv->txhpringhead; |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3443 | nic = read_nic_dword(dev, TX_HIGHPRIORITY_RING_ADDR); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3444 | nicbegin = priv->txhpringdma; |
| 3445 | break; |
| 3446 | |
| 3447 | default: |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3448 | spin_unlock_irqrestore(&priv->tx_lock, flag); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3449 | return ; |
| 3450 | } |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 3451 | |
YAMANE Toshiaki | ac8bc12 | 2012-11-22 09:06:50 +0900 | [diff] [blame] | 3452 | nicv = (u32 *)((nic - nicbegin) + (u8 *)begin); |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3453 | if ((head <= tail && (nicv > tail || nicv < head)) || |
| 3454 | (head > tail && (nicv > tail && nicv < head))) { |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3455 | DMESGW("nic has lost pointer"); |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3456 | spin_unlock_irqrestore(&priv->tx_lock, flag); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3457 | rtl8180_restart(dev); |
| 3458 | return; |
| 3459 | } |
| 3460 | |
Andrew Miller | cd68680 | 2012-03-14 18:26:57 -0400 | [diff] [blame] | 3461 | /* |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 3462 | * We check all the descriptors between the head and the nic, |
André Goddard Rosa | bbc9a99 | 2009-11-14 13:09:06 -0200 | [diff] [blame] | 3463 | * but not the currently pointed by the nic (the next to be txed) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3464 | * and the previous of the pointed (might be in process ??) |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 3465 | */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3466 | offs = (nic - nicbegin); |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3467 | offs = offs / 8 / 4; |
| 3468 | hd = (head - begin) / 8; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3469 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3470 | if (offs >= hd) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3471 | j = offs - hd; |
| 3472 | else |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3473 | j = offs + (priv->txringcount-1-hd); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3474 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3475 | j -= 2; |
| 3476 | if (j < 0) |
| 3477 | j = 0; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3478 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3479 | for (i = 0; i < j; i++) { |
| 3480 | if ((*head) & (1<<31)) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3481 | break; |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3482 | if (((*head)&(0x10000000)) != 0) { |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3483 | priv->CurrRetryCnt += (u16)((*head) & (0x000000ff)); |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 3484 | if (!error) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3485 | priv->NumTxOkTotal++; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3486 | } |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 3487 | |
| 3488 | if (!error) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3489 | priv->NumTxOkBytesTotal += (*(head+3)) & (0x00000fff); |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 3490 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3491 | *head = *head & ~(1<<31); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3492 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3493 | if ((head - begin)/8 == priv->txringcount-1) |
| 3494 | head = begin; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3495 | else |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3496 | head += 8; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3497 | } |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3498 | |
Andrew Miller | cd68680 | 2012-03-14 18:26:57 -0400 | [diff] [blame] | 3499 | /* |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 3500 | * The head has been moved to the last certainly TXed |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3501 | * (or at least processed by the nic) packet. |
| 3502 | * The driver take forcefully owning of all these packets |
| 3503 | * If the packet previous of the nic pointer has been |
| 3504 | * processed this doesn't matter: it will be checked |
| 3505 | * here at the next round. Anyway if no more packet are |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame] | 3506 | * TXed no memory leak occur at all. |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3507 | */ |
| 3508 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3509 | switch (pri) { |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3510 | case MANAGE_PRIORITY: |
| 3511 | priv->txmapringhead = head; |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 3512 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3513 | if (priv->ack_tx_to_ieee) { |
| 3514 | if (rtl8180_is_tx_queue_empty(dev)) { |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3515 | priv->ack_tx_to_ieee = 0; |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3516 | ieee80211_ps_tx_ack(priv->ieee80211, !error); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3517 | } |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3518 | } |
| 3519 | break; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3520 | case BK_PRIORITY: |
| 3521 | priv->txbkpringhead = head; |
| 3522 | break; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3523 | case BE_PRIORITY: |
| 3524 | priv->txbepringhead = head; |
| 3525 | break; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3526 | case VI_PRIORITY: |
| 3527 | priv->txvipringhead = head; |
| 3528 | break; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3529 | case VO_PRIORITY: |
| 3530 | priv->txvopringhead = head; |
| 3531 | break; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3532 | case HI_PRIORITY: |
| 3533 | priv->txhpringhead = head; |
| 3534 | break; |
| 3535 | } |
| 3536 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3537 | spin_unlock_irqrestore(&priv->tx_lock, flag); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3538 | } |
| 3539 | |
navin patidar | 9fc0944 | 2013-08-23 18:24:02 +0530 | [diff] [blame] | 3540 | irqreturn_t rtl8180_interrupt(int irq, void *netdev) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3541 | { |
| 3542 | struct net_device *dev = (struct net_device *) netdev; |
| 3543 | struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); |
| 3544 | unsigned long flags; |
| 3545 | u32 inta; |
| 3546 | |
| 3547 | /* We should return IRQ_NONE, but for now let me keep this */ |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3548 | if (priv->irq_enabled == 0) |
| 3549 | return IRQ_HANDLED; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3550 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3551 | spin_lock_irqsave(&priv->irq_th_lock, flags); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3552 | |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 3553 | /* ISR: 4bytes */ |
| 3554 | inta = read_nic_dword(dev, ISR); /* & priv->IntrMask; */ |
| 3555 | write_nic_dword(dev, ISR, inta); /* reset int situation */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3556 | |
| 3557 | priv->stats.shints++; |
| 3558 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3559 | if (!inta) { |
| 3560 | spin_unlock_irqrestore(&priv->irq_th_lock, flags); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3561 | return IRQ_HANDLED; |
| 3562 | /* |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 3563 | * most probably we can safely return IRQ_NONE, |
| 3564 | * but for now is better to avoid problems |
| 3565 | */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3566 | } |
| 3567 | |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 3568 | if (inta == 0xffff) { |
Justin P. Mattock | ed2cb4f | 2012-04-17 06:56:43 -0700 | [diff] [blame] | 3569 | /* HW disappeared */ |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 3570 | spin_unlock_irqrestore(&priv->irq_th_lock, flags); |
| 3571 | return IRQ_HANDLED; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3572 | } |
| 3573 | |
| 3574 | priv->stats.ints++; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3575 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3576 | if (!netif_running(dev)) { |
| 3577 | spin_unlock_irqrestore(&priv->irq_th_lock, flags); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3578 | return IRQ_HANDLED; |
| 3579 | } |
| 3580 | |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 3581 | if (inta & ISR_TimeOut) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3582 | write_nic_dword(dev, TimerInt, 0); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3583 | |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 3584 | if (inta & ISR_TBDOK) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3585 | priv->stats.txbeacon++; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3586 | |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 3587 | if (inta & ISR_TBDER) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3588 | priv->stats.txbeaconerr++; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3589 | |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 3590 | if (inta & IMR_TMGDOK) |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3591 | rtl8180_tx_isr(dev, MANAGE_PRIORITY, 0); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3592 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3593 | if (inta & ISR_THPDER) { |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3594 | priv->stats.txhperr++; |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3595 | rtl8180_tx_isr(dev, HI_PRIORITY, 1); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3596 | priv->ieee80211->stats.tx_errors++; |
| 3597 | } |
| 3598 | |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 3599 | if (inta & ISR_THPDOK) { /* High priority tx ok */ |
| 3600 | priv->link_detect.NumTxOkInPeriod++; /* YJ,add,080828 */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3601 | priv->stats.txhpokint++; |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3602 | rtl8180_tx_isr(dev, HI_PRIORITY, 0); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3603 | } |
| 3604 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3605 | if (inta & ISR_RER) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3606 | priv->stats.rxerr++; |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3607 | |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 3608 | if (inta & ISR_TBKDER) { /* corresponding to BK_PRIORITY */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3609 | priv->stats.txbkperr++; |
| 3610 | priv->ieee80211->stats.tx_errors++; |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3611 | rtl8180_tx_isr(dev, BK_PRIORITY, 1); |
Maxim Mikityanskiy | ddedb78 | 2012-11-13 19:28:10 +0200 | [diff] [blame] | 3612 | rtl8180_try_wake_queue(dev, BK_PRIORITY); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3613 | } |
| 3614 | |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 3615 | if (inta & ISR_TBEDER) { /* corresponding to BE_PRIORITY */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3616 | priv->stats.txbeperr++; |
| 3617 | priv->ieee80211->stats.tx_errors++; |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3618 | rtl8180_tx_isr(dev, BE_PRIORITY, 1); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3619 | rtl8180_try_wake_queue(dev, BE_PRIORITY); |
| 3620 | } |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 3621 | if (inta & ISR_TNPDER) { /* corresponding to VO_PRIORITY */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3622 | priv->stats.txnperr++; |
| 3623 | priv->ieee80211->stats.tx_errors++; |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3624 | rtl8180_tx_isr(dev, NORM_PRIORITY, 1); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3625 | rtl8180_try_wake_queue(dev, NORM_PRIORITY); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3626 | } |
| 3627 | |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 3628 | if (inta & ISR_TLPDER) { /* corresponding to VI_PRIORITY */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3629 | priv->stats.txlperr++; |
| 3630 | priv->ieee80211->stats.tx_errors++; |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3631 | rtl8180_tx_isr(dev, LOW_PRIORITY, 1); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3632 | rtl8180_try_wake_queue(dev, LOW_PRIORITY); |
| 3633 | } |
| 3634 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3635 | if (inta & ISR_ROK) { |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3636 | priv->stats.rxint++; |
| 3637 | tasklet_schedule(&priv->irq_rx_tasklet); |
| 3638 | } |
| 3639 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3640 | if (inta & ISR_RQoSOK) { |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3641 | priv->stats.rxint++; |
| 3642 | tasklet_schedule(&priv->irq_rx_tasklet); |
| 3643 | } |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3644 | |
| 3645 | if (inta & ISR_BcnInt) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3646 | rtl8180_prepare_beacon(dev); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3647 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3648 | if (inta & ISR_RDU) { |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3649 | DMESGW("No RX descriptor available"); |
| 3650 | priv->stats.rxrdu++; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3651 | tasklet_schedule(&priv->irq_rx_tasklet); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3652 | } |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 3653 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3654 | if (inta & ISR_RXFOVW) { |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3655 | priv->stats.rxoverflow++; |
| 3656 | tasklet_schedule(&priv->irq_rx_tasklet); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3657 | } |
| 3658 | |
Bartlomiej Zolnierkiewicz | fd88278 | 2009-06-28 16:20:38 +0200 | [diff] [blame] | 3659 | if (inta & ISR_TXFOVW) |
| 3660 | priv->stats.txoverflow++; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3661 | |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 3662 | if (inta & ISR_TNPDOK) { /* Normal priority tx ok */ |
| 3663 | priv->link_detect.NumTxOkInPeriod++; /* YJ,add,080828 */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3664 | priv->stats.txnpokint++; |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3665 | rtl8180_tx_isr(dev, NORM_PRIORITY, 0); |
Maxim Mikityanskiy | ddedb78 | 2012-11-13 19:28:10 +0200 | [diff] [blame] | 3666 | rtl8180_try_wake_queue(dev, NORM_PRIORITY); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3667 | } |
| 3668 | |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 3669 | if (inta & ISR_TLPDOK) { /* Low priority tx ok */ |
| 3670 | priv->link_detect.NumTxOkInPeriod++; /* YJ,add,080828 */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3671 | priv->stats.txlpokint++; |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3672 | rtl8180_tx_isr(dev, LOW_PRIORITY, 0); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3673 | rtl8180_try_wake_queue(dev, LOW_PRIORITY); |
| 3674 | } |
| 3675 | |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 3676 | if (inta & ISR_TBKDOK) { /* corresponding to BK_PRIORITY */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3677 | priv->stats.txbkpokint++; |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 3678 | priv->link_detect.NumTxOkInPeriod++; /* YJ,add,080828 */ |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3679 | rtl8180_tx_isr(dev, BK_PRIORITY, 0); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3680 | rtl8180_try_wake_queue(dev, BE_PRIORITY); |
| 3681 | } |
| 3682 | |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 3683 | if (inta & ISR_TBEDOK) { /* corresponding to BE_PRIORITY */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3684 | priv->stats.txbeperr++; |
Prashant P. Shah | 3f56c10 | 2010-05-13 23:09:08 +0530 | [diff] [blame] | 3685 | priv->link_detect.NumTxOkInPeriod++; /* YJ,add,080828 */ |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3686 | rtl8180_tx_isr(dev, BE_PRIORITY, 0); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3687 | rtl8180_try_wake_queue(dev, BE_PRIORITY); |
| 3688 | } |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3689 | force_pci_posting(dev); |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3690 | spin_unlock_irqrestore(&priv->irq_th_lock, flags); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3691 | |
| 3692 | return IRQ_HANDLED; |
| 3693 | } |
| 3694 | |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3695 | void rtl8180_irq_rx_tasklet(struct r8180_priv *priv) |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3696 | { |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3697 | rtl8180_rx(priv->dev); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3698 | } |
| 3699 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3700 | void GPIOChangeRFWorkItemCallBack(struct work_struct *work) |
| 3701 | { |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3702 | struct ieee80211_device *ieee = container_of(work, struct ieee80211_device, GPIOChangeRFWorkItem.work); |
| 3703 | struct net_device *dev = ieee->dev; |
| 3704 | struct r8180_priv *priv = ieee80211_priv(dev); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3705 | u8 btPSR; |
| 3706 | u8 btConfig0; |
| 3707 | RT_RF_POWER_STATE eRfPowerStateToSet; |
John Church | cb73da2 | 2010-04-08 16:04:17 -0500 | [diff] [blame] | 3708 | bool bActuallySet = false; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3709 | |
| 3710 | char *argv[3]; |
John Church | cb73da2 | 2010-04-08 16:04:17 -0500 | [diff] [blame] | 3711 | static char *RadioPowerPath = "/etc/acpi/events/RadioPower.sh"; |
Prashant P. Shah | bbfb565 | 2010-05-13 23:08:43 +0530 | [diff] [blame] | 3712 | static char *envp[] = {"HOME=/", "TERM=linux", "PATH=/usr/bin:/bin", NULL}; |
YAMANE Toshiaki | 49bd136 | 2012-11-22 09:05:53 +0900 | [diff] [blame] | 3713 | static int readf_count; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3714 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3715 | readf_count = (readf_count+1)%0xffff; |
Larry Finger | 1994130 | 2010-01-25 13:11:49 -0600 | [diff] [blame] | 3716 | /* We should turn off LED before polling FF51[4]. */ |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3717 | |
Larry Finger | 1994130 | 2010-01-25 13:11:49 -0600 | [diff] [blame] | 3718 | /* Turn off LED. */ |
| 3719 | btPSR = read_nic_byte(dev, PSR); |
| 3720 | write_nic_byte(dev, PSR, (btPSR & ~BIT3)); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3721 | |
Larry Finger | 1994130 | 2010-01-25 13:11:49 -0600 | [diff] [blame] | 3722 | /* It need to delay 4us suggested by Jong, 2008-01-16 */ |
| 3723 | udelay(4); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3724 | |
Larry Finger | 1994130 | 2010-01-25 13:11:49 -0600 | [diff] [blame] | 3725 | /* HW radio On/Off according to the value of FF51[4](config0) */ |
| 3726 | btConfig0 = btPSR = read_nic_byte(dev, CONFIG0); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3727 | |
Larry Finger | 1994130 | 2010-01-25 13:11:49 -0600 | [diff] [blame] | 3728 | eRfPowerStateToSet = (btConfig0 & BIT4) ? eRfOn : eRfOff; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3729 | |
Larry Finger | 6de92dd | 2010-02-11 14:41:24 -0600 | [diff] [blame] | 3730 | /* Turn LED back on when radio enabled */ |
| 3731 | if (eRfPowerStateToSet == eRfOn) |
| 3732 | write_nic_byte(dev, PSR, btPSR | BIT3); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3733 | |
Larry Finger | 1994130 | 2010-01-25 13:11:49 -0600 | [diff] [blame] | 3734 | if ((priv->ieee80211->bHwRadioOff == true) && |
| 3735 | (eRfPowerStateToSet == eRfOn)) { |
| 3736 | priv->ieee80211->bHwRadioOff = false; |
| 3737 | bActuallySet = true; |
| 3738 | } else if ((priv->ieee80211->bHwRadioOff == false) && |
| 3739 | (eRfPowerStateToSet == eRfOff)) { |
| 3740 | priv->ieee80211->bHwRadioOff = true; |
| 3741 | bActuallySet = true; |
| 3742 | } |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3743 | |
Larry Finger | 1994130 | 2010-01-25 13:11:49 -0600 | [diff] [blame] | 3744 | if (bActuallySet) { |
| 3745 | MgntActSet_RF_State(dev, eRfPowerStateToSet, RF_CHANGE_BY_HW); |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3746 | |
Larry Finger | 1994130 | 2010-01-25 13:11:49 -0600 | [diff] [blame] | 3747 | /* To update the UI status for Power status changed */ |
| 3748 | if (priv->ieee80211->bHwRadioOff == true) |
| 3749 | argv[1] = "RFOFF"; |
| 3750 | else |
| 3751 | argv[1] = "RFON"; |
| 3752 | argv[0] = RadioPowerPath; |
| 3753 | argv[2] = NULL; |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3754 | |
Oleg Nesterov | 70834d3 | 2012-03-23 15:02:46 -0700 | [diff] [blame] | 3755 | call_usermodehelper(RadioPowerPath, argv, envp, UMH_WAIT_PROC); |
Larry Finger | 1994130 | 2010-01-25 13:11:49 -0600 | [diff] [blame] | 3756 | } |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3757 | } |
| 3758 | |
Greg Kroah-Hartman | c8d86be | 2008-12-04 20:01:41 -0800 | [diff] [blame] | 3759 | module_init(rtl8180_pci_module_init); |
| 3760 | module_exit(rtl8180_pci_module_exit); |