Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 1 | /****************************************************************************** |
| 2 | * rtl8712_cmd.c |
| 3 | * |
| 4 | * Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved. |
| 5 | * Linux device driver for RTL8192SU |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify it |
| 8 | * under the terms of version 2 of the GNU General Public License as |
| 9 | * published by the Free Software Foundation. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, but WITHOUT |
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| 14 | * more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License along with |
| 17 | * this program; if not, write to the Free Software Foundation, Inc., |
| 18 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA |
| 19 | * |
| 20 | * Modifications for inclusion into the Linux staging tree are |
| 21 | * Copyright(c) 2010 Larry Finger. All rights reserved. |
| 22 | * |
| 23 | * Contact information: |
| 24 | * WLAN FAE <wlanfae@realtek.com>. |
| 25 | * Larry Finger <Larry.Finger@lwfinger.net> |
| 26 | * |
| 27 | ******************************************************************************/ |
| 28 | |
| 29 | #define _RTL8712_CMD_C_ |
| 30 | |
Ali Bahar | 359140a | 2011-09-04 03:14:11 +0800 | [diff] [blame] | 31 | #include <linux/compiler.h> |
| 32 | #include <linux/kernel.h> |
| 33 | #include <linux/errno.h> |
Ali Bahar | 359140a | 2011-09-04 03:14:11 +0800 | [diff] [blame] | 34 | #include <linux/slab.h> |
| 35 | #include <linux/module.h> |
| 36 | #include <linux/kref.h> |
| 37 | #include <linux/netdevice.h> |
| 38 | #include <linux/skbuff.h> |
| 39 | #include <linux/usb.h> |
| 40 | #include <linux/usb/ch9.h> |
| 41 | #include <linux/circ_buf.h> |
| 42 | #include <linux/uaccess.h> |
| 43 | #include <asm/byteorder.h> |
| 44 | #include <linux/atomic.h> |
| 45 | #include <linux/semaphore.h> |
| 46 | #include <linux/rtnetlink.h> |
| 47 | |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 48 | #include "osdep_service.h" |
| 49 | #include "drv_types.h" |
| 50 | #include "recv_osdep.h" |
| 51 | #include "mlme_osdep.h" |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 52 | #include "rtl871x_ioctl_set.h" |
| 53 | |
| 54 | static void check_hw_pbc(struct _adapter *padapter) |
| 55 | { |
| 56 | u8 tmp1byte; |
| 57 | |
| 58 | r8712_write8(padapter, MAC_PINMUX_CTRL, (GPIOMUX_EN | GPIOSEL_GPIO)); |
| 59 | tmp1byte = r8712_read8(padapter, GPIO_IO_SEL); |
| 60 | tmp1byte &= ~(HAL_8192S_HW_GPIO_WPS_BIT); |
| 61 | r8712_write8(padapter, GPIO_IO_SEL, tmp1byte); |
| 62 | tmp1byte = r8712_read8(padapter, GPIO_CTRL); |
| 63 | if (tmp1byte == 0xff) |
Thomas Cort | 77e73e8 | 2013-10-01 11:26:55 -0400 | [diff] [blame] | 64 | return; |
Luis de Bethencourt | 4ef2de5 | 2015-10-19 18:16:01 +0100 | [diff] [blame] | 65 | if (tmp1byte & HAL_8192S_HW_GPIO_WPS_BIT) { |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 66 | /* Here we only set bPbcPressed to true |
Punit Vara | ed9c838 | 2015-10-08 01:25:20 +0530 | [diff] [blame] | 67 | * After trigger PBC, the variable will be set to false |
| 68 | */ |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 69 | DBG_8712("CheckPbcGPIO - PBC is pressed !!!!\n"); |
| 70 | /* 0 is the default value and it means the application monitors |
Punit Vara | ed9c838 | 2015-10-08 01:25:20 +0530 | [diff] [blame] | 71 | * the HW PBC doesn't provide its pid to driver. |
| 72 | */ |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 73 | if (padapter->pid == 0) |
| 74 | return; |
| 75 | kill_pid(find_vpid(padapter->pid), SIGUSR1, 1); |
| 76 | } |
| 77 | } |
| 78 | |
| 79 | /* query rx phy status from fw. |
| 80 | * Adhoc mode: beacon. |
Punit Vara | ed9c838 | 2015-10-08 01:25:20 +0530 | [diff] [blame] | 81 | * Infrastructure mode: beacon , data. |
| 82 | */ |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 83 | static void query_fw_rx_phy_status(struct _adapter *padapter) |
| 84 | { |
| 85 | u32 val32 = 0; |
| 86 | int pollingcnts = 50; |
| 87 | |
Luis de Bethencourt | 1ca9688 | 2015-10-19 18:14:29 +0100 | [diff] [blame] | 88 | if (check_fwstate(&padapter->mlmepriv, _FW_LINKED)) { |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 89 | r8712_write32(padapter, IOCMD_CTRL_REG, 0xf4000001); |
| 90 | msleep(100); |
| 91 | /* Wait FW complete IO Cmd */ |
| 92 | while ((r8712_read32(padapter, IOCMD_CTRL_REG)) && |
| 93 | (pollingcnts > 0)) { |
| 94 | pollingcnts--; |
| 95 | msleep(20); |
| 96 | } |
| 97 | if (pollingcnts != 0) |
| 98 | val32 = r8712_read32(padapter, IOCMD_DATA_REG); |
| 99 | else /* time out */ |
| 100 | val32 = 0; |
Aya Mahfouz | ae52e52 | 2015-02-26 11:38:12 +0200 | [diff] [blame] | 101 | val32 >>= 4; |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 102 | padapter->recvpriv.fw_rssi = |
| 103 | (u8)r8712_signal_scale_mapping(val32); |
| 104 | } |
| 105 | } |
| 106 | |
| 107 | /* check mlme, hw, phy, or dynamic algorithm status. */ |
| 108 | static void StatusWatchdogCallback(struct _adapter *padapter) |
| 109 | { |
| 110 | check_hw_pbc(padapter); |
| 111 | query_fw_rx_phy_status(padapter); |
| 112 | } |
| 113 | |
| 114 | static void r871x_internal_cmd_hdl(struct _adapter *padapter, u8 *pbuf) |
| 115 | { |
| 116 | struct drvint_cmd_parm *pdrvcmd; |
| 117 | |
| 118 | if (!pbuf) |
| 119 | return; |
| 120 | pdrvcmd = (struct drvint_cmd_parm *)pbuf; |
| 121 | switch (pdrvcmd->i_cid) { |
| 122 | case WDG_WK_CID: |
| 123 | StatusWatchdogCallback(padapter); |
| 124 | break; |
| 125 | default: |
| 126 | break; |
| 127 | } |
| 128 | kfree(pdrvcmd->pbuf); |
| 129 | } |
| 130 | |
| 131 | static u8 read_macreg_hdl(struct _adapter *padapter, u8 *pbuf) |
| 132 | { |
| 133 | void (*pcmd_callback)(struct _adapter *dev, struct cmd_obj *pcmd); |
| 134 | struct cmd_obj *pcmd = (struct cmd_obj *)pbuf; |
| 135 | |
| 136 | /* invoke cmd->callback function */ |
| 137 | pcmd_callback = cmd_callback[pcmd->cmdcode].callback; |
Juliana Rodrigues | 7fcf92c | 2016-03-13 15:30:57 -0300 | [diff] [blame] | 138 | if (!pcmd_callback) |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 139 | r8712_free_cmd_obj(pcmd); |
| 140 | else |
| 141 | pcmd_callback(padapter, pcmd); |
| 142 | return H2C_SUCCESS; |
| 143 | } |
| 144 | |
| 145 | static u8 write_macreg_hdl(struct _adapter *padapter, u8 *pbuf) |
| 146 | { |
| 147 | void (*pcmd_callback)(struct _adapter *dev, struct cmd_obj *pcmd); |
| 148 | struct cmd_obj *pcmd = (struct cmd_obj *)pbuf; |
| 149 | |
| 150 | /* invoke cmd->callback function */ |
| 151 | pcmd_callback = cmd_callback[pcmd->cmdcode].callback; |
Juliana Rodrigues | 7fcf92c | 2016-03-13 15:30:57 -0300 | [diff] [blame] | 152 | if (!pcmd_callback) |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 153 | r8712_free_cmd_obj(pcmd); |
| 154 | else |
| 155 | pcmd_callback(padapter, pcmd); |
| 156 | return H2C_SUCCESS; |
| 157 | } |
| 158 | |
| 159 | static u8 read_bbreg_hdl(struct _adapter *padapter, u8 *pbuf) |
| 160 | { |
| 161 | u32 val; |
| 162 | void (*pcmd_callback)(struct _adapter *dev, struct cmd_obj *pcmd); |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 163 | struct cmd_obj *pcmd = (struct cmd_obj *)pbuf; |
| 164 | |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 165 | if (pcmd->rsp && pcmd->rspsz > 0) |
| 166 | memcpy(pcmd->rsp, (u8 *)&val, pcmd->rspsz); |
| 167 | pcmd_callback = cmd_callback[pcmd->cmdcode].callback; |
Juliana Rodrigues | 7fcf92c | 2016-03-13 15:30:57 -0300 | [diff] [blame] | 168 | if (!pcmd_callback) |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 169 | r8712_free_cmd_obj(pcmd); |
| 170 | else |
| 171 | pcmd_callback(padapter, pcmd); |
| 172 | return H2C_SUCCESS; |
| 173 | } |
| 174 | |
| 175 | static u8 write_bbreg_hdl(struct _adapter *padapter, u8 *pbuf) |
| 176 | { |
| 177 | void (*pcmd_callback)(struct _adapter *dev, struct cmd_obj *pcmd); |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 178 | struct cmd_obj *pcmd = (struct cmd_obj *)pbuf; |
| 179 | |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 180 | pcmd_callback = cmd_callback[pcmd->cmdcode].callback; |
Juliana Rodrigues | 7fcf92c | 2016-03-13 15:30:57 -0300 | [diff] [blame] | 181 | if (!pcmd_callback) |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 182 | r8712_free_cmd_obj(pcmd); |
| 183 | else |
| 184 | pcmd_callback(padapter, pcmd); |
| 185 | return H2C_SUCCESS; |
| 186 | } |
| 187 | |
| 188 | static u8 read_rfreg_hdl(struct _adapter *padapter, u8 *pbuf) |
| 189 | { |
| 190 | u32 val; |
| 191 | void (*pcmd_callback)(struct _adapter *dev, struct cmd_obj *pcmd); |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 192 | struct cmd_obj *pcmd = (struct cmd_obj *)pbuf; |
| 193 | |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 194 | if (pcmd->rsp && pcmd->rspsz > 0) |
| 195 | memcpy(pcmd->rsp, (u8 *)&val, pcmd->rspsz); |
| 196 | pcmd_callback = cmd_callback[pcmd->cmdcode].callback; |
Juliana Rodrigues | 7fcf92c | 2016-03-13 15:30:57 -0300 | [diff] [blame] | 197 | if (!pcmd_callback) |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 198 | r8712_free_cmd_obj(pcmd); |
| 199 | else |
| 200 | pcmd_callback(padapter, pcmd); |
| 201 | return H2C_SUCCESS; |
| 202 | } |
| 203 | |
| 204 | static u8 write_rfreg_hdl(struct _adapter *padapter, u8 *pbuf) |
| 205 | { |
| 206 | void (*pcmd_callback)(struct _adapter *dev, struct cmd_obj *pcmd); |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 207 | struct cmd_obj *pcmd = (struct cmd_obj *)pbuf; |
| 208 | |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 209 | pcmd_callback = cmd_callback[pcmd->cmdcode].callback; |
Juliana Rodrigues | 7fcf92c | 2016-03-13 15:30:57 -0300 | [diff] [blame] | 210 | if (!pcmd_callback) |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 211 | r8712_free_cmd_obj(pcmd); |
| 212 | else |
| 213 | pcmd_callback(padapter, pcmd); |
| 214 | return H2C_SUCCESS; |
| 215 | } |
| 216 | |
| 217 | static u8 sys_suspend_hdl(struct _adapter *padapter, u8 *pbuf) |
| 218 | { |
| 219 | struct cmd_obj *pcmd = (struct cmd_obj *)pbuf; |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 220 | |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 221 | r8712_free_cmd_obj(pcmd); |
| 222 | return H2C_SUCCESS; |
| 223 | } |
| 224 | |
| 225 | static struct cmd_obj *cmd_hdl_filter(struct _adapter *padapter, |
| 226 | struct cmd_obj *pcmd) |
| 227 | { |
| 228 | struct cmd_obj *pcmd_r; |
| 229 | |
Juliana Rodrigues | 7fcf92c | 2016-03-13 15:30:57 -0300 | [diff] [blame] | 230 | if (!pcmd) |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 231 | return pcmd; |
| 232 | pcmd_r = NULL; |
| 233 | |
| 234 | switch (pcmd->cmdcode) { |
| 235 | case GEN_CMD_CODE(_Read_MACREG): |
| 236 | read_macreg_hdl(padapter, (u8 *)pcmd); |
| 237 | pcmd_r = pcmd; |
| 238 | break; |
| 239 | case GEN_CMD_CODE(_Write_MACREG): |
| 240 | write_macreg_hdl(padapter, (u8 *)pcmd); |
| 241 | pcmd_r = pcmd; |
| 242 | break; |
| 243 | case GEN_CMD_CODE(_Read_BBREG): |
| 244 | read_bbreg_hdl(padapter, (u8 *)pcmd); |
| 245 | break; |
| 246 | case GEN_CMD_CODE(_Write_BBREG): |
| 247 | write_bbreg_hdl(padapter, (u8 *)pcmd); |
| 248 | break; |
| 249 | case GEN_CMD_CODE(_Read_RFREG): |
| 250 | read_rfreg_hdl(padapter, (u8 *)pcmd); |
| 251 | break; |
| 252 | case GEN_CMD_CODE(_Write_RFREG): |
| 253 | write_rfreg_hdl(padapter, (u8 *)pcmd); |
| 254 | break; |
| 255 | case GEN_CMD_CODE(_SetUsbSuspend): |
| 256 | sys_suspend_hdl(padapter, (u8 *)pcmd); |
| 257 | break; |
| 258 | case GEN_CMD_CODE(_JoinBss): |
| 259 | r8712_joinbss_reset(padapter); |
| 260 | /* Before set JoinBss_CMD to FW, driver must ensure FW is in |
| 261 | * PS_MODE_ACTIVE. Directly write rpwm to radio on and assign |
| 262 | * new pwr_mode to Driver, instead of use workitem to change |
Punit Vara | ed9c838 | 2015-10-08 01:25:20 +0530 | [diff] [blame] | 263 | * state. |
| 264 | */ |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 265 | if (padapter->pwrctrlpriv.pwr_mode > PS_MODE_ACTIVE) { |
| 266 | padapter->pwrctrlpriv.pwr_mode = PS_MODE_ACTIVE; |
| 267 | _enter_pwrlock(&(padapter->pwrctrlpriv.lock)); |
| 268 | r8712_set_rpwm(padapter, PS_STATE_S4); |
| 269 | up(&(padapter->pwrctrlpriv.lock)); |
| 270 | } |
| 271 | pcmd_r = pcmd; |
| 272 | break; |
| 273 | case _DRV_INT_CMD_: |
| 274 | r871x_internal_cmd_hdl(padapter, pcmd->parmbuf); |
| 275 | r8712_free_cmd_obj(pcmd); |
| 276 | pcmd_r = NULL; |
| 277 | break; |
| 278 | default: |
| 279 | pcmd_r = pcmd; |
| 280 | break; |
| 281 | } |
| 282 | return pcmd_r; /* if returning pcmd_r == NULL, pcmd must be free. */ |
| 283 | } |
| 284 | |
| 285 | static u8 check_cmd_fifo(struct _adapter *padapter, uint sz) |
| 286 | { |
Peter Senna Tschudin | 8ffca9e | 2014-05-20 12:33:41 +0200 | [diff] [blame] | 287 | return _SUCCESS; |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 288 | } |
| 289 | |
| 290 | u8 r8712_fw_cmd(struct _adapter *pAdapter, u32 cmd) |
| 291 | { |
| 292 | int pollingcnts = 50; |
| 293 | |
| 294 | r8712_write32(pAdapter, IOCMD_CTRL_REG, cmd); |
| 295 | msleep(100); |
Rakhi Sharma | 97e2ba9 | 2016-01-29 12:37:06 +0530 | [diff] [blame] | 296 | while ((r8712_read32(pAdapter, IOCMD_CTRL_REG != 0)) && |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 297 | (pollingcnts > 0)) { |
| 298 | pollingcnts--; |
| 299 | msleep(20); |
| 300 | } |
| 301 | if (pollingcnts == 0) |
| 302 | return false; |
| 303 | return true; |
| 304 | } |
| 305 | |
| 306 | void r8712_fw_cmd_data(struct _adapter *pAdapter, u32 *value, u8 flag) |
| 307 | { |
| 308 | if (flag == 0) /* set */ |
| 309 | r8712_write32(pAdapter, IOCMD_DATA_REG, *value); |
| 310 | else /* query */ |
| 311 | *value = r8712_read32(pAdapter, IOCMD_DATA_REG); |
| 312 | } |
| 313 | |
| 314 | int r8712_cmd_thread(void *context) |
| 315 | { |
| 316 | struct cmd_obj *pcmd; |
Sudip Mukherjee | e29d3eb | 2014-10-27 17:42:25 +0530 | [diff] [blame] | 317 | unsigned int cmdsz, wr_sz, *pcmdbuf; |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 318 | struct tx_desc *pdesc; |
| 319 | void (*pcmd_callback)(struct _adapter *dev, struct cmd_obj *pcmd); |
Bhaktipriya Shridhar | 56238e4 | 2016-02-21 12:51:32 +0530 | [diff] [blame] | 320 | struct _adapter *padapter = context; |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 321 | struct cmd_priv *pcmdpriv = &(padapter->cmdpriv); |
| 322 | |
James A Shackleford | fee5124 | 2014-07-09 15:26:23 -0400 | [diff] [blame] | 323 | allow_signal(SIGTERM); |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 324 | while (1) { |
| 325 | if ((_down_sema(&(pcmdpriv->cmd_queue_sema))) == _FAIL) |
| 326 | break; |
Luis de Bethencourt | 1ca9688 | 2015-10-19 18:14:29 +0100 | [diff] [blame] | 327 | if (padapter->bDriverStopped || padapter->bSurpriseRemoved) |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 328 | break; |
| 329 | if (r8712_register_cmd_alive(padapter) != _SUCCESS) |
| 330 | continue; |
| 331 | _next: |
| 332 | pcmd = r8712_dequeue_cmd(&(pcmdpriv->cmd_queue)); |
| 333 | if (!(pcmd)) { |
| 334 | r8712_unregister_cmd_alive(padapter); |
| 335 | continue; |
| 336 | } |
| 337 | pcmdbuf = (unsigned int *)pcmdpriv->cmd_buf; |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 338 | pdesc = (struct tx_desc *)pcmdbuf; |
| 339 | memset(pdesc, 0, TXDESC_SIZE); |
| 340 | pcmd = cmd_hdl_filter(padapter, pcmd); |
| 341 | if (pcmd) { /* if pcmd != NULL, cmd will be handled by f/w */ |
Shivani Bhardwaj | adc08cc | 2015-10-14 17:38:23 +0530 | [diff] [blame] | 342 | struct dvobj_priv *pdvobj = &padapter->dvobjpriv; |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 343 | u8 blnPending = 0; |
Tapasweni Pathak | 02a29d2 | 2014-09-24 16:34:56 +0530 | [diff] [blame] | 344 | |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 345 | pcmdpriv->cmd_issued_cnt++; |
James A Shackleford | d913e54 | 2014-06-22 20:27:55 -0400 | [diff] [blame] | 346 | cmdsz = round_up(pcmd->cmdsz, 8); |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 347 | wr_sz = TXDESC_SIZE + 8 + cmdsz; |
Luis de Bethencourt | 4ef2de5 | 2015-10-19 18:16:01 +0100 | [diff] [blame] | 348 | pdesc->txdw0 |= cpu_to_le32((wr_sz - TXDESC_SIZE) & |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 349 | 0x0000ffff); |
| 350 | if (pdvobj->ishighspeed) { |
| 351 | if ((wr_sz % 512) == 0) |
| 352 | blnPending = 1; |
| 353 | } else { |
| 354 | if ((wr_sz % 64) == 0) |
| 355 | blnPending = 1; |
| 356 | } |
| 357 | if (blnPending) /* 32 bytes for TX Desc - 8 offset */ |
| 358 | pdesc->txdw0 |= cpu_to_le32(((TXDESC_SIZE + |
| 359 | OFFSET_SZ + 8) << OFFSET_SHT) & |
| 360 | 0x00ff0000); |
| 361 | else { |
| 362 | pdesc->txdw0 |= cpu_to_le32(((TXDESC_SIZE + |
| 363 | OFFSET_SZ) << |
| 364 | OFFSET_SHT) & |
| 365 | 0x00ff0000); |
| 366 | } |
| 367 | pdesc->txdw0 |= cpu_to_le32(OWN | FSG | LSG); |
| 368 | pdesc->txdw1 |= cpu_to_le32((0x13 << QSEL_SHT) & |
| 369 | 0x00001f00); |
| 370 | pcmdbuf += (TXDESC_SIZE >> 2); |
| 371 | *pcmdbuf = cpu_to_le32((cmdsz & 0x0000ffff) | |
| 372 | (pcmd->cmdcode << 16) | |
| 373 | (pcmdpriv->cmd_seq << 24)); |
Thomas Cort | 77e73e8 | 2013-10-01 11:26:55 -0400 | [diff] [blame] | 374 | pcmdbuf += 2; /* 8 bytes alignment */ |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 375 | memcpy((u8 *)pcmdbuf, pcmd->parmbuf, pcmd->cmdsz); |
| 376 | while (check_cmd_fifo(padapter, wr_sz) == _FAIL) { |
Luis de Bethencourt | 1ca9688 | 2015-10-19 18:14:29 +0100 | [diff] [blame] | 377 | if (padapter->bDriverStopped || |
| 378 | padapter->bSurpriseRemoved) |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 379 | break; |
| 380 | msleep(100); |
| 381 | continue; |
| 382 | } |
| 383 | if (blnPending) |
| 384 | wr_sz += 8; /* Append 8 bytes */ |
| 385 | r8712_write_mem(padapter, RTL8712_DMA_H2CCMD, wr_sz, |
| 386 | (u8 *)pdesc); |
| 387 | pcmdpriv->cmd_seq++; |
| 388 | if (pcmd->cmdcode == GEN_CMD_CODE(_CreateBss)) { |
| 389 | pcmd->res = H2C_SUCCESS; |
| 390 | pcmd_callback = cmd_callback[pcmd-> |
| 391 | cmdcode].callback; |
| 392 | if (pcmd_callback) |
| 393 | pcmd_callback(padapter, pcmd); |
| 394 | continue; |
| 395 | } |
| 396 | if (pcmd->cmdcode == GEN_CMD_CODE(_SetPwrMode)) { |
| 397 | if (padapter->pwrctrlpriv.bSleep) { |
| 398 | _enter_pwrlock(&(padapter-> |
| 399 | pwrctrlpriv.lock)); |
| 400 | r8712_set_rpwm(padapter, PS_STATE_S2); |
| 401 | up(&padapter->pwrctrlpriv.lock); |
| 402 | } |
| 403 | } |
| 404 | r8712_free_cmd_obj(pcmd); |
James A Shackleford | df353f6 | 2014-06-24 22:52:40 -0400 | [diff] [blame] | 405 | if (list_empty(&pcmdpriv->cmd_queue.queue)) { |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 406 | r8712_unregister_cmd_alive(padapter); |
| 407 | continue; |
Luis de Bethencourt | 168a2c1 | 2015-10-19 18:15:29 +0100 | [diff] [blame] | 408 | } else { |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 409 | goto _next; |
Luis de Bethencourt | 168a2c1 | 2015-10-19 18:15:29 +0100 | [diff] [blame] | 410 | } |
| 411 | } else { |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 412 | goto _next; |
Luis de Bethencourt | 168a2c1 | 2015-10-19 18:15:29 +0100 | [diff] [blame] | 413 | } |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 414 | flush_signals_thread(); |
| 415 | } |
| 416 | /* free all cmd_obj resources */ |
| 417 | do { |
| 418 | pcmd = r8712_dequeue_cmd(&(pcmdpriv->cmd_queue)); |
Juliana Rodrigues | 7fcf92c | 2016-03-13 15:30:57 -0300 | [diff] [blame] | 419 | if (!pcmd) |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 420 | break; |
| 421 | r8712_free_cmd_obj(pcmd); |
| 422 | } while (1); |
| 423 | up(&pcmdpriv->terminate_cmdthread_sema); |
| 424 | thread_exit(); |
| 425 | } |
| 426 | |
| 427 | void r8712_event_handle(struct _adapter *padapter, uint *peventbuf) |
| 428 | { |
| 429 | u8 evt_code, evt_seq; |
| 430 | u16 evt_sz; |
| 431 | void (*event_callback)(struct _adapter *dev, u8 *pbuf); |
| 432 | struct evt_priv *pevt_priv = &(padapter->evtpriv); |
| 433 | |
Juliana Rodrigues | 7fcf92c | 2016-03-13 15:30:57 -0300 | [diff] [blame] | 434 | if (!peventbuf) |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 435 | goto _abort_event_; |
| 436 | evt_sz = (u16)(le32_to_cpu(*peventbuf) & 0xffff); |
| 437 | evt_seq = (u8)((le32_to_cpu(*peventbuf) >> 24) & 0x7f); |
| 438 | evt_code = (u8)((le32_to_cpu(*peventbuf) >> 16) & 0xff); |
| 439 | /* checking event sequence... */ |
| 440 | if ((evt_seq & 0x7f) != pevt_priv->event_seq) { |
| 441 | pevt_priv->event_seq = ((evt_seq + 1) & 0x7f); |
| 442 | goto _abort_event_; |
| 443 | } |
| 444 | /* checking if event code is valid */ |
| 445 | if (evt_code >= MAX_C2HEVT) { |
Luis de Bethencourt | 4ef2de5 | 2015-10-19 18:16:01 +0100 | [diff] [blame] | 446 | pevt_priv->event_seq = ((evt_seq + 1) & 0x7f); |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 447 | goto _abort_event_; |
| 448 | } else if ((evt_code == GEN_EVT_CODE(_Survey)) && |
| 449 | (evt_sz > sizeof(struct wlan_bssid_ex))) { |
Luis de Bethencourt | 4ef2de5 | 2015-10-19 18:16:01 +0100 | [diff] [blame] | 450 | pevt_priv->event_seq = ((evt_seq + 1) & 0x7f); |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 451 | goto _abort_event_; |
| 452 | } |
| 453 | /* checking if event size match the event parm size */ |
| 454 | if ((wlanevents[evt_code].parmsize) && |
| 455 | (wlanevents[evt_code].parmsize != evt_sz)) { |
Luis de Bethencourt | 4ef2de5 | 2015-10-19 18:16:01 +0100 | [diff] [blame] | 456 | pevt_priv->event_seq = ((evt_seq + 1) & 0x7f); |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 457 | goto _abort_event_; |
| 458 | } else if ((evt_sz == 0) && (evt_code != GEN_EVT_CODE(_WPS_PBC))) { |
Luis de Bethencourt | 4ef2de5 | 2015-10-19 18:16:01 +0100 | [diff] [blame] | 459 | pevt_priv->event_seq = ((evt_seq + 1) & 0x7f); |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 460 | goto _abort_event_; |
| 461 | } |
| 462 | pevt_priv->event_seq++; /* update evt_seq */ |
| 463 | if (pevt_priv->event_seq > 127) |
| 464 | pevt_priv->event_seq = 0; |
Tapasweni Pathak | 57b6686 | 2014-09-21 06:42:21 +0530 | [diff] [blame] | 465 | /* move to event content, 8 bytes alignment */ |
| 466 | peventbuf = peventbuf + 2; |
Dan Carpenter | a376932 | 2013-09-28 12:58:33 +0300 | [diff] [blame] | 467 | event_callback = wlanevents[evt_code].event_callback; |
| 468 | if (event_callback) |
| 469 | event_callback(padapter, (u8 *)peventbuf); |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 470 | pevt_priv->evt_done_cnt++; |
| 471 | _abort_event_: |
| 472 | return; |
| 473 | } |