1e24c1f86SMichael Straube // SPDX-License-Identifier: GPL-2.0
22865d42cSLarry Finger /******************************************************************************
32865d42cSLarry Finger * rtl8712_cmd.c
42865d42cSLarry Finger *
52865d42cSLarry Finger * Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
62865d42cSLarry Finger * Linux device driver for RTL8192SU
72865d42cSLarry Finger *
82865d42cSLarry Finger * Modifications for inclusion into the Linux staging tree are
92865d42cSLarry Finger * Copyright(c) 2010 Larry Finger. All rights reserved.
102865d42cSLarry Finger *
112865d42cSLarry Finger * Contact information:
122865d42cSLarry Finger * WLAN FAE <wlanfae@realtek.com>.
132865d42cSLarry Finger * Larry Finger <Larry.Finger@lwfinger.net>
142865d42cSLarry Finger *
152865d42cSLarry Finger ******************************************************************************/
162865d42cSLarry Finger
172865d42cSLarry Finger #define _RTL8712_CMD_C_
182865d42cSLarry Finger
19359140aaSAli Bahar #include <linux/compiler.h>
20359140aaSAli Bahar #include <linux/kernel.h>
21359140aaSAli Bahar #include <linux/errno.h>
22359140aaSAli Bahar #include <linux/slab.h>
233f07c014SIngo Molnar #include <linux/sched/signal.h>
24359140aaSAli Bahar #include <linux/module.h>
25359140aaSAli Bahar #include <linux/kref.h>
26359140aaSAli Bahar #include <linux/netdevice.h>
27359140aaSAli Bahar #include <linux/skbuff.h>
28359140aaSAli Bahar #include <linux/usb.h>
29359140aaSAli Bahar #include <linux/usb/ch9.h>
30359140aaSAli Bahar #include <linux/circ_buf.h>
31359140aaSAli Bahar #include <linux/uaccess.h>
32359140aaSAli Bahar #include <asm/byteorder.h>
33359140aaSAli Bahar #include <linux/atomic.h>
34359140aaSAli Bahar #include <linux/semaphore.h>
35359140aaSAli Bahar #include <linux/rtnetlink.h>
36359140aaSAli Bahar
372865d42cSLarry Finger #include "osdep_service.h"
382865d42cSLarry Finger #include "drv_types.h"
392865d42cSLarry Finger #include "recv_osdep.h"
402865d42cSLarry Finger #include "mlme_osdep.h"
412865d42cSLarry Finger #include "rtl871x_ioctl_set.h"
422865d42cSLarry Finger
check_hw_pbc(struct _adapter * padapter)432865d42cSLarry Finger static void check_hw_pbc(struct _adapter *padapter)
442865d42cSLarry Finger {
452865d42cSLarry Finger u8 tmp1byte;
462865d42cSLarry Finger
472865d42cSLarry Finger r8712_write8(padapter, MAC_PINMUX_CTRL, (GPIOMUX_EN | GPIOSEL_GPIO));
482865d42cSLarry Finger tmp1byte = r8712_read8(padapter, GPIO_IO_SEL);
492865d42cSLarry Finger tmp1byte &= ~(HAL_8192S_HW_GPIO_WPS_BIT);
502865d42cSLarry Finger r8712_write8(padapter, GPIO_IO_SEL, tmp1byte);
512865d42cSLarry Finger tmp1byte = r8712_read8(padapter, GPIO_CTRL);
522865d42cSLarry Finger if (tmp1byte == 0xff)
532865d42cSLarry Finger return;
542865d42cSLarry Finger if (tmp1byte & HAL_8192S_HW_GPIO_WPS_BIT) {
552865d42cSLarry Finger /* Here we only set bPbcPressed to true
56ed9c838aSPunit Vara * After trigger PBC, the variable will be set to false
57ed9c838aSPunit Vara */
58eff810f8SFabio M. De Francesco netdev_dbg(padapter->pnetdev, "CheckPbcGPIO - PBC is pressed !!!!\n");
592865d42cSLarry Finger /* 0 is the default value and it means the application monitors
60ed9c838aSPunit Vara * the HW PBC doesn't provide its pid to driver.
61ed9c838aSPunit Vara */
622865d42cSLarry Finger if (padapter->pid == 0)
632865d42cSLarry Finger return;
642865d42cSLarry Finger kill_pid(find_vpid(padapter->pid), SIGUSR1, 1);
652865d42cSLarry Finger }
662865d42cSLarry Finger }
672865d42cSLarry Finger
682865d42cSLarry Finger /* query rx phy status from fw.
692865d42cSLarry Finger * Adhoc mode: beacon.
70ed9c838aSPunit Vara * Infrastructure mode: beacon , data.
71ed9c838aSPunit Vara */
query_fw_rx_phy_status(struct _adapter * padapter)722865d42cSLarry Finger static void query_fw_rx_phy_status(struct _adapter *padapter)
732865d42cSLarry Finger {
742865d42cSLarry Finger u32 val32 = 0;
752865d42cSLarry Finger int pollingcnts = 50;
762865d42cSLarry Finger
771ca96884SLuis de Bethencourt if (check_fwstate(&padapter->mlmepriv, _FW_LINKED)) {
782865d42cSLarry Finger r8712_write32(padapter, IOCMD_CTRL_REG, 0xf4000001);
792865d42cSLarry Finger msleep(100);
802865d42cSLarry Finger /* Wait FW complete IO Cmd */
812865d42cSLarry Finger while ((r8712_read32(padapter, IOCMD_CTRL_REG)) &&
822865d42cSLarry Finger (pollingcnts > 0)) {
832865d42cSLarry Finger pollingcnts--;
842865d42cSLarry Finger msleep(20);
852865d42cSLarry Finger }
862865d42cSLarry Finger if (pollingcnts != 0)
872865d42cSLarry Finger val32 = r8712_read32(padapter, IOCMD_DATA_REG);
882865d42cSLarry Finger else /* time out */
892865d42cSLarry Finger val32 = 0;
90ae52e527SAya Mahfouz val32 >>= 4;
912865d42cSLarry Finger padapter->recvpriv.fw_rssi =
922865d42cSLarry Finger (u8)r8712_signal_scale_mapping(val32);
932865d42cSLarry Finger }
942865d42cSLarry Finger }
952865d42cSLarry Finger
962865d42cSLarry Finger /* check mlme, hw, phy, or dynamic algorithm status. */
StatusWatchdogCallback(struct _adapter * padapter)972865d42cSLarry Finger static void StatusWatchdogCallback(struct _adapter *padapter)
982865d42cSLarry Finger {
992865d42cSLarry Finger check_hw_pbc(padapter);
1002865d42cSLarry Finger query_fw_rx_phy_status(padapter);
1012865d42cSLarry Finger }
1022865d42cSLarry Finger
r871x_internal_cmd_hdl(struct _adapter * padapter,u8 * pbuf)1032865d42cSLarry Finger static void r871x_internal_cmd_hdl(struct _adapter *padapter, u8 *pbuf)
1042865d42cSLarry Finger {
1052865d42cSLarry Finger struct drvint_cmd_parm *pdrvcmd;
1062865d42cSLarry Finger
1072865d42cSLarry Finger if (!pbuf)
1082865d42cSLarry Finger return;
1092865d42cSLarry Finger pdrvcmd = (struct drvint_cmd_parm *)pbuf;
1102865d42cSLarry Finger switch (pdrvcmd->i_cid) {
1112865d42cSLarry Finger case WDG_WK_CID:
1122865d42cSLarry Finger StatusWatchdogCallback(padapter);
1132865d42cSLarry Finger break;
1142865d42cSLarry Finger default:
1152865d42cSLarry Finger break;
1162865d42cSLarry Finger }
1172865d42cSLarry Finger kfree(pdrvcmd->pbuf);
1182865d42cSLarry Finger }
1192865d42cSLarry Finger
read_bbreg_hdl(struct _adapter * padapter,u8 * pbuf)1202865d42cSLarry Finger static u8 read_bbreg_hdl(struct _adapter *padapter, u8 *pbuf)
1212865d42cSLarry Finger {
1222865d42cSLarry Finger struct cmd_obj *pcmd = (struct cmd_obj *)pbuf;
1232865d42cSLarry Finger
1242865d42cSLarry Finger r8712_free_cmd_obj(pcmd);
1252865d42cSLarry Finger return H2C_SUCCESS;
1262865d42cSLarry Finger }
1272865d42cSLarry Finger
write_bbreg_hdl(struct _adapter * padapter,u8 * pbuf)1282865d42cSLarry Finger static u8 write_bbreg_hdl(struct _adapter *padapter, u8 *pbuf)
1292865d42cSLarry Finger {
1302865d42cSLarry Finger void (*pcmd_callback)(struct _adapter *dev, struct cmd_obj *pcmd);
1312865d42cSLarry Finger struct cmd_obj *pcmd = (struct cmd_obj *)pbuf;
1322865d42cSLarry Finger
1332865d42cSLarry Finger pcmd_callback = cmd_callback[pcmd->cmdcode].callback;
1347fcf92c0SJuliana Rodrigues if (!pcmd_callback)
1352865d42cSLarry Finger r8712_free_cmd_obj(pcmd);
1362865d42cSLarry Finger else
1372865d42cSLarry Finger pcmd_callback(padapter, pcmd);
1382865d42cSLarry Finger return H2C_SUCCESS;
1392865d42cSLarry Finger }
1402865d42cSLarry Finger
read_rfreg_hdl(struct _adapter * padapter,u8 * pbuf)1412865d42cSLarry Finger static u8 read_rfreg_hdl(struct _adapter *padapter, u8 *pbuf)
1422865d42cSLarry Finger {
1432865d42cSLarry Finger u32 val;
1442865d42cSLarry Finger void (*pcmd_callback)(struct _adapter *dev, struct cmd_obj *pcmd);
1452865d42cSLarry Finger struct cmd_obj *pcmd = (struct cmd_obj *)pbuf;
1462865d42cSLarry Finger
1472865d42cSLarry Finger if (pcmd->rsp && pcmd->rspsz > 0)
1482865d42cSLarry Finger memcpy(pcmd->rsp, (u8 *)&val, pcmd->rspsz);
1492865d42cSLarry Finger pcmd_callback = cmd_callback[pcmd->cmdcode].callback;
1507fcf92c0SJuliana Rodrigues if (!pcmd_callback)
1512865d42cSLarry Finger r8712_free_cmd_obj(pcmd);
1522865d42cSLarry Finger else
1532865d42cSLarry Finger pcmd_callback(padapter, pcmd);
1542865d42cSLarry Finger return H2C_SUCCESS;
1552865d42cSLarry Finger }
1562865d42cSLarry Finger
write_rfreg_hdl(struct _adapter * padapter,u8 * pbuf)1572865d42cSLarry Finger static u8 write_rfreg_hdl(struct _adapter *padapter, u8 *pbuf)
1582865d42cSLarry Finger {
1592865d42cSLarry Finger void (*pcmd_callback)(struct _adapter *dev, struct cmd_obj *pcmd);
1602865d42cSLarry Finger struct cmd_obj *pcmd = (struct cmd_obj *)pbuf;
1612865d42cSLarry Finger
1622865d42cSLarry Finger pcmd_callback = cmd_callback[pcmd->cmdcode].callback;
1637fcf92c0SJuliana Rodrigues if (!pcmd_callback)
1642865d42cSLarry Finger r8712_free_cmd_obj(pcmd);
1652865d42cSLarry Finger else
1662865d42cSLarry Finger pcmd_callback(padapter, pcmd);
1672865d42cSLarry Finger return H2C_SUCCESS;
1682865d42cSLarry Finger }
1692865d42cSLarry Finger
sys_suspend_hdl(struct _adapter * padapter,u8 * pbuf)1702865d42cSLarry Finger static u8 sys_suspend_hdl(struct _adapter *padapter, u8 *pbuf)
1712865d42cSLarry Finger {
1722865d42cSLarry Finger struct cmd_obj *pcmd = (struct cmd_obj *)pbuf;
1732865d42cSLarry Finger
1742865d42cSLarry Finger r8712_free_cmd_obj(pcmd);
1752865d42cSLarry Finger return H2C_SUCCESS;
1762865d42cSLarry Finger }
1772865d42cSLarry Finger
cmd_hdl_filter(struct _adapter * padapter,struct cmd_obj * pcmd)1782865d42cSLarry Finger static struct cmd_obj *cmd_hdl_filter(struct _adapter *padapter,
1792865d42cSLarry Finger struct cmd_obj *pcmd)
1802865d42cSLarry Finger {
1812865d42cSLarry Finger struct cmd_obj *pcmd_r;
1822865d42cSLarry Finger
1837fcf92c0SJuliana Rodrigues if (!pcmd)
1842865d42cSLarry Finger return pcmd;
1852865d42cSLarry Finger pcmd_r = NULL;
1862865d42cSLarry Finger
1872865d42cSLarry Finger switch (pcmd->cmdcode) {
1882865d42cSLarry Finger case GEN_CMD_CODE(_Read_BBREG):
1892865d42cSLarry Finger read_bbreg_hdl(padapter, (u8 *)pcmd);
1902865d42cSLarry Finger break;
1912865d42cSLarry Finger case GEN_CMD_CODE(_Write_BBREG):
1922865d42cSLarry Finger write_bbreg_hdl(padapter, (u8 *)pcmd);
1932865d42cSLarry Finger break;
1942865d42cSLarry Finger case GEN_CMD_CODE(_Read_RFREG):
1952865d42cSLarry Finger read_rfreg_hdl(padapter, (u8 *)pcmd);
1962865d42cSLarry Finger break;
1972865d42cSLarry Finger case GEN_CMD_CODE(_Write_RFREG):
1982865d42cSLarry Finger write_rfreg_hdl(padapter, (u8 *)pcmd);
1992865d42cSLarry Finger break;
2002865d42cSLarry Finger case GEN_CMD_CODE(_SetUsbSuspend):
2012865d42cSLarry Finger sys_suspend_hdl(padapter, (u8 *)pcmd);
2022865d42cSLarry Finger break;
2032865d42cSLarry Finger case GEN_CMD_CODE(_JoinBss):
2042865d42cSLarry Finger r8712_joinbss_reset(padapter);
2052865d42cSLarry Finger /* Before set JoinBss_CMD to FW, driver must ensure FW is in
2062865d42cSLarry Finger * PS_MODE_ACTIVE. Directly write rpwm to radio on and assign
2072865d42cSLarry Finger * new pwr_mode to Driver, instead of use workitem to change
208ed9c838aSPunit Vara * state.
209ed9c838aSPunit Vara */
2102865d42cSLarry Finger if (padapter->pwrctrlpriv.pwr_mode > PS_MODE_ACTIVE) {
2112865d42cSLarry Finger padapter->pwrctrlpriv.pwr_mode = PS_MODE_ACTIVE;
2125c2ba8b8SBinoy Jayan mutex_lock(&padapter->pwrctrlpriv.mutex_lock);
2132865d42cSLarry Finger r8712_set_rpwm(padapter, PS_STATE_S4);
2145c2ba8b8SBinoy Jayan mutex_unlock(&padapter->pwrctrlpriv.mutex_lock);
2152865d42cSLarry Finger }
2162865d42cSLarry Finger pcmd_r = pcmd;
2172865d42cSLarry Finger break;
2182865d42cSLarry Finger case _DRV_INT_CMD_:
2192865d42cSLarry Finger r871x_internal_cmd_hdl(padapter, pcmd->parmbuf);
2202865d42cSLarry Finger r8712_free_cmd_obj(pcmd);
2212865d42cSLarry Finger pcmd_r = NULL;
2222865d42cSLarry Finger break;
2232865d42cSLarry Finger default:
2242865d42cSLarry Finger pcmd_r = pcmd;
2252865d42cSLarry Finger break;
2262865d42cSLarry Finger }
2272865d42cSLarry Finger return pcmd_r; /* if returning pcmd_r == NULL, pcmd must be free. */
2282865d42cSLarry Finger }
2292865d42cSLarry Finger
r8712_fw_cmd(struct _adapter * pAdapter,u32 cmd)2302865d42cSLarry Finger u8 r8712_fw_cmd(struct _adapter *pAdapter, u32 cmd)
2312865d42cSLarry Finger {
2322865d42cSLarry Finger int pollingcnts = 50;
2332865d42cSLarry Finger
2342865d42cSLarry Finger r8712_write32(pAdapter, IOCMD_CTRL_REG, cmd);
2352865d42cSLarry Finger msleep(100);
23697e2ba90SRakhi Sharma while ((r8712_read32(pAdapter, IOCMD_CTRL_REG != 0)) &&
2372865d42cSLarry Finger (pollingcnts > 0)) {
2382865d42cSLarry Finger pollingcnts--;
2392865d42cSLarry Finger msleep(20);
2402865d42cSLarry Finger }
2412865d42cSLarry Finger if (pollingcnts == 0)
2422865d42cSLarry Finger return false;
2432865d42cSLarry Finger return true;
2442865d42cSLarry Finger }
2452865d42cSLarry Finger
r8712_fw_cmd_data(struct _adapter * pAdapter,u32 * value,u8 flag)2462865d42cSLarry Finger void r8712_fw_cmd_data(struct _adapter *pAdapter, u32 *value, u8 flag)
2472865d42cSLarry Finger {
2482865d42cSLarry Finger if (flag == 0) /* set */
2492865d42cSLarry Finger r8712_write32(pAdapter, IOCMD_DATA_REG, *value);
2502865d42cSLarry Finger else /* query */
2512865d42cSLarry Finger *value = r8712_read32(pAdapter, IOCMD_DATA_REG);
2522865d42cSLarry Finger }
2532865d42cSLarry Finger
r8712_cmd_thread(void * context)2542865d42cSLarry Finger int r8712_cmd_thread(void *context)
2552865d42cSLarry Finger {
2562865d42cSLarry Finger struct cmd_obj *pcmd;
257e8cd841bSJannik Becher unsigned int cmdsz, wr_sz;
258e8cd841bSJannik Becher __le32 *pcmdbuf;
2592865d42cSLarry Finger struct tx_desc *pdesc;
2602865d42cSLarry Finger void (*pcmd_callback)(struct _adapter *dev, struct cmd_obj *pcmd);
26156238e45SBhaktipriya Shridhar struct _adapter *padapter = context;
262500320b7SArushi Singhal struct cmd_priv *pcmdpriv = &padapter->cmdpriv;
2633be4fdf6SMartin Homuth struct completion *cmd_queue_comp =
2643be4fdf6SMartin Homuth &pcmdpriv->cmd_queue_comp;
2653be4fdf6SMartin Homuth struct mutex *pwctrl_lock = &padapter->pwrctrlpriv.mutex_lock;
2662865d42cSLarry Finger
267fee51243SJames A Shackleford allow_signal(SIGTERM);
2682865d42cSLarry Finger while (1) {
2693be4fdf6SMartin Homuth if (wait_for_completion_interruptible(cmd_queue_comp))
2702865d42cSLarry Finger break;
2715b8d98f1SHimadri Pandya if (padapter->driver_stopped || padapter->surprise_removed)
2722865d42cSLarry Finger break;
2737c93fdf0SNishka Dasgupta if (r8712_register_cmd_alive(padapter))
2742865d42cSLarry Finger continue;
2752865d42cSLarry Finger _next:
276500320b7SArushi Singhal pcmd = r8712_dequeue_cmd(&pcmdpriv->cmd_queue);
2772865d42cSLarry Finger if (!(pcmd)) {
2782865d42cSLarry Finger r8712_unregister_cmd_alive(padapter);
2792865d42cSLarry Finger continue;
2802865d42cSLarry Finger }
281e8cd841bSJannik Becher pcmdbuf = (__le32 *)pcmdpriv->cmd_buf;
2822865d42cSLarry Finger pdesc = (struct tx_desc *)pcmdbuf;
2832865d42cSLarry Finger memset(pdesc, 0, TXDESC_SIZE);
2842865d42cSLarry Finger pcmd = cmd_hdl_filter(padapter, pcmd);
2852865d42cSLarry Finger if (pcmd) { /* if pcmd != NULL, cmd will be handled by f/w */
286adc08cc4SShivani Bhardwaj struct dvobj_priv *pdvobj = &padapter->dvobjpriv;
2872865d42cSLarry Finger u8 blnPending = 0;
2883be4fdf6SMartin Homuth u16 cmdcode = pcmd->cmdcode;
28902a29d2dSTapasweni Pathak
2902865d42cSLarry Finger pcmdpriv->cmd_issued_cnt++;
291d913e54eSJames A Shackleford cmdsz = round_up(pcmd->cmdsz, 8);
2922865d42cSLarry Finger wr_sz = TXDESC_SIZE + 8 + cmdsz;
2932865d42cSLarry Finger pdesc->txdw0 |= cpu_to_le32((wr_sz - TXDESC_SIZE) &
2942865d42cSLarry Finger 0x0000ffff);
2952865d42cSLarry Finger if (pdvobj->ishighspeed) {
2962865d42cSLarry Finger if ((wr_sz % 512) == 0)
2972865d42cSLarry Finger blnPending = 1;
2982865d42cSLarry Finger } else {
2992865d42cSLarry Finger if ((wr_sz % 64) == 0)
3002865d42cSLarry Finger blnPending = 1;
3012865d42cSLarry Finger }
302a7e58591SLiam Ryan if (blnPending) { /* 32 bytes for TX Desc - 8 offset */
3032865d42cSLarry Finger pdesc->txdw0 |= cpu_to_le32(((TXDESC_SIZE +
3042865d42cSLarry Finger OFFSET_SZ + 8) << OFFSET_SHT) &
3052865d42cSLarry Finger 0x00ff0000);
306a7e58591SLiam Ryan } else {
3072865d42cSLarry Finger pdesc->txdw0 |= cpu_to_le32(((TXDESC_SIZE +
3082865d42cSLarry Finger OFFSET_SZ) <<
3092865d42cSLarry Finger OFFSET_SHT) &
3102865d42cSLarry Finger 0x00ff0000);
3112865d42cSLarry Finger }
3122865d42cSLarry Finger pdesc->txdw0 |= cpu_to_le32(OWN | FSG | LSG);
3132865d42cSLarry Finger pdesc->txdw1 |= cpu_to_le32((0x13 << QSEL_SHT) &
3142865d42cSLarry Finger 0x00001f00);
3152865d42cSLarry Finger pcmdbuf += (TXDESC_SIZE >> 2);
3162865d42cSLarry Finger *pcmdbuf = cpu_to_le32((cmdsz & 0x0000ffff) |
3172865d42cSLarry Finger (pcmd->cmdcode << 16) |
3182865d42cSLarry Finger (pcmdpriv->cmd_seq << 24));
319be10ac2bSJustin P. Mattock pcmdbuf += 2; /* 8 bytes alignment */
3202865d42cSLarry Finger memcpy((u8 *)pcmdbuf, pcmd->parmbuf, pcmd->cmdsz);
3212865d42cSLarry Finger if (blnPending)
3222865d42cSLarry Finger wr_sz += 8; /* Append 8 bytes */
3232865d42cSLarry Finger r8712_write_mem(padapter, RTL8712_DMA_H2CCMD, wr_sz,
3242865d42cSLarry Finger (u8 *)pdesc);
3252865d42cSLarry Finger pcmdpriv->cmd_seq++;
3263be4fdf6SMartin Homuth if (cmdcode == GEN_CMD_CODE(_CreateBss)) {
3272865d42cSLarry Finger pcmd->res = H2C_SUCCESS;
3283be4fdf6SMartin Homuth pcmd_callback = cmd_callback[cmdcode].callback;
3292865d42cSLarry Finger if (pcmd_callback)
3302865d42cSLarry Finger pcmd_callback(padapter, pcmd);
3312865d42cSLarry Finger continue;
3322865d42cSLarry Finger }
3333be4fdf6SMartin Homuth if (cmdcode == GEN_CMD_CODE(_SetPwrMode)) {
3342865d42cSLarry Finger if (padapter->pwrctrlpriv.bSleep) {
3353be4fdf6SMartin Homuth mutex_lock(pwctrl_lock);
3362865d42cSLarry Finger r8712_set_rpwm(padapter, PS_STATE_S2);
3373be4fdf6SMartin Homuth mutex_unlock(pwctrl_lock);
3382865d42cSLarry Finger }
3392865d42cSLarry Finger }
3402865d42cSLarry Finger r8712_free_cmd_obj(pcmd);
341df353f61SJames A Shackleford if (list_empty(&pcmdpriv->cmd_queue.queue)) {
3422865d42cSLarry Finger r8712_unregister_cmd_alive(padapter);
3432865d42cSLarry Finger continue;
344168a2c10SLuis de Bethencourt } else {
3452865d42cSLarry Finger goto _next;
346168a2c10SLuis de Bethencourt }
347168a2c10SLuis de Bethencourt } else {
3482865d42cSLarry Finger goto _next;
349168a2c10SLuis de Bethencourt }
3502865d42cSLarry Finger flush_signals_thread();
3512865d42cSLarry Finger }
3522865d42cSLarry Finger /* free all cmd_obj resources */
3532865d42cSLarry Finger do {
354500320b7SArushi Singhal pcmd = r8712_dequeue_cmd(&pcmdpriv->cmd_queue);
3557fcf92c0SJuliana Rodrigues if (!pcmd)
3562865d42cSLarry Finger break;
3572865d42cSLarry Finger r8712_free_cmd_obj(pcmd);
3582865d42cSLarry Finger } while (1);
359204a8ac1SBinoy Jayan complete(&pcmdpriv->terminate_cmdthread_comp);
360*99d7ef1eSEric W. Biederman return 0;
3612865d42cSLarry Finger }
3622865d42cSLarry Finger
r8712_event_handle(struct _adapter * padapter,__le32 * peventbuf)363bcb91a5cSJannik Becher void r8712_event_handle(struct _adapter *padapter, __le32 *peventbuf)
3642865d42cSLarry Finger {
3652865d42cSLarry Finger u8 evt_code, evt_seq;
3662865d42cSLarry Finger u16 evt_sz;
3672865d42cSLarry Finger void (*event_callback)(struct _adapter *dev, u8 *pbuf);
368500320b7SArushi Singhal struct evt_priv *pevt_priv = &padapter->evtpriv;
3692865d42cSLarry Finger
3707fcf92c0SJuliana Rodrigues if (!peventbuf)
3712865d42cSLarry Finger goto _abort_event_;
3722865d42cSLarry Finger evt_sz = (u16)(le32_to_cpu(*peventbuf) & 0xffff);
3732865d42cSLarry Finger evt_seq = (u8)((le32_to_cpu(*peventbuf) >> 24) & 0x7f);
3742865d42cSLarry Finger evt_code = (u8)((le32_to_cpu(*peventbuf) >> 16) & 0xff);
3752865d42cSLarry Finger /* checking event sequence... */
3762865d42cSLarry Finger if ((evt_seq & 0x7f) != pevt_priv->event_seq) {
3772865d42cSLarry Finger pevt_priv->event_seq = ((evt_seq + 1) & 0x7f);
3782865d42cSLarry Finger goto _abort_event_;
3792865d42cSLarry Finger }
3802865d42cSLarry Finger /* checking if event code is valid */
3812865d42cSLarry Finger if (evt_code >= MAX_C2HEVT) {
3822865d42cSLarry Finger pevt_priv->event_seq = ((evt_seq + 1) & 0x7f);
3832865d42cSLarry Finger goto _abort_event_;
3842865d42cSLarry Finger } else if ((evt_code == GEN_EVT_CODE(_Survey)) &&
3852865d42cSLarry Finger (evt_sz > sizeof(struct wlan_bssid_ex))) {
3862865d42cSLarry Finger pevt_priv->event_seq = ((evt_seq + 1) & 0x7f);
3872865d42cSLarry Finger goto _abort_event_;
3882865d42cSLarry Finger }
3892865d42cSLarry Finger /* checking if event size match the event parm size */
3902865d42cSLarry Finger if ((wlanevents[evt_code].parmsize) &&
3912865d42cSLarry Finger (wlanevents[evt_code].parmsize != evt_sz)) {
3922865d42cSLarry Finger pevt_priv->event_seq = ((evt_seq + 1) & 0x7f);
3932865d42cSLarry Finger goto _abort_event_;
3942865d42cSLarry Finger } else if ((evt_sz == 0) && (evt_code != GEN_EVT_CODE(_WPS_PBC))) {
3952865d42cSLarry Finger pevt_priv->event_seq = ((evt_seq + 1) & 0x7f);
3962865d42cSLarry Finger goto _abort_event_;
3972865d42cSLarry Finger }
3982865d42cSLarry Finger pevt_priv->event_seq++; /* update evt_seq */
3992865d42cSLarry Finger if (pevt_priv->event_seq > 127)
4002865d42cSLarry Finger pevt_priv->event_seq = 0;
40157b6686eSTapasweni Pathak /* move to event content, 8 bytes alignment */
40257b6686eSTapasweni Pathak peventbuf = peventbuf + 2;
4032865d42cSLarry Finger event_callback = wlanevents[evt_code].event_callback;
4042865d42cSLarry Finger if (event_callback)
4052865d42cSLarry Finger event_callback(padapter, (u8 *)peventbuf);
4062865d42cSLarry Finger pevt_priv->evt_done_cnt++;
4072865d42cSLarry Finger _abort_event_:
4082865d42cSLarry Finger return;
4092865d42cSLarry Finger }
410