diff options
Diffstat (limited to 'drivers/net/wireless/bcmdhd.1.28.23.x.cn_ap6476/wl_android.c')
| -rwxr-xr-x | drivers/net/wireless/bcmdhd.1.28.23.x.cn_ap6476/wl_android.c | 1585 |
1 files changed, 1585 insertions, 0 deletions
diff --git a/drivers/net/wireless/bcmdhd.1.28.23.x.cn_ap6476/wl_android.c b/drivers/net/wireless/bcmdhd.1.28.23.x.cn_ap6476/wl_android.c new file mode 100755 index 00000000..2b4cd7db --- /dev/null +++ b/drivers/net/wireless/bcmdhd.1.28.23.x.cn_ap6476/wl_android.c @@ -0,0 +1,1585 @@ +/* + * Linux cfg80211 driver - Android related functions + * + * Copyright (C) 1999-2012, Broadcom Corporation + * + * Unless you and Broadcom execute a separate written software license + * agreement governing use of this software, this software is licensed to you + * under the terms of the GNU General Public License version 2 (the "GPL"), + * available at http://www.broadcom.com/licenses/GPLv2.php, with the + * following added to such license: + * + * As a special exception, the copyright holders of this software give you + * permission to link this software with independent modules, and to copy and + * distribute the resulting executable under terms of your choice, provided that + * you also meet, for each linked independent module, the terms and conditions of + * the license of that module. An independent module is a module which is not + * derived from this software. The special exception does not apply to any + * modifications of the software. + * + * Notwithstanding the above, under no circumstances may you combine this + * software in any way with any other Broadcom software provided under a license + * other than the GPL, without Broadcom's express prior written consent. + * + * $Id: wl_android.c 372668 2012-12-04 14:07:12Z $ + */ + +#include <linux/module.h> +#include <linux/netdevice.h> + +#include <wl_android.h> +#include <wldev_common.h> +#include <wlioctl.h> +#include <bcmutils.h> +#include <linux_osl.h> +#include <dhd_dbg.h> +#include <dngl_stats.h> +#include <dhd.h> +#include <bcmsdbus.h> +#ifdef WL_CFG80211 +#include <wl_cfg80211.h> +#endif +#if defined(CONFIG_WIFI_CONTROL_FUNC) +#include <linux/platform_device.h> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 35)) +#include <linux/wlan_plat.h> +#else +#include <linux/wifi_tiwlan.h> +#endif +#endif /* CONFIG_WIFI_CONTROL_FUNC */ + +#ifndef WL_CFG80211 +#define htod32(i) i +#define htod16(i) i +#define dtoh32(i) i +#define dtoh16(i) i +#define htodchanspec(i) i +#define dtohchanspec(i) i +#endif + +/* message levels */ +#define ANDROID_ERROR_LEVEL 0x0001 +#define ANDROID_TRACE_LEVEL 0x0002 +#define ANDROID_INFO_LEVEL 0x0004 + +uint android_msg_level = ANDROID_ERROR_LEVEL; + +#define ANDROID_ERROR(x) \ + do { \ + if (android_msg_level & ANDROID_ERROR_LEVEL) { \ + printk(KERN_ERR "ANDROID-ERROR) "); \ + printk x; \ + } \ + } while (0) +#define ANDROID_TRACE(x) \ + do { \ + if (android_msg_level & ANDROID_TRACE_LEVEL) { \ + printk(KERN_ERR "ANDROID-TRACE) "); \ + printk x; \ + } \ + } while (0) +#define ANDROID_INFO(x) \ + do { \ + if (android_msg_level & ANDROID_INFO_LEVEL) { \ + printk(KERN_ERR "ANDROID-INFO) "); \ + printk x; \ + } \ + } while (0) + +/* + * Android private command strings, PLEASE define new private commands here + * so they can be updated easily in the future (if needed) + */ + +#define CMD_START "START" +#define CMD_STOP "STOP" +#define CMD_SCAN_ACTIVE "SCAN-ACTIVE" +#define CMD_SCAN_PASSIVE "SCAN-PASSIVE" +#define CMD_RSSI "RSSI" +#define CMD_LINKSPEED "LINKSPEED" +#define CMD_RXFILTER_START "RXFILTER-START" +#define CMD_RXFILTER_STOP "RXFILTER-STOP" +#define CMD_RXFILTER_ADD "RXFILTER-ADD" +#define CMD_RXFILTER_REMOVE "RXFILTER-REMOVE" +#define CMD_BTCOEXSCAN_START "BTCOEXSCAN-START" +#define CMD_BTCOEXSCAN_STOP "BTCOEXSCAN-STOP" +#define CMD_BTCOEXMODE "BTCOEXMODE" +#define CMD_SETSUSPENDOPT "SETSUSPENDOPT" +#define CMD_SETSUSPENDMODE "SETSUSPENDMODE" +#define CMD_P2P_DEV_ADDR "P2P_DEV_ADDR" +#define CMD_SETFWPATH "SETFWPATH" +#define CMD_SETBAND "SETBAND" +#define CMD_GETBAND "GETBAND" +#define CMD_COUNTRY "COUNTRY" +#define CMD_P2P_SET_NOA "P2P_SET_NOA" +#if !defined WL_ENABLE_P2P_IF +#define CMD_P2P_GET_NOA "P2P_GET_NOA" +#endif +#define CMD_P2P_SD_OFFLOAD "P2P_SD_" +#define CMD_P2P_SET_PS "P2P_SET_PS" +#define CMD_SET_AP_WPS_P2P_IE "SET_AP_WPS_P2P_IE" +#define CMD_SETROAMMODE "SETROAMMODE" + + +/* CCX Private Commands */ + +#ifdef PNO_SUPPORT +#define CMD_PNOSSIDCLR_SET "PNOSSIDCLR" +#define CMD_PNOSETUP_SET "PNOSETUP " +#define CMD_PNOENABLE_SET "PNOFORCE" +#define CMD_PNODEBUG_SET "PNODEBUG" + +#define PNO_TLV_PREFIX 'S' +#define PNO_TLV_VERSION '1' +#define PNO_TLV_SUBVERSION '2' +#define PNO_TLV_RESERVED '0' +#define PNO_TLV_TYPE_SSID_IE 'S' +#define PNO_TLV_TYPE_TIME 'T' +#define PNO_TLV_FREQ_REPEAT 'R' +#define PNO_TLV_FREQ_EXPO_MAX 'M' + +typedef struct cmd_tlv { + char prefix; + char version; + char subver; + char reserved; +} cmd_tlv_t; +#endif /* PNO_SUPPORT */ + +#define CMD_OKC_SET_PMK "SET_PMK" +#define CMD_OKC_ENABLE "OKC_ENABLE" + + +typedef struct android_wifi_priv_cmd { + char *buf; + int used_len; + int total_len; +} android_wifi_priv_cmd; + +/** + * Extern function declarations (TODO: move them to dhd_linux.h) + */ +void dhd_customer_gpio_wlan_ctrl(int onoff); +int dhd_dev_reset(struct net_device *dev, uint8 flag); +int dhd_dev_init_ioctl(struct net_device *dev); +#ifdef WL_CFG80211 +int wl_cfg80211_get_p2p_dev_addr(struct net_device *net, struct ether_addr *p2pdev_addr); +int wl_cfg80211_set_btcoex_dhcp(struct net_device *dev, char *command); +#else +int wl_cfg80211_get_p2p_dev_addr(struct net_device *net, struct ether_addr *p2pdev_addr) +{ return 0; } +int wl_cfg80211_set_p2p_noa(struct net_device *net, char* buf, int len) +{ return 0; } +int wl_cfg80211_get_p2p_noa(struct net_device *net, char* buf, int len) +{ return 0; } +int wl_cfg80211_set_p2p_ps(struct net_device *net, char* buf, int len) +{ return 0; } +#endif /* WL_CFG80211 */ + +extern int dhd_os_check_wakelock(void *dhdp); +extern int dhd_os_check_if_up(void *dhdp); +extern void *bcmsdh_get_drvdata(void); +#if defined(PROP_TXSTATUS) && !defined(PROP_TXSTATUS_VSDB) +extern int dhd_wlfc_init(dhd_pub_t *dhd); +extern void dhd_wlfc_deinit(dhd_pub_t *dhd); +#endif + +extern bool ap_fw_loaded; +extern char iface_name[IFNAMSIZ]; + +#define WIFI_TURNOFF_DELAY 0 +/** + * Local (static) functions and variables + */ + +/* Initialize g_wifi_on to 1 so dhd_bus_start will be called for the first + * time (only) in dhd_open, subsequential wifi on will be handled by + * wl_android_wifi_on + */ +static int g_wifi_on = TRUE; + +/** + * Local (static) function definitions + */ +static int wl_android_get_link_speed(struct net_device *net, char *command, int total_len) +{ + int link_speed; + int bytes_written; + int error; + + error = wldev_get_link_speed(net, &link_speed); + if (error) + return -1; + + /* Convert Kbps to Android Mbps */ + link_speed = link_speed / 1000; + bytes_written = snprintf(command, total_len, "LinkSpeed %d", link_speed); + ANDROID_INFO(("%s: command result is %s\n", __FUNCTION__, command)); + return bytes_written; +} + +static int wl_android_get_rssi(struct net_device *net, char *command, int total_len) +{ + wlc_ssid_t ssid = {0}; + int rssi; + int bytes_written = 0; + int error; + + error = wldev_get_rssi(net, &rssi); + if (error) + return -1; +#if defined(RSSIOFFSET) + rssi = wl_update_rssi_offset(rssi); +#endif + + error = wldev_get_ssid(net, &ssid); + if (error) + return -1; + if ((ssid.SSID_len == 0) || (ssid.SSID_len > DOT11_MAX_SSID_LEN)) { + ANDROID_ERROR(("%s: wldev_get_ssid failed\n", __FUNCTION__)); + } else { + memcpy(command, ssid.SSID, ssid.SSID_len); + bytes_written = ssid.SSID_len; + } + bytes_written += snprintf(&command[bytes_written], total_len, " rssi %d", rssi); + ANDROID_INFO(("%s: command result is %s (%d)\n", __FUNCTION__, command, bytes_written)); + return bytes_written; +} + +static int wl_android_set_suspendopt(struct net_device *dev, char *command, int total_len) +{ + int suspend_flag; + int ret_now; + int ret = 0; + + suspend_flag = *(command + strlen(CMD_SETSUSPENDOPT) + 1) - '0'; + + if (suspend_flag != 0) + suspend_flag = 1; + ret_now = net_os_set_suspend_disable(dev, suspend_flag); + + if (ret_now != suspend_flag) { + if (!(ret = net_os_set_suspend(dev, ret_now, 1))) + ANDROID_INFO(("%s: Suspend Flag %d -> %d\n", + __FUNCTION__, ret_now, suspend_flag)); + else + ANDROID_ERROR(("%s: failed %d\n", __FUNCTION__, ret)); + } + return ret; +} + +static int wl_android_set_suspendmode(struct net_device *dev, char *command, int total_len) +{ + int ret = 0; + +#if !defined(CONFIG_HAS_EARLYSUSPEND) || !defined(DHD_USE_EARLYSUSPEND) + int suspend_flag; + + suspend_flag = *(command + strlen(CMD_SETSUSPENDMODE) + 1) - '0'; + + if (suspend_flag != 0) + suspend_flag = 1; + + if (!(ret = net_os_set_suspend(dev, suspend_flag, 0))) + ANDROID_INFO(("%s: Suspend Mode %d\n",__FUNCTION__,suspend_flag)); + else + ANDROID_ERROR(("%s: failed %d\n",__FUNCTION__,ret)); +#endif + return ret; +} + +static int wl_android_get_band(struct net_device *dev, char *command, int total_len) +{ + uint band; + int bytes_written; + int error; + + error = wldev_get_band(dev, &band); + if (error) + return -1; + bytes_written = snprintf(command, total_len, "Band %d", band); + return bytes_written; +} + +#if defined(PNO_SUPPORT) && !defined(WL_SCHED_SCAN) +static int wl_android_set_pno_setup(struct net_device *dev, char *command, int total_len) +{ + wlc_ssid_t ssids_local[MAX_PFN_LIST_COUNT]; + int res = -1; + int nssid = 0; + cmd_tlv_t *cmd_tlv_temp; + char *str_ptr; + int tlv_size_left; + int pno_time = 0; + int pno_repeat = 0; + int pno_freq_expo_max = 0; + +#ifdef PNO_SET_DEBUG + int i; + char pno_in_example[] = { + 'P', 'N', 'O', 'S', 'E', 'T', 'U', 'P', ' ', + 'S', '1', '2', '0', + 'S', + 0x05, + 'd', 'l', 'i', 'n', 'k', + 'S', + 0x04, + 'G', 'O', 'O', 'G', + 'T', + '0', 'B', + 'R', + '2', + 'M', + '2', + 0x00 + }; +#endif /* PNO_SET_DEBUG */ + + ANDROID_INFO(("%s: command=%s, len=%d\n", __FUNCTION__, command, total_len)); + + if (total_len < (strlen(CMD_PNOSETUP_SET) + sizeof(cmd_tlv_t))) { + ANDROID_ERROR(("%s argument=%d less min size\n", __FUNCTION__, total_len)); + goto exit_proc; + } + + +#ifdef PNO_SET_DEBUG + memcpy(command, pno_in_example, sizeof(pno_in_example)); + for (i = 0; i < sizeof(pno_in_example); i++) + printf("%02X ", command[i]); + printf("\n"); + total_len = sizeof(pno_in_example); +#endif + + str_ptr = command + strlen(CMD_PNOSETUP_SET); + tlv_size_left = total_len - strlen(CMD_PNOSETUP_SET); + + cmd_tlv_temp = (cmd_tlv_t *)str_ptr; + memset(ssids_local, 0, sizeof(ssids_local)); + + if ((cmd_tlv_temp->prefix == PNO_TLV_PREFIX) && + (cmd_tlv_temp->version == PNO_TLV_VERSION) && + (cmd_tlv_temp->subver == PNO_TLV_SUBVERSION)) { + + str_ptr += sizeof(cmd_tlv_t); + tlv_size_left -= sizeof(cmd_tlv_t); + + if ((nssid = wl_iw_parse_ssid_list_tlv(&str_ptr, ssids_local, + MAX_PFN_LIST_COUNT, &tlv_size_left)) <= 0) { + ANDROID_ERROR(("SSID is not presented or corrupted ret=%d\n", nssid)); + goto exit_proc; + } else { + if ((str_ptr[0] != PNO_TLV_TYPE_TIME) || (tlv_size_left <= 1)) { + ANDROID_ERROR(("%s scan duration corrupted field size %d\n", + __FUNCTION__, tlv_size_left)); + goto exit_proc; + } + str_ptr++; + pno_time = simple_strtoul(str_ptr, &str_ptr, 16); + ANDROID_INFO(("%s: pno_time=%d\n", __FUNCTION__, pno_time)); + + if (str_ptr[0] != 0) { + if ((str_ptr[0] != PNO_TLV_FREQ_REPEAT)) { + ANDROID_ERROR(("%s pno repeat : corrupted field\n", + __FUNCTION__)); + goto exit_proc; + } + str_ptr++; + pno_repeat = simple_strtoul(str_ptr, &str_ptr, 16); + ANDROID_INFO(("%s :got pno_repeat=%d\n", __FUNCTION__, pno_repeat)); + if (str_ptr[0] != PNO_TLV_FREQ_EXPO_MAX) { + ANDROID_ERROR(("%s FREQ_EXPO_MAX corrupted field size\n", + __FUNCTION__)); + goto exit_proc; + } + str_ptr++; + pno_freq_expo_max = simple_strtoul(str_ptr, &str_ptr, 16); + ANDROID_INFO(("%s: pno_freq_expo_max=%d\n", + __FUNCTION__, pno_freq_expo_max)); + } + } + } else { + ANDROID_ERROR(("%s get wrong TLV command\n", __FUNCTION__)); + goto exit_proc; + } + + res = dhd_dev_pno_set(dev, ssids_local, nssid, pno_time, pno_repeat, pno_freq_expo_max); + +exit_proc: + return res; +} +#endif /* PNO_SUPPORT && !WL_SCHED_SCAN */ + +static int wl_android_get_p2p_dev_addr(struct net_device *ndev, char *command, int total_len) +{ + int ret; + int bytes_written = 0; + + ret = wl_cfg80211_get_p2p_dev_addr(ndev, (struct ether_addr*)command); + if (ret) + return 0; + bytes_written = sizeof(struct ether_addr); + return bytes_written; +} + +/** + * Global function definitions (declared in wl_android.h) + */ + +int wl_android_wifi_on(struct net_device *dev) +{ + int ret = 0; + int retry = POWERUP_MAX_RETRY; + + if (!dev) { + ANDROID_ERROR(("%s: dev is null\n", __FUNCTION__)); + return -EINVAL; + } + + printk("%s in 1\n", __FUNCTION__); + dhd_net_if_lock(dev); + printk("%s in 2: g_wifi_on=%d\n", __FUNCTION__, g_wifi_on); + if (!g_wifi_on) { + do { + dhd_customer_gpio_wlan_ctrl(WLAN_RESET_ON); + ret = sdioh_start(NULL, 0); + if (ret == 0) + break; + ANDROID_ERROR(("\nfailed to power up wifi chip, retry again (%d left) **\n\n", + retry+1)); + dhd_customer_gpio_wlan_ctrl(WLAN_RESET_OFF); + } while (retry-- >= 0); + if (ret != 0) { + ANDROID_ERROR(("\nfailed to power up wifi chip, max retry reached **\n\n")); + goto exit; + } + ret = dhd_dev_reset(dev, FALSE); + if (ret) + goto err; + sdioh_start(NULL, 1); + if (!ret) { + if (dhd_dev_init_ioctl(dev) < 0) { + ret = -EFAULT; + goto err; + } + } +#if defined(PROP_TXSTATUS) && !defined(PROP_TXSTATUS_VSDB) + dhd_wlfc_init(bcmsdh_get_drvdata()); +#endif + g_wifi_on = TRUE; + } + +exit: + printk("%s: Success\n", __FUNCTION__); + dhd_net_if_unlock(dev); + return ret; + +err: + dhd_dev_reset(dev, TRUE); + sdioh_stop(NULL); + dhd_customer_gpio_wlan_ctrl(WLAN_RESET_OFF); + printk("%s: Failed\n", __FUNCTION__); + dhd_net_if_unlock(dev); + + return ret; +} + +int wl_android_wifi_off(struct net_device *dev) +{ + int ret = 0; + + if (!dev) { + ANDROID_ERROR(("%s: dev is null\n", __FUNCTION__)); + return -EINVAL; + } + + printk("%s in 1\n", __FUNCTION__); + dhd_net_if_lock(dev); + printk("%s in 2: g_wifi_on=%d\n", __FUNCTION__, g_wifi_on); + if (g_wifi_on) { +#if defined(PROP_TXSTATUS) && !defined(PROP_TXSTATUS_VSDB) + dhd_wlfc_deinit(bcmsdh_get_drvdata()); +#endif + ret = dhd_dev_reset(dev, TRUE); + sdioh_stop(NULL); + dhd_customer_gpio_wlan_ctrl(WLAN_RESET_OFF); + g_wifi_on = FALSE; + } + printk("%s out\n", __FUNCTION__); + dhd_net_if_unlock(dev); + + return ret; +} + +static int wl_android_set_fwpath(struct net_device *net, char *command, int total_len) +{ + if ((strlen(command) - strlen(CMD_SETFWPATH)) > MOD_PARAM_PATHLEN) + return -1; + bcm_strncpy_s(fw_path, sizeof(fw_path), + command + strlen(CMD_SETFWPATH) + 1, MOD_PARAM_PATHLEN - 1); + if (strstr(fw_path, "apsta") != NULL) { + ANDROID_INFO(("GOT APSTA FIRMWARE\n")); + ap_fw_loaded = TRUE; + } else { + ANDROID_INFO(("GOT STA FIRMWARE\n")); + ap_fw_loaded = FALSE; + } + return 0; +} + +static int +wl_android_set_pmk(struct net_device *dev, char *command, int total_len) +{ + uchar pmk[33]; + int error = 0; + char smbuf[WLC_IOCTL_SMLEN]; +#ifdef OKC_DEBUG + int i = 0; +#endif + + bzero(pmk, sizeof(pmk)); + memcpy((char *)pmk, command + strlen("SET_PMK "), 32); + error = wldev_iovar_setbuf(dev, "okc_info_pmk", pmk, 32, smbuf, sizeof(smbuf), NULL); + if (error) { + ANDROID_ERROR(("Failed to set PMK for OKC, error = %d\n", error)); + } +#ifdef OKC_DEBUG + ANDROID_ERROR(("PMK is ")); + for (i = 0; i < 32; i++) + ANDROID_ERROR(("%02X ", pmk[i])); + + ANDROID_ERROR(("\n")); +#endif + return error; +} + +static int +wl_android_okc_enable(struct net_device *dev, char *command, int total_len) +{ + int error = 0; + char okc_enable = 0; + + okc_enable = command[strlen(CMD_OKC_ENABLE) + 1] - '0'; + error = wldev_iovar_setint(dev, "okc_enable", okc_enable); + if (error) { + ANDROID_ERROR(("Failed to %s OKC, error = %d\n", + okc_enable ? "enable" : "disable", error)); + } + + return error; +} + +int wl_android_set_roam_mode(struct net_device *dev, char *command, int total_len) +{ + int error = 0; + int mode = 0; + + if (sscanf(command, "%*s %d", &mode) != 1) { + ANDROID_ERROR(("%s: Failed to get Parameter\n", __FUNCTION__)); + return -1; + } + + error = wldev_iovar_setint(dev, "roam_off", mode); + if (error) { + ANDROID_ERROR(("%s: Failed to set roaming Mode %d, error = %d\n", + __FUNCTION__, mode, error)); + return -1; + } + else + ANDROID_ERROR(("%s: succeeded to set roaming Mode %d, error = %d\n", + __FUNCTION__, mode, error)); + return 0; +} + +int wl_android_priv_cmd(struct net_device *net, struct ifreq *ifr, int cmd) +{ +#define PRIVATE_COMMAND_MAX_LEN 8192 + int ret = 0; + char *command = NULL; + int bytes_written = 0; + android_wifi_priv_cmd priv_cmd; + + net_os_wake_lock(net); + + if (!ifr->ifr_data) { + ret = -EINVAL; + goto exit; + } + if (copy_from_user(&priv_cmd, ifr->ifr_data, sizeof(android_wifi_priv_cmd))) { + ret = -EFAULT; + goto exit; + } + if (priv_cmd.total_len > PRIVATE_COMMAND_MAX_LEN) + { + ANDROID_ERROR(("%s: too long priavte command\n", __FUNCTION__)); + ret = -EINVAL; + } + command = kmalloc(priv_cmd.total_len, GFP_KERNEL); + if (!command) + { + ANDROID_ERROR(("%s: failed to allocate memory\n", __FUNCTION__)); + ret = -ENOMEM; + goto exit; + } + if (copy_from_user(command, priv_cmd.buf, priv_cmd.total_len)) { + ret = -EFAULT; + goto exit; + } + + ANDROID_INFO(("%s: Android private cmd \"%s\" on %s\n", __FUNCTION__, command, ifr->ifr_name)); + + if (strnicmp(command, CMD_START, strlen(CMD_START)) == 0) { + ANDROID_INFO(("%s, Received regular START command\n", __FUNCTION__)); + bytes_written = wl_android_wifi_on(net); + } + else if (strnicmp(command, CMD_SETFWPATH, strlen(CMD_SETFWPATH)) == 0) { + bytes_written = wl_android_set_fwpath(net, command, priv_cmd.total_len); + } + + if (!g_wifi_on) { + ANDROID_ERROR(("%s: Ignore private cmd \"%s\" - iface %s is down\n", + __FUNCTION__, command, ifr->ifr_name)); + ret = 0; + goto exit; + } + + if (strnicmp(command, CMD_STOP, strlen(CMD_STOP)) == 0) { + bytes_written = wl_android_wifi_off(net); + } + else if (strnicmp(command, CMD_SCAN_ACTIVE, strlen(CMD_SCAN_ACTIVE)) == 0) { + /* TBD: SCAN-ACTIVE */ + } + else if (strnicmp(command, CMD_SCAN_PASSIVE, strlen(CMD_SCAN_PASSIVE)) == 0) { + /* TBD: SCAN-PASSIVE */ + } + else if (strnicmp(command, CMD_RSSI, strlen(CMD_RSSI)) == 0) { + bytes_written = wl_android_get_rssi(net, command, priv_cmd.total_len); + } + else if (strnicmp(command, CMD_LINKSPEED, strlen(CMD_LINKSPEED)) == 0) { + bytes_written = wl_android_get_link_speed(net, command, priv_cmd.total_len); + } +#ifdef PKT_FILTER_SUPPORT + else if (strnicmp(command, CMD_RXFILTER_START, strlen(CMD_RXFILTER_START)) == 0) { + bytes_written = net_os_enable_packet_filter(net, 1); + } + else if (strnicmp(command, CMD_RXFILTER_STOP, strlen(CMD_RXFILTER_STOP)) == 0) { + bytes_written = net_os_enable_packet_filter(net, 0); + } + else if (strnicmp(command, CMD_RXFILTER_ADD, strlen(CMD_RXFILTER_ADD)) == 0) { + int filter_num = *(command + strlen(CMD_RXFILTER_ADD) + 1) - '0'; + bytes_written = net_os_rxfilter_add_remove(net, TRUE, filter_num); + } + else if (strnicmp(command, CMD_RXFILTER_REMOVE, strlen(CMD_RXFILTER_REMOVE)) == 0) { + int filter_num = *(command + strlen(CMD_RXFILTER_REMOVE) + 1) - '0'; + bytes_written = net_os_rxfilter_add_remove(net, FALSE, filter_num); + } +#endif /* PKT_FILTER_SUPPORT */ + else if (strnicmp(command, CMD_BTCOEXSCAN_START, strlen(CMD_BTCOEXSCAN_START)) == 0) { + /* TBD: BTCOEXSCAN-START */ + } + else if (strnicmp(command, CMD_BTCOEXSCAN_STOP, strlen(CMD_BTCOEXSCAN_STOP)) == 0) { + /* TBD: BTCOEXSCAN-STOP */ + } + else if (strnicmp(command, CMD_BTCOEXMODE, strlen(CMD_BTCOEXMODE)) == 0) { +#ifdef WL_CFG80211 + bytes_written = wl_cfg80211_set_btcoex_dhcp(net, command); +#else +#ifdef PKT_FILTER_SUPPORT + uint mode = *(command + strlen(CMD_BTCOEXMODE) + 1) - '0'; + + if (mode == 1) + net_os_enable_packet_filter(net, 0); /* DHCP starts */ + else + net_os_enable_packet_filter(net, 1); /* DHCP ends */ +#endif /* PKT_FILTER_SUPPORT */ +#endif /* WL_CFG80211 */ + } + else if (strnicmp(command, CMD_SETSUSPENDOPT, strlen(CMD_SETSUSPENDOPT)) == 0) { + bytes_written = wl_android_set_suspendopt(net, command, priv_cmd.total_len); + } + else if (strnicmp(command, CMD_SETSUSPENDMODE, strlen(CMD_SETSUSPENDMODE)) == 0) { + bytes_written = wl_android_set_suspendmode(net, command, priv_cmd.total_len); + } + else if (strnicmp(command, CMD_SETBAND, strlen(CMD_SETBAND)) == 0) { + uint band = *(command + strlen(CMD_SETBAND) + 1) - '0'; +#ifdef WL_HOST_BAND_MGMT + if (wl_cfg80211_set_band(net, band) < 0) { + bytes_written = -1; + goto exit; + } + if (band == WLC_BAND_AUTO) + bytes_written = wldev_set_band(net, band); +#else + bytes_written = wldev_set_band(net, band); +#endif /* WL_HOST_BAND_MGMT */ + } + else if (strnicmp(command, CMD_GETBAND, strlen(CMD_GETBAND)) == 0) { + bytes_written = wl_android_get_band(net, command, priv_cmd.total_len); + } +#ifdef WL_CFG80211 + /* CUSTOMER_SET_COUNTRY feature is define for only GGSM model */ + else if (strnicmp(command, CMD_COUNTRY, strlen(CMD_COUNTRY)) == 0) { + char *country_code = command + strlen(CMD_COUNTRY) + 1; + bytes_written = wldev_set_country(net, country_code); + } +#endif /* WL_CFG80211 */ +#if defined(PNO_SUPPORT) && !defined(WL_SCHED_SCAN) + else if (strnicmp(command, CMD_PNOSSIDCLR_SET, strlen(CMD_PNOSSIDCLR_SET)) == 0) { + bytes_written = dhd_dev_pno_reset(net); + } + else if (strnicmp(command, CMD_PNOSETUP_SET, strlen(CMD_PNOSETUP_SET)) == 0) { + bytes_written = wl_android_set_pno_setup(net, command, priv_cmd.total_len); + } + else if (strnicmp(command, CMD_PNOENABLE_SET, strlen(CMD_PNOENABLE_SET)) == 0) { + uint pfn_enabled = *(command + strlen(CMD_PNOENABLE_SET) + 1) - '0'; + bytes_written = dhd_dev_pno_enable(net, pfn_enabled); + } +#endif /* PNO_SUPPORT && !WL_SCHED_SCAN */ + else if (strnicmp(command, CMD_P2P_DEV_ADDR, strlen(CMD_P2P_DEV_ADDR)) == 0) { + bytes_written = wl_android_get_p2p_dev_addr(net, command, priv_cmd.total_len); + } + else if (strnicmp(command, CMD_P2P_SET_NOA, strlen(CMD_P2P_SET_NOA)) == 0) { + int skip = strlen(CMD_P2P_SET_NOA) + 1; + bytes_written = wl_cfg80211_set_p2p_noa(net, command + skip, + priv_cmd.total_len - skip); + } +#if !defined WL_ENABLE_P2P_IF + else if (strnicmp(command, CMD_P2P_GET_NOA, strlen(CMD_P2P_GET_NOA)) == 0) { + bytes_written = wl_cfg80211_get_p2p_noa(net, command, priv_cmd.total_len); + } +#endif /* WL_ENABLE_P2P_IF */ + else if (strnicmp(command, CMD_P2P_SET_PS, strlen(CMD_P2P_SET_PS)) == 0) { + int skip = strlen(CMD_P2P_SET_PS) + 1; + bytes_written = wl_cfg80211_set_p2p_ps(net, command + skip, + priv_cmd.total_len - skip); + } +#ifdef WL_CFG80211 + else if (strnicmp(command, CMD_SET_AP_WPS_P2P_IE, + strlen(CMD_SET_AP_WPS_P2P_IE)) == 0) { + int skip = strlen(CMD_SET_AP_WPS_P2P_IE) + 3; + bytes_written = wl_cfg80211_set_wps_p2p_ie(net, command + skip, + priv_cmd.total_len - skip, *(command + skip - 2) - '0'); + } +#endif /* WL_CFG80211 */ + else if (strnicmp(command, CMD_OKC_SET_PMK, strlen(CMD_OKC_SET_PMK)) == 0) + bytes_written = wl_android_set_pmk(net, command, priv_cmd.total_len); + else if (strnicmp(command, CMD_OKC_ENABLE, strlen(CMD_OKC_ENABLE)) == 0) + bytes_written = wl_android_okc_enable(net, command, priv_cmd.total_len); + else if (strnicmp(command, CMD_SETROAMMODE, strlen(CMD_SETROAMMODE)) == 0) + bytes_written = wl_android_set_roam_mode(net, command, priv_cmd.total_len); + else { + ANDROID_ERROR(("Unknown PRIVATE command %s - ignored\n", command)); + snprintf(command, 3, "OK"); + bytes_written = strlen("OK"); + } + + if (bytes_written >= 0) { + if ((bytes_written == 0) && (priv_cmd.total_len > 0)) + command[0] = '\0'; + if (bytes_written >= priv_cmd.total_len) { + ANDROID_ERROR(("%s: bytes_written = %d\n", __FUNCTION__, bytes_written)); + bytes_written = priv_cmd.total_len; + } else { + bytes_written++; + } + priv_cmd.used_len = bytes_written; + if (copy_to_user(priv_cmd.buf, command, bytes_written)) { + ANDROID_ERROR(("%s: failed to copy data to user buffer\n", __FUNCTION__)); + ret = -EFAULT; + } + } + else { + ret = bytes_written; + } + +exit: + net_os_wake_unlock(net); + if (command) { + kfree(command); + } + + return ret; +} + +int wl_android_init(void) +{ + int ret = 0; + + dhd_msg_level |= DHD_ERROR_VAL; +#ifdef ENABLE_INSMOD_NO_FW_LOAD + dhd_download_fw_on_driverload = FALSE; +#endif /* ENABLE_INSMOD_NO_FW_LOAD */ + if (!iface_name[0]) { + memset(iface_name, 0, IFNAMSIZ); + bcm_strncpy_s(iface_name, IFNAMSIZ, "wlan", IFNAMSIZ); + } + return ret; +} + +int wl_android_exit(void) +{ + int ret = 0; + + return ret; +} + +void wl_android_post_init(void) +{ + if (!dhd_download_fw_on_driverload) { + sdioh_stop(NULL); + /* Call customer gpio to turn off power with WL_REG_ON signal */ + dhd_customer_gpio_wlan_ctrl(WLAN_RESET_OFF); + g_wifi_on = 0; + } +} + +/** + * Functions for Android WiFi card detection + */ +#if defined(CONFIG_WIFI_CONTROL_FUNC) + +static int g_wifidev_registered = 0; +static struct semaphore wifi_control_sem; +static struct wifi_platform_data *wifi_control_data = NULL; +static struct resource *wifi_irqres = NULL; + +static int wifi_add_dev(void); +static void wifi_del_dev(void); + +int wl_android_wifictrl_func_add(void) +{ + int ret = 0; + sema_init(&wifi_control_sem, 0); + + ret = wifi_add_dev(); + if (ret) { + ANDROID_ERROR(("%s: platform_driver_register failed\n", __FUNCTION__)); + return ret; + } + g_wifidev_registered = 1; + + /* Waiting callback after platform_driver_register is done or exit with error */ + if (down_timeout(&wifi_control_sem, msecs_to_jiffies(1000)) != 0) { + ret = -EINVAL; + ANDROID_ERROR(("%s: platform_driver_register timeout\n", __FUNCTION__)); + } + + return ret; +} + +void wl_android_wifictrl_func_del(void) +{ + if (g_wifidev_registered) + { + wifi_del_dev(); + g_wifidev_registered = 0; + } +} + +void* wl_android_prealloc(int section, unsigned long size) +{ + void *alloc_ptr = NULL; + if (wifi_control_data && wifi_control_data->mem_prealloc) { + alloc_ptr = wifi_control_data->mem_prealloc(section, size); + if (alloc_ptr) { + ANDROID_INFO(("success alloc section %d\n", section)); + if (size != 0L) + bzero(alloc_ptr, size); + return alloc_ptr; + } + } + + ANDROID_ERROR(("can't alloc section %d\n", section)); + return NULL; +} + +int wifi_get_irq_number(unsigned long *irq_flags_ptr) +{ + if (wifi_irqres) { + *irq_flags_ptr = wifi_irqres->flags & IRQF_TRIGGER_MASK; + return (int)wifi_irqres->start; + } +#ifdef CUSTOM_OOB_GPIO_NUM + return CUSTOM_OOB_GPIO_NUM; +#else + return -1; +#endif +} + +int wifi_set_power(int on, unsigned long msec) +{ + ANDROID_ERROR(("%s = %d\n", __FUNCTION__, on)); + if (wifi_control_data && wifi_control_data->set_power) { + wifi_control_data->set_power(on); + } + if (msec) + msleep(msec); + return 0; +} + +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 35)) +int wifi_get_mac_addr(unsigned char *buf) +{ + ANDROID_ERROR(("%s\n", __FUNCTION__)); + if (!buf) + return -EINVAL; + if (wifi_control_data && wifi_control_data->get_mac_addr) { + return wifi_control_data->get_mac_addr(buf); + } + return -EOPNOTSUPP; +} +#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 35)) */ + +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 39)) +void *wifi_get_country_code(char *ccode) +{ + ANDROID_TRACE(("%s\n", __FUNCTION__)); + if (!ccode) + return NULL; + if (wifi_control_data && wifi_control_data->get_country_code) { + return wifi_control_data->get_country_code(ccode); + } + return NULL; +} +#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 39)) */ + +static int wifi_set_carddetect(int on) +{ + ANDROID_ERROR(("%s = %d\n", __FUNCTION__, on)); + if (wifi_control_data && wifi_control_data->set_carddetect) { + wifi_control_data->set_carddetect(on); + } + return 0; +} + +static int wifi_probe(struct platform_device *pdev) +{ + struct wifi_platform_data *wifi_ctrl = + (struct wifi_platform_data *)(pdev->dev.platform_data); + + wifi_irqres = platform_get_resource_byname(pdev, IORESOURCE_IRQ, "bcmdhd_wlan_irq"); + if (wifi_irqres == NULL) + wifi_irqres = platform_get_resource_byname(pdev, + IORESOURCE_IRQ, "bcm4329_wlan_irq"); + wifi_control_data = wifi_ctrl; + wifi_set_power(1, 0); /* Power On */ + wifi_set_carddetect(1); /* CardDetect (0->1) */ + + up(&wifi_control_sem); + return 0; +} + +static int wifi_remove(struct platform_device *pdev) +{ + struct wifi_platform_data *wifi_ctrl = + (struct wifi_platform_data *)(pdev->dev.platform_data); + + ANDROID_ERROR(("## %s\n", __FUNCTION__)); + wifi_control_data = wifi_ctrl; + + wifi_set_power(0, WIFI_TURNOFF_DELAY); /* Power Off */ + wifi_set_carddetect(0); /* CardDetect (1->0) */ + + up(&wifi_control_sem); + return 0; +} + +static int wifi_suspend(struct platform_device *pdev, pm_message_t state) +{ + ANDROID_TRACE(("##> %s\n", __FUNCTION__)); +#if defined(CONFIG_ARCH_RHEA) || defined(CONFIG_ARCH_CAPRI) + if (dhd_os_check_wakelock(bcmsdh_get_drvdata())) + return -EBUSY; +#endif /* defined(CONFIG_ARCH_RHEA) || defined(CONFIG_ARCH_CAPRI) */ +#if (LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 39)) && defined(OOB_INTR_ONLY) && 1 + bcmsdh_oob_intr_set(0); +#endif /* (OOB_INTR_ONLY) */ + return 0; +} + +static int wifi_resume(struct platform_device *pdev) +{ + ANDROID_TRACE(("##> %s\n", __FUNCTION__)); +#if (LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 39)) && defined(OOB_INTR_ONLY) && 1 + if (dhd_os_check_if_up(bcmsdh_get_drvdata())) + bcmsdh_oob_intr_set(1); +#endif /* (OOB_INTR_ONLY) */ + return 0; +} + +static struct platform_driver wifi_device = { + .probe = wifi_probe, + .remove = wifi_remove, + .suspend = wifi_suspend, + .resume = wifi_resume, + .driver = { + .name = "bcmdhd_wlan", + } +}; + +static struct platform_driver wifi_device_legacy = { + .probe = wifi_probe, + .remove = wifi_remove, + .suspend = wifi_suspend, + .resume = wifi_resume, + .driver = { + .name = "bcm4329_wlan", + } +}; + +static int wifi_add_dev(void) +{ + int ret = 0; + ANDROID_TRACE(("## Calling platform_driver_register\n")); + ret = platform_driver_register(&wifi_device); + if (ret) + return ret; + + ret = platform_driver_register(&wifi_device_legacy); + return ret; +} + +static void wifi_del_dev(void) +{ + ANDROID_TRACE(("## Unregister platform_driver_register\n")); + platform_driver_unregister(&wifi_device); + platform_driver_unregister(&wifi_device_legacy); +} +#endif /* defined(CONFIG_WIFI_CONTROL_FUNC) */ + + +#if defined(RSSIAVG) +void +wl_free_rssi_cache(wl_rssi_cache_ctrl_t *rssi_cache_ctrl) +{ + wl_rssi_cache_t *node, *cur, **rssi_head; + int i=0; + + rssi_head = &rssi_cache_ctrl->m_cache_head; + node = *rssi_head; + + for (;node;) { + ANDROID_INFO(("%s: Free %d with BSSID %pM\n", + __FUNCTION__, i, &node->BSSID)); + cur = node; + node = cur->next; + kfree(cur); + i++; + } + *rssi_head = NULL; +} + +void +wl_delete_dirty_rssi_cache(wl_rssi_cache_ctrl_t *rssi_cache_ctrl) +{ + wl_rssi_cache_t *node, *prev, **rssi_head; + int i = -1, tmp = 0; +#if defined(BSSCACHE) + int max = BSSCACHE_LEN; +#else + int max = RSSICACHE_LEN; +#endif + + rssi_head = &rssi_cache_ctrl->m_cache_head; + node = *rssi_head; + prev = node; + for (;node;) { + i++; + if (node->dirty >= max || node->dirty >= RSSICACHE_LEN) { + if (node == *rssi_head) { + tmp = 1; + *rssi_head = node->next; + } else { + tmp = 0; + prev->next = node->next; + } + ANDROID_INFO(("%s: Del %d with BSSID %pM\n", + __FUNCTION__, i, &node->BSSID)); + kfree(node); + if (tmp == 1) { + node = *rssi_head; + prev = node; + } else { + node = prev->next; + } + continue; + } + prev = node; + node = node->next; + } +} + +void +wl_delete_disconnected_rssi_cache(wl_rssi_cache_ctrl_t *rssi_cache_ctrl, u8 *bssid) +{ + wl_rssi_cache_t *node, *prev, **rssi_head; + int i = -1, tmp = 0; + + rssi_head = &rssi_cache_ctrl->m_cache_head; + node = *rssi_head; + prev = node; + for (;node;) { + i++; + if (!memcmp(&node->BSSID, bssid, ETHER_ADDR_LEN)) { + if (node == *rssi_head) { + tmp = 1; + *rssi_head = node->next; + } else { + tmp = 0; + prev->next = node->next; + } + ANDROID_INFO(("%s: Del %d with BSSID %pM\n", + __FUNCTION__, i, &node->BSSID)); + kfree(node); + if (tmp == 1) { + node = *rssi_head; + prev = node; + } else { + node = prev->next; + } + continue; + } + prev = node; + node = node->next; + } +} + +void +wl_reset_rssi_cache(wl_rssi_cache_ctrl_t *rssi_cache_ctrl) +{ + wl_rssi_cache_t *node, **rssi_head; + + rssi_head = &rssi_cache_ctrl->m_cache_head; + + /* reset dirty */ + node = *rssi_head; + for (;node;) { + node->dirty += 1; + node = node->next; + } +} + +int +wl_update_connected_rssi_cache(struct net_device *net, wl_rssi_cache_ctrl_t *rssi_cache_ctrl, int *rssi_avg) +{ + wl_rssi_cache_t *node, *prev, *leaf, **rssi_head; + int j, k=0; + int rssi, error=0; + struct ether_addr bssid; + + error = wldev_ioctl(net, WLC_GET_BSSID, &bssid, sizeof(bssid), false); + if (error == BCME_NOTASSOCIATED) { + ANDROID_INFO(("%s: Not Associated! res:%d\n", __FUNCTION__, error)); + return 0; + } + if (error) { + ANDROID_ERROR(("Could not get bssid (%d)\n", error)); + } + error = wldev_get_rssi(net, &rssi); + if (error) { + ANDROID_ERROR(("Could not get rssi (%d)\n", error)); + return error; + } + + /* update RSSI */ + rssi_head = &rssi_cache_ctrl->m_cache_head; + node = *rssi_head; + prev = NULL; + for (;node;) { + if (!memcmp(&node->BSSID, &bssid, ETHER_ADDR_LEN)) { + ANDROID_INFO(("%s: Update %d with BSSID %pM, RSSI=%d\n", + __FUNCTION__, k, &bssid, rssi)); + for(j=0; j<RSSIAVG_LEN-1; j++) + node->RSSI[j] = node->RSSI[j+1]; + node->RSSI[j] = rssi; + node->dirty = 0; + goto exit; + } + prev = node; + node = node->next; + k++; + } + + leaf = kmalloc(sizeof(wl_rssi_cache_t), GFP_KERNEL); + if (!leaf) { + ANDROID_ERROR(("%s: Memory alloc failure %d\n", + __FUNCTION__, sizeof(wl_rssi_cache_t))); + return 0; + } + ANDROID_INFO(("%s: Add %d with cached BSSID %pM, RSSI=%d in the leaf\n", + __FUNCTION__, k, &bssid, rssi)); + + leaf->next = NULL; + leaf->dirty = 0; + memcpy(&leaf->BSSID, &bssid, ETHER_ADDR_LEN); + for (j=0; j<RSSIAVG_LEN; j++) + leaf->RSSI[j] = rssi; + + if (!prev) + *rssi_head = leaf; + else + prev->next = leaf; + +exit: + *rssi_avg = (int)wl_get_avg_rssi(rssi_cache_ctrl, &bssid); + + return error; +} + +void +wl_update_rssi_cache(wl_rssi_cache_ctrl_t *rssi_cache_ctrl, wl_scan_results_t *ss_list) +{ + wl_rssi_cache_t *node, *prev, *leaf, **rssi_head; + wl_bss_info_t *bi = NULL; + int i, j, k; + + if (!ss_list->count) + return; + + rssi_head = &rssi_cache_ctrl->m_cache_head; + + /* update RSSI */ + for (i = 0; i < ss_list->count; i++) { + node = *rssi_head; + prev = NULL; + k = 0; + bi = bi ? (wl_bss_info_t *)((uintptr)bi + dtoh32(bi->length)) : ss_list->bss_info; + for (;node;) { + if (!memcmp(&node->BSSID, &bi->BSSID, ETHER_ADDR_LEN)) { + ANDROID_INFO(("%s: Update %d with BSSID %pM, RSSI=%d, SSID \"%s\"\n", + __FUNCTION__, k, &bi->BSSID, dtoh16(bi->RSSI), bi->SSID)); + for(j=0; j<RSSIAVG_LEN-1; j++) + node->RSSI[j] = node->RSSI[j+1]; + node->RSSI[j] = dtoh16(bi->RSSI); + node->dirty = 0; + break; + } + prev = node; + node = node->next; + k++; + } + + if (node) + continue; + + leaf = kmalloc(sizeof(wl_rssi_cache_t), GFP_KERNEL); + if (!leaf) { + ANDROID_ERROR(("%s: Memory alloc failure %d\n", + __FUNCTION__, sizeof(wl_rssi_cache_t))); + return; + } + ANDROID_INFO(("%s: Add %d with cached BSSID %pM, RSSI=%d, SSID \"%s\" in the leaf\n", + __FUNCTION__, k, &bi->BSSID, dtoh16(bi->RSSI), bi->SSID)); + + leaf->next = NULL; + leaf->dirty = 0; + memcpy(&leaf->BSSID, &bi->BSSID, ETHER_ADDR_LEN); + for (j=0; j<RSSIAVG_LEN; j++) + leaf->RSSI[j] = dtoh16(bi->RSSI); + + if (!prev) + *rssi_head = leaf; + else + prev->next = leaf; + } +} + +int16 +wl_get_avg_rssi(wl_rssi_cache_ctrl_t *rssi_cache_ctrl, void *addr) +{ + wl_rssi_cache_t *node, **rssi_head; + int j, rssi_sum, rssi=-200; + + rssi_head = &rssi_cache_ctrl->m_cache_head; + + /* reset dirty */ + node = *rssi_head; + for (;node;) { + if (!memcmp(&node->BSSID, addr, ETHER_ADDR_LEN)) { + rssi_sum = 0; + rssi = 0; + for (j=0; j<RSSIAVG_LEN; j++) + rssi_sum += node->RSSI[RSSIAVG_LEN-j-1]; + rssi = rssi_sum / j; + break; + } + node = node->next; + } + if (rssi >= -2) + rssi = -2; + if (rssi == -200) { + ANDROID_ERROR(("%s: BSSID %pM does not in RSSI cache\n", + __FUNCTION__, addr)); + } + return (int16)rssi; +} +#endif + +#if defined(RSSIOFFSET) +int +wl_update_rssi_offset(int rssi) +{ + uint chip, chiprev; + + chip = dhd_bus_chip_id(bcmsdh_get_drvdata()); + chiprev = dhd_bus_chiprev_id(bcmsdh_get_drvdata()); + if (chip == BCM4330_CHIP_ID && chiprev == BCM4330B2_CHIP_REV) { +#if defined(RSSIOFFSET_NEW) + int j; + for (j=0; j<RSSI_OFFSET; j++) { + if (rssi - (RSSI_MIN+RSSI_INT*(j+1)) < 0) + break; + } + rssi += j; +#else + rssi += RSSI_OFFSET; +#endif + } + if (rssi >= -2) + rssi = -2; + return rssi; +} +#endif + +#if defined(BSSCACHE) +#define WLC_IW_SS_CACHE_CTRL_FIELD_MAXLEN 32 + +void +wl_free_bss_cache(wl_bss_cache_ctrl_t *bss_cache_ctrl) +{ + wl_bss_cache_t *node, *cur, **bss_head; + int i=0; + + ANDROID_TRACE(("%s called\n", __FUNCTION__)); + + bss_head = &bss_cache_ctrl->m_cache_head; + node = *bss_head; + + for (;node;) { + ANDROID_TRACE(("%s: Free %d with BSSID %pM\n", + __FUNCTION__, i, &node->results.bss_info->BSSID)); + cur = node; + node = cur->next; + kfree(cur); + i++; + } + *bss_head = NULL; +} + +void +wl_delete_dirty_bss_cache(wl_bss_cache_ctrl_t *bss_cache_ctrl) +{ + wl_bss_cache_t *node, *prev, **bss_head; + int i = -1, tmp = 0; + + bss_head = &bss_cache_ctrl->m_cache_head; + node = *bss_head; + prev = node; + for (;node;) { + i++; + if (node->dirty >= BSSCACHE_LEN) { + if (node == *bss_head) { + tmp = 1; + *bss_head = node->next; + } else { + tmp = 0; + prev->next = node->next; + } + ANDROID_TRACE(("%s: Del %d with BSSID %pM, RSSI=%d, SSID \"%s\"\n", + __FUNCTION__, i, &node->results.bss_info->BSSID, + dtoh16(node->results.bss_info->RSSI), node->results.bss_info->SSID)); + kfree(node); + if (tmp == 1) { + node = *bss_head; + prev = node; + } else { + node = prev->next; + } + continue; + } + prev = node; + node = node->next; + } +} + +void +wl_delete_disconnected_bss_cache(wl_bss_cache_ctrl_t *bss_cache_ctrl, u8 *bssid) +{ + wl_bss_cache_t *node, *prev, **bss_head; + int i = -1, tmp = 0; + + bss_head = &bss_cache_ctrl->m_cache_head; + node = *bss_head; + prev = node; + for (;node;) { + i++; + if (!memcmp(&node->results.bss_info->BSSID, bssid, ETHER_ADDR_LEN)) { + if (node == *bss_head) { + tmp = 1; + *bss_head = node->next; + } else { + tmp = 0; + prev->next = node->next; + } + ANDROID_TRACE(("%s: Del %d with BSSID %pM, RSSI=%d, SSID \"%s\"\n", + __FUNCTION__, i, &node->results.bss_info->BSSID, + dtoh16(node->results.bss_info->RSSI), node->results.bss_info->SSID)); + kfree(node); + if (tmp == 1) { + node = *bss_head; + prev = node; + } else { + node = prev->next; + } + continue; + } + prev = node; + node = node->next; + } +} + +void +wl_reset_bss_cache(wl_bss_cache_ctrl_t *bss_cache_ctrl) +{ + wl_bss_cache_t *node, **bss_head; + + bss_head = &bss_cache_ctrl->m_cache_head; + + /* reset dirty */ + node = *bss_head; + for (;node;) { + node->dirty += 1; + node = node->next; + } +} + +void +wl_update_bss_cache(wl_bss_cache_ctrl_t *bss_cache_ctrl, wl_scan_results_t *ss_list) +{ + wl_bss_cache_t *node, *prev, *leaf, *tmp, **bss_head; + wl_bss_info_t *bi = NULL; + int i, k=0; + + if (!ss_list->count) + return; + + bss_head = &bss_cache_ctrl->m_cache_head; + + for (i=0; i < ss_list->count; i++) { + node = *bss_head; + prev = NULL; + bi = bi ? (wl_bss_info_t *)((uintptr)bi + dtoh32(bi->length)) : ss_list->bss_info; + + for (;node;) { + if (!memcmp(&node->results.bss_info->BSSID, &bi->BSSID, ETHER_ADDR_LEN)) { + tmp = node; + leaf = kmalloc(dtoh32(bi->length) + WLC_IW_SS_CACHE_CTRL_FIELD_MAXLEN, GFP_KERNEL); + if (!leaf) { + ANDROID_ERROR(("%s: Memory alloc failure %d and keep old BSS info\n", + __FUNCTION__, dtoh32(bi->length) + WLC_IW_SS_CACHE_CTRL_FIELD_MAXLEN)); + break; + } + + memcpy(leaf->results.bss_info, bi, dtoh32(bi->length)); + leaf->next = node->next; + leaf->dirty = 0; + leaf->results.count = 1; + leaf->results.version = ss_list->version; + ANDROID_TRACE(("%s: Update %d with BSSID %pM, RSSI=%d, SSID \"%s\"\n", + __FUNCTION__, k, &bi->BSSID, dtoh16(bi->RSSI), bi->SSID)); + if (!prev) + *bss_head = leaf; + else + prev->next = leaf; + node = leaf; + prev = node; + + kfree(tmp); + k++; + break; + } + prev = node; + node = node->next; + } + + if (node) + continue; + + leaf = kmalloc(dtoh32(bi->length) + WLC_IW_SS_CACHE_CTRL_FIELD_MAXLEN, GFP_KERNEL); + if (!leaf) { + ANDROID_ERROR(("%s: Memory alloc failure %d\n", __FUNCTION__, + dtoh32(bi->length) + WLC_IW_SS_CACHE_CTRL_FIELD_MAXLEN)); + return; + } + ANDROID_TRACE(("%s: Add %d with cached BSSID %pM, RSSI=%d, SSID \"%s\" in the leaf\n", + __FUNCTION__, k, &bi->BSSID, dtoh16(bi->RSSI), bi->SSID)); + + memcpy(leaf->results.bss_info, bi, dtoh32(bi->length)); + leaf->next = NULL; + leaf->dirty = 0; + leaf->results.count = 1; + leaf->results.version = ss_list->version; + k++; + + if (!prev) + *bss_head = leaf; + else + prev->next = leaf; + } +} + +void +wl_run_bss_cache_timer(wl_bss_cache_ctrl_t *bss_cache_ctrl, int kick_off) +{ + struct timer_list **timer; + + timer = &bss_cache_ctrl->m_timer; + + if (*timer) { + if (kick_off) { + (*timer)->expires = jiffies + BSSCACHE_TIME * HZ / 1000; + add_timer(*timer); + ANDROID_TRACE(("%s: timer starts\n", __FUNCTION__)); + } else { + del_timer_sync(*timer); + ANDROID_TRACE(("%s: timer stops\n", __FUNCTION__)); + } + } +} + +void +wl_set_bss_cache_timer_flag(ulong data) +{ + wl_bss_cache_ctrl_t *bss_cache_ctrl = (wl_bss_cache_ctrl_t *)data; + + bss_cache_ctrl->m_timer_expired = 1; + ANDROID_TRACE(("%s called\n", __FUNCTION__)); +} + +void +wl_release_bss_cache_ctrl(wl_bss_cache_ctrl_t *bss_cache_ctrl) +{ + ANDROID_TRACE(("%s:\n", __FUNCTION__)); + wl_free_bss_cache(bss_cache_ctrl); + wl_run_bss_cache_timer(bss_cache_ctrl, 0); + if (bss_cache_ctrl->m_timer) { + kfree(bss_cache_ctrl->m_timer); + } +} + +void +wl_init_bss_cache_ctrl(wl_bss_cache_ctrl_t *bss_cache_ctrl) +{ + ANDROID_TRACE(("%s:\n", __FUNCTION__)); + bss_cache_ctrl->m_timer_expired = 0; + + bss_cache_ctrl->m_timer = kmalloc(sizeof(struct timer_list), GFP_KERNEL); + if (!bss_cache_ctrl->m_timer) { + ANDROID_ERROR(("%s: Memory alloc failure\n", __FUNCTION__ )); + return; + } + init_timer(bss_cache_ctrl->m_timer); + bss_cache_ctrl->m_timer->function = (void *)wl_set_bss_cache_timer_flag; + bss_cache_ctrl->m_timer->data = (ulong)bss_cache_ctrl; +} +#endif |