diff options
Diffstat (limited to 'drivers/net/wireless/bcmdhd.1.88.45.x.cn/wl_android.c')
-rwxr-xr-x | drivers/net/wireless/bcmdhd.1.88.45.x.cn/wl_android.c | 2846 |
1 files changed, 2846 insertions, 0 deletions
diff --git a/drivers/net/wireless/bcmdhd.1.88.45.x.cn/wl_android.c b/drivers/net/wireless/bcmdhd.1.88.45.x.cn/wl_android.c new file mode 100755 index 00000000..ab6edbac --- /dev/null +++ b/drivers/net/wireless/bcmdhd.1.88.45.x.cn/wl_android.c @@ -0,0 +1,2846 @@ +/* + * Linux cfg80211 driver - Android related functions + * + * $Copyright Open Broadcom Corporation$ + * + * $Id: wl_android.c 420671 2013-08-28 11:37:19Z $ + */ + +#include <linux/module.h> +#include <linux/netdevice.h> +#include <linux/of_gpio.h> +#include <linux/regulator/consumer.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 <dhd_config.h> +#ifdef PNO_SUPPORT +#include <dhd_pno.h> +#endif +#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 /* WL_ENABLE_P2P_IF */ +#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" +#define CMD_SETIBSSBEACONOUIDATA "SETIBSSBEACONOUIDATA" +#define CMD_MIRACAST "MIRACAST" +#define CMD_GET_CHANNEL "GET_CHANNEL" +#define CMD_SET_ROAM "SET_ROAM_TRIGGER" +#define CMD_GET_ROAM "GET_ROAM_TRIGGER" +#define CMD_SET_KEEP_ALIVE "SET_KEEP_ALIVE" +#define CMD_GET_KEEP_ALIVE "GET_KEEP_ALIVE" +#define CMD_GET_PM "GET_PM" +#define CMD_SET_PM "SET_PM" +#define CMD_MONITOR "MONITOR" + +#if defined(WL_SUPPORT_AUTO_CHANNEL) +#define CMD_GET_BEST_CHANNELS "GET_BEST_CHANNELS" +#endif /* WL_SUPPORT_AUTO_CHANNEL */ + + +/* CCX Private Commands */ +#ifdef BCMCCX +#define CMD_GETCCKM_RN "get cckm_rn" +#define CMD_SETCCKM_KRK "set cckm_krk" +#define CMD_GET_ASSOC_RES_IES "get assoc_res_ies" +#endif + +#ifdef PNO_SUPPORT +#define CMD_PNOSSIDCLR_SET "PNOSSIDCLR" +#define CMD_PNOSETUP_SET "PNOSETUP " +#define CMD_PNOENABLE_SET "PNOFORCE" +#define CMD_PNODEBUG_SET "PNODEBUG" +#define CMD_WLS_BATCHING "WLS_BATCHING" +#endif /* PNO_SUPPORT */ + +#define CMD_OKC_SET_PMK "SET_PMK" +#define CMD_OKC_ENABLE "OKC_ENABLE" + +#define CMD_HAPD_MAC_FILTER "HAPD_MAC_FILTER" +/* hostap mac mode */ +#define MACLIST_MODE_DISABLED 0 +#define MACLIST_MODE_DENY 1 +#define MACLIST_MODE_ALLOW 2 + +/* max number of assoc list */ +#define MAX_NUM_OF_ASSOCLIST 64 + +/* max number of mac filter list + * restrict max number to 10 as maximum cmd string size is 255 + */ +#define MAX_NUM_MAC_FILT 10 + + +/* miracast related definition */ +#define MIRACAST_MODE_OFF 0 +#define MIRACAST_MODE_SOURCE 1 +#define MIRACAST_MODE_SINK 2 + +#ifndef MIRACAST_AMPDU_SIZE +#define MIRACAST_AMPDU_SIZE 8 +#endif + +#ifndef MIRACAST_MCHAN_ALGO +#define MIRACAST_MCHAN_ALGO 1 +#endif + +#ifndef MIRACAST_MCHAN_BW +#define MIRACAST_MCHAN_BW 25 +#endif + +static LIST_HEAD(miracast_resume_list); +static u8 miracast_cur_mode; + +struct io_cfg { + s8 *iovar; + s32 param; + u32 ioctl; + void *arg; + u32 len; + struct list_head list; +}; + +typedef struct android_wifi_priv_cmd { + char *buf; + int used_len; + int total_len; +} android_wifi_priv_cmd; + +#ifdef WL_GENL +static s32 wl_genl_handle_msg(struct sk_buff *skb, struct genl_info *info); +static int wl_genl_init(void); +static int wl_genl_deinit(void); + +extern struct net init_net; +/* attribute policy: defines which attribute has which type (e.g int, char * etc) + * possible values defined in net/netlink.h + */ +static struct nla_policy wl_genl_policy[BCM_GENL_ATTR_MAX + 1] = { + [BCM_GENL_ATTR_STRING] = { .type = NLA_NUL_STRING }, + [BCM_GENL_ATTR_MSG] = { .type = NLA_BINARY }, +}; + +#define WL_GENL_VER 1 +/* family definition */ +static struct genl_family wl_genl_family = { + .id = GENL_ID_GENERATE, /* Genetlink would generate the ID */ + .hdrsize = 0, + .name = "bcm-genl", /* Netlink I/F for Android */ + .version = WL_GENL_VER, /* Version Number */ + .maxattr = BCM_GENL_ATTR_MAX, +}; + +/* commands: mapping between the command enumeration and the actual function */ +struct genl_ops wl_genl_ops = { + .cmd = BCM_GENL_CMD_MSG, + .flags = 0, + .policy = wl_genl_policy, + .doit = wl_genl_handle_msg, + .dumpit = NULL, +}; + +static struct genl_multicast_group wl_genl_mcast = { + .id = GENL_ID_GENERATE, /* Genetlink would generate the ID */ + .name = "bcm-genl-mcast", +}; + +#endif /* WL_GENL */ + +/** + * 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); +int wl_cfg80211_get_ioctl_version(void); +#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_if_up(void *dhdp); +#ifdef BCMLXSDMMC +extern void *bcmsdh_get_drvdata(void); +#endif /* BCMLXSDMMC */ + + +#ifdef ENABLE_4335BT_WAR +extern int bcm_bt_lock(int cookie); +extern void bcm_bt_unlock(int cookie); +static int lock_cookie_wifi = 'W' | 'i'<<8 | 'F'<<16 | 'i'<<24; /* cookie is "WiFi" */ +#endif /* ENABLE_4335BT_WAR */ + +extern bool ap_fw_loaded; +extern char iface_name[IFNAMSIZ]; + +/** + * 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 + */ +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; +} + + +#ifdef PNO_SUPPORT +#define PARAM_SIZE 50 +#define VALUE_SIZE 50 +static int +wls_parse_batching_cmd(struct net_device *dev, char *command, int total_len) +{ + int err = BCME_OK; + uint i, tokens; + char *pos, *pos2, *token, *token2, *delim; + char param[PARAM_SIZE], value[VALUE_SIZE]; + struct dhd_pno_batch_params batch_params; + ANDROID_INFO(("%s: command=%s, len=%d\n", __FUNCTION__, command, total_len)); + if (total_len < strlen(CMD_WLS_BATCHING)) { + ANDROID_ERROR(("%s argument=%d less min size\n", __FUNCTION__, total_len)); + err = BCME_ERROR; + goto exit; + } + pos = command + strlen(CMD_WLS_BATCHING) + 1; + memset(&batch_params, 0, sizeof(struct dhd_pno_batch_params)); + + if (!strncmp(pos, PNO_BATCHING_SET, strlen(PNO_BATCHING_SET))) { + pos += strlen(PNO_BATCHING_SET) + 1; + while ((token = strsep(&pos, PNO_PARAMS_DELIMETER)) != NULL) { + memset(param, 0, sizeof(param)); + memset(value, 0, sizeof(value)); + if (token == NULL || !*token) + break; + if (*token == '\0') + continue; + delim = strchr(token, PNO_PARAM_VALUE_DELLIMETER); + if (delim != NULL) + *delim = ' '; + + tokens = sscanf(token, "%s %s", param, value); + if (!strncmp(param, PNO_PARAM_SCANFREQ, strlen(PNO_PARAM_MSCAN))) { + batch_params.scan_fr = simple_strtol(value, NULL, 0); + ANDROID_INFO(("scan_freq : %d\n", batch_params.scan_fr)); + } else if (!strncmp(param, PNO_PARAM_BESTN, strlen(PNO_PARAM_MSCAN))) { + batch_params.bestn = simple_strtol(value, NULL, 0); + ANDROID_INFO(("bestn : %d\n", batch_params.bestn)); + } else if (!strncmp(param, PNO_PARAM_MSCAN, strlen(PNO_PARAM_MSCAN))) { + batch_params.mscan = simple_strtol(value, NULL, 0); + ANDROID_INFO(("mscan : %d\n", batch_params.mscan)); + } else if (!strncmp(param, PNO_PARAM_CHANNEL, strlen(PNO_PARAM_MSCAN))) { + i = 0; + pos2 = value; + tokens = sscanf(value, "<%s>", value); + if (tokens != 1) { + err = BCME_ERROR; + ANDROID_ERROR(("%s : invalid format for channel" + " <> params\n", __FUNCTION__)); + goto exit; + } + while ((token2 = strsep(&pos2, + PNO_PARAM_CHANNEL_DELIMETER)) != NULL) { + if (token2 == NULL || !*token2) + break; + if (*token2 == '\0') + continue; + if (*token2 == 'A' || *token2 == 'B') { + batch_params.band = (*token2 == 'A')? + WLC_BAND_5G : WLC_BAND_2G; + ANDROID_INFO(("band : %s\n", + (*token2 == 'A')? "A" : "B")); + } else { + batch_params.chan_list[i++] = + simple_strtol(token2, NULL, 0); + batch_params.nchan++; + ANDROID_INFO(("channel :%d\n", + batch_params.chan_list[i-1])); + } + } + } else if (!strncmp(param, PNO_PARAM_RTT, strlen(PNO_PARAM_MSCAN))) { + batch_params.rtt = simple_strtol(value, NULL, 0); + ANDROID_INFO(("rtt : %d\n", batch_params.rtt)); + } else { + ANDROID_ERROR(("%s : unknown param: %s\n", __FUNCTION__, param)); + err = BCME_ERROR; + goto exit; + } + } + err = dhd_dev_pno_set_for_batch(dev, &batch_params); + if (err < 0) { + ANDROID_ERROR(("failed to configure batch scan\n")); + } + } else if (!strncmp(pos, PNO_BATCHING_GET, strlen(PNO_BATCHING_GET))) { + err = dhd_dev_pno_get_for_batch(dev, command, total_len); + if (err < 0) { + ANDROID_ERROR(("failed to getting batching results\n")); + } else { + err = strlen(command); + } + } else if (!strncmp(pos, PNO_BATCHING_STOP, strlen(PNO_BATCHING_STOP))) { + err = dhd_dev_pno_stop_for_batch(dev); + if (err < 0) { + ANDROID_ERROR(("failed to stop batching scan\n")); + } + } else { + ANDROID_ERROR(("%s : unknown command\n", __FUNCTION__)); + err = BCME_ERROR; + goto exit; + } +exit: + return err; +} +#ifndef 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)); + 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->subtype == PNO_TLV_SUBTYPE_LEGACY_PNO)) { + + 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_for_ssid(dev, ssids_local, nssid, pno_time, pno_repeat, + pno_freq_expo_max, NULL, 0); +exit_proc: + return res; +} +#endif /* !WL_SCHED_SCAN */ +#endif /* PNO_SUPPORT */ + +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; +} + +#ifdef BCMCCX +static int wl_android_get_cckm_rn(struct net_device *dev, char *command) +{ + int error, rn; + + ANDROID_TRACE(("%s:wl_android_get_cckm_rn\n", dev->name)); + + error = wldev_iovar_getint(dev, "cckm_rn", &rn); + if (unlikely(error)) { + ANDROID_ERROR(("wl_android_get_cckm_rn error (%d)\n", error)); + return -1; + } + memcpy(command, &rn, sizeof(int)); + + return sizeof(int); +} + +static int wl_android_set_cckm_krk(struct net_device *dev, char *command) +{ + int error; + unsigned char key[16]; + static char iovar_buf[WLC_IOCTL_MEDLEN]; + + ANDROID_TRACE(("%s: wl_iw_set_cckm_krk\n", dev->name)); + + memset(iovar_buf, 0, sizeof(iovar_buf)); + memcpy(key, command+strlen("set cckm_krk")+1, 16); + + error = wldev_iovar_setbuf(dev, "cckm_krk", key, sizeof(key), + iovar_buf, WLC_IOCTL_MEDLEN, NULL); + if (unlikely(error)) + { + ANDROID_ERROR((" cckm_krk set error (%d)\n", error)); + return -1; + } + return 0; +} + +static int wl_android_get_assoc_res_ies(struct net_device *dev, char *command) +{ + int error; + u8 buf[WL_ASSOC_INFO_MAX]; + wl_assoc_info_t assoc_info; + u32 resp_ies_len = 0; + int bytes_written = 0; + + ANDROID_TRACE(("%s: wl_iw_get_assoc_res_ies\n", dev->name)); + + error = wldev_iovar_getbuf(dev, "assoc_info", NULL, 0, buf, WL_ASSOC_INFO_MAX, NULL); + if (unlikely(error)) { + ANDROID_ERROR(("could not get assoc info (%d)\n", error)); + return -1; + } + + memcpy(&assoc_info, buf, sizeof(wl_assoc_info_t)); + assoc_info.req_len = htod32(assoc_info.req_len); + assoc_info.resp_len = htod32(assoc_info.resp_len); + assoc_info.flags = htod32(assoc_info.flags); + + if (assoc_info.resp_len) { + resp_ies_len = assoc_info.resp_len - sizeof(struct dot11_assoc_resp); + } + + /* first 4 bytes are ie len */ + memcpy(command, &resp_ies_len, sizeof(u32)); + bytes_written = sizeof(u32); + + /* get the association resp IE's if there are any */ + if (resp_ies_len) { + error = wldev_iovar_getbuf(dev, "assoc_resp_ies", NULL, 0, + buf, WL_ASSOC_INFO_MAX, NULL); + if (unlikely(error)) { + ANDROID_ERROR(("could not get assoc resp_ies (%d)\n", error)); + return -1; + } + + memcpy(command+sizeof(u32), buf, resp_ies_len); + bytes_written += resp_ies_len; + } + return bytes_written; +} + +#endif /* BCMCCX */ + +static int +wl_android_set_ap_mac_list(struct net_device *dev, int macmode, struct maclist *maclist) +{ + int i, j, match; + int ret = 0; + char mac_buf[MAX_NUM_OF_ASSOCLIST * + sizeof(struct ether_addr) + sizeof(uint)] = {0}; + struct maclist *assoc_maclist = (struct maclist *)mac_buf; + + /* set filtering mode */ + if ((ret = wldev_ioctl(dev, WLC_SET_MACMODE, &macmode, sizeof(macmode), true)) != 0) { + ANDROID_ERROR(("%s : WLC_SET_MACMODE error=%d\n", __FUNCTION__, ret)); + return ret; + } + if (macmode != MACLIST_MODE_DISABLED) { + /* set the MAC filter list */ + if ((ret = wldev_ioctl(dev, WLC_SET_MACLIST, maclist, + sizeof(int) + sizeof(struct ether_addr) * maclist->count, true)) != 0) { + ANDROID_ERROR(("%s : WLC_SET_MACLIST error=%d\n", __FUNCTION__, ret)); + return ret; + } + /* get the current list of associated STAs */ + assoc_maclist->count = MAX_NUM_OF_ASSOCLIST; + if ((ret = wldev_ioctl(dev, WLC_GET_ASSOCLIST, assoc_maclist, + sizeof(mac_buf), false)) != 0) { + ANDROID_ERROR(("%s : WLC_GET_ASSOCLIST error=%d\n", __FUNCTION__, ret)); + return ret; + } + /* do we have any STA associated? */ + if (assoc_maclist->count) { + /* iterate each associated STA */ + for (i = 0; i < assoc_maclist->count; i++) { + match = 0; + /* compare with each entry */ + for (j = 0; j < maclist->count; j++) { + ANDROID_INFO(("%s : associated="MACDBG " list="MACDBG "\n", + __FUNCTION__, MAC2STRDBG(assoc_maclist->ea[i].octet), + MAC2STRDBG(maclist->ea[j].octet))); + if (memcmp(assoc_maclist->ea[i].octet, + maclist->ea[j].octet, ETHER_ADDR_LEN) == 0) { + match = 1; + break; + } + } + /* do conditional deauth */ + /* "if not in the allow list" or "if in the deny list" */ + if ((macmode == MACLIST_MODE_ALLOW && !match) || + (macmode == MACLIST_MODE_DENY && match)) { + scb_val_t scbval; + + scbval.val = htod32(1); + memcpy(&scbval.ea, &assoc_maclist->ea[i], + ETHER_ADDR_LEN); + if ((ret = wldev_ioctl(dev, + WLC_SCB_DEAUTHENTICATE_FOR_REASON, + &scbval, sizeof(scb_val_t), true)) != 0) + ANDROID_ERROR(("%s WLC_SCB_DEAUTHENTICATE error=%d\n", + __FUNCTION__, ret)); + } + } + } + } + return ret; +} + +/* + * HAPD_MAC_FILTER mac_mode mac_cnt mac_addr1 mac_addr2 + * + */ +static int +wl_android_set_mac_address_filter(struct net_device *dev, const char* str) +{ + int i; + int ret = 0; + int macnum = 0; + int macmode = MACLIST_MODE_DISABLED; + struct maclist *list; + char eabuf[ETHER_ADDR_STR_LEN]; + + /* string should look like below (macmode/macnum/maclist) */ + /* 1 2 00:11:22:33:44:55 00:11:22:33:44:ff */ + + /* get the MAC filter mode */ + macmode = bcm_atoi(strsep((char**)&str, " ")); + + if (macmode < MACLIST_MODE_DISABLED || macmode > MACLIST_MODE_ALLOW) { + ANDROID_ERROR(("%s : invalid macmode %d\n", __FUNCTION__, macmode)); + return -1; + } + + macnum = bcm_atoi(strsep((char**)&str, " ")); + if (macnum < 0 || macnum > MAX_NUM_MAC_FILT) { + ANDROID_ERROR(("%s : invalid number of MAC address entries %d\n", + __FUNCTION__, macnum)); + return -1; + } + /* allocate memory for the MAC list */ + list = (struct maclist*)kmalloc(sizeof(int) + + sizeof(struct ether_addr) * macnum, GFP_KERNEL); + if (!list) { + ANDROID_ERROR(("%s : failed to allocate memory\n", __FUNCTION__)); + return -1; + } + /* prepare the MAC list */ + list->count = htod32(macnum); + bzero((char *)eabuf, ETHER_ADDR_STR_LEN); + for (i = 0; i < list->count; i++) { + strncpy(eabuf, strsep((char**)&str, " "), ETHER_ADDR_STR_LEN - 1); + if (!(ret = bcm_ether_atoe(eabuf, &list->ea[i]))) { + ANDROID_ERROR(("%s : mac parsing err index=%d, addr=%s\n", + __FUNCTION__, i, eabuf)); + list->count--; + break; + } + ANDROID_INFO(("%s : %d/%d MACADDR=%s", __FUNCTION__, i, list->count, eabuf)); + } + /* set the list */ + if ((ret = wl_android_set_ap_mac_list(dev, macmode, list)) != 0) + ANDROID_ERROR(("%s : Setting MAC list failed error=%d\n", __FUNCTION__, ret)); + + kfree(list); + + return 0; +} + +/** + * 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) { +#ifdef POWER_OFF_IN_SUSPEND + g_netdev = dev; +#endif + 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; + } + } + 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) { + 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)); + } + + wldev_iovar_setint(dev, "ccx_enable", 0); + + 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_set_ibss_beacon_ouidata(struct net_device *dev, char *command, int total_len) +{ + char ie_buf[VNDR_IE_MAX_LEN]; + char *ioctl_buf = NULL; + char hex[] = "XX"; + char *pcmd = NULL; + int ielen = 0, datalen = 0, idx = 0, tot_len = 0; + vndr_ie_setbuf_t *vndr_ie = NULL; + s32 iecount; + uint32 pktflag; + u16 kflags = in_atomic() ? GFP_ATOMIC : GFP_KERNEL; + s32 err = BCME_OK; + + /* Check the VSIE (Vendor Specific IE) which was added. + * If exist then send IOVAR to delete it + */ + if (wl_cfg80211_ibss_vsie_delete(dev) != BCME_OK) { + return -EINVAL; + } + + pcmd = command + strlen(CMD_SETIBSSBEACONOUIDATA) + 1; + for (idx = 0; idx < DOT11_OUI_LEN; idx++) { + hex[0] = *pcmd++; + hex[1] = *pcmd++; + ie_buf[idx] = (uint8)simple_strtoul(hex, NULL, 16); + } + pcmd++; + while ((*pcmd != '\0') && (idx < VNDR_IE_MAX_LEN)) { + hex[0] = *pcmd++; + hex[1] = *pcmd++; + ie_buf[idx++] = (uint8)simple_strtoul(hex, NULL, 16); + datalen++; + } + tot_len = sizeof(vndr_ie_setbuf_t) + (datalen - 1); + vndr_ie = (vndr_ie_setbuf_t *) kzalloc(tot_len, kflags); + if (!vndr_ie) { + ANDROID_ERROR(("IE memory alloc failed\n")); + return -ENOMEM; + } + /* Copy the vndr_ie SET command ("add"/"del") to the buffer */ + strncpy(vndr_ie->cmd, "add", VNDR_IE_CMD_LEN - 1); + vndr_ie->cmd[VNDR_IE_CMD_LEN - 1] = '\0'; + + /* Set the IE count - the buffer contains only 1 IE */ + iecount = htod32(1); + memcpy((void *)&vndr_ie->vndr_ie_buffer.iecount, &iecount, sizeof(s32)); + + /* Set packet flag to indicate that BEACON's will contain this IE */ + pktflag = htod32(VNDR_IE_BEACON_FLAG | VNDR_IE_PRBRSP_FLAG); + memcpy((void *)&vndr_ie->vndr_ie_buffer.vndr_ie_list[0].pktflag, &pktflag, + sizeof(u32)); + /* Set the IE ID */ + vndr_ie->vndr_ie_buffer.vndr_ie_list[0].vndr_ie_data.id = (uchar) DOT11_MNG_PROPR_ID; + + memcpy(&vndr_ie->vndr_ie_buffer.vndr_ie_list[0].vndr_ie_data.oui, &ie_buf, + DOT11_OUI_LEN); + memcpy(&vndr_ie->vndr_ie_buffer.vndr_ie_list[0].vndr_ie_data.data, + &ie_buf[DOT11_OUI_LEN], datalen); + + ielen = DOT11_OUI_LEN + datalen; + vndr_ie->vndr_ie_buffer.vndr_ie_list[0].vndr_ie_data.len = (uchar) ielen; + + ioctl_buf = kmalloc(WLC_IOCTL_MEDLEN, GFP_KERNEL); + if (!ioctl_buf) { + ANDROID_ERROR(("ioctl memory alloc failed\n")); + if (vndr_ie) { + kfree(vndr_ie); + } + return -ENOMEM; + } + memset(ioctl_buf, 0, WLC_IOCTL_MEDLEN); /* init the buffer */ + err = wldev_iovar_setbuf(dev, "ie", vndr_ie, tot_len, ioctl_buf, WLC_IOCTL_MEDLEN, NULL); + + + if (err != BCME_OK) { + err = -EINVAL; + if (vndr_ie) { + kfree(vndr_ie); + } + } + else { + /* do NOT free 'vndr_ie' for the next process */ + wl_cfg80211_ibss_vsie_set_buffer(vndr_ie, tot_len); + } + + if (ioctl_buf) { + kfree(ioctl_buf); + } + + return err; +} + +static int +wl_android_iolist_add(struct net_device *dev, struct list_head *head, struct io_cfg *config) +{ + struct io_cfg *resume_cfg; + s32 ret; + + resume_cfg = kzalloc(sizeof(struct io_cfg), GFP_KERNEL); + if (!resume_cfg) + return -ENOMEM; + + if (config->iovar) { + ret = wldev_iovar_getint(dev, config->iovar, &resume_cfg->param); + if (ret) { + ANDROID_ERROR(("%s: Failed to get current %s value\n", + __FUNCTION__, config->iovar)); + goto error; + } + + ret = wldev_iovar_setint(dev, config->iovar, config->param); + if (ret) { + ANDROID_ERROR(("%s: Failed to set %s to %d\n", __FUNCTION__, + config->iovar, config->param)); + goto error; + } + + resume_cfg->iovar = config->iovar; + } else { + resume_cfg->arg = kzalloc(config->len, GFP_KERNEL); + if (!resume_cfg->arg) { + ret = -ENOMEM; + goto error; + } + ret = wldev_ioctl(dev, config->ioctl, resume_cfg->arg, config->len, false); + if (ret) { + ANDROID_ERROR(("%s: Failed to get ioctl %d\n", __FUNCTION__, + config->ioctl)); + goto error; + } + ret = wldev_ioctl(dev, config->ioctl + 1, config->arg, config->len, true); + if (ret) { + ANDROID_ERROR(("%s: Failed to set %s to %d\n", __FUNCTION__, + config->iovar, config->param)); + goto error; + } + if (config->ioctl + 1 == WLC_SET_PM) + wl_cfg80211_update_power_mode(dev); + resume_cfg->ioctl = config->ioctl; + resume_cfg->len = config->len; + } + + list_add(&resume_cfg->list, head); + + return 0; +error: + kfree(resume_cfg->arg); + kfree(resume_cfg); + return ret; +} + +static void +wl_android_iolist_resume(struct net_device *dev, struct list_head *head) +{ + struct io_cfg *config; + struct list_head *cur, *q; + s32 ret = 0; + + list_for_each_safe(cur, q, head) { + config = list_entry(cur, struct io_cfg, list); + if (config->iovar) { + if (!ret) + ret = wldev_iovar_setint(dev, config->iovar, + config->param); + } else { + if (!ret) + ret = wldev_ioctl(dev, config->ioctl + 1, + config->arg, config->len, true); + if (config->ioctl + 1 == WLC_SET_PM) + wl_cfg80211_update_power_mode(dev); + kfree(config->arg); + } + list_del(cur); + kfree(config); + } +} + +static int +wl_android_set_miracast(struct net_device *dev, char *command, int total_len) +{ + int mode, val; + int ret = 0; + struct io_cfg config; + + if (sscanf(command, "%*s %d", &mode) != 1) { + ANDROID_ERROR(("%s: Failed to get Parameter\n", __FUNCTION__)); + return -1; + } + + ANDROID_INFO(("%s: enter miracast mode %d\n", __FUNCTION__, mode)); + + if (miracast_cur_mode == mode) + return 0; + + wl_android_iolist_resume(dev, &miracast_resume_list); + miracast_cur_mode = MIRACAST_MODE_OFF; + + switch (mode) { + case MIRACAST_MODE_SOURCE: + /* setting mchan_algo to platform specific value */ + config.iovar = "mchan_algo"; + config.param = MIRACAST_MCHAN_ALGO; + ret = wl_android_iolist_add(dev, &miracast_resume_list, &config); + if (ret) + goto resume; + + /* setting mchan_bw to platform specific value */ + config.iovar = "mchan_bw"; + config.param = MIRACAST_MCHAN_BW; + ret = wl_android_iolist_add(dev, &miracast_resume_list, &config); + if (ret) + goto resume; + + /* setting apmdu to platform specific value */ + config.iovar = "ampdu_mpdu"; + config.param = MIRACAST_AMPDU_SIZE; + ret = wl_android_iolist_add(dev, &miracast_resume_list, &config); + if (ret) + goto resume; + /* FALLTROUGH */ + /* Source mode shares most configurations with sink mode. + * Fall through here to avoid code duplication + */ + case MIRACAST_MODE_SINK: + /* disable internal roaming */ + config.iovar = "roam_off"; + config.param = 1; + ret = wl_android_iolist_add(dev, &miracast_resume_list, &config); + if (ret) + goto resume; + /* tunr off pm */ + val = 0; + config.iovar = NULL; + config.ioctl = WLC_GET_PM; + config.arg = &val; + config.len = sizeof(int); + ret = wl_android_iolist_add(dev, &miracast_resume_list, &config); + if (ret) + goto resume; + + break; + case MIRACAST_MODE_OFF: + default: + break; + } + miracast_cur_mode = mode; + + return 0; + +resume: + ANDROID_ERROR(("%s: turnoff miracast mode because of err%d\n", __FUNCTION__, ret)); + wl_android_iolist_resume(dev, &miracast_resume_list); + return ret; +} + +int +wl_android_get_channel( +struct net_device *dev, char* command, int total_len) +{ + int ret; + channel_info_t ci; + int bytes_written = 0; + + if (!(ret = wldev_ioctl(dev, WLC_GET_CHANNEL, &ci, sizeof(channel_info_t), FALSE))) { + ANDROID_TRACE(("hw_channel %d\n", ci.hw_channel)); + ANDROID_TRACE(("target_channel %d\n", ci.target_channel)); + ANDROID_TRACE(("scan_channel %d\n", ci.scan_channel)); + bytes_written = snprintf(command, sizeof(channel_info_t)+2, "channel %d", ci.hw_channel); + ANDROID_TRACE(("%s: command result is %s\n", __FUNCTION__, command)); + } + + return bytes_written; +} + +int +wl_android_set_roam_trigger( +struct net_device *dev, char* command, int total_len) +{ + int ret = 0; + int roam_trigger[2]; + + sscanf(command, "%*s %10d", &roam_trigger[0]); + roam_trigger[1] = WLC_BAND_ALL; + + ret = wldev_ioctl(dev, WLC_SET_ROAM_TRIGGER, roam_trigger, sizeof(roam_trigger), 1); + if (ret) + ANDROID_ERROR(("WLC_SET_ROAM_TRIGGER ERROR %d ret=%d\n", roam_trigger[0], ret)); + + return ret; +} + +int +wl_android_get_roam_trigger( +struct net_device *dev, char *command, int total_len) +{ + int ret; + int bytes_written; + int roam_trigger[2] = {0, 0}; + int trigger[2]= {0, 0}; + + roam_trigger[1] = WLC_BAND_2G; + ret = wldev_ioctl(dev, WLC_GET_ROAM_TRIGGER, roam_trigger, sizeof(roam_trigger), 0); + if (!ret) + trigger[0] = roam_trigger[0]; + else + ANDROID_ERROR(("2G WLC_GET_ROAM_TRIGGER ERROR %d ret=%d\n", roam_trigger[0], ret)); + + roam_trigger[1] = WLC_BAND_5G; + ret = wldev_ioctl(dev, WLC_GET_ROAM_TRIGGER, roam_trigger, sizeof(roam_trigger), 0); + if (!ret) + trigger[1] = roam_trigger[0]; + else + ANDROID_ERROR(("5G WLC_GET_ROAM_TRIGGER ERROR %d ret=%d\n", roam_trigger[0], ret)); + + ANDROID_TRACE(("roam_trigger %d %d\n", trigger[0], trigger[1])); + bytes_written = snprintf(command, total_len, "%d %d", trigger[0], trigger[1]); + + return bytes_written; +} + +s32 +wl_android_set_keep_alive(struct net_device *dev, char* command, int total_len) +{ + char *buf; + const char *str; + wl_mkeep_alive_pkt_t mkeep_alive_pkt; + wl_mkeep_alive_pkt_t *mkeep_alive_pktp; + int buf_len; + int str_len; + int res = -1; + uint period_msec = 0; + + ANDROID_TRACE(("%s: command = %s\n", __FUNCTION__, command)); + + buf = kmalloc(WLC_IOCTL_MAXLEN, GFP_KERNEL); + sscanf(command, "%d", &period_msec); + memset(&mkeep_alive_pkt, 0, sizeof(wl_mkeep_alive_pkt_t)); + str = "mkeep_alive"; + str_len = strlen(str); + strncpy(buf, str, str_len); + buf[str_len] = '\0'; + mkeep_alive_pktp = (wl_mkeep_alive_pkt_t *) (buf + str_len + 1); + mkeep_alive_pkt.period_msec = period_msec; + buf_len = str_len + 1; + mkeep_alive_pkt.version = htod16(WL_MKEEP_ALIVE_VERSION); + mkeep_alive_pkt.length = htod16(WL_MKEEP_ALIVE_FIXED_LEN); + mkeep_alive_pkt.keep_alive_id = 0; + mkeep_alive_pkt.len_bytes = 0; + buf_len += WL_MKEEP_ALIVE_FIXED_LEN; + /* Keep-alive attributes are set in local variable (mkeep_alive_pkt), and + * then memcpy'ed into buffer (mkeep_alive_pktp) since there is no + * guarantee that the buffer is properly aligned. + */ + memcpy((char *)mkeep_alive_pktp, &mkeep_alive_pkt, WL_MKEEP_ALIVE_FIXED_LEN); + + if ((res = wldev_ioctl(dev, WLC_SET_VAR, buf, buf_len, TRUE)) != 0) + ANDROID_ERROR(("%s: mkeep_alive set failed. res[%d]\n", __FUNCTION__, res)); + + kfree(buf); + return res; +} + +s32 +wl_android_get_keep_alive(struct net_device *dev, char *command, int total_len) { + + wl_mkeep_alive_pkt_t *mkeep_alive_pktp; + int bytes_written = -1; + int res = -1, len, i = 0; + char* str = "mkeep_alive"; + + ANDROID_TRACE(("%s: command = %s\n", __FUNCTION__, command)); + + len = WLC_IOCTL_MEDLEN; + mkeep_alive_pktp = kmalloc(len, GFP_KERNEL); + memset(mkeep_alive_pktp, 0, len); + strcpy((char*)mkeep_alive_pktp, str); + + if ((res = wldev_ioctl(dev, WLC_GET_VAR, mkeep_alive_pktp, len, FALSE))<0) { + ANDROID_ERROR(("%s: GET mkeep_alive ERROR %d\n", __FUNCTION__, res)); + goto exit; + } else { + printf("Id :%d\n" + "Period (msec) :%d\n" + "Length :%d\n" + "Packet :0x", + mkeep_alive_pktp->keep_alive_id, + dtoh32(mkeep_alive_pktp->period_msec), + dtoh16(mkeep_alive_pktp->len_bytes)); + for (i=0; i<mkeep_alive_pktp->len_bytes; i++) { + printf("%02x", mkeep_alive_pktp->data[i]); + } + printf("\n"); + } + bytes_written = snprintf(command, total_len, "mkeep_alive_period_msec %d ", dtoh32(mkeep_alive_pktp->period_msec)); + bytes_written += snprintf(command+bytes_written, total_len, "0x"); + for (i=0; i<mkeep_alive_pktp->len_bytes; i++) { + bytes_written += snprintf(command+bytes_written, total_len, "%x", mkeep_alive_pktp->data[i]); + } + ANDROID_TRACE(("%s: command result is %s\n", __FUNCTION__, command)); + +exit: + kfree(mkeep_alive_pktp); + return bytes_written; +} + +int +wl_android_set_pm(struct net_device *dev,char *command, int total_len) +{ + int pm, ret = -1; + + ANDROID_TRACE(("%s: cmd %s\n", __FUNCTION__, command)); + + sscanf(command, "%*s %d", &pm); + + ret = wldev_ioctl(dev, WLC_SET_PM, &pm, sizeof(pm), FALSE); + if (ret) + ANDROID_ERROR(("WLC_SET_PM ERROR %d ret=%d\n", pm, ret)); + + return ret; +} + +int +wl_android_get_pm(struct net_device *dev,char *command, int total_len) +{ + + int ret = 0; + int pm_local; + char *pm; + int bytes_written=-1; + + ret = wldev_ioctl(dev, WLC_GET_PM, &pm_local, sizeof(pm_local),FALSE); + if (!ret) { + ANDROID_TRACE(("%s: PM = %d\n", __func__, pm_local)); + if (pm_local == PM_OFF) + pm = "PM_OFF"; + else if(pm_local == PM_MAX) + pm = "PM_MAX"; + else if(pm_local == PM_FAST) + pm = "PM_FAST"; + else { + pm_local = 0; + pm = "Invalid"; + } + bytes_written = snprintf(command, total_len, "PM %s", pm); + ANDROID_TRACE(("%s: command result is %s\n", __FUNCTION__, command)); + } + return bytes_written; +} + +static int +wl_android_set_monitor(struct net_device *dev, char *command, int total_len) +{ + int val; + int ret = 0; + int bytes_written; + + sscanf(command, "%*s %d", &val); + bytes_written = wldev_ioctl(dev, WLC_SET_MONITOR, &val, sizeof(int), 1); + if (bytes_written) + ANDROID_ERROR(("WLC_SET_MONITOR ERROR %d ret=%d\n", val, ret)); + return bytes_written; +} + +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; + goto exit; + } + command = kmalloc((priv_cmd.total_len + 1), 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; + } + command[priv_cmd.total_len] = '\0'; + + 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'; + + if (dhd_conf_get_band(bcmsdh_get_drvdata()) != WLC_BAND_AUTO) { + printf("%s: Band is fixed in config.txt\n", __FUNCTION__); + goto exit; + } + +#ifdef WL_HOST_BAND_MGMT + s32 ret = 0; + if ((ret = wl_cfg80211_set_band(net, band)) < 0) { + if (ret == BCME_UNSUPPORTED) { + /* If roam_var is unsupported, fallback to the original method */ + ANDROID_ERROR(("WL_HOST_BAND_MGMT defined, " + "but roam_band iovar unsupported in the firmware\n")); + } else { + bytes_written = -1; + goto exit; + } + } + if ((band == WLC_BAND_AUTO) || (ret == BCME_UNSUPPORTED)) + 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, true, true); + } +#endif /* WL_CFG80211 */ + +#ifdef PNO_SUPPORT + else if (strnicmp(command, CMD_PNOSSIDCLR_SET, strlen(CMD_PNOSSIDCLR_SET)) == 0) { + bytes_written = dhd_dev_pno_stop_for_ssid(net); + } +#ifndef WL_SCHED_SCAN + 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); + } +#endif /* !WL_SCHED_SCAN */ + else if (strnicmp(command, CMD_PNOENABLE_SET, strlen(CMD_PNOENABLE_SET)) == 0) { + int enable = *(command + strlen(CMD_PNOENABLE_SET) + 1) - '0'; + bytes_written = (enable)? 0 : dhd_dev_pno_stop_for_ssid(net); + } + else if (strnicmp(command, CMD_WLS_BATCHING, strlen(CMD_WLS_BATCHING)) == 0) { + bytes_written = wls_parse_batching_cmd(net, command, priv_cmd.total_len); + } +#endif /* PNO_SUPPORT */ + 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); + } +#ifdef WL_SDO + else if (strnicmp(command, CMD_P2P_SD_OFFLOAD, strlen(CMD_P2P_SD_OFFLOAD)) == 0) { + u8 *buf = command; + u8 *cmd_id = NULL; + int len; + + cmd_id = strsep((char **)&buf, " "); + /* if buf == NULL, means no arg */ + if (buf == NULL) + len = 0; + else + len = strlen(buf); + + bytes_written = wl_cfg80211_sd_offload(net, cmd_id, buf, len); + } +#endif /* WL_SDO */ +#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); +#ifdef BCMCCX + else if (strnicmp(command, CMD_GETCCKM_RN, strlen(CMD_GETCCKM_RN)) == 0) { + bytes_written = wl_android_get_cckm_rn(net, command); + } + else if (strnicmp(command, CMD_SETCCKM_KRK, strlen(CMD_SETCCKM_KRK)) == 0) { + bytes_written = wl_android_set_cckm_krk(net, command); + } + else if (strnicmp(command, CMD_GET_ASSOC_RES_IES, strlen(CMD_GET_ASSOC_RES_IES)) == 0) { + bytes_written = wl_android_get_assoc_res_ies(net, command); + } +#endif /* BCMCCX */ +#if defined(WL_SUPPORT_AUTO_CHANNEL) + else if (strnicmp(command, CMD_GET_BEST_CHANNELS, + strlen(CMD_GET_BEST_CHANNELS)) == 0) { + bytes_written = wl_cfg80211_get_best_channels(net, command, + priv_cmd.total_len); + } +#endif /* WL_SUPPORT_AUTO_CHANNEL */ + else if (strnicmp(command, CMD_HAPD_MAC_FILTER, strlen(CMD_HAPD_MAC_FILTER)) == 0) { + int skip = strlen(CMD_HAPD_MAC_FILTER) + 1; + wl_android_set_mac_address_filter(net, (const char*)command+skip); + } + else if (strnicmp(command, CMD_SETROAMMODE, strlen(CMD_SETROAMMODE)) == 0) + bytes_written = wl_android_set_roam_mode(net, command, priv_cmd.total_len); + else if (strnicmp(command, CMD_MIRACAST, strlen(CMD_MIRACAST)) == 0) + bytes_written = wl_android_set_miracast(net, command, priv_cmd.total_len); + else if (strnicmp(command, CMD_SETIBSSBEACONOUIDATA, + strlen(CMD_SETIBSSBEACONOUIDATA)) == 0) + bytes_written = wl_android_set_ibss_beacon_ouidata(net, command, + priv_cmd.total_len); + else if(strnicmp(command, CMD_GET_CHANNEL, strlen(CMD_GET_CHANNEL)) == 0) { + bytes_written = wl_android_get_channel(net, command, priv_cmd.total_len); + } + else if (strnicmp(command, CMD_SET_ROAM, strlen(CMD_SET_ROAM)) == 0) { + bytes_written = wl_android_set_roam_trigger(net, command, priv_cmd.total_len); + } + else if (strnicmp(command, CMD_GET_ROAM, strlen(CMD_GET_ROAM)) == 0) { + bytes_written = wl_android_get_roam_trigger(net, command, priv_cmd.total_len); + } + else if (strnicmp(command, CMD_SET_KEEP_ALIVE, strlen(CMD_SET_KEEP_ALIVE)) == 0) { + int skip = strlen(CMD_SET_KEEP_ALIVE) + 1; + bytes_written = wl_android_set_keep_alive(net, command+skip, priv_cmd.total_len-skip); + } + else if (strnicmp(command, CMD_GET_KEEP_ALIVE, strlen(CMD_GET_KEEP_ALIVE)) == 0) { + int skip = strlen(CMD_GET_KEEP_ALIVE) + 1; + bytes_written = wl_android_get_keep_alive(net, command+skip, priv_cmd.total_len-skip); + } + else if (strnicmp(command, CMD_GET_PM, strlen(CMD_GET_PM)) == 0) { + bytes_written = wl_android_get_pm(net, command, priv_cmd.total_len); + } + else if (strnicmp(command, CMD_SET_PM, strlen(CMD_SET_PM)) == 0) { + bytes_written = wl_android_set_pm(net, command, priv_cmd.total_len); + } + else if (strnicmp(command, CMD_MONITOR, strlen(CMD_MONITOR)) == 0) + bytes_written = wl_android_set_monitor(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); + } + +#ifdef WL_GENL + wl_genl_init(); +#endif + + return ret; +} + +int wl_android_exit(void) +{ + int ret = 0; + +#ifdef WL_GENL + wl_genl_deinit(); +#endif /* WL_GENL */ + + return ret; +} + +void wl_android_post_init(void) +{ + +#ifdef ENABLE_4335BT_WAR + bcm_bt_unlock(lock_cookie_wifi); + printk("%s: btlock released\n", __FUNCTION__); +#endif /* ENABLE_4335BT_WAR */ + + 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 = FALSE; + } +} + +#ifdef WL_GENL +/* Generic Netlink Initializaiton */ +static int wl_genl_init(void) +{ + int ret; + + ANDROID_TRACE(("GEN Netlink Init\n\n")); + + /* register new family */ + ret = genl_register_family(&wl_genl_family); + if (ret != 0) + goto failure; + + /* register functions (commands) of the new family */ + ret = genl_register_ops(&wl_genl_family, &wl_genl_ops); + if (ret != 0) { + ANDROID_ERROR(("register ops failed: %i\n", ret)); + genl_unregister_family(&wl_genl_family); + goto failure; + } + + ret = genl_register_mc_group(&wl_genl_family, &wl_genl_mcast); + if (ret != 0) { + ANDROID_ERROR(("register mc_group failed: %i\n", ret)); + genl_unregister_ops(&wl_genl_family, &wl_genl_ops); + genl_unregister_family(&wl_genl_family); + goto failure; + } + + return 0; + +failure: + ANDROID_ERROR(("Registering Netlink failed!!\n")); + return -1; +} + +/* Generic netlink deinit */ +static int wl_genl_deinit(void) +{ + if (genl_unregister_ops(&wl_genl_family, &wl_genl_ops) < 0) + ANDROID_ERROR(("Unregister wl_genl_ops failed\n")); + + if (genl_unregister_family(&wl_genl_family) < 0) + ANDROID_ERROR(("Unregister wl_genl_ops failed\n")); + + return 0; +} + +s32 wl_event_to_bcm_event(u16 event_type) +{ + u16 event = -1; + + switch (event_type) { + case WLC_E_SERVICE_FOUND: + event = BCM_E_SVC_FOUND; + break; + case WLC_E_P2PO_ADD_DEVICE: + event = BCM_E_DEV_FOUND; + break; + case WLC_E_P2PO_DEL_DEVICE: + event = BCM_E_DEV_LOST; + break; + /* Above events are supported from BCM Supp ver 47 Onwards */ + + default: + ANDROID_ERROR(("Event not supported\n")); + } + + return event; +} + +s32 +wl_genl_send_msg( + struct net_device *ndev, + u32 event_type, + u8 *buf, + u16 len, + u8 *subhdr, + u16 subhdr_len) +{ + int ret = 0; + struct sk_buff *skb; + void *msg; + u32 attr_type = 0; + bcm_event_hdr_t *hdr = NULL; + int mcast = 1; /* By default sent as mutlicast type */ + int pid = 0; + u8 *ptr = NULL, *p = NULL; + u32 tot_len = sizeof(bcm_event_hdr_t) + subhdr_len + len; + u16 kflags = in_atomic() ? GFP_ATOMIC : GFP_KERNEL; + + + ANDROID_TRACE(("Enter \n")); + + /* Decide between STRING event and Data event */ + if (event_type == 0) + attr_type = BCM_GENL_ATTR_STRING; + else + attr_type = BCM_GENL_ATTR_MSG; + + skb = genlmsg_new(NLMSG_GOODSIZE, kflags); + if (skb == NULL) { + ret = -ENOMEM; + goto out; + } + + msg = genlmsg_put(skb, 0, 0, &wl_genl_family, 0, BCM_GENL_CMD_MSG); + if (msg == NULL) { + ret = -ENOMEM; + goto out; + } + + + if (attr_type == BCM_GENL_ATTR_STRING) { + /* Add a BCM_GENL_MSG attribute. Since it is specified as a string. + * make sure it is null terminated + */ + if (subhdr || subhdr_len) { + ANDROID_ERROR(("No sub hdr support for the ATTR STRING type \n")); + ret = -EINVAL; + goto out; + } + + ret = nla_put_string(skb, BCM_GENL_ATTR_STRING, buf); + if (ret != 0) { + ANDROID_ERROR(("nla_put_string failed\n")); + goto out; + } + } else { + /* ATTR_MSG */ + + /* Create a single buffer for all */ + p = ptr = kzalloc(tot_len, kflags); + if (!ptr) { + ret = -ENOMEM; + ANDROID_ERROR(("ENOMEM!!\n")); + goto out; + } + + /* Include the bcm event header */ + hdr = (bcm_event_hdr_t *)ptr; + hdr->event_type = wl_event_to_bcm_event(event_type); + hdr->len = len + subhdr_len; + ptr += sizeof(bcm_event_hdr_t); + + /* Copy subhdr (if any) */ + if (subhdr && subhdr_len) { + memcpy(ptr, subhdr, subhdr_len); + ptr += subhdr_len; + } + + /* Copy the data */ + if (buf && len) { + memcpy(ptr, buf, len); + } + + ret = nla_put(skb, BCM_GENL_ATTR_MSG, tot_len, p); + if (ret != 0) { + ANDROID_ERROR(("nla_put_string failed\n")); + goto out; + } + } + + if (mcast) { + int err = 0; + /* finalize the message */ + genlmsg_end(skb, msg); + /* NETLINK_CB(skb).dst_group = 1; */ + if ((err = genlmsg_multicast(skb, 0, wl_genl_mcast.id, GFP_ATOMIC)) < 0) + ANDROID_ERROR(("genlmsg_multicast for attr(%d) failed. Error:%d \n", + attr_type, err)); + else + ANDROID_TRACE(("Multicast msg sent successfully. attr_type:%d len:%d \n", + attr_type, tot_len)); + } else { + NETLINK_CB(skb).dst_group = 0; /* Not in multicast group */ + + /* finalize the message */ + genlmsg_end(skb, msg); + + /* send the message back */ + if (genlmsg_unicast(&init_net, skb, pid) < 0) + ANDROID_ERROR(("genlmsg_unicast failed\n")); + } + +out: + if (p) + kfree(p); + if (ret) + nlmsg_free(skb); + + return ret; +} + +static s32 +wl_genl_handle_msg( + struct sk_buff *skb, + struct genl_info *info) +{ + struct nlattr *na; + u8 *data = NULL; + + ANDROID_TRACE(("Enter \n")); + + if (info == NULL) { + return -EINVAL; + } + + na = info->attrs[BCM_GENL_ATTR_MSG]; + if (!na) { + ANDROID_ERROR(("nlattribute NULL\n")); + return -EINVAL; + } + + data = (char *)nla_data(na); + if (!data) { + ANDROID_ERROR(("Invalid data\n")); + return -EINVAL; + } else { + /* Handle the data */ +#if !defined(WL_CFG80211_P2P_DEV_IF) && (LINUX_VERSION_CODE < KERNEL_VERSION(3, 6, 0)) + ANDROID_TRACE(("%s: Data received from pid (%d) \n", __func__, + info->snd_pid)); +#else + ANDROID_TRACE(("%s: Data received from pid (%d) \n", __func__, + info->snd_portid)); +#endif /* !WL_CFG80211_P2P_DEV_IF && (LINUX_VERSION < VERSION(3, 6, 0) */ + } + + return 0; +} +#endif /* WL_GENL */ + +/** + * Functions for Android WiFi card detection + */ +#if defined(CONFIG_WIFI_CONTROL_FUNC) + +bool g_wifi_poweron = FALSE; +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 struct regulator *wifi_regulator = 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) +{ + int ret = 0; + ANDROID_ERROR(("%s = %d\n", __FUNCTION__, on)); + if (wifi_regulator && on) + ret = regulator_enable(wifi_regulator); + if (wifi_control_data && wifi_control_data->set_power) { +#ifdef ENABLE_4335BT_WAR + if (on) { + printk("WiFi: trying to acquire BT lock\n"); + if (bcm_bt_lock(lock_cookie_wifi) != 0) + printk("** WiFi: timeout in acquiring bt lock**\n"); + printk("%s: btlock acquired\n", __FUNCTION__); + } + else { + /* For a exceptional case, release btlock */ + bcm_bt_unlock(lock_cookie_wifi); + } +#endif /* ENABLE_4335BT_WAR */ + ret = wifi_control_data->set_power(on); + } + + if (wifi_regulator && !on) + ret = regulator_disable(wifi_regulator); + + if (msec && !ret) + OSL_SLEEP(msec); + return ret; +} + +#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 struct resource *get_wifi_irqres_from_of(struct platform_device *pdev) +{ + static struct resource gpio_wifi_irqres; + int irq; + int gpio = of_get_gpio(pdev->dev.of_node, 0); + if (gpio < 0) + return NULL; + irq = gpio_to_irq(gpio); + if (irq < 0) + return NULL; + + gpio_wifi_irqres.name = "bcmdhd_wlan_irq"; + gpio_wifi_irqres.start = irq; + gpio_wifi_irqres.end = irq; + gpio_wifi_irqres.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL | + IORESOURCE_IRQ_SHAREABLE; + + return &gpio_wifi_irqres; +} + +static int wifi_probe(struct platform_device *pdev) +{ + int err; + struct regulator *regulator; + struct wifi_platform_data *wifi_ctrl = + (struct wifi_platform_data *)(pdev->dev.platform_data); + + if (!wifi_ctrl) { + regulator = regulator_get(&pdev->dev, "wlreg_on"); + if (IS_ERR(regulator)) + return PTR_ERR(regulator); + wifi_regulator = regulator; + } + + 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"); + if (wifi_irqres == NULL) + wifi_irqres = get_wifi_irqres_from_of(pdev); + wifi_control_data = wifi_ctrl; + err = wifi_set_power(1, 200); /* Power On */ + if (unlikely(err)) { + ANDROID_ERROR(("%s: set_power failed. err=%d\n", __FUNCTION__, err)); + wifi_set_power(0, WIFI_TURNOFF_DELAY); + /* WL_REG_ON state unknown, Power off forcely */ + } else { + wifi_set_carddetect(1); /* CardDetect (0->1) */ + g_wifi_poweron = TRUE; + } + + 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); + struct io_cfg *cur, *q; + + ANDROID_ERROR(("## %s\n", __FUNCTION__)); + wifi_control_data = wifi_ctrl; + + if (g_wifi_poweron) { + wifi_set_power(0, WIFI_TURNOFF_DELAY); /* Power Off */ + wifi_set_carddetect(0); /* CardDetect (1->0) */ + g_wifi_poweron = FALSE; + list_for_each_entry_safe(cur, q, &miracast_resume_list, list) { + list_del(&cur->list); + kfree(cur); + } + } + if (wifi_regulator) { + regulator_put(wifi_regulator); + wifi_regulator = NULL; + } + + up(&wifi_control_sem); + return 0; +} + +static int wifi_suspend(struct platform_device *pdev, pm_message_t state) +{ + ANDROID_TRACE(("##> %s\n", __FUNCTION__)); +#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 const struct of_device_id wifi_device_dt_match[] = { + { .compatible = "android,bcmdhd_wlan", }, + {}, +}; +MODULE_DEVICE_TABLE(of, wifi_device_dt_match); + +static struct platform_driver wifi_device = { + .probe = wifi_probe, + .remove = wifi_remove, + .suspend = wifi_suspend, + .resume = wifi_resume, + .driver = { + .name = "bcmdhd_wlan", + .of_match_table = wifi_device_dt_match, + } +}; + +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; + struct timeval now; + + do_gettimeofday(&now); + + rssi_head = &rssi_cache_ctrl->m_cache_head; + node = *rssi_head; + prev = node; + for (;node;) { + i++; + if (now.tv_sec > node->tv.tv_sec) { + 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; + struct timeval now, timeout; + + if (!g_wifi_on) + return 0; + + 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; + } + + do_gettimeofday(&now); + timeout.tv_sec = now.tv_sec + RSSICACHE_TIMEOUT; + if (timeout.tv_sec < now.tv_sec) { + /* + * Integer overflow - assume long enough timeout to be assumed + * to be infinite, i.e., the timeout would never happen. + */ + ANDROID_TRACE(("%s: Too long timeout (secs=%d) to ever happen - now=%lu, timeout=%lu", + __FUNCTION__, RSSICACHE_TIMEOUT, now.tv_sec, timeout.tv_sec)); + } + + /* 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; + node->tv = timeout; + 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; + leaf->tv = timeout; + 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; + struct timeval now, timeout; + + if (!ss_list->count) + return; + + do_gettimeofday(&now); + timeout.tv_sec = now.tv_sec + RSSICACHE_TIMEOUT; + if (timeout.tv_sec < now.tv_sec) { + /* + * Integer overflow - assume long enough timeout to be assumed + * to be infinite, i.e., the timeout would never happen. + */ + ANDROID_TRACE(("%s: Too long timeout (secs=%d) to ever happen - now=%lu, timeout=%lu", + __FUNCTION__, RSSICACHE_TIMEOUT, now.tv_sec, timeout.tv_sec)); + } + + 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; + node->tv = timeout; + 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; + leaf->tv = timeout; + 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=RSSI_MINVAL; + + rssi_head = &rssi_cache_ctrl->m_cache_head; + + 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; + } + rssi = MIN(rssi, RSSI_MAXVAL); + if (rssi == RSSI_MINVAL) { + 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; + + if (!g_wifi_on) + return rssi; + + 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_OFFSET_MINVAL+RSSI_OFFSET_INTVAL*(j+1)) < 0) + break; + } + rssi += j; +#else + rssi += RSSI_OFFSET; +#endif + } + return MIN(rssi, RSSI_MAXVAL); +} +#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; + struct timeval now; + + do_gettimeofday(&now); + + bss_head = &bss_cache_ctrl->m_cache_head; + node = *bss_head; + prev = node; + for (;node;) { + i++; + if (now.tv_sec > node->tv.tv_sec) { + 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; + struct timeval now, timeout; + + if (!ss_list->count) + return; + + do_gettimeofday(&now); + timeout.tv_sec = now.tv_sec + BSSCACHE_TIMEOUT; + if (timeout.tv_sec < now.tv_sec) { + /* + * Integer overflow - assume long enough timeout to be assumed + * to be infinite, i.e., the timeout would never happen. + */ + ANDROID_TRACE(("%s: Too long timeout (secs=%d) to ever happen - now=%lu, timeout=%lu", + __FUNCTION__, BSSCACHE_TIMEOUT, now.tv_sec, timeout.tv_sec)); + } + + 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->tv = timeout; + leaf->results.count = 1; + leaf->results.version = ss_list->version; + ANDROID_TRACE(("%s: Update %d with BSSID %pM, RSSI=%d, SSID \"%s\", length=%d\n", + __FUNCTION__, k, &bi->BSSID, dtoh16(bi->RSSI), bi->SSID, dtoh32(bi->length))); + 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->tv = timeout; + leaf->results.count = 1; + leaf->results.version = ss_list->version; + k++; + + if (!prev) + *bss_head = leaf; + else + prev->next = leaf; + } +} + +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); +} +#endif |