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wl_android.c
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/*
* Linux cfg80211 driver - Android related functions
*
* Copyright (C) 1999-2013, 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 386778 2013-02-21 22:25:34Z $
*/
#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 */
/*
* 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"
#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 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;
#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);
#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 /* WK_CFG80211 */
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
#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;
#if defined(CUSTOMER_HW2)
extern char iface_name[IFNAMSIZ];
#endif
#ifndef WIFI_TURNOFF_DELAY
#define WIFI_TURNOFF_DELAY 0
#endif
/**
* 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);
DHD_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;
error = wldev_get_ssid(net, &ssid);
if (error)
return -1;
if ((ssid.SSID_len == 0) || (ssid.SSID_len > DOT11_MAX_SSID_LEN)) {
DHD_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);
DHD_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)))
DHD_INFO(("%s: Suspend Flag %d -> %d\n",
__FUNCTION__, ret_now, suspend_flag));
else
DHD_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)))
DHD_INFO(("%s: Suspend Mode %d\n", __FUNCTION__, suspend_flag));
else
DHD_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 */
DHD_INFO(("%s: command=%s, len=%d\n", __FUNCTION__, command, total_len));
if (total_len < (strlen(CMD_PNOSETUP_SET) + sizeof(cmd_tlv_t))) {
DHD_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) {
DHD_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)) {
DHD_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);
DHD_INFO(("%s: pno_time=%d\n", __FUNCTION__, pno_time));
if (str_ptr[0] != 0) {
if ((str_ptr[0] != PNO_TLV_FREQ_REPEAT)) {
DHD_ERROR(("%s pno repeat : corrupted field\n",
__FUNCTION__));
goto exit_proc;
}
str_ptr++;
pno_repeat = simple_strtoul(str_ptr, &str_ptr, 16);
DHD_INFO(("%s :got pno_repeat=%d\n", __FUNCTION__, pno_repeat));
if (str_ptr[0] != PNO_TLV_FREQ_EXPO_MAX) {
DHD_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);
DHD_INFO(("%s: pno_freq_expo_max=%d\n",
__FUNCTION__, pno_freq_expo_max));
}
}
} else {
DHD_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;
}
#ifdef BCMCCX
static int wl_android_get_cckm_rn(struct net_device *dev, char *command)
{
int error, rn;
WL_TRACE(("%s:wl_android_get_cckm_rn\n", dev->name));
error = wldev_iovar_getint(dev, "cckm_rn", &rn);
if (unlikely(error)) {
WL_ERR(("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];
WL_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))
{
WL_ERR((" 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;
WL_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)) {
WL_ERR(("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)) {
WL_ERR(("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 */
/**
* 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;
printk("%s in\n", __FUNCTION__);
if (!dev) {
DHD_ERROR(("%s: dev is null\n", __FUNCTION__));
return -EINVAL;
}
dhd_net_if_lock(dev);
if (!g_wifi_on) {
do {
dhd_customer_gpio_wlan_ctrl(WLAN_RESET_ON);
ret = sdioh_start(NULL, 0);
if (ret == 0)
break;
DHD_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) {
DHD_ERROR(("\nfailed to power up wifi chip, max retry reached **\n\n"));
goto exit;
}
ret = dhd_dev_reset(dev, FALSE);
sdioh_start(NULL, 1);
if (!ret) {
if (dhd_dev_init_ioctl(dev) < 0)
ret = -EFAULT;
}
#if defined(PROP_TXSTATUS) && !defined(PROP_TXSTATUS_VSDB)
dhd_wlfc_init(bcmsdh_get_drvdata());
#endif
g_wifi_on = TRUE;
}
exit:
dhd_net_if_unlock(dev);
return ret;
}
int wl_android_wifi_off(struct net_device *dev)
{
int ret = 0;
printk("%s in\n", __FUNCTION__);
if (!dev) {
DHD_TRACE(("%s: dev is null\n", __FUNCTION__));
return -EINVAL;
}
dhd_net_if_lock(dev);
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;
}
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) {
DHD_INFO(("GOT APSTA FIRMWARE\n"));
ap_fw_loaded = TRUE;
} else {
DHD_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) {
DHD_ERROR(("Failed to set PMK for OKC, error = %d\n", error));
}
#ifdef OKC_DEBUG
DHD_ERROR(("PMK is "));
for (i = 0; i < 32; i++)
DHD_ERROR(("%02X ", pmk[i]));
DHD_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) {
DHD_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) {
DHD_ERROR(("%s: Failed to get Parameter\n", __FUNCTION__));
return -1;
}
error = wldev_iovar_setint(dev, "roam_off", mode);
if (error) {
DHD_ERROR(("%s: Failed to set roaming Mode %d, error = %d\n",
__FUNCTION__, mode, error));
return -1;
}
else
DHD_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)
{
DHD_ERROR(("%s: too long priavte command\n", __FUNCTION__));
ret = -EINVAL;
goto exit;
}
command = kmalloc((priv_cmd.total_len + 1), GFP_KERNEL);
if (!command)
{
DHD_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';
DHD_INFO(("%s: Android private cmd \"%s\" on %s\n", __FUNCTION__, command, ifr->ifr_name));
if (strnicmp(command, CMD_START, strlen(CMD_START)) == 0) {
DHD_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) {
DHD_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
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 */
WL_ERR(("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 */
#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);
}
#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_SETROAMMODE, strlen(CMD_SETROAMMODE)) == 0)
bytes_written = wl_android_set_roam_mode(net, command, priv_cmd.total_len);
else {
DHD_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) {
DHD_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)) {
DHD_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;
#ifdef ENABLE_INSMOD_NO_FW_LOAD
dhd_download_fw_on_driverload = FALSE;
#endif /* ENABLE_INSMOD_NO_FW_LOAD */
#if defined(CUSTOMER_HW2)
if (!iface_name[0]) {
memset(iface_name, 0, IFNAMSIZ);
bcm_strncpy_s(iface_name, IFNAMSIZ, "wlan", IFNAMSIZ);
}
#endif
#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) {
/* Call customer gpio to turn off power with WL_REG_ON signal */
dhd_customer_gpio_wlan_ctrl(WLAN_RESET_OFF);
g_wifi_on = 0;
}
}
#ifdef WL_GENL
/* Generic Netlink Initializaiton */
static int wl_genl_init(void)
{
int ret;
WL_DBG(("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 */