C++ (Cpp) net_os_send_hang_message Examples

Example #1

File: wl_android.c Project: AirShark/android_kernel_lenovo_redhookbay

int wl_android_priv_cmd(struct net_device *net, struct ifreq *ifr, int cmd)
{
	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;
	}
	command = kmalloc(priv_cmd.total_len, 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;
	}

	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_P2P_HANG, strlen(CMD_P2P_HANG)) == 0) {
		printk(KERN_ERR "WL: Make an hang for reset test\n");
		bytes_written = net_os_send_hang_message(net);
	}
	else if (strnicmp(command, CMD_LINKSPEED, strlen(CMD_LINKSPEED)) == 0) {
		bytes_written = wl_android_get_link_speed(net, command, priv_cmd.total_len);
	}
	else if (strnicmp(command, CMD_RXFILTER_START, strlen(CMD_RXFILTER_START)) == 0) {
		bytes_written = net_os_set_packet_filter(net, 1);
	}
	else if (strnicmp(command, CMD_RXFILTER_STOP, strlen(CMD_RXFILTER_STOP)) == 0) {
		bytes_written = net_os_set_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);
	}
	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) {
		uint mode = *(command + strlen(CMD_BTCOEXMODE) + 1) - '0';

		if (mode == 1)
			net_os_set_packet_filter(net, 0); /* DHCP starts */
		else
			net_os_set_packet_filter(net, 1); /* DHCP ends */
#ifdef WL_CFG80211
		bytes_written = wl_cfg80211_set_btcoex_dhcp(net, command);
#endif
	}
	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';
		bytes_written = wldev_set_band(net, band);
	}
	else if (strnicmp(command, CMD_GETBAND, strlen(CMD_GETBAND)) == 0) {
		bytes_written = wl_android_get_band(net, command, priv_cmd.total_len);
	}
	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);
#ifdef WL_CFG80211
		wl_update_wiphybands(NULL);
#endif
	}
#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
	else if (strnicmp(command, CMD_P2P_DEV_ADDR, strlen(CMD_P2P_DEV_ADDR)) == 0) {
		bytes_written = wl_android_get_p2p_dev_addr(net, command, priv_cmd.total_len);
	}
	else if (strnicmp(command, CMD_P2P_SET_NOA, strlen(CMD_P2P_SET_NOA)) == 0) {
		int skip = strlen(CMD_P2P_SET_NOA) + 1;
		bytes_written = wl_cfg80211_set_p2p_noa(net, command + skip,
			priv_cmd.total_len - skip);
	}
#if !defined WL_ENABLE_P2P_IF
	else if (strnicmp(command, CMD_P2P_GET_NOA, strlen(CMD_P2P_GET_NOA)) == 0) {
		bytes_written = wl_cfg80211_get_p2p_noa(net, command, priv_cmd.total_len);
	}
#endif
	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 {
		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;
}

Example #2

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;
	}
	command = kmalloc(priv_cmd.total_len, 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;
	}
	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
		if (wl_cfg80211_set_band(net, band) < 0) {
			bytes_written = -1;
			goto exit;
		}
		if (band == WLC_BAND_AUTO)
			bytes_written = wldev_set_band(net, band);
#else
		bytes_written = wldev_set_band(net, band);
#endif /* WL_HOST_BAND_MGMT */
	}
	else if (strnicmp(command, CMD_GETBAND, strlen(CMD_GETBAND)) == 0) {
		bytes_written = wl_android_get_band(net, command, priv_cmd.total_len);
	}
#ifdef WL_CFG80211
	/* CUSTOMER_SET_COUNTRY feature is define for only GGSM model */
	else if (strnicmp(command, CMD_COUNTRY, strlen(CMD_COUNTRY)) == 0) {
		char *country_code = command + strlen(CMD_COUNTRY) + 1;
		bytes_written = wldev_set_country(net, country_code, 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 */
#if defined(WL_SUPPORT_AUTO_CHANNEL)
	else if (strnicmp(command, CMD_SET_HAPD_AUTO_CHANNEL,
		strlen(CMD_SET_HAPD_AUTO_CHANNEL)) == 0) {
		int skip = strlen(CMD_SET_HAPD_AUTO_CHANNEL) + 3;
		bytes_written = wl_android_set_auto_channel(net, (const char*)command+skip, command,
			priv_cmd.total_len);
	}
	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 */
#if defined(SUPPORT_TRIGGER_HANG_EVENT)
	else if (strnicmp(command, CMD_TEST_FORCE_HANG,
		strlen(CMD_TEST_FORCE_HANG)) == 0) {
		net_os_send_hang_message(net);
	}
#endif /* SUPPORT_TRIGGER_HANG_EVENT */
	else if (strnicmp(command, CMD_SETMIRACAST, strlen(CMD_SETMIRACAST)) == 0) {
		bytes_written = wldev_miracast_tuning(net, command, priv_cmd.total_len);
	} else if (strnicmp(command, CMD_ASSOCRESPIE, strlen(CMD_ASSOCRESPIE))
== 0)
		bytes_written = wldev_get_assoc_resp_ie(net, command,
priv_cmd.total_len);
	else if (strnicmp(command, CMD_MAXLINKSPEED, strlen(CMD_MAXLINKSPEED))
== 0)
		bytes_written = wldev_get_max_linkspeed(net, command,
priv_cmd.total_len);
	else if (strnicmp(command, CMD_OKC_SET_PMK, strlen(CMD_OKC_SET_PMK)) == 0)
		bytes_written = wl_android_set_pmk(net, command, priv_cmd.total_len);
	else if (strnicmp(command, CMD_OKC_ENABLE, strlen(CMD_OKC_ENABLE)) == 0)
		bytes_written = wl_android_okc_enable(net, command, priv_cmd.total_len);
	else if (strnicmp(command, CMD_SETROAMMODE, strlen(CMD_SETROAMMODE)) == 0)
		bytes_written = wl_android_set_roam_mode(net, command, priv_cmd.total_len);
	else {
		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;
}