| /* |
| * Driver for RNDIS based wireless USB devices. |
| * |
| * Copyright (C) 2007 by Bjorge Dijkstra <bjd@jooz.net> |
| * Copyright (C) 2008 by Jussi Kivilinna <jussi.kivilinna@mbnet.fi> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| * |
| * Portions of this file are based on NDISwrapper project, |
| * Copyright (C) 2003-2005 Pontus Fuchs, Giridhar Pemmasani |
| * http://ndiswrapper.sourceforge.net/ |
| */ |
| |
| // #define DEBUG // error path messages, extra info |
| // #define VERBOSE // more; success messages |
| |
| #include <linux/module.h> |
| #include <linux/init.h> |
| #include <linux/netdevice.h> |
| #include <linux/etherdevice.h> |
| #include <linux/ethtool.h> |
| #include <linux/workqueue.h> |
| #include <linux/mutex.h> |
| #include <linux/mii.h> |
| #include <linux/usb.h> |
| #include <linux/usb/cdc.h> |
| #include <linux/wireless.h> |
| #include <linux/if_arp.h> |
| #include <linux/ctype.h> |
| #include <linux/spinlock.h> |
| #include <net/iw_handler.h> |
| #include <net/ieee80211.h> |
| #include <linux/usb/usbnet.h> |
| #include <linux/usb/rndis_host.h> |
| |
| |
| /* NOTE: All these are settings for Broadcom chipset */ |
| static char modparam_country[4] = "EU"; |
| module_param_string(country, modparam_country, 4, 0444); |
| MODULE_PARM_DESC(country, "Country code (ISO 3166-1 alpha-2), default: EU"); |
| |
| static int modparam_frameburst = 1; |
| module_param_named(frameburst, modparam_frameburst, int, 0444); |
| MODULE_PARM_DESC(frameburst, "enable frame bursting (default: on)"); |
| |
| static int modparam_afterburner = 0; |
| module_param_named(afterburner, modparam_afterburner, int, 0444); |
| MODULE_PARM_DESC(afterburner, |
| "enable afterburner aka '125 High Speed Mode' (default: off)"); |
| |
| static int modparam_power_save = 0; |
| module_param_named(power_save, modparam_power_save, int, 0444); |
| MODULE_PARM_DESC(power_save, |
| "set power save mode: 0=off, 1=on, 2=fast (default: off)"); |
| |
| static int modparam_power_output = 3; |
| module_param_named(power_output, modparam_power_output, int, 0444); |
| MODULE_PARM_DESC(power_output, |
| "set power output: 0=25%, 1=50%, 2=75%, 3=100% (default: 100%)"); |
| |
| static int modparam_roamtrigger = -70; |
| module_param_named(roamtrigger, modparam_roamtrigger, int, 0444); |
| MODULE_PARM_DESC(roamtrigger, |
| "set roaming dBm trigger: -80=optimize for distance, " |
| "-60=bandwidth (default: -70)"); |
| |
| static int modparam_roamdelta = 1; |
| module_param_named(roamdelta, modparam_roamdelta, int, 0444); |
| MODULE_PARM_DESC(roamdelta, |
| "set roaming tendency: 0=aggressive, 1=moderate, " |
| "2=conservative (default: moderate)"); |
| |
| static int modparam_workaround_interval = 500; |
| module_param_named(workaround_interval, modparam_workaround_interval, |
| int, 0444); |
| MODULE_PARM_DESC(workaround_interval, |
| "set stall workaround interval in msecs (default: 500)"); |
| |
| |
| /* various RNDIS OID defs */ |
| #define OID_GEN_LINK_SPEED ccpu2(0x00010107) |
| #define OID_GEN_RNDIS_CONFIG_PARAMETER ccpu2(0x0001021b) |
| |
| #define OID_GEN_XMIT_OK ccpu2(0x00020101) |
| #define OID_GEN_RCV_OK ccpu2(0x00020102) |
| #define OID_GEN_XMIT_ERROR ccpu2(0x00020103) |
| #define OID_GEN_RCV_ERROR ccpu2(0x00020104) |
| #define OID_GEN_RCV_NO_BUFFER ccpu2(0x00020105) |
| |
| #define OID_802_3_PERMANENT_ADDRESS ccpu2(0x01010101) |
| #define OID_802_3_CURRENT_ADDRESS ccpu2(0x01010102) |
| #define OID_802_3_MULTICAST_LIST ccpu2(0x01010103) |
| #define OID_802_3_MAXIMUM_LIST_SIZE ccpu2(0x01010104) |
| |
| #define OID_802_11_BSSID ccpu2(0x0d010101) |
| #define OID_802_11_SSID ccpu2(0x0d010102) |
| #define OID_802_11_INFRASTRUCTURE_MODE ccpu2(0x0d010108) |
| #define OID_802_11_ADD_WEP ccpu2(0x0d010113) |
| #define OID_802_11_REMOVE_WEP ccpu2(0x0d010114) |
| #define OID_802_11_DISASSOCIATE ccpu2(0x0d010115) |
| #define OID_802_11_AUTHENTICATION_MODE ccpu2(0x0d010118) |
| #define OID_802_11_PRIVACY_FILTER ccpu2(0x0d010119) |
| #define OID_802_11_BSSID_LIST_SCAN ccpu2(0x0d01011a) |
| #define OID_802_11_ENCRYPTION_STATUS ccpu2(0x0d01011b) |
| #define OID_802_11_ADD_KEY ccpu2(0x0d01011d) |
| #define OID_802_11_REMOVE_KEY ccpu2(0x0d01011e) |
| #define OID_802_11_ASSOCIATION_INFORMATION ccpu2(0x0d01011f) |
| #define OID_802_11_PMKID ccpu2(0x0d010123) |
| #define OID_802_11_NETWORK_TYPES_SUPPORTED ccpu2(0x0d010203) |
| #define OID_802_11_NETWORK_TYPE_IN_USE ccpu2(0x0d010204) |
| #define OID_802_11_TX_POWER_LEVEL ccpu2(0x0d010205) |
| #define OID_802_11_RSSI ccpu2(0x0d010206) |
| #define OID_802_11_RSSI_TRIGGER ccpu2(0x0d010207) |
| #define OID_802_11_FRAGMENTATION_THRESHOLD ccpu2(0x0d010209) |
| #define OID_802_11_RTS_THRESHOLD ccpu2(0x0d01020a) |
| #define OID_802_11_SUPPORTED_RATES ccpu2(0x0d01020e) |
| #define OID_802_11_CONFIGURATION ccpu2(0x0d010211) |
| #define OID_802_11_BSSID_LIST ccpu2(0x0d010217) |
| |
| |
| /* Typical noise/maximum signal level values taken from ndiswrapper iw_ndis.h */ |
| #define WL_NOISE -96 /* typical noise level in dBm */ |
| #define WL_SIGMAX -32 /* typical maximum signal level in dBm */ |
| |
| |
| /* Assume that Broadcom 4320 (only chipset at time of writing known to be |
| * based on wireless rndis) has default txpower of 13dBm. |
| * This value is from Linksys WUSB54GSC User Guide, Appendix F: Specifications. |
| * 13dBm == 19.9mW |
| */ |
| #define BCM4320_DEFAULT_TXPOWER 20 |
| |
| |
| /* codes for "status" field of completion messages */ |
| #define RNDIS_STATUS_ADAPTER_NOT_READY ccpu2(0xc0010011) |
| #define RNDIS_STATUS_ADAPTER_NOT_OPEN ccpu2(0xc0010012) |
| |
| |
| /* NDIS data structures. Taken from wpa_supplicant driver_ndis.c |
| * slightly modified for datatype endianess, etc |
| */ |
| #define NDIS_802_11_LENGTH_SSID 32 |
| #define NDIS_802_11_LENGTH_RATES 8 |
| #define NDIS_802_11_LENGTH_RATES_EX 16 |
| |
| enum ndis_80211_net_type { |
| ndis_80211_type_freq_hop, |
| ndis_80211_type_direct_seq, |
| ndis_80211_type_ofdm_a, |
| ndis_80211_type_ofdm_g |
| }; |
| |
| enum ndis_80211_net_infra { |
| ndis_80211_infra_adhoc, |
| ndis_80211_infra_infra, |
| ndis_80211_infra_auto_unknown |
| }; |
| |
| enum ndis_80211_auth_mode { |
| ndis_80211_auth_open, |
| ndis_80211_auth_shared, |
| ndis_80211_auth_auto_switch, |
| ndis_80211_auth_wpa, |
| ndis_80211_auth_wpa_psk, |
| ndis_80211_auth_wpa_none, |
| ndis_80211_auth_wpa2, |
| ndis_80211_auth_wpa2_psk |
| }; |
| |
| enum ndis_80211_encr_status { |
| ndis_80211_encr_wep_enabled, |
| ndis_80211_encr_disabled, |
| ndis_80211_encr_wep_key_absent, |
| ndis_80211_encr_not_supported, |
| ndis_80211_encr_tkip_enabled, |
| ndis_80211_encr_tkip_key_absent, |
| ndis_80211_encr_ccmp_enabled, |
| ndis_80211_encr_ccmp_key_absent |
| }; |
| |
| enum ndis_80211_priv_filter { |
| ndis_80211_priv_accept_all, |
| ndis_80211_priv_8021x_wep |
| }; |
| |
| struct ndis_80211_ssid { |
| __le32 length; |
| u8 essid[NDIS_802_11_LENGTH_SSID]; |
| } __attribute__((packed)); |
| |
| struct ndis_80211_conf_freq_hop { |
| __le32 length; |
| __le32 hop_pattern; |
| __le32 hop_set; |
| __le32 dwell_time; |
| } __attribute__((packed)); |
| |
| struct ndis_80211_conf { |
| __le32 length; |
| __le32 beacon_period; |
| __le32 atim_window; |
| __le32 ds_config; |
| struct ndis_80211_conf_freq_hop fh_config; |
| } __attribute__((packed)); |
| |
| struct ndis_80211_bssid_ex { |
| __le32 length; |
| u8 mac[6]; |
| u8 padding[2]; |
| struct ndis_80211_ssid ssid; |
| __le32 privacy; |
| __le32 rssi; |
| __le32 net_type; |
| struct ndis_80211_conf config; |
| __le32 net_infra; |
| u8 rates[NDIS_802_11_LENGTH_RATES_EX]; |
| __le32 ie_length; |
| u8 ies[0]; |
| } __attribute__((packed)); |
| |
| struct ndis_80211_bssid_list_ex { |
| __le32 num_items; |
| struct ndis_80211_bssid_ex bssid[0]; |
| } __attribute__((packed)); |
| |
| struct ndis_80211_fixed_ies { |
| u8 timestamp[8]; |
| __le16 beacon_interval; |
| __le16 capabilities; |
| } __attribute__((packed)); |
| |
| struct ndis_80211_wep_key { |
| __le32 size; |
| __le32 index; |
| __le32 length; |
| u8 material[32]; |
| } __attribute__((packed)); |
| |
| struct ndis_80211_key { |
| __le32 size; |
| __le32 index; |
| __le32 length; |
| u8 bssid[6]; |
| u8 padding[6]; |
| u8 rsc[8]; |
| u8 material[32]; |
| } __attribute__((packed)); |
| |
| struct ndis_80211_remove_key { |
| __le32 size; |
| __le32 index; |
| u8 bssid[6]; |
| } __attribute__((packed)); |
| |
| struct ndis_config_param { |
| __le32 name_offs; |
| __le32 name_length; |
| __le32 type; |
| __le32 value_offs; |
| __le32 value_length; |
| } __attribute__((packed)); |
| |
| struct ndis_80211_assoc_info { |
| __le32 length; |
| __le16 req_ies; |
| struct req_ie { |
| __le16 capa; |
| __le16 listen_interval; |
| u8 cur_ap_address[6]; |
| } req_ie; |
| __le32 req_ie_length; |
| __le32 offset_req_ies; |
| __le16 resp_ies; |
| struct resp_ie { |
| __le16 capa; |
| __le16 status_code; |
| __le16 assoc_id; |
| } resp_ie; |
| __le32 resp_ie_length; |
| __le32 offset_resp_ies; |
| } __attribute__((packed)); |
| |
| /* these have to match what is in wpa_supplicant */ |
| enum wpa_alg { WPA_ALG_NONE, WPA_ALG_WEP, WPA_ALG_TKIP, WPA_ALG_CCMP }; |
| enum wpa_cipher { CIPHER_NONE, CIPHER_WEP40, CIPHER_TKIP, CIPHER_CCMP, |
| CIPHER_WEP104 }; |
| enum wpa_key_mgmt { KEY_MGMT_802_1X, KEY_MGMT_PSK, KEY_MGMT_NONE, |
| KEY_MGMT_802_1X_NO_WPA, KEY_MGMT_WPA_NONE }; |
| |
| /* |
| * private data |
| */ |
| #define NET_TYPE_11FB 0 |
| |
| #define CAP_MODE_80211A 1 |
| #define CAP_MODE_80211B 2 |
| #define CAP_MODE_80211G 4 |
| #define CAP_MODE_MASK 7 |
| #define CAP_SUPPORT_TXPOWER 8 |
| |
| #define WORK_LINK_UP (1<<0) |
| #define WORK_LINK_DOWN (1<<1) |
| #define WORK_SET_MULTICAST_LIST (1<<2) |
| |
| #define COMMAND_BUFFER_SIZE (CONTROL_BUFFER_SIZE + sizeof(struct rndis_set)) |
| |
| /* RNDIS device private data */ |
| struct rndis_wext_private { |
| char name[32]; |
| |
| struct usbnet *usbdev; |
| |
| struct workqueue_struct *workqueue; |
| struct delayed_work stats_work; |
| struct work_struct work; |
| struct mutex command_lock; |
| spinlock_t stats_lock; |
| unsigned long work_pending; |
| |
| struct iw_statistics iwstats; |
| struct iw_statistics privstats; |
| |
| int nick_len; |
| char nick[32]; |
| |
| int caps; |
| int multicast_size; |
| |
| /* module parameters */ |
| char param_country[4]; |
| int param_frameburst; |
| int param_afterburner; |
| int param_power_save; |
| int param_power_output; |
| int param_roamtrigger; |
| int param_roamdelta; |
| u32 param_workaround_interval; |
| |
| /* hardware state */ |
| int radio_on; |
| int infra_mode; |
| struct ndis_80211_ssid essid; |
| |
| /* encryption stuff */ |
| int encr_tx_key_index; |
| char encr_keys[4][32]; |
| int encr_key_len[4]; |
| int wpa_version; |
| int wpa_keymgmt; |
| int wpa_authalg; |
| int wpa_ie_len; |
| u8 *wpa_ie; |
| int wpa_cipher_pair; |
| int wpa_cipher_group; |
| |
| u8 command_buffer[COMMAND_BUFFER_SIZE]; |
| }; |
| |
| |
| static const int freq_chan[] = { 2412, 2417, 2422, 2427, 2432, 2437, 2442, |
| 2447, 2452, 2457, 2462, 2467, 2472, 2484 }; |
| |
| static const int rates_80211g[8] = { 6, 9, 12, 18, 24, 36, 48, 54 }; |
| |
| static const int bcm4320_power_output[4] = { 25, 50, 75, 100 }; |
| |
| static const unsigned char zero_bssid[ETH_ALEN] = {0,}; |
| static const unsigned char ffff_bssid[ETH_ALEN] = { 0xff, 0xff, 0xff, |
| 0xff, 0xff, 0xff }; |
| |
| |
| static struct rndis_wext_private *get_rndis_wext_priv(struct usbnet *dev) |
| { |
| return (struct rndis_wext_private *)dev->driver_priv; |
| } |
| |
| |
| static u32 get_bcm4320_power(struct rndis_wext_private *priv) |
| { |
| return BCM4320_DEFAULT_TXPOWER * |
| bcm4320_power_output[priv->param_power_output] / 100; |
| } |
| |
| |
| /* translate error code */ |
| static int rndis_error_status(__le32 rndis_status) |
| { |
| int ret = -EINVAL; |
| switch (rndis_status) { |
| case RNDIS_STATUS_SUCCESS: |
| ret = 0; |
| break; |
| case RNDIS_STATUS_FAILURE: |
| case RNDIS_STATUS_INVALID_DATA: |
| ret = -EINVAL; |
| break; |
| case RNDIS_STATUS_NOT_SUPPORTED: |
| ret = -EOPNOTSUPP; |
| break; |
| case RNDIS_STATUS_ADAPTER_NOT_READY: |
| case RNDIS_STATUS_ADAPTER_NOT_OPEN: |
| ret = -EBUSY; |
| break; |
| } |
| return ret; |
| } |
| |
| |
| static int rndis_query_oid(struct usbnet *dev, __le32 oid, void *data, int *len) |
| { |
| struct rndis_wext_private *priv = get_rndis_wext_priv(dev); |
| union { |
| void *buf; |
| struct rndis_msg_hdr *header; |
| struct rndis_query *get; |
| struct rndis_query_c *get_c; |
| } u; |
| int ret, buflen; |
| |
| buflen = *len + sizeof(*u.get); |
| if (buflen < CONTROL_BUFFER_SIZE) |
| buflen = CONTROL_BUFFER_SIZE; |
| |
| if (buflen > COMMAND_BUFFER_SIZE) { |
| u.buf = kmalloc(buflen, GFP_KERNEL); |
| if (!u.buf) |
| return -ENOMEM; |
| } else { |
| u.buf = priv->command_buffer; |
| } |
| |
| mutex_lock(&priv->command_lock); |
| |
| memset(u.get, 0, sizeof *u.get); |
| u.get->msg_type = RNDIS_MSG_QUERY; |
| u.get->msg_len = ccpu2(sizeof *u.get); |
| u.get->oid = oid; |
| |
| ret = rndis_command(dev, u.header); |
| if (ret == 0) { |
| ret = le32_to_cpu(u.get_c->len); |
| *len = (*len > ret) ? ret : *len; |
| memcpy(data, u.buf + le32_to_cpu(u.get_c->offset) + 8, *len); |
| ret = rndis_error_status(u.get_c->status); |
| } |
| |
| mutex_unlock(&priv->command_lock); |
| |
| if (u.buf != priv->command_buffer) |
| kfree(u.buf); |
| return ret; |
| } |
| |
| |
| static int rndis_set_oid(struct usbnet *dev, __le32 oid, void *data, int len) |
| { |
| struct rndis_wext_private *priv = get_rndis_wext_priv(dev); |
| union { |
| void *buf; |
| struct rndis_msg_hdr *header; |
| struct rndis_set *set; |
| struct rndis_set_c *set_c; |
| } u; |
| int ret, buflen; |
| |
| buflen = len + sizeof(*u.set); |
| if (buflen < CONTROL_BUFFER_SIZE) |
| buflen = CONTROL_BUFFER_SIZE; |
| |
| if (buflen > COMMAND_BUFFER_SIZE) { |
| u.buf = kmalloc(buflen, GFP_KERNEL); |
| if (!u.buf) |
| return -ENOMEM; |
| } else { |
| u.buf = priv->command_buffer; |
| } |
| |
| mutex_lock(&priv->command_lock); |
| |
| memset(u.set, 0, sizeof *u.set); |
| u.set->msg_type = RNDIS_MSG_SET; |
| u.set->msg_len = cpu_to_le32(sizeof(*u.set) + len); |
| u.set->oid = oid; |
| u.set->len = cpu_to_le32(len); |
| u.set->offset = ccpu2(sizeof(*u.set) - 8); |
| u.set->handle = ccpu2(0); |
| memcpy(u.buf + sizeof(*u.set), data, len); |
| |
| ret = rndis_command(dev, u.header); |
| if (ret == 0) |
| ret = rndis_error_status(u.set_c->status); |
| |
| mutex_unlock(&priv->command_lock); |
| |
| if (u.buf != priv->command_buffer) |
| kfree(u.buf); |
| return ret; |
| } |
| |
| |
| /* |
| * Specs say that we can only set config parameters only soon after device |
| * initialization. |
| * value_type: 0 = u32, 2 = unicode string |
| */ |
| static int rndis_set_config_parameter(struct usbnet *dev, char *param, |
| int value_type, void *value) |
| { |
| struct ndis_config_param *infobuf; |
| int value_len, info_len, param_len, ret, i; |
| __le16 *unibuf; |
| __le32 *dst_value; |
| |
| if (value_type == 0) |
| value_len = sizeof(__le32); |
| else if (value_type == 2) |
| value_len = strlen(value) * sizeof(__le16); |
| else |
| return -EINVAL; |
| |
| param_len = strlen(param) * sizeof(__le16); |
| info_len = sizeof(*infobuf) + param_len + value_len; |
| |
| #ifdef DEBUG |
| info_len += 12; |
| #endif |
| infobuf = kmalloc(info_len, GFP_KERNEL); |
| if (!infobuf) |
| return -ENOMEM; |
| |
| #ifdef DEBUG |
| info_len -= 12; |
| /* extra 12 bytes are for padding (debug output) */ |
| memset(infobuf, 0xCC, info_len + 12); |
| #endif |
| |
| if (value_type == 2) |
| devdbg(dev, "setting config parameter: %s, value: %s", |
| param, (u8 *)value); |
| else |
| devdbg(dev, "setting config parameter: %s, value: %d", |
| param, *(u32 *)value); |
| |
| infobuf->name_offs = cpu_to_le32(sizeof(*infobuf)); |
| infobuf->name_length = cpu_to_le32(param_len); |
| infobuf->type = cpu_to_le32(value_type); |
| infobuf->value_offs = cpu_to_le32(sizeof(*infobuf) + param_len); |
| infobuf->value_length = cpu_to_le32(value_len); |
| |
| /* simple string to unicode string conversion */ |
| unibuf = (void *)infobuf + sizeof(*infobuf); |
| for (i = 0; i < param_len / sizeof(__le16); i++) |
| unibuf[i] = cpu_to_le16(param[i]); |
| |
| if (value_type == 2) { |
| unibuf = (void *)infobuf + sizeof(*infobuf) + param_len; |
| for (i = 0; i < value_len / sizeof(__le16); i++) |
| unibuf[i] = cpu_to_le16(((u8 *)value)[i]); |
| } else { |
| dst_value = (void *)infobuf + sizeof(*infobuf) + param_len; |
| *dst_value = cpu_to_le32(*(u32 *)value); |
| } |
| |
| #ifdef DEBUG |
| devdbg(dev, "info buffer (len: %d):", info_len); |
| for (i = 0; i < info_len; i += 12) { |
| u32 *tmp = (u32 *)((u8 *)infobuf + i); |
| devdbg(dev, "%08X:%08X:%08X", |
| cpu_to_be32(tmp[0]), |
| cpu_to_be32(tmp[1]), |
| cpu_to_be32(tmp[2])); |
| } |
| #endif |
| |
| ret = rndis_set_oid(dev, OID_GEN_RNDIS_CONFIG_PARAMETER, |
| infobuf, info_len); |
| if (ret != 0) |
| devdbg(dev, "setting rndis config paramater failed, %d.", ret); |
| |
| kfree(infobuf); |
| return ret; |
| } |
| |
| static int rndis_set_config_parameter_str(struct usbnet *dev, |
| char *param, char *value) |
| { |
| return(rndis_set_config_parameter(dev, param, 2, value)); |
| } |
| |
| /*static int rndis_set_config_parameter_u32(struct usbnet *dev, |
| char *param, u32 value) |
| { |
| return(rndis_set_config_parameter(dev, param, 0, &value)); |
| }*/ |
| |
| |
| /* |
| * data conversion functions |
| */ |
| static int level_to_qual(int level) |
| { |
| int qual = 100 * (level - WL_NOISE) / (WL_SIGMAX - WL_NOISE); |
| return qual >= 0 ? (qual <= 100 ? qual : 100) : 0; |
| } |
| |
| |
| static void dsconfig_to_freq(unsigned int dsconfig, struct iw_freq *freq) |
| { |
| freq->e = 0; |
| freq->i = 0; |
| freq->flags = 0; |
| |
| /* see comment in wireless.h above the "struct iw_freq" |
| * definition for an explanation of this if |
| * NOTE: 1000000 is due to the kHz |
| */ |
| if (dsconfig > 1000000) { |
| freq->m = dsconfig / 10; |
| freq->e = 1; |
| } else |
| freq->m = dsconfig; |
| |
| /* convert from kHz to Hz */ |
| freq->e += 3; |
| } |
| |
| |
| static int freq_to_dsconfig(struct iw_freq *freq, unsigned int *dsconfig) |
| { |
| if (freq->m < 1000 && freq->e == 0) { |
| if (freq->m >= 1 && freq->m <= ARRAY_SIZE(freq_chan)) |
| *dsconfig = freq_chan[freq->m - 1] * 1000; |
| else |
| return -1; |
| } else { |
| int i; |
| *dsconfig = freq->m; |
| for (i = freq->e; i > 0; i--) |
| *dsconfig *= 10; |
| *dsconfig /= 1000; |
| } |
| |
| return 0; |
| } |
| |
| |
| /* |
| * common functions |
| */ |
| static int |
| add_wep_key(struct usbnet *usbdev, char *key, int key_len, int index); |
| |
| static int get_essid(struct usbnet *usbdev, struct ndis_80211_ssid *ssid) |
| { |
| int ret, len; |
| |
| len = sizeof(*ssid); |
| ret = rndis_query_oid(usbdev, OID_802_11_SSID, ssid, &len); |
| |
| if (ret != 0) |
| ssid->length = 0; |
| |
| #ifdef DEBUG |
| { |
| unsigned char tmp[NDIS_802_11_LENGTH_SSID + 1]; |
| |
| memcpy(tmp, ssid->essid, le32_to_cpu(ssid->length)); |
| tmp[le32_to_cpu(ssid->length)] = 0; |
| devdbg(usbdev, "get_essid: '%s', ret: %d", tmp, ret); |
| } |
| #endif |
| return ret; |
| } |
| |
| |
| static int set_essid(struct usbnet *usbdev, struct ndis_80211_ssid *ssid) |
| { |
| struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); |
| int ret; |
| |
| ret = rndis_set_oid(usbdev, OID_802_11_SSID, ssid, sizeof(*ssid)); |
| if (ret == 0) { |
| memcpy(&priv->essid, ssid, sizeof(priv->essid)); |
| priv->radio_on = 1; |
| devdbg(usbdev, "set_essid: radio_on = 1"); |
| } |
| |
| return ret; |
| } |
| |
| |
| static int get_bssid(struct usbnet *usbdev, u8 bssid[ETH_ALEN]) |
| { |
| int ret, len; |
| |
| len = ETH_ALEN; |
| ret = rndis_query_oid(usbdev, OID_802_11_BSSID, bssid, &len); |
| |
| if (ret != 0) |
| memset(bssid, 0, ETH_ALEN); |
| |
| return ret; |
| } |
| |
| static int get_association_info(struct usbnet *usbdev, |
| struct ndis_80211_assoc_info *info, int len) |
| { |
| return rndis_query_oid(usbdev, OID_802_11_ASSOCIATION_INFORMATION, |
| info, &len); |
| } |
| |
| static int is_associated(struct usbnet *usbdev) |
| { |
| u8 bssid[ETH_ALEN]; |
| int ret; |
| |
| ret = get_bssid(usbdev, bssid); |
| |
| return(ret == 0 && memcmp(bssid, zero_bssid, ETH_ALEN) != 0); |
| } |
| |
| |
| static int disassociate(struct usbnet *usbdev, int reset_ssid) |
| { |
| struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); |
| struct ndis_80211_ssid ssid; |
| int i, ret = 0; |
| |
| if (priv->radio_on) { |
| ret = rndis_set_oid(usbdev, OID_802_11_DISASSOCIATE, NULL, 0); |
| if (ret == 0) { |
| priv->radio_on = 0; |
| devdbg(usbdev, "disassociate: radio_on = 0"); |
| |
| if (reset_ssid) |
| msleep(100); |
| } |
| } |
| |
| /* disassociate causes radio to be turned off; if reset_ssid |
| * is given, set random ssid to enable radio */ |
| if (reset_ssid) { |
| ssid.length = cpu_to_le32(sizeof(ssid.essid)); |
| get_random_bytes(&ssid.essid[2], sizeof(ssid.essid)-2); |
| ssid.essid[0] = 0x1; |
| ssid.essid[1] = 0xff; |
| for (i = 2; i < sizeof(ssid.essid); i++) |
| ssid.essid[i] = 0x1 + (ssid.essid[i] * 0xfe / 0xff); |
| ret = set_essid(usbdev, &ssid); |
| } |
| return ret; |
| } |
| |
| |
| static int set_auth_mode(struct usbnet *usbdev, int wpa_version, int authalg) |
| { |
| struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); |
| __le32 tmp; |
| int auth_mode, ret; |
| |
| devdbg(usbdev, "set_auth_mode: wpa_version=0x%x authalg=0x%x " |
| "keymgmt=0x%x", wpa_version, authalg, priv->wpa_keymgmt); |
| |
| if (wpa_version & IW_AUTH_WPA_VERSION_WPA2) { |
| if (priv->wpa_keymgmt & IW_AUTH_KEY_MGMT_802_1X) |
| auth_mode = ndis_80211_auth_wpa2; |
| else |
| auth_mode = ndis_80211_auth_wpa2_psk; |
| } else if (wpa_version & IW_AUTH_WPA_VERSION_WPA) { |
| if (priv->wpa_keymgmt & IW_AUTH_KEY_MGMT_802_1X) |
| auth_mode = ndis_80211_auth_wpa; |
| else if (priv->wpa_keymgmt & IW_AUTH_KEY_MGMT_PSK) |
| auth_mode = ndis_80211_auth_wpa_psk; |
| else |
| auth_mode = ndis_80211_auth_wpa_none; |
| } else if (authalg & IW_AUTH_ALG_SHARED_KEY) { |
| if (authalg & IW_AUTH_ALG_OPEN_SYSTEM) |
| auth_mode = ndis_80211_auth_auto_switch; |
| else |
| auth_mode = ndis_80211_auth_shared; |
| } else |
| auth_mode = ndis_80211_auth_open; |
| |
| tmp = cpu_to_le32(auth_mode); |
| ret = rndis_set_oid(usbdev, OID_802_11_AUTHENTICATION_MODE, &tmp, |
| sizeof(tmp)); |
| if (ret != 0) { |
| devwarn(usbdev, "setting auth mode failed (%08X)", ret); |
| return ret; |
| } |
| |
| priv->wpa_version = wpa_version; |
| priv->wpa_authalg = authalg; |
| return 0; |
| } |
| |
| |
| static int set_priv_filter(struct usbnet *usbdev) |
| { |
| struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); |
| __le32 tmp; |
| |
| devdbg(usbdev, "set_priv_filter: wpa_version=0x%x", priv->wpa_version); |
| |
| if (priv->wpa_version & IW_AUTH_WPA_VERSION_WPA2 || |
| priv->wpa_version & IW_AUTH_WPA_VERSION_WPA) |
| tmp = cpu_to_le32(ndis_80211_priv_8021x_wep); |
| else |
| tmp = cpu_to_le32(ndis_80211_priv_accept_all); |
| |
| return rndis_set_oid(usbdev, OID_802_11_PRIVACY_FILTER, &tmp, |
| sizeof(tmp)); |
| } |
| |
| |
| static int set_encr_mode(struct usbnet *usbdev, int pairwise, int groupwise) |
| { |
| struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); |
| __le32 tmp; |
| int encr_mode, ret; |
| |
| devdbg(usbdev, "set_encr_mode: cipher_pair=0x%x cipher_group=0x%x", |
| pairwise, |
| groupwise); |
| |
| if (pairwise & IW_AUTH_CIPHER_CCMP) |
| encr_mode = ndis_80211_encr_ccmp_enabled; |
| else if (pairwise & IW_AUTH_CIPHER_TKIP) |
| encr_mode = ndis_80211_encr_tkip_enabled; |
| else if (pairwise & |
| (IW_AUTH_CIPHER_WEP40 | IW_AUTH_CIPHER_WEP104)) |
| encr_mode = ndis_80211_encr_wep_enabled; |
| else if (groupwise & IW_AUTH_CIPHER_CCMP) |
| encr_mode = ndis_80211_encr_ccmp_enabled; |
| else if (groupwise & IW_AUTH_CIPHER_TKIP) |
| encr_mode = ndis_80211_encr_tkip_enabled; |
| else |
| encr_mode = ndis_80211_encr_disabled; |
| |
| tmp = cpu_to_le32(encr_mode); |
| ret = rndis_set_oid(usbdev, OID_802_11_ENCRYPTION_STATUS, &tmp, |
| sizeof(tmp)); |
| if (ret != 0) { |
| devwarn(usbdev, "setting encr mode failed (%08X)", ret); |
| return ret; |
| } |
| |
| priv->wpa_cipher_pair = pairwise; |
| priv->wpa_cipher_group = groupwise; |
| return 0; |
| } |
| |
| |
| static int set_assoc_params(struct usbnet *usbdev) |
| { |
| struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); |
| |
| set_auth_mode(usbdev, priv->wpa_version, priv->wpa_authalg); |
| set_priv_filter(usbdev); |
| set_encr_mode(usbdev, priv->wpa_cipher_pair, priv->wpa_cipher_group); |
| |
| return 0; |
| } |
| |
| |
| static int set_infra_mode(struct usbnet *usbdev, int mode) |
| { |
| struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); |
| __le32 tmp; |
| int ret, i; |
| |
| devdbg(usbdev, "set_infra_mode: infra_mode=0x%x", priv->infra_mode); |
| |
| tmp = cpu_to_le32(mode); |
| ret = rndis_set_oid(usbdev, OID_802_11_INFRASTRUCTURE_MODE, &tmp, |
| sizeof(tmp)); |
| if (ret != 0) { |
| devwarn(usbdev, "setting infra mode failed (%08X)", ret); |
| return ret; |
| } |
| |
| /* NDIS drivers clear keys when infrastructure mode is |
| * changed. But Linux tools assume otherwise. So set the |
| * keys */ |
| if (priv->wpa_keymgmt == 0 || |
| priv->wpa_keymgmt == IW_AUTH_KEY_MGMT_802_1X) { |
| for (i = 0; i < 4; i++) { |
| if (priv->encr_key_len[i] > 0) |
| add_wep_key(usbdev, priv->encr_keys[i], |
| priv->encr_key_len[i], i); |
| } |
| } |
| |
| priv->infra_mode = mode; |
| return 0; |
| } |
| |
| |
| static void set_default_iw_params(struct usbnet *usbdev) |
| { |
| struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); |
| |
| priv->wpa_keymgmt = 0; |
| priv->wpa_version = 0; |
| |
| set_infra_mode(usbdev, ndis_80211_infra_infra); |
| set_auth_mode(usbdev, IW_AUTH_WPA_VERSION_DISABLED, |
| IW_AUTH_ALG_OPEN_SYSTEM); |
| set_priv_filter(usbdev); |
| set_encr_mode(usbdev, IW_AUTH_CIPHER_NONE, IW_AUTH_CIPHER_NONE); |
| } |
| |
| |
| static int deauthenticate(struct usbnet *usbdev) |
| { |
| int ret; |
| |
| ret = disassociate(usbdev, 1); |
| set_default_iw_params(usbdev); |
| return ret; |
| } |
| |
| |
| /* index must be 0 - N, as per NDIS */ |
| static int add_wep_key(struct usbnet *usbdev, char *key, int key_len, int index) |
| { |
| struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); |
| struct ndis_80211_wep_key ndis_key; |
| int ret; |
| |
| if (key_len <= 0 || key_len > 32 || index < 0 || index >= 4) |
| return -EINVAL; |
| |
| memset(&ndis_key, 0, sizeof(ndis_key)); |
| |
| ndis_key.size = cpu_to_le32(sizeof(ndis_key)); |
| ndis_key.length = cpu_to_le32(key_len); |
| ndis_key.index = cpu_to_le32(index); |
| memcpy(&ndis_key.material, key, key_len); |
| |
| if (index == priv->encr_tx_key_index) { |
| ndis_key.index |= cpu_to_le32(1 << 31); |
| ret = set_encr_mode(usbdev, IW_AUTH_CIPHER_WEP104, |
| IW_AUTH_CIPHER_NONE); |
| if (ret) |
| devwarn(usbdev, "encryption couldn't be enabled (%08X)", |
| ret); |
| } |
| |
| ret = rndis_set_oid(usbdev, OID_802_11_ADD_WEP, &ndis_key, |
| sizeof(ndis_key)); |
| if (ret != 0) { |
| devwarn(usbdev, "adding encryption key %d failed (%08X)", |
| index+1, ret); |
| return ret; |
| } |
| |
| priv->encr_key_len[index] = key_len; |
| memcpy(&priv->encr_keys[index], key, key_len); |
| |
| return 0; |
| } |
| |
| |
| /* remove_key is for both wep and wpa */ |
| static int remove_key(struct usbnet *usbdev, int index, u8 bssid[ETH_ALEN]) |
| { |
| struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); |
| struct ndis_80211_remove_key remove_key; |
| __le32 keyindex; |
| int ret; |
| |
| if (priv->encr_key_len[index] == 0) |
| return 0; |
| |
| priv->encr_key_len[index] = 0; |
| memset(&priv->encr_keys[index], 0, sizeof(priv->encr_keys[index])); |
| |
| if (priv->wpa_cipher_pair == IW_AUTH_CIPHER_TKIP || |
| priv->wpa_cipher_pair == IW_AUTH_CIPHER_CCMP || |
| priv->wpa_cipher_group == IW_AUTH_CIPHER_TKIP || |
| priv->wpa_cipher_group == IW_AUTH_CIPHER_CCMP) { |
| remove_key.size = cpu_to_le32(sizeof(remove_key)); |
| remove_key.index = cpu_to_le32(index); |
| if (bssid) { |
| /* pairwise key */ |
| if (memcmp(bssid, ffff_bssid, ETH_ALEN) != 0) |
| remove_key.index |= cpu_to_le32(1 << 30); |
| memcpy(remove_key.bssid, bssid, |
| sizeof(remove_key.bssid)); |
| } else |
| memset(remove_key.bssid, 0xff, |
| sizeof(remove_key.bssid)); |
| |
| ret = rndis_set_oid(usbdev, OID_802_11_REMOVE_KEY, &remove_key, |
| sizeof(remove_key)); |
| if (ret != 0) |
| return ret; |
| } else { |
| keyindex = cpu_to_le32(index); |
| ret = rndis_set_oid(usbdev, OID_802_11_REMOVE_WEP, &keyindex, |
| sizeof(keyindex)); |
| if (ret != 0) { |
| devwarn(usbdev, |
| "removing encryption key %d failed (%08X)", |
| index, ret); |
| return ret; |
| } |
| } |
| |
| /* if it is transmit key, disable encryption */ |
| if (index == priv->encr_tx_key_index) |
| set_encr_mode(usbdev, IW_AUTH_CIPHER_NONE, IW_AUTH_CIPHER_NONE); |
| |
| return 0; |
| } |
| |
| |
| static void set_multicast_list(struct usbnet *usbdev) |
| { |
| struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); |
| struct dev_mc_list *mclist; |
| __le32 filter; |
| int ret, i, size; |
| char *buf; |
| |
| filter = RNDIS_PACKET_TYPE_DIRECTED | RNDIS_PACKET_TYPE_BROADCAST; |
| |
| if (usbdev->net->flags & IFF_PROMISC) { |
| filter |= RNDIS_PACKET_TYPE_PROMISCUOUS | |
| RNDIS_PACKET_TYPE_ALL_LOCAL; |
| } else if (usbdev->net->flags & IFF_ALLMULTI || |
| usbdev->net->mc_count > priv->multicast_size) { |
| filter |= RNDIS_PACKET_TYPE_ALL_MULTICAST; |
| } else if (usbdev->net->mc_count > 0) { |
| size = min(priv->multicast_size, usbdev->net->mc_count); |
| buf = kmalloc(size * ETH_ALEN, GFP_KERNEL); |
| if (!buf) { |
| devwarn(usbdev, |
| "couldn't alloc %d bytes of memory", |
| size * ETH_ALEN); |
| return; |
| } |
| |
| mclist = usbdev->net->mc_list; |
| for (i = 0; i < size && mclist; mclist = mclist->next) { |
| if (mclist->dmi_addrlen != ETH_ALEN) |
| continue; |
| |
| memcpy(buf + i * ETH_ALEN, mclist->dmi_addr, ETH_ALEN); |
| i++; |
| } |
| |
| ret = rndis_set_oid(usbdev, OID_802_3_MULTICAST_LIST, buf, |
| i * ETH_ALEN); |
| if (ret == 0 && i > 0) |
| filter |= RNDIS_PACKET_TYPE_MULTICAST; |
| else |
| filter |= RNDIS_PACKET_TYPE_ALL_MULTICAST; |
| |
| devdbg(usbdev, "OID_802_3_MULTICAST_LIST(%d, max: %d) -> %d", |
| i, priv->multicast_size, ret); |
| |
| kfree(buf); |
| } |
| |
| ret = rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &filter, |
| sizeof(filter)); |
| if (ret < 0) { |
| devwarn(usbdev, "couldn't set packet filter: %08x", |
| le32_to_cpu(filter)); |
| } |
| |
| devdbg(usbdev, "OID_GEN_CURRENT_PACKET_FILTER(%08x) -> %d", |
| le32_to_cpu(filter), ret); |
| } |
| |
| |
| /* |
| * wireless extension handlers |
| */ |
| |
| static int rndis_iw_commit(struct net_device *dev, |
| struct iw_request_info *info, union iwreq_data *wrqu, char *extra) |
| { |
| /* dummy op */ |
| return 0; |
| } |
| |
| |
| static int rndis_iw_get_range(struct net_device *dev, |
| struct iw_request_info *info, union iwreq_data *wrqu, char *extra) |
| { |
| struct iw_range *range = (struct iw_range *)extra; |
| struct usbnet *usbdev = dev->priv; |
| struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); |
| int len, ret, i, j, num, has_80211g_rates; |
| u8 rates[8]; |
| __le32 tx_power; |
| |
| devdbg(usbdev, "SIOCGIWRANGE"); |
| |
| /* clear iw_range struct */ |
| memset(range, 0, sizeof(*range)); |
| wrqu->data.length = sizeof(*range); |
| |
| range->txpower_capa = IW_TXPOW_MWATT; |
| range->num_txpower = 1; |
| if (priv->caps & CAP_SUPPORT_TXPOWER) { |
| len = sizeof(tx_power); |
| ret = rndis_query_oid(usbdev, OID_802_11_TX_POWER_LEVEL, |
| &tx_power, &len); |
| if (ret == 0 && le32_to_cpu(tx_power) != 0xFF) |
| range->txpower[0] = le32_to_cpu(tx_power); |
| else |
| range->txpower[0] = get_bcm4320_power(priv); |
| } else |
| range->txpower[0] = get_bcm4320_power(priv); |
| |
| len = sizeof(rates); |
| ret = rndis_query_oid(usbdev, OID_802_11_SUPPORTED_RATES, &rates, |
| &len); |
| has_80211g_rates = 0; |
| if (ret == 0) { |
| j = 0; |
| for (i = 0; i < len; i++) { |
| if (rates[i] == 0) |
| break; |
| range->bitrate[j] = (rates[i] & 0x7f) * 500000; |
| /* check for non 802.11b rates */ |
| if (range->bitrate[j] == 6000000 || |
| range->bitrate[j] == 9000000 || |
| (range->bitrate[j] >= 12000000 && |
| range->bitrate[j] != 22000000)) |
| has_80211g_rates = 1; |
| j++; |
| } |
| range->num_bitrates = j; |
| } else |
| range->num_bitrates = 0; |
| |
| /* fill in 802.11g rates */ |
| if (has_80211g_rates) { |
| num = range->num_bitrates; |
| for (i = 0; i < ARRAY_SIZE(rates_80211g); i++) { |
| for (j = 0; j < num; j++) { |
| if (range->bitrate[j] == |
| rates_80211g[i] * 1000000) |
| break; |
| } |
| if (j == num) |
| range->bitrate[range->num_bitrates++] = |
| rates_80211g[i] * 1000000; |
| if (range->num_bitrates == IW_MAX_BITRATES) |
| break; |
| } |
| |
| /* estimated max real througput in bps */ |
| range->throughput = 54 * 1000 * 1000 / 2; |
| |
| /* ~35% more with afterburner */ |
| if (priv->param_afterburner) |
| range->throughput = range->throughput / 100 * 135; |
| } else { |
| /* estimated max real througput in bps */ |
| range->throughput = 11 * 1000 * 1000 / 2; |
| } |
| |
| range->num_channels = ARRAY_SIZE(freq_chan); |
| |
| for (i = 0; i < ARRAY_SIZE(freq_chan) && i < IW_MAX_FREQUENCIES; i++) { |
| range->freq[i].i = i + 1; |
| range->freq[i].m = freq_chan[i] * 100000; |
| range->freq[i].e = 1; |
| } |
| range->num_frequency = i; |
| |
| range->min_rts = 0; |
| range->max_rts = 2347; |
| range->min_frag = 256; |
| range->max_frag = 2346; |
| |
| range->max_qual.qual = 100; |
| range->max_qual.level = 154; |
| range->max_qual.updated = IW_QUAL_QUAL_UPDATED |
| | IW_QUAL_LEVEL_UPDATED |
| | IW_QUAL_NOISE_INVALID; |
| |
| range->we_version_compiled = WIRELESS_EXT; |
| range->we_version_source = WIRELESS_EXT; |
| |
| range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_WPA2 | |
| IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP; |
| return 0; |
| } |
| |
| |
| static int rndis_iw_get_name(struct net_device *dev, |
| struct iw_request_info *info, union iwreq_data *wrqu, char *extra) |
| { |
| struct usbnet *usbdev = dev->priv; |
| struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); |
| |
| strcpy(wrqu->name, priv->name); |
| return 0; |
| } |
| |
| |
| static int rndis_iw_set_essid(struct net_device *dev, |
| struct iw_request_info *info, union iwreq_data *wrqu, char *essid) |
| { |
| struct ndis_80211_ssid ssid; |
| int length = wrqu->essid.length; |
| struct usbnet *usbdev = dev->priv; |
| |
| devdbg(usbdev, "SIOCSIWESSID: [flags:%d,len:%d] '%.32s'", |
| wrqu->essid.flags, wrqu->essid.length, essid); |
| |
| if (length > NDIS_802_11_LENGTH_SSID) |
| length = NDIS_802_11_LENGTH_SSID; |
| |
| ssid.length = cpu_to_le32(length); |
| if (length > 0) |
| memcpy(ssid.essid, essid, length); |
| else |
| memset(ssid.essid, 0, NDIS_802_11_LENGTH_SSID); |
| |
| set_assoc_params(usbdev); |
| |
| if (!wrqu->essid.flags || length == 0) |
| return disassociate(usbdev, 1); |
| else |
| return set_essid(usbdev, &ssid); |
| } |
| |
| |
| static int rndis_iw_get_essid(struct net_device *dev, |
| struct iw_request_info *info, union iwreq_data *wrqu, char *essid) |
| { |
| struct ndis_80211_ssid ssid; |
| struct usbnet *usbdev = dev->priv; |
| int ret; |
| |
| ret = get_essid(usbdev, &ssid); |
| |
| if (ret == 0 && le32_to_cpu(ssid.length) > 0) { |
| wrqu->essid.flags = 1; |
| wrqu->essid.length = le32_to_cpu(ssid.length); |
| memcpy(essid, ssid.essid, wrqu->essid.length); |
| essid[wrqu->essid.length] = 0; |
| } else { |
| memset(essid, 0, sizeof(NDIS_802_11_LENGTH_SSID)); |
| wrqu->essid.flags = 0; |
| wrqu->essid.length = 0; |
| } |
| devdbg(usbdev, "SIOCGIWESSID: %s", essid); |
| return ret; |
| } |
| |
| |
| static int rndis_iw_get_bssid(struct net_device *dev, |
| struct iw_request_info *info, union iwreq_data *wrqu, char *extra) |
| { |
| struct usbnet *usbdev = dev->priv; |
| unsigned char bssid[ETH_ALEN]; |
| int ret; |
| DECLARE_MAC_BUF(mac); |
| |
| ret = get_bssid(usbdev, bssid); |
| |
| if (ret == 0) |
| devdbg(usbdev, "SIOCGIWAP: %s", print_mac(mac, bssid)); |
| else |
| devdbg(usbdev, "SIOCGIWAP: <not associated>"); |
| |
| wrqu->ap_addr.sa_family = ARPHRD_ETHER; |
| memcpy(wrqu->ap_addr.sa_data, bssid, ETH_ALEN); |
| |
| return ret; |
| } |
| |
| |
| static int rndis_iw_set_bssid(struct net_device *dev, |
| struct iw_request_info *info, union iwreq_data *wrqu, char *extra) |
| { |
| struct usbnet *usbdev = dev->priv; |
| u8 *bssid = (u8 *)wrqu->ap_addr.sa_data; |
| DECLARE_MAC_BUF(mac); |
| int ret; |
| |
| devdbg(usbdev, "SIOCSIWAP: %s", print_mac(mac, bssid)); |
| |
| ret = rndis_set_oid(usbdev, OID_802_11_BSSID, bssid, ETH_ALEN); |
| |
| /* user apps may set ap's mac address, which is not required; |
| * they may fail to work if this function fails, so return |
| * success */ |
| if (ret) |
| devwarn(usbdev, "setting AP mac address failed (%08X)", ret); |
| |
| return 0; |
| } |
| |
| |
| static int rndis_iw_set_auth(struct net_device *dev, |
| struct iw_request_info *info, union iwreq_data *wrqu, char *extra) |
| { |
| struct iw_param *p = &wrqu->param; |
| struct usbnet *usbdev = dev->priv; |
| struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); |
| int ret = -ENOTSUPP; |
| |
| switch (p->flags & IW_AUTH_INDEX) { |
| case IW_AUTH_WPA_VERSION: |
| devdbg(usbdev, "SIOCSIWAUTH: WPA_VERSION, %08x", p->value); |
| priv->wpa_version = p->value; |
| ret = 0; |
| break; |
| |
| case IW_AUTH_CIPHER_PAIRWISE: |
| devdbg(usbdev, "SIOCSIWAUTH: CIPHER_PAIRWISE, %08x", p->value); |
| priv->wpa_cipher_pair = p->value; |
| ret = 0; |
| break; |
| |
| case IW_AUTH_CIPHER_GROUP: |
| devdbg(usbdev, "SIOCSIWAUTH: CIPHER_GROUP, %08x", p->value); |
| priv->wpa_cipher_group = p->value; |
| ret = 0; |
| break; |
| |
| case IW_AUTH_KEY_MGMT: |
| devdbg(usbdev, "SIOCSIWAUTH: KEY_MGMT, %08x", p->value); |
| priv->wpa_keymgmt = p->value; |
| ret = 0; |
| break; |
| |
| case IW_AUTH_TKIP_COUNTERMEASURES: |
| devdbg(usbdev, "SIOCSIWAUTH: TKIP_COUNTERMEASURES, %08x", |
| p->value); |
| ret = 0; |
| break; |
| |
| case IW_AUTH_DROP_UNENCRYPTED: |
| devdbg(usbdev, "SIOCSIWAUTH: DROP_UNENCRYPTED, %08x", p->value); |
| ret = 0; |
| break; |
| |
| case IW_AUTH_80211_AUTH_ALG: |
| devdbg(usbdev, "SIOCSIWAUTH: 80211_AUTH_ALG, %08x", p->value); |
| priv->wpa_authalg = p->value; |
| ret = 0; |
| break; |
| |
| case IW_AUTH_WPA_ENABLED: |
| devdbg(usbdev, "SIOCSIWAUTH: WPA_ENABLED, %08x", p->value); |
| if (wrqu->param.value) |
| deauthenticate(usbdev); |
| ret = 0; |
| break; |
| |
| case IW_AUTH_RX_UNENCRYPTED_EAPOL: |
| devdbg(usbdev, "SIOCSIWAUTH: RX_UNENCRYPTED_EAPOL, %08x", |
| p->value); |
| ret = 0; |
| break; |
| |
| case IW_AUTH_ROAMING_CONTROL: |
| devdbg(usbdev, "SIOCSIWAUTH: ROAMING_CONTROL, %08x", p->value); |
| ret = 0; |
| break; |
| |
| case IW_AUTH_PRIVACY_INVOKED: |
| devdbg(usbdev, "SIOCSIWAUTH: invalid cmd %d", |
| wrqu->param.flags & IW_AUTH_INDEX); |
| return -EOPNOTSUPP; |
| |
| default: |
| devdbg(usbdev, "SIOCSIWAUTH: UNKNOWN %08x, %08x", |
| p->flags & IW_AUTH_INDEX, p->value); |
| } |
| return ret; |
| } |
| |
| |
| static int rndis_iw_get_auth(struct net_device *dev, |
| struct iw_request_info *info, union iwreq_data *wrqu, char *extra) |
| { |
| struct iw_param *p = &wrqu->param; |
| struct usbnet *usbdev = dev->priv; |
| struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); |
| |
| switch (p->flags & IW_AUTH_INDEX) { |
| case IW_AUTH_WPA_VERSION: |
| p->value = priv->wpa_version; |
| break; |
| case IW_AUTH_CIPHER_PAIRWISE: |
| p->value = priv->wpa_cipher_pair; |
| break; |
| case IW_AUTH_CIPHER_GROUP: |
| p->value = priv->wpa_cipher_group; |
| break; |
| case IW_AUTH_KEY_MGMT: |
| p->value = priv->wpa_keymgmt; |
| break; |
| case IW_AUTH_80211_AUTH_ALG: |
| p->value = priv->wpa_authalg; |
| break; |
| default: |
| devdbg(usbdev, "SIOCGIWAUTH: invalid cmd %d", |
| wrqu->param.flags & IW_AUTH_INDEX); |
| return -EOPNOTSUPP; |
| } |
| return 0; |
| } |
| |
| |
| static int rndis_iw_get_mode(struct net_device *dev, |
| struct iw_request_info *info, |
| union iwreq_data *wrqu, char *extra) |
| { |
| struct usbnet *usbdev = dev->priv; |
| struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); |
| |
| switch (priv->infra_mode) { |
| case ndis_80211_infra_adhoc: |
| wrqu->mode = IW_MODE_ADHOC; |
| break; |
| case ndis_80211_infra_infra: |
| wrqu->mode = IW_MODE_INFRA; |
| break; |
| /*case ndis_80211_infra_auto_unknown:*/ |
| default: |
| wrqu->mode = IW_MODE_AUTO; |
| break; |
| } |
| devdbg(usbdev, "SIOCGIWMODE: %08x", wrqu->mode); |
| return 0; |
| } |
| |
| |
| static int rndis_iw_set_mode(struct net_device *dev, |
| struct iw_request_info *info, union iwreq_data *wrqu, char *extra) |
| { |
| struct usbnet *usbdev = dev->priv; |
| int mode; |
| |
| devdbg(usbdev, "SIOCSIWMODE: %08x", wrqu->mode); |
| |
| switch (wrqu->mode) { |
| case IW_MODE_ADHOC: |
| mode = ndis_80211_infra_adhoc; |
| break; |
| case IW_MODE_INFRA: |
| mode = ndis_80211_infra_infra; |
| break; |
| /*case IW_MODE_AUTO:*/ |
| default: |
| mode = ndis_80211_infra_auto_unknown; |
| break; |
| } |
| |
| return set_infra_mode(usbdev, mode); |
| } |
| |
| |
| static int rndis_iw_set_encode(struct net_device *dev, |
| struct iw_request_info *info, union iwreq_data *wrqu, char *extra) |
| { |
| struct usbnet *usbdev = dev->priv; |
| struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); |
| int ret, index, key_len; |
| u8 *key; |
| |
| index = (wrqu->encoding.flags & IW_ENCODE_INDEX); |
| |
| /* iwconfig gives index as 1 - N */ |
| if (index > 0) |
| index--; |
| else |
| index = priv->encr_tx_key_index; |
| |
| if (index < 0 || index >= 4) { |
| devwarn(usbdev, "encryption index out of range (%u)", index); |
| return -EINVAL; |
| } |
| |
| /* remove key if disabled */ |
| if (wrqu->data.flags & IW_ENCODE_DISABLED) { |
| if (remove_key(usbdev, index, NULL)) |
| return -EINVAL; |
| else |
| return 0; |
| } |
| |
| /* global encryption state (for all keys) */ |
| if (wrqu->data.flags & IW_ENCODE_OPEN) |
| ret = set_auth_mode(usbdev, IW_AUTH_WPA_VERSION_DISABLED, |
| IW_AUTH_ALG_OPEN_SYSTEM); |
| else /*if (wrqu->data.flags & IW_ENCODE_RESTRICTED)*/ |
| ret = set_auth_mode(usbdev, IW_AUTH_WPA_VERSION_DISABLED, |
| IW_AUTH_ALG_SHARED_KEY); |
| if (ret != 0) |
| return ret; |
| |
| if (wrqu->data.length > 0) { |
| key_len = wrqu->data.length; |
| key = extra; |
| } else { |
| /* must be set as tx key */ |
| if (priv->encr_key_len[index] == 0) |
| return -EINVAL; |
| key_len = priv->encr_key_len[index]; |
| key = priv->encr_keys[index]; |
| priv->encr_tx_key_index = index; |
| } |
| |
| if (add_wep_key(usbdev, key, key_len, index) != 0) |
| return -EINVAL; |
| |
| if (index == priv->encr_tx_key_index) |
| /* ndis drivers want essid to be set after setting encr */ |
| set_essid(usbdev, &priv->essid); |
| |
| return 0; |
| } |
| |
| |
| static int rndis_iw_set_encode_ext(struct net_device *dev, |
| struct iw_request_info *info, union iwreq_data *wrqu, char *extra) |
| { |
| struct iw_encode_ext *ext = (struct iw_encode_ext *)extra; |
| struct usbnet *usbdev = dev->priv; |
| struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); |
| struct ndis_80211_key ndis_key; |
| int keyidx, ret; |
| u8 *addr; |
| |
| keyidx = wrqu->encoding.flags & IW_ENCODE_INDEX; |
| |
| /* iwconfig gives index as 1 - N */ |
| if (keyidx) |
| keyidx--; |
| else |
| keyidx = priv->encr_tx_key_index; |
| |
| if (keyidx < 0 || keyidx >= 4) |
| return -EINVAL; |
| |
| if (ext->alg == WPA_ALG_WEP) { |
| if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) |
| priv->encr_tx_key_index = keyidx; |
| return add_wep_key(usbdev, ext->key, ext->key_len, keyidx); |
| } |
| |
| if ((wrqu->encoding.flags & IW_ENCODE_DISABLED) || |
| ext->alg == IW_ENCODE_ALG_NONE || ext->key_len == 0) |
| return remove_key(usbdev, keyidx, NULL); |
| |
| if (ext->key_len > sizeof(ndis_key.material)) |
| return -1; |
| |
| memset(&ndis_key, 0, sizeof(ndis_key)); |
| |
| ndis_key.size = cpu_to_le32(sizeof(ndis_key) - |
| sizeof(ndis_key.material) + ext->key_len); |
| ndis_key.length = cpu_to_le32(ext->key_len); |
| ndis_key.index = cpu_to_le32(keyidx); |
| |
| if (ext->ext_flags & IW_ENCODE_EXT_RX_SEQ_VALID) { |
| memcpy(ndis_key.rsc, ext->rx_seq, 6); |
| ndis_key.index |= cpu_to_le32(1 << 29); |
| } |
| |
| addr = ext->addr.sa_data; |
| if (ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) { |
| /* group key */ |
| if (priv->infra_mode == ndis_80211_infra_adhoc) |
| memset(ndis_key.bssid, 0xff, ETH_ALEN); |
| else |
| get_bssid(usbdev, ndis_key.bssid); |
| } else { |
| /* pairwise key */ |
| ndis_key.index |= cpu_to_le32(1 << 30); |
| memcpy(ndis_key.bssid, addr, ETH_ALEN); |
| } |
| |
| if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) |
| ndis_key.index |= cpu_to_le32(1 << 31); |
| |
| if (ext->alg == IW_ENCODE_ALG_TKIP && ext->key_len == 32) { |
| /* wpa_supplicant gives us the Michael MIC RX/TX keys in |
| * different order than NDIS spec, so swap the order here. */ |
| memcpy(ndis_key.material, ext->key, 16); |
| memcpy(ndis_key.material + 16, ext->key + 24, 8); |
| memcpy(ndis_key.material + 24, ext->key + 16, 8); |
| } else |
| memcpy(ndis_key.material, ext->key, ext->key_len); |
| |
| ret = rndis_set_oid(usbdev, OID_802_11_ADD_KEY, &ndis_key, |
| le32_to_cpu(ndis_key.size)); |
| devdbg(usbdev, "SIOCSIWENCODEEXT: OID_802_11_ADD_KEY -> %08X", ret); |
| if (ret != 0) |
| return ret; |
| |
| priv->encr_key_len[keyidx] = ext->key_len; |
| memcpy(&priv->encr_keys[keyidx], ndis_key.material, ext->key_len); |
| if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) |
| priv->encr_tx_key_index = keyidx; |
| |
| return 0; |
| } |
| |
| |
| static int rndis_iw_set_scan(struct net_device *dev, |
| struct iw_request_info *info, union iwreq_data *wrqu, char *extra) |
| { |
| struct iw_param *param = &wrqu->param; |
| struct usbnet *usbdev = dev->priv; |
| union iwreq_data evt; |
| int ret = -EINVAL; |
| __le32 tmp; |
| |
| devdbg(usbdev, "SIOCSIWSCAN"); |
| |
| if (param->flags == 0) { |
| tmp = ccpu2(1); |
| ret = rndis_set_oid(usbdev, OID_802_11_BSSID_LIST_SCAN, &tmp, |
| sizeof(tmp)); |
| evt.data.flags = 0; |
| evt.data.length = 0; |
| wireless_send_event(dev, SIOCGIWSCAN, &evt, NULL); |
| } |
| return ret; |
| } |
| |
| |
| static char *rndis_translate_scan(struct net_device *dev, |
| struct iw_request_info *info, char *cev, |
| char *end_buf, |
| struct ndis_80211_bssid_ex *bssid) |
| { |
| #ifdef DEBUG |
| struct usbnet *usbdev = dev->priv; |
| #endif |
| struct ieee80211_info_element *ie; |
| char *current_val; |
| int bssid_len, ie_len, i; |
| u32 beacon, atim; |
| struct iw_event iwe; |
| unsigned char sbuf[32]; |
| DECLARE_MAC_BUF(mac); |
| |
| bssid_len = le32_to_cpu(bssid->length); |
| |
| devdbg(usbdev, "BSSID %s", print_mac(mac, bssid->mac)); |
| iwe.cmd = SIOCGIWAP; |
| iwe.u.ap_addr.sa_family = ARPHRD_ETHER; |
| memcpy(iwe.u.ap_addr.sa_data, bssid->mac, ETH_ALEN); |
| cev = iwe_stream_add_event(info, cev, end_buf, &iwe, IW_EV_ADDR_LEN); |
| |
| devdbg(usbdev, "SSID(%d) %s", le32_to_cpu(bssid->ssid.length), |
| bssid->ssid.essid); |
| iwe.cmd = SIOCGIWESSID; |
| iwe.u.essid.length = le32_to_cpu(bssid->ssid.length); |
| iwe.u.essid.flags = 1; |
| cev = iwe_stream_add_point(info, cev, end_buf, &iwe, bssid->ssid.essid); |
| |
| devdbg(usbdev, "MODE %d", le32_to_cpu(bssid->net_infra)); |
| iwe.cmd = SIOCGIWMODE; |
| switch (le32_to_cpu(bssid->net_infra)) { |
| case ndis_80211_infra_adhoc: |
| iwe.u.mode = IW_MODE_ADHOC; |
| break; |
| case ndis_80211_infra_infra: |
| iwe.u.mode = IW_MODE_INFRA; |
| break; |
| /*case ndis_80211_infra_auto_unknown:*/ |
| default: |
| iwe.u.mode = IW_MODE_AUTO; |
| break; |
| } |
| cev = iwe_stream_add_event(info, cev, end_buf, &iwe, IW_EV_UINT_LEN); |
| |
| devdbg(usbdev, "FREQ %d kHz", le32_to_cpu(bssid->config.ds_config)); |
| iwe.cmd = SIOCGIWFREQ; |
| dsconfig_to_freq(le32_to_cpu(bssid->config.ds_config), &iwe.u.freq); |
| cev = iwe_stream_add_event(info, cev, end_buf, &iwe, IW_EV_FREQ_LEN); |
| |
| devdbg(usbdev, "QUAL %d", le32_to_cpu(bssid->rssi)); |
| iwe.cmd = IWEVQUAL; |
| iwe.u.qual.qual = level_to_qual(le32_to_cpu(bssid->rssi)); |
| iwe.u.qual.level = le32_to_cpu(bssid->rssi); |
| iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED |
| | IW_QUAL_LEVEL_UPDATED |
| | IW_QUAL_NOISE_INVALID; |
| cev = iwe_stream_add_event(info, cev, end_buf, &iwe, IW_EV_QUAL_LEN); |
| |
| devdbg(usbdev, "ENCODE %d", le32_to_cpu(bssid->privacy)); |
| iwe.cmd = SIOCGIWENCODE; |
| iwe.u.data.length = 0; |
| if (le32_to_cpu(bssid->privacy) == ndis_80211_priv_accept_all) |
| iwe.u.data.flags = IW_ENCODE_DISABLED; |
| else |
| iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY; |
| |
| cev = iwe_stream_add_point(info, cev, end_buf, &iwe, NULL); |
| |
| devdbg(usbdev, "RATES:"); |
| current_val = cev + iwe_stream_lcp_len(info); |
| iwe.cmd = SIOCGIWRATE; |
| for (i = 0; i < sizeof(bssid->rates); i++) { |
| if (bssid->rates[i] & 0x7f) { |
| iwe.u.bitrate.value = |
| ((bssid->rates[i] & 0x7f) * |
| 500000); |
| devdbg(usbdev, " %d", iwe.u.bitrate.value); |
| current_val = iwe_stream_add_value(info, cev, |
| current_val, end_buf, &iwe, |
| IW_EV_PARAM_LEN); |
| } |
| } |
| |
| if ((current_val - cev) > iwe_stream_lcp_len(info)) |
| cev = current_val; |
| |
| beacon = le32_to_cpu(bssid->config.beacon_period); |
| devdbg(usbdev, "BCN_INT %d", beacon); |
| iwe.cmd = IWEVCUSTOM; |
| snprintf(sbuf, sizeof(sbuf), "bcn_int=%d", beacon); |
| iwe.u.data.length = strlen(sbuf); |
| cev = iwe_stream_add_point(info, cev, end_buf, &iwe, sbuf); |
| |
| atim = le32_to_cpu(bssid->config.atim_window); |
| devdbg(usbdev, "ATIM %d", atim); |
| iwe.cmd = IWEVCUSTOM; |
| snprintf(sbuf, sizeof(sbuf), "atim=%u", atim); |
| iwe.u.data.length = strlen(sbuf); |
| cev = iwe_stream_add_point(info, cev, end_buf, &iwe, sbuf); |
| |
| ie = (void *)(bssid->ies + sizeof(struct ndis_80211_fixed_ies)); |
| ie_len = min(bssid_len - (int)sizeof(*bssid), |
| (int)le32_to_cpu(bssid->ie_length)); |
| ie_len -= sizeof(struct ndis_80211_fixed_ies); |
| while (ie_len >= sizeof(*ie) && sizeof(*ie) + ie->len <= ie_len) { |
| if ((ie->id == MFIE_TYPE_GENERIC && ie->len >= 4 && |
| memcmp(ie->data, "\x00\x50\xf2\x01", 4) == 0) || |
| ie->id == MFIE_TYPE_RSN) { |
| devdbg(usbdev, "IE: WPA%d", |
| (ie->id == MFIE_TYPE_RSN) ? 2 : 1); |
| iwe.cmd = IWEVGENIE; |
| iwe.u.data.length = min(ie->len + 2, MAX_WPA_IE_LEN); |
| cev = iwe_stream_add_point(info, cev, end_buf, &iwe, |
| (u8 *)ie); |
| } |
| |
| ie_len -= sizeof(*ie) + ie->len; |
| ie = (struct ieee80211_info_element *)&ie->data[ie->len]; |
| } |
| |
| return cev; |
| } |
| |
| |
| static int rndis_iw_get_scan(struct net_device *dev, |
| struct iw_request_info *info, union iwreq_data *wrqu, char *extra) |
| { |
| struct usbnet *usbdev = dev->priv; |
| void *buf = NULL; |
| char *cev = extra; |
| struct ndis_80211_bssid_list_ex *bssid_list; |
| struct ndis_80211_bssid_ex *bssid; |
| int ret = -EINVAL, len, count, bssid_len; |
| |
| devdbg(usbdev, "SIOCGIWSCAN"); |
| |
| len = CONTROL_BUFFER_SIZE; |
| buf = kmalloc(len, GFP_KERNEL); |
| if (!buf) { |
| ret = -ENOMEM; |
| goto out; |
| } |
| |
| ret = rndis_query_oid(usbdev, OID_802_11_BSSID_LIST, buf, &len); |
| |
| if (ret != 0) |
| goto out; |
| |
| bssid_list = buf; |
| bssid = bssid_list->bssid; |
| bssid_len = le32_to_cpu(bssid->length); |
| count = le32_to_cpu(bssid_list->num_items); |
| devdbg(usbdev, "SIOCGIWSCAN: %d BSSIDs found", count); |
| |
| while (count && ((void *)bssid + bssid_len) <= (buf + len)) { |
| cev = rndis_translate_scan(dev, info, cev, |
| extra + IW_SCAN_MAX_DATA, bssid); |
| bssid = (void *)bssid + bssid_len; |
| bssid_len = le32_to_cpu(bssid->length); |
| count--; |
| } |
| |
| out: |
| wrqu->data.length = cev - extra; |
| wrqu->data.flags = 0; |
| kfree(buf); |
| return ret; |
| } |
| |
| |
| static int rndis_iw_set_genie(struct net_device *dev, |
| struct iw_request_info *info, union iwreq_data *wrqu, char *extra) |
| { |
| struct usbnet *usbdev = dev->priv; |
| struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); |
| int ret = 0; |
| |
| #ifdef DEBUG |
| int j; |
| u8 *gie = extra; |
| for (j = 0; j < wrqu->data.length; j += 8) |
| devdbg(usbdev, |
| "SIOCSIWGENIE %04x - " |
| "%02x %02x %02x %02x %02x %02x %02x %02x", j, |
| gie[j + 0], gie[j + 1], gie[j + 2], gie[j + 3], |
| gie[j + 4], gie[j + 5], gie[j + 6], gie[j + 7]); |
| #endif |
| /* clear existing IEs */ |
| if (priv->wpa_ie_len) { |
| kfree(priv->wpa_ie); |
| priv->wpa_ie_len = 0; |
| } |
| |
| /* set new IEs */ |
| priv->wpa_ie = kmalloc(wrqu->data.length, GFP_KERNEL); |
| if (priv->wpa_ie) { |
| priv->wpa_ie_len = wrqu->data.length; |
| memcpy(priv->wpa_ie, extra, priv->wpa_ie_len); |
| } else |
| ret = -ENOMEM; |
| return ret; |
| } |
| |
| |
| static int rndis_iw_get_genie(struct net_device *dev, |
| struct iw_request_info *info, union iwreq_data *wrqu, char *extra) |
| { |
| struct usbnet *usbdev = dev->priv; |
| struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); |
| |
| devdbg(usbdev, "SIOCGIWGENIE"); |
| |
| if (priv->wpa_ie_len == 0 || priv->wpa_ie == NULL) { |
| wrqu->data.length = 0; |
| return 0; |
| } |
| |
| if (wrqu->data.length < priv->wpa_ie_len) |
| return -E2BIG; |
| |
| wrqu->data.length = priv->wpa_ie_len; |
| memcpy(extra, priv->wpa_ie, priv->wpa_ie_len); |
| |
| return 0; |
| } |
| |
| |
| static int rndis_iw_set_rts(struct net_device *dev, |
| struct iw_request_info *info, union iwreq_data *wrqu, char *extra) |
| { |
| struct usbnet *usbdev = dev->priv; |
| __le32 tmp; |
| devdbg(usbdev, "SIOCSIWRTS"); |
| |
| tmp = cpu_to_le32(wrqu->rts.value); |
| return rndis_set_oid(usbdev, OID_802_11_RTS_THRESHOLD, &tmp, |
| sizeof(tmp)); |
| } |
| |
| |
| static int rndis_iw_get_rts(struct net_device *dev, |
| struct iw_request_info *info, union iwreq_data *wrqu, char *extra) |
| { |
| struct usbnet *usbdev = dev->priv; |
| __le32 tmp; |
| int len, ret; |
| |
| len = sizeof(tmp); |
| ret = rndis_query_oid(usbdev, OID_802_11_RTS_THRESHOLD, &tmp, &len); |
| if (ret == 0) { |
| wrqu->rts.value = le32_to_cpu(tmp); |
| wrqu->rts.flags = 1; |
| wrqu->rts.disabled = 0; |
| } |
| |
| devdbg(usbdev, "SIOCGIWRTS: %d", wrqu->rts.value); |
| |
| return ret; |
| } |
| |
| |
| static int rndis_iw_set_frag(struct net_device *dev, |
| struct iw_request_info *info, union iwreq_data *wrqu, char *extra) |
| { |
| struct usbnet *usbdev = dev->priv; |
| __le32 tmp; |
| |
| devdbg(usbdev, "SIOCSIWFRAG"); |
| |
| tmp = cpu_to_le32(wrqu->frag.value); |
| return rndis_set_oid(usbdev, OID_802_11_FRAGMENTATION_THRESHOLD, &tmp, |
| sizeof(tmp)); |
| } |
| |
| |
| static int rndis_iw_get_frag(struct net_device *dev, |
| struct iw_request_info *info, union iwreq_data *wrqu, char *extra) |
| { |
| struct usbnet *usbdev = dev->priv; |
| __le32 tmp; |
| int len, ret; |
| |
| len = sizeof(tmp); |
| ret = rndis_query_oid(usbdev, OID_802_11_FRAGMENTATION_THRESHOLD, &tmp, |
| &len); |
| if (ret == 0) { |
| wrqu->frag.value = le32_to_cpu(tmp); |
| wrqu->frag.flags = 1; |
| wrqu->frag.disabled = 0; |
| } |
| devdbg(usbdev, "SIOCGIWFRAG: %d", wrqu->frag.value); |
| return ret; |
| } |
| |
| |
| static int rndis_iw_set_nick(struct net_device *dev, |
| struct iw_request_info *info, union iwreq_data *wrqu, char *extra) |
| { |
| struct usbnet *usbdev = dev->priv; |
| struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); |
| |
| devdbg(usbdev, "SIOCSIWNICK"); |
| |
| priv->nick_len = wrqu->data.length; |
| if (priv->nick_len > 32) |
| priv->nick_len = 32; |
| |
| memcpy(priv->nick, extra, priv->nick_len); |
| return 0; |
| } |
| |
| |
| static int rndis_iw_get_nick(struct net_device *dev, |
| struct iw_request_info *info, union iwreq_data *wrqu, char *extra) |
| { |
| struct usbnet *usbdev = dev->priv; |
| struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); |
| |
| wrqu->data.flags = 1; |
| wrqu->data.length = priv->nick_len; |
| memcpy(extra, priv->nick, priv->nick_len); |
| |
| devdbg(usbdev, "SIOCGIWNICK: '%s'", priv->nick); |
| |
| return 0; |
| } |
| |
| |
| static int rndis_iw_set_freq(struct net_device *dev, |
| struct iw_request_info *info, union iwreq_data *wrqu, char *extra) |
| { |
| struct usbnet *usbdev = dev->priv; |
| struct ndis_80211_conf config; |
| unsigned int dsconfig; |
| int len, ret; |
| |
| /* this OID is valid only when not associated */ |
| if (is_associated(usbdev)) |
| return 0; |
| |
| dsconfig = 0; |
| if (freq_to_dsconfig(&wrqu->freq, &dsconfig)) |
| return -EINVAL; |
| |
| len = sizeof(config); |
| ret = rndis_query_oid(usbdev, OID_802_11_CONFIGURATION, &config, &len); |
| if (ret != 0) { |
| devdbg(usbdev, "SIOCSIWFREQ: querying configuration failed"); |
| return 0; |
| } |
| |
| config.ds_config = cpu_to_le32(dsconfig); |
| |
| devdbg(usbdev, "SIOCSIWFREQ: %d * 10^%d", wrqu->freq.m, wrqu->freq.e); |
| return rndis_set_oid(usbdev, OID_802_11_CONFIGURATION, &config, |
| sizeof(config)); |
| } |
| |
| |
| static int rndis_iw_get_freq(struct net_device *dev, |
| struct iw_request_info *info, union iwreq_data *wrqu, char *extra) |
| { |
| struct usbnet *usbdev = dev->priv; |
| struct ndis_80211_conf config; |
| int len, ret; |
| |
| len = sizeof(config); |
| ret = rndis_query_oid(usbdev, OID_802_11_CONFIGURATION, &config, &len); |
| if (ret == 0) |
| dsconfig_to_freq(le32_to_cpu(config.ds_config), &wrqu->freq); |
| |
| devdbg(usbdev, "SIOCGIWFREQ: %d", wrqu->freq.m); |
| return ret; |
| } |
| |
| |
| static int rndis_iw_get_txpower(struct net_device *dev, |
| struct iw_request_info *info, union iwreq_data *wrqu, char *extra) |
| { |
| struct usbnet *usbdev = dev->priv; |
| struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); |
| __le32 tx_power; |
| int ret = 0, len; |
| |
| if (priv->radio_on) { |
| if (priv->caps & CAP_SUPPORT_TXPOWER) { |
| len = sizeof(tx_power); |
| ret = rndis_query_oid(usbdev, OID_802_11_TX_POWER_LEVEL, |
| &tx_power, &len); |
| if (ret != 0) |
| return ret; |
| } else |
| /* fake incase not supported */ |
| tx_power = cpu_to_le32(get_bcm4320_power(priv)); |
| |
| wrqu->txpower.flags = IW_TXPOW_MWATT; |
| wrqu->txpower.value = le32_to_cpu(tx_power); |
| wrqu->txpower.disabled = 0; |
| } else { |
| wrqu->txpower.flags = IW_TXPOW_MWATT; |
| wrqu->txpower.value = 0; |
| wrqu->txpower.disabled = 1; |
| } |
| |
| devdbg(usbdev, "SIOCGIWTXPOW: %d", wrqu->txpower.value); |
| |
| return ret; |
| } |
| |
| |
| static int rndis_iw_set_txpower(struct net_device *dev, |
| struct iw_request_info *info, union iwreq_data *wrqu, char *extra) |
| { |
| struct usbnet *usbdev = dev->priv; |
| struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); |
| __le32 tx_power = 0; |
| int ret = 0; |
| |
| if (!wrqu->txpower.disabled) { |
| if (wrqu->txpower.flags == IW_TXPOW_MWATT) |
| tx_power = cpu_to_le32(wrqu->txpower.value); |
| else { /* wrqu->txpower.flags == IW_TXPOW_DBM */ |
| if (wrqu->txpower.value > 20) |
| tx_power = cpu_to_le32(128); |
| else if (wrqu->txpower.value < -43) |
| tx_power = cpu_to_le32(127); |
| else { |
| signed char tmp; |
| tmp = wrqu->txpower.value; |
| tmp = -12 - tmp; |
| tmp <<= 2; |
| tx_power = cpu_to_le32((unsigned char)tmp); |
| } |
| } |
| } |
| |
| devdbg(usbdev, "SIOCSIWTXPOW: %d", le32_to_cpu(tx_power)); |
| |
| if (le32_to_cpu(tx_power) != 0) { |
| if (priv->caps & CAP_SUPPORT_TXPOWER) { |
| /* turn radio on first */ |
| if (!priv->radio_on) |
| disassociate(usbdev, 1); |
| |
| ret = rndis_set_oid(usbdev, OID_802_11_TX_POWER_LEVEL, |
| &tx_power, sizeof(tx_power)); |
| if (ret != 0) |
| ret = -EOPNOTSUPP; |
| return ret; |
| } else { |
| /* txpower unsupported, just turn radio on */ |
| if (!priv->radio_on) |
| return disassociate(usbdev, 1); |
| return 0; /* all ready on */ |
| } |
| } |
| |
| /* tx_power == 0, turn off radio */ |
| return disassociate(usbdev, 0); |
| } |
| |
| |
| static int rndis_iw_get_rate(struct net_device *dev, |
| struct iw_request_info *info, union iwreq_data *wrqu, char *extra) |
| { |
| struct usbnet *usbdev = dev->priv; |
| __le32 tmp; |
| int ret, len; |
| |
| len = sizeof(tmp); |
| ret = rndis_query_oid(usbdev, OID_GEN_LINK_SPEED, &tmp, &len); |
| if (ret == 0) { |
| wrqu->bitrate.value = le32_to_cpu(tmp) * 100; |
| wrqu->bitrate.disabled = 0; |
| wrqu->bitrate.flags = 1; |
| } |
| return ret; |
| } |
| |
| |
| static int rndis_iw_set_mlme(struct net_device *dev, |
| struct iw_request_info *info, union iwreq_data *wrqu, char *extra) |
| { |
| struct usbnet *usbdev = dev->priv; |
| struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); |
| struct iw_mlme *mlme = (struct iw_mlme *)extra; |
| unsigned char bssid[ETH_ALEN]; |
| |
| get_bssid(usbdev, bssid); |
| |
| if (memcmp(bssid, mlme->addr.sa_data, ETH_ALEN)) |
| return -EINVAL; |
| |
| switch (mlme->cmd) { |
| case IW_MLME_DEAUTH: |
| return deauthenticate(usbdev); |
| case IW_MLME_DISASSOC: |
| return disassociate(usbdev, priv->radio_on); |
| default: |
| return -EOPNOTSUPP; |
| } |
| |
| return 0; |
| } |
| |
| |
| static struct iw_statistics *rndis_get_wireless_stats(struct net_device *dev) |
| { |
| struct usbnet *usbdev = dev->priv; |
| struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); |
| unsigned long flags; |
| |
| spin_lock_irqsave(&priv->stats_lock, flags); |
| memcpy(&priv->iwstats, &priv->privstats, sizeof(priv->iwstats)); |
| spin_unlock_irqrestore(&priv->stats_lock, flags); |
| |
| return &priv->iwstats; |
| } |
| |
| |
| #define IW_IOCTL(x) [(x) - SIOCSIWCOMMIT] |
| static const iw_handler rndis_iw_handler[] = |
| { |
| IW_IOCTL(SIOCSIWCOMMIT) = rndis_iw_commit, |
| IW_IOCTL(SIOCGIWNAME) = rndis_iw_get_name, |
| IW_IOCTL(SIOCSIWFREQ) = rndis_iw_set_freq, |
| IW_IOCTL(SIOCGIWFREQ) = rndis_iw_get_freq, |
| IW_IOCTL(SIOCSIWMODE) = rndis_iw_set_mode, |
| IW_IOCTL(SIOCGIWMODE) = rndis_iw_get_mode, |
| IW_IOCTL(SIOCGIWRANGE) = rndis_iw_get_range, |
| IW_IOCTL(SIOCSIWAP) = rndis_iw_set_bssid, |
| IW_IOCTL(SIOCGIWAP) = rndis_iw_get_bssid, |
| IW_IOCTL(SIOCSIWSCAN) = rndis_iw_set_scan, |
| IW_IOCTL(SIOCGIWSCAN) = rndis_iw_get_scan, |
| IW_IOCTL(SIOCSIWESSID) = rndis_iw_set_essid, |
| IW_IOCTL(SIOCGIWESSID) = rndis_iw_get_essid, |
| IW_IOCTL(SIOCSIWNICKN) = rndis_iw_set_nick, |
| IW_IOCTL(SIOCGIWNICKN) = rndis_iw_get_nick, |
| IW_IOCTL(SIOCGIWRATE) = rndis_iw_get_rate, |
| IW_IOCTL(SIOCSIWRTS) = rndis_iw_set_rts, |
| IW_IOCTL(SIOCGIWRTS) = rndis_iw_get_rts, |
| IW_IOCTL(SIOCSIWFRAG) = rndis_iw_set_frag, |
| IW_IOCTL(SIOCGIWFRAG) = rndis_iw_get_frag, |
| IW_IOCTL(SIOCSIWTXPOW) = rndis_iw_set_txpower, |
| IW_IOCTL(SIOCGIWTXPOW) = rndis_iw_get_txpower, |
| IW_IOCTL(SIOCSIWENCODE) = rndis_iw_set_encode, |
| IW_IOCTL(SIOCSIWENCODEEXT) = rndis_iw_set_encode_ext, |
| IW_IOCTL(SIOCSIWAUTH) = rndis_iw_set_auth, |
| IW_IOCTL(SIOCGIWAUTH) = rndis_iw_get_auth, |
| IW_IOCTL(SIOCSIWGENIE) = rndis_iw_set_genie, |
| IW_IOCTL(SIOCGIWGENIE) = rndis_iw_get_genie, |
| IW_IOCTL(SIOCSIWMLME) = rndis_iw_set_mlme, |
| }; |
| |
| static const iw_handler rndis_wext_private_handler[] = { |
| }; |
| |
| static const struct iw_priv_args rndis_wext_private_args[] = { |
| }; |
| |
| |
| static const struct iw_handler_def rndis_iw_handlers = { |
| .num_standard = ARRAY_SIZE(rndis_iw_handler), |
| .num_private = ARRAY_SIZE(rndis_wext_private_handler), |
| .num_private_args = ARRAY_SIZE(rndis_wext_private_args), |
| .standard = (iw_handler *)rndis_iw_handler, |
| .private = (iw_handler *)rndis_wext_private_handler, |
| .private_args = (struct iw_priv_args *)rndis_wext_private_args, |
| .get_wireless_stats = rndis_get_wireless_stats, |
| }; |
| |
| |
| static void rndis_wext_worker(struct work_struct *work) |
| { |
| struct rndis_wext_private *priv = |
| container_of(work, struct rndis_wext_private, work); |
| struct usbnet *usbdev = priv->usbdev; |
| union iwreq_data evt; |
| unsigned char bssid[ETH_ALEN]; |
| struct ndis_80211_assoc_info *info; |
| int assoc_size = sizeof(*info) + IW_CUSTOM_MAX + 32; |
| int ret, offset; |
| |
| if (test_and_clear_bit(WORK_LINK_UP, &priv->work_pending)) { |
| netif_carrier_on(usbdev->net); |
| |
| info = kzalloc(assoc_size, GFP_KERNEL); |
| if (!info) |
| goto get_bssid; |
| |
| /* Get association info IEs from device and send them back to |
| * userspace. */ |
| ret = get_association_info(usbdev, info, assoc_size); |
| if (!ret) { |
| evt.data.length = le32_to_cpu(info->req_ie_length); |
| if (evt.data.length > 0) { |
| offset = le32_to_cpu(info->offset_req_ies); |
| wireless_send_event(usbdev->net, |
| IWEVASSOCREQIE, &evt, |
| (char *)info + offset); |
| } |
| |
| evt.data.length = le32_to_cpu(info->resp_ie_length); |
| if (evt.data.length > 0) { |
| offset = le32_to_cpu(info->offset_resp_ies); |
| wireless_send_event(usbdev->net, |
| IWEVASSOCRESPIE, &evt, |
| (char *)info + offset); |
| } |
| } |
| |
| kfree(info); |
| |
| get_bssid: |
| ret = get_bssid(usbdev, bssid); |
| if (!ret) { |
| evt.data.flags = 0; |
| evt.data.length = 0; |
| memcpy(evt.ap_addr.sa_data, bssid, ETH_ALEN); |
| wireless_send_event(usbdev->net, SIOCGIWAP, &evt, NULL); |
| } |
| } |
| |
| if (test_and_clear_bit(WORK_LINK_DOWN, &priv->work_pending)) { |
| netif_carrier_off(usbdev->net); |
| |
| evt.data.flags = 0; |
| evt.data.length = 0; |
| memset(evt.ap_addr.sa_data, 0, ETH_ALEN); |
| wireless_send_event(usbdev->net, SIOCGIWAP, &evt, NULL); |
| } |
| |
| if (test_and_clear_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending)) |
| set_multicast_list(usbdev); |
| } |
| |
| static void rndis_wext_set_multicast_list(struct net_device *dev) |
| { |
| struct usbnet *usbdev = dev->priv; |
| struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); |
| |
| if (test_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending)) |
| return; |
| |
| set_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending); |
| queue_work(priv->workqueue, &priv->work); |
| } |
| |
| static void rndis_wext_link_change(struct usbnet *usbdev, int state) |
| { |
| struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); |
| |
| /* queue work to avoid recursive calls into rndis_command */ |
| set_bit(state ? WORK_LINK_UP : WORK_LINK_DOWN, &priv->work_pending); |
| queue_work(priv->workqueue, &priv->work); |
| } |
| |
| |
| static int rndis_wext_get_caps(struct usbnet *usbdev) |
| { |
| struct { |
| __le32 num_items; |
| __le32 items[8]; |
| } networks_supported; |
| int len, retval, i, n; |
| __le32 tx_power; |
| struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); |
| |
| /* determine if supports setting txpower */ |
| len = sizeof(tx_power); |
| retval = rndis_query_oid(usbdev, OID_802_11_TX_POWER_LEVEL, &tx_power, |
| &len); |
| if (retval == 0 && le32_to_cpu(tx_power) != 0xFF) |
| priv->caps |= CAP_SUPPORT_TXPOWER; |
| |
| /* determine supported modes */ |
| len = sizeof(networks_supported); |
| retval = rndis_query_oid(usbdev, OID_802_11_NETWORK_TYPES_SUPPORTED, |
| &networks_supported, &len); |
| if (retval >= 0) { |
| n = le32_to_cpu(networks_supported.num_items); |
| if (n > 8) |
| n = 8; |
| for (i = 0; i < n; i++) { |
| switch (le32_to_cpu(networks_supported.items[i])) { |
| case ndis_80211_type_freq_hop: |
| case ndis_80211_type_direct_seq: |
| priv->caps |= CAP_MODE_80211B; |
| break; |
| case ndis_80211_type_ofdm_a: |
| priv->caps |= CAP_MODE_80211A; |
| break; |
| case ndis_80211_type_ofdm_g: |
| priv->caps |= CAP_MODE_80211G; |
| break; |
| } |
| } |
| if (priv->caps & CAP_MODE_80211A) |
| strcat(priv->name, "a"); |
| if (priv->caps & CAP_MODE_80211B) |
| strcat(priv->name, "b"); |
| if (priv->caps & CAP_MODE_80211G) |
| strcat(priv->name, "g"); |
| } |
| |
| return retval; |
| } |
| |
| |
| #define STATS_UPDATE_JIFFIES (HZ) |
| static void rndis_update_wireless_stats(struct work_struct *work) |
| { |
| struct rndis_wext_private *priv = |
| container_of(work, struct rndis_wext_private, stats_work.work); |
| struct usbnet *usbdev = priv->usbdev; |
| struct iw_statistics iwstats; |
| __le32 rssi, tmp; |
| int len, ret, j; |
| unsigned long flags; |
| int update_jiffies = STATS_UPDATE_JIFFIES; |
| void *buf; |
| |
| spin_lock_irqsave(&priv->stats_lock, flags); |
| memcpy(&iwstats, &priv->privstats, sizeof(iwstats)); |
| spin_unlock_irqrestore(&priv->stats_lock, flags); |
| |
| /* only update stats when connected */ |
| if (!is_associated(usbdev)) { |
| iwstats.qual.qual = 0; |
| iwstats.qual.level = 0; |
| iwstats.qual.updated = IW_QUAL_QUAL_UPDATED |
| | IW_QUAL_LEVEL_UPDATED |
| | IW_QUAL_NOISE_INVALID |
| | IW_QUAL_QUAL_INVALID |
| | IW_QUAL_LEVEL_INVALID; |
| goto end; |
| } |
| |
| len = sizeof(rssi); |
| ret = rndis_query_oid(usbdev, OID_802_11_RSSI, &rssi, &len); |
| |
| devdbg(usbdev, "stats: OID_802_11_RSSI -> %d, rssi:%d", ret, |
| le32_to_cpu(rssi)); |
| if (ret == 0) { |
| memset(&iwstats.qual, 0, sizeof(iwstats.qual)); |
| iwstats.qual.qual = level_to_qual(le32_to_cpu(rssi)); |
| iwstats.qual.level = le32_to_cpu(rssi); |
| iwstats.qual.updated = IW_QUAL_QUAL_UPDATED |
| | IW_QUAL_LEVEL_UPDATED |
| | IW_QUAL_NOISE_INVALID; |
| } |
| |
| memset(&iwstats.discard, 0, sizeof(iwstats.discard)); |
| |
| len = sizeof(tmp); |
| ret = rndis_query_oid(usbdev, OID_GEN_XMIT_ERROR, &tmp, &len); |
| if (ret == 0) |
| iwstats.discard.misc += le32_to_cpu(tmp); |
| |
| len = sizeof(tmp); |
| ret = rndis_query_oid(usbdev, OID_GEN_RCV_ERROR, &tmp, &len); |
| if (ret == 0) |
| iwstats.discard.misc += le32_to_cpu(tmp); |
| |
| len = sizeof(tmp); |
| ret = rndis_query_oid(usbdev, OID_GEN_RCV_NO_BUFFER, &tmp, &len); |
| if (ret == 0) |
| iwstats.discard.misc += le32_to_cpu(tmp); |
| |
| /* Workaround transfer stalls on poor quality links. |
| * TODO: find right way to fix these stalls (as stalls do not happen |
| * with ndiswrapper/windows driver). */ |
| if (iwstats.qual.qual <= 25) { |
| /* Decrease stats worker interval to catch stalls. |
| * faster. Faster than 400-500ms causes packet loss, |
| * Slower doesn't catch stalls fast enough. |
| */ |
| j = msecs_to_jiffies(priv->param_workaround_interval); |
| if (j > STATS_UPDATE_JIFFIES) |
| j = STATS_UPDATE_JIFFIES; |
| else if (j <= 0) |
| j = 1; |
| update_jiffies = j; |
| |
| /* Send scan OID. Use of both OIDs is required to get device |
| * working. |
| */ |
| tmp = ccpu2(1); |
| rndis_set_oid(usbdev, OID_802_11_BSSID_LIST_SCAN, &tmp, |
| sizeof(tmp)); |
| |
| len = CONTROL_BUFFER_SIZE; |
| buf = kmalloc(len, GFP_KERNEL); |
| if (!buf) |
| goto end; |
| |
| rndis_query_oid(usbdev, OID_802_11_BSSID_LIST, buf, &len); |
| kfree(buf); |
| } |
| end: |
| spin_lock_irqsave(&priv->stats_lock, flags); |
| memcpy(&priv->privstats, &iwstats, sizeof(iwstats)); |
| spin_unlock_irqrestore(&priv->stats_lock, flags); |
| |
| if (update_jiffies >= HZ) |
| update_jiffies = round_jiffies_relative(update_jiffies); |
| else { |
| j = round_jiffies_relative(update_jiffies); |
| if (abs(j - update_jiffies) <= 10) |
| update_jiffies = j; |
| } |
| |
| queue_delayed_work(priv->workqueue, &priv->stats_work, update_jiffies); |
| } |
| |
| |
| static int bcm4320_early_init(struct usbnet *usbdev) |
| { |
| struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); |
| char buf[8]; |
| |
| /* Early initialization settings, setting these won't have effect |
| * if called after generic_rndis_bind(). |
| */ |
| |
| priv->param_country[0] = modparam_country[0]; |
| priv->param_country[1] = modparam_country[1]; |
| priv->param_country[2] = 0; |
| priv->param_frameburst = modparam_frameburst; |
| priv->param_afterburner = modparam_afterburner; |
| priv->param_power_save = modparam_power_save; |
| priv->param_power_output = modparam_power_output; |
| priv->param_roamtrigger = modparam_roamtrigger; |
| priv->param_roamdelta = modparam_roamdelta; |
| |
| priv->param_country[0] = toupper(priv->param_country[0]); |
| priv->param_country[1] = toupper(priv->param_country[1]); |
| /* doesn't support EU as country code, use FI instead */ |
| if (!strcmp(priv->param_country, "EU")) |
| strcpy(priv->param_country, "FI"); |
| |
| if (priv->param_power_save < 0) |
| priv->param_power_save = 0; |
| else if (priv->param_power_save > 2) |
| priv->param_power_save = 2; |
| |
| if (priv->param_power_output < 0) |
| priv->param_power_output = 0; |
| else if (priv->param_power_output > 3) |
| priv->param_power_output = 3; |
| |
| if (priv->param_roamtrigger < -80) |
| priv->param_roamtrigger = -80; |
| else if (priv->param_roamtrigger > -60) |
| priv->param_roamtrigger = -60; |
| |
| if (priv->param_roamdelta < 0) |
| priv->param_roamdelta = 0; |
| else if (priv->param_roamdelta > 2) |
| priv->param_roamdelta = 2; |
| |
| if (modparam_workaround_interval < 0) |
| priv->param_workaround_interval = 500; |
| else |
| priv->param_workaround_interval = modparam_workaround_interval; |
| |
| rndis_set_config_parameter_str(usbdev, "Country", priv->param_country); |
| rndis_set_config_parameter_str(usbdev, "FrameBursting", |
| priv->param_frameburst ? "1" : "0"); |
| rndis_set_config_parameter_str(usbdev, "Afterburner", |
| priv->param_afterburner ? "1" : "0"); |
| sprintf(buf, "%d", priv->param_power_save); |
| rndis_set_config_parameter_str(usbdev, "PowerSaveMode", buf); |
| sprintf(buf, "%d", priv->param_power_output); |
| rndis_set_config_parameter_str(usbdev, "PwrOut", buf); |
| sprintf(buf, "%d", priv->param_roamtrigger); |
| rndis_set_config_parameter_str(usbdev, "RoamTrigger", buf); |
| sprintf(buf, "%d", priv->param_roamdelta); |
| rndis_set_config_parameter_str(usbdev, "RoamDelta", buf); |
| |
| return 0; |
| } |
| |
| |
| static int rndis_wext_bind(struct usbnet *usbdev, struct usb_interface *intf) |
| { |
| struct rndis_wext_private *priv; |
| int retval, len; |
| __le32 tmp; |
| |
| /* allocate rndis private data */ |
| priv = kzalloc(sizeof(struct rndis_wext_private), GFP_KERNEL); |
| if (!priv) |
| return -ENOMEM; |
| |
| /* These have to be initialized before calling generic_rndis_bind(). |
| * Otherwise we'll be in big trouble in rndis_wext_early_init(). |
| */ |
| usbdev->driver_priv = priv; |
| strcpy(priv->name, "IEEE802.11"); |
| usbdev->net->wireless_handlers = &rndis_iw_handlers; |
| priv->usbdev = usbdev; |
| |
| mutex_init(&priv->command_lock); |
| spin_lock_init(&priv->stats_lock); |
| |
| /* try bind rndis_host */ |
| retval = generic_rndis_bind(usbdev, intf, FLAG_RNDIS_PHYM_WIRELESS); |
| if (retval < 0) |
| goto fail; |
| |
| /* generic_rndis_bind set packet filter to multicast_all+ |
| * promisc mode which doesn't work well for our devices (device |
| * picks up rssi to closest station instead of to access point). |
| * |
| * rndis_host wants to avoid all OID as much as possible |
| * so do promisc/multicast handling in rndis_wext. |
| */ |
| usbdev->net->set_multicast_list = rndis_wext_set_multicast_list; |
| tmp = RNDIS_PACKET_TYPE_DIRECTED | RNDIS_PACKET_TYPE_BROADCAST; |
| retval = rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &tmp, |
| sizeof(tmp)); |
| |
| len = sizeof(tmp); |
| retval = rndis_query_oid(usbdev, OID_802_3_MAXIMUM_LIST_SIZE, &tmp, |
| &len); |
| priv->multicast_size = le32_to_cpu(tmp); |
| if (retval < 0 || priv->multicast_size < 0) |
| priv->multicast_size = 0; |
| if (priv->multicast_size > 0) |
| usbdev->net->flags |= IFF_MULTICAST; |
| else |
| usbdev->net->flags &= ~IFF_MULTICAST; |
| |
| priv->iwstats.qual.qual = 0; |
| priv->iwstats.qual.level = 0; |
| priv->iwstats.qual.updated = IW_QUAL_QUAL_UPDATED |
| | IW_QUAL_LEVEL_UPDATED |
| | IW_QUAL_NOISE_INVALID |
| | IW_QUAL_QUAL_INVALID |
| | IW_QUAL_LEVEL_INVALID; |
| |
| rndis_wext_get_caps(usbdev); |
| set_default_iw_params(usbdev); |
| |
| /* turn radio on */ |
| priv->radio_on = 1; |
| disassociate(usbdev, 1); |
| netif_carrier_off(usbdev->net); |
| |
| /* because rndis_command() sleeps we need to use workqueue */ |
| priv->workqueue = create_singlethread_workqueue("rndis_wlan"); |
| INIT_DELAYED_WORK(&priv->stats_work, rndis_update_wireless_stats); |
| queue_delayed_work(priv->workqueue, &priv->stats_work, |
| round_jiffies_relative(STATS_UPDATE_JIFFIES)); |
| INIT_WORK(&priv->work, rndis_wext_worker); |
| |
| return 0; |
| |
| fail: |
| kfree(priv); |
| return retval; |
| } |
| |
| |
| static void rndis_wext_unbind(struct usbnet *usbdev, struct usb_interface *intf) |
| { |
| struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); |
| |
| /* turn radio off */ |
| disassociate(usbdev, 0); |
| |
| cancel_delayed_work_sync(&priv->stats_work); |
| cancel_work_sync(&priv->work); |
| flush_workqueue(priv->workqueue); |
| destroy_workqueue(priv->workqueue); |
| |
| if (priv && priv->wpa_ie_len) |
| kfree(priv->wpa_ie); |
| kfree(priv); |
| |
| rndis_unbind(usbdev, intf); |
| } |
| |
| |
| static int rndis_wext_reset(struct usbnet *usbdev) |
| { |
| return deauthenticate(usbdev); |
| } |
| |
| |
| static const struct driver_info bcm4320b_info = { |
| .description = "Wireless RNDIS device, BCM4320b based", |
| .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT, |
| .bind = rndis_wext_bind, |
| .unbind = rndis_wext_unbind, |
| .status = rndis_status, |
| .rx_fixup = rndis_rx_fixup, |
| .tx_fixup = rndis_tx_fixup, |
| .reset = rndis_wext_reset, |
| .early_init = bcm4320_early_init, |
| .link_change = rndis_wext_link_change, |
| }; |
| |
| static const struct driver_info bcm4320a_info = { |
| .description = "Wireless RNDIS device, BCM4320a based", |
| .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT, |
| .bind = rndis_wext_bind, |
| .unbind = rndis_wext_unbind, |
| .status = rndis_status, |
| .rx_fixup = rndis_rx_fixup, |
| .tx_fixup = rndis_tx_fixup, |
| .reset = rndis_wext_reset, |
| .early_init = bcm4320_early_init, |
| .link_change = rndis_wext_link_change, |
| }; |
| |
| static const struct driver_info rndis_wext_info = { |
| .description = "Wireless RNDIS device", |
| .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT, |
| .bind = rndis_wext_bind, |
| .unbind = rndis_wext_unbind, |
| .status = rndis_status, |
| .rx_fixup = rndis_rx_fixup, |
| .tx_fixup = rndis_tx_fixup, |
| .reset = rndis_wext_reset, |
| .early_init = bcm4320_early_init, |
| .link_change = rndis_wext_link_change, |
| }; |
| |
| /*-------------------------------------------------------------------------*/ |
| |
| static const struct usb_device_id products [] = { |
| #define RNDIS_MASTER_INTERFACE \ |
| .bInterfaceClass = USB_CLASS_COMM, \ |
| .bInterfaceSubClass = 2 /* ACM */, \ |
| .bInterfaceProtocol = 0x0ff |
| |
| /* INF driver for these devices have DriverVer >= 4.xx.xx.xx and many custom |
| * parameters available. Chipset marked as 'BCM4320SKFBG' in NDISwrapper-wiki. |
| */ |
| { |
| .match_flags = USB_DEVICE_ID_MATCH_INT_INFO |
| | USB_DEVICE_ID_MATCH_DEVICE, |
| .idVendor = 0x0411, |
| .idProduct = 0x00bc, /* Buffalo WLI-U2-KG125S */ |
| RNDIS_MASTER_INTERFACE, |
| .driver_info = (unsigned long) &bcm4320b_info, |
| }, { |
| .match_flags = USB_DEVICE_ID_MATCH_INT_INFO |
| | USB_DEVICE_ID_MATCH_DEVICE, |
| .idVendor = 0x0baf, |
| .idProduct = 0x011b, /* U.S. Robotics USR5421 */ |
| RNDIS_MASTER_INTERFACE, |
| .driver_info = (unsigned long) &bcm4320b_info, |
| }, { |
| .match_flags = USB_DEVICE_ID_MATCH_INT_INFO |
| | USB_DEVICE_ID_MATCH_DEVICE, |
| .idVendor = 0x050d, |
| .idProduct = 0x011b, /* Belkin F5D7051 */ |
| RNDIS_MASTER_INTERFACE, |
| .driver_info = (unsigned long) &bcm4320b_info, |
| }, { |
| .match_flags = USB_DEVICE_ID_MATCH_INT_INFO |
| | USB_DEVICE_ID_MATCH_DEVICE, |
| .idVendor = 0x1799, /* Belkin has two vendor ids */ |
| .idProduct = 0x011b, /* Belkin F5D7051 */ |
| RNDIS_MASTER_INTERFACE, |
| .driver_info = (unsigned long) &bcm4320b_info, |
| }, { |
| .match_flags = USB_DEVICE_ID_MATCH_INT_INFO |
| | USB_DEVICE_ID_MATCH_DEVICE, |
| .idVendor = 0x13b1, |
| .idProduct = 0x0014, /* Linksys WUSB54GSv2 */ |
| RNDIS_MASTER_INTERFACE, |
| .driver_info = (unsigned long) &bcm4320b_info, |
| }, { |
| .match_flags = USB_DEVICE_ID_MATCH_INT_INFO |
| | USB_DEVICE_ID_MATCH_DEVICE, |
| .idVendor = 0x13b1, |
| .idProduct = 0x0026, /* Linksys WUSB54GSC */ |
| RNDIS_MASTER_INTERFACE, |
| .driver_info = (unsigned long) &bcm4320b_info, |
| }, { |
| .match_flags = USB_DEVICE_ID_MATCH_INT_INFO |
| | USB_DEVICE_ID_MATCH_DEVICE, |
| .idVendor = 0x0b05, |
| .idProduct = 0x1717, /* Asus WL169gE */ |
| RNDIS_MASTER_INTERFACE, |
| .driver_info = (unsigned long) &bcm4320b_info, |
| }, { |
| .match_flags = USB_DEVICE_ID_MATCH_INT_INFO |
| | USB_DEVICE_ID_MATCH_DEVICE, |
| .idVendor = 0x0a5c, |
| .idProduct = 0xd11b, /* Eminent EM4045 */ |
| RNDIS_MASTER_INTERFACE, |
| .driver_info = (unsigned long) &bcm4320b_info, |
| }, { |
| .match_flags = USB_DEVICE_ID_MATCH_INT_INFO |
| | USB_DEVICE_ID_MATCH_DEVICE, |
| .idVendor = 0x1690, |
| .idProduct = 0x0715, /* BT Voyager 1055 */ |
| RNDIS_MASTER_INTERFACE, |
| .driver_info = (unsigned long) &bcm4320b_info, |
| }, |
| /* These devices have DriverVer < 4.xx.xx.xx and do not have any custom |
| * parameters available, hardware probably contain older firmware version with |
| * no way of updating. Chipset marked as 'BCM4320????' in NDISwrapper-wiki. |
| */ |
| { |
| .match_flags = USB_DEVICE_ID_MATCH_INT_INFO |
| | USB_DEVICE_ID_MATCH_DEVICE, |
| .idVendor = 0x13b1, |
| .idProduct = 0x000e, /* Linksys WUSB54GSv1 */ |
| RNDIS_MASTER_INTERFACE, |
| .driver_info = (unsigned long) &bcm4320a_info, |
| }, { |
| .match_flags = USB_DEVICE_ID_MATCH_INT_INFO |
| | USB_DEVICE_ID_MATCH_DEVICE, |
| .idVendor = 0x0baf, |
| .idProduct = 0x0111, /* U.S. Robotics USR5420 */ |
| RNDIS_MASTER_INTERFACE, |
| .driver_info = (unsigned long) &bcm4320a_info, |
| }, { |
| .match_flags = USB_DEVICE_ID_MATCH_INT_INFO |
| | USB_DEVICE_ID_MATCH_DEVICE, |
| .idVendor = 0x0411, |
| .idProduct = 0x004b, /* BUFFALO WLI-USB-G54 */ |
| RNDIS_MASTER_INTERFACE, |
| .driver_info = (unsigned long) &bcm4320a_info, |
| }, |
| /* Generic Wireless RNDIS devices that we don't have exact |
| * idVendor/idProduct/chip yet. |
| */ |
| { |
| /* RNDIS is MSFT's un-official variant of CDC ACM */ |
| USB_INTERFACE_INFO(USB_CLASS_COMM, 2 /* ACM */, 0x0ff), |
| .driver_info = (unsigned long) &rndis_wext_info, |
| }, { |
| /* "ActiveSync" is an undocumented variant of RNDIS, used in WM5 */ |
| USB_INTERFACE_INFO(USB_CLASS_MISC, 1, 1), |
| .driver_info = (unsigned long) &rndis_wext_info, |
| }, |
| { }, // END |
| }; |
| MODULE_DEVICE_TABLE(usb, products); |
| |
| static struct usb_driver rndis_wlan_driver = { |
| .name = "rndis_wlan", |
| .id_table = products, |
| .probe = usbnet_probe, |
| .disconnect = usbnet_disconnect, |
| .suspend = usbnet_suspend, |
| .resume = usbnet_resume, |
| }; |
| |
| static int __init rndis_wlan_init(void) |
| { |
| return usb_register(&rndis_wlan_driver); |
| } |
| module_init(rndis_wlan_init); |
| |
| static void __exit rndis_wlan_exit(void) |
| { |
| usb_deregister(&rndis_wlan_driver); |
| } |
| module_exit(rndis_wlan_exit); |
| |
| MODULE_AUTHOR("Bjorge Dijkstra"); |
| MODULE_AUTHOR("Jussi Kivilinna"); |
| MODULE_DESCRIPTION("Driver for RNDIS based USB Wireless adapters"); |
| MODULE_LICENSE("GPL"); |
| |