diff options
Diffstat (limited to 'drivers/staging/ath6kl/os/linux/cfg80211.c')
| -rw-r--r-- | drivers/staging/ath6kl/os/linux/cfg80211.c | 1892 |
1 files changed, 0 insertions, 1892 deletions
diff --git a/drivers/staging/ath6kl/os/linux/cfg80211.c b/drivers/staging/ath6kl/os/linux/cfg80211.c deleted file mode 100644 index 5fdda4aa2fe..00000000000 --- a/drivers/staging/ath6kl/os/linux/cfg80211.c +++ /dev/null @@ -1,1892 +0,0 @@ -//------------------------------------------------------------------------------ -// Copyright (c) 2004-2010 Atheros Communications Inc. -// All rights reserved. -// -// -// -// Permission to use, copy, modify, and/or distribute this software for any -// purpose with or without fee is hereby granted, provided that the above -// copyright notice and this permission notice appear in all copies. -// -// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES -// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF -// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR -// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES -// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN -// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF -// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. -// -// -// -// Author(s): ="Atheros" -//------------------------------------------------------------------------------ - -#include <linux/wireless.h> -#include <linux/ieee80211.h> -#include <net/cfg80211.h> -#include <net/netlink.h> - -#include "ar6000_drv.h" - - -extern A_WAITQUEUE_HEAD arEvent; -extern unsigned int wmitimeout; -extern int reconnect_flag; - - -#define RATETAB_ENT(_rate, _rateid, _flags) { \ - .bitrate = (_rate), \ - .flags = (_flags), \ - .hw_value = (_rateid), \ -} - -#define CHAN2G(_channel, _freq, _flags) { \ - .band = IEEE80211_BAND_2GHZ, \ - .hw_value = (_channel), \ - .center_freq = (_freq), \ - .flags = (_flags), \ - .max_antenna_gain = 0, \ - .max_power = 30, \ -} - -#define CHAN5G(_channel, _flags) { \ - .band = IEEE80211_BAND_5GHZ, \ - .hw_value = (_channel), \ - .center_freq = 5000 + (5 * (_channel)), \ - .flags = (_flags), \ - .max_antenna_gain = 0, \ - .max_power = 30, \ -} - -static struct -ieee80211_rate ar6k_rates[] = { - RATETAB_ENT(10, 0x1, 0), - RATETAB_ENT(20, 0x2, 0), - RATETAB_ENT(55, 0x4, 0), - RATETAB_ENT(110, 0x8, 0), - RATETAB_ENT(60, 0x10, 0), - RATETAB_ENT(90, 0x20, 0), - RATETAB_ENT(120, 0x40, 0), - RATETAB_ENT(180, 0x80, 0), - RATETAB_ENT(240, 0x100, 0), - RATETAB_ENT(360, 0x200, 0), - RATETAB_ENT(480, 0x400, 0), - RATETAB_ENT(540, 0x800, 0), -}; - -#define ar6k_a_rates (ar6k_rates + 4) -#define ar6k_a_rates_size 8 -#define ar6k_g_rates (ar6k_rates + 0) -#define ar6k_g_rates_size 12 - -static struct -ieee80211_channel ar6k_2ghz_channels[] = { - CHAN2G(1, 2412, 0), - CHAN2G(2, 2417, 0), - CHAN2G(3, 2422, 0), - CHAN2G(4, 2427, 0), - CHAN2G(5, 2432, 0), - CHAN2G(6, 2437, 0), - CHAN2G(7, 2442, 0), - CHAN2G(8, 2447, 0), - CHAN2G(9, 2452, 0), - CHAN2G(10, 2457, 0), - CHAN2G(11, 2462, 0), - CHAN2G(12, 2467, 0), - CHAN2G(13, 2472, 0), - CHAN2G(14, 2484, 0), -}; - -static struct -ieee80211_channel ar6k_5ghz_a_channels[] = { - CHAN5G(34, 0), CHAN5G(36, 0), - CHAN5G(38, 0), CHAN5G(40, 0), - CHAN5G(42, 0), CHAN5G(44, 0), - CHAN5G(46, 0), CHAN5G(48, 0), - CHAN5G(52, 0), CHAN5G(56, 0), - CHAN5G(60, 0), CHAN5G(64, 0), - CHAN5G(100, 0), CHAN5G(104, 0), - CHAN5G(108, 0), CHAN5G(112, 0), - CHAN5G(116, 0), CHAN5G(120, 0), - CHAN5G(124, 0), CHAN5G(128, 0), - CHAN5G(132, 0), CHAN5G(136, 0), - CHAN5G(140, 0), CHAN5G(149, 0), - CHAN5G(153, 0), CHAN5G(157, 0), - CHAN5G(161, 0), CHAN5G(165, 0), - CHAN5G(184, 0), CHAN5G(188, 0), - CHAN5G(192, 0), CHAN5G(196, 0), - CHAN5G(200, 0), CHAN5G(204, 0), - CHAN5G(208, 0), CHAN5G(212, 0), - CHAN5G(216, 0), -}; - -static struct -ieee80211_supported_band ar6k_band_2ghz = { - .n_channels = ARRAY_SIZE(ar6k_2ghz_channels), - .channels = ar6k_2ghz_channels, - .n_bitrates = ar6k_g_rates_size, - .bitrates = ar6k_g_rates, -}; - -static struct -ieee80211_supported_band ar6k_band_5ghz = { - .n_channels = ARRAY_SIZE(ar6k_5ghz_a_channels), - .channels = ar6k_5ghz_a_channels, - .n_bitrates = ar6k_a_rates_size, - .bitrates = ar6k_a_rates, -}; - -static int -ar6k_set_wpa_version(struct ar6_softc *ar, enum nl80211_wpa_versions wpa_version) -{ - - AR_DEBUG_PRINTF(ATH_DEBUG_INFO, ("%s: %u\n", __func__, wpa_version)); - - if (!wpa_version) { - ar->arAuthMode = NONE_AUTH; - } else if (wpa_version & NL80211_WPA_VERSION_1) { - ar->arAuthMode = WPA_AUTH; - } else if (wpa_version & NL80211_WPA_VERSION_2) { - ar->arAuthMode = WPA2_AUTH; - } else { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, - ("%s: %u not spported\n", __func__, wpa_version)); - return -ENOTSUPP; - } - - return 0; -} - -static int -ar6k_set_auth_type(struct ar6_softc *ar, enum nl80211_auth_type auth_type) -{ - - AR_DEBUG_PRINTF(ATH_DEBUG_INFO, ("%s: 0x%x\n", __func__, auth_type)); - - switch (auth_type) { - case NL80211_AUTHTYPE_OPEN_SYSTEM: - ar->arDot11AuthMode = OPEN_AUTH; - break; - case NL80211_AUTHTYPE_SHARED_KEY: - ar->arDot11AuthMode = SHARED_AUTH; - break; - case NL80211_AUTHTYPE_NETWORK_EAP: - ar->arDot11AuthMode = LEAP_AUTH; - break; - - case NL80211_AUTHTYPE_AUTOMATIC: - ar->arDot11AuthMode = OPEN_AUTH; - ar->arAutoAuthStage = AUTH_OPEN_IN_PROGRESS; - break; - - default: - ar->arDot11AuthMode = OPEN_AUTH; - AR_DEBUG_PRINTF(ATH_DEBUG_INFO, - ("%s: 0x%x not spported\n", __func__, auth_type)); - return -ENOTSUPP; - } - - return 0; -} - -static int -ar6k_set_cipher(struct ar6_softc *ar, u32 cipher, bool ucast) -{ - u8 *ar_cipher = ucast ? &ar->arPairwiseCrypto : - &ar->arGroupCrypto; - u8 *ar_cipher_len = ucast ? &ar->arPairwiseCryptoLen : - &ar->arGroupCryptoLen; - - AR_DEBUG_PRINTF(ATH_DEBUG_INFO, - ("%s: cipher 0x%x, ucast %u\n", __func__, cipher, ucast)); - - switch (cipher) { - case 0: - case IW_AUTH_CIPHER_NONE: - *ar_cipher = NONE_CRYPT; - *ar_cipher_len = 0; - break; - case WLAN_CIPHER_SUITE_WEP40: - *ar_cipher = WEP_CRYPT; - *ar_cipher_len = 5; - break; - case WLAN_CIPHER_SUITE_WEP104: - *ar_cipher = WEP_CRYPT; - *ar_cipher_len = 13; - break; - case WLAN_CIPHER_SUITE_TKIP: - *ar_cipher = TKIP_CRYPT; - *ar_cipher_len = 0; - break; - case WLAN_CIPHER_SUITE_CCMP: - *ar_cipher = AES_CRYPT; - *ar_cipher_len = 0; - break; - default: - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, - ("%s: cipher 0x%x not supported\n", __func__, cipher)); - return -ENOTSUPP; - } - - return 0; -} - -static void -ar6k_set_key_mgmt(struct ar6_softc *ar, u32 key_mgmt) -{ - AR_DEBUG_PRINTF(ATH_DEBUG_INFO, ("%s: 0x%x\n", __func__, key_mgmt)); - - if (WLAN_AKM_SUITE_PSK == key_mgmt) { - if (WPA_AUTH == ar->arAuthMode) { - ar->arAuthMode = WPA_PSK_AUTH; - } else if (WPA2_AUTH == ar->arAuthMode) { - ar->arAuthMode = WPA2_PSK_AUTH; - } - } else if (WLAN_AKM_SUITE_8021X != key_mgmt) { - ar->arAuthMode = NONE_AUTH; - } -} - -static int -ar6k_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev, - struct cfg80211_connect_params *sme) -{ - struct ar6_softc *ar = ar6k_priv(dev); - int status; - - AR_DEBUG_PRINTF(ATH_DEBUG_INFO, ("%s: \n", __func__)); - ar->smeState = SME_CONNECTING; - - if(ar->arWmiReady == false) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("%s: Wmi not ready yet\n", __func__)); - return -EIO; - } - - if(ar->arWlanState == WLAN_DISABLED) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("%s: Wlan disabled\n", __func__)); - return -EIO; - } - - if(ar->bIsDestroyProgress) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("%s: destroy in progress\n", __func__)); - return -EBUSY; - } - - if(!sme->ssid_len || IEEE80211_MAX_SSID_LEN < sme->ssid_len) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("%s: ssid invalid\n", __func__)); - return -EINVAL; - } - - if(ar->arSkipScan == true && - ((sme->channel && sme->channel->center_freq == 0) || - (sme->bssid && !sme->bssid[0] && !sme->bssid[1] && !sme->bssid[2] && - !sme->bssid[3] && !sme->bssid[4] && !sme->bssid[5]))) - { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("%s:SkipScan: channel or bssid invalid\n", __func__)); - return -EINVAL; - } - - if(down_interruptible(&ar->arSem)) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("%s: busy, couldn't get access\n", __func__)); - return -ERESTARTSYS; - } - - if(ar->bIsDestroyProgress) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("%s: busy, destroy in progress\n", __func__)); - up(&ar->arSem); - return -EBUSY; - } - - if(ar->arTxPending[wmi_get_control_ep(ar->arWmi)]) { - /* - * sleep until the command queue drains - */ - wait_event_interruptible_timeout(arEvent, - ar->arTxPending[wmi_get_control_ep(ar->arWmi)] == 0, wmitimeout * HZ); - if (signal_pending(current)) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("%s: cmd queue drain timeout\n", __func__)); - up(&ar->arSem); - return -EINTR; - } - } - - if(ar->arConnected == true && - ar->arSsidLen == sme->ssid_len && - !memcmp(ar->arSsid, sme->ssid, ar->arSsidLen)) { - reconnect_flag = true; - status = wmi_reconnect_cmd(ar->arWmi, - ar->arReqBssid, - ar->arChannelHint); - - up(&ar->arSem); - if (status) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("%s: wmi_reconnect_cmd failed\n", __func__)); - return -EIO; - } - return 0; - } else if(ar->arSsidLen == sme->ssid_len && - !memcmp(ar->arSsid, sme->ssid, ar->arSsidLen)) { - ar6000_disconnect(ar); - } - - A_MEMZERO(ar->arSsid, sizeof(ar->arSsid)); - ar->arSsidLen = sme->ssid_len; - memcpy(ar->arSsid, sme->ssid, sme->ssid_len); - - if(sme->channel){ - ar->arChannelHint = sme->channel->center_freq; - } - - A_MEMZERO(ar->arReqBssid, sizeof(ar->arReqBssid)); - if(sme->bssid){ - if(memcmp(&sme->bssid, bcast_mac, AR6000_ETH_ADDR_LEN)) { - memcpy(ar->arReqBssid, sme->bssid, sizeof(ar->arReqBssid)); - } - } - - ar6k_set_wpa_version(ar, sme->crypto.wpa_versions); - ar6k_set_auth_type(ar, sme->auth_type); - - if(sme->crypto.n_ciphers_pairwise) { - ar6k_set_cipher(ar, sme->crypto.ciphers_pairwise[0], true); - } else { - ar6k_set_cipher(ar, IW_AUTH_CIPHER_NONE, true); - } - ar6k_set_cipher(ar, sme->crypto.cipher_group, false); - - if(sme->crypto.n_akm_suites) { - ar6k_set_key_mgmt(ar, sme->crypto.akm_suites[0]); - } - - if((sme->key_len) && - (NONE_AUTH == ar->arAuthMode) && - (WEP_CRYPT == ar->arPairwiseCrypto)) { - struct ar_key *key = NULL; - - if(sme->key_idx < WMI_MIN_KEY_INDEX || sme->key_idx > WMI_MAX_KEY_INDEX) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, - ("%s: key index %d out of bounds\n", __func__, sme->key_idx)); - up(&ar->arSem); - return -ENOENT; - } - - key = &ar->keys[sme->key_idx]; - key->key_len = sme->key_len; - memcpy(key->key, sme->key, key->key_len); - key->cipher = ar->arPairwiseCrypto; - ar->arDefTxKeyIndex = sme->key_idx; - - wmi_addKey_cmd(ar->arWmi, sme->key_idx, - ar->arPairwiseCrypto, - GROUP_USAGE | TX_USAGE, - key->key_len, - NULL, - key->key, KEY_OP_INIT_VAL, NULL, - NO_SYNC_WMIFLAG); - } - - if (!ar->arUserBssFilter) { - if (wmi_bssfilter_cmd(ar->arWmi, ALL_BSS_FILTER, 0) != 0) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("%s: Couldn't set bss filtering\n", __func__)); - up(&ar->arSem); - return -EIO; - } - } - - ar->arNetworkType = ar->arNextMode; - - AR_DEBUG_PRINTF(ATH_DEBUG_INFO, ("%s: Connect called with authmode %d dot11 auth %d"\ - " PW crypto %d PW crypto Len %d GRP crypto %d"\ - " GRP crypto Len %d channel hint %u\n", - __func__, ar->arAuthMode, ar->arDot11AuthMode, - ar->arPairwiseCrypto, ar->arPairwiseCryptoLen, - ar->arGroupCrypto, ar->arGroupCryptoLen, ar->arChannelHint)); - - reconnect_flag = 0; - status = wmi_connect_cmd(ar->arWmi, ar->arNetworkType, - ar->arDot11AuthMode, ar->arAuthMode, - ar->arPairwiseCrypto, ar->arPairwiseCryptoLen, - ar->arGroupCrypto,ar->arGroupCryptoLen, - ar->arSsidLen, ar->arSsid, - ar->arReqBssid, ar->arChannelHint, - ar->arConnectCtrlFlags); - - up(&ar->arSem); - - if (A_EINVAL == status) { - A_MEMZERO(ar->arSsid, sizeof(ar->arSsid)); - ar->arSsidLen = 0; - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("%s: Invalid request\n", __func__)); - return -ENOENT; - } else if (status) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("%s: wmi_connect_cmd failed\n", __func__)); - return -EIO; - } - - if ((!(ar->arConnectCtrlFlags & CONNECT_DO_WPA_OFFLOAD)) && - ((WPA_PSK_AUTH == ar->arAuthMode) || (WPA2_PSK_AUTH == ar->arAuthMode))) - { - A_TIMEOUT_MS(&ar->disconnect_timer, A_DISCONNECT_TIMER_INTERVAL, 0); - } - - ar->arConnectCtrlFlags &= ~CONNECT_DO_WPA_OFFLOAD; - ar->arConnectPending = true; - - return 0; -} - -void -ar6k_cfg80211_connect_event(struct ar6_softc *ar, u16 channel, - u8 *bssid, u16 listenInterval, - u16 beaconInterval,NETWORK_TYPE networkType, - u8 beaconIeLen, u8 assocReqLen, - u8 assocRespLen, u8 *assocInfo) -{ - u16 size = 0; - u16 capability = 0; - struct cfg80211_bss *bss = NULL; - struct ieee80211_mgmt *mgmt = NULL; - struct ieee80211_channel *ibss_channel = NULL; - s32 signal = 50 * 100; - u8 ie_buf_len = 0; - unsigned char ie_buf[256]; - unsigned char *ptr_ie_buf = ie_buf; - unsigned char *ieeemgmtbuf = NULL; - u8 source_mac[ATH_MAC_LEN]; - - u8 assocReqIeOffset = sizeof(u16) + /* capinfo*/ - sizeof(u16); /* listen interval */ - u8 assocRespIeOffset = sizeof(u16) + /* capinfo*/ - sizeof(u16) + /* status Code */ - sizeof(u16); /* associd */ - u8 *assocReqIe = assocInfo + beaconIeLen + assocReqIeOffset; - u8 *assocRespIe = assocInfo + beaconIeLen + assocReqLen + assocRespIeOffset; - - AR_DEBUG_PRINTF(ATH_DEBUG_INFO, ("%s: \n", __func__)); - - assocReqLen -= assocReqIeOffset; - assocRespLen -= assocRespIeOffset; - - ar->arAutoAuthStage = AUTH_IDLE; - - if((ADHOC_NETWORK & networkType)) { - if(NL80211_IFTYPE_ADHOC != ar->wdev->iftype) { - AR_DEBUG_PRINTF(ATH_DEBUG_INFO, - ("%s: ath6k not in ibss mode\n", __func__)); - return; - } - } - - if((INFRA_NETWORK & networkType)) { - if(NL80211_IFTYPE_STATION != ar->wdev->iftype) { - AR_DEBUG_PRINTF(ATH_DEBUG_INFO, - ("%s: ath6k not in station mode\n", __func__)); - return; - } - } - - /* Before informing the join/connect event, make sure that - * bss entry is present in scan list, if it not present - * construct and insert into scan list, otherwise that - * event will be dropped on the way by cfg80211, due to - * this keys will not be plumbed in case of WEP and - * application will not be aware of join/connect status. */ - bss = cfg80211_get_bss(ar->wdev->wiphy, NULL, bssid, - ar->wdev->ssid, ar->wdev->ssid_len, - ((ADHOC_NETWORK & networkType) ? WLAN_CAPABILITY_IBSS : WLAN_CAPABILITY_ESS), - ((ADHOC_NETWORK & networkType) ? WLAN_CAPABILITY_IBSS : WLAN_CAPABILITY_ESS)); - - /* - * Earlier we were updating the cfg about bss by making a beacon frame - * only if the entry for bss is not there. This can have some issue if - * ROAM event is generated and a heavy traffic is ongoing. The ROAM - * event is handled through a work queue and by the time it really gets - * handled, BSS would have been aged out. So it is better to update the - * cfg about BSS irrespective of its entry being present right now or - * not. - */ - - if (ADHOC_NETWORK & networkType) { - /* construct 802.11 mgmt beacon */ - if(ptr_ie_buf) { - *ptr_ie_buf++ = WLAN_EID_SSID; - *ptr_ie_buf++ = ar->arSsidLen; - memcpy(ptr_ie_buf, ar->arSsid, ar->arSsidLen); - ptr_ie_buf +=ar->arSsidLen; - - *ptr_ie_buf++ = WLAN_EID_IBSS_PARAMS; - *ptr_ie_buf++ = 2; /* length */ - *ptr_ie_buf++ = 0; /* ATIM window */ - *ptr_ie_buf++ = 0; /* ATIM window */ - - /* TODO: update ibss params and include supported rates, - * DS param set, extened support rates, wmm. */ - - ie_buf_len = ptr_ie_buf - ie_buf; - } - - capability |= IEEE80211_CAPINFO_IBSS; - if(WEP_CRYPT == ar->arPairwiseCrypto) { - capability |= IEEE80211_CAPINFO_PRIVACY; - } - memcpy(source_mac, ar->arNetDev->dev_addr, ATH_MAC_LEN); - ptr_ie_buf = ie_buf; - } else { - capability = *(u16 *)(&assocInfo[beaconIeLen]); - memcpy(source_mac, bssid, ATH_MAC_LEN); - ptr_ie_buf = assocReqIe; - ie_buf_len = assocReqLen; - } - - size = offsetof(struct ieee80211_mgmt, u) - + sizeof(mgmt->u.beacon) - + ie_buf_len; - - ieeemgmtbuf = A_MALLOC_NOWAIT(size); - if(!ieeemgmtbuf) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, - ("%s: ieeeMgmtbuf alloc error\n", __func__)); - cfg80211_put_bss(bss); - return; - } - - A_MEMZERO(ieeemgmtbuf, size); - mgmt = (struct ieee80211_mgmt *)ieeemgmtbuf; - mgmt->frame_control = (IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON); - memcpy(mgmt->da, bcast_mac, ATH_MAC_LEN); - memcpy(mgmt->sa, source_mac, ATH_MAC_LEN); - memcpy(mgmt->bssid, bssid, ATH_MAC_LEN); - mgmt->u.beacon.beacon_int = beaconInterval; - mgmt->u.beacon.capab_info = capability; - memcpy(mgmt->u.beacon.variable, ptr_ie_buf, ie_buf_len); - - ibss_channel = ieee80211_get_channel(ar->wdev->wiphy, (int)channel); - - AR_DEBUG_PRINTF(ATH_DEBUG_INFO, - ("%s: inform bss with bssid %pM channel %d beaconInterval %d " - "capability 0x%x\n", __func__, mgmt->bssid, - ibss_channel->hw_value, beaconInterval, capability)); - - bss = cfg80211_inform_bss_frame(ar->wdev->wiphy, - ibss_channel, mgmt, - le16_to_cpu(size), - signal, GFP_KERNEL); - kfree(ieeemgmtbuf); - cfg80211_put_bss(bss); - - if((ADHOC_NETWORK & networkType)) { - cfg80211_ibss_joined(ar->arNetDev, bssid, GFP_KERNEL); - return; - } - - if (false == ar->arConnected) { - /* inform connect result to cfg80211 */ - ar->smeState = SME_DISCONNECTED; - cfg80211_connect_result(ar->arNetDev, bssid, - assocReqIe, assocReqLen, - assocRespIe, assocRespLen, - WLAN_STATUS_SUCCESS, GFP_KERNEL); - } else { - /* inform roam event to cfg80211 */ - cfg80211_roamed(ar->arNetDev, ibss_channel, bssid, - assocReqIe, assocReqLen, - assocRespIe, assocRespLen, - GFP_KERNEL); - } -} - -static int -ar6k_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev, - u16 reason_code) -{ - struct ar6_softc *ar = (struct ar6_softc *)ar6k_priv(dev); - - AR_DEBUG_PRINTF(ATH_DEBUG_INFO, ("%s: reason=%u\n", __func__, reason_code)); - - if(ar->arWmiReady == false) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("%s: Wmi not ready\n", __func__)); - return -EIO; - } - - if(ar->arWlanState == WLAN_DISABLED) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("%s: Wlan disabled\n", __func__)); - return -EIO; - } - - if(ar->bIsDestroyProgress) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("%s: busy, destroy in progress\n", __func__)); - return -EBUSY; - } - - if(down_interruptible(&ar->arSem)) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("%s: busy, couldn't get access\n", __func__)); - return -ERESTARTSYS; - } - - reconnect_flag = 0; - ar6000_disconnect(ar); - A_MEMZERO(ar->arSsid, sizeof(ar->arSsid)); - ar->arSsidLen = 0; - - if (ar->arSkipScan == false) { - A_MEMZERO(ar->arReqBssid, sizeof(ar->arReqBssid)); - } - - up(&ar->arSem); - - return 0; -} - -void -ar6k_cfg80211_disconnect_event(struct ar6_softc *ar, u8 reason, - u8 *bssid, u8 assocRespLen, - u8 *assocInfo, u16 protocolReasonStatus) -{ - - u16 status; - - AR_DEBUG_PRINTF(ATH_DEBUG_INFO, ("%s: reason=%u\n", __func__, reason)); - - if (ar->scan_request) { - cfg80211_scan_done(ar->scan_request, true); - ar->scan_request = NULL; - } - if((ADHOC_NETWORK & ar->arNetworkType)) { - if(NL80211_IFTYPE_ADHOC != ar->wdev->iftype) { - AR_DEBUG_PRINTF(ATH_DEBUG_INFO, - ("%s: ath6k not in ibss mode\n", __func__)); - return; - } - A_MEMZERO(bssid, ETH_ALEN); - cfg80211_ibss_joined(ar->arNetDev, bssid, GFP_KERNEL); - return; - } - - if((INFRA_NETWORK & ar->arNetworkType)) { - if(NL80211_IFTYPE_STATION != ar->wdev->iftype) { - AR_DEBUG_PRINTF(ATH_DEBUG_INFO, - ("%s: ath6k not in station mode\n", __func__)); - return; - } - } - - if(true == ar->arConnectPending) { - if(NO_NETWORK_AVAIL == reason) { - /* connect cmd failed */ - wmi_disconnect_cmd(ar->arWmi); - } else if (reason == DISCONNECT_CMD) { - if (ar->arAutoAuthStage) { - /* - * If the current auth algorithm is open try shared - * and make autoAuthStage idle. We do not make it - * leap for now being. - */ - if (ar->arDot11AuthMode == OPEN_AUTH) { - struct ar_key *key = NULL; - key = &ar->keys[ar->arDefTxKeyIndex]; - if (down_interruptible(&ar->arSem)) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("%s: busy, couldn't get access\n", __func__)); - return; - } - - - ar->arDot11AuthMode = SHARED_AUTH; - ar->arAutoAuthStage = AUTH_IDLE; - - wmi_addKey_cmd(ar->arWmi, ar->arDefTxKeyIndex, - ar->arPairwiseCrypto, - GROUP_USAGE | TX_USAGE, - key->key_len, - NULL, - key->key, KEY_OP_INIT_VAL, NULL, - NO_SYNC_WMIFLAG); - - status = wmi_connect_cmd(ar->arWmi, - ar->arNetworkType, - ar->arDot11AuthMode, - ar->arAuthMode, - ar->arPairwiseCrypto, - ar->arPairwiseCryptoLen, - ar->arGroupCrypto, - ar->arGroupCryptoLen, - ar->arSsidLen, - ar->arSsid, - ar->arReqBssid, - ar->arChannelHint, - ar->arConnectCtrlFlags); - up(&ar->arSem); - - } else if (ar->arDot11AuthMode == SHARED_AUTH) { - /* should not reach here */ - } - } else { - ar->arConnectPending = false; - if (ar->smeState == SME_CONNECTING) { - cfg80211_connect_result(ar->arNetDev, bssid, - NULL, 0, - NULL, 0, - WLAN_STATUS_UNSPECIFIED_FAILURE, - GFP_KERNEL); - } else { - cfg80211_disconnected(ar->arNetDev, - reason, - NULL, 0, - GFP_KERNEL); - } - ar->smeState = SME_DISCONNECTED; - } - } - } else { - if (reason != DISCONNECT_CMD) - wmi_disconnect_cmd(ar->arWmi); - } -} - -void -ar6k_cfg80211_scan_node(void *arg, bss_t *ni) -{ - struct wiphy *wiphy = (struct wiphy *)arg; - u16 size; - unsigned char *ieeemgmtbuf = NULL; - struct ieee80211_mgmt *mgmt; - struct ieee80211_channel *channel; - struct ieee80211_supported_band *band; - struct ieee80211_common_ie *cie; - s32 signal; - int freq; - - cie = &ni->ni_cie; - -#define CHAN_IS_11A(x) (!((x >= 2412) && (x <= 2484))) - if(CHAN_IS_11A(cie->ie_chan)) { - /* 11a */ - band = wiphy->bands[IEEE80211_BAND_5GHZ]; - } else if((cie->ie_erp) || (cie->ie_xrates)) { - /* 11g */ - band = wiphy->bands[IEEE80211_BAND_2GHZ]; - } else { - /* 11b */ - band = wiphy->bands[IEEE80211_BAND_2GHZ]; - } - - size = ni->ni_framelen + offsetof(struct ieee80211_mgmt, u); - ieeemgmtbuf = A_MALLOC_NOWAIT(size); - if(!ieeemgmtbuf) - { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("%s: ieeeMgmtbuf alloc error\n", __func__)); - return; - } - - /* Note: - TODO: Update target to include 802.11 mac header while sending bss info. - Target removes 802.11 mac header while sending the bss info to host, - cfg80211 needs it, for time being just filling the da, sa and bssid fields alone. - */ - mgmt = (struct ieee80211_mgmt *)ieeemgmtbuf; - memcpy(mgmt->da, bcast_mac, ATH_MAC_LEN); - memcpy(mgmt->sa, ni->ni_macaddr, ATH_MAC_LEN); - memcpy(mgmt->bssid, ni->ni_macaddr, ATH_MAC_LEN); - memcpy(ieeemgmtbuf + offsetof(struct ieee80211_mgmt, u), - ni->ni_buf, ni->ni_framelen); - - freq = cie->ie_chan; - channel = ieee80211_get_channel(wiphy, freq); - signal = ni->ni_snr * 100; - - AR_DEBUG_PRINTF(ATH_DEBUG_INFO, - ("%s: bssid %pM channel %d freq %d size %d\n", __func__, - mgmt->bssid, channel->hw_value, freq, size)); - cfg80211_inform_bss_frame(wiphy, channel, mgmt, - le16_to_cpu(size), - signal, GFP_KERNEL); - - kfree (ieeemgmtbuf); -} - -static int -ar6k_cfg80211_scan(struct wiphy *wiphy, struct net_device *ndev, - struct cfg80211_scan_request *request) -{ - struct ar6_softc *ar = (struct ar6_softc *)ar6k_priv(ndev); - int ret = 0; - u32 forceFgScan = 0; - - AR_DEBUG_PRINTF(ATH_DEBUG_INFO, ("%s: \n", __func__)); - - if(ar->arWmiReady == false) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("%s: Wmi not ready\n", __func__)); - return -EIO; - } - - if(ar->arWlanState == WLAN_DISABLED) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("%s: Wlan disabled\n", __func__)); - return -EIO; - } - - if (!ar->arUserBssFilter) { - if (wmi_bssfilter_cmd(ar->arWmi, - (ar->arConnected ? ALL_BUT_BSS_FILTER : ALL_BSS_FILTER), - 0) != 0) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("%s: Couldn't set bss filtering\n", __func__)); - return -EIO; - } - } - - if(request->n_ssids && - request->ssids[0].ssid_len) { - u8 i; - - if(request->n_ssids > (MAX_PROBED_SSID_INDEX - 1)) { - request->n_ssids = MAX_PROBED_SSID_INDEX - 1; - } - - for (i = 0; i < request->n_ssids; i++) { - wmi_probedSsid_cmd(ar->arWmi, i+1, SPECIFIC_SSID_FLAG, - request->ssids[i].ssid_len, - request->ssids[i].ssid); - } - } - - if(ar->arConnected) { - forceFgScan = 1; - } - - if(wmi_startscan_cmd(ar->arWmi, WMI_LONG_SCAN, forceFgScan, false, \ - 0, 0, 0, NULL) != 0) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("%s: wmi_startscan_cmd failed\n", __func__)); - ret = -EIO; - } - - ar->scan_request = request; - - return ret; -} - -void -ar6k_cfg80211_scanComplete_event(struct ar6_softc *ar, int status) -{ - - AR_DEBUG_PRINTF(ATH_DEBUG_INFO, ("%s: status %d\n", __func__, status)); - - if (!ar->scan_request) - return; - - if ((status == A_ECANCELED) || (status == A_EBUSY)) { - cfg80211_scan_done(ar->scan_request, true); - goto out; - } - - /* Translate data to cfg80211 mgmt format */ - wmi_iterate_nodes(ar->arWmi, ar6k_cfg80211_scan_node, ar->wdev->wiphy); - - cfg80211_scan_done(ar->scan_request, false); - - if(ar->scan_request->n_ssids && - ar->scan_request->ssids[0].ssid_len) { - u8 i; - - for (i = 0; i < ar->scan_request->n_ssids; i++) { - wmi_probedSsid_cmd(ar->arWmi, i+1, DISABLE_SSID_FLAG, - 0, NULL); - } - } - -out: - ar->scan_request = NULL; -} - -static int -ar6k_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev, - u8 key_index, bool pairwise, const u8 *mac_addr, - struct key_params *params) -{ - struct ar6_softc *ar = (struct ar6_softc *)ar6k_priv(ndev); - struct ar_key *key = NULL; - u8 key_usage; - u8 key_type; - int status = 0; - - AR_DEBUG_PRINTF(ATH_DEBUG_INFO, ("%s:\n", __func__)); - - if(ar->arWmiReady == false) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("%s: Wmi not ready\n", __func__)); - return -EIO; - } - - if(ar->arWlanState == WLAN_DISABLED) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("%s: Wlan disabled\n", __func__)); - return -EIO; - } - - if(key_index < WMI_MIN_KEY_INDEX || key_index > WMI_MAX_KEY_INDEX) { - AR_DEBUG_PRINTF(ATH_DEBUG_INFO, - ("%s: key index %d out of bounds\n", __func__, key_index)); - return -ENOENT; - } - - key = &ar->keys[key_index]; - A_MEMZERO(key, sizeof(struct ar_key)); - - if(!mac_addr || is_broadcast_ether_addr(mac_addr)) { - key_usage = GROUP_USAGE; - } else { - key_usage = PAIRWISE_USAGE; - } - - if(params) { - if(params->key_len > WLAN_MAX_KEY_LEN || - params->seq_len > IW_ENCODE_SEQ_MAX_SIZE) - return -EINVAL; - - key->key_len = params->key_len; - memcpy(key->key, params->key, key->key_len); - key->seq_len = params->seq_len; - memcpy(key->seq, params->seq, key->seq_len); - key->cipher = params->cipher; - } - - switch (key->cipher) { - case WLAN_CIPHER_SUITE_WEP40: - case WLAN_CIPHER_SUITE_WEP104: - key_type = WEP_CRYPT; - break; - - case WLAN_CIPHER_SUITE_TKIP: - key_type = TKIP_CRYPT; - break; - - case WLAN_CIPHER_SUITE_CCMP: - key_type = AES_CRYPT; - break; - - default: - return -ENOTSUPP; - } - - if (((WPA_PSK_AUTH == ar->arAuthMode) || (WPA2_PSK_AUTH == ar->arAuthMode)) && - (GROUP_USAGE & key_usage)) - { - A_UNTIMEOUT(&ar->disconnect_timer); - } - - AR_DEBUG_PRINTF(ATH_DEBUG_INFO, - ("%s: index %d, key_len %d, key_type 0x%x,"\ - " key_usage 0x%x, seq_len %d\n", - __func__, key_index, key->key_len, key_type, - key_usage, key->seq_len)); - - ar->arDefTxKeyIndex = key_index; - status = wmi_addKey_cmd(ar->arWmi, ar->arDefTxKeyIndex, key_type, key_usage, - key->key_len, key->seq, key->key, KEY_OP_INIT_VAL, - (u8 *)mac_addr, SYNC_BOTH_WMIFLAG); - - - if (status) { - return -EIO; - } - - return 0; -} - -static int -ar6k_cfg80211_del_key(struct wiphy *wiphy, struct net_device *ndev, - u8 key_index, bool pairwise, const u8 *mac_addr) -{ - struct ar6_softc *ar = (struct ar6_softc *)ar6k_priv(ndev); - - AR_DEBUG_PRINTF(ATH_DEBUG_INFO, ("%s: index %d\n", __func__, key_index)); - - if(ar->arWmiReady == false) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("%s: Wmi not ready\n", __func__)); - return -EIO; - } - - if(ar->arWlanState == WLAN_DISABLED) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("%s: Wlan disabled\n", __func__)); - return -EIO; - } - - if(key_index < WMI_MIN_KEY_INDEX || key_index > WMI_MAX_KEY_INDEX) { - AR_DEBUG_PRINTF(ATH_DEBUG_INFO, - ("%s: key index %d out of bounds\n", __func__, key_index)); - return -ENOENT; - } - - if(!ar->keys[key_index].key_len) { - AR_DEBUG_PRINTF(ATH_DEBUG_INFO, ("%s: index %d is empty\n", __func__, key_index)); - return 0; - } - - ar->keys[key_index].key_len = 0; - - return wmi_deleteKey_cmd(ar->arWmi, key_index); -} - - -static int -ar6k_cfg80211_get_key(struct wiphy *wiphy, struct net_device *ndev, - u8 key_index, bool pairwise, const u8 *mac_addr, - void *cookie, - void (*callback)(void *cookie, struct key_params*)) -{ - struct ar6_softc *ar = (struct ar6_softc *)ar6k_priv(ndev); - struct ar_key *key = NULL; - struct key_params params; - - AR_DEBUG_PRINTF(ATH_DEBUG_INFO, ("%s: index %d\n", __func__, key_index)); - - if(ar->arWmiReady == false) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("%s: Wmi not ready\n", __func__)); - return -EIO; - } - - if(ar->arWlanState == WLAN_DISABLED) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("%s: Wlan disabled\n", __func__)); - return -EIO; - } - - if(key_index < WMI_MIN_KEY_INDEX || key_index > WMI_MAX_KEY_INDEX) { - AR_DEBUG_PRINTF(ATH_DEBUG_INFO, - ("%s: key index %d out of bounds\n", __func__, key_index)); - return -ENOENT; - } - - key = &ar->keys[key_index]; - A_MEMZERO(¶ms, sizeof(params)); - params.cipher = key->cipher; - params.key_len = key->key_len; - params.seq_len = key->seq_len; - params.seq = key->seq; - params.key = key->key; - - callback(cookie, ¶ms); - - return key->key_len ? 0 : -ENOENT; -} - - -static int -ar6k_cfg80211_set_default_key(struct wiphy *wiphy, struct net_device *ndev, - u8 key_index, bool unicast, bool multicast) -{ - struct ar6_softc *ar = (struct ar6_softc *)ar6k_priv(ndev); - struct ar_key *key = NULL; - int status = 0; - u8 key_usage; - - AR_DEBUG_PRINTF(ATH_DEBUG_INFO, ("%s: index %d\n", __func__, key_index)); - - if(ar->arWmiReady == false) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("%s: Wmi not ready\n", __func__)); - return -EIO; - } - - if(ar->arWlanState == WLAN_DISABLED) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("%s: Wlan disabled\n", __func__)); - return -EIO; - } - - if(key_index < WMI_MIN_KEY_INDEX || key_index > WMI_MAX_KEY_INDEX) { - AR_DEBUG_PRINTF(ATH_DEBUG_INFO, - ("%s: key index %d out of bounds\n", - __func__, key_index)); - return -ENOENT; - } - - if(!ar->keys[key_index].key_len) { - AR_DEBUG_PRINTF(ATH_DEBUG_INFO, ("%s: invalid key index %d\n", - __func__, key_index)); - return -EINVAL; - } - - ar->arDefTxKeyIndex = key_index; - key = &ar->keys[ar->arDefTxKeyIndex]; - key_usage = GROUP_USAGE; - if (WEP_CRYPT == ar->arPairwiseCrypto) { - key_usage |= TX_USAGE; - } - - status = wmi_addKey_cmd(ar->arWmi, ar->arDefTxKeyIndex, - ar->arPairwiseCrypto, key_usage, - key->key_len, key->seq, key->key, KEY_OP_INIT_VAL, - NULL, SYNC_BOTH_WMIFLAG); - if (status) { - return -EIO; - } - - return 0; -} - -static int -ar6k_cfg80211_set_default_mgmt_key(struct wiphy *wiphy, struct net_device *ndev, - u8 key_index) -{ - struct ar6_softc *ar = (struct ar6_softc *)ar6k_priv(ndev); - - AR_DEBUG_PRINTF(ATH_DEBUG_INFO, ("%s: index %d\n", __func__, key_index)); - - if(ar->arWmiReady == false) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("%s: Wmi not ready\n", __func__)); - return -EIO; - } - - if(ar->arWlanState == WLAN_DISABLED) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("%s: Wlan disabled\n", __func__)); - return -EIO; - } - - AR_DEBUG_PRINTF(ATH_DEBUG_INFO, ("%s: not supported\n", __func__)); - return -ENOTSUPP; -} - -void -ar6k_cfg80211_tkip_micerr_event(struct ar6_softc *ar, u8 keyid, bool ismcast) -{ - AR_DEBUG_PRINTF(ATH_DEBUG_INFO, - ("%s: keyid %d, ismcast %d\n", __func__, keyid, ismcast)); - - cfg80211_michael_mic_failure(ar->arNetDev, ar->arBssid, - (ismcast ? NL80211_KEYTYPE_GROUP : NL80211_KEYTYPE_PAIRWISE), - keyid, NULL, GFP_KERNEL); -} - -static int -ar6k_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) -{ - struct ar6_softc *ar = (struct ar6_softc *)wiphy_priv(wiphy); - - AR_DEBUG_PRINTF(ATH_DEBUG_INFO, ("%s: changed 0x%x\n", __func__, changed)); - - if(ar->arWmiReady == false) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("%s: Wmi not ready\n", __func__)); - return -EIO; - } - - if(ar->arWlanState == WLAN_DISABLED) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("%s: Wlan disabled\n", __func__)); - return -EIO; - } - - if (changed & WIPHY_PARAM_RTS_THRESHOLD) { - if (wmi_set_rts_cmd(ar->arWmi,wiphy->rts_threshold) != 0){ - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("%s: wmi_set_rts_cmd failed\n", __func__)); - return -EIO; - } - } - - return 0; -} - -static int -ar6k_cfg80211_set_bitrate_mask(struct wiphy *wiphy, struct net_device *dev, - const u8 *peer, - const struct cfg80211_bitrate_mask *mask) -{ - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("Setting rates: Not supported\n")); - return -EIO; -} - -/* The type nl80211_tx_power_setting replaces the following data type from 2.6.36 onwards */ -static int -ar6k_cfg80211_set_txpower(struct wiphy *wiphy, enum nl80211_tx_power_setting type, int dbm) -{ - struct ar6_softc *ar = (struct ar6_softc *)wiphy_priv(wiphy); - u8 ar_dbm; - - AR_DEBUG_PRINTF(ATH_DEBUG_INFO, ("%s: type 0x%x, dbm %d\n", __func__, type, dbm)); - - if(ar->arWmiReady == false) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("%s: Wmi not ready\n", __func__)); - return -EIO; - } - - if(ar->arWlanState == WLAN_DISABLED) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("%s: Wlan disabled\n", __func__)); - return -EIO; - } - - ar->arTxPwrSet = false; - switch(type) { - case NL80211_TX_POWER_AUTOMATIC: - return 0; - case NL80211_TX_POWER_LIMITED: - ar->arTxPwr = ar_dbm = dbm; - ar->arTxPwrSet = true; - break; - default: - AR_DEBUG_PRINTF(ATH_DEBUG_INFO, ("%s: type 0x%x not supported\n", __func__, type)); - return -EOPNOTSUPP; - } - - wmi_set_txPwr_cmd(ar->arWmi, ar_dbm); - - return 0; -} - -static int -ar6k_cfg80211_get_txpower(struct wiphy *wiphy, int *dbm) -{ - struct ar6_softc *ar = (struct ar6_softc *)wiphy_priv(wiphy); - - AR_DEBUG_PRINTF(ATH_DEBUG_INFO, ("%s: \n", __func__)); - - if(ar->arWmiReady == false) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("%s: Wmi not ready\n", __func__)); - return -EIO; - } - - if(ar->arWlanState == WLAN_DISABLED) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("%s: Wlan disabled\n", __func__)); - return -EIO; - } - - if((ar->arConnected == true)) { - ar->arTxPwr = 0; - - if(wmi_get_txPwr_cmd(ar->arWmi) != 0) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("%s: wmi_get_txPwr_cmd failed\n", __func__)); - return -EIO; - } - - wait_event_interruptible_timeout(arEvent, ar->arTxPwr != 0, 5 * HZ); - - if(signal_pending(current)) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("%s: Target did not respond\n", __func__)); - return -EINTR; - } - } - - *dbm = ar->arTxPwr; - return 0; -} - -static int -ar6k_cfg80211_set_power_mgmt(struct wiphy *wiphy, - struct net_device *dev, - bool pmgmt, int timeout) -{ - struct ar6_softc *ar = ar6k_priv(dev); - WMI_POWER_MODE_CMD pwrMode; - - AR_DEBUG_PRINTF(ATH_DEBUG_INFO, ("%s: pmgmt %d, timeout %d\n", __func__, pmgmt, timeout)); - - if(ar->arWmiReady == false) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("%s: Wmi not ready\n", __func__)); - return -EIO; - } - - if(ar->arWlanState == WLAN_DISABLED) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("%s: Wlan disabled\n", __func__)); - return -EIO; - } - - if(pmgmt) { - AR_DEBUG_PRINTF(ATH_DEBUG_INFO, ("%s: Max Perf\n", __func__)); - pwrMode.powerMode = REC_POWER; - } else { - AR_DEBUG_PRINTF(ATH_DEBUG_INFO, ("%s: Rec Power\n", __func__)); - pwrMode.powerMode = MAX_PERF_POWER; - } - - if(wmi_powermode_cmd(ar->arWmi, pwrMode.powerMode) != 0) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("%s: wmi_powermode_cmd failed\n", __func__)); - return -EIO; - } - - return 0; -} - -static struct net_device * -ar6k_cfg80211_add_virtual_intf(struct wiphy *wiphy, char *name, - enum nl80211_iftype type, u32 *flags, - struct vif_params *params) -{ - - AR_DEBUG_PRINTF(ATH_DEBUG_INFO, ("%s: not supported\n", __func__)); - - /* Multiple virtual interface is not supported. - * The default interface supports STA and IBSS type - */ - return ERR_PTR(-EOPNOTSUPP); -} - -static int -ar6k_cfg80211_del_virtual_intf(struct wiphy *wiphy, struct net_device *dev) -{ - - AR_DEBUG_PRINTF(ATH_DEBUG_INFO, ("%s: not supported\n", __func__)); - - /* Multiple virtual interface is not supported. - * The default interface supports STA and IBSS type - */ - return -EOPNOTSUPP; -} - -static int -ar6k_cfg80211_change_iface(struct wiphy *wiphy, struct net_device *ndev, - enum nl80211_iftype type, u32 *flags, - struct vif_params *params) -{ - struct ar6_softc *ar = ar6k_priv(ndev); - struct wireless_dev *wdev = ar->wdev; - - AR_DEBUG_PRINTF(ATH_DEBUG_INFO, ("%s: type %u\n", __func__, type)); - - if(ar->arWmiReady == false) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("%s: Wmi not ready\n", __func__)); - return -EIO; - } - - if(ar->arWlanState == WLAN_DISABLED) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("%s: Wlan disabled\n", __func__)); - return -EIO; - } - - switch (type) { - case NL80211_IFTYPE_STATION: - ar->arNextMode = INFRA_NETWORK; - break; - case NL80211_IFTYPE_ADHOC: - ar->arNextMode = ADHOC_NETWORK; - break; - default: - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("%s: type %u\n", __func__, type)); - return -EOPNOTSUPP; - } - - wdev->iftype = type; - - return 0; -} - -static int -ar6k_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, - struct cfg80211_ibss_params *ibss_param) -{ - struct ar6_softc *ar = ar6k_priv(dev); - int status; - - AR_DEBUG_PRINTF(ATH_DEBUG_INFO, ("%s: \n", __func__)); - - if(ar->arWmiReady == false) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("%s: Wmi not ready\n", __func__)); - return -EIO; - } - - if(ar->arWlanState == WLAN_DISABLED) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("%s: Wlan disabled\n", __func__)); - return -EIO; - } - - if(!ibss_param->ssid_len || IEEE80211_MAX_SSID_LEN < ibss_param->ssid_len) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("%s: ssid invalid\n", __func__)); - return -EINVAL; - } - - ar->arSsidLen = ibss_param->ssid_len; - memcpy(ar->arSsid, ibss_param->ssid, ar->arSsidLen); - - if(ibss_param->channel) { - ar->arChannelHint = ibss_param->channel->center_freq; - } - - if(ibss_param->channel_fixed) { - /* TODO: channel_fixed: The channel should be fixed, do not search for - * IBSSs to join on other channels. Target firmware does not support this - * feature, needs to be updated.*/ - } - - A_MEMZERO(ar->arReqBssid, sizeof(ar->arReqBssid)); - if(ibss_param->bssid) { - if(memcmp(&ibss_param->bssid, bcast_mac, AR6000_ETH_ADDR_LEN)) { - memcpy(ar->arReqBssid, ibss_param->bssid, sizeof(ar->arReqBssid)); - } - } - - ar6k_set_wpa_version(ar, 0); - ar6k_set_auth_type(ar, NL80211_AUTHTYPE_OPEN_SYSTEM); - - if(ibss_param->privacy) { - ar6k_set_cipher(ar, WLAN_CIPHER_SUITE_WEP40, true); - ar6k_set_cipher(ar, WLAN_CIPHER_SUITE_WEP40, false); - } else { - ar6k_set_cipher(ar, IW_AUTH_CIPHER_NONE, true); - ar6k_set_cipher(ar, IW_AUTH_CIPHER_NONE, false); - } - - ar->arNetworkType = ar->arNextMode; - - AR_DEBUG_PRINTF(ATH_DEBUG_INFO, ("%s: Connect called with authmode %d dot11 auth %d"\ - " PW crypto %d PW crypto Len %d GRP crypto %d"\ - " GRP crypto Len %d channel hint %u\n", - __func__, ar->arAuthMode, ar->arDot11AuthMode, - ar->arPairwiseCrypto, ar->arPairwiseCryptoLen, - ar->arGroupCrypto, ar->arGroupCryptoLen, ar->arChannelHint)); - - status = wmi_connect_cmd(ar->arWmi, ar->arNetworkType, - ar->arDot11AuthMode, ar->arAuthMode, - ar->arPairwiseCrypto, ar->arPairwiseCryptoLen, - ar->arGroupCrypto,ar->arGroupCryptoLen, - ar->arSsidLen, ar->arSsid, - ar->arReqBssid, ar->arChannelHint, - ar->arConnectCtrlFlags); - ar->arConnectPending = true; - - return 0; -} - -static int -ar6k_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) -{ - struct ar6_softc *ar = (struct ar6_softc *)ar6k_priv(dev); - - AR_DEBUG_PRINTF(ATH_DEBUG_INFO, ("%s: \n", __func__)); - - if(ar->arWmiReady == false) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("%s: Wmi not ready\n", __func__)); - return -EIO; - } - - if(ar->arWlanState == WLAN_DISABLED) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("%s: Wlan disabled\n", __func__)); - return -EIO; - } - - ar6000_disconnect(ar); - A_MEMZERO(ar->arSsid, sizeof(ar->arSsid)); - ar->arSsidLen = 0; - - return 0; -} - -#ifdef CONFIG_NL80211_TESTMODE -enum ar6k_testmode_attr { - __AR6K_TM_ATTR_INVALID = 0, - AR6K_TM_ATTR_CMD = 1, - AR6K_TM_ATTR_DATA = 2, - - /* keep last */ - __AR6K_TM_ATTR_AFTER_LAST, - AR6K_TM_ATTR_MAX = __AR6K_TM_ATTR_AFTER_LAST - 1 -}; - -enum ar6k_testmode_cmd { - AR6K_TM_CMD_TCMD = 0, - AR6K_TM_CMD_RX_REPORT = 1, -}; - -#define AR6K_TM_DATA_MAX_LEN 5000 - -static const struct nla_policy ar6k_testmode_policy[AR6K_TM_ATTR_MAX + 1] = { - [AR6K_TM_ATTR_CMD] = { .type = NLA_U32 }, - [AR6K_TM_ATTR_DATA] = { .type = NLA_BINARY, - .len = AR6K_TM_DATA_MAX_LEN }, -}; - -void ar6000_testmode_rx_report_event(struct ar6_softc *ar, void *buf, - int buf_len) -{ - if (down_interruptible(&ar->arSem)) - return; - - kfree(ar->tcmd_rx_report); - - ar->tcmd_rx_report = kmemdup(buf, buf_len, GFP_KERNEL); - ar->tcmd_rx_report_len = buf_len; - - up(&ar->arSem); - - wake_up(&arEvent); -} - -static int ar6000_testmode_rx_report(struct ar6_softc *ar, void *buf, - int buf_len, struct sk_buff *skb) -{ - int ret = 0; - long left; - - if (down_interruptible(&ar->arSem)) - return -ERESTARTSYS; - - if (ar->arWmiReady == false) { - ret = -EIO; - goto out; - } - - if (ar->bIsDestroyProgress) { - ret = -EBUSY; - goto out; - } - - WARN_ON(ar->tcmd_rx_report != NULL); - WARN_ON(ar->tcmd_rx_report_len > 0); - - if (wmi_test_cmd(ar->arWmi, buf, buf_len) < 0) { - up(&ar->arSem); - return -EIO; - } - - left = wait_event_interruptible_timeout(arEvent, - ar->tcmd_rx_report != NULL, - wmitimeout * HZ); - - if (left == 0) { - ret = -ETIMEDOUT; - goto out; - } else if (left < 0) { - ret = left; - goto out; - } - - if (ar->tcmd_rx_report == NULL || ar->tcmd_rx_report_len == 0) { - ret = -EINVAL; - goto out; - } - - NLA_PUT(skb, AR6K_TM_ATTR_DATA, ar->tcmd_rx_report_len, - ar->tcmd_rx_report); - - kfree(ar->tcmd_rx_report); - ar->tcmd_rx_report = NULL; - -out: - up(&ar->arSem); - - return ret; - -nla_put_failure: - ret = -ENOBUFS; - goto out; -} - -static int ar6k_testmode_cmd(struct wiphy *wiphy, void *data, int len) -{ - struct ar6_softc *ar = wiphy_priv(wiphy); - struct nlattr *tb[AR6K_TM_ATTR_MAX + 1]; - int err, buf_len, reply_len; - struct sk_buff *skb; - void *buf; - - err = nla_parse(tb, AR6K_TM_ATTR_MAX, data, len, - ar6k_testmode_policy); - if (err) - return err; - - if (!tb[AR6K_TM_ATTR_CMD]) - return -EINVAL; - - switch (nla_get_u32(tb[AR6K_TM_ATTR_CMD])) { - case AR6K_TM_CMD_TCMD: - if (!tb[AR6K_TM_ATTR_DATA]) - return -EINVAL; - - buf = nla_data(tb[AR6K_TM_ATTR_DATA]); - buf_len = nla_len(tb[AR6K_TM_ATTR_DATA]); - - wmi_test_cmd(ar->arWmi, buf, buf_len); - - return 0; - - break; - case AR6K_TM_CMD_RX_REPORT: - if (!tb[AR6K_TM_ATTR_DATA]) - return -EINVAL; - - buf = nla_data(tb[AR6K_TM_ATTR_DATA]); - buf_len = nla_len(tb[AR6K_TM_ATTR_DATA]); - - reply_len = nla_total_size(AR6K_TM_DATA_MAX_LEN); - skb = cfg80211_testmode_alloc_reply_skb(wiphy, reply_len); - if (!skb) - return -ENOMEM; - - err = ar6000_testmode_rx_report(ar, buf, buf_len, skb); - if (err < 0) { - kfree_skb(skb); - return err; - } - - return cfg80211_testmode_reply(skb); - default: - return -EOPNOTSUPP; - } -} -#endif - -static const -u32 cipher_suites[] = { - WLAN_CIPHER_SUITE_WEP40, - WLAN_CIPHER_SUITE_WEP104, - WLAN_CIPHER_SUITE_TKIP, - WLAN_CIPHER_SUITE_CCMP, -}; - -bool is_rate_legacy(s32 rate) -{ - static const s32 legacy[] = { 1000, 2000, 5500, 11000, - 6000, 9000, 12000, 18000, 24000, - 36000, 48000, 54000 }; - u8 i; - - for (i = 0; i < ARRAY_SIZE(legacy); i++) { - if (rate == legacy[i]) - return true; - } - - return false; -} - -bool is_rate_ht20(s32 rate, u8 *mcs, bool *sgi) -{ - static const s32 ht20[] = { 6500, 13000, 19500, 26000, 39000, - 52000, 58500, 65000, 72200 }; - u8 i; - - for (i = 0; i < ARRAY_SIZE(ht20); i++) { - if (rate == ht20[i]) { - if (i == ARRAY_SIZE(ht20) - 1) - /* last rate uses sgi */ - *sgi = true; - else - *sgi = false; - - *mcs = i; - return true; - } - } - return false; -} - -bool is_rate_ht40(s32 rate, u8 *mcs, bool *sgi) -{ - static const s32 ht40[] = { 13500, 27000, 40500, 54000, - 81000, 108000, 121500, 135000, - 150000 }; - u8 i; - - for (i = 0; i < ARRAY_SIZE(ht40); i++) { - if (rate == ht40[i]) { - if (i == ARRAY_SIZE(ht40) - 1) - /* last rate uses sgi */ - *sgi = true; - else - *sgi = false; - - *mcs = i; - return true; - } - } - - return false; -} - -static int ar6k_get_station(struct wiphy *wiphy, struct net_device *dev, - u8 *mac, struct station_info *sinfo) -{ - struct ar6_softc *ar = ar6k_priv(dev); - long left; - bool sgi; - s32 rate; - int ret; - u8 mcs; - - if (memcmp(mac, ar->arBssid, ETH_ALEN) != 0) - return -ENOENT; - - if (down_interruptible(&ar->arSem)) - return -EBUSY; - - ar->statsUpdatePending = true; - - ret = wmi_get_stats_cmd(ar->arWmi); - - if (ret != 0) { - up(&ar->arSem); - return -EIO; - } - - left = wait_event_interruptible_timeout(arEvent, - ar->statsUpdatePending == false, - wmitimeout * HZ); - - up(&ar->arSem); - - if (left == 0) - return -ETIMEDOUT; - else if (left < 0) - return left; - - if (ar->arTargetStats.rx_bytes) { - sinfo->rx_bytes = ar->arTargetStats.rx_bytes; - sinfo->filled |= STATION_INFO_RX_BYTES; - sinfo->rx_packets = ar->arTargetStats.rx_packets; - sinfo->filled |= STATION_INFO_RX_PACKETS; - } - - if (ar->arTargetStats.tx_bytes) { - sinfo->tx_bytes = ar->arTargetStats.tx_bytes; - sinfo->filled |= STATION_INFO_TX_BYTES; - sinfo->tx_packets = ar->arTargetStats.tx_packets; - sinfo->filled |= STATION_INFO_TX_PACKETS; - } - - sinfo->signal = ar->arTargetStats.cs_rssi; - sinfo->filled |= STATION_INFO_SIGNAL; - - rate = ar->arTargetStats.tx_unicast_rate; - - if (is_rate_legacy(rate)) { - sinfo->txrate.legacy = rate / 100; - } else if (is_rate_ht20(rate, &mcs, &sgi)) { - if (sgi) { - sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; - sinfo->txrate.mcs = mcs - 1; - } else { - sinfo->txrate.mcs = mcs; - } - - sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS; - } else if (is_rate_ht40(rate, &mcs, &sgi)) { - if (sgi) { - sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; - sinfo->txrate.mcs = mcs - 1; - } else { - sinfo->txrate.mcs = mcs; - } - - sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; - sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS; - } else { - WARN(1, "invalid rate: %d", rate); - return 0; - } - - sinfo->filled |= STATION_INFO_TX_BITRATE; - - return 0; -} - -static int ar6k_set_pmksa(struct wiphy *wiphy, struct net_device *netdev, - struct cfg80211_pmksa *pmksa) -{ - struct ar6_softc *ar = ar6k_priv(netdev); - return wmi_setPmkid_cmd(ar->arWmi, pmksa->bssid, pmksa->pmkid, true); -} - -static int ar6k_del_pmksa(struct wiphy *wiphy, struct net_device *netdev, - struct cfg80211_pmksa *pmksa) -{ - struct ar6_softc *ar = ar6k_priv(netdev); - return wmi_setPmkid_cmd(ar->arWmi, pmksa->bssid, pmksa->pmkid, false); -} - -static int ar6k_flush_pmksa(struct wiphy *wiphy, struct net_device *netdev) -{ - struct ar6_softc *ar = ar6k_priv(netdev); - if (ar->arConnected) - return wmi_setPmkid_cmd(ar->arWmi, ar->arBssid, NULL, false); - return 0; -} - -static struct -cfg80211_ops ar6k_cfg80211_ops = { - .change_virtual_intf = ar6k_cfg80211_change_iface, - .add_virtual_intf = ar6k_cfg80211_add_virtual_intf, - .del_virtual_intf = ar6k_cfg80211_del_virtual_intf, - .scan = ar6k_cfg80211_scan, - .connect = ar6k_cfg80211_connect, - .disconnect = ar6k_cfg80211_disconnect, - .add_key = ar6k_cfg80211_add_key, - .get_key = ar6k_cfg80211_get_key, - .del_key = ar6k_cfg80211_del_key, - .set_default_key = ar6k_cfg80211_set_default_key, - .set_default_mgmt_key = ar6k_cfg80211_set_default_mgmt_key, - .set_wiphy_params = ar6k_cfg80211_set_wiphy_params, - .set_bitrate_mask = ar6k_cfg80211_set_bitrate_mask, - .set_tx_power = ar6k_cfg80211_set_txpower, - .get_tx_power = ar6k_cfg80211_get_txpower, - .set_power_mgmt = ar6k_cfg80211_set_power_mgmt, - .join_ibss = ar6k_cfg80211_join_ibss, - .leave_ibss = ar6k_cfg80211_leave_ibss, - .get_station = ar6k_get_station, - .set_pmksa = ar6k_set_pmksa, - .del_pmksa = ar6k_del_pmksa, - .flush_pmksa = ar6k_flush_pmksa, - CFG80211_TESTMODE_CMD(ar6k_testmode_cmd) -}; - -struct wireless_dev * -ar6k_cfg80211_init(struct device *dev) -{ - int ret = 0; - struct wireless_dev *wdev; - - AR_DEBUG_PRINTF(ATH_DEBUG_INFO, ("%s: \n", __func__)); - - wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL); - if(!wdev) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, - ("%s: Couldn't allocate wireless device\n", __func__)); - return ERR_PTR(-ENOMEM); - } - - /* create a new wiphy for use with cfg80211 */ - wdev->wiphy = wiphy_new(&ar6k_cfg80211_ops, sizeof(struct ar6_softc)); - if(!wdev->wiphy) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, - ("%s: Couldn't allocate wiphy device\n", __func__)); - kfree(wdev); - return ERR_PTR(-ENOMEM); - } - - /* set device pointer for wiphy */ - set_wiphy_dev(wdev->wiphy, dev); - - wdev->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | - BIT(NL80211_IFTYPE_ADHOC); - /* max num of ssids that can be probed during scanning */ - wdev->wiphy->max_scan_ssids = MAX_PROBED_SSID_INDEX; - wdev->wiphy->bands[IEEE80211_BAND_2GHZ] = &ar6k_band_2ghz; - wdev->wiphy->bands[IEEE80211_BAND_5GHZ] = &ar6k_band_5ghz; - wdev->wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; - - wdev->wiphy->cipher_suites = cipher_suites; - wdev->wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites); - - ret = wiphy_register(wdev->wiphy); - if(ret < 0) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, - ("%s: Couldn't register wiphy device\n", __func__)); - wiphy_free(wdev->wiphy); - return ERR_PTR(ret); - } - - return wdev; -} - -void -ar6k_cfg80211_deinit(struct ar6_softc *ar) -{ - struct wireless_dev *wdev = ar->wdev; - - AR_DEBUG_PRINTF(ATH_DEBUG_INFO, ("%s: \n", __func__)); - - if(ar->scan_request) { - cfg80211_scan_done(ar->scan_request, true); - ar->scan_request = NULL; - } - - if(!wdev) - return; - - wiphy_unregister(wdev->wiphy); - wiphy_free(wdev->wiphy); - kfree(wdev); -} - - - - - - - |