diff options
Diffstat (limited to 'drivers/net/wireless/ath6kl/os/linux/cfg80211.c')
-rw-r--r-- | drivers/net/wireless/ath6kl/os/linux/cfg80211.c | 1467 |
1 files changed, 1467 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath6kl/os/linux/cfg80211.c b/drivers/net/wireless/ath6kl/os/linux/cfg80211.c new file mode 100644 index 000000000000..402f98931b46 --- /dev/null +++ b/drivers/net/wireless/ath6kl/os/linux/cfg80211.c @@ -0,0 +1,1467 @@ +/* + * + * Copyright (c) 2004-2010 Atheros Communications Inc. + * All rights reserved. + * + * +// This program is free software; you can redistribute it and/or modify +// it under the terms of the GNU General Public License version 2 as +// published by the Free Software Foundation; +// +// Software distributed under the License is distributed on an "AS +// IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or +// implied. See the License for the specific language governing +// rights and limitations under the License. +// +// + * + */ + + +#include <linux/kernel.h> +#include <linux/netdevice.h> +#include <linux/wireless.h> +#include <linux/ieee80211.h> +#include <net/cfg80211.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(AR_SOFTC_T *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 A_OK; +} + +static int +ar6k_set_auth_type(AR_SOFTC_T *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; + default: + ar->arDot11AuthMode = OPEN_AUTH; + AR_DEBUG_PRINTF(ATH_DEBUG_INFO, + ("%s: 0x%x not spported\n", __func__, auth_type)); + return -ENOTSUPP; + } + + return A_OK; +} + +static int +ar6k_set_cipher(AR_SOFTC_T *ar, A_UINT32 cipher, A_BOOL ucast) +{ + A_UINT8 *ar_cipher = ucast ? &ar->arPairwiseCrypto : + &ar->arGroupCrypto; + A_UINT8 *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 A_OK; +} + +static void +ar6k_set_key_mgmt(AR_SOFTC_T *ar, A_UINT32 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) +{ + AR_SOFTC_T *ar = ar6k_priv(dev); + A_STATUS status; + + AR_DEBUG_PRINTF(ATH_DEBUG_INFO, ("%s: \n", __func__)); + + 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 && + !A_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 != A_OK) { + AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("%s: wmi_reconnect_cmd failed\n", __func__)); + return -EIO; + } + return 0; + } + + A_MEMZERO(ar->arSsid, sizeof(ar->arSsid)); + ar->arSsidLen = sme->ssid_len; + A_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(A_MEMCMP(&sme->bssid, bcast_mac, AR6000_ETH_ADDR_LEN)) { + A_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); + } + 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]); + } + + ar->arNetworkType = INFRA_NETWORK; + + 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; + A_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) != A_OK) { + AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("%s: Couldn't set bss filtering\n", __func__)); + up(&ar->arSem); + return -EIO; + } + } + + 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 != A_OK) { + 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(AR_SOFTC_T *ar, A_UINT16 channel, + A_UINT8 *bssid, A_UINT16 listenInterval, + A_UINT16 beaconInterval,NETWORK_TYPE networkType, + A_UINT8 beaconIeLen, A_UINT8 assocReqLen, + A_UINT8 assocRespLen, A_UINT8 *assocInfo) +{ + A_UINT16 size = 0; + A_UINT16 capability = 0; + struct cfg80211_bss *bss = NULL; + struct ieee80211_mgmt *mgmt = NULL; + struct ieee80211_channel *ibss_channel = NULL; + s32 signal = 50 * 100; + A_UINT8 ie_buf_len = 0; + unsigned char ie_buf[256]; + unsigned char *ptr_ie_buf = ie_buf; + unsigned char *ieeemgmtbuf = NULL; + A_UINT8 source_mac[ATH_MAC_LEN]; + + A_UINT8 assocReqIeOffset = sizeof(A_UINT16) + /* capinfo*/ + sizeof(A_UINT16); /* listen interval */ + A_UINT8 assocRespIeOffset = sizeof(A_UINT16) + /* capinfo*/ + sizeof(A_UINT16) + /* status Code */ + sizeof(A_UINT16); /* associd */ + A_UINT8 *assocReqIe = assocInfo + beaconIeLen + assocReqIeOffset; + A_UINT8 *assocRespIe = assocInfo + beaconIeLen + assocReqLen + assocRespIeOffset; + + AR_DEBUG_PRINTF(ATH_DEBUG_INFO, ("%s: \n", __func__)); + + assocReqLen -= assocReqIeOffset; + assocRespLen -= assocRespIeOffset; + + 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; + } + } + + /* 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)); + + if(!bss) { + if (ADHOC_NETWORK & networkType) { + /* construct 802.11 mgmt beacon */ + if(ptr_ie_buf) { + *ptr_ie_buf++ = WLAN_EID_SSID; + *ptr_ie_buf++ = ar->arSsidLen; + A_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; + } + A_MEMCPY(source_mac, ar->arNetDev->dev_addr, ATH_MAC_LEN); + ptr_ie_buf = ie_buf; + } else { + capability = *(A_UINT16 *)(&assocInfo[beaconIeLen]); + A_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__)); + return; + } + + A_MEMZERO(ieeemgmtbuf, size); + mgmt = (struct ieee80211_mgmt *)ieeemgmtbuf; + mgmt->frame_control = (IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON); + A_MEMCPY(mgmt->da, bcast_mac, ATH_MAC_LEN); + A_MEMCPY(mgmt->sa, source_mac, ATH_MAC_LEN); + A_MEMCPY(mgmt->bssid, bssid, ATH_MAC_LEN); + mgmt->u.beacon.beacon_int = beaconInterval; + mgmt->u.beacon.capab_info = capability; + A_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 %02x:%02x:%02x:%02x:%02x:%02x "\ + "channel %d beaconInterval %d capability 0x%x\n", + __func__, + mgmt->bssid[0], mgmt->bssid[1], mgmt->bssid[2], + mgmt->bssid[3], mgmt->bssid[4], mgmt->bssid[5], + ibss_channel->hw_value, beaconInterval, capability)); + + bss = cfg80211_inform_bss_frame(ar->wdev->wiphy, + ibss_channel, mgmt, + le16_to_cpu(size), + signal, GFP_KERNEL); + A_FREE(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 */ + 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, bssid, + assocReqIe, assocReqLen, + assocRespIe, assocRespLen, + GFP_KERNEL); + } +} + +static int +ar6k_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev, + A_UINT16 reason_code) +{ + AR_SOFTC_T *ar = (AR_SOFTC_T *)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; + wmi_disconnect_cmd(ar->arWmi); + 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(AR_SOFTC_T *ar, A_UINT8 reason, + A_UINT8 *bssid, A_UINT8 assocRespLen, + A_UINT8 *assocInfo, A_UINT16 protocolReasonStatus) +{ + + AR_DEBUG_PRINTF(ATH_DEBUG_INFO, ("%s: reason=%u\n", __func__, reason)); + + 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(FALSE == ar->arConnected) { + if(NO_NETWORK_AVAIL == reason) { + /* connect cmd failed */ + cfg80211_connect_result(ar->arNetDev, bssid, + NULL, 0, + NULL, 0, + WLAN_STATUS_UNSPECIFIED_FAILURE, + GFP_KERNEL); + } + } else { + /* connection loss due to disconnect cmd or low rssi */ + cfg80211_disconnected(ar->arNetDev, reason, NULL, 0, GFP_KERNEL); + } +} + +void +ar6k_cfg80211_scan_node(void *arg, bss_t *ni) +{ + struct wiphy *wiphy = (struct wiphy *)arg; + A_UINT16 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; + A_MEMCPY(mgmt->da, bcast_mac, ATH_MAC_LEN); + A_MEMCPY(mgmt->sa, ni->ni_macaddr, ATH_MAC_LEN); + A_MEMCPY(mgmt->bssid, ni->ni_macaddr, ATH_MAC_LEN); + A_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 %02x:%02x:%02x:%02x:%02x:%02x channel %d freq %d size %d\n", + __func__, + mgmt->bssid[0], mgmt->bssid[1], mgmt->bssid[2], + mgmt->bssid[3], mgmt->bssid[4], mgmt->bssid[5], + channel->hw_value, freq, size)); + cfg80211_inform_bss_frame(wiphy, channel, mgmt, + le16_to_cpu(size), + signal, GFP_KERNEL); + + A_FREE (ieeemgmtbuf); +} + +static int +ar6k_cfg80211_scan(struct wiphy *wiphy, struct net_device *ndev, + struct cfg80211_scan_request *request) +{ + AR_SOFTC_T *ar = (AR_SOFTC_T *)ar6k_priv(ndev); + int ret = 0; + A_BOOL forceFgScan = FALSE; + + 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) != A_OK) { + 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) { + A_UINT8 i; + + if(request->n_ssids > MAX_PROBED_SSID_INDEX) { + request->n_ssids = MAX_PROBED_SSID_INDEX; + } + + for (i = 0; i < request->n_ssids; i++) { + wmi_probedSsid_cmd(ar->arWmi, i, SPECIFIC_SSID_FLAG, + request->ssids[i].ssid_len, + request->ssids[i].ssid); + } + } + + if(ar->arConnected) { + forceFgScan = TRUE; + } + + if(wmi_startscan_cmd(ar->arWmi, WMI_LONG_SCAN, forceFgScan, FALSE, \ + 0, 0, 0, NULL) != A_OK) { + 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(AR_SOFTC_T *ar, A_STATUS status) +{ + + AR_DEBUG_PRINTF(ATH_DEBUG_INFO, ("%s: status %d\n", __func__, status)); + + if(ar->scan_request) + { + /* Translate data to cfg80211 mgmt format */ + wmi_iterate_nodes(ar->arWmi, ar6k_cfg80211_scan_node, ar->wdev->wiphy); + + cfg80211_scan_done(ar->scan_request, + (status & A_ECANCELED) ? true : false); + + if(ar->scan_request->n_ssids && + ar->scan_request->ssids[0].ssid_len) { + A_UINT8 i; + + for (i = 0; i < ar->scan_request->n_ssids; i++) { + wmi_probedSsid_cmd(ar->arWmi, i, DISABLE_SSID_FLAG, + 0, NULL); + } + } + ar->scan_request = NULL; + } +} + +static int +ar6k_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev, + A_UINT8 key_index, const A_UINT8 *mac_addr, + struct key_params *params) +{ + AR_SOFTC_T *ar = (AR_SOFTC_T *)ar6k_priv(ndev); + struct ar_key *key = NULL; + A_UINT8 key_usage; + A_UINT8 key_type; + A_STATUS 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; + A_MEMCPY(key->key, params->key, key->key_len); + key->seq_len = params->seq_len; + A_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; + if(key_index == ar->arDefTxKeyIndex) { + key_usage = GROUP_USAGE | TX_USAGE; + } + 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)); + + status = wmi_addKey_cmd(ar->arWmi, key_index, key_type, key_usage, + key->key_len, key->seq, key->key, KEY_OP_INIT_VAL, + (A_UINT8*)mac_addr, SYNC_BOTH_WMIFLAG); + + + if(status != A_OK) { + return -EIO; + } + + return 0; +} + +static int +ar6k_cfg80211_del_key(struct wiphy *wiphy, struct net_device *ndev, + A_UINT8 key_index, const A_UINT8 *mac_addr) +{ + AR_SOFTC_T *ar = (AR_SOFTC_T *)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, + A_UINT8 key_index, const A_UINT8 *mac_addr, void *cookie, + void (*callback)(void *cookie, struct key_params*)) +{ + AR_SOFTC_T *ar = (AR_SOFTC_T *)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, + A_UINT8 key_index) +{ + AR_SOFTC_T *ar = (AR_SOFTC_T *)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: invalid key index %d\n", + __func__, key_index)); + return -EINVAL; + } + + ar->arDefTxKeyIndex = key_index; + + return 0; +} + +static int +ar6k_cfg80211_set_default_mgmt_key(struct wiphy *wiphy, struct net_device *ndev, + A_UINT8 key_index) +{ + AR_SOFTC_T *ar = (AR_SOFTC_T *)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(AR_SOFTC_T *ar, A_UINT8 keyid, A_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, A_UINT32 changed) +{ + AR_SOFTC_T *ar = (AR_SOFTC_T *)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) != A_OK){ + 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 A_UINT8 *peer, + const struct cfg80211_bitrate_mask *mask) +{ + AR_SOFTC_T *ar = ar6k_priv(dev); + A_STATUS status; + + AR_DEBUG_PRINTF(ATH_DEBUG_INFO, ("%s: mask 0x%x\n", __func__, mask->fixed)); + + 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; + } + + status = wmi_set_fixrates_cmd(ar->arWmi, mask->fixed); + + if(status == A_EINVAL) { + AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("%s: invalid params\n", __func__)); + return -EINVAL; + } else if(status != A_OK) { + AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("%s: wmi_set_fixrates_cmd failed\n", __func__)); + return -EIO; + } + + return 0; +} + +static int +ar6k_cfg80211_set_txpower(struct wiphy *wiphy, enum tx_power_setting type, int dbm) +{ + AR_SOFTC_T *ar = (AR_SOFTC_T *)wiphy_priv(wiphy); + A_UINT8 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 TX_POWER_AUTOMATIC: + return 0; + case 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) +{ + AR_SOFTC_T *ar = (AR_SOFTC_T *)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) != A_OK) { + 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) +{ + AR_SOFTC_T *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 = MAX_PERF_POWER; + } else { + AR_DEBUG_PRINTF(ATH_DEBUG_INFO, ("%s: Rec Power\n", __func__)); + pwrMode.powerMode = REC_POWER; + } + + if(wmi_powermode_cmd(ar->arWmi, pwrMode.powerMode) != A_OK) { + AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("%s: wmi_powermode_cmd failed\n", __func__)); + return -EIO; + } + + return 0; +} + +static int +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 -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) +{ + AR_SOFTC_T *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->arNetworkType = INFRA_NETWORK; + break; + case NL80211_IFTYPE_ADHOC: + ar->arNetworkType = 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) +{ + AR_SOFTC_T *ar = ar6k_priv(dev); + A_STATUS 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; + A_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(A_MEMCMP(&ibss_param->bssid, bcast_mac, AR6000_ETH_ADDR_LEN)) { + A_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_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); + + return 0; +} + +static int +ar6k_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) +{ + AR_SOFTC_T *ar = (AR_SOFTC_T *)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; + } + + wmi_disconnect_cmd(ar->arWmi); + A_MEMZERO(ar->arSsid, sizeof(ar->arSsid)); + ar->arSsidLen = 0; + + return 0; +} + + +static const +A_UINT32 cipher_suites[] = { + WLAN_CIPHER_SUITE_WEP40, + WLAN_CIPHER_SUITE_WEP104, + WLAN_CIPHER_SUITE_TKIP, + WLAN_CIPHER_SUITE_CCMP, +}; + +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, +}; + +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(AR_SOFTC_T)); + 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(AR_SOFTC_T *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); +} + + + + + + + |