diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /drivers/staging/rtl8723bs/core/rtw_mlme.c | |
parent | Initial commit. (diff) | |
download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/staging/rtl8723bs/core/rtw_mlme.c')
-rw-r--r-- | drivers/staging/rtl8723bs/core/rtw_mlme.c | 2616 |
1 files changed, 2616 insertions, 0 deletions
diff --git a/drivers/staging/rtl8723bs/core/rtw_mlme.c b/drivers/staging/rtl8723bs/core/rtw_mlme.c new file mode 100644 index 0000000000..b221913733 --- /dev/null +++ b/drivers/staging/rtl8723bs/core/rtw_mlme.c @@ -0,0 +1,2616 @@ +// SPDX-License-Identifier: GPL-2.0 +/****************************************************************************** + * + * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved. + * + ******************************************************************************/ +#include <linux/etherdevice.h> +#include <drv_types.h> +#include <rtw_debug.h> +#include <hal_btcoex.h> +#include <linux/jiffies.h> + +int rtw_init_mlme_priv(struct adapter *padapter) +{ + int i; + u8 *pbuf; + struct wlan_network *pnetwork; + struct mlme_priv *pmlmepriv = &padapter->mlmepriv; + int res = _SUCCESS; + + pmlmepriv->nic_hdl = (u8 *)padapter; + + pmlmepriv->pscanned = NULL; + pmlmepriv->fw_state = WIFI_STATION_STATE; /* Must sync with rtw_wdev_alloc() */ + /* wdev->iftype = NL80211_IFTYPE_STATION */ + pmlmepriv->cur_network.network.infrastructure_mode = Ndis802_11AutoUnknown; + pmlmepriv->scan_mode = SCAN_ACTIVE;/* 1: active, 0: passive. Maybe someday we should rename this varable to "active_mode" (Jeff) */ + + spin_lock_init(&pmlmepriv->lock); + INIT_LIST_HEAD(&pmlmepriv->free_bss_pool.queue); + spin_lock_init(&pmlmepriv->free_bss_pool.lock); + INIT_LIST_HEAD(&pmlmepriv->scanned_queue.queue); + spin_lock_init(&pmlmepriv->scanned_queue.lock); + + memset(&pmlmepriv->assoc_ssid, 0, sizeof(struct ndis_802_11_ssid)); + + pbuf = vzalloc(array_size(MAX_BSS_CNT, sizeof(struct wlan_network))); + + if (!pbuf) { + res = _FAIL; + goto exit; + } + pmlmepriv->free_bss_buf = pbuf; + + pnetwork = (struct wlan_network *)pbuf; + + for (i = 0; i < MAX_BSS_CNT; i++) { + INIT_LIST_HEAD(&pnetwork->list); + + list_add_tail(&pnetwork->list, &pmlmepriv->free_bss_pool.queue); + + pnetwork++; + } + + /* allocate DMA-able/Non-Page memory for cmd_buf and rsp_buf */ + + rtw_clear_scan_deny(padapter); + + #define RTW_ROAM_SCAN_RESULT_EXP_MS 5000 + #define RTW_ROAM_RSSI_DIFF_TH 10 + #define RTW_ROAM_SCAN_INTERVAL_MS 10000 + + pmlmepriv->roam_flags = 0 + | RTW_ROAM_ON_EXPIRED + | RTW_ROAM_ON_RESUME + ; + + pmlmepriv->roam_scanr_exp_ms = RTW_ROAM_SCAN_RESULT_EXP_MS; + pmlmepriv->roam_rssi_diff_th = RTW_ROAM_RSSI_DIFF_TH; + pmlmepriv->roam_scan_int_ms = RTW_ROAM_SCAN_INTERVAL_MS; + + rtw_init_mlme_timer(padapter); + +exit: + + return res; +} + +static void rtw_free_mlme_ie_data(u8 **ppie, u32 *plen) +{ + if (*ppie) { + kfree(*ppie); + *plen = 0; + *ppie = NULL; + } +} + +void rtw_free_mlme_priv_ie_data(struct mlme_priv *pmlmepriv) +{ + rtw_buf_free(&pmlmepriv->assoc_req, &pmlmepriv->assoc_req_len); + rtw_buf_free(&pmlmepriv->assoc_rsp, &pmlmepriv->assoc_rsp_len); + rtw_free_mlme_ie_data(&pmlmepriv->wps_beacon_ie, &pmlmepriv->wps_beacon_ie_len); + rtw_free_mlme_ie_data(&pmlmepriv->wps_probe_req_ie, &pmlmepriv->wps_probe_req_ie_len); + rtw_free_mlme_ie_data(&pmlmepriv->wps_probe_resp_ie, &pmlmepriv->wps_probe_resp_ie_len); + rtw_free_mlme_ie_data(&pmlmepriv->wps_assoc_resp_ie, &pmlmepriv->wps_assoc_resp_ie_len); + + rtw_free_mlme_ie_data(&pmlmepriv->p2p_beacon_ie, &pmlmepriv->p2p_beacon_ie_len); + rtw_free_mlme_ie_data(&pmlmepriv->p2p_probe_req_ie, &pmlmepriv->p2p_probe_req_ie_len); + rtw_free_mlme_ie_data(&pmlmepriv->p2p_probe_resp_ie, &pmlmepriv->p2p_probe_resp_ie_len); + rtw_free_mlme_ie_data(&pmlmepriv->p2p_go_probe_resp_ie, &pmlmepriv->p2p_go_probe_resp_ie_len); + rtw_free_mlme_ie_data(&pmlmepriv->p2p_assoc_req_ie, &pmlmepriv->p2p_assoc_req_ie_len); +} + +void _rtw_free_mlme_priv(struct mlme_priv *pmlmepriv) +{ + if (pmlmepriv) { + rtw_free_mlme_priv_ie_data(pmlmepriv); + vfree(pmlmepriv->free_bss_buf); + } +} + +/* +struct wlan_network *_rtw_dequeue_network(struct __queue *queue) +{ + _irqL irqL; + + struct wlan_network *pnetwork; + + spin_lock_bh(&queue->lock); + + if (list_empty(&queue->queue)) + + pnetwork = NULL; + + else + { + pnetwork = container_of(get_next(&queue->queue), struct wlan_network, list); + + list_del_init(&(pnetwork->list)); + } + + spin_unlock_bh(&queue->lock); + + return pnetwork; +} +*/ + +struct wlan_network *rtw_alloc_network(struct mlme_priv *pmlmepriv) +{ + struct wlan_network *pnetwork; + struct __queue *free_queue = &pmlmepriv->free_bss_pool; + struct list_head *plist = NULL; + + spin_lock_bh(&free_queue->lock); + + if (list_empty(&free_queue->queue)) { + pnetwork = NULL; + goto exit; + } + plist = get_next(&(free_queue->queue)); + + pnetwork = container_of(plist, struct wlan_network, list); + + list_del_init(&pnetwork->list); + + pnetwork->network_type = 0; + pnetwork->fixed = false; + pnetwork->last_scanned = jiffies; + pnetwork->aid = 0; + pnetwork->join_res = 0; + +exit: + spin_unlock_bh(&free_queue->lock); + + return pnetwork; +} + +void _rtw_free_network(struct mlme_priv *pmlmepriv, struct wlan_network *pnetwork, u8 isfreeall) +{ + unsigned int delta_time; + u32 lifetime = SCANQUEUE_LIFETIME; +/* _irqL irqL; */ + struct __queue *free_queue = &(pmlmepriv->free_bss_pool); + + if (!pnetwork) + return; + + if (pnetwork->fixed) + return; + + if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true) || + (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true)) + lifetime = 1; + + if (!isfreeall) { + delta_time = jiffies_to_msecs(jiffies - pnetwork->last_scanned); + if (delta_time < lifetime)/* unit:msec */ + return; + } + + spin_lock_bh(&free_queue->lock); + + list_del_init(&(pnetwork->list)); + + list_add_tail(&(pnetwork->list), &(free_queue->queue)); + + spin_unlock_bh(&free_queue->lock); +} + +void _rtw_free_network_nolock(struct mlme_priv *pmlmepriv, struct wlan_network *pnetwork) +{ + + struct __queue *free_queue = &(pmlmepriv->free_bss_pool); + + if (!pnetwork) + return; + + if (pnetwork->fixed) + return; + + /* spin_lock_irqsave(&free_queue->lock, irqL); */ + + list_del_init(&(pnetwork->list)); + + list_add_tail(&(pnetwork->list), get_list_head(free_queue)); + + /* spin_unlock_irqrestore(&free_queue->lock, irqL); */ +} + +/* + return the wlan_network with the matching addr + + Shall be called under atomic context... to avoid possible racing condition... +*/ +struct wlan_network *_rtw_find_network(struct __queue *scanned_queue, u8 *addr) +{ + struct list_head *phead, *plist; + struct wlan_network *pnetwork = NULL; + + if (is_zero_ether_addr(addr)) { + pnetwork = NULL; + goto exit; + } + + /* spin_lock_bh(&scanned_queue->lock); */ + + phead = get_list_head(scanned_queue); + list_for_each(plist, phead) { + pnetwork = list_entry(plist, struct wlan_network, list); + + if (!memcmp(addr, pnetwork->network.mac_address, ETH_ALEN)) + break; + } + + if (plist == phead) + pnetwork = NULL; + + /* spin_unlock_bh(&scanned_queue->lock); */ + +exit: + return pnetwork; +} + +void rtw_free_network_queue(struct adapter *padapter, u8 isfreeall) +{ + struct list_head *phead, *plist, *tmp; + struct wlan_network *pnetwork; + struct mlme_priv *pmlmepriv = &padapter->mlmepriv; + struct __queue *scanned_queue = &pmlmepriv->scanned_queue; + + spin_lock_bh(&scanned_queue->lock); + + phead = get_list_head(scanned_queue); + list_for_each_safe(plist, tmp, phead) { + + pnetwork = list_entry(plist, struct wlan_network, list); + + _rtw_free_network(pmlmepriv, pnetwork, isfreeall); + + } + + spin_unlock_bh(&scanned_queue->lock); +} + +signed int rtw_if_up(struct adapter *padapter) +{ + signed int res; + + if (padapter->bDriverStopped || padapter->bSurpriseRemoved || + (check_fwstate(&padapter->mlmepriv, _FW_LINKED) == false)) + res = false; + else + res = true; + + return res; +} + +void rtw_generate_random_ibss(u8 *pibss) +{ + unsigned long curtime = jiffies; + + pibss[0] = 0x02; /* in ad-hoc mode bit1 must set to 1 */ + pibss[1] = 0x11; + pibss[2] = 0x87; + pibss[3] = (u8)(curtime & 0xff) ;/* p[0]; */ + pibss[4] = (u8)((curtime>>8) & 0xff) ;/* p[1]; */ + pibss[5] = (u8)((curtime>>16) & 0xff) ;/* p[2]; */ +} + +u8 *rtw_get_capability_from_ie(u8 *ie) +{ + return ie + 8 + 2; +} + +u16 rtw_get_capability(struct wlan_bssid_ex *bss) +{ + __le16 val; + + memcpy((u8 *)&val, rtw_get_capability_from_ie(bss->ies), 2); + + return le16_to_cpu(val); +} + +u8 *rtw_get_beacon_interval_from_ie(u8 *ie) +{ + return ie + 8; +} + +void rtw_free_mlme_priv(struct mlme_priv *pmlmepriv) +{ + _rtw_free_mlme_priv(pmlmepriv); +} + +/* +static struct wlan_network *rtw_dequeue_network(struct __queue *queue) +{ + struct wlan_network *pnetwork; + + pnetwork = _rtw_dequeue_network(queue); + return pnetwork; +} +*/ + +void rtw_free_network_nolock(struct adapter *padapter, struct wlan_network *pnetwork); +void rtw_free_network_nolock(struct adapter *padapter, struct wlan_network *pnetwork) +{ + _rtw_free_network_nolock(&(padapter->mlmepriv), pnetwork); + rtw_cfg80211_unlink_bss(padapter, pnetwork); +} + +/* + return the wlan_network with the matching addr + + Shall be called under atomic context... to avoid possible racing condition... +*/ +struct wlan_network *rtw_find_network(struct __queue *scanned_queue, u8 *addr) +{ + struct wlan_network *pnetwork = _rtw_find_network(scanned_queue, addr); + + return pnetwork; +} + +int rtw_is_same_ibss(struct adapter *adapter, struct wlan_network *pnetwork) +{ + int ret = true; + struct security_priv *psecuritypriv = &adapter->securitypriv; + + if ((psecuritypriv->dot11PrivacyAlgrthm != _NO_PRIVACY_) && + (pnetwork->network.privacy == 0)) + ret = false; + else if ((psecuritypriv->dot11PrivacyAlgrthm == _NO_PRIVACY_) && + (pnetwork->network.privacy == 1)) + ret = false; + else + ret = true; + + return ret; + +} + +inline int is_same_ess(struct wlan_bssid_ex *a, struct wlan_bssid_ex *b) +{ + return (a->ssid.ssid_length == b->ssid.ssid_length) + && !memcmp(a->ssid.ssid, b->ssid.ssid, a->ssid.ssid_length); +} + +int is_same_network(struct wlan_bssid_ex *src, struct wlan_bssid_ex *dst, u8 feature) +{ + u16 s_cap, d_cap; + __le16 tmps, tmpd; + + if (rtw_bug_check(dst, src, &s_cap, &d_cap) == false) + return false; + + memcpy((u8 *)&tmps, rtw_get_capability_from_ie(src->ies), 2); + memcpy((u8 *)&tmpd, rtw_get_capability_from_ie(dst->ies), 2); + + s_cap = le16_to_cpu(tmps); + d_cap = le16_to_cpu(tmpd); + + return (src->ssid.ssid_length == dst->ssid.ssid_length) && + /* (src->configuration.ds_config == dst->configuration.ds_config) && */ + ((!memcmp(src->mac_address, dst->mac_address, ETH_ALEN))) && + ((!memcmp(src->ssid.ssid, dst->ssid.ssid, src->ssid.ssid_length))) && + ((s_cap & WLAN_CAPABILITY_IBSS) == + (d_cap & WLAN_CAPABILITY_IBSS)) && + ((s_cap & WLAN_CAPABILITY_ESS) == + (d_cap & WLAN_CAPABILITY_ESS)); + +} + +struct wlan_network *_rtw_find_same_network(struct __queue *scanned_queue, struct wlan_network *network) +{ + struct list_head *phead, *plist; + struct wlan_network *found = NULL; + + phead = get_list_head(scanned_queue); + list_for_each(plist, phead) { + found = list_entry(plist, struct wlan_network, list); + + if (is_same_network(&network->network, &found->network, 0)) + break; + } + + if (plist == phead) + found = NULL; + + return found; +} + +struct wlan_network *rtw_get_oldest_wlan_network(struct __queue *scanned_queue) +{ + struct list_head *plist, *phead; + + struct wlan_network *pwlan = NULL; + struct wlan_network *oldest = NULL; + + phead = get_list_head(scanned_queue); + + list_for_each(plist, phead) { + + pwlan = list_entry(plist, struct wlan_network, list); + + if (!pwlan->fixed) { + if (!oldest || time_after(oldest->last_scanned, pwlan->last_scanned)) + oldest = pwlan; + } + } + return oldest; + +} + +void update_network(struct wlan_bssid_ex *dst, struct wlan_bssid_ex *src, + struct adapter *padapter, bool update_ie) +{ + long rssi_ori = dst->rssi; + + u8 sq_smp = src->phy_info.signal_quality; + + u8 ss_final; + u8 sq_final; + long rssi_final; + + /* The rule below is 1/5 for sample value, 4/5 for history value */ + if (check_fwstate(&padapter->mlmepriv, _FW_LINKED) && is_same_network(&(padapter->mlmepriv.cur_network.network), src, 0)) { + /* Take the recvpriv's value for the connected AP*/ + ss_final = padapter->recvpriv.signal_strength; + sq_final = padapter->recvpriv.signal_qual; + /* the rssi value here is undecorated, and will be used for antenna diversity */ + if (sq_smp != 101) /* from the right channel */ + rssi_final = (src->rssi+dst->rssi*4)/5; + else + rssi_final = rssi_ori; + } else { + if (sq_smp != 101) { /* from the right channel */ + ss_final = ((u32)(src->phy_info.signal_strength)+(u32)(dst->phy_info.signal_strength)*4)/5; + sq_final = ((u32)(src->phy_info.signal_quality)+(u32)(dst->phy_info.signal_quality)*4)/5; + rssi_final = (src->rssi+dst->rssi*4)/5; + } else { + /* bss info not receiving from the right channel, use the original RX signal infos */ + ss_final = dst->phy_info.signal_strength; + sq_final = dst->phy_info.signal_quality; + rssi_final = dst->rssi; + } + + } + + if (update_ie) { + dst->reserved[0] = src->reserved[0]; + dst->reserved[1] = src->reserved[1]; + memcpy((u8 *)dst, (u8 *)src, get_wlan_bssid_ex_sz(src)); + } + + dst->phy_info.signal_strength = ss_final; + dst->phy_info.signal_quality = sq_final; + dst->rssi = rssi_final; +} + +static void update_current_network(struct adapter *adapter, struct wlan_bssid_ex *pnetwork) +{ + struct mlme_priv *pmlmepriv = &(adapter->mlmepriv); + + rtw_bug_check(&(pmlmepriv->cur_network.network), + &(pmlmepriv->cur_network.network), + &(pmlmepriv->cur_network.network), + &(pmlmepriv->cur_network.network)); + + if ((check_fwstate(pmlmepriv, _FW_LINKED) == true) && (is_same_network(&(pmlmepriv->cur_network.network), pnetwork, 0))) { + /* if (pmlmepriv->cur_network.network.ie_length<= pnetwork->ie_length) */ + { + update_network(&(pmlmepriv->cur_network.network), pnetwork, adapter, true); + rtw_update_protection(adapter, (pmlmepriv->cur_network.network.ies) + sizeof(struct ndis_802_11_fix_ie), + pmlmepriv->cur_network.network.ie_length); + } + } +} + +/* +Caller must hold pmlmepriv->lock first. +*/ +void rtw_update_scanned_network(struct adapter *adapter, struct wlan_bssid_ex *target) +{ + struct list_head *plist, *phead; + u32 bssid_ex_sz; + struct mlme_priv *pmlmepriv = &(adapter->mlmepriv); + struct __queue *queue = &(pmlmepriv->scanned_queue); + struct wlan_network *pnetwork = NULL; + struct wlan_network *oldest = NULL; + int target_find = 0; + u8 feature = 0; + + spin_lock_bh(&queue->lock); + phead = get_list_head(queue); + list_for_each(plist, phead) { + pnetwork = list_entry(plist, struct wlan_network, list); + + rtw_bug_check(pnetwork, pnetwork, pnetwork, pnetwork); + + if (is_same_network(&(pnetwork->network), target, feature)) { + target_find = 1; + break; + } + + if (rtw_roam_flags(adapter)) { + /* TODO: don't select network in the same ess as oldest if it's new enough*/ + } + + if (!oldest || time_after(oldest->last_scanned, pnetwork->last_scanned)) + oldest = pnetwork; + + } + + /* If we didn't find a match, then get a new network slot to initialize + * with this beacon's information */ + /* if (phead == plist) { */ + if (!target_find) { + if (list_empty(&pmlmepriv->free_bss_pool.queue)) { + /* If there are no more slots, expire the oldest */ + /* list_del_init(&oldest->list); */ + pnetwork = oldest; + if (!pnetwork) + goto exit; + + memcpy(&(pnetwork->network), target, get_wlan_bssid_ex_sz(target)); + /* variable initialize */ + pnetwork->fixed = false; + pnetwork->last_scanned = jiffies; + + pnetwork->network_type = 0; + pnetwork->aid = 0; + pnetwork->join_res = 0; + + /* bss info not receiving from the right channel */ + if (pnetwork->network.phy_info.signal_quality == 101) + pnetwork->network.phy_info.signal_quality = 0; + } else { + /* Otherwise just pull from the free list */ + + pnetwork = rtw_alloc_network(pmlmepriv); /* will update scan_time */ + + if (!pnetwork) + goto exit; + + bssid_ex_sz = get_wlan_bssid_ex_sz(target); + target->length = bssid_ex_sz; + memcpy(&(pnetwork->network), target, bssid_ex_sz); + + pnetwork->last_scanned = jiffies; + + /* bss info not receiving from the right channel */ + if (pnetwork->network.phy_info.signal_quality == 101) + pnetwork->network.phy_info.signal_quality = 0; + + list_add_tail(&(pnetwork->list), &(queue->queue)); + + } + } else { + /* we have an entry and we are going to update it. But this entry may + * be already expired. In this case we do the same as we found a new + * net and call the new_net handler + */ + bool update_ie = true; + + pnetwork->last_scanned = jiffies; + + /* target.reserved[0]== 1, means that scanned network is a bcn frame. */ + if (pnetwork->network.ie_length > target->ie_length && target->reserved[0] == 1) + update_ie = false; + + /* probe resp(3) > beacon(1) > probe req(2) */ + if (target->reserved[0] != 2 && + target->reserved[0] >= pnetwork->network.reserved[0]) { + update_ie = true; + } else { + update_ie = false; + } + + update_network(&(pnetwork->network), target, adapter, update_ie); + } + +exit: + spin_unlock_bh(&queue->lock); +} + +void rtw_add_network(struct adapter *adapter, struct wlan_bssid_ex *pnetwork); +void rtw_add_network(struct adapter *adapter, struct wlan_bssid_ex *pnetwork) +{ + /* struct __queue *queue = &(pmlmepriv->scanned_queue); */ + + /* spin_lock_bh(&queue->lock); */ + + update_current_network(adapter, pnetwork); + + rtw_update_scanned_network(adapter, pnetwork); + + /* spin_unlock_bh(&queue->lock); */ +} + +/* select the desired network based on the capability of the (i)bss. */ +/* check items: (1) security */ +/* (2) network_type */ +/* (3) WMM */ +/* (4) HT */ +/* (5) others */ +int rtw_is_desired_network(struct adapter *adapter, struct wlan_network *pnetwork); +int rtw_is_desired_network(struct adapter *adapter, struct wlan_network *pnetwork) +{ + struct security_priv *psecuritypriv = &adapter->securitypriv; + struct mlme_priv *pmlmepriv = &adapter->mlmepriv; + u32 desired_encmode; + u32 privacy; + + /* u8 wps_ie[512]; */ + uint wps_ielen; + + int bselected = true; + + desired_encmode = psecuritypriv->ndisencryptstatus; + privacy = pnetwork->network.privacy; + + if (check_fwstate(pmlmepriv, WIFI_UNDER_WPS)) { + if (rtw_get_wps_ie(pnetwork->network.ies+_FIXED_IE_LENGTH_, pnetwork->network.ie_length-_FIXED_IE_LENGTH_, NULL, &wps_ielen)) + return true; + else + return false; + + } + if (adapter->registrypriv.wifi_spec == 1) { /* for correct flow of 8021X to do.... */ + u8 *p = NULL; + uint ie_len = 0; + + if ((desired_encmode == Ndis802_11EncryptionDisabled) && (privacy != 0)) + bselected = false; + + if (psecuritypriv->ndisauthtype == Ndis802_11AuthModeWPA2PSK) { + p = rtw_get_ie(pnetwork->network.ies + _BEACON_IE_OFFSET_, WLAN_EID_RSN, &ie_len, (pnetwork->network.ie_length - _BEACON_IE_OFFSET_)); + if (p && ie_len > 0) + bselected = true; + else + bselected = false; + } + } + + if ((desired_encmode != Ndis802_11EncryptionDisabled) && (privacy == 0)) + bselected = false; + + if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true) { + if (pnetwork->network.infrastructure_mode != pmlmepriv->cur_network.network.infrastructure_mode) + bselected = false; + } + + return bselected; +} + +/* TODO: Perry : For Power Management */ +void rtw_atimdone_event_callback(struct adapter *adapter, u8 *pbuf) +{ +} + +void rtw_survey_event_callback(struct adapter *adapter, u8 *pbuf) +{ + u32 len; + struct wlan_bssid_ex *pnetwork; + struct mlme_priv *pmlmepriv = &(adapter->mlmepriv); + + pnetwork = (struct wlan_bssid_ex *)pbuf; + + len = get_wlan_bssid_ex_sz(pnetwork); + if (len > (sizeof(struct wlan_bssid_ex))) + return; + + spin_lock_bh(&pmlmepriv->lock); + + /* update IBSS_network 's timestamp */ + if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) == true) { + if (!memcmp(&(pmlmepriv->cur_network.network.mac_address), pnetwork->mac_address, ETH_ALEN)) { + struct wlan_network *ibss_wlan = NULL; + + memcpy(pmlmepriv->cur_network.network.ies, pnetwork->ies, 8); + spin_lock_bh(&(pmlmepriv->scanned_queue.lock)); + ibss_wlan = rtw_find_network(&pmlmepriv->scanned_queue, pnetwork->mac_address); + if (ibss_wlan) { + memcpy(ibss_wlan->network.ies, pnetwork->ies, 8); + spin_unlock_bh(&(pmlmepriv->scanned_queue.lock)); + goto exit; + } + spin_unlock_bh(&(pmlmepriv->scanned_queue.lock)); + } + } + + /* lock pmlmepriv->lock when you accessing network_q */ + if ((check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) == false) { + if (pnetwork->ssid.ssid[0] == 0) + pnetwork->ssid.ssid_length = 0; + rtw_add_network(adapter, pnetwork); + } + +exit: + + spin_unlock_bh(&pmlmepriv->lock); +} + +void rtw_surveydone_event_callback(struct adapter *adapter, u8 *pbuf) +{ + struct mlme_priv *pmlmepriv = &(adapter->mlmepriv); + + spin_lock_bh(&pmlmepriv->lock); + if (pmlmepriv->wps_probe_req_ie) { + pmlmepriv->wps_probe_req_ie_len = 0; + kfree(pmlmepriv->wps_probe_req_ie); + pmlmepriv->wps_probe_req_ie = NULL; + } + + if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY)) { + spin_unlock_bh(&pmlmepriv->lock); + del_timer_sync(&pmlmepriv->scan_to_timer); + spin_lock_bh(&pmlmepriv->lock); + _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY); + } + + rtw_set_signal_stat_timer(&adapter->recvpriv); + + if (pmlmepriv->to_join) { + if ((check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true)) { + if (check_fwstate(pmlmepriv, _FW_LINKED) == false) { + set_fwstate(pmlmepriv, _FW_UNDER_LINKING); + + if (rtw_select_and_join_from_scanned_queue(pmlmepriv) == _SUCCESS) { + _set_timer(&pmlmepriv->assoc_timer, MAX_JOIN_TIMEOUT); + } else { + u8 ret = _SUCCESS; + struct wlan_bssid_ex *pdev_network = &(adapter->registrypriv.dev_network); + u8 *pibss = adapter->registrypriv.dev_network.mac_address; + + /* pmlmepriv->fw_state ^= _FW_UNDER_SURVEY;because don't set assoc_timer */ + _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY); + + memcpy(&pdev_network->ssid, &pmlmepriv->assoc_ssid, sizeof(struct ndis_802_11_ssid)); + + rtw_update_registrypriv_dev_network(adapter); + rtw_generate_random_ibss(pibss); + + pmlmepriv->fw_state = WIFI_ADHOC_MASTER_STATE; + + pmlmepriv->to_join = false; + + ret = rtw_createbss_cmd(adapter); + if (ret != _SUCCESS) + goto unlock; + } + } + } else { + int s_ret; + + set_fwstate(pmlmepriv, _FW_UNDER_LINKING); + pmlmepriv->to_join = false; + s_ret = rtw_select_and_join_from_scanned_queue(pmlmepriv); + if (s_ret == _SUCCESS) { + _set_timer(&pmlmepriv->assoc_timer, MAX_JOIN_TIMEOUT); + } else if (s_ret == 2) {/* there is no need to wait for join */ + _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING); + rtw_indicate_connect(adapter); + } else { + if (rtw_to_roam(adapter) != 0) { + if (rtw_dec_to_roam(adapter) == 0 + || _SUCCESS != rtw_sitesurvey_cmd(adapter, &pmlmepriv->assoc_ssid, 1, NULL, 0) + ) { + rtw_set_to_roam(adapter, 0); + rtw_free_assoc_resources(adapter, 1); + rtw_indicate_disconnect(adapter); + } else { + pmlmepriv->to_join = true; + } + } else + rtw_indicate_disconnect(adapter); + + _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING); + } + } + } else { + if (rtw_chk_roam_flags(adapter, RTW_ROAM_ACTIVE)) { + if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) + && check_fwstate(pmlmepriv, _FW_LINKED)) { + if (rtw_select_roaming_candidate(pmlmepriv) == _SUCCESS) { + receive_disconnect(adapter, pmlmepriv->cur_network.network.mac_address + , WLAN_REASON_ACTIVE_ROAM); + } + } + } + } + +unlock: + spin_unlock_bh(&pmlmepriv->lock); + + rtw_os_xmit_schedule(adapter); + + rtw_cfg80211_surveydone_event_callback(adapter); + + rtw_indicate_scan_done(adapter, false); +} + +void rtw_dummy_event_callback(struct adapter *adapter, u8 *pbuf) +{ +} + +void rtw_fwdbg_event_callback(struct adapter *adapter, u8 *pbuf) +{ +} + +static void free_scanqueue(struct mlme_priv *pmlmepriv) +{ + struct __queue *free_queue = &pmlmepriv->free_bss_pool; + struct __queue *scan_queue = &pmlmepriv->scanned_queue; + struct list_head *plist, *phead, *ptemp; + + spin_lock_bh(&scan_queue->lock); + spin_lock_bh(&free_queue->lock); + + phead = get_list_head(scan_queue); + plist = get_next(phead); + + while (plist != phead) { + ptemp = get_next(plist); + list_del_init(plist); + list_add_tail(plist, &free_queue->queue); + plist = ptemp; + } + + spin_unlock_bh(&free_queue->lock); + spin_unlock_bh(&scan_queue->lock); +} + +static void rtw_reset_rx_info(struct debug_priv *pdbgpriv) +{ + pdbgpriv->dbg_rx_ampdu_drop_count = 0; + pdbgpriv->dbg_rx_ampdu_forced_indicate_count = 0; + pdbgpriv->dbg_rx_ampdu_loss_count = 0; + pdbgpriv->dbg_rx_dup_mgt_frame_drop_count = 0; + pdbgpriv->dbg_rx_ampdu_window_shift_cnt = 0; +} + +static void find_network(struct adapter *adapter) +{ + struct wlan_network *pwlan = NULL; + struct mlme_priv *pmlmepriv = &adapter->mlmepriv; + struct wlan_network *tgt_network = &pmlmepriv->cur_network; + + pwlan = rtw_find_network(&pmlmepriv->scanned_queue, tgt_network->network.mac_address); + if (pwlan) + pwlan->fixed = false; + + if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) && + (adapter->stapriv.asoc_sta_count == 1)) + rtw_free_network_nolock(adapter, pwlan); +} + +/* +*rtw_free_assoc_resources: the caller has to lock pmlmepriv->lock +*/ +void rtw_free_assoc_resources(struct adapter *adapter, int lock_scanned_queue) +{ + struct mlme_priv *pmlmepriv = &adapter->mlmepriv; + struct wlan_network *tgt_network = &pmlmepriv->cur_network; + struct dvobj_priv *psdpriv = adapter->dvobj; + struct debug_priv *pdbgpriv = &psdpriv->drv_dbg; + + if (check_fwstate(pmlmepriv, WIFI_STATION_STATE|WIFI_AP_STATE)) { + struct sta_info *psta; + + psta = rtw_get_stainfo(&adapter->stapriv, tgt_network->network.mac_address); + rtw_free_stainfo(adapter, psta); + } + + if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE|WIFI_ADHOC_MASTER_STATE|WIFI_AP_STATE)) { + struct sta_info *psta; + + rtw_free_all_stainfo(adapter); + + psta = rtw_get_bcmc_stainfo(adapter); + rtw_free_stainfo(adapter, psta); + + rtw_init_bcmc_stainfo(adapter); + } + + find_network(adapter); + + if (lock_scanned_queue) + adapter->securitypriv.key_mask = 0; + + rtw_reset_rx_info(pdbgpriv); +} + +/* +*rtw_indicate_connect: the caller has to lock pmlmepriv->lock +*/ +void rtw_indicate_connect(struct adapter *padapter) +{ + struct mlme_priv *pmlmepriv = &padapter->mlmepriv; + + pmlmepriv->to_join = false; + + if (!check_fwstate(&padapter->mlmepriv, _FW_LINKED)) { + + set_fwstate(pmlmepriv, _FW_LINKED); + + rtw_os_indicate_connect(padapter); + } + + rtw_set_to_roam(padapter, 0); + rtw_set_scan_deny(padapter, 3000); + +} + +/* +*rtw_indicate_disconnect: the caller has to lock pmlmepriv->lock +*/ +void rtw_indicate_disconnect(struct adapter *padapter) +{ + struct mlme_priv *pmlmepriv = &padapter->mlmepriv; + + _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING|WIFI_UNDER_WPS); + + if (rtw_to_roam(padapter) > 0) + _clr_fwstate_(pmlmepriv, _FW_LINKED); + + if (check_fwstate(&padapter->mlmepriv, _FW_LINKED) + || (rtw_to_roam(padapter) <= 0) + ) { + rtw_os_indicate_disconnect(padapter); + + /* set ips_deny_time to avoid enter IPS before LPS leave */ + rtw_set_ips_deny(padapter, 3000); + + _clr_fwstate_(pmlmepriv, _FW_LINKED); + + rtw_clear_scan_deny(padapter); + } + + rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_DISCONNECT, 1); +} + +inline void rtw_indicate_scan_done(struct adapter *padapter, bool aborted) +{ + rtw_os_indicate_scan_done(padapter, aborted); + + if (is_primary_adapter(padapter) && + (!adapter_to_pwrctl(padapter)->bInSuspend) && + (!check_fwstate(&padapter->mlmepriv, + WIFI_ASOC_STATE|WIFI_UNDER_LINKING))) { + rtw_set_ips_deny(padapter, 0); + _set_timer(&padapter->mlmepriv.dynamic_chk_timer, 1); + } +} + +void rtw_scan_abort(struct adapter *adapter) +{ + unsigned long start; + struct mlme_priv *pmlmepriv = &(adapter->mlmepriv); + struct mlme_ext_priv *pmlmeext = &(adapter->mlmeextpriv); + + start = jiffies; + pmlmeext->scan_abort = true; + while (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY) + && jiffies_to_msecs(start) <= 200) { + + if (adapter->bDriverStopped || adapter->bSurpriseRemoved) + break; + + msleep(20); + } + + if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY)) + rtw_indicate_scan_done(adapter, true); + + pmlmeext->scan_abort = false; +} + +static struct sta_info *rtw_joinbss_update_stainfo(struct adapter *padapter, struct wlan_network *pnetwork) +{ + int i; + struct sta_info *bmc_sta, *psta = NULL; + struct recv_reorder_ctrl *preorder_ctrl; + struct sta_priv *pstapriv = &padapter->stapriv; + struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; + + psta = rtw_get_stainfo(pstapriv, pnetwork->network.mac_address); + if (!psta) + psta = rtw_alloc_stainfo(pstapriv, pnetwork->network.mac_address); + + if (psta) { /* update ptarget_sta */ + + psta->aid = pnetwork->join_res; + + update_sta_info(padapter, psta); + + /* update station supportRate */ + psta->bssratelen = rtw_get_rateset_len(pnetwork->network.supported_rates); + memcpy(psta->bssrateset, pnetwork->network.supported_rates, psta->bssratelen); + rtw_hal_update_sta_rate_mask(padapter, psta); + + psta->wireless_mode = pmlmeext->cur_wireless_mode; + psta->raid = networktype_to_raid_ex(padapter, psta); + + /* sta mode */ + rtw_hal_set_odm_var(padapter, HAL_ODM_STA_INFO, psta, true); + + /* security related */ + if (padapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) { + padapter->securitypriv.binstallGrpkey = false; + padapter->securitypriv.busetkipkey = false; + padapter->securitypriv.bgrpkey_handshake = false; + + psta->ieee8021x_blocked = true; + psta->dot118021XPrivacy = padapter->securitypriv.dot11PrivacyAlgrthm; + + memset((u8 *)&psta->dot118021x_UncstKey, 0, sizeof(union Keytype)); + + memset((u8 *)&psta->dot11tkiprxmickey, 0, sizeof(union Keytype)); + memset((u8 *)&psta->dot11tkiptxmickey, 0, sizeof(union Keytype)); + + memset((u8 *)&psta->dot11txpn, 0, sizeof(union pn48)); + psta->dot11txpn.val = psta->dot11txpn.val + 1; + memset((u8 *)&psta->dot11wtxpn, 0, sizeof(union pn48)); + memset((u8 *)&psta->dot11rxpn, 0, sizeof(union pn48)); + } + + /* Commented by Albert 2012/07/21 */ + /* When doing the WPS, the wps_ie_len won't equal to 0 */ + /* And the Wi-Fi driver shouldn't allow the data packet to be transmitted. */ + if (padapter->securitypriv.wps_ie_len != 0) { + psta->ieee8021x_blocked = true; + padapter->securitypriv.wps_ie_len = 0; + } + + /* for A-MPDU Rx reordering buffer control for bmc_sta & sta_info */ + /* if A-MPDU Rx is enabled, resetting rx_ordering_ctrl wstart_b(indicate_seq) to default value = 0xffff */ + /* todo: check if AP can send A-MPDU packets */ + for (i = 0; i < 16 ; i++) { + /* preorder_ctrl = &precvpriv->recvreorder_ctrl[i]; */ + preorder_ctrl = &psta->recvreorder_ctrl[i]; + preorder_ctrl->enable = false; + preorder_ctrl->indicate_seq = 0xffff; + preorder_ctrl->wend_b = 0xffff; + preorder_ctrl->wsize_b = 64;/* max_ampdu_sz;ex. 32(kbytes) -> wsize_b =32 */ + } + + bmc_sta = rtw_get_bcmc_stainfo(padapter); + if (bmc_sta) { + for (i = 0; i < 16 ; i++) { + /* preorder_ctrl = &precvpriv->recvreorder_ctrl[i]; */ + preorder_ctrl = &bmc_sta->recvreorder_ctrl[i]; + preorder_ctrl->enable = false; + preorder_ctrl->indicate_seq = 0xffff; + preorder_ctrl->wend_b = 0xffff; + preorder_ctrl->wsize_b = 64;/* max_ampdu_sz;ex. 32(kbytes) -> wsize_b =32 */ + } + } + } + + return psta; + +} + +/* pnetwork : returns from rtw_joinbss_event_callback */ +/* ptarget_wlan: found from scanned_queue */ +static void rtw_joinbss_update_network(struct adapter *padapter, struct wlan_network *ptarget_wlan, struct wlan_network *pnetwork) +{ + struct mlme_priv *pmlmepriv = &(padapter->mlmepriv); + struct wlan_network *cur_network = &(pmlmepriv->cur_network); + + /* why not use ptarget_wlan?? */ + memcpy(&cur_network->network, &pnetwork->network, pnetwork->network.length); + /* some ies in pnetwork is wrong, so we should use ptarget_wlan ies */ + cur_network->network.ie_length = ptarget_wlan->network.ie_length; + memcpy(&cur_network->network.ies[0], &ptarget_wlan->network.ies[0], MAX_IE_SZ); + + cur_network->aid = pnetwork->join_res; + + rtw_set_signal_stat_timer(&padapter->recvpriv); + + padapter->recvpriv.signal_strength = ptarget_wlan->network.phy_info.signal_strength; + padapter->recvpriv.signal_qual = ptarget_wlan->network.phy_info.signal_quality; + /* the ptarget_wlan->network.rssi is raw data, we use ptarget_wlan->network.phy_info.signal_strength instead (has scaled) */ + padapter->recvpriv.rssi = translate_percentage_to_dbm(ptarget_wlan->network.phy_info.signal_strength); + + rtw_set_signal_stat_timer(&padapter->recvpriv); + + /* update fw_state will clr _FW_UNDER_LINKING here indirectly */ + switch (pnetwork->network.infrastructure_mode) { + case Ndis802_11Infrastructure: + + if (pmlmepriv->fw_state&WIFI_UNDER_WPS) + pmlmepriv->fw_state = WIFI_STATION_STATE|WIFI_UNDER_WPS; + else + pmlmepriv->fw_state = WIFI_STATION_STATE; + + break; + case Ndis802_11IBSS: + pmlmepriv->fw_state = WIFI_ADHOC_STATE; + break; + default: + pmlmepriv->fw_state = WIFI_NULL_STATE; + break; + } + + rtw_update_protection(padapter, (cur_network->network.ies) + sizeof(struct ndis_802_11_fix_ie), + (cur_network->network.ie_length)); + + rtw_update_ht_cap(padapter, cur_network->network.ies, cur_network->network.ie_length, (u8) cur_network->network.configuration.ds_config); +} + +/* Notes: the function could be > passive_level (the same context as Rx tasklet) */ +/* pnetwork : returns from rtw_joinbss_event_callback */ +/* ptarget_wlan: found from scanned_queue */ +/* if join_res > 0, for (fw_state ==WIFI_STATION_STATE), we check if "ptarget_sta" & "ptarget_wlan" exist. */ +/* if join_res > 0, for (fw_state ==WIFI_ADHOC_STATE), we only check if "ptarget_wlan" exist. */ +/* if join_res > 0, update "cur_network->network" from "pnetwork->network" if (ptarget_wlan != NULL). */ +/* */ +/* define REJOIN */ +void rtw_joinbss_event_prehandle(struct adapter *adapter, u8 *pbuf) +{ + static u8 __maybe_unused retry; + struct sta_info *ptarget_sta = NULL, *pcur_sta = NULL; + struct sta_priv *pstapriv = &adapter->stapriv; + struct mlme_priv *pmlmepriv = &(adapter->mlmepriv); + struct wlan_network *pnetwork = (struct wlan_network *)pbuf; + struct wlan_network *cur_network = &(pmlmepriv->cur_network); + struct wlan_network *pcur_wlan = NULL, *ptarget_wlan = NULL; + unsigned int the_same_macaddr = false; + + rtw_get_encrypt_decrypt_from_registrypriv(adapter); + + the_same_macaddr = !memcmp(pnetwork->network.mac_address, cur_network->network.mac_address, ETH_ALEN); + + pnetwork->network.length = get_wlan_bssid_ex_sz(&pnetwork->network); + if (pnetwork->network.length > sizeof(struct wlan_bssid_ex)) + return; + + spin_lock_bh(&pmlmepriv->lock); + + pmlmepriv->LinkDetectInfo.TrafficTransitionCount = 0; + pmlmepriv->LinkDetectInfo.LowPowerTransitionCount = 0; + + if (pnetwork->join_res > 0) { + spin_lock_bh(&(pmlmepriv->scanned_queue.lock)); + retry = 0; + if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) { + /* s1. find ptarget_wlan */ + if (check_fwstate(pmlmepriv, _FW_LINKED)) { + if (the_same_macaddr) { + ptarget_wlan = rtw_find_network(&pmlmepriv->scanned_queue, cur_network->network.mac_address); + } else { + pcur_wlan = rtw_find_network(&pmlmepriv->scanned_queue, cur_network->network.mac_address); + if (pcur_wlan) + pcur_wlan->fixed = false; + + pcur_sta = rtw_get_stainfo(pstapriv, cur_network->network.mac_address); + if (pcur_sta) + rtw_free_stainfo(adapter, pcur_sta); + + ptarget_wlan = rtw_find_network(&pmlmepriv->scanned_queue, pnetwork->network.mac_address); + if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) { + if (ptarget_wlan) + ptarget_wlan->fixed = true; + } + } + + } else { + ptarget_wlan = _rtw_find_same_network(&pmlmepriv->scanned_queue, pnetwork); + if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) { + if (ptarget_wlan) + ptarget_wlan->fixed = true; + } + } + + /* s2. update cur_network */ + if (ptarget_wlan) { + rtw_joinbss_update_network(adapter, ptarget_wlan, pnetwork); + } else { + netdev_dbg(adapter->pnetdev, + "Can't find ptarget_wlan when joinbss_event callback\n"); + spin_unlock_bh(&(pmlmepriv->scanned_queue.lock)); + goto ignore_joinbss_callback; + } + + /* s3. find ptarget_sta & update ptarget_sta after update cur_network only for station mode */ + if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) { + ptarget_sta = rtw_joinbss_update_stainfo(adapter, pnetwork); + if (!ptarget_sta) { + spin_unlock_bh(&(pmlmepriv->scanned_queue.lock)); + goto ignore_joinbss_callback; + } + } + + /* s4. indicate connect */ + if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) { + pmlmepriv->cur_network_scanned = ptarget_wlan; + rtw_indicate_connect(adapter); + } + + spin_unlock_bh(&pmlmepriv->scanned_queue.lock); + + spin_unlock_bh(&pmlmepriv->lock); + /* s5. Cancel assoc_timer */ + del_timer_sync(&pmlmepriv->assoc_timer); + spin_lock_bh(&pmlmepriv->lock); + } else { + spin_unlock_bh(&(pmlmepriv->scanned_queue.lock)); + } + } else if (pnetwork->join_res == -4) { + rtw_reset_securitypriv(adapter); + _set_timer(&pmlmepriv->assoc_timer, 1); + + /* rtw_free_assoc_resources(adapter, 1); */ + + if ((check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) == true) + _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING); + + } else {/* if join_res < 0 (join fails), then try again */ + + #ifdef REJOIN + res = _FAIL; + if (retry < 2) + res = rtw_select_and_join_from_scanned_queue(pmlmepriv); + + if (res == _SUCCESS) { + /* extend time of assoc_timer */ + _set_timer(&pmlmepriv->assoc_timer, MAX_JOIN_TIMEOUT); + retry++; + } else if (res == 2) {/* there is no need to wait for join */ + _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING); + rtw_indicate_connect(adapter); + } else { + #endif + + _set_timer(&pmlmepriv->assoc_timer, 1); + /* rtw_free_assoc_resources(adapter, 1); */ + _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING); + + #ifdef REJOIN + retry = 0; + } + #endif + } + +ignore_joinbss_callback: + + spin_unlock_bh(&pmlmepriv->lock); +} + +void rtw_joinbss_event_callback(struct adapter *adapter, u8 *pbuf) +{ + struct wlan_network *pnetwork = (struct wlan_network *)pbuf; + + mlmeext_joinbss_event_callback(adapter, pnetwork->join_res); + + rtw_os_xmit_schedule(adapter); +} + +/* FOR STA, AP , AD-HOC mode */ +void rtw_sta_media_status_rpt(struct adapter *adapter, struct sta_info *psta, u32 mstatus) +{ + u16 media_status_rpt; + + if (!psta) + return; + + media_status_rpt = (u16)((psta->mac_id<<8)|mstatus); /* MACID|OPMODE:1 connect */ + rtw_hal_set_hwreg(adapter, HW_VAR_H2C_MEDIA_STATUS_RPT, (u8 *)&media_status_rpt); +} + +void rtw_stassoc_event_callback(struct adapter *adapter, u8 *pbuf) +{ + struct sta_info *psta; + struct mlme_priv *pmlmepriv = &(adapter->mlmepriv); + struct stassoc_event *pstassoc = (struct stassoc_event *)pbuf; + struct wlan_network *cur_network = &(pmlmepriv->cur_network); + struct wlan_network *ptarget_wlan = NULL; + + if (rtw_access_ctrl(adapter, pstassoc->macaddr) == false) + return; + + if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) { + psta = rtw_get_stainfo(&adapter->stapriv, pstassoc->macaddr); + if (psta) { + u8 *passoc_req = NULL; + u32 assoc_req_len = 0; + + rtw_sta_media_status_rpt(adapter, psta, 1); + + ap_sta_info_defer_update(adapter, psta); + + /* report to upper layer */ + spin_lock_bh(&psta->lock); + if (psta->passoc_req && psta->assoc_req_len > 0) { + passoc_req = rtw_zmalloc(psta->assoc_req_len); + if (passoc_req) { + assoc_req_len = psta->assoc_req_len; + memcpy(passoc_req, psta->passoc_req, assoc_req_len); + + kfree(psta->passoc_req); + psta->passoc_req = NULL; + psta->assoc_req_len = 0; + } + } + spin_unlock_bh(&psta->lock); + + if (passoc_req && assoc_req_len > 0) { + rtw_cfg80211_indicate_sta_assoc(adapter, passoc_req, assoc_req_len); + + kfree(passoc_req); + } + } + return; + } + + /* for AD-HOC mode */ + psta = rtw_get_stainfo(&adapter->stapriv, pstassoc->macaddr); + if (psta) { + /* the sta have been in sta_info_queue => do nothing */ + + return; /* between drv has received this event before and fw have not yet to set key to CAM_ENTRY) */ + } + + psta = rtw_alloc_stainfo(&adapter->stapriv, pstassoc->macaddr); + if (!psta) + return; + + /* to do : init sta_info variable */ + psta->qos_option = 0; + psta->mac_id = (uint)pstassoc->cam_id; + /* psta->aid = (uint)pstassoc->cam_id; */ + + /* for ad-hoc mode */ + rtw_hal_set_odm_var(adapter, HAL_ODM_STA_INFO, psta, true); + + rtw_sta_media_status_rpt(adapter, psta, 1); + + if (adapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) + psta->dot118021XPrivacy = adapter->securitypriv.dot11PrivacyAlgrthm; + + psta->ieee8021x_blocked = false; + + spin_lock_bh(&pmlmepriv->lock); + + if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true) || + (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true)) { + if (adapter->stapriv.asoc_sta_count == 2) { + spin_lock_bh(&(pmlmepriv->scanned_queue.lock)); + ptarget_wlan = rtw_find_network(&pmlmepriv->scanned_queue, cur_network->network.mac_address); + pmlmepriv->cur_network_scanned = ptarget_wlan; + if (ptarget_wlan) + ptarget_wlan->fixed = true; + spin_unlock_bh(&(pmlmepriv->scanned_queue.lock)); + /* a sta + bc/mc_stainfo (not Ibss_stainfo) */ + rtw_indicate_connect(adapter); + } + } + + spin_unlock_bh(&pmlmepriv->lock); + + mlmeext_sta_add_event_callback(adapter, psta); +} + +void rtw_stadel_event_callback(struct adapter *adapter, u8 *pbuf) +{ + int mac_id = (-1); + struct sta_info *psta; + struct wlan_network *pwlan = NULL; + struct wlan_bssid_ex *pdev_network = NULL; + u8 *pibss = NULL; + struct mlme_priv *pmlmepriv = &(adapter->mlmepriv); + struct stadel_event *pstadel = (struct stadel_event *)pbuf; + struct wlan_network *tgt_network = &(pmlmepriv->cur_network); + struct mlme_ext_priv *pmlmeext = &adapter->mlmeextpriv; + struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); + + psta = rtw_get_stainfo(&adapter->stapriv, pstadel->macaddr); + if (psta) + mac_id = psta->mac_id; + else + mac_id = pstadel->mac_id; + + if (mac_id >= 0) { + u16 media_status; + + media_status = (mac_id<<8)|0; /* MACID|OPMODE:0 means disconnect */ + /* for STA, AP, ADHOC mode, report disconnect stauts to FW */ + rtw_hal_set_hwreg(adapter, HW_VAR_H2C_MEDIA_STATUS_RPT, (u8 *)&media_status); + } + + /* if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) */ + if ((pmlmeinfo->state&0x03) == WIFI_FW_AP_STATE) + return; + + mlmeext_sta_del_event_callback(adapter); + + spin_lock_bh(&pmlmepriv->lock); + + if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) { + u16 reason = *((unsigned short *)(pstadel->rsvd)); + bool roam = false; + struct wlan_network *roam_target = NULL; + + if (adapter->registrypriv.wifi_spec == 1) { + roam = false; + } else if (reason == WLAN_REASON_EXPIRATION_CHK && rtw_chk_roam_flags(adapter, RTW_ROAM_ON_EXPIRED)) { + roam = true; + } else if (reason == WLAN_REASON_ACTIVE_ROAM && rtw_chk_roam_flags(adapter, RTW_ROAM_ACTIVE)) { + roam = true; + roam_target = pmlmepriv->roam_network; + } + + if (roam) { + if (rtw_to_roam(adapter) > 0) + rtw_dec_to_roam(adapter); /* this stadel_event is caused by roaming, decrease to_roam */ + else if (rtw_to_roam(adapter) == 0) + rtw_set_to_roam(adapter, adapter->registrypriv.max_roaming_times); + } else { + rtw_set_to_roam(adapter, 0); + } + + rtw_free_uc_swdec_pending_queue(adapter); + + rtw_free_assoc_resources(adapter, 1); + rtw_indicate_disconnect(adapter); + + spin_lock_bh(&(pmlmepriv->scanned_queue.lock)); + /* remove the network entry in scanned_queue */ + pwlan = rtw_find_network(&pmlmepriv->scanned_queue, tgt_network->network.mac_address); + if (pwlan) { + pwlan->fixed = false; + rtw_free_network_nolock(adapter, pwlan); + } + spin_unlock_bh(&(pmlmepriv->scanned_queue.lock)); + + _rtw_roaming(adapter, roam_target); + } + + if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) || + check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) { + + rtw_free_stainfo(adapter, psta); + + if (adapter->stapriv.asoc_sta_count == 1) {/* a sta + bc/mc_stainfo (not Ibss_stainfo) */ + u8 ret = _SUCCESS; + /* rtw_indicate_disconnect(adapter);removed@20091105 */ + spin_lock_bh(&(pmlmepriv->scanned_queue.lock)); + /* free old ibss network */ + /* pwlan = rtw_find_network(&pmlmepriv->scanned_queue, pstadel->macaddr); */ + pwlan = rtw_find_network(&pmlmepriv->scanned_queue, tgt_network->network.mac_address); + if (pwlan) { + pwlan->fixed = false; + rtw_free_network_nolock(adapter, pwlan); + } + spin_unlock_bh(&(pmlmepriv->scanned_queue.lock)); + /* re-create ibss */ + pdev_network = &(adapter->registrypriv.dev_network); + pibss = adapter->registrypriv.dev_network.mac_address; + + memcpy(pdev_network, &tgt_network->network, get_wlan_bssid_ex_sz(&tgt_network->network)); + + memcpy(&pdev_network->ssid, &pmlmepriv->assoc_ssid, sizeof(struct ndis_802_11_ssid)); + + rtw_update_registrypriv_dev_network(adapter); + + rtw_generate_random_ibss(pibss); + + if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) { + set_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE); + _clr_fwstate_(pmlmepriv, WIFI_ADHOC_STATE); + } + + ret = rtw_createbss_cmd(adapter); + if (ret != _SUCCESS) + goto unlock; + } + + } + +unlock: + spin_unlock_bh(&pmlmepriv->lock); +} + +void rtw_cpwm_event_callback(struct adapter *padapter, u8 *pbuf) +{ + struct reportpwrstate_parm *preportpwrstate; + + preportpwrstate = (struct reportpwrstate_parm *)pbuf; + preportpwrstate->state |= (u8)(adapter_to_pwrctl(padapter)->cpwm_tog + 0x80); + cpwm_int_hdl(padapter, preportpwrstate); +} + +void rtw_wmm_event_callback(struct adapter *padapter, u8 *pbuf) +{ + WMMOnAssocRsp(padapter); +} + +/* +* _rtw_join_timeout_handler - Timeout/failure handler for CMD JoinBss +* @adapter: pointer to struct adapter structure +*/ +void _rtw_join_timeout_handler(struct timer_list *t) +{ + struct adapter *adapter = from_timer(adapter, t, + mlmepriv.assoc_timer); + struct mlme_priv *pmlmepriv = &adapter->mlmepriv; + + if (adapter->bDriverStopped || adapter->bSurpriseRemoved) + return; + + spin_lock_bh(&pmlmepriv->lock); + + if (rtw_to_roam(adapter) > 0) { /* join timeout caused by roaming */ + while (1) { + rtw_dec_to_roam(adapter); + if (rtw_to_roam(adapter) != 0) { /* try another */ + int do_join_r; + + do_join_r = rtw_do_join(adapter); + if (do_join_r != _SUCCESS) { + continue; + } + break; + } else { + rtw_indicate_disconnect(adapter); + break; + } + } + + } else { + rtw_indicate_disconnect(adapter); + free_scanqueue(pmlmepriv);/* */ + + /* indicate disconnect for the case that join_timeout and check_fwstate != FW_LINKED */ + rtw_cfg80211_indicate_disconnect(adapter); + + } + + spin_unlock_bh(&pmlmepriv->lock); +} + +/* +* rtw_scan_timeout_handler - Timeout/Failure handler for CMD SiteSurvey +* @adapter: pointer to struct adapter structure +*/ +void rtw_scan_timeout_handler(struct timer_list *t) +{ + struct adapter *adapter = from_timer(adapter, t, + mlmepriv.scan_to_timer); + struct mlme_priv *pmlmepriv = &adapter->mlmepriv; + + spin_lock_bh(&pmlmepriv->lock); + + _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY); + + spin_unlock_bh(&pmlmepriv->lock); + + rtw_indicate_scan_done(adapter, true); +} + +void rtw_mlme_reset_auto_scan_int(struct adapter *adapter) +{ + struct mlme_priv *mlme = &adapter->mlmepriv; + struct mlme_ext_priv *pmlmeext = &adapter->mlmeextpriv; + struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); + + if (pmlmeinfo->VHT_enable) /* disable auto scan when connect to 11AC AP */ + mlme->auto_scan_int_ms = 0; + else if (adapter->registrypriv.wifi_spec && is_client_associated_to_ap(adapter) == true) + mlme->auto_scan_int_ms = 60*1000; + else if (rtw_chk_roam_flags(adapter, RTW_ROAM_ACTIVE)) { + if (check_fwstate(mlme, WIFI_STATION_STATE) && check_fwstate(mlme, _FW_LINKED)) + mlme->auto_scan_int_ms = mlme->roam_scan_int_ms; + } else + mlme->auto_scan_int_ms = 0; /* disabled */ +} + +static void rtw_auto_scan_handler(struct adapter *padapter) +{ + struct mlme_priv *pmlmepriv = &padapter->mlmepriv; + + rtw_mlme_reset_auto_scan_int(padapter); + + if (pmlmepriv->auto_scan_int_ms != 0 + && jiffies_to_msecs(jiffies - pmlmepriv->scan_start_time) > pmlmepriv->auto_scan_int_ms) { + + if (!padapter->registrypriv.wifi_spec) { + if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY | _FW_UNDER_LINKING) == true) + goto exit; + + if (pmlmepriv->LinkDetectInfo.bBusyTraffic) + goto exit; + } + + rtw_set_802_11_bssid_list_scan(padapter, NULL, 0); + } + +exit: + return; +} + +void rtw_dynamic_check_timer_handler(struct adapter *adapter) +{ + if (!adapter) + return; + + if (!adapter->hw_init_completed) + return; + + if (adapter->bDriverStopped || adapter->bSurpriseRemoved) + return; + + if (adapter->net_closed) + return; + + if ((adapter_to_pwrctl(adapter)->fw_current_in_ps_mode) + && !(hal_btcoex_IsBtControlLps(adapter)) + ) { + u8 bEnterPS; + + linked_status_chk(adapter); + + bEnterPS = traffic_status_watchdog(adapter, 1); + if (bEnterPS) { + /* rtw_lps_ctrl_wk_cmd(adapter, LPS_CTRL_ENTER, 1); */ + rtw_hal_dm_watchdog_in_lps(adapter); + } else { + /* call rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_LEAVE, 1) in traffic_status_watchdog() */ + } + + } else { + if (is_primary_adapter(adapter)) + rtw_dynamic_chk_wk_cmd(adapter); + } + + /* auto site survey */ + rtw_auto_scan_handler(adapter); +} + +inline bool rtw_is_scan_deny(struct adapter *adapter) +{ + struct mlme_priv *mlmepriv = &adapter->mlmepriv; + + return (atomic_read(&mlmepriv->set_scan_deny) != 0) ? true : false; +} + +inline void rtw_clear_scan_deny(struct adapter *adapter) +{ + struct mlme_priv *mlmepriv = &adapter->mlmepriv; + + atomic_set(&mlmepriv->set_scan_deny, 0); +} + +void rtw_set_scan_deny(struct adapter *adapter, u32 ms) +{ + struct mlme_priv *mlmepriv = &adapter->mlmepriv; + + atomic_set(&mlmepriv->set_scan_deny, 1); + _set_timer(&mlmepriv->set_scan_deny_timer, ms); +} + +/* +* Select a new roaming candidate from the original @param candidate and @param competitor +* @return true: candidate is updated +* @return false: candidate is not updated +*/ +static int rtw_check_roaming_candidate(struct mlme_priv *mlme + , struct wlan_network **candidate, struct wlan_network *competitor) +{ + int updated = false; + struct adapter *adapter = container_of(mlme, struct adapter, mlmepriv); + + if (is_same_ess(&competitor->network, &mlme->cur_network.network) == false) + goto exit; + + if (rtw_is_desired_network(adapter, competitor) == false) + goto exit; + + /* got specific addr to roam */ + if (!is_zero_mac_addr(mlme->roam_tgt_addr)) { + if (!memcmp(mlme->roam_tgt_addr, competitor->network.mac_address, ETH_ALEN)) + goto update; + else + goto exit; + } + if (jiffies_to_msecs(jiffies - competitor->last_scanned) >= mlme->roam_scanr_exp_ms) + goto exit; + + if (competitor->network.rssi - mlme->cur_network_scanned->network.rssi < mlme->roam_rssi_diff_th) + goto exit; + + if (*candidate && (*candidate)->network.rssi >= competitor->network.rssi) + goto exit; + +update: + *candidate = competitor; + updated = true; + +exit: + return updated; +} + +int rtw_select_roaming_candidate(struct mlme_priv *mlme) +{ + int ret = _FAIL; + struct list_head *phead; + struct __queue *queue = &(mlme->scanned_queue); + struct wlan_network *pnetwork = NULL; + struct wlan_network *candidate = NULL; + + if (!mlme->cur_network_scanned) { + rtw_warn_on(1); + return ret; + } + + spin_lock_bh(&(mlme->scanned_queue.lock)); + phead = get_list_head(queue); + + list_for_each(mlme->pscanned, phead) { + + pnetwork = list_entry(mlme->pscanned, struct wlan_network, + list); + + rtw_check_roaming_candidate(mlme, &candidate, pnetwork); + + } + + if (!candidate) { + ret = _FAIL; + goto exit; + } else { + mlme->roam_network = candidate; + + if (!memcmp(candidate->network.mac_address, mlme->roam_tgt_addr, ETH_ALEN)) + eth_zero_addr(mlme->roam_tgt_addr); + } + + ret = _SUCCESS; +exit: + spin_unlock_bh(&(mlme->scanned_queue.lock)); + + return ret; +} + +/* +* Select a new join candidate from the original @param candidate and @param competitor +* @return true: candidate is updated +* @return false: candidate is not updated +*/ +static int rtw_check_join_candidate(struct mlme_priv *mlme + , struct wlan_network **candidate, struct wlan_network *competitor) +{ + int updated = false; + struct adapter *adapter = container_of(mlme, struct adapter, mlmepriv); + + /* check bssid, if needed */ + if (mlme->assoc_by_bssid) { + if (memcmp(competitor->network.mac_address, mlme->assoc_bssid, ETH_ALEN)) + goto exit; + } + + /* check ssid, if needed */ + if (mlme->assoc_ssid.ssid[0] && mlme->assoc_ssid.ssid_length) { + if (competitor->network.ssid.ssid_length != mlme->assoc_ssid.ssid_length + || memcmp(competitor->network.ssid.ssid, mlme->assoc_ssid.ssid, mlme->assoc_ssid.ssid_length) + ) + goto exit; + } + + if (rtw_is_desired_network(adapter, competitor) == false) + goto exit; + + if (rtw_to_roam(adapter) > 0) { + if (jiffies_to_msecs(jiffies - competitor->last_scanned) >= mlme->roam_scanr_exp_ms + || is_same_ess(&competitor->network, &mlme->cur_network.network) == false + ) + goto exit; + } + + if (!*candidate || (*candidate)->network.rssi < competitor->network.rssi) { + *candidate = competitor; + updated = true; + } + +exit: + return updated; +} + +/* +Calling context: +The caller of the sub-routine will be in critical section... +The caller must hold the following spinlock +pmlmepriv->lock +*/ + +int rtw_select_and_join_from_scanned_queue(struct mlme_priv *pmlmepriv) +{ + int ret; + struct list_head *phead; + struct adapter *adapter; + struct __queue *queue = &(pmlmepriv->scanned_queue); + struct wlan_network *pnetwork = NULL; + struct wlan_network *candidate = NULL; + + adapter = (struct adapter *)pmlmepriv->nic_hdl; + + spin_lock_bh(&(pmlmepriv->scanned_queue.lock)); + + if (pmlmepriv->roam_network) { + candidate = pmlmepriv->roam_network; + pmlmepriv->roam_network = NULL; + goto candidate_exist; + } + + phead = get_list_head(queue); + list_for_each(pmlmepriv->pscanned, phead) { + + pnetwork = list_entry(pmlmepriv->pscanned, + struct wlan_network, list); + + rtw_check_join_candidate(pmlmepriv, &candidate, pnetwork); + + } + + if (!candidate) { + ret = _FAIL; + goto exit; + } else { + goto candidate_exist; + } + +candidate_exist: + + /* check for situation of _FW_LINKED */ + if (check_fwstate(pmlmepriv, _FW_LINKED) == true) { + rtw_disassoc_cmd(adapter, 0, true); + rtw_indicate_disconnect(adapter); + rtw_free_assoc_resources(adapter, 0); + } + + set_fwstate(pmlmepriv, _FW_UNDER_LINKING); + ret = rtw_joinbss_cmd(adapter, candidate); + +exit: + spin_unlock_bh(&(pmlmepriv->scanned_queue.lock)); + return ret; +} + +signed int rtw_set_auth(struct adapter *adapter, struct security_priv *psecuritypriv) +{ + struct cmd_obj *pcmd; + struct setauth_parm *psetauthparm; + struct cmd_priv *pcmdpriv = &(adapter->cmdpriv); + signed int res = _SUCCESS; + + pcmd = rtw_zmalloc(sizeof(struct cmd_obj)); + if (!pcmd) { + res = _FAIL; /* try again */ + goto exit; + } + + psetauthparm = rtw_zmalloc(sizeof(struct setauth_parm)); + if (!psetauthparm) { + kfree(pcmd); + res = _FAIL; + goto exit; + } + + psetauthparm->mode = (unsigned char)psecuritypriv->dot11AuthAlgrthm; + + pcmd->cmdcode = _SetAuth_CMD_; + pcmd->parmbuf = (unsigned char *)psetauthparm; + pcmd->cmdsz = (sizeof(struct setauth_parm)); + pcmd->rsp = NULL; + pcmd->rspsz = 0; + + INIT_LIST_HEAD(&pcmd->list); + + res = rtw_enqueue_cmd(pcmdpriv, pcmd); + +exit: + return res; +} + +signed int rtw_set_key(struct adapter *adapter, struct security_priv *psecuritypriv, signed int keyid, u8 set_tx, bool enqueue) +{ + u8 keylen; + struct cmd_obj *pcmd; + struct setkey_parm *psetkeyparm; + struct cmd_priv *pcmdpriv = &(adapter->cmdpriv); + signed int res = _SUCCESS; + + psetkeyparm = rtw_zmalloc(sizeof(struct setkey_parm)); + if (!psetkeyparm) { + res = _FAIL; + goto exit; + } + + if (psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) + psetkeyparm->algorithm = (unsigned char)psecuritypriv->dot118021XGrpPrivacy; + else + psetkeyparm->algorithm = (u8)psecuritypriv->dot11PrivacyAlgrthm; + + psetkeyparm->keyid = (u8)keyid;/* 0~3 */ + psetkeyparm->set_tx = set_tx; + if (is_wep_enc(psetkeyparm->algorithm)) + adapter->securitypriv.key_mask |= BIT(psetkeyparm->keyid); + + switch (psetkeyparm->algorithm) { + + case _WEP40_: + keylen = 5; + memcpy(&(psetkeyparm->key[0]), &(psecuritypriv->dot11DefKey[keyid].skey[0]), keylen); + break; + case _WEP104_: + keylen = 13; + memcpy(&(psetkeyparm->key[0]), &(psecuritypriv->dot11DefKey[keyid].skey[0]), keylen); + break; + case _TKIP_: + keylen = 16; + memcpy(&psetkeyparm->key, &psecuritypriv->dot118021XGrpKey[keyid], keylen); + psetkeyparm->grpkey = 1; + break; + case _AES_: + keylen = 16; + memcpy(&psetkeyparm->key, &psecuritypriv->dot118021XGrpKey[keyid], keylen); + psetkeyparm->grpkey = 1; + break; + default: + res = _FAIL; + kfree(psetkeyparm); + goto exit; + } + + if (enqueue) { + pcmd = rtw_zmalloc(sizeof(struct cmd_obj)); + if (!pcmd) { + kfree(psetkeyparm); + res = _FAIL; /* try again */ + goto exit; + } + + pcmd->cmdcode = _SetKey_CMD_; + pcmd->parmbuf = (u8 *)psetkeyparm; + pcmd->cmdsz = (sizeof(struct setkey_parm)); + pcmd->rsp = NULL; + pcmd->rspsz = 0; + + INIT_LIST_HEAD(&pcmd->list); + + res = rtw_enqueue_cmd(pcmdpriv, pcmd); + } else { + setkey_hdl(adapter, (u8 *)psetkeyparm); + kfree(psetkeyparm); + } +exit: + return res; +} + +/* adjust ies for rtw_joinbss_cmd in WMM */ +int rtw_restruct_wmm_ie(struct adapter *adapter, u8 *in_ie, u8 *out_ie, uint in_len, uint initial_out_len) +{ + unsigned int ielength = 0; + unsigned int i, j; + + i = 12; /* after the fixed IE */ + while (i < in_len) { + ielength = initial_out_len; + + if (in_ie[i] == 0xDD && in_ie[i+2] == 0x00 && in_ie[i+3] == 0x50 && in_ie[i+4] == 0xF2 && in_ie[i+5] == 0x02 && i+5 < in_len) { /* WMM element ID and OUI */ + for (j = i; j < i + 9; j++) { + out_ie[ielength] = in_ie[j]; + ielength++; + } + out_ie[initial_out_len + 1] = 0x07; + out_ie[initial_out_len + 6] = 0x00; + out_ie[initial_out_len + 8] = 0x00; + + break; + } + + i += (in_ie[i+1]+2); /* to the next IE element */ + } + + return ielength; + +} + +/* */ +/* Ported from 8185: IsInPreAuthKeyList(). (Renamed from SecIsInPreAuthKeyList(), 2006-10-13.) */ +/* Added by Annie, 2006-05-07. */ +/* */ +/* Search by BSSID, */ +/* Return Value: */ +/* -1 :if there is no pre-auth key in the table */ +/* >= 0 :if there is pre-auth key, and return the entry id */ +/* */ +/* */ + +static int SecIsInPMKIDList(struct adapter *Adapter, u8 *bssid) +{ + struct security_priv *p = &Adapter->securitypriv; + int i; + + for (i = 0; i < NUM_PMKID_CACHE; i++) + if ((p->PMKIDList[i].bUsed) && + (!memcmp(p->PMKIDList[i].Bssid, bssid, ETH_ALEN))) + return i; + return -1; +} + +/* */ +/* Check the RSN IE length */ +/* If the RSN IE length <= 20, the RSN IE didn't include the PMKID information */ +/* 0-11th element in the array are the fixed IE */ +/* 12th element in the array is the IE */ +/* 13th element in the array is the IE length */ +/* */ + +static int rtw_append_pmkid(struct adapter *Adapter, int iEntry, u8 *ie, uint ie_len) +{ + struct security_priv *psecuritypriv = &Adapter->securitypriv; + + if (ie[13] <= 20) { + /* The RSN IE didn't include the PMK ID, append the PMK information */ + ie[ie_len] = 1; + ie_len++; + ie[ie_len] = 0; /* PMKID count = 0x0100 */ + ie_len++; + memcpy(&ie[ie_len], &psecuritypriv->PMKIDList[iEntry].PMKID, 16); + ie_len += 16; + ie[13] += 18;/* PMKID length = 2+16 */ + } + return ie_len; +} + +signed int rtw_restruct_sec_ie(struct adapter *adapter, u8 *in_ie, u8 *out_ie, uint in_len) +{ + u8 authmode = 0x0; + uint ielength; + int iEntry; + + struct mlme_priv *pmlmepriv = &adapter->mlmepriv; + struct security_priv *psecuritypriv = &adapter->securitypriv; + uint ndisauthmode = psecuritypriv->ndisauthtype; + + /* copy fixed ie only */ + memcpy(out_ie, in_ie, 12); + ielength = 12; + if ((ndisauthmode == Ndis802_11AuthModeWPA) || (ndisauthmode == Ndis802_11AuthModeWPAPSK)) + authmode = WLAN_EID_VENDOR_SPECIFIC; + if ((ndisauthmode == Ndis802_11AuthModeWPA2) || (ndisauthmode == Ndis802_11AuthModeWPA2PSK)) + authmode = WLAN_EID_RSN; + + if (check_fwstate(pmlmepriv, WIFI_UNDER_WPS)) { + memcpy(out_ie+ielength, psecuritypriv->wps_ie, psecuritypriv->wps_ie_len); + + ielength += psecuritypriv->wps_ie_len; + } else if ((authmode == WLAN_EID_VENDOR_SPECIFIC) || (authmode == WLAN_EID_RSN)) { + /* copy RSN or SSN */ + memcpy(&out_ie[ielength], &psecuritypriv->supplicant_ie[0], psecuritypriv->supplicant_ie[1]+2); + /* debug for CONFIG_IEEE80211W + { + int jj; + printk("supplicant_ie_length =%d &&&&&&&&&&&&&&&&&&&\n", psecuritypriv->supplicant_ie[1]+2); + for (jj = 0; jj < psecuritypriv->supplicant_ie[1]+2; jj++) + printk(" %02x ", psecuritypriv->supplicant_ie[jj]); + printk("\n"); + }*/ + ielength += psecuritypriv->supplicant_ie[1]+2; + rtw_report_sec_ie(adapter, authmode, psecuritypriv->supplicant_ie); + } + + iEntry = SecIsInPMKIDList(adapter, pmlmepriv->assoc_bssid); + if (iEntry < 0) { + return ielength; + } else { + if (authmode == WLAN_EID_RSN) + ielength = rtw_append_pmkid(adapter, iEntry, out_ie, ielength); + } + return ielength; +} + +void rtw_init_registrypriv_dev_network(struct adapter *adapter) +{ + struct registry_priv *pregistrypriv = &adapter->registrypriv; + struct eeprom_priv *peepriv = &adapter->eeprompriv; + struct wlan_bssid_ex *pdev_network = &pregistrypriv->dev_network; + u8 *myhwaddr = myid(peepriv); + + memcpy(pdev_network->mac_address, myhwaddr, ETH_ALEN); + + memcpy(&pdev_network->ssid, &pregistrypriv->ssid, sizeof(struct ndis_802_11_ssid)); + + pdev_network->configuration.length = sizeof(struct ndis_802_11_conf); + pdev_network->configuration.beacon_period = 100; +} + +void rtw_update_registrypriv_dev_network(struct adapter *adapter) +{ + int sz = 0; + struct registry_priv *pregistrypriv = &adapter->registrypriv; + struct wlan_bssid_ex *pdev_network = &pregistrypriv->dev_network; + struct security_priv *psecuritypriv = &adapter->securitypriv; + struct wlan_network *cur_network = &adapter->mlmepriv.cur_network; + /* struct xmit_priv *pxmitpriv = &adapter->xmitpriv; */ + + pdev_network->privacy = (psecuritypriv->dot11PrivacyAlgrthm > 0 ? 1 : 0) ; /* adhoc no 802.1x */ + + pdev_network->rssi = 0; + + switch (pregistrypriv->wireless_mode) { + case WIRELESS_11B: + pdev_network->network_type_in_use = (Ndis802_11DS); + break; + case WIRELESS_11G: + case WIRELESS_11BG: + case WIRELESS_11_24N: + case WIRELESS_11G_24N: + case WIRELESS_11BG_24N: + pdev_network->network_type_in_use = (Ndis802_11OFDM24); + break; + default: + /* TODO */ + break; + } + + pdev_network->configuration.ds_config = (pregistrypriv->channel); + + if (cur_network->network.infrastructure_mode == Ndis802_11IBSS) + pdev_network->configuration.atim_window = (0); + + pdev_network->infrastructure_mode = (cur_network->network.infrastructure_mode); + + /* 1. Supported rates */ + /* 2. IE */ + + /* rtw_set_supported_rate(pdev_network->supported_rates, pregistrypriv->wireless_mode) ; will be called in rtw_generate_ie */ + sz = rtw_generate_ie(pregistrypriv); + + pdev_network->ie_length = sz; + + pdev_network->length = get_wlan_bssid_ex_sz((struct wlan_bssid_ex *)pdev_network); + + /* notes: translate ie_length & length after assign the length to cmdsz in createbss_cmd(); */ + /* pdev_network->ie_length = cpu_to_le32(sz); */ +} + +void rtw_get_encrypt_decrypt_from_registrypriv(struct adapter *adapter) +{ +} + +/* the function is at passive_level */ +void rtw_joinbss_reset(struct adapter *padapter) +{ + u8 threshold; + struct mlme_priv *pmlmepriv = &padapter->mlmepriv; + + struct ht_priv *phtpriv = &pmlmepriv->htpriv; + + /* todo: if you want to do something io/reg/hw setting before join_bss, please add code here */ + + pmlmepriv->num_FortyMHzIntolerant = 0; + + pmlmepriv->num_sta_no_ht = 0; + + phtpriv->ampdu_enable = false;/* reset to disabled */ + + /* TH = 1 => means that invalidate usb rx aggregation */ + /* TH = 0 => means that validate usb rx aggregation, use init value. */ + if (phtpriv->ht_option) { + if (padapter->registrypriv.wifi_spec == 1) + threshold = 1; + else + threshold = 0; + rtw_hal_set_hwreg(padapter, HW_VAR_RXDMA_AGG_PG_TH, (u8 *)(&threshold)); + } else { + threshold = 1; + rtw_hal_set_hwreg(padapter, HW_VAR_RXDMA_AGG_PG_TH, (u8 *)(&threshold)); + } +} + +void rtw_ht_use_default_setting(struct adapter *padapter) +{ + struct mlme_priv *pmlmepriv = &padapter->mlmepriv; + struct ht_priv *phtpriv = &pmlmepriv->htpriv; + struct registry_priv *pregistrypriv = &padapter->registrypriv; + bool bHwLDPCSupport = false, bHwSTBCSupport = false; + bool bHwSupportBeamformer = false, bHwSupportBeamformee = false; + + if (pregistrypriv->wifi_spec) + phtpriv->bss_coexist = 1; + else + phtpriv->bss_coexist = 0; + + phtpriv->sgi_40m = TEST_FLAG(pregistrypriv->short_gi, BIT1) ? true : false; + phtpriv->sgi_20m = TEST_FLAG(pregistrypriv->short_gi, BIT0) ? true : false; + + /* LDPC support */ + rtw_hal_get_def_var(padapter, HAL_DEF_RX_LDPC, (u8 *)&bHwLDPCSupport); + CLEAR_FLAGS(phtpriv->ldpc_cap); + if (bHwLDPCSupport) { + if (TEST_FLAG(pregistrypriv->ldpc_cap, BIT4)) + SET_FLAG(phtpriv->ldpc_cap, LDPC_HT_ENABLE_RX); + } + rtw_hal_get_def_var(padapter, HAL_DEF_TX_LDPC, (u8 *)&bHwLDPCSupport); + if (bHwLDPCSupport) { + if (TEST_FLAG(pregistrypriv->ldpc_cap, BIT5)) + SET_FLAG(phtpriv->ldpc_cap, LDPC_HT_ENABLE_TX); + } + + /* STBC */ + rtw_hal_get_def_var(padapter, HAL_DEF_TX_STBC, (u8 *)&bHwSTBCSupport); + CLEAR_FLAGS(phtpriv->stbc_cap); + if (bHwSTBCSupport) { + if (TEST_FLAG(pregistrypriv->stbc_cap, BIT5)) + SET_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_TX); + } + rtw_hal_get_def_var(padapter, HAL_DEF_RX_STBC, (u8 *)&bHwSTBCSupport); + if (bHwSTBCSupport) { + if (TEST_FLAG(pregistrypriv->stbc_cap, BIT4)) + SET_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_RX); + } + + /* Beamforming setting */ + rtw_hal_get_def_var(padapter, HAL_DEF_EXPLICIT_BEAMFORMER, (u8 *)&bHwSupportBeamformer); + rtw_hal_get_def_var(padapter, HAL_DEF_EXPLICIT_BEAMFORMEE, (u8 *)&bHwSupportBeamformee); + CLEAR_FLAGS(phtpriv->beamform_cap); + if (TEST_FLAG(pregistrypriv->beamform_cap, BIT4) && bHwSupportBeamformer) + SET_FLAG(phtpriv->beamform_cap, BEAMFORMING_HT_BEAMFORMER_ENABLE); + + if (TEST_FLAG(pregistrypriv->beamform_cap, BIT5) && bHwSupportBeamformee) + SET_FLAG(phtpriv->beamform_cap, BEAMFORMING_HT_BEAMFORMEE_ENABLE); +} + +void rtw_build_wmm_ie_ht(struct adapter *padapter, u8 *out_ie, uint *pout_len) +{ + unsigned char WMM_IE[] = {0x00, 0x50, 0xf2, 0x02, 0x00, 0x01, 0x00}; + int out_len; + + if (padapter->mlmepriv.qospriv.qos_option == 0) { + out_len = *pout_len; + rtw_set_ie(out_ie+out_len, WLAN_EID_VENDOR_SPECIFIC, + _WMM_IE_Length_, WMM_IE, pout_len); + + padapter->mlmepriv.qospriv.qos_option = 1; + } +} + +/* the function is >= passive_level */ +unsigned int rtw_restructure_ht_ie(struct adapter *padapter, u8 *in_ie, u8 *out_ie, uint in_len, uint *pout_len, u8 channel) +{ + u32 ielen, out_len; + enum ieee80211_max_ampdu_length_exp max_rx_ampdu_factor; + unsigned char *p; + struct ieee80211_ht_cap ht_capie; + u8 cbw40_enable = 0, stbc_rx_enable = 0, operation_bw = 0; + struct registry_priv *pregistrypriv = &padapter->registrypriv; + struct mlme_priv *pmlmepriv = &padapter->mlmepriv; + struct ht_priv *phtpriv = &pmlmepriv->htpriv; + struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; + + phtpriv->ht_option = false; + + out_len = *pout_len; + + memset(&ht_capie, 0, sizeof(struct ieee80211_ht_cap)); + + ht_capie.cap_info = cpu_to_le16(IEEE80211_HT_CAP_DSSSCCK40); + + if (phtpriv->sgi_20m) + ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_SGI_20); + + /* Get HT BW */ + if (!in_ie) { + /* TDLS: TODO 20/40 issue */ + if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) { + operation_bw = padapter->mlmeextpriv.cur_bwmode; + if (operation_bw > CHANNEL_WIDTH_40) + operation_bw = CHANNEL_WIDTH_40; + } else + /* TDLS: TODO 40? */ + operation_bw = CHANNEL_WIDTH_40; + } else { + p = rtw_get_ie(in_ie, WLAN_EID_HT_OPERATION, &ielen, in_len); + if (p && (ielen == sizeof(struct ieee80211_ht_addt_info))) { + struct HT_info_element *pht_info = (struct HT_info_element *)(p+2); + + if (pht_info->infos[0] & BIT(2)) { + switch (pht_info->infos[0] & 0x3) { + case 1: + case 3: + operation_bw = CHANNEL_WIDTH_40; + break; + default: + operation_bw = CHANNEL_WIDTH_20; + break; + } + } else { + operation_bw = CHANNEL_WIDTH_20; + } + } + } + + /* to disable 40M Hz support while gd_bw_40MHz_en = 0 */ + if (channel > 14) { + if ((pregistrypriv->bw_mode & 0xf0) > 0) + cbw40_enable = 1; + } else { + if ((pregistrypriv->bw_mode & 0x0f) > 0) + cbw40_enable = 1; + } + + if ((cbw40_enable == 1) && (operation_bw == CHANNEL_WIDTH_40)) { + ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_SUP_WIDTH); + if (phtpriv->sgi_40m) + ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_SGI_40); + } + + if (TEST_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_TX)) + ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_TX_STBC); + + /* todo: disable SM power save mode */ + ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_SM_PS); + + if (TEST_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_RX)) { + if ((channel <= 14 && pregistrypriv->rx_stbc == 0x1) || /* enable for 2.4GHz */ + (pregistrypriv->wifi_spec == 1)) + stbc_rx_enable = 1; + } + + /* fill default supported_mcs_set */ + memcpy(&ht_capie.mcs, pmlmeext->default_supported_mcs_set, 16); + + /* update default supported_mcs_set */ + if (stbc_rx_enable) + ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_RX_STBC_1R);/* RX STBC One spatial stream */ + + set_mcs_rate_by_mask(ht_capie.mcs.rx_mask, MCS_RATE_1R); + + { + u32 rx_packet_offset, max_recvbuf_sz; + + rtw_hal_get_def_var(padapter, HAL_DEF_RX_PACKET_OFFSET, &rx_packet_offset); + rtw_hal_get_def_var(padapter, HAL_DEF_MAX_RECVBUF_SZ, &max_recvbuf_sz); + } + + if (padapter->driver_rx_ampdu_factor != 0xFF) + max_rx_ampdu_factor = + (enum ieee80211_max_ampdu_length_exp)padapter->driver_rx_ampdu_factor; + else + rtw_hal_get_def_var(padapter, HW_VAR_MAX_RX_AMPDU_FACTOR, + &max_rx_ampdu_factor); + + /* rtw_hal_get_def_var(padapter, HW_VAR_MAX_RX_AMPDU_FACTOR, &max_rx_ampdu_factor); */ + ht_capie.ampdu_params_info = (max_rx_ampdu_factor&0x03); + + if (padapter->securitypriv.dot11PrivacyAlgrthm == _AES_) + ht_capie.ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_DENSITY&(0x07<<2)); + else + ht_capie.ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_DENSITY&0x00); + + rtw_set_ie(out_ie+out_len, WLAN_EID_HT_CAPABILITY, + sizeof(struct ieee80211_ht_cap), (unsigned char *)&ht_capie, pout_len); + + phtpriv->ht_option = true; + + if (in_ie) { + p = rtw_get_ie(in_ie, WLAN_EID_HT_OPERATION, &ielen, in_len); + if (p && (ielen == sizeof(struct ieee80211_ht_addt_info))) { + out_len = *pout_len; + rtw_set_ie(out_ie+out_len, WLAN_EID_HT_OPERATION, ielen, p+2, pout_len); + } + } + + return phtpriv->ht_option; + +} + +/* the function is > passive_level (in critical_section) */ +void rtw_update_ht_cap(struct adapter *padapter, u8 *pie, uint ie_len, u8 channel) +{ + u8 *p, max_ampdu_sz; + int len; + /* struct sta_info *bmc_sta, *psta; */ + struct ieee80211_ht_cap *pht_capie; + /* struct recv_reorder_ctrl *preorder_ctrl; */ + struct mlme_priv *pmlmepriv = &padapter->mlmepriv; + struct ht_priv *phtpriv = &pmlmepriv->htpriv; + /* struct recv_priv *precvpriv = &padapter->recvpriv; */ + struct registry_priv *pregistrypriv = &padapter->registrypriv; + /* struct wlan_network *pcur_network = &(pmlmepriv->cur_network);; */ + struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; + struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); + u8 cbw40_enable = 0; + + if (!phtpriv->ht_option) + return; + + if ((!pmlmeinfo->HT_info_enable) || (!pmlmeinfo->HT_caps_enable)) + return; + + /* maybe needs check if ap supports rx ampdu. */ + if (!(phtpriv->ampdu_enable) && pregistrypriv->ampdu_enable == 1) { + phtpriv->ampdu_enable = true; + } + + /* check Max Rx A-MPDU Size */ + len = 0; + p = rtw_get_ie(pie+sizeof(struct ndis_802_11_fix_ie), WLAN_EID_HT_CAPABILITY, &len, ie_len-sizeof(struct ndis_802_11_fix_ie)); + if (p && len > 0) { + pht_capie = (struct ieee80211_ht_cap *)(p+2); + max_ampdu_sz = (pht_capie->ampdu_params_info & IEEE80211_HT_CAP_AMPDU_FACTOR); + max_ampdu_sz = 1 << (max_ampdu_sz+3); /* max_ampdu_sz (kbytes); */ + + phtpriv->rx_ampdu_maxlen = max_ampdu_sz; + + } + + len = 0; + p = rtw_get_ie(pie+sizeof(struct ndis_802_11_fix_ie), WLAN_EID_HT_OPERATION, &len, ie_len-sizeof(struct ndis_802_11_fix_ie)); + if (p && len > 0) { + /* todo: */ + } + + if (channel > 14) { + if ((pregistrypriv->bw_mode & 0xf0) > 0) + cbw40_enable = 1; + } else { + if ((pregistrypriv->bw_mode & 0x0f) > 0) + cbw40_enable = 1; + } + + /* update cur_bwmode & cur_ch_offset */ + if ((cbw40_enable) && + (le16_to_cpu(pmlmeinfo->HT_caps.u.HT_cap_element.HT_caps_info) & + BIT(1)) && (pmlmeinfo->HT_info.infos[0] & BIT(2))) { + int i; + + /* update the MCS set */ + for (i = 0; i < 16; i++) + pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate[i] &= pmlmeext->default_supported_mcs_set[i]; + + /* update the MCS rates */ + set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_1R); + + /* switch to the 40M Hz mode according to the AP */ + /* pmlmeext->cur_bwmode = CHANNEL_WIDTH_40; */ + switch ((pmlmeinfo->HT_info.infos[0] & 0x3)) { + case EXTCHNL_OFFSET_UPPER: + pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER; + break; + + case EXTCHNL_OFFSET_LOWER: + pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER; + break; + + default: + pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE; + break; + } + } + + /* */ + /* Config SM Power Save setting */ + /* */ + pmlmeinfo->SM_PS = + (le16_to_cpu(pmlmeinfo->HT_caps.u.HT_cap_element.HT_caps_info) & + 0x0C) >> 2; + + /* */ + /* Config current HT Protection mode. */ + /* */ + pmlmeinfo->HT_protection = pmlmeinfo->HT_info.infos[1] & 0x3; +} + +void rtw_issue_addbareq_cmd(struct adapter *padapter, struct xmit_frame *pxmitframe) +{ + u8 issued; + int priority; + struct sta_info *psta; + struct ht_priv *phtpriv; + struct pkt_attrib *pattrib = &pxmitframe->attrib; + s32 bmcst = is_multicast_ether_addr(pattrib->ra); + + /* if (bmcst || (padapter->mlmepriv.LinkDetectInfo.bTxBusyTraffic == false)) */ + if (bmcst || (padapter->mlmepriv.LinkDetectInfo.NumTxOkInPeriod < 100)) + return; + + priority = pattrib->priority; + + psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra); + if (pattrib->psta != psta) + return; + + if (!psta) + return; + + if (!(psta->state & _FW_LINKED)) + return; + + phtpriv = &psta->htpriv; + + if (phtpriv->ht_option && phtpriv->ampdu_enable) { + issued = (phtpriv->agg_enable_bitmap>>priority)&0x1; + issued |= (phtpriv->candidate_tid_bitmap>>priority)&0x1; + + if (issued == 0) { + psta->htpriv.candidate_tid_bitmap |= BIT((u8)priority); + rtw_addbareq_cmd(padapter, (u8) priority, pattrib->ra); + } + } + +} + +void rtw_append_exented_cap(struct adapter *padapter, u8 *out_ie, uint *pout_len) +{ + struct mlme_priv *pmlmepriv = &padapter->mlmepriv; + struct ht_priv *phtpriv = &pmlmepriv->htpriv; + u8 cap_content[8] = {0}; + + if (phtpriv->bss_coexist) + SET_EXT_CAPABILITY_ELE_BSS_COEXIST(cap_content, 1); + + rtw_set_ie(out_ie + *pout_len, WLAN_EID_EXT_CAPABILITY, 8, cap_content, pout_len); +} + +inline void rtw_set_to_roam(struct adapter *adapter, u8 to_roam) +{ + if (to_roam == 0) + adapter->mlmepriv.to_join = false; + adapter->mlmepriv.to_roam = to_roam; +} + +inline u8 rtw_dec_to_roam(struct adapter *adapter) +{ + adapter->mlmepriv.to_roam--; + return adapter->mlmepriv.to_roam; +} + +inline u8 rtw_to_roam(struct adapter *adapter) +{ + return adapter->mlmepriv.to_roam; +} + +void rtw_roaming(struct adapter *padapter, struct wlan_network *tgt_network) +{ + struct mlme_priv *pmlmepriv = &padapter->mlmepriv; + + spin_lock_bh(&pmlmepriv->lock); + _rtw_roaming(padapter, tgt_network); + spin_unlock_bh(&pmlmepriv->lock); +} +void _rtw_roaming(struct adapter *padapter, struct wlan_network *tgt_network) +{ + struct mlme_priv *pmlmepriv = &padapter->mlmepriv; + struct wlan_network *cur_network = &pmlmepriv->cur_network; + + if (rtw_to_roam(padapter) > 0) { + memcpy(&pmlmepriv->assoc_ssid, &cur_network->network.ssid, sizeof(struct ndis_802_11_ssid)); + + pmlmepriv->assoc_by_bssid = false; + + while (rtw_do_join(padapter) != _SUCCESS) { + rtw_dec_to_roam(padapter); + if (rtw_to_roam(padapter) <= 0) { + rtw_indicate_disconnect(padapter); + break; + } + } + } +} + +signed int rtw_linked_check(struct adapter *padapter) +{ + if ((check_fwstate(&padapter->mlmepriv, WIFI_AP_STATE) == true) || + (check_fwstate(&padapter->mlmepriv, WIFI_ADHOC_STATE|WIFI_ADHOC_MASTER_STATE) == true)) { + if (padapter->stapriv.asoc_sta_count > 2) + return true; + } else { /* Station mode */ + if (check_fwstate(&padapter->mlmepriv, _FW_LINKED) == true) + return true; + } + return false; +} |