diff options
Diffstat (limited to 'drivers/staging/rtl8723bs/core/rtw_mlme.c')
| -rw-r--r-- | drivers/staging/rtl8723bs/core/rtw_mlme.c | 3140 |
1 files changed, 3140 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 0000000..f9392b8 --- /dev/null +++ b/drivers/staging/rtl8723bs/core/rtw_mlme.c @@ -0,0 +1,3140 @@ +// SPDX-License-Identifier: GPL-2.0 +/****************************************************************************** + * + * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved. + * + ******************************************************************************/ +#define _RTW_MLME_C_ + +#include <linux/etherdevice.h> +#include <drv_types.h> +#include <rtw_debug.h> +#include <linux/jiffies.h> + +extern u8 rtw_do_join(struct adapter *padapter); + +sint _rtw_init_mlme_priv(struct adapter *padapter) +{ + sint i; + u8 *pbuf; + struct wlan_network *pnetwork; + struct mlme_priv *pmlmepriv = &padapter->mlmepriv; + sint 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.InfrastructureMode = Ndis802_11AutoUnknown; + pmlmepriv->scan_mode = SCAN_ACTIVE;/* 1: active, 0: pasive. Maybe someday we should rename this varable to "active_mode" (Jeff) */ + + spin_lock_init(&(pmlmepriv->lock)); + _rtw_init_queue(&(pmlmepriv->free_bss_pool)); + _rtw_init_queue(&(pmlmepriv->scanned_queue)); + + set_scanned_network_val(pmlmepriv, 0); + + memset(&pmlmepriv->assoc_ssid, 0, sizeof(struct ndis_802_11_ssid)); + + pbuf = vzalloc(array_size(MAX_BSS_CNT, sizeof(struct wlan_network))); + + if (pbuf == NULL) { + 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 + #ifdef CONFIG_LAYER2_ROAMING_ACTIVE /* FIXME */ + | RTW_ROAM_ACTIVE + #endif + ; + + 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); + if (pmlmepriv->free_bss_buf) { + 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 = LIST_CONTAINOR(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)/* _queue *free_queue) */ +{ + 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 = LIST_CONTAINOR(plist, struct wlan_network, list); + + list_del_init(&pnetwork->list); + + RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("_rtw_alloc_network: ptr =%p\n", plist)); + pnetwork->network_type = 0; + pnetwork->fixed = false; + pnetwork->last_scanned = jiffies; + pnetwork->aid = 0; + pnetwork->join_res = 0; + + pmlmepriv->num_of_scanned++; + +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 == NULL) + return; + + if (pnetwork->fixed == true) + 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)); + + pmlmepriv->num_of_scanned--; + + + /* DBG_871X("_rtw_free_network:SSID =%s\n", pnetwork->network.Ssid.Ssid); */ + + 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 == NULL) + return; + + if (pnetwork->fixed == true) + return; + + /* spin_lock_irqsave(&free_queue->lock, irqL); */ + + list_del_init(&(pnetwork->list)); + + list_add_tail(&(pnetwork->list), get_list_head(free_queue)); + + pmlmepriv->num_of_scanned--; + + /* 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; + u8 zero_addr[ETH_ALEN] = {0, 0, 0, 0, 0, 0}; + + if (!memcmp(zero_addr, addr, ETH_ALEN)) { + pnetwork = NULL; + goto exit; + } + + /* spin_lock_bh(&scanned_queue->lock); */ + + phead = get_list_head(scanned_queue); + plist = get_next(phead); + + while (plist != phead) { + pnetwork = LIST_CONTAINOR(plist, struct wlan_network, list); + + if (!memcmp(addr, pnetwork->network.MacAddress, ETH_ALEN)) + break; + + plist = get_next(plist); + } + + 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; + 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); + plist = get_next(phead); + + while (phead != plist) { + + pnetwork = LIST_CONTAINOR(plist, struct wlan_network, list); + + plist = get_next(plist); + + _rtw_free_network(pmlmepriv, pnetwork, isfreeall); + + } + + spin_unlock_bh(&scanned_queue->lock); +} + + + + +sint rtw_if_up(struct adapter *padapter) +{ + + sint res; + + if (padapter->bDriverStopped || padapter->bSurpriseRemoved || + (check_fwstate(&padapter->mlmepriv, _FW_LINKED) == false)) { + RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("rtw_if_up:bDriverStopped(%d) OR bSurpriseRemoved(%d)", padapter->bDriverStopped, padapter->bSurpriseRemoved)); + 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]; */ + return; +} + +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); +} + + +int rtw_init_mlme_priv(struct adapter *padapter)/* struct mlme_priv *pmlmepriv) */ +{ + int res; + + res = _rtw_init_mlme_priv(padapter);/* (pmlmepriv); */ + return res; +} + +void rtw_free_mlme_priv(struct mlme_priv *pmlmepriv) +{ + RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("rtw_free_mlme_priv\n")); + _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; +} +*/ + +struct wlan_network *rtw_alloc_network(struct mlme_priv *pmlmepriv); +struct wlan_network *rtw_alloc_network(struct mlme_priv *pmlmepriv)/* _queue *free_queue) */ +{ + struct wlan_network *pnetwork; + + pnetwork = _rtw_alloc_network(pmlmepriv); + 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) +{ + /* RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("rtw_free_network ==> ssid = %s\n\n" , pnetwork->network.Ssid.Ssid)); */ + _rtw_free_network_nolock(&(padapter->mlmepriv), pnetwork); + rtw_cfg80211_unlink_bss(padapter, pnetwork); +} + + +void rtw_free_network_queue(struct adapter *dev, u8 isfreeall) +{ + _rtw_free_network_queue(dev, isfreeall); +} + +/* + 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) +{ + /* RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("(%s,%d)(%s,%d)\n", */ + /* a->Ssid.Ssid, a->Ssid.SsidLength, b->Ssid.Ssid, b->Ssid.SsidLength)); */ + return (a->Ssid.SsidLength == b->Ssid.SsidLength) + && !memcmp(a->Ssid.Ssid, b->Ssid.Ssid, a->Ssid.SsidLength); +} + +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.SsidLength == dst->Ssid.SsidLength) && + /* (src->Configuration.DSConfig == dst->Configuration.DSConfig) && */ + ((!memcmp(src->MacAddress, dst->MacAddress, ETH_ALEN))) && + ((!memcmp(src->Ssid.Ssid, dst->Ssid.Ssid, src->Ssid.SsidLength))) && + ((s_cap & WLAN_CAPABILITY_IBSS) == + (d_cap & WLAN_CAPABILITY_IBSS)) && + ((s_cap & WLAN_CAPABILITY_BSS) == + (d_cap & WLAN_CAPABILITY_BSS))); + +} + +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); + plist = get_next(phead); + + while (plist != phead) { + found = LIST_CONTAINOR(plist, struct wlan_network, list); + + if (is_same_network(&network->network, &found->network, 0)) + break; + + plist = get_next(plist); + } + + 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); + + plist = get_next(phead); + + while (1) { + + if (phead == plist) + break; + + pwlan = LIST_CONTAINOR(plist, struct wlan_network, list); + + if (pwlan->fixed != true) { + if (oldest == NULL || time_after(oldest->last_scanned, pwlan->last_scanned)) + oldest = pwlan; + } + + plist = get_next(plist); + } + 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->PhyInfo.SignalQuality; + + u8 ss_final; + u8 sq_final; + long rssi_final; + + #if defined(DBG_RX_SIGNAL_DISPLAY_SSID_MONITORED) && 1 + if (strcmp(dst->Ssid.Ssid, DBG_RX_SIGNAL_DISPLAY_SSID_MONITORED) == 0) { + DBG_871X(FUNC_ADPT_FMT" %s("MAC_FMT", ch%u) ss_ori:%3u, sq_ori:%3u, rssi_ori:%3ld, ss_smp:%3u, sq_smp:%3u, rssi_smp:%3ld\n" + , FUNC_ADPT_ARG(padapter) + , src->Ssid.Ssid, MAC_ARG(src->MacAddress), src->Configuration.DSConfig + , ss_ori, sq_ori, rssi_ori + , ss_smp, sq_smp, rssi_smp + ); + } + #endif + + /* 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->PhyInfo.SignalStrength)+(u32)(dst->PhyInfo.SignalStrength)*4)/5; + sq_final = ((u32)(src->PhyInfo.SignalQuality)+(u32)(dst->PhyInfo.SignalQuality)*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->PhyInfo.SignalStrength; + sq_final = dst->PhyInfo.SignalQuality; + 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->PhyInfo.SignalStrength = ss_final; + dst->PhyInfo.SignalQuality = sq_final; + dst->Rssi = rssi_final; + + #if defined(DBG_RX_SIGNAL_DISPLAY_SSID_MONITORED) && 1 + if (strcmp(dst->Ssid.Ssid, DBG_RX_SIGNAL_DISPLAY_SSID_MONITORED) == 0) { + DBG_871X(FUNC_ADPT_FMT" %s("MAC_FMT"), SignalStrength:%u, SignalQuality:%u, RawRSSI:%ld\n" + , FUNC_ADPT_ARG(padapter) + , dst->Ssid.Ssid, MAC_ARG(dst->MacAddress), dst->PhyInfo.SignalStrength, dst->PhyInfo.SignalQuality, dst->Rssi); + } + #endif +} + +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))) { + /* RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,"Same Network\n"); */ + + /* if (pmlmepriv->cur_network.network.IELength<= pnetwork->IELength) */ + { + 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.IELength); + } + } +} + + +/* + +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); + plist = get_next(phead); + + while (1) { + if (phead == plist) + break; + + pnetwork = LIST_CONTAINOR(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 netowrk in the same ess as oldest if it's new enough*/ + } + + if (oldest == NULL || time_after(oldest->last_scanned, pnetwork->last_scanned)) + oldest = pnetwork; + + plist = get_next(plist); + + } + + + /* 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 == NULL) { + RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n\n\nsomething wrong here\n\n\n")); + 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.PhyInfo.SignalQuality == 101) + pnetwork->network.PhyInfo.SignalQuality = 0; + } else { + /* Otherwise just pull from the free list */ + + pnetwork = rtw_alloc_network(pmlmepriv); /* will update scan_time */ + + if (pnetwork == NULL) { + RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n\n\nsomething wrong here\n\n\n")); + 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.PhyInfo.SignalQuality == 101) + pnetwork->network.PhyInfo.SignalQuality = 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.IELength > target->IELength) && (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.IELength-_FIXED_IE_LENGTH_, NULL, &wps_ielen) != NULL) + 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_, _RSN_IE_2_, &ie_len, (pnetwork->network.IELength - _BEACON_IE_OFFSET_)); + if (p && ie_len > 0) { + bselected = true; + } else { + bselected = false; + } + } + } + + + if ((desired_encmode != Ndis802_11EncryptionDisabled) && (privacy == 0)) { + DBG_871X("desired_encmode: %d, privacy: %d\n", desired_encmode, privacy); + bselected = false; + } + + if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true) { + if (pnetwork->network.InfrastructureMode != pmlmepriv->cur_network.network.InfrastructureMode) + bselected = false; + } + + + return bselected; +} + +/* TODO: Perry : For Power Management */ +void rtw_atimdone_event_callback(struct adapter *adapter, u8 *pbuf) +{ + RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("receive atimdone_evet\n")); +} + + +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; + + RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("rtw_survey_event_callback, ssid =%s\n", pnetwork->Ssid.Ssid)); + + len = get_wlan_bssid_ex_sz(pnetwork); + if (len > (sizeof(struct wlan_bssid_ex))) { + RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n ****rtw_survey_event_callback: return a wrong bss ***\n")); + return; + } + + + spin_lock_bh(&pmlmepriv->lock); + + /* update IBSS_network 's timestamp */ + if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) == true) { + /* RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,"rtw_survey_event_callback : WIFI_ADHOC_MASTER_STATE\n\n"); */ + if (!memcmp(&(pmlmepriv->cur_network.network.MacAddress), pnetwork->MacAddress, 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->MacAddress); + 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.SsidLength = 0; + } + rtw_add_network(adapter, pnetwork); + } + +exit: + + spin_unlock_bh(&pmlmepriv->lock); + + return; +} + + + +void rtw_surveydone_event_callback(struct adapter *adapter, u8 *pbuf) +{ + u8 timer_cancelled = false; + 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; + } + + RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("rtw_surveydone_event_callback: fw_state:%x\n\n", get_fwstate(pmlmepriv))); + + if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY)) { + /* u8 timer_cancelled; */ + + timer_cancelled = true; + /* _cancel_timer(&pmlmepriv->scan_to_timer, &timer_cancelled); */ + + _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY); + } else { + + RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("nic status =%x, survey done event comes too late!\n", get_fwstate(pmlmepriv))); + } + spin_unlock_bh(&pmlmepriv->lock); + + if (timer_cancelled) + _cancel_timer(&pmlmepriv->scan_to_timer, &timer_cancelled); + + + spin_lock_bh(&pmlmepriv->lock); + + rtw_set_signal_stat_timer(&adapter->recvpriv); + + if (pmlmepriv->to_join == true) { + 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{ + struct wlan_bssid_ex *pdev_network = &(adapter->registrypriv.dev_network); + u8 *pibss = adapter->registrypriv.dev_network.MacAddress; + + /* pmlmepriv->fw_state ^= _FW_UNDER_SURVEY;because don't set assoc_timer */ + _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY); + + RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("switching to adhoc master\n")); + + 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; + + if (rtw_createbss_cmd(adapter) != _SUCCESS) { + RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Error =>rtw_createbss_cmd status FAIL\n")); + } + + pmlmepriv->to_join = false; + } + } + } 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 (_SUCCESS == s_ret) { + _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{ + DBG_871X("try_to_join, but select scanning queue fail, to_roam:%d\n", rtw_to_roam(adapter)); + + 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); +#ifdef CONFIG_INTEL_WIDI + if (adapter->mlmepriv.widi_state == INTEL_WIDI_STATE_ROAMING) { + memset(pmlmepriv->sa_ext, 0x00, L2SDTA_SERVICE_VE_LEN); + intel_widi_wk_cmd(adapter, INTEL_WIDI_LISTEN_WK, NULL, 0); + DBG_871X("change to widi listen\n"); + } +#endif /* CONFIG_INTEL_WIDI */ + 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.MacAddress + , WLAN_REASON_ACTIVE_ROAM); + } + } + } + } + + /* DBG_871X("scan complete in %dms\n", jiffies_to_msecs(jiffies - pmlmepriv->scan_start_time)); */ + + 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; + + RT_TRACE(_module_rtl871x_mlme_c_, _drv_notice_, ("+free_scanqueue\n")); + 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; + pmlmepriv->num_of_scanned--; + } + + 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.MacAddress); + if (pwlan) + pwlan->fixed = false; + else + RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("rtw_free_assoc_resources : pwlan == NULL\n\n")); + + + 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 sta_priv *pstapriv = &adapter->stapriv; + struct dvobj_priv *psdpriv = adapter->dvobj; + struct debug_priv *pdbgpriv = &psdpriv->drv_dbg; + + RT_TRACE(_module_rtl871x_mlme_c_, _drv_notice_, ("+rtw_free_assoc_resources\n")); + RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("tgt_network->network.MacAddress ="MAC_FMT" ssid =%s\n", + MAC_ARG(tgt_network->network.MacAddress), tgt_network->network.Ssid.Ssid)); + + if (check_fwstate(pmlmepriv, WIFI_STATION_STATE|WIFI_AP_STATE)) { + struct sta_info *psta; + + psta = rtw_get_stainfo(&adapter->stapriv, tgt_network->network.MacAddress); + spin_lock_bh(&(pstapriv->sta_hash_lock)); + rtw_free_stainfo(adapter, psta); + + spin_unlock_bh(&(pstapriv->sta_hash_lock)); + + } + + 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; + + RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("+rtw_indicate_connect\n")); + + 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); +#ifdef CONFIG_INTEL_WIDI + if (padapter->mlmepriv.widi_state == INTEL_WIDI_STATE_ROAMING) { + memset(pmlmepriv->sa_ext, 0x00, L2SDTA_SERVICE_VE_LEN); + intel_widi_wk_cmd(padapter, INTEL_WIDI_LISTEN_WK, NULL, 0); + DBG_871X("change to widi listen\n"); + } +#endif /* CONFIG_INTEL_WIDI */ + + rtw_set_scan_deny(padapter, 3000); + + RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("-rtw_indicate_connect: fw_state = 0x%08x\n", get_fwstate(pmlmepriv))); +} + +/* +*rtw_indicate_disconnect: the caller has to lock pmlmepriv->lock +*/ +void rtw_indicate_disconnect(struct adapter *padapter) +{ + struct mlme_priv *pmlmepriv = &padapter->mlmepriv; + + RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("+rtw_indicate_disconnect\n")); + + _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING|WIFI_UNDER_WPS); + + /* DBG_871X("clear wps when %s\n", __func__); */ + + 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) +{ + DBG_871X(FUNC_ADPT_FMT"\n", FUNC_ADPT_ARG(padapter)); + + 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))) { + struct pwrctrl_priv *pwrpriv; + + pwrpriv = adapter_to_pwrctl(padapter); + 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; + + DBG_871X(FUNC_NDEV_FMT"fw_state = _FW_UNDER_SURVEY!\n", FUNC_NDEV_ARG(adapter->pnetdev)); + msleep(20); + } + + if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY)) { + if (!adapter->bDriverStopped && !adapter->bSurpriseRemoved) + DBG_871X(FUNC_NDEV_FMT"waiting for scan_abort time out!\n", FUNC_NDEV_ARG(adapter->pnetdev)); + 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.MacAddress); + if (psta == NULL) { + psta = rtw_alloc_stainfo(pstapriv, pnetwork->network.MacAddress); + } + + if (psta) { /* update ptarget_sta */ + + DBG_871X("%s\n", __func__); + + psta->aid = pnetwork->join_res; + + update_sta_info(padapter, psta); + + /* update station supportRate */ + psta->bssratelen = rtw_get_rateset_len(pnetwork->network.SupportedRates); + memcpy(psta->bssrateset, pnetwork->network.SupportedRates, psta->bssratelen); + rtw_hal_update_sta_rate_mask(padapter, psta); + + psta->wireless_mode = pmlmeext->cur_wireless_mode; + psta->raid = rtw_hal_networktype_to_raid(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; + #ifdef DBG_RX_SEQ + DBG_871X("DBG_RX_SEQ %s:%d indicate_seq:%u\n", __func__, __LINE__, + preorder_ctrl->indicate_seq); + #endif + 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; + #ifdef DBG_RX_SEQ + DBG_871X("DBG_RX_SEQ %s:%d indicate_seq:%u\n", __func__, __LINE__, + preorder_ctrl->indicate_seq); + #endif + 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); + + DBG_871X("%s\n", __func__); + + RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("\nfw_state:%x, BSSID:"MAC_FMT"\n" + , get_fwstate(pmlmepriv), MAC_ARG(pnetwork->network.MacAddress))); + + + /* 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.IELength = ptarget_wlan->network.IELength; + 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.PhyInfo.SignalStrength; + padapter->recvpriv.signal_qual = ptarget_wlan->network.PhyInfo.SignalQuality; + /* the ptarget_wlan->network.Rssi is raw data, we use ptarget_wlan->network.PhyInfo.SignalStrength instead (has scaled) */ + padapter->recvpriv.rssi = translate_percentage_to_dbm(ptarget_wlan->network.PhyInfo.SignalStrength); + #if defined(DBG_RX_SIGNAL_DISPLAY_PROCESSING) && 1 + DBG_871X(FUNC_ADPT_FMT" signal_strength:%3u, rssi:%3d, signal_qual:%3u" + "\n" + , FUNC_ADPT_ARG(padapter) + , padapter->recvpriv.signal_strength + , padapter->recvpriv.rssi + , padapter->recvpriv.signal_qual + ); + #endif + + rtw_set_signal_stat_timer(&padapter->recvpriv); + + /* update fw_state will clr _FW_UNDER_LINKING here indirectly */ + switch (pnetwork->network.InfrastructureMode) { + 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; + RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Invalid network_mode\n")); + break; + } + + rtw_update_protection(padapter, (cur_network->network.IEs) + sizeof(struct ndis_802_11_fix_ie), + (cur_network->network.IELength)); + + rtw_update_ht_cap(padapter, cur_network->network.IEs, cur_network->network.IELength, (u8) cur_network->network.Configuration.DSConfig); +} + +/* 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 retry; + u8 timer_cancelled; + 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; + + RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("joinbss event call back received with res =%d\n", pnetwork->join_res)); + + rtw_get_encrypt_decrypt_from_registrypriv(adapter); + + + if (pmlmepriv->assoc_ssid.SsidLength == 0) { + RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("@@@@@ joinbss event call back for Any SSid\n")); + } else{ + RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("@@@@@ rtw_joinbss_event_callback for SSid:%s\n", pmlmepriv->assoc_ssid.Ssid)); + } + + the_same_macaddr = !memcmp(pnetwork->network.MacAddress, cur_network->network.MacAddress, ETH_ALEN); + + pnetwork->network.Length = get_wlan_bssid_ex_sz(&pnetwork->network); + if (pnetwork->network.Length > sizeof(struct wlan_bssid_ex)) { + RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n\n ***joinbss_evt_callback return a wrong bss ***\n\n")); + return; + } + + spin_lock_bh(&pmlmepriv->lock); + + pmlmepriv->LinkDetectInfo.TrafficTransitionCount = 0; + pmlmepriv->LinkDetectInfo.LowPowerTransitionCount = 0; + + RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("\n rtw_joinbss_event_callback !! spin_lock_irqsave\n")); + + 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 == true) { + ptarget_wlan = rtw_find_network(&pmlmepriv->scanned_queue, cur_network->network.MacAddress); + } else{ + pcur_wlan = rtw_find_network(&pmlmepriv->scanned_queue, cur_network->network.MacAddress); + if (pcur_wlan) + pcur_wlan->fixed = false; + + pcur_sta = rtw_get_stainfo(pstapriv, cur_network->network.MacAddress); + if (pcur_sta) + rtw_free_stainfo(adapter, pcur_sta); + + ptarget_wlan = rtw_find_network(&pmlmepriv->scanned_queue, pnetwork->network.MacAddress); + 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{ + DBG_871X_LEVEL(_drv_always_, "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 == NULL) { + RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Can't update stainfo when joinbss_event callback\n")); + 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); + } else{ + /* adhoc mode will rtw_indicate_connect when rtw_stassoc_event_callback */ + RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("adhoc mode, fw_state:%x", get_fwstate(pmlmepriv))); + } + + + /* s5. Cancel assoc_timer */ + _cancel_timer(&pmlmepriv->assoc_timer, &timer_cancelled); + + RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("Cancel assoc_timer\n")); + + } else{ + RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("rtw_joinbss_event_callback err: fw_state:%x", get_fwstate(pmlmepriv))); + spin_unlock_bh(&(pmlmepriv->scanned_queue.lock)); + goto ignore_joinbss_callback; + } + + 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) { + RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("fail! clear _FW_UNDER_LINKING ^^^fw_state =%x\n", get_fwstate(pmlmepriv))); + _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); + RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("rtw_select_and_join_from_scanned_queue again! res:%d\n", res)); + } + + 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{ + RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Set Assoc_Timer = 1; can't find match ssid in scanned_q\n")); + #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 == NULL) + 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); + +#ifndef CONFIG_AUTO_AP_MODE + + ap_sta_info_defer_update(adapter, psta); + + /* report to upper layer */ + DBG_871X("indicate_sta_assoc_event to upper layer - hostapd\n"); + 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); + } +#endif /* CONFIG_AUTO_AP_MODE */ + } + return; + } + + /* for AD-HOC mode */ + psta = rtw_get_stainfo(&adapter->stapriv, pstassoc->macaddr); + if (psta != NULL) { + /* the sta have been in sta_info_queue => do nothing */ + + RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Error: rtw_stassoc_event_callback: sta has been in sta_hash_queue\n")); + + 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 == NULL) { + RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Can't alloc sta_info when rtw_stassoc_event_callback\n")); + return; + } + + /* to do : init sta_info variable */ + psta->qos_option = 0; + psta->mac_id = (uint)pstassoc->cam_id; + /* psta->aid = (uint)pstassoc->cam_id; */ + DBG_871X("%s\n", __func__); + /* 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.MacAddress); + 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; + + DBG_871X("%s(mac_id =%d) =" MAC_FMT "\n", __func__, mac_id, MAC_ARG(pstadel->macaddr)); + + 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; + } +#ifdef CONFIG_INTEL_WIDI + else if (adapter->mlmepriv.widi_state == INTEL_WIDI_STATE_CONNECTED) { + roam = true; + } +#endif /* CONFIG_INTEL_WIDI */ + + if (roam == true) { + 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.MacAddress); + if (pwlan) { + pwlan->fixed = false; + rtw_free_network_nolock(adapter, pwlan); + } + spin_unlock_bh(&(pmlmepriv->scanned_queue.lock)); + +#ifdef CONFIG_INTEL_WIDI + if (!rtw_to_roam(adapter)) + process_intel_widi_disconnect(adapter, 1); +#endif /* CONFIG_INTEL_WIDI */ + + _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) */ + /* 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.MacAddress); + 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.MacAddress; + + 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); + } + + if (rtw_createbss_cmd(adapter) != _SUCCESS) { + + RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_err_, ("***Error =>stadel_event_callback: rtw_createbss_cmd status FAIL***\n ")); + + } + + + } + + } + + spin_unlock_bh(&pmlmepriv->lock); +} + +void rtw_cpwm_event_callback(struct adapter *padapter, u8 *pbuf) +{ + struct reportpwrstate_parm *preportpwrstate; + + RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("+rtw_cpwm_event_callback !!!\n")); + 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; + + DBG_871X("%s, fw_state =%x\n", __func__, get_fwstate(pmlmepriv)); + + 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; + DBG_871X("%s try another roaming\n", __func__); + do_join_r = rtw_do_join(adapter); + if (_SUCCESS != do_join_r) { + DBG_871X("%s roaming do_join return %d\n", __func__, do_join_r); + continue; + } + break; + } else { +#ifdef CONFIG_INTEL_WIDI + if (adapter->mlmepriv.widi_state == INTEL_WIDI_STATE_ROAMING) { + memset(pmlmepriv->sa_ext, 0x00, L2SDTA_SERVICE_VE_LEN); + intel_widi_wk_cmd(adapter, INTEL_WIDI_LISTEN_WK, NULL, 0); + DBG_871X("change to widi listen\n"); + } +#endif /* CONFIG_INTEL_WIDI */ + DBG_871X("%s We've try roaming but fail\n", __func__); + 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; + + DBG_871X(FUNC_ADPT_FMT" fw_state =%x\n", FUNC_ADPT_ARG(adapter), get_fwstate(pmlmepriv)); + + 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 */ + + return; +} + +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) { + DBG_871X(FUNC_ADPT_FMT" _FW_UNDER_SURVEY|_FW_UNDER_LINKING\n", FUNC_ADPT_ARG(padapter)); + goto exit; + } + + if (pmlmepriv->LinkDetectInfo.bBusyTraffic == true) { + DBG_871X(FUNC_ADPT_FMT" exit BusyTraffic\n", FUNC_ADPT_ARG(padapter)); + goto exit; + } + } + + DBG_871X(FUNC_ADPT_FMT"\n", FUNC_ADPT_ARG(padapter)); + + 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 == false) + return; + + if ((adapter->bDriverStopped == true) || (adapter->bSurpriseRemoved == true)) + return; + + if (adapter->net_closed == true) + return; + + if (is_primary_adapter(adapter)) + DBG_871X("IsBtDisabled =%d, IsBtControlLps =%d\n", rtw_btcoex_IsBtDisabled(adapter), rtw_btcoex_IsBtControlLps(adapter)); + + if ((adapter_to_pwrctl(adapter)->bFwCurrentInPSMode == true) + && (rtw_btcoex_IsBtControlLps(adapter) == false) + ) { + 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); + + DBG_871X(FUNC_ADPT_FMT"\n", FUNC_ADPT_ARG(adapter)); +} + +void rtw_set_scan_deny_timer_hdl(struct adapter *adapter) +{ + rtw_clear_scan_deny(adapter); +} + +void rtw_set_scan_deny(struct adapter *adapter, u32 ms) +{ + struct mlme_priv *mlmepriv = &adapter->mlmepriv; + + DBG_871X(FUNC_ADPT_FMT"\n", FUNC_ADPT_ARG(adapter)); + 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; + + DBG_871X("roam candidate:%s %s("MAC_FMT", ch%3u) rssi:%d, age:%5d\n", + (competitor == mlme->cur_network_scanned)?"*":" ", + competitor->network.Ssid.Ssid, + MAC_ARG(competitor->network.MacAddress), + competitor->network.Configuration.DSConfig, + (int)competitor->network.Rssi, + jiffies_to_msecs(jiffies - competitor->last_scanned) + ); + + /* got specific addr to roam */ + if (!is_zero_mac_addr(mlme->roam_tgt_addr)) { + if (!memcmp(mlme->roam_tgt_addr, competitor->network.MacAddress, 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 != NULL && (*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 adapter *adapter; + struct __queue *queue = &(mlme->scanned_queue); + struct wlan_network *pnetwork = NULL; + struct wlan_network *candidate = NULL; + + if (mlme->cur_network_scanned == NULL) { + rtw_warn_on(1); + return ret; + } + + spin_lock_bh(&(mlme->scanned_queue.lock)); + phead = get_list_head(queue); + adapter = (struct adapter *)mlme->nic_hdl; + + mlme->pscanned = get_next(phead); + + while (phead != mlme->pscanned) { + + pnetwork = LIST_CONTAINOR(mlme->pscanned, struct wlan_network, list); + if (pnetwork == NULL) { + RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("%s return _FAIL:(pnetwork == NULL)\n", __func__)); + ret = _FAIL; + goto exit; + } + + mlme->pscanned = get_next(mlme->pscanned); + + DBG_871X("%s("MAC_FMT", ch%u) rssi:%d\n" + , pnetwork->network.Ssid.Ssid + , MAC_ARG(pnetwork->network.MacAddress) + , pnetwork->network.Configuration.DSConfig + , (int)pnetwork->network.Rssi); + + rtw_check_roaming_candidate(mlme, &candidate, pnetwork); + + } + + if (candidate == NULL) { + DBG_871X("%s: return _FAIL(candidate == NULL)\n", __func__); + ret = _FAIL; + goto exit; + } else { + DBG_871X("%s: candidate: %s("MAC_FMT", ch:%u)\n", __func__, + candidate->network.Ssid.Ssid, MAC_ARG(candidate->network.MacAddress), + candidate->network.Configuration.DSConfig); + + mlme->roam_network = candidate; + + if (!memcmp(candidate->network.MacAddress, 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 == true) { + if (memcmp(competitor->network.MacAddress, mlme->assoc_bssid, ETH_ALEN)) + goto exit; + } + + /* check ssid, if needed */ + if (mlme->assoc_ssid.Ssid[0] && mlme->assoc_ssid.SsidLength) { + if (competitor->network.Ssid.SsidLength != mlme->assoc_ssid.SsidLength + || memcmp(competitor->network.Ssid.Ssid, mlme->assoc_ssid.Ssid, mlme->assoc_ssid.SsidLength) + ) + 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 == NULL || (*candidate)->network.Rssi < competitor->network.Rssi) { + *candidate = competitor; + updated = true; + } + + if (updated) { + DBG_871X("[by_bssid:%u][assoc_ssid:%s]" + "[to_roam:%u] " + "new candidate: %s("MAC_FMT", ch%u) rssi:%d\n", + mlme->assoc_by_bssid, + mlme->assoc_ssid.Ssid, + rtw_to_roam(adapter), + (*candidate)->network.Ssid.Ssid, + MAC_ARG((*candidate)->network.MacAddress), + (*candidate)->network.Configuration.DSConfig, + (int)(*candidate)->network.Rssi + ); + } + +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); + pmlmepriv->pscanned = get_next(phead); + + while (phead != pmlmepriv->pscanned) { + + pnetwork = LIST_CONTAINOR(pmlmepriv->pscanned, struct wlan_network, list); + if (pnetwork == NULL) { + RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("%s return _FAIL:(pnetwork == NULL)\n", __func__)); + ret = _FAIL; + goto exit; + } + + pmlmepriv->pscanned = get_next(pmlmepriv->pscanned); + + DBG_871X("%s("MAC_FMT", ch%u) rssi:%d\n" + , pnetwork->network.Ssid.Ssid + , MAC_ARG(pnetwork->network.MacAddress) + , pnetwork->network.Configuration.DSConfig + , (int)pnetwork->network.Rssi); + + rtw_check_join_candidate(pmlmepriv, &candidate, pnetwork); + + } + + if (candidate == NULL) { + DBG_871X("%s: return _FAIL(candidate == NULL)\n", __func__); +#ifdef CONFIG_WOWLAN + _clr_fwstate_(pmlmepriv, _FW_LINKED|_FW_UNDER_LINKING); +#endif + ret = _FAIL; + goto exit; + } else { + DBG_871X("%s: candidate: %s("MAC_FMT", ch:%u)\n", __func__, + candidate->network.Ssid.Ssid, MAC_ARG(candidate->network.MacAddress), + candidate->network.Configuration.DSConfig); + goto candidate_exist; + } + +candidate_exist: + + /* check for situation of _FW_LINKED */ + if (check_fwstate(pmlmepriv, _FW_LINKED) == true) { + DBG_871X("%s: _FW_LINKED while ask_for_joinbss!!!\n", __func__); + + 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; +} + +sint rtw_set_auth(struct adapter *adapter, struct security_priv *psecuritypriv) +{ + struct cmd_obj *pcmd; + struct setauth_parm *psetauthparm; + struct cmd_priv *pcmdpriv = &(adapter->cmdpriv); + sint res = _SUCCESS; + + pcmd = rtw_zmalloc(sizeof(struct cmd_obj)); + if (pcmd == NULL) { + res = _FAIL; /* try again */ + goto exit; + } + + psetauthparm = rtw_zmalloc(sizeof(struct setauth_parm)); + if (psetauthparm == NULL) { + kfree((unsigned char *)pcmd); + res = _FAIL; + goto exit; + } + + memset(psetauthparm, 0, sizeof(struct setauth_parm)); + 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); + + RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("after enqueue set_auth_cmd, auth_mode =%x\n", psecuritypriv->dot11AuthAlgrthm)); + + res = rtw_enqueue_cmd(pcmdpriv, pcmd); + +exit: + return res; +} + +sint rtw_set_key(struct adapter *adapter, struct security_priv *psecuritypriv, sint keyid, u8 set_tx, bool enqueue) +{ + u8 keylen; + struct cmd_obj *pcmd; + struct setkey_parm *psetkeyparm; + struct cmd_priv *pcmdpriv = &(adapter->cmdpriv); + sint res = _SUCCESS; + + psetkeyparm = rtw_zmalloc(sizeof(struct setkey_parm)); + if (psetkeyparm == NULL) { + res = _FAIL; + goto exit; + } + memset(psetkeyparm, 0, sizeof(struct setkey_parm)); + + if (psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) { + psetkeyparm->algorithm = (unsigned char)psecuritypriv->dot118021XGrpPrivacy; + RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n rtw_set_key: psetkeyparm->algorithm =(unsigned char)psecuritypriv->dot118021XGrpPrivacy =%d\n", psetkeyparm->algorithm)); + } else { + psetkeyparm->algorithm = (u8)psecuritypriv->dot11PrivacyAlgrthm; + RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n rtw_set_key: psetkeyparm->algorithm =(u8)psecuritypriv->dot11PrivacyAlgrthm =%d\n", psetkeyparm->algorithm)); + + } + psetkeyparm->keyid = (u8)keyid;/* 0~3 */ + psetkeyparm->set_tx = set_tx; + if (is_wep_enc(psetkeyparm->algorithm)) + adapter->securitypriv.key_mask |= BIT(psetkeyparm->keyid); + + DBG_871X("==> rtw_set_key algorithm(%x), keyid(%x), key_mask(%x)\n", psetkeyparm->algorithm, psetkeyparm->keyid, adapter->securitypriv.key_mask); + RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n rtw_set_key: psetkeyparm->algorithm =%d psetkeyparm->keyid =(u8)keyid =%d\n", psetkeyparm->algorithm, 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: + RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n rtw_set_key:psecuritypriv->dot11PrivacyAlgrthm = %x (must be 1 or 2 or 4 or 5)\n", psecuritypriv->dot11PrivacyAlgrthm)); + res = _FAIL; + kfree((unsigned char *)psetkeyparm); + goto exit; + } + + + if (enqueue) { + pcmd = rtw_zmalloc(sizeof(struct cmd_obj)); + if (pcmd == NULL) { + kfree((unsigned char *)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); + + /* sema_init(&(pcmd->cmd_sem), 0); */ + + res = rtw_enqueue_cmd(pcmdpriv, pcmd); + } else{ + setkey_hdl(adapter, (u8 *)psetkeyparm); + kfree((u8 *) 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 *psecuritypriv = &Adapter->securitypriv; + int i = 0; + + do { + if ((psecuritypriv->PMKIDList[i].bUsed) && + (!memcmp(psecuritypriv->PMKIDList[i].Bssid, bssid, ETH_ALEN))) { + break; + } else{ + i++; + /* continue; */ + } + + } while (i < NUM_PMKID_CACHE); + + if (i == NUM_PMKID_CACHE) { + i = -1;/* Could not find. */ + } else { + /* There is one Pre-Authentication Key for the specific BSSID. */ + } + + return i; + +} + +/* */ +/* 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; +} + +sint 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; + + RT_TRACE(_module_rtl871x_mlme_c_, _drv_notice_, + ("+rtw_restruct_sec_ie: ndisauthmode =%d\n", ndisauthmode)); + + /* copy fixed ie only */ + memcpy(out_ie, in_ie, 12); + ielength = 12; + if ((ndisauthmode == Ndis802_11AuthModeWPA) || (ndisauthmode == Ndis802_11AuthModeWPAPSK)) + authmode = _WPA_IE_ID_; + if ((ndisauthmode == Ndis802_11AuthModeWPA2) || (ndisauthmode == Ndis802_11AuthModeWPA2PSK)) + authmode = _WPA2_IE_ID_; + + 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 == _WPA_IE_ID_) || (authmode == _WPA2_IE_ID_)) { + /* 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 == _WPA2_IE_ID_) + 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->MacAddress, 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.BeaconPeriod = 100; + pdev_network->Configuration.FHConfig.Length = 0; + pdev_network->Configuration.FHConfig.HopPattern = 0; + pdev_network->Configuration.FHConfig.HopSet = 0; + pdev_network->Configuration.FHConfig.DwellTime = 0; +} + +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->NetworkTypeInUse = (Ndis802_11DS); + break; + case WIRELESS_11G: + case WIRELESS_11BG: + case WIRELESS_11_24N: + case WIRELESS_11G_24N: + case WIRELESS_11BG_24N: + pdev_network->NetworkTypeInUse = (Ndis802_11OFDM24); + break; + case WIRELESS_11A: + case WIRELESS_11A_5N: + pdev_network->NetworkTypeInUse = (Ndis802_11OFDM5); + break; + case WIRELESS_11ABGN: + if (pregistrypriv->channel > 14) + pdev_network->NetworkTypeInUse = (Ndis802_11OFDM5); + else + pdev_network->NetworkTypeInUse = (Ndis802_11OFDM24); + break; + default: + /* TODO */ + break; + } + + pdev_network->Configuration.DSConfig = (pregistrypriv->channel); + RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("pregistrypriv->channel =%d, pdev_network->Configuration.DSConfig = 0x%x\n", pregistrypriv->channel, pdev_network->Configuration.DSConfig)); + + if (cur_network->network.InfrastructureMode == Ndis802_11IBSS) + pdev_network->Configuration.ATIMWindow = (0); + + pdev_network->InfrastructureMode = (cur_network->network.InfrastructureMode); + + /* 1. Supported rates */ + /* 2. IE */ + + /* rtw_set_supported_rate(pdev_network->SupportedRates, pregistrypriv->wireless_mode) ; will be called in rtw_generate_ie */ + sz = rtw_generate_ie(pregistrypriv); + + pdev_network->IELength = sz; + + pdev_network->Length = get_wlan_bssid_ex_sz((struct wlan_bssid_ex *)pdev_network); + + /* notes: translate IELength & Length after assign the Length to cmdsz in createbss_cmd(); */ + /* pdev_network->IELength = 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); + } + if (phtpriv->ldpc_cap) + DBG_871X("[HT] Support LDPC = 0x%02X\n", phtpriv->ldpc_cap); + + /* 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); + } + if (phtpriv->stbc_cap) + DBG_871X("[HT] Support STBC = 0x%02X\n", phtpriv->stbc_cap); + + /* 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); + DBG_871X("[HT] Support Beamformer\n"); + } + if (TEST_FLAG(pregistrypriv->beamform_cap, BIT5) && bHwSupportBeamformee) { + SET_FLAG(phtpriv->beamform_cap, BEAMFORMING_HT_BEAMFORMEE_ENABLE); + DBG_871X("[HT] Support Beamformee\n"); + } +} + +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; + u8 *pframe; + + if (padapter->mlmepriv.qospriv.qos_option == 0) { + out_len = *pout_len; + pframe = rtw_set_ie(out_ie+out_len, _VENDOR_SPECIFIC_IE_, + _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 HT_CAP_AMPDU_FACTOR max_rx_ampdu_factor; + unsigned char *p, *pframe; + struct rtw_ieee80211_ht_cap ht_capie; + u8 cbw40_enable = 0, stbc_rx_enable = 0, rf_type = 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 rtw_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 == NULL) { + /* 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, _HT_ADD_INFO_IE_, &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; + DBG_871X("declare supporting RX STBC\n"); + } + } + + /* fill default supported_mcs_set */ + memcpy(ht_capie.supp_mcs_set, pmlmeext->default_supported_mcs_set, 16); + + /* update default supported_mcs_set */ + rtw_hal_get_hwreg(padapter, HW_VAR_RF_TYPE, (u8 *)(&rf_type)); + + switch (rf_type) { + case RF_1T1R: + 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.supp_mcs_set, MCS_RATE_1R); + break; + + case RF_2T2R: + case RF_1T2R: + default: + if (stbc_rx_enable) + ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_RX_STBC_2R);/* RX STBC two spatial stream */ + + #ifdef CONFIG_DISABLE_MCS13TO15 + if (((cbw40_enable == 1) && (operation_bw == CHANNEL_WIDTH_40)) && (pregistrypriv->wifi_spec != 1)) + set_mcs_rate_by_mask(ht_capie.supp_mcs_set, MCS_RATE_2R_13TO15_OFF); + else + set_mcs_rate_by_mask(ht_capie.supp_mcs_set, MCS_RATE_2R); + #else /* CONFIG_DISABLE_MCS13TO15 */ + set_mcs_rate_by_mask(ht_capie.supp_mcs_set, MCS_RATE_2R); + #endif /* CONFIG_DISABLE_MCS13TO15 */ + break; + } + + { + 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 HT_CAP_AMPDU_FACTOR)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); + + pframe = rtw_set_ie(out_ie+out_len, _HT_CAPABILITY_IE_, + sizeof(struct rtw_ieee80211_ht_cap), (unsigned char *)&ht_capie, pout_len); + + phtpriv->ht_option = true; + + if (in_ie != NULL) { + p = rtw_get_ie(in_ie, _HT_ADD_INFO_IE_, &ielen, in_len); + if (p && (ielen == sizeof(struct ieee80211_ht_addt_info))) { + out_len = *pout_len; + pframe = rtw_set_ie(out_ie+out_len, _HT_ADD_INFO_IE_, 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 rtw_ieee80211_ht_cap *pht_capie; + struct ieee80211_ht_addt_info *pht_addtinfo; + /* 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; + + DBG_871X("+rtw_update_ht_cap()\n"); + + /* maybe needs check if ap supports rx ampdu. */ + if ((phtpriv->ampdu_enable == false) && (pregistrypriv->ampdu_enable == 1)) { + if (pregistrypriv->wifi_spec == 1) { + /* remove this part because testbed AP should disable RX AMPDU */ + /* phtpriv->ampdu_enable = false; */ + phtpriv->ampdu_enable = true; + } else { + phtpriv->ampdu_enable = true; + } + } else if (pregistrypriv->ampdu_enable == 2) { + /* remove this part because testbed AP should disable RX AMPDU */ + /* phtpriv->ampdu_enable = true; */ + } + + + /* check Max Rx A-MPDU Size */ + len = 0; + p = rtw_get_ie(pie+sizeof(struct ndis_802_11_fix_ie), _HT_CAPABILITY_IE_, &len, ie_len-sizeof(struct ndis_802_11_fix_ie)); + if (p && len > 0) { + pht_capie = (struct rtw_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); */ + + /* DBG_871X("rtw_update_ht_cap(): max_ampdu_sz =%d\n", max_ampdu_sz); */ + phtpriv->rx_ampdu_maxlen = max_ampdu_sz; + + } + + + len = 0; + p = rtw_get_ie(pie+sizeof(struct ndis_802_11_fix_ie), _HT_ADD_INFO_IE_, &len, ie_len-sizeof(struct ndis_802_11_fix_ie)); + if (p && len > 0) { + pht_addtinfo = (struct ieee80211_ht_addt_info *)(p+2); + /* 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; + u8 rf_type; + + rtw_hal_get_hwreg(padapter, HW_VAR_RF_TYPE, (u8 *)(&rf_type)); + + /* 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 */ + switch (rf_type) { + case RF_1T1R: + case RF_1T2R: + set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_1R); + break; + case RF_2T2R: + default: +#ifdef CONFIG_DISABLE_MCS13TO15 + if (pmlmeext->cur_bwmode == CHANNEL_WIDTH_40 && pregistrypriv->wifi_spec != 1) + set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_2R_13TO15_OFF); + else + set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_2R); +#else /* CONFIG_DISABLE_MCS13TO15 */ + set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_2R); +#endif /* CONFIG_DISABLE_MCS13TO15 */ + } + + /* 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; + if (pmlmeinfo->SM_PS == WLAN_HT_CAP_SM_PS_STATIC) + DBG_871X("%s(): WLAN_HT_CAP_SM_PS_STATIC\n", __func__); + + /* */ + /* 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 = NULL; + struct ht_priv *phtpriv; + struct pkt_attrib *pattrib = &pxmitframe->attrib; + s32 bmcst = IS_MCAST(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) { + DBG_871X("%s, pattrib->psta(%p) != psta(%p)\n", __func__, pattrib->psta, psta); + return; + } + + if (psta == NULL) { + DBG_871X("%s, psta ==NUL\n", __func__); + return; + } + + if (!(psta->state & _FW_LINKED)) { + DBG_871X("%s, psta->state(0x%x) != _FW_LINKED\n", __func__, psta->state); + return; + } + + + phtpriv = &psta->htpriv; + + if ((phtpriv->ht_option == true) && (phtpriv->ampdu_enable == true)) { + issued = (phtpriv->agg_enable_bitmap>>priority)&0x1; + issued |= (phtpriv->candidate_tid_bitmap>>priority)&0x1; + + if (0 == issued) { + DBG_871X("rtw_issue_addbareq_cmd, p =%d\n", priority); + 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}; + u8 *pframe; + + + if (phtpriv->bss_coexist) { + SET_EXT_CAPABILITY_ELE_BSS_COEXIST(cap_content, 1); + } + + pframe = rtw_set_ie(out_ie + *pout_len, EID_EXTCapability, 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; + int do_join_r; + + if (0 < rtw_to_roam(padapter)) { + DBG_871X("roaming from %s("MAC_FMT"), length:%d\n", + cur_network->network.Ssid.Ssid, MAC_ARG(cur_network->network.MacAddress), + cur_network->network.Ssid.SsidLength); + memcpy(&pmlmepriv->assoc_ssid, &cur_network->network.Ssid, sizeof(struct ndis_802_11_ssid)); + + pmlmepriv->assoc_by_bssid = false; + + while (1) { + do_join_r = rtw_do_join(padapter); + if (_SUCCESS == do_join_r) { + break; + } else { + DBG_871X("roaming do_join return %d\n", do_join_r); + rtw_dec_to_roam(padapter); + + if (rtw_to_roam(padapter) > 0) { + continue; + } else { + DBG_871X("%s(%d) -to roaming fail, indicate_disconnect\n", __func__, __LINE__); + rtw_indicate_disconnect(padapter); + break; + } + } + } + } + +} + +sint 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; +} |