diff options
Diffstat (limited to 'drivers/staging/r8188eu/core/rtw_mlme.c')
| -rw-r--r-- | drivers/staging/r8188eu/core/rtw_mlme.c | 2067 |
1 files changed, 0 insertions, 2067 deletions
diff --git a/drivers/staging/r8188eu/core/rtw_mlme.c b/drivers/staging/r8188eu/core/rtw_mlme.c deleted file mode 100644 index fb7d0e161fdd..000000000000 --- a/drivers/staging/r8188eu/core/rtw_mlme.c +++ /dev/null @@ -1,2067 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* Copyright(c) 2007 - 2011 Realtek Corporation. */ - -#define _RTW_MLME_C_ - -#include "../include/osdep_service.h" -#include "../include/drv_types.h" -#include "../include/hal_intf.h" -#include "../include/sta_info.h" -#include "../include/wifi.h" -#include "../include/wlan_bssdef.h" -#include "../include/rtw_ioctl_set.h" -#include "../include/usb_osintf.h" -#include "../include/rtl8188e_dm.h" - -extern unsigned char MCS_rate_1R[16]; - -void rtw_set_roaming(struct adapter *adapter, u8 to_roaming) -{ - if (to_roaming == 0) - adapter->mlmepriv.to_join = false; - adapter->mlmepriv.to_roaming = to_roaming; -} - -u8 rtw_to_roaming(struct adapter *adapter) -{ - return adapter->mlmepriv.to_roaming; -} - -static void rtw_free_mlme_ie_data(u8 **ppie, u32 *plen) -{ - kfree(*ppie); - *plen = 0; - *ppie = NULL; -} - -void rtw_free_mlme_priv_ie_data(struct mlme_priv *pmlmepriv) -{ - kfree(pmlmepriv->assoc_req); - 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_network(struct mlme_priv *pmlmepriv, struct wlan_network *pnetwork, u8 isfreeall) -{ - u32 curr_time, delta_time; - u32 lifetime = SCANQUEUE_LIFETIME; - struct __queue *free_queue = &pmlmepriv->free_bss_pool; - - if (!pnetwork) - return; - - if (pnetwork->fixed) - return; - curr_time = jiffies; - if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) || - (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE))) - lifetime = 1; - if (!isfreeall) { - delta_time = (curr_time - pnetwork->last_scanned) / HZ; - if (delta_time < lifetime)/* unit:sec */ - return; - } - spin_lock_bh(&free_queue->lock); - list_del_init(&pnetwork->list); - list_add_tail(&pnetwork->list, &free_queue->queue); - pmlmepriv->num_of_scanned--; - spin_unlock_bh(&free_queue->lock); -} - -/* - 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; - } - phead = get_list_head(scanned_queue); - plist = phead->next; - - while (plist != phead) { - pnetwork = container_of(plist, struct wlan_network, list); - if (!memcmp(addr, pnetwork->network.MacAddress, ETH_ALEN)) - break; - plist = plist->next; - } - if (plist == phead) - pnetwork = NULL; -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 = phead->next; - - while (phead != plist) { - pnetwork = container_of(plist, struct wlan_network, list); - - plist = plist->next; - - _rtw_free_network(pmlmepriv, pnetwork, isfreeall); - } - spin_unlock_bh(&scanned_queue->lock); - -} - -int rtw_if_up(struct adapter *padapter) -{ - int res; - - if (padapter->bDriverStopped || padapter->bSurpriseRemoved || - !check_fwstate(&padapter->mlmepriv, _FW_LINKED)) - res = false; - else - res = true; - - return res; -} - -void rtw_generate_random_ibss(u8 *pibss) -{ - u32 curtime = jiffies; - - pibss[0] = 0x02; /* in ad-hoc mode bit1 must set to 1 */ - pibss[1] = 0x11; - pibss[2] = 0x87; - pibss[3] = (u8)(curtime & 0xff);/* p[0]; */ - pibss[4] = (u8)((curtime >> 8) & 0xff);/* p[1]; */ - pibss[5] = (u8)((curtime >> 16) & 0xff);/* p[2]; */ -} - -u8 *rtw_get_capability_from_ie(u8 *ie) -{ - return ie + 8 + 2; -} - -u16 rtw_get_capability(struct wlan_bssid_ex *bss) -{ - __le16 val; - - memcpy((u8 *)&val, rtw_get_capability_from_ie(bss->IEs), 2); - - return le16_to_cpu(val); -} - -u8 *rtw_get_beacon_interval_from_ie(u8 *ie) -{ - return ie + 8; -} - -static void rtw_join_timeout_handler(struct timer_list *t) -{ - struct adapter *adapter = from_timer(adapter, t, mlmepriv.assoc_timer); - - _rtw_join_timeout_handler(adapter); -} - -static void _rtw_scan_timeout_handler(struct timer_list *t) -{ - struct adapter *adapter = from_timer(adapter, t, mlmepriv.scan_to_timer); - - rtw_scan_timeout_handler(adapter); -} - -static void _dynamic_check_timer_handlder(struct timer_list *t) -{ - struct adapter *adapter = from_timer(adapter, t, mlmepriv.dynamic_chk_timer); - - rtw_dynamic_check_timer_handlder(adapter); - _set_timer(&adapter->mlmepriv.dynamic_chk_timer, 2000); -} - -static void rtw_init_mlme_timer(struct adapter *padapter) -{ - struct mlme_priv *pmlmepriv = &padapter->mlmepriv; - - timer_setup(&pmlmepriv->assoc_timer, rtw_join_timeout_handler, 0); - timer_setup(&pmlmepriv->scan_to_timer, _rtw_scan_timeout_handler, 0); - timer_setup(&pmlmepriv->dynamic_chk_timer, _dynamic_check_timer_handlder, 0); -} - -int rtw_init_mlme_priv(struct adapter *padapter)/* struct mlme_priv *pmlmepriv) */ -{ - int i; - u8 *pbuf; - struct wlan_network *pnetwork; - struct mlme_priv *pmlmepriv = &padapter->mlmepriv; - - /* We don't need to memset padapter->XXX to zero, because adapter is allocated by vzalloc(). */ - - pmlmepriv->nic_hdl = (u8 *)padapter; - - pmlmepriv->pscanned = NULL; - pmlmepriv->fw_state = 0; - 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(MAX_BSS_CNT * (sizeof(struct wlan_network))); - - if (!pbuf) - return -ENOMEM; - - 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_init_mlme_timer(padapter); - - return 0; -} - -void rtw_free_mlme_priv(struct mlme_priv *pmlmepriv) -{ - rtw_free_mlme_priv_ie_data(pmlmepriv); - vfree(pmlmepriv->free_bss_buf); -} - -struct wlan_network *rtw_alloc_network(struct mlme_priv *pmlmepriv) -{ - struct wlan_network *pnetwork; - struct __queue *free_queue = &pmlmepriv->free_bss_pool; - struct list_head *plist = NULL; - - spin_lock_bh(&free_queue->lock); - - if (list_empty(&free_queue->queue)) { - pnetwork = NULL; - goto exit; - } - plist = (&free_queue->queue)->next; - - pnetwork = container_of(plist, struct wlan_network, list); - - list_del_init(&pnetwork->list); - - pnetwork->network_type = 0; - pnetwork->fixed = false; - pnetwork->last_scanned = jiffies; - pnetwork->aid = 0; - pnetwork->join_res = 0; - - pmlmepriv->num_of_scanned++; - -exit: - spin_unlock_bh(&free_queue->lock); - - return pnetwork; -} - -static void rtw_free_network_nolock(struct mlme_priv *pmlmepriv, - struct wlan_network *pnetwork) -{ - struct __queue *free_queue = &pmlmepriv->free_bss_pool; - - if (!pnetwork) - return; - if (pnetwork->fixed) - return; - list_del_init(&pnetwork->list); - list_add_tail(&pnetwork->list, get_list_head(free_queue)); - pmlmepriv->num_of_scanned--; -} - -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; -} - -static int is_same_ess(struct wlan_bssid_ex *a, struct wlan_bssid_ex *b) -{ - 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) -{ - u16 s_cap, d_cap; - __le16 le_scap, le_dcap; - - memcpy((u8 *)&le_scap, rtw_get_capability_from_ie(src->IEs), 2); - memcpy((u8 *)&le_dcap, rtw_get_capability_from_ie(dst->IEs), 2); - - s_cap = le16_to_cpu(le_scap); - d_cap = le16_to_cpu(le_dcap); - - return ((src->Ssid.SsidLength == dst->Ssid.SsidLength) && - ((!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_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 = phead->next; - - while (1) { - if (phead == plist) - break; - - pwlan = container_of(plist, struct wlan_network, list); - - if (!pwlan->fixed) { - if (!oldest || time_after(oldest->last_scanned, pwlan->last_scanned)) - oldest = pwlan; - } - - plist = plist->next; - } - - 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; - - AntDivCompare8188E(padapter, dst, src); /* this will update src.Rssi, need consider again */ - - /* 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)) { - /* 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 = dst->Rssi; //(src->Rssi+dst->Rssi*4)/5; - else - rssi_final = rssi_ori; - } else { -// if (sq_smp != 101) { /* from the right channel */ - ss_final = (u32)dst->PhyInfo.SignalStrength; //((u32)(src->PhyInfo.SignalStrength)+(u32)(dst->PhyInfo.SignalStrength)*4)/5; - sq_final = (u32)dst->PhyInfo.SignalQuality; //((u32)(src->PhyInfo.SignalQuality)+(u32)(dst->PhyInfo.SignalQuality)*4)/5; - rssi_final = dst->Rssi; //(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; - -} - -static void update_current_network(struct adapter *adapter, struct wlan_bssid_ex *pnetwork) -{ - struct mlme_priv *pmlmepriv = &adapter->mlmepriv; - - if (check_fwstate(pmlmepriv, _FW_LINKED) && - is_same_network(&pmlmepriv->cur_network.network, pnetwork)) { - update_network(&pmlmepriv->cur_network.network, pnetwork, adapter, true); - } - -} - -u8 rtw_current_antenna(struct adapter *adapter) -{ - struct hal_data_8188e *haldata = &adapter->haldata; - - return haldata->CurAntenna; -} - -/* -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; - - spin_lock_bh(&queue->lock); - phead = get_list_head(queue); - plist = phead->next; - - while (phead != plist) { - pnetwork = container_of(plist, struct wlan_network, list); - - if (is_same_network(&pnetwork->network, target)) - break; - if ((oldest == ((struct wlan_network *)0)) || - time_after(oldest->last_scanned, pnetwork->last_scanned)) - oldest = pnetwork; - plist = plist->next; - } - /* If we didn't find a match, then get a new network slot to initialize - * with this beacon's information */ - if (phead == plist) { - if (list_empty(&pmlmepriv->free_bss_pool.queue)) { - /* If there are no more slots, expire the oldest */ - pnetwork = oldest; - - target->PhyInfo.Optimum_antenna = rtw_current_antenna(adapter); - - 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) - goto exit; - - bssid_ex_sz = get_wlan_bssid_ex_sz(target); - target->Length = bssid_ex_sz; - target->PhyInfo.Optimum_antenna = rtw_current_antenna(adapter); - 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. */ - /* 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); - -} - -static void rtw_add_network(struct adapter *adapter, - struct wlan_bssid_ex *pnetwork) -{ - - rtw_wlan_bssid_ex_remove_p2p_attr(pnetwork, P2P_ATTR_GROUP_INFO); - update_current_network(adapter, pnetwork); - rtw_update_scanned_network(adapter, pnetwork); - -} - -/* 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 */ -static bool 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)) - 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)) - bselected = false; - - if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) { - if (pnetwork->network.InfrastructureMode != pmlmepriv->cur_network.network.InfrastructureMode) - bselected = false; - } - - return bselected; -} - -void rtw_survey_event_callback(struct adapter *adapter, u8 *pbuf) -{ - u32 len; - struct wlan_bssid_ex *pnetwork; - struct mlme_priv *pmlmepriv = &adapter->mlmepriv; - - pnetwork = (struct wlan_bssid_ex *)pbuf; - - len = get_wlan_bssid_ex_sz(pnetwork); - if (len > (sizeof(struct wlan_bssid_ex))) - return; - spin_lock_bh(&pmlmepriv->lock); - - /* update IBSS_network 's timestamp */ - if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) { - 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)) { - if (pnetwork->Ssid.Ssid[0] == 0) - pnetwork->Ssid.SsidLength = 0; - rtw_add_network(adapter, pnetwork); - } - -exit: - - spin_unlock_bh(&pmlmepriv->lock); -} - -static void rtw_xmit_schedule(struct adapter *padapter) -{ - struct xmit_priv *pxmitpriv; - - if (!padapter) - return; - - pxmitpriv = &padapter->xmitpriv; - - spin_lock_bh(&pxmitpriv->lock); - - if (rtw_txframes_pending(padapter)) - tasklet_hi_schedule(&pxmitpriv->xmit_tasklet); - - spin_unlock_bh(&pxmitpriv->lock); -} - -void rtw_surveydone_event_callback(struct adapter *adapter, u8 *pbuf) -{ - struct mlme_priv *pmlmepriv = &adapter->mlmepriv; - - spin_lock_bh(&pmlmepriv->lock); - - if (pmlmepriv->wps_probe_req_ie) { - pmlmepriv->wps_probe_req_ie_len = 0; - kfree(pmlmepriv->wps_probe_req_ie); - pmlmepriv->wps_probe_req_ie = NULL; - } - - if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY)) - _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY); - - spin_unlock_bh(&pmlmepriv->lock); - - del_timer_sync(&pmlmepriv->scan_to_timer); - - spin_lock_bh(&pmlmepriv->lock); - rtw_set_signal_stat_timer(&adapter->recvpriv); - - if (pmlmepriv->to_join) { - if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) { - if (!check_fwstate(pmlmepriv, _FW_LINKED)) { - 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; - - _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY); - - memcpy(&pdev_network->Ssid, &pmlmepriv->assoc_ssid, sizeof(struct ndis_802_11_ssid)); - - rtw_update_registrypriv_dev_network(adapter); - rtw_generate_random_ibss(pibss); - - pmlmepriv->fw_state = WIFI_ADHOC_MASTER_STATE; - - rtw_createbss_cmd(adapter); - 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 (s_ret == _SUCCESS) { - _set_timer(&pmlmepriv->assoc_timer, MAX_JOIN_TIMEOUT); - } else { - if (rtw_to_roaming(adapter) != 0) { - if (--pmlmepriv->to_roaming == 0 || - rtw_sitesurvey_cmd(adapter, &pmlmepriv->assoc_ssid, 1) != _SUCCESS) { - rtw_set_roaming(adapter, 0); - rtw_free_assoc_resources(adapter, 1); - rtw_indicate_disconnect(adapter); - } else { - pmlmepriv->to_join = true; - } - } else { - rtw_indicate_disconnect(adapter); - } - _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING); - } - } - } - - indicate_wx_scan_complete_event(adapter); - - spin_unlock_bh(&pmlmepriv->lock); - - if (check_fwstate(pmlmepriv, _FW_LINKED)) - p2p_ps_wk_cmd(adapter, P2P_PS_SCAN_DONE, 0); - - rtw_xmit_schedule(adapter); -} - -static void free_scanqueue(struct mlme_priv *pmlmepriv) -{ - struct __queue *free_queue = &pmlmepriv->free_bss_pool; - struct __queue *scan_queue = &pmlmepriv->scanned_queue; - struct list_head *plist, *phead, *ptemp; - - spin_lock_bh(&scan_queue->lock); - spin_lock_bh(&free_queue->lock); - - phead = get_list_head(scan_queue); - plist = phead->next; - - while (plist != phead) { - ptemp = plist->next; - 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); -} - -/* -*rtw_free_assoc_resources: the caller has to lock pmlmepriv->lock -*/ -void rtw_free_assoc_resources(struct adapter *adapter, int lock_scanned_queue) -{ - struct wlan_network *pwlan = NULL; - struct mlme_priv *pmlmepriv = &adapter->mlmepriv; - struct sta_priv *pstapriv = &adapter->stapriv; - struct wlan_network *tgt_network = &pmlmepriv->cur_network; - - 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); - spin_lock_bh(&pstapriv->sta_hash_lock); - rtw_free_stainfo(adapter, psta); - spin_unlock_bh(&pstapriv->sta_hash_lock); - - rtw_init_bcmc_stainfo(adapter); - } - - if (lock_scanned_queue) - spin_lock_bh(&pmlmepriv->scanned_queue.lock); - - pwlan = rtw_find_network(&pmlmepriv->scanned_queue, tgt_network->network.MacAddress); - if (pwlan) - pwlan->fixed = false; - - if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) && (adapter->stapriv.asoc_sta_count == 1))) - rtw_free_network_nolock(pmlmepriv, pwlan); - - if (lock_scanned_queue) - spin_unlock_bh(&pmlmepriv->scanned_queue.lock); - pmlmepriv->key_mask = 0; - -} - -static struct rt_pmkid_list backup_pmkid[NUM_PMKID_CACHE]; - -static void rtw_reset_securitypriv(struct adapter *adapter) -{ - u8 backup_index; - u8 backup_counter; - u32 backup_time; - - if (adapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) { - /* 802.1x */ - /* We have to backup the PMK information for WiFi PMK Caching test item. */ - /* Backup the btkip_countermeasure information. */ - /* When the countermeasure is trigger, the driver have to disconnect with AP for 60 seconds. */ - memcpy(&backup_pmkid[0], &adapter->securitypriv.PMKIDList[0], sizeof(struct rt_pmkid_list) * NUM_PMKID_CACHE); - backup_index = adapter->securitypriv.PMKIDIndex; - backup_counter = adapter->securitypriv.btkip_countermeasure; - backup_time = adapter->securitypriv.btkip_countermeasure_time; - memset((unsigned char *)&adapter->securitypriv, 0, sizeof(struct security_priv)); - - /* Restore the PMK information to securitypriv structure for the following connection. */ - memcpy(&adapter->securitypriv.PMKIDList[0], - &backup_pmkid[0], - sizeof(struct rt_pmkid_list) * NUM_PMKID_CACHE); - adapter->securitypriv.PMKIDIndex = backup_index; - adapter->securitypriv.btkip_countermeasure = backup_counter; - adapter->securitypriv.btkip_countermeasure_time = backup_time; - adapter->securitypriv.ndisauthtype = Ndis802_11AuthModeOpen; - adapter->securitypriv.ndisencryptstatus = Ndis802_11WEPDisabled; - } else { - /* reset values in securitypriv */ - struct security_priv *psec_priv = &adapter->securitypriv; - - psec_priv->dot11AuthAlgrthm = dot11AuthAlgrthm_Open; /* open system */ - psec_priv->dot11PrivacyAlgrthm = _NO_PRIVACY_; - psec_priv->dot11PrivacyKeyIndex = 0; - psec_priv->dot118021XGrpPrivacy = _NO_PRIVACY_; - psec_priv->dot118021XGrpKeyid = 1; - psec_priv->ndisauthtype = Ndis802_11AuthModeOpen; - psec_priv->ndisencryptstatus = Ndis802_11WEPDisabled; - } -} - -/* -*rtw_indicate_connect: the caller has to lock pmlmepriv->lock -*/ -void rtw_indicate_connect(struct adapter *padapter) -{ - struct mlme_priv *pmlmepriv = &padapter->mlmepriv; - - pmlmepriv->to_join = false; - - if (!check_fwstate(&padapter->mlmepriv, _FW_LINKED)) { - set_fwstate(pmlmepriv, _FW_LINKED); - - rtw_led_control(padapter, LED_CTL_LINK); - - rtw_indicate_wx_assoc_event(padapter); - netif_carrier_on(padapter->pnetdev); - if (padapter->pid[2] != 0) - rtw_signal_process(padapter->pid[2], SIGALRM); - } - - pmlmepriv->to_roaming = 0; -} - -/* -*rtw_indicate_disconnect: the caller has to lock pmlmepriv->lock -*/ -void rtw_indicate_disconnect(struct adapter *padapter) -{ - struct mlme_priv *pmlmepriv = &padapter->mlmepriv; - - _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING | WIFI_UNDER_WPS); - - if (pmlmepriv->to_roaming > 0) - _clr_fwstate_(pmlmepriv, _FW_LINKED); - - if (check_fwstate(&padapter->mlmepriv, _FW_LINKED) || - (pmlmepriv->to_roaming <= 0)) { - /* Do it first for tx broadcast pkt after disconnection issue! */ - netif_carrier_off(padapter->pnetdev); - - rtw_indicate_wx_disassoc_event(padapter); - rtw_reset_securitypriv(padapter); - - _clr_fwstate_(pmlmepriv, _FW_LINKED); - rtw_led_control(padapter, LED_CTL_NO_LINK); - } - p2p_ps_wk_cmd(padapter, P2P_PS_DISABLE, 1); - - rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_DISCONNECT, 1); - -} - -inline void rtw_indicate_scan_done(struct adapter *padapter) -{ - indicate_wx_scan_complete_event(padapter); -} - -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; - - psta = rtw_get_stainfo(pstapriv, pnetwork->network.MacAddress); - if (!psta) - psta = rtw_alloc_stainfo(pstapriv, pnetwork->network.MacAddress); - - if (psta) { /* update ptarget_sta */ - psta->aid = pnetwork->join_res; - psta->mac_id = 0; - /* sta mode */ - rtl8188e_SetHalODMVar(padapter, 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)); - memset((u8 *)&psta->dot11rxpn, 0, sizeof(union pn48)); - } - /* When doing the WPS, the wps_ie_len won't equal to 0 */ - /* And the Wi-Fi driver shouldn't allow the data packet to be transmitted. */ - if (padapter->securitypriv.wps_ie_len != 0) { - psta->ieee8021x_blocked = true; - padapter->securitypriv.wps_ie_len = 0; - } - /* for A-MPDU Rx reordering buffer control for bmc_sta & sta_info */ - /* if A-MPDU Rx is enabled, resetting rx_ordering_ctrl wstart_b(indicate_seq) to default value = 0xffff */ - /* todo: check if AP can send A-MPDU packets */ - for (i = 0; i < 16; i++) { - /* preorder_ctrl = &precvpriv->recvreorder_ctrl[i]; */ - preorder_ctrl = &psta->recvreorder_ctrl[i]; - preorder_ctrl->enable = false; - preorder_ctrl->indicate_seq = 0xffff; - preorder_ctrl->wend_b = 0xffff; - preorder_ctrl->wsize_b = 64;/* max_ampdu_sz; ex. 32(kbytes) -> wsize_b = 32 */ - } - bmc_sta = rtw_get_bcmc_stainfo(padapter); - if (bmc_sta) { - for (i = 0; i < 16; i++) { - /* preorder_ctrl = &precvpriv->recvreorder_ctrl[i]; */ - preorder_ctrl = &bmc_sta->recvreorder_ctrl[i]; - preorder_ctrl->enable = false; - preorder_ctrl->indicate_seq = 0xffff; - preorder_ctrl->wend_b = 0xffff; - preorder_ctrl->wsize_b = 64;/* max_ampdu_sz; ex. 32(kbytes) -> wsize_b = 32 */ - } - } - /* misc. */ - update_sta_info(padapter, psta); - } - return psta; -} - -/* pnetwork: returns from rtw_joinbss_event_callback */ -/* ptarget_wlan: found from scanned_queue */ -static void rtw_joinbss_update_network(struct adapter *padapter, struct wlan_network *ptarget_wlan, struct wlan_network *pnetwork) -{ - struct mlme_priv *pmlmepriv = &padapter->mlmepriv; - struct wlan_network *cur_network = &pmlmepriv->cur_network; - - /* why not use ptarget_wlan?? */ - memcpy(&cur_network->network, &pnetwork->network, pnetwork->network.Length); - /* some IEs in pnetwork is wrong, so we should use ptarget_wlan IEs */ - cur_network->network.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); - 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; - break; - } - - rtw_update_ht_cap(padapter, cur_network->network.IEs, cur_network->network.IELength); -} - -/* 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). */ - -void rtw_joinbss_event_prehandle(struct adapter *adapter, u8 *pbuf) -{ - 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; - - 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)) - return; - - spin_lock_bh(&pmlmepriv->lock); - - if (pnetwork->join_res > 0) { - spin_lock_bh(&pmlmepriv->scanned_queue.lock); - if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) { - /* s1. find ptarget_wlan */ - if (check_fwstate(pmlmepriv, _FW_LINKED)) { - if (the_same_macaddr) { - ptarget_wlan = rtw_find_network(&pmlmepriv->scanned_queue, cur_network->network.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) { - spin_lock_bh(&pstapriv->sta_hash_lock); - rtw_free_stainfo(adapter, pcur_sta); - spin_unlock_bh(&pstapriv->sta_hash_lock); - } - - ptarget_wlan = rtw_find_network(&pmlmepriv->scanned_queue, pnetwork->network.MacAddress); - if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) { - if (ptarget_wlan) - ptarget_wlan->fixed = true; - } - } - } else { - ptarget_wlan = rtw_find_network(&pmlmepriv->scanned_queue, pnetwork->network.MacAddress); - if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) { - if (ptarget_wlan) - ptarget_wlan->fixed = true; - } - } - - /* s2. update cur_network */ - if (ptarget_wlan) { - rtw_joinbss_update_network(adapter, ptarget_wlan, pnetwork); - } else { - 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)) { - ptarget_sta = rtw_joinbss_update_stainfo(adapter, pnetwork); - if (!ptarget_sta) { - spin_unlock_bh(&pmlmepriv->scanned_queue.lock); - goto ignore_joinbss_callback; - } - } - - /* s4. indicate connect */ - if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) { - pmlmepriv->cur_network_scanned = ptarget_wlan; - rtw_indicate_connect(adapter); - } - - spin_unlock_bh(&pmlmepriv->lock); - /* s5. Cancel assoc_timer */ - del_timer_sync(&pmlmepriv->assoc_timer); - spin_lock_bh(&pmlmepriv->lock); - } else { - spin_unlock_bh(&pmlmepriv->scanned_queue.lock); - 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); - - if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) - _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING); - } else { /* if join_res < 0 (join fails), then try again */ - _set_timer(&pmlmepriv->assoc_timer, 1); - _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING); - } - -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_xmit_schedule(adapter); -} - -void rtw_set_max_rpt_macid(struct adapter *adapter, u8 macid) -{ - rtw_write8(adapter, REG_TX_RPT_CTRL + 1, macid + 1); -} - -static u8 search_max_mac_id(struct adapter *padapter) -{ - u8 mac_id; - u8 aid; - struct mlme_priv *pmlmepriv = &padapter->mlmepriv; - struct sta_priv *pstapriv = &padapter->stapriv; - struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; - struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info; - - if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) { - for (aid = (pstapriv->max_num_sta); aid > 0; aid--) { - if (pstapriv->sta_aid[aid - 1]) - break; - } - mac_id = aid + 1; - } else { - /* adhoc id = 31~2 */ - for (mac_id = (NUM_STA - 1); mac_id >= IBSS_START_MAC_ID; mac_id--) { - if (pmlmeinfo->FW_sta_info[mac_id].status == 1) - break; - } - } - return mac_id; -} - -/* FOR AP , AD-HOC mode */ -void rtw_sta_media_status_rpt(struct adapter *adapter, struct sta_info *psta, - u32 mstatus) -{ - u16 media_status_rpt; - u8 macid; - - if (!psta) - return; - - macid = search_max_mac_id(adapter); - rtw_set_max_rpt_macid(adapter, macid); - - /* MACID|OPMODE:1 connect */ - media_status_rpt = (u16)((psta->mac_id << 8) | mstatus); - rtl8188e_set_FwMediaStatus_cmd(adapter, 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)) - return; - - if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) { - psta = rtw_get_stainfo(&adapter->stapriv, pstassoc->macaddr); - if (psta) - rtw_indicate_sta_assoc_event(adapter, psta); - return; - } - /* for AD-HOC mode */ - psta = rtw_get_stainfo(&adapter->stapriv, pstassoc->macaddr); - if (psta) - /* the sta have been in sta_info_queue => do nothing */ - return; /* between drv has received this event before and fw have not yet to set key to CAM_ENTRY) */ - psta = rtw_alloc_stainfo(&adapter->stapriv, pstassoc->macaddr); - if (!psta) - return; - /* to do: init sta_info variable */ - psta->qos_option = 0; - psta->mac_id = (uint)pstassoc->cam_id; - - /* for ad-hoc mode */ - rtl8188e_SetHalODMVar(adapter, 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)) || - (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE))) { - 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 sta_priv *pstapriv = &adapter->stapriv; - struct wlan_network *tgt_network = &pmlmepriv->cur_network; - - psta = rtw_get_stainfo(&adapter->stapriv, pstadel->macaddr); - if (psta) - mac_id = psta->mac_id; - else - mac_id = pstadel->mac_id; - - if (mac_id >= 0) { - u16 media_status; - media_status = (mac_id << 8) | 0; /* MACID|OPMODE:0 means disconnect */ - /* for STA, AP, ADHOC mode, report disconnect stauts to FW */ - rtl8188e_set_FwMediaStatus_cmd(adapter, media_status); - } - - if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) - return; - - mlmeext_sta_del_event_callback(adapter); - - spin_lock_bh(&pmlmepriv->lock); - - if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) { - if (adapter->registrypriv.wifi_spec == 1) - rtw_set_roaming(adapter, 0); /* don't roam */ - else if (rtw_to_roaming(adapter) > 0) - pmlmepriv->to_roaming--; /* this stadel_event is caused by roaming, decrease to_roaming */ - else if (rtw_to_roaming(adapter) == 0) - rtw_set_roaming(adapter, - adapter->registrypriv.max_roaming_times); - - if (*((unsigned short *)(pstadel->rsvd)) != WLAN_REASON_EXPIRATION_CHK) - rtw_set_roaming(adapter, 0); /* don't roam */ - - 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(pmlmepriv, pwlan); - } - spin_unlock_bh(&pmlmepriv->scanned_queue.lock); - _rtw_roaming(adapter, tgt_network); - } - if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) || - check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) { - spin_lock_bh(&pstapriv->sta_hash_lock); - rtw_free_stainfo(adapter, psta); - spin_unlock_bh(&pstapriv->sta_hash_lock); - - if (adapter->stapriv.asoc_sta_count == 1) { /* a sta + bc/mc_stainfo (not Ibss_stainfo) */ - spin_lock_bh(&pmlmepriv->scanned_queue.lock); - /* free old ibss network */ - pwlan = rtw_find_network(&pmlmepriv->scanned_queue, tgt_network->network.MacAddress); - if (pwlan) { - pwlan->fixed = false; - rtw_free_network_nolock(pmlmepriv, 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); - } - - rtw_createbss_cmd(adapter); - } - } - spin_unlock_bh(&pmlmepriv->lock); - -} - -/* -* _rtw_join_timeout_handler - Timeout/failure handler for CMD JoinBss -* @adapter: pointer to struct adapter structure -*/ -void _rtw_join_timeout_handler (struct adapter *adapter) -{ - struct mlme_priv *pmlmepriv = &adapter->mlmepriv; - int do_join_r; - - if (adapter->bDriverStopped || adapter->bSurpriseRemoved) - return; - - spin_lock_irq(&pmlmepriv->lock); - - if (rtw_to_roaming(adapter) > 0) { /* join timeout caused by roaming */ - while (1) { - pmlmepriv->to_roaming--; - if (rtw_to_roaming(adapter) != 0) { /* try another */ - do_join_r = rtw_do_join(adapter); - if (do_join_r != _SUCCESS) - continue; - break; - } else { - rtw_indicate_disconnect(adapter); - break; - } - } - } else { - rtw_indicate_disconnect(adapter); - free_scanqueue(pmlmepriv);/* */ - } - spin_unlock_irq(&pmlmepriv->lock); - -} - -/* -* rtw_scan_timeout_handler - Timeout/Failure handler for CMD SiteSurvey -* @adapter: pointer to struct adapter structure -*/ -void rtw_scan_timeout_handler (struct adapter *adapter) -{ - struct mlme_priv *pmlmepriv = &adapter->mlmepriv; - - spin_lock_bh(&pmlmepriv->lock); - _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY); - spin_unlock_bh(&pmlmepriv->lock); - rtw_indicate_scan_done(adapter); -} - -static void rtw_auto_scan_handler(struct adapter *padapter) -{ - struct mlme_priv *pmlmepriv = &padapter->mlmepriv; - - /* auto site survey per 60sec */ - if (pmlmepriv->scan_interval > 0) { - pmlmepriv->scan_interval--; - if (pmlmepriv->scan_interval == 0) { - rtw_set_802_11_bssid_list_scan(padapter, NULL, 0); - pmlmepriv->scan_interval = SCAN_INTERVAL;/* 30*2 sec = 60sec */ - } - } -} - -void rtw_dynamic_check_timer_handlder(struct adapter *adapter) -{ - struct mlme_priv *pmlmepriv = &adapter->mlmepriv; - struct registry_priv *pregistrypriv = &adapter->registrypriv; - - if (!adapter) - return; - if (!adapter->hw_init_completed) - return; - if ((adapter->bDriverStopped) || (adapter->bSurpriseRemoved)) - return; - if (adapter->net_closed) - return; - rtw_dynamic_chk_wk_cmd(adapter); - - if (pregistrypriv->wifi_spec == 1) { - struct wifidirect_info *pwdinfo = &adapter->wdinfo; - if (rtw_p2p_chk_state(pwdinfo, P2P_STATE_NONE)) { - /* auto site survey */ - rtw_auto_scan_handler(adapter); - } - } - - rcu_read_lock(); - - if (rcu_dereference(adapter->pnetdev->rx_handler_data) && - check_fwstate(pmlmepriv, WIFI_STATION_STATE | WIFI_ADHOC_STATE)) { - /* expire NAT2.5 entry */ - nat25_db_expire(adapter); - - if (adapter->pppoe_connection_in_progress > 0) - adapter->pppoe_connection_in_progress--; - - /* due to rtw_dynamic_check_timer_handlder() is called every 2 seconds */ - if (adapter->pppoe_connection_in_progress > 0) - adapter->pppoe_connection_in_progress--; - } - - rcu_read_unlock(); -} - -#define RTW_SCAN_RESULT_EXPIRE 2000 - -/* -* 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 *pmlmepriv - , struct wlan_network **candidate, struct wlan_network *competitor) -{ - int updated = false; - struct adapter *adapter = container_of(pmlmepriv, struct adapter, mlmepriv); - unsigned long scan_res_expire; - - /* check bssid, if needed */ - if (pmlmepriv->assoc_by_bssid) { - if (memcmp(competitor->network.MacAddress, pmlmepriv->assoc_bssid, ETH_ALEN)) - goto exit; - } - - /* check ssid, if needed */ - if (pmlmepriv->assoc_ssid.SsidLength) { - if (competitor->network.Ssid.SsidLength != pmlmepriv->assoc_ssid.SsidLength || - memcmp(competitor->network.Ssid.Ssid, pmlmepriv->assoc_ssid.Ssid, pmlmepriv->assoc_ssid.SsidLength)) - goto exit; - } - - if (!rtw_is_desired_network(adapter, competitor)) - goto exit; - - scan_res_expire = competitor->last_scanned + msecs_to_jiffies(RTW_SCAN_RESULT_EXPIRE); - if (rtw_to_roaming(adapter) > 0) { - if (time_after(jiffies, scan_res_expire) || - !is_same_ess(&competitor->network, &pmlmepriv->cur_network.network)) - goto exit; - } - - if (!*candidate || (*candidate)->network.Rssi < competitor->network.Rssi) { - *candidate = competitor; - updated = true; - } - -exit: - return updated; -} - -/* -Calling context: -The caller of the sub-routine will be in critical section... -The caller must hold the following spinlock -pmlmepriv->lock -*/ - -int rtw_select_and_join_from_scanned_queue(struct mlme_priv *pmlmepriv) -{ - int ret; - struct list_head *phead; - struct adapter *adapter; - struct __queue *queue = &pmlmepriv->scanned_queue; - struct wlan_network *pnetwork = NULL; - struct wlan_network *candidate = NULL; - - spin_lock_bh(&pmlmepriv->scanned_queue.lock); - phead = get_list_head(queue); - adapter = (struct adapter *)pmlmepriv->nic_hdl; - pmlmepriv->pscanned = phead->next; - while (phead != pmlmepriv->pscanned) { - pnetwork = container_of(pmlmepriv->pscanned, struct wlan_network, list); - pmlmepriv->pscanned = pmlmepriv->pscanned->next; - rtw_check_join_candidate(pmlmepriv, &candidate, pnetwork); - } - if (!candidate) { - ret = _FAIL; - goto exit; - } - - /* check for situation of _FW_LINKED */ - if (check_fwstate(pmlmepriv, _FW_LINKED)) { - rtw_disassoc_cmd(adapter, 0, true); - rtw_indicate_disconnect(adapter); - rtw_free_assoc_resources(adapter, 0); - } - - ret = rtw_joinbss_cmd(adapter, candidate); - -exit: - spin_unlock_bh(&pmlmepriv->scanned_queue.lock); - - return ret; -} - -int rtw_set_auth(struct adapter *adapter, struct security_priv *psecuritypriv) -{ - struct cmd_obj *pcmd; - struct setauth_parm *psetauthparm; - struct cmd_priv *pcmdpriv = &adapter->cmdpriv; - int res = _SUCCESS; - - pcmd = kzalloc(sizeof(*pcmd), GFP_KERNEL); - if (!pcmd) { - res = _FAIL; /* try again */ - goto exit; - } - - psetauthparm = kzalloc(sizeof(*psetauthparm), GFP_KERNEL); - if (!psetauthparm) { - kfree(pcmd); - res = _FAIL; - goto exit; - } - psetauthparm->mode = (unsigned char)psecuritypriv->dot11AuthAlgrthm; - pcmd->cmdcode = _SetAuth_CMD_; - pcmd->parmbuf = (unsigned char *)psetauthparm; - pcmd->cmdsz = (sizeof(struct setauth_parm)); - pcmd->rsp = NULL; - pcmd->rspsz = 0; - INIT_LIST_HEAD(&pcmd->list); - res = rtw_enqueue_cmd(pcmdpriv, pcmd); -exit: - - return res; -} - -int rtw_set_key(struct adapter *adapter, struct security_priv *psecuritypriv, int keyid, u8 set_tx) -{ - u8 keylen; - struct cmd_obj *pcmd; - struct setkey_parm *psetkeyparm; - struct cmd_priv *pcmdpriv = &adapter->cmdpriv; - struct mlme_priv *pmlmepriv = &adapter->mlmepriv; - int res = _SUCCESS; - - pcmd = kzalloc(sizeof(*pcmd), GFP_KERNEL); - if (!pcmd) { - res = _FAIL; /* try again */ - goto exit; - } - psetkeyparm = kzalloc(sizeof(*psetkeyparm), GFP_KERNEL); - if (!psetkeyparm) { - kfree(pcmd); - res = _FAIL; - goto exit; - } - - if (psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) - psetkeyparm->algorithm = (unsigned char)psecuritypriv->dot118021XGrpPrivacy; - else - psetkeyparm->algorithm = (u8)psecuritypriv->dot11PrivacyAlgrthm; - psetkeyparm->keyid = (u8)keyid;/* 0~3 */ - psetkeyparm->set_tx = set_tx; - pmlmepriv->key_mask |= BIT(psetkeyparm->keyid); - - switch (psetkeyparm->algorithm) { - case _WEP40_: - keylen = 5; - memcpy(&psetkeyparm->key[0], &psecuritypriv->dot11DefKey[keyid].skey[0], keylen); - break; - case _WEP104_: - keylen = 13; - memcpy(&psetkeyparm->key[0], &psecuritypriv->dot11DefKey[keyid].skey[0], keylen); - break; - case _TKIP_: - keylen = 16; - memcpy(&psetkeyparm->key, &psecuritypriv->dot118021XGrpKey[keyid], keylen); - psetkeyparm->grpkey = 1; - break; - case _AES_: - keylen = 16; - memcpy(&psetkeyparm->key, &psecuritypriv->dot118021XGrpKey[keyid], keylen); - psetkeyparm->grpkey = 1; - break; - default: - kfree(psetkeyparm); - kfree(pcmd); - res = _FAIL; - goto exit; - } - pcmd->cmdcode = _SetKey_CMD_; - pcmd->parmbuf = (u8 *)psetkeyparm; - pcmd->cmdsz = (sizeof(struct setkey_parm)); - pcmd->rsp = NULL; - pcmd->rspsz = 0; - INIT_LIST_HEAD(&pcmd->list); - res = rtw_enqueue_cmd(pcmdpriv, pcmd); -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 */ - /* Append WMM IE to the last index of out_ie */ - - 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; -} - -/* */ -/* Search by BSSID, */ -/* Return Value: */ -/* -1 :if there is no pre-auth key in the table */ -/* >= 0 :if there is pre-auth key, and return the entry id */ -/* */ -/* */ - -static int SecIsInPMKIDList(struct adapter *Adapter, u8 *bssid) -{ - struct security_priv *p = &Adapter->securitypriv; - int i; - - for (i = 0; i < NUM_PMKID_CACHE; i++) - if (p->PMKIDList[i].bUsed && !memcmp(p->PMKIDList[i].Bssid, bssid, ETH_ALEN)) - return i; - return -1; -} - -/* */ -/* Check the RSN IE length */ -/* If the RSN IE length <= 20, the RSN IE didn't include the PMKID information */ -/* 0-11th element in the array are the fixed IE */ -/* 12th element in the array is the IE */ -/* 13th element in the array is the IE length */ -/* */ - -static int rtw_append_pmkid(struct adapter *Adapter, int iEntry, u8 *ie, uint ie_len) -{ - struct security_priv *psecuritypriv = &Adapter->securitypriv; - - if (ie[13] <= 20) { - /* The RSN IE didn't include the PMK ID, append the PMK information */ - ie[ie_len] = 1; - ie_len++; - ie[ie_len] = 0; /* PMKID count = 0x0100 */ - ie_len++; - memcpy(&ie[ie_len], &psecuritypriv->PMKIDList[iEntry].PMKID, 16); - - ie_len += 16; - ie[13] += 18;/* PMKID length = 2+16 */ - } - return ie_len; -} - -static void rtw_report_sec_ie(struct adapter *adapter, u8 authmode, u8 *sec_ie) -{ - uint len; - u8 *buff, *p, i; - union iwreq_data wrqu; - - buff = NULL; - if (authmode == _WPA_IE_ID_) { - buff = kzalloc(IW_CUSTOM_MAX, GFP_ATOMIC); - if (!buff) - return; - p = buff; - p += sprintf(p, "ASSOCINFO(ReqIEs ="); - len = sec_ie[1] + 2; - len = (len < IW_CUSTOM_MAX) ? len : IW_CUSTOM_MAX; - for (i = 0; i < len; i++) - p += sprintf(p, "%02x", sec_ie[i]); - p += sprintf(p, ")"); - memset(&wrqu, 0, sizeof(wrqu)); - wrqu.data.length = p - buff; - wrqu.data.length = (wrqu.data.length < IW_CUSTOM_MAX) ? - wrqu.data.length : IW_CUSTOM_MAX; - wireless_send_event(adapter->pnetdev, IWEVCUSTOM, &wrqu, buff); - kfree(buff); - } -} - -int rtw_restruct_sec_ie(struct adapter *adapter, u8 *in_ie, u8 *out_ie, uint in_len) -{ - u8 authmode = 0; - uint ielength; - int iEntry; - struct mlme_priv *pmlmepriv = &adapter->mlmepriv; - struct security_priv *psecuritypriv = &adapter->securitypriv; - uint ndisauthmode = psecuritypriv->ndisauthtype; - - /* copy fixed ie only */ - memcpy(out_ie, in_ie, 12); - ielength = 12; - if ((ndisauthmode == Ndis802_11AuthModeWPA) || - (ndisauthmode == Ndis802_11AuthModeWPAPSK)) - authmode = _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); - 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_config); - 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; - - pdev_network->Privacy = (psecuritypriv->dot11PrivacyAlgrthm > 0 ? 1 : 0); /* adhoc no 802.1x */ - - pdev_network->Rssi = 0; - - pdev_network->Configuration.DSConfig = (pregistrypriv->channel); - - if (cur_network->network.InfrastructureMode == Ndis802_11IBSS) - pdev_network->Configuration.ATIMWindow = (0); - - pdev_network->InfrastructureMode = (cur_network->network.InfrastructureMode); - - /* 1. Supported rates */ - /* 2. 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); */ - -} - -static void rtw_set_threshold(struct adapter *adapter) -{ - struct mlme_priv *mlmepriv = &adapter->mlmepriv; - struct ht_priv *htpriv = &mlmepriv->htpriv; - - if (htpriv->ht_option && adapter->registrypriv.wifi_spec != 1) { - /* validate usb rx aggregation, use init value. */ - rtw_write8(adapter, REG_RXDMA_AGG_PG_TH, USB_RXAGG_PAGE_COUNT); - } else { - /* invalidate usb rx aggregation */ - rtw_write8(adapter, REG_RXDMA_AGG_PG_TH, 1); - } -} - -/* the function is at passive_level */ -void rtw_joinbss_reset(struct adapter *padapter) -{ - 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 */ - - rtw_set_threshold(padapter); -} - -/* 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) -{ - u32 ielen, out_len; - unsigned char *p; - struct ieee80211_ht_cap ht_capie; - unsigned char WMM_IE[] = {0x00, 0x50, 0xf2, 0x02, 0x00, 0x01, 0x00}; - struct mlme_priv *pmlmepriv = &padapter->mlmepriv; - struct qos_priv *pqospriv = &pmlmepriv->qospriv; - struct ht_priv *phtpriv = &pmlmepriv->htpriv; - - phtpriv->ht_option = false; - - p = rtw_get_ie(in_ie + 12, _HT_CAPABILITY_IE_, &ielen, in_len - 12); - - if (p && ielen > 0) { - if (pqospriv->qos_option == 0) { - out_len = *pout_len; - rtw_set_ie(out_ie + out_len, _VENDOR_SPECIFIC_IE_, - _WMM_IE_Length_, WMM_IE, pout_len); - - pqospriv->qos_option = 1; - } - - out_len = *pout_len; - - memset(&ht_capie, 0, sizeof(struct ieee80211_ht_cap)); - - ht_capie.cap_info = cpu_to_le16(IEEE80211_HT_CAP_SUP_WIDTH_20_40 | - IEEE80211_HT_CAP_SGI_20 | - IEEE80211_HT_CAP_SGI_40 | - IEEE80211_HT_CAP_TX_STBC | - IEEE80211_HT_CAP_DSSSCCK40); - - /* - AMPDU_para [1:0]:Max AMPDU Len => 0:8k , 1:16k, 2:32k, 3:64k - AMPDU_para [4:2]:Min MPDU Start Spacing - */ - - ht_capie.ampdu_params_info = (MAX_AMPDU_FACTOR_64K & 0x03); - - if (padapter->securitypriv.dot11PrivacyAlgrthm == _AES_) - ht_capie.ampdu_params_info |= (IEEE80211_HT_AMPDU_PARM_DENSITY & (0x07 << 2)); - else - ht_capie.ampdu_params_info |= (IEEE80211_HT_AMPDU_PARM_DENSITY & 0x00); - - rtw_set_ie(out_ie + out_len, _HT_CAPABILITY_IE_, - sizeof(struct ieee80211_ht_cap), (unsigned char *)&ht_capie, pout_len); - - phtpriv->ht_option = true; - - p = rtw_get_ie(in_ie + 12, _HT_ADD_INFO_IE_, &ielen, in_len - 12); - if (p && (ielen == sizeof(struct ieee80211_ht_addt_info))) { - out_len = *pout_len; - 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 *p, max_ampdu_sz; - int len; - struct ieee80211_ht_cap *pht_capie; - struct mlme_priv *pmlmepriv = &padapter->mlmepriv; - struct ht_priv *phtpriv = &pmlmepriv->htpriv; - struct registry_priv *pregistrypriv = &padapter->registrypriv; - struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; - struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info; - - if (!phtpriv->ht_option) - return; - - if ((!pmlmeinfo->HT_info_enable) || (!pmlmeinfo->HT_caps_enable)) - return; - - /* maybe needs check if ap supports rx ampdu. */ - if ((!phtpriv->ampdu_enable) && (pregistrypriv->ampdu_enable == 1)) { - if (pregistrypriv->wifi_spec == 1) - phtpriv->ampdu_enable = false; - else - phtpriv->ampdu_enable = true; - } else if (pregistrypriv->ampdu_enable == 2) { - phtpriv->ampdu_enable = true; - } - - /* check Max Rx A-MPDU Size */ - len = 0; - p = rtw_get_ie(pie + sizeof(struct ndis_802_11_fixed_ie), _HT_CAPABILITY_IE_, &len, ie_len - sizeof(struct ndis_802_11_fixed_ie)); - if (p && len > 0) { - pht_capie = (struct ieee80211_ht_cap *)(p + 2); - max_ampdu_sz = (pht_capie->ampdu_params_info & IEEE80211_HT_AMPDU_PARM_FACTOR); - max_ampdu_sz = 1 << (max_ampdu_sz + 3); /* max_ampdu_sz (kbytes); */ - phtpriv->rx_ampdu_maxlen = max_ampdu_sz; - } - len = 0; - p = rtw_get_ie(pie + sizeof(struct ndis_802_11_fixed_ie), _HT_ADD_INFO_IE_, &len, ie_len - sizeof(struct ndis_802_11_fixed_ie)); - - /* update cur_bwmode & cur_ch_offset */ - if ((pregistrypriv->cbw40_enable) && - (le16_to_cpu(pmlmeinfo->HT_caps.u.HT_cap_element.HT_caps_info) & BIT(1)) && - (pmlmeinfo->HT_info.infos[0] & BIT(2))) { - int i; - - /* update the MCS rates */ - for (i = 0; i < 16; i++) - pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate[i] &= MCS_rate_1R[i]; - - /* switch to the 40M Hz mode according to the AP */ - pmlmeext->cur_bwmode = HT_CHANNEL_WIDTH_40; - switch ((pmlmeinfo->HT_info.infos[0] & 0x3)) { - case HT_EXTCHNL_OFFSET_UPPER: - pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER; - break; - case HT_EXTCHNL_OFFSET_LOWER: - pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER; - break; - default: - pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE; - break; - } - } - - /* Config SM Power Save setting */ - pmlmeinfo->SM_PS = (le16_to_cpu(pmlmeinfo->HT_caps.u.HT_cap_element.HT_caps_info) & 0x0C) >> 2; - - /* Config current HT Protection mode. */ - pmlmeinfo->HT_protection = pmlmeinfo->HT_info.infos[1] & 0x3; -} - -void rtw_issue_addbareq_cmd(struct adapter *padapter, struct xmit_frame *pxmitframe) -{ - u8 issued; - int priority; - struct sta_info *psta = NULL; - struct ht_priv *phtpriv; - struct pkt_attrib *pattrib = &pxmitframe->attrib; - - if (is_multicast_ether_addr(pattrib->ra) || - padapter->mlmepriv.LinkDetectInfo.NumTxOkInPeriod < 100) - return; - - priority = pattrib->priority; - - if (pattrib->psta) - psta = pattrib->psta; - else - psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra); - - if (!psta) - return; - - phtpriv = &psta->htpriv; - - if ((phtpriv->ht_option) && (phtpriv->ampdu_enable)) { - issued = (phtpriv->agg_enable_bitmap >> priority) & 0x1; - issued |= (phtpriv->candidate_tid_bitmap >> priority) & 0x1; - - if (issued == 0) { - psta->htpriv.candidate_tid_bitmap |= BIT((u8)priority); - rtw_addbareq_cmd(padapter, (u8)priority, pattrib->ra); - } - } -} - -void rtw_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; - int do_join_r; - - struct wlan_network *pnetwork; - - if (tgt_network) - pnetwork = tgt_network; - else - pnetwork = &pmlmepriv->cur_network; - - if (rtw_to_roaming(padapter) > 0) { - memcpy(&pmlmepriv->assoc_ssid, &pnetwork->network.Ssid, sizeof(struct ndis_802_11_ssid)); - - pmlmepriv->assoc_by_bssid = false; - - while (1) { - do_join_r = rtw_do_join(padapter); - if (do_join_r == _SUCCESS) { - break; - } else { - pmlmepriv->to_roaming--; - - if (pmlmepriv->to_roaming > 0) { - continue; - } else { - rtw_indicate_disconnect(padapter); - break; - } - } - } - } -} |