| /****************************************************************************** |
| * rtl871x_mlme.c |
| * |
| * Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved. |
| * Linux device driver for RTL8192SU |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms of version 2 of the GNU General Public License as |
| * published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| * more details. |
| * |
| * You should have received a copy of the GNU General Public License along with |
| * this program; if not, write to the Free Software Foundation, Inc., |
| * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA |
| * |
| * Modifications for inclusion into the Linux staging tree are |
| * Copyright(c) 2010 Larry Finger. All rights reserved. |
| * |
| * Contact information: |
| * WLAN FAE <wlanfae@realtek.com> |
| * Larry Finger <Larry.Finger@lwfinger.net> |
| * |
| ******************************************************************************/ |
| |
| #define _RTL871X_MLME_C_ |
| |
| #include <linux/etherdevice.h> |
| |
| #include "osdep_service.h" |
| #include "drv_types.h" |
| #include "recv_osdep.h" |
| #include "xmit_osdep.h" |
| #include "mlme_osdep.h" |
| #include "sta_info.h" |
| #include "wifi.h" |
| #include "wlan_bssdef.h" |
| |
| static void update_ht_cap(struct _adapter *padapter, u8 *pie, uint ie_len); |
| |
| static sint _init_mlme_priv(struct _adapter *padapter) |
| { |
| sint i; |
| u8 *pbuf; |
| struct wlan_network *pnetwork; |
| struct mlme_priv *pmlmepriv = &padapter->mlmepriv; |
| |
| memset((u8 *)pmlmepriv, 0, sizeof(struct mlme_priv)); |
| pmlmepriv->nic_hdl = (u8 *)padapter; |
| pmlmepriv->pscanned = NULL; |
| pmlmepriv->fw_state = 0; |
| pmlmepriv->cur_network.network.InfrastructureMode = |
| Ndis802_11AutoUnknown; |
| /* Maybe someday we should rename this variable to "active_mode"(Jeff)*/ |
| pmlmepriv->passive_mode = 1; /* 1: active, 0: passive. */ |
| spin_lock_init(&(pmlmepriv->lock)); |
| spin_lock_init(&(pmlmepriv->lock2)); |
| _init_queue(&(pmlmepriv->free_bss_pool)); |
| _init_queue(&(pmlmepriv->scanned_queue)); |
| set_scanned_network_val(pmlmepriv, 0); |
| memset(&pmlmepriv->assoc_ssid, 0, sizeof(struct ndis_802_11_ssid)); |
| pbuf = kmalloc_array(MAX_BSS_CNT, sizeof(struct wlan_network), |
| GFP_ATOMIC); |
| if (!pbuf) |
| return _FAIL; |
| 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++; |
| } |
| pmlmepriv->sitesurveyctrl.last_rx_pkts = 0; |
| pmlmepriv->sitesurveyctrl.last_tx_pkts = 0; |
| pmlmepriv->sitesurveyctrl.traffic_busy = false; |
| /* allocate DMA-able/Non-Page memory for cmd_buf and rsp_buf */ |
| r8712_init_mlme_timer(padapter); |
| return _SUCCESS; |
| } |
| |
| struct wlan_network *_r8712_alloc_network(struct mlme_priv *pmlmepriv) |
| { |
| unsigned long irqL; |
| struct wlan_network *pnetwork; |
| struct __queue *free_queue = &pmlmepriv->free_bss_pool; |
| |
| spin_lock_irqsave(&free_queue->lock, irqL); |
| pnetwork = list_first_entry_or_null(&free_queue->queue, |
| struct wlan_network, list); |
| if (pnetwork) { |
| list_del_init(&pnetwork->list); |
| pnetwork->last_scanned = jiffies; |
| pmlmepriv->num_of_scanned++; |
| } |
| spin_unlock_irqrestore(&free_queue->lock, irqL); |
| return pnetwork; |
| } |
| |
| static void _free_network(struct mlme_priv *pmlmepriv, |
| struct wlan_network *pnetwork) |
| { |
| u32 curr_time, delta_time; |
| unsigned long irqL; |
| struct __queue *free_queue = &(pmlmepriv->free_bss_pool); |
| |
| if (pnetwork == NULL) |
| return; |
| if (pnetwork->fixed) |
| return; |
| curr_time = jiffies; |
| delta_time = (curr_time - (u32)pnetwork->last_scanned) / HZ; |
| if (delta_time < SCANQUEUE_LIFETIME) |
| return; |
| spin_lock_irqsave(&free_queue->lock, irqL); |
| list_del_init(&pnetwork->list); |
| list_add_tail(&pnetwork->list, &free_queue->queue); |
| pmlmepriv->num_of_scanned--; |
| spin_unlock_irqrestore(&free_queue->lock, irqL); |
| } |
| |
| static void 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) |
| return; |
| list_del_init(&pnetwork->list); |
| list_add_tail(&pnetwork->list, &free_queue->queue); |
| pmlmepriv->num_of_scanned--; |
| } |
| |
| |
| /* return the wlan_network with the matching addr |
| * Shall be called under atomic context... |
| * to avoid possible racing condition... |
| */ |
| static struct wlan_network *_r8712_find_network(struct __queue *scanned_queue, |
| u8 *addr) |
| { |
| unsigned long irqL; |
| struct list_head *phead, *plist; |
| struct wlan_network *pnetwork = NULL; |
| |
| if (is_zero_ether_addr(addr)) |
| return NULL; |
| spin_lock_irqsave(&scanned_queue->lock, irqL); |
| phead = &scanned_queue->queue; |
| plist = phead->next; |
| while (plist != phead) { |
| pnetwork = container_of(plist, struct wlan_network, list); |
| plist = plist->next; |
| if (!memcmp(addr, pnetwork->network.MacAddress, ETH_ALEN)) |
| break; |
| } |
| spin_unlock_irqrestore(&scanned_queue->lock, irqL); |
| return pnetwork; |
| } |
| |
| static void _free_network_queue(struct _adapter *padapter) |
| { |
| unsigned long irqL; |
| struct list_head *phead, *plist; |
| struct wlan_network *pnetwork; |
| struct mlme_priv *pmlmepriv = &padapter->mlmepriv; |
| struct __queue *scanned_queue = &pmlmepriv->scanned_queue; |
| |
| spin_lock_irqsave(&scanned_queue->lock, irqL); |
| phead = &scanned_queue->queue; |
| plist = phead->next; |
| while (!end_of_queue_search(phead, plist)) { |
| pnetwork = container_of(plist, struct wlan_network, list); |
| plist = plist->next; |
| _free_network(pmlmepriv, pnetwork); |
| } |
| spin_unlock_irqrestore(&scanned_queue->lock, irqL); |
| } |
| |
| sint r8712_if_up(struct _adapter *padapter) |
| { |
| sint res; |
| |
| if (padapter->bDriverStopped || padapter->bSurpriseRemoved || |
| !check_fwstate(&padapter->mlmepriv, _FW_LINKED)) { |
| res = false; |
| } else { |
| res = true; |
| } |
| return res; |
| } |
| |
| void r8712_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); |
| pibss[4] = (u8)((curtime >> 8) & 0xff); |
| pibss[5] = (u8)((curtime >> 16) & 0xff); |
| } |
| |
| uint r8712_get_wlan_bssid_ex_sz(struct wlan_bssid_ex *bss) |
| { |
| return sizeof(*bss) + bss->IELength - MAX_IE_SZ; |
| } |
| |
| u8 *r8712_get_capability_from_ie(u8 *ie) |
| { |
| return ie + 8 + 2; |
| } |
| |
| int r8712_init_mlme_priv(struct _adapter *padapter) |
| { |
| return _init_mlme_priv(padapter); |
| } |
| |
| void r8712_free_mlme_priv(struct mlme_priv *pmlmepriv) |
| { |
| kfree(pmlmepriv->free_bss_buf); |
| } |
| |
| static struct wlan_network *alloc_network(struct mlme_priv *pmlmepriv) |
| { |
| return _r8712_alloc_network(pmlmepriv); |
| } |
| |
| void r8712_free_network_queue(struct _adapter *dev) |
| { |
| _free_network_queue(dev); |
| } |
| |
| /* |
| * return the wlan_network with the matching addr |
| * Shall be called under atomic context... |
| * to avoid possible racing condition... |
| */ |
| static struct wlan_network *r8712_find_network(struct __queue *scanned_queue, |
| u8 *addr) |
| { |
| struct wlan_network *pnetwork = _r8712_find_network(scanned_queue, |
| addr); |
| |
| return pnetwork; |
| } |
| |
| int r8712_is_same_ibss(struct _adapter *adapter, struct wlan_network *pnetwork) |
| { |
| int ret = true; |
| struct security_priv *psecuritypriv = &adapter->securitypriv; |
| |
| if ((psecuritypriv->PrivacyAlgrthm != _NO_PRIVACY_) && |
| (pnetwork->network.Privacy == cpu_to_le32(0))) |
| ret = false; |
| else if ((psecuritypriv->PrivacyAlgrthm == _NO_PRIVACY_) && |
| (pnetwork->network.Privacy == cpu_to_le32(1))) |
| ret = false; |
| else |
| ret = true; |
| return ret; |
| |
| } |
| |
| static int is_same_network(struct wlan_bssid_ex *src, |
| struct wlan_bssid_ex *dst) |
| { |
| u16 s_cap, d_cap; |
| |
| memcpy((u8 *)&s_cap, r8712_get_capability_from_ie(src->IEs), 2); |
| memcpy((u8 *)&d_cap, r8712_get_capability_from_ie(dst->IEs), 2); |
| 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 *r8712_get_oldest_wlan_network( |
| struct __queue *scanned_queue) |
| { |
| struct list_head *plist, *phead; |
| struct wlan_network *pwlan = NULL; |
| struct wlan_network *oldest = NULL; |
| |
| phead = &scanned_queue->queue; |
| plist = phead->next; |
| while (1) { |
| if (end_of_queue_search(phead, plist) == true) |
| break; |
| pwlan = container_of(plist, struct wlan_network, list); |
| if (pwlan->fixed != true) { |
| if (oldest == NULL || |
| time_after((unsigned long)oldest->last_scanned, |
| (unsigned long)pwlan->last_scanned)) |
| oldest = pwlan; |
| } |
| plist = plist->next; |
| } |
| return oldest; |
| } |
| |
| static void update_network(struct wlan_bssid_ex *dst, |
| struct wlan_bssid_ex *src, |
| struct _adapter *padapter) |
| { |
| u32 last_evm = 0, tmpVal; |
| |
| if (check_fwstate(&padapter->mlmepriv, _FW_LINKED) && |
| is_same_network(&(padapter->mlmepriv.cur_network.network), src)) { |
| if (padapter->recvpriv.signal_qual_data.total_num++ >= |
| PHY_LINKQUALITY_SLID_WIN_MAX) { |
| padapter->recvpriv.signal_qual_data.total_num = |
| PHY_LINKQUALITY_SLID_WIN_MAX; |
| last_evm = padapter->recvpriv.signal_qual_data. |
| elements[padapter->recvpriv. |
| signal_qual_data.index]; |
| padapter->recvpriv.signal_qual_data.total_val -= |
| last_evm; |
| } |
| padapter->recvpriv.signal_qual_data.total_val += src->Rssi; |
| |
| padapter->recvpriv.signal_qual_data. |
| elements[padapter->recvpriv.signal_qual_data. |
| index++] = src->Rssi; |
| if (padapter->recvpriv.signal_qual_data.index >= |
| PHY_LINKQUALITY_SLID_WIN_MAX) |
| padapter->recvpriv.signal_qual_data.index = 0; |
| /* <1> Showed on UI for user, in percentage. */ |
| tmpVal = padapter->recvpriv.signal_qual_data.total_val / |
| padapter->recvpriv.signal_qual_data.total_num; |
| padapter->recvpriv.signal = (u8)tmpVal; |
| |
| src->Rssi = padapter->recvpriv.signal; |
| } else { |
| src->Rssi = (src->Rssi + dst->Rssi) / 2; |
| } |
| memcpy((u8 *)dst, (u8 *)src, r8712_get_wlan_bssid_ex_sz(src)); |
| } |
| |
| static void update_current_network(struct _adapter *adapter, |
| struct wlan_bssid_ex *pnetwork) |
| { |
| struct mlme_priv *pmlmepriv = &adapter->mlmepriv; |
| |
| if (is_same_network(&(pmlmepriv->cur_network.network), pnetwork)) { |
| update_network(&(pmlmepriv->cur_network.network), |
| pnetwork, adapter); |
| r8712_update_protection(adapter, |
| (pmlmepriv->cur_network.network.IEs) + |
| sizeof(struct NDIS_802_11_FIXED_IEs), |
| pmlmepriv->cur_network.network.IELength); |
| } |
| } |
| |
| /* Caller must hold pmlmepriv->lock first */ |
| static void 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; |
| |
| phead = &queue->queue; |
| plist = phead->next; |
| |
| while (1) { |
| if (end_of_queue_search(phead, plist)) |
| break; |
| |
| pnetwork = container_of(plist, struct wlan_network, list); |
| if (is_same_network(&pnetwork->network, target)) |
| break; |
| if ((oldest == ((struct wlan_network *)0)) || |
| time_after((unsigned long)oldest->last_scanned, |
| (unsigned long)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 (end_of_queue_search(phead, plist)) { |
| if (list_empty(&pmlmepriv->free_bss_pool.queue)) { |
| /* If there are no more slots, expire the oldest */ |
| pnetwork = oldest; |
| target->Rssi = (pnetwork->network.Rssi + |
| target->Rssi) / 2; |
| memcpy(&pnetwork->network, target, |
| r8712_get_wlan_bssid_ex_sz(target)); |
| pnetwork->last_scanned = jiffies; |
| } else { |
| /* Otherwise just pull from the free list */ |
| /* update scan_time */ |
| pnetwork = alloc_network(pmlmepriv); |
| if (pnetwork == NULL) |
| return; |
| bssid_ex_sz = r8712_get_wlan_bssid_ex_sz(target); |
| target->Length = bssid_ex_sz; |
| memcpy(&pnetwork->network, target, bssid_ex_sz); |
| 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 |
| */ |
| update_network(&pnetwork->network, target, adapter); |
| pnetwork->last_scanned = jiffies; |
| } |
| } |
| |
| static void rtl8711_add_network(struct _adapter *adapter, |
| struct wlan_bssid_ex *pnetwork) |
| { |
| unsigned long irqL; |
| struct mlme_priv *pmlmepriv = &(((struct _adapter *)adapter)->mlmepriv); |
| struct __queue *queue = &pmlmepriv->scanned_queue; |
| |
| spin_lock_irqsave(&queue->lock, irqL); |
| update_current_network(adapter, pnetwork); |
| update_scanned_network(adapter, pnetwork); |
| spin_unlock_irqrestore(&queue->lock, irqL); |
| } |
| |
| /*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 int is_desired_network(struct _adapter *adapter, |
| struct wlan_network *pnetwork) |
| { |
| u8 wps_ie[512]; |
| uint wps_ielen; |
| int bselected = true; |
| struct security_priv *psecuritypriv = &adapter->securitypriv; |
| |
| if (psecuritypriv->wps_phase) { |
| if (r8712_get_wps_ie(pnetwork->network.IEs, |
| pnetwork->network.IELength, wps_ie, |
| &wps_ielen)) |
| return true; |
| return false; |
| } |
| if ((psecuritypriv->PrivacyAlgrthm != _NO_PRIVACY_) && |
| (pnetwork->network.Privacy == 0)) |
| bselected = false; |
| if (check_fwstate(&adapter->mlmepriv, WIFI_ADHOC_STATE)) { |
| if (pnetwork->network.InfrastructureMode != |
| adapter->mlmepriv.cur_network.network. |
| InfrastructureMode) |
| bselected = false; |
| } |
| return bselected; |
| } |
| |
| /* TODO: Perry : For Power Management */ |
| void r8712_atimdone_event_callback(struct _adapter *adapter, u8 *pbuf) |
| { |
| } |
| |
| void r8712_survey_event_callback(struct _adapter *adapter, u8 *pbuf) |
| { |
| unsigned long flags; |
| u32 len; |
| struct wlan_bssid_ex *pnetwork; |
| struct mlme_priv *pmlmepriv = &adapter->mlmepriv; |
| |
| pnetwork = (struct wlan_bssid_ex *)pbuf; |
| #ifdef __BIG_ENDIAN |
| /* endian_convert */ |
| pnetwork->Length = le32_to_cpu(pnetwork->Length); |
| pnetwork->Ssid.SsidLength = le32_to_cpu(pnetwork->Ssid.SsidLength); |
| pnetwork->Privacy = le32_to_cpu(pnetwork->Privacy); |
| pnetwork->Rssi = le32_to_cpu(pnetwork->Rssi); |
| pnetwork->NetworkTypeInUse = le32_to_cpu(pnetwork->NetworkTypeInUse); |
| pnetwork->Configuration.ATIMWindow = |
| le32_to_cpu(pnetwork->Configuration.ATIMWindow); |
| pnetwork->Configuration.BeaconPeriod = |
| le32_to_cpu(pnetwork->Configuration.BeaconPeriod); |
| pnetwork->Configuration.DSConfig = |
| le32_to_cpu(pnetwork->Configuration.DSConfig); |
| pnetwork->Configuration.FHConfig.DwellTime = |
| le32_to_cpu(pnetwork->Configuration.FHConfig.DwellTime); |
| pnetwork->Configuration.FHConfig.HopPattern = |
| le32_to_cpu(pnetwork->Configuration.FHConfig.HopPattern); |
| pnetwork->Configuration.FHConfig.HopSet = |
| le32_to_cpu(pnetwork->Configuration.FHConfig.HopSet); |
| pnetwork->Configuration.FHConfig.Length = |
| le32_to_cpu(pnetwork->Configuration.FHConfig.Length); |
| pnetwork->Configuration.Length = |
| le32_to_cpu(pnetwork->Configuration.Length); |
| pnetwork->InfrastructureMode = |
| le32_to_cpu(pnetwork->InfrastructureMode); |
| pnetwork->IELength = le32_to_cpu(pnetwork->IELength); |
| #endif |
| len = r8712_get_wlan_bssid_ex_sz(pnetwork); |
| if (len > sizeof(struct wlan_bssid_ex)) |
| return; |
| spin_lock_irqsave(&pmlmepriv->lock2, flags); |
| /* 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); |
| ibss_wlan = r8712_find_network( |
| &pmlmepriv->scanned_queue, |
| pnetwork->MacAddress); |
| if (ibss_wlan) { |
| memcpy(ibss_wlan->network.IEs, |
| pnetwork->IEs, 8); |
| goto exit; |
| } |
| } |
| } |
| /* lock pmlmepriv->lock when you accessing network_q */ |
| if (!check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) { |
| if (pnetwork->Ssid.Ssid[0] != 0) { |
| rtl8711_add_network(adapter, pnetwork); |
| } else { |
| pnetwork->Ssid.SsidLength = 8; |
| memcpy(pnetwork->Ssid.Ssid, "<hidden>", 8); |
| rtl8711_add_network(adapter, pnetwork); |
| } |
| } |
| exit: |
| spin_unlock_irqrestore(&pmlmepriv->lock2, flags); |
| } |
| |
| void r8712_surveydone_event_callback(struct _adapter *adapter, u8 *pbuf) |
| { |
| unsigned long irqL; |
| struct mlme_priv *pmlmepriv = &adapter->mlmepriv; |
| |
| spin_lock_irqsave(&pmlmepriv->lock, irqL); |
| |
| if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY)) { |
| del_timer(&pmlmepriv->scan_to_timer); |
| |
| _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY); |
| } |
| |
| if (pmlmepriv->to_join) { |
| if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) { |
| if (!check_fwstate(pmlmepriv, _FW_LINKED)) { |
| set_fwstate(pmlmepriv, _FW_UNDER_LINKING); |
| |
| if (r8712_select_and_join_from_scan(pmlmepriv) |
| == _SUCCESS) |
| mod_timer(&pmlmepriv->assoc_timer, jiffies + |
| msecs_to_jiffies(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; |
| memcpy(&pdev_network->Ssid, |
| &pmlmepriv->assoc_ssid, |
| sizeof(struct |
| ndis_802_11_ssid)); |
| r8712_update_registrypriv_dev_network |
| (adapter); |
| r8712_generate_random_ibss(pibss); |
| pmlmepriv->fw_state = |
| WIFI_ADHOC_MASTER_STATE; |
| pmlmepriv->to_join = false; |
| } |
| } |
| } else { |
| pmlmepriv->to_join = false; |
| set_fwstate(pmlmepriv, _FW_UNDER_LINKING); |
| if (r8712_select_and_join_from_scan(pmlmepriv) == |
| _SUCCESS) |
| mod_timer(&pmlmepriv->assoc_timer, jiffies + |
| msecs_to_jiffies(MAX_JOIN_TIMEOUT)); |
| else |
| _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING); |
| } |
| } |
| spin_unlock_irqrestore(&pmlmepriv->lock, irqL); |
| } |
| |
| /* |
| *r8712_free_assoc_resources: the caller has to lock pmlmepriv->lock |
| */ |
| void r8712_free_assoc_resources(struct _adapter *adapter) |
| { |
| unsigned long irqL; |
| 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; |
| |
| pwlan = r8712_find_network(&pmlmepriv->scanned_queue, |
| tgt_network->network.MacAddress); |
| |
| if (check_fwstate(pmlmepriv, WIFI_STATION_STATE | WIFI_AP_STATE)) { |
| struct sta_info *psta; |
| |
| psta = r8712_get_stainfo(&adapter->stapriv, |
| tgt_network->network.MacAddress); |
| |
| spin_lock_irqsave(&pstapriv->sta_hash_lock, irqL); |
| r8712_free_stainfo(adapter, psta); |
| spin_unlock_irqrestore(&pstapriv->sta_hash_lock, irqL); |
| } |
| |
| if (check_fwstate(pmlmepriv, |
| WIFI_ADHOC_STATE | WIFI_ADHOC_MASTER_STATE | WIFI_AP_STATE)) |
| r8712_free_all_stainfo(adapter); |
| if (pwlan) |
| pwlan->fixed = false; |
| |
| if (((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) && |
| (adapter->stapriv.asoc_sta_count == 1))) |
| free_network_nolock(pmlmepriv, pwlan); |
| } |
| |
| /* |
| * r8712_indicate_connect: the caller has to lock pmlmepriv->lock |
| */ |
| void r8712_indicate_connect(struct _adapter *padapter) |
| { |
| struct mlme_priv *pmlmepriv = &padapter->mlmepriv; |
| |
| pmlmepriv->to_join = false; |
| set_fwstate(pmlmepriv, _FW_LINKED); |
| padapter->ledpriv.LedControlHandler(padapter, LED_CTL_LINK); |
| r8712_os_indicate_connect(padapter); |
| if (padapter->registrypriv.power_mgnt > PS_MODE_ACTIVE) |
| mod_timer(&pmlmepriv->dhcp_timer, |
| jiffies + msecs_to_jiffies(60000)); |
| } |
| |
| |
| /* |
| * r8712_ind_disconnect: the caller has to lock pmlmepriv->lock |
| */ |
| void r8712_ind_disconnect(struct _adapter *padapter) |
| { |
| struct mlme_priv *pmlmepriv = &padapter->mlmepriv; |
| |
| if (check_fwstate(pmlmepriv, _FW_LINKED)) { |
| _clr_fwstate_(pmlmepriv, _FW_LINKED); |
| padapter->ledpriv.LedControlHandler(padapter, LED_CTL_NO_LINK); |
| r8712_os_indicate_disconnect(padapter); |
| } |
| if (padapter->pwrctrlpriv.pwr_mode != |
| padapter->registrypriv.power_mgnt) { |
| del_timer(&pmlmepriv->dhcp_timer); |
| r8712_set_ps_mode(padapter, padapter->registrypriv.power_mgnt, |
| padapter->registrypriv.smart_ps); |
| } |
| } |
| |
| /*Notes: |
| *pnetwork : returns from r8712_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 r8712_joinbss_event_callback(struct _adapter *adapter, u8 *pbuf) |
| { |
| unsigned long irqL = 0, irqL2; |
| struct sta_info *ptarget_sta = NULL, *pcur_sta = NULL; |
| struct sta_priv *pstapriv = &adapter->stapriv; |
| struct mlme_priv *pmlmepriv = &adapter->mlmepriv; |
| struct wlan_network *cur_network = &pmlmepriv->cur_network; |
| struct wlan_network *pcur_wlan = NULL, *ptarget_wlan = NULL; |
| unsigned int the_same_macaddr = false; |
| struct wlan_network *pnetwork; |
| |
| if (sizeof(struct list_head) == 4 * sizeof(u32)) { |
| pnetwork = kmalloc(sizeof(struct wlan_network), GFP_ATOMIC); |
| if (!pnetwork) |
| return; |
| memcpy((u8 *)pnetwork + 16, (u8 *)pbuf + 8, |
| sizeof(struct wlan_network) - 16); |
| } else { |
| pnetwork = (struct wlan_network *)pbuf; |
| } |
| |
| #ifdef __BIG_ENDIAN |
| /* endian_convert */ |
| pnetwork->join_res = le32_to_cpu(pnetwork->join_res); |
| pnetwork->network_type = le32_to_cpu(pnetwork->network_type); |
| pnetwork->network.Length = le32_to_cpu(pnetwork->network.Length); |
| pnetwork->network.Ssid.SsidLength = |
| le32_to_cpu(pnetwork->network.Ssid.SsidLength); |
| pnetwork->network.Privacy = le32_to_cpu(pnetwork->network.Privacy); |
| pnetwork->network.Rssi = le32_to_cpu(pnetwork->network.Rssi); |
| pnetwork->network.NetworkTypeInUse = |
| le32_to_cpu(pnetwork->network.NetworkTypeInUse); |
| pnetwork->network.Configuration.ATIMWindow = |
| le32_to_cpu(pnetwork->network.Configuration.ATIMWindow); |
| pnetwork->network.Configuration.BeaconPeriod = |
| le32_to_cpu(pnetwork->network.Configuration.BeaconPeriod); |
| pnetwork->network.Configuration.DSConfig = |
| le32_to_cpu(pnetwork->network.Configuration.DSConfig); |
| pnetwork->network.Configuration.FHConfig.DwellTime = |
| le32_to_cpu(pnetwork->network.Configuration.FHConfig. |
| DwellTime); |
| pnetwork->network.Configuration.FHConfig.HopPattern = |
| le32_to_cpu(pnetwork->network.Configuration. |
| FHConfig.HopPattern); |
| pnetwork->network.Configuration.FHConfig.HopSet = |
| le32_to_cpu(pnetwork->network.Configuration.FHConfig.HopSet); |
| pnetwork->network.Configuration.FHConfig.Length = |
| le32_to_cpu(pnetwork->network.Configuration.FHConfig.Length); |
| pnetwork->network.Configuration.Length = |
| le32_to_cpu(pnetwork->network.Configuration.Length); |
| pnetwork->network.InfrastructureMode = |
| le32_to_cpu(pnetwork->network.InfrastructureMode); |
| pnetwork->network.IELength = le32_to_cpu(pnetwork->network.IELength); |
| #endif |
| |
| the_same_macaddr = !memcmp(pnetwork->network.MacAddress, |
| cur_network->network.MacAddress, ETH_ALEN); |
| pnetwork->network.Length = |
| r8712_get_wlan_bssid_ex_sz(&pnetwork->network); |
| spin_lock_irqsave(&pmlmepriv->lock, irqL); |
| if (pnetwork->network.Length > sizeof(struct wlan_bssid_ex)) |
| goto ignore_joinbss_callback; |
| if (pnetwork->join_res > 0) { |
| if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) { |
| /*s1. find ptarget_wlan*/ |
| if (check_fwstate(pmlmepriv, _FW_LINKED)) { |
| if (the_same_macaddr) { |
| ptarget_wlan = |
| r8712_find_network(&pmlmepriv-> |
| scanned_queue, |
| cur_network->network.MacAddress); |
| } else { |
| pcur_wlan = |
| r8712_find_network(&pmlmepriv-> |
| scanned_queue, |
| cur_network->network.MacAddress); |
| pcur_wlan->fixed = false; |
| |
| pcur_sta = r8712_get_stainfo(pstapriv, |
| cur_network->network.MacAddress); |
| spin_lock_irqsave(&pstapriv-> |
| sta_hash_lock, irqL2); |
| r8712_free_stainfo(adapter, pcur_sta); |
| spin_unlock_irqrestore(&(pstapriv-> |
| sta_hash_lock), irqL2); |
| |
| ptarget_wlan = |
| r8712_find_network(&pmlmepriv-> |
| scanned_queue, |
| pnetwork->network. |
| MacAddress); |
| if (ptarget_wlan) |
| ptarget_wlan->fixed = true; |
| } |
| } else { |
| ptarget_wlan = r8712_find_network(&pmlmepriv-> |
| scanned_queue, |
| pnetwork->network.MacAddress); |
| if (ptarget_wlan) |
| ptarget_wlan->fixed = true; |
| } |
| |
| if (ptarget_wlan == NULL) { |
| if (check_fwstate(pmlmepriv, |
| _FW_UNDER_LINKING)) |
| pmlmepriv->fw_state ^= |
| _FW_UNDER_LINKING; |
| goto ignore_joinbss_callback; |
| } |
| |
| /*s2. find ptarget_sta & update ptarget_sta*/ |
| if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) { |
| if (the_same_macaddr) { |
| ptarget_sta = |
| r8712_get_stainfo(pstapriv, |
| pnetwork->network.MacAddress); |
| if (ptarget_sta == NULL) |
| ptarget_sta = |
| r8712_alloc_stainfo(pstapriv, |
| pnetwork->network.MacAddress); |
| } else { |
| ptarget_sta = |
| r8712_alloc_stainfo(pstapriv, |
| pnetwork->network.MacAddress); |
| } |
| if (ptarget_sta) /*update ptarget_sta*/ { |
| ptarget_sta->aid = pnetwork->join_res; |
| ptarget_sta->qos_option = 1; |
| ptarget_sta->mac_id = 5; |
| if (adapter->securitypriv. |
| AuthAlgrthm == 2) { |
| adapter->securitypriv. |
| binstallGrpkey = |
| false; |
| adapter->securitypriv. |
| busetkipkey = |
| false; |
| adapter->securitypriv. |
| bgrpkey_handshake = |
| false; |
| ptarget_sta->ieee8021x_blocked |
| = true; |
| ptarget_sta->XPrivacy = |
| adapter->securitypriv. |
| PrivacyAlgrthm; |
| memset((u8 *)&ptarget_sta-> |
| x_UncstKey, |
| 0, |
| sizeof(union Keytype)); |
| memset((u8 *)&ptarget_sta-> |
| tkiprxmickey, |
| 0, |
| sizeof(union Keytype)); |
| memset((u8 *)&ptarget_sta-> |
| tkiptxmickey, |
| 0, |
| sizeof(union Keytype)); |
| memset((u8 *)&ptarget_sta-> |
| txpn, 0, |
| sizeof(union pn48)); |
| memset((u8 *)&ptarget_sta-> |
| rxpn, 0, |
| sizeof(union pn48)); |
| } |
| } else { |
| if (check_fwstate(pmlmepriv, |
| _FW_UNDER_LINKING)) |
| pmlmepriv->fw_state ^= |
| _FW_UNDER_LINKING; |
| goto ignore_joinbss_callback; |
| } |
| } |
| |
| /*s3. update cur_network & indicate connect*/ |
| memcpy(&cur_network->network, &pnetwork->network, |
| pnetwork->network.Length); |
| cur_network->aid = pnetwork->join_res; |
| /*update fw_state will clr _FW_UNDER_LINKING*/ |
| switch (pnetwork->network.InfrastructureMode) { |
| case Ndis802_11Infrastructure: |
| 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; |
| } |
| r8712_update_protection(adapter, |
| (cur_network->network.IEs) + |
| sizeof(struct NDIS_802_11_FIXED_IEs), |
| (cur_network->network.IELength)); |
| /*TODO: update HT_Capability*/ |
| update_ht_cap(adapter, cur_network->network.IEs, |
| cur_network->network.IELength); |
| /*indicate connect*/ |
| if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) |
| r8712_indicate_connect(adapter); |
| del_timer(&pmlmepriv->assoc_timer); |
| } else { |
| goto ignore_joinbss_callback; |
| } |
| } else { |
| if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) { |
| mod_timer(&pmlmepriv->assoc_timer, |
| jiffies + msecs_to_jiffies(1)); |
| _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING); |
| } |
| } |
| ignore_joinbss_callback: |
| spin_unlock_irqrestore(&pmlmepriv->lock, irqL); |
| if (sizeof(struct list_head) == 4 * sizeof(u32)) |
| kfree(pnetwork); |
| } |
| |
| void r8712_stassoc_event_callback(struct _adapter *adapter, u8 *pbuf) |
| { |
| unsigned long irqL; |
| struct sta_info *psta; |
| struct mlme_priv *pmlmepriv = &(adapter->mlmepriv); |
| struct stassoc_event *pstassoc = (struct stassoc_event *)pbuf; |
| |
| /* to do: */ |
| if (!r8712_access_ctrl(&adapter->acl_list, pstassoc->macaddr)) |
| return; |
| psta = r8712_get_stainfo(&adapter->stapriv, pstassoc->macaddr); |
| if (psta != NULL) { |
| /*the sta have been in sta_info_queue => do nothing |
| *(between drv has received this event before and |
| * fw have not yet to set key to CAM_ENTRY) |
| */ |
| return; |
| } |
| |
| psta = r8712_alloc_stainfo(&adapter->stapriv, pstassoc->macaddr); |
| if (psta == NULL) |
| return; |
| /* to do : init sta_info variable */ |
| psta->qos_option = 0; |
| psta->mac_id = le32_to_cpu(pstassoc->cam_id); |
| /* psta->aid = (uint)pstassoc->cam_id; */ |
| |
| if (adapter->securitypriv.AuthAlgrthm == 2) |
| psta->XPrivacy = adapter->securitypriv.PrivacyAlgrthm; |
| psta->ieee8021x_blocked = false; |
| spin_lock_irqsave(&pmlmepriv->lock, irqL); |
| if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) || |
| check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) { |
| if (adapter->stapriv.asoc_sta_count == 2) { |
| /* a sta + bc/mc_stainfo (not Ibss_stainfo) */ |
| r8712_indicate_connect(adapter); |
| } |
| } |
| spin_unlock_irqrestore(&pmlmepriv->lock, irqL); |
| } |
| |
| void r8712_stadel_event_callback(struct _adapter *adapter, u8 *pbuf) |
| { |
| unsigned long irqL, irqL2; |
| 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; |
| |
| spin_lock_irqsave(&pmlmepriv->lock, irqL2); |
| if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) { |
| r8712_ind_disconnect(adapter); |
| r8712_free_assoc_resources(adapter); |
| } |
| if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE | |
| WIFI_ADHOC_STATE)) { |
| psta = r8712_get_stainfo(&adapter->stapriv, pstadel->macaddr); |
| spin_lock_irqsave(&pstapriv->sta_hash_lock, irqL); |
| r8712_free_stainfo(adapter, psta); |
| spin_unlock_irqrestore(&pstapriv->sta_hash_lock, irqL); |
| if (adapter->stapriv.asoc_sta_count == 1) { |
| /*a sta + bc/mc_stainfo (not Ibss_stainfo) */ |
| pwlan = r8712_find_network(&pmlmepriv->scanned_queue, |
| tgt_network->network.MacAddress); |
| if (pwlan) { |
| pwlan->fixed = false; |
| free_network_nolock(pmlmepriv, pwlan); |
| } |
| /*re-create ibss*/ |
| pdev_network = &(adapter->registrypriv.dev_network); |
| pibss = adapter->registrypriv.dev_network.MacAddress; |
| memcpy(pdev_network, &tgt_network->network, |
| r8712_get_wlan_bssid_ex_sz(&tgt_network-> |
| network)); |
| memcpy(&pdev_network->Ssid, |
| &pmlmepriv->assoc_ssid, |
| sizeof(struct ndis_802_11_ssid)); |
| r8712_update_registrypriv_dev_network(adapter); |
| r8712_generate_random_ibss(pibss); |
| if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) { |
| _clr_fwstate_(pmlmepriv, WIFI_ADHOC_STATE); |
| set_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE); |
| } |
| } |
| } |
| spin_unlock_irqrestore(&pmlmepriv->lock, irqL2); |
| } |
| |
| void r8712_cpwm_event_callback(struct _adapter *adapter, u8 *pbuf) |
| { |
| struct reportpwrstate_parm *preportpwrstate = |
| (struct reportpwrstate_parm *)pbuf; |
| |
| preportpwrstate->state |= (u8)(adapter->pwrctrlpriv.cpwm_tog + 0x80); |
| r8712_cpwm_int_hdl(adapter, preportpwrstate); |
| } |
| |
| /* When the Netgear 3500 AP is with WPA2PSK-AES mode, it will send |
| * the ADDBA req frame with start seq control = 0 to wifi client after |
| * the WPA handshake and the seqence number of following data packet |
| * will be 0. In this case, the Rx reorder sequence is not longer than 0 |
| * and the WiFi client will drop the data with seq number 0. |
| * So, the 8712 firmware has to inform driver with receiving the |
| * ADDBA-Req frame so that the driver can reset the |
| * sequence value of Rx reorder control. |
| */ |
| void r8712_got_addbareq_event_callback(struct _adapter *adapter, u8 *pbuf) |
| { |
| struct ADDBA_Req_Report_parm *pAddbareq_pram = |
| (struct ADDBA_Req_Report_parm *)pbuf; |
| struct sta_info *psta; |
| struct sta_priv *pstapriv = &adapter->stapriv; |
| struct recv_reorder_ctrl *precvreorder_ctrl = NULL; |
| |
| psta = r8712_get_stainfo(pstapriv, pAddbareq_pram->MacAddress); |
| if (psta) { |
| precvreorder_ctrl = |
| &psta->recvreorder_ctrl[pAddbareq_pram->tid]; |
| /* set the indicate_seq to 0xffff so that the rx reorder |
| * can store any following data packet. |
| */ |
| precvreorder_ctrl->indicate_seq = 0xffff; |
| } |
| } |
| |
| void r8712_wpspbc_event_callback(struct _adapter *adapter, u8 *pbuf) |
| { |
| if (!adapter->securitypriv.wps_hw_pbc_pressed) |
| adapter->securitypriv.wps_hw_pbc_pressed = true; |
| } |
| |
| void _r8712_sitesurvey_ctrl_handler(struct _adapter *adapter) |
| { |
| struct mlme_priv *pmlmepriv = &adapter->mlmepriv; |
| struct sitesurvey_ctrl *psitesurveyctrl = &pmlmepriv->sitesurveyctrl; |
| struct registry_priv *pregistrypriv = &adapter->registrypriv; |
| u64 current_tx_pkts; |
| uint current_rx_pkts; |
| |
| current_tx_pkts = (adapter->xmitpriv.tx_pkts) - |
| (psitesurveyctrl->last_tx_pkts); |
| current_rx_pkts = (adapter->recvpriv.rx_pkts) - |
| (psitesurveyctrl->last_rx_pkts); |
| psitesurveyctrl->last_tx_pkts = adapter->xmitpriv.tx_pkts; |
| psitesurveyctrl->last_rx_pkts = adapter->recvpriv.rx_pkts; |
| if ((current_tx_pkts > pregistrypriv->busy_thresh) || |
| (current_rx_pkts > pregistrypriv->busy_thresh)) |
| psitesurveyctrl->traffic_busy = true; |
| else |
| psitesurveyctrl->traffic_busy = false; |
| } |
| |
| void _r8712_join_timeout_handler(struct _adapter *adapter) |
| { |
| unsigned long irqL; |
| struct mlme_priv *pmlmepriv = &adapter->mlmepriv; |
| |
| if (adapter->bDriverStopped || adapter->bSurpriseRemoved) |
| return; |
| spin_lock_irqsave(&pmlmepriv->lock, irqL); |
| _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING); |
| pmlmepriv->to_join = false; |
| if (check_fwstate(pmlmepriv, _FW_LINKED)) { |
| r8712_os_indicate_disconnect(adapter); |
| _clr_fwstate_(pmlmepriv, _FW_LINKED); |
| } |
| if (adapter->pwrctrlpriv.pwr_mode != adapter->registrypriv.power_mgnt) { |
| r8712_set_ps_mode(adapter, adapter->registrypriv.power_mgnt, |
| adapter->registrypriv.smart_ps); |
| } |
| spin_unlock_irqrestore(&pmlmepriv->lock, irqL); |
| } |
| |
| void r8712_scan_timeout_handler (struct _adapter *adapter) |
| { |
| unsigned long irqL; |
| struct mlme_priv *pmlmepriv = &adapter->mlmepriv; |
| |
| spin_lock_irqsave(&pmlmepriv->lock, irqL); |
| _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY); |
| pmlmepriv->to_join = false; /* scan fail, so clear to_join flag */ |
| spin_unlock_irqrestore(&pmlmepriv->lock, irqL); |
| } |
| |
| void _r8712_dhcp_timeout_handler (struct _adapter *adapter) |
| { |
| if (adapter->bDriverStopped || adapter->bSurpriseRemoved) |
| return; |
| if (adapter->pwrctrlpriv.pwr_mode != adapter->registrypriv.power_mgnt) |
| r8712_set_ps_mode(adapter, adapter->registrypriv.power_mgnt, |
| adapter->registrypriv.smart_ps); |
| } |
| |
| void _r8712_wdg_timeout_handler(struct _adapter *adapter) |
| { |
| r8712_wdg_wk_cmd(adapter); |
| } |
| |
| int r8712_select_and_join_from_scan(struct mlme_priv *pmlmepriv) |
| { |
| struct list_head *phead; |
| unsigned char *dst_ssid, *src_ssid; |
| struct _adapter *adapter; |
| struct __queue *queue = NULL; |
| struct wlan_network *pnetwork = NULL; |
| struct wlan_network *pnetwork_max_rssi = NULL; |
| |
| adapter = (struct _adapter *)pmlmepriv->nic_hdl; |
| queue = &pmlmepriv->scanned_queue; |
| phead = &queue->queue; |
| pmlmepriv->pscanned = phead->next; |
| while (1) { |
| if (end_of_queue_search(phead, pmlmepriv->pscanned)) { |
| if ((pmlmepriv->assoc_by_rssi) && |
| (pnetwork_max_rssi != NULL)) { |
| pnetwork = pnetwork_max_rssi; |
| goto ask_for_joinbss; |
| } |
| return _FAIL; |
| } |
| pnetwork = container_of(pmlmepriv->pscanned, |
| struct wlan_network, list); |
| if (pnetwork == NULL) |
| return _FAIL; |
| pmlmepriv->pscanned = pmlmepriv->pscanned->next; |
| if (pmlmepriv->assoc_by_bssid) { |
| dst_ssid = pnetwork->network.MacAddress; |
| src_ssid = pmlmepriv->assoc_bssid; |
| if (!memcmp(dst_ssid, src_ssid, ETH_ALEN)) { |
| if (check_fwstate(pmlmepriv, _FW_LINKED)) { |
| if (is_same_network(&pmlmepriv-> |
| cur_network.network, |
| &pnetwork->network)) { |
| _clr_fwstate_(pmlmepriv, |
| _FW_UNDER_LINKING); |
| /*r8712_indicate_connect again*/ |
| r8712_indicate_connect(adapter); |
| return 2; |
| } |
| r8712_disassoc_cmd(adapter); |
| r8712_ind_disconnect(adapter); |
| r8712_free_assoc_resources(adapter); |
| } |
| goto ask_for_joinbss; |
| } |
| } else if (pmlmepriv->assoc_ssid.SsidLength == 0) { |
| goto ask_for_joinbss; |
| } |
| dst_ssid = pnetwork->network.Ssid.Ssid; |
| src_ssid = pmlmepriv->assoc_ssid.Ssid; |
| if ((pnetwork->network.Ssid.SsidLength == |
| pmlmepriv->assoc_ssid.SsidLength) && |
| (!memcmp(dst_ssid, src_ssid, |
| pmlmepriv->assoc_ssid.SsidLength))) { |
| if (pmlmepriv->assoc_by_rssi) { |
| /* if the ssid is the same, select the bss |
| * which has the max rssi |
| */ |
| if (pnetwork_max_rssi) { |
| if (pnetwork->network.Rssi > |
| pnetwork_max_rssi->network.Rssi) |
| pnetwork_max_rssi = pnetwork; |
| } else { |
| pnetwork_max_rssi = pnetwork; |
| } |
| } else if (is_desired_network(adapter, pnetwork)) { |
| if (check_fwstate(pmlmepriv, _FW_LINKED)) { |
| r8712_disassoc_cmd(adapter); |
| r8712_free_assoc_resources(adapter); |
| } |
| goto ask_for_joinbss; |
| } |
| } |
| } |
| |
| ask_for_joinbss: |
| return r8712_joinbss_cmd(adapter, pnetwork); |
| } |
| |
| sint r8712_set_auth(struct _adapter *adapter, |
| struct security_priv *psecuritypriv) |
| { |
| struct cmd_priv *pcmdpriv = &adapter->cmdpriv; |
| struct cmd_obj *pcmd; |
| struct setauth_parm *psetauthparm; |
| |
| pcmd = kmalloc(sizeof(*pcmd), GFP_ATOMIC); |
| if (!pcmd) |
| return _FAIL; |
| |
| psetauthparm = kzalloc(sizeof(*psetauthparm), GFP_ATOMIC); |
| if (!psetauthparm) { |
| kfree(pcmd); |
| return _FAIL; |
| } |
| psetauthparm->mode = (u8)psecuritypriv->AuthAlgrthm; |
| 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); |
| r8712_enqueue_cmd(pcmdpriv, pcmd); |
| return _SUCCESS; |
| } |
| |
| sint r8712_set_key(struct _adapter *adapter, |
| struct security_priv *psecuritypriv, |
| sint keyid) |
| { |
| struct cmd_priv *pcmdpriv = &adapter->cmdpriv; |
| struct cmd_obj *pcmd; |
| struct setkey_parm *psetkeyparm; |
| u8 keylen; |
| sint ret = _SUCCESS; |
| |
| pcmd = kmalloc(sizeof(*pcmd), GFP_ATOMIC); |
| if (!pcmd) |
| return _FAIL; |
| psetkeyparm = kzalloc(sizeof(*psetkeyparm), GFP_ATOMIC); |
| if (!psetkeyparm) { |
| ret = _FAIL; |
| goto err_free_cmd; |
| } |
| if (psecuritypriv->AuthAlgrthm == 2) { /* 802.1X */ |
| psetkeyparm->algorithm = |
| (u8)psecuritypriv->XGrpPrivacy; |
| } else { /* WEP */ |
| psetkeyparm->algorithm = |
| (u8)psecuritypriv->PrivacyAlgrthm; |
| } |
| psetkeyparm->keyid = (u8)keyid; |
| |
| switch (psetkeyparm->algorithm) { |
| case _WEP40_: |
| keylen = 5; |
| memcpy(psetkeyparm->key, |
| psecuritypriv->DefKey[keyid].skey, keylen); |
| break; |
| case _WEP104_: |
| keylen = 13; |
| memcpy(psetkeyparm->key, |
| psecuritypriv->DefKey[keyid].skey, keylen); |
| break; |
| case _TKIP_: |
| if (keyid < 1 || keyid > 2) { |
| ret = _FAIL; |
| goto err_free_parm; |
| } |
| keylen = 16; |
| memcpy(psetkeyparm->key, |
| &psecuritypriv->XGrpKey[keyid - 1], keylen); |
| psetkeyparm->grpkey = 1; |
| break; |
| case _AES_: |
| if (keyid < 1 || keyid > 2) { |
| ret = _FAIL; |
| goto err_free_parm; |
| } |
| keylen = 16; |
| memcpy(psetkeyparm->key, |
| &psecuritypriv->XGrpKey[keyid - 1], keylen); |
| psetkeyparm->grpkey = 1; |
| break; |
| default: |
| ret = _FAIL; |
| goto err_free_parm; |
| } |
| 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); |
| r8712_enqueue_cmd(pcmdpriv, pcmd); |
| return ret; |
| |
| err_free_parm: |
| kfree(psetkeyparm); |
| err_free_cmd: |
| kfree(pcmd); |
| return ret; |
| } |
| |
| /* adjust IEs for r8712_joinbss_cmd in WMM */ |
| int r8712_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(). |
| * |
| * 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; |
| i++; |
| |
| } 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; |
| } |
| |
| sint r8712_restruct_sec_ie(struct _adapter *adapter, u8 *in_ie, |
| u8 *out_ie, uint in_len) |
| { |
| u8 authmode = 0, match; |
| u8 sec_ie[255], uncst_oui[4], bkup_ie[255]; |
| u8 wpa_oui[4] = {0x0, 0x50, 0xf2, 0x01}; |
| uint ielength, cnt, remove_cnt; |
| int iEntry; |
| struct mlme_priv *pmlmepriv = &adapter->mlmepriv; |
| struct security_priv *psecuritypriv = &adapter->securitypriv; |
| uint ndisauthmode = psecuritypriv->ndisauthtype; |
| uint ndissecuritytype = psecuritypriv->ndisencryptstatus; |
| |
| if ((ndisauthmode == Ndis802_11AuthModeWPA) || |
| (ndisauthmode == Ndis802_11AuthModeWPAPSK)) { |
| authmode = _WPA_IE_ID_; |
| uncst_oui[0] = 0x0; |
| uncst_oui[1] = 0x50; |
| uncst_oui[2] = 0xf2; |
| } |
| if ((ndisauthmode == Ndis802_11AuthModeWPA2) || |
| (ndisauthmode == Ndis802_11AuthModeWPA2PSK)) { |
| authmode = _WPA2_IE_ID_; |
| uncst_oui[0] = 0x0; |
| uncst_oui[1] = 0x0f; |
| uncst_oui[2] = 0xac; |
| } |
| switch (ndissecuritytype) { |
| case Ndis802_11Encryption1Enabled: |
| case Ndis802_11Encryption1KeyAbsent: |
| uncst_oui[3] = 0x1; |
| break; |
| case Ndis802_11Encryption2Enabled: |
| case Ndis802_11Encryption2KeyAbsent: |
| uncst_oui[3] = 0x2; |
| break; |
| case Ndis802_11Encryption3Enabled: |
| case Ndis802_11Encryption3KeyAbsent: |
| uncst_oui[3] = 0x4; |
| break; |
| default: |
| break; |
| } |
| /*Search required WPA or WPA2 IE and copy to sec_ie[] */ |
| cnt = 12; |
| match = false; |
| while (cnt < in_len) { |
| if (in_ie[cnt] == authmode) { |
| if ((authmode == _WPA_IE_ID_) && |
| (!memcmp(&in_ie[cnt + 2], &wpa_oui[0], 4))) { |
| memcpy(&sec_ie[0], &in_ie[cnt], |
| in_ie[cnt + 1] + 2); |
| match = true; |
| break; |
| } |
| if (authmode == _WPA2_IE_ID_) { |
| memcpy(&sec_ie[0], &in_ie[cnt], |
| in_ie[cnt + 1] + 2); |
| match = true; |
| break; |
| } |
| if (((authmode == _WPA_IE_ID_) && |
| (!memcmp(&in_ie[cnt + 2], &wpa_oui[0], 4))) || |
| (authmode == _WPA2_IE_ID_)) |
| memcpy(&bkup_ie[0], &in_ie[cnt], |
| in_ie[cnt + 1] + 2); |
| } |
| cnt += in_ie[cnt + 1] + 2; /*get next*/ |
| } |
| /*restruct WPA IE or WPA2 IE in sec_ie[] */ |
| if (match) { |
| if (sec_ie[0] == _WPA_IE_ID_) { |
| /* parsing SSN IE to select required encryption |
| * algorithm, and set the bc/mc encryption algorithm |
| */ |
| while (true) { |
| /*check wpa_oui tag*/ |
| if (memcmp(&sec_ie[2], &wpa_oui[0], 4)) { |
| match = false; |
| break; |
| } |
| if ((sec_ie[6] != 0x01) || (sec_ie[7] != 0x0)) { |
| /*IE Ver error*/ |
| match = false; |
| break; |
| } |
| if (!memcmp(&sec_ie[8], &wpa_oui[0], 3)) { |
| /* get bc/mc encryption type (group |
| * key type) |
| */ |
| switch (sec_ie[11]) { |
| case 0x0: /*none*/ |
| psecuritypriv->XGrpPrivacy = |
| _NO_PRIVACY_; |
| break; |
| case 0x1: /*WEP_40*/ |
| psecuritypriv->XGrpPrivacy = |
| _WEP40_; |
| break; |
| case 0x2: /*TKIP*/ |
| psecuritypriv->XGrpPrivacy = |
| _TKIP_; |
| break; |
| case 0x3: /*AESCCMP*/ |
| case 0x4: |
| psecuritypriv->XGrpPrivacy = |
| _AES_; |
| break; |
| case 0x5: /*WEP_104*/ |
| psecuritypriv->XGrpPrivacy = |
| _WEP104_; |
| break; |
| } |
| } else { |
| match = false; |
| break; |
| } |
| if (sec_ie[12] == 0x01) { |
| /*check the unicast encryption type*/ |
| if (memcmp(&sec_ie[14], |
| &uncst_oui[0], 4)) { |
| match = false; |
| break; |
| |
| } /*else the uncst_oui is match*/ |
| } else { /*mixed mode, unicast_enc_type > 1*/ |
| /*select the uncst_oui and remove |
| * the other uncst_oui |
| */ |
| cnt = sec_ie[12]; |
| remove_cnt = (cnt - 1) * 4; |
| sec_ie[12] = 0x01; |
| memcpy(&sec_ie[14], &uncst_oui[0], 4); |
| /*remove the other unicast suit*/ |
| memcpy(&sec_ie[18], |
| &sec_ie[18 + remove_cnt], |
| sec_ie[1] - 18 + 2 - |
| remove_cnt); |
| sec_ie[1] = sec_ie[1] - remove_cnt; |
| } |
| break; |
| } |
| } |
| if (authmode == _WPA2_IE_ID_) { |
| /* parsing RSN IE to select required encryption |
| * algorithm, and set the bc/mc encryption algorithm |
| */ |
| while (true) { |
| if ((sec_ie[2] != 0x01) || (sec_ie[3] != 0x0)) { |
| /*IE Ver error*/ |
| match = false; |
| break; |
| } |
| if (!memcmp(&sec_ie[4], &uncst_oui[0], 3)) { |
| /*get bc/mc encryption type*/ |
| switch (sec_ie[7]) { |
| case 0x1: /*WEP_40*/ |
| psecuritypriv->XGrpPrivacy = |
| _WEP40_; |
| break; |
| case 0x2: /*TKIP*/ |
| psecuritypriv->XGrpPrivacy = |
| _TKIP_; |
| break; |
| case 0x4: /*AESWRAP*/ |
| psecuritypriv->XGrpPrivacy = |
| _AES_; |
| break; |
| case 0x5: /*WEP_104*/ |
| psecuritypriv->XGrpPrivacy = |
| _WEP104_; |
| break; |
| default: /*one*/ |
| psecuritypriv->XGrpPrivacy = |
| _NO_PRIVACY_; |
| break; |
| } |
| } else { |
| match = false; |
| break; |
| } |
| if (sec_ie[8] == 0x01) { |
| /*check the unicast encryption type*/ |
| if (memcmp(&sec_ie[10], |
| &uncst_oui[0], 4)) { |
| match = false; |
| break; |
| } /*else the uncst_oui is match*/ |
| } else { /*mixed mode, unicast_enc_type > 1*/ |
| /*select the uncst_oui and remove the |
| * other uncst_oui |
| */ |
| cnt = sec_ie[8]; |
| remove_cnt = (cnt - 1) * 4; |
| sec_ie[8] = 0x01; |
| memcpy(&sec_ie[10], &uncst_oui[0], 4); |
| /*remove the other unicast suit*/ |
| memcpy(&sec_ie[14], |
| &sec_ie[14 + remove_cnt], |
| (sec_ie[1] - 14 + 2 - |
| remove_cnt)); |
| sec_ie[1] = sec_ie[1] - remove_cnt; |
| } |
| break; |
| } |
| } |
| } |
| if ((authmode == _WPA_IE_ID_) || (authmode == _WPA2_IE_ID_)) { |
| /*copy fixed ie*/ |
| memcpy(out_ie, in_ie, 12); |
| ielength = 12; |
| /*copy RSN or SSN*/ |
| if (match) { |
| memcpy(&out_ie[ielength], &sec_ie[0], sec_ie[1] + 2); |
| ielength += sec_ie[1] + 2; |
| if (authmode == _WPA2_IE_ID_) { |
| /*the Pre-Authentication bit should be zero*/ |
| out_ie[ielength - 1] = 0; |
| out_ie[ielength - 2] = 0; |
| } |
| r8712_report_sec_ie(adapter, authmode, sec_ie); |
| } |
| } else { |
| /*copy fixed ie only*/ |
| memcpy(out_ie, in_ie, 12); |
| ielength = 12; |
| if (psecuritypriv->wps_phase) { |
| memcpy(out_ie + ielength, psecuritypriv->wps_ie, |
| psecuritypriv->wps_ie_len); |
| ielength += psecuritypriv->wps_ie_len; |
| } |
| } |
| iEntry = SecIsInPMKIDList(adapter, pmlmepriv->assoc_bssid); |
| if (iEntry < 0) |
| return ielength; |
| if (authmode == _WPA2_IE_ID_) { |
| out_ie[ielength] = 1; |
| ielength++; |
| out_ie[ielength] = 0; /*PMKID count = 0x0100*/ |
| ielength++; |
| memcpy(&out_ie[ielength], |
| &psecuritypriv->PMKIDList[iEntry].PMKID, 16); |
| ielength += 16; |
| out_ie[13] += 18;/*PMKID length = 2+16*/ |
| } |
| return ielength; |
| } |
| |
| void r8712_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_CONFIGURATION); |
| 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 r8712_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 = cpu_to_le32(psecuritypriv->PrivacyAlgrthm |
| > 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: |
| pdev_network->NetworkTypeInUse = Ndis802_11OFDM24; |
| break; |
| case WIRELESS_11A: |
| pdev_network->NetworkTypeInUse = Ndis802_11OFDM5; |
| break; |
| default: |
| /* TODO */ |
| break; |
| } |
| pdev_network->Configuration.DSConfig = pregistrypriv->channel; |
| if (cur_network->network.InfrastructureMode == Ndis802_11IBSS) |
| pdev_network->Configuration.ATIMWindow = 3; |
| pdev_network->InfrastructureMode = cur_network->network.InfrastructureMode; |
| /* 1. Supported rates |
| * 2. IE |
| */ |
| sz = r8712_generate_ie(pregistrypriv); |
| pdev_network->IELength = sz; |
| pdev_network->Length = r8712_get_wlan_bssid_ex_sz(pdev_network); |
| } |
| |
| /*the function is at passive_level*/ |
| void r8712_joinbss_reset(struct _adapter *padapter) |
| { |
| int i; |
| 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 |
| */ |
| phtpriv->ampdu_enable = false;/*reset to disabled*/ |
| for (i = 0; i < 16; i++) |
| phtpriv->baddbareq_issued[i] = false;/*reset it*/ |
| if (phtpriv->ht_option) { |
| /* validate usb rx aggregation */ |
| r8712_write8(padapter, 0x102500D9, 48);/*TH = 48 pages, 6k*/ |
| } else { |
| /* invalidate usb rx aggregation */ |
| /* TH=1 => means that invalidate usb rx aggregation */ |
| r8712_write8(padapter, 0x102500D9, 1); |
| } |
| } |
| |
| /*the function is >= passive_level*/ |
| unsigned int r8712_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 = 0; |
| p = r8712_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; |
| r8712_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 | |
| IEEE80211_HT_CAP_SGI_20 | |
| IEEE80211_HT_CAP_SGI_40 | |
| IEEE80211_HT_CAP_TX_STBC | |
| IEEE80211_HT_CAP_MAX_AMSDU | |
| IEEE80211_HT_CAP_DSSSCCK40); |
| ht_capie.ampdu_params_info = (IEEE80211_HT_CAP_AMPDU_FACTOR & |
| 0x03) | (IEEE80211_HT_CAP_AMPDU_DENSITY & 0x00); |
| r8712_set_ie(out_ie + out_len, _HT_CAPABILITY_IE_, |
| sizeof(struct ieee80211_ht_cap), |
| (unsigned char *)&ht_capie, pout_len); |
| phtpriv->ht_option = 1; |
| } |
| return phtpriv->ht_option; |
| } |
| |
| /* the function is > passive_level (in critical_section) */ |
| static void update_ht_cap(struct _adapter *padapter, u8 *pie, uint ie_len) |
| { |
| u8 *p, max_ampdu_sz; |
| int i, len; |
| struct sta_info *bmc_sta, *psta; |
| struct ieee80211_ht_cap *pht_capie; |
| struct recv_reorder_ctrl *preorder_ctrl; |
| struct mlme_priv *pmlmepriv = &padapter->mlmepriv; |
| struct ht_priv *phtpriv = &pmlmepriv->htpriv; |
| struct registry_priv *pregistrypriv = &padapter->registrypriv; |
| struct wlan_network *pcur_network = &(pmlmepriv->cur_network); |
| |
| if (!phtpriv->ht_option) |
| return; |
| /* maybe needs check if ap supports rx ampdu. */ |
| if (!phtpriv->ampdu_enable && |
| (pregistrypriv->ampdu_enable == 1)) |
| phtpriv->ampdu_enable = true; |
| /*check Max Rx A-MPDU Size*/ |
| len = 0; |
| p = r8712_get_ie(pie + sizeof(struct NDIS_802_11_FIXED_IEs), |
| _HT_CAPABILITY_IE_, |
| &len, ie_len - |
| sizeof(struct NDIS_802_11_FIXED_IEs)); |
| if (p && len > 0) { |
| pht_capie = (struct ieee80211_ht_cap *)(p + 2); |
| max_ampdu_sz = (pht_capie->ampdu_params_info & |
| IEEE80211_HT_CAP_AMPDU_FACTOR); |
| /* max_ampdu_sz (kbytes); */ |
| max_ampdu_sz = 1 << (max_ampdu_sz + 3); |
| phtpriv->rx_ampdu_maxlen = max_ampdu_sz; |
| } |
| /* 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 |
| */ |
| bmc_sta = r8712_get_bcmc_stainfo(padapter); |
| if (bmc_sta) { |
| for (i = 0; i < 16; i++) { |
| preorder_ctrl = &bmc_sta->recvreorder_ctrl[i]; |
| preorder_ctrl->indicate_seq = 0xffff; |
| preorder_ctrl->wend_b = 0xffff; |
| } |
| } |
| psta = r8712_get_stainfo(&padapter->stapriv, |
| pcur_network->network.MacAddress); |
| if (psta) { |
| for (i = 0; i < 16; i++) { |
| preorder_ctrl = &psta->recvreorder_ctrl[i]; |
| preorder_ctrl->indicate_seq = 0xffff; |
| preorder_ctrl->wend_b = 0xffff; |
| } |
| } |
| len = 0; |
| p = r8712_get_ie(pie + sizeof(struct NDIS_802_11_FIXED_IEs), |
| _HT_ADD_INFO_IE_, &len, |
| ie_len - sizeof(struct NDIS_802_11_FIXED_IEs)); |
| } |
| |
| void r8712_issue_addbareq_cmd(struct _adapter *padapter, int priority) |
| { |
| struct mlme_priv *pmlmepriv = &padapter->mlmepriv; |
| struct ht_priv *phtpriv = &pmlmepriv->htpriv; |
| |
| if ((phtpriv->ht_option == 1) && (phtpriv->ampdu_enable)) { |
| if (!phtpriv->baddbareq_issued[priority]) { |
| r8712_addbareq_cmd(padapter, (u8)priority); |
| phtpriv->baddbareq_issued[priority] = true; |
| } |
| } |
| } |