+++ /dev/null
-/******************************************************************************
- *
- * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
- *
- * 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.
- *
- ******************************************************************************/
-#define _RTW_STA_MGT_C_
-
-#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 <rtl8723a_hal.h>
-
-static const u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
-
-static void _rtw_init_stainfo(struct sta_info *psta)
-{
- memset((u8 *)psta, 0, sizeof(struct sta_info));
- spin_lock_init(&psta->lock);
- INIT_LIST_HEAD(&psta->list);
- INIT_LIST_HEAD(&psta->hash_list);
- _rtw_init_queue23a(&psta->sleep_q);
- psta->sleepq_len = 0;
- _rtw_init_sta_xmit_priv23a(&psta->sta_xmitpriv);
- _rtw_init_sta_recv_priv23a(&psta->sta_recvpriv);
-#ifdef CONFIG_8723AU_AP_MODE
- INIT_LIST_HEAD(&psta->asoc_list);
- INIT_LIST_HEAD(&psta->auth_list);
- psta->expire_to = 0;
- psta->flags = 0;
- psta->capability = 0;
- psta->bpairwise_key_installed = false;
- psta->nonerp_set = 0;
- psta->no_short_slot_time_set = 0;
- psta->no_short_preamble_set = 0;
- psta->no_ht_gf_set = 0;
- psta->no_ht_set = 0;
- psta->ht_20mhz_set = 0;
- psta->keep_alive_trycnt = 0;
-#endif /* CONFIG_8723AU_AP_MODE */
-}
-
-int _rtw_init_sta_priv23a(struct sta_priv *pstapriv)
-{
- int i;
-
- spin_lock_init(&pstapriv->sta_hash_lock);
- pstapriv->asoc_sta_count = 0;
- for (i = 0; i < NUM_STA; i++)
- INIT_LIST_HEAD(&pstapriv->sta_hash[i]);
-
-#ifdef CONFIG_8723AU_AP_MODE
- pstapriv->sta_dz_bitmap = 0;
- pstapriv->tim_bitmap = 0;
- INIT_LIST_HEAD(&pstapriv->asoc_list);
- INIT_LIST_HEAD(&pstapriv->auth_list);
- spin_lock_init(&pstapriv->asoc_list_lock);
- spin_lock_init(&pstapriv->auth_list_lock);
- pstapriv->asoc_list_cnt = 0;
- pstapriv->auth_list_cnt = 0;
- pstapriv->auth_to = 3; /* 3*2 = 6 sec */
- pstapriv->assoc_to = 3;
- /* pstapriv->expire_to = 900; 900*2 = 1800 sec = 30 min,
- expire after no any traffic. */
- /* pstapriv->expire_to = 30; 30*2 = 60 sec = 1 min,
- expire after no any traffic. */
- pstapriv->expire_to = 3; /* 3*2 = 6 sec */
- pstapriv->max_num_sta = NUM_STA;
-#endif
- return _SUCCESS;
-}
-
-int _rtw_free_sta_priv23a(struct sta_priv *pstapriv)
-{
- struct list_head *phead;
- struct sta_info *psta, *ptmp;
- struct recv_reorder_ctrl *preorder_ctrl;
- int index;
-
- if (pstapriv) {
- /* delete all reordering_ctrl_timer */
- spin_lock_bh(&pstapriv->sta_hash_lock);
- for (index = 0; index < NUM_STA; index++) {
- phead = &pstapriv->sta_hash[index];
- list_for_each_entry_safe(psta, ptmp, phead, hash_list) {
- int i;
-
- for (i = 0; i < 16 ; i++) {
- preorder_ctrl = &psta->recvreorder_ctrl[i];
- del_timer_sync(&preorder_ctrl->reordering_ctrl_timer);
- }
- }
- }
- spin_unlock_bh(&pstapriv->sta_hash_lock);
- /*===============================*/
- }
- return _SUCCESS;
-}
-
-struct sta_info *
-rtw_alloc_stainfo23a(struct sta_priv *pstapriv, const u8 *hwaddr, gfp_t gfp)
-{
- struct list_head *phash_list;
- struct sta_info *psta;
- struct recv_reorder_ctrl *preorder_ctrl;
- s32 index;
- int i = 0;
- u16 wRxSeqInitialValue = 0xffff;
-
- psta = kmalloc(sizeof(struct sta_info), gfp);
- if (!psta)
- return NULL;
-
- spin_lock_bh(&pstapriv->sta_hash_lock);
-
- _rtw_init_stainfo(psta);
-
- psta->padapter = pstapriv->padapter;
-
- ether_addr_copy(psta->hwaddr, hwaddr);
-
- index = wifi_mac_hash(hwaddr);
-
- RT_TRACE(_module_rtl871x_sta_mgt_c_, _drv_info_,
- "rtw_alloc_stainfo23a: index = %x\n", index);
- if (index >= NUM_STA) {
- RT_TRACE(_module_rtl871x_sta_mgt_c_, _drv_err_,
- "ERROR => rtw_alloc_stainfo23a: index >= NUM_STA\n");
- psta = NULL;
- goto exit;
- }
- phash_list = &pstapriv->sta_hash[index];
-
- list_add_tail(&psta->hash_list, phash_list);
-
- pstapriv->asoc_sta_count++;
-
-/* For the SMC router, the sequence number of first packet of WPS
- handshake will be 0. */
-/* In this case, this packet will be dropped by recv_decache function
- if we use the 0x00 as the default value for tid_rxseq variable. */
-/* So, we initialize the tid_rxseq variable as the 0xffff. */
-
- for (i = 0; i < 16; i++)
- memcpy(&psta->sta_recvpriv.rxcache.tid_rxseq[i],
- &wRxSeqInitialValue, 2);
-
- RT_TRACE(_module_rtl871x_sta_mgt_c_, _drv_info_,
- "alloc number_%d stainfo with hwaddr = %pM\n",
- pstapriv->asoc_sta_count, hwaddr);
-
- init_addba_retry_timer23a(psta);
-
- /* for A-MPDU Rx reordering buffer control */
- for (i = 0; i < 16; i++) {
- preorder_ctrl = &psta->recvreorder_ctrl[i];
-
- preorder_ctrl->padapter = pstapriv->padapter;
-
- preorder_ctrl->enable = false;
-
- preorder_ctrl->indicate_seq = 0xffff;
- preorder_ctrl->wend_b = 0xffff;
- /* preorder_ctrl->wsize_b = (NR_RECVBUFF-2); */
- preorder_ctrl->wsize_b = 64;/* 64; */
-
- _rtw_init_queue23a(&preorder_ctrl->pending_recvframe_queue);
-
- rtw_init_recv_timer23a(preorder_ctrl);
- }
- /* init for DM */
- psta->rssi_stat.UndecoratedSmoothedPWDB = (-1);
- psta->rssi_stat.UndecoratedSmoothedCCK = (-1);
-
- /* init for the sequence number of received management frame */
- psta->RxMgmtFrameSeqNum = 0xffff;
-exit:
- spin_unlock_bh(&pstapriv->sta_hash_lock);
- return psta;
-}
-
-/* using pstapriv->sta_hash_lock to protect */
-int rtw_free_stainfo23a(struct rtw_adapter *padapter, struct sta_info *psta)
-{
- struct recv_reorder_ctrl *preorder_ctrl;
- struct sta_xmit_priv *pstaxmitpriv;
- struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
- struct sta_priv *pstapriv = &padapter->stapriv;
- struct hw_xmit *phwxmit;
- int i;
-
- if (!psta)
- goto exit;
-
- spin_lock_bh(&psta->lock);
- psta->state &= ~_FW_LINKED;
- spin_unlock_bh(&psta->lock);
-
- pstaxmitpriv = &psta->sta_xmitpriv;
-
- spin_lock_bh(&pxmitpriv->lock);
-
- rtw_free_xmitframe_queue23a(pxmitpriv, &psta->sleep_q);
- psta->sleepq_len = 0;
-
- /* vo */
- rtw_free_xmitframe_queue23a(pxmitpriv, &pstaxmitpriv->vo_q.sta_pending);
- list_del_init(&pstaxmitpriv->vo_q.tx_pending);
- phwxmit = pxmitpriv->hwxmits;
- phwxmit->accnt -= pstaxmitpriv->vo_q.qcnt;
- pstaxmitpriv->vo_q.qcnt = 0;
-
- /* vi */
- rtw_free_xmitframe_queue23a(pxmitpriv, &pstaxmitpriv->vi_q.sta_pending);
- list_del_init(&pstaxmitpriv->vi_q.tx_pending);
- phwxmit = pxmitpriv->hwxmits+1;
- phwxmit->accnt -= pstaxmitpriv->vi_q.qcnt;
- pstaxmitpriv->vi_q.qcnt = 0;
-
- /* be */
- rtw_free_xmitframe_queue23a(pxmitpriv, &pstaxmitpriv->be_q.sta_pending);
- list_del_init(&pstaxmitpriv->be_q.tx_pending);
- phwxmit = pxmitpriv->hwxmits+2;
- phwxmit->accnt -= pstaxmitpriv->be_q.qcnt;
- pstaxmitpriv->be_q.qcnt = 0;
-
- /* bk */
- rtw_free_xmitframe_queue23a(pxmitpriv, &pstaxmitpriv->bk_q.sta_pending);
- list_del_init(&pstaxmitpriv->bk_q.tx_pending);
- phwxmit = pxmitpriv->hwxmits+3;
- phwxmit->accnt -= pstaxmitpriv->bk_q.qcnt;
- pstaxmitpriv->bk_q.qcnt = 0;
-
- spin_unlock_bh(&pxmitpriv->lock);
-
- list_del_init(&psta->hash_list);
- RT_TRACE(_module_rtl871x_sta_mgt_c_, _drv_err_,
- "free number_%d stainfo with hwaddr = %pM\n",
- pstapriv->asoc_sta_count, psta->hwaddr);
- pstapriv->asoc_sta_count--;
-
- /* re-init sta_info; 20061114 will be init in alloc_stainfo */
- /* _rtw_init_sta_xmit_priv23a(&psta->sta_xmitpriv); */
- /* _rtw_init_sta_recv_priv23a(&psta->sta_recvpriv); */
-
- del_timer_sync(&psta->addba_retry_timer);
-
- /* for A-MPDU Rx reordering buffer control,
- cancel reordering_ctrl_timer */
- for (i = 0; i < 16; i++) {
- struct list_head *phead, *plist;
- struct recv_frame *prframe;
- struct rtw_queue *ppending_recvframe_queue;
-
- preorder_ctrl = &psta->recvreorder_ctrl[i];
-
- del_timer_sync(&preorder_ctrl->reordering_ctrl_timer);
-
- ppending_recvframe_queue =
- &preorder_ctrl->pending_recvframe_queue;
-
- spin_lock_bh(&ppending_recvframe_queue->lock);
- phead = get_list_head(ppending_recvframe_queue);
- plist = phead->next;
-
- while (!list_empty(phead)) {
- prframe = container_of(plist, struct recv_frame, list);
- plist = plist->next;
- list_del_init(&prframe->list);
- rtw_free_recvframe23a(prframe);
- }
- spin_unlock_bh(&ppending_recvframe_queue->lock);
- }
- if (!(psta->state & WIFI_AP_STATE))
- rtl8723a_SetHalODMVar(padapter, HAL_ODM_STA_INFO, psta, false);
-#ifdef CONFIG_8723AU_AP_MODE
- spin_lock_bh(&pstapriv->auth_list_lock);
- if (!list_empty(&psta->auth_list)) {
- list_del_init(&psta->auth_list);
- pstapriv->auth_list_cnt--;
- }
- spin_unlock_bh(&pstapriv->auth_list_lock);
-
- psta->expire_to = 0;
-
- psta->sleepq_ac_len = 0;
- psta->qos_info = 0;
-
- psta->max_sp_len = 0;
- psta->uapsd_bk = 0;
- psta->uapsd_be = 0;
- psta->uapsd_vi = 0;
- psta->uapsd_vo = 0;
-
- psta->has_legacy_ac = 0;
-
- pstapriv->sta_dz_bitmap &= ~CHKBIT(psta->aid);
- pstapriv->tim_bitmap &= ~CHKBIT(psta->aid);
-
- if ((psta->aid > 0) && (pstapriv->sta_aid[psta->aid - 1] == psta)) {
- pstapriv->sta_aid[psta->aid - 1] = NULL;
- psta->aid = 0;
- }
-#endif /* CONFIG_8723AU_AP_MODE */
-
- kfree(psta);
-exit:
- return _SUCCESS;
-}
-
-/* free all stainfo which in sta_hash[all] */
-void rtw_free_all_stainfo23a(struct rtw_adapter *padapter)
-{
- struct list_head *phead;
- struct sta_info *psta, *ptmp;
- struct sta_priv *pstapriv = &padapter->stapriv;
- struct sta_info *pbcmc_stainfo = rtw_get_bcmc_stainfo23a(padapter);
- s32 index;
-
- if (pstapriv->asoc_sta_count == 1)
- return;
-
- spin_lock_bh(&pstapriv->sta_hash_lock);
- for (index = 0; index < NUM_STA; index++) {
- phead = &pstapriv->sta_hash[index];
- list_for_each_entry_safe(psta, ptmp, phead, hash_list) {
- if (pbcmc_stainfo != psta)
- rtw_free_stainfo23a(padapter, psta);
- }
- }
- spin_unlock_bh(&pstapriv->sta_hash_lock);
-}
-
-/* any station allocated can be searched by hash list */
-struct sta_info *rtw_get_stainfo23a(struct sta_priv *pstapriv, const u8 *hwaddr)
-{
- struct list_head *phead;
- struct sta_info *pos, *psta = NULL;
- u32 index;
- const u8 *addr;
-
- if (!hwaddr)
- return NULL;
-
- if (is_multicast_ether_addr(hwaddr))
- addr = bc_addr;
- else
- addr = hwaddr;
-
- index = wifi_mac_hash(addr);
-
- spin_lock_bh(&pstapriv->sta_hash_lock);
- phead = &pstapriv->sta_hash[index];
- list_for_each_entry(pos, phead, hash_list) {
- psta = pos;
-
- /* if found the matched address */
- if (ether_addr_equal(psta->hwaddr, addr))
- break;
-
- psta = NULL;
- }
- spin_unlock_bh(&pstapriv->sta_hash_lock);
- return psta;
-}
-
-int rtw_init_bcmc_stainfo23a(struct rtw_adapter *padapter)
-{
- struct sta_priv *pstapriv = &padapter->stapriv;
- struct sta_info *psta;
- struct tx_servq *ptxservq;
- int res = _SUCCESS;
-
- psta = rtw_alloc_stainfo23a(pstapriv, bc_addr, GFP_KERNEL);
- if (!psta) {
- res = _FAIL;
- RT_TRACE(_module_rtl871x_sta_mgt_c_, _drv_err_,
- "rtw_alloc_stainfo23a fail\n");
- return res;
- }
- /* default broadcast & multicast use macid 1 */
- psta->mac_id = 1;
-
- ptxservq = &psta->sta_xmitpriv.be_q;
- return _SUCCESS;
-}
-
-struct sta_info *rtw_get_bcmc_stainfo23a(struct rtw_adapter *padapter)
-{
- struct sta_info *psta;
- struct sta_priv *pstapriv = &padapter->stapriv;
-
- psta = rtw_get_stainfo23a(pstapriv, bc_addr);
- return psta;
-}
-
-bool rtw_access_ctrl23a(struct rtw_adapter *padapter, u8 *mac_addr)
-{
- bool res = true;
-#ifdef CONFIG_8723AU_AP_MODE
- struct list_head *phead;
- struct rtw_wlan_acl_node *paclnode;
- bool match = false;
- struct sta_priv *pstapriv = &padapter->stapriv;
- struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
- struct rtw_queue *pacl_node_q = &pacl_list->acl_node_q;
-
- spin_lock_bh(&pacl_node_q->lock);
- phead = get_list_head(pacl_node_q);
- list_for_each_entry(paclnode, phead, list) {
- if (ether_addr_equal(paclnode->addr, mac_addr)) {
- if (paclnode->valid) {
- match = true;
- break;
- }
- }
- }
- spin_unlock_bh(&pacl_node_q->lock);
-
- if (pacl_list->mode == 1)/* accept unless in deny list */
- res = (match) ? false : true;
- else if (pacl_list->mode == 2)/* deny unless in accept list */
- res = (match) ? true : false;
- else
- res = true;
-#endif
- return res;
-}
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