diff options
Diffstat (limited to 'drivers/staging/r8188eu/core/rtw_sta_mgt.c')
-rw-r--r-- | drivers/staging/r8188eu/core/rtw_sta_mgt.c | 490 |
1 files changed, 0 insertions, 490 deletions
diff --git a/drivers/staging/r8188eu/core/rtw_sta_mgt.c b/drivers/staging/r8188eu/core/rtw_sta_mgt.c deleted file mode 100644 index e1ae1859686e..000000000000 --- a/drivers/staging/r8188eu/core/rtw_sta_mgt.c +++ /dev/null @@ -1,490 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* Copyright(c) 2007 - 2011 Realtek Corporation. */ - -#define _RTW_STA_MGT_C_ - -#include "../include/osdep_service.h" -#include "../include/drv_types.h" -#include "../include/sta_info.h" - -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_queue(&psta->sleep_q); - psta->sleepq_len = 0; - - _rtw_init_sta_xmit_priv(&psta->sta_xmitpriv); - _rtw_init_sta_recv_priv(&psta->sta_recvpriv); - - 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->under_exist_checking = 0; - - psta->keep_alive_trycnt = 0; -} - -int _rtw_init_sta_priv(struct sta_priv *pstapriv) -{ - struct sta_info *psta; - s32 i; - - pstapriv->pallocated_stainfo_buf = vzalloc(sizeof(struct sta_info) * NUM_STA + 4); - - if (!pstapriv->pallocated_stainfo_buf) - return -ENOMEM; - - pstapriv->pstainfo_buf = pstapriv->pallocated_stainfo_buf + 4 - - ((size_t)(pstapriv->pallocated_stainfo_buf) & 3); - - rtw_init_queue(&pstapriv->free_sta_queue); - - spin_lock_init(&pstapriv->sta_hash_lock); - - pstapriv->asoc_sta_count = 0; - rtw_init_queue(&pstapriv->sleep_q); - rtw_init_queue(&pstapriv->wakeup_q); - - psta = (struct sta_info *)(pstapriv->pstainfo_buf); - - for (i = 0; i < NUM_STA; i++) { - _rtw_init_stainfo(psta); - - INIT_LIST_HEAD(&pstapriv->sta_hash[i]); - - list_add_tail(&psta->list, get_list_head(&pstapriv->free_sta_queue)); - - psta++; - } - - 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 = 3; /* 3*2 = 6 sec */ - pstapriv->max_num_sta = NUM_STA; - - return 0; -} - -inline int rtw_stainfo_offset(struct sta_priv *stapriv, struct sta_info *sta) -{ - return (((u8 *)sta) - stapriv->pstainfo_buf) / sizeof(struct sta_info); -} - -inline struct sta_info *rtw_get_stainfo_by_offset(struct sta_priv *stapriv, int offset) -{ - return (struct sta_info *)(stapriv->pstainfo_buf + offset * sizeof(struct sta_info)); -} - -void _rtw_free_sta_priv(struct sta_priv *pstapriv) -{ - struct list_head *phead, *plist; - struct sta_info *psta = NULL; - 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]; - plist = phead->next; - - while (phead != plist) { - int i; - psta = container_of(plist, struct sta_info, hash_list); - plist = plist->next; - - for (i = 0; i < 16; i++) { - preorder_ctrl = &psta->recvreorder_ctrl[i]; - _cancel_timer_ex(&preorder_ctrl->reordering_ctrl_timer); - } - } - } - spin_unlock_bh(&pstapriv->sta_hash_lock); - /*===============================*/ - - vfree(pstapriv->pallocated_stainfo_buf); - } -} - -static void _rtw_reordering_ctrl_timeout_handler(struct timer_list *t) -{ - struct recv_reorder_ctrl *preorder_ctrl; - - preorder_ctrl = from_timer(preorder_ctrl, t, reordering_ctrl_timer); - rtw_reordering_ctrl_timeout_handler(preorder_ctrl); -} - -static void rtw_init_recv_timer(struct recv_reorder_ctrl *preorder_ctrl) -{ - timer_setup(&preorder_ctrl->reordering_ctrl_timer, _rtw_reordering_ctrl_timeout_handler, 0); -} - -static void _addba_timer_hdl(struct timer_list *t) -{ - struct sta_info *psta = from_timer(psta, t, addba_retry_timer); - - addba_timer_hdl(psta); -} - -static void init_addba_retry_timer(struct adapter *padapter, struct sta_info *psta) -{ - timer_setup(&psta->addba_retry_timer, _addba_timer_hdl, 0); -} - -struct sta_info *rtw_alloc_stainfo(struct sta_priv *pstapriv, u8 *hwaddr) -{ - s32 index; - struct list_head *phash_list; - struct sta_info *psta; - struct __queue *pfree_sta_queue; - struct recv_reorder_ctrl *preorder_ctrl; - int i = 0; - u16 wRxSeqInitialValue = 0xffff; - - pfree_sta_queue = &pstapriv->free_sta_queue; - - spin_lock_bh(&pfree_sta_queue->lock); - - if (list_empty(&pfree_sta_queue->queue)) { - spin_unlock_bh(&pfree_sta_queue->lock); - psta = NULL; - } else { - psta = container_of((&pfree_sta_queue->queue)->next, struct sta_info, list); - list_del_init(&psta->list); - spin_unlock_bh(&pfree_sta_queue->lock); - _rtw_init_stainfo(psta); - memcpy(psta->hwaddr, hwaddr, ETH_ALEN); - index = wifi_mac_hash(hwaddr); - if (index >= NUM_STA) { - psta = NULL; - goto exit; - } - phash_list = &pstapriv->sta_hash[index]; - - spin_lock_bh(&pstapriv->sta_hash_lock); - - list_add_tail(&psta->hash_list, phash_list); - - pstapriv->asoc_sta_count++; - - spin_unlock_bh(&pstapriv->sta_hash_lock); - -/* Commented by Albert 2009/08/13 */ -/* 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); - - init_addba_retry_timer(pstapriv->padapter, 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 = 64;/* 64; */ - - rtw_init_queue(&preorder_ctrl->pending_recvframe_queue); - - rtw_init_recv_timer(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: - - return psta; -} - -/* using pstapriv->sta_hash_lock to protect */ -void rtw_free_stainfo(struct adapter *padapter, struct sta_info *psta) -{ - int i; - struct __queue *pfree_sta_queue; - struct recv_reorder_ctrl *preorder_ctrl; - struct sta_xmit_priv *pstaxmitpriv; - struct xmit_priv *pxmitpriv = &padapter->xmitpriv; - struct sta_priv *pstapriv = &padapter->stapriv; - - if (!psta) - return; - - pfree_sta_queue = &pstapriv->free_sta_queue; - - pstaxmitpriv = &psta->sta_xmitpriv; - - spin_lock_bh(&pxmitpriv->lock); - - rtw_free_xmitframe_list(pxmitpriv, get_list_head(&psta->sleep_q)); - psta->sleepq_len = 0; - - rtw_free_xmitframe_list(pxmitpriv, &pstaxmitpriv->vo_q.sta_pending); - - list_del_init(&pstaxmitpriv->vo_q.tx_pending); - - rtw_free_xmitframe_list(pxmitpriv, &pstaxmitpriv->vi_q.sta_pending); - - list_del_init(&pstaxmitpriv->vi_q.tx_pending); - - rtw_free_xmitframe_list(pxmitpriv, &pstaxmitpriv->bk_q.sta_pending); - - list_del_init(&pstaxmitpriv->bk_q.tx_pending); - - rtw_free_xmitframe_list(pxmitpriv, &pstaxmitpriv->be_q.sta_pending); - - list_del_init(&pstaxmitpriv->be_q.tx_pending); - - spin_unlock_bh(&pxmitpriv->lock); - - list_del_init(&psta->hash_list); - pstapriv->asoc_sta_count--; - - /* re-init sta_info; 20061114 */ - _rtw_init_sta_xmit_priv(&psta->sta_xmitpriv); - _rtw_init_sta_recv_priv(&psta->sta_recvpriv); - - _cancel_timer_ex(&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 __queue *ppending_recvframe_queue; - struct __queue *pfree_recv_queue = &padapter->recvpriv.free_recv_queue; - - preorder_ctrl = &psta->recvreorder_ctrl[i]; - - _cancel_timer_ex(&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_recvframe(prframe, pfree_recv_queue); - } - - spin_unlock_bh(&ppending_recvframe_queue->lock); - } - - if (!(psta->state & WIFI_AP_STATE)) - rtl8188e_SetHalODMVar(padapter, psta, false); - - 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 &= ~BIT(psta->aid); - pstapriv->tim_bitmap &= ~BIT(psta->aid); - - if ((psta->aid > 0) && (pstapriv->sta_aid[psta->aid - 1] == psta)) { - pstapriv->sta_aid[psta->aid - 1] = NULL; - psta->aid = 0; - } - - psta->under_exist_checking = 0; - - spin_lock_bh(&pfree_sta_queue->lock); - list_add_tail(&psta->list, get_list_head(pfree_sta_queue)); - spin_unlock_bh(&pfree_sta_queue->lock); -} - -/* free all stainfo which in sta_hash[all] */ -void rtw_free_all_stainfo(struct adapter *padapter) -{ - struct list_head *plist, *phead; - s32 index; - struct sta_info *psta = NULL; - struct sta_priv *pstapriv = &padapter->stapriv; - struct sta_info *pbcmc_stainfo = rtw_get_bcmc_stainfo(padapter); - - 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]; - plist = phead->next; - - while (phead != plist) { - psta = container_of(plist, struct sta_info, hash_list); - - plist = plist->next; - - if (pbcmc_stainfo != psta) - rtw_free_stainfo(padapter, psta); - } - } - spin_unlock_bh(&pstapriv->sta_hash_lock); -} - -/* any station allocated can be searched by hash list */ -struct sta_info *rtw_get_stainfo(struct sta_priv *pstapriv, u8 *hwaddr) -{ - struct sta_info *ploop, *psta = NULL; - u32 index; - u8 *addr; - u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; - - 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); - - list_for_each_entry(ploop, &pstapriv->sta_hash[index], hash_list) { - if (!memcmp(ploop->hwaddr, addr, ETH_ALEN)) { - psta = ploop; - break; - } - } - - spin_unlock_bh(&pstapriv->sta_hash_lock); - - return psta; -} - -u32 rtw_init_bcmc_stainfo(struct adapter *padapter) -{ - struct sta_info *psta; - u32 res = _SUCCESS; - unsigned char bcast_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; - struct sta_priv *pstapriv = &padapter->stapriv; - - psta = rtw_alloc_stainfo(pstapriv, bcast_addr); - - if (!psta) { - res = _FAIL; - goto exit; - } - - /* default broadcast & multicast use macid 1 */ - psta->mac_id = 1; - -exit: - - return res; -} - -struct sta_info *rtw_get_bcmc_stainfo(struct adapter *padapter) -{ - struct sta_info *psta; - struct sta_priv *pstapriv = &padapter->stapriv; - u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; - - psta = rtw_get_stainfo(pstapriv, bc_addr); - - return psta; -} - -u8 rtw_access_ctrl(struct adapter *padapter, u8 *mac_addr) -{ - u8 res = true; - struct list_head *plist, *phead; - struct rtw_wlan_acl_node *paclnode; - u8 match = false; - struct sta_priv *pstapriv = &padapter->stapriv; - struct wlan_acl_pool *pacl_list = &pstapriv->acl_list; - struct __queue *pacl_node_q = &pacl_list->acl_node_q; - - spin_lock_bh(&pacl_node_q->lock); - phead = get_list_head(pacl_node_q); - plist = phead->next; - while (phead != plist) { - paclnode = container_of(plist, struct rtw_wlan_acl_node, list); - plist = plist->next; - - if (!memcmp(paclnode->addr, mac_addr, ETH_ALEN)) { - 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; - else if (pacl_list->mode == 2)/* deny unless in accept list */ - res = match; - else - res = true; - - return res; -} |