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17#define _RTL871X_STA_MGT_C_
18
19#include "osdep_service.h"
20#include "drv_types.h"
21#include "recv_osdep.h"
22#include "xmit_osdep.h"
23#include "sta_info.h"
24
25static void _init_stainfo(struct sta_info *psta)
26{
27 memset((u8 *)psta, 0, sizeof(struct sta_info));
28 spin_lock_init(&psta->lock);
29 INIT_LIST_HEAD(&psta->list);
30 INIT_LIST_HEAD(&psta->hash_list);
31 _r8712_init_sta_xmit_priv(&psta->sta_xmitpriv);
32 _r8712_init_sta_recv_priv(&psta->sta_recvpriv);
33 INIT_LIST_HEAD(&psta->asoc_list);
34 INIT_LIST_HEAD(&psta->auth_list);
35}
36
37u32 _r8712_init_sta_priv(struct sta_priv *pstapriv)
38{
39 struct sta_info *psta;
40 s32 i;
41
42 pstapriv->pallocated_stainfo_buf = kmalloc(sizeof(struct sta_info) *
43 NUM_STA + 4, GFP_ATOMIC);
44 if (!pstapriv->pallocated_stainfo_buf)
45 return _FAIL;
46 pstapriv->pstainfo_buf = pstapriv->pallocated_stainfo_buf + 4 -
47 ((addr_t)(pstapriv->pallocated_stainfo_buf) & 3);
48 _init_queue(&pstapriv->free_sta_queue);
49 spin_lock_init(&pstapriv->sta_hash_lock);
50 pstapriv->asoc_sta_count = 0;
51 _init_queue(&pstapriv->sleep_q);
52 _init_queue(&pstapriv->wakeup_q);
53 psta = (struct sta_info *)(pstapriv->pstainfo_buf);
54 for (i = 0; i < NUM_STA; i++) {
55 _init_stainfo(psta);
56 INIT_LIST_HEAD(&(pstapriv->sta_hash[i]));
57 list_add_tail(&psta->list, &pstapriv->free_sta_queue.queue);
58 psta++;
59 }
60 INIT_LIST_HEAD(&pstapriv->asoc_list);
61 INIT_LIST_HEAD(&pstapriv->auth_list);
62 return _SUCCESS;
63}
64
65
66static void mfree_all_stainfo(struct sta_priv *pstapriv)
67{
68 unsigned long irqL;
69 struct list_head *plist, *phead;
70
71 spin_lock_irqsave(&pstapriv->sta_hash_lock, irqL);
72 phead = &pstapriv->free_sta_queue.queue;
73 plist = phead->next;
74 while (!end_of_queue_search(phead, plist))
75 plist = plist->next;
76
77 spin_unlock_irqrestore(&pstapriv->sta_hash_lock, irqL);
78}
79
80u32 _r8712_free_sta_priv(struct sta_priv *pstapriv)
81{
82 if (pstapriv) {
83
84 mfree_all_stainfo(pstapriv);
85 kfree(pstapriv->pallocated_stainfo_buf);
86 }
87 return _SUCCESS;
88}
89
90struct sta_info *r8712_alloc_stainfo(struct sta_priv *pstapriv, u8 *hwaddr)
91{
92 s32 index;
93 struct list_head *phash_list;
94 struct sta_info *psta;
95 struct __queue *pfree_sta_queue;
96 struct recv_reorder_ctrl *preorder_ctrl;
97 int i = 0;
98 u16 wRxSeqInitialValue = 0xffff;
99 unsigned long flags;
100
101 pfree_sta_queue = &pstapriv->free_sta_queue;
102 spin_lock_irqsave(&pfree_sta_queue->lock, flags);
103 psta = list_first_entry_or_null(&pfree_sta_queue->queue,
104 struct sta_info, list);
105 if (psta) {
106 list_del_init(&psta->list);
107 _init_stainfo(psta);
108 memcpy(psta->hwaddr, hwaddr, ETH_ALEN);
109 index = wifi_mac_hash(hwaddr);
110 if (index >= NUM_STA) {
111 psta = NULL;
112 goto exit;
113 }
114 phash_list = &pstapriv->sta_hash[index];
115 list_add_tail(&psta->hash_list, phash_list);
116 pstapriv->asoc_sta_count++;
117
118
119
120
121
122
123 for (i = 0; i < 16; i++)
124 memcpy(&psta->sta_recvpriv.rxcache.tid_rxseq[i],
125 &wRxSeqInitialValue, 2);
126
127 for (i = 0; i < 16; i++) {
128 preorder_ctrl = &psta->recvreorder_ctrl[i];
129 preorder_ctrl->padapter = pstapriv->padapter;
130 preorder_ctrl->indicate_seq = 0xffff;
131 preorder_ctrl->wend_b = 0xffff;
132 preorder_ctrl->wsize_b = 64;
133 _init_queue(&preorder_ctrl->pending_recvframe_queue);
134 r8712_init_recv_timer(preorder_ctrl);
135 }
136 }
137exit:
138 spin_unlock_irqrestore(&pfree_sta_queue->lock, flags);
139 return psta;
140}
141
142
143void r8712_free_stainfo(struct _adapter *padapter, struct sta_info *psta)
144{
145 int i;
146 unsigned long irqL0;
147 struct __queue *pfree_sta_queue;
148 struct recv_reorder_ctrl *preorder_ctrl;
149 struct sta_xmit_priv *pstaxmitpriv;
150 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
151 struct sta_priv *pstapriv = &padapter->stapriv;
152
153 if (psta == NULL)
154 return;
155 pfree_sta_queue = &pstapriv->free_sta_queue;
156 pstaxmitpriv = &psta->sta_xmitpriv;
157 spin_lock_irqsave(&(pxmitpriv->vo_pending.lock), irqL0);
158 r8712_free_xmitframe_queue(pxmitpriv, &pstaxmitpriv->vo_q.sta_pending);
159 list_del_init(&(pstaxmitpriv->vo_q.tx_pending));
160 spin_unlock_irqrestore(&(pxmitpriv->vo_pending.lock), irqL0);
161 spin_lock_irqsave(&(pxmitpriv->vi_pending.lock), irqL0);
162 r8712_free_xmitframe_queue(pxmitpriv, &pstaxmitpriv->vi_q.sta_pending);
163 list_del_init(&(pstaxmitpriv->vi_q.tx_pending));
164 spin_unlock_irqrestore(&(pxmitpriv->vi_pending.lock), irqL0);
165 spin_lock_irqsave(&(pxmitpriv->bk_pending.lock), irqL0);
166 r8712_free_xmitframe_queue(pxmitpriv, &pstaxmitpriv->bk_q.sta_pending);
167 list_del_init(&(pstaxmitpriv->bk_q.tx_pending));
168 spin_unlock_irqrestore(&(pxmitpriv->bk_pending.lock), irqL0);
169 spin_lock_irqsave(&(pxmitpriv->be_pending.lock), irqL0);
170 r8712_free_xmitframe_queue(pxmitpriv, &pstaxmitpriv->be_q.sta_pending);
171 list_del_init(&(pstaxmitpriv->be_q.tx_pending));
172 spin_unlock_irqrestore(&(pxmitpriv->be_pending.lock), irqL0);
173 list_del_init(&psta->hash_list);
174 pstapriv->asoc_sta_count--;
175
176 _r8712_init_sta_xmit_priv(&psta->sta_xmitpriv);
177 _r8712_init_sta_recv_priv(&psta->sta_recvpriv);
178
179
180
181 for (i = 0; i < 16; i++) {
182 preorder_ctrl = &psta->recvreorder_ctrl[i];
183 del_timer(&preorder_ctrl->reordering_ctrl_timer);
184 }
185 spin_lock(&(pfree_sta_queue->lock));
186
187 list_add_tail(&psta->list, &pfree_sta_queue->queue);
188 spin_unlock(&(pfree_sta_queue->lock));
189}
190
191
192void r8712_free_all_stainfo(struct _adapter *padapter)
193{
194 unsigned long irqL;
195 struct list_head *plist, *phead;
196 s32 index;
197 struct sta_info *psta = NULL;
198 struct sta_priv *pstapriv = &padapter->stapriv;
199 struct sta_info *pbcmc_stainfo = r8712_get_bcmc_stainfo(padapter);
200
201 if (pstapriv->asoc_sta_count == 1)
202 return;
203 spin_lock_irqsave(&pstapriv->sta_hash_lock, irqL);
204 for (index = 0; index < NUM_STA; index++) {
205 phead = &(pstapriv->sta_hash[index]);
206 plist = phead->next;
207 while (!end_of_queue_search(phead, plist)) {
208 psta = container_of(plist,
209 struct sta_info, hash_list);
210 plist = plist->next;
211 if (pbcmc_stainfo != psta)
212 r8712_free_stainfo(padapter, psta);
213 }
214 }
215 spin_unlock_irqrestore(&pstapriv->sta_hash_lock, irqL);
216}
217
218
219struct sta_info *r8712_get_stainfo(struct sta_priv *pstapriv, u8 *hwaddr)
220{
221 unsigned long irqL;
222 struct list_head *plist, *phead;
223 struct sta_info *psta = NULL;
224 u32 index;
225
226 if (hwaddr == NULL)
227 return NULL;
228 index = wifi_mac_hash(hwaddr);
229 spin_lock_irqsave(&pstapriv->sta_hash_lock, irqL);
230 phead = &(pstapriv->sta_hash[index]);
231 plist = phead->next;
232 while (!end_of_queue_search(phead, plist)) {
233 psta = container_of(plist, struct sta_info, hash_list);
234 if ((!memcmp(psta->hwaddr, hwaddr, ETH_ALEN))) {
235
236 break;
237 }
238 psta = NULL;
239 plist = plist->next;
240 }
241 spin_unlock_irqrestore(&pstapriv->sta_hash_lock, irqL);
242 return psta;
243}
244
245void r8712_init_bcmc_stainfo(struct _adapter *padapter)
246{
247 unsigned char bcast_addr[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
248 struct sta_priv *pstapriv = &padapter->stapriv;
249
250 r8712_alloc_stainfo(pstapriv, bcast_addr);
251}
252
253struct sta_info *r8712_get_bcmc_stainfo(struct _adapter *padapter)
254{
255 struct sta_priv *pstapriv = &padapter->stapriv;
256 u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
257
258 return r8712_get_stainfo(pstapriv, bc_addr);
259}
260
261
262u8 r8712_access_ctrl(struct wlan_acl_pool *pacl_list, u8 *mac_addr)
263{
264 return true;
265}
266