1 /* SPDX-License-Identifier: GPL-2.0 */
2 /******************************************************************************
4 * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
6 ******************************************************************************/
10 #include <osdep_service.h>
11 #include <drv_types.h>
14 #define NR_RECVFRAME 256
16 #define RXFRAME_ALIGN 8
17 #define RXFRAME_ALIGN_SZ (1<<RXFRAME_ALIGN)
19 #define MAX_RXFRAME_CNT 512
20 #define MAX_RX_NUMBLKS (32)
21 #define RECVFRAME_HDR_ALIGN 128
23 #define SNAP_SIZE sizeof(struct ieee80211_snap_hdr)
25 #define MAX_SUBFRAME_COUNT 64
27 /* for Rx reordering buffer control */
28 struct recv_reorder_ctrl {
29 struct adapter *padapter;
31 u16 indicate_seq;/* wstart_b, init_value=0xffff */
34 struct __queue pending_recvframe_queue;
35 struct timer_list reordering_ctrl_timer;
38 struct stainfo_rxcache {
41 * unsigned short tid0_rxseq;
42 * unsigned short tid1_rxseq;
43 * unsigned short tid2_rxseq;
44 * unsigned short tid3_rxseq;
45 * unsigned short tid4_rxseq;
46 * unsigned short tid5_rxseq;
47 * unsigned short tid6_rxseq;
48 * unsigned short tid7_rxseq;
49 * unsigned short tid8_rxseq;
50 * unsigned short tid9_rxseq;
51 * unsigned short tid10_rxseq;
52 * unsigned short tid11_rxseq;
53 * unsigned short tid12_rxseq;
54 * unsigned short tid13_rxseq;
55 * unsigned short tid14_rxseq;
56 * unsigned short tid15_rxseq;
61 u8 update_req; /* used to indicate */
62 u8 avg_val; /* avg of valid elements */
63 u32 total_num; /* num of valid elements */
64 u32 total_val; /* sum of valid elements */
66 #define MAX_PATH_NUM_92CS 3
69 u8 SignalQuality; /* in 0-100 index. */
70 u8 RxMIMOSignalQuality[MAX_PATH_NUM_92CS]; /* EVM */
71 u8 RxMIMOSignalStrength[MAX_PATH_NUM_92CS];/* in 0~100 index */
72 s8 RxPower; /* in dBm Translate from PWdB */
73 /* Real power in dBm for this packet, no beautification and aggregation.
74 * Keep this raw info to be used for the other procedures.
77 u8 BTRxRSSIPercentage;
78 u8 SignalStrength; /* in 0-100 index. */
79 u8 RxPwr[MAX_PATH_NUM_92CS];/* per-path's pwdb */
80 u8 RxSNR[MAX_PATH_NUM_92CS];/* per-path's SNR */
83 struct rx_pkt_attrib {
88 u8 hdrlen; /* the WLAN Header Len */
99 u8 privacy; /* in frame_ctrl field */
101 u8 encrypt; /* when 0 indicate no encrypt. when non-zero,
102 * indicate the encrypt algorithm
125 u32 MacIDValidEntry[2]; /* 64 bits present 64 entry. */
127 struct phy_info phy_info;
131 /* These definition is used for Rx packet reordering. */
132 #define SN_LESS(a, b) (((a - b) & 0x800) != 0)
133 #define SN_EQUAL(a, b) (a == b)
134 #define REORDER_WAIT_TIME (50) /* (ms) */
136 #define RXDESC_SIZE 24
137 #define RXDESC_OFFSET RXDESC_SIZE
149 * accesser of recv_priv: rtw_recv_entry(dispatch / passive level);
150 * recv_thread(passive) ; returnpkt(dispatch)
153 * using enter_critical section to protect
156 struct __queue free_recv_queue;
157 struct __queue recv_pending_queue;
158 struct __queue uc_swdec_pending_queue;
159 void *pallocated_frame_buf;
160 struct adapter *adapter;
167 struct tasklet_struct irq_prepare_beacon_tasklet;
168 struct tasklet_struct recv_tasklet;
169 struct sk_buff_head free_recv_skb_queue;
170 struct sk_buff_head rx_skb_queue;
171 struct recv_buf *precv_buf; /* 4 alignment */
172 struct __queue free_recv_buf_queue;
173 /* For display the phy information */
181 struct timer_list signal_stat_timer;
182 u32 signal_stat_sampling_interval;
183 struct signal_stat signal_qual_data;
184 struct signal_stat signal_strength_data;
187 #define rtw_set_signal_stat_timer(recvpriv) \
188 mod_timer(&(recvpriv)->signal_stat_timer, jiffies + \
189 msecs_to_jiffies((recvpriv)->signal_stat_sampling_interval))
191 struct sta_recv_priv {
194 struct __queue defrag_q; /* keeping the fragment frame until defrag */
195 struct stainfo_rxcache rxcache;
199 struct adapter *adapter;
201 struct sk_buff *pskb;
217 * len = (unsigned int )(tail - data);
221 struct list_head list;
223 struct adapter *adapter;
224 struct rx_pkt_attrib attrib;
225 struct sta_info *psta;
226 /* for A-MPDU Rx reordering buffer control */
227 struct recv_reorder_ctrl *preorder_ctrl;
230 struct recv_frame *_rtw_alloc_recvframe(struct __queue *pfree_recv_queue);
231 struct recv_frame *rtw_alloc_recvframe(struct __queue *pfree_recv_queue);
232 void rtw_init_recvframe(struct recv_frame *precvframe,
233 struct recv_priv *precvpriv);
234 int rtw_free_recvframe(struct recv_frame *precvframe,
235 struct __queue *pfree_recv_queue);
236 #define rtw_dequeue_recvframe(queue) rtw_alloc_recvframe(queue)
237 int _rtw_enqueue_recvframe(struct recv_frame *precvframe,
238 struct __queue *queue);
239 int rtw_enqueue_recvframe(struct recv_frame *precvframe, struct __queue *queue);
240 void rtw_free_recvframe_queue(struct __queue *pframequeue,
241 struct __queue *pfree_recv_queue);
242 u32 rtw_free_uc_swdec_pending_queue(struct adapter *adapter);
244 void rtw_reordering_ctrl_timeout_handler(struct timer_list *t);
246 static inline s32 translate_percentage_to_dbm(u32 sig_stren_index)
248 s32 power; /* in dBm. */
250 /* Translate to dBm (x=0.5y-95). */
251 power = (s32)((sig_stren_index + 1) >> 1);
260 void _rtw_init_sta_recv_priv(struct sta_recv_priv *psta_recvpriv);
262 void mgt_dispatcher(struct adapter *padapter, struct recv_frame *precv_frame);