1
2#ifndef _RTL871X_RECV_H_
3#define _RTL871X_RECV_H_
4
5#include "osdep_service.h"
6#include "drv_types.h"
7
8#define NR_RECVFRAME 256
9
10#define RXFRAME_ALIGN 8
11#define RXFRAME_ALIGN_SZ (1 << RXFRAME_ALIGN)
12
13#define MAX_SUBFRAME_COUNT 64
14
15
16struct recv_reorder_ctrl {
17 struct _adapter *padapter;
18 u16 indicate_seq;
19 u16 wend_b;
20 u8 wsize_b;
21 struct __queue pending_recvframe_queue;
22 struct timer_list reordering_ctrl_timer;
23};
24
25struct stainfo_rxcache {
26 u16 tid_rxseq[16];
27};
28
29#define PHY_RSSI_SLID_WIN_MAX 100
30#define PHY_LINKQUALITY_SLID_WIN_MAX 20
31
32struct smooth_rssi_data {
33 u32 elements[100];
34 u32 index;
35 u32 total_num;
36 u32 total_val;
37};
38
39struct rx_pkt_attrib {
40 u8 amsdu;
41 u8 order;
42 u8 qos;
43 u8 to_fr_ds;
44 u8 frag_num;
45 u16 seq_num;
46 u8 pw_save;
47 u8 mfrag;
48 u8 mdata;
49 u8 privacy;
50 u8 bdecrypted;
51 int hdrlen;
52 int encrypt;
53 int iv_len;
54 int icv_len;
55 int priority;
56 int ack_policy;
57 u8 crc_err;
58 u8 dst[ETH_ALEN];
59 u8 src[ETH_ALEN];
60 u8 ta[ETH_ALEN];
61 u8 ra[ETH_ALEN];
62 u8 bssid[ETH_ALEN];
63 u8 tcpchk_valid;
64 u8 ip_chkrpt;
65 u8 tcp_chkrpt;
66 u8 signal_qual;
67 s8 rx_mimo_signal_qual[2];
68 u8 mcs_rate;
69 u8 htc;
70 u8 signal_strength;
71};
72
73
74
75
76
77
78
79
80struct recv_priv {
81 spinlock_t lock;
82 struct __queue free_recv_queue;
83 struct __queue recv_pending_queue;
84 u8 *pallocated_frame_buf;
85 u8 *precv_frame_buf;
86 uint free_recvframe_cnt;
87 struct _adapter *adapter;
88 uint rx_bytes;
89 uint rx_pkts;
90 uint rx_drop;
91 uint rx_icv_err;
92 uint rx_largepacket_crcerr;
93 uint rx_smallpacket_crcerr;
94 uint rx_middlepacket_crcerr;
95 u8 rx_pending_cnt;
96 uint ff_hwaddr;
97 struct tasklet_struct recv_tasklet;
98 struct sk_buff_head free_recv_skb_queue;
99 struct sk_buff_head rx_skb_queue;
100 u8 *pallocated_recv_buf;
101 u8 *precv_buf;
102 struct __queue free_recv_buf_queue;
103 u32 free_recv_buf_queue_cnt;
104
105 s8 rssi;
106 u8 signal;
107 u8 noise;
108 u8 fw_rssi;
109 struct smooth_rssi_data signal_qual_data;
110 struct smooth_rssi_data signal_strength_data;
111};
112
113struct sta_recv_priv {
114 spinlock_t lock;
115 sint option;
116 struct __queue defrag_q;
117 struct stainfo_rxcache rxcache;
118 uint sta_rx_bytes;
119 uint sta_rx_pkts;
120 uint sta_rx_fail;
121};
122
123#include "rtl8712_recv.h"
124
125
126union recv_frame *r8712_alloc_recvframe(struct __queue *pfree_recv_queue);
127void r8712_free_recvframe(union recv_frame *precvframe,
128 struct __queue *pfree_recv_queue);
129void r8712_free_recvframe_queue(struct __queue *pframequeue,
130 struct __queue *pfree_recv_queue);
131int r8712_wlanhdr_to_ethhdr(union recv_frame *precvframe);
132int recv_func(struct _adapter *padapter, void *pcontext);
133
134static inline u8 *get_rxmem(union recv_frame *precvframe)
135{
136
137 if (!precvframe)
138 return NULL;
139 return precvframe->u.hdr.rx_head;
140}
141
142static inline u8 *get_recvframe_data(union recv_frame *precvframe)
143{
144
145 if (!precvframe)
146 return NULL;
147 return precvframe->u.hdr.rx_data;
148}
149
150static inline u8 *recvframe_pull(union recv_frame *precvframe, sint sz)
151{
152
153
154
155 if (!precvframe)
156 return NULL;
157 precvframe->u.hdr.rx_data += sz;
158 if (precvframe->u.hdr.rx_data > precvframe->u.hdr.rx_tail) {
159 precvframe->u.hdr.rx_data -= sz;
160 return NULL;
161 }
162 precvframe->u.hdr.len -= sz;
163 return precvframe->u.hdr.rx_data;
164}
165
166static inline u8 *recvframe_put(union recv_frame *precvframe, sint sz)
167{
168
169
170
171
172 if (!precvframe)
173 return NULL;
174 precvframe->u.hdr.rx_tail += sz;
175 if (precvframe->u.hdr.rx_tail > precvframe->u.hdr.rx_end) {
176 precvframe->u.hdr.rx_tail -= sz;
177 return NULL;
178 }
179 precvframe->u.hdr.len += sz;
180 return precvframe->u.hdr.rx_tail;
181}
182
183static inline u8 *recvframe_pull_tail(union recv_frame *precvframe, sint sz)
184{
185
186
187
188
189
190 if (!precvframe)
191 return NULL;
192 precvframe->u.hdr.rx_tail -= sz;
193 if (precvframe->u.hdr.rx_tail < precvframe->u.hdr.rx_data) {
194 precvframe->u.hdr.rx_tail += sz;
195 return NULL;
196 }
197 precvframe->u.hdr.len -= sz;
198 return precvframe->u.hdr.rx_tail;
199}
200
201struct sta_info;
202
203void _r8712_init_sta_recv_priv(struct sta_recv_priv *psta_recvpriv);
204sint r8712_recvframe_chkmic(struct _adapter *adapter,
205 union recv_frame *precvframe);
206union recv_frame *r8712_decryptor(struct _adapter *adapter,
207 union recv_frame *precv_frame);
208union recv_frame *r8712_recvframe_chk_defrag(struct _adapter *adapter,
209 union recv_frame *precv_frame);
210int r8712_validate_recv_frame(struct _adapter *adapter,
211 union recv_frame *precv_frame);
212union recv_frame *r8712_portctrl(struct _adapter *adapter,
213 union recv_frame *precv_frame);
214
215#endif
216
217