1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
|
#ifndef _RTL871X_RECV_H_
#define _RTL871X_RECV_H_
#include "osdep_service.h"
#include "drv_types.h"
#define NR_RECVFRAME 256
#define RXFRAME_ALIGN 8
#define RXFRAME_ALIGN_SZ (1 << RXFRAME_ALIGN)
#define MAX_SUBFRAME_COUNT 64
#define SNAP_SIZE sizeof(struct ieee80211_snap_hdr)
/* for Rx reordering buffer control */
struct recv_reorder_ctrl {
struct _adapter *padapter;
u16 indicate_seq; /* =wstart_b, init_value=0xffff */
u16 wend_b;
u8 wsize_b;
struct __queue pending_recvframe_queue;
struct timer_list reordering_ctrl_timer;
};
struct stainfo_rxcache {
u16 tid_rxseq[16];
};
#define PHY_RSSI_SLID_WIN_MAX 100
#define PHY_LINKQUALITY_SLID_WIN_MAX 20
struct smooth_rssi_data {
u32 elements[100]; /* array to store values */
u32 index; /* index to current array to store */
u32 total_num; /* num of valid elements */
u32 total_val; /* sum of valid elements */
};
struct rx_pkt_attrib {
u8 amsdu;
u8 order;
u8 qos;
u8 to_fr_ds;
u8 frag_num;
u16 seq_num;
u8 pw_save;
u8 mfrag;
u8 mdata;
u8 privacy; /* in frame_ctrl field */
u8 bdecrypted;
int hdrlen; /* the WLAN Header Len */
int encrypt; /* 0 no encrypt. != 0 encrypt algorith */
int iv_len;
int icv_len;
int priority;
int ack_policy;
u8 crc_err;
u8 dst[ETH_ALEN];
u8 src[ETH_ALEN];
u8 ta[ETH_ALEN];
u8 ra[ETH_ALEN];
u8 bssid[ETH_ALEN];
u8 tcpchk_valid; /* 0: invalid, 1: valid */
u8 ip_chkrpt; /* 0: incorrect, 1: correct */
u8 tcp_chkrpt; /* 0: incorrect, 1: correct */
u8 signal_qual;
s8 rx_mimo_signal_qual[2];
u8 mcs_rate;
u8 htc;
u8 signal_strength;
};
/*
accesser of recv_priv: recv_entry(dispatch / passive level);
recv_thread(passive) ; returnpkt(dispatch)
; halt(passive) ;
using enter_critical section to protect
*/
struct recv_priv {
spinlock_t lock;
struct __queue free_recv_queue;
struct __queue recv_pending_queue;
u8 *pallocated_frame_buf;
u8 *precv_frame_buf;
uint free_recvframe_cnt;
struct _adapter *adapter;
uint rx_bytes;
uint rx_pkts;
uint rx_drop;
uint rx_icv_err;
uint rx_largepacket_crcerr;
uint rx_smallpacket_crcerr;
uint rx_middlepacket_crcerr;
u8 rx_pending_cnt;
uint ff_hwaddr;
struct tasklet_struct recv_tasklet;
struct sk_buff_head free_recv_skb_queue;
struct sk_buff_head rx_skb_queue;
u8 *pallocated_recv_buf;
u8 *precv_buf; /* 4 alignment */
struct __queue free_recv_buf_queue;
u32 free_recv_buf_queue_cnt;
/* For the phy informatiom */
s8 rssi;
u8 signal;
u8 noise;
u8 fw_rssi;
struct smooth_rssi_data signal_qual_data;
struct smooth_rssi_data signal_strength_data;
};
struct sta_recv_priv {
spinlock_t lock;
sint option;
struct __queue defrag_q; /* keeping the fragment frame until defrag */
struct stainfo_rxcache rxcache;
uint sta_rx_bytes;
uint sta_rx_pkts;
uint sta_rx_fail;
};
#include "rtl8712_recv.h"
/* get a free recv_frame from pfree_recv_queue */
union recv_frame *r8712_alloc_recvframe(struct __queue *pfree_recv_queue);
int r8712_free_recvframe(union recv_frame *precvframe,
struct __queue *pfree_recv_queue);
void r8712_free_recvframe_queue(struct __queue *pframequeue,
struct __queue *pfree_recv_queue);
int r8712_wlanhdr_to_ethhdr(union recv_frame *precvframe);
int recv_func(struct _adapter *padapter, void *pcontext);
static inline u8 *get_rxmem(union recv_frame *precvframe)
{
/* always return rx_head... */
if (precvframe == NULL)
return NULL;
return precvframe->u.hdr.rx_head;
}
static inline u8 *get_recvframe_data(union recv_frame *precvframe)
{
/* always return rx_data */
if (precvframe == NULL)
return NULL;
return precvframe->u.hdr.rx_data;
}
static inline u8 *recvframe_pull(union recv_frame *precvframe, sint sz)
{
/* used for extract sz bytes from rx_data, update rx_data and return
* the updated rx_data to the caller */
if (precvframe == NULL)
return NULL;
precvframe->u.hdr.rx_data += sz;
if (precvframe->u.hdr.rx_data > precvframe->u.hdr.rx_tail) {
precvframe->u.hdr.rx_data -= sz;
return NULL;
}
precvframe->u.hdr.len -= sz;
return precvframe->u.hdr.rx_data;
}
static inline u8 *recvframe_put(union recv_frame *precvframe, sint sz)
{
/* used for append sz bytes from ptr to rx_tail, update rx_tail and
* return the updated rx_tail to the caller
* after putting, rx_tail must be still larger than rx_end. */
unsigned char *prev_rx_tail;
if (precvframe == NULL)
return NULL;
prev_rx_tail = precvframe->u.hdr.rx_tail;
precvframe->u.hdr.rx_tail += sz;
if (precvframe->u.hdr.rx_tail > precvframe->u.hdr.rx_end) {
precvframe->u.hdr.rx_tail -= sz;
return NULL;
}
precvframe->u.hdr.len += sz;
return precvframe->u.hdr.rx_tail;
}
static inline u8 *recvframe_pull_tail(union recv_frame *precvframe, sint sz)
{
/* rmv data from rx_tail (by yitsen)
* used for extract sz bytes from rx_end, update rx_end and return the
* updated rx_end to the caller
* after pulling, rx_end must be still larger than rx_data. */
if (precvframe == NULL)
return NULL;
precvframe->u.hdr.rx_tail -= sz;
if (precvframe->u.hdr.rx_tail < precvframe->u.hdr.rx_data) {
precvframe->u.hdr.rx_tail += sz;
return NULL;
}
precvframe->u.hdr.len -= sz;
return precvframe->u.hdr.rx_tail;
}
struct sta_info;
void _r8712_init_sta_recv_priv(struct sta_recv_priv *psta_recvpriv);
sint r8712_recvframe_chkmic(struct _adapter *adapter,
union recv_frame *precvframe);
union recv_frame *r8712_decryptor(struct _adapter *adapter,
union recv_frame *precv_frame);
union recv_frame *r8712_recvframe_chk_defrag(struct _adapter *adapter,
union recv_frame *precv_frame);
int r8712_validate_recv_frame(struct _adapter *adapter,
union recv_frame *precv_frame);
union recv_frame *r8712_portctrl(struct _adapter *adapter,
union recv_frame *precv_frame);
#endif
|
