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cf3e6881 AB |
1 | /****************************************************************************** |
2 | * | |
3 | * Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved. | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or modify it | |
6 | * under the terms of version 2 of the GNU General Public License as | |
7 | * published by the Free Software Foundation. | |
8 | * | |
9 | * This program is distributed in the hope that it will be useful, but WITHOUT | |
10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
12 | * more details. | |
13 | * | |
14 | * You should have received a copy of the GNU General Public License along with | |
15 | * this program; if not, write to the Free Software Foundation, Inc., | |
16 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA | |
17 | * | |
18 | * Modifications for inclusion into the Linux staging tree are | |
19 | * Copyright(c) 2010 Larry Finger. All rights reserved. | |
20 | * | |
21 | * Contact information: | |
22 | * WLAN FAE <wlanfae@realtek.com> | |
23 | * Larry Finger <Larry.Finger@lwfinger.net> | |
24 | * | |
25 | ******************************************************************************/ | |
2865d42c LF |
26 | #ifndef _RTL8712_RECV_H_ |
27 | #define _RTL8712_RECV_H_ | |
28 | ||
29 | #include "osdep_service.h" | |
30 | #include "drv_types.h" | |
31 | ||
ee5b1aad AB |
32 | /* Realtek's v2.6.6 reduced this to 4. However, under heavy network and CPU |
33 | * loads, even 8 receive buffers might not be enough; cutting it to 4 seemed | |
34 | * unwise. | |
35 | */ | |
2865d42c | 36 | #define NR_RECVBUFF (8) |
ee5b1aad | 37 | |
2865d42c LF |
38 | #define NR_PREALLOC_RECV_SKB (8) |
39 | #define RXDESC_SIZE 24 | |
40 | #define RXDESC_OFFSET RXDESC_SIZE | |
41 | #define RECV_BLK_SZ 512 | |
42 | #define RECV_BLK_CNT 16 | |
43 | #define RECV_BLK_TH RECV_BLK_CNT | |
c5003749 | 44 | #define MAX_RECVBUF_SZ 9100 |
2865d42c LF |
45 | #define RECVBUFF_ALIGN_SZ 512 |
46 | #define RSVD_ROOM_SZ (0) | |
47 | /*These definition is used for Rx packet reordering.*/ | |
48 | #define SN_LESS(a, b) (((a-b) & 0x800) != 0) | |
49 | #define SN_EQUAL(a, b) (a == b) | |
50 | #define REORDER_WAIT_TIME 30 /* (ms)*/ | |
51 | ||
52 | struct recv_stat { | |
53 | unsigned int rxdw0; | |
54 | unsigned int rxdw1; | |
55 | unsigned int rxdw2; | |
56 | unsigned int rxdw3; | |
57 | unsigned int rxdw4; | |
58 | unsigned int rxdw5; | |
59 | }; | |
60 | ||
61 | struct phy_cck_rx_status { | |
62 | /* For CCK rate descriptor. This is a unsigned 8:1 variable. | |
63 | * LSB bit present 0.5. And MSB 7 bts present a signed value. | |
64 | * Range from -64~+63.5. */ | |
65 | u8 adc_pwdb_X[4]; | |
66 | u8 sq_rpt; | |
67 | u8 cck_agc_rpt; | |
68 | }; | |
69 | ||
70 | struct phy_stat { | |
71 | unsigned int phydw0; | |
72 | unsigned int phydw1; | |
73 | unsigned int phydw2; | |
74 | unsigned int phydw3; | |
75 | unsigned int phydw4; | |
76 | unsigned int phydw5; | |
77 | unsigned int phydw6; | |
78 | unsigned int phydw7; | |
79 | }; | |
80 | #define PHY_STAT_GAIN_TRSW_SHT 0 | |
81 | #define PHY_STAT_PWDB_ALL_SHT 4 | |
82 | #define PHY_STAT_CFOSHO_SHT 5 | |
83 | #define PHY_STAT_CCK_AGC_RPT_SHT 5 | |
84 | #define PHY_STAT_CFOTAIL_SHT 9 | |
85 | #define PHY_STAT_RXEVM_SHT 13 | |
86 | #define PHY_STAT_RXSNR_SHT 15 | |
87 | #define PHY_STAT_PDSNR_SHT 19 | |
88 | #define PHY_STAT_CSI_CURRENT_SHT 21 | |
89 | #define PHY_STAT_CSI_TARGET_SHT 23 | |
90 | #define PHY_STAT_SIGEVM_SHT 25 | |
91 | #define PHY_STAT_MAX_EX_PWR_SHT 26 | |
92 | ||
93 | union recvstat { | |
94 | struct recv_stat recv_stat; | |
95 | unsigned int value[RXDESC_SIZE>>2]; | |
96 | }; | |
97 | ||
98 | ||
99 | struct recv_buf { | |
100 | struct list_head list; | |
101 | spinlock_t recvbuf_lock; | |
102 | u32 ref_cnt; | |
103 | struct _adapter *adapter; | |
104 | struct urb *purb; | |
105 | _pkt *pskb; | |
106 | u8 reuse; | |
107 | u8 irp_pending; | |
108 | u32 transfer_len; | |
109 | uint len; | |
110 | u8 *phead; | |
111 | u8 *pdata; | |
112 | u8 *ptail; | |
113 | u8 *pend; | |
114 | u8 *pbuf; | |
115 | u8 *pallocated_buf; | |
116 | }; | |
117 | ||
118 | /* | |
119 | head -----> | |
120 | data -----> | |
121 | payload | |
122 | tail -----> | |
123 | end -----> | |
124 | len = (unsigned int )(tail - data); | |
125 | */ | |
0593758e | 126 | struct recv_frame_hdr { |
2865d42c LF |
127 | struct list_head list; |
128 | _pkt *pkt; | |
129 | _pkt *pkt_newalloc; | |
130 | struct _adapter *adapter; | |
131 | u8 fragcnt; | |
132 | struct rx_pkt_attrib attrib; | |
133 | uint len; | |
134 | u8 *rx_head; | |
135 | u8 *rx_data; | |
136 | u8 *rx_tail; | |
137 | u8 *rx_end; | |
138 | void *precvbuf; | |
139 | struct sta_info *psta; | |
140 | /*for A-MPDU Rx reordering buffer control*/ | |
141 | struct recv_reorder_ctrl *preorder_ctrl; | |
142 | }; | |
143 | ||
144 | union recv_frame { | |
145 | union { | |
146 | struct list_head list; | |
147 | struct recv_frame_hdr hdr; | |
2865d42c LF |
148 | } u; |
149 | }; | |
150 | ||
151 | int r8712_init_recvbuf(struct _adapter *padapter, struct recv_buf *precvbuf); | |
152 | void r8712_rxcmd_event_hdl(struct _adapter *padapter, void *prxcmdbuf); | |
153 | s32 r8712_signal_scale_mapping(s32 cur_sig); | |
154 | void r8712_reordering_ctrl_timeout_handler(void *pcontext); | |
155 | ||
156 | #endif | |
157 |