diff options
Diffstat (limited to 'drivers/net/wireless/wl12xx/rx.h')
-rw-r--r-- | drivers/net/wireless/wl12xx/rx.h | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/drivers/net/wireless/wl12xx/rx.h b/drivers/net/wireless/wl12xx/rx.h new file mode 100644 index 000000000000..75fabf836491 --- /dev/null +++ b/drivers/net/wireless/wl12xx/rx.h | |||
@@ -0,0 +1,122 @@ | |||
1 | /* | ||
2 | * This file is part of wl1271 | ||
3 | * | ||
4 | * Copyright (C) 1998-2009 Texas Instruments. All rights reserved. | ||
5 | * Copyright (C) 2008-2009 Nokia Corporation | ||
6 | * | ||
7 | * Contact: Luciano Coelho <luciano.coelho@nokia.com> | ||
8 | * | ||
9 | * This program is free software; you can redistribute it and/or | ||
10 | * modify it under the terms of the GNU General Public License | ||
11 | * version 2 as published by the Free Software Foundation. | ||
12 | * | ||
13 | * This program is distributed in the hope that it will be useful, but | ||
14 | * WITHOUT ANY WARRANTY; without even the implied warranty of | ||
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
16 | * General Public License for more details. | ||
17 | * | ||
18 | * You should have received a copy of the GNU General Public License | ||
19 | * along with this program; if not, write to the Free Software | ||
20 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA | ||
21 | * 02110-1301 USA | ||
22 | * | ||
23 | */ | ||
24 | |||
25 | #ifndef __RX_H__ | ||
26 | #define __RX_H__ | ||
27 | |||
28 | #include <linux/bitops.h> | ||
29 | |||
30 | #define WL1271_RX_MAX_RSSI -30 | ||
31 | #define WL1271_RX_MIN_RSSI -95 | ||
32 | |||
33 | #define SHORT_PREAMBLE_BIT BIT(0) | ||
34 | #define OFDM_RATE_BIT BIT(6) | ||
35 | #define PBCC_RATE_BIT BIT(7) | ||
36 | |||
37 | #define PLCP_HEADER_LENGTH 8 | ||
38 | #define RX_DESC_PACKETID_SHIFT 11 | ||
39 | #define RX_MAX_PACKET_ID 3 | ||
40 | |||
41 | #define NUM_RX_PKT_DESC_MOD_MASK 7 | ||
42 | |||
43 | #define RX_DESC_VALID_FCS 0x0001 | ||
44 | #define RX_DESC_MATCH_RXADDR1 0x0002 | ||
45 | #define RX_DESC_MCAST 0x0004 | ||
46 | #define RX_DESC_STAINTIM 0x0008 | ||
47 | #define RX_DESC_VIRTUAL_BM 0x0010 | ||
48 | #define RX_DESC_BCAST 0x0020 | ||
49 | #define RX_DESC_MATCH_SSID 0x0040 | ||
50 | #define RX_DESC_MATCH_BSSID 0x0080 | ||
51 | #define RX_DESC_ENCRYPTION_MASK 0x0300 | ||
52 | #define RX_DESC_MEASURMENT 0x0400 | ||
53 | #define RX_DESC_SEQNUM_MASK 0x1800 | ||
54 | #define RX_DESC_MIC_FAIL 0x2000 | ||
55 | #define RX_DESC_DECRYPT_FAIL 0x4000 | ||
56 | |||
57 | /* | ||
58 | * RX Descriptor flags: | ||
59 | * | ||
60 | * Bits 0-1 - band | ||
61 | * Bit 2 - STBC | ||
62 | * Bit 3 - A-MPDU | ||
63 | * Bit 4 - HT | ||
64 | * Bits 5-7 - encryption | ||
65 | */ | ||
66 | #define WL1271_RX_DESC_BAND_MASK 0x03 | ||
67 | #define WL1271_RX_DESC_ENCRYPT_MASK 0xE0 | ||
68 | |||
69 | #define WL1271_RX_DESC_BAND_BG 0x00 | ||
70 | #define WL1271_RX_DESC_BAND_J 0x01 | ||
71 | #define WL1271_RX_DESC_BAND_A 0x02 | ||
72 | |||
73 | #define WL1271_RX_DESC_STBC BIT(2) | ||
74 | #define WL1271_RX_DESC_A_MPDU BIT(3) | ||
75 | #define WL1271_RX_DESC_HT BIT(4) | ||
76 | |||
77 | #define WL1271_RX_DESC_ENCRYPT_WEP 0x20 | ||
78 | #define WL1271_RX_DESC_ENCRYPT_TKIP 0x40 | ||
79 | #define WL1271_RX_DESC_ENCRYPT_AES 0x60 | ||
80 | #define WL1271_RX_DESC_ENCRYPT_GEM 0x80 | ||
81 | |||
82 | /* | ||
83 | * RX Descriptor status | ||
84 | * | ||
85 | * Bits 0-2 - error code | ||
86 | * Bits 3-5 - process_id tag (AP mode FW) | ||
87 | * Bits 6-7 - reserved | ||
88 | */ | ||
89 | #define WL1271_RX_DESC_STATUS_MASK 0x07 | ||
90 | |||
91 | #define WL1271_RX_DESC_SUCCESS 0x00 | ||
92 | #define WL1271_RX_DESC_DECRYPT_FAIL 0x01 | ||
93 | #define WL1271_RX_DESC_MIC_FAIL 0x02 | ||
94 | #define WL1271_RX_DESC_DRIVER_RX_Q_FAIL 0x03 | ||
95 | |||
96 | #define RX_MEM_BLOCK_MASK 0xFF | ||
97 | #define RX_BUF_SIZE_MASK 0xFFF00 | ||
98 | #define RX_BUF_SIZE_SHIFT_DIV 6 | ||
99 | |||
100 | struct wl1271_rx_descriptor { | ||
101 | __le16 length; | ||
102 | u8 status; | ||
103 | u8 flags; | ||
104 | u8 rate; | ||
105 | u8 channel; | ||
106 | s8 rssi; | ||
107 | u8 snr; | ||
108 | __le32 timestamp; | ||
109 | u8 packet_class; | ||
110 | union { | ||
111 | u8 process_id; /* STA FW */ | ||
112 | u8 hlid; /* AP FW */ | ||
113 | } __packed; | ||
114 | u8 pad_len; | ||
115 | u8 reserved; | ||
116 | } __packed; | ||
117 | |||
118 | void wl1271_rx(struct wl1271 *wl, struct wl1271_fw_common_status *status); | ||
119 | u8 wl1271_rate_to_idx(int rate, enum ieee80211_band band); | ||
120 | void wl1271_set_default_filters(struct wl1271 *wl); | ||
121 | |||
122 | #endif | ||