Commit | Line | Data |
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db86f07e LR |
1 | /* |
2 | * Copyright (c) 2009 Atheros Communications Inc. | |
3 | * | |
4 | * Permission to use, copy, modify, and/or distribute this software for any | |
5 | * purpose with or without fee is hereby granted, provided that the above | |
6 | * copyright notice and this permission notice appear in all copies. | |
7 | * | |
8 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | |
9 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |
10 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | |
11 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |
12 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |
13 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | |
14 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
15 | */ | |
16 | ||
17 | #include <net/mac80211.h> | |
18 | ||
19 | #include "../ath.h" | |
20 | #include "../debug.h" | |
21 | ||
22 | #include "hw.h" | |
d70357d5 | 23 | #include "hw-ops.h" |
db86f07e LR |
24 | |
25 | /* Common header for Atheros 802.11n base driver cores */ | |
26 | ||
fb9987d0 S |
27 | #define IEEE80211_WEP_NKID 4 |
28 | ||
db86f07e LR |
29 | #define WME_NUM_TID 16 |
30 | #define WME_BA_BMP_SIZE 64 | |
31 | #define WME_MAX_BA WME_BA_BMP_SIZE | |
32 | #define ATH_TID_MAX_BUFS (2 * WME_MAX_BA) | |
33 | ||
066dae93 FF |
34 | /* These must match mac80211 skb queue mapping numbers */ |
35 | #define WME_AC_VO 0 | |
36 | #define WME_AC_VI 1 | |
37 | #define WME_AC_BE 2 | |
38 | #define WME_AC_BK 3 | |
db86f07e LR |
39 | #define WME_NUM_AC 4 |
40 | ||
41 | #define ATH_RSSI_DUMMY_MARKER 0x127 | |
42 | #define ATH_RSSI_LPF_LEN 10 | |
43 | #define RSSI_LPF_THRESHOLD -20 | |
44 | #define ATH_RSSI_EP_MULTIPLIER (1<<7) | |
45 | #define ATH_EP_MUL(x, mul) ((x) * (mul)) | |
46 | #define ATH_RSSI_IN(x) (ATH_EP_MUL((x), ATH_RSSI_EP_MULTIPLIER)) | |
47 | #define ATH_LPF_RSSI(x, y, len) \ | |
48 | ((x != ATH_RSSI_DUMMY_MARKER) ? (((x) * ((len) - 1) + (y)) / (len)) : (y)) | |
49 | #define ATH_RSSI_LPF(x, y) do { \ | |
50 | if ((y) >= RSSI_LPF_THRESHOLD) \ | |
51 | x = ATH_LPF_RSSI((x), ATH_RSSI_IN((y)), ATH_RSSI_LPF_LEN); \ | |
52 | } while (0) | |
53 | #define ATH_EP_RND(x, mul) \ | |
54 | ((((x)%(mul)) >= ((mul)/2)) ? ((x) + ((mul) - 1)) / (mul) : (x)/(mul)) | |
55 | ||
d99eeb87 VN |
56 | /* Defines the BT AR_BT_COEX_WGHT used */ |
57 | enum ath_stomp_type { | |
58 | ATH_BTCOEX_NO_STOMP, | |
59 | ATH_BTCOEX_STOMP_ALL, | |
60 | ATH_BTCOEX_STOMP_LOW, | |
61 | ATH_BTCOEX_STOMP_NONE | |
62 | }; | |
63 | ||
1bc14880 | 64 | int ath9k_cmn_padpos(__le16 frame_control); |
fb9987d0 | 65 | int ath9k_cmn_get_hw_crypto_keytype(struct sk_buff *skb); |
babcbc29 FF |
66 | void ath9k_cmn_update_ichannel(struct ath9k_channel *ichan, |
67 | struct ieee80211_channel *chan, | |
68 | enum nl80211_channel_type channel_type); | |
fb9987d0 S |
69 | struct ath9k_channel *ath9k_cmn_get_curchannel(struct ieee80211_hw *hw, |
70 | struct ath_hw *ah); | |
61389f3e | 71 | int ath9k_cmn_count_streams(unsigned int chainmask, int max); |
d99eeb87 VN |
72 | void ath9k_cmn_btcoex_bt_stomp(struct ath_common *common, |
73 | enum ath_stomp_type stomp_type); |