1 /******************************************************************************
2  *
3  * Copyright(c) 2009-2012  Realtek Corporation.
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  * The full GNU General Public License is included in this distribution in the
19  * file called LICENSE.
20  *
21  * Contact Information:
22  * wlanfae <wlanfae@realtek.com>
23  * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
24  * Hsinchu 300, Taiwan.
25  *
26  * Larry Finger <Larry.Finger@lwfinger.net>
27  *
28  *****************************************************************************/
29 
30 #ifndef __RTL_BASE_H__
31 #define __RTL_BASE_H__
32 
33 enum ap_peer {
34 	PEER_UNKNOWN = 0,
35 	PEER_RTL = 1,
36 	PEER_RTL_92SE = 2,
37 	PEER_BROAD = 3,
38 	PEER_RAL = 4,
39 	PEER_ATH = 5,
40 	PEER_CISCO = 6,
41 	PEER_MARV = 7,
42 	PEER_AIRGO = 9,
43 	PEER_MAX = 10,
44 } ;
45 
46 #define RTL_DUMMY_OFFSET	0
47 #define RTL_DUMMY_UNIT		8
48 #define RTL_TX_DUMMY_SIZE	(RTL_DUMMY_OFFSET * RTL_DUMMY_UNIT)
49 #define RTL_TX_DESC_SIZE	32
50 #define RTL_TX_HEADER_SIZE	(RTL_TX_DESC_SIZE + RTL_TX_DUMMY_SIZE)
51 
52 #define HT_AMSDU_SIZE_4K	3839
53 #define HT_AMSDU_SIZE_8K	7935
54 
55 #define MAX_BIT_RATE_40MHZ_MCS15	300	/* Mbps */
56 #define MAX_BIT_RATE_40MHZ_MCS7		150	/* Mbps */
57 
58 #define RTL_RATE_COUNT_LEGACY		12
59 #define RTL_CHANNEL_COUNT		14
60 
61 #define FRAME_OFFSET_FRAME_CONTROL	0
62 #define FRAME_OFFSET_DURATION		2
63 #define FRAME_OFFSET_ADDRESS1		4
64 #define FRAME_OFFSET_ADDRESS2		10
65 #define FRAME_OFFSET_ADDRESS3		16
66 #define FRAME_OFFSET_SEQUENCE		22
67 #define FRAME_OFFSET_ADDRESS4		24
68 
69 #define SET_80211_HDR_FRAME_CONTROL(_hdr, _val)		\
70 	WRITEEF2BYTE(_hdr, _val)
71 #define SET_80211_HDR_TYPE_AND_SUBTYPE(_hdr, _val)	\
72 	WRITEEF1BYTE(_hdr, _val)
73 #define SET_80211_HDR_PWR_MGNT(_hdr, _val)		\
74 	SET_BITS_TO_LE_2BYTE(_hdr, 12, 1, _val)
75 #define SET_80211_HDR_TO_DS(_hdr, _val)			\
76 	SET_BITS_TO_LE_2BYTE(_hdr, 8, 1, _val)
77 
78 #define SET_80211_PS_POLL_AID(_hdr, _val)		\
79 	(*(u16 *)((u8 *)(_hdr) + 2) = _val)
80 #define SET_80211_PS_POLL_BSSID(_hdr, _val)		\
81 	memcpy(((u8 *)(_hdr)) + 4, (u8 *)(_val), ETH_ALEN)
82 #define SET_80211_PS_POLL_TA(_hdr, _val)		\
83 	memcpy(((u8 *)(_hdr)) + 10, (u8 *)(_val), ETH_ALEN)
84 
85 #define SET_80211_HDR_DURATION(_hdr, _val)	\
86 	(*(u16 *)((u8 *)(_hdr) + FRAME_OFFSET_DURATION) = le16_to_cpu(_val))
87 #define SET_80211_HDR_ADDRESS1(_hdr, _val)	\
88 	CP_MACADDR((u8 *)(_hdr)+FRAME_OFFSET_ADDRESS1, (u8 *)(_val))
89 #define SET_80211_HDR_ADDRESS2(_hdr, _val)	\
90 	CP_MACADDR((u8 *)(_hdr)+FRAME_OFFSET_ADDRESS2, (u8 *)(_val))
91 #define SET_80211_HDR_ADDRESS3(_hdr, _val)	\
92 	CP_MACADDR((u8 *)(_hdr)+FRAME_OFFSET_ADDRESS3, (u8 *)(_val))
93 #define SET_80211_HDR_FRAGMENT_SEQUENCE(_hdr, _val)  \
94 	WRITEEF2BYTE((u8 *)(_hdr)+FRAME_OFFSET_SEQUENCE, _val)
95 
96 #define SET_BEACON_PROBE_RSP_TIME_STAMP_LOW(__phdr, __val)	\
97 	WRITEEF4BYTE(((u8 *)(__phdr)) + 24, __val)
98 #define SET_BEACON_PROBE_RSP_TIME_STAMP_HIGH(__phdr, __val) \
99 	WRITEEF4BYTE(((u8 *)(__phdr)) + 28, __val)
100 #define SET_BEACON_PROBE_RSP_BEACON_INTERVAL(__phdr, __val) \
101 	WRITEEF2BYTE(((u8 *)(__phdr)) + 32, __val)
102 #define GET_BEACON_PROBE_RSP_CAPABILITY_INFO(__phdr)		\
103 	READEF2BYTE(((u8 *)(__phdr)) + 34)
104 #define SET_BEACON_PROBE_RSP_CAPABILITY_INFO(__phdr, __val) \
105 	WRITEEF2BYTE(((u8 *)(__phdr)) + 34, __val)
106 #define MASK_BEACON_PROBE_RSP_CAPABILITY_INFO(__phdr, __val) \
107 	SET_BEACON_PROBE_RSP_CAPABILITY_INFO(__phdr, \
108 	(GET_BEACON_PROBE_RSP_CAPABILITY_INFO(__phdr) & (~(__val))))
109 
110 int rtl_init_core(struct ieee80211_hw *hw);
111 void rtl_deinit_core(struct ieee80211_hw *hw);
112 void rtl_init_rx_config(struct ieee80211_hw *hw);
113 void rtl_init_rfkill(struct ieee80211_hw *hw);
114 void rtl_deinit_rfkill(struct ieee80211_hw *hw);
115 
116 void rtl_watch_dog_timer_callback(unsigned long data);
117 void rtl_deinit_deferred_work(struct ieee80211_hw *hw);
118 
119 bool rtl_action_proc(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx);
120 u8 rtl_is_special_data(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx);
121 
122 void rtl_watch_dog_timer_callback(unsigned long data);
123 int rtl_tx_agg_start(struct ieee80211_hw *hw, struct ieee80211_sta *sta,
124 		     u16 tid, u16 *ssn);
125 int rtl_tx_agg_stop(struct ieee80211_hw *hw, struct ieee80211_sta *sta,
126 		    u16 tid);
127 int rtl_tx_agg_oper(struct ieee80211_hw *hw, struct ieee80211_sta *sta,
128 		    u16 tid);
129 void rtl_watchdog_wq_callback(void *data);
130 
131 void rtl_get_tcb_desc(struct ieee80211_hw *hw,
132 		      struct ieee80211_tx_info *info,
133 		      struct ieee80211_sta *sta,
134 		      struct sk_buff *skb, struct rtl_tcb_desc *tcb_desc);
135 
136 int rtl_send_smps_action(struct ieee80211_hw *hw,
137 		struct ieee80211_sta *sta, u8 *da, u8 *bssid,
138 		enum ieee80211_smps_mode smps);
139 u8 *rtl_find_ie(u8 *data, unsigned int len, u8 ie);
140 void rtl_recognize_peer(struct ieee80211_hw *hw, u8 *data, unsigned int len);
141 u8 rtl_tid_to_ac(struct ieee80211_hw *hw, u8 tid);
142 extern struct attribute_group rtl_attribute_group;
143 int rtlwifi_rate_mapping(struct ieee80211_hw *hw,
144 			 bool isht, u8 desc_rate, bool first_ampdu);
145 #endif
146