1 /******************************************************************************
2  *
3  * Copyright(c) 2009-2010  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 #ifndef __RTL_BASE_H__
30 #define __RTL_BASE_H__
31 
32 #define RTL_DUMMY_OFFSET	0
33 #define RTL_RX_DESC_SIZE	24
34 #define RTL_DUMMY_UNIT		8
35 #define RTL_TX_DUMMY_SIZE	(RTL_DUMMY_OFFSET * RTL_DUMMY_UNIT)
36 #define RTL_TX_DESC_SIZE	32
37 #define RTL_TX_HEADER_SIZE	(RTL_TX_DESC_SIZE + RTL_TX_DUMMY_SIZE)
38 
39 #define HT_AMSDU_SIZE_4K	3839
40 #define HT_AMSDU_SIZE_8K	7935
41 
42 #define MAX_BIT_RATE_40MHZ_MCS15	300	/* Mbps */
43 #define MAX_BIT_RATE_40MHZ_MCS7		150	/* Mbps */
44 
45 #define RTL_RATE_COUNT_LEGACY		12
46 #define RTL_CHANNEL_COUNT		14
47 
48 #define FRAME_OFFSET_FRAME_CONTROL	0
49 #define FRAME_OFFSET_DURATION		2
50 #define FRAME_OFFSET_ADDRESS1		4
51 #define FRAME_OFFSET_ADDRESS2		10
52 #define FRAME_OFFSET_ADDRESS3		16
53 #define FRAME_OFFSET_SEQUENCE		22
54 #define FRAME_OFFSET_ADDRESS4		24
55 
56 
57 #define SET_80211_PS_POLL_AID(_hdr, _val)		\
58 	(*(u16 *)((u8 *)(_hdr) + 2) = le16_to_cpu(_val))
59 #define SET_80211_PS_POLL_BSSID(_hdr, _val)		\
60 	memcpy(((u8 *)(_hdr)) + 4, (u8 *)(_val), ETH_ALEN)
61 #define SET_80211_PS_POLL_TA(_hdr, _val)		\
62 	memcpy(((u8 *)(_hdr)) + 10, (u8 *)(_val), ETH_ALEN)
63 
64 #define SET_80211_HDR_DURATION(_hdr, _val)	\
65 	(*(u16 *)((u8 *)(_hdr) + FRAME_OFFSET_DURATION) = le16_to_cpu(_val))
66 #define SET_80211_HDR_ADDRESS1(_hdr, _val)	\
67 	memcpy((u8 *)(_hdr)+FRAME_OFFSET_ADDRESS1, (u8*)(_val), ETH_ALEN)
68 #define SET_80211_HDR_ADDRESS2(_hdr, _val)	\
69 	memcpy((u8 *)(_hdr) + FRAME_OFFSET_ADDRESS2, (u8 *)(_val), ETH_ALEN)
70 #define SET_80211_HDR_ADDRESS3(_hdr, _val)	\
71 	memcpy((u8 *)(_hdr)+FRAME_OFFSET_ADDRESS3, (u8 *)(_val), ETH_ALEN)
72 
73 int rtl_init_core(struct ieee80211_hw *hw);
74 void rtl_deinit_core(struct ieee80211_hw *hw);
75 void rtl_init_rx_config(struct ieee80211_hw *hw);
76 void rtl_init_rfkill(struct ieee80211_hw *hw);
77 void rtl_deinit_rfkill(struct ieee80211_hw *hw);
78 
79 void rtl_watch_dog_timer_callback(unsigned long data);
80 void rtl_deinit_deferred_work(struct ieee80211_hw *hw);
81 
82 bool rtl_action_proc(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx);
83 bool rtl_tx_mgmt_proc(struct ieee80211_hw *hw, struct sk_buff *skb);
84 u8 rtl_is_special_data(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx);
85 
86 void rtl_watch_dog_timer_callback(unsigned long data);
87 int rtl_tx_agg_start(struct ieee80211_hw *hw, const u8 *ra,
88 		     u16 tid, u16 *ssn);
89 int rtl_tx_agg_stop(struct ieee80211_hw *hw, const u8 *ra, u16 tid);
90 void rtl_watchdog_wq_callback(void *data);
91 
92 void rtl_get_tcb_desc(struct ieee80211_hw *hw,
93 		      struct ieee80211_tx_info *info,
94 		      struct sk_buff *skb, struct rtl_tcb_desc *tcb_desc);
95 
96 extern struct attribute_group rtl_attribute_group;
97 #endif
98