base.h

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/******************************************************************************
 *
 * Copyright(c) 2009-2012  Realtek Corporation.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of version 2 of the GNU General Public License as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
 *
 * The full GNU General Public License is included in this distribution in the
 * file called LICENSE.
 *
 * Contact Information:
 * wlanfae <[email protected]>
 * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
 * Hsinchu 300, Taiwan.
 *
 * Larry Finger <[email protected]>
 *
 *****************************************************************************/

#ifndef __RTL_BASE_H__
#define __RTL_BASE_H__

enum ap_peer {
    PEER_UNKNOWN = 0,
    PEER_RTL = 1,
    PEER_RTL_92SE = 2,
    PEER_BROAD = 3,
    PEER_RAL = 4,
    PEER_ATH = 5,
    PEER_CISCO = 6,
    PEER_MARV = 7,
    PEER_AIRGO = 9,
    PEER_MAX = 10,
} ;

#define RTL_DUMMY_OFFSET    0
#define RTL_DUMMY_UNIT      8
#define RTL_TX_DUMMY_SIZE   (RTL_DUMMY_OFFSET * RTL_DUMMY_UNIT)
#define RTL_TX_DESC_SIZE    32
#define RTL_TX_HEADER_SIZE  (RTL_TX_DESC_SIZE + RTL_TX_DUMMY_SIZE)

#define HT_AMSDU_SIZE_4K    3839
#define HT_AMSDU_SIZE_8K    7935

#define MAX_BIT_RATE_40MHZ_MCS15    300 /* Mbps */
#define MAX_BIT_RATE_40MHZ_MCS7     150 /* Mbps */

#define RTL_RATE_COUNT_LEGACY       12
#define RTL_CHANNEL_COUNT       14

#define FRAME_OFFSET_FRAME_CONTROL  0
#define FRAME_OFFSET_DURATION       2
#define FRAME_OFFSET_ADDRESS1       4
#define FRAME_OFFSET_ADDRESS2       10
#define FRAME_OFFSET_ADDRESS3       16
#define FRAME_OFFSET_SEQUENCE       22
#define FRAME_OFFSET_ADDRESS4       24

#define SET_80211_HDR_FRAME_CONTROL(_hdr, _val)     \
    WRITEEF2BYTE(_hdr, _val)
#define SET_80211_HDR_TYPE_AND_SUBTYPE(_hdr, _val)  \
    WRITEEF1BYTE(_hdr, _val)
#define SET_80211_HDR_PWR_MGNT(_hdr, _val)      \
    SET_BITS_TO_LE_2BYTE(_hdr, 12, 1, _val)
#define SET_80211_HDR_TO_DS(_hdr, _val)         \
    SET_BITS_TO_LE_2BYTE(_hdr, 8, 1, _val)

#define SET_80211_PS_POLL_AID(_hdr, _val)       \
    (*(u16 *)((u8 *)(_hdr) + 2) = _val)
#define SET_80211_PS_POLL_BSSID(_hdr, _val)     \
    memcpy(((u8 *)(_hdr)) + 4, (u8 *)(_val), ETH_ALEN)
#define SET_80211_PS_POLL_TA(_hdr, _val)        \
    memcpy(((u8 *)(_hdr)) + 10, (u8 *)(_val), ETH_ALEN)

#define SET_80211_HDR_DURATION(_hdr, _val)  \
    (*(u16 *)((u8 *)(_hdr) + FRAME_OFFSET_DURATION) = le16_to_cpu(_val))
#define SET_80211_HDR_ADDRESS1(_hdr, _val)  \
    CP_MACADDR((u8 *)(_hdr)+FRAME_OFFSET_ADDRESS1, (u8 *)(_val))
#define SET_80211_HDR_ADDRESS2(_hdr, _val)  \
    CP_MACADDR((u8 *)(_hdr)+FRAME_OFFSET_ADDRESS2, (u8 *)(_val))
#define SET_80211_HDR_ADDRESS3(_hdr, _val)  \
    CP_MACADDR((u8 *)(_hdr)+FRAME_OFFSET_ADDRESS3, (u8 *)(_val))
#define SET_80211_HDR_FRAGMENT_SEQUENCE(_hdr, _val)  \
    WRITEEF2BYTE((u8 *)(_hdr)+FRAME_OFFSET_SEQUENCE, _val)

#define SET_BEACON_PROBE_RSP_TIME_STAMP_LOW(__phdr, __val)  \
    WRITEEF4BYTE(((u8 *)(__phdr)) + 24, __val)
#define SET_BEACON_PROBE_RSP_TIME_STAMP_HIGH(__phdr, __val) \
    WRITEEF4BYTE(((u8 *)(__phdr)) + 28, __val)
#define SET_BEACON_PROBE_RSP_BEACON_INTERVAL(__phdr, __val) \
    WRITEEF2BYTE(((u8 *)(__phdr)) + 32, __val)
#define GET_BEACON_PROBE_RSP_CAPABILITY_INFO(__phdr)        \
    READEF2BYTE(((u8 *)(__phdr)) + 34)
#define SET_BEACON_PROBE_RSP_CAPABILITY_INFO(__phdr, __val) \
    WRITEEF2BYTE(((u8 *)(__phdr)) + 34, __val)
#define MASK_BEACON_PROBE_RSP_CAPABILITY_INFO(__phdr, __val) \
    SET_BEACON_PROBE_RSP_CAPABILITY_INFO(__phdr, \
    (GET_BEACON_PROBE_RSP_CAPABILITY_INFO(__phdr) & (~(__val))))

int rtl_init_core(struct ieee80211_hw *hw);
void rtl_deinit_core(struct ieee80211_hw *hw);
void rtl_init_rx_config(struct ieee80211_hw *hw);
void rtl_init_rfkill(struct ieee80211_hw *hw);
void rtl_deinit_rfkill(struct ieee80211_hw *hw);

void rtl_watch_dog_timer_callback(unsigned long data);
void rtl_deinit_deferred_work(struct ieee80211_hw *hw);

bool rtl_action_proc(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx);
u8 rtl_is_special_data(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx);

void rtl_watch_dog_timer_callback(unsigned long data);
int rtl_tx_agg_start(struct ieee80211_hw *hw, struct ieee80211_sta *sta,
             u16 tid, u16 *ssn);
int rtl_tx_agg_stop(struct ieee80211_hw *hw, struct ieee80211_sta *sta,
            u16 tid);
int rtl_tx_agg_oper(struct ieee80211_hw *hw, struct ieee80211_sta *sta,
            u16 tid);
void rtl_watchdog_wq_callback(void *data);

void rtl_get_tcb_desc(struct ieee80211_hw *hw,
              struct ieee80211_tx_info *info,
              struct ieee80211_sta *sta,
              struct sk_buff *skb, struct rtl_tcb_desc *tcb_desc);

int rtl_send_smps_action(struct ieee80211_hw *hw,
        struct ieee80211_sta *sta, u8 *da, u8 *bssid,
        enum ieee80211_smps_mode smps);
u8 *rtl_find_ie(u8 *data, unsigned int len, u8 ie);
void rtl_recognize_peer(struct ieee80211_hw *hw, u8 *data, unsigned int len);
u8 rtl_tid_to_ac(u8 tid);
extern struct attribute_group rtl_attribute_group;
int rtlwifi_rate_mapping(struct ieee80211_hw *hw,
             bool isht, u8 desc_rate, bool first_ampdu);
#endif