123 lines
3.3 KiB
C
123 lines
3.3 KiB
C
|
/*
|
||
|
|
* Copyright (c) 2004-2012 Atheros Communications Inc.
|
||
|
|
*
|
||
|
|
* Permission to use, copy, modify, and/or distribute this software for any
|
||
|
|
* purpose with or without fee is hereby granted, provided that the above
|
||
|
|
* copyright notice and this permission notice appear in all copies.
|
||
|
|
*
|
||
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
||
|
|
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
||
|
|
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
||
|
|
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
||
|
|
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
||
|
|
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
||
|
|
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef HTCOEX_H
|
||
|
|
#define HTCOEX_H
|
||
|
|
|
||
|
|
#define ATH6KL_HTCOEX_SCAN_PERIOD (60 * 1000) /* in ms */
|
||
|
|
|
||
|
|
/* in scan cycle */
|
||
|
|
#define ATH6KL_HTCOEX_RATE_ROLLBACK (0)
|
||
|
|
|
||
|
|
/* htcoex enable/disable */
|
||
|
|
#define ATH6KL_HTCOEX_FLAGS_ENABLED BIT(0)
|
||
|
|
|
||
|
|
/* htcoex start/stop */
|
||
|
|
#define ATH6KL_HTCOEX_FLAGS_START BIT(1)
|
||
|
|
|
||
|
|
/* 1x1/2x2 solution only */
|
||
|
|
#define ATH6KL_HTCOEX_RATEMASK_FULL (0x00000fffffffffffULL)
|
||
|
|
#define ATH6KL_HTCOEX_RATEMASK_HT20 (0x000000000fffffffULL)
|
||
|
|
#define ATH6KL_HTCOEX_RATEMASK_HT40 (0x00000fffffffffffULL)
|
||
|
|
|
||
|
|
struct htcoex_coex_info {
|
||
|
|
u32 intolerant40;
|
||
|
|
int num_chans;
|
||
|
|
u8 chans[14];
|
||
|
|
};
|
||
|
|
|
||
|
|
struct htcoex_bss_info {
|
||
|
|
struct list_head list;
|
||
|
|
|
||
|
|
u8 *raw_frame;
|
||
|
|
u16 frame_len;
|
||
|
|
u8 bssid[ETH_ALEN];
|
||
|
|
struct ieee80211_channel *channel;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct htcoex {
|
||
|
|
struct ath6kl_vif *vif;
|
||
|
|
u32 flags;
|
||
|
|
u32 scan_interval; /* in ms, 0 means htcoex disable. */
|
||
|
|
u32 num_scan;
|
||
|
|
|
||
|
|
u8 rate_rollback_interval; /* in scan cycle, 0 means no roll-back. */
|
||
|
|
u64 current_ratemask;
|
||
|
|
u32 tolerant40_cnt;
|
||
|
|
|
||
|
|
struct timer_list scan_timer;
|
||
|
|
struct cfg80211_scan_request request;
|
||
|
|
|
||
|
|
spinlock_t bss_info_lock;
|
||
|
|
struct list_head bss_info_list;
|
||
|
|
|
||
|
|
s8 num_scan_channels;
|
||
|
|
u16 *scan_channels;
|
||
|
|
};
|
||
|
|
|
||
|
|
enum {
|
||
|
|
HTCOEX_PORC_SCAN_DONE = 0,
|
||
|
|
HTCOEX_PASS_SCAN_DONE,
|
||
|
|
};
|
||
|
|
|
||
|
|
/* COEX action codes */
|
||
|
|
enum ieee80211_coex_actioncode {
|
||
|
|
WLAN_COEX_ACTION_2040COEX_MGMT = 0,
|
||
|
|
};
|
||
|
|
|
||
|
|
/* Public action frame format */
|
||
|
|
struct ieee80211_action_public {
|
||
|
|
u8 category;
|
||
|
|
u8 action_code;
|
||
|
|
u8 variable[0];
|
||
|
|
} __packed;
|
||
|
|
|
||
|
|
/* 20/40 BSS Coexistence IE */
|
||
|
|
#define IEEE80211_COEX_IE_INFO_REQ (1 << 0)
|
||
|
|
#define IEEE80211_COEX_IE_40_INTOLERANT (1 << 1)
|
||
|
|
#define IEEE80211_COEX_IE_20_WIDTH_REQ (1 << 2)
|
||
|
|
#define IEEE80211_COEX_IE_OBSS_SCAN_REQ (1 << 3)
|
||
|
|
#define IEEE80211_COEX_IE_OBSS_SCAN_GRANT (1 << 4)
|
||
|
|
|
||
|
|
struct ieee80211_bss_coex_ie {
|
||
|
|
u8 element_id;
|
||
|
|
u8 len;
|
||
|
|
u8 value;
|
||
|
|
} __packed;
|
||
|
|
|
||
|
|
/* 20/40 BSS Intolerant Channel Report IE */
|
||
|
|
#define WLAN_EID_INTOLERANT_CHAN_REPORT 73
|
||
|
|
|
||
|
|
struct ieee80211_intolerant_chan_report_ie {
|
||
|
|
u8 element_id;
|
||
|
|
u8 len;
|
||
|
|
u8 reg_class;
|
||
|
|
u8 chan_variable[0];
|
||
|
|
} __packed;
|
||
|
|
|
||
|
|
struct htcoex *ath6kl_htcoex_init(struct ath6kl_vif *vif);
|
||
|
|
void ath6kl_htcoex_deinit(struct ath6kl_vif *vif);
|
||
|
|
void ath6kl_htcoex_bss_info(struct ath6kl_vif *vif,
|
||
|
|
struct ieee80211_mgmt *mgmt,
|
||
|
|
int len,
|
||
|
|
struct ieee80211_channel *channel);
|
||
|
|
int ath6kl_htcoex_scan_complete_event(struct ath6kl_vif *vif, bool aborted);
|
||
|
|
void ath6kl_htcoex_connect_event(struct ath6kl_vif *vif);
|
||
|
|
void ath6kl_htcoex_disconnect_event(struct ath6kl_vif *vif);
|
||
|
|
int ath6kl_htcoex_config(struct ath6kl_vif *vif,
|
||
|
|
u32 interval, u8 rate_rollback);
|
||
|
|
#endif
|