/******************************************************************************
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*
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* Copyright(c) 2007 - 2022 Realtek Corporation.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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*****************************************************************************/
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#ifndef __RTW_CHSET_H__
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#define __RTW_CHSET_H__
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enum rtw_ch_type {
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RTW_CHT_DIS = 0,
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RTW_CHT_NO_IR = 1,
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RTW_CHT_DFS = 2,
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RTW_CHT_NO_HT40U = 3,
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RTW_CHT_NO_HT40L = 4,
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RTW_CHT_NO_80MHZ = 5,
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RTW_CHT_NO_160MHZ = 6,
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RTW_CHT_NUM,
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};
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extern const char *const _rtw_ch_type_str[];
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#define rtw_ch_type_str(type) (((type) >= RTW_CHT_NUM) ? _rtw_ch_type_str[RTW_CHT_NUM] : _rtw_ch_type_str[(type)])
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enum rtw_ch_type get_ch_type_from_str(const char *str, size_t str_len);
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enum {
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RTW_CHF_DIS = BIT(RTW_CHT_DIS),
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RTW_CHF_NO_IR = BIT(RTW_CHT_NO_IR),
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RTW_CHF_DFS = BIT(RTW_CHT_DFS),
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RTW_CHF_NO_HT40U = BIT(RTW_CHT_NO_HT40U),
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RTW_CHF_NO_HT40L = BIT(RTW_CHT_NO_HT40L),
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RTW_CHF_NO_80MHZ = BIT(RTW_CHT_NO_80MHZ),
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RTW_CHF_NO_160MHZ = BIT(RTW_CHT_NO_160MHZ),
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};
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#define RTW_CH_FLAGS_STR_LEN (45)
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char *rtw_get_ch_flags_str(char *buf, u8 flags, char delim);
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/* The channel information about this channel including joining, scanning, and power constraints. */
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typedef struct _RT_CHANNEL_INFO {
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u8 band; /* enum band_type */
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u8 ChannelNum; /* The channel number. */
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/*
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* Bitmap and its usage:
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* RTW_CHF_DIS, RTW_CHF_NO_IR, RTW_CHF_DFS: is used to check for status
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* RTW_CHF_NO_HT40U, RTW_CHF_NO_HT40L, RTW_CHF_NO_80MHZ, RTW_CHF_NO_160MHZ: extra bandwidth limitation (ex: from regulatory)
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*/
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u8 flags;
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bool reg_no_ir;
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systime bcn_hint_end_time;
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#ifdef CONFIG_FIND_BEST_CHANNEL
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u32 rx_count;
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#endif
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#if CONFIG_IEEE80211_BAND_5GHZ && CONFIG_DFS
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#ifdef CONFIG_DFS_MASTER
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bool cac_done;
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systime non_ocp_end_time;
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#endif
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#endif
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u8 hidden_bss_cnt; /* per scan count */
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#if defined(CONFIG_IOCTL_CFG80211) && !RTW_PER_ADAPTER_WIPHY
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void *os_chan;
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#endif
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} RT_CHANNEL_INFO, *PRT_CHANNEL_INFO;
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#define RTW_BCN_HINT_STOPPED 0 /* used by bcn_hint_end_time time stamps */
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#define CH_IS_BCN_HINT_STOPPED(rt_ch_info) ((rt_ch_info)->bcn_hint_end_time == RTW_BCN_HINT_STOPPED)
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#define CH_IS_BCN_HINT(rt_ch_info) (!CH_IS_BCN_HINT_STOPPED(rt_ch_info) && rtw_time_after((rt_ch_info)->bcn_hint_end_time, rtw_get_current_time()))
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struct rtw_chset {
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RT_CHANNEL_INFO chs[MAX_CHANNEL_NUM];
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u8 chs_len;
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RT_CHANNEL_INFO *chs_of_band[BAND_MAX];
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u8 chs_len_of_band[BAND_MAX];
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u8 enable_ch_num;
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};
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int rtw_chset_init(struct rtw_chset *chset, u8 band_bmp);
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RTW_FUNC_2G_5G_ONLY int rtw_chset_search_ch(const struct rtw_chset *chset, u32 ch);
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RTW_FUNC_2G_5G_ONLY u8 rtw_chset_is_chbw_valid(const struct rtw_chset *chset, u8 ch, u8 bw, u8 offset
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, bool allow_primary_passive, bool allow_passive);
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RTW_FUNC_2G_5G_ONLY void rtw_chset_sync_chbw(const struct rtw_chset *chset, u8 *req_ch, u8 *req_bw, u8 *req_offset
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, u8 *g_ch, u8 *g_bw, u8 *g_offset, bool allow_primary_passive, bool allow_passive);
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int rtw_chset_search_bch(const struct rtw_chset *chset, enum band_type band, u32 ch);
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RT_CHANNEL_INFO *rtw_chset_get_chinfo_by_bch(struct rtw_chset *chset, enum band_type band, u32 ch, bool include_dis);
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u8 rtw_chset_is_bchbw_valid(const struct rtw_chset *chset, enum band_type band, u8 ch, u8 bw, u8 offset
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, bool allow_primary_passive, bool allow_passive);
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void rtw_chset_sync_bchbw(const struct rtw_chset *chset, enum band_type *req_band, u8 *req_ch, u8 *req_bw, u8 *req_offset
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, enum band_type *g_band, u8 *g_ch, u8 *g_bw, u8 *g_offset, bool allow_primary_passive, bool allow_passive);
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u8 *rtw_chset_set_spt_chs_ie(struct rtw_chset *chset, u8 *buf_pos, uint *buf_len);
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#ifdef CONFIG_PROC_DEBUG
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void dump_chinfos(void *sel, const RT_CHANNEL_INFO *chinfos, u8 chinfo_num);
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#endif
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#endif /* __RTW_CHSET_H__ */
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