| /* |
| * Copyright (c) 2014, 2016-2017 The Linux Foundation. All rights reserved. |
| * |
| * Previously licensed under the ISC license by Qualcomm Atheros, 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. |
| */ |
| |
| /* |
| * This file was originally distributed by Qualcomm Atheros, Inc. |
| * under proprietary terms before Copyright ownership was assigned |
| * to the Linux Foundation. |
| */ |
| |
| #include "ath_dfs_structs.h" |
| #include "_ieee80211_common.h" |
| #include <vos_lock.h> |
| #define IEEE80211_CHAN_MAX 255 |
| |
| /* channel attributes */ |
| |
| /* Turbo channel */ |
| #define IEEE80211_CHAN_TURBO 0x00000010 |
| /* CCK channel */ |
| #define IEEE80211_CHAN_CCK 0x00000020 |
| /* OFDM channel */ |
| #define IEEE80211_CHAN_OFDM 0x00000040 |
| /* 2 GHz spectrum channel. */ |
| #define IEEE80211_CHAN_2GHZ 0x00000080 |
| /* 5 GHz spectrum channel */ |
| #define IEEE80211_CHAN_5GHZ 0x00000100 |
| /* Only passive scan allowed */ |
| #define IEEE80211_CHAN_PASSIVE 0x00000200 |
| /* Dynamic CCK-OFDM channel */ |
| #define IEEE80211_CHAN_DYN 0x00000400 |
| /* GFSK channel (FHSS PHY) */ |
| #define IEEE80211_CHAN_GFSK 0x00000800 |
| /* Radar found on channel */ |
| #define IEEE80211_CHAN_RADAR 0x00001000 |
| /* 11a static turbo channel only */ |
| #define IEEE80211_CHAN_STURBO 0x00002000 |
| /* Half rate channel */ |
| #define IEEE80211_CHAN_HALF 0x00004000 |
| /* Quarter rate channel */ |
| #define IEEE80211_CHAN_QUARTER 0x00008000 |
| /* HT 20 channel */ |
| #define IEEE80211_CHAN_HT20 0x00010000 |
| /* HT 40 with extension channel above */ |
| #define IEEE80211_CHAN_HT40PLUS 0x00020000 |
| /* HT 40 with extension channel below */ |
| #define IEEE80211_CHAN_HT40MINUS 0x00040000 |
| /* HT 40 Intolerant */ |
| #define IEEE80211_CHAN_HT40INTOL 0x00080000 |
| /* VHT 20 channel */ |
| #define IEEE80211_CHAN_VHT20 0x00100000 |
| /* VHT 40 with extension channel above */ |
| #define IEEE80211_CHAN_VHT40PLUS 0x00200000 |
| /* VHT 40 with extension channel below */ |
| #define IEEE80211_CHAN_VHT40MINUS 0x00400000 |
| /* VHT 80 channel */ |
| #define IEEE80211_CHAN_VHT80 0x00800000 |
| |
| /* token for ``any channel'' */ |
| #define IEEE80211_CHAN_ANY (-1) |
| #define IEEE80211_CHAN_ANYC \ |
| ((struct ieee80211_channel *) IEEE80211_CHAN_ANY) |
| |
| |
| #define IEEE80211_IS_CHAN_11N_HT40MINUS(_c) \ |
| (((_c)->ic_flags & IEEE80211_CHAN_HT40MINUS) != 0) |
| #define IEEE80211_IS_CHAN_11N_HT40PLUS(_c) \ |
| (((_c)->ic_flags & IEEE80211_CHAN_HT40PLUS) != 0) |
| #define IEEE80211_CHAN_11AC_VHT80 \ |
| (IEEE80211_CHAN_5GHZ | IEEE80211_CHAN_VHT80) |
| |
| |
| #define IEEE80211_IS_CHAN_11AC_VHT80(_c) \ |
| (((_c)->ic_flags & IEEE80211_CHAN_11AC_VHT80) == \ |
| IEEE80211_CHAN_11AC_VHT80) |
| #define CHANNEL_108G \ |
| (IEEE80211_CHAN_2GHZ|IEEE80211_CHAN_OFDM|IEEE80211_CHAN_TURBO) |
| |
| /* |
| * Software use: channel interference |
| * used for as AR as well as RADAR |
| * interference detection |
| */ |
| #define CHANNEL_INTERFERENCE 0x01 |
| /* In case of VHT160, we can have 8 20Mhz channels */ |
| #define IEE80211_MAX_20M_SUB_CH 8 |
| |
| struct ieee80211_channel |
| { |
| u_int32_t ic_freq; /* setting in Mhz */ |
| u_int32_t ic_flags; /* see below */ |
| u_int8_t ic_flagext; /* see below */ |
| u_int8_t ic_ieee; /* IEEE channel number */ |
| |
| /* maximum regulatory tx power in dBm */ |
| int8_t ic_maxregpower; |
| |
| int8_t ic_maxpower; /* maximum tx power in dBm */ |
| int8_t ic_minpower; /* minimum tx power in dBm */ |
| u_int8_t ic_regClassId; /* regClassId of this channel */ |
| u_int8_t ic_antennamax; /* antenna gain max from regulatory */ |
| u_int32_t ic_vhtop_ch_freq_seg1; /* Channel Center frequency */ |
| |
| /* Channel Center frequency applicable*/ |
| u_int32_t ic_vhtop_ch_freq_seg2; |
| |
| /* |
| * spectral separation between pri channel |
| * and the center frequency in MHz |
| */ |
| int ic_pri_freq_center_freq_mhz_separation; |
| }; |
| |
| struct ieee80211_channel_list |
| { |
| int cl_nchans; |
| struct ieee80211_channel *cl_channels[IEE80211_MAX_20M_SUB_CH]; |
| }; |
| |
| struct ieee80211_dfs_state |
| { |
| int nol_event[IEEE80211_CHAN_MAX]; |
| os_timer_t nol_timer; /* NOL list processing */ |
| os_timer_t cac_timer; /* CAC timer */ |
| int cureps; /* current events/second */ |
| const struct ieee80211_channel *lastchan; /* chan w/ last radar event */ |
| struct ieee80211_channel *newchan; /* chan selected next */ |
| /* overridden cac timeout */ |
| int cac_timeout_override; |
| u_int8_t enable:1, |
| cac_timer_running:1, |
| ignore_dfs:1, |
| ignore_cac:1; |
| }; |
| |
| typedef struct ieee80211com |
| { |
| void (*ic_start_csa)(struct ieee80211com *ic,u_int8_t ieeeChan); |
| void (*ic_get_ext_chan_info)(struct ieee80211com *ic, |
| struct ieee80211_channel_list *chan); |
| enum ieee80211_opmode ic_opmode; /* operation mode */ |
| struct ieee80211_channel *(*ic_find_channel)(struct ieee80211com *ic, |
| int freq, u_int32_t flags); |
| u_int64_t (*ic_get_TSF64)(struct ieee80211com *ic); |
| unsigned int (*ic_ieee2mhz)(u_int chan, u_int flags); |
| struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX+1]; |
| /* Number of Channels according to the Regulatory domain channels */ |
| int ic_nchans; |
| struct ieee80211_channel *ic_curchan; /* current channel */ |
| u_int8_t ic_isdfsregdomain; /* operating in DFS domain ? */ |
| int (*ic_get_dfsdomain)(struct ieee80211com *); |
| u_int16_t (*ic_dfs_usenol)(struct ieee80211com *ic); |
| u_int16_t (*ic_dfs_isdfsregdomain)(struct ieee80211com *ic); |
| int (*ic_dfs_attached)(struct ieee80211com *ic); |
| void *ic_dfs; |
| struct ieee80211_dfs_state ic_dfs_state; |
| int (*ic_dfs_attach)(struct ieee80211com *ic, |
| void *pCap, void *radar_info); |
| int (*ic_dfs_detach)(struct ieee80211com *ic); |
| int (*ic_dfs_enable)(struct ieee80211com *ic, int *is_fastclk, void *); |
| int (*ic_dfs_disable)(struct ieee80211com *ic); |
| int (*ic_get_ext_busy)(struct ieee80211com *ic); |
| int (*ic_get_mib_cycle_counts_pct)(struct ieee80211com *ic, |
| u_int32_t *rxc_pcnt, u_int32_t *rxf_pcnt, u_int32_t *txf_pcnt); |
| int (*ic_dfs_get_thresholds)(struct ieee80211com *ic,void *pe); |
| |
| int (*ic_dfs_debug)(struct ieee80211com *ic, int type, void *data); |
| /* |
| * Update the channel list with the current set of DFS |
| * NOL entries. |
| * |
| * + 'cmd' indicates what to do; for now it should just |
| * be DFS_NOL_CLIST_CMD_UPDATE which will update all |
| * channels, given the _entire_ NOL. (Rather than |
| * the earlier behaviour with clist_update, which |
| * was to either add or remove a set of channel |
| * entries.) |
| */ |
| void (*ic_dfs_clist_update)(struct ieee80211com *ic, int cmd, |
| struct dfs_nol_chan_entry *, int nentries); |
| void (*ic_dfs_notify_radar)(struct ieee80211com *ic, |
| struct ieee80211_channel *chan); |
| void (*ic_dfs_unmark_radar)(struct ieee80211com *ic, |
| struct ieee80211_channel *chan); |
| int (*ic_dfs_control)(struct ieee80211com *ic, |
| u_int id, void *indata, u_int32_t insize, |
| void *outdata, u_int32_t *outsize); |
| void (*ic_update_dfs_cac_block_tx)(bool cac_block_tx); |
| HAL_DFS_DOMAIN current_dfs_regdomain; |
| u_int8_t vdev_id; |
| u_int8_t last_radar_found_chan; |
| int32_t dfs_pri_multiplier; |
| adf_os_spinlock_t chan_lock; |
| bool disable_phy_err_processing; |
| } IEEE80211COM, *PIEEE80211COM; |
| |
| /* |
| * Convert channel to frequency value. |
| */ |
| static INLINE u_int |
| ieee80211_chan2freq(struct ieee80211com *ic, |
| const struct ieee80211_channel *c) |
| { |
| if (c == NULL) |
| { |
| return 0; |
| } |
| return (c == IEEE80211_CHAN_ANYC ? IEEE80211_CHAN_ANY : c->ic_freq); |
| } |
