1*4882a593Smuzhiyun /******************************************************************************
2*4882a593Smuzhiyun *
3*4882a593Smuzhiyun * Copyright(c) 2019 - 2021 Realtek Corporation.
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * This program is free software; you can redistribute it and/or modify it
6*4882a593Smuzhiyun * under the terms of version 2 of the GNU General Public License as
7*4882a593Smuzhiyun * published by the Free Software Foundation.
8*4882a593Smuzhiyun *
9*4882a593Smuzhiyun * This program is distributed in the hope that it will be useful, but WITHOUT
10*4882a593Smuzhiyun * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11*4882a593Smuzhiyun * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
12*4882a593Smuzhiyun * more details.
13*4882a593Smuzhiyun *
14*4882a593Smuzhiyun *****************************************************************************/
15*4882a593Smuzhiyun #ifndef __RTW_CSA_H_
16*4882a593Smuzhiyun #define __RTW_CSA_H_
17*4882a593Smuzhiyun
18*4882a593Smuzhiyun #if CONFIG_DFS
19*4882a593Smuzhiyun #define CSA_IE_LEN 3 /* Length of Channel Switch element */
20*4882a593Smuzhiyun #define CSA_SWITCH_MODE 0
21*4882a593Smuzhiyun #define CSA_NEW_CH 1
22*4882a593Smuzhiyun #define CSA_SWITCH_COUNT 2
23*4882a593Smuzhiyun #define MAX_CSA_CNT 10
24*4882a593Smuzhiyun
25*4882a593Smuzhiyun #define CS_WR_DATA_LEN 5 /* Length of Channel Switch Wrapper element */
26*4882a593Smuzhiyun
27*4882a593Smuzhiyun void reset_csa_param(struct rf_ctl_t *rfctl);
28*4882a593Smuzhiyun bool rtw_get_csa_setting(struct dvobj_priv *d, s16 *req_ch, u8 *req_bw, u8 *req_offset);
29*4882a593Smuzhiyun
30*4882a593Smuzhiyun #ifdef CONFIG_ECSA_PHL
31*4882a593Smuzhiyun #define MCC_ECSA_DELAY_START_TIME 30000 /* ms */
32*4882a593Smuzhiyun
33*4882a593Smuzhiyun enum ecsa_state_t {
34*4882a593Smuzhiyun ECSA_ST_NONE,
35*4882a593Smuzhiyun ECSA_ST_SW_START, /* ready to switch */
36*4882a593Smuzhiyun ECSA_ST_SW_DONE /* switch done */
37*4882a593Smuzhiyun };
38*4882a593Smuzhiyun
39*4882a593Smuzhiyun struct core_ecsa_info {
40*4882a593Smuzhiyun enum ecsa_state_t state;
41*4882a593Smuzhiyun u32 ecsa_allow_case;
42*4882a593Smuzhiyun u32 ecsa_delay_time;
43*4882a593Smuzhiyun
44*4882a593Smuzhiyun /* @channel_width defined in 802.11-2016, Table 9-252 VHT operation information subfields
45*4882a593Smuzhiyun * 0 for 20 MHz or 40 MHz
46*4882a593Smuzhiyun * 1 for 80 MHz, 160 MHz or 80+80 MHz
47*4882a593Smuzhiyun * 2 for 160 MHz (deprecated)
48*4882a593Smuzhiyun * 3 for non-contiguous 80+80 MHz (deprecated)
49*4882a593Smuzhiyun */
50*4882a593Smuzhiyun u8 channel_width;
51*4882a593Smuzhiyun struct createbss_parm *bss_param;
52*4882a593Smuzhiyun struct rtw_phl_ecsa_param phl_ecsa_param;
53*4882a593Smuzhiyun };
54*4882a593Smuzhiyun
set_ecsa_state(struct core_ecsa_info * ecsa_info,enum ecsa_state_t state)55*4882a593Smuzhiyun __inline static void set_ecsa_state(struct core_ecsa_info *ecsa_info, enum ecsa_state_t state)
56*4882a593Smuzhiyun {
57*4882a593Smuzhiyun ecsa_info->state = state;
58*4882a593Smuzhiyun }
59*4882a593Smuzhiyun
check_ecsa_state(struct core_ecsa_info * ecsa_info,enum ecsa_state_t state)60*4882a593Smuzhiyun __inline static bool check_ecsa_state(struct core_ecsa_info *ecsa_info, enum ecsa_state_t state)
61*4882a593Smuzhiyun {
62*4882a593Smuzhiyun if (ecsa_info->state == state)
63*4882a593Smuzhiyun return _TRUE;
64*4882a593Smuzhiyun return _FALSE;
65*4882a593Smuzhiyun }
66*4882a593Smuzhiyun
67*4882a593Smuzhiyun #define SET_ECSA_STATE(adapter, state) set_ecsa_state(&((adapter)->ecsa_info), (state))
68*4882a593Smuzhiyun #define CHK_ECSA_STATE(adapter, state) check_ecsa_state(&((adapter)->ecsa_info), (state))
69*4882a593Smuzhiyun
70*4882a593Smuzhiyun bool rtw_mr_is_ecsa_running(struct _ADAPTER *a);
71*4882a593Smuzhiyun void rtw_ecsa_update_probe_resp(struct xmit_frame *xframe);
72*4882a593Smuzhiyun void rtw_ecsa_update_beacon(void *priv, struct rtw_wifi_role_t *role);
73*4882a593Smuzhiyun bool rtw_ap_check_ecsa_allow(
74*4882a593Smuzhiyun void *priv,
75*4882a593Smuzhiyun struct rtw_wifi_role_t *role,
76*4882a593Smuzhiyun struct rtw_chan_def chan_def,
77*4882a593Smuzhiyun enum phl_ecsa_start_reason reason,
78*4882a593Smuzhiyun u32 *delay_start_ms
79*4882a593Smuzhiyun );
80*4882a593Smuzhiyun void rtw_ecsa_mr_update_chan_info_by_role(
81*4882a593Smuzhiyun void *priv,
82*4882a593Smuzhiyun struct rtw_wifi_role_t *role,
83*4882a593Smuzhiyun struct rtw_chan_def new_chan_def
84*4882a593Smuzhiyun );
85*4882a593Smuzhiyun bool rtw_ecsa_check_tx_resume_allow(void *priv, struct rtw_wifi_role_t *role);
86*4882a593Smuzhiyun void rtw_ecsa_complete(void *priv, struct rtw_wifi_role_t *role);
87*4882a593Smuzhiyun void rtw_trigger_phl_ecsa_start(struct _ADAPTER *a);
88*4882a593Smuzhiyun #endif /* CONFIG_ECSA_PHL */
89*4882a593Smuzhiyun #endif /* CONFIG_DFS */
90*4882a593Smuzhiyun
91*4882a593Smuzhiyun #endif
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