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linux/drivers/net/wireless/mediatek/mt76/mt7925/nan.h
Sean Wang 0f3605e4f8 wifi: mt76: mt7925: wire up NAN operations 
Wire mac80211 NAN start, stop and change_conf callbacks to the mt7925 NAN
MCU helpers. Track the active NAN vif and notify mac80211 on cluster join
events.

Initialize NAN PHY capabilities after the supported bands are ready.

Co-developed-by: Stella Liu <yu-ching.liu@mediatek.com>
Signed-off-by: Stella Liu <yu-ching.liu@mediatek.com>
Co-developed-by: Jeremy Yu <chengwei.yu@mediatek.com>
Signed-off-by: Jeremy Yu <chengwei.yu@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Link: https://patch.msgid.link/20260625001834.475094-8-sean.wang@kernel.org
Signed-off-by: Felix Fietkau <nbd@nbd.name>
2026-07-31 12:25:37 +00:00

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9.7 KiB
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/* SPDX-License-Identifier: BSD-3-Clause-Clear */
/* Copyright (C) 2025-2026 MediaTek Inc. */
#ifndef __MT7925_NAN_H
#define __MT7925_NAN_H
#include <linux/if_ether.h>
#include <linux/types.h>
#include "../mt76_connac_mcu.h"
#define NAN_MAX_SOCIAL_CHANNELS 3
#define NAN_ANCHOR_MASTER_RANK_NUM 8
#define NAN_5G_LOW_DISC_CHANNEL 44
#define NAN_5G_HIGH_DISC_CHANNEL 149
#define NAN_MAX_MASTER_PREFERENCE 255
#define NAN_DEFAULT_DW_INTERVAL 1
#define NAN_DEFAULT_DISC_BCN_INTERVAL 100
#define NAN_TOTAL_DW 16
#define NAN_SUPPORTED_2G_FAW_CH_NUM 4
#define NAN_SUPPORTED_5G_FAW_CH_NUM 4
#define NAN_TIMELINE_MGMT_SIZE 2
#define NAN_TIMELINE_MGMT_CHNL_LIST_NUM \
((NAN_SUPPORTED_2G_FAW_CH_NUM + \
NAN_SUPPORTED_5G_FAW_CH_NUM) / NAN_TIMELINE_MGMT_SIZE)
#define NAN_NUM_AVAIL_DB 2
#define NAN_NDC_ATTRIBUTE_ID_LENGTH 6
#define NAN_MAX_CONN_CFG 8
#define NAN_MAX_NDP_CXT 4
#define MT7925_NAN_CONF_MAX_SIZE \
(sizeof(struct mt7925_nan_common_hdr) + \
sizeof(struct mt7925_nan_master_preference_tlv) + \
sizeof(struct mt7925_nan_dw_interval_tlv) + \
sizeof(struct mt7925_nan_cluster_id_tlv) + \
sizeof(struct mt7925_nan_sync_rssi_tlv))
#define MT7925_NAN_AVAIL_MAX_SIZE \
(sizeof(struct mt7925_nan_common_hdr) + \
sizeof(struct mt7925_nan_avail_ctrl_tlv) + \
sizeof(struct mt7925_nan_avail_entry_tlv))
#define MT7925_NAN_PEER_MAX_SIZE \
(sizeof(struct mt7925_nan_common_hdr) + \
sizeof(struct mt7925_nan_sched_manage_peer_rec_tlv) + \
sizeof(struct mt7925_nan_sched_update_peer_cap_tlv) + \
sizeof(struct mt7925_nan_sched_update_crb_tlv))
/* NAN Availability Attribute */
#define NAN_AVAIL_ATTR_ID_OFFSET 0
#define NAN_AVAIL_ATTR_LEN_OFFSET 1
#define NAN_AVAIL_SEQ_ID_OFFSET 3
#define NAN_AVAIL_ATTR_CTRL_OFFSET 4
/* NAN Availability Attribute - Attribute Control Field */
#define NAN_AVAIL_CTRL_MAPID GENMASK(3, 0)
#define NAN_AVAIL_CTRL_COMMIT_CHANGED BIT(4)
#define NAN_AVAIL_CTRL_POTN_CHANGED BIT(5)
#define NAN_AVAIL_CTRL_PUBLIC_AVAIL_CHANGED BIT(6)
#define NAN_AVAIL_CTRL_NDC_CHANGED BIT(7)
#define NAN_AVAIL_CTRL_CHECK_FOR_CHANGED GENMASK(7, 4)
#define UNII1_LOWER_BOUND 36
#define UNII1_UPPER_BOUND 50
#define UNII3_LOWER_BOUND 149
#define UNII3_UPPER_BOUND 165
enum nan_uni_cmd_tag {
NAN_UNI_CMD_SET_MASTER_PREFERENCE = 0,
NAN_UNI_CMD_ENABLE_REQUEST = 7,
NAN_UNI_CMD_DISABLE_REQUEST = 8,
NAN_UNI_CMD_UPDATE_AVAILABILITY = 9,
NAN_UNI_CMD_UPDATE_CRB = 10,
NAN_UNI_CMD_MANAGE_PEER_SCH_RECORD = 12,
NAN_UNI_CMD_MAP_STA_RECORD = 13,
NAN_UNI_CMD_UPDATE_AVAILABILITY_CTRL = 20,
NAN_UNI_CMD_UPDATE_PEER_CAPABILITY = 21,
NAN_UNI_CMD_CHANGE_NMI_ADDRESS = 24,
NAN_UNI_CMD_SET_DW_INTERVAL = 26,
NAN_UNI_CMD_SET_SYNC_RSSI = 39,
NAN_UNI_CMD_SET_CLUSTER_ID = 40,
NAN_UNI_CMD_KEY_MANAGEMENT = 53,
};
enum nan_uni_event_tag {
NAN_UNI_EVENT_ID_DE_EVENT_IND = 19,
NAN_UNI_EVENT_REPORT_DW_END = 60,
};
enum nan_disc_event_type {
NAN_EVENT_ID_DISC_MAC_ADDR = 0,
NAN_EVENT_ID_JOINED_CLUSTER = 2,
};
/* NAN 4.0 Table 79. Device Capability attribute format, Supported Bands */
enum nan_supported_bands {
NAN_SUPPORTED_BAND_ID_2P4G = 2,
NAN_SUPPORTED_BAND_ID_5G = 4,
NAN_PROPRIETARY_BAND_ID_6G = 6,
NAN_SUPPORTED_BAND_ID_6G = 7,
};
enum nan_peer_supported_bands {
NAN_SUPPORTED_BN_2G = 0,
NAN_SUPPORTED_BN_5G_LOW,
NAN_SUPPORTED_BN_5G_HIGH,
NAN_SUPPORTED_BN_6G,
NAN_SUPPORTED_BN_NUM
};
#define NAN_CH_CTRL_OP_CLASS GENMASK(15, 8)
#define NAN_CH_CTRL_PRIMARY_CH GENMASK(23, 16)
#define NAN_CRB_USE_DATA_PATH BIT(0)
#define NAN_CRB_AVAIL_6G_FORMAT GENMASK(2, 1)
struct mt7925_nan_social_ch_scan_params {
u8 dwell_time[NAN_MAX_SOCIAL_CHANNELS];
__le16 scan_period[NAN_MAX_SOCIAL_CHANNELS];
} __packed;
/* Firmware-reported NAN device information */
struct nan_dev_info_evt {
u8 is_enabled;
u8 my_addr[ETH_ALEN];
u8 en_fw_election;
__le32 nan_dev_role;
__le32 nan_dev_state;
u8 mst_preference;
u8 random_factor;
u8 cnt_hop;
u8 cluster_id[ETH_ALEN];
u8 anchor_mst_addr[ETH_ALEN];
u8 am_preference;
u8 am_random_factor;
u8 parent_mac[ETH_ALEN];
u8 parent_am_preference;
u8 parent_am_factor;
__le32 ambtt;
__le32 tsf[2];
u8 pn_igtk[6];
u8 pn_bigtk[6];
};
/* Firmware NAN discovery window event */
struct nan_rpt_dw_evt {
struct nan_dev_info_evt device_info;
__le32 expected_tsf_h;
__le32 expected_tsf_l;
__le32 actual_tsf_h;
__le32 actual_tsf_l;
__le16 channel;
__le16 dw_num;
};
struct mt7925_nan_conf_dw {
u8 config_2dot4g_dw_band;
__le32 dw_2dot4g_interval_val;
u8 config_5g_dw_band;
__le32 dw_5g_interval_val;
} __packed;
struct mt7925_nan_enable_req_tlv {
__le16 tag;
__le16 len;
u8 master_pref;
__le16 cluster_low;
__le16 cluster_high;
u8 config_support_5g;
u8 support_5g_val;
u8 config_sid_beacon;
u8 sid_beacon_val;
u8 config_2dot4g_rssi_close;
u8 rssi_close_2dot4g_val;
u8 config_2dot4g_rssi_middle;
u8 rssi_middle_2dot4g_val;
u8 config_2dot4g_rssi_proximity;
u8 rssi_proximity_2dot4g_val;
u8 config_hop_count_limit;
u8 hop_count_limit_val;
u8 config_2dot4g_support;
u8 support_2dot4g_val;
u8 config_2dot4g_beacons;
u8 beacon_2dot4g_val;
u8 config_2dot4g_sdf;
u8 sdf_2dot4g_val;
u8 config_5g_beacons;
u8 beacon_5g_val;
u8 config_5g_sdf;
u8 sdf_5g_val;
u8 config_5g_rssi_close;
u8 rssi_close_5g_val;
u8 config_5g_rssi_middle;
u8 rssi_middle_5g_val;
u8 config_5g_rssi_close_proximity;
u8 rssi_close_proximity_5g_val;
u8 config_rssi_window_size;
u8 rssi_window_size_val;
u8 config_oui;
__le32 oui_val;
u8 config_intf_addr;
u8 intf_addr_val[ETH_ALEN];
u8 config_cluster_attribute_val;
u8 config_scan_params;
struct mt7925_nan_social_ch_scan_params scan_params_val;
u8 config_random_factor_force;
u8 random_factor_force_val;
u8 config_hop_count_force;
u8 hop_count_force_val;
u8 config_24g_channel;
__le32 channel_24g_val;
u8 config_5g_channel;
__le32 channel_5g_val;
struct mt7925_nan_conf_dw config_dw;
u8 config_disc_mac_addr_randomization;
__le32 disc_mac_addr_rand_interval_sec;
u8 discovery_indication_cfg;
u8 config_subscribe_sid_beacon;
__le32 subscribe_sid_beacon_val;
u8 enable_log_slot_statistics;
} __packed __aligned(4);
struct mt7925_nan_common_hdr {
u8 reserved[4];
};
struct mt7925_nan_master_preference_tlv {
__le16 tag;
__le16 len;
u8 master_preference;
u8 reserved[3];
} __packed __aligned(4);
struct mt7925_nan_dw_interval_tlv {
__le16 tag;
__le16 len;
u8 dw_interval;
u8 vendor_ioctl;
__le16 disc_bcn_interval;
} __packed __aligned(4);
struct mt7925_nan_cluster_id_tlv {
__le16 tag;
__le16 len;
u8 cluster_id[ETH_ALEN];
u8 reserved[2];
} __packed __aligned(4);
struct mt7925_nan_sync_rssi_tlv {
__le16 tag;
__le16 len;
s8 rssi_close_2g;
s8 rssi_middle_2g;
s8 rssi_close_5g;
s8 rssi_middle_5g;
} __packed __aligned(4);
struct mt7925_nan_de_event {
u8 event_type;
u8 cluster_id[ETH_ALEN];
u8 anchor_master_rank[NAN_ANCHOR_MASTER_RANK_NUM];
u8 own_nmi[ETH_ALEN];
u8 master_nmi[ETH_ALEN];
};
struct mt7925_nan_nmi_addr_tlv {
__le16 tag;
__le16 len;
u8 nmi_addr[ETH_ALEN];
} __packed __aligned(4);
struct mt7925_nan_avail_ctrl_tlv {
__le16 tag;
__le16 len;
__le16 avail_ctrl;
u8 seq_id;
u8 reserved[1];
} __packed __aligned(4);
struct mt7925_nan_ch_timeline {
u8 is_valid;
u8 reserved[3];
__le32 ch_info;
__le32 num;
__le32 avail_map[NAN_TOTAL_DW];
};
struct mt7925_nan_avail_entry_tlv {
__le16 tag;
__le16 len;
u8 map_id;
u8 is_cond_avail;
u8 timeline_idx;
u8 is_multi_map;
struct mt7925_nan_ch_timeline ch_list[NAN_TIMELINE_MGMT_CHNL_LIST_NUM];
} __packed __aligned(4);
struct mt7925_nan_sched_manage_peer_rec_tlv {
__le16 tag;
__le16 len;
__le32 sch_idx;
u8 is_activate;
u8 nmi_addr[ETH_ALEN];
u8 reserved[1];
} __packed __aligned(4);
struct mt7925_nan_sched_update_peer_cap_tlv {
__le16 tag;
__le16 len;
__le32 sch_idx;
u8 supported_bands;
__le16 max_chnl_switch_time;
u8 peer_supported_bands;
} __packed __aligned(4);
struct mt7925_nan_sched_timeline {
u8 map_id;
u8 local_map_id;
u8 reserved[2];
union {
__le32 avail_map[NAN_TOTAL_DW];
u8 avail_block[NAN_TOTAL_DW * 4];
};
};
struct mt7925_nan_sched_faw_ndc_timeline {
__le32 avail_map[NAN_TOTAL_DW];
};
struct mt7925_nan_sched_ndc_ctrl {
u8 is_valid;
u8 ndc_id[NAN_NDC_ATTRIBUTE_ID_LENGTH];
u8 ndc_idx;
struct mt7925_nan_sched_timeline timeline[NAN_NUM_AVAIL_DB];
};
struct mt7925_nan_sched_update_crb_tlv {
__le16 tag;
__le16 len;
__le32 sch_idx;
u8 flags;
u8 is_use_ranging;
u8 reserved[2];
struct mt7925_nan_sched_timeline comm_ranging_timeline[NAN_TIMELINE_MGMT_SIZE];
struct mt7925_nan_sched_timeline comm_faw_timeline[NAN_TIMELINE_MGMT_SIZE];
struct mt7925_nan_sched_ndc_ctrl comm_ndc_ctrl;
struct mt7925_nan_sched_faw_ndc_timeline faw_ndc_timeline[NAN_TIMELINE_MGMT_SIZE];
} __packed __aligned(4);
struct mt7925_nan_sched_map_sta_rec_tlv {
__le16 tag;
__le16 len;
u8 nmi_addr[ETH_ALEN];
u8 sta_rec_idx;
u8 ndp_ctx_id;
__le32 role_idx;
u8 ndi_addr[ETH_ALEN];
u8 reserved[2];
} __packed __aligned(4);
int mt7925_nan_enable(struct ieee80211_vif *vif,
struct mt792x_dev *dev,
struct cfg80211_nan_conf *conf);
int mt7925_nan_disable(struct ieee80211_vif *vif,
struct mt792x_dev *dev);
int mt7925_nan_change_configure(struct ieee80211_vif *vif,
struct mt792x_dev *dev,
struct cfg80211_nan_conf *conf);
void mt7925_nan_mcu_event(struct mt792x_dev *dev, struct sk_buff *skb);
int mt7925_nan_set_nmi_addr(struct mt792x_dev *dev, const u8 *addr);
void mt7925_nan_local_sched_changed(struct mt792x_dev *dev,
struct ieee80211_vif *vif);
int mt792x_nan_set_peer_schedule(struct mt792x_dev *dev,
struct ieee80211_sta *sta);
int mt792x_nan_set_peer_rec(struct mt76_dev *mdev,
struct ieee80211_sta *sta);
int mt792x_nan_map_sta_rec(struct mt76_dev *mdev,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta);
#endif
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