/* SPDX-License-Identifier: LGPL-2.1-or-later */ /* * * BlueZ - Bluetooth protocol stack for Linux * * Copyright (C) 2018-2019 Intel Corporation. All rights reserved. * * */ #ifndef __packed #define __packed __attribute__((packed)) #endif struct mesh_io; struct mesh_node; #define DEV_ID 0 #define UNUSED_KEY_IDX 0xffff #define APP_AID_DEV 0x00 #define CTL 0x80 #define KEY_CACHE_SIZE 64 #define FRND_CACHE_MAX 32 #define MAX_UNSEG_LEN 15 /* msg_len == 11 + sizeof(MIC) */ #define MAX_SEG_LEN 12 /* UnSeg length - 3 octets overhead */ #define SEG_MAX(seg, len) ((!seg && len <= MAX_UNSEG_LEN) ? 0 : \ (((len) - 1) / MAX_SEG_LEN)) #define SEG_OFF(seg) ((seg) * MAX_SEG_LEN) #define MAX_SEG_TO_LEN(seg) ((seg) ? SEG_OFF((seg) + 1) : MAX_UNSEG_LEN) #define SEGMENTED 0x80 #define UNSEGMENTED 0x00 #define SEG_HDR_SHIFT 31 #define IS_SEGMENTED(hdr) (!!((hdr) & ((uint32_t) 0x1 << SEG_HDR_SHIFT))) #define KEY_ID_MASK 0x7f #define KEY_AID_MASK 0x3f #define KEY_ID_AKF 0x40 #define KEY_AID_SHIFT 0 #define AKF_HDR_SHIFT 30 #define KEY_HDR_SHIFT 24 #define HAS_APP_KEY(hdr) (!!((hdr) & ((uint32_t) 0x1 << AKF_HDR_SHIFT))) #define OPCODE_MASK 0x7f #define OPCODE_HDR_SHIFT 24 #define RELAY 0x80 #define RELAY_HDR_SHIFT 23 #define SZMIC 0x80 #define SZMIC_HDR_SHIFT 23 #define SEQ_ZERO_MASK 0x1fff #define SEQ_ZERO_HDR_SHIFT 10 #define IS_RELAYED(hdr) (!!((hdr) & ((uint32_t) 0x1 << RELAY_HDR_SHIFT))) #define HAS_MIC64(hdr) (!!((hdr) & ((uint32_t) 0x1 << SZMIC_HDR_SHIFT))) #define SEG_MASK 0x1f #define SEGO_HDR_SHIFT 5 #define SEGN_HDR_SHIFT 0 #define SEG_TOTAL(hdr) (((hdr) >> SEGN_HDR_SHIFT) & SEG_MASK) /* Mask of Hdr bits which must be constant over entire incoming SAR message */ /* (SEG || AKF || AID || SZMIC || SeqZero || SegN) */ #define HDR_KEY_MASK ((0x1 << SEG_HDR_SHIFT) | \ (KEY_ID_MASK << KEY_HDR_SHIFT) | \ (0x1 << SZMIC_HDR_SHIFT) | \ (SEQ_ZERO_MASK << SEQ_ZERO_HDR_SHIFT) | \ (SEG_MASK << SEGN_HDR_SHIFT)) #define HDR_ACK_MASK ((OPCODE_MASK << OPCODE_HDR_SHIFT) | \ (SEQ_ZERO_MASK << SEQ_ZERO_HDR_SHIFT)) #define MSG_CACHE_SIZE 70 #define REPLAY_CACHE_SIZE 10 /* Proxy Configuration Opcodes */ #define PROXY_OP_SET_FILTER_TYPE 0x00 #define PROXY_OP_FILTER_ADD 0x01 #define PROXY_OP_FILTER_DEL 0x02 #define PROXY_OP_FILTER_STATUS 0x03 /* Proxy Filter Defines */ #define PROXY_FILTER_ACCEPT_LIST 0x00 #define PROXY_FILTER_REJECT_LIST 0x01 /* Network Transport Opcodes */ #define NET_OP_SEG_ACKNOWLEDGE 0x00 #define NET_OP_FRND_POLL 0x01 #define NET_OP_FRND_UPDATE 0x02 #define NET_OP_FRND_REQUEST 0x03 #define NET_OP_FRND_OFFER 0x04 #define NET_OP_FRND_CLEAR 0x05 #define NET_OP_FRND_CLEAR_CONFIRM 0x06 #define NET_OP_PROXY_SUB_ADD 0x07 #define NET_OP_PROXY_SUB_REMOVE 0x08 #define NET_OP_PROXY_SUB_CONFIRM 0x09 #define NET_OP_HEARTBEAT 0x0a #define FRND_OPCODE(x) \ ((x) >= NET_OP_FRND_POLL && (x) <= NET_OP_FRND_CLEAR_CONFIRM) #define DEFAULT_MIN_DELAY 0 #define DEFAULT_MAX_DELAY 25 struct mesh_net_prov_caps { uint8_t num_ele; uint16_t algorithms; uint8_t pub_type; uint8_t static_type; uint8_t output_size; uint16_t output_action; uint8_t input_size; uint16_t input_action; } __packed; struct mesh_net_heartbeat_sub { struct l_timeout *timer; uint32_t start; uint32_t period; uint16_t features; uint16_t src; uint16_t dst; uint16_t count; bool enabled; uint8_t min_hops; uint8_t max_hops; }; struct mesh_net_heartbeat_pub { struct l_timeout *timer; uint32_t period; uint16_t dst; uint16_t count; uint16_t features; uint16_t net_idx; uint8_t ttl; }; struct friend_neg { int8_t rssi; bool clearing; }; struct friend_act { uint16_t *grp_list; uint32_t last_hdr; int16_t grp_cnt; bool seq; bool last; }; struct mesh_friend { struct mesh_net *net; struct l_timeout *timeout; struct l_queue *pkt_cache; void *pkt; uint32_t poll_timeout; uint32_t net_key_cur; uint32_t net_key_upd; uint16_t old_friend; uint16_t net_idx; uint16_t lp_addr;/* dst; * Primary Element unicast addr */ uint16_t fn_cnt; uint16_t lp_cnt; uint8_t receive_delay; uint8_t ele_cnt; uint8_t frd; uint8_t frw; union { struct friend_neg negotiate; struct friend_act active; } u; }; struct mesh_friend_seg_one { uint32_t hdr; uint32_t seq; bool sent; bool md; uint8_t data[15]; }; struct mesh_friend_seg_12 { uint32_t hdr; uint32_t seq; bool sent; bool md; uint8_t data[12]; }; struct mesh_friend_msg { uint32_t iv_index; uint32_t flags; uint16_t src; uint16_t dst; uint8_t ttl; uint8_t cnt_in; uint8_t cnt_out; uint8_t last_len; bool done; bool ctl; union { struct mesh_friend_seg_one one[1]; /* Single segment */ struct mesh_friend_seg_12 s12[0]; /* Array of segments */ } u; }; struct mesh_net *mesh_net_new(struct mesh_node *node); void mesh_net_free(void *net); void mesh_net_cleanup(void); void mesh_net_set_iv_index(struct mesh_net *net, uint32_t index, bool update); bool mesh_net_iv_index_update(struct mesh_net *net); bool mesh_net_set_seq_num(struct mesh_net *net, uint32_t number); uint32_t mesh_net_get_seq_num(struct mesh_net *net); uint32_t mesh_net_next_seq_num(struct mesh_net *net); bool mesh_net_set_default_ttl(struct mesh_net *net, uint8_t ttl); uint8_t mesh_net_get_default_ttl(struct mesh_net *net); bool mesh_net_get_frnd_seq(struct mesh_net *net); void mesh_net_set_frnd_seq(struct mesh_net *net, bool seq); uint16_t mesh_net_get_address(struct mesh_net *net); bool mesh_net_register_unicast(struct mesh_net *net, uint16_t unicast, uint8_t num_ele); void net_local_beacon(uint32_t key_id, uint32_t ivi, bool ivu, bool kr); bool mesh_net_set_snb_mode(struct mesh_net *net, bool enable); bool mesh_net_set_mpb_mode(struct mesh_net *net, bool enabla, uint8_t period, bool init); bool mesh_net_set_proxy_mode(struct mesh_net *net, bool enable); bool mesh_net_set_relay_mode(struct mesh_net *net, bool enable, uint8_t cnt, uint8_t interval); bool mesh_net_set_friend_mode(struct mesh_net *net, bool enable); int mesh_net_del_key(struct mesh_net *net, uint16_t net_idx); int mesh_net_add_key(struct mesh_net *net, uint16_t net_idx, const uint8_t *key); int mesh_net_update_key(struct mesh_net *net, uint16_t net_idx, const uint8_t *key); bool mesh_net_set_key(struct mesh_net *net, uint16_t idx, const uint8_t *key, const uint8_t *new_key, uint8_t phase); uint32_t mesh_net_get_iv_index(struct mesh_net *net); void mesh_net_get_snb_state(struct mesh_net *net, uint8_t *flags, uint32_t *iv_index); bool mesh_net_get_key(struct mesh_net *net, bool new_key, uint16_t idx, uint32_t *net_key_id); bool mesh_net_attach(struct mesh_net *net, struct mesh_io *io); struct mesh_io *mesh_net_detach(struct mesh_net *net); struct l_queue *mesh_net_get_app_keys(struct mesh_net *net); void mesh_net_transport_send(struct mesh_net *net, uint32_t net_key_id, uint16_t net_idx, uint32_t iv_index, uint8_t ttl, uint32_t seq, uint16_t src, uint16_t dst, const uint8_t *msg, uint16_t msg_len); bool mesh_net_app_send(struct mesh_net *net, bool frnd_cred, uint16_t src, uint16_t dst, uint8_t key_aid, uint16_t net_idx, uint8_t ttl, uint8_t cnt, uint16_t interval, uint32_t seq, uint32_t iv_index, bool segmented, bool szmic, const void *msg, uint16_t msg_len); void mesh_net_ack_send(struct mesh_net *net, uint32_t net_key_id, uint32_t iv_index, uint8_t ttl, uint32_t seq, uint16_t src, uint16_t dst, bool rly, uint16_t seqZero, uint32_t ack_flags); int mesh_net_get_identity_mode(struct mesh_net *net, uint16_t idx, uint8_t *mode); bool mesh_net_dst_reg(struct mesh_net *net, uint16_t dst); bool mesh_net_dst_unreg(struct mesh_net *net, uint16_t dst); struct mesh_friend *mesh_friend_new(struct mesh_net *net, uint16_t dst, uint8_t ele_cnt, uint8_t frd, uint8_t frw, uint32_t fpt, uint16_t fn_cnt, uint16_t lp_cnt); void mesh_friend_free(void *frnd); bool mesh_friend_clear(struct mesh_net *net, struct mesh_friend *frnd); void mesh_friend_sub_add(struct mesh_net *net, uint16_t lpn, uint8_t ele_cnt, uint8_t grp_cnt, const uint8_t *list); void mesh_friend_sub_del(struct mesh_net *net, uint16_t lpn, uint8_t cnt, const uint8_t *del_list); int mesh_net_key_refresh_phase_set(struct mesh_net *net, uint16_t net_idx, uint8_t transition); int mesh_net_key_refresh_phase_get(struct mesh_net *net, uint16_t net_idx, uint8_t *phase); void mesh_net_send_seg(struct mesh_net *net, uint32_t net_key_id, uint32_t iv_index, uint8_t ttl, uint32_t seq, uint16_t src, uint16_t dst, uint32_t hdr, const void *seg, uint16_t seg_len); struct mesh_net_heartbeat_sub *mesh_net_get_heartbeat_sub(struct mesh_net *net); int mesh_net_set_heartbeat_sub(struct mesh_net *net, uint16_t src, uint16_t dst, uint8_t period_log); struct mesh_net_heartbeat_pub *mesh_net_get_heartbeat_pub(struct mesh_net *net); int mesh_net_set_heartbeat_pub(struct mesh_net *net, uint16_t dst, uint16_t features, uint16_t idx, uint8_t ttl, uint8_t count_log, uint8_t period_log); bool mesh_net_key_list_get(struct mesh_net *net, uint8_t *buf, uint16_t *count); uint16_t mesh_net_get_primary_idx(struct mesh_net *net); uint32_t mesh_net_friend_timeout(struct mesh_net *net, uint16_t addr); struct mesh_io *mesh_net_get_io(struct mesh_net *net); struct mesh_node *mesh_net_node_get(struct mesh_net *net); bool mesh_net_have_key(struct mesh_net *net, uint16_t net_idx); bool mesh_net_is_local_address(struct mesh_net *net, uint16_t src, uint16_t count); void mesh_net_transmit_params_set(struct mesh_net *net, uint8_t count, uint16_t interval); void mesh_net_transmit_params_get(struct mesh_net *net, uint8_t *count, uint16_t *interval); struct mesh_prov *mesh_net_get_prov(struct mesh_net *net); void mesh_net_set_prov(struct mesh_net *net, struct mesh_prov *prov); uint32_t mesh_net_get_instant(struct mesh_net *net); struct l_queue *mesh_net_get_friends(struct mesh_net *net); struct l_queue *mesh_net_get_negotiations(struct mesh_net *net); bool mesh_net_load_rpl(struct mesh_net *net);