#include <sys/queue.h>
#include <kern/locks.h>
/* STP port states */
-#define BSTP_IFSTATE_DISABLED 0
-#define BSTP_IFSTATE_LISTENING 1
-#define BSTP_IFSTATE_LEARNING 2
-#define BSTP_IFSTATE_FORWARDING 3
-#define BSTP_IFSTATE_BLOCKING 4
-#define BSTP_IFSTATE_DISCARDING 5
-
-#define BSTP_TCSTATE_ACTIVE 1
-#define BSTP_TCSTATE_DETECTED 2
-#define BSTP_TCSTATE_INACTIVE 3
-#define BSTP_TCSTATE_LEARNING 4
-#define BSTP_TCSTATE_PROPAG 5
-#define BSTP_TCSTATE_ACK 6
-#define BSTP_TCSTATE_TC 7
-#define BSTP_TCSTATE_TCN 8
-
-#define BSTP_ROLE_DISABLED 0
-#define BSTP_ROLE_ROOT 1
-#define BSTP_ROLE_DESIGNATED 2
-#define BSTP_ROLE_ALTERNATE 3
-#define BSTP_ROLE_BACKUP 4
+#define BSTP_IFSTATE_DISABLED 0
+#define BSTP_IFSTATE_LISTENING 1
+#define BSTP_IFSTATE_LEARNING 2
+#define BSTP_IFSTATE_FORWARDING 3
+#define BSTP_IFSTATE_BLOCKING 4
+#define BSTP_IFSTATE_DISCARDING 5
+
+#define BSTP_TCSTATE_ACTIVE 1
+#define BSTP_TCSTATE_DETECTED 2
+#define BSTP_TCSTATE_INACTIVE 3
+#define BSTP_TCSTATE_LEARNING 4
+#define BSTP_TCSTATE_PROPAG 5
+#define BSTP_TCSTATE_ACK 6
+#define BSTP_TCSTATE_TC 7
+#define BSTP_TCSTATE_TCN 8
+
+#define BSTP_ROLE_DISABLED 0
+#define BSTP_ROLE_ROOT 1
+#define BSTP_ROLE_DESIGNATED 2
+#define BSTP_ROLE_ALTERNATE 3
+#define BSTP_ROLE_BACKUP 4
#ifdef XNU_KERNEL_PRIVATE
/* STP port flags */
-#define BSTP_PORT_CANMIGRATE 0x0001
-#define BSTP_PORT_NEWINFO 0x0002
-#define BSTP_PORT_DISPUTED 0x0004
-#define BSTP_PORT_ADMCOST 0x0008
-#define BSTP_PORT_AUTOEDGE 0x0010
-#define BSTP_PORT_AUTOPTP 0x0020
-#define BSTP_PORT_ADMEDGE 0x0040
-#define BSTP_PORT_PNDCOST 0x0080
+#define BSTP_PORT_CANMIGRATE 0x0001
+#define BSTP_PORT_NEWINFO 0x0002
+#define BSTP_PORT_DISPUTED 0x0004
+#define BSTP_PORT_ADMCOST 0x0008
+#define BSTP_PORT_AUTOEDGE 0x0010
+#define BSTP_PORT_AUTOPTP 0x0020
+#define BSTP_PORT_ADMEDGE 0x0040
+#define BSTP_PORT_PNDCOST 0x0080
/* BPDU priority */
-#define BSTP_PDU_SUPERIOR 1
-#define BSTP_PDU_REPEATED 2
-#define BSTP_PDU_INFERIOR 3
-#define BSTP_PDU_INFERIORALT 4
-#define BSTP_PDU_OTHER 5
+#define BSTP_PDU_SUPERIOR 1
+#define BSTP_PDU_REPEATED 2
+#define BSTP_PDU_INFERIOR 3
+#define BSTP_PDU_INFERIORALT 4
+#define BSTP_PDU_OTHER 5
/* BPDU flags */
-#define BSTP_PDU_PRMASK 0x0c /* Port Role */
-#define BSTP_PDU_PRSHIFT 2 /* Port Role offset */
-#define BSTP_PDU_F_UNKN 0x00 /* Unknown port (00) */
-#define BSTP_PDU_F_ALT 0x01 /* Alt/Backup port (01) */
-#define BSTP_PDU_F_ROOT 0x02 /* Root port (10) */
-#define BSTP_PDU_F_DESG 0x03 /* Designated port (11) */
-
-#define BSTP_PDU_STPMASK 0x81 /* strip unused STP flags */
-#define BSTP_PDU_RSTPMASK 0x7f /* strip unused RSTP flags */
-#define BSTP_PDU_F_TC 0x01 /* Topology change */
-#define BSTP_PDU_F_P 0x02 /* Proposal flag */
-#define BSTP_PDU_F_L 0x10 /* Learning flag */
-#define BSTP_PDU_F_F 0x20 /* Forwarding flag */
-#define BSTP_PDU_F_A 0x40 /* Agreement flag */
-#define BSTP_PDU_F_TCA 0x80 /* Topology change ack */
+#define BSTP_PDU_PRMASK 0x0c /* Port Role */
+#define BSTP_PDU_PRSHIFT 2 /* Port Role offset */
+#define BSTP_PDU_F_UNKN 0x00 /* Unknown port (00) */
+#define BSTP_PDU_F_ALT 0x01 /* Alt/Backup port (01) */
+#define BSTP_PDU_F_ROOT 0x02 /* Root port (10) */
+#define BSTP_PDU_F_DESG 0x03 /* Designated port (11) */
+
+#define BSTP_PDU_STPMASK 0x81 /* strip unused STP flags */
+#define BSTP_PDU_RSTPMASK 0x7f /* strip unused RSTP flags */
+#define BSTP_PDU_F_TC 0x01 /* Topology change */
+#define BSTP_PDU_F_P 0x02 /* Proposal flag */
+#define BSTP_PDU_F_L 0x10 /* Learning flag */
+#define BSTP_PDU_F_F 0x20 /* Forwarding flag */
+#define BSTP_PDU_F_A 0x40 /* Agreement flag */
+#define BSTP_PDU_F_TCA 0x80 /* Topology change ack */
/*
* Spanning tree defaults.
*/
-#define BSTP_DEFAULT_MAX_AGE (20 * 256)
-#define BSTP_DEFAULT_HELLO_TIME (2 * 256)
-#define BSTP_DEFAULT_FORWARD_DELAY (15 * 256)
-#define BSTP_DEFAULT_HOLD_TIME (1 * 256)
-#define BSTP_DEFAULT_MIGRATE_DELAY (3 * 256)
-#define BSTP_DEFAULT_HOLD_COUNT 6
-#define BSTP_DEFAULT_BRIDGE_PRIORITY 0x8000
-#define BSTP_DEFAULT_PORT_PRIORITY 0x80
-#define BSTP_DEFAULT_PATH_COST 55
-#define BSTP_MIN_HELLO_TIME (1 * 256)
-#define BSTP_MIN_MAX_AGE (6 * 256)
-#define BSTP_MIN_FORWARD_DELAY (4 * 256)
-#define BSTP_MIN_HOLD_COUNT 1
-#define BSTP_MAX_HELLO_TIME (2 * 256)
-#define BSTP_MAX_MAX_AGE (40 * 256)
-#define BSTP_MAX_FORWARD_DELAY (30 * 256)
-#define BSTP_MAX_HOLD_COUNT 10
-#define BSTP_MAX_PRIORITY 61440
-#define BSTP_MAX_PORT_PRIORITY 240
-#define BSTP_MAX_PATH_COST 200000000
+#define BSTP_DEFAULT_MAX_AGE (20 * 256)
+#define BSTP_DEFAULT_HELLO_TIME (2 * 256)
+#define BSTP_DEFAULT_FORWARD_DELAY (15 * 256)
+#define BSTP_DEFAULT_HOLD_TIME (1 * 256)
+#define BSTP_DEFAULT_MIGRATE_DELAY (3 * 256)
+#define BSTP_DEFAULT_HOLD_COUNT 6
+#define BSTP_DEFAULT_BRIDGE_PRIORITY 0x8000
+#define BSTP_DEFAULT_PORT_PRIORITY 0x80
+#define BSTP_DEFAULT_PATH_COST 55
+#define BSTP_MIN_HELLO_TIME (1 * 256)
+#define BSTP_MIN_MAX_AGE (6 * 256)
+#define BSTP_MIN_FORWARD_DELAY (4 * 256)
+#define BSTP_MIN_HOLD_COUNT 1
+#define BSTP_MAX_HELLO_TIME (2 * 256)
+#define BSTP_MAX_MAX_AGE (40 * 256)
+#define BSTP_MAX_FORWARD_DELAY (30 * 256)
+#define BSTP_MAX_HOLD_COUNT 10
+#define BSTP_MAX_PRIORITY 61440
+#define BSTP_MAX_PORT_PRIORITY 240
+#define BSTP_MAX_PATH_COST 200000000
/* BPDU message types */
-#define BSTP_MSGTYPE_CFG 0x00 /* Configuration */
-#define BSTP_MSGTYPE_RSTP 0x02 /* Rapid STP */
-#define BSTP_MSGTYPE_TCN 0x80 /* Topology chg notification */
+#define BSTP_MSGTYPE_CFG 0x00 /* Configuration */
+#define BSTP_MSGTYPE_RSTP 0x02 /* Rapid STP */
+#define BSTP_MSGTYPE_TCN 0x80 /* Topology chg notification */
/* Protocol versions */
-#define BSTP_PROTO_ID 0x00
-#define BSTP_PROTO_STP 0x00
-#define BSTP_PROTO_RSTP 0x02
-#define BSTP_PROTO_MAX BSTP_PROTO_RSTP
+#define BSTP_PROTO_ID 0x00
+#define BSTP_PROTO_STP 0x00
+#define BSTP_PROTO_RSTP 0x02
+#define BSTP_PROTO_MAX BSTP_PROTO_RSTP
-#define BSTP_INFO_RECIEVED 1 /* compat */
-#define BSTP_INFO_RECEIVED 1
-#define BSTP_INFO_MINE 2
-#define BSTP_INFO_AGED 3
-#define BSTP_INFO_DISABLED 4
+#define BSTP_INFO_RECIEVED 1 /* compat */
+#define BSTP_INFO_RECEIVED 1
+#define BSTP_INFO_MINE 2
+#define BSTP_INFO_AGED 3
+#define BSTP_INFO_DISABLED 4
-#define BSTP_MESSAGE_AGE_INCR (1 * 256) /* in 256ths of a second */
-#define BSTP_TICK_VAL (1 * 256) /* in 256ths of a second */
-#define BSTP_LINK_TIMER (BSTP_TICK_VAL * 15)
+#define BSTP_MESSAGE_AGE_INCR (1 * 256) /* in 256ths of a second */
+#define BSTP_TICK_VAL (1 * 256) /* in 256ths of a second */
+#define BSTP_LINK_TIMER (BSTP_TICK_VAL * 15)
/*
* Driver callbacks for STP state changes
typedef void (*bstp_state_cb_t)(struct ifnet *, int);
typedef void (*bstp_rtage_cb_t)(struct ifnet *, int);
struct bstp_cb_ops {
- bstp_state_cb_t bcb_state;
- bstp_rtage_cb_t bcb_rtage;
+ bstp_state_cb_t bcb_state;
+ bstp_rtage_cb_t bcb_rtage;
};
/*
/* configuration bridge protocol data unit */
struct bstp_cbpdu {
- uint8_t cbu_dsap; /* LLC: destination sap */
- uint8_t cbu_ssap; /* LLC: source sap */
- uint8_t cbu_ctl; /* LLC: control */
- uint16_t cbu_protoid; /* protocol id */
- uint8_t cbu_protover; /* protocol version */
- uint8_t cbu_bpdutype; /* message type */
- uint8_t cbu_flags; /* flags (below) */
+ uint8_t cbu_dsap; /* LLC: destination sap */
+ uint8_t cbu_ssap; /* LLC: source sap */
+ uint8_t cbu_ctl; /* LLC: control */
+ uint16_t cbu_protoid; /* protocol id */
+ uint8_t cbu_protover; /* protocol version */
+ uint8_t cbu_bpdutype; /* message type */
+ uint8_t cbu_flags; /* flags (below) */
/* root id */
- uint16_t cbu_rootpri; /* root priority */
- uint8_t cbu_rootaddr[6]; /* root address */
+ uint16_t cbu_rootpri; /* root priority */
+ uint8_t cbu_rootaddr[6]; /* root address */
- uint32_t cbu_rootpathcost; /* root path cost */
+ uint32_t cbu_rootpathcost; /* root path cost */
/* bridge id */
- uint16_t cbu_bridgepri; /* bridge priority */
- uint8_t cbu_bridgeaddr[6]; /* bridge address */
-
- uint16_t cbu_portid; /* port id */
- uint16_t cbu_messageage; /* current message age */
- uint16_t cbu_maxage; /* maximum age */
- uint16_t cbu_hellotime; /* hello time */
- uint16_t cbu_forwarddelay; /* forwarding delay */
- uint8_t cbu_versionlen; /* version 1 length */
+ uint16_t cbu_bridgepri; /* bridge priority */
+ uint8_t cbu_bridgeaddr[6]; /* bridge address */
+
+ uint16_t cbu_portid; /* port id */
+ uint16_t cbu_messageage; /* current message age */
+ uint16_t cbu_maxage; /* maximum age */
+ uint16_t cbu_hellotime; /* hello time */
+ uint16_t cbu_forwarddelay; /* forwarding delay */
+ uint8_t cbu_versionlen; /* version 1 length */
} __attribute__((__packed__));
-#define BSTP_BPDU_STP_LEN (3 + 35) /* LLC + STP pdu */
-#define BSTP_BPDU_RSTP_LEN (3 + 36) /* LLC + RSTP pdu */
+#define BSTP_BPDU_STP_LEN (3 + 35) /* LLC + STP pdu */
+#define BSTP_BPDU_RSTP_LEN (3 + 36) /* LLC + RSTP pdu */
/* topology change notification bridge protocol data unit */
struct bstp_tbpdu {
- uint8_t tbu_dsap; /* LLC: destination sap */
- uint8_t tbu_ssap; /* LLC: source sap */
- uint8_t tbu_ctl; /* LLC: control */
- uint16_t tbu_protoid; /* protocol id */
- uint8_t tbu_protover; /* protocol version */
- uint8_t tbu_bpdutype; /* message type */
+ uint8_t tbu_dsap; /* LLC: destination sap */
+ uint8_t tbu_ssap; /* LLC: source sap */
+ uint8_t tbu_ctl; /* LLC: control */
+ uint16_t tbu_protoid; /* protocol id */
+ uint8_t tbu_protover; /* protocol version */
+ uint8_t tbu_bpdutype; /* message type */
} __attribute__((__packed__));
/*
* Timekeeping structure used in spanning tree code.
*/
-
+
typedef void bstp_task_func_t(void *context, int count);
-
+
struct bstp_task {
- TAILQ_ENTRY(bstp_task) bt_next;
- int bt_count;
- bstp_task_func_t *bt_func;
- void *bt_context;
+ TAILQ_ENTRY(bstp_task) bt_next;
+ int bt_count;
+ bstp_task_func_t *bt_func;
+ void *bt_context;
};
struct bstp_timer {
- int active;
- int latched;
- int value;
+ int active;
+ int latched;
+ int value;
};
struct bstp_pri_vector {
- uint64_t pv_root_id;
- uint32_t pv_cost;
- uint64_t pv_dbridge_id;
- uint16_t pv_dport_id;
- uint16_t pv_port_id;
+ uint64_t pv_root_id;
+ uint32_t pv_cost;
+ uint64_t pv_dbridge_id;
+ uint16_t pv_dport_id;
+ uint16_t pv_port_id;
};
struct bstp_config_unit {
- struct bstp_pri_vector cu_pv;
- uint16_t cu_message_age;
- uint16_t cu_max_age;
- uint16_t cu_forward_delay;
- uint16_t cu_hello_time;
- uint8_t cu_message_type;
- uint8_t cu_topology_change_ack;
- uint8_t cu_topology_change;
- uint8_t cu_proposal;
- uint8_t cu_agree;
- uint8_t cu_learning;
- uint8_t cu_forwarding;
- uint8_t cu_role;
+ struct bstp_pri_vector cu_pv;
+ uint16_t cu_message_age;
+ uint16_t cu_max_age;
+ uint16_t cu_forward_delay;
+ uint16_t cu_hello_time;
+ uint8_t cu_message_type;
+ uint8_t cu_topology_change_ack;
+ uint8_t cu_topology_change;
+ uint8_t cu_proposal;
+ uint8_t cu_agree;
+ uint8_t cu_learning;
+ uint8_t cu_forwarding;
+ uint8_t cu_role;
};
struct bstp_tcn_unit {
- uint8_t tu_message_type;
+ uint8_t tu_message_type;
};
struct bstp_port {
- LIST_ENTRY(bstp_port) bp_next;
- struct ifnet *bp_ifp; /* parent if */
- struct bstp_state *bp_bs;
- uint8_t bp_active;
- uint8_t bp_protover;
- uint32_t bp_flags;
- uint32_t bp_path_cost;
- uint16_t bp_port_msg_age;
- uint16_t bp_port_max_age;
- uint16_t bp_port_fdelay;
- uint16_t bp_port_htime;
- uint16_t bp_desg_msg_age;
- uint16_t bp_desg_max_age;
- uint16_t bp_desg_fdelay;
- uint16_t bp_desg_htime;
- struct bstp_timer bp_edge_delay_timer;
- struct bstp_timer bp_forward_delay_timer;
- struct bstp_timer bp_hello_timer;
- struct bstp_timer bp_message_age_timer;
- struct bstp_timer bp_migrate_delay_timer;
- struct bstp_timer bp_recent_backup_timer;
- struct bstp_timer bp_recent_root_timer;
- struct bstp_timer bp_tc_timer;
+ LIST_ENTRY(bstp_port) bp_next;
+ struct ifnet *bp_ifp; /* parent if */
+ struct bstp_state *bp_bs;
+ uint8_t bp_active;
+ uint8_t bp_protover;
+ uint32_t bp_flags;
+ uint32_t bp_path_cost;
+ uint16_t bp_port_msg_age;
+ uint16_t bp_port_max_age;
+ uint16_t bp_port_fdelay;
+ uint16_t bp_port_htime;
+ uint16_t bp_desg_msg_age;
+ uint16_t bp_desg_max_age;
+ uint16_t bp_desg_fdelay;
+ uint16_t bp_desg_htime;
+ struct bstp_timer bp_edge_delay_timer;
+ struct bstp_timer bp_forward_delay_timer;
+ struct bstp_timer bp_hello_timer;
+ struct bstp_timer bp_message_age_timer;
+ struct bstp_timer bp_migrate_delay_timer;
+ struct bstp_timer bp_recent_backup_timer;
+ struct bstp_timer bp_recent_root_timer;
+ struct bstp_timer bp_tc_timer;
struct bstp_config_unit bp_msg_cu;
- struct bstp_pri_vector bp_desg_pv;
- struct bstp_pri_vector bp_port_pv;
- uint16_t bp_port_id;
- uint8_t bp_state;
- uint8_t bp_tcstate;
- uint8_t bp_role;
- uint8_t bp_infois;
- uint8_t bp_tc_ack;
- uint8_t bp_tc_prop;
- uint8_t bp_fdbflush;
- uint8_t bp_priority;
- uint8_t bp_ptp_link;
- uint8_t bp_agree;
- uint8_t bp_agreed;
- uint8_t bp_sync;
- uint8_t bp_synced;
- uint8_t bp_proposing;
- uint8_t bp_proposed;
- uint8_t bp_operedge;
- uint8_t bp_reroot;
- uint8_t bp_rcvdtc;
- uint8_t bp_rcvdtca;
- uint8_t bp_rcvdtcn;
- uint32_t bp_forward_transitions;
- uint8_t bp_txcount;
- struct bstp_task bp_statetask;
- struct bstp_task bp_rtagetask;
- uint32_t bp_if_link_state; /* cache of the parent if link state */
+ struct bstp_pri_vector bp_desg_pv;
+ struct bstp_pri_vector bp_port_pv;
+ uint16_t bp_port_id;
+ uint8_t bp_state;
+ uint8_t bp_tcstate;
+ uint8_t bp_role;
+ uint8_t bp_infois;
+ uint8_t bp_tc_ack;
+ uint8_t bp_tc_prop;
+ uint8_t bp_fdbflush;
+ uint8_t bp_priority;
+ uint8_t bp_ptp_link;
+ uint8_t bp_agree;
+ uint8_t bp_agreed;
+ uint8_t bp_sync;
+ uint8_t bp_synced;
+ uint8_t bp_proposing;
+ uint8_t bp_proposed;
+ uint8_t bp_operedge;
+ uint8_t bp_reroot;
+ uint8_t bp_rcvdtc;
+ uint8_t bp_rcvdtca;
+ uint8_t bp_rcvdtcn;
+ uint32_t bp_forward_transitions;
+ uint8_t bp_txcount;
+ struct bstp_task bp_statetask;
+ struct bstp_task bp_rtagetask;
+ uint32_t bp_if_link_state; /* cache of the parent if link state */
};
/*
* Software state for each bridge STP.
*/
struct bstp_state {
- LIST_ENTRY(bstp_state) bs_list;
- uint8_t bs_running;
- lck_mtx_t *bs_mtx;
- struct bstp_pri_vector bs_bridge_pv;
- struct bstp_pri_vector bs_root_pv;
- struct bstp_port *bs_root_port;
- uint8_t bs_protover;
- uint16_t bs_migration_delay;
- uint16_t bs_edge_delay;
- uint16_t bs_bridge_max_age;
- uint16_t bs_bridge_fdelay;
- uint16_t bs_bridge_htime;
- uint16_t bs_root_msg_age;
- uint16_t bs_root_max_age;
- uint16_t bs_root_fdelay;
- uint16_t bs_root_htime;
- uint16_t bs_hold_time;
- uint16_t bs_bridge_priority;
- uint8_t bs_txholdcount;
- uint8_t bs_allsynced;
- struct bstp_timer bs_link_timer;
- struct timeval bs_last_tc_time;
- LIST_HEAD(, bstp_port) bs_bplist;
- bstp_state_cb_t bs_state_cb;
- bstp_rtage_cb_t bs_rtage_cb;
+ LIST_ENTRY(bstp_state) bs_list;
+ uint8_t bs_running;
+ lck_mtx_t *bs_mtx;
+ struct bstp_pri_vector bs_bridge_pv;
+ struct bstp_pri_vector bs_root_pv;
+ struct bstp_port *bs_root_port;
+ uint8_t bs_protover;
+ uint16_t bs_migration_delay;
+ uint16_t bs_edge_delay;
+ uint16_t bs_bridge_max_age;
+ uint16_t bs_bridge_fdelay;
+ uint16_t bs_bridge_htime;
+ uint16_t bs_root_msg_age;
+ uint16_t bs_root_max_age;
+ uint16_t bs_root_fdelay;
+ uint16_t bs_root_htime;
+ uint16_t bs_hold_time;
+ uint16_t bs_bridge_priority;
+ uint8_t bs_txholdcount;
+ uint8_t bs_allsynced;
+ struct bstp_timer bs_link_timer;
+ struct timeval bs_last_tc_time;
+ LIST_HEAD(, bstp_port) bs_bplist;
+ bstp_state_cb_t bs_state_cb;
+ bstp_rtage_cb_t bs_rtage_cb;
};
-extern const uint8_t bstp_etheraddr[];
-
-void bstp_attach(struct bstp_state *, struct bstp_cb_ops *);
-void bstp_detach(struct bstp_state *);
-void bstp_init(struct bstp_state *);
-void bstp_stop(struct bstp_state *);
-int bstp_create(struct bstp_state *, struct bstp_port *, struct ifnet *);
-int bstp_enable(struct bstp_port *);
-void bstp_disable(struct bstp_port *);
-void bstp_destroy(struct bstp_port *);
-void bstp_linkstate(struct ifnet *, int);
-int bstp_set_htime(struct bstp_state *, int);
-int bstp_set_fdelay(struct bstp_state *, int);
-int bstp_set_maxage(struct bstp_state *, int);
-int bstp_set_holdcount(struct bstp_state *, int);
-int bstp_set_protocol(struct bstp_state *, int);
-int bstp_set_priority(struct bstp_state *, int);
-int bstp_set_port_priority(struct bstp_port *, int);
-int bstp_set_path_cost(struct bstp_port *, uint32_t);
-int bstp_set_edge(struct bstp_port *, int);
-int bstp_set_autoedge(struct bstp_port *, int);
-int bstp_set_ptp(struct bstp_port *, int);
-int bstp_set_autoptp(struct bstp_port *, int);
+void bstp_attach(struct bstp_state *, struct bstp_cb_ops *);
+void bstp_detach(struct bstp_state *);
+void bstp_init(struct bstp_state *);
+void bstp_stop(struct bstp_state *);
+int bstp_create(struct bstp_state *, struct bstp_port *, struct ifnet *);
+int bstp_enable(struct bstp_port *);
+void bstp_disable(struct bstp_port *);
+void bstp_destroy(struct bstp_port *);
+void bstp_linkstate(struct ifnet *, int);
+int bstp_set_htime(struct bstp_state *, int);
+int bstp_set_fdelay(struct bstp_state *, int);
+int bstp_set_maxage(struct bstp_state *, int);
+int bstp_set_holdcount(struct bstp_state *, int);
+int bstp_set_protocol(struct bstp_state *, int);
+int bstp_set_priority(struct bstp_state *, int);
+int bstp_set_port_priority(struct bstp_port *, int);
+int bstp_set_path_cost(struct bstp_port *, uint32_t);
+int bstp_set_edge(struct bstp_port *, int);
+int bstp_set_autoedge(struct bstp_port *, int);
+int bstp_set_ptp(struct bstp_port *, int);
+int bstp_set_autoptp(struct bstp_port *, int);
struct mbuf *bstp_input(struct bstp_port *, struct ifnet *, struct mbuf *);
void bstp_sys_init(void);
#endif /* XNU_KERNEL_PRIVATE */
#endif /* __BRIDGESTP_H__ */
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