diff options
Diffstat (limited to 'usr.sbin/bsnmpd/modules/snmp_bridge/bridge_snmp.h')
| -rw-r--r-- | usr.sbin/bsnmpd/modules/snmp_bridge/bridge_snmp.h | 357 |
1 files changed, 357 insertions, 0 deletions
diff --git a/usr.sbin/bsnmpd/modules/snmp_bridge/bridge_snmp.h b/usr.sbin/bsnmpd/modules/snmp_bridge/bridge_snmp.h new file mode 100644 index 0000000..7f48950 --- /dev/null +++ b/usr.sbin/bsnmpd/modules/snmp_bridge/bridge_snmp.h @@ -0,0 +1,357 @@ +/*- + * Copyright (c) 2006 Shteryana Shopova <syrinx@FreeBSD.org> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * Bridge MIB implementation for SNMPd. + * + * $FreeBSD$ + */ + +#ifndef SNMP_BRIDGE_H +#define SNMP_BRIDGE_H + +#define SNMP_BRIDGE_ID_LEN 8 + +typedef uint8_t port_id[2]; +typedef u_char bridge_id[SNMP_BRIDGE_ID_LEN]; + +#define SNMP_BRIDGE_MAX_PRIORITY 65535 + +#define SNMP_BRIDGE_MIN_AGE_TIME 10 +#define SNMP_BRIDGE_MAX_AGE_TIME 1000000 + +#define SNMP_BRIDGE_MIN_TXHC 1 +#define SNMP_BRIDGE_MAX_TXHC 10 + +#define SNMP_BRIDGE_MIN_MAGE 600 +#define SNMP_BRIDGE_MAX_MAGE 4000 + +#define SNMP_BRIDGE_MIN_HTIME 100 +#define SNMP_BRIDGE_MAX_HTIME 1000 + +#define SNMP_BRIDGE_MIN_FDELAY 400 +#define SNMP_BRIDGE_MAX_FDELAY 3000 + +#define SNMP_PORT_PATHCOST_OBSOLETE 65535 +#define SNMP_PORT_MIN_PATHCOST 0 +#define SNMP_PORT_MAX_PATHCOST 200000000 +#define SNMP_PORT_PATHCOST_AUTO 0 + +#define SNMP_BRIDGE_DATA_MAXAGE 10 +#define SNMP_BRIDGE_DATA_MAXAGE_MIN 1 +#define SNMP_BRIDGE_DATA_MAXAGE_MAX 300 + +/* By default poll kernel data every 5 minutes. */ +#define SNMP_BRIDGE_POLL_INTERVAL (5 * 60) +#define SNMP_BRIDGE_POLL_INTERVAL_MIN 1 +#define SNMP_BRIDGE_POLL_INTERVAL_MAX 3600 + +/* Poll for a topology change once every 30 seconds. */ +#define SNMP_BRIDGE_TC_POLL_INTERVAL 30 + +struct bridge_if *bridge_get_default(void); + +void bridge_set_default(struct bridge_if *bif); + +const char *bridge_get_default_name(void); + +int bridge_get_data_maxage(void); + +/* + * Bridge Addresses Table. + */ +struct tp_entry { + uint32_t sysindex; /* The bridge if sysindex. */ + int32_t port_no; + enum TpFdbStatus status; + uint8_t tp_addr[ETHER_ADDR_LEN]; + uint8_t flags; + TAILQ_ENTRY(tp_entry) tp_e; +}; + +/* + * Bridge ports. + * The bridge port system interface index is used for a + * port number. Transparent bridging statistics and STP + * information for a port are also contained here. + */ +struct bridge_port { + /* dot1dBase subtree objects. */ + uint32_t sysindex; /* The bridge interface sysindex. */ + int32_t port_no; /* The bridge member system index. */ + int32_t if_idx; /* SNMP ifIndex from mibII. */ + int8_t span_enable; /* Span flag set - private MIB. */ + struct asn_oid circuit; /* Unused. */ + uint32_t dly_ex_drops; /* Drops on output. */ + uint32_t dly_mtu_drops; /* MTU exceeded drops. */ + int32_t status; /* The entry status. */ + enum TruthValue priv_set; /* The private flag. */ + + /* dot1dStp subtree objects. */ + int32_t path_cost; + int32_t priority; + int32_t design_cost; + uint32_t fwd_trans; + char p_name[IFNAMSIZ]; /* Not in BRIDGE-MIB. */ + enum StpPortState state; + enum dot1dStpPortEnable enable; + port_id design_port; + bridge_id design_root; + bridge_id design_bridge; + + /* rstpMib extensions. */ + int32_t admin_path_cost; + enum TruthValue proto_migr; + enum TruthValue admin_edge; + enum TruthValue oper_edge; + enum TruthValue oper_ptp; + enum StpPortAdminPointToPointType admin_ptp; + + /* dot1dTp subtree objects. */ + int32_t max_info; + int32_t in_frames; + int32_t out_frames; + int32_t in_drops; + + uint8_t flags; + TAILQ_ENTRY(bridge_port) b_p; +}; + +/* + * A bridge interface. + * The system interface index of the bridge is not required neither by the + * standard BRIDGE-MIB nor by the private BEGEMOT-BRIDGE-MIB, but is used + * as key for looking up the other info for this bridge. + */ +struct bridge_if { + /* dot1dBase subtree objects. */ + uint32_t sysindex; /* The system interface index. */ + int32_t num_ports; /* Number of ports. */ + enum BaseType br_type; /* Bridge type. */ + enum RowStatus if_status; /* Bridge status. */ + char bif_name[IFNAMSIZ]; /* Bridge interface name. */ + struct ether_addr br_addr; /* Bridge address. */ + struct bridge_port *f_bp; /* This bridge's first entry + * in the base ports TAILQ. */ + /* dot1dStp subtree objects. */ + int32_t priority; + int32_t root_cost; + int32_t root_port; + int32_t max_age; /* Current max age. */ + int32_t hello_time; /* Current hello time. */ + int32_t fwd_delay; /* Current forward delay. */ + int32_t hold_time; + int32_t bridge_max_age; /* Configured max age. */ + int32_t bridge_hello_time; /* Configured hello time. */ + int32_t bridge_fwd_delay; /* Configured forward delay. */ + int32_t tx_hold_count; + uint32_t top_changes; + enum dot1dStpVersion stp_version; + enum dot1dStpProtocolSpecification prot_spec; + struct timeval last_tc_time; + bridge_id design_root; + + /* dot1dTp subtree objects. */ + int32_t lrnt_drops; /* Dropped addresses. */ + int32_t age_time; /* Address entry timeout. */ + int32_t num_addrs; /* Current # of addresses in cache. */ + int32_t max_addrs; /* Max # of addresses in cache. */ + struct tp_entry *f_tpa; /* This bridge's first entry in + * the tp addresses TAILQ. */ + + time_t entry_age; + time_t ports_age; + time_t addrs_age; + TAILQ_ENTRY(bridge_if) b_if; +}; + +void bridge_ifs_fini(void); + +struct bridge_if *bridge_if_find_ifs(uint32_t sysindex); + +struct bridge_if *bridge_if_find_ifname(const char *b_name); + +const char *bridge_if_find_name(uint32_t sysindex); + +int bridge_compare_sysidx(uint32_t i1, uint32_t i2); + +int bridge_attach_newif(struct mibif *ifp); + +struct bridge_if *bridge_first_bif(void); + +struct bridge_if *bridge_next_bif(struct bridge_if *b_pr); + +void bridge_remove_bif(struct bridge_if *bif); + +void bridge_update_all_ports(void); + +void bridge_update_all_addrs(void); + +void bridge_update_all_ifs(void); + +void bridge_update_all(void *arg); + +void bridge_update_tc_time(void *arg); + +void bridge_ifs_dump(void); + +/* Bridge ports. */ +void bridge_ports_update_listage(void); + +void bridge_ports_fini(void); + +void bridge_members_free(struct bridge_if *bif); + +struct bridge_port *bridge_new_port(struct mibif *mif, struct bridge_if *bif); + +void bridge_port_remove(struct bridge_port *bp, struct bridge_if *bif); + +struct bridge_port *bridge_port_bif_first(struct bridge_if *bif); + +struct bridge_port *bridge_port_bif_next(struct bridge_port *bp); + +struct bridge_port *bridge_port_find(int32_t if_idx, struct bridge_if *bif); + +void bridge_port_getinfo_mibif(struct mibif *m_if, struct bridge_port *bp); + +int bridge_getinfo_bif_ports(struct bridge_if *bif); + +int bridge_update_memif(struct bridge_if *bif); + +void bridge_ports_dump(struct bridge_if *bif); + +/* Bridge addresses. */ +void bridge_addrs_update_listage(void); + +void bridge_addrs_fini(void); + +void bridge_addrs_free(struct bridge_if *bif); + +struct tp_entry *bridge_new_addrs(uint8_t *mac, struct bridge_if *bif); + +void bridge_addrs_remove(struct tp_entry *te, struct bridge_if *bif); + +struct tp_entry *bridge_addrs_find(uint8_t *mac, struct bridge_if *bif); + +struct tp_entry *bridge_addrs_bif_first(struct bridge_if *bif); + +struct tp_entry *bridge_addrs_bif_next(struct tp_entry *te); + +int bridge_getinfo_bif_addrs(struct bridge_if *bif); + +int bridge_update_addrs(struct bridge_if *bif); + +void bridge_addrs_dump(struct bridge_if *bif); + +/* Bridge PF. */ + +void bridge_pf_dump(void); + +/* System specific. */ + +/* Open the socket for the ioctls. */ +int bridge_ioctl_init(void); + +/* Load bridge kernel module. */ +int bridge_kmod_load(void); + +/* Get the bridge interface information. */ +int bridge_getinfo_bif(struct bridge_if *bif); + +/* Get the bridge interface STP parameters. */ +int bridge_get_op_param(struct bridge_if *bif); + +/* Set the bridge priority. */ +int bridge_set_priority(struct bridge_if *bif, int32_t priority); + +/* Set the bridge max age. */ +int bridge_set_maxage(struct bridge_if *bif, int32_t max_age); + +/* Set the bridge hello time.*/ +int bridge_set_hello_time(struct bridge_if *bif, int32_t hello_time); + +/* Set the bridge forward delay.*/ +int bridge_set_forward_delay(struct bridge_if *bif, int32_t fwd_delay); + +/* Set the bridge address cache max age. */ +int bridge_set_aging_time(struct bridge_if *bif, int32_t age_time); + +/* Set the max number of entries in the bridge address cache. */ +int bridge_set_max_cache(struct bridge_if *bif, int32_t max_cache); + +/* Set the bridge TX hold count. */ +int bridge_set_tx_hold_count(struct bridge_if *bif, int32_t tx_hc); + +/* Set the bridge STP protocol version. */ +int bridge_set_stp_version(struct bridge_if *bif, int32_t stp_proto); + +/* Set the bridge interface status to up/down. */ +int bridge_set_if_up(const char* b_name, int8_t up); + +/* Create a bridge interface. */ +int bridge_create(const char *b_name); + +/* Destroy a bridge interface. */ +int bridge_destroy(const char *b_name); + +/* Fetch the bridge mac address. */ +u_char *bridge_get_basemac(const char *bif_name, u_char *mac, size_t mlen); + +/* Set a bridge member priority. */ +int bridge_port_set_priority(const char *bif_name, struct bridge_port *bp, + int32_t priority); + +/* Set a bridge member STP-enabled flag. */ +int bridge_port_set_stp_enable(const char *bif_name, struct bridge_port *bp, + uint32_t enable); + +/* Set a bridge member STP path cost. */ +int bridge_port_set_path_cost(const char *bif_name, struct bridge_port *bp, + int32_t path_cost); + +/* Set admin point-to-point link. */ +int bridge_port_set_admin_ptp(const char *bif_name, struct bridge_port *bp, + uint32_t admin_ptp); + +/* Set admin edge. */ +int bridge_port_set_admin_edge(const char *bif_name, struct bridge_port *bp, + uint32_t enable); + +/* Set 'private' flag. */ +int bridge_port_set_private(const char *bif_name, struct bridge_port *bp, + uint32_t priv_set); + +/* Add a bridge member port. */ +int bridge_port_addm(struct bridge_port *bp, const char *b_name); + +/* Delete a bridge member port. */ +int bridge_port_delm(struct bridge_port *bp, const char *b_name); + +/* Get the current value from the module for bridge PF control. */ +int32_t bridge_get_pfval(uint8_t which); + +/* Get/Set a bridge PF control. */ +int32_t bridge_do_pfctl(int32_t bridge_ctl, enum snmp_op op, int32_t *val); + +#endif /* SNMP_BRIDGE_H */ |
