24988ed32d
object to control the value of the new 'PRIVATE' bridge members' flag. While here, remove stale '__unused' compiler directives. Reviewed by: bz Approved by: re (bmah), bz (mentor)
358 lines
11 KiB
C
358 lines
11 KiB
C
/*-
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* Copyright (c) 2006 Shteryana Shopova <syrinx@FreeBSD.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* Bridge MIB implementation for SNMPd.
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*
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* $FreeBSD$
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*/
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#ifndef SNMP_BRIDGE_H
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#define SNMP_BRIDGE_H
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#define SNMP_BRIDGE_ID_LEN 8
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typedef uint8_t port_id[2];
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typedef u_char bridge_id[SNMP_BRIDGE_ID_LEN];
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#define SNMP_BRIDGE_MAX_PRIORITY 65535
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#define SNMP_BRIDGE_MIN_AGE_TIME 10
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#define SNMP_BRIDGE_MAX_AGE_TIME 1000000
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#define SNMP_BRIDGE_MIN_TXHC 1
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#define SNMP_BRIDGE_MAX_TXHC 10
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#define SNMP_BRIDGE_MIN_MAGE 600
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#define SNMP_BRIDGE_MAX_MAGE 4000
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#define SNMP_BRIDGE_MIN_HTIME 100
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#define SNMP_BRIDGE_MAX_HTIME 1000
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#define SNMP_BRIDGE_MIN_FDELAY 400
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#define SNMP_BRIDGE_MAX_FDELAY 3000
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#define SNMP_PORT_PATHCOST_OBSOLETE 65535
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#define SNMP_PORT_MIN_PATHCOST 0
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#define SNMP_PORT_MAX_PATHCOST 200000000
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#define SNMP_PORT_PATHCOST_AUTO 0
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#define SNMP_BRIDGE_DATA_MAXAGE 10
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#define SNMP_BRIDGE_DATA_MAXAGE_MIN 1
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#define SNMP_BRIDGE_DATA_MAXAGE_MAX 300
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/* By default poll kernel data every 5 minutes. */
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#define SNMP_BRIDGE_POLL_INTERVAL (5 * 60)
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#define SNMP_BRIDGE_POLL_INTERVAL_MIN 1
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#define SNMP_BRIDGE_POLL_INTERVAL_MAX 3600
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/* Poll for a topology change once every 30 seconds. */
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#define SNMP_BRIDGE_TC_POLL_INTERVAL 30
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struct bridge_if *bridge_get_default(void);
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void bridge_set_default(struct bridge_if *bif);
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const char *bridge_get_default_name(void);
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int bridge_get_data_maxage(void);
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/*
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* Bridge Addresses Table.
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*/
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struct tp_entry {
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uint32_t sysindex; /* The bridge if sysindex. */
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int32_t port_no;
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enum TpFdbStatus status;
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uint8_t tp_addr[ETHER_ADDR_LEN];
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uint8_t flags;
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TAILQ_ENTRY(tp_entry) tp_e;
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};
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/*
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* Bridge ports.
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* The bridge port system interface index is used for a
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* port number. Transparent bridging statistics and STP
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* information for a port are also contained here.
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*/
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struct bridge_port {
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/* dot1dBase subtree objects. */
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uint32_t sysindex; /* The bridge interface sysindex. */
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int32_t port_no; /* The bridge member system index. */
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int32_t if_idx; /* SNMP ifIndex from mibII. */
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int8_t span_enable; /* Span flag set - private MIB. */
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struct asn_oid circuit; /* Unused. */
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uint32_t dly_ex_drops; /* Drops on output. */
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uint32_t dly_mtu_drops; /* MTU exceeded drops. */
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int32_t status; /* The entry status. */
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enum TruthValue priv_set; /* The private flag. */
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/* dot1dStp subtree objects. */
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int32_t path_cost;
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int32_t priority;
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int32_t design_cost;
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uint32_t fwd_trans;
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char p_name[IFNAMSIZ]; /* Not in BRIDGE-MIB. */
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enum StpPortState state;
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enum dot1dStpPortEnable enable;
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port_id design_port;
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bridge_id design_root;
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bridge_id design_bridge;
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/* rstpMib extensions. */
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int32_t admin_path_cost;
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enum TruthValue proto_migr;
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enum TruthValue admin_edge;
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enum TruthValue oper_edge;
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enum TruthValue oper_ptp;
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enum StpPortAdminPointToPointType admin_ptp;
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/* dot1dTp subtree objects. */
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int32_t max_info;
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int32_t in_frames;
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int32_t out_frames;
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int32_t in_drops;
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uint8_t flags;
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TAILQ_ENTRY(bridge_port) b_p;
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};
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/*
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* A bridge interface.
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* The system interface index of the bridge is not required neither by the
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* standard BRIDGE-MIB nor by the private BEGEMOT-BRIDGE-MIB, but is used
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* as key for looking up the other info for this bridge.
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*/
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struct bridge_if {
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/* dot1dBase subtree objects. */
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uint32_t sysindex; /* The system interface index. */
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int32_t num_ports; /* Number of ports. */
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enum BaseType br_type; /* Bridge type. */
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enum RowStatus if_status; /* Bridge status. */
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char bif_name[IFNAMSIZ]; /* Bridge interface name. */
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struct ether_addr br_addr; /* Bridge address. */
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struct bridge_port *f_bp; /* This bridge's first entry
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* in the base ports TAILQ. */
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/* dot1dStp subtree objects. */
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int32_t priority;
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int32_t root_cost;
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int32_t root_port;
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int32_t max_age; /* Current max age. */
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int32_t hello_time; /* Current hello time. */
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int32_t fwd_delay; /* Current forward delay. */
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int32_t hold_time;
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int32_t bridge_max_age; /* Configured max age. */
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int32_t bridge_hello_time; /* Configured hello time. */
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int32_t bridge_fwd_delay; /* Configured forward delay. */
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int32_t tx_hold_count;
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uint32_t top_changes;
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enum dot1dStpVersion stp_version;
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enum dot1dStpProtocolSpecification prot_spec;
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struct timeval last_tc_time;
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bridge_id design_root;
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/* dot1dTp subtree objects. */
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int32_t lrnt_drops; /* Dropped addresses. */
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int32_t age_time; /* Address entry timeout. */
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int32_t num_addrs; /* Current # of addresses in cache. */
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int32_t max_addrs; /* Max # of addresses in cache. */
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struct tp_entry *f_tpa; /* This bridge's first entry in
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* the tp addresses TAILQ. */
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time_t entry_age;
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time_t ports_age;
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time_t addrs_age;
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TAILQ_ENTRY(bridge_if) b_if;
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};
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void bridge_ifs_fini(void);
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struct bridge_if *bridge_if_find_ifs(uint32_t sysindex);
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struct bridge_if *bridge_if_find_ifname(const char *b_name);
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const char *bridge_if_find_name(uint32_t sysindex);
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int bridge_compare_sysidx(uint32_t i1, uint32_t i2);
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int bridge_attach_newif(struct mibif *ifp);
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struct bridge_if *bridge_first_bif(void);
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struct bridge_if *bridge_next_bif(struct bridge_if *b_pr);
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void bridge_remove_bif(struct bridge_if *bif);
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void bridge_update_all_ports(void);
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void bridge_update_all_addrs(void);
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void bridge_update_all_ifs(void);
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void bridge_update_all(void *arg);
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void bridge_update_tc_time(void *arg);
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void bridge_ifs_dump(void);
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/* Bridge ports. */
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void bridge_ports_update_listage(void);
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void bridge_ports_fini(void);
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void bridge_members_free(struct bridge_if *bif);
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struct bridge_port *bridge_new_port(struct mibif *mif, struct bridge_if *bif);
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void bridge_port_remove(struct bridge_port *bp, struct bridge_if *bif);
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struct bridge_port *bridge_port_bif_first(struct bridge_if *bif);
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struct bridge_port *bridge_port_bif_next(struct bridge_port *bp);
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struct bridge_port *bridge_port_find(int32_t if_idx, struct bridge_if *bif);
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void bridge_port_getinfo_mibif(struct mibif *m_if, struct bridge_port *bp);
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int bridge_getinfo_bif_ports(struct bridge_if *bif);
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int bridge_update_memif(struct bridge_if *bif);
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void bridge_ports_dump(struct bridge_if *bif);
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/* Bridge addresses. */
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void bridge_addrs_update_listage(void);
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void bridge_addrs_fini(void);
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void bridge_addrs_free(struct bridge_if *bif);
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struct tp_entry *bridge_new_addrs(uint8_t *mac, struct bridge_if *bif);
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void bridge_addrs_remove(struct tp_entry *te, struct bridge_if *bif);
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struct tp_entry *bridge_addrs_find(uint8_t *mac, struct bridge_if *bif);
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struct tp_entry *bridge_addrs_bif_first(struct bridge_if *bif);
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struct tp_entry *bridge_addrs_bif_next(struct tp_entry *te);
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int bridge_getinfo_bif_addrs(struct bridge_if *bif);
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int bridge_update_addrs(struct bridge_if *bif);
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void bridge_addrs_dump(struct bridge_if *bif);
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/* Bridge PF. */
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void bridge_pf_dump(void);
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/* System specific. */
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/* Open the socket for the ioctls. */
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int bridge_ioctl_init(void);
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/* Load bridge kernel module. */
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int bridge_kmod_load(void);
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/* Get the bridge interface information. */
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int bridge_getinfo_bif(struct bridge_if *bif);
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/* Get the bridge interface STP parameters. */
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int bridge_get_op_param(struct bridge_if *bif);
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/* Set the bridge priority. */
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int bridge_set_priority(struct bridge_if *bif, int32_t priority);
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/* Set the bridge max age. */
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int bridge_set_maxage(struct bridge_if *bif, int32_t max_age);
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/* Set the bridge hello time.*/
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int bridge_set_hello_time(struct bridge_if *bif, int32_t hello_time);
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/* Set the bridge forward delay.*/
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int bridge_set_forward_delay(struct bridge_if *bif, int32_t fwd_delay);
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/* Set the bridge address cache max age. */
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int bridge_set_aging_time(struct bridge_if *bif, int32_t age_time);
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/* Set the max number of entries in the bridge address cache. */
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int bridge_set_max_cache(struct bridge_if *bif, int32_t max_cache);
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/* Set the bridge TX hold count. */
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int bridge_set_tx_hold_count(struct bridge_if *bif, int32_t tx_hc);
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/* Set the bridge STP protocol version. */
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int bridge_set_stp_version(struct bridge_if *bif, int32_t stp_proto);
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/* Set the bridge interface status to up/down. */
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int bridge_set_if_up(const char* b_name, int8_t up);
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/* Create a bridge interface. */
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int bridge_create(const char *b_name);
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/* Destroy a bridge interface. */
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int bridge_destroy(const char *b_name);
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/* Fetch the bridge mac address. */
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u_char *bridge_get_basemac(const char *bif_name, u_char *mac, size_t mlen);
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/* Set a bridge member priority. */
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int bridge_port_set_priority(const char *bif_name, struct bridge_port *bp,
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int32_t priority);
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/* Set a bridge member STP-enabled flag. */
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int bridge_port_set_stp_enable(const char *bif_name, struct bridge_port *bp,
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uint32_t enable);
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/* Set a bridge member STP path cost. */
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int bridge_port_set_path_cost(const char *bif_name, struct bridge_port *bp,
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int32_t path_cost);
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/* Set admin point-to-point link. */
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int bridge_port_set_admin_ptp(const char *bif_name, struct bridge_port *bp,
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uint32_t admin_ptp);
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/* Set admin edge. */
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int bridge_port_set_admin_edge(const char *bif_name, struct bridge_port *bp,
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uint32_t enable);
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/* Set 'private' flag. */
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int bridge_port_set_private(const char *bif_name, struct bridge_port *bp,
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uint32_t priv_set);
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/* Add a bridge member port. */
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int bridge_port_addm(struct bridge_port *bp, const char *b_name);
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/* Delete a bridge member port. */
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int bridge_port_delm(struct bridge_port *bp, const char *b_name);
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/* Get the current value from the module for bridge PF control. */
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int32_t bridge_get_pfval(uint8_t which);
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/* Get/Set a bridge PF control. */
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int32_t bridge_do_pfctl(int32_t bridge_ctl, enum snmp_op op, int32_t *val);
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#endif /* SNMP_BRIDGE_H */
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