diff options
Diffstat (limited to 'zebra/interface.h')
| -rw-r--r-- | zebra/interface.h | 320 |
1 files changed, 163 insertions, 157 deletions
diff --git a/zebra/interface.h b/zebra/interface.h index 9f108760d6..9bcaf1423c 100644 --- a/zebra/interface.h +++ b/zebra/interface.h @@ -16,7 +16,7 @@ * You should have received a copy of the GNU General Public License * along with GNU Zebra; see the file COPYING. If not, write to the Free * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA - * 02111-1307, USA. + * 02111-1307, USA. */ #ifndef _ZEBRA_INTERFACE_H @@ -38,142 +38,144 @@ #define IF_ZEBRA_SHUTDOWN_OFF 0 #define IF_ZEBRA_SHUTDOWN_ON 1 -#if defined (HAVE_RTADV) +#if defined(HAVE_RTADV) /* Router advertisement parameter. From RFC4861, RFC6275 and RFC4191. */ -struct rtadvconf -{ - /* A flag indicating whether or not the router sends periodic Router - Advertisements and responds to Router Solicitations. - Default: FALSE */ - int AdvSendAdvertisements; - - /* The maximum time allowed between sending unsolicited multicast - Router Advertisements from the interface, in milliseconds. - MUST be no less than 70 ms [RFC6275 7.5] and no greater - than 1800000 ms [RFC4861 6.2.1]. - - Default: 600000 milliseconds */ - int MaxRtrAdvInterval; +struct rtadvconf { + /* A flag indicating whether or not the router sends periodic Router + Advertisements and responds to Router Solicitations. + Default: FALSE */ + int AdvSendAdvertisements; + + /* The maximum time allowed between sending unsolicited multicast + Router Advertisements from the interface, in milliseconds. + MUST be no less than 70 ms [RFC6275 7.5] and no greater + than 1800000 ms [RFC4861 6.2.1]. + + Default: 600000 milliseconds */ + int MaxRtrAdvInterval; #define RTADV_MAX_RTR_ADV_INTERVAL 600000 - /* The minimum time allowed between sending unsolicited multicast - Router Advertisements from the interface, in milliseconds. - MUST be no less than 30 ms [RFC6275 7.5]. - MUST be no greater than .75 * MaxRtrAdvInterval. + /* The minimum time allowed between sending unsolicited multicast + Router Advertisements from the interface, in milliseconds. + MUST be no less than 30 ms [RFC6275 7.5]. + MUST be no greater than .75 * MaxRtrAdvInterval. - Default: 0.33 * MaxRtrAdvInterval */ - int MinRtrAdvInterval; /* This field is currently unused. */ + Default: 0.33 * MaxRtrAdvInterval */ + int MinRtrAdvInterval; /* This field is currently unused. */ + /* $FRR indent$ */ + /* clang-format off */ #define RTADV_MIN_RTR_ADV_INTERVAL (0.33 * RTADV_MAX_RTR_ADV_INTERVAL) - /* Unsolicited Router Advertisements' interval timer. */ - int AdvIntervalTimer; + /* Unsolicited Router Advertisements' interval timer. */ + int AdvIntervalTimer; - /* The TRUE/FALSE value to be placed in the "Managed address - configuration" flag field in the Router Advertisement. See - [ADDRCONF]. - - Default: FALSE */ - int AdvManagedFlag; + /* The TRUE/FALSE value to be placed in the "Managed address + configuration" flag field in the Router Advertisement. See + [ADDRCONF]. + Default: FALSE */ + int AdvManagedFlag; - /* The TRUE/FALSE value to be placed in the "Other stateful - configuration" flag field in the Router Advertisement. See - [ADDRCONF]. - Default: FALSE */ - int AdvOtherConfigFlag; + /* The TRUE/FALSE value to be placed in the "Other stateful + configuration" flag field in the Router Advertisement. See + [ADDRCONF]. - /* The value to be placed in MTU options sent by the router. A - value of zero indicates that no MTU options are sent. + Default: FALSE */ + int AdvOtherConfigFlag; - Default: 0 */ - int AdvLinkMTU; + /* The value to be placed in MTU options sent by the router. A + value of zero indicates that no MTU options are sent. + Default: 0 */ + int AdvLinkMTU; - /* The value to be placed in the Reachable Time field in the Router - Advertisement messages sent by the router. The value zero means - unspecified (by this router). MUST be no greater than 3,600,000 - milliseconds (1 hour). - Default: 0 */ - u_int32_t AdvReachableTime; -#define RTADV_MAX_REACHABLE_TIME 3600000 + /* The value to be placed in the Reachable Time field in the Router + Advertisement messages sent by the router. The value zero means + unspecified (by this router). MUST be no greater than 3,600,000 + milliseconds (1 hour). + Default: 0 */ + u_int32_t AdvReachableTime; +#define RTADV_MAX_REACHABLE_TIME 3600000 - /* The value to be placed in the Retrans Timer field in the Router - Advertisement messages sent by the router. The value zero means - unspecified (by this router). + /* The value to be placed in the Retrans Timer field in the Router + Advertisement messages sent by the router. The value zero means + unspecified (by this router). - Default: 0 */ - int AdvRetransTimer; + Default: 0 */ + int AdvRetransTimer; - /* The default value to be placed in the Cur Hop Limit field in the - Router Advertisement messages sent by the router. The value - should be set to that current diameter of the Internet. The - value zero means unspecified (by this router). + /* The default value to be placed in the Cur Hop Limit field in the + Router Advertisement messages sent by the router. The value + should be set to that current diameter of the Internet. The + value zero means unspecified (by this router). - Default: The value specified in the "Assigned Numbers" RFC - [ASSIGNED] that was in effect at the time of implementation. */ - int AdvCurHopLimit; + Default: The value specified in the "Assigned Numbers" RFC + [ASSIGNED] that was in effect at the time of implementation. */ + int AdvCurHopLimit; - /* The value to be placed in the Router Lifetime field of Router - Advertisements sent from the interface, in seconds. MUST be - either zero or between MaxRtrAdvInterval and 9000 seconds. A - value of zero indicates that the router is not to be used as a - default router. + /* The value to be placed in the Router Lifetime field of Router + Advertisements sent from the interface, in seconds. MUST be + either zero or between MaxRtrAdvInterval and 9000 seconds. A + value of zero indicates that the router is not to be used as a + default router. - Default: 3 * MaxRtrAdvInterval */ - int AdvDefaultLifetime; + Default: 3 * MaxRtrAdvInterval */ + int AdvDefaultLifetime; #define RTADV_MAX_RTRLIFETIME 9000 /* 2.5 hours */ - /* A list of prefixes to be placed in Prefix Information options in - Router Advertisement messages sent from the interface. + /* A list of prefixes to be placed in Prefix Information options in + Router Advertisement messages sent from the interface. - Default: all prefixes that the router advertises via routing - protocols as being on-link for the interface from which the - advertisement is sent. The link-local prefix SHOULD NOT be - included in the list of advertised prefixes. */ - struct list *AdvPrefixList; + Default: all prefixes that the router advertises via routing + protocols as being on-link for the interface from which the + advertisement is sent. The link-local prefix SHOULD NOT be + included in the list of advertised prefixes. */ + struct list *AdvPrefixList; - /* The TRUE/FALSE value to be placed in the "Home agent" - flag field in the Router Advertisement. See [RFC6275 7.1]. + /* The TRUE/FALSE value to be placed in the "Home agent" + flag field in the Router Advertisement. See [RFC6275 7.1]. - Default: FALSE */ - int AdvHomeAgentFlag; + Default: FALSE */ + int AdvHomeAgentFlag; #ifndef ND_RA_FLAG_HOME_AGENT #define ND_RA_FLAG_HOME_AGENT 0x20 #endif - /* The value to be placed in Home Agent Information option if Home - Flag is set. - Default: 0 */ - int HomeAgentPreference; - - /* The value to be placed in Home Agent Information option if Home - Flag is set. Lifetime (seconds) MUST not be greater than 18.2 - hours. - The value 0 has special meaning: use of AdvDefaultLifetime value. - - Default: 0 */ - int HomeAgentLifetime; + /* The value to be placed in Home Agent Information option if Home + Flag is set. + Default: 0 */ + int HomeAgentPreference; + + /* The value to be placed in Home Agent Information option if Home + Flag is set. Lifetime (seconds) MUST not be greater than 18.2 + hours. + The value 0 has special meaning: use of AdvDefaultLifetime value. + + Default: 0 */ + int HomeAgentLifetime; #define RTADV_MAX_HALIFETIME 65520 /* 18.2 hours */ - /* The TRUE/FALSE value to insert or not an Advertisement Interval - option. See [RFC 6275 7.3] + /* The TRUE/FALSE value to insert or not an Advertisement Interval + option. See [RFC 6275 7.3] - Default: FALSE */ - int AdvIntervalOption; + Default: FALSE */ + int AdvIntervalOption; - /* The value to be placed in the Default Router Preference field of - a router advertisement. See [RFC 4191 2.1 & 2.2] + /* The value to be placed in the Default Router Preference field of + a router advertisement. See [RFC 4191 2.1 & 2.2] - Default: 0 (medium) */ - int DefaultPreference; + Default: 0 (medium) */ + int DefaultPreference; #define RTADV_PREF_MEDIUM 0x0 /* Per RFC4191. */ - u_char inFastRexmit; /* True if we're rexmits faster than usual */ - u_char configured; /* Has operator configured RA? */ - int NumFastReXmitsRemain; /* Loaded first with number of fast rexmits to do */ + u_char inFastRexmit; /* True if we're rexmits faster than usual */ + u_char configured; /* Has operator configured RA? */ + int + NumFastReXmitsRemain; /* Loaded first with number of fast + rexmits to do */ #define RTADV_FAST_REXMIT_PERIOD 1 /* 1 sec */ #define RTADV_NUM_FAST_REXMITS 4 /* Fast Rexmit RA 4 times on certain events */ @@ -182,93 +184,97 @@ struct rtadvconf #endif /* HAVE_RTADV */ /* `zebra' daemon local interface structure. */ -struct zebra_if -{ - /* Shutdown configuration. */ - u_char shutdown; +struct zebra_if { + /* Shutdown configuration. */ + u_char shutdown; - /* Multicast configuration. */ - u_char multicast; + /* Multicast configuration. */ + u_char multicast; - /* Router advertise configuration. */ - u_char rtadv_enable; + /* Router advertise configuration. */ + u_char rtadv_enable; - /* Installed addresses chains tree. */ - struct route_table *ipv4_subnets; + /* Installed addresses chains tree. */ + struct route_table *ipv4_subnets; - /* Information about up/down changes */ - unsigned int up_count; - char up_last[QUAGGA_TIMESTAMP_LEN]; - unsigned int down_count; - char down_last[QUAGGA_TIMESTAMP_LEN]; + /* Information about up/down changes */ + unsigned int up_count; + char up_last[QUAGGA_TIMESTAMP_LEN]; + unsigned int down_count; + char down_last[QUAGGA_TIMESTAMP_LEN]; #if defined(HAVE_RTADV) - struct rtadvconf rtadv; - unsigned int ra_sent, ra_rcvd; + struct rtadvconf rtadv; + unsigned int ra_sent, ra_rcvd; #endif /* HAVE_RTADV */ #ifdef HAVE_IRDP - struct irdp_interface irdp; + struct irdp_interface irdp; #endif #ifdef HAVE_STRUCT_SOCKADDR_DL - union { - /* note that sdl_storage is never accessed, it only exists to make space. - * all actual uses refer to sdl - but use sizeof(sdl_storage)! this fits - * best with C aliasing rules. */ - struct sockaddr_dl sdl; - struct sockaddr_storage sdl_storage; - }; + union { + /* note that sdl_storage is never accessed, it only exists to + * make space. + * all actual uses refer to sdl - but use sizeof(sdl_storage)! + * this fits + * best with C aliasing rules. */ + struct sockaddr_dl sdl; + struct sockaddr_storage sdl_storage; + }; #endif #ifdef SUNOS_5 - /* the real IFF_UP state of the primary interface. - * need this to differentiate between all interfaces being - * down (but primary still plumbed) and primary having gone - * ~IFF_UP, and all addresses gone. - */ - u_char primary_state; + /* the real IFF_UP state of the primary interface. + * need this to differentiate between all interfaces being + * down (but primary still plumbed) and primary having gone + * ~IFF_UP, and all addresses gone. + */ + u_char primary_state; #endif /* SUNOS_5 */ - /* ptm enable configuration */ - u_char ptm_enable; + /* ptm enable configuration */ + u_char ptm_enable; }; -extern struct interface *if_lookup_by_index_per_ns (struct zebra_ns *, u_int32_t); -extern struct interface *if_lookup_by_name_per_ns (struct zebra_ns *, const char *); -extern struct interface *if_link_per_ns (struct zebra_ns *, struct interface *); -extern const char *ifindex2ifname_per_ns (struct zebra_ns *, unsigned int); - -extern void if_unlink_per_ns (struct interface *); -extern void if_nbr_ipv6ll_to_ipv4ll_neigh_update (struct interface *ifp, - struct in6_addr *address, int add); -extern void if_nbr_ipv6ll_to_ipv4ll_neigh_del_all (struct interface *ifp); -extern void if_delete_update (struct interface *ifp); -extern void if_add_update (struct interface *ifp); -extern void if_up (struct interface *); -extern void if_down (struct interface *); -extern void if_refresh (struct interface *); -extern void if_flags_update (struct interface *, uint64_t); -extern int if_subnet_add (struct interface *, struct connected *); -extern int if_subnet_delete (struct interface *, struct connected *); -extern int ipv6_address_configured (struct interface *ifp); -extern void if_handle_vrf_change (struct interface *ifp, vrf_id_t vrf_id); - -extern void vrf_add_update (struct vrf *vrfp); +extern struct interface *if_lookup_by_index_per_ns(struct zebra_ns *, + u_int32_t); +extern struct interface *if_lookup_by_name_per_ns(struct zebra_ns *, + const char *); +extern struct interface *if_link_per_ns(struct zebra_ns *, struct interface *); +extern const char *ifindex2ifname_per_ns(struct zebra_ns *, unsigned int); + +extern void if_unlink_per_ns(struct interface *); +extern void if_nbr_ipv6ll_to_ipv4ll_neigh_update(struct interface *ifp, + struct in6_addr *address, + int add); +extern void if_nbr_ipv6ll_to_ipv4ll_neigh_del_all(struct interface *ifp); +extern void if_delete_update(struct interface *ifp); +extern void if_add_update(struct interface *ifp); +extern void if_up(struct interface *); +extern void if_down(struct interface *); +extern void if_refresh(struct interface *); +extern void if_flags_update(struct interface *, uint64_t); +extern int if_subnet_add(struct interface *, struct connected *); +extern int if_subnet_delete(struct interface *, struct connected *); +extern int ipv6_address_configured(struct interface *ifp); +extern void if_handle_vrf_change(struct interface *ifp, vrf_id_t vrf_id); + +extern void vrf_add_update(struct vrf *vrfp); #ifdef HAVE_PROC_NET_DEV -extern void ifstat_update_proc (void); +extern void ifstat_update_proc(void); #endif /* HAVE_PROC_NET_DEV */ #ifdef HAVE_NET_RT_IFLIST -extern void ifstat_update_sysctl (void); +extern void ifstat_update_sysctl(void); #endif /* HAVE_NET_RT_IFLIST */ #ifdef HAVE_PROC_NET_DEV -extern int interface_list_proc (void); +extern int interface_list_proc(void); #endif /* HAVE_PROC_NET_DEV */ #ifdef HAVE_PROC_NET_IF_INET6 -extern int ifaddr_proc_ipv6 (void); +extern int ifaddr_proc_ipv6(void); #endif /* HAVE_PROC_NET_IF_INET6 */ #endif /* _ZEBRA_INTERFACE_H */ |