zebra_ptm_if_init(zebra_if);
ifp->ptm_enable = zebra_ptm_get_enable_state();
-#if defined(HAVE_RTADV)
- {
- /* Set default router advertise values. */
- struct rtadvconf *rtadv;
-
- rtadv = &zebra_if->rtadv;
-
- rtadv->AdvSendAdvertisements = 0;
- rtadv->MaxRtrAdvInterval = RTADV_MAX_RTR_ADV_INTERVAL;
- rtadv->MinRtrAdvInterval = RTADV_MIN_RTR_ADV_INTERVAL;
- rtadv->AdvIntervalTimer = 0;
- rtadv->AdvManagedFlag = 0;
- rtadv->AdvOtherConfigFlag = 0;
- rtadv->AdvHomeAgentFlag = 0;
- rtadv->AdvLinkMTU = 0;
- rtadv->AdvReachableTime = 0;
- rtadv->AdvRetransTimer = 0;
- rtadv->AdvCurHopLimit = RTADV_DEFAULT_HOPLIMIT;
- memset(&rtadv->lastadvcurhoplimit, 0,
- sizeof(rtadv->lastadvcurhoplimit));
- memset(&rtadv->lastadvmanagedflag, 0,
- sizeof(rtadv->lastadvmanagedflag));
- memset(&rtadv->lastadvotherconfigflag, 0,
- sizeof(rtadv->lastadvotherconfigflag));
- memset(&rtadv->lastadvreachabletime, 0,
- sizeof(rtadv->lastadvreachabletime));
- memset(&rtadv->lastadvretranstimer, 0,
- sizeof(rtadv->lastadvretranstimer));
- rtadv->AdvDefaultLifetime =
- -1; /* derive from MaxRtrAdvInterval */
- rtadv->HomeAgentPreference = 0;
- rtadv->HomeAgentLifetime =
- -1; /* derive from AdvDefaultLifetime */
- rtadv->AdvIntervalOption = 0;
- rtadv->UseFastRexmit = true;
- rtadv->DefaultPreference = RTADV_PREF_MEDIUM;
-
- rtadv->AdvPrefixList = list_new();
- rtadv->AdvRDNSSList = list_new();
- rtadv->AdvDNSSLList = list_new();
- }
-#endif /* HAVE_RTADV */
+
+ rtadv_if_init(zebra_if);
memset(&zebra_if->neigh_mac[0], 0, 6);
/* Free installed address chains tree. */
if (zebra_if->ipv4_subnets)
route_table_finish(zebra_if->ipv4_subnets);
-#if defined(HAVE_RTADV)
-
- struct rtadvconf *rtadv;
- rtadv = &zebra_if->rtadv;
- list_delete(&rtadv->AdvPrefixList);
- list_delete(&rtadv->AdvRDNSSList);
- list_delete(&rtadv->AdvDNSSLList);
-#endif /* HAVE_RTADV */
+ rtadv_if_fini(zebra_if);
zebra_evpn_if_cleanup(zebra_if);
zebra_evpn_mac_ifp_del(ifp);
if_nbr_ipv6ll_to_ipv4ll_neigh_add_all(ifp);
-#if defined(HAVE_RTADV)
- /* Enable fast tx of RA if enabled && RA interval is not in msecs */
- if (zif->rtadv.AdvSendAdvertisements
- && (zif->rtadv.MaxRtrAdvInterval >= 1000)
- && zif->rtadv.UseFastRexmit) {
- zif->rtadv.inFastRexmit = 1;
- zif->rtadv.NumFastReXmitsRemain = RTADV_NUM_FAST_REXMITS;
- }
-#endif
+ rtadv_if_up(zif);
/* Install connected routes to the kernel. */
if (install_connected)
#include "zebra/zebra_l2.h"
#include "zebra/zebra_nhg_private.h"
#include "zebra/zebra_router.h"
+#include "zebra/rtadv.h"
#ifdef __cplusplus
extern "C" {
#define IF_VLAN_BITMAP_MAX 4096
-#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;
-#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.
-
- Default: 0.33 * MaxRtrAdvInterval */
- int MinRtrAdvInterval; /* This field is currently unused. */
-#define RTADV_MIN_RTR_ADV_INTERVAL (0.33 * RTADV_MAX_RTR_ADV_INTERVAL)
-
- /* 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;
- struct timeval lastadvmanagedflag;
-
-
- /* The true/false value to be placed in the "Other stateful
- configuration" flag field in the Router Advertisement. See
- [ADDRCONF].
-
- Default: false */
- int AdvOtherConfigFlag;
- struct timeval lastadvotherconfigflag;
-
- /* 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 */
- uint32_t AdvReachableTime;
-#define RTADV_MAX_REACHABLE_TIME 3600000
- struct timeval lastadvreachabletime;
-
- /* 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;
- struct timeval lastadvretranstimer;
-
- /* 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;
- struct timeval lastadvcurhoplimit;
-
-#define RTADV_DEFAULT_HOPLIMIT 64 /* 64 hops */
-
- /* 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;
-#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.
-
- 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].
-
- 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;
-#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]
-
- 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]
-
- Default: 0 (medium) */
- int DefaultPreference;
-#define RTADV_PREF_MEDIUM 0x0 /* Per RFC4191. */
-
- /*
- * List of recursive DNS servers to include in the RDNSS option.
- * See [RFC8106 5.1]
- *
- * Default: empty list; do not emit RDNSS option
- */
- struct list *AdvRDNSSList;
-
- /*
- * List of DNS search domains to include in the DNSSL option.
- * See [RFC8106 5.2]
- *
- * Default: empty list; do not emit DNSSL option
- */
- struct list *AdvDNSSLList;
-
- /*
- * rfc4861 states RAs must be sent at least 3 seconds apart.
- * We allow faster retransmits to speed up convergence but can
- * turn that capability off to meet the rfc if needed.
- */
- bool UseFastRexmit; /* True if fast rexmits are enabled */
-
- uint8_t inFastRexmit; /* True if we're rexmits faster than usual */
-
- /* Track if RA was configured by BGP or by the Operator or both */
- uint8_t ra_configured; /* Was RA configured? */
-#define BGP_RA_CONFIGURED (1<<0) /* BGP configured RA? */
-#define VTY_RA_CONFIGURED (1<<1) /* Operator configured RA? */
-#define VTY_RA_INTERVAL_CONFIGURED (1<<2) /* Operator configured RA interval */
- 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 */
-};
-
-struct rtadv_rdnss {
- /* Address of recursive DNS server to advertise */
- struct in6_addr addr;
-
- /*
- * Lifetime in seconds; all-ones means infinity, zero
- * stop using it.
- */
- uint32_t lifetime;
-
- /* If lifetime not set, use a default of 3*MaxRtrAdvInterval */
- int lifetime_set;
-};
-
-/*
- * [RFC1035 2.3.4] sets the maximum length of a domain name (a sequence of
- * labels, each prefixed by a length octet) at 255 octets.
- */
-#define RTADV_MAX_ENCODED_DOMAIN_NAME 255
-
-struct rtadv_dnssl {
- /* Domain name without trailing root zone dot (NUL-terminated) */
- char name[RTADV_MAX_ENCODED_DOMAIN_NAME - 1];
-
- /* Name encoded as in [RFC1035 3.1] */
- uint8_t encoded_name[RTADV_MAX_ENCODED_DOMAIN_NAME];
-
- /* Actual length of encoded_name */
- size_t encoded_len;
-
- /* Lifetime as for RDNSS */
- uint32_t lifetime;
- int lifetime_set;
-};
-
-#endif /* HAVE_RTADV */
-
/* Zebra interface type - ones of interest. */
enum zebra_iftype {
ZEBRA_IF_OTHER = 0, /* Anything else */
unsigned int down_count;
char down_last[FRR_TIMESTAMP_LEN];
-#if defined(HAVE_RTADV)
struct rtadvconf rtadv;
unsigned int ra_sent, ra_rcvd;
-#endif /* HAVE_RTADV */
struct irdp_interface *irdp;
zebra_vty_init();
access_list_init();
prefix_list_init();
-#if defined(HAVE_RTADV)
rtadv_cmd_init();
-#endif
/* PTM socket */
#ifdef ZEBRA_PTM_SUPPORT
zebra_ptm_init();
#define RNODE_NEXT_RE(rn, re) RE_DEST_NEXT_ROUTE(rib_dest_from_rnode(rn), re)
-#if defined(HAVE_RTADV)
-PREDECL_SORTLIST_UNIQ(adv_if_list);
-/* Structure which hold status of router advertisement. */
-struct rtadv {
- int sock;
-
- struct adv_if_list_head adv_if;
- struct adv_if_list_head adv_msec_if;
-
- struct thread *ra_read;
- struct thread *ra_timer;
-};
-
-/* adv list node */
-struct adv_if {
- char name[INTERFACE_NAMSIZ];
- struct adv_if_list_item list_item;
-};
-
-static int adv_if_cmp(const struct adv_if *a, const struct adv_if *b)
-{
- return if_cmp_name_func(a->name, b->name);
-}
-
-DECLARE_SORTLIST_UNIQ(adv_if_list, struct adv_if, list_item, adv_if_cmp);
-#endif /* HAVE_RTADV */
-
/*
* rib_table_info_t
*
#define ALLNODE "ff02::1"
#define ALLROUTER "ff02::2"
+/* adv list node */
+struct adv_if {
+ char name[INTERFACE_NAMSIZ];
+ struct adv_if_list_item list_item;
+};
+
+static int adv_if_cmp(const struct adv_if *a, const struct adv_if *b)
+{
+ return if_cmp_name_func(a->name, b->name);
+}
+
+DECLARE_SORTLIST_UNIQ(adv_if_list, struct adv_if, list_item, adv_if_cmp);
+
+static int rtadv_prefix_cmp(const struct rtadv_prefix *a,
+ const struct rtadv_prefix *b)
+{
+ return prefix_cmp(&a->prefix, &b->prefix);
+}
+
+DECLARE_RBTREE_UNIQ(rtadv_prefixes, struct rtadv_prefix, item,
+ rtadv_prefix_cmp);
+
DEFINE_MTYPE_STATIC(ZEBRA, RTADV_RDNSS, "Router Advertisement RDNSS");
DEFINE_MTYPE_STATIC(ZEBRA, RTADV_DNSSL, "Router Advertisement DNSSL");
}
/* Fill in prefix. */
- for (ALL_LIST_ELEMENTS_RO(zif->rtadv.AdvPrefixList, node, rprefix)) {
+ frr_each (rtadv_prefixes, zif->rtadv.prefixes, rprefix) {
struct nd_opt_prefix_info *pinfo;
pinfo = (struct nd_opt_prefix_info *)(buf + len);
XFREE(MTYPE_RTADV_PREFIX, rtadv_prefix);
}
-static struct rtadv_prefix *rtadv_prefix_lookup(struct list *rplist,
- struct prefix_ipv6 *p)
-{
- struct listnode *node;
- struct rtadv_prefix *rprefix;
-
- for (ALL_LIST_ELEMENTS_RO(rplist, node, rprefix))
- if (prefix_same((struct prefix *)&rprefix->prefix,
- (struct prefix *)p))
- return rprefix;
- return NULL;
-}
-
-static struct rtadv_prefix *rtadv_prefix_get(struct list *rplist,
+static struct rtadv_prefix *rtadv_prefix_get(struct rtadv_prefixes_head *list,
struct prefix_ipv6 *p)
{
- struct rtadv_prefix *rprefix;
+ struct rtadv_prefix *rprefix, ref;
+
+ ref.prefix = *p;
- rprefix = rtadv_prefix_lookup(rplist, p);
+ rprefix = rtadv_prefixes_find(list, &ref);
if (rprefix)
return rprefix;
rprefix = rtadv_prefix_new();
memcpy(&rprefix->prefix, p, sizeof(struct prefix_ipv6));
- listnode_add(rplist, rprefix);
+ rtadv_prefixes_add(list, rprefix);
return rprefix;
}
{
struct rtadv_prefix *rprefix;
- rprefix = rtadv_prefix_get(zif->rtadv.AdvPrefixList, &rp->prefix);
+ rprefix = rtadv_prefix_get(zif->rtadv.prefixes, &rp->prefix);
/*
* Set parameters based on where the prefix is created.
{
struct rtadv_prefix *rprefix;
- rprefix = rtadv_prefix_lookup(zif->rtadv.AdvPrefixList, &rp->prefix);
+ rprefix = rtadv_prefixes_find(zif->rtadv.prefixes, rp);
if (rprefix != NULL) {
/*
}
}
- listnode_delete(zif->rtadv.AdvPrefixList, (void *)rprefix);
+ rtadv_prefixes_del(zif->rtadv.prefixes, rprefix);
rtadv_prefix_free(rprefix);
return 1;
} else
{
struct vrf *vrf;
struct interface *ifp;
- struct listnode *node, *nnode;
struct zebra_if *zif;
struct rtadv_prefix *rprefix;
FOR_ALL_INTERFACES (vrf, ifp) {
zif = ifp->info;
- for (ALL_LIST_ELEMENTS(zif->rtadv.AdvPrefixList,
- node, nnode, rprefix))
+ frr_each_safe (rtadv_prefixes, zif->rtadv.prefixes,
+ rprefix)
rtadv_prefix_reset(zif, rprefix);
rtadv_stop_ra(ifp);
if (zif->rtadv.AdvLinkMTU)
vty_out(vty, " ipv6 nd mtu %d\n", zif->rtadv.AdvLinkMTU);
- for (ALL_LIST_ELEMENTS_RO(zif->rtadv.AdvPrefixList, node, rprefix)) {
+ frr_each (rtadv_prefixes, zif->rtadv.prefixes, rprefix) {
if ((rprefix->AdvPrefixCreate == PREFIX_SRC_MANUAL)
|| (rprefix->AdvPrefixCreate == PREFIX_SRC_BOTH)) {
vty_out(vty, " ipv6 nd prefix %pFX", &rprefix->prefix);
return;
}
+void rtadv_if_up(struct zebra_if *zif)
+{
+ /* Enable fast tx of RA if enabled && RA interval is not in msecs */
+ if (zif->rtadv.AdvSendAdvertisements &&
+ (zif->rtadv.MaxRtrAdvInterval >= 1000) &&
+ zif->rtadv.UseFastRexmit) {
+ zif->rtadv.inFastRexmit = 1;
+ zif->rtadv.NumFastReXmitsRemain = RTADV_NUM_FAST_REXMITS;
+ }
+}
+
+void rtadv_if_init(struct zebra_if *zif)
+{
+ /* Set default router advertise values. */
+ struct rtadvconf *rtadv;
+
+ rtadv = &zif->rtadv;
+
+ rtadv->AdvSendAdvertisements = 0;
+ rtadv->MaxRtrAdvInterval = RTADV_MAX_RTR_ADV_INTERVAL;
+ rtadv->MinRtrAdvInterval = RTADV_MIN_RTR_ADV_INTERVAL;
+ rtadv->AdvIntervalTimer = 0;
+ rtadv->AdvManagedFlag = 0;
+ rtadv->AdvOtherConfigFlag = 0;
+ rtadv->AdvHomeAgentFlag = 0;
+ rtadv->AdvLinkMTU = 0;
+ rtadv->AdvReachableTime = 0;
+ rtadv->AdvRetransTimer = 0;
+ rtadv->AdvCurHopLimit = RTADV_DEFAULT_HOPLIMIT;
+ memset(&rtadv->lastadvcurhoplimit, 0,
+ sizeof(rtadv->lastadvcurhoplimit));
+ memset(&rtadv->lastadvmanagedflag, 0,
+ sizeof(rtadv->lastadvmanagedflag));
+ memset(&rtadv->lastadvotherconfigflag, 0,
+ sizeof(rtadv->lastadvotherconfigflag));
+ memset(&rtadv->lastadvreachabletime, 0,
+ sizeof(rtadv->lastadvreachabletime));
+ memset(&rtadv->lastadvretranstimer, 0,
+ sizeof(rtadv->lastadvretranstimer));
+ rtadv->AdvDefaultLifetime = -1; /* derive from MaxRtrAdvInterval */
+ rtadv->HomeAgentPreference = 0;
+ rtadv->HomeAgentLifetime = -1; /* derive from AdvDefaultLifetime */
+ rtadv->AdvIntervalOption = 0;
+ rtadv->UseFastRexmit = true;
+ rtadv->DefaultPreference = RTADV_PREF_MEDIUM;
+
+ rtadv_prefixes_init(rtadv->prefixes);
+
+ rtadv->AdvRDNSSList = list_new();
+ rtadv->AdvDNSSLList = list_new();
+}
+
+void rtadv_if_fini(struct zebra_if *zif)
+{
+ struct rtadvconf *rtadv;
+ struct rtadv_prefix *rp;
+
+ rtadv = &zif->rtadv;
+
+ while ((rp = rtadv_prefixes_pop(rtadv->prefixes)))
+ rtadv_prefix_free(rp);
+
+ list_delete(&rtadv->AdvRDNSSList);
+ list_delete(&rtadv->AdvDNSSLList);
+}
+
void rtadv_vrf_init(struct zebra_vrf *zvrf)
{
if (!vrf_is_backend_netns() && (zvrf_id(zvrf) != VRF_DEFAULT))
return true;
}
-#else
-void rtadv_vrf_init(struct zebra_vrf *zvrf)
-{
- /* Empty.*/;
-}
-
-void rtadv_cmd_init(void)
-{
- /* Empty.*/;
-}
-
-void rtadv_add_prefix(struct zebra_if *zif, const struct prefix_ipv6 *p)
-{
- /* Empty.*/;
-}
-
-void rtadv_delete_prefix(struct zebra_if *zif, const struct prefix *p)
-{
- /* Empty.*/;
-}
-
-void rtadv_stop_ra(struct interface *ifp)
-{
- /* Empty.*/;
-}
-
-void rtadv_stop_ra_all(void)
-{
- /* Empty.*/;
-}
-
+#else /* !HAVE_RTADV */
/*
* If the end user does not have RADV enabled we should
* handle this better
#include "zebra.h"
#include "vty.h"
-#include "zebra/interface.h"
+#include "typesafe.h"
+
+#include "zebra/zserv.h"
#ifdef __cplusplus
extern "C" {
#endif
-/* NB: RTADV is defined in zebra/interface.h above */
+struct interface;
+struct zebra_if;
+
#if defined(HAVE_RTADV)
+PREDECL_SORTLIST_UNIQ(adv_if_list);
+/* Structure which hold status of router advertisement. */
+struct rtadv {
+ int sock;
+
+ struct adv_if_list_head adv_if;
+ struct adv_if_list_head adv_msec_if;
+
+ struct thread *ra_read;
+ struct thread *ra_timer;
+};
+
+PREDECL_RBTREE_UNIQ(rtadv_prefixes);
+
+/* 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;
+#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.
+
+ Default: 0.33 * MaxRtrAdvInterval */
+ int MinRtrAdvInterval; /* This field is currently unused. */
+#define RTADV_MIN_RTR_ADV_INTERVAL (0.33 * RTADV_MAX_RTR_ADV_INTERVAL)
+
+ /* 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;
+ struct timeval lastadvmanagedflag;
+
+
+ /* The true/false value to be placed in the "Other stateful
+ configuration" flag field in the Router Advertisement. See
+ [ADDRCONF].
+
+ Default: false */
+ int AdvOtherConfigFlag;
+ struct timeval lastadvotherconfigflag;
+
+ /* 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 */
+ uint32_t AdvReachableTime;
+#define RTADV_MAX_REACHABLE_TIME 3600000
+ struct timeval lastadvreachabletime;
+
+ /* 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;
+ struct timeval lastadvretranstimer;
+
+ /* 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;
+ struct timeval lastadvcurhoplimit;
+
+#define RTADV_DEFAULT_HOPLIMIT 64 /* 64 hops */
+
+ /* 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;
+#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.
+
+ 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 rtadv_prefixes_head prefixes[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;
+#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;
+#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]
+
+ 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]
+
+ Default: 0 (medium) */
+ int DefaultPreference;
+#define RTADV_PREF_MEDIUM 0x0 /* Per RFC4191. */
+
+ /*
+ * List of recursive DNS servers to include in the RDNSS option.
+ * See [RFC8106 5.1]
+ *
+ * Default: empty list; do not emit RDNSS option
+ */
+ struct list *AdvRDNSSList;
+
+ /*
+ * List of DNS search domains to include in the DNSSL option.
+ * See [RFC8106 5.2]
+ *
+ * Default: empty list; do not emit DNSSL option
+ */
+ struct list *AdvDNSSLList;
+
+ /*
+ * rfc4861 states RAs must be sent at least 3 seconds apart.
+ * We allow faster retransmits to speed up convergence but can
+ * turn that capability off to meet the rfc if needed.
+ */
+ bool UseFastRexmit; /* True if fast rexmits are enabled */
+
+ uint8_t inFastRexmit; /* True if we're rexmits faster than usual */
+
+ /* Track if RA was configured by BGP or by the Operator or both */
+ uint8_t ra_configured; /* Was RA configured? */
+#define BGP_RA_CONFIGURED (1 << 0) /* BGP configured RA? */
+#define VTY_RA_CONFIGURED (1 << 1) /* Operator configured RA? */
+#define VTY_RA_INTERVAL_CONFIGURED \
+ (1 << 2) /* Operator configured RA interval */
+ 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 \
+ */
+};
+
+struct rtadv_rdnss {
+ /* Address of recursive DNS server to advertise */
+ struct in6_addr addr;
+
+ /*
+ * Lifetime in seconds; all-ones means infinity, zero
+ * stop using it.
+ */
+ uint32_t lifetime;
+
+ /* If lifetime not set, use a default of 3*MaxRtrAdvInterval */
+ int lifetime_set;
+};
+
+/*
+ * [RFC1035 2.3.4] sets the maximum length of a domain name (a sequence of
+ * labels, each prefixed by a length octet) at 255 octets.
+ */
+#define RTADV_MAX_ENCODED_DOMAIN_NAME 255
+
+struct rtadv_dnssl {
+ /* Domain name without trailing root zone dot (NUL-terminated) */
+ char name[RTADV_MAX_ENCODED_DOMAIN_NAME - 1];
+
+ /* Name encoded as in [RFC1035 3.1] */
+ uint8_t encoded_name[RTADV_MAX_ENCODED_DOMAIN_NAME];
+
+ /* Actual length of encoded_name */
+ size_t encoded_len;
+
+ /* Lifetime as for RDNSS */
+ uint32_t lifetime;
+ int lifetime_set;
+};
+
/* Router advertisement prefix. */
struct rtadv_prefix {
+ struct rtadv_prefixes_item item;
+
/* Prefix to be advertised. */
struct prefix_ipv6 prefix;
} __attribute__((__packed__));
#endif
-#endif /* HAVE_RTADV */
-
/*
* ipv6 nd prefixes can be manually defined, derived from the kernel interface
* configs or both. If both, manual flag/timer settings are used.
extern void rtadv_stop_ra(struct interface *ifp);
extern void rtadv_stop_ra_all(void);
extern void rtadv_cmd_init(void);
-extern void zebra_interface_radv_disable(ZAPI_HANDLER_ARGS);
-extern void zebra_interface_radv_enable(ZAPI_HANDLER_ARGS);
+extern void rtadv_if_init(struct zebra_if *zif);
+extern void rtadv_if_up(struct zebra_if *zif);
+extern void rtadv_if_fini(struct zebra_if *zif);
extern void rtadv_add_prefix(struct zebra_if *zif, const struct prefix_ipv6 *p);
extern void rtadv_delete_prefix(struct zebra_if *zif, const struct prefix *p);
+
+#else /* !HAVE_RTADV */
+struct rtadv {
+ /* empty structs aren't valid ISO C */
+ char dummy;
+};
+
+struct rtadvconf {
+ /* same again, empty structs aren't valid ISO C */
+ char dummy;
+};
+
+static inline void rtadv_vrf_init(struct zebra_vrf *zvrf)
+{
+}
+static inline void rtadv_vrf_terminate(struct zebra_vrf *zvrf)
+{
+}
+static inline void rtadv_cmd_init(void)
+{
+}
+static inline void rtadv_if_init(struct zebra_if *zif)
+{
+}
+static inline void rtadv_if_up(struct zebra_if *zif)
+{
+}
+static inline void rtadv_if_fini(struct zebra_if *zif)
+{
+}
+static inline void rtadv_add_prefix(struct zebra_if *zif,
+ const struct prefix_ipv6 *p)
+{
+}
+static inline void rtadv_delete_prefix(struct zebra_if *zif,
+ const struct prefix *p)
+{
+}
+static inline void rtadv_stop_ra(struct interface *ifp)
+{
+}
+static inline void rtadv_stop_ra_all(void)
+{
+}
+#endif
+
+extern void zebra_interface_radv_disable(ZAPI_HANDLER_ARGS);
+extern void zebra_interface_radv_enable(ZAPI_HANDLER_ARGS);
+
extern uint32_t rtadv_get_interfaces_configured_from_bgp(void);
extern bool rtadv_compiled_in(void);
#include "if.h"
#include "vlan.h"
#include "vxlan.h"
+#include "zebra/zebra_vrf.h"
#ifdef __cplusplus
extern "C" {
#include "zebra/debug.h"
#include "zebra/zserv.h"
#include "zebra/zebra_opaque.h"
+#include "zebra/rib.h"
/* Mem type */
DEFINE_MTYPE_STATIC(ZEBRA, OPQ, "ZAPI Opaque Information");
zvrf->zns = zebra_ns_lookup((ns_id_t)vrf->vrf_id);
else
zvrf->zns = zebra_ns_lookup(NS_DEFAULT);
-#if defined(HAVE_RTADV)
+
rtadv_vrf_init(zvrf);
-#endif
/* Inform clients that the VRF is now active. This is an
* add for the clients.
/* Stop any VxLAN-EVPN processing. */
zebra_vxlan_vrf_disable(zvrf);
-#if defined(HAVE_RTADV)
rtadv_vrf_terminate(zvrf);
-#endif
/* Inform clients that the VRF is now inactive. This is a
* delete for the clients.
#include <zebra/zebra_ns.h>
#include <zebra/zebra_pw.h>
+#include <zebra/rtadv.h>
#include <lib/vxlan.h>
#ifdef __cplusplus
struct table_manager *tbl_mgr;
-#if defined(HAVE_RTADV)
struct rtadv rtadv;
-#endif /* HAVE_RTADV */
bool zebra_rnh_ip_default_route;
bool zebra_rnh_ipv6_default_route;
#include "lib/linklist.h" /* for list */
#include "lib/workqueue.h" /* for work_queue */
#include "lib/hook.h" /* for DECLARE_HOOK, DECLARE_KOOH */
-
-#include "zebra/zebra_vrf.h" /* for zebra_vrf */
/* clang-format on */
#ifdef __cplusplus
extern "C" {
#endif
+struct zebra_vrf;
+
/* Default port information. */
#define ZEBRA_VTY_PORT 2601
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