#define RT_ADDRSTRLEN 28
/* EVPN prefix lengths. This reprsent the sizeof struct prefix_evpn */
-#define EVPN_TYPE_2_ROUTE_PREFIXLEN 224
-#define EVPN_TYPE_3_ROUTE_PREFIXLEN 224
-#define EVPN_TYPE_5_ROUTE_PREFIXLEN 224
+#define EVPN_ROUTE_PREFIXLEN 224
/* EVPN route types. */
typedef enum {
DECLARE_QOBJ_TYPE(bgpevpn)
+struct evpnes {
+
+ /* Ethernet Segment Identifier */
+ esi_t esi;
+
+ /* es flags */
+ uint16_t flags;
+#define EVPNES_LOCAL 0x01
+#define EVPNES_REMOTE 0x02
+
+ /*
+ * Id for deriving the RD
+ * automatically for this ESI
+ */
+ uint16_t rd_id;
+
+ /* RD for this VNI. */
+ struct prefix_rd prd;
+
+ /* originator ip address */
+ struct ipaddr originator_ip;
+
+ /* list of VTEPs in the same site */
+ struct list *vtep_list;
+
+ /*
+ * Route table for EVPN routes for
+ * this ESI. - type4 routes
+ */
+ struct bgp_table *route_table;
+
+ QOBJ_FIELDS
+};
+
+DECLARE_QOBJ_TYPE(evpnes)
+
/* Mapping of Import RT to VNIs.
* The Import RTs of all VNIs are maintained in a hash table with each
* RT linking to all VNIs that will import routes matching this RT.
#define RT_TYPE_EXPORT 2
#define RT_TYPE_BOTH 3
+#define EVPN_DAD_DEFAULT_TIME 180 /* secs */
+#define EVPN_DAD_DEFAULT_MAX_MOVES 5 /* default from RFC 7432 */
+#define EVPN_DAD_DEFAULT_AUTO_RECOVERY_TIME 1800 /* secs */
+
+struct bgp_evpn_info {
+ /* enable disable dup detect */
+ bool dup_addr_detect;
+
+ /* Detection time(M) */
+ int dad_time;
+ /* Detection max moves(N) */
+ uint32_t dad_max_moves;
+ /* Permanent freeze */
+ bool dad_freeze;
+ /* Recovery time */
+ uint32_t dad_freeze_time;
+};
+
static inline int is_vrf_rd_configured(struct bgp *bgp_vrf)
{
return (CHECK_FLAG(bgp_vrf->vrf_flags, BGP_VRF_RD_CFGD));
|| is_export_rt_configured(vpn));
}
+static inline void encode_es_rt_extcomm(struct ecommunity_val *eval,
+ struct ethaddr *mac)
+{
+ memset(eval, 0, sizeof(struct ecommunity_val));
+ eval->val[0] = ECOMMUNITY_ENCODE_EVPN;
+ eval->val[1] = ECOMMUNITY_EVPN_SUBTYPE_ES_IMPORT_RT;
+ memcpy(&eval->val[2], mac, ETH_ALEN);
+}
+
static inline void encode_rmac_extcomm(struct ecommunity_val *eval,
struct ethaddr *rmac)
{
eval->val[7] = seq & 0xff;
}
+static inline void encode_na_flag_extcomm(struct ecommunity_val *eval,
+ uint8_t na_flag)
+{
+ memset(eval, 0, sizeof(*eval));
+ eval->val[0] = ECOMMUNITY_ENCODE_EVPN;
+ eval->val[1] = ECOMMUNITY_EVPN_SUBTYPE_ND;
+ if (na_flag)
+ eval->val[2] |= ECOMMUNITY_EVPN_SUBTYPE_ND_ROUTER_FLAG;
+}
+
static inline void ip_prefix_from_type5_prefix(struct prefix_evpn *evp,
struct prefix *ip)
{
}
}
-static inline int is_evpn_prefix_default(struct prefix *evp)
+static inline int is_evpn_prefix_default(const struct prefix *evp)
{
if (evp->family != AF_EVPN)
return 0;
{
memset(p, 0, sizeof(struct prefix_evpn));
p->family = AF_EVPN;
- p->prefixlen = EVPN_TYPE_2_ROUTE_PREFIXLEN;
+ p->prefixlen = EVPN_ROUTE_PREFIXLEN;
p->prefix.route_type = BGP_EVPN_MAC_IP_ROUTE;
memcpy(&p->prefix.macip_addr.mac.octet, mac->octet, ETH_ALEN);
p->prefix.macip_addr.ip.ipa_type = IPADDR_NONE;
memset(evp, 0, sizeof(struct prefix_evpn));
evp->family = AF_EVPN;
- evp->prefixlen = EVPN_TYPE_5_ROUTE_PREFIXLEN;
+ evp->prefixlen = EVPN_ROUTE_PREFIXLEN;
evp->prefix.route_type = BGP_EVPN_IP_PREFIX_ROUTE;
evp->prefix.prefix_addr.ip_prefix_length = ip_prefix->prefixlen;
evp->prefix.prefix_addr.ip.ipa_type = ip.ipa_type;
{
memset(p, 0, sizeof(struct prefix_evpn));
p->family = AF_EVPN;
- p->prefixlen = EVPN_TYPE_3_ROUTE_PREFIXLEN;
+ p->prefixlen = EVPN_ROUTE_PREFIXLEN;
p->prefix.route_type = BGP_EVPN_IMET_ROUTE;
p->prefix.imet_addr.ip.ipa_type = IPADDR_V4;
p->prefix.imet_addr.ip.ipaddr_v4 = originator_ip;
}
+static inline void build_evpn_type4_prefix(struct prefix_evpn *p,
+ esi_t *esi,
+ struct in_addr originator_ip)
+{
+ memset(p, 0, sizeof(struct prefix_evpn));
+ p->family = AF_EVPN;
+ p->prefixlen = EVPN_ROUTE_PREFIXLEN;
+ p->prefix.route_type = BGP_EVPN_ES_ROUTE;
+ p->prefix.es_addr.ip_prefix_length = IPV4_MAX_BITLEN;
+ p->prefix.es_addr.ip.ipa_type = IPADDR_V4;
+ p->prefix.es_addr.ip.ipaddr_v4 = originator_ip;
+ memcpy(&p->prefix.es_addr.esi, esi, sizeof(esi_t));
+}
+
static inline int evpn_default_originate_set(struct bgp *bgp, afi_t afi,
safi_t safi)
{
return 0;
}
+static inline void es_get_system_mac(esi_t *esi,
+ struct ethaddr *mac)
+{
+ /*
+ * for type-1 and type-3 ESIs,
+ * the system mac starts at val[1]
+ */
+ memcpy(mac, &esi->val[1], ETH_ALEN);
+}
+
+static inline int is_es_local(struct evpnes *es)
+{
+ return CHECK_FLAG(es->flags, EVPNES_LOCAL) ? 1 : 0;
+}
+
+extern void bgp_evpn_install_uninstall_default_route(struct bgp *bgp_vrf,
+ afi_t afi, safi_t safi,
+ bool add);
extern void evpn_rt_delete_auto(struct bgp *, vni_t, struct list *);
extern void bgp_evpn_configure_export_rt_for_vrf(struct bgp *bgp_vrf,
struct ecommunity *ecomadd);
struct ecommunity *ecomdel);
extern int bgp_evpn_handle_export_rt_change(struct bgp *bgp,
struct bgpevpn *vpn);
+extern void bgp_evpn_handle_autort_change(struct bgp *bgp);
extern void bgp_evpn_handle_vrf_rd_change(struct bgp *bgp_vrf, int withdraw);
extern void bgp_evpn_handle_rd_change(struct bgp *bgp, struct bgpevpn *vpn,
int withdraw);
struct in_addr originator_ip,
vrf_id_t tenant_vrf_id);
extern void bgp_evpn_free(struct bgp *bgp, struct bgpevpn *vpn);
+extern struct evpnes *bgp_evpn_lookup_es(struct bgp *bgp, esi_t *esi);
+extern struct evpnes *bgp_evpn_es_new(struct bgp *bgp, esi_t *esi,
+ struct ipaddr *originator_ip);
+extern void bgp_evpn_es_free(struct bgp *bgp, struct evpnes *es);
+extern bool bgp_evpn_lookup_l3vni_l2vni_table(vni_t vni);
#endif /* _BGP_EVPN_PRIVATE_H */
projects / mirror_frr.git / blobdiff