#include "bgpd/bgpd.h"
#include "bgpd/bgp_ecommunity.h"
+#define RT_ADDRSTRLEN 28
+
/* EVPN prefix lengths. */
#define EVPN_TYPE_2_ROUTE_PREFIXLEN 224
#define EVPN_TYPE_3_ROUTE_PREFIXLEN 224
/* EVPN route types. */
-typedef enum
-{
- BGP_EVPN_AD_ROUTE = 1, /* Ethernet Auto-Discovery (A-D) route */
- BGP_EVPN_MAC_IP_ROUTE, /* MAC/IP Advertisement route */
- BGP_EVPN_IMET_ROUTE, /* Inclusive Multicast Ethernet Tag route */
- BGP_EVPN_ES_ROUTE, /* Ethernet Segment route */
- BGP_EVPN_IP_PREFIX_ROUTE, /* IP Prefix route */
+typedef enum {
+ BGP_EVPN_AD_ROUTE = 1, /* Ethernet Auto-Discovery (A-D) route */
+ BGP_EVPN_MAC_IP_ROUTE, /* MAC/IP Advertisement route */
+ BGP_EVPN_IMET_ROUTE, /* Inclusive Multicast Ethernet Tag route */
+ BGP_EVPN_ES_ROUTE, /* Ethernet Segment route */
+ BGP_EVPN_IP_PREFIX_ROUTE, /* IP Prefix route */
} bgp_evpn_route_type;
/*
* on the system (through interaction with zebra) as well as pre-configured
* VNIs (which need to be defined in the system to become "live").
*/
-struct bgpevpn
-{
- vni_t vni;
- u_int32_t flags;
+struct bgpevpn {
+ vni_t vni;
+ u_int32_t flags;
#define VNI_FLAG_CFGD 0x1 /* VNI is user configured */
#define VNI_FLAG_LIVE 0x2 /* VNI is "live" */
#define VNI_FLAG_RD_CFGD 0x4 /* RD is user configured. */
#define VNI_FLAG_IMPRT_CFGD 0x8 /* Import RT is user configured */
#define VNI_FLAG_EXPRT_CFGD 0x10 /* Export RT is user configured */
- /* Id for deriving the RD automatically for this VNI */
- u_int16_t rd_id;
+ /* Flag to indicate if we are advertising the g/w mac ip for this VNI*/
+ u_int8_t advertise_gw_macip;
- /* RD for this VNI. */
- struct prefix_rd prd;
+ /* Id for deriving the RD automatically for this VNI */
+ u_int16_t rd_id;
- /* Route type 3 field */
- struct in_addr originator_ip;
+ /* RD for this VNI. */
+ struct prefix_rd prd;
- /* Import and Export RTs. */
- struct list *import_rtl;
- struct list *export_rtl;
+ /* Route type 3 field */
+ struct in_addr originator_ip;
- /* Route table for EVPN routes for this VNI. */
- struct bgp_table *route_table;
+ /* Import and Export RTs. */
+ struct list *import_rtl;
+ struct list *export_rtl;
- QOBJ_FIELDS
+ /* Route table for EVPN routes for this VNI. */
+ struct bgp_table *route_table;
+
+ QOBJ_FIELDS
};
DECLARE_QOBJ_TYPE(bgpevpn)
* 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.
*/
-struct irt_node
-{
- /* RT */
- struct ecommunity_val rt;
+struct irt_node {
+ /* RT */
+ struct ecommunity_val rt;
- /* List of VNIs importing routes matching this RT. */
- struct list *vnis;
+ /* List of VNIs importing routes matching this RT. */
+ struct list *vnis;
};
#define RT_TYPE_IMPORT 1
#define RT_TYPE_EXPORT 2
#define RT_TYPE_BOTH 3
-static inline int
-is_vni_configured (struct bgpevpn *vpn)
+static inline int is_vni_configured(struct bgpevpn *vpn)
{
- return (CHECK_FLAG (vpn->flags, VNI_FLAG_CFGD));
+ return (CHECK_FLAG(vpn->flags, VNI_FLAG_CFGD));
}
-static inline int
-is_vni_live (struct bgpevpn *vpn)
+static inline int is_vni_live(struct bgpevpn *vpn)
{
- return (CHECK_FLAG (vpn->flags, VNI_FLAG_LIVE));
+ return (CHECK_FLAG(vpn->flags, VNI_FLAG_LIVE));
}
-static inline int
-is_rd_configured (struct bgpevpn *vpn)
+static inline int is_rd_configured(struct bgpevpn *vpn)
{
- return (CHECK_FLAG (vpn->flags, VNI_FLAG_RD_CFGD));
+ return (CHECK_FLAG(vpn->flags, VNI_FLAG_RD_CFGD));
}
-static inline int
-bgp_evpn_rd_matches_existing (struct bgpevpn *vpn, struct prefix_rd *prd)
+static inline int bgp_evpn_rd_matches_existing(struct bgpevpn *vpn,
+ struct prefix_rd *prd)
{
- return(memcmp (&vpn->prd.val, prd->val, ECOMMUNITY_SIZE) == 0);
+ return (memcmp(&vpn->prd.val, prd->val, ECOMMUNITY_SIZE) == 0);
}
-static inline int
-is_import_rt_configured (struct bgpevpn *vpn)
+static inline int is_import_rt_configured(struct bgpevpn *vpn)
{
- return (CHECK_FLAG (vpn->flags, VNI_FLAG_IMPRT_CFGD));
+ return (CHECK_FLAG(vpn->flags, VNI_FLAG_IMPRT_CFGD));
}
-static inline int
-is_export_rt_configured (struct bgpevpn *vpn)
+static inline int is_export_rt_configured(struct bgpevpn *vpn)
{
- return (CHECK_FLAG (vpn->flags, VNI_FLAG_EXPRT_CFGD));
+ return (CHECK_FLAG(vpn->flags, VNI_FLAG_EXPRT_CFGD));
}
-static inline int
-is_vni_param_configured (struct bgpevpn *vpn)
+static inline int is_vni_param_configured(struct bgpevpn *vpn)
{
- return (is_rd_configured (vpn) ||
- is_import_rt_configured (vpn) ||
- is_export_rt_configured (vpn));
+ return (is_rd_configured(vpn) || is_import_rt_configured(vpn)
+ || is_export_rt_configured(vpn));
}
-static inline void
-vni2label (vni_t vni, mpls_label_t *label)
+static inline void vni2label(vni_t vni, mpls_label_t *label)
{
- u_char *tag = (u_char *) label;
- tag[0] = (vni >> 16) & 0xFF;
- tag[1] = (vni >> 8) & 0xFF;
- tag[2] = vni & 0xFF;
+ u_char *tag = (u_char *)label;
+ tag[0] = (vni >> 16) & 0xFF;
+ tag[1] = (vni >> 8) & 0xFF;
+ tag[2] = vni & 0xFF;
}
-static inline vni_t
-label2vni (mpls_label_t *label)
+static inline vni_t label2vni(mpls_label_t *label)
{
- u_char *tag = (u_char *) label;
- vni_t vni;
+ u_char *tag = (u_char *)label;
+ vni_t vni;
- vni = ((u_int32_t) *tag++ << 16);
- vni |= (u_int32_t) *tag++ << 8;
- vni |= (u_int32_t) (*tag & 0xFF);
+ vni = ((u_int32_t)*tag++ << 16);
+ vni |= (u_int32_t)*tag++ << 8;
+ vni |= (u_int32_t)(*tag & 0xFF);
- return vni;
+ return vni;
}
-static inline void
-encode_mac_mobility_extcomm (int static_mac, u_int32_t seq,
- struct ecommunity_val *eval)
+static inline void encode_mac_mobility_extcomm(int static_mac, u_int32_t seq,
+ struct ecommunity_val *eval)
{
- memset (eval, 0, sizeof (*eval));
- eval->val[0] = ECOMMUNITY_ENCODE_EVPN;
- eval->val[1] = ECOMMUNITY_EVPN_SUBTYPE_MACMOBILITY;
- if (static_mac)
- eval->val[2] = ECOMMUNITY_EVPN_SUBTYPE_MACMOBILITY_FLAG_STICKY;
- eval->val[4] = (seq >> 24) & 0xff;
- eval->val[5] = (seq >> 16) & 0xff;
- eval->val[6] = (seq >> 8) & 0xff;
- eval->val[7] = seq & 0xff;
+ memset(eval, 0, sizeof(*eval));
+ eval->val[0] = ECOMMUNITY_ENCODE_EVPN;
+ eval->val[1] = ECOMMUNITY_EVPN_SUBTYPE_MACMOBILITY;
+ if (static_mac)
+ eval->val[2] = ECOMMUNITY_EVPN_SUBTYPE_MACMOBILITY_FLAG_STICKY;
+ eval->val[4] = (seq >> 24) & 0xff;
+ eval->val[5] = (seq >> 16) & 0xff;
+ eval->val[6] = (seq >> 8) & 0xff;
+ eval->val[7] = seq & 0xff;
}
-static inline void
-build_evpn_type2_prefix (struct prefix_evpn *p, struct ethaddr *mac,
- struct ipaddr *ip)
+static inline void build_evpn_type2_prefix(struct prefix_evpn *p,
+ struct ethaddr *mac,
+ struct ipaddr *ip)
{
- memset (p, 0, sizeof (struct prefix_evpn));
- p->family = AF_ETHERNET;
- p->prefixlen = EVPN_TYPE_2_ROUTE_PREFIXLEN;
- p->prefix.route_type = BGP_EVPN_MAC_IP_ROUTE;
- memcpy(&p->prefix.mac.octet, mac->octet, ETHER_ADDR_LEN);
- p->prefix.ip.ipa_type = IPADDR_NONE;
- if (ip)
- memcpy(&p->prefix.ip, ip, sizeof (*ip));
+ memset(p, 0, sizeof(struct prefix_evpn));
+ p->family = AF_EVPN;
+ p->prefixlen = EVPN_TYPE_2_ROUTE_PREFIXLEN;
+ p->prefix.route_type = BGP_EVPN_MAC_IP_ROUTE;
+ memcpy(&p->prefix.mac.octet, mac->octet, ETH_ALEN);
+ p->prefix.ip.ipa_type = IPADDR_NONE;
+ if (ip)
+ memcpy(&p->prefix.ip, ip, sizeof(*ip));
}
-static inline void
-build_evpn_type3_prefix (struct prefix_evpn *p, struct in_addr originator_ip)
+static inline void build_evpn_type3_prefix(struct prefix_evpn *p,
+ struct in_addr originator_ip)
{
- memset (p, 0, sizeof (struct prefix_evpn));
- p->family = AF_ETHERNET;
- p->prefixlen = EVPN_TYPE_3_ROUTE_PREFIXLEN;
- p->prefix.route_type = BGP_EVPN_IMET_ROUTE;
- p->prefix.ip.ipa_type = IPADDR_V4;
- p->prefix.ip.ipaddr_v4 = originator_ip;
+ memset(p, 0, sizeof(struct prefix_evpn));
+ p->family = AF_EVPN;
+ p->prefixlen = EVPN_TYPE_3_ROUTE_PREFIXLEN;
+ p->prefix.route_type = BGP_EVPN_IMET_ROUTE;
+ p->prefix.ip.ipa_type = IPADDR_V4;
+ p->prefix.ip.ipaddr_v4 = originator_ip;
}
-extern int
-bgp_evpn_handle_export_rt_change (struct bgp *bgp, struct bgpevpn *vpn);
-extern void
-bgp_evpn_handle_rd_change (struct bgp *bgp, struct bgpevpn *vpn, int withdraw);
-extern int
-bgp_evpn_install_routes (struct bgp *bgp, struct bgpevpn *vpn);
-extern int
-bgp_evpn_uninstall_routes (struct bgp *bgp, struct bgpevpn *vpn);
-extern void
-bgp_evpn_map_vni_to_its_rts (struct bgp *bgp, struct bgpevpn *vpn);
-extern void
-bgp_evpn_unmap_vni_from_its_rts (struct bgp *bgp, struct bgpevpn *vpn);
-extern void
-bgp_evpn_derive_auto_rt_import (struct bgp *bgp, struct bgpevpn *vpn);
-extern void
-bgp_evpn_derive_auto_rt_export (struct bgp *bgp, struct bgpevpn *vpn);
-extern void
-bgp_evpn_derive_auto_rd (struct bgp *bgp, struct bgpevpn *vpn);
-extern struct bgpevpn *
-bgp_evpn_lookup_vni (struct bgp *bgp, vni_t vni);
-extern struct bgpevpn *
-bgp_evpn_new (struct bgp *bgp, vni_t vni, struct in_addr originator_ip);
-extern void
-bgp_evpn_free (struct bgp *bgp, struct bgpevpn *vpn);
+extern int bgp_evpn_handle_export_rt_change(struct bgp *bgp,
+ struct bgpevpn *vpn);
+extern void bgp_evpn_handle_rd_change(struct bgp *bgp, struct bgpevpn *vpn,
+ int withdraw);
+extern int bgp_evpn_install_routes(struct bgp *bgp, struct bgpevpn *vpn);
+extern int bgp_evpn_uninstall_routes(struct bgp *bgp, struct bgpevpn *vpn);
+extern void bgp_evpn_map_vni_to_its_rts(struct bgp *bgp, struct bgpevpn *vpn);
+extern void bgp_evpn_unmap_vni_from_its_rts(struct bgp *bgp,
+ struct bgpevpn *vpn);
+extern void bgp_evpn_derive_auto_rt_import(struct bgp *bgp,
+ struct bgpevpn *vpn);
+extern void bgp_evpn_derive_auto_rt_export(struct bgp *bgp,
+ struct bgpevpn *vpn);
+extern void bgp_evpn_derive_auto_rd(struct bgp *bgp, struct bgpevpn *vpn);
+extern struct bgpevpn *bgp_evpn_lookup_vni(struct bgp *bgp, vni_t vni);
+extern struct bgpevpn *bgp_evpn_new(struct bgp *bgp, vni_t vni,
+ struct in_addr originator_ip);
+extern void bgp_evpn_free(struct bgp *bgp, struct bgpevpn *vpn);
#endif /* _BGP_EVPN_PRIVATE_H */
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