#include "bgpd/bgp_route.h"
#include "bgpd/bgp_rd.h"
+#include "bgpd/bgp_zebra.h"
#define MPLS_LABEL_IS_SPECIAL(label) ((label) <= MPLS_LABEL_EXTENSION)
#define MPLS_LABEL_IS_NULL(label) \
extern void bgp_mplsvpn_init(void);
extern int bgp_nlri_parse_vpn(struct peer *, struct attr *, struct bgp_nlri *);
-extern u_int32_t decode_label(mpls_label_t *);
+extern uint32_t decode_label(mpls_label_t *);
extern void encode_label(mpls_label_t, mpls_label_t *);
extern int argv_find_and_parse_vpnvx(struct cmd_token **argv, int argc,
int *index, afi_t *afi);
extern int bgp_show_mpls_vpn(struct vty *vty, afi_t afi, struct prefix_rd *prd,
enum bgp_show_type type, void *output_arg,
- int tags, u_char use_json);
+ int tags, bool use_json);
+
+extern void vpn_leak_from_vrf_update(struct bgp *bgp_vpn, struct bgp *bgp_vrf,
+ struct bgp_path_info *path_vrf);
+
+extern void vpn_leak_from_vrf_withdraw(struct bgp *bgp_vpn, struct bgp *bgp_vrf,
+ struct bgp_path_info *path_vrf);
+
+extern void vpn_leak_from_vrf_withdraw_all(struct bgp *bgp_vpn,
+ struct bgp *bgp_vrf, afi_t afi);
+
+extern void vpn_leak_from_vrf_update_all(struct bgp *bgp_vpn,
+ struct bgp *bgp_vrf, afi_t afi);
+
+extern void vpn_leak_to_vrf_withdraw_all(struct bgp *bgp_vrf, afi_t afi);
+
+extern void vpn_leak_to_vrf_update_all(struct bgp *bgp_vrf, struct bgp *bgp_vpn,
+ afi_t afi);
+
+extern void vpn_leak_to_vrf_update(struct bgp *bgp_vpn,
+ struct bgp_path_info *path_vpn);
+
+extern void vpn_leak_to_vrf_withdraw(struct bgp *bgp_vpn,
+ struct bgp_path_info *path_vpn);
+
+extern void vpn_leak_zebra_vrf_label_update(struct bgp *bgp, afi_t afi);
+extern void vpn_leak_zebra_vrf_label_withdraw(struct bgp *bgp, afi_t afi);
+extern int vpn_leak_label_callback(mpls_label_t label, void *lblid, bool alloc);
+extern void vrf_import_from_vrf(struct bgp *to_bgp, struct bgp *from_bgp,
+ afi_t afi, safi_t safi);
+void vrf_unimport_from_vrf(struct bgp *to_bgp, struct bgp *from_bgp,
+ afi_t afi, safi_t safi);
+
+static inline int vpn_leak_to_vpn_active(struct bgp *bgp_vrf, afi_t afi,
+ const char **pmsg)
+{
+ if (bgp_vrf->inst_type != BGP_INSTANCE_TYPE_VRF
+ && bgp_vrf->inst_type != BGP_INSTANCE_TYPE_DEFAULT) {
+
+ if (pmsg)
+ *pmsg = "source bgp instance neither vrf nor default";
+ return 0;
+ }
+
+ /* Is vrf configured to export to vpn? */
+ if (!CHECK_FLAG(bgp_vrf->af_flags[afi][SAFI_UNICAST],
+ BGP_CONFIG_VRF_TO_MPLSVPN_EXPORT)
+ && !CHECK_FLAG(bgp_vrf->af_flags[afi][SAFI_UNICAST],
+ BGP_CONFIG_VRF_TO_VRF_EXPORT)) {
+ if (pmsg)
+ *pmsg = "export not set";
+ return 0;
+ }
+
+ /* Is there an RT list set? */
+ if (!bgp_vrf->vpn_policy[afi].rtlist[BGP_VPN_POLICY_DIR_TOVPN]) {
+ if (pmsg)
+ *pmsg = "rtlist tovpn not defined";
+ return 0;
+ }
+
+ /* Is there an RD set? */
+ if (!CHECK_FLAG(bgp_vrf->vpn_policy[afi].flags,
+ BGP_VPN_POLICY_TOVPN_RD_SET)) {
+ if (pmsg)
+ *pmsg = "rd not defined";
+ return 0;
+ }
+
+ /* Is a route-map specified, but not defined? */
+ if (bgp_vrf->vpn_policy[afi].rmap_name[BGP_VPN_POLICY_DIR_TOVPN] &&
+ !bgp_vrf->vpn_policy[afi].rmap[BGP_VPN_POLICY_DIR_TOVPN]) {
+ if (pmsg)
+ *pmsg = "route-map tovpn named but not defined";
+ return 0;
+ }
+
+ /* Is there an "auto" export label that isn't allocated yet? */
+ if (CHECK_FLAG(bgp_vrf->vpn_policy[afi].flags,
+ BGP_VPN_POLICY_TOVPN_LABEL_AUTO) &&
+ (bgp_vrf->vpn_policy[afi].tovpn_label == MPLS_LABEL_NONE)) {
+
+ if (pmsg)
+ *pmsg = "auto label not allocated";
+ return 0;
+ }
+
+ return 1;
+}
+
+static inline int vpn_leak_from_vpn_active(struct bgp *bgp_vrf, afi_t afi,
+ const char **pmsg)
+{
+ if (bgp_vrf->inst_type != BGP_INSTANCE_TYPE_VRF
+ && bgp_vrf->inst_type != BGP_INSTANCE_TYPE_DEFAULT) {
+
+ if (pmsg)
+ *pmsg = "destination bgp instance neither vrf nor default";
+ return 0;
+ }
+
+ if (bgp_vrf->vrf_id == VRF_UNKNOWN) {
+ if (pmsg)
+ *pmsg = "destination bgp instance vrf is VRF_UNKNOWN";
+ return 0;
+ }
+
+ /* Is vrf configured to import from vpn? */
+ if (!CHECK_FLAG(bgp_vrf->af_flags[afi][SAFI_UNICAST],
+ BGP_CONFIG_MPLSVPN_TO_VRF_IMPORT)
+ && !CHECK_FLAG(bgp_vrf->af_flags[afi][SAFI_UNICAST],
+ BGP_CONFIG_VRF_TO_VRF_IMPORT)) {
+ if (pmsg)
+ *pmsg = "import not set";
+ return 0;
+ }
+
+ /* Is there an RT list set? */
+ if (!bgp_vrf->vpn_policy[afi].rtlist[BGP_VPN_POLICY_DIR_FROMVPN]) {
+ if (pmsg)
+ *pmsg = "rtlist fromvpn not defined";
+ return 0;
+ }
+
+ /* Is a route-map specified, but not defined? */
+ if (bgp_vrf->vpn_policy[afi].rmap_name[BGP_VPN_POLICY_DIR_FROMVPN] &&
+ !bgp_vrf->vpn_policy[afi].rmap[BGP_VPN_POLICY_DIR_FROMVPN]) {
+ if (pmsg)
+ *pmsg = "route-map fromvpn named but not defined";
+ return 0;
+ }
+ return 1;
+}
+
+static inline void vpn_leak_prechange(vpn_policy_direction_t direction,
+ afi_t afi, struct bgp *bgp_vpn,
+ struct bgp *bgp_vrf)
+{
+ /* Detect when default bgp instance is not (yet) defined by config */
+ if (!bgp_vpn)
+ return;
+
+ if ((direction == BGP_VPN_POLICY_DIR_FROMVPN) &&
+ vpn_leak_from_vpn_active(bgp_vrf, afi, NULL)) {
+
+ vpn_leak_to_vrf_withdraw_all(bgp_vrf, afi);
+ }
+ if ((direction == BGP_VPN_POLICY_DIR_TOVPN) &&
+ vpn_leak_to_vpn_active(bgp_vrf, afi, NULL)) {
+
+ vpn_leak_from_vrf_withdraw_all(bgp_vpn, bgp_vrf, afi);
+ }
+}
+
+static inline void vpn_leak_postchange(vpn_policy_direction_t direction,
+ afi_t afi, struct bgp *bgp_vpn,
+ struct bgp *bgp_vrf)
+{
+ /* Detect when default bgp instance is not (yet) defined by config */
+ if (!bgp_vpn)
+ return;
+
+ if (direction == BGP_VPN_POLICY_DIR_FROMVPN)
+ vpn_leak_to_vrf_update_all(bgp_vrf, bgp_vpn, afi);
+ if (direction == BGP_VPN_POLICY_DIR_TOVPN) {
+
+ if (bgp_vrf->vpn_policy[afi].tovpn_label !=
+ bgp_vrf->vpn_policy[afi]
+ .tovpn_zebra_vrf_label_last_sent) {
+ vpn_leak_zebra_vrf_label_update(bgp_vrf, afi);
+ }
+
+ vpn_leak_from_vrf_update_all(bgp_vpn, bgp_vrf, afi);
+ }
+}
+
+extern void vpn_policy_routemap_event(const char *rmap_name);
+
+extern vrf_id_t get_first_vrf_for_redirect_with_rt(struct ecommunity *eckey);
+
+extern void vpn_leak_postchange_all(void);
#endif /* _QUAGGA_BGP_MPLSVPN_H */
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