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Diffstat (limited to 'bgpd/rfapi/rfapi_rib.h')
| -rw-r--r-- | bgpd/rfapi/rfapi_rib.h | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/bgpd/rfapi/rfapi_rib.h b/bgpd/rfapi/rfapi_rib.h new file mode 100644 index 0000000..3ad021b --- /dev/null +++ b/bgpd/rfapi/rfapi_rib.h @@ -0,0 +1,154 @@ +/* + * + * Copyright 2009-2016, LabN Consulting, L.L.C. + * + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; see the file COPYING; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/* + * File: rfapi_rib.h + * Purpose: per-nve rib + */ + +#ifndef QUAGGA_HGP_RFAPI_RIB_H +#define QUAGGA_HGP_RFAPI_RIB_H + +/* + * Key for indexing RIB and Pending RIB skiplists. For L3 RIBs, + * the VN address is sufficient because it represents the actual next hop. + * + * For L2 RIBs, it is possible to have multiple routes to a given L2 + * prefix via a given VN address, but each route having a unique aux_prefix. + */ +struct rfapi_rib_key { + struct prefix vn; + struct prefix_rd rd; + + /* + * for L2 routes: optional IP addr + * .family == 0 means "none" + */ + struct prefix aux_prefix; +}; +#include "rfapi.h" + +/* + * RFAPI Advertisement Data Block + * + * Holds NVE prefix advertisement information + */ +struct rfapi_adb { + union { + struct { + struct prefix prefix_ip; + struct prefix_rd prd; + struct prefix prefix_eth; + } s; /* mainly for legacy use */ + struct rfapi_rib_key key; + } u; + uint32_t lifetime; + uint8_t cost; + struct rfapi_l2address_option l2o; +}; + +struct rfapi_info { + struct rfapi_rib_key rk; /* NVE VN addr + aux addr */ + struct prefix un; + uint8_t cost; + uint32_t lifetime; + time_t last_sent_time; + uint32_t rsp_counter; /* dedup initial responses */ + struct bgp_tea_options *tea_options; + struct rfapi_un_option *un_options; + struct rfapi_vn_option *vn_options; + struct thread *timer; +}; + +/* + * Work item for updated responses queue + */ +struct rfapi_updated_responses_queue { + struct rfapi_descriptor *rfd; + afi_t afi; +}; + + +extern void rfapiRibClear(struct rfapi_descriptor *rfd); + +extern void rfapiRibFree(struct rfapi_descriptor *rfd); + +extern void rfapiRibUpdatePendingNode(struct bgp *bgp, + struct rfapi_descriptor *rfd, + struct rfapi_import_table *it, + struct agg_node *it_node, + uint32_t lifetime); + +extern void rfapiRibUpdatePendingNodeSubtree(struct bgp *bgp, + struct rfapi_descriptor *rfd, + struct rfapi_import_table *it, + struct agg_node *it_node, + struct agg_node *omit_subtree, + uint32_t lifetime); + +extern int rfapiRibPreloadBi(struct agg_node *rfd_rib_node, + struct prefix *pfx_vn, struct prefix *pfx_un, + uint32_t lifetime, struct bgp_path_info *bpi); + +extern struct rfapi_next_hop_entry * +rfapiRibPreload(struct bgp *bgp, struct rfapi_descriptor *rfd, + struct rfapi_next_hop_entry *response, int use_eth_resolution); + +extern void rfapiRibPendingDeleteRoute(struct bgp *bgp, + struct rfapi_import_table *it, afi_t afi, + struct agg_node *it_node); + +extern void rfapiRibShowResponsesSummary(void *stream); + +extern void rfapiRibShowResponsesSummaryClear(void); + +extern void rfapiRibShowResponses(void *stream, struct prefix *pfx_match, + int show_removed); + +extern int rfapiRibFTDFilterRecentPrefix( + struct rfapi_descriptor *rfd, + struct agg_node *it_rn, /* import table node */ + struct prefix *pfx_target_original); /* query target */ + +extern void rfapiFreeRfapiUnOptionChain(struct rfapi_un_option *p); + +extern void rfapiFreeRfapiVnOptionChain(struct rfapi_vn_option *p); + +extern void +rfapiRibCheckCounts(int checkstats, /* validate rfd & global counts */ + unsigned int offset); /* number of ri's held separately */ + +/* enable for debugging; disable for performance */ +#if 0 +#define RFAPI_RIB_CHECK_COUNTS(checkstats, offset) rfapiRibCheckCounts(checkstats, offset) +#else +#define RFAPI_RIB_CHECK_COUNTS(checkstats, offset) +#endif + +extern void rfapi_rib_key_init(struct prefix *prefix, /* may be NULL */ + struct prefix_rd *rd, /* may be NULL */ + struct prefix *aux, /* may be NULL */ + struct rfapi_rib_key *rk); + +extern int rfapi_rib_key_cmp(const void *k1, const void *k2); + +extern void rfapiAdbFree(struct rfapi_adb *adb); + +#endif /* QUAGGA_HGP_RFAPI_RIB_H */ |