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1a4189d4a1
Make some key values const for the skiplist code. Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
155 lines
4.4 KiB
C
155 lines
4.4 KiB
C
/*
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*
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* Copyright 2009-2016, LabN Consulting, L.L.C.
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*
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; see the file COPYING; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/*
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* File: rfapi_rib.h
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* Purpose: per-nve rib
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*/
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#ifndef QUAGGA_HGP_RFAPI_RIB_H
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#define QUAGGA_HGP_RFAPI_RIB_H
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/*
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* Key for indexing RIB and Pending RIB skiplists. For L3 RIBs,
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* the VN address is sufficient because it represents the actual next hop.
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*
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* For L2 RIBs, it is possible to have multiple routes to a given L2
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* prefix via a given VN address, but each route having a unique aux_prefix.
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*/
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struct rfapi_rib_key {
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struct prefix vn;
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struct prefix_rd rd;
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/*
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* for L2 routes: optional IP addr
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* .family == 0 means "none"
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*/
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struct prefix aux_prefix;
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};
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#include "rfapi.h"
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/*
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* RFAPI Advertisement Data Block
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*
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* Holds NVE prefix advertisement information
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*/
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struct rfapi_adb {
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union {
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struct {
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struct prefix prefix_ip;
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struct prefix_rd prd;
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struct prefix prefix_eth;
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} s; /* mainly for legacy use */
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struct rfapi_rib_key key;
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} u;
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uint32_t lifetime;
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uint8_t cost;
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struct rfapi_l2address_option l2o;
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};
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struct rfapi_info {
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struct rfapi_rib_key rk; /* NVE VN addr + aux addr */
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struct prefix un;
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uint8_t cost;
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uint32_t lifetime;
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time_t last_sent_time;
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uint32_t rsp_counter; /* dedup initial responses */
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struct bgp_tea_options *tea_options;
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struct rfapi_un_option *un_options;
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struct rfapi_vn_option *vn_options;
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struct thread *timer;
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};
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/*
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* Work item for updated responses queue
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*/
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struct rfapi_updated_responses_queue {
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struct rfapi_descriptor *rfd;
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afi_t afi;
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};
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extern void rfapiRibClear(struct rfapi_descriptor *rfd);
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extern void rfapiRibFree(struct rfapi_descriptor *rfd);
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extern void rfapiRibUpdatePendingNode(struct bgp *bgp,
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struct rfapi_descriptor *rfd,
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struct rfapi_import_table *it,
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struct agg_node *it_node,
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uint32_t lifetime);
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extern void rfapiRibUpdatePendingNodeSubtree(struct bgp *bgp,
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struct rfapi_descriptor *rfd,
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struct rfapi_import_table *it,
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struct agg_node *it_node,
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struct agg_node *omit_subtree,
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uint32_t lifetime);
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extern int rfapiRibPreloadBi(struct agg_node *rfd_rib_node,
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struct prefix *pfx_vn, struct prefix *pfx_un,
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uint32_t lifetime, struct bgp_path_info *bpi);
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extern struct rfapi_next_hop_entry *
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rfapiRibPreload(struct bgp *bgp, struct rfapi_descriptor *rfd,
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struct rfapi_next_hop_entry *response, int use_eth_resolution);
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extern void rfapiRibPendingDeleteRoute(struct bgp *bgp,
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struct rfapi_import_table *it, afi_t afi,
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struct agg_node *it_node);
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extern void rfapiRibShowResponsesSummary(void *stream);
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extern void rfapiRibShowResponsesSummaryClear(void);
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extern void rfapiRibShowResponses(void *stream, struct prefix *pfx_match,
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int show_removed);
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extern int rfapiRibFTDFilterRecentPrefix(
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struct rfapi_descriptor *rfd,
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struct agg_node *it_rn, /* import table node */
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struct prefix *pfx_target_original); /* query target */
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extern void rfapiFreeRfapiUnOptionChain(struct rfapi_un_option *p);
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extern void rfapiFreeRfapiVnOptionChain(struct rfapi_vn_option *p);
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extern void
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rfapiRibCheckCounts(int checkstats, /* validate rfd & global counts */
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unsigned int offset); /* number of ri's held separately */
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/* enable for debugging; disable for performance */
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#if 0
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#define RFAPI_RIB_CHECK_COUNTS(checkstats, offset) rfapiRibCheckCounts(checkstats, offset)
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#else
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#define RFAPI_RIB_CHECK_COUNTS(checkstats, offset)
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#endif
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extern void rfapi_rib_key_init(struct prefix *prefix, /* may be NULL */
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struct prefix_rd *rd, /* may be NULL */
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struct prefix *aux, /* may be NULL */
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struct rfapi_rib_key *rk);
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extern int rfapi_rib_key_cmp(const void *k1, const void *k2);
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extern void rfapiAdbFree(struct rfapi_adb *adb);
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#endif /* QUAGGA_HGP_RFAPI_RIB_H */
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