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lib: BGP registration with IGP for BGP ORR rSPF calc

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Signed-off-by: Madhuri Kuruganti <maduri111@gmail.com>
This commit is contained in:
Madhuri Kuruganti 2022-09-04 17:26:11 +05:30
parent 69c736ec06
commit a5dd4bf47d
4 changed files with 95 additions and 0 deletions
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1
lib/command.h
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@ -417,6 +417,7 @@ struct cmd_node {
#define BGP_SOFT_IN_STR "Send route-refresh unless using 'soft-reconfiguration inbound'\n"
#define BGP_SOFT_OUT_STR "Resend all outbound updates\n"
#define BGP_SOFT_RSCLIENT_RIB_STR "Soft reconfig for rsclient RIB\n"
#define BGP_ORR_DEBUG "Enable Optimal Route Reflection Debugging logs\n"
#define OSPF_STR "OSPF information\n"
#define NEIGHBOR_STR "Specify neighbor router\n"
#define DEBUG_STR "Debugging functions\n"

87
lib/orr_msg.h Normal file
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@ -0,0 +1,87 @@
/*
* Structures common to BGP, OSPF and ISIS for BGP Optimal Route Reflection
* Copyright (C) 2021 Samsung R&D Institute India - Bangalore.
* Madhurilatha Kuruganti
*
* 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
*/
#ifndef _FRR_ORR_MSG_H
#define _FRR_ORR_MSG_H
#ifdef __cplusplus
extern "C" {
#endif
/* REVISIT: Need to check if we can use zero length array */
#define ORR_MAX_PREFIX 100
struct orr_prefix_metric {
struct prefix prefix;
uint32_t metric;
};
/* BGP-IGP Register for IGP metric */
struct orr_igp_metric_reg {
bool reg;
uint8_t proto;
safi_t safi;
struct prefix prefix;
};
/* IGP-BGP message structures */
struct orr_igp_metric_info {
/* IGP instance data. */
uint8_t proto;
uint32_t instId;
safi_t safi;
/* IGP metric from Active Root. */
struct prefix root;
uint32_t num_entries;
struct orr_prefix_metric nexthop[ORR_MAX_PREFIX];
};
/* BGP ORR Root node */
struct orr_root {
afi_t afi;
safi_t safi;
/* MPLS_TE prefix and router ID */
struct prefix prefix;
struct in_addr router_id;
/* Advertising OSPF Router ID. */
struct in_addr adv_router;
/* BGP-ORR Received LSAs */
struct ospf_lsa *router_lsa_rcvd;
/* Routing tables from root node */
struct route_table *old_table; /* Old routing table. */
struct route_table *new_table; /* Current routing table. */
struct route_table *old_rtrs; /* Old ABR/ASBR RT. */
struct route_table *new_rtrs; /* New ABR/ASBR RT. */
};
/* Prototypes. */
#ifdef __cplusplus
}
#endif
#endif /* _FRR_ORR_MSG_H */

1
lib/subdir.am
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@ -245,6 +245,7 @@ pkginclude_HEADERS += \
lib/ns.h \
lib/openbsd-queue.h \
lib/openbsd-tree.h \
lib/orr_msg.h \
lib/plist.h \
lib/prefix.h \
lib/printfrr.h \

6
lib/zclient.h
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@ -100,6 +100,8 @@ enum zserv_client_capabilities {
extern struct sockaddr_storage zclient_addr;
extern socklen_t zclient_addr_len;
#define ZAPI_ORR_FLAG_UNICAST 0x01
/* Zebra message types. */
typedef enum {
ZEBRA_INTERFACE_ADD,
@ -1229,6 +1231,10 @@ enum zapi_opaque_registry {
LDP_RLFA_UNREGISTER_ALL = 8,
/* Announce LDP labels associated to a previously registered RLFA */
LDP_RLFA_LABELS = 9,
/* Register for IGP METRIC with OSPF/ISIS */
ORR_IGP_METRIC_REGISTER = 10,
/* Send SPF data to BGP */
ORR_IGP_METRIC_UPDATE = 11
};
/* Send the hello message.