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fd563cc7f3
Provide a way for the data plane to indicate pseudowire status (such as: not forwarding, AC failure). On a data plane pseudowire install failure, data plane sets the pseudowire status. Zebra relays the pseudowire status to LDP. LDP includes the pseudowire status in the LDP notification to the LDP peer. Signed-off-by: Karen Schoener <karen@voltanet.io>
62 lines
1.6 KiB
C
62 lines
1.6 KiB
C
/* Pseudowire definitions
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* Copyright (C) 2016 Volta Networks, Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (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, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* 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
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* along with this program; see the file COPYING; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
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* MA 02110-1301 USA
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*/
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#ifndef _FRR_PW_H
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#define _FRR_PW_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* L2VPN name length. */
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#define L2VPN_NAME_LEN 32
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/* Pseudowire type - LDP and BGP use the same values. */
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#define PW_TYPE_ETHERNET_TAGGED 0x0004 /* RFC 4446 */
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#define PW_TYPE_ETHERNET 0x0005 /* RFC 4446 */
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#define PW_TYPE_WILDCARD 0x7FFF /* RFC 4863, RFC 6668 */
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/* Pseudowire flags. */
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#define F_PSEUDOWIRE_CWORD 0x01
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/* Pseudowire status TLV */
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#define PW_FORWARDING 0
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#define PW_NOT_FORWARDING (1 << 0)
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#define PW_LOCAL_RX_FAULT (1 << 1)
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#define PW_LOCAL_TX_FAULT (1 << 2)
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#define PW_PSN_RX_FAULT (1 << 3)
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#define PW_PSN_TX_FAULT (1 << 4)
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/*
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* Protocol-specific information about the pseudowire.
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*/
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union pw_protocol_fields {
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struct {
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struct in_addr lsr_id;
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uint32_t pwid;
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char vpn_name[L2VPN_NAME_LEN];
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} ldp;
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};
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#ifdef __cplusplus
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}
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#endif
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#endif /* _FRR_PW_H */
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