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When a *,G report is sent, the RPT and WC bits are set as well as the source is the RP address for the group. If this routers idea of the RP for this group is different than the idea of the RP from the sender than that particular *,G can be dropped. Ticket: CM-12031 Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
61 lines
1.8 KiB
C
61 lines
1.8 KiB
C
/*
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PIM for Quagga
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Copyright (C) 2008 Everton da Silva Marques
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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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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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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 PIM_MSG_H
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#define PIM_MSG_H
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#include <netinet/in.h>
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/*
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Number Description
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---------- ------------------
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0 Reserved
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1 IP (IP version 4)
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2 IP6 (IP version 6)
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From:
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http://www.iana.org/assignments/address-family-numbers
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*/
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#define PIM_MSG_ADDRESS_FAMILY_IPV4 (1)
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void pim_msg_build_header(uint8_t *pim_msg, int pim_msg_size,
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uint8_t pim_msg_type);
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uint8_t *pim_msg_addr_encode_ipv4_ucast(uint8_t *buf,
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int buf_size,
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struct in_addr addr);
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uint8_t *pim_msg_addr_encode_ipv4_group(uint8_t *buf,
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int buf_size,
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struct in_addr addr);
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#define PIM_ENCODE_SPARSE_BIT 0x04
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#define PIM_ENCODE_WC_BIT 0x02
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#define PIM_ENCODE_RPT_BIT 0x01
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uint8_t *pim_msg_addr_encode_ipv4_source(uint8_t *buf,
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int buf_size,
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struct in_addr addr,
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uint8_t bits);
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int pim_msg_join_prune_encode (uint8_t *buf, int buf_size, int is_join,
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struct in_addr source, struct in_addr group,
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struct in_addr upstream, int holdtime);
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#endif /* PIM_MSG_H */
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