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Forwarding multicast is a pre-requisite for allowing multicast based routing protocols such as OSPF to work with DMVPN This code relies on externally adding iptables rule. For example: iptables -A OUTPUT -d 224.0.0.0/24 -o gre1 -j NFLOG --nflog-group 224 Signed-off-by: Reuben Dowle <reuben.dowle@4rf.com>
8 lines
318 B
C
8 lines
318 B
C
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int os_socket(void);
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int os_sendmsg(const uint8_t *buf, size_t len, int ifindex, const uint8_t *addr,
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size_t addrlen, uint16_t protocol);
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int os_recvmsg(uint8_t *buf, size_t *len, int *ifindex, uint8_t *addr,
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size_t *addrlen);
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int os_configure_dmvpn(unsigned int ifindex, const char *ifname, int af);
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