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32 lines
825 B
C
32 lines
825 B
C
--- device-bsd44.c.orig 2017-06-29 04:32:29 UTC
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+++ device-bsd44.c
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@@ -126,7 +126,28 @@ ret:
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return -1;
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}
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-int setup_allrouters_membership(int sock, struct Interface *iface) { return 0; }
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+int setup_allrouters_membership(int sock, struct Interface *iface)
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+{
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+ struct ipv6_mreq mreq;
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+
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+ memset(&mreq, 0, sizeof(mreq));
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+ mreq.ipv6mr_interface = iface->props.if_index;
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+
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+ /* all-routers multicast address */
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+ if (inet_pton(AF_INET6, "ff02::2",
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+ &mreq.ipv6mr_multiaddr.s6_addr) != 1) {
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+ flog(LOG_ERR, "inet_pton failed");
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+ return (-1);
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+ }
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+
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+ if (setsockopt(sock, IPPROTO_IPV6, IPV6_JOIN_GROUP,
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+ &mreq, sizeof(mreq)) < 0) {
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+ flog(LOG_ERR, "can't join ipv6-allrouters on %s", iface->props.name);
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+ return (-1);
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+ }
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+
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+ return 0;
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+}
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int set_interface_linkmtu(const char *iface, uint32_t mtu)
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{
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