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Change unnamed ptp link description on OSPFv2.
Although it is a slight deviation from the standard, it has no ill consequences for OSPFv2 and the change fixes a compatibility issue with some broken implementations.
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@ -258,8 +258,17 @@ originate_rt_lsa_body(struct ospf_area *oa, u16 *length)
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ln = lsab_alloc(po, sizeof(struct ospf_lsa_rt_link));
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ln->type = LSART_PTP;
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ln->id = neigh->rid;
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ln->data = (ifa->addr->flags & IA_PEER) ?
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ifa->iface_id : ipa_to_u32(ifa->addr->ip);
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/*
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* ln->data should be ifa->iface_id in case of no/ptp
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* address (ifa->addr->flags & IA_PEER) on PTP link (see
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* RFC 2328 12.4.1.1.), but the iface ID value has no use,
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* while using IP address even in this case is here for
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* compatibility with some broken implementations that use
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* this address as a next-hop.
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*/
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ln->data = ipa_to_u32(ifa->addr->ip);
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ln->metric = ifa->cost;
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ln->padding = 0;
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i++;
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