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https://gitlab.labs.nic.cz/labs/bird.git
synced 2024-05-11 16:54:54 +00:00
Originate default route into stub areas.
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@@ -441,6 +441,7 @@ originate_sum_lsa(struct ospf_area *oa, struct fib_node *fn, int type, int metri
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u32 rtid = po->proto.cf->global->router_id;
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struct ospf_lsa_header lsa;
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int i, max, mlen = fn->pxlen, free = 0;
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u32 freeid = 0xFFFF;
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struct ospf_lsa_sum *sum = NULL;
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union ospf_lsa_sum_tm *tm;
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lsa.type = LSA_T_SUM_NET;
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@@ -464,7 +465,11 @@ originate_sum_lsa(struct ospf_area *oa, struct fib_node *fn, int type, int metri
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lsa.id = ipa_to_u32(fn->prefix) + i;
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if ((en = ospf_hash_find_header(po->gr, oa->areaid, &lsa)) == NULL)
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{
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if (!free) free = lsa.id;
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if (!free)
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{
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freeid = lsa.id;
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free = 1;
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}
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}
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else
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{
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@@ -472,9 +477,10 @@ originate_sum_lsa(struct ospf_area *oa, struct fib_node *fn, int type, int metri
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if (mlen == ipa_mklen(sum->netmask))
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{
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tm = (union ospf_lsa_sum_tm *) (sum + 1);
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if (tm->metric == (unsigned)metric) return; /* No reason for origination */
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if (tm->metric == (unsigned) metric) return; /* No reason for origination */
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lsa.sn = en->lsa.sn + 1;
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free = en->lsa.id;
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freeid = en->lsa.id;
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free = 1;
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break;
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}
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}
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@@ -486,7 +492,7 @@ originate_sum_lsa(struct ospf_area *oa, struct fib_node *fn, int type, int metri
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fn->pxlen, max);
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return;
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}
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lsa.id = free;
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lsa.id = freeid;
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OSPF_TRACE(D_EVENTS, "Originating summary (type %d) lsa for %I/%d (met %d).", lsa.type, fn->prefix,
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fn->pxlen, metric);
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@@ -537,10 +543,11 @@ check_sum_lsa(struct proto_ospf *po, ort *nf, int dest)
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}
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else flush = 1;
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if ((dest == ORT_ROUTER) && oa->stub)
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/* Don't send summary into stub areas
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* We send just default route (and later) */
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if (oa->stub)
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flush = 1;
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/* FIXME stub for networks? */
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mlen = nf->fn.pxlen;
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ip = ipa_and(nf->fn.prefix, ipa_mkmask(mlen));
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