Some bug fixes. LSA checksum is still bad. I'll fix it later.
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f45fd3164b
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9f940976d1
4 changed files with 29 additions and 12 deletions
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@ -103,12 +103,12 @@ ospf_lsreq_rx(struct ospf_lsreq_packet *ps, struct proto *p,
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for(i=0;i<(length-sizeof(struct ospf_lsreq_packet))/
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sizeof(struct ospf_lsreq_header);i++);
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{
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DBG("Processing LSA: ID=%u, Type=%u, Router=%u\n", lsh->id,
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ntohl(lsh->type), ntohl(lsh->rt));
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DBG("Processing LSA: ID=%u, Type=%u, Router=%u\n", ntohl(lsh->id),
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lsh->type, ntohl(lsh->rt));
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llsh=sl_alloc(upslab);
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llsh->lsh.id=ntohl(lsh->id);
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llsh->lsh.rt=ntohl(lsh->rt);
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llsh->lsh.type=ntohl(lsh->type);
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llsh->lsh.type=lsh->type;
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add_tail(&uplist, NODE llsh);
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if(ospf_hash_find(n->ifa->oa->gr, llsh->lsh.id, llsh->lsh.rt,
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llsh->lsh.type)==NULL)
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@ -24,11 +24,15 @@ ospf_lsupd_tx_list(struct ospf_neighbor *n, list *l)
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struct ospf_lsupd_packet *pk;
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struct ospf_packet *op;
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void *pktpos;
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u8 ii;
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u8 *jj=n->ifa->ip_sk->tbuf;
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if(HEAD(*l)==NULL) return;
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pk=(struct ospf_lsupd_packet *)n->ifa->ip_sk->tbuf;
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op=(struct ospf_packet *)n->ifa->ip_sk->tbuf;
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DBG("LSupd: 1st packet\n");
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fill_ospf_pkt_hdr(n->ifa, pk, LSUPD);
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len=SIPH+sizeof(struct ospf_lsupd_packet);
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@ -38,13 +42,20 @@ ospf_lsupd_tx_list(struct ospf_neighbor *n, list *l)
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WALK_LIST(llsh, *l)
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{
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en=ospf_hash_find(n->ifa->oa->gr,llsh->lsh.id,llsh->lsh.rt,llsh->lsh.type);
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if((len+sizeof(struct ospf_lsa_header)+en->body_len)>n->ifa->iface->mtu)
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DBG("Sending ID=%u, Type=%u, RT=%u\n", llsh->lsh.id, llsh->lsh.type,
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llsh->lsh.rt);
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if((len+sizeof(struct ospf_lsa_header)+en->lsa.length)>n->ifa->iface->mtu)
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{
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pk->lsano=htonl(lsano);
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op->length=htons(len);
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ospf_pkt_finalize(n->ifa, op);
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for(ii=0;ii<(len-SIPH);ii+=4)
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DBG("Out dump: %d,%d,%d,%d\n", *(jj+ii), *(jj+ii+1), *(jj+ii+2), *(jj+ii+3));
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sk_send_to(n->ifa->ip_sk,len, n->ip, OSPF_PROTO);
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DBG("LSupd: next packet\n");
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fill_ospf_pkt_hdr(n->ifa, pk, LSUPD);
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len=SIPH+sizeof(struct ospf_lsupd_packet);
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lsano=0;
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@ -53,13 +64,19 @@ ospf_lsupd_tx_list(struct ospf_neighbor *n, list *l)
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htonlsah(&(en->lsa), pktpos);
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pktpos=pktpos+sizeof(struct ospf_lsa_header);
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htonlsab(en->lsa_body, pktpos, en->lsa.type, en->lsa.length);
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pktpos=pktpos+en->body_len;
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len=len+en->body_len+sizeof(struct ospf_lsa_header);
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pktpos=pktpos+en->lsa.length-sizeof(struct ospf_lsa_header);
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len=len+en->lsa.length;
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lsano++;
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}
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pk->lsano=htonl(lsano);
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op->length=htons(len);
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op->length=htons(len-SIPH);
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ospf_pkt_finalize(n->ifa, op);
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for(ii=0;ii<(len-SIPH);ii+=4)
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DBG("Out dump: %d,%d,%d,%d\n", *(jj+ii), *(jj+ii+1), *(jj+ii+2), *(jj+ii+3));
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sk_send_to(n->ifa->ip_sk,len, n->ip, OSPF_PROTO);
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DBG("LSupd: sent\n");
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}
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void
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@ -27,7 +27,8 @@ unsigned int
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make_rt_lsa(struct ospf_area *oa, struct proto_ospf *p)
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{
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struct ospf_iface *ifa;
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int i=0,j=0,k=0,v=0,e=0,b=0;
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int j=0,k=0,v=0,e=0,b=0;
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u16 i=0;
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struct ospf_lsa_rt *rt;
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struct ospf_lsa_rt_link *ln;
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struct ospf_neighbor *neigh;
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@ -147,7 +148,7 @@ make_rt_lsa(struct ospf_area *oa, struct proto_ospf *p)
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rt->links=i;
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if(old->lsa_body!=NULL) mb_free(old->lsa_body);
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old->lsa_body=rt;
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return rt->links*sizeof(struct ospf_lsa_rt_link)+sizeof(struct ospf_lsa_rt);
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return i*sizeof(struct ospf_lsa_rt_link)+sizeof(struct ospf_lsa_rt);
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}
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@ -188,14 +189,14 @@ addifa_rtlsa(struct ospf_iface *ifa)
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lsa=&(oa->rt->lsa);
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oa->rt->lsa_body=NULL;
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lsa->age=0;
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lsa->sn=LSA_INITSEQNO-1; /* FIXME Check it latter */
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lsa->sn=LSA_INITSEQNO; /* FIXME Check it latter */
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lsa->checksum=0;
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lsa->checksum=ipsum_calculate(lsa,sizeof(struct ospf_lsa_header),NULL);
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ifa->oa=oa;
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DBG("%s: New OSPF area \"%d\" added.\n", po->proto.name, ifa->an);
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}
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oa->rt->body_len=make_rt_lsa(oa, po);
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oa->rt->lsa.length=make_rt_lsa(oa, po)+sizeof(struct ospf_lsa_header);
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/*FIXME seq no++ */
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/*FIXME lsa_flood(oa->rt) */
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}
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@ -14,7 +14,6 @@ struct top_hash_entry { /* Index for fast mapping (type,rtrid,LSid)->vertex */
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struct top_hash_entry *next; /* Next in hash chain */
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struct ospf_lsa_header lsa;
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void *lsa_body;
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unsigned int body_len;
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};
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struct top_graph {
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