dbdes indent an minor changes.
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85305e5d8f
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4 changed files with 288 additions and 285 deletions
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@ -9,7 +9,7 @@
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#include "ospf.h"
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/**
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* ospf_dbdes_tx - transmit database description packet
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* ospf_dbdes_send - transmit database description packet
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* @n: neighbor
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*
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* Sending of a database description packet is described in 10.6 of RFC 2328.
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@ -19,20 +19,19 @@
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* of the buffer.
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*/
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void
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ospf_dbdes_tx(struct ospf_neighbor *n)
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ospf_dbdes_send(struct ospf_neighbor *n)
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{
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struct ospf_dbdes_packet *pkt;
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struct ospf_packet *op;
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struct ospf_iface *ifa = n->ifa;
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struct ospf_area *oa = ifa->oa;
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u16 length;
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struct proto *p;
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struct proto *p = (struct proto *) (ifa->proto);
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u16 i, j;
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u8 *aa, *bb;
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if((oa->rt==NULL)||(EMPTY_LIST(oa->lsal))) originate_rt_lsa(oa);
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p=(struct proto *)(ifa->proto);
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if ((oa->rt == NULL) || (EMPTY_LIST(oa->lsal)))
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originate_rt_lsa(oa);
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switch (n->state)
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{
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@ -70,8 +69,7 @@ ospf_dbdes_tx(struct ospf_neighbor *n)
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pkt->options = ifa->options;
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pkt->ddseq = htonl(n->dds);
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j=i=(ifa->iface->mtu-sizeof(struct ospf_dbdes_packet)-SIPH)/
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sizeof(struct ospf_lsa_header); /* Number of possible lsaheaders to send */
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j = i = (ifa->iface->mtu - sizeof(struct ospf_dbdes_packet) - SIPH) / sizeof(struct ospf_lsa_header); /* Number of possible lsaheaders to send */
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lsa = (n->ldbdes + sizeof(struct ospf_dbdes_packet));
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if (n->myimms.bit.m)
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@ -104,7 +102,8 @@ ospf_dbdes_tx(struct ospf_neighbor *n)
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DBG("M bit unset.\n");
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n->myimms.bit.m = 0; /* Unset more bit */
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}
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else s_put(&(n->dbsi),sn);
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else
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s_put(&(n->dbsi), sn);
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}
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pkt->imms.byte = n->myimms.byte;
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@ -148,16 +147,15 @@ ospf_dbdes_tx(struct ospf_neighbor *n)
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}
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void
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ospf_dbdes_reqladd(struct ospf_dbdes_packet *ps, struct proto *p,
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struct ospf_neighbor *n)
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ospf_dbdes_reqladd(struct ospf_dbdes_packet *ps, struct ospf_neighbor *n)
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{
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struct ospf_lsa_header *plsa, lsa;
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struct top_hash_entry *he, *sn;
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struct top_graph *gr;
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struct top_graph *gr = n->ifa->oa->gr;
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struct ospf_packet *op;
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struct proto *p = (struct proto *) n->ifa->proto;
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int i, j;
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gr=n->ifa->oa->gr;
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op = (struct ospf_packet *) ps;
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plsa = (void *) (ps + 1);
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@ -183,20 +181,19 @@ ospf_dbdes_reqladd(struct ospf_dbdes_packet *ps, struct proto *p,
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}
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void
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ospf_dbdes_rx(struct ospf_dbdes_packet *ps, struct proto *p,
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ospf_dbdes_receive(struct ospf_dbdes_packet *ps,
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struct ospf_iface *ifa, u16 size)
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{
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u32 nrid, myrid;
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struct proto *p = (struct proto *) ifa->proto;
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u32 nrid, myrid = p->cf->global->router_id;
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struct ospf_neighbor *n;
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nrid = ntohl(((struct ospf_packet *) ps)->routerid);
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myrid=p->cf->global->router_id;
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if ((n = find_neigh(ifa, nrid)) == NULL)
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{
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OSPF_TRACE(D_PACKETS, "Received dbdes from unknown neigbor! %I.",
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nrid);
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OSPF_TRACE(D_PACKETS, "Received dbdes from unknown neigbor! %I.", nrid);
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return;
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}
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@ -219,11 +216,11 @@ ospf_dbdes_rx(struct ospf_dbdes_packet *ps, struct proto *p,
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break;
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case NEIGHBOR_INIT:
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ospf_neigh_sm(n, INM_2WAYREC);
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if(n->state!=NEIGHBOR_EXSTART) return;
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if (n->state != NEIGHBOR_EXSTART)
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return;
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case NEIGHBOR_EXSTART:
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if ((ps->imms.bit.m && ps->imms.bit.ms && ps->imms.bit.i)
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&& (n->rid > myrid) &&
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(size == sizeof(struct ospf_dbdes_packet)))
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&& (n->rid > myrid) && (size == sizeof(struct ospf_dbdes_packet)))
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{
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/* I'm slave! */
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n->dds = ntohl(ps->ddseq);
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@ -233,7 +230,7 @@ ospf_dbdes_rx(struct ospf_dbdes_packet *ps, struct proto *p,
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n->imms.byte = ps->imms.byte;
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OSPF_TRACE(D_PACKETS, "I'm slave to %I.", n->ip);
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ospf_neigh_sm(n, INM_NEGDONE);
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ospf_dbdes_tx(n);
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ospf_dbdes_send(n);
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break;
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}
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else
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@ -255,7 +252,8 @@ ospf_dbdes_rx(struct ospf_dbdes_packet *ps, struct proto *p,
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break;
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}
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}
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if(ps->imms.bit.i) break;
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if (ps->imms.bit.i)
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break;
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case NEIGHBOR_EXCHANGE:
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if ((ps->imms.byte == n->imms.byte) && (ps->options == n->options) &&
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(ntohl(ps->ddseq) == n->ddr))
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OSPF_TRACE(D_PACKETS, "Received duplicate dbdes from %I.", n->ip);
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if (n->imms.bit.ms == 0)
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{
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ospf_dbdes_tx(n);
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ospf_dbdes_send(n);
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}
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return;
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}
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@ -273,14 +271,16 @@ ospf_dbdes_rx(struct ospf_dbdes_packet *ps, struct proto *p,
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if (ps->imms.bit.ms != n->imms.bit.ms) /* M/S bit differs */
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{
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log("SEQMIS-BIT-MS\n");
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OSPF_TRACE(D_PACKETS, "dbdes - sequence mismatch neighbor %I (bit MS)",
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n->ip);
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ospf_neigh_sm(n, INM_SEQMIS);
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break;
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}
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if (ps->imms.bit.i) /* I bit is set */
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{
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log("SEQMIS-BIT-I\n");
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OSPF_TRACE(D_PACKETS, "dbdes - sequence mismatch neighbor %I (bit I)",
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n->ip);
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ospf_neigh_sm(n, INM_SEQMIS);
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break;
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}
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@ -289,7 +289,8 @@ ospf_dbdes_rx(struct ospf_dbdes_packet *ps, struct proto *p,
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if (ps->options != n->options) /* Options differs */
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{
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log("SEQMIS-OPT\n");
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OSPF_TRACE(D_PACKETS, "dbdes - sequence mismatch neighbor %I (options)",
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n->ip);
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ospf_neigh_sm(n, INM_SEQMIS);
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break;
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}
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{
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if (ntohl(ps->ddseq) != n->dds) /* MASTER */
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{
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log("SEQMIS-MASTER\n");
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OSPF_TRACE(D_PACKETS,
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"dbdes - sequence mismatch neighbor %I (master)", n->ip);
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ospf_neigh_sm(n, INM_SEQMIS);
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break;
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}
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n->dds++;
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DBG("Incrementing dds\n");
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ospf_dbdes_reqladd(ps,p,n);
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ospf_dbdes_reqladd(ps, n);
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if ((n->myimms.bit.m == 0) && (ps->imms.bit.m == 0))
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{
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ospf_neigh_sm(n, INM_EXDONE);
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}
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else
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{
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ospf_dbdes_tx(n);
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ospf_dbdes_send(n);
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}
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}
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{
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if (ntohl(ps->ddseq) != (n->dds + 1)) /* SLAVE */
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{
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log("SEQMIS-SLAVE\n");
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OSPF_TRACE(D_PACKETS, "dbdes - sequence mismatch neighbor %I (slave)",
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n->ip);
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ospf_neigh_sm(n, INM_SEQMIS);
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break;
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}
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n->ddr = ntohl(ps->ddseq);
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n->dds = ntohl(ps->ddseq);
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ospf_dbdes_reqladd(ps,p,n);
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ospf_dbdes_tx(n);
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ospf_dbdes_reqladd(ps, n);
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ospf_dbdes_send(n);
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}
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break;
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case NEIGHBOR_LOADING:
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case NEIGHBOR_FULL:
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if((ps->imms.byte==n->imms.byte) && (ps->options==n->options) &&
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(ntohl(ps->ddseq)==n->ddr)) /* Only duplicate are accepted */
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if ((ps->imms.byte == n->imms.byte) && (ps->options == n->options)
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&& (ntohl(ps->ddseq) == n->ddr))
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/* Only duplicate are accepted */
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{
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OSPF_TRACE(D_PACKETS, "Received duplicate dbdes from %I.", n->ip);
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return;
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}
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else
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{
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log("SEQMIS-FULL\n");
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OSPF_TRACE(D_PACKETS, "dbdes - sequence mismatch neighbor %I (full)",
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n->ip);
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ospf_neigh_sm(n, INM_SEQMIS);
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}
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break;
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defaut:
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bug("%s: Received dbdes from %I in undefined state.", p->name, n->ip);
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bug("Received dbdes from %I in undefined state.", n->ip);
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break;
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}
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}
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@ -1,7 +1,7 @@
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/*
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* BIRD -- OSPF
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*
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* (c) 1999 - 2000 Ondrej Filip <feela@network.cz>
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* (c) 1999 - 2004 Ondrej Filip <feela@network.cz>
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*
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* Can be freely distributed and used under the terms of the GNU GPL.
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*
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#ifndef _BIRD_OSPF_DBDES_H_
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#define _BIRD_OSPF_DBDES_H_
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void ospf_dbdes_tx(struct ospf_neighbor *n);
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void ospf_dbdes_rx(struct ospf_dbdes_packet *ps, struct proto *p,
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void ospf_dbdes_send(struct ospf_neighbor *n);
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void ospf_dbdes_receive(struct ospf_dbdes_packet *ps,
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struct ospf_iface *ifa, u16 size);
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#endif /* _BIRD_OSPF_DBDES_H_ */
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DBG("%s: RXMT timer fired on interface %s for neigh: %I.\n",
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p->name, ifa->iface->name, n->ip);
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if (n->state < NEIGHBOR_LOADING) ospf_dbdes_tx(n);
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if (n->state < NEIGHBOR_LOADING) ospf_dbdes_send(n);
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if(n->state < NEIGHBOR_FULL) ospf_lsreq_send(n);
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else
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@ -180,7 +180,7 @@ ospf_rx_hook (sock * sk, int size)
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break;
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case DBDES_P:
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DBG ("%s: Database description received.\n", p->name);
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ospf_dbdes_rx ((struct ospf_dbdes_packet *) ps, p, ifa, size);
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ospf_dbdes_receive ((struct ospf_dbdes_packet *) ps, ifa, size);
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break;
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case LSREQ_P:
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DBG ("%s: Link state request received.\n", p->name);
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