diff options
Diffstat (limited to 'proto/ospf')
-rw-r--r-- | proto/ospf/lsack.c | 159 | ||||
-rw-r--r-- | proto/ospf/lsack.h | 11 |
2 files changed, 84 insertions, 86 deletions
diff --git a/proto/ospf/lsack.c b/proto/ospf/lsack.c index ba9717bc..94f61d8e 100644 --- a/proto/ospf/lsack.c +++ b/proto/ospf/lsack.c @@ -8,24 +8,25 @@ #include "ospf.h" -char *s_queue[]={ "direct", "delayed" }; +char *s_queue[] = { "direct", "delayed" }; /* * ===================================== * Note, that h is in network endianity! * ===================================== */ + void -ospf_lsack_enqueue(struct ospf_neighbor *n,struct ospf_lsa_header *h, - struct proto *p, int queue) +ospf_lsack_enqueue(struct ospf_neighbor *n, struct ospf_lsa_header *h, + struct proto *p, int queue) { struct lsah_n *no; - no=mb_alloc(n->pool,sizeof(struct lsah_n)); - memcpy(&no->lsa,h,sizeof(struct ospf_lsa_header)); + no = mb_alloc(n->pool, sizeof(struct lsah_n)); + memcpy(&no->lsa, h, sizeof(struct ospf_lsa_header)); add_tail(&n->ackl[queue], NODE no); - DBG("Adding (%s) ack for %I, ID: %I, RT: %I, Type: %u\n", s_queue[queue], n->rid, - ntohl(h->id), ntohl(h->rt),h->type); + DBG("Adding (%s) ack for %I, ID: %I, RT: %I, Type: %u\n", s_queue[queue], + n->rid, ntohl(h->id), ntohl(h->rt), h->type); } void @@ -34,85 +35,76 @@ ospf_lsack_send(struct ospf_neighbor *n, int queue) struct ospf_packet *op; struct ospf_lsack_packet *pk; sock *sk; - u16 len,i=0; + u16 len, i = 0; struct ospf_lsa_header *h; struct lsah_n *no; - struct ospf_iface *ifa=n->ifa; - struct proto *p=&n->ifa->proto->proto; + struct ospf_iface *ifa = n->ifa; + struct proto *p = &n->ifa->proto->proto; - if(EMPTY_LIST(n->ackl[queue])) return; + if (EMPTY_LIST(n->ackl[queue])) + return; OSPF_TRACE(D_PACKETS, "LS ack sent to %I (%s)", n->ip, s_queue[queue]); - if(ifa->type==OSPF_IT_BCAST) - { - sk=ifa->hello_sk; - } + if (ifa->type == OSPF_IT_BCAST) + sk = ifa->hello_sk; else - { - sk=ifa->ip_sk; - } + sk = ifa->ip_sk; - pk=(struct ospf_lsack_packet *)sk->tbuf; - op=(struct ospf_packet *)sk->tbuf; + pk = (struct ospf_lsack_packet *) sk->tbuf; + op = (struct ospf_packet *) sk->tbuf; fill_ospf_pkt_hdr(n->ifa, pk, LSACK_P); - h=(struct ospf_lsa_header *)(pk+1); + h = (struct ospf_lsa_header *) (pk + 1); - while(!EMPTY_LIST(n->ackl[queue])) + while (!EMPTY_LIST(n->ackl[queue])) { - no=(struct lsah_n *)HEAD(n->ackl[queue]); - memcpy(h+i,&no->lsa, sizeof(struct ospf_lsa_header)); + no = (struct lsah_n *) HEAD(n->ackl[queue]); + memcpy(h + i, &no->lsa, sizeof(struct ospf_lsa_header)); i++; - DBG("Iter %u ID: %I, RT: %I, Type: %u\n",i, ntohl((h+i)->id), - ntohl((h+i)->rt),(h+i)->type); + DBG("Iter %u ID: %I, RT: %I, Type: %u\n", i, ntohl((h + i)->id), + ntohl((h + i)->rt), (h + i)->type); rem_node(NODE no); mb_free(no); - if((i*sizeof(struct ospf_lsa_header)+sizeof(struct ospf_lsack_packet)+SIPH)> - n->ifa->iface->mtu) + if ((i * sizeof(struct ospf_lsa_header) + + sizeof(struct ospf_lsack_packet) + SIPH) > n->ifa->iface->mtu) { - if(!EMPTY_LIST(n->ackl[queue])) + if (!EMPTY_LIST(n->ackl[queue])) { - len=sizeof(struct ospf_lsack_packet)+i*sizeof(struct ospf_lsa_header); - op->length=htons(len); + len = + sizeof(struct ospf_lsack_packet) + + i * sizeof(struct ospf_lsa_header); + op->length = htons(len); ospf_pkt_finalize(n->ifa, op); - DBG("Sending and continuing! Len=%u\n",len); - if(ifa->type==OSPF_IT_BCAST) + DBG("Sending and continuing! Len=%u\n", len); + if (ifa->type == OSPF_IT_BCAST) { - if((ifa->state==OSPF_IS_DR)||(ifa->state==OSPF_IS_BACKUP)) - { - sk_send_to(sk ,len, AllSPFRouters, OSPF_PROTO); - } + if ((ifa->state == OSPF_IS_DR) || (ifa->state == OSPF_IS_BACKUP)) + sk_send_to(sk, len, AllSPFRouters, OSPF_PROTO); else - { - sk_send_to(sk ,len, AllDRouters, OSPF_PROTO); - } + sk_send_to(sk, len, AllDRouters, OSPF_PROTO); } else { - if((ifa->state==OSPF_IS_DR)||(ifa->state==OSPF_IS_BACKUP)) - { - sk_send_to_agt(sk, len, ifa, NEIGHBOR_EXCHANGE); - } + if ((ifa->state == OSPF_IS_DR) || (ifa->state == OSPF_IS_BACKUP)) + sk_send_to_agt(sk, len, ifa, NEIGHBOR_EXCHANGE); else - { - sk_send_to_bdr(sk, len, ifa); - } + sk_send_to_bdr(sk, len, ifa); } fill_ospf_pkt_hdr(n->ifa, pk, LSACK_P); - i=0; + i = 0; } } } - len=sizeof(struct ospf_lsack_packet)+i*sizeof(struct ospf_lsa_header); - op->length=htons(len); + len = sizeof(struct ospf_lsack_packet) + i * sizeof(struct ospf_lsa_header); + op->length = htons(len); ospf_pkt_finalize(n->ifa, op); - DBG("Sending! Len=%u\n",len); - if(ifa->type==OSPF_IT_BCAST) + DBG("Sending! Len=%u\n", len); + if (ifa->type == OSPF_IT_BCAST) { - if((ifa->state==OSPF_IS_DR)||(ifa->state==OSPF_IS_BACKUP)) + if ((ifa->state == OSPF_IS_DR) || (ifa->state == OSPF_IS_BACKUP)) { sk_send_to(sk, len, AllSPFRouters, OSPF_PROTO); } @@ -129,68 +121,71 @@ ospf_lsack_send(struct ospf_neighbor *n, int queue) void ospf_lsack_receive(struct ospf_lsack_packet *ps, struct proto *p, - struct ospf_iface *ifa, u16 size) + struct ospf_iface *ifa, u16 size) { u32 nrid, myrid; struct ospf_neighbor *n; - struct ospf_lsa_header lsa,*plsa; + struct ospf_lsa_header lsa, *plsa; int length; - u16 nolsa,i; + u16 nolsa, i; struct top_hash_entry *en; - u16 lenn=ntohs(ps->ospf_packet.length); + u16 lenn = ntohs(ps->ospf_packet.length); - nrid=ntohl(ps->ospf_packet.routerid); + nrid = ntohl(ps->ospf_packet.routerid); - myrid=p->cf->global->router_id; + myrid = p->cf->global->router_id; - if((n=find_neigh(ifa, nrid))==NULL) + if ((n = find_neigh(ifa, nrid)) == NULL) { - OSPF_TRACE(D_PACKETS, "Received LS ack from unknown neigbor! (%I)", - nrid); - return ; + OSPF_TRACE(D_PACKETS, "Received LS ack from unknown neigbor! (%I)", nrid); + return; } OSPF_TRACE(D_PACKETS, "Received LS ack from %I", n->ip); ospf_neigh_sm(n, INM_HELLOREC); - if(n->state<NEIGHBOR_EXCHANGE) return; + if (n->state < NEIGHBOR_EXCHANGE) + return; - nolsa=(lenn-sizeof(struct ospf_lsack_packet))/ + nolsa = (lenn - sizeof(struct ospf_lsack_packet)) / sizeof(struct ospf_lsa_header); - if((nolsa<1)||((lenn-sizeof(struct ospf_lsack_packet))!= - (nolsa*sizeof(struct ospf_lsa_header)))) + if ((nolsa < 1) || ((lenn - sizeof(struct ospf_lsack_packet)) != + (nolsa * sizeof(struct ospf_lsa_header)))) { log("%s: Received corrupted LS ack from %I", p->name, n->ip); return; } - plsa=(struct ospf_lsa_header *)(ps+1); + plsa = (struct ospf_lsa_header *) (ps + 1); - for(i=0;i<nolsa;i++) + for (i = 0; i < nolsa; i++) { - ntohlsah(plsa+i,&lsa); - if((en=ospf_hash_find_header(n->lsrth,&lsa))==NULL) continue; + ntohlsah(plsa + i, &lsa); + if ((en = ospf_hash_find_header(n->lsrth, &lsa)) == NULL) + continue; - if(lsa_comp(&lsa,&en->lsa)!=CMP_SAME) + if (lsa_comp(&lsa, &en->lsa) != CMP_SAME) { - if((lsa.sn==LSA_MAXSEQNO)&&(lsa.age==LSA_MAXAGE)) continue; + if ((lsa.sn == LSA_MAXSEQNO) && (lsa.age == LSA_MAXAGE)) + continue; - OSPF_TRACE(D_PACKETS, "Strange LS acknoledgement from %I",n->ip); + OSPF_TRACE(D_PACKETS, "Strange LS acknoledgement from %I", n->ip); OSPF_TRACE(D_PACKETS, "Id: %I, Rt: %I, Type: %u", - lsa.id,lsa.rt,lsa.type); + lsa.id, lsa.rt, lsa.type); OSPF_TRACE(D_PACKETS, "I have: Age: %4u, Seqno: 0x%08x, Sum: %u", - en->lsa.age, en->lsa.sn, en->lsa.checksum); + en->lsa.age, en->lsa.sn, en->lsa.checksum); OSPF_TRACE(D_PACKETS, "He has: Age: %4u, Seqno: 0x%08x, Sum: %u", - lsa.age,lsa.sn,lsa.checksum); + lsa.age, lsa.sn, lsa.checksum); continue; } DBG("Deleting LS Id: %I RT: %I Type: %u from LS Retl for neighbor %I\n", - lsa.id,lsa.rt,lsa.type,n->rid); + lsa.id, lsa.rt, lsa.type, n->rid); s_rem_node(SNODE en); - if(en->lsa_body!=NULL) mb_free(en->lsa_body); - en->lsa_body=NULL; - ospf_hash_delete(n->lsrth,en); - } + if (en->lsa_body != NULL) + mb_free(en->lsa_body); + en->lsa_body = NULL; + ospf_hash_delete(n->lsrth, en); + } } diff --git a/proto/ospf/lsack.h b/proto/ospf/lsack.h index 484c4345..d336d3ee 100644 --- a/proto/ospf/lsack.h +++ b/proto/ospf/lsack.h @@ -9,14 +9,17 @@ #ifndef _BIRD_OSPF_LSACK_H_ #define _BIRD_OSPF_LSACK_H_ -struct lsah_n { + +struct lsah_n +{ node n; struct ospf_lsa_header lsa; }; void ospf_lsack_receive(struct ospf_lsack_packet *ps, struct proto *p, - struct ospf_iface *ifa, u16 size); + struct ospf_iface *ifa, u16 size); void ospf_lsack_send(struct ospf_neighbor *n, int queue); -void ospf_lsack_enqueue(struct ospf_neighbor *n,struct ospf_lsa_header *h, - struct proto *p, int queue); +void ospf_lsack_enqueue(struct ospf_neighbor *n, struct ospf_lsa_header *h, + struct proto *p, int queue); + #endif /* _BIRD_OSPF_LSACK_H_ */ |