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Some bug fixes. LSA checksum is still bad. I'll fix it later.

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This commit is contained in:
Ondrej Filip 2000-03-31 01:14:41 +00:00
parent f45fd3164b
commit 9f940976d1
4 changed files with 29 additions and 12 deletions
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6
proto/ospf/lsreq.c
View file

@ -103,12 +103,12 @@ ospf_lsreq_rx(struct ospf_lsreq_packet *ps, struct proto *p,
for(i=0;i<(length-sizeof(struct ospf_lsreq_packet))/
sizeof(struct ospf_lsreq_header);i++);
{
DBG("Processing LSA: ID=%u, Type=%u, Router=%u\n", lsh->id,
ntohl(lsh->type), ntohl(lsh->rt));
DBG("Processing LSA: ID=%u, Type=%u, Router=%u\n", ntohl(lsh->id),
lsh->type, ntohl(lsh->rt));
llsh=sl_alloc(upslab);
llsh->lsh.id=ntohl(lsh->id);
llsh->lsh.rt=ntohl(lsh->rt);
llsh->lsh.type=ntohl(lsh->type);
llsh->lsh.type=lsh->type;
add_tail(&uplist, NODE llsh);
if(ospf_hash_find(n->ifa->oa->gr, llsh->lsh.id, llsh->lsh.rt,
llsh->lsh.type)==NULL)

25
proto/ospf/lsupd.c
View file

@ -24,12 +24,16 @@ ospf_lsupd_tx_list(struct ospf_neighbor *n, list *l)
struct ospf_lsupd_packet *pk;
struct ospf_packet *op;
void *pktpos;
u8 ii;
u8 *jj=n->ifa->ip_sk->tbuf;
if(HEAD(*l)==NULL) return;
pk=(struct ospf_lsupd_packet *)n->ifa->ip_sk->tbuf;
op=(struct ospf_packet *)n->ifa->ip_sk->tbuf;
DBG("LSupd: 1st packet\n");
fill_ospf_pkt_hdr(n->ifa, pk, LSUPD);
len=SIPH+sizeof(struct ospf_lsupd_packet);
lsano=0;
@ -38,13 +42,20 @@ ospf_lsupd_tx_list(struct ospf_neighbor *n, list *l)
WALK_LIST(llsh, *l)
{
en=ospf_hash_find(n->ifa->oa->gr,llsh->lsh.id,llsh->lsh.rt,llsh->lsh.type);
if((len+sizeof(struct ospf_lsa_header)+en->body_len)>n->ifa->iface->mtu)
DBG("Sending ID=%u, Type=%u, RT=%u\n", llsh->lsh.id, llsh->lsh.type,
llsh->lsh.rt);
if((len+sizeof(struct ospf_lsa_header)+en->lsa.length)>n->ifa->iface->mtu)
{
pk->lsano=htonl(lsano);
op->length=htons(len);
ospf_pkt_finalize(n->ifa, op);
for(ii=0;ii<(len-SIPH);ii+=4)
DBG("Out dump: %d,%d,%d,%d\n", *(jj+ii), *(jj+ii+1), *(jj+ii+2), *(jj+ii+3));
sk_send_to(n->ifa->ip_sk,len, n->ip, OSPF_PROTO);
DBG("LSupd: next packet\n");
fill_ospf_pkt_hdr(n->ifa, pk, LSUPD);
len=SIPH+sizeof(struct ospf_lsupd_packet);
lsano=0;
@ -53,13 +64,19 @@ ospf_lsupd_tx_list(struct ospf_neighbor *n, list *l)
htonlsah(&(en->lsa), pktpos);
pktpos=pktpos+sizeof(struct ospf_lsa_header);
htonlsab(en->lsa_body, pktpos, en->lsa.type, en->lsa.length);
pktpos=pktpos+en->body_len;
len=len+en->body_len+sizeof(struct ospf_lsa_header);
pktpos=pktpos+en->lsa.length-sizeof(struct ospf_lsa_header);
len=len+en->lsa.length;
lsano++;
}
pk->lsano=htonl(lsano);
op->length=htons(len);
op->length=htons(len-SIPH);
ospf_pkt_finalize(n->ifa, op);
for(ii=0;ii<(len-SIPH);ii+=4)
DBG("Out dump: %d,%d,%d,%d\n", *(jj+ii), *(jj+ii+1), *(jj+ii+2), *(jj+ii+3));
sk_send_to(n->ifa->ip_sk,len, n->ip, OSPF_PROTO);
DBG("LSupd: sent\n");
}
void

9
proto/ospf/topology.c
View file

@ -27,7 +27,8 @@ unsigned int
make_rt_lsa(struct ospf_area *oa, struct proto_ospf *p)
{
struct ospf_iface *ifa;
int i=0,j=0,k=0,v=0,e=0,b=0;
int j=0,k=0,v=0,e=0,b=0;
u16 i=0;
struct ospf_lsa_rt *rt;
struct ospf_lsa_rt_link *ln;
struct ospf_neighbor *neigh;
@ -147,7 +148,7 @@ make_rt_lsa(struct ospf_area *oa, struct proto_ospf *p)
rt->links=i;
if(old->lsa_body!=NULL) mb_free(old->lsa_body);
old->lsa_body=rt;
return rt->links*sizeof(struct ospf_lsa_rt_link)+sizeof(struct ospf_lsa_rt);
return i*sizeof(struct ospf_lsa_rt_link)+sizeof(struct ospf_lsa_rt);
}
@ -188,14 +189,14 @@ addifa_rtlsa(struct ospf_iface *ifa)
lsa=&(oa->rt->lsa);
oa->rt->lsa_body=NULL;
lsa->age=0;
lsa->sn=LSA_INITSEQNO-1; /* FIXME Check it latter */
lsa->sn=LSA_INITSEQNO; /* FIXME Check it latter */
lsa->checksum=0;
lsa->checksum=ipsum_calculate(lsa,sizeof(struct ospf_lsa_header),NULL);
ifa->oa=oa;
DBG("%s: New OSPF area \"%d\" added.\n", po->proto.name, ifa->an);
}
oa->rt->body_len=make_rt_lsa(oa, po);
oa->rt->lsa.length=make_rt_lsa(oa, po)+sizeof(struct ospf_lsa_header);
/*FIXME seq no++ */
/*FIXME lsa_flood(oa->rt) */
}

1
proto/ospf/topology.h
View file

@ -14,7 +14,6 @@ struct top_hash_entry { /* Index for fast mapping (type,rtrid,LSid)->vertex */
struct top_hash_entry *next; /* Next in hash chain */
struct ospf_lsa_header lsa;
void *lsa_body;
unsigned int body_len;
};
struct top_graph {