Jerry/bird
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

Bugfix in NET LSA flushing.

Browse source 
Configuration now works! :-)
Better "show ospf"
Some minor bugfixes.
This commit is contained in:
Ondrej Filip 2000-06-05 20:57:53 +00:00
parent f1aa23d4b3
commit 3b580a23ad
4 changed files with 202 additions and 221 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

179
proto/ospf/iface.c
View file

@ -64,13 +64,13 @@ iface_chstate(struct ospf_iface *ifa, u8 state)
ifa->dr_sk=NULL; ifa->dr_sk=NULL;
} }
} }
if(oldstate==OSPF_IS_DR) if((oldstate==OSPF_IS_DR)&&(ifa->nlsa!=NULL))
{ {
ifa->nlsa->lsa.age=LSA_MAXAGE;
if(state>=OSPF_IS_WAITING) if(state>=OSPF_IS_WAITING)
{ {
net_flush_lsa(ifa->nlsa,po,ifa->oa); net_flush_lsa(ifa->nlsa,po,ifa->oa);
} }
ifa->nlsa->lsa.age=LSA_MAXAGE;
if(can_flush_lsa(ifa->oa)) flush_lsa(ifa->nlsa,ifa->oa); if(can_flush_lsa(ifa->oa)) flush_lsa(ifa->nlsa,ifa->oa);
ifa->nlsa=NULL; ifa->nlsa=NULL;
} }
@ -250,25 +250,10 @@ ospf_open_ip_socket(struct ospf_iface *ifa)
return(ipsk); return(ipsk);
} }
/*
* This will later decide, wheter use iface for OSPF or not
* depending on config
*/
u8
is_good_iface(struct proto *p, struct iface *iface)
{
if(iface->flags & IF_UP)
{
if(!(iface->flags & IF_IGNORE)) return 1;
}
return 0;
}
/* Of course, it's NOT true now */ /* Of course, it's NOT true now */
u8 u8
ospf_iface_clasify(struct iface *ifa, struct proto *p) ospf_iface_clasify(struct iface *ifa, struct proto *p)
{ {
/* FIXME: Latter I'll use config - this is incorrect */
DBG("%s: Iface flags=%x.\n", p->name, ifa->flags); DBG("%s: Iface flags=%x.\n", p->name, ifa->flags);
if((ifa->flags & (IF_MULTIACCESS|IF_MULTICAST))== if((ifa->flags & (IF_MULTIACCESS|IF_MULTICAST))==
(IF_MULTIACCESS|IF_MULTICAST)) (IF_MULTIACCESS|IF_MULTICAST))
@ -286,55 +271,6 @@ ospf_iface_clasify(struct iface *ifa, struct proto *p)
return OSPF_IT_PTP; return OSPF_IT_PTP;
} }
void
ospf_add_timers(struct ospf_iface *ifa, pool *pool)
{
struct proto *p;
p=(struct proto *)(ifa->proto);
/* Add hello timer */
ifa->hello_timer=tm_new(pool);
ifa->hello_timer->data=ifa;
ifa->hello_timer->randomize=0;
if(ifa->helloint==0) ifa->helloint=HELLOINT_D;
ifa->hello_timer->hook=hello_timer_hook;
ifa->hello_timer->recurrent=ifa->helloint;
DBG("%s: Installing hello timer. (%u)\n", p->name, ifa->helloint);
ifa->wait_timer=tm_new(pool);
ifa->wait_timer->data=ifa;
ifa->wait_timer->randomize=0;
ifa->wait_timer->hook=wait_timer_hook;
ifa->wait_timer->recurrent=0;
if(ifa->waitint==0) ifa->waitint= WAIT_DMH*ifa->helloint;
DBG("%s: Installing wait timer. (%u)\n", p->name, ifa->waitint);
if(ifa->rxmtint==0) ifa->rxmtint=RXMTINT_D;
}
void
ospf_iface_default(struct ospf_iface *ifa)
{
u8 i;
ifa->oa=NULL;
ifa->an=0; /* FIXME This should respect config */
ifa->cost=COST_D;
ifa->rxmtint=RXMTINT_D;
ifa->inftransdelay=INFTRANSDELAY_D;
ifa->priority=PRIORITY_D;
ifa->helloint=HELLOINT_D;
ifa->deadc=DEADC_D;
ifa->autype=0;
for(i=0;i<8;i++) ifa->aukey[i]=0;
ifa->options=2;
ifa->drip=ipa_from_u32(0x00000000);
ifa->drid=0;
ifa->bdrip=ipa_from_u32(0x00000000);
ifa->bdrid=0;
ifa->type=ospf_iface_clasify(ifa->iface, (struct proto *)ifa->proto);
}
struct ospf_iface* struct ospf_iface*
find_iface(struct proto_ospf *p, struct iface *what) find_iface(struct proto_ospf *p, struct iface *what)
{ {
@ -351,54 +287,87 @@ ospf_if_notify(struct proto *p, unsigned flags, struct iface *iface)
{ {
struct ospf_iface *ifa; struct ospf_iface *ifa;
sock *mcsk; sock *mcsk;
struct ospf_config *c=(struct ospf_config *)(p->cf);
struct ospf_config *c; struct ospf_area_config *ac;
c=(struct ospf_config *)(p->cf); struct ospf_iface_patt *ip=NULL;
u8 i;
DBG("%s: If notify called\n", p->name); DBG("%s: If notify called\n", p->name);
if (iface->flags & IF_IGNORE) if (iface->flags & IF_IGNORE)
return; return;
if((flags & IF_CHANGE_UP) && is_good_iface(p, iface)) if(flags & IF_CHANGE_UP)
{ {
debug("%s: using interface %s.\n", p->name, iface->name); debug("%s: using interface %s.\n", p->name, iface->name);
/* FIXME: Latter I'll use config - this is incorrect */ WALK_LIST(ac, c->area_list)
ifa=mb_allocz(p->pool, sizeof(struct ospf_iface));
ifa->proto=(struct proto_ospf *)p;
ifa->iface=iface;
ospf_iface_default(ifa);
if(ifa->type!=OSPF_IT_NBMA)
{ {
if((ifa->hello_sk=ospf_open_mc_socket(ifa))==NULL) if(ip=(struct ospf_iface_patt *)
{ iface_patt_match(&ac->patt_list, iface)) break;
log("%s: Huh? could not open mc socket on interface %s?", p->name, }
iface->name);
mb_free(ifa); if(ip)
log("%s: Ignoring this interface.", p->name); {
return; ifa=mb_allocz(p->pool, sizeof(struct ospf_iface));
} ifa->proto=(struct proto_ospf *)p;
ifa->dr_sk=NULL; ifa->iface=iface;
if((ifa->ip_sk=ospf_open_ip_socket(ifa))==NULL) ifa->an=ac->areaid; /* FIXME This should respect config */
{ ifa->cost=ip->cost;
log("%s: Huh? could not open ip socket on interface %s?", p->name, ifa->rxmtint=ip->rxmtint;
iface->name); ifa->inftransdelay=ip->inftransdelay;
mb_free(ifa); ifa->priority=ip->priority;
log("%s: Ignoring this interface", p->name); ifa->helloint=ip->helloint;
return; ifa->waitint=ip->waitint;
} ifa->deadc=ip->deadc;
ifa->autype=0; /* FIXME add authentification */
init_list(&(ifa->neigh_list)); for(i=0;i<8;i++) ifa->aukey[i]=0;
ifa->options=2; /* FIXME what options? */
if(ip->type=OSPF_IT_UNDEF)
ifa->type=ospf_iface_clasify(ifa->iface, (struct proto *)ifa->proto);
else ifa->type=ip->type;
if(ifa->type!=OSPF_IT_NBMA)
{
if((ifa->hello_sk=ospf_open_mc_socket(ifa))==NULL)
{
log("%s: Huh? could not open mc socket on interface %s?", p->name,
iface->name);
mb_free(ifa);
log("%s: Ignoring this interface.", p->name);
return;
}
ifa->dr_sk=NULL;
if((ifa->ip_sk=ospf_open_ip_socket(ifa))==NULL)
{
log("%s: Huh? could not open ip socket on interface %s?", p->name,
iface->name);
mb_free(ifa);
log("%s: Ignoring this interface", p->name);
return;
}
init_list(&(ifa->neigh_list));
}
/* Add hello timer */
ifa->hello_timer=tm_new(p->pool);
ifa->hello_timer->data=ifa;
ifa->hello_timer->randomize=0;
ifa->hello_timer->hook=hello_timer_hook;
ifa->hello_timer->recurrent=ifa->helloint;
DBG("%s: Installing hello timer. (%u)\n", p->name, ifa->helloint);
ifa->wait_timer=tm_new(p->pool);
ifa->wait_timer->data=ifa;
ifa->wait_timer->randomize=0;
ifa->wait_timer->hook=wait_timer_hook;
ifa->wait_timer->recurrent=0;
DBG("%s: Installing wait timer. (%u)\n", p->name, ifa->waitint);
add_tail(&((struct proto_ospf *)p)->iface_list, NODE ifa);
ifa->state=OSPF_IS_DOWN;
ospf_int_sm(ifa, ISM_UP);
} }
/* FIXME: This should read config */
ifa->helloint=0;
ifa->waitint=0;
ospf_add_timers(ifa,p->pool);
add_tail(&((struct proto_ospf *)p)->iface_list, NODE ifa);
ifa->state=OSPF_IS_DOWN;
ifa->nlsa=NULL;
ifa->fadj=0;
ospf_int_sm(ifa, ISM_UP);
} }
if(flags & IF_CHANGE_DOWN) if(flags & IF_CHANGE_DOWN)

18
proto/ospf/ospf.c
View file

@ -75,14 +75,6 @@ ospf_init(struct proto_config *c)
p->rte_same = ospf_rte_same; p->rte_same = ospf_rte_same;
po->rfc1583=oc->rfc1583; po->rfc1583=oc->rfc1583;
WALK_LIST(ac, oc->area_list)
{
debug("OSPF: area: %I, stub=%u tick=%u\n", ac->areaid, ac->stub, ac->tick);
WALK_LIST(patt, ac->patt_list)
debug("Patt cost=%d hello=%d ret=%d\n",patt->cost, patt->helloint,
patt->rxmtint);
}
return p; return p;
} }
@ -425,10 +417,12 @@ ospf_sh(struct proto *p)
if(n->state==NEIGHBOR_FULL) adjno++; if(n->state==NEIGHBOR_FULL) adjno++;
} }
} }
cli_msg(-1014,"\t\tNumber of interfaces: %u", ifano); cli_msg(-1014,"\t\tStub:\t%s", oa->stub ? "Yes" : "No");
cli_msg(-1014,"\t\tNumber of LSAs: %u", oa->gr->hash_entries); cli_msg(-1014,"\t\tRT scheduler tick:\t%u", oa->tick);
cli_msg(-1014,"\t\tNumber of neighbors: %u", nno); cli_msg(-1014,"\t\tNumber of interfaces:\t%u", ifano);
cli_msg(-1014,"\t\tNumber of fully adjacent neighbors: %u", adjno); cli_msg(-1014,"\t\tNumber of LSAs in DB:\t%u", oa->gr->hash_entries);
cli_msg(-1014,"\t\tNumber of neighbors:\t%u", nno);
cli_msg(-1014,"\t\tNumber of adjacent neighbors:\t%u", adjno);
} }
cli_msg(0,""); cli_msg(0,"");
} }

2
proto/ospf/ospf.h
View file

@ -114,7 +114,6 @@ struct ospf_iface {
*/ */
struct top_hash_entry *nlsa; /* Originated net lsa */ struct top_hash_entry *nlsa; /* Originated net lsa */
int fadj; /* Number of full adjacent neigh */ int fadj; /* Number of full adjacent neigh */
unsigned tick;
}; };
struct ospf_packet { struct ospf_packet {
@ -348,6 +347,7 @@ struct ospf_area {
int trcap; /* Transit capability? */ int trcap; /* Transit capability? */
struct proto_ospf *po; struct proto_ospf *po;
struct fib infib; /* FIB for intra-area routes */ struct fib infib; /* FIB for intra-area routes */
unsigned tick;
}; };
struct proto_ospf { struct proto_ospf {

224
proto/ospf/topology.c
View file

@ -51,97 +51,96 @@ originate_rt_lsa_body(struct ospf_area *oa, u16 *length, struct proto_ospf *p)
WALK_LIST (ifa, p->iface_list) WALK_LIST (ifa, p->iface_list)
{ {
if((ifa->an==oa->areaid) && (ifa->state!=OSPF_IS_DOWN)) if((ifa->an!=oa->areaid) || (ifa->state==OSPF_IS_DOWN)) continue;
if(ifa->state==OSPF_IS_LOOP)
{ {
if(ifa->state==OSPF_IS_LOOP) ln->type=3;
ln->id=ipa_to_u32(ifa->iface->addr->ip);
ln->data=0xffffffff;
ln->metric=0;
ln->notos=0;
}
else
{
switch(ifa->type)
{ {
ln->type=3; case OSPF_IT_PTP: /* rfc2328 - pg126 */
ln->id=ipa_to_u32(ifa->iface->addr->ip); neigh=(struct ospf_neighbor *)HEAD(ifa->neigh_list);
ln->data=0xffffffff; if((!EMPTY_LIST(ifa->neigh_list)) && (neigh->state==NEIGHBOR_FULL))
ln->metric=0; {
ln->notos=0; ln->type=LSART_PTP;
} ln->id=neigh->rid;
else ln->metric=ifa->cost;
{ ln->notos=0;
switch(ifa->type) if(ifa->iface->flags && IA_UNNUMBERED)
{ {
case OSPF_IT_PTP: /* rfc2328 - pg126 */ ln->data=ifa->iface->index;
neigh=(struct ospf_neighbor *)HEAD(ifa->neigh_list); }
if((!EMPTY_LIST(ifa->neigh_list)) && (neigh->state==NEIGHBOR_FULL)) else
{ {
ln->type=LSART_PTP; ln->id=ipa_to_u32(ifa->iface->addr->ip);
ln->id=neigh->rid; }
ln->metric=ifa->cost; }
ln->notos=0; else
if(ifa->iface->flags && IA_UNNUMBERED) {
{ if(ifa->state==OSPF_IS_PTP)
ln->data=ifa->iface->index;
}
else
{
ln->id=ipa_to_u32(ifa->iface->addr->ip);
}
}
else
{
if(ifa->state==OSPF_IS_PTP)
{
ln->type=LSART_STUB;
ln->id=ln->id=ipa_to_u32(ifa->iface->addr->opposite);
ln->metric=ifa->cost;
ln->notos=0;
ln->data=0xffffffff;
}
else
{
i--; /* No link added */
}
}
break;
case OSPF_IT_BCAST:
case OSPF_IT_NBMA:
if(ifa->state==OSPF_IS_WAITING)
{ {
ln->type=LSART_STUB; ln->type=LSART_STUB;
ln->id=ipa_to_u32(ifa->iface->addr->prefix); ln->id=ln->id=ipa_to_u32(ifa->iface->addr->opposite);
ln->data=ipa_to_u32(ipa_mkmask(ifa->iface->addr->pxlen)); ln->metric=ifa->cost;
ln->notos=0;
ln->data=0xffffffff;
}
else
{
i--; /* No link added */
}
}
break;
case OSPF_IT_BCAST:
case OSPF_IT_NBMA:
if(ifa->state==OSPF_IS_WAITING)
{
ln->type=LSART_STUB;
ln->id=ipa_to_u32(ifa->iface->addr->prefix);
ln->data=ipa_to_u32(ipa_mkmask(ifa->iface->addr->pxlen));
ln->metric=ifa->cost;
ln->notos=0;
}
else
{
j=0,k=0;
WALK_LIST(neigh, ifa->neigh_list)
{
if((neigh->rid==ifa->drid) &&
(neigh->state==NEIGHBOR_FULL)) k=1;
if(neigh->state==NEIGHBOR_FULL) j=1;
}
if(((ifa->state==OSPF_IS_DR) && (j==1)) || (k==1))
{
ln->type=LSART_NET;
ln->id=ipa_to_u32(ifa->drip);
ln->data=ipa_to_u32(ifa->iface->addr->ip);
ln->metric=ifa->cost; ln->metric=ifa->cost;
ln->notos=0; ln->notos=0;
} }
else else
{ {
j=0,k=0; ln->type=LSART_STUB;
WALK_LIST(neigh, ifa->neigh_list) ln->id=ipa_to_u32(ifa->iface->addr->prefix);
{ ln->data=ipa_to_u32(ipa_mkmask(ifa->iface->addr->pxlen));
if((neigh->rid==ifa->drid) && ln->metric=ifa->cost;
(neigh->state==NEIGHBOR_FULL)) k=1; ln->notos=0;
if(neigh->state==NEIGHBOR_FULL) j=1;
}
if(((ifa->state==OSPF_IS_DR) && (j==1)) || (k==1))
{
ln->type=LSART_NET;
ln->id=ipa_to_u32(ifa->drip);
ln->data=ipa_to_u32(ifa->iface->addr->ip);
ln->metric=ifa->cost;
ln->notos=0;
}
else
{
ln->type=LSART_STUB;
ln->id=ipa_to_u32(ifa->iface->addr->prefix);
ln->data=ipa_to_u32(ipa_mkmask(ifa->iface->addr->pxlen));
ln->metric=ifa->cost;
ln->notos=0;
}
} }
break; }
case OSPF_IT_VLINK: /* FIXME Add virtual links! */ break;
i--; case OSPF_IT_VLINK: /* FIXME Add virtual links! */
break; i--;
} break;
} }
if(ifa->type==OSPF_IT_VLINK) v=1;
} }
if(ifa->type==OSPF_IT_VLINK) v=1;
ln=(ln+1); ln=(ln+1);
} }
rt->links=i; rt->links=i;
@ -155,11 +154,13 @@ addifa_rtlsa(struct ospf_iface *ifa)
{ {
struct ospf_area *oa; struct ospf_area *oa;
struct proto_ospf *po=ifa->proto; struct proto_ospf *po=ifa->proto;
struct proto *p=&po->proto;
u32 rtid; u32 rtid;
struct top_graph_rtlsa_link *li, *lih; struct top_graph_rtlsa_link *li, *lih;
struct ospf_config *c=(struct ospf_config *)(p->cf);
struct ospf_area_config *ac=NULL,*a;
rtid=po->proto.cf->global->router_id; rtid=po->proto.cf->global->router_id;
DBG("%s: New OSPF area \"%d\" adding.\n", po->proto.name, ifa->an);
oa=NULL; oa=NULL;
@ -171,29 +172,46 @@ addifa_rtlsa(struct ospf_iface *ifa)
if(EMPTY_LIST(po->area_list) || (oa->areaid!=ifa->an)) /* New area */ if(EMPTY_LIST(po->area_list) || (oa->areaid!=ifa->an)) /* New area */
{ {
struct ospf_lsa_header *lsa; struct ospf_lsa_header *lsa;
DBG("%s: New OSPF area \"%d\" adding.\n", po->proto.name, ifa->an);
WALK_LIST(a,c->area_list)
{
if(a->areaid==ifa->an)
{
ac=a;
break;
}
}
oa=mb_allocz(po->proto.pool, sizeof(struct ospf_area)); if(ac)
add_tail(&po->area_list,NODE oa); {
oa->areaid=ifa->an; oa=mb_allocz(po->proto.pool, sizeof(struct ospf_area));
oa->gr=ospf_top_new(po); add_tail(&po->area_list,NODE oa);
s_init_list(&(oa->lsal)); oa->areaid=ifa->an;
oa->rt=NULL; oa->stub=ac->stub;
oa->po=po; oa->tick=ac->tick;
oa->disp_timer=tm_new(po->proto.pool); oa->gr=ospf_top_new(po);
oa->disp_timer->data=oa; s_init_list(&(oa->lsal));
oa->disp_timer->randomize=0; oa->rt=NULL;
oa->disp_timer->hook=area_disp; oa->po=po;
oa->disp_timer->recurrent=DISPTICK; oa->disp_timer=tm_new(po->proto.pool);
oa->lage=now; oa->disp_timer->data=oa;
tm_start(oa->disp_timer,DISPTICK); oa->disp_timer->randomize=0;
oa->calcrt=1; oa->disp_timer->hook=area_disp;
oa->origrt=0; oa->disp_timer->recurrent=oa->tick;
fib_init(&oa->infib,po->proto.pool,sizeof(struct infib),16,init_infib); oa->lage=now;
/* FIXME 16?? (Oh, sweet 16.... :-) */ tm_start(oa->disp_timer,oa->tick);
po->areano++; oa->calcrt=1;
DBG("%s: New OSPF area \"%d\" added.\n", po->proto.name, ifa->an); oa->origrt=0;
ifa->oa=oa; fib_init(&oa->infib,po->proto.pool,sizeof(struct infib),16,init_infib);
schedule_rt_lsa(oa); po->areano++;
DBG("%s: New OSPF area \"%d\" added.\n", po->proto.name, ifa->an);
ifa->oa=oa;
schedule_rt_lsa(oa);
}
else
{
bug("I didn't find area for interface.\n");
}
} }
else ifa->oa=oa; else ifa->oa=oa;
} }