mirror of
https://gitlab.nic.cz/labs/bird.git
synced 2024-12-22 01:31:55 +00:00
Rip now has configurable per-interface metric (please rewiev), and few
more configurable parameters. To do that, union was added into iface_patt.
This commit is contained in:
Pavel Machek
parent
9b999c393c
commit
2d9290e973
@ -100,6 +100,11 @@ struct iface_patt {
|
||||
byte *pattern; /* Interface name pattern */
|
||||
|
||||
/* Protocol-specific data follow */
|
||||
union {
|
||||
struct {
|
||||
int metric;
|
||||
} rip;
|
||||
} u;
|
||||
};
|
||||
|
||||
struct iface_patt *iface_patt_match(list *, struct iface *);
|
||||
|
||||
@ -7,17 +7,23 @@
|
||||
CF_HDR
|
||||
|
||||
#include "proto/rip/rip.h"
|
||||
#include "nest/iface.h"
|
||||
|
||||
void rip_dev_add_iface(char *);
|
||||
struct iface_patt *rip_get_iface(void);
|
||||
|
||||
#define THIS_PROTO ((struct rip_proto *) this_proto)
|
||||
|
||||
CF_DECLS
|
||||
|
||||
CF_KEYWORDS(RIP, INFINITY)
|
||||
CF_KEYWORDS(RIP, INFINITY, METRIC, PORT, PERIOD, GARBAGETIME)
|
||||
|
||||
CF_GRAMMAR
|
||||
|
||||
CF_ADDTO(proto, rip_proto '}')
|
||||
|
||||
rip_proto_start: proto_start RIP {
|
||||
this_proto = proto_new(&proto_rip, sizeof(struct rip_data));
|
||||
this_proto = proto_new(&proto_rip, sizeof(struct rip_proto));
|
||||
rip_init_instance(this_proto);
|
||||
}
|
||||
;
|
||||
@ -25,12 +31,51 @@ rip_proto_start: proto_start RIP {
|
||||
rip_proto:
|
||||
rip_proto_start proto_name '{'
|
||||
| rip_proto proto_item ';'
|
||||
| rip_proto INFINITY expr ';' {
|
||||
if ($3 < 0 || $3 > 64) cf_error("Invalid infinity");
|
||||
((struct rip_data *) this_proto)->infinity = $3;
|
||||
}
|
||||
| rip_proto INFINITY expr ';' { THIS_PROTO->infinity = $3; }
|
||||
| rip_proto PORT expr ';' { THIS_PROTO->port = $3; }
|
||||
| rip_proto PERIOD expr ';' { THIS_PROTO->period = $3; }
|
||||
| rip_proto GARBAGETIME expr ';' { THIS_PROTO->garbage_time = $3; }
|
||||
| rip_proto rip_iface_list ';'
|
||||
;
|
||||
|
||||
rip_iface_item:
|
||||
| METRIC expr {
|
||||
struct iface_patt *k = rip_get_iface();
|
||||
k->u.rip.metric = $2;
|
||||
}
|
||||
;
|
||||
|
||||
rip_iface_opts:
|
||||
'{'
|
||||
| rip_iface_opts rip_iface_item ';'
|
||||
;
|
||||
|
||||
rip_iface_empty: /* EMPTY */ | rip_iface_opts '}' ;
|
||||
|
||||
rip_iface_list:
|
||||
INTERFACE TEXT rip_iface_empty { rip_dev_add_iface($2); }
|
||||
| dev_iface_list ',' TEXT rip_iface_empty { rip_dev_add_iface($3); }
|
||||
;
|
||||
|
||||
CF_CODE
|
||||
|
||||
void
|
||||
rip_dev_add_iface(char *n)
|
||||
{
|
||||
struct iface_patt *k = cfg_alloc(sizeof(struct iface_patt));
|
||||
|
||||
k->pattern = cfg_strcpy(n);
|
||||
add_tail(&THIS_PROTO->iface_list, &k->n);
|
||||
}
|
||||
|
||||
struct iface_patt *
|
||||
rip_get_iface(void)
|
||||
{
|
||||
struct iface_patt *k = TAIL(THIS_PROTO->iface_list);
|
||||
if (!k)
|
||||
cf_error( "This cannot happen" );
|
||||
return k;
|
||||
}
|
||||
|
||||
|
||||
CF_END
|
||||
|
||||
@ -22,15 +22,6 @@
|
||||
|
||||
#include "rip.h"
|
||||
|
||||
/* FIXME: should be 520 */
|
||||
#define RIP_PORT 1520
|
||||
|
||||
/* FIXME: should be 30 */
|
||||
#define RIP_TIME 5
|
||||
|
||||
/* FIXME: should be 120+180 */
|
||||
#define RIP_GB_TIME 30
|
||||
|
||||
static void
|
||||
rip_reply(struct proto *p)
|
||||
{
|
||||
@ -218,6 +209,17 @@ rip_sendto( struct proto *p, ip_addr daddr, int dport, struct rip_interface *rif
|
||||
rip_tx(c->rif->sock);
|
||||
}
|
||||
|
||||
struct rip_interface*
|
||||
find_interface(struct proto *p, struct iface *what)
|
||||
{
|
||||
struct rip_interface *i;
|
||||
/* FIXME: We really want to use some kind of hash-table */
|
||||
WALK_LIST (i, P->interfaces)
|
||||
if (i->iface == what)
|
||||
return i;
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/*
|
||||
* Input processing
|
||||
*/
|
||||
@ -237,6 +239,7 @@ advertise_entry( struct proto *p, struct rip_block *b, ip_addr whotoldme )
|
||||
rte *r;
|
||||
net *n;
|
||||
neighbor *neighbor;
|
||||
struct rip_interface *i;
|
||||
|
||||
bzero(&A, sizeof(A));
|
||||
A.proto = p;
|
||||
@ -256,11 +259,13 @@ advertise_entry( struct proto *p, struct rip_block *b, ip_addr whotoldme )
|
||||
}
|
||||
|
||||
A.iface = neighbor->iface;
|
||||
i = find_interface(p, A.iface);
|
||||
/* set to: interface of nexthop */
|
||||
a = rta_lookup(&A);
|
||||
n = net_get( &master_table, 0, b->network, ipa_mklen( b->netmask )); /* FIXME: should verify that it really is netmask */
|
||||
r = rte_get_temp(a);
|
||||
r->u.rip.metric = ntohl(b->metric);
|
||||
r->u.rip.metric = ntohl(b->metric) + i->metric;
|
||||
if (r->u.rip.metric > P->infinity) r->u.rip.metric = P->infinity;
|
||||
r->u.rip.tag = ntohl(b->tag);
|
||||
r->net = n;
|
||||
r->pflags = 0; /* Here go my flags */
|
||||
@ -311,7 +316,7 @@ rip_process_packet( struct proto *p, struct rip_packet *packet, int num, ip_addr
|
||||
rip_sendto( p, whotoldme, port, NULL ); /* no broadcast */
|
||||
break;
|
||||
case RIPCMD_RESPONSE: debug( "*** Rtable from %I\n", whotoldme );
|
||||
if (port != RIP_PORT) {
|
||||
if (port != P->port) {
|
||||
log( L_ERR "%I send me routing info from port %d\n", whotoldme, port );
|
||||
#if 0
|
||||
return 0;
|
||||
@ -400,7 +405,7 @@ rip_timer(timer *t)
|
||||
rte = SKIP_BACK( struct rte, u.rip.garbage, e );
|
||||
debug( "Garbage: " ); rte_dump( rte );
|
||||
|
||||
if (now - rte->lastmod > (RIP_GB_TIME)) {
|
||||
if (now - rte->lastmod > P->garbage_time) {
|
||||
debug( "RIP: entry is too old: " ); rte_dump( rte );
|
||||
rte_discard(rte);
|
||||
}
|
||||
@ -436,7 +441,7 @@ rip_start(struct proto *p)
|
||||
P->timer = tm_new( p->pool );
|
||||
P->timer->data = p;
|
||||
P->timer->randomize = 5;
|
||||
P->timer->recurrent = RIP_TIME;
|
||||
P->timer->recurrent = P->period;
|
||||
P->timer->hook = rip_timer;
|
||||
tm_start( P->timer, 5 );
|
||||
CHK_MAGIC;
|
||||
@ -497,7 +502,7 @@ new_iface(struct proto *p, struct iface *new)
|
||||
|
||||
i->sock = sk_new( p->pool );
|
||||
i->sock->type = SK_UDP;
|
||||
i->sock->sport = RIP_PORT;
|
||||
i->sock->sport = P->port;
|
||||
i->sock->rx_hook = rip_rx;
|
||||
i->sock->data = i;
|
||||
i->sock->rbsize = 10240;
|
||||
@ -506,7 +511,7 @@ new_iface(struct proto *p, struct iface *new)
|
||||
i->sock->tx_hook = rip_tx;
|
||||
i->sock->err_hook = rip_tx_err;
|
||||
i->sock->daddr = IPA_NONE;
|
||||
i->sock->dport = RIP_PORT;
|
||||
i->sock->dport = P->port;
|
||||
|
||||
if (new->flags & IF_BROADCAST)
|
||||
i->sock->daddr = new->brd;
|
||||
@ -528,15 +533,19 @@ rip_if_notify(struct proto *p, unsigned c, struct iface *old, struct iface *new)
|
||||
debug( "RIP: if notify\n" );
|
||||
if (old) {
|
||||
struct rip_interface *i;
|
||||
WALK_LIST (i, P->interfaces)
|
||||
if (i->iface == old) {
|
||||
rem_node(NODE i);
|
||||
kill_iface(p, i);
|
||||
}
|
||||
i = find_interface(p, old);
|
||||
if (i) {
|
||||
rem_node(NODE i);
|
||||
kill_iface(p, i);
|
||||
}
|
||||
}
|
||||
if (new) {
|
||||
struct rip_interface *i;
|
||||
struct iface_patt *k = iface_patt_match(&P->iface_list, new);
|
||||
|
||||
if (!k) return; /* We are not interested in this interface */
|
||||
i = new_iface(p, new);
|
||||
i->metric = k->u.rip.metric;
|
||||
add_head( &P->interfaces, NODE i );
|
||||
}
|
||||
}
|
||||
@ -620,7 +629,13 @@ rip_init_instance(struct proto *p)
|
||||
p->rte_insert = rip_rte_insert;
|
||||
p->rte_remove = rip_rte_remove;
|
||||
p->dump = rip_dump;
|
||||
P->infinity = 16;
|
||||
|
||||
P->infinity = 16;
|
||||
P->port = 520;
|
||||
P->period = 30;
|
||||
P->garbage_time = 120+180;
|
||||
|
||||
init_list(&P->iface_list);
|
||||
}
|
||||
|
||||
static void
|
||||
|
||||
@ -64,21 +64,27 @@ struct rip_interface {
|
||||
struct iface *iface;
|
||||
sock *sock;
|
||||
struct rip_connection *busy;
|
||||
|
||||
int metric; /* User configurable data */
|
||||
};
|
||||
|
||||
struct rip_data {
|
||||
struct rip_proto {
|
||||
struct proto inherited;
|
||||
timer *timer;
|
||||
list connections;
|
||||
list rtable;
|
||||
list garbage;
|
||||
list interfaces;
|
||||
list interfaces; /* Interfaces we really know about */
|
||||
list iface_list; /* Patterns configured */
|
||||
int magic;
|
||||
|
||||
int infinity; /* How much is infinity? Should be 16 */
|
||||
int infinity; /* User configurable data */
|
||||
int port;
|
||||
int period;
|
||||
int garbage_time;
|
||||
};
|
||||
|
||||
#define P ((struct rip_data *) p)
|
||||
#define P ((struct rip_proto *) p)
|
||||
#define E ((struct rip_entry *) e)
|
||||
|
||||
#define RIP_MAGIC 81861253
|
||||
|
||||
Loading…
Reference in New Issue
Block a user