summaryrefslogtreecommitdiff
path: root/nest/rt-table.c
diff options
context:
space:
mode:
authorOndrej Zajicek <santiago@crfreenet.org>2010-03-11 18:55:59 +0100
committerOndrej Zajicek <santiago@crfreenet.org>2010-03-11 18:55:59 +0100
commit54305181f6ee3af57dd3d15d53ea2e851b36ed23 (patch)
treea5aed631b68df033cba372f841d47a0cba5d7021 /nest/rt-table.c
parente7b76b976084006e430543f4b872f624326dbfe6 (diff)
parentafa9f66c27e2f96b92059131def53cc7b2497705 (diff)
Merge branch 'new' into socket2
Diffstat (limited to 'nest/rt-table.c')
-rw-r--r--nest/rt-table.c135
1 files changed, 65 insertions, 70 deletions
diff --git a/nest/rt-table.c b/nest/rt-table.c
index 413675c9..1860b1a1 100644
--- a/nest/rt-table.c
+++ b/nest/rt-table.c
@@ -158,37 +158,42 @@ rte_trace_out(unsigned int flag, struct proto *p, rte *e, char *msg)
}
static inline void
-do_rte_announce(struct announce_hook *a, int type, net *net, rte *new, rte *old, ea_list *tmpa, int class, int refeed)
+do_rte_announce(struct announce_hook *a, int type UNUSED, net *net, rte *new, rte *old, ea_list *tmpa, int refeed)
{
struct proto *p = a->proto;
+ struct filter *filter = p->out_filter;
+ struct proto_stats *stats = &p->stats;
rte *new0 = new;
rte *old0 = old;
int ok;
int fast_exit_hack = 0;
+#ifdef CONFIG_PIPE
+ /* The secondary direction of the pipe */
+ if (proto_is_pipe(p) && (p->table != a->table))
+ {
+ filter = p->in_filter;
+ stats = pipe_get_peer_stats(p);
+ }
+#endif
+
if (new)
{
- p->stats.exp_updates_received++;
+ stats->exp_updates_received++;
char *drop_reason = NULL;
- if ((class & IADDR_SCOPE_MASK) < p->min_scope)
- {
- p->stats.exp_updates_rejected++;
- drop_reason = "out of scope";
- fast_exit_hack = 1;
- }
- else if ((ok = p->import_control ? p->import_control(p, &new, &tmpa, rte_update_pool) : 0) < 0)
+ if ((ok = p->import_control ? p->import_control(p, &new, &tmpa, rte_update_pool) : 0) < 0)
{
- p->stats.exp_updates_rejected++;
+ stats->exp_updates_rejected++;
drop_reason = "rejected by protocol";
}
else if (ok)
rte_trace_out(D_FILTERS, p, new, "forced accept by protocol");
- else if (p->out_filter == FILTER_REJECT ||
- p->out_filter && f_run(p->out_filter, &new, &tmpa, rte_update_pool, FF_FORCE_TMPATTR) > F_ACCEPT)
+ else if ((filter == FILTER_REJECT) ||
+ (filter && f_run(filter, &new, &tmpa, rte_update_pool, FF_FORCE_TMPATTR) > F_ACCEPT))
{
- p->stats.exp_updates_filtered++;
+ stats->exp_updates_filtered++;
drop_reason = "filtered out";
}
if (drop_reason)
@@ -200,7 +205,7 @@ do_rte_announce(struct announce_hook *a, int type, net *net, rte *new, rte *old,
}
}
else
- p->stats.exp_withdraws_received++;
+ stats->exp_withdraws_received++;
/* Hack: This is here to prevent 'spurious withdraws'
for loopback addresses during reload. */
@@ -229,13 +234,13 @@ do_rte_announce(struct announce_hook *a, int type, net *net, rte *new, rte *old,
if (old && !refeed)
{
- if (p->out_filter == FILTER_REJECT)
+ if (filter == FILTER_REJECT)
old = NULL;
else
{
ea_list *tmpb = p->make_tmp_attrs ? p->make_tmp_attrs(old, rte_update_pool) : NULL;
ok = p->import_control ? p->import_control(p, &old, &tmpb, rte_update_pool) : 0;
- if (ok < 0 || (!ok && p->out_filter && f_run(p->out_filter, &old, &tmpb, rte_update_pool, FF_FORCE_TMPATTR) > F_ACCEPT))
+ if (ok < 0 || (!ok && filter && f_run(filter, &old, &tmpb, rte_update_pool, FF_FORCE_TMPATTR) > F_ACCEPT))
{
if (old != old0)
rte_free(old);
@@ -249,16 +254,16 @@ do_rte_announce(struct announce_hook *a, int type, net *net, rte *new, rte *old,
return;
if (new)
- p->stats.exp_updates_accepted++;
+ stats->exp_updates_accepted++;
else
- p->stats.exp_withdraws_accepted++;
+ stats->exp_withdraws_accepted++;
/* Hack: We do not decrease exp_routes during refeed, we instead
reset exp_routes at the start of refeed. */
if (new)
- p->stats.exp_routes++;
+ stats->exp_routes++;
if (old && !refeed)
- p->stats.exp_routes--;
+ stats->exp_routes--;
if (p->debug & D_ROUTES)
{
@@ -270,18 +275,18 @@ do_rte_announce(struct announce_hook *a, int type, net *net, rte *new, rte *old,
rte_trace_out(D_ROUTES, p, old, "removed");
}
if (!new)
- p->rt_notify(p, net, NULL, old, NULL);
+ p->rt_notify(p, a->table, net, NULL, old, NULL);
else if (tmpa)
{
ea_list *t = tmpa;
while (t->next)
t = t->next;
t->next = new->attrs->eattrs;
- p->rt_notify(p, net, new, old, tmpa);
+ p->rt_notify(p, a->table, net, new, old, tmpa);
t->next = NULL;
}
else
- p->rt_notify(p, net, new, old, new->attrs->eattrs);
+ p->rt_notify(p, a->table, net, new, old, new->attrs->eattrs);
if (new && new != new0) /* Discard temporary rte's */
rte_free(new);
if (old && old != old0)
@@ -318,10 +323,9 @@ do_rte_announce(struct announce_hook *a, int type, net *net, rte *new, rte *old,
* the protocol gets called.
*/
static void
-rte_announce(rtable *tab, int type, net *net, rte *new, rte *old, ea_list *tmpa)
+rte_announce(rtable *tab, unsigned type, net *net, rte *new, rte *old, ea_list *tmpa)
{
struct announce_hook *a;
- int class = ipa_classify(net->n.prefix);
if (type == RA_OPTIMAL)
{
@@ -335,7 +339,7 @@ rte_announce(rtable *tab, int type, net *net, rte *new, rte *old, ea_list *tmpa)
{
ASSERT(a->proto->core_state == FS_HAPPY || a->proto->core_state == FS_FEEDING);
if (a->proto->accept_ra_types == type)
- do_rte_announce(a, type, net, new, old, tmpa, class, 0);
+ do_rte_announce(a, type, net, new, old, tmpa, 0);
}
}
@@ -351,33 +355,15 @@ rte_validate(rte *e)
n->n.prefix, n->n.pxlen, e->sender->name);
return 0;
}
- if (n->n.pxlen)
+
+ c = ipa_classify_net(n->n.prefix);
+ if ((c < 0) || !(c & IADDR_HOST) || ((c & IADDR_SCOPE_MASK) <= SCOPE_LINK))
{
- c = ipa_classify(n->n.prefix);
- if (c < 0 || !(c & IADDR_HOST))
- {
- if (!ipa_nonzero(n->n.prefix))
- {
- /* Various default routes */
-#ifdef IPV6
- if (n->n.pxlen == 96)
-#else
- if (n->n.pxlen <= 1)
-#endif
- return 1;
- }
- log(L_WARN "Ignoring bogus route %I/%d received via %s",
- n->n.prefix, n->n.pxlen, e->sender->name);
- return 0;
- }
- if ((c & IADDR_SCOPE_MASK) < e->sender->min_scope)
- {
- log(L_WARN "Ignoring %s scope route %I/%d received from %I via %s",
- ip_scope_text(c & IADDR_SCOPE_MASK),
- n->n.prefix, n->n.pxlen, e->attrs->from, e->sender->name);
- return 0;
- }
+ log(L_WARN "Ignoring bogus route %I/%d received via %s",
+ n->n.prefix, n->n.pxlen, e->sender->name);
+ return 0;
}
+
return 1;
}
@@ -416,10 +402,16 @@ rte_same(rte *x, rte *y)
static void
rte_recalculate(rtable *table, net *net, struct proto *p, struct proto *src, rte *new, ea_list *tmpa)
{
+ struct proto_stats *stats = &p->stats;
rte *old_best = net->routes;
rte *old = NULL;
rte **k, *r, *s;
+#ifdef CONFIG_PIPE
+ if (proto_is_pipe(p) && (p->table == table))
+ stats = pipe_get_peer_stats(p);
+#endif
+
k = &net->routes; /* Find and remove original route from the same protocol */
while (old = *k)
{
@@ -448,7 +440,7 @@ rte_recalculate(rtable *table, net *net, struct proto *p, struct proto *src, rte
if (new && rte_same(old, new))
{
/* No changes, ignore the new route */
- p->stats.imp_updates_ignored++;
+ stats->imp_updates_ignored++;
rte_trace_in(D_ROUTES, p, new, "ignored");
rte_free_quick(new);
old->lastmod = now;
@@ -462,19 +454,19 @@ rte_recalculate(rtable *table, net *net, struct proto *p, struct proto *src, rte
if (!old && !new)
{
- p->stats.imp_withdraws_ignored++;
+ stats->imp_withdraws_ignored++;
return;
}
if (new)
- p->stats.imp_updates_accepted++;
+ stats->imp_updates_accepted++;
else
- p->stats.imp_withdraws_accepted++;
+ stats->imp_withdraws_accepted++;
if (new)
- p->stats.imp_routes++;
+ stats->imp_routes++;
if (old)
- p->stats.imp_routes--;
+ stats->imp_routes--;
rte_announce(table, RA_ANY, net, new, old, tmpa);
@@ -632,6 +624,12 @@ void
rte_update(rtable *table, net *net, struct proto *p, struct proto *src, rte *new)
{
ea_list *tmpa = NULL;
+ struct proto_stats *stats = &p->stats;
+
+#ifdef CONFIG_PIPE
+ if (proto_is_pipe(p) && (p->table == table))
+ stats = pipe_get_peer_stats(p);
+#endif
rte_update_lock();
if (new)
@@ -642,20 +640,20 @@ rte_update(rtable *table, net *net, struct proto *p, struct proto *src, rte *new
/* Do not filter routes going through the pipe,
they are filtered in the export filter only. */
#ifdef CONFIG_PIPE
- if (p->proto == &proto_pipe)
+ if (proto_is_pipe(p))
filter = FILTER_ACCEPT;
#endif
- p->stats.imp_updates_received++;
+ stats->imp_updates_received++;
if (!rte_validate(new))
{
rte_trace_in(D_FILTERS, p, new, "invalid");
- p->stats.imp_updates_invalid++;
+ stats->imp_updates_invalid++;
goto drop;
}
if (filter == FILTER_REJECT)
{
- p->stats.imp_updates_filtered++;
+ stats->imp_updates_filtered++;
rte_trace_in(D_FILTERS, p, new, "filtered out");
goto drop;
}
@@ -667,7 +665,7 @@ rte_update(rtable *table, net *net, struct proto *p, struct proto *src, rte *new
int fr = f_run(filter, &new, &tmpa, rte_update_pool, 0);
if (fr > F_ACCEPT)
{
- p->stats.imp_updates_filtered++;
+ stats->imp_updates_filtered++;
rte_trace_in(D_FILTERS, p, new, "filtered out");
goto drop;
}
@@ -679,7 +677,7 @@ rte_update(rtable *table, net *net, struct proto *p, struct proto *src, rte *new
new->flags |= REF_COW;
}
else
- p->stats.imp_withdraws_received++;
+ stats->imp_withdraws_received++;
rte_recalculate(table, net, p, src, new, tmpa);
rte_update_unlock();
@@ -995,7 +993,7 @@ do_feed_baby(struct proto *p, int type, struct announce_hook *h, net *n, rte *e)
rte_update_lock();
tmpa = q->make_tmp_attrs ? q->make_tmp_attrs(e, rte_update_pool) : NULL;
- do_rte_announce(h, type, n, e, p->refeeding ? e : NULL, tmpa, ipa_classify(n->n.prefix), p->refeeding);
+ do_rte_announce(h, type, n, e, p->refeeding ? e : NULL, tmpa, p->refeeding);
rte_update_unlock();
}
@@ -1167,11 +1165,8 @@ rt_show_net(struct cli *c, net *n, struct rt_show_data *d)
if (p2 && p2 != p0) ok = 0;
if (ok && d->export_mode)
{
- int class = ipa_classify(n->n.prefix);
int ic;
- if ((class & IADDR_SCOPE_MASK) < p1->min_scope)
- ok = 0;
- else if ((ic = p1->import_control ? p1->import_control(p1, &e, &tmpa, rte_update_pool) : 0) < 0)
+ if ((ic = p1->import_control ? p1->import_control(p1, &e, &tmpa, rte_update_pool) : 0) < 0)
ok = 0;
else if (!ic && d->export_mode > 1)
{
@@ -1180,8 +1175,8 @@ rt_show_net(struct cli *c, net *n, struct rt_show_data *d)
'configure soft' command may change the export filter
and do not update routes */
- if (p1->out_filter == FILTER_REJECT ||
- p1->out_filter && f_run(p1->out_filter, &e, &tmpa, rte_update_pool, FF_FORCE_TMPATTR) > F_ACCEPT)
+ if ((p1->out_filter == FILTER_REJECT) ||
+ (p1->out_filter && f_run(p1->out_filter, &e, &tmpa, rte_update_pool, FF_FORCE_TMPATTR) > F_ACCEPT))
ok = 0;
}
}