diff options
author | Ondrej Zajicek <santiago@crfreenet.org> | 2010-03-11 18:55:59 +0100 |
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committer | Ondrej Zajicek <santiago@crfreenet.org> | 2010-03-11 18:55:59 +0100 |
commit | 54305181f6ee3af57dd3d15d53ea2e851b36ed23 (patch) | |
tree | a5aed631b68df033cba372f841d47a0cba5d7021 /nest/rt-table.c | |
parent | e7b76b976084006e430543f4b872f624326dbfe6 (diff) | |
parent | afa9f66c27e2f96b92059131def53cc7b2497705 (diff) |
Merge branch 'new' into socket2
Diffstat (limited to 'nest/rt-table.c')
-rw-r--r-- | nest/rt-table.c | 135 |
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; } } |