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-rw-r--r--proto/static/static.c169
-rw-r--r--proto/static/static.h4
2 files changed, 84 insertions, 89 deletions
diff --git a/proto/static/static.c b/proto/static/static.c
index bb93305e..42fd20b7 100644
--- a/proto/static/static.c
+++ b/proto/static/static.c
@@ -38,7 +38,7 @@
#include "nest/bird.h"
#include "nest/iface.h"
#include "nest/protocol.h"
-#include "nest/route.h"
+#include "nest/rt.h"
#include "nest/cli.h"
#include "conf/conf.h"
#include "filter/filter.h"
@@ -47,91 +47,96 @@
#include "static.h"
-static linpool *static_lp;
-
static inline struct rte_src * static_get_source(struct static_proto *p, uint i)
{ return i ? rt_get_source(&p->p, i) : p->p.main_source; }
+static inline void static_free_source(struct rte_src *src, uint i)
+{ if (i) rt_unlock_source(src); }
+
static void
static_announce_rte(struct static_proto *p, struct static_route *r)
{
- rta *a = allocz(RTA_MAX_SIZE);
- struct rte_src *src = static_get_source(p, r->index);
- a->source = RTS_STATIC;
- a->scope = SCOPE_UNIVERSE;
- a->dest = r->dest;
- a->pref = p->p.main_channel->preference;
+ struct rte_src *src;
+ ea_list *ea = NULL;
+ ea_set_attr_u32(&ea, &ea_gen_preference, 0, p->p.main_channel->preference);
+ ea_set_attr_u32(&ea, &ea_gen_source, 0, RTS_STATIC);
if (r->dest == RTD_UNICAST)
{
- struct static_route *r2;
- struct nexthop *nhs = NULL;
+ uint sz = 0;
+ for (struct static_route *r2 = r; r2; r2 = r2->mp_next)
+ if (r2->active)
+ sz += NEXTHOP_SIZE_CNT(r2->mls ? r2->mls->length / sizeof(u32) : 0);
- for (r2 = r; r2; r2 = r2->mp_next)
+ if (!sz)
+ goto withdraw;
+
+ struct nexthop_adata *nhad = allocz(sz + sizeof *nhad);
+ struct nexthop *nh = &nhad->nh;
+
+ for (struct static_route *r2 = r; r2; r2 = r2->mp_next)
{
if (!r2->active)
continue;
- struct nexthop *nh = allocz(NEXTHOP_MAX_SIZE);
- nh->gw = r2->via;
- nh->iface = r2->neigh->iface;
- nh->flags = r2->onlink ? RNF_ONLINK : 0;
- nh->weight = r2->weight;
+ *nh = (struct nexthop) {
+ .gw = r2->via,
+ .iface = r2->neigh->iface,
+ .flags = r2->onlink ? RNF_ONLINK : 0,
+ .weight = r2->weight,
+ };
+
if (r2->mls)
{
- nh->labels = r2->mls->len;
- memcpy(nh->label, r2->mls->stack, r2->mls->len * sizeof(u32));
+ nh->labels = r2->mls->length / sizeof(u32);
+ memcpy(nh->label, r2->mls->data, r2->mls->length);
}
- nexthop_insert(&nhs, nh);
+ nh = NEXTHOP_NEXT(nh);
}
- if (!nhs)
- goto withdraw;
-
- nexthop_link(a, nhs);
+ ea_set_attr_data(&ea, &ea_gen_nexthop, 0,
+ nhad->ad.data, (void *) nh - (void *) nhad->ad.data);
}
- if (r->dest == RTDX_RECURSIVE)
+ else if (r->dest == RTDX_RECURSIVE)
{
rtable *tab = ipa_is_ip4(r->via) ? p->igp_table_ip4 : p->igp_table_ip6;
- rta_set_recursive_next_hop(p->p.main_channel->table, a, tab, r->via, IPA_NONE, r->mls);
+ u32 *labels = r->mls ? (void *) r->mls->data : NULL;
+ u32 lnum = r->mls ? r->mls->length / sizeof(u32) : 0;
+
+ ea_set_hostentry(&ea, p->p.main_channel->table, tab,
+ r->via, IPA_NONE, lnum, labels);
}
+ else if (r->dest)
+ ea_set_dest(&ea, 0, r->dest);
+
/* Already announced */
if (r->state == SRS_CLEAN)
return;
/* We skip rta_lookup() here */
- rte *e = rte_get_temp(a, src);
+ src = static_get_source(p, r->index);
+ rte e0 = { .attrs = ea, .src = src, .net = r->net, }, *e = &e0;
+ /* Evaluate the filter */
if (r->cmds)
- {
- /* Create a temporary table node */
- e->net = alloca(sizeof(net) + r->net->length);
- memset(e->net, 0, sizeof(net) + r->net->length);
- net_copy(e->net->n.addr, r->net);
+ f_eval_rte(r->cmds, e);
- /* Evaluate the filter */
- f_eval_rte(r->cmds, &e, static_lp);
+ rte_update(p->p.main_channel, r->net, e, src);
+ static_free_source(src, r->index);
- /* Remove the temporary node */
- e->net = NULL;
- }
-
- rte_update2(p->p.main_channel, r->net, e, src);
r->state = SRS_CLEAN;
-
- if (r->cmds)
- lp_flush(static_lp);
-
return;
withdraw:
if (r->state == SRS_DOWN)
return;
- rte_update2(p->p.main_channel, r->net, NULL, src);
+ src = static_get_source(p, r->index);
+ rte_update(p->p.main_channel, r->net, NULL, src);
+ static_free_source(src, r->index);
r->state = SRS_DOWN;
}
@@ -297,7 +302,11 @@ static void
static_remove_rte(struct static_proto *p, struct static_route *r)
{
if (r->state)
- rte_update2(p->p.main_channel, r->net, NULL, static_get_source(p, r->index));
+ {
+ struct rte_src *src = static_get_source(p, r->index);
+ rte_update(p->p.main_channel, r->net, NULL, src);
+ static_free_source(src, r->index);
+ }
static_reset_rte(p, r);
}
@@ -320,31 +329,17 @@ static_same_dest(struct static_route *x, struct static_route *y)
(x->weight != y->weight) ||
(x->use_bfd != y->use_bfd) ||
(!x->mls != !y->mls) ||
- ((x->mls) && (y->mls) && (x->mls->len != y->mls->len)))
+ ((x->mls) && (y->mls) && adata_same(x->mls, y->mls)))
return 0;
-
- if (!x->mls)
- continue;
-
- for (uint i = 0; i < x->mls->len; i++)
- if (x->mls->stack[i] != y->mls->stack[i])
- return 0;
}
return !x && !y;
case RTDX_RECURSIVE:
if (!ipa_equal(x->via, y->via) ||
(!x->mls != !y->mls) ||
- ((x->mls) && (y->mls) && (x->mls->len != y->mls->len)))
+ ((x->mls) && (y->mls) && adata_same(x->mls, y->mls)))
return 0;
- if (!x->mls)
- return 1;
-
- for (uint i = 0; i < x->mls->len; i++)
- if (x->mls->stack[i] != y->mls->stack[i])
- return 0;
-
return 1;
default:
@@ -413,16 +408,16 @@ static_reload_routes(struct channel *C)
static int
static_rte_better(rte *new, rte *old)
{
- u32 n = ea_get_int(new->attrs->eattrs, EA_GEN_IGP_METRIC, IGP_METRIC_UNKNOWN);
- u32 o = ea_get_int(old->attrs->eattrs, EA_GEN_IGP_METRIC, IGP_METRIC_UNKNOWN);
+ u32 n = ea_get_int(new->attrs, &ea_gen_igp_metric, IGP_METRIC_UNKNOWN);
+ u32 o = ea_get_int(old->attrs, &ea_gen_igp_metric, IGP_METRIC_UNKNOWN);
return n < o;
}
static int
static_rte_mergable(rte *pri, rte *sec)
{
- u32 a = ea_get_int(pri->attrs->eattrs, EA_GEN_IGP_METRIC, IGP_METRIC_UNKNOWN);
- u32 b = ea_get_int(sec->attrs->eattrs, EA_GEN_IGP_METRIC, IGP_METRIC_UNKNOWN);
+ u32 a = ea_get_int(pri->attrs, &ea_gen_igp_metric, IGP_METRIC_UNKNOWN);
+ u32 b = ea_get_int(sec->attrs, &ea_gen_igp_metric, IGP_METRIC_UNKNOWN);
return a == b;
}
@@ -441,11 +436,11 @@ static_postconfig(struct proto_config *CF)
if (!cf->igp_table_ip4)
cf->igp_table_ip4 = (cc->table->addr_type == NET_IP4) ?
- cc->table : cf->c.global->def_tables[NET_IP4];
+ cc->table : rt_get_default_table(cf->c.global, NET_IP4);
if (!cf->igp_table_ip6)
cf->igp_table_ip6 = (cc->table->addr_type == NET_IP6) ?
- cc->table : cf->c.global->def_tables[NET_IP6];
+ cc->table : rt_get_default_table(cf->c.global, NET_IP6);
WALK_LIST(r, cf->routes)
if (r->net && (r->net->type != CF->net_type))
@@ -454,6 +449,8 @@ static_postconfig(struct proto_config *CF)
static_index_routes(cf);
}
+static struct rte_owner_class static_rte_owner_class;
+
static struct proto *
static_init(struct proto_config *CF)
{
@@ -465,8 +462,7 @@ static_init(struct proto_config *CF)
P->neigh_notify = static_neigh_notify;
P->reload_routes = static_reload_routes;
- P->rte_better = static_rte_better;
- P->rte_mergable = static_rte_mergable;
+ P->sources.class = &static_rte_owner_class;
if (cf->igp_table_ip4)
p->igp_table_ip4 = cf->igp_table_ip4->table;
@@ -484,9 +480,6 @@ static_start(struct proto *P)
struct static_config *cf = (void *) P->cf;
struct static_route *r;
- if (!static_lp)
- static_lp = lp_new(&root_pool);
-
if (p->igp_table_ip4)
rt_lock_table(p->igp_table_ip4);
@@ -501,7 +494,12 @@ static_start(struct proto *P)
proto_notify_state(P, PS_UP);
WALK_LIST(r, cf->routes)
+ {
+ struct lp_state lps;
+ lp_save(tmp_linpool, &lps);
static_add_rte(p, r);
+ lp_restore(tmp_linpool, &lps);
+ }
return PS_UP;
}
@@ -517,19 +515,13 @@ static_shutdown(struct proto *P)
WALK_LIST(r, cf->routes)
static_reset_rte(p, r);
- return PS_DOWN;
-}
-
-static void
-static_cleanup(struct proto *P)
-{
- struct static_proto *p = (void *) P;
-
if (p->igp_table_ip4)
rt_unlock_table(p->igp_table_ip4);
if (p->igp_table_ip6)
rt_unlock_table(p->igp_table_ip6);
+
+ return PS_DOWN;
}
static void
@@ -719,11 +711,12 @@ static_copy_config(struct proto_config *dest, struct proto_config *src)
static void
static_get_route_info(rte *rte, byte *buf)
{
- eattr *a = ea_find(rte->attrs->eattrs, EA_GEN_IGP_METRIC);
- if (a)
- buf += bsprintf(buf, " (%d/%u)", rte->attrs->pref, a->u.data);
+ eattr *a = ea_find(rte->attrs, &ea_gen_igp_metric);
+ u32 pref = rt_get_preference(rte);
+ if (a && (a->u.data < IGP_METRIC_UNKNOWN))
+ buf += bsprintf(buf, " (%d/%u)", pref, a->u.data);
else
- buf += bsprintf(buf, " (%d)", rte->attrs->pref);
+ buf += bsprintf(buf, " (%d)", pref);
}
static void
@@ -773,11 +766,15 @@ static_show(struct proto *P)
static_show_rt(r);
}
+static struct rte_owner_class static_rte_owner_class = {
+ .get_route_info = static_get_route_info,
+ .rte_better = static_rte_better,
+ .rte_mergable = static_rte_mergable,
+};
struct protocol proto_static = {
.name = "Static",
.template = "static%d",
- .class = PROTOCOL_STATIC,
.preference = DEF_PREF_STATIC,
.channel_mask = NB_ANY,
.proto_size = sizeof(struct static_proto),
@@ -787,10 +784,8 @@ struct protocol proto_static = {
.dump = static_dump,
.start = static_start,
.shutdown = static_shutdown,
- .cleanup = static_cleanup,
.reconfigure = static_reconfigure,
.copy_config = static_copy_config,
- .get_route_info = static_get_route_info,
};
void
diff --git a/proto/static/static.h b/proto/static/static.h
index fc91f71c..ea7ca33b 100644
--- a/proto/static/static.h
+++ b/proto/static/static.h
@@ -9,7 +9,7 @@
#ifndef _BIRD_STATIC_H_
#define _BIRD_STATIC_H_
-#include "nest/route.h"
+#include "nest/rt.h"
#include "nest/bfd.h"
#include "lib/buffer.h"
@@ -49,7 +49,7 @@ struct static_route {
byte weight; /* Multipath next hop weight */
byte use_bfd; /* Configured to use BFD */
struct bfd_request *bfd_req; /* BFD request, if BFD is used */
- mpls_label_stack *mls; /* MPLS label stack; may be NULL */
+ struct adata *mls; /* MPLS label stack; may be NULL */
};
/*
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-22 19:08:22 +0000