diff options
Diffstat (limited to 'nest/proto.c')
| -rw-r--r-- | nest/proto.c | 704 |
1 files changed, 193 insertions, 511 deletions
diff --git a/nest/proto.c b/nest/proto.c index 2d30e640..28b4426d 100644 --- a/nest/proto.c +++ b/nest/proto.c @@ -15,19 +15,17 @@ #include "lib/event.h" #include "lib/timer.h" #include "lib/string.h" -#include "lib/coro.h" #include "conf/conf.h" -#include "nest/route.h" +#include "nest/rt.h" #include "nest/iface.h" #include "nest/cli.h" #include "filter/filter.h" #include "filter/f-inst.h" pool *proto_pool; -list proto_list; +list STATIC_LIST_INIT(proto_list); -static list protocol_list; -struct protocol *class_to_protocol[PROTOCOL__MAX]; +static list STATIC_LIST_INIT(protocol_list); #define CD(c, msg, args...) ({ if (c->debug & D_STATES) log(L_TRACE "%s.%s: " msg, c->proto->name, c->name ?: "?", ## args); }) #define PD(p, msg, args...) ({ if (p->debug & D_STATES) log(L_TRACE "%s: " msg, p->name, ## args); }) @@ -48,7 +46,7 @@ static char *c_states[] = { "DOWN", "START", "UP", "STOP", "RESTART" }; extern struct protocol proto_unix_iface; -static void channel_aux_request_refeed(struct channel_aux_table *cat); +static void channel_request_reload(struct channel *c); static void proto_shutdown_loop(timer *); static void proto_rethink_goal(struct proto *p); static char *proto_state_name(struct proto *p); @@ -57,6 +55,7 @@ static void channel_update_limit(struct channel *c, struct limit *l, int dir, st static void channel_reset_limit(struct channel *c, struct limit *l, int dir); static void channel_feed_end(struct channel *c); static void channel_export_stopped(struct rt_export_request *req); +static void channel_check_stopped(struct channel *c); static inline int proto_is_done(struct proto *p) { return (p->proto_state == PS_DOWN) && proto_is_inactive(p); } @@ -110,9 +109,7 @@ channel_export_log_state_change(struct rt_export_request *req, u8 state) switch (state) { case TES_FEEDING: - if (c->out_table) - rt_refresh_begin(&c->out_table->push); - else if (c->proto->feed_begin) + if (c->proto->feed_begin) c->proto->feed_begin(c, !c->refeeding); break; case TES_READY: @@ -202,8 +199,7 @@ proto_find_channel_by_name(struct proto *p, const char *n) return NULL; } -rte * channel_preimport(struct rt_import_request *req, rte *new, rte *old); -rte * channel_in_preimport(struct rt_import_request *req, rte *new, rte *old); +int channel_preimport(struct rt_import_request *req, rte *new, rte *old); void rt_notify_optimal(struct rt_export_request *req, const net_addr *net, struct rt_pending_export *rpe); void rt_notify_any(struct rt_export_request *req, const net_addr *net, struct rt_pending_export *rpe); @@ -236,25 +232,22 @@ proto_add_channel(struct proto *p, struct channel_config *cf) c->channel = cf->channel; c->proto = p; c->table = cf->table->table; - - RT_LOCKED(c->table, t) - rt_lock_table(t); + rt_lock_table(c->table); c->in_filter = cf->in_filter; c->out_filter = cf->out_filter; + c->out_subprefix = cf->out_subprefix; channel_init_limit(c, &c->rx_limit, PLD_RX, &cf->rx_limit); channel_init_limit(c, &c->in_limit, PLD_IN, &cf->in_limit); channel_init_limit(c, &c->out_limit, PLD_OUT, &cf->out_limit); - c->rte_update_pool = lp_new_default(proto_pool); - c->net_type = cf->net_type; c->ra_mode = cf->ra_mode; c->preference = cf->preference; c->debug = cf->debug; c->merge_limit = cf->merge_limit; - c->in_keep_filtered = cf->in_keep_filtered; + c->in_keep = cf->in_keep; c->rpki_reload = cf->rpki_reload; c->channel_state = CS_DOWN; @@ -279,9 +272,7 @@ proto_remove_channel(struct proto *p UNUSED, struct channel *c) CD(c, "Removed", c->name); - RT_LOCKED(c->table, t) - rt_unlock_table(t); - + rt_unlock_table(c->table); rem_node(&c->n); mb_free(c); } @@ -322,20 +313,34 @@ proto_remove_channels(struct proto *p) proto_remove_channel(p, c); } +struct roa_subscription { + node roa_node; + struct settle settle; + struct channel *c; + struct rt_export_request req; +}; + static void -channel_roa_in_changed(void *_data) +channel_roa_in_changed(struct settle *se) { - struct channel *c = _data; + struct roa_subscription *s = SKIP_BACK(struct roa_subscription, settle, se); + struct channel *c = s->c; + int active = !!c->reload_req.hook; - CD(c, "Reload triggered by RPKI change"); + CD(c, "Reload triggered by RPKI change%s", active ? " - already active" : ""); - channel_request_reload(c); + if (!active) + channel_request_reload(c); + else + c->reload_pending = 1; } static void -channel_roa_out_changed(void *_data) +channel_roa_out_changed(struct settle *se) { - struct channel *c = _data; + struct roa_subscription *s = SKIP_BACK(struct roa_subscription, settle, se); + struct channel *c = s->c; + CD(c, "Feeding triggered by RPKI change"); c->refeed_pending = 1; @@ -344,29 +349,47 @@ channel_roa_out_changed(void *_data) rt_stop_export(&c->out_req, channel_export_stopped); } -/* Temporary code, subscriptions should be changed to resources */ -struct roa_subscription { - struct rt_subscription s; - node roa_node; -}; +static void +channel_export_one_roa(struct rt_export_request *req, const net_addr *net UNUSED, struct rt_pending_export *first) +{ + struct roa_subscription *s = SKIP_BACK(struct roa_subscription, req, req); + + /* TODO: use the information about what roa has changed */ + settle_kick(&s->settle, s->c->proto->loop); + + rpe_mark_seen_all(req->hook, first, NULL); +} + +static void +channel_dump_roa_req(struct rt_export_request *req) +{ + struct roa_subscription *s = SKIP_BACK(struct roa_subscription, req, req); + struct channel *c = s->c; + struct rtable_private *tab = SKIP_BACK(struct rtable_private, exporter.e, req->hook->table); + + debug(" Channel %s.%s ROA %s change notifier from table %s request %p\n", + c->proto->name, c->name, + (s->settle.hook == channel_roa_in_changed) ? "import" : "export", + tab->name, req); +} static int channel_roa_is_subscribed(struct channel *c, rtable *tab, int dir) { - void (*hook)(void *) = + void (*hook)(struct settle *) = dir ? channel_roa_in_changed : channel_roa_out_changed; struct roa_subscription *s; node *n; WALK_LIST2(s, n, c->roa_subscriptions, roa_node) - if ((s->s.tab == tab) && (s->s.event->hook == hook)) + if ((tab == SKIP_BACK(rtable, priv.exporter.e, s->req.hook->table)) + && (s->settle.hook == hook)) return 1; return 0; } - static void channel_roa_subscribe(struct channel *c, rtable *tab, int dir) { @@ -374,21 +397,40 @@ channel_roa_subscribe(struct channel *c, rtable *tab, int dir) return; struct roa_subscription *s = mb_allocz(c->proto->pool, sizeof(struct roa_subscription)); - s->s.event = ev_new_init(c->proto->pool, dir ? channel_roa_in_changed : channel_roa_out_changed, c); - s->s.event->list = proto_work_list(c->proto); - rt_subscribe(tab, &s->s); + *s = (struct roa_subscription) { + .settle = SETTLE_INIT(&c->roa_settle, dir ? channel_roa_in_changed : channel_roa_out_changed, NULL), + .c = c, + .req = { + .name = mb_sprintf(c->proto->pool, "%s.%s.roa-%s.%s", + c->proto->name, c->name, dir ? "in" : "out", tab->name), + .list = proto_work_list(c->proto), + .trace_routes = c->debug | c->proto->debug, + .dump_req = channel_dump_roa_req, + .export_one = channel_export_one_roa, + }, + }; add_tail(&c->roa_subscriptions, &s->roa_node); + rt_request_export(tab, &s->req); } static void -channel_roa_unsubscribe(struct roa_subscription *s) +channel_roa_unsubscribed(struct rt_export_request *req) { - rt_unsubscribe(&s->s); + struct roa_subscription *s = SKIP_BACK(struct roa_subscription, req, req); + struct channel *c = s->c; + rem_node(&s->roa_node); - rfree(s->s.event); mb_free(s); + + channel_check_stopped(c); +} + +static void +channel_roa_unsubscribe(struct roa_subscription *s) +{ + rt_stop_export(&s->req, channel_roa_unsubscribed); } static void @@ -408,7 +450,7 @@ channel_roa_subscribe_filter(struct channel *c, int dir) #ifdef CONFIG_BGP /* No automatic reload for BGP channels without in_table / out_table */ if (c->channel == &channel_bgp) - valid = dir ? !!c->in_table : !!c->out_table; + valid = dir ? ((c->in_keep & RIK_PREFILTER) == RIK_PREFILTER) : !!c->out_table; #endif struct filter_iterator fit; @@ -418,14 +460,8 @@ channel_roa_subscribe_filter(struct channel *c, int dir) { switch (fi->fi_code) { - case FI_ROA_CHECK_IMPLICIT: - tab = fi->i_FI_ROA_CHECK_IMPLICIT.rtc->table; - if (valid) channel_roa_subscribe(c, tab, dir); - found = 1; - break; - - case FI_ROA_CHECK_EXPLICIT: - tab = fi->i_FI_ROA_CHECK_EXPLICIT.rtc->table; + case FI_ROA_CHECK: + tab = fi->i_FI_ROA_CHECK.rtc->table; if (valid) channel_roa_subscribe(c, tab, dir); found = 1; break; @@ -462,14 +498,10 @@ channel_start_import(struct channel *c) return; } - int nlen = strlen(c->name) + strlen(c->proto->name) + 2; - char *rn = mb_allocz(c->proto->pool, nlen); - bsprintf(rn, "%s.%s", c->proto->name, c->name); - c->in_req = (struct rt_import_request) { - .name = rn, - .list = proto_work_list(c->proto), + .name = mb_sprintf(c->proto->pool, "%s.%s", c->proto->name, c->name), .trace_routes = c->debug | c->proto->debug, + .list = proto_work_list(c->proto), .dump_req = channel_dump_import_req, .log_state_change = channel_import_log_state_change, .preimport = channel_preimport, @@ -491,19 +523,17 @@ channel_start_export(struct channel *c) { if (c->out_req.hook) { - c->restart_export = 1; - log(L_WARN "%s.%s: Fast channel export restart", c->proto->name, c->name); + log(L_WARN "%s.%s: Attempted to start channel's already started export", c->proto->name, c->name); return; } ASSERT(c->channel_state == CS_UP); - int nlen = strlen(c->name) + strlen(c->proto->name) + 2; - char *rn = mb_allocz(c->proto->pool, nlen); - bsprintf(rn, "%s.%s", c->proto->name, c->name); c->out_req = (struct rt_export_request) { - .name = rn, + .name = mb_sprintf(c->proto->pool, "%s.%s", c->proto->name, c->name), .list = proto_work_list(c->proto), + .addr = c->out_subprefix, + .addr_mode = c->out_subprefix ? TE_ADDR_IN : TE_ADDR_NONE, .trace_routes = c->debug | c->proto->debug, .dump_req = channel_dump_export_req, .log_state_change = channel_export_log_state_change, @@ -544,7 +574,7 @@ channel_check_stopped(struct channel *c) switch (c->channel_state) { case CS_STOP: - if (c->out_req.hook || c->in_req.hook || c->out_table || c->in_table) + if (!EMPTY_LIST(c->roa_subscriptions) || c->out_req.hook || c->in_req.hook) return; channel_set_state(c, CS_DOWN); @@ -552,7 +582,7 @@ channel_check_stopped(struct channel *c) break; case CS_PAUSE: - if (c->out_req.hook) + if (!EMPTY_LIST(c->roa_subscriptions) || c->out_req.hook) return; channel_set_state(c, CS_START); @@ -565,11 +595,9 @@ channel_check_stopped(struct channel *c) } void -channel_import_stopped(void *_c) +channel_import_stopped(struct rt_import_request *req) { - struct channel *c = _c; - - c->in_req.hook = NULL; + struct channel *c = SKIP_BACK(struct channel, in_req, req); mb_free(c->in_req.name); c->in_req.name = NULL; @@ -590,6 +618,8 @@ channel_export_stopped(struct rt_export_request *req) c->refeeding = 1; c->refeed_pending = 0; + channel_reset_limit(c, &c->out_limit, PLD_OUT); + bmap_reset(&c->export_map, 1024); bmap_reset(&c->export_reject_map, 1024); @@ -603,13 +633,7 @@ channel_export_stopped(struct rt_export_request *req) bmap_free(&c->export_map); bmap_free(&c->export_reject_map); - if (c->restart_export) - { - c->restart_export = 0; - channel_start_export(c); - } - else - channel_check_stopped(c); + channel_check_stopped(c); } static void @@ -632,342 +656,72 @@ channel_feed_end(struct channel *c) return; } - if (c->out_table) - rt_refresh_end(&c->out_table->push); - else if (c->proto->feed_end) + if (c->proto->feed_end) c->proto->feed_end(c); if (c->refeed_pending) rt_stop_export(req, channel_export_stopped); -} - -#define CHANNEL_AUX_TABLE_DUMP_REQ(inout, imex, pgimex, pushget) static void \ - channel_##inout##_##pushget##_dump_req(struct rt_##pgimex##_request *req) { \ - struct channel_aux_table *cat = SKIP_BACK(struct channel_aux_table, pushget, req); \ - debug(" Channel %s.%s " #imex " table " #pushget " request %p\n", cat->c->proto->name, cat->c->name, req); } - -CHANNEL_AUX_TABLE_DUMP_REQ(in, import, import, push) -CHANNEL_AUX_TABLE_DUMP_REQ(in, import, export, get) -CHANNEL_AUX_TABLE_DUMP_REQ(out, export, import, push) -CHANNEL_AUX_TABLE_DUMP_REQ(out, export, export, get) - -#undef CHANNEL_AUX_TABLE_DUMP_REQ - -static uint channel_aux_imex(struct channel_aux_table *cat) -{ - if (cat->c->in_table == cat) - return 0; - else if (cat->c->out_table == cat) - return 1; else - bug("Channel aux table must be in_table or out_table"); -} - -static void -channel_aux_stopped(void *data) -{ - struct channel_aux_table *cat = data; - struct channel *c = cat->c; - - if (channel_aux_imex(cat)) - c->out_table = NULL; - else - c->in_table = NULL; - - rfree(cat->tab->priv.rp); - mb_free(cat); - channel_check_stopped(c); -} - -static void -channel_aux_import_stopped(void *_cat) -{ - struct channel_aux_table *cat = _cat; - cat->push.hook = NULL; + c->refeeding = 0; } -static void -channel_aux_export_stopped(struct rt_export_request *req) +/* Called by protocol for reload from in_table */ +void +channel_schedule_reload(struct channel *c) { - struct channel_aux_table *cat = SKIP_BACK(struct channel_aux_table, get, req); - req->hook = NULL; - - int del; - RT_LOCKED(cat->tab, t) - del = !!t->delete_event; - - if (del) - return; + ASSERT(c->in_req.hook); - ASSERT_DIE(cat->refeed_pending); - cat->refeed_pending = 0; - rt_request_export(cat->tab, req); + rt_refresh_begin(&c->in_req); + rt_request_export(c->table, &c->reload_req); } static void -channel_aux_stop(struct channel_aux_table *cat) +channel_reload_stopped(struct rt_export_request *req) { - RT_LOCKED(cat->tab, t) - { - t->delete_event = ev_new_init(t->rp, channel_aux_stopped, cat); - t->delete_event->list = proto_event_list(cat->c->proto); - } + struct channel *c = SKIP_BACK(struct channel, reload_req, req); - cat->push_stopped = (event) { - .hook = channel_aux_import_stopped, - .data = cat, - .list = proto_event_list(cat->c->proto), - }; - - rt_stop_import(&cat->push, &cat->push_stopped); - rt_stop_export(&cat->get, channel_aux_export_stopped); -} - -static void -channel_push_log_state_change(struct rt_import_request *req, u8 state) -{ - struct channel_aux_table *cat = SKIP_BACK(struct channel_aux_table, push, req); - const char *imex = channel_aux_imex(cat) ? "export" : "import"; - CD(cat->c, "Channel %s table import state changed to %s", imex, rt_import_state_name(state)); + /* Restart reload */ + if (c->reload_pending) + channel_request_reload(c); } static void -channel_get_log_state_change(struct rt_export_request *req, u8 state) -{ - struct channel_aux_table *cat = SKIP_BACK(struct channel_aux_table, get, req); - const char *imex = channel_aux_imex(cat) ? "export" : "import"; - CD(cat->c, "Channel %s table export state changed to %s", imex, rt_export_state_name(state)); - - switch (state) - { - case TES_FEEDING: - if (imex && cat->c->proto->feed_begin) - cat->c->proto->feed_begin(cat->c, !cat->c->refeeding); - else if (!imex) - rt_refresh_begin(&cat->c->in_req); - break; - - case TES_READY: - if (imex && cat->c->proto->feed_end) - cat->c->proto->feed_end(cat->c); - else if (!imex) - rt_refresh_end(&cat->c->in_req); - - if (cat->refeed_pending) - rt_stop_export(&cat->get, channel_aux_export_stopped); - - break; - } -} - -void rte_update_direct(struct channel *c, const net_addr *n, rte *new, struct rte_src *src); - -static int -channel_aux_export_one_any(struct rt_export_request *req, struct rt_pending_export *rpe, rte **new, rte **old) -{ - struct rte_src *src = rpe->new ? rpe->new->rte.src : rpe->old->rte.src; - *old = RTES_OR_NULL(rpe->old); - struct rte_storage *new_stored; - - while (rpe) - { - new_stored = rpe->new; - rpe_mark_seen(req->hook, rpe); - rpe = rpe_next(rpe, src); - } - - *new = RTES_CLONE(new_stored, *new); - - return (*new || *old) && (&new_stored->rte != *old); -} - -static int -channel_aux_export_one_best(struct rt_export_request *req, struct rt_pending_export *rpe, rte **new, rte **old) +channel_reload_log_state_change(struct rt_export_request *req, u8 state) { - *old = RTES_OR_NULL(rpe->old_best); - struct rte_storage *new_stored; + struct channel *c = SKIP_BACK(struct channel, reload_req, req); - while (rpe) + if (state == TES_READY) { - new_stored = rpe->new_best; - rpe_mark_seen(req->hook, rpe); - rpe = rpe_next(rpe, NULL); - } - - *new = RTES_CLONE(new_stored, *new); - - return (*new || *old) && (&new_stored->rte != *old); -} - -static void -channel_in_export_one_any(struct rt_export_request *req, const net_addr *net, struct rt_pending_export *rpe) -{ - struct channel_aux_table *cat = SKIP_BACK(struct channel_aux_table, get, req); - - rte n0, *new = &n0, *old; - if (channel_aux_export_one_any(req, rpe, &new, &old)) - rte_update_direct(cat->c, net, new, old ? old->src : new->src); -} - -static void -channel_in_export_one_best(struct rt_export_request *req, const net_addr *net, struct rt_pending_export *rpe) -{ - struct channel_aux_table *cat = SKIP_BACK(struct channel_aux_table, get, req); - - rte n0, *new = &n0, *old; - if (channel_aux_export_one_best(req, rpe, &new, &old)) - rte_update_direct(cat->c, net, new, old ? old->src : new->src); -} - -static void -channel_in_export_bulk_any(struct rt_export_request *req, const net_addr *net, struct rt_pending_export *rpe UNUSED, rte **feed, uint count) -{ - struct channel_aux_table *cat = SKIP_BACK(struct channel_aux_table, get, req); - for (uint i=0; i<count; i++) - { - rte n0 = *feed[i]; - rte_update_direct(cat->c, net, &n0, n0.src); + rt_refresh_end(&c->in_req); + rt_stop_export(req, channel_reload_stopped); } } static void -channel_in_export_bulk_best(struct rt_export_request *req, const net_addr *net, struct rt_pending_export *rpe UNUSED, rte **feed, uint count) -{ - struct channel_aux_table *cat = SKIP_BACK(struct channel_aux_table, get, req); - if (!count) - return; - - rte n0 = *feed[0]; - rte_update_direct(cat->c, net, &n0, n0.src); -} - -void do_rt_notify_direct(struct channel *c, const net_addr *net, rte *new, const rte *old); - -static void -channel_out_export_one_any(struct rt_export_request *req, const net_addr *net, struct rt_pending_export *rpe) +channel_reload_dump_req(struct rt_export_request *req) { - struct channel_aux_table *cat = SKIP_BACK(struct channel_aux_table, get, req); - rte n0, *new = &n0, *old; - if (channel_aux_export_one_any(req, rpe, &new, &old)) - do_rt_notify_direct(cat->c, net, new, old); + struct channel *c = SKIP_BACK(struct channel, reload_req, req); + debug(" Channel %s.%s import reload request %p\n", c->proto->name, c->name, req); } -static void -channel_out_export_one_best(struct rt_export_request *req, const net_addr *net, struct rt_pending_export *rpe) -{ - struct channel_aux_table *cat = SKIP_BACK(struct channel_aux_table, get, req); - rte n0, *new = &n0, *old; - if (channel_aux_export_one_best(req, rpe, &new, &old)) - do_rt_notify_direct(cat->c, net, new, old); -} - -static void -channel_out_export_bulk(struct rt_export_request *req, const net_addr *net, struct rt_pending_export *rpe UNUSED, rte **feed, uint count) -{ - struct channel_aux_table *cat = SKIP_BACK(struct channel_aux_table, get, req); - if (cat->c->ra_mode != RA_ANY) - ASSERT_DIE(count <= 1); - - for (uint i=0; i<count; i++) - { - rte n0 = *feed[i]; - do_rt_notify_direct(cat->c, net, &n0, NULL); - } -} +void channel_reload_export_bulk(struct rt_export_request *req, const net_addr *net, struct rt_pending_export *rpe, rte **feed, uint count); /* Called by protocol to activate in_table */ void -channel_setup_in_table(struct channel *c, int best) -{ - int nlen = sizeof("import") + strlen(c->name) + strlen(c->proto->name) + 3; - - struct { - struct channel_aux_table cat; - struct rtable_config tab_cf; - char name[0]; - } *cat = mb_allocz(c->proto->pool, sizeof(*cat) + nlen); - - bsprintf(cat->name, "%s.%s.import", c->proto->name, c->name); - - cat->tab_cf.name = cat->name; - cat->tab_cf.addr_type = c->net_type; - cat->tab_cf.cork_limit = 4 * page_size / sizeof(struct rt_pending_export); - - c->in_table = &cat->cat; - c->in_table->push = (struct rt_import_request) { - .name = cat->name, - .list = proto_work_list(c->proto), - .trace_routes = c->debug | c->proto->debug, - .dump_req = channel_in_push_dump_req, - .log_state_change = channel_push_log_state_change, - .preimport = channel_in_preimport, - }; - c->in_table->get = (struct rt_export_request) { - .name = cat->name, - .list = proto_work_list(c->proto), - .trace_routes = c->debug | c->proto->debug, - .dump_req = channel_in_get_dump_req, - .log_state_change = channel_get_log_state_change, - .export_one = best ? channel_in_export_one_best : channel_in_export_one_any, - .export_bulk = best ? channel_in_export_bulk_best : channel_in_export_bulk_any, - }; - - c->in_table->c = c; - c->in_table->tab = rt_setup(c->proto->pool, &cat->tab_cf); - - rt_request_import(c->in_table->tab, &c->in_table->push); - rt_request_export(c->in_table->tab, &c->in_table->get); -} - -/* Called by protocol to activate out_table */ -void -channel_setup_out_table(struct channel *c) +channel_setup_in_table(struct channel *c) { - int nlen = sizeof("export") + strlen(c->name) + strlen(c->proto->name) + 3; - - struct { - struct channel_aux_table cat; - struct rtable_config tab_cf; - char name[0]; - } *cat = mb_allocz(c->proto->pool, sizeof(*cat) + nlen); - - bsprintf(cat->name, "%s.%s.export", c->proto->name, c->name); - - cat->tab_cf.name = cat->name; - cat->tab_cf.addr_type = c->net_type; - cat->tab_cf.cork_limit = 4 * page_size / sizeof(struct rt_pending_export); - - c->out_table = &cat->cat; - c->out_table->push = (struct rt_import_request) { - .name = cat->name, - .list = proto_work_list(c->proto), - .trace_routes = c->debug | c->proto->debug, - .dump_req = channel_out_push_dump_req, - .log_state_change = channel_push_log_state_change, - }; - c->out_table->get = (struct rt_export_request) { - .name = cat->name, + c->reload_req = (struct rt_export_request) { + .name = mb_sprintf(c->proto->pool, "%s.%s.import", c->proto->name, c->name), .list = proto_work_list(c->proto), .trace_routes = c->debug | c->proto->debug, - .dump_req = channel_out_get_dump_req, - .log_state_change = channel_get_log_state_change, - .export_one = (c->ra_mode == RA_ANY) ? channel_out_export_one_any : channel_out_export_one_best, - .export_bulk = channel_out_export_bulk, + .export_bulk = channel_reload_export_bulk, + .dump_req = channel_reload_dump_req, + .log_state_change = channel_reload_log_state_change, }; - c->out_table->c = c; - c->out_table->tab = rt_setup(c->proto->pool, &cat->tab_cf); - - rt_request_import(c->out_table->tab, &c->out_table->push); - rt_request_export(c->out_table->tab, &c->out_table->get); + c->in_keep |= RIK_PREFILTER; } -static void -channel_aux_request_refeed(struct channel_aux_table *cat) -{ - cat->refeed_pending = 1; - rt_stop_export(&cat->get, channel_aux_export_stopped); -} static void channel_do_start(struct channel *c) @@ -993,36 +747,28 @@ channel_do_up(struct channel *c) static void channel_do_pause(struct channel *c) { - /* Stop export */ - if (c->out_req.hook) + /* Need to abort feeding */ + if (c->reload_req.hook) { - rt_stop_export(&c->out_req, channel_export_stopped); - c->refeeding = 0; + c->reload_pending = 0; + rt_stop_export(&c->reload_req, channel_reload_stopped); } + /* Stop export */ + if (c->refeed_pending) + c->refeed_pending = 0; + else if (c->out_req.hook) + rt_stop_export(&c->out_req, channel_export_stopped); + channel_roa_unsubscribe_all(c); } static void channel_do_stop(struct channel *c) { - /* Drop auxiliary tables */ - if (c->in_table) - channel_aux_stop(c->in_table); - - if (c->out_table) - channel_aux_stop(c->out_table); - /* Stop import */ if (c->in_req.hook) - { - c->in_stopped = (event) { - .hook = channel_import_stopped, - .data = c, - .list = proto_event_list(c->proto), - }; - rt_stop_import(&c->in_req, &c->in_stopped); - } + rt_stop_import(&c->in_req, channel_import_stopped); c->gr_wait = 0; if (c->gr_lock) @@ -1030,19 +776,22 @@ channel_do_stop(struct channel *c) CALL(c->channel->shutdown, c); - channel_roa_unsubscribe_all(c); } static void channel_do_down(struct channel *c) { - ASSERT(!c->out_req.hook && !c->in_req.hook && !c->out_table && !c->in_table); + ASSERT(!c->reload_req.hook); c->proto->active_channels--; memset(&c->import_stats, 0, sizeof(struct channel_import_stats)); memset(&c->export_stats, 0, sizeof(struct channel_export_stats)); + c->out_table = NULL; + + /* The in_table and out_table are going to be freed by freeing their resource pools. */ + CALL(c->channel->cleanup, c); /* Schedule protocol shutddown */ @@ -1073,7 +822,7 @@ channel_set_state(struct channel *c, uint state) break; case CS_UP: - ASSERT(cs == CS_DOWN || cs == CS_START || cs == CS_PAUSE); + ASSERT(cs == CS_DOWN || cs == CS_START); if (cs == CS_DOWN) channel_do_start(c); @@ -1123,32 +872,19 @@ channel_set_state(struct channel *c, uint state) * completed, it will switch back to ES_READY. This function can be called * even when feeding is already running, in that case it is restarted. */ -static void -channel_request_table_feeding(struct channel *c) -{ - ASSERT(c->out_req.hook); - - c->refeed_pending = 1; - rt_stop_export(&c->out_req, channel_export_stopped); -} - void channel_request_feeding(struct channel *c) { - if (c->gr_wait || !c->proto->rt_notify) - return; - - CD(c, "Refeed requested"); + ASSERT(c->out_req.hook); - ASSERT_DIE(c->out_req.hook); + if (c->refeed_pending) + return; - if (c->out_table) - channel_aux_request_refeed(c->out_table); - else - channel_request_table_feeding(c); + c->refeed_pending = 1; + rt_stop_export(&c->out_req, channel_export_stopped); } -void +static void channel_request_reload(struct channel *c) { ASSERT(c->in_req.hook); @@ -1156,31 +892,12 @@ channel_request_reload(struct channel *c) CD(c, "Reload requested"); - if (c->in_table) - channel_aux_request_refeed(c->in_table); + if (c->in_keep & RIK_PREFILTER) + channel_schedule_reload(c); else c->proto->reload_routes(c); } -void -channel_refresh_begin(struct channel *c) -{ - CD(c, "Channel route refresh begin"); - if (c->in_table) - rt_refresh_begin(&c->in_table->push); - else - rt_refresh_begin(&c->in_req); -} - -void -channel_refresh_end(struct channel *c) -{ - if (c->in_table) - rt_refresh_end(&c->in_table->push); - else - rt_refresh_end(&c->in_req); -} - const struct channel_class channel_basic = { .channel_size = sizeof(struct channel), .config_size = sizeof(struct channel_config) @@ -1200,7 +917,7 @@ channel_config_new(const struct channel_class *cc, const char *name, uint net_ty if (proto->net_type && (net_type != proto->net_type)) cf_error("Different channel type"); - tab = new_config->def_tables[net_type]; + tab = rt_get_default_table(new_config, net_type); } if (!cc) @@ -1219,6 +936,11 @@ channel_config_new(const struct channel_class *cc, const char *name, uint net_ty cf->debug = new_config->channel_default_debug; cf->rpki_reload = 1; + cf->roa_settle = (struct settle_config) { + .min = 1 S, + .max = 20 S, + }; + add_tail(&proto->channels, &cf->n); return cf; @@ -1264,7 +986,12 @@ int channel_reconfigure(struct channel *c, struct channel_config *cf) { /* FIXME: better handle these changes, also handle in_keep_filtered */ - if ((c->table != cf->table->table) || (cf->ra_mode && (c->ra_mode != cf->ra_mode))) + if ((c->table != cf->table->table) || + (cf->ra_mode && (c->ra_mode != cf->ra_mode)) || + (cf->in_keep != c->in_keep) || + cf->out_subprefix && c->out_subprefix && + !net_equal(cf->out_subprefix, c->out_subprefix) || + (!cf->out_subprefix != !c->out_subprefix)) return 0; /* Note that filter_same() requires arguments in (new, old) order */ @@ -1289,11 +1016,27 @@ channel_reconfigure(struct channel *c, struct channel_config *cf) // c->ra_mode = cf->ra_mode; c->merge_limit = cf->merge_limit; c->preference = cf->preference; + c->out_req.addr = c->out_subprefix = cf->out_subprefix; c->debug = cf->debug; c->in_req.trace_routes = c->out_req.trace_routes = c->debug | c->proto->debug; - c->in_keep_filtered = cf->in_keep_filtered; c->rpki_reload = cf->rpki_reload; + if ( (c->roa_settle.min != cf->roa_settle.min) + || (c->roa_settle.max != cf->roa_settle.max)) + { + c->roa_settle = cf->roa_settle; + + struct roa_subscription *s; + node *n; + + WALK_LIST2(s, n, c->roa_subscriptions, roa_node) + { + s->settle.cf = cf->roa_settle; + if (settle_active(&s->settle)) + settle_kick(&s->settle, &main_birdloop); + } + } + /* Execute channel-specific reconfigure hook */ if (c->channel->reconfigure && !c->channel->reconfigure(c, cf, &import_changed, &export_changed)) return 0; @@ -1336,7 +1079,7 @@ channel_reconfigure(struct channel *c, struct channel_config *cf) channel_request_reload(c); if (export_changed) - channel_request_table_feeding(c); + channel_request_feeding(c); done: CD(c, "Reconfigured"); @@ -1403,7 +1146,6 @@ proto_loop_stopped(void *ptr) birdloop_enter(&main_birdloop); p->loop = &main_birdloop; - p->event->list = NULL; proto_cleanup(p); birdloop_leave(&main_birdloop); @@ -1486,21 +1228,13 @@ proto_start(struct proto *p) DBG("Kicking %s up\n", p->name); PD(p, "Starting"); - int ns = strlen("Protocol ") + strlen(p->cf->name) + 1; - void *nb = mb_alloc(proto_pool, ns); - ASSERT_DIE(ns - 1 == bsnprintf(nb, ns, "Protocol %s", p->cf->name)); - - p->pool = rp_new(proto_pool, nb); + p->pool = rp_newf(proto_pool, "Protocol %s", p->cf->name); if (graceful_restart_state == GRS_INIT) p->gr_recovery = 1; if (p->cf->loop_order != DOMAIN_ORDER(the_bird)) - p->loop = birdloop_new(p->pool, p->cf->loop_order, nb); - - p->event->list = proto_event_list(p); - - mb_move(nb, p->pool); + p->loop = birdloop_new(p->pool, p->cf->loop_order, p->pool->name); PROTO_LOCKED_FROM_MAIN(p) proto_notify_state(p, (p->proto->start ? p->proto->start(p) : PS_UP)); @@ -2069,7 +1803,7 @@ protos_dump_all(void) WALK_LIST(p, proto_list) { #define DPF(x) (p->x ? " " #x : "") - debug(" protocol %s (%p) state %s with %d active channels flags: %s%s%s%s\n", + debug(" protocol %s (%p) state %s with %d active channels flags: %s%s%s%s%s\n", p->name, p, p_states[p->proto_state], p->active_channels, DPF(disabled), DPF(active), DPF(do_stop), DPF(reconfiguring)); #undef DPF @@ -2085,20 +1819,6 @@ protos_dump_all(void) debug("\tChannel state: %s/%s/%s\n", c_states[c->channel_state], c->in_req.hook ? rt_import_state_name(rt_import_get_state(c->in_req.hook)) : "-", c->out_req.hook ? rt_export_state_name(rt_export_get_state(c->out_req.hook)) : "-"); - if (c->in_table) - { - debug("\tInput aux table:\n"); - rt_dump_hooks(c->in_table->tab); - rt_dump(c->in_table->tab); - debug("\tEnd of input aux table.\n"); - } - if (c->out_table) - { - debug("\tOutput aux table:\n"); - rt_dump_hooks(c->in_table->tab); - rt_dump(c->in_table->tab); - debug("\tEnd of output aux table.\n"); - } } if (p->proto->dump && (p->proto_state != PS_DOWN)) @@ -2118,14 +1838,13 @@ void proto_build(struct protocol *p) { add_tail(&protocol_list, &p->n); - ASSERT(p->class); - ASSERT(!class_to_protocol[p->class]); - class_to_protocol[p->class] = p; } /* FIXME: convert this call to some protocol hook */ extern void bfd_init_all(void); +void protos_build_gen(void); + /** * protos_build - build a protocol list * @@ -2138,44 +1857,7 @@ extern void bfd_init_all(void); void protos_build(void) { - init_list(&proto_list); - init_list(&protocol_list); - - proto_build(&proto_device); -#ifdef CONFIG_RADV - proto_build(&proto_radv); -#endif -#ifdef CONFIG_RIP - proto_build(&proto_rip); -#endif -#ifdef CONFIG_STATIC - proto_build(&proto_static); -#endif -#ifdef CONFIG_MRT - proto_build(&proto_mrt); -#endif -#ifdef CONFIG_OSPF - proto_build(&proto_ospf); -#endif -#ifdef CONFIG_PIPE - proto_build(&proto_pipe); -#endif -#ifdef CONFIG_BGP - proto_build(&proto_bgp); -#endif -#ifdef CONFIG_BFD - proto_build(&proto_bfd); - bfd_init_all(); -#endif -#ifdef CONFIG_BABEL - proto_build(&proto_babel); -#endif -#ifdef CONFIG_RPKI - proto_build(&proto_rpki); -#endif -#ifdef CONFIG_PERF - proto_build(&proto_perf); -#endif + protos_build_gen(); proto_pool = rp_new(&root_pool, "Protocols"); proto_shutdown_timer = tm_new(proto_pool); @@ -2362,7 +2044,7 @@ proto_do_start(struct proto *p) { p->active = 1; - rt_init_sources(&p->sources, p->name, proto_work_list(p)); + rt_init_sources(&p->sources, p->name, proto_event_list(p)); if (!p->sources.class) p->sources.class = &default_rte_owner_class; @@ -2522,18 +2204,18 @@ channel_show_stats(struct channel *c) u32 in_routes = c->in_limit.count; u32 out_routes = c->out_limit.count; - if (c->in_keep_filtered) + if (c->in_keep) cli_msg(-1006, " Routes: %u imported, %u filtered, %u exported, %u preferred", in_routes, (rx_routes - in_routes), out_routes, SRI(pref)); else cli_msg(-1006, " Routes: %u imported, %u exported, %u preferred", in_routes, out_routes, SRI(pref)); - cli_msg(-1006, " Route change stats: received rejected filtered ignored limited accepted"); - cli_msg(-1006, " Import updates: %10u %10u %10u %10u %10u %10u", + cli_msg(-1006, " Route change stats: received rejected filtered ignored RX limit IN limit accepted"); + cli_msg(-1006, " Import updates: %10u %10u %10u %10u %10u %10u %10u", SCI(updates_received), SCI(updates_invalid), SCI(updates_filtered), SRI(updates_ignored), - SCI(updates_limited_rx) + SCI(updates_limited_in), + SCI(updates_limited_rx), SCI(updates_limited_in), SRI(updates_accepted)); cli_msg(-1006, " Import withdraws: %10u %10u --- %10u --- %10u", SCI(withdraws_received), SCI(withdraws_invalid), |