diff --git a/filter/config.Y b/filter/config.Y index f27fbbaa..15b77761 100644 --- a/filter/config.Y +++ b/filter/config.Y @@ -248,10 +248,6 @@ assert_assign(struct f_lval *lval, struct f_inst *expr, const char *start, const setter = f_new_inst(FI_VAR_SET, expr, lval->sym); getter = f_new_inst(FI_VAR_GET, lval->sym); break; - case F_LVAL_PREFERENCE: - setter = f_new_inst(FI_PREF_SET, expr); - getter = f_new_inst(FI_PREF_GET); - break; case F_LVAL_SA: setter = f_new_inst(FI_RTA_SET, expr, lval->sa); getter = f_new_inst(FI_RTA_GET, lval->sa); @@ -759,6 +755,7 @@ static_attr: | IFNAME { $$ = f_new_static_attr(T_STRING, SA_IFNAME, 0); } | IFINDEX { $$ = f_new_static_attr(T_INT, SA_IFINDEX, 1); } | WEIGHT { $$ = f_new_static_attr(T_INT, SA_WEIGHT, 0); } + | PREFERENCE { $$ = f_new_static_attr(T_INT, SA_PREF, 0); } | GW_MPLS { $$ = f_new_static_attr(T_INT, SA_GW_MPLS, 0); } ; @@ -785,8 +782,6 @@ term: | constant { $$ = $1; } | constructor { $$ = $1; } - | PREFERENCE { $$ = f_new_inst(FI_PREF_GET); } - | static_attr { $$ = f_new_inst(FI_RTA_GET, $1); } | dynamic_attr { $$ = f_new_inst(FI_EA_GET, $1); } @@ -884,9 +879,6 @@ cmd: cf_error( "This static attribute is read-only."); $$ = f_new_inst(FI_RTA_SET, $3, $1); } - | PREFERENCE '=' term ';' { - $$ = f_new_inst(FI_PREF_SET, $3); - } | UNSET '(' dynamic_attr ')' ';' { $$ = f_new_inst(FI_EA_UNSET, $3); } @@ -929,7 +921,6 @@ get_cf_position: lvalue: CF_SYM_KNOWN { cf_assert_symbol($1, SYM_VARIABLE); $$ = (struct f_lval) { .type = F_LVAL_VARIABLE, .sym = $1 }; } - | PREFERENCE { $$ = (struct f_lval) { .type = F_LVAL_PREFERENCE }; } | static_attr { $$ = (struct f_lval) { .type = F_LVAL_SA, .sa = $1 }; } | dynamic_attr { $$ = (struct f_lval) { .type = F_LVAL_EA, .da = $1 }; }; diff --git a/filter/data.h b/filter/data.h index 4cb6b7a8..6d588204 100644 --- a/filter/data.h +++ b/filter/data.h @@ -100,6 +100,7 @@ enum f_sa_code { SA_IFNAME, SA_IFINDEX, SA_WEIGHT, + SA_PREF, SA_GW_MPLS, } PACKED; diff --git a/filter/f-inst.c b/filter/f-inst.c index a88021e6..83d86295 100644 --- a/filter/f-inst.c +++ b/filter/f-inst.c @@ -526,13 +526,14 @@ case SA_FROM: RESULT(sa.f_type, ip, rta->from); break; case SA_GW: RESULT(sa.f_type, ip, rta->nh.gw); break; case SA_NET: RESULT(sa.f_type, net, (*fs->rte)->net->n.addr); break; - case SA_PROTO: RESULT(sa.f_type, s, rta->src->proto->name); break; + case SA_PROTO: RESULT(sa.f_type, s, (*fs->rte)->src->proto->name); break; case SA_SOURCE: RESULT(sa.f_type, i, rta->source); break; case SA_SCOPE: RESULT(sa.f_type, i, rta->scope); break; case SA_DEST: RESULT(sa.f_type, i, rta->dest); break; case SA_IFNAME: RESULT(sa.f_type, s, rta->nh.iface ? rta->nh.iface->name : ""); break; case SA_IFINDEX: RESULT(sa.f_type, i, rta->nh.iface ? rta->nh.iface->index : 0); break; case SA_WEIGHT: RESULT(sa.f_type, i, rta->nh.weight + 1); break; + case SA_PREF: RESULT(sa.f_type, i, rta->pref); break; case SA_GW_MPLS: RESULT(sa.f_type, i, rta->nh.labels ? rta->nh.label[0] : MPLS_NULL); break; default: @@ -561,7 +562,7 @@ { ip_addr ip = v1.val.ip; struct iface *ifa = ipa_is_link_local(ip) ? rta->nh.iface : NULL; - neighbor *n = neigh_find(rta->src->proto, ip, ifa, 0); + neighbor *n = neigh_find((*fs->rte)->src->proto, ip, ifa, 0); if (!n || (n->scope == SCOPE_HOST)) runtime( "Invalid gw address" ); @@ -637,6 +638,10 @@ } break; + case SA_PREF: + rta->pref = v1.val.i; + break; + default: bug("Invalid static attribute access (%u/%u)", sa.f_type, sa.sa_code); } @@ -804,20 +809,6 @@ } } - INST(FI_PREF_GET, 0, 1) { - ACCESS_RTE; - RESULT(T_INT, i, (*fs->rte)->pref); - } - - INST(FI_PREF_SET, 1, 0) { - ACCESS_RTE; - ARG(1,T_INT); - if (v1.val.i > 0xFFFF) - runtime( "Setting preference value out of bounds" ); - f_rte_cow(fs); - (*fs->rte)->pref = v1.val.i; - } - INST(FI_LENGTH, 1, 1) { /* Get length of */ ARG_ANY(1); switch(v1.type) { diff --git a/lib/hash.h b/lib/hash.h index ea4ca6dd..8febb33f 100644 --- a/lib/hash.h +++ b/lib/hash.h @@ -215,6 +215,12 @@ mem_hash_mix(u64 *h, const void *p, uint s) *h = *h * multiplier + pp[i]; } +static inline void +mem_hash_mix_num(u64 *h, u64 val) +{ + mem_hash_mix(h, &val, sizeof(val)); +} + static inline uint mem_hash_value(u64 *h) { diff --git a/nest/route.h b/nest/route.h index 75890a71..19c13538 100644 --- a/nest/route.h +++ b/nest/route.h @@ -255,12 +255,12 @@ struct hostentry { typedef struct rte { struct rte *next; net *net; /* Network this RTE belongs to */ + struct rte_src *src; /* Route source that created the route */ struct channel *sender; /* Channel used to send the route to the routing table */ struct rta *attrs; /* Attributes of this route */ u32 id; /* Table specific route id */ byte flags; /* Flags (REF_...) */ byte pflags; /* Protocol-specific flags */ - word pref; /* Route preference */ btime lastmod; /* Last modified */ union { /* Protocol-dependent data (metrics etc.) */ #ifdef CONFIG_RIP @@ -352,7 +352,7 @@ net *net_get(rtable *tab, const net_addr *addr); net *net_route(rtable *tab, const net_addr *n); int net_roa_check(rtable *tab, const net_addr *n, u32 asn); rte *rte_find(net *net, struct rte_src *src); -rte *rte_get_temp(struct rta *); +rte *rte_get_temp(struct rta *, struct rte_src *src); void rte_update2(struct channel *c, const net_addr *n, rte *new, struct rte_src *src); /* rte_update() moved to protocol.h to avoid dependency conflicts */ int rt_examine(rtable *t, net_addr *a, struct proto *p, const struct filter *filter); @@ -487,14 +487,14 @@ typedef struct rta { u32 uc; /* Use count */ u32 hash_key; /* Hash over important fields */ struct ea_list *eattrs; /* Extended Attribute chain */ - struct rte_src *src; /* Route source that created the route */ struct hostentry *hostentry; /* Hostentry for recursive next-hops */ ip_addr from; /* Advertising router */ u32 igp_metric; /* IGP metric to next hop (for iBGP routes) */ - u8 source; /* Route source (RTS_...) */ - u8 scope; /* Route scope (SCOPE_... -- see ip.h) */ - u8 dest; /* Route destination type (RTD_...) */ - u8 aflags; + u16 cached:1; /* Are attributes cached? */ + u16 source:7; /* Route source (RTS_...) */ + u16 scope:4; /* Route scope (SCOPE_... -- see ip.h) */ + u16 dest:4; /* Route destination type (RTD_...) */ + word pref; struct nexthop nh; /* Next hop */ } rta; @@ -516,11 +516,6 @@ typedef struct rta { #define RTS_PERF 15 /* Perf checker */ #define RTS_MAX 16 -#define RTC_UNICAST 0 -#define RTC_BROADCAST 1 -#define RTC_MULTICAST 2 -#define RTC_ANYCAST 3 /* IPv6 Anycast */ - #define RTD_NONE 0 /* Undefined next hop */ #define RTD_UNICAST 1 /* Next hop is neighbor router */ #define RTD_BLACKHOLE 2 /* Silently drop packets */ @@ -528,8 +523,6 @@ typedef struct rta { #define RTD_PROHIBIT 4 /* Administratively prohibited */ #define RTD_MAX 5 -#define RTAF_CACHED 1 /* This is a cached rta */ - #define IGP_METRIC_UNKNOWN 0x80000000 /* Default igp_metric used when no other protocol-specific metric is availabe */ @@ -718,7 +711,7 @@ void rta_init(void); static inline size_t rta_size(const rta *a) { return sizeof(rta) + sizeof(u32)*a->nh.labels; } #define RTA_MAX_SIZE (sizeof(rta) + sizeof(u32)*MPLS_MAX_LABEL_STACK) rta *rta_lookup(rta *); /* Get rta equivalent to this one, uc++ */ -static inline int rta_is_cached(rta *r) { return r->aflags & RTAF_CACHED; } +static inline int rta_is_cached(rta *r) { return r->cached; } static inline rta *rta_clone(rta *r) { r->uc++; return r; } void rta__free(rta *r); static inline void rta_free(rta *r) { if (r && !--r->uc) rta__free(r); } diff --git a/nest/rt-attr.c b/nest/rt-attr.c index c630aa95..4057bf37 100644 --- a/nest/rt-attr.c +++ b/nest/rt-attr.c @@ -1104,13 +1104,14 @@ rta_hash(rta *a) u64 h; mem_hash_init(&h); #define MIX(f) mem_hash_mix(&h, &(a->f), sizeof(a->f)); - MIX(src); +#define BMIX(f) mem_hash_mix_num(&h, a->f); MIX(hostentry); MIX(from); MIX(igp_metric); - MIX(source); - MIX(scope); - MIX(dest); + BMIX(source); + BMIX(scope); + BMIX(dest); + MIX(pref); #undef MIX return mem_hash_value(&h) ^ nexthop_hash(&(a->nh)) ^ ea_hash(a->eattrs); @@ -1119,8 +1120,7 @@ rta_hash(rta *a) static inline int rta_same(rta *x, rta *y) { - return (x->src == y->src && - x->source == y->source && + return (x->source == y->source && x->scope == y->scope && x->dest == y->dest && x->igp_metric == y->igp_metric && @@ -1198,7 +1198,7 @@ rta_lookup(rta *o) rta *r; uint h; - ASSERT(!(o->aflags & RTAF_CACHED)); + ASSERT(!o->cached); if (o->eattrs) ea_normalize(o->eattrs); @@ -1209,8 +1209,7 @@ rta_lookup(rta *o) r = rta_copy(o); r->hash_key = h; - r->aflags = RTAF_CACHED; - rt_lock_source(r->src); + r->cached = 1; rt_lock_hostentry(r->hostentry); rta_insert(r); @@ -1223,17 +1222,16 @@ rta_lookup(rta *o) void rta__free(rta *a) { - ASSERT(rta_cache_count && (a->aflags & RTAF_CACHED)); + ASSERT(rta_cache_count && a->cached); rta_cache_count--; *a->pprev = a->next; if (a->next) a->next->pprev = a->pprev; rt_unlock_hostentry(a->hostentry); - rt_unlock_source(a->src); if (a->nh.next) nexthop_free(a->nh.next); ea_free(a->eattrs); - a->aflags = 0; /* Poison the entry */ + a->cached = 0; sl_free(rta_slab(a), a); } @@ -1248,7 +1246,7 @@ rta_do_cow(rta *o, linpool *lp) memcpy(*nhn, nho, nexthop_size(nho)); nhn = &((*nhn)->next); } - r->aflags = 0; + r->cached = 0; r->uc = 0; return r; } @@ -1268,10 +1266,10 @@ rta_dump(rta *a) "RTS_OSPF_EXT2", "RTS_BGP", "RTS_PIPE", "RTS_BABEL" }; static char *rtd[] = { "", " DEV", " HOLE", " UNREACH", " PROHIBIT" }; - debug("p=%s uc=%d %s %s%s h=%04x", - a->src->proto->name, a->uc, rts[a->source], ip_scope_text(a->scope), + debug("pref=%d uc=%d %s %s%s h=%04x", + a->pref, a->uc, rts[a->source], ip_scope_text(a->scope), rtd[a->dest], a->hash_key); - if (!(a->aflags & RTAF_CACHED)) + if (!a->cached) debug(" !CACHED"); debug(" <-%I", a->from); if (a->dest == RTD_UNICAST) diff --git a/nest/rt-dev.c b/nest/rt-dev.c index 61f025ce..e2e65926 100644 --- a/nest/rt-dev.c +++ b/nest/rt-dev.c @@ -83,7 +83,7 @@ dev_ifa_notify(struct proto *P, uint flags, struct ifa *ad) struct rte_src *src = rt_get_source(P, ad->iface->index); rta a0 = { - .src = src, + .pref = c->preference, .source = RTS_DEVICE, .scope = SCOPE_UNIVERSE, .dest = RTD_UNICAST, @@ -91,7 +91,7 @@ dev_ifa_notify(struct proto *P, uint flags, struct ifa *ad) }; a = rta_lookup(&a0); - e = rte_get_temp(a); + e = rte_get_temp(a, src); e->pflags = 0; rte_update2(c, net, e, src); } diff --git a/nest/rt-show.c b/nest/rt-show.c index b24befa2..35342180 100644 --- a/nest/rt-show.c +++ b/nest/rt-show.c @@ -57,17 +57,17 @@ rt_show_rte(struct cli *c, byte *ia, rte *e, struct rt_show_data *d, int primary if (d->verbose && !rta_is_cached(a) && a->eattrs) ea_normalize(a->eattrs); - get_route_info = a->src->proto->proto->get_route_info; + get_route_info = e->src->proto->proto->get_route_info; if (get_route_info) get_route_info(e, info); else - bsprintf(info, " (%d)", e->pref); + bsprintf(info, " (%d)", a->pref); if (d->last_table != d->tab) rt_show_table(c, d); cli_printf(c, -1007, "%-20s %s [%s %s%s]%s%s", ia, rta_dest_name(a->dest), - a->src->proto->name, tm, from, primary ? (sync_error ? " !" : " *") : "", info); + e->src->proto->name, tm, from, primary ? (sync_error ? " !" : " *") : "", info); if (a->dest == RTD_UNICAST) for (nh = &(a->nh); nh; nh = nh->next) @@ -180,7 +180,7 @@ rt_show_net(struct cli *c, net *n, struct rt_show_data *d) } } - if (d->show_protocol && (d->show_protocol != e->attrs->src->proto)) + if (d->show_protocol && (d->show_protocol != e->src->proto)) goto skip; if (f_run(d->filter, &e, c->show_pool, 0) > F_ACCEPT) diff --git a/nest/rt-table.c b/nest/rt-table.c index 36bf1364..65ff2a59 100644 --- a/nest/rt-table.c +++ b/nest/rt-table.c @@ -548,7 +548,7 @@ rte_find(net *net, struct rte_src *src) { rte *e = net->routes; - while (e && e->attrs->src != src) + while (e && e->src != src) e = e->next; return e; } @@ -563,14 +563,14 @@ rte_find(net *net, struct rte_src *src) * the protocol. */ rte * -rte_get_temp(rta *a) +rte_get_temp(rta *a, struct rte_src *src) { rte *e = sl_alloc(rte_slab); e->attrs = a; e->id = 0; e->flags = 0; - e->pref = 0; + rt_lock_source(e->src = src); return e; } @@ -580,6 +580,8 @@ rte_do_cow(rte *r) rte *e = sl_alloc(rte_slab); memcpy(e, r, sizeof(rte)); + + rt_lock_source(e->src); e->attrs = rta_clone(r->attrs); e->flags = 0; return e; @@ -626,6 +628,7 @@ rte_cow_rta(rte *r, linpool *lp) void rte_free(rte *e) { + rt_unlock_source(e->src); if (rta_is_cached(e->attrs)) rta_free(e->attrs); sl_free(rte_slab, e); @@ -634,6 +637,7 @@ rte_free(rte *e) static inline void rte_free_quick(rte *e) { + rt_unlock_source(e->src); rta_free(e->attrs); sl_free(rte_slab, e); } @@ -758,7 +762,7 @@ void rte_make_tmp_attrs(rte **r, linpool *lp, rta **old_attrs) { void (*make_tmp_attrs)(rte *r, linpool *lp); - make_tmp_attrs = (*r)->attrs->src->proto->make_tmp_attrs; + make_tmp_attrs = (*r)->src->proto->make_tmp_attrs; if (!make_tmp_attrs) return; @@ -787,7 +791,7 @@ static void rte_store_tmp_attrs(rte *r, linpool *lp, rta *old_attrs) { void (*store_tmp_attrs)(rte *rt, linpool *lp); - store_tmp_attrs = r->attrs->src->proto->store_tmp_attrs; + store_tmp_attrs = r->src->proto->store_tmp_attrs; if (!store_tmp_attrs) return; @@ -817,20 +821,20 @@ rte_better(rte *new, rte *old) if (!rte_is_valid(new)) return 0; - if (new->pref > old->pref) + if (new->attrs->pref > old->attrs->pref) return 1; - if (new->pref < old->pref) + if (new->attrs->pref < old->attrs->pref) return 0; - if (new->attrs->src->proto->proto != old->attrs->src->proto->proto) + if (new->src->proto->proto != old->src->proto->proto) { /* * If the user has configured protocol preferences, so that two different protocols * have the same preference, try to break the tie by comparing addresses. Not too * useful, but keeps the ordering of routes unambiguous. */ - return new->attrs->src->proto->proto > old->attrs->src->proto->proto; + return new->src->proto->proto > old->src->proto->proto; } - if (better = new->attrs->src->proto->rte_better) + if (better = new->src->proto->rte_better) return better(new, old); return 0; } @@ -843,13 +847,13 @@ rte_mergable(rte *pri, rte *sec) if (!rte_is_valid(pri) || !rte_is_valid(sec)) return 0; - if (pri->pref != sec->pref) + if (pri->attrs->pref != sec->attrs->pref) return 0; - if (pri->attrs->src->proto->proto != sec->attrs->src->proto->proto) + if (pri->src->proto->proto != sec->src->proto->proto) return 0; - if (mergable = pri->attrs->src->proto->rte_mergable) + if (mergable = pri->src->proto->rte_mergable) return mergable(pri, sec); return 0; @@ -1377,8 +1381,8 @@ rte_same(rte *x, rte *y) return x->attrs == y->attrs && x->pflags == y->pflags && - x->pref == y->pref && - (!x->attrs->src->proto->rte_same || x->attrs->src->proto->rte_same(x, y)) && + x->src == y->src && + (!x->src->proto->rte_same || x->src->proto->rte_same(x, y)) && rte_is_filtered(x) == rte_is_filtered(y); } @@ -1399,7 +1403,7 @@ rte_recalculate(struct channel *c, net *net, rte *new, struct rte_src *src) k = &net->routes; /* Find and remove original route from the same protocol */ while (old = *k) { - if (old->attrs->src == src) + if (old->src == src) { /* If there is the same route in the routing table but from * a different sender, then there are two paths from the @@ -1766,9 +1770,6 @@ rte_update2(struct channel *c, const net_addr *n, rte *new, struct rte_src *src) new->net = nn; new->sender = c; - if (!new->pref) - new->pref = c->preference; - stats->imp_updates_received++; if (!rte_validate(new)) { @@ -1863,7 +1864,7 @@ static inline void rte_discard(rte *old) /* Non-filtered route deletion, used during garbage collection */ { rte_update_lock(); - rte_recalculate(old->sender, old->net, NULL, old->attrs->src); + rte_recalculate(old->sender, old->net, NULL, old->src); rte_update_unlock(); } @@ -1883,7 +1884,7 @@ rte_modify(rte *old) new->flags = (old->flags & ~REF_MODIFY) | REF_COW; } - rte_recalculate(old->sender, old->net, new, old->attrs->src); + rte_recalculate(old->sender, old->net, new, old->src); } rte_update_unlock(); @@ -2007,10 +2008,10 @@ rte_dump(rte *e) { net *n = e->net; debug("%-1N ", n->n.addr); - debug("PF=%02x pref=%d ", e->pflags, e->pref); + debug("PF=%02x ", e->pflags); rta_dump(e->attrs); - if (e->attrs->src->proto->proto->dump_attrs) - e->attrs->src->proto->proto->dump_attrs(e); + if (e->src->proto->proto->dump_attrs) + e->src->proto->proto->dump_attrs(e); debug("\n"); } @@ -2724,11 +2725,12 @@ rt_next_hop_update_rte(rtable *tab UNUSED, rte *old) memcpy(mls.stack, &a->nh.label[a->nh.labels - mls.len], mls.len * sizeof(u32)); rta_apply_hostentry(a, old->attrs->hostentry, &mls); - a->aflags = 0; + a->cached = 0; rte *e = sl_alloc(rte_slab); memcpy(e, old, sizeof(rte)); e->attrs = rta_lookup(a); + rt_lock_source(e->src); return e; } @@ -2856,7 +2858,7 @@ rt_flowspec_update_rte(rtable *tab, rte *r) return NULL; const net_addr *n = r->net->n.addr; - struct bgp_proto *p = (void *) r->attrs->src->proto; + struct bgp_proto *p = (void *) r->src->proto; int valid = rt_flowspec_check(r->u.bgp.base_table, tab, n, r->attrs, p->is_interior); int dest = valid ? RTD_NONE : RTD_UNREACHABLE; @@ -2866,7 +2868,7 @@ rt_flowspec_update_rte(rtable *tab, rte *r) rta *a = alloca(RTA_MAX_SIZE); memcpy(a, r->attrs, rta_size(r->attrs)); a->dest = dest; - a->aflags = 0; + a->cached = 0; rte *new = sl_alloc(rte_slab); memcpy(new, r, sizeof(rte)); @@ -2906,8 +2908,8 @@ rt_next_hop_update_net(rtable *tab, net *n) /* Call a pre-comparison hook */ /* Not really an efficient way to compute this */ - if (e->attrs->src->proto->rte_recalculate) - e->attrs->src->proto->rte_recalculate(tab, n, new, e, NULL); + if (e->src->proto->rte_recalculate) + e->src->proto->rte_recalculate(tab, n, new, e, NULL); if (e != old_best) rte_free_quick(e); @@ -3240,9 +3242,6 @@ rte_update_in(struct channel *c, const net_addr *n, rte *new, struct rte_src *sr { net = net_get(tab, n); - if (!new->pref) - new->pref = c->preference; - if (!rta_is_cached(new->attrs)) new->attrs = rta_lookup(new->attrs); } @@ -3256,7 +3255,7 @@ rte_update_in(struct channel *c, const net_addr *n, rte *new, struct rte_src *sr /* Find the old rte */ for (pos = &net->routes; old = *pos; pos = &old->next) - if (old->attrs->src == src) + if (old->src == src) { if (new && rte_same(old, new)) { @@ -3361,7 +3360,7 @@ rt_reload_channel(struct channel *c) return 0; } - rte_update2(c, e->net->n.addr, rte_do_cow(e), e->attrs->src); + rte_update2(c, e->net->n.addr, rte_do_cow(e), e->src); } c->reload_next_rte = NULL; @@ -3444,7 +3443,7 @@ rte_update_out(struct channel *c, const net_addr *n, rte *new, rte *old0, rte ** if (new) { net = net_get(tab, n); - src = new->attrs->src; + src = new->src; rte_store_tmp_attrs(new, rte_update_pool, NULL); @@ -3454,7 +3453,7 @@ rte_update_out(struct channel *c, const net_addr *n, rte *new, rte *old0, rte ** else { net = net_find(tab, n); - src = old0->attrs->src; + src = old0->src; if (!net) goto drop_withdraw; @@ -3462,7 +3461,7 @@ rte_update_out(struct channel *c, const net_addr *n, rte *new, rte *old0, rte ** /* Find the old rte */ for (pos = &net->routes; old = *pos; pos = &old->next) - if ((c->ra_mode != RA_ANY) || (old->attrs->src == src)) + if ((c->ra_mode != RA_ANY) || (old->src == src)) { if (new && rte_same(old, new)) { diff --git a/proto/babel/babel.c b/proto/babel/babel.c index 0444e7a4..09d8ad7e 100644 --- a/proto/babel/babel.c +++ b/proto/babel/babel.c @@ -641,10 +641,10 @@ babel_announce_rte(struct babel_proto *p, struct babel_entry *e) if (r) { rta a0 = { - .src = p->p.main_source, .source = RTS_BABEL, .scope = SCOPE_UNIVERSE, .dest = RTD_UNICAST, + .pref = c->preference, .from = r->neigh->addr, .nh.gw = r->next_hop, .nh.iface = r->neigh->ifa->iface, @@ -659,7 +659,7 @@ babel_announce_rte(struct babel_proto *p, struct babel_entry *e) a0.nh.flags = RNF_ONLINK; rta *a = rta_lookup(&a0); - rte *rte = rte_get_temp(a); + rte *rte = rte_get_temp(a, p->p.main_source); rte->u.babel.seqno = r->seqno; rte->u.babel.metric = r->metric; rte->u.babel.router_id = r->router_id; @@ -672,17 +672,16 @@ babel_announce_rte(struct babel_proto *p, struct babel_entry *e) { /* Unreachable */ rta a0 = { - .src = p->p.main_source, .source = RTS_BABEL, .scope = SCOPE_UNIVERSE, .dest = RTD_UNREACHABLE, + .pref = 1, }; rta *a = rta_lookup(&a0); - rte *rte = rte_get_temp(a); + rte *rte = rte_get_temp(a, p->p.main_source); memset(&rte->u.babel, 0, sizeof(rte->u.babel)); rte->pflags = 0; - rte->pref = 1; e->unreachable = 1; rte_update2(c, e->n.addr, rte, p->p.main_source); @@ -2010,7 +2009,7 @@ babel_dump(struct proto *P) static void babel_get_route_info(rte *rte, byte *buf) { - buf += bsprintf(buf, " (%d/%d) [%lR]", rte->pref, rte->u.babel.metric, rte->u.babel.router_id); + buf += bsprintf(buf, " (%d/%d) [%lR]", rte->attrs->pref, rte->u.babel.metric, rte->u.babel.router_id); } static int @@ -2235,7 +2234,7 @@ babel_preexport(struct proto *P, struct rte *new) { struct rta *a = new->attrs; /* Reject our own unreachable routes */ - if ((a->dest == RTD_UNREACHABLE) && (a->src->proto == P)) + if ((a->dest == RTD_UNREACHABLE) && (new->src->proto == P)) return -1; return 0; @@ -2276,7 +2275,7 @@ babel_rt_notify(struct proto *P, struct channel *c UNUSED, struct network *net, if (new) { /* Update */ - uint internal = (new->attrs->src->proto == P); + uint internal = (new->src->proto == P); uint rt_seqno = internal ? new->u.babel.seqno : p->update_seqno; uint rt_metric = ea_get_int(new->attrs->eattrs, EA_BABEL_METRIC, 0); u64 rt_router_id = internal ? new->u.babel.router_id : p->router_id; diff --git a/proto/bgp/attrs.c b/proto/bgp/attrs.c index c35f9384..09c0bc57 100644 --- a/proto/bgp/attrs.c +++ b/proto/bgp/attrs.c @@ -1670,7 +1670,7 @@ bgp_free_prefix(struct bgp_channel *c, struct bgp_prefix *px) int bgp_preexport(struct proto *P, rte *e) { - struct proto *SRC = e->attrs->src->proto; + struct proto *SRC = e->src->proto; struct bgp_proto *p = (struct bgp_proto *) P; struct bgp_proto *src = (SRC->proto == &proto_bgp) ? (struct bgp_proto *) SRC : NULL; @@ -1729,7 +1729,7 @@ bgp_preexport(struct proto *P, rte *e) static ea_list * bgp_update_attrs(struct bgp_proto *p, struct bgp_channel *c, rte *e, ea_list *attrs0, struct linpool *pool) { - struct proto *SRC = e->attrs->src->proto; + struct proto *SRC = e->src->proto; struct bgp_proto *src = (SRC->proto == &proto_bgp) ? (void *) SRC : NULL; struct bgp_export_state s = { .proto = p, .channel = c, .pool = pool, .src = src, .route = e, .mpls = c->desc->mpls }; ea_list *attrs = attrs0; @@ -1861,12 +1861,12 @@ bgp_rt_notify(struct proto *P, struct channel *C, net *n, rte *new, rte *old) /* If attributes are invalid, we fail back to withdraw */ buck = attrs ? bgp_get_bucket(c, attrs) : bgp_get_withdraw_bucket(c); - path = new->attrs->src->global_id; + path = new->src->global_id; } else { buck = bgp_get_withdraw_bucket(c); - path = old->attrs->src->global_id; + path = old->src->global_id; } px = bgp_get_prefix(c, n->n.addr, c->add_path_tx ? path : 0); @@ -1886,7 +1886,7 @@ bgp_get_neighbor(rte *r) return as; /* If AS_PATH is not defined, we treat rte as locally originated */ - struct bgp_proto *p = (void *) r->attrs->src->proto; + struct bgp_proto *p = (void *) r->src->proto; return p->cf->confederation ?: p->local_as; } @@ -1906,8 +1906,8 @@ rte_stale(rte *r) int bgp_rte_better(rte *new, rte *old) { - struct bgp_proto *new_bgp = (struct bgp_proto *) new->attrs->src->proto; - struct bgp_proto *old_bgp = (struct bgp_proto *) old->attrs->src->proto; + struct bgp_proto *new_bgp = (struct bgp_proto *) new->src->proto; + struct bgp_proto *old_bgp = (struct bgp_proto *) old->src->proto; eattr *x, *y; u32 n, o; @@ -2051,8 +2051,8 @@ bgp_rte_better(rte *new, rte *old) int bgp_rte_mergable(rte *pri, rte *sec) { - struct bgp_proto *pri_bgp = (struct bgp_proto *) pri->attrs->src->proto; - struct bgp_proto *sec_bgp = (struct bgp_proto *) sec->attrs->src->proto; + struct bgp_proto *pri_bgp = (struct bgp_proto *) pri->src->proto; + struct bgp_proto *sec_bgp = (struct bgp_proto *) sec->src->proto; eattr *x, *y; u32 p, s; @@ -2130,13 +2130,13 @@ bgp_rte_mergable(rte *pri, rte *sec) static inline int same_group(rte *r, u32 lpref, u32 lasn) { - return (r->pref == lpref) && (bgp_get_neighbor(r) == lasn); + return (r->attrs->pref == lpref) && (bgp_get_neighbor(r) == lasn); } static inline int use_deterministic_med(rte *r) { - struct proto *P = r->attrs->src->proto; + struct proto *P = r->src->proto; return (P->proto == &proto_bgp) && ((struct bgp_proto *) P)->cf->deterministic_med; } @@ -2145,7 +2145,7 @@ bgp_rte_recalculate(rtable *table, net *net, rte *new, rte *old, rte *old_best) { rte *r, *s; rte *key = new ? new : old; - u32 lpref = key->pref; + u32 lpref = key->attrs->pref; u32 lasn = bgp_get_neighbor(key); int old_suppressed = old ? old->u.bgp.suppressed : 0; @@ -2368,7 +2368,7 @@ bgp_get_route_info(rte *e, byte *buf) eattr *o = ea_find(e->attrs->eattrs, EA_CODE(PROTOCOL_BGP, BA_ORIGIN)); u32 origas; - buf += bsprintf(buf, " (%d", e->pref); + buf += bsprintf(buf, " (%d", e->attrs->pref); if (e->u.bgp.suppressed) buf += bsprintf(buf, "-"); diff --git a/proto/bgp/packets.c b/proto/bgp/packets.c index 875808fb..1ab8c793 100644 --- a/proto/bgp/packets.c +++ b/proto/bgp/packets.c @@ -1386,8 +1386,6 @@ bgp_rte_update(struct bgp_parse_state *s, const net_addr *n, u32 path_id, rta *a /* Prepare cached route attributes */ if (s->cached_rta == NULL) { - a0->src = s->last_src; - /* Workaround for rta_lookup() breaking eattrs */ ea_list *ea = a0->eattrs; s->cached_rta = rta_lookup(a0); @@ -1395,7 +1393,7 @@ bgp_rte_update(struct bgp_parse_state *s, const net_addr *n, u32 path_id, rta *a } rta *a = rta_clone(s->cached_rta); - rte *e = rte_get_temp(a); + rte *e = rte_get_temp(a, s->last_src); e->pflags = 0; e->u.bgp.suppressed = 0; @@ -2481,6 +2479,7 @@ bgp_decode_nlri(struct bgp_parse_state *s, u32 afi, byte *nlri, uint len, ea_lis a->scope = SCOPE_UNIVERSE; a->from = s->proto->remote_ip; a->eattrs = ea; + a->pref = c->c.preference; c->desc->decode_next_hop(s, nh, nh_len, a); bgp_finish_attrs(s, a); diff --git a/proto/mrt/mrt.c b/proto/mrt/mrt.c index 8d97c860..ed9ab325 100644 --- a/proto/mrt/mrt.c +++ b/proto/mrt/mrt.c @@ -472,9 +472,9 @@ mrt_rib_table_entry(struct mrt_table_dump_state *s, rte *r) #ifdef CONFIG_BGP /* Find peer index */ - if (r->attrs->src->proto->proto == &proto_bgp) + if (r->src->proto->proto == &proto_bgp) { - struct bgp_proto *p = (void *) r->attrs->src->proto; + struct bgp_proto *p = (void *) r->src->proto; struct mrt_peer_entry *n = HASH_FIND(s->peer_hash, PEER, p->remote_id, p->remote_as, p->remote_ip); @@ -488,7 +488,7 @@ mrt_rib_table_entry(struct mrt_table_dump_state *s, rte *r) /* Path Identifier */ if (s->add_path) - mrt_put_u32(b, r->attrs->src->private_id); + mrt_put_u32(b, r->src->private_id); /* Route Attributes */ mrt_put_u16(b, 0); @@ -519,7 +519,7 @@ mrt_rib_table_dump(struct mrt_table_dump_state *s, net *n, int add_path) continue; /* Skip routes that should be reported in the other phase */ - if (!s->always_add_path && (!rt->attrs->src->private_id != !s->add_path)) + if (!s->always_add_path && (!rt->src->private_id != !s->add_path)) { s->want_add_path = 1; continue; diff --git a/proto/ospf/ospf.c b/proto/ospf/ospf.c index 48e078ed..03b16350 100644 --- a/proto/ospf/ospf.c +++ b/proto/ospf/ospf.c @@ -490,7 +490,7 @@ ospf_preexport(struct proto *P, rte *e) struct ospf_area *oa = ospf_main_area(p); /* Reject our own routes */ - if (e->attrs->src->proto == P) + if (e->src->proto == P) return -1; /* Do not export routes to stub areas */ @@ -609,7 +609,7 @@ ospf_get_route_info(rte * rte, byte * buf) } buf += bsprintf(buf, " %s", type); - buf += bsprintf(buf, " (%d/%d", rte->pref, rte->u.ospf.metric1); + buf += bsprintf(buf, " (%d/%d", rte->attrs->pref, rte->u.ospf.metric1); if (rte->attrs->source == RTS_OSPF_EXT2) buf += bsprintf(buf, "/%d", rte->u.ospf.metric2); buf += bsprintf(buf, ")"); diff --git a/proto/ospf/rt.c b/proto/ospf/rt.c index faee49dc..cda464e0 100644 --- a/proto/ospf/rt.c +++ b/proto/ospf/rt.c @@ -2053,17 +2053,17 @@ again1: if (nf->n.type) /* Add the route */ { rta a0 = { - .src = p->p.main_source, .source = nf->n.type, .scope = SCOPE_UNIVERSE, .dest = RTD_UNICAST, .nh = *(nf->n.nhs), + .pref = p->p.main_channel->preference, }; if (reload || ort_changed(nf, &a0)) { rta *a = rta_lookup(&a0); - rte *e = rte_get_temp(a); + rte *e = rte_get_temp(a, p->p.main_source); rta_free(nf->old_rta); nf->old_rta = rta_clone(a); diff --git a/proto/perf/perf.c b/proto/perf/perf.c index ba401a8a..52784c14 100644 --- a/proto/perf/perf.c +++ b/proto/perf/perf.c @@ -143,10 +143,10 @@ perf_loop(void *data) if (!p->attrs_per_rte || !(i % p->attrs_per_rte)) { struct rta a0 = { - .src = p->p.main_source, .source = RTS_PERF, .scope = SCOPE_UNIVERSE, .dest = RTD_UNICAST, + .pref = p->p.main_channel->preference, .nh.iface = p->ifa->iface, .nh.gw = gw, .nh.weight = 1, @@ -161,7 +161,7 @@ perf_loop(void *data) clock_gettime(CLOCK_MONOTONIC, &ts_generated); for (uint i=0; idata[i].a); + rte *e = rte_get_temp(p->data[i].a, p->p.main_source); e->pflags = 0; rte_update(P, &(p->data[i].net), e); diff --git a/proto/pipe/pipe.c b/proto/pipe/pipe.c index cc4b5a07..636c3e58 100644 --- a/proto/pipe/pipe.c +++ b/proto/pipe/pipe.c @@ -65,34 +65,33 @@ pipe_rt_notify(struct proto *P, struct channel *src_ch, net *n, rte *new, rte *o if (new) { + src = new->src; + a = alloca(rta_size(new->attrs)); memcpy(a, new->attrs, rta_size(new->attrs)); - a->aflags = 0; + a->cached = 0; a->hostentry = NULL; - e = rte_get_temp(a); + e = rte_get_temp(a, src); e->pflags = 0; /* Copy protocol specific embedded attributes. */ memcpy(&(e->u), &(new->u), sizeof(e->u)); - e->pref = new->pref; e->pflags = new->pflags; #ifdef CONFIG_BGP /* Hack to cleanup cached value */ - if (e->attrs->src->proto->proto == &proto_bgp) + if (e->src->proto->proto == &proto_bgp) { e->u.bgp.stale = -1; e->u.bgp.base_table = NULL; } #endif - - src = a->src; } else { e = NULL; - src = old->attrs->src; + src = old->src; } src_ch->table->pipe_busy = 1; diff --git a/proto/rip/rip.c b/proto/rip/rip.c index e1a235a0..f2e56e93 100644 --- a/proto/rip/rip.c +++ b/proto/rip/rip.c @@ -145,7 +145,7 @@ rip_announce_rte(struct rip_proto *p, struct rip_entry *en) { /* Update */ rta a0 = { - .src = p->p.main_source, + .pref = p->p.main_channel->preference, .source = RTS_RIP, .scope = SCOPE_UNIVERSE, .dest = RTD_UNICAST, @@ -189,7 +189,7 @@ rip_announce_rte(struct rip_proto *p, struct rip_entry *en) } rta *a = rta_lookup(&a0); - rte *e = rte_get_temp(a); + rte *e = rte_get_temp(a, p->p.main_source); e->u.rip.from = a0.nh.iface; e->u.rip.metric = rt_metric; @@ -339,7 +339,7 @@ rip_rt_notify(struct proto *P, struct channel *ch UNUSED, struct network *net, s en->valid = RIP_ENTRY_VALID; en->metric = rt_metric; en->tag = rt_tag; - en->from = (new->attrs->src->proto == P) ? new->u.rip.from : NULL; + en->from = (new->src->proto == P) ? new->u.rip.from : NULL; en->iface = new->attrs->nh.iface; en->next_hop = new->attrs->nh.gw; } @@ -1198,7 +1198,7 @@ rip_reconfigure(struct proto *P, struct proto_config *CF) static void rip_get_route_info(rte *rte, byte *buf) { - buf += bsprintf(buf, " (%d/%d)", rte->pref, rte->u.rip.metric); + buf += bsprintf(buf, " (%d/%d)", rte->attrs->pref, rte->u.rip.metric); if (rte->u.rip.tag) bsprintf(buf, " [%04x]", rte->u.rip.tag); diff --git a/proto/rpki/rpki.c b/proto/rpki/rpki.c index ab0837f3..be3d19ab 100644 --- a/proto/rpki/rpki.c +++ b/proto/rpki/rpki.c @@ -121,18 +121,18 @@ rpki_table_add_roa(struct rpki_cache *cache, struct channel *channel, const net_ struct rpki_proto *p = cache->p; rta a0 = { - .src = p->p.main_source, + .pref = channel->preference, .source = RTS_RPKI, .scope = SCOPE_UNIVERSE, .dest = RTD_NONE, }; rta *a = rta_lookup(&a0); - rte *e = rte_get_temp(a); + rte *e = rte_get_temp(a, p->p.main_source); e->pflags = 0; - rte_update2(channel, &pfxr->n, e, a0.src); + rte_update2(channel, &pfxr->n, e, e->src); } void diff --git a/proto/static/static.c b/proto/static/static.c index 2789c1bb..6d3871cc 100644 --- a/proto/static/static.c +++ b/proto/static/static.c @@ -56,10 +56,11 @@ static void static_announce_rte(struct static_proto *p, struct static_route *r) { rta *a = allocz(RTA_MAX_SIZE); - a->src = static_get_source(p, r->index); + 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; if (r->dest == RTD_UNICAST) { @@ -102,7 +103,7 @@ static_announce_rte(struct static_proto *p, struct static_route *r) return; /* We skip rta_lookup() here */ - rte *e = rte_get_temp(a); + rte *e = rte_get_temp(a, src); e->pflags = 0; if (r->cmds) @@ -119,7 +120,7 @@ static_announce_rte(struct static_proto *p, struct static_route *r) e->net = NULL; } - rte_update2(p->p.main_channel, r->net, e, a->src); + rte_update2(p->p.main_channel, r->net, e, src); r->state = SRS_CLEAN; if (r->cmds) @@ -131,7 +132,7 @@ withdraw: if (r->state == SRS_DOWN) return; - rte_update2(p->p.main_channel, r->net, NULL, a->src); + rte_update2(p->p.main_channel, r->net, NULL, src); r->state = SRS_DOWN; } @@ -721,9 +722,9 @@ 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->pref, a->u.data); + buf += bsprintf(buf, " (%d/%u)", rte->attrs->pref, a->u.data); else - buf += bsprintf(buf, " (%d)", rte->pref); + buf += bsprintf(buf, " (%d)", rte->attrs->pref); } static void diff --git a/sysdep/linux/netlink.c b/sysdep/linux/netlink.c index 29b744cb..d8ac2e82 100644 --- a/sysdep/linux/netlink.c +++ b/sysdep/linux/netlink.c @@ -1580,7 +1580,7 @@ nl_mergable_route(struct nl_parse_state *s, net *net, struct krt_proto *p, uint static void nl_announce_route(struct nl_parse_state *s) { - rte *e = rte_get_temp(s->attrs); + rte *e = rte_get_temp(s->attrs, s->proto->p.main_source); e->net = s->net; e->u.krt.src = s->krt_src; e->u.krt.proto = s->krt_proto; @@ -1755,7 +1755,6 @@ nl_parse_route(struct nl_parse_state *s, struct nlmsghdr *h) nl_announce_route(s); rta *ra = lp_allocz(s->pool, RTA_MAX_SIZE); - ra->src = p->p.main_source; ra->source = RTS_INHERIT; ra->scope = SCOPE_UNIVERSE; diff --git a/sysdep/unix/krt.c b/sysdep/unix/krt.c index da61fc9c..c03fa047 100644 --- a/sysdep/unix/krt.c +++ b/sysdep/unix/krt.c @@ -300,7 +300,7 @@ krt_learn_announce_update(struct krt_proto *p, rte *e) { net *n = e->net; rta *aa = rta_clone(e->attrs); - rte *ee = rte_get_temp(aa); + rte *ee = rte_get_temp(aa, p->p.main_source); ee->pflags = EA_ID_FLAG(EA_KRT_SOURCE) | EA_ID_FLAG(EA_KRT_METRIC); ee->u.krt = e->u.krt; rte_update(&p->p, n->n.addr, ee); @@ -433,6 +433,9 @@ krt_learn_async(struct krt_proto *p, rte *e, int new) net *n = net_get(p->krt_table, n0->n.addr); rte *g, **gg, *best, **bestp, *old_best; + ASSERT(!e->attrs->cached); + e->attrs->pref = p->p.main_channel->preference; + e->attrs = rta_lookup(e->attrs); old_best = n->routes; @@ -906,7 +909,7 @@ static int krt_preexport(struct proto *P, rte *e) { // struct krt_proto *p = (struct krt_proto *) P; - if (e->attrs->src->proto == P) + if (e->src->proto == P) return -1; if (!krt_capable(e))