Lines Matching full:nh
105 static int rt6_score_route(const struct fib6_nh *nh, u32 fib6_flags, int oif,
419 if (!match->nh && (!match->fib6_nsiblings || have_oif_match)) in fib6_select_path()
422 if (match->nh && have_oif_match && res->nh) in fib6_select_path()
429 (!match->nh || nexthop_is_multipath(match->nh))) in fib6_select_path()
432 if (unlikely(match->nh)) { in fib6_select_path()
442 const struct fib6_nh *nh = sibling->fib6_nh; in fib6_select_path() local
445 nh_upper_bound = atomic_read(&nh->fib_nh_upper_bound); in fib6_select_path()
448 if (rt6_score_route(nh, sibling->fib6_flags, oif, strict) < 0) in fib6_select_path()
456 res->nh = match->fib6_nh; in fib6_select_path()
463 static bool __rt6_device_match(struct net *net, const struct fib6_nh *nh, in __rt6_device_match() argument
468 if (nh->fib_nh_flags & RTNH_F_DEAD) in __rt6_device_match()
471 dev = nh->fib_nh_dev; in __rt6_device_match()
489 struct fib6_nh *nh; member
492 static int __rt6_nh_dev_match(struct fib6_nh *nh, void *_arg) in __rt6_nh_dev_match() argument
496 arg->nh = nh; in __rt6_nh_dev_match()
497 return __rt6_device_match(arg->net, nh, arg->saddr, arg->oif, in __rt6_nh_dev_match()
502 static struct fib6_nh *rt6_nh_dev_match(struct net *net, struct nexthop *nh, in rt6_nh_dev_match() argument
514 if (nexthop_is_blackhole(nh)) in rt6_nh_dev_match()
517 if (nexthop_for_each_fib6_nh(nh, __rt6_nh_dev_match, &arg)) in rt6_nh_dev_match()
518 return arg.nh; in rt6_nh_dev_match()
528 struct fib6_nh *nh; in rt6_device_match() local
531 if (unlikely(f6i->nh)) { in rt6_device_match()
532 nh = nexthop_fib6_nh(f6i->nh); in rt6_device_match()
533 if (nexthop_is_blackhole(f6i->nh)) in rt6_device_match()
536 nh = f6i->fib6_nh; in rt6_device_match()
538 if (!(nh->fib_nh_flags & RTNH_F_DEAD)) in rt6_device_match()
545 if (unlikely(spf6i->nh)) { in rt6_device_match()
546 nh = rt6_nh_dev_match(net, spf6i->nh, res, saddr, in rt6_device_match()
548 if (nh) in rt6_device_match()
551 nh = spf6i->fib6_nh; in rt6_device_match()
552 if (__rt6_device_match(net, nh, saddr, oif, flags)) in rt6_device_match()
563 nh = res->f6i->fib6_nh; in rt6_device_match()
567 if (unlikely(f6i->nh)) { in rt6_device_match()
568 nh = nexthop_fib6_nh(f6i->nh); in rt6_device_match()
569 if (nexthop_is_blackhole(f6i->nh)) in rt6_device_match()
572 nh = f6i->fib6_nh; in rt6_device_match()
575 if (nh->fib_nh_flags & RTNH_F_DEAD) { in rt6_device_match()
577 nh = res->f6i->fib6_nh; in rt6_device_match()
580 res->nh = nh; in rt6_device_match()
588 res->nh = nh; in rt6_device_match()
707 static int rt6_score_route(const struct fib6_nh *nh, u32 fib6_flags, int oif, in rt6_score_route() argument
712 if (!oif || nh->fib_nh_dev->ifindex == oif) in rt6_score_route()
721 !(fib6_flags & RTF_NONEXTHOP) && nh->fib_nh_gw_family) { in rt6_score_route()
722 int n = rt6_check_neigh(nh); in rt6_score_route()
729 static bool find_match(struct fib6_nh *nh, u32 fib6_flags, in find_match() argument
736 if (nh->fib_nh_flags & RTNH_F_DEAD) in find_match()
739 if (ip6_ignore_linkdown(nh->fib_nh_dev) && in find_match()
740 nh->fib_nh_flags & RTNH_F_LINKDOWN && in find_match()
744 m = rt6_score_route(nh, fib6_flags, oif, strict); in find_match()
753 rt6_probe(nh); in find_match()
771 struct fib6_nh *nh; member
774 static int rt6_nh_find_match(struct fib6_nh *nh, void *_arg) in rt6_nh_find_match() argument
778 arg->nh = nh; in rt6_nh_find_match()
779 return find_match(nh, arg->flags, arg->oif, arg->strict, in rt6_nh_find_match()
794 struct fib6_nh *nh; in __find_rr_leaf() local
804 if (unlikely(f6i->nh)) { in __find_rr_leaf()
813 if (nexthop_is_blackhole(f6i->nh)) { in __find_rr_leaf()
817 res->nh = nexthop_fib6_nh(f6i->nh); in __find_rr_leaf()
820 if (nexthop_for_each_fib6_nh(f6i->nh, rt6_nh_find_match, in __find_rr_leaf()
823 nh = arg.nh; in __find_rr_leaf()
826 nh = f6i->fib6_nh; in __find_rr_leaf()
827 if (find_match(nh, f6i->fib6_flags, oif, strict, in __find_rr_leaf()
833 res->nh = nh; in __find_rr_leaf()
912 res->nh = res->f6i->fib6_nh; in rt6_select()
921 res->nh->fib_nh_gw_family; in rt6_is_gw_or_nonexthop()
1007 struct net_device *dev = res->nh->fib_nh_dev; in ip6_rt_get_dev_rcu()
1101 if (res->nh->fib_nh_lws) { in ip6_rt_init_dst()
1102 rt->dst.lwtstate = lwtstate_get(res->nh->fib_nh_lws); in ip6_rt_init_dst()
1120 const struct fib6_nh *nh = res->nh; in ip6_rt_copy_init() local
1121 const struct net_device *dev = nh->fib_nh_dev; in ip6_rt_copy_init()
1129 if (nh->fib_nh_gw_family) { in ip6_rt_copy_init()
1130 rt->rt6i_gateway = nh->fib_nh_gw6; in ip6_rt_copy_init()
1176 struct net_device *dev = res->nh->fib_nh_dev; in ip6_create_rt_rcu()
1379 if (f6i->nh) in ip6_rt_pcpu_alloc()
1395 pcpu_rt = this_cpu_read(*res->nh->rt6i_pcpu); in rt6_get_pcpu_route()
1400 p = this_cpu_ptr(res->nh->rt6i_pcpu); in rt6_get_pcpu_route()
1423 p = this_cpu_ptr(res->nh->rt6i_pcpu); in rt6_make_pcpu_route()
1580 const struct fib6_nh *nh = res->nh; in fib6_mtu() local
1586 struct net_device *dev = nh->fib_nh_dev; in fib6_mtu()
1597 return mtu - lwtunnel_headroom(nh->fib_nh_lws, mtu); in fib6_mtu()
1608 struct rt6_exception_bucket *fib6_nh_get_excptn_bucket(const struct fib6_nh *nh, in fib6_nh_get_excptn_bucket() argument
1614 bucket = rcu_dereference_protected(nh->rt6i_exception_bucket, in fib6_nh_get_excptn_bucket()
1617 bucket = rcu_dereference(nh->rt6i_exception_bucket); in fib6_nh_get_excptn_bucket()
1638 static void fib6_nh_excptn_bucket_set_flushed(struct fib6_nh *nh, in fib6_nh_excptn_bucket_set_flushed() argument
1644 bucket = rcu_dereference_protected(nh->rt6i_exception_bucket, in fib6_nh_excptn_bucket_set_flushed()
1650 rcu_assign_pointer(nh->rt6i_exception_bucket, bucket); in fib6_nh_excptn_bucket_set_flushed()
1661 struct fib6_nh *nh = res->nh; in rt6_insert_exception() local
1667 bucket = rcu_dereference_protected(nh->rt6i_exception_bucket, in rt6_insert_exception()
1676 rcu_assign_pointer(nh->rt6i_exception_bucket, bucket); in rt6_insert_exception()
1736 static void fib6_nh_flush_exceptions(struct fib6_nh *nh, struct fib6_info *from) in fib6_nh_flush_exceptions() argument
1745 bucket = fib6_nh_get_excptn_bucket(nh, &rt6_exception_lock); in fib6_nh_flush_exceptions()
1751 fib6_nh_excptn_bucket_set_flushed(nh, &rt6_exception_lock); in fib6_nh_flush_exceptions()
1766 static int rt6_nh_flush_exceptions(struct fib6_nh *nh, void *arg) in rt6_nh_flush_exceptions() argument
1770 fib6_nh_flush_exceptions(nh, f6i); in rt6_nh_flush_exceptions()
1777 if (f6i->nh) in rt6_flush_exceptions()
1778 nexthop_for_each_fib6_nh(f6i->nh, rt6_nh_flush_exceptions, in rt6_flush_exceptions()
1812 bucket = fib6_nh_get_excptn_bucket(res->nh, NULL); in rt6_find_cached_rt()
1830 static int fib6_nh_remove_exception(const struct fib6_nh *nh, int plen, in fib6_nh_remove_exception() argument
1838 if (!rcu_access_pointer(nh->rt6i_exception_bucket)) in fib6_nh_remove_exception()
1842 bucket = fib6_nh_get_excptn_bucket(nh, &rt6_exception_lock); in fib6_nh_remove_exception()
1873 static int rt6_nh_remove_exception_rt(struct fib6_nh *nh, void *_arg) in rt6_nh_remove_exception_rt() argument
1878 err = fib6_nh_remove_exception(nh, arg->plen, arg->rt); in rt6_nh_remove_exception_rt()
1893 if (from->nh) { in rt6_remove_exception_rt()
1901 rc = nexthop_for_each_fib6_nh(from->nh, in rt6_remove_exception_rt()
1914 static void fib6_nh_update_exception(const struct fib6_nh *nh, int plen, in fib6_nh_update_exception() argument
1921 bucket = fib6_nh_get_excptn_bucket(nh, NULL); in fib6_nh_update_exception()
1944 static int fib6_nh_find_match(struct fib6_nh *nh, void *_arg) in fib6_nh_find_match() argument
1948 if (arg->dev != nh->fib_nh_dev || in fib6_nh_find_match()
1949 (arg->gw && !nh->fib_nh_gw_family) || in fib6_nh_find_match()
1950 (!arg->gw && nh->fib_nh_gw_family) || in fib6_nh_find_match()
1951 (arg->gw && !ipv6_addr_equal(arg->gw, &nh->fib_nh_gw6))) in fib6_nh_find_match()
1954 arg->match = nh; in fib6_nh_find_match()
1971 if (from->nh) { in rt6_update_exception_stamp_rt()
1977 nexthop_for_each_fib6_nh(from->nh, fib6_nh_find_match, &arg); in rt6_update_exception_stamp_rt()
2013 const struct fib6_nh *nh, int mtu) in rt6_exceptions_update_pmtu() argument
2019 bucket = fib6_nh_get_excptn_bucket(nh, &rt6_exception_lock); in rt6_exceptions_update_pmtu()
2041 static void fib6_nh_exceptions_clean_tohost(const struct fib6_nh *nh, in fib6_nh_exceptions_clean_tohost() argument
2049 if (!rcu_access_pointer(nh->rt6i_exception_bucket)) in fib6_nh_exceptions_clean_tohost()
2053 bucket = fib6_nh_get_excptn_bucket(nh, &rt6_exception_lock); in fib6_nh_exceptions_clean_tohost()
2118 static void fib6_nh_age_exceptions(const struct fib6_nh *nh, in fib6_nh_age_exceptions() argument
2127 if (!rcu_access_pointer(nh->rt6i_exception_bucket)) in fib6_nh_age_exceptions()
2132 bucket = fib6_nh_get_excptn_bucket(nh, &rt6_exception_lock); in fib6_nh_age_exceptions()
2152 static int rt6_nh_age_exceptions(struct fib6_nh *nh, void *_arg) in rt6_nh_age_exceptions() argument
2156 fib6_nh_age_exceptions(nh, arg->gc_args, arg->now); in rt6_nh_age_exceptions()
2164 if (f6i->nh) { in rt6_age_exceptions()
2170 nexthop_for_each_fib6_nh(f6i->nh, rt6_nh_age_exceptions, in rt6_age_exceptions()
2237 !res.nh->fib_nh_gw_family)) { in ip6_pol_route()
2767 if (res.f6i->nh) { in __ip6_rt_update_pmtu()
2773 nexthop_for_each_fib6_nh(res.f6i->nh, in __ip6_rt_update_pmtu()
2782 res.nh = arg.match; in __ip6_rt_update_pmtu()
2784 res.nh = res.f6i->fib6_nh; in __ip6_rt_update_pmtu()
2871 const struct fib6_nh *nh = res->nh; in ip6_redirect_nh_match() local
2873 if (nh->fib_nh_flags & RTNH_F_DEAD || !nh->fib_nh_gw_family || in ip6_redirect_nh_match()
2874 fl6->flowi6_oif != nh->fib_nh_dev->ifindex) in ip6_redirect_nh_match()
2882 if (!ipv6_addr_equal(gw, &nh->fib_nh_gw6)) { in ip6_redirect_nh_match()
2903 static int fib6_nh_redirect_match(struct fib6_nh *nh, void *_arg) in fib6_nh_redirect_match() argument
2907 arg->res->nh = nh; in fib6_nh_redirect_match()
2960 if (unlikely(rt->nh)) { in __ip6_route_redirect()
2961 if (nexthop_is_blackhole(rt->nh)) in __ip6_route_redirect()
2963 /* on match, res->nh is filled in and potentially ret */ in __ip6_route_redirect()
2964 if (nexthop_for_each_fib6_nh(rt->nh, in __ip6_route_redirect()
2969 res.nh = rt->fib6_nh; in __ip6_route_redirect()
2990 res.nh = rt->fib6_nh; in __ip6_route_redirect()
3124 const struct fib6_nh *nh = res->nh; in ip6_mtu_from_fib6() local
3140 struct net_device *dev = nh->fib_nh_dev; in ip6_mtu_from_fib6()
3150 return mtu - lwtunnel_headroom(nh->fib_nh_lws, mtu); in ip6_mtu_from_fib6()
3260 (res.fib6_type != RTN_UNICAST || dev != res.nh->fib_nh_dev)) { in ip6_route_check_nh_onlink()
3287 res.nh->fib_nh_gw_family || in ip6_route_check_nh()
3288 (dev && dev != res.nh->fib_nh_dev)) in ip6_route_check_nh()
3300 res.nh->fib_nh_gw_family) in ip6_route_check_nh()
3312 if (dev != res.nh->fib_nh_dev) in ip6_route_check_nh()
3315 *_dev = dev = res.nh->fib_nh_dev; in ip6_route_check_nh()
3600 struct nexthop *nh = NULL; in ip6_route_info_create() local
3639 nh = nexthop_find_by_id(net, cfg->fc_nh_id); in ip6_route_info_create()
3640 if (!nh) { in ip6_route_info_create()
3644 err = fib6_check_nexthop(nh, cfg, extack); in ip6_route_info_create()
3665 rt = fib6_info_alloc(gfp_flags, !nh); in ip6_route_info_create()
3703 if (nh) { in ip6_route_info_create()
3708 if (!nexthop_get(nh)) { in ip6_route_info_create()
3712 rt->nh = nh; in ip6_route_info_create()
3713 fib6_nh = nexthop_fib6_nh(rt->nh); in ip6_route_info_create()
3896 struct fib6_nh *nh) in ip6_del_cached_rt() argument
3900 .nh = nh, in ip6_del_cached_rt()
3916 static int fib6_nh_del_cached_rt(struct fib6_nh *nh, void *_arg) in fib6_nh_del_cached_rt() argument
3921 rc = ip6_del_cached_rt(arg->cfg, arg->f6i, nh); in fib6_nh_del_cached_rt()
3932 return nexthop_for_each_fib6_nh(f6i->nh, fib6_nh_del_cached_rt, &arg); in ip6_del_cached_rt_nh()
3958 struct fib6_nh *nh; in ip6_route_del() local
3960 if (rt->nh && cfg->fc_nh_id && in ip6_route_del()
3961 rt->nh->id != cfg->fc_nh_id) in ip6_route_del()
3967 if (rt->nh) { in ip6_route_del()
3972 nh = rt->fib6_nh; in ip6_route_del()
3973 rc = ip6_del_cached_rt(cfg, rt, nh); in ip6_route_del()
3988 if (rt->nh) { in ip6_route_del()
3998 nh = rt->fib6_nh; in ip6_route_del()
4000 (!nh->fib_nh_dev || in ip6_route_del()
4001 nh->fib_nh_dev->ifindex != cfg->fc_ifindex)) in ip6_route_del()
4004 !ipv6_addr_equal(&cfg->fc_gateway, &nh->fib_nh_gw6)) in ip6_route_del()
4116 if (res.f6i->nh) { in rt6_do_redirect()
4122 nexthop_for_each_fib6_nh(res.f6i->nh, in rt6_do_redirect()
4130 res.nh = arg.match; in rt6_do_redirect()
4132 res.nh = res.f6i->fib6_nh; in rt6_do_redirect()
4187 if (rt->nh) in rt6_get_route_info()
4252 struct fib6_nh *nh; in rt6_get_dflt_router() local
4255 if (rt->nh) in rt6_get_dflt_router()
4258 nh = rt->fib6_nh; in rt6_get_dflt_router()
4259 if (dev == nh->fib_nh_dev && in rt6_get_dflt_router()
4261 ipv6_addr_equal(&nh->fib_nh_gw6, addr)) in rt6_get_dflt_router()
4508 if (!rt->nh && in fib6_remove_prefsrc()
4537 struct fib6_nh *nh; in fib6_clean_tohost() local
4540 if (rt->nh) in fib6_clean_tohost()
4543 nh = rt->fib6_nh; in fib6_clean_tohost()
4545 nh->fib_nh_gw_family && ipv6_addr_equal(gateway, &nh->fib_nh_gw6)) in fib6_clean_tohost()
4552 fib6_nh_exceptions_clean_tohost(nh, gateway); in fib6_clean_tohost()
4669 if (rt != net->ipv6.fib6_null_entry && !rt->nh && in fib6_ifup()
4755 if (rt == net->ipv6.fib6_null_entry || rt->nh) in fib6_ifdown()
4821 static int fib6_nh_mtu_change(struct fib6_nh *nh, void *_arg) in fib6_nh_mtu_change() argument
4831 if (nh->fib_nh_dev == arg->dev) { in fib6_nh_mtu_change()
4840 rt6_exceptions_update_pmtu(idev, nh, arg->mtu); in fib6_nh_mtu_change()
4866 if (f6i->nh) { in rt6_mtu_change_route()
4868 return nexthop_for_each_fib6_nh(f6i->nh, fib6_nh_mtu_change, in rt6_mtu_change_route()
5059 struct rt6_nh *nh; in ip6_route_info_append() local
5062 list_for_each_entry(nh, rt6_nh_list, next) { in ip6_route_info_append()
5064 if (rt6_duplicate_nexthop(nh->fib6_info, rt)) in ip6_route_info_append()
5068 nh = kzalloc(sizeof(*nh), GFP_KERNEL); in ip6_route_info_append()
5069 if (!nh) in ip6_route_info_append()
5071 nh->fib6_info = rt; in ip6_route_info_append()
5072 memcpy(&nh->r_cfg, r_cfg, sizeof(*r_cfg)); in ip6_route_info_append()
5073 list_add_tail(&nh->next, rt6_nh_list); in ip6_route_info_append()
5151 struct rt6_nh *nh, *nh_safe; in ip6_route_multipath_add() local
5244 list_for_each_entry(nh, &rt6_nh_list, next) { in ip6_route_multipath_add()
5245 err = __ip6_ins_rt(nh->fib6_info, info, extack); in ip6_route_multipath_add()
5251 err_nh = nh; in ip6_route_multipath_add()
5255 rt_last = nh->fib6_info; in ip6_route_multipath_add()
5259 rt_notif = nh->fib6_info; in ip6_route_multipath_add()
5312 list_for_each_entry(nh, &rt6_nh_list, next) { in ip6_route_multipath_add()
5313 if (err_nh == nh) in ip6_route_multipath_add()
5315 ip6_route_del(&nh->r_cfg, extack); in ip6_route_multipath_add()
5319 list_for_each_entry_safe(nh, nh_safe, &rt6_nh_list, next) { in ip6_route_multipath_add()
5320 fib6_info_release(nh->fib6_info); in ip6_route_multipath_add()
5321 list_del(&nh->next); in ip6_route_multipath_add()
5322 kfree(nh); in ip6_route_multipath_add()
5418 static int rt6_nh_nlmsg_size(struct fib6_nh *nh, void *arg) in rt6_nh_nlmsg_size() argument
5426 if (nh->fib_nh_lws) { in rt6_nh_nlmsg_size()
5428 *nexthop_len += lwtunnel_get_encap_size(nh->fib_nh_lws); in rt6_nh_nlmsg_size()
5440 if (f6i->nh) { in rt6_nlmsg_size()
5442 nexthop_for_each_fib6_nh(f6i->nh, rt6_nh_nlmsg_size, in rt6_nlmsg_size()
5445 struct fib6_nh *nh = f6i->fib6_nh; in rt6_nlmsg_size() local
5450 rt6_nh_nlmsg_size(nh, &nexthop_len); in rt6_nlmsg_size()
5461 nexthop_len += lwtunnel_get_encap_size(nh->fib_nh_lws); in rt6_nlmsg_size()
5480 static int rt6_fill_node_nexthop(struct sk_buff *skb, struct nexthop *nh, in rt6_fill_node_nexthop() argument
5483 if (nexthop_is_multipath(nh)) { in rt6_fill_node_nexthop()
5490 if (nexthop_mpath_fill_node(skb, nh, AF_INET6)) in rt6_fill_node_nexthop()
5497 fib6_nh = nexthop_fib6_nh(nh); in rt6_fill_node_nexthop()
5647 } else if (rt->nh) { in rt6_fill_node()
5648 if (nla_put_u32(skb, RTA_NH_ID, rt->nh->id)) in rt6_fill_node()
5651 if (nexthop_is_blackhole(rt->nh)) in rt6_fill_node()
5655 rt6_fill_node_nexthop(skb, rt->nh, &nh_flags) < 0) in rt6_fill_node()
5694 static int fib6_info_nh_uses_dev(struct fib6_nh *nh, void *arg) in fib6_info_nh_uses_dev() argument
5698 if (nh->fib_nh_dev == dev) in fib6_info_nh_uses_dev()
5707 if (f6i->nh) { in fib6_info_uses_dev()
5710 return !!nexthop_for_each_fib6_nh(f6i->nh, in fib6_info_uses_dev()
5739 static int rt6_nh_dump_exceptions(struct fib6_nh *nh, void *arg) in rt6_nh_dump_exceptions() argument
5747 bucket = fib6_nh_get_excptn_bucket(nh, NULL); in rt6_nh_dump_exceptions()
5842 if (rt->nh) { in rt6_dump_route()
5843 err = nexthop_for_each_fib6_nh(rt->nh, in rt6_dump_route()