Lines Matching full:nh
107 static int rt6_score_route(const struct fib6_nh *nh, u32 fib6_flags, int oif,
449 if (!match->nh && (!match->fib6_nsiblings || have_oif_match)) in fib6_select_path()
452 if (match->nh && have_oif_match && res->nh) in fib6_select_path()
462 (!match->nh || nexthop_is_multipath(match->nh))) in fib6_select_path()
465 if (unlikely(match->nh)) { in fib6_select_path()
484 const struct fib6_nh *nh = sibling->fib6_nh; in fib6_select_path() local
487 nh_upper_bound = atomic_read(&nh->fib_nh_upper_bound); in fib6_select_path()
490 if (rt6_score_route(nh, sibling->fib6_flags, oif, strict) < 0) in fib6_select_path()
498 res->nh = match->fib6_nh; in fib6_select_path()
505 static bool __rt6_device_match(struct net *net, const struct fib6_nh *nh, in __rt6_device_match() argument
510 if (nh->fib_nh_flags & RTNH_F_DEAD) in __rt6_device_match()
513 dev = nh->fib_nh_dev; in __rt6_device_match()
531 struct fib6_nh *nh; member
534 static int __rt6_nh_dev_match(struct fib6_nh *nh, void *_arg) in __rt6_nh_dev_match() argument
538 arg->nh = nh; in __rt6_nh_dev_match()
539 return __rt6_device_match(arg->net, nh, arg->saddr, arg->oif, in __rt6_nh_dev_match()
544 static struct fib6_nh *rt6_nh_dev_match(struct net *net, struct nexthop *nh, in rt6_nh_dev_match() argument
556 if (nexthop_is_blackhole(nh)) in rt6_nh_dev_match()
559 if (nexthop_for_each_fib6_nh(nh, __rt6_nh_dev_match, &arg)) in rt6_nh_dev_match()
560 return arg.nh; in rt6_nh_dev_match()
570 struct fib6_nh *nh; in rt6_device_match() local
573 if (unlikely(f6i->nh)) { in rt6_device_match()
574 nh = nexthop_fib6_nh(f6i->nh); in rt6_device_match()
575 if (nexthop_is_blackhole(f6i->nh)) in rt6_device_match()
578 nh = f6i->fib6_nh; in rt6_device_match()
580 if (!(nh->fib_nh_flags & RTNH_F_DEAD)) in rt6_device_match()
587 if (unlikely(spf6i->nh)) { in rt6_device_match()
588 nh = rt6_nh_dev_match(net, spf6i->nh, res, saddr, in rt6_device_match()
590 if (nh) in rt6_device_match()
593 nh = spf6i->fib6_nh; in rt6_device_match()
594 if (__rt6_device_match(net, nh, saddr, oif, flags)) in rt6_device_match()
605 nh = res->f6i->fib6_nh; in rt6_device_match()
609 if (unlikely(f6i->nh)) { in rt6_device_match()
610 nh = nexthop_fib6_nh(f6i->nh); in rt6_device_match()
611 if (nexthop_is_blackhole(f6i->nh)) in rt6_device_match()
614 nh = f6i->fib6_nh; in rt6_device_match()
617 if (nh->fib_nh_flags & RTNH_F_DEAD) { in rt6_device_match()
619 nh = res->f6i->fib6_nh; in rt6_device_match()
622 res->nh = nh; in rt6_device_match()
630 res->nh = nh; in rt6_device_match()
750 static int rt6_score_route(const struct fib6_nh *nh, u32 fib6_flags, int oif, in rt6_score_route() argument
755 if (!oif || nh->fib_nh_dev->ifindex == oif) in rt6_score_route()
764 !(fib6_flags & RTF_NONEXTHOP) && nh->fib_nh_gw_family) { in rt6_score_route()
765 int n = rt6_check_neigh(nh); in rt6_score_route()
772 static bool find_match(struct fib6_nh *nh, u32 fib6_flags, in find_match() argument
779 if (nh->fib_nh_flags & RTNH_F_DEAD) in find_match()
782 if (ip6_ignore_linkdown(nh->fib_nh_dev) && in find_match()
783 nh->fib_nh_flags & RTNH_F_LINKDOWN && in find_match()
787 m = rt6_score_route(nh, fib6_flags, oif, strict); in find_match()
796 rt6_probe(nh); in find_match()
814 struct fib6_nh *nh; member
817 static int rt6_nh_find_match(struct fib6_nh *nh, void *_arg) in rt6_nh_find_match() argument
821 arg->nh = nh; in rt6_nh_find_match()
822 return find_match(nh, arg->flags, arg->oif, arg->strict, in rt6_nh_find_match()
837 struct fib6_nh *nh; in __find_rr_leaf() local
847 if (unlikely(f6i->nh)) { in __find_rr_leaf()
856 if (nexthop_is_blackhole(f6i->nh)) { in __find_rr_leaf()
860 res->nh = nexthop_fib6_nh(f6i->nh); in __find_rr_leaf()
863 if (nexthop_for_each_fib6_nh(f6i->nh, rt6_nh_find_match, in __find_rr_leaf()
866 nh = arg.nh; in __find_rr_leaf()
869 nh = f6i->fib6_nh; in __find_rr_leaf()
870 if (find_match(nh, f6i->fib6_flags, oif, strict, in __find_rr_leaf()
876 res->nh = nh; in __find_rr_leaf()
955 res->nh = res->f6i->fib6_nh; in rt6_select()
964 res->nh->fib_nh_gw_family; in rt6_is_gw_or_nonexthop()
1050 struct net_device *dev = res->nh->fib_nh_dev; in ip6_rt_get_dev_rcu()
1144 if (res->nh->fib_nh_lws) { in ip6_rt_init_dst()
1145 rt->dst.lwtstate = lwtstate_get(res->nh->fib_nh_lws); in ip6_rt_init_dst()
1163 const struct fib6_nh *nh = res->nh; in ip6_rt_copy_init() local
1164 const struct net_device *dev = nh->fib_nh_dev; in ip6_rt_copy_init()
1172 if (nh->fib_nh_gw_family) { in ip6_rt_copy_init()
1173 rt->rt6i_gateway = nh->fib_nh_gw6; in ip6_rt_copy_init()
1219 struct net_device *dev = res->nh->fib_nh_dev; in ip6_create_rt_rcu()
1419 if (f6i->nh) in ip6_rt_pcpu_alloc()
1435 pcpu_rt = this_cpu_read(*res->nh->rt6i_pcpu); in rt6_get_pcpu_route()
1440 p = this_cpu_ptr(res->nh->rt6i_pcpu); in rt6_get_pcpu_route()
1463 p = this_cpu_ptr(res->nh->rt6i_pcpu); in rt6_make_pcpu_route()
1617 const struct fib6_nh *nh = res->nh; in fib6_mtu() local
1623 struct net_device *dev = nh->fib_nh_dev; in fib6_mtu()
1634 return mtu - lwtunnel_headroom(nh->fib_nh_lws, mtu); in fib6_mtu()
1645 struct rt6_exception_bucket *fib6_nh_get_excptn_bucket(const struct fib6_nh *nh, in fib6_nh_get_excptn_bucket() argument
1651 bucket = rcu_dereference_protected(nh->rt6i_exception_bucket, in fib6_nh_get_excptn_bucket()
1654 bucket = rcu_dereference(nh->rt6i_exception_bucket); in fib6_nh_get_excptn_bucket()
1675 static void fib6_nh_excptn_bucket_set_flushed(struct fib6_nh *nh, in fib6_nh_excptn_bucket_set_flushed() argument
1681 bucket = rcu_dereference_protected(nh->rt6i_exception_bucket, in fib6_nh_excptn_bucket_set_flushed()
1687 rcu_assign_pointer(nh->rt6i_exception_bucket, bucket); in fib6_nh_excptn_bucket_set_flushed()
1698 struct fib6_nh *nh = res->nh; in rt6_insert_exception() local
1704 bucket = rcu_dereference_protected(nh->rt6i_exception_bucket, in rt6_insert_exception()
1713 rcu_assign_pointer(nh->rt6i_exception_bucket, bucket); in rt6_insert_exception()
1773 static void fib6_nh_flush_exceptions(struct fib6_nh *nh, struct fib6_info *from) in fib6_nh_flush_exceptions() argument
1782 bucket = fib6_nh_get_excptn_bucket(nh, &rt6_exception_lock); in fib6_nh_flush_exceptions()
1788 fib6_nh_excptn_bucket_set_flushed(nh, &rt6_exception_lock); in fib6_nh_flush_exceptions()
1803 static int rt6_nh_flush_exceptions(struct fib6_nh *nh, void *arg) in rt6_nh_flush_exceptions() argument
1807 fib6_nh_flush_exceptions(nh, f6i); in rt6_nh_flush_exceptions()
1814 if (f6i->nh) in rt6_flush_exceptions()
1815 nexthop_for_each_fib6_nh(f6i->nh, rt6_nh_flush_exceptions, in rt6_flush_exceptions()
1849 bucket = fib6_nh_get_excptn_bucket(res->nh, NULL); in rt6_find_cached_rt()
1867 static int fib6_nh_remove_exception(const struct fib6_nh *nh, int plen, in fib6_nh_remove_exception() argument
1875 if (!rcu_access_pointer(nh->rt6i_exception_bucket)) in fib6_nh_remove_exception()
1879 bucket = fib6_nh_get_excptn_bucket(nh, &rt6_exception_lock); in fib6_nh_remove_exception()
1910 static int rt6_nh_remove_exception_rt(struct fib6_nh *nh, void *_arg) in rt6_nh_remove_exception_rt() argument
1915 err = fib6_nh_remove_exception(nh, arg->plen, arg->rt); in rt6_nh_remove_exception_rt()
1930 if (from->nh) { in rt6_remove_exception_rt()
1938 rc = nexthop_for_each_fib6_nh(from->nh, in rt6_remove_exception_rt()
1951 static void fib6_nh_update_exception(const struct fib6_nh *nh, int plen, in fib6_nh_update_exception() argument
1958 bucket = fib6_nh_get_excptn_bucket(nh, NULL); in fib6_nh_update_exception()
1981 static int fib6_nh_find_match(struct fib6_nh *nh, void *_arg) in fib6_nh_find_match() argument
1985 if (arg->dev != nh->fib_nh_dev || in fib6_nh_find_match()
1986 (arg->gw && !nh->fib_nh_gw_family) || in fib6_nh_find_match()
1987 (!arg->gw && nh->fib_nh_gw_family) || in fib6_nh_find_match()
1988 (arg->gw && !ipv6_addr_equal(arg->gw, &nh->fib_nh_gw6))) in fib6_nh_find_match()
1991 arg->match = nh; in fib6_nh_find_match()
2008 if (from->nh) { in rt6_update_exception_stamp_rt()
2014 nexthop_for_each_fib6_nh(from->nh, fib6_nh_find_match, &arg); in rt6_update_exception_stamp_rt()
2050 const struct fib6_nh *nh, int mtu) in rt6_exceptions_update_pmtu() argument
2056 bucket = fib6_nh_get_excptn_bucket(nh, &rt6_exception_lock); in rt6_exceptions_update_pmtu()
2078 static void fib6_nh_exceptions_clean_tohost(const struct fib6_nh *nh, in fib6_nh_exceptions_clean_tohost() argument
2086 if (!rcu_access_pointer(nh->rt6i_exception_bucket)) in fib6_nh_exceptions_clean_tohost()
2090 bucket = fib6_nh_get_excptn_bucket(nh, &rt6_exception_lock); in fib6_nh_exceptions_clean_tohost()
2152 static void fib6_nh_age_exceptions(const struct fib6_nh *nh, in fib6_nh_age_exceptions() argument
2161 if (!rcu_access_pointer(nh->rt6i_exception_bucket)) in fib6_nh_age_exceptions()
2166 bucket = fib6_nh_get_excptn_bucket(nh, &rt6_exception_lock); in fib6_nh_age_exceptions()
2186 static int rt6_nh_age_exceptions(struct fib6_nh *nh, void *_arg) in rt6_nh_age_exceptions() argument
2190 fib6_nh_age_exceptions(nh, arg->gc_args, arg->now); in rt6_nh_age_exceptions()
2198 if (f6i->nh) { in rt6_age_exceptions()
2204 nexthop_for_each_fib6_nh(f6i->nh, rt6_nh_age_exceptions, in rt6_age_exceptions()
2268 !res.nh->fib_nh_gw_family)) { in ip6_pol_route()
2926 if (res.f6i->nh) { in __ip6_rt_update_pmtu()
2932 nexthop_for_each_fib6_nh(res.f6i->nh, in __ip6_rt_update_pmtu()
2941 res.nh = arg.match; in __ip6_rt_update_pmtu()
2943 res.nh = res.f6i->fib6_nh; in __ip6_rt_update_pmtu()
3031 const struct fib6_nh *nh = res->nh; in ip6_redirect_nh_match() local
3033 if (nh->fib_nh_flags & RTNH_F_DEAD || !nh->fib_nh_gw_family || in ip6_redirect_nh_match()
3034 fl6->flowi6_oif != nh->fib_nh_dev->ifindex) in ip6_redirect_nh_match()
3042 if (!ipv6_addr_equal(gw, &nh->fib_nh_gw6)) { in ip6_redirect_nh_match()
3063 static int fib6_nh_redirect_match(struct fib6_nh *nh, void *_arg) in fib6_nh_redirect_match() argument
3067 arg->res->nh = nh; in fib6_nh_redirect_match()
3114 if (unlikely(rt->nh)) { in __ip6_route_redirect()
3115 if (nexthop_is_blackhole(rt->nh)) in __ip6_route_redirect()
3117 /* on match, res->nh is filled in and potentially ret */ in __ip6_route_redirect()
3118 if (nexthop_for_each_fib6_nh(rt->nh, in __ip6_route_redirect()
3123 res.nh = rt->fib6_nh; in __ip6_route_redirect()
3144 res.nh = rt->fib6_nh; in __ip6_route_redirect()
3266 const struct fib6_nh *nh = res->nh; in ip6_mtu_from_fib6() local
3282 struct net_device *dev = nh->fib_nh_dev; in ip6_mtu_from_fib6()
3292 return mtu - lwtunnel_headroom(nh->fib_nh_lws, mtu); in ip6_mtu_from_fib6()
3397 (res.fib6_type != RTN_UNICAST || dev != res.nh->fib_nh_dev)) { in ip6_route_check_nh_onlink()
3425 res.nh->fib_nh_gw_family || in ip6_route_check_nh()
3426 (dev && dev != res.nh->fib_nh_dev)) in ip6_route_check_nh()
3438 res.nh->fib_nh_gw_family) in ip6_route_check_nh()
3450 if (dev != res.nh->fib_nh_dev) in ip6_route_check_nh()
3453 *_dev = dev = res.nh->fib_nh_dev; in ip6_route_check_nh()
3728 struct nexthop *nh = NULL; in ip6_route_info_create() local
3767 nh = nexthop_find_by_id(net, cfg->fc_nh_id); in ip6_route_info_create()
3768 if (!nh) { in ip6_route_info_create()
3772 err = fib6_check_nexthop(nh, cfg, extack); in ip6_route_info_create()
3793 rt = fib6_info_alloc(gfp_flags, !nh); in ip6_route_info_create()
3831 if (nh) { in ip6_route_info_create()
3837 if (!nexthop_get(nh)) { in ip6_route_info_create()
3842 rt->nh = nh; in ip6_route_info_create()
3843 fib6_nh = nexthop_fib6_nh(rt->nh); in ip6_route_info_create()
4026 struct fib6_nh *nh) in ip6_del_cached_rt() argument
4030 .nh = nh, in ip6_del_cached_rt()
4046 static int fib6_nh_del_cached_rt(struct fib6_nh *nh, void *_arg) in fib6_nh_del_cached_rt() argument
4051 rc = ip6_del_cached_rt(arg->cfg, arg->f6i, nh); in fib6_nh_del_cached_rt()
4062 return nexthop_for_each_fib6_nh(f6i->nh, fib6_nh_del_cached_rt, &arg); in ip6_del_cached_rt_nh()
4088 struct fib6_nh *nh; in ip6_route_del() local
4090 if (rt->nh && cfg->fc_nh_id && in ip6_route_del()
4091 rt->nh->id != cfg->fc_nh_id) in ip6_route_del()
4097 if (rt->nh) { in ip6_route_del()
4102 nh = rt->fib6_nh; in ip6_route_del()
4103 rc = ip6_del_cached_rt(cfg, rt, nh); in ip6_route_del()
4118 if (rt->nh) { in ip6_route_del()
4128 nh = rt->fib6_nh; in ip6_route_del()
4130 (!nh->fib_nh_dev || in ip6_route_del()
4131 nh->fib_nh_dev->ifindex != cfg->fc_ifindex)) in ip6_route_del()
4134 !ipv6_addr_equal(&cfg->fc_gateway, &nh->fib_nh_gw6)) in ip6_route_del()
4246 if (res.f6i->nh) { in rt6_do_redirect()
4252 nexthop_for_each_fib6_nh(res.f6i->nh, in rt6_do_redirect()
4260 res.nh = arg.match; in rt6_do_redirect()
4262 res.nh = res.f6i->fib6_nh; in rt6_do_redirect()
4317 if (rt->nh) in rt6_get_route_info()
4382 struct fib6_nh *nh; in rt6_get_dflt_router() local
4385 if (rt->nh) in rt6_get_dflt_router()
4388 nh = rt->fib6_nh; in rt6_get_dflt_router()
4389 if (dev == nh->fib_nh_dev && in rt6_get_dflt_router()
4391 ipv6_addr_equal(&nh->fib_nh_gw6, addr)) in rt6_get_dflt_router()
4645 if (!rt->nh && in fib6_remove_prefsrc()
4673 struct fib6_nh *nh; in fib6_clean_tohost() local
4676 if (rt->nh) in fib6_clean_tohost()
4679 nh = rt->fib6_nh; in fib6_clean_tohost()
4681 nh->fib_nh_gw_family && ipv6_addr_equal(gateway, &nh->fib_nh_gw6)) in fib6_clean_tohost()
4688 fib6_nh_exceptions_clean_tohost(nh, gateway); in fib6_clean_tohost()
4805 if (rt != net->ipv6.fib6_null_entry && !rt->nh && in fib6_ifup()
4891 if (rt == net->ipv6.fib6_null_entry || rt->nh) in fib6_ifdown()
4957 static int fib6_nh_mtu_change(struct fib6_nh *nh, void *_arg) in fib6_nh_mtu_change() argument
4967 if (nh->fib_nh_dev == arg->dev) { in fib6_nh_mtu_change()
4976 rt6_exceptions_update_pmtu(idev, nh, arg->mtu); in fib6_nh_mtu_change()
5002 if (f6i->nh) { in rt6_mtu_change_route()
5004 return nexthop_for_each_fib6_nh(f6i->nh, fib6_nh_mtu_change, in rt6_mtu_change_route()
5201 struct rt6_nh *nh; in ip6_route_info_append() local
5204 list_for_each_entry(nh, rt6_nh_list, next) { in ip6_route_info_append()
5206 if (rt6_duplicate_nexthop(nh->fib6_info, rt)) in ip6_route_info_append()
5210 nh = kzalloc(sizeof(*nh), GFP_KERNEL); in ip6_route_info_append()
5211 if (!nh) in ip6_route_info_append()
5213 nh->fib6_info = rt; in ip6_route_info_append()
5214 memcpy(&nh->r_cfg, r_cfg, sizeof(*r_cfg)); in ip6_route_info_append()
5215 list_add_tail(&nh->next, rt6_nh_list); in ip6_route_info_append()
5293 struct rt6_nh *nh, *nh_safe; in ip6_route_multipath_add() local
5386 list_for_each_entry(nh, &rt6_nh_list, next) { in ip6_route_multipath_add()
5387 err = __ip6_ins_rt(nh->fib6_info, info, extack); in ip6_route_multipath_add()
5393 err_nh = nh; in ip6_route_multipath_add()
5397 rt_last = nh->fib6_info; in ip6_route_multipath_add()
5401 rt_notif = nh->fib6_info; in ip6_route_multipath_add()
5454 list_for_each_entry(nh, &rt6_nh_list, next) { in ip6_route_multipath_add()
5455 if (err_nh == nh) in ip6_route_multipath_add()
5457 ip6_route_del(&nh->r_cfg, extack); in ip6_route_multipath_add()
5461 list_for_each_entry_safe(nh, nh_safe, &rt6_nh_list, next) { in ip6_route_multipath_add()
5462 fib6_info_release(nh->fib6_info); in ip6_route_multipath_add()
5463 list_del(&nh->next); in ip6_route_multipath_add()
5464 kfree(nh); in ip6_route_multipath_add()
5560 static int rt6_nh_nlmsg_size(struct fib6_nh *nh, void *arg) in rt6_nh_nlmsg_size() argument
5568 if (nh->fib_nh_lws) { in rt6_nh_nlmsg_size()
5570 *nexthop_len += lwtunnel_get_encap_size(nh->fib_nh_lws); in rt6_nh_nlmsg_size()
5582 if (f6i->nh) { in rt6_nlmsg_size()
5584 nexthop_for_each_fib6_nh(f6i->nh, rt6_nh_nlmsg_size, in rt6_nlmsg_size()
5587 struct fib6_nh *nh = f6i->fib6_nh; in rt6_nlmsg_size() local
5592 rt6_nh_nlmsg_size(nh, &nexthop_len); in rt6_nlmsg_size()
5603 nexthop_len += lwtunnel_get_encap_size(nh->fib_nh_lws); in rt6_nlmsg_size()
5622 static int rt6_fill_node_nexthop(struct sk_buff *skb, struct nexthop *nh, in rt6_fill_node_nexthop() argument
5625 if (nexthop_is_multipath(nh)) { in rt6_fill_node_nexthop()
5632 if (nexthop_mpath_fill_node(skb, nh, AF_INET6)) in rt6_fill_node_nexthop()
5639 fib6_nh = nexthop_fib6_nh(nh); in rt6_fill_node_nexthop()
5793 } else if (rt->nh) { in rt6_fill_node()
5794 if (nla_put_u32(skb, RTA_NH_ID, rt->nh->id)) in rt6_fill_node()
5797 if (nexthop_is_blackhole(rt->nh)) in rt6_fill_node()
5801 rt6_fill_node_nexthop(skb, rt->nh, &nh_flags) < 0) in rt6_fill_node()
5842 static int fib6_info_nh_uses_dev(struct fib6_nh *nh, void *arg) in fib6_info_nh_uses_dev() argument
5846 if (nh->fib_nh_dev == dev) in fib6_info_nh_uses_dev()
5855 if (f6i->nh) { in fib6_info_uses_dev()
5858 return !!nexthop_for_each_fib6_nh(f6i->nh, in fib6_info_uses_dev()
5887 static int rt6_nh_dump_exceptions(struct fib6_nh *nh, void *arg) in rt6_nh_dump_exceptions() argument
5895 bucket = fib6_nh_get_excptn_bucket(nh, NULL); in rt6_nh_dump_exceptions()
5990 if (rt->nh) { in rt6_dump_route()
5991 err = nexthop_for_each_fib6_nh(rt->nh, in rt6_dump_route()