Lines Matching full:nh
107 static int rt6_score_route(const struct fib6_nh *nh, u32 fib6_flags, int oif,
424 if (!match->nh && (!match->fib6_nsiblings || have_oif_match)) in fib6_select_path()
427 if (match->nh && have_oif_match && res->nh) in fib6_select_path()
437 (!match->nh || nexthop_is_multipath(match->nh))) in fib6_select_path()
440 if (unlikely(match->nh)) { in fib6_select_path()
450 const struct fib6_nh *nh = sibling->fib6_nh; in fib6_select_path() local
453 nh_upper_bound = atomic_read(&nh->fib_nh_upper_bound); in fib6_select_path()
456 if (rt6_score_route(nh, sibling->fib6_flags, oif, strict) < 0) in fib6_select_path()
464 res->nh = match->fib6_nh; in fib6_select_path()
471 static bool __rt6_device_match(struct net *net, const struct fib6_nh *nh, in __rt6_device_match() argument
476 if (nh->fib_nh_flags & RTNH_F_DEAD) in __rt6_device_match()
479 dev = nh->fib_nh_dev; in __rt6_device_match()
497 struct fib6_nh *nh; member
500 static int __rt6_nh_dev_match(struct fib6_nh *nh, void *_arg) in __rt6_nh_dev_match() argument
504 arg->nh = nh; in __rt6_nh_dev_match()
505 return __rt6_device_match(arg->net, nh, arg->saddr, arg->oif, in __rt6_nh_dev_match()
510 static struct fib6_nh *rt6_nh_dev_match(struct net *net, struct nexthop *nh, in rt6_nh_dev_match() argument
522 if (nexthop_is_blackhole(nh)) in rt6_nh_dev_match()
525 if (nexthop_for_each_fib6_nh(nh, __rt6_nh_dev_match, &arg)) in rt6_nh_dev_match()
526 return arg.nh; in rt6_nh_dev_match()
536 struct fib6_nh *nh; in rt6_device_match() local
539 if (unlikely(f6i->nh)) { in rt6_device_match()
540 nh = nexthop_fib6_nh(f6i->nh); in rt6_device_match()
541 if (nexthop_is_blackhole(f6i->nh)) in rt6_device_match()
544 nh = f6i->fib6_nh; in rt6_device_match()
546 if (!(nh->fib_nh_flags & RTNH_F_DEAD)) in rt6_device_match()
553 if (unlikely(spf6i->nh)) { in rt6_device_match()
554 nh = rt6_nh_dev_match(net, spf6i->nh, res, saddr, in rt6_device_match()
556 if (nh) in rt6_device_match()
559 nh = spf6i->fib6_nh; in rt6_device_match()
560 if (__rt6_device_match(net, nh, saddr, oif, flags)) in rt6_device_match()
571 nh = res->f6i->fib6_nh; in rt6_device_match()
575 if (unlikely(f6i->nh)) { in rt6_device_match()
576 nh = nexthop_fib6_nh(f6i->nh); in rt6_device_match()
577 if (nexthop_is_blackhole(f6i->nh)) in rt6_device_match()
580 nh = f6i->fib6_nh; in rt6_device_match()
583 if (nh->fib_nh_flags & RTNH_F_DEAD) { in rt6_device_match()
585 nh = res->f6i->fib6_nh; in rt6_device_match()
588 res->nh = nh; in rt6_device_match()
596 res->nh = nh; in rt6_device_match()
716 static int rt6_score_route(const struct fib6_nh *nh, u32 fib6_flags, int oif, in rt6_score_route() argument
721 if (!oif || nh->fib_nh_dev->ifindex == oif) in rt6_score_route()
730 !(fib6_flags & RTF_NONEXTHOP) && nh->fib_nh_gw_family) { in rt6_score_route()
731 int n = rt6_check_neigh(nh); in rt6_score_route()
738 static bool find_match(struct fib6_nh *nh, u32 fib6_flags, in find_match() argument
745 if (nh->fib_nh_flags & RTNH_F_DEAD) in find_match()
748 if (ip6_ignore_linkdown(nh->fib_nh_dev) && in find_match()
749 nh->fib_nh_flags & RTNH_F_LINKDOWN && in find_match()
753 m = rt6_score_route(nh, fib6_flags, oif, strict); in find_match()
762 rt6_probe(nh); in find_match()
780 struct fib6_nh *nh; member
783 static int rt6_nh_find_match(struct fib6_nh *nh, void *_arg) in rt6_nh_find_match() argument
787 arg->nh = nh; in rt6_nh_find_match()
788 return find_match(nh, arg->flags, arg->oif, arg->strict, in rt6_nh_find_match()
803 struct fib6_nh *nh; in __find_rr_leaf() local
813 if (unlikely(f6i->nh)) { in __find_rr_leaf()
822 if (nexthop_is_blackhole(f6i->nh)) { in __find_rr_leaf()
826 res->nh = nexthop_fib6_nh(f6i->nh); in __find_rr_leaf()
829 if (nexthop_for_each_fib6_nh(f6i->nh, rt6_nh_find_match, in __find_rr_leaf()
832 nh = arg.nh; in __find_rr_leaf()
835 nh = f6i->fib6_nh; in __find_rr_leaf()
836 if (find_match(nh, f6i->fib6_flags, oif, strict, in __find_rr_leaf()
842 res->nh = nh; in __find_rr_leaf()
921 res->nh = res->f6i->fib6_nh; in rt6_select()
930 res->nh->fib_nh_gw_family; in rt6_is_gw_or_nonexthop()
1016 struct net_device *dev = res->nh->fib_nh_dev; in ip6_rt_get_dev_rcu()
1110 if (res->nh->fib_nh_lws) { in ip6_rt_init_dst()
1111 rt->dst.lwtstate = lwtstate_get(res->nh->fib_nh_lws); in ip6_rt_init_dst()
1129 const struct fib6_nh *nh = res->nh; in ip6_rt_copy_init() local
1130 const struct net_device *dev = nh->fib_nh_dev; in ip6_rt_copy_init()
1138 if (nh->fib_nh_gw_family) { in ip6_rt_copy_init()
1139 rt->rt6i_gateway = nh->fib_nh_gw6; in ip6_rt_copy_init()
1185 struct net_device *dev = res->nh->fib_nh_dev; in ip6_create_rt_rcu()
1385 if (f6i->nh) in ip6_rt_pcpu_alloc()
1401 pcpu_rt = this_cpu_read(*res->nh->rt6i_pcpu); in rt6_get_pcpu_route()
1406 p = this_cpu_ptr(res->nh->rt6i_pcpu); in rt6_get_pcpu_route()
1429 p = this_cpu_ptr(res->nh->rt6i_pcpu); in rt6_make_pcpu_route()
1583 const struct fib6_nh *nh = res->nh; in fib6_mtu() local
1589 struct net_device *dev = nh->fib_nh_dev; in fib6_mtu()
1600 return mtu - lwtunnel_headroom(nh->fib_nh_lws, mtu); in fib6_mtu()
1611 struct rt6_exception_bucket *fib6_nh_get_excptn_bucket(const struct fib6_nh *nh, in fib6_nh_get_excptn_bucket() argument
1617 bucket = rcu_dereference_protected(nh->rt6i_exception_bucket, in fib6_nh_get_excptn_bucket()
1620 bucket = rcu_dereference(nh->rt6i_exception_bucket); in fib6_nh_get_excptn_bucket()
1641 static void fib6_nh_excptn_bucket_set_flushed(struct fib6_nh *nh, in fib6_nh_excptn_bucket_set_flushed() argument
1647 bucket = rcu_dereference_protected(nh->rt6i_exception_bucket, in fib6_nh_excptn_bucket_set_flushed()
1653 rcu_assign_pointer(nh->rt6i_exception_bucket, bucket); in fib6_nh_excptn_bucket_set_flushed()
1664 struct fib6_nh *nh = res->nh; in rt6_insert_exception() local
1670 bucket = rcu_dereference_protected(nh->rt6i_exception_bucket, in rt6_insert_exception()
1679 rcu_assign_pointer(nh->rt6i_exception_bucket, bucket); in rt6_insert_exception()
1739 static void fib6_nh_flush_exceptions(struct fib6_nh *nh, struct fib6_info *from) in fib6_nh_flush_exceptions() argument
1748 bucket = fib6_nh_get_excptn_bucket(nh, &rt6_exception_lock); in fib6_nh_flush_exceptions()
1754 fib6_nh_excptn_bucket_set_flushed(nh, &rt6_exception_lock); in fib6_nh_flush_exceptions()
1769 static int rt6_nh_flush_exceptions(struct fib6_nh *nh, void *arg) in rt6_nh_flush_exceptions() argument
1773 fib6_nh_flush_exceptions(nh, f6i); in rt6_nh_flush_exceptions()
1780 if (f6i->nh) in rt6_flush_exceptions()
1781 nexthop_for_each_fib6_nh(f6i->nh, rt6_nh_flush_exceptions, in rt6_flush_exceptions()
1815 bucket = fib6_nh_get_excptn_bucket(res->nh, NULL); in rt6_find_cached_rt()
1833 static int fib6_nh_remove_exception(const struct fib6_nh *nh, int plen, in fib6_nh_remove_exception() argument
1841 if (!rcu_access_pointer(nh->rt6i_exception_bucket)) in fib6_nh_remove_exception()
1845 bucket = fib6_nh_get_excptn_bucket(nh, &rt6_exception_lock); in fib6_nh_remove_exception()
1876 static int rt6_nh_remove_exception_rt(struct fib6_nh *nh, void *_arg) in rt6_nh_remove_exception_rt() argument
1881 err = fib6_nh_remove_exception(nh, arg->plen, arg->rt); in rt6_nh_remove_exception_rt()
1896 if (from->nh) { in rt6_remove_exception_rt()
1904 rc = nexthop_for_each_fib6_nh(from->nh, in rt6_remove_exception_rt()
1917 static void fib6_nh_update_exception(const struct fib6_nh *nh, int plen, in fib6_nh_update_exception() argument
1924 bucket = fib6_nh_get_excptn_bucket(nh, NULL); in fib6_nh_update_exception()
1947 static int fib6_nh_find_match(struct fib6_nh *nh, void *_arg) in fib6_nh_find_match() argument
1951 if (arg->dev != nh->fib_nh_dev || in fib6_nh_find_match()
1952 (arg->gw && !nh->fib_nh_gw_family) || in fib6_nh_find_match()
1953 (!arg->gw && nh->fib_nh_gw_family) || in fib6_nh_find_match()
1954 (arg->gw && !ipv6_addr_equal(arg->gw, &nh->fib_nh_gw6))) in fib6_nh_find_match()
1957 arg->match = nh; in fib6_nh_find_match()
1974 if (from->nh) { in rt6_update_exception_stamp_rt()
1980 nexthop_for_each_fib6_nh(from->nh, fib6_nh_find_match, &arg); in rt6_update_exception_stamp_rt()
2016 const struct fib6_nh *nh, int mtu) in rt6_exceptions_update_pmtu() argument
2022 bucket = fib6_nh_get_excptn_bucket(nh, &rt6_exception_lock); in rt6_exceptions_update_pmtu()
2044 static void fib6_nh_exceptions_clean_tohost(const struct fib6_nh *nh, in fib6_nh_exceptions_clean_tohost() argument
2052 if (!rcu_access_pointer(nh->rt6i_exception_bucket)) in fib6_nh_exceptions_clean_tohost()
2056 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()
2234 !res.nh->fib_nh_gw_family)) { in ip6_pol_route()
2892 if (res.f6i->nh) { in __ip6_rt_update_pmtu()
2898 nexthop_for_each_fib6_nh(res.f6i->nh, in __ip6_rt_update_pmtu()
2907 res.nh = arg.match; in __ip6_rt_update_pmtu()
2909 res.nh = res.f6i->fib6_nh; in __ip6_rt_update_pmtu()
2997 const struct fib6_nh *nh = res->nh; in ip6_redirect_nh_match() local
2999 if (nh->fib_nh_flags & RTNH_F_DEAD || !nh->fib_nh_gw_family || in ip6_redirect_nh_match()
3000 fl6->flowi6_oif != nh->fib_nh_dev->ifindex) in ip6_redirect_nh_match()
3008 if (!ipv6_addr_equal(gw, &nh->fib_nh_gw6)) { in ip6_redirect_nh_match()
3029 static int fib6_nh_redirect_match(struct fib6_nh *nh, void *_arg) in fib6_nh_redirect_match() argument
3033 arg->res->nh = nh; in fib6_nh_redirect_match()
3080 if (unlikely(rt->nh)) { in __ip6_route_redirect()
3081 if (nexthop_is_blackhole(rt->nh)) in __ip6_route_redirect()
3083 /* on match, res->nh is filled in and potentially ret */ in __ip6_route_redirect()
3084 if (nexthop_for_each_fib6_nh(rt->nh, in __ip6_route_redirect()
3089 res.nh = rt->fib6_nh; in __ip6_route_redirect()
3110 res.nh = rt->fib6_nh; in __ip6_route_redirect()
3232 const struct fib6_nh *nh = res->nh; in ip6_mtu_from_fib6() local
3248 struct net_device *dev = nh->fib_nh_dev; in ip6_mtu_from_fib6()
3258 return mtu - lwtunnel_headroom(nh->fib_nh_lws, mtu); in ip6_mtu_from_fib6()
3363 (res.fib6_type != RTN_UNICAST || dev != res.nh->fib_nh_dev)) { in ip6_route_check_nh_onlink()
3391 res.nh->fib_nh_gw_family || in ip6_route_check_nh()
3392 (dev && dev != res.nh->fib_nh_dev)) in ip6_route_check_nh()
3404 res.nh->fib_nh_gw_family) in ip6_route_check_nh()
3416 if (dev != res.nh->fib_nh_dev) in ip6_route_check_nh()
3419 *_dev = dev = res.nh->fib_nh_dev; in ip6_route_check_nh()
3694 struct nexthop *nh = NULL; in ip6_route_info_create() local
3733 nh = nexthop_find_by_id(net, cfg->fc_nh_id); in ip6_route_info_create()
3734 if (!nh) { in ip6_route_info_create()
3738 err = fib6_check_nexthop(nh, cfg, extack); in ip6_route_info_create()
3759 rt = fib6_info_alloc(gfp_flags, !nh); in ip6_route_info_create()
3797 if (nh) { in ip6_route_info_create()
3803 if (!nexthop_get(nh)) { in ip6_route_info_create()
3808 rt->nh = nh; in ip6_route_info_create()
3809 fib6_nh = nexthop_fib6_nh(rt->nh); in ip6_route_info_create()
3992 struct fib6_nh *nh) in ip6_del_cached_rt() argument
3996 .nh = nh, in ip6_del_cached_rt()
4012 static int fib6_nh_del_cached_rt(struct fib6_nh *nh, void *_arg) in fib6_nh_del_cached_rt() argument
4017 rc = ip6_del_cached_rt(arg->cfg, arg->f6i, nh); in fib6_nh_del_cached_rt()
4028 return nexthop_for_each_fib6_nh(f6i->nh, fib6_nh_del_cached_rt, &arg); in ip6_del_cached_rt_nh()
4054 struct fib6_nh *nh; in ip6_route_del() local
4056 if (rt->nh && cfg->fc_nh_id && in ip6_route_del()
4057 rt->nh->id != cfg->fc_nh_id) in ip6_route_del()
4063 if (rt->nh) { in ip6_route_del()
4068 nh = rt->fib6_nh; in ip6_route_del()
4069 rc = ip6_del_cached_rt(cfg, rt, nh); in ip6_route_del()
4084 if (rt->nh) { in ip6_route_del()
4094 nh = rt->fib6_nh; in ip6_route_del()
4096 (!nh->fib_nh_dev || in ip6_route_del()
4097 nh->fib_nh_dev->ifindex != cfg->fc_ifindex)) in ip6_route_del()
4100 !ipv6_addr_equal(&cfg->fc_gateway, &nh->fib_nh_gw6)) in ip6_route_del()
4212 if (res.f6i->nh) { in rt6_do_redirect()
4218 nexthop_for_each_fib6_nh(res.f6i->nh, in rt6_do_redirect()
4226 res.nh = arg.match; in rt6_do_redirect()
4228 res.nh = res.f6i->fib6_nh; in rt6_do_redirect()
4283 if (rt->nh) in rt6_get_route_info()
4348 struct fib6_nh *nh; in rt6_get_dflt_router() local
4351 if (rt->nh) in rt6_get_dflt_router()
4354 nh = rt->fib6_nh; in rt6_get_dflt_router()
4355 if (dev == nh->fib_nh_dev && in rt6_get_dflt_router()
4357 ipv6_addr_equal(&nh->fib_nh_gw6, addr)) in rt6_get_dflt_router()
4611 if (!rt->nh && in fib6_remove_prefsrc()
4639 struct fib6_nh *nh; in fib6_clean_tohost() local
4642 if (rt->nh) in fib6_clean_tohost()
4645 nh = rt->fib6_nh; in fib6_clean_tohost()
4647 nh->fib_nh_gw_family && ipv6_addr_equal(gateway, &nh->fib_nh_gw6)) in fib6_clean_tohost()
4654 fib6_nh_exceptions_clean_tohost(nh, gateway); in fib6_clean_tohost()
4771 if (rt != net->ipv6.fib6_null_entry && !rt->nh && in fib6_ifup()
4857 if (rt == net->ipv6.fib6_null_entry || rt->nh) in fib6_ifdown()
4923 static int fib6_nh_mtu_change(struct fib6_nh *nh, void *_arg) in fib6_nh_mtu_change() argument
4933 if (nh->fib_nh_dev == arg->dev) { in fib6_nh_mtu_change()
4942 rt6_exceptions_update_pmtu(idev, nh, arg->mtu); in fib6_nh_mtu_change()
4968 if (f6i->nh) { in rt6_mtu_change_route()
4970 return nexthop_for_each_fib6_nh(f6i->nh, fib6_nh_mtu_change, in rt6_mtu_change_route()
5167 struct rt6_nh *nh; in ip6_route_info_append() local
5170 list_for_each_entry(nh, rt6_nh_list, next) { in ip6_route_info_append()
5172 if (rt6_duplicate_nexthop(nh->fib6_info, rt)) in ip6_route_info_append()
5176 nh = kzalloc(sizeof(*nh), GFP_KERNEL); in ip6_route_info_append()
5177 if (!nh) in ip6_route_info_append()
5179 nh->fib6_info = rt; in ip6_route_info_append()
5180 memcpy(&nh->r_cfg, r_cfg, sizeof(*r_cfg)); in ip6_route_info_append()
5181 list_add_tail(&nh->next, rt6_nh_list); in ip6_route_info_append()
5259 struct rt6_nh *nh, *nh_safe; in ip6_route_multipath_add() local
5352 list_for_each_entry(nh, &rt6_nh_list, next) { in ip6_route_multipath_add()
5353 err = __ip6_ins_rt(nh->fib6_info, info, extack); in ip6_route_multipath_add()
5359 err_nh = nh; in ip6_route_multipath_add()
5363 rt_last = nh->fib6_info; in ip6_route_multipath_add()
5367 rt_notif = nh->fib6_info; in ip6_route_multipath_add()
5420 list_for_each_entry(nh, &rt6_nh_list, next) { in ip6_route_multipath_add()
5421 if (err_nh == nh) in ip6_route_multipath_add()
5423 ip6_route_del(&nh->r_cfg, extack); in ip6_route_multipath_add()
5427 list_for_each_entry_safe(nh, nh_safe, &rt6_nh_list, next) { in ip6_route_multipath_add()
5428 fib6_info_release(nh->fib6_info); in ip6_route_multipath_add()
5429 list_del(&nh->next); in ip6_route_multipath_add()
5430 kfree(nh); in ip6_route_multipath_add()
5526 static int rt6_nh_nlmsg_size(struct fib6_nh *nh, void *arg) in rt6_nh_nlmsg_size() argument
5534 if (nh->fib_nh_lws) { in rt6_nh_nlmsg_size()
5536 *nexthop_len += lwtunnel_get_encap_size(nh->fib_nh_lws); in rt6_nh_nlmsg_size()
5548 if (f6i->nh) { in rt6_nlmsg_size()
5550 nexthop_for_each_fib6_nh(f6i->nh, rt6_nh_nlmsg_size, in rt6_nlmsg_size()
5553 struct fib6_nh *nh = f6i->fib6_nh; in rt6_nlmsg_size() local
5558 rt6_nh_nlmsg_size(nh, &nexthop_len); in rt6_nlmsg_size()
5569 nexthop_len += lwtunnel_get_encap_size(nh->fib_nh_lws); in rt6_nlmsg_size()
5588 static int rt6_fill_node_nexthop(struct sk_buff *skb, struct nexthop *nh, in rt6_fill_node_nexthop() argument
5591 if (nexthop_is_multipath(nh)) { in rt6_fill_node_nexthop()
5598 if (nexthop_mpath_fill_node(skb, nh, AF_INET6)) in rt6_fill_node_nexthop()
5605 fib6_nh = nexthop_fib6_nh(nh); in rt6_fill_node_nexthop()
5759 } else if (rt->nh) { in rt6_fill_node()
5760 if (nla_put_u32(skb, RTA_NH_ID, rt->nh->id)) in rt6_fill_node()
5763 if (nexthop_is_blackhole(rt->nh)) in rt6_fill_node()
5767 rt6_fill_node_nexthop(skb, rt->nh, &nh_flags) < 0) in rt6_fill_node()
5808 static int fib6_info_nh_uses_dev(struct fib6_nh *nh, void *arg) in fib6_info_nh_uses_dev() argument
5812 if (nh->fib_nh_dev == dev) in fib6_info_nh_uses_dev()
5821 if (f6i->nh) { in fib6_info_uses_dev()
5824 return !!nexthop_for_each_fib6_nh(f6i->nh, in fib6_info_uses_dev()
5853 static int rt6_nh_dump_exceptions(struct fib6_nh *nh, void *arg) in rt6_nh_dump_exceptions() argument
5861 bucket = fib6_nh_get_excptn_bucket(nh, NULL); in rt6_nh_dump_exceptions()
5956 if (rt->nh) { in rt6_dump_route()
5957 err = nexthop_for_each_fib6_nh(rt->nh, in rt6_dump_route()