ipv6: Rename fib6_nh entries
Rename fib6_nh entries that will be moved to a fib_nh_common struct. Specifically, the device, gateway, flags, and lwtstate are common with all nexthop definitions. In some places new temporary variables are declared or local variables renamed to maintain line lengths. Rename only; no functional change intended. Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>hifive-unleashed-5.2
David Ahern
David S. Miller
parent
b75ed8b1aa
commit
ad1601ae02
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@ -2873,12 +2873,13 @@ mlxsw_sp_nexthop6_group_cmp(const struct mlxsw_sp_nexthop_group *nh_grp,
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return false;
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list_for_each_entry(mlxsw_sp_rt6, &fib6_entry->rt6_list, list) {
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struct fib6_nh *fib6_nh = &mlxsw_sp_rt6->rt->fib6_nh;
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struct in6_addr *gw;
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int ifindex, weight;
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ifindex = mlxsw_sp_rt6->rt->fib6_nh.nh_dev->ifindex;
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weight = mlxsw_sp_rt6->rt->fib6_nh.nh_weight;
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gw = &mlxsw_sp_rt6->rt->fib6_nh.nh_gw;
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ifindex = fib6_nh->fib_nh_dev->ifindex;
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weight = fib6_nh->fib_nh_weight;
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gw = &fib6_nh->fib_nh_gw6;
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if (!mlxsw_sp_nexthop6_group_has_nexthop(nh_grp, gw, ifindex,
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weight))
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return false;
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@ -2944,7 +2945,7 @@ mlxsw_sp_nexthop6_group_hash(struct mlxsw_sp_fib6_entry *fib6_entry, u32 seed)
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struct net_device *dev;
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list_for_each_entry(mlxsw_sp_rt6, &fib6_entry->rt6_list, list) {
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dev = mlxsw_sp_rt6->rt->fib6_nh.nh_dev;
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dev = mlxsw_sp_rt6->rt->fib6_nh.fib_nh_dev;
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val ^= dev->ifindex;
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}
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@ -3946,9 +3947,9 @@ mlxsw_sp_rt6_nexthop(struct mlxsw_sp_nexthop_group *nh_grp,
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struct mlxsw_sp_nexthop *nh = &nh_grp->nexthops[i];
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struct fib6_info *rt = mlxsw_sp_rt6->rt;
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if (nh->rif && nh->rif->dev == rt->fib6_nh.nh_dev &&
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if (nh->rif && nh->rif->dev == rt->fib6_nh.fib_nh_dev &&
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ipv6_addr_equal((const struct in6_addr *) &nh->gw_addr,
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&rt->fib6_nh.nh_gw))
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&rt->fib6_nh.fib_nh_gw6))
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return nh;
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continue;
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}
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@ -4008,19 +4009,20 @@ mlxsw_sp_fib6_entry_offload_set(struct mlxsw_sp_fib_entry *fib_entry)
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if (fib_entry->type == MLXSW_SP_FIB_ENTRY_TYPE_LOCAL ||
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fib_entry->type == MLXSW_SP_FIB_ENTRY_TYPE_BLACKHOLE) {
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list_first_entry(&fib6_entry->rt6_list, struct mlxsw_sp_rt6,
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list)->rt->fib6_nh.nh_flags |= RTNH_F_OFFLOAD;
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list)->rt->fib6_nh.fib_nh_flags |= RTNH_F_OFFLOAD;
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return;
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}
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list_for_each_entry(mlxsw_sp_rt6, &fib6_entry->rt6_list, list) {
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struct mlxsw_sp_nexthop_group *nh_grp = fib_entry->nh_group;
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struct fib6_nh *fib6_nh = &mlxsw_sp_rt6->rt->fib6_nh;
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struct mlxsw_sp_nexthop *nh;
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nh = mlxsw_sp_rt6_nexthop(nh_grp, mlxsw_sp_rt6);
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if (nh && nh->offloaded)
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mlxsw_sp_rt6->rt->fib6_nh.nh_flags |= RTNH_F_OFFLOAD;
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fib6_nh->fib_nh_flags |= RTNH_F_OFFLOAD;
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else
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mlxsw_sp_rt6->rt->fib6_nh.nh_flags &= ~RTNH_F_OFFLOAD;
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fib6_nh->fib_nh_flags &= ~RTNH_F_OFFLOAD;
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}
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}
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@ -4035,7 +4037,7 @@ mlxsw_sp_fib6_entry_offload_unset(struct mlxsw_sp_fib_entry *fib_entry)
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list_for_each_entry(mlxsw_sp_rt6, &fib6_entry->rt6_list, list) {
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struct fib6_info *rt = mlxsw_sp_rt6->rt;
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rt->fib6_nh.nh_flags &= ~RTNH_F_OFFLOAD;
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rt->fib6_nh.fib_nh_flags &= ~RTNH_F_OFFLOAD;
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}
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}
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@ -4972,8 +4974,8 @@ static bool mlxsw_sp_nexthop6_ipip_type(const struct mlxsw_sp *mlxsw_sp,
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const struct fib6_info *rt,
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enum mlxsw_sp_ipip_type *ret)
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{
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return rt->fib6_nh.nh_dev &&
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mlxsw_sp_netdev_ipip_type(mlxsw_sp, rt->fib6_nh.nh_dev, ret);
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return rt->fib6_nh.fib_nh_dev &&
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mlxsw_sp_netdev_ipip_type(mlxsw_sp, rt->fib6_nh.fib_nh_dev, ret);
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}
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static int mlxsw_sp_nexthop6_type_init(struct mlxsw_sp *mlxsw_sp,
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@ -4983,7 +4985,7 @@ static int mlxsw_sp_nexthop6_type_init(struct mlxsw_sp *mlxsw_sp,
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{
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const struct mlxsw_sp_ipip_ops *ipip_ops;
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struct mlxsw_sp_ipip_entry *ipip_entry;
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struct net_device *dev = rt->fib6_nh.nh_dev;
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struct net_device *dev = rt->fib6_nh.fib_nh_dev;
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struct mlxsw_sp_rif *rif;
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int err;
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@ -5026,11 +5028,11 @@ static int mlxsw_sp_nexthop6_init(struct mlxsw_sp *mlxsw_sp,
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struct mlxsw_sp_nexthop *nh,
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const struct fib6_info *rt)
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{
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struct net_device *dev = rt->fib6_nh.nh_dev;
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struct net_device *dev = rt->fib6_nh.fib_nh_dev;
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nh->nh_grp = nh_grp;
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nh->nh_weight = rt->fib6_nh.nh_weight;
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memcpy(&nh->gw_addr, &rt->fib6_nh.nh_gw, sizeof(nh->gw_addr));
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nh->nh_weight = rt->fib6_nh.fib_nh_weight;
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memcpy(&nh->gw_addr, &rt->fib6_nh.fib_nh_gw6, sizeof(nh->gw_addr));
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mlxsw_sp_nexthop_counter_alloc(mlxsw_sp, nh);
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list_add_tail(&nh->router_list_node, &mlxsw_sp->router->nexthop_list);
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@ -125,14 +125,14 @@ struct rt6_exception {
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#define FIB6_MAX_DEPTH 5
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struct fib6_nh {
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struct in6_addr nh_gw;
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struct in6_addr fib_nh_gw6;
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bool fib_nh_has_gw;
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struct net_device *nh_dev;
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struct lwtunnel_state *nh_lwtstate;
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struct net_device *fib_nh_dev;
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struct lwtunnel_state *fib_nh_lws;
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unsigned int nh_flags;
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atomic_t nh_upper_bound;
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int nh_weight;
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unsigned int fib_nh_flags;
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atomic_t fib_nh_upper_bound;
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int fib_nh_weight;
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};
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struct fib6_info {
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@ -442,7 +442,7 @@ void rt6_get_prefsrc(const struct rt6_info *rt, struct in6_addr *addr)
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static inline struct net_device *fib6_info_nh_dev(const struct fib6_info *f6i)
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{
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return f6i->fib6_nh.nh_dev;
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return f6i->fib6_nh.fib_nh_dev;
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}
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int fib6_nh_init(struct net *net, struct fib6_nh *fib6_nh,
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@ -453,7 +453,7 @@ void fib6_nh_release(struct fib6_nh *fib6_nh);
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static inline
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struct lwtunnel_state *fib6_info_nh_lwt(const struct fib6_info *f6i)
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{
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return f6i->fib6_nh.nh_lwtstate;
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return f6i->fib6_nh.fib_nh_lws;
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}
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void inet6_rt_notify(int event, struct fib6_info *rt, struct nl_info *info,
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@ -274,9 +274,11 @@ static inline struct in6_addr *rt6_nexthop(struct rt6_info *rt,
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static inline bool rt6_duplicate_nexthop(struct fib6_info *a, struct fib6_info *b)
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{
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return a->fib6_nh.nh_dev == b->fib6_nh.nh_dev &&
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ipv6_addr_equal(&a->fib6_nh.nh_gw, &b->fib6_nh.nh_gw) &&
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!lwtunnel_cmp_encap(a->fib6_nh.nh_lwtstate, b->fib6_nh.nh_lwtstate);
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struct fib6_nh *nha = &a->fib6_nh, *nhb = &b->fib6_nh;
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return nha->fib_nh_dev == nhb->fib_nh_dev &&
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ipv6_addr_equal(&nha->fib_nh_gw6, &nhb->fib_nh_gw6) &&
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!lwtunnel_cmp_encap(nha->fib_nh_lws, nhb->fib_nh_lws);
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}
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static inline unsigned int ip6_dst_mtu_forward(const struct dst_entry *dst)
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@ -62,8 +62,8 @@ TRACE_EVENT(fib6_table_lookup,
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__entry->dport = 0;
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}
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if (f6i->fib6_nh.nh_dev) {
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__assign_str(name, f6i->fib6_nh.nh_dev);
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if (f6i->fib6_nh.fib_nh_dev) {
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__assign_str(name, f6i->fib6_nh.fib_nh_dev);
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} else {
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__assign_str(name, "-");
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}
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@ -75,7 +75,7 @@ TRACE_EVENT(fib6_table_lookup,
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} else if (f6i) {
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in6 = (struct in6_addr *)__entry->gw;
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*in6 = f6i->fib6_nh.nh_gw;
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*in6 = f6i->fib6_nh.fib_nh_gw6;
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}
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),
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@ -4748,13 +4748,13 @@ static int bpf_ipv6_fib_lookup(struct net *net, struct bpf_fib_lookup *params,
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return BPF_FIB_LKUP_RET_FRAG_NEEDED;
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}
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if (f6i->fib6_nh.nh_lwtstate)
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if (f6i->fib6_nh.fib_nh_lws)
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return BPF_FIB_LKUP_RET_UNSUPP_LWT;
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if (f6i->fib6_nh.fib_nh_has_gw)
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*dst = f6i->fib6_nh.nh_gw;
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*dst = f6i->fib6_nh.fib_nh_gw6;
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dev = f6i->fib6_nh.nh_dev;
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dev = f6i->fib6_nh.fib_nh_dev;
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params->rt_metric = f6i->fib6_metric;
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/* xdp and cls_bpf programs are run in RCU-bh so rcu_read_lock_bh is
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@ -2419,7 +2419,7 @@ static struct fib6_info *addrconf_get_prefix_route(const struct in6_addr *pfx,
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goto out;
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for_each_fib6_node_rt_rcu(fn) {
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if (rt->fib6_nh.nh_dev->ifindex != dev->ifindex)
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if (rt->fib6_nh.fib_nh_dev->ifindex != dev->ifindex)
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continue;
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if (no_gw && rt->fib6_nh.fib_nh_has_gw)
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continue;
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@ -2306,12 +2306,12 @@ static int ipv6_route_seq_show(struct seq_file *seq, void *v)
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#endif
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if (rt->fib6_nh.fib_nh_has_gw) {
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flags |= RTF_GATEWAY;
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seq_printf(seq, "%pi6", &rt->fib6_nh.nh_gw);
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seq_printf(seq, "%pi6", &rt->fib6_nh.fib_nh_gw6);
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} else {
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seq_puts(seq, "00000000000000000000000000000000");
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}
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dev = rt->fib6_nh.nh_dev;
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dev = rt->fib6_nh.fib_nh_dev;
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seq_printf(seq, " %08x %08x %08x %08x %8s\n",
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rt->fib6_metric, atomic_read(&rt->fib6_ref), 0,
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flags, dev ? dev->name : "");
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@ -1276,8 +1276,8 @@ static void ndisc_router_discovery(struct sk_buff *skb)
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rt = rt6_get_dflt_router(net, &ipv6_hdr(skb)->saddr, skb->dev);
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if (rt) {
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neigh = ip6_neigh_lookup(&rt->fib6_nh.nh_gw,
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rt->fib6_nh.nh_dev, NULL,
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neigh = ip6_neigh_lookup(&rt->fib6_nh.fib_nh_gw6,
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rt->fib6_nh.fib_nh_dev, NULL,
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&ipv6_hdr(skb)->saddr);
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if (!neigh) {
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ND_PRINTK(0, err,
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@ -1306,8 +1306,8 @@ static void ndisc_router_discovery(struct sk_buff *skb)
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return;
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}
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neigh = ip6_neigh_lookup(&rt->fib6_nh.nh_gw,
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rt->fib6_nh.nh_dev, NULL,
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neigh = ip6_neigh_lookup(&rt->fib6_nh.fib_nh_gw6,
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rt->fib6_nh.fib_nh_dev, NULL,
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&ipv6_hdr(skb)->saddr);
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if (!neigh) {
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ND_PRINTK(0, err,
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181
net/ipv6/route.c
181
net/ipv6/route.c
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@ -441,14 +441,14 @@ struct fib6_info *fib6_multipath_select(const struct net *net,
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if (!fl6->mp_hash)
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fl6->mp_hash = rt6_multipath_hash(net, fl6, skb, NULL);
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if (fl6->mp_hash <= atomic_read(&match->fib6_nh.nh_upper_bound))
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if (fl6->mp_hash <= atomic_read(&match->fib6_nh.fib_nh_upper_bound))
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return match;
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list_for_each_entry_safe(sibling, next_sibling, &match->fib6_siblings,
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fib6_siblings) {
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int nh_upper_bound;
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nh_upper_bound = atomic_read(&sibling->fib6_nh.nh_upper_bound);
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nh_upper_bound = atomic_read(&sibling->fib6_nh.fib_nh_upper_bound);
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if (fl6->mp_hash > nh_upper_bound)
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continue;
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if (rt6_score_route(sibling, oif, strict) < 0)
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@ -473,13 +473,13 @@ static inline struct fib6_info *rt6_device_match(struct net *net,
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struct fib6_info *sprt;
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if (!oif && ipv6_addr_any(saddr) &&
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!(rt->fib6_nh.nh_flags & RTNH_F_DEAD))
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!(rt->fib6_nh.fib_nh_flags & RTNH_F_DEAD))
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return rt;
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for (sprt = rt; sprt; sprt = rcu_dereference(sprt->fib6_next)) {
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const struct net_device *dev = sprt->fib6_nh.nh_dev;
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const struct net_device *dev = sprt->fib6_nh.fib_nh_dev;
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if (sprt->fib6_nh.nh_flags & RTNH_F_DEAD)
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if (sprt->fib6_nh.fib_nh_flags & RTNH_F_DEAD)
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continue;
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if (oif) {
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@ -495,7 +495,7 @@ static inline struct fib6_info *rt6_device_match(struct net *net,
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if (oif && flags & RT6_LOOKUP_F_IFACE)
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return net->ipv6.fib6_null_entry;
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return rt->fib6_nh.nh_flags & RTNH_F_DEAD ? net->ipv6.fib6_null_entry : rt;
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return rt->fib6_nh.fib_nh_flags & RTNH_F_DEAD ? net->ipv6.fib6_null_entry : rt;
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}
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#ifdef CONFIG_IPV6_ROUTER_PREF
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@ -536,8 +536,8 @@ static void rt6_probe(struct fib6_info *rt)
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if (!rt || !rt->fib6_nh.fib_nh_has_gw)
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return;
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nh_gw = &rt->fib6_nh.nh_gw;
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dev = rt->fib6_nh.nh_dev;
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nh_gw = &rt->fib6_nh.fib_nh_gw6;
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dev = rt->fib6_nh.fib_nh_dev;
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rcu_read_lock_bh();
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idev = __in6_dev_get(dev);
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neigh = __ipv6_neigh_lookup_noref(dev, nh_gw);
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@ -582,7 +582,7 @@ static inline void rt6_probe(struct fib6_info *rt)
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*/
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static inline int rt6_check_dev(struct fib6_info *rt, int oif)
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{
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const struct net_device *dev = rt->fib6_nh.nh_dev;
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const struct net_device *dev = rt->fib6_nh.fib_nh_dev;
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if (!oif || dev->ifindex == oif)
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return 2;
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@ -599,8 +599,8 @@ static inline enum rt6_nud_state rt6_check_neigh(struct fib6_info *rt)
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return RT6_NUD_SUCCEED;
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rcu_read_lock_bh();
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neigh = __ipv6_neigh_lookup_noref(rt->fib6_nh.nh_dev,
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&rt->fib6_nh.nh_gw);
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neigh = __ipv6_neigh_lookup_noref(rt->fib6_nh.fib_nh_dev,
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&rt->fib6_nh.fib_nh_gw6);
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if (neigh) {
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read_lock(&neigh->lock);
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if (neigh->nud_state & NUD_VALID)
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@ -646,11 +646,11 @@ static struct fib6_info *find_match(struct fib6_info *rt, int oif, int strict,
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int m;
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bool match_do_rr = false;
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if (rt->fib6_nh.nh_flags & RTNH_F_DEAD)
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if (rt->fib6_nh.fib_nh_flags & RTNH_F_DEAD)
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goto out;
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if (ip6_ignore_linkdown(rt->fib6_nh.nh_dev) &&
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rt->fib6_nh.nh_flags & RTNH_F_LINKDOWN &&
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if (ip6_ignore_linkdown(rt->fib6_nh.fib_nh_dev) &&
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rt->fib6_nh.fib_nh_flags & RTNH_F_LINKDOWN &&
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!(strict & RT6_LOOKUP_F_IGNORE_LINKSTATE))
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goto out;
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|
|
@ -855,7 +855,7 @@ int rt6_route_rcv(struct net_device *dev, u8 *opt, int len,
|
|||
/* called with rcu_lock held */
|
||||
static struct net_device *ip6_rt_get_dev_rcu(struct fib6_info *rt)
|
||||
{
|
||||
struct net_device *dev = rt->fib6_nh.nh_dev;
|
||||
struct net_device *dev = rt->fib6_nh.fib_nh_dev;
|
||||
|
||||
if (rt->fib6_flags & (RTF_LOCAL | RTF_ANYCAST)) {
|
||||
/* for copies of local routes, dst->dev needs to be the
|
||||
|
|
@ -949,8 +949,8 @@ static void ip6_rt_init_dst(struct rt6_info *rt, struct fib6_info *ort)
|
|||
rt->dst.input = ip6_forward;
|
||||
}
|
||||
|
||||
if (ort->fib6_nh.nh_lwtstate) {
|
||||
rt->dst.lwtstate = lwtstate_get(ort->fib6_nh.nh_lwtstate);
|
||||
if (ort->fib6_nh.fib_nh_lws) {
|
||||
rt->dst.lwtstate = lwtstate_get(ort->fib6_nh.fib_nh_lws);
|
||||
lwtunnel_set_redirect(&rt->dst);
|
||||
}
|
||||
|
||||
|
|
@ -976,7 +976,7 @@ static void ip6_rt_copy_init(struct rt6_info *rt, struct fib6_info *ort)
|
|||
rt->rt6i_idev = dev ? in6_dev_get(dev) : NULL;
|
||||
rt->rt6i_flags = ort->fib6_flags;
|
||||
if (ort->fib6_nh.fib_nh_has_gw) {
|
||||
rt->rt6i_gateway = ort->fib6_nh.nh_gw;
|
||||
rt->rt6i_gateway = ort->fib6_nh.fib_nh_gw6;
|
||||
rt->rt6i_flags |= RTF_GATEWAY;
|
||||
}
|
||||
rt6_set_from(rt, ort);
|
||||
|
|
@ -1023,7 +1023,7 @@ static bool ip6_hold_safe(struct net *net, struct rt6_info **prt)
|
|||
static struct rt6_info *ip6_create_rt_rcu(struct fib6_info *rt)
|
||||
{
|
||||
unsigned short flags = fib6_info_dst_flags(rt);
|
||||
struct net_device *dev = rt->fib6_nh.nh_dev;
|
||||
struct net_device *dev = rt->fib6_nh.fib_nh_dev;
|
||||
struct rt6_info *nrt;
|
||||
|
||||
if (!fib6_info_hold_safe(rt))
|
||||
|
|
@ -1407,7 +1407,7 @@ static unsigned int fib6_mtu(const struct fib6_info *rt)
|
|||
|
||||
mtu = min_t(unsigned int, mtu, IP6_MAX_MTU);
|
||||
|
||||
return mtu - lwtunnel_headroom(rt->fib6_nh.nh_lwtstate, mtu);
|
||||
return mtu - lwtunnel_headroom(rt->fib6_nh.fib_nh_lws, mtu);
|
||||
}
|
||||
|
||||
static int rt6_insert_exception(struct rt6_info *nrt,
|
||||
|
|
@ -2424,7 +2424,7 @@ static struct rt6_info *__ip6_route_redirect(struct net *net,
|
|||
fn = fib6_node_lookup(&table->tb6_root, &fl6->daddr, &fl6->saddr);
|
||||
restart:
|
||||
for_each_fib6_node_rt_rcu(fn) {
|
||||
if (rt->fib6_nh.nh_flags & RTNH_F_DEAD)
|
||||
if (rt->fib6_nh.fib_nh_flags & RTNH_F_DEAD)
|
||||
continue;
|
||||
if (fib6_check_expired(rt))
|
||||
continue;
|
||||
|
|
@ -2432,14 +2432,14 @@ restart:
|
|||
break;
|
||||
if (!rt->fib6_nh.fib_nh_has_gw)
|
||||
continue;
|
||||
if (fl6->flowi6_oif != rt->fib6_nh.nh_dev->ifindex)
|
||||
if (fl6->flowi6_oif != rt->fib6_nh.fib_nh_dev->ifindex)
|
||||
continue;
|
||||
/* rt_cache's gateway might be different from its 'parent'
|
||||
* in the case of an ip redirect.
|
||||
* So we keep searching in the exception table if the gateway
|
||||
* is different.
|
||||
*/
|
||||
if (!ipv6_addr_equal(&rdfl->gateway, &rt->fib6_nh.nh_gw)) {
|
||||
if (!ipv6_addr_equal(&rdfl->gateway, &rt->fib6_nh.fib_nh_gw6)) {
|
||||
rt_cache = rt6_find_cached_rt(rt,
|
||||
&fl6->daddr,
|
||||
&fl6->saddr);
|
||||
|
|
@ -2929,7 +2929,7 @@ int fib6_nh_init(struct net *net, struct fib6_nh *fib6_nh,
|
|||
goto out;
|
||||
}
|
||||
|
||||
fib6_nh->nh_flags |= RTNH_F_ONLINK;
|
||||
fib6_nh->fib_nh_flags |= RTNH_F_ONLINK;
|
||||
}
|
||||
|
||||
if (cfg->fc_encap) {
|
||||
|
|
@ -2941,10 +2941,10 @@ int fib6_nh_init(struct net *net, struct fib6_nh *fib6_nh,
|
|||
if (err)
|
||||
goto out;
|
||||
|
||||
fib6_nh->nh_lwtstate = lwtstate_get(lwtstate);
|
||||
fib6_nh->fib_nh_lws = lwtstate_get(lwtstate);
|
||||
}
|
||||
|
||||
fib6_nh->nh_weight = 1;
|
||||
fib6_nh->fib_nh_weight = 1;
|
||||
|
||||
/* We cannot add true routes via loopback here,
|
||||
* they would result in kernel looping; promote them to reject routes
|
||||
|
|
@ -2973,7 +2973,7 @@ int fib6_nh_init(struct net *net, struct fib6_nh *fib6_nh,
|
|||
if (err)
|
||||
goto out;
|
||||
|
||||
fib6_nh->nh_gw = cfg->fc_gateway;
|
||||
fib6_nh->fib_nh_gw6 = cfg->fc_gateway;
|
||||
fib6_nh->fib_nh_has_gw = 1;
|
||||
}
|
||||
|
||||
|
|
@ -2995,18 +2995,18 @@ int fib6_nh_init(struct net *net, struct fib6_nh *fib6_nh,
|
|||
|
||||
if (!(cfg->fc_flags & (RTF_LOCAL | RTF_ANYCAST)) &&
|
||||
!netif_carrier_ok(dev))
|
||||
fib6_nh->nh_flags |= RTNH_F_LINKDOWN;
|
||||
fib6_nh->fib_nh_flags |= RTNH_F_LINKDOWN;
|
||||
|
||||
set_dev:
|
||||
fib6_nh->nh_dev = dev;
|
||||
fib6_nh->fib_nh_dev = dev;
|
||||
err = 0;
|
||||
out:
|
||||
if (idev)
|
||||
in6_dev_put(idev);
|
||||
|
||||
if (err) {
|
||||
lwtstate_put(fib6_nh->nh_lwtstate);
|
||||
fib6_nh->nh_lwtstate = NULL;
|
||||
lwtstate_put(fib6_nh->fib_nh_lws);
|
||||
fib6_nh->fib_nh_lws = NULL;
|
||||
if (dev)
|
||||
dev_put(dev);
|
||||
}
|
||||
|
|
@ -3016,10 +3016,10 @@ out:
|
|||
|
||||
void fib6_nh_release(struct fib6_nh *fib6_nh)
|
||||
{
|
||||
lwtstate_put(fib6_nh->nh_lwtstate);
|
||||
lwtstate_put(fib6_nh->fib_nh_lws);
|
||||
|
||||
if (fib6_nh->nh_dev)
|
||||
dev_put(fib6_nh->nh_dev);
|
||||
if (fib6_nh->fib_nh_dev)
|
||||
dev_put(fib6_nh->fib_nh_dev);
|
||||
}
|
||||
|
||||
static struct fib6_info *ip6_route_info_create(struct fib6_config *cfg,
|
||||
|
|
@ -3129,7 +3129,7 @@ static struct fib6_info *ip6_route_info_create(struct fib6_config *cfg,
|
|||
* they would result in kernel looping; promote them to reject routes
|
||||
*/
|
||||
addr_type = ipv6_addr_type(&cfg->fc_dst);
|
||||
if (fib6_is_reject(cfg->fc_flags, rt->fib6_nh.nh_dev, addr_type))
|
||||
if (fib6_is_reject(cfg->fc_flags, rt->fib6_nh.fib_nh_dev, addr_type))
|
||||
rt->fib6_flags = RTF_REJECT | RTF_NONEXTHOP;
|
||||
|
||||
if (!ipv6_addr_any(&cfg->fc_prefsrc)) {
|
||||
|
|
@ -3287,6 +3287,8 @@ static int ip6_route_del(struct fib6_config *cfg,
|
|||
|
||||
if (fn) {
|
||||
for_each_fib6_node_rt_rcu(fn) {
|
||||
struct fib6_nh *nh;
|
||||
|
||||
if (cfg->fc_flags & RTF_CACHE) {
|
||||
int rc;
|
||||
|
||||
|
|
@ -3301,12 +3303,14 @@ static int ip6_route_del(struct fib6_config *cfg,
|
|||
}
|
||||
continue;
|
||||
}
|
||||
|
||||
nh = &rt->fib6_nh;
|
||||
if (cfg->fc_ifindex &&
|
||||
(!rt->fib6_nh.nh_dev ||
|
||||
rt->fib6_nh.nh_dev->ifindex != cfg->fc_ifindex))
|
||||
(!nh->fib_nh_dev ||
|
||||
nh->fib_nh_dev->ifindex != cfg->fc_ifindex))
|
||||
continue;
|
||||
if (cfg->fc_flags & RTF_GATEWAY &&
|
||||
!ipv6_addr_equal(&cfg->fc_gateway, &rt->fib6_nh.nh_gw))
|
||||
!ipv6_addr_equal(&cfg->fc_gateway, &nh->fib_nh_gw6))
|
||||
continue;
|
||||
if (cfg->fc_metric && cfg->fc_metric != rt->fib6_metric)
|
||||
continue;
|
||||
|
|
@ -3477,12 +3481,12 @@ static struct fib6_info *rt6_get_route_info(struct net *net,
|
|||
goto out;
|
||||
|
||||
for_each_fib6_node_rt_rcu(fn) {
|
||||
if (rt->fib6_nh.nh_dev->ifindex != ifindex)
|
||||
if (rt->fib6_nh.fib_nh_dev->ifindex != ifindex)
|
||||
continue;
|
||||
if (!(rt->fib6_flags & RTF_ROUTEINFO) ||
|
||||
!rt->fib6_nh.fib_nh_has_gw)
|
||||
continue;
|
||||
if (!ipv6_addr_equal(&rt->fib6_nh.nh_gw, gwaddr))
|
||||
if (!ipv6_addr_equal(&rt->fib6_nh.fib_nh_gw6, gwaddr))
|
||||
continue;
|
||||
if (!fib6_info_hold_safe(rt))
|
||||
continue;
|
||||
|
|
@ -3540,9 +3544,11 @@ struct fib6_info *rt6_get_dflt_router(struct net *net,
|
|||
|
||||
rcu_read_lock();
|
||||
for_each_fib6_node_rt_rcu(&table->tb6_root) {
|
||||
if (dev == rt->fib6_nh.nh_dev &&
|
||||
struct fib6_nh *nh = &rt->fib6_nh;
|
||||
|
||||
if (dev == nh->fib_nh_dev &&
|
||||
((rt->fib6_flags & (RTF_ADDRCONF | RTF_DEFAULT)) == (RTF_ADDRCONF | RTF_DEFAULT)) &&
|
||||
ipv6_addr_equal(&rt->fib6_nh.nh_gw, addr))
|
||||
ipv6_addr_equal(&nh->fib_nh_gw6, addr))
|
||||
break;
|
||||
}
|
||||
if (rt && !fib6_info_hold_safe(rt))
|
||||
|
|
@ -3779,7 +3785,7 @@ static int fib6_remove_prefsrc(struct fib6_info *rt, void *arg)
|
|||
struct net *net = ((struct arg_dev_net_ip *)arg)->net;
|
||||
struct in6_addr *addr = ((struct arg_dev_net_ip *)arg)->addr;
|
||||
|
||||
if (((void *)rt->fib6_nh.nh_dev == dev || !dev) &&
|
||||
if (((void *)rt->fib6_nh.fib_nh_dev == dev || !dev) &&
|
||||
rt != net->ipv6.fib6_null_entry &&
|
||||
ipv6_addr_equal(addr, &rt->fib6_prefsrc.addr)) {
|
||||
spin_lock_bh(&rt6_exception_lock);
|
||||
|
|
@ -3810,7 +3816,7 @@ static int fib6_clean_tohost(struct fib6_info *rt, void *arg)
|
|||
|
||||
if (((rt->fib6_flags & RTF_RA_ROUTER) == RTF_RA_ROUTER) &&
|
||||
rt->fib6_nh.fib_nh_has_gw &&
|
||||
ipv6_addr_equal(gateway, &rt->fib6_nh.nh_gw)) {
|
||||
ipv6_addr_equal(gateway, &rt->fib6_nh.fib_nh_gw6)) {
|
||||
return -1;
|
||||
}
|
||||
|
||||
|
|
@ -3858,9 +3864,9 @@ static struct fib6_info *rt6_multipath_first_sibling(const struct fib6_info *rt)
|
|||
|
||||
static bool rt6_is_dead(const struct fib6_info *rt)
|
||||
{
|
||||
if (rt->fib6_nh.nh_flags & RTNH_F_DEAD ||
|
||||
(rt->fib6_nh.nh_flags & RTNH_F_LINKDOWN &&
|
||||
ip6_ignore_linkdown(rt->fib6_nh.nh_dev)))
|
||||
if (rt->fib6_nh.fib_nh_flags & RTNH_F_DEAD ||
|
||||
(rt->fib6_nh.fib_nh_flags & RTNH_F_LINKDOWN &&
|
||||
ip6_ignore_linkdown(rt->fib6_nh.fib_nh_dev)))
|
||||
return true;
|
||||
|
||||
return false;
|
||||
|
|
@ -3872,11 +3878,11 @@ static int rt6_multipath_total_weight(const struct fib6_info *rt)
|
|||
int total = 0;
|
||||
|
||||
if (!rt6_is_dead(rt))
|
||||
total += rt->fib6_nh.nh_weight;
|
||||
total += rt->fib6_nh.fib_nh_weight;
|
||||
|
||||
list_for_each_entry(iter, &rt->fib6_siblings, fib6_siblings) {
|
||||
if (!rt6_is_dead(iter))
|
||||
total += iter->fib6_nh.nh_weight;
|
||||
total += iter->fib6_nh.fib_nh_weight;
|
||||
}
|
||||
|
||||
return total;
|
||||
|
|
@ -3887,11 +3893,11 @@ static void rt6_upper_bound_set(struct fib6_info *rt, int *weight, int total)
|
|||
int upper_bound = -1;
|
||||
|
||||
if (!rt6_is_dead(rt)) {
|
||||
*weight += rt->fib6_nh.nh_weight;
|
||||
*weight += rt->fib6_nh.fib_nh_weight;
|
||||
upper_bound = DIV_ROUND_CLOSEST_ULL((u64) (*weight) << 31,
|
||||
total) - 1;
|
||||
}
|
||||
atomic_set(&rt->fib6_nh.nh_upper_bound, upper_bound);
|
||||
atomic_set(&rt->fib6_nh.fib_nh_upper_bound, upper_bound);
|
||||
}
|
||||
|
||||
static void rt6_multipath_upper_bound_set(struct fib6_info *rt, int total)
|
||||
|
|
@ -3934,8 +3940,9 @@ static int fib6_ifup(struct fib6_info *rt, void *p_arg)
|
|||
const struct arg_netdev_event *arg = p_arg;
|
||||
struct net *net = dev_net(arg->dev);
|
||||
|
||||
if (rt != net->ipv6.fib6_null_entry && rt->fib6_nh.nh_dev == arg->dev) {
|
||||
rt->fib6_nh.nh_flags &= ~arg->nh_flags;
|
||||
if (rt != net->ipv6.fib6_null_entry &&
|
||||
rt->fib6_nh.fib_nh_dev == arg->dev) {
|
||||
rt->fib6_nh.fib_nh_flags &= ~arg->nh_flags;
|
||||
fib6_update_sernum_upto_root(net, rt);
|
||||
rt6_multipath_rebalance(rt);
|
||||
}
|
||||
|
|
@ -3963,10 +3970,10 @@ static bool rt6_multipath_uses_dev(const struct fib6_info *rt,
|
|||
{
|
||||
struct fib6_info *iter;
|
||||
|
||||
if (rt->fib6_nh.nh_dev == dev)
|
||||
if (rt->fib6_nh.fib_nh_dev == dev)
|
||||
return true;
|
||||
list_for_each_entry(iter, &rt->fib6_siblings, fib6_siblings)
|
||||
if (iter->fib6_nh.nh_dev == dev)
|
||||
if (iter->fib6_nh.fib_nh_dev == dev)
|
||||
return true;
|
||||
|
||||
return false;
|
||||
|
|
@ -3987,12 +3994,12 @@ static unsigned int rt6_multipath_dead_count(const struct fib6_info *rt,
|
|||
struct fib6_info *iter;
|
||||
unsigned int dead = 0;
|
||||
|
||||
if (rt->fib6_nh.nh_dev == down_dev ||
|
||||
rt->fib6_nh.nh_flags & RTNH_F_DEAD)
|
||||
if (rt->fib6_nh.fib_nh_dev == down_dev ||
|
||||
rt->fib6_nh.fib_nh_flags & RTNH_F_DEAD)
|
||||
dead++;
|
||||
list_for_each_entry(iter, &rt->fib6_siblings, fib6_siblings)
|
||||
if (iter->fib6_nh.nh_dev == down_dev ||
|
||||
iter->fib6_nh.nh_flags & RTNH_F_DEAD)
|
||||
if (iter->fib6_nh.fib_nh_dev == down_dev ||
|
||||
iter->fib6_nh.fib_nh_flags & RTNH_F_DEAD)
|
||||
dead++;
|
||||
|
||||
return dead;
|
||||
|
|
@ -4004,11 +4011,11 @@ static void rt6_multipath_nh_flags_set(struct fib6_info *rt,
|
|||
{
|
||||
struct fib6_info *iter;
|
||||
|
||||
if (rt->fib6_nh.nh_dev == dev)
|
||||
rt->fib6_nh.nh_flags |= nh_flags;
|
||||
if (rt->fib6_nh.fib_nh_dev == dev)
|
||||
rt->fib6_nh.fib_nh_flags |= nh_flags;
|
||||
list_for_each_entry(iter, &rt->fib6_siblings, fib6_siblings)
|
||||
if (iter->fib6_nh.nh_dev == dev)
|
||||
iter->fib6_nh.nh_flags |= nh_flags;
|
||||
if (iter->fib6_nh.fib_nh_dev == dev)
|
||||
iter->fib6_nh.fib_nh_flags |= nh_flags;
|
||||
}
|
||||
|
||||
/* called with write lock held for table with rt */
|
||||
|
|
@ -4023,12 +4030,12 @@ static int fib6_ifdown(struct fib6_info *rt, void *p_arg)
|
|||
|
||||
switch (arg->event) {
|
||||
case NETDEV_UNREGISTER:
|
||||
return rt->fib6_nh.nh_dev == dev ? -1 : 0;
|
||||
return rt->fib6_nh.fib_nh_dev == dev ? -1 : 0;
|
||||
case NETDEV_DOWN:
|
||||
if (rt->should_flush)
|
||||
return -1;
|
||||
if (!rt->fib6_nsiblings)
|
||||
return rt->fib6_nh.nh_dev == dev ? -1 : 0;
|
||||
return rt->fib6_nh.fib_nh_dev == dev ? -1 : 0;
|
||||
if (rt6_multipath_uses_dev(rt, dev)) {
|
||||
unsigned int count;
|
||||
|
||||
|
|
@ -4044,10 +4051,10 @@ static int fib6_ifdown(struct fib6_info *rt, void *p_arg)
|
|||
}
|
||||
return -2;
|
||||
case NETDEV_CHANGE:
|
||||
if (rt->fib6_nh.nh_dev != dev ||
|
||||
if (rt->fib6_nh.fib_nh_dev != dev ||
|
||||
rt->fib6_flags & (RTF_LOCAL | RTF_ANYCAST))
|
||||
break;
|
||||
rt->fib6_nh.nh_flags |= RTNH_F_LINKDOWN;
|
||||
rt->fib6_nh.fib_nh_flags |= RTNH_F_LINKDOWN;
|
||||
rt6_multipath_rebalance(rt);
|
||||
break;
|
||||
}
|
||||
|
|
@ -4103,7 +4110,7 @@ static int rt6_mtu_change_route(struct fib6_info *rt, void *p_arg)
|
|||
Since RFC 1981 doesn't include administrative MTU increase
|
||||
update PMTU increase is a MUST. (i.e. jumbo frame)
|
||||
*/
|
||||
if (rt->fib6_nh.nh_dev == arg->dev &&
|
||||
if (rt->fib6_nh.fib_nh_dev == arg->dev &&
|
||||
!fib6_metric_locked(rt, RTAX_MTU)) {
|
||||
u32 mtu = rt->fib6_pmtu;
|
||||
|
||||
|
|
@ -4394,7 +4401,7 @@ static int ip6_route_multipath_add(struct fib6_config *cfg,
|
|||
goto cleanup;
|
||||
}
|
||||
|
||||
rt->fib6_nh.nh_weight = rtnh->rtnh_hops + 1;
|
||||
rt->fib6_nh.fib_nh_weight = rtnh->rtnh_hops + 1;
|
||||
|
||||
err = ip6_route_info_append(info->nl_net, &rt6_nh_list,
|
||||
rt, &r_cfg);
|
||||
|
|
@ -4561,7 +4568,7 @@ static size_t rt6_nlmsg_size(struct fib6_info *rt)
|
|||
nexthop_len = nla_total_size(0) /* RTA_MULTIPATH */
|
||||
+ NLA_ALIGN(sizeof(struct rtnexthop))
|
||||
+ nla_total_size(16) /* RTA_GATEWAY */
|
||||
+ lwtunnel_get_encap_size(rt->fib6_nh.nh_lwtstate);
|
||||
+ lwtunnel_get_encap_size(rt->fib6_nh.fib_nh_lws);
|
||||
|
||||
nexthop_len *= rt->fib6_nsiblings;
|
||||
}
|
||||
|
|
@ -4579,41 +4586,41 @@ static size_t rt6_nlmsg_size(struct fib6_info *rt)
|
|||
+ nla_total_size(sizeof(struct rta_cacheinfo))
|
||||
+ nla_total_size(TCP_CA_NAME_MAX) /* RTAX_CC_ALGO */
|
||||
+ nla_total_size(1) /* RTA_PREF */
|
||||
+ lwtunnel_get_encap_size(rt->fib6_nh.nh_lwtstate)
|
||||
+ lwtunnel_get_encap_size(rt->fib6_nh.fib_nh_lws)
|
||||
+ nexthop_len;
|
||||
}
|
||||
|
||||
static int rt6_nexthop_info(struct sk_buff *skb, const struct fib6_nh *fib6_nh,
|
||||
unsigned int *flags, bool skip_oif)
|
||||
{
|
||||
if (fib6_nh->nh_flags & RTNH_F_DEAD)
|
||||
if (fib6_nh->fib_nh_flags & RTNH_F_DEAD)
|
||||
*flags |= RTNH_F_DEAD;
|
||||
|
||||
if (fib6_nh->nh_flags & RTNH_F_LINKDOWN) {
|
||||
if (fib6_nh->fib_nh_flags & RTNH_F_LINKDOWN) {
|
||||
*flags |= RTNH_F_LINKDOWN;
|
||||
|
||||
rcu_read_lock();
|
||||
if (ip6_ignore_linkdown(fib6_nh->nh_dev))
|
||||
if (ip6_ignore_linkdown(fib6_nh->fib_nh_dev))
|
||||
*flags |= RTNH_F_DEAD;
|
||||
rcu_read_unlock();
|
||||
}
|
||||
|
||||
if (fib6_nh->fib_nh_has_gw) {
|
||||
if (nla_put_in6_addr(skb, RTA_GATEWAY, &fib6_nh->nh_gw) < 0)
|
||||
if (nla_put_in6_addr(skb, RTA_GATEWAY, &fib6_nh->fib_nh_gw6) < 0)
|
||||
goto nla_put_failure;
|
||||
}
|
||||
|
||||
*flags |= (fib6_nh->nh_flags & RTNH_F_ONLINK);
|
||||
if (fib6_nh->nh_flags & RTNH_F_OFFLOAD)
|
||||
*flags |= (fib6_nh->fib_nh_flags & RTNH_F_ONLINK);
|
||||
if (fib6_nh->fib_nh_flags & RTNH_F_OFFLOAD)
|
||||
*flags |= RTNH_F_OFFLOAD;
|
||||
|
||||
/* not needed for multipath encoding b/c it has a rtnexthop struct */
|
||||
if (!skip_oif && fib6_nh->nh_dev &&
|
||||
nla_put_u32(skb, RTA_OIF, fib6_nh->nh_dev->ifindex))
|
||||
if (!skip_oif && fib6_nh->fib_nh_dev &&
|
||||
nla_put_u32(skb, RTA_OIF, fib6_nh->fib_nh_dev->ifindex))
|
||||
goto nla_put_failure;
|
||||
|
||||
if (fib6_nh->nh_lwtstate &&
|
||||
lwtunnel_fill_encap(skb, fib6_nh->nh_lwtstate) < 0)
|
||||
if (fib6_nh->fib_nh_lws &&
|
||||
lwtunnel_fill_encap(skb, fib6_nh->fib_nh_lws) < 0)
|
||||
goto nla_put_failure;
|
||||
|
||||
return 0;
|
||||
|
|
@ -4625,7 +4632,7 @@ nla_put_failure:
|
|||
/* add multipath next hop */
|
||||
static int rt6_add_nexthop(struct sk_buff *skb, const struct fib6_nh *fib6_nh)
|
||||
{
|
||||
const struct net_device *dev = fib6_nh->nh_dev;
|
||||
const struct net_device *dev = fib6_nh->fib_nh_dev;
|
||||
struct rtnexthop *rtnh;
|
||||
unsigned int flags = 0;
|
||||
|
||||
|
|
@ -4633,7 +4640,7 @@ static int rt6_add_nexthop(struct sk_buff *skb, const struct fib6_nh *fib6_nh)
|
|||
if (!rtnh)
|
||||
goto nla_put_failure;
|
||||
|
||||
rtnh->rtnh_hops = fib6_nh->nh_weight - 1;
|
||||
rtnh->rtnh_hops = fib6_nh->fib_nh_weight - 1;
|
||||
rtnh->rtnh_ifindex = dev ? dev->ifindex : 0;
|
||||
|
||||
if (rt6_nexthop_info(skb, fib6_nh, &flags, true) < 0)
|
||||
|
|
@ -4805,7 +4812,7 @@ nla_put_failure:
|
|||
static bool fib6_info_uses_dev(const struct fib6_info *f6i,
|
||||
const struct net_device *dev)
|
||||
{
|
||||
if (f6i->fib6_nh.nh_dev == dev)
|
||||
if (f6i->fib6_nh.fib_nh_dev == dev)
|
||||
return true;
|
||||
|
||||
if (f6i->fib6_nsiblings) {
|
||||
|
|
@ -4813,7 +4820,7 @@ static bool fib6_info_uses_dev(const struct fib6_info *f6i,
|
|||
|
||||
list_for_each_entry_safe(sibling, next_sibling,
|
||||
&f6i->fib6_siblings, fib6_siblings) {
|
||||
if (sibling->fib6_nh.nh_dev == dev)
|
||||
if (sibling->fib6_nh.fib_nh_dev == dev)
|
||||
return true;
|
||||
}
|
||||
}
|
||||
|
|
@ -5098,7 +5105,7 @@ static int ip6_route_dev_notify(struct notifier_block *this,
|
|||
return NOTIFY_OK;
|
||||
|
||||
if (event == NETDEV_REGISTER) {
|
||||
net->ipv6.fib6_null_entry->fib6_nh.nh_dev = dev;
|
||||
net->ipv6.fib6_null_entry->fib6_nh.fib_nh_dev = dev;
|
||||
net->ipv6.ip6_null_entry->dst.dev = dev;
|
||||
net->ipv6.ip6_null_entry->rt6i_idev = in6_dev_get(dev);
|
||||
#ifdef CONFIG_IPV6_MULTIPLE_TABLES
|
||||
|
|
@ -5433,7 +5440,7 @@ void __init ip6_route_init_special_entries(void)
|
|||
/* Registering of the loopback is done before this portion of code,
|
||||
* the loopback reference in rt6_info will not be taken, do it
|
||||
* manually for init_net */
|
||||
init_net.ipv6.fib6_null_entry->fib6_nh.nh_dev = init_net.loopback_dev;
|
||||
init_net.ipv6.fib6_null_entry->fib6_nh.fib_nh_dev = init_net.loopback_dev;
|
||||
init_net.ipv6.ip6_null_entry->dst.dev = init_net.loopback_dev;
|
||||
init_net.ipv6.ip6_null_entry->rt6i_idev = in6_dev_get(init_net.loopback_dev);
|
||||
#ifdef CONFIG_IPV6_MULTIPLE_TABLES
|
||||
|
|
|
|||
Loading…
Reference in New Issue