diff --git a/fs/proc/proc_net.c b/fs/proc/proc_net.c
index 9cd5b47199cb..fcc859717345 100644
--- a/fs/proc/proc_net.c
+++ b/fs/proc/proc_net.c
@@ -82,6 +82,25 @@ static const struct file_operations proc_net_seq_fops = {
 	.release	= seq_release_net,
 };
 
+int bpf_iter_init_seq_net(void *priv_data)
+{
+#ifdef CONFIG_NET_NS
+	struct seq_net_private *p = priv_data;
+
+	p->net = get_net(current->nsproxy->net_ns);
+#endif
+	return 0;
+}
+
+void bpf_iter_fini_seq_net(void *priv_data)
+{
+#ifdef CONFIG_NET_NS
+	struct seq_net_private *p = priv_data;
+
+	put_net(p->net);
+#endif
+}
+
 struct proc_dir_entry *proc_create_net_data(const char *name, umode_t mode,
 		struct proc_dir_entry *parent, const struct seq_operations *ops,
 		unsigned int state_size, void *data)
diff --git a/include/linux/proc_fs.h b/include/linux/proc_fs.h
index b8d41d0e7b46..d3b5a4a35ad3 100644
--- a/include/linux/proc_fs.h
+++ b/include/linux/proc_fs.h
@@ -76,6 +76,9 @@ struct proc_dir_entry *proc_create_net_single_write(const char *name, umode_t mo
 						    void *data);
 extern struct pid *tgid_pidfd_to_pid(const struct file *file);
 
+extern int bpf_iter_init_seq_net(void *priv_data);
+extern void bpf_iter_fini_seq_net(void *priv_data);
+
 #ifdef CONFIG_PROC_PID_ARCH_STATUS
 /*
  * The architecture which selects CONFIG_PROC_PID_ARCH_STATUS must
diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c
index ef1df9d662d6..eec630556c85 100644
--- a/net/ipv6/ip6_fib.c
+++ b/net/ipv6/ip6_fib.c
@@ -2376,7 +2376,7 @@ void fib6_gc_cleanup(void)
 }
 
 #ifdef CONFIG_PROC_FS
-static int ipv6_route_seq_show(struct seq_file *seq, void *v)
+static int ipv6_route_native_seq_show(struct seq_file *seq, void *v)
 {
 	struct fib6_info *rt = v;
 	struct ipv6_route_iter *iter = seq->private;
@@ -2538,7 +2538,7 @@ static bool ipv6_route_iter_active(struct ipv6_route_iter *iter)
 	return w->node && !(w->state == FWS_U && w->node == w->root);
 }
 
-static void ipv6_route_seq_stop(struct seq_file *seq, void *v)
+static void ipv6_route_native_seq_stop(struct seq_file *seq, void *v)
 	__releases(RCU_BH)
 {
 	struct net *net = seq_file_net(seq);
@@ -2550,6 +2550,67 @@ static void ipv6_route_seq_stop(struct seq_file *seq, void *v)
 	rcu_read_unlock_bh();
 }
 
+#if IS_BUILTIN(CONFIG_IPV6) && defined(CONFIG_BPF_SYSCALL)
+struct bpf_iter__ipv6_route {
+	__bpf_md_ptr(struct bpf_iter_meta *, meta);
+	__bpf_md_ptr(struct fib6_info *, rt);
+};
+
+static int ipv6_route_prog_seq_show(struct bpf_prog *prog,
+				    struct bpf_iter_meta *meta,
+				    void *v)
+{
+	struct bpf_iter__ipv6_route ctx;
+
+	ctx.meta = meta;
+	ctx.rt = v;
+	return bpf_iter_run_prog(prog, &ctx);
+}
+
+static int ipv6_route_seq_show(struct seq_file *seq, void *v)
+{
+	struct ipv6_route_iter *iter = seq->private;
+	struct bpf_iter_meta meta;
+	struct bpf_prog *prog;
+	int ret;
+
+	meta.seq = seq;
+	prog = bpf_iter_get_info(&meta, false);
+	if (!prog)
+		return ipv6_route_native_seq_show(seq, v);
+
+	ret = ipv6_route_prog_seq_show(prog, &meta, v);
+	iter->w.leaf = NULL;
+
+	return ret;
+}
+
+static void ipv6_route_seq_stop(struct seq_file *seq, void *v)
+{
+	struct bpf_iter_meta meta;
+	struct bpf_prog *prog;
+
+	if (!v) {
+		meta.seq = seq;
+		prog = bpf_iter_get_info(&meta, true);
+		if (prog)
+			(void)ipv6_route_prog_seq_show(prog, &meta, v);
+	}
+
+	ipv6_route_native_seq_stop(seq, v);
+}
+#else
+static int ipv6_route_seq_show(struct seq_file *seq, void *v)
+{
+	return ipv6_route_native_seq_show(seq, v);
+}
+
+static void ipv6_route_seq_stop(struct seq_file *seq, void *v)
+{
+	ipv6_route_native_seq_stop(seq, v);
+}
+#endif
+
 const struct seq_operations ipv6_route_seq_ops = {
 	.start	= ipv6_route_seq_start,
 	.next	= ipv6_route_seq_next,
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 18b0533d19fa..c848178b0e5a 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -6407,6 +6407,30 @@ void __init ip6_route_init_special_entries(void)
   #endif
 }
 
+#if IS_BUILTIN(CONFIG_IPV6)
+#if defined(CONFIG_BPF_SYSCALL) && defined(CONFIG_PROC_FS)
+DEFINE_BPF_ITER_FUNC(ipv6_route, struct bpf_iter_meta *meta, struct fib6_info *rt)
+
+static int __init bpf_iter_register(void)
+{
+	struct bpf_iter_reg reg_info = {
+		.target			= "ipv6_route",
+		.seq_ops		= &ipv6_route_seq_ops,
+		.init_seq_private	= bpf_iter_init_seq_net,
+		.fini_seq_private	= bpf_iter_fini_seq_net,
+		.seq_priv_size		= sizeof(struct ipv6_route_iter),
+	};
+
+	return bpf_iter_reg_target(&reg_info);
+}
+
+static void bpf_iter_unregister(void)
+{
+	bpf_iter_unreg_target("ipv6_route");
+}
+#endif
+#endif
+
 int __init ip6_route_init(void)
 {
 	int ret;
@@ -6469,6 +6493,14 @@ int __init ip6_route_init(void)
 	if (ret)
 		goto out_register_late_subsys;
 
+#if IS_BUILTIN(CONFIG_IPV6)
+#if defined(CONFIG_BPF_SYSCALL) && defined(CONFIG_PROC_FS)
+	ret = bpf_iter_register();
+	if (ret)
+		goto out_register_late_subsys;
+#endif
+#endif
+
 	for_each_possible_cpu(cpu) {
 		struct uncached_list *ul = per_cpu_ptr(&rt6_uncached_list, cpu);
 
@@ -6501,6 +6533,11 @@ out_kmem_cache:
 
 void ip6_route_cleanup(void)
 {
+#if IS_BUILTIN(CONFIG_IPV6)
+#if defined(CONFIG_BPF_SYSCALL) && defined(CONFIG_PROC_FS)
+	bpf_iter_unregister();
+#endif
+#endif
 	unregister_netdevice_notifier(&ip6_route_dev_notifier);
 	unregister_pernet_subsys(&ip6_route_net_late_ops);
 	fib6_rules_cleanup();
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 3259fb5b58dd..f71fde255a6e 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -2613,7 +2613,7 @@ static void *netlink_seq_next(struct seq_file *seq, void *v, loff_t *pos)
 	return __netlink_seq_next(seq);
 }
 
-static void netlink_seq_stop(struct seq_file *seq, void *v)
+static void netlink_native_seq_stop(struct seq_file *seq, void *v)
 {
 	struct nl_seq_iter *iter = seq->private;
 
@@ -2624,7 +2624,7 @@ static void netlink_seq_stop(struct seq_file *seq, void *v)
 }
 
 
-static int netlink_seq_show(struct seq_file *seq, void *v)
+static int netlink_native_seq_show(struct seq_file *seq, void *v)
 {
 	if (v == SEQ_START_TOKEN) {
 		seq_puts(seq,
@@ -2651,6 +2651,68 @@ static int netlink_seq_show(struct seq_file *seq, void *v)
 	return 0;
 }
 
+#ifdef CONFIG_BPF_SYSCALL
+struct bpf_iter__netlink {
+	__bpf_md_ptr(struct bpf_iter_meta *, meta);
+	__bpf_md_ptr(struct netlink_sock *, sk);
+};
+
+DEFINE_BPF_ITER_FUNC(netlink, struct bpf_iter_meta *meta, struct netlink_sock *sk)
+
+static int netlink_prog_seq_show(struct bpf_prog *prog,
+				  struct bpf_iter_meta *meta,
+				  void *v)
+{
+	struct bpf_iter__netlink ctx;
+
+	meta->seq_num--;  /* skip SEQ_START_TOKEN */
+	ctx.meta = meta;
+	ctx.sk = nlk_sk((struct sock *)v);
+	return bpf_iter_run_prog(prog, &ctx);
+}
+
+static int netlink_seq_show(struct seq_file *seq, void *v)
+{
+	struct bpf_iter_meta meta;
+	struct bpf_prog *prog;
+
+	meta.seq = seq;
+	prog = bpf_iter_get_info(&meta, false);
+	if (!prog)
+		return netlink_native_seq_show(seq, v);
+
+	if (v != SEQ_START_TOKEN)
+		return netlink_prog_seq_show(prog, &meta, v);
+
+	return 0;
+}
+
+static void netlink_seq_stop(struct seq_file *seq, void *v)
+{
+	struct bpf_iter_meta meta;
+	struct bpf_prog *prog;
+
+	if (!v) {
+		meta.seq = seq;
+		prog = bpf_iter_get_info(&meta, true);
+		if (prog)
+			(void)netlink_prog_seq_show(prog, &meta, v);
+	}
+
+	netlink_native_seq_stop(seq, v);
+}
+#else
+static int netlink_seq_show(struct seq_file *seq, void *v)
+{
+	return netlink_native_seq_show(seq, v);
+}
+
+static void netlink_seq_stop(struct seq_file *seq, void *v)
+{
+	netlink_native_seq_stop(seq, v);
+}
+#endif
+
 static const struct seq_operations netlink_seq_ops = {
 	.start  = netlink_seq_start,
 	.next   = netlink_seq_next,
@@ -2757,6 +2819,21 @@ static const struct rhashtable_params netlink_rhashtable_params = {
 	.automatic_shrinking = true,
 };
 
+#if defined(CONFIG_BPF_SYSCALL) && defined(CONFIG_PROC_FS)
+static int __init bpf_iter_register(void)
+{
+	struct bpf_iter_reg reg_info = {
+		.target			= "netlink",
+		.seq_ops		= &netlink_seq_ops,
+		.init_seq_private	= bpf_iter_init_seq_net,
+		.fini_seq_private	= bpf_iter_fini_seq_net,
+		.seq_priv_size		= sizeof(struct nl_seq_iter),
+	};
+
+	return bpf_iter_reg_target(&reg_info);
+}
+#endif
+
 static int __init netlink_proto_init(void)
 {
 	int i;
@@ -2765,6 +2842,11 @@ static int __init netlink_proto_init(void)
 	if (err != 0)
 		goto out;
 
+#if defined(CONFIG_BPF_SYSCALL) && defined(CONFIG_PROC_FS)
+	err = bpf_iter_register();
+	if (err)
+		goto out;
+#endif
 	BUILD_BUG_ON(sizeof(struct netlink_skb_parms) > FIELD_SIZEOF(struct sk_buff, cb));
 
 	nl_table = kcalloc(MAX_LINKS, sizeof(*nl_table), GFP_KERNEL);