--- zzzz-none-000/linux-2.6.39.4/net/ipv4/af_inet.c	2011-08-03 19:43:28.000000000 +0000
+++ puma6-atom-6490-729/linux-2.6.39.4/net/ipv4/af_inet.c	2021-11-10 13:38:18.000000000 +0000
@@ -1714,6 +1714,18 @@
 
 	ipfrag_init();
 
+#ifdef CONFIG_AVM_PA
+	{
+		struct avm_pa_pid_cfg cfg;
+		snprintf(cfg.name, sizeof(cfg.name), "ipv4");
+		cfg.framing = avm_pa_framing_ptype;
+		cfg.default_mtu = 0xffff;
+		cfg.ptype = &ip_packet_type;
+		if(avm_pa_dev_pid_register(AVM_PA_PTYPE_DEVINFO(&ip_packet_type), &cfg) < 0)
+			printk(KERN_ERR "%s: failed to register PA PID\n", cfg.name);
+	}
+#endif
+
 	dev_add_pack(&ip_packet_type);
 
 	rc = 0;