gtp-different-family-socket.patch - Linux Kernel GTP-U - Open Source Mobile Communications

Bug #1952 » gtp-different-family-socket.patch

pablo, 03/05/2024 05:18 PM

     	return 0;
+    }
     #define GTP_TH_MAXLEN	(sizeof(struct udphdr) + sizeof(struct gtp0_header))
     #define GTP_IPV6_MAXLEN	(sizeof(struct ipv6hdr) + GTP_TH_MAXLEN)
     static int gtp_newlink(struct net *src_net, struct net_device *dev,
     		       struct nlattr *tb[], struct nlattr *data[],
     		       struct netlink_ext_ack *extack)
-...
     	if (err < 0)
     		goto out_hashtable;
     	if ((gtp->sk0 && gtp->sk0->sk_family == AF_INET6) ||
     	    (gtp->sk1u && gtp->sk1u->sk_family == AF_INET6)) {
     		dev->mtu = ETH_DATA_LEN - GTP_IPV6_MAXLEN;
     		dev->needed_headroom = LL_MAX_HEADER + GTP_IPV6_MAXLEN;
+    	}
     	err = register_netdevice(dev);
     	if (err < 0) {
     		netdev_dbg(dev, "failed to register new netdev %d\n", err);
-...
     	gtp->sk0 = sk0;
     	gtp->sk1u = sk1u;
     	if (sk0 && sk1u &&
     	    sk0->sk_family != sk1u->sk_family) {
     		gtp_encap_disable_sock(sk0);
     		gtp_encap_disable_sock(sk1u);
     		return -EINVAL;
+    	}
     	return 0;
+    }

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