On Mon, 19 Jan 2026 13:12:07 -0800 Tom Herbert wrote:

+#if IS_ENABLED(CONFIG_IPV6_TUNNEL)
+				case IPV6_TLV_TNL_ENCAP_LIMIT:
+					/* The tunnel encapsulation option.
+					 * This is handled in ip6_tunnel.c so
+					 * we don't need to do anything here
+					 * except to accept it as a recognized
+					 * option
+					 */
+					break;
 #endif
 				default:
 					if (!ip6_tlvopt_unknown(skb, off,

Transient build failure here:

net/ipv6/exthdrs.c:207:10: error: use of undeclared identifier 'IPV6_TLV_TNL_ENCAP_LIMIT'
  207 |                                 case IPV6_TLV_TNL_ENCAP_LIMIT:
      |                                      ^~~~~~~~~~~~~~~~~~~~~~~~
-- 
pw-bot: cr