fastd: fix start of non-L2TP variant

Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net>

net/fastd/Makefile

@@ -9,6 +9,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=fastd
 PKG_VERSION:=22
+PKG_RELEASE=2
 
 PKG_MAINTAINER:=Matthias Schiffer <mschiffer@universe-factory.net>
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz

net/fastd/patches/0001-config-allow-disabling-L2TP-offload-when-fastd-doesn.patch

@@ -0,0 +1,38 @@
+From d95ae843845760aecbbc62a734c2b93b401b1834 Mon Sep 17 00:00:00 2001
+Message-Id: <d95ae843845760aecbbc62a734c2b93b401b1834.1624798048.git.mschiffer@universe-factory.net>
+From: Matthias Schiffer <mschiffer@universe-factory.net>
+Date: Sun, 27 Jun 2021 14:45:46 +0200
+Subject: [PATCH] config: allow disabling L2TP offload when fastd doesn't
+ support it
+
+Only attempting to enable the offloading should raise an error when it
+is not supported.
+---
+ src/config.y | 8 +++++---
+ 1 file changed, 5 insertions(+), 3 deletions(-)
+
+diff --git a/src/config.y b/src/config.y
+index a107d7b9fda7..7a3ec6a32649 100644
+--- a/src/config.y
++++ b/src/config.y
+@@ -282,12 +282,14 @@ offload:	TOK_L2TP boolean {
+ #ifdef WITH_OFFLOAD_L2TP
+ 			conf.offload_l2tp = $2;
+ #else
++			if ($2) {
+ # ifdef __linux__
+-			fastd_config_error(&@$, state, "L2TP offload is not supported by this build of fastd");
++				fastd_config_error(&@$, state, "L2TP offload is not supported by this build of fastd");
+ # else
+-			fastd_config_error(&@$, state, "L2TP offload is not supported on this platform");
++				fastd_config_error(&@$, state, "L2TP offload is not supported on this platform");
+ # endif
+-			YYERROR;
++				YYERROR;
++			}
+ #endif
+ 		}
+ 	;
+-- 
+2.32.0
+