plugins: remove bypass plugin

docs/Plugins.md

@@ -6,15 +6,9 @@ E.g., a plugin could filter traffic before it is processed by a worker, i.e., co
 In LF, to enable a plugin, add its name to the colon-separated list of the CMake variable `LF_PLUGINS`. E.g.:
 
 ```
-cmake -D LF_PLUGINS=\"bypass:wg_ratelimiter\"
+cmake -D LF_PLUGINS=\"dst_ratelimiter:wg_ratelimiter\"
 ```
 
-## Bypass (name: bypass)
-
-The bypass plugin forwards network control packets directly without going through the other processing steps. Currently, the following packets are considered network control packets:
-- ARP
-- IPv6 ICMP Neighbor Discovery
-
 ## Host Ratelimiter (name: dst_ratelimiter)
 
 The host ratelimiter plugin allows to define rate limits for destination addresses.

src/plugins/CMakePlugins.cmake

@@ -9,14 +9,6 @@ add_compile_definitions(LF_PLUGINS="${LF_PLUGINS_STRING}")
 
 message( STATUS ${LF_PLUGINS_STRING})
 
-if ("bypass" IN_LIST LF_PLUGINS)
-    message( STATUS "Plugin Bypass enabled")
-    add_compile_definitions(LF_PLUGIN_BYPASS=1)
-    target_sources(${EXEC} PRIVATE plugins/bypass.c)
-else()
-    add_compile_definitions(LF_PLUGIN_BYPASS=0)
-endif()
-
 if ("wg_ratelimiter" IN_LIST LF_PLUGINS)
     message( STATUS "Plugin WireGuard Ratelimiter enabled")
     add_compile_definitions(LF_PLUGIN_WG_RATELIMITER=1)

src/plugins/plugins.h

@@ -62,9 +62,6 @@ lf_plugins_pre(struct lf_worker_context *worker_context, struct rte_mbuf *m,
 		enum lf_pkt_action pkt_action)
 {
 	enum lf_pkt_action pkt_action_res = pkt_action;
-#if LF_PLUGIN_BYPASS
-	pkt_action = lf_bp_pre(worker_context, m, pkt_action);
-#endif
 
 	(void)worker_context;
 	(void)m;

tests.sh

@@ -118,7 +118,7 @@ fi
 
 test_label="lf_fw_plugins"
 make_artifacts_dir
-cmake_args="-D LF_WORKER=IPV4 -D LF_DRKEY_FETCHER=MOCK -D LF_PLUGINS=\"bypass:dst_ratelimiter:wg_ratelimiter\""
+cmake_args="-D LF_WORKER=IPV4 -D LF_DRKEY_FETCHER=MOCK -D LF_PLUGINS=\"dst_ratelimiter:wg_ratelimiter\""
 build_test
 
 test_label="lf_scion_drkey_scion"