Commit Graph

3 Commits

Author SHA1 Message Date
Vincent Li
ecad4000f2 lunatik: change /lib/modules kernel path to 6.10
whenever compile kernel due to kernel change
lunatik needs to be recompiled too since
lunatik depends on kernel

change filter example Makefile to depend on
current kernel build version

diff --git a/examples/filter/Makefile b/examples/filter/Makefile
index f7eb0f6d..e30566a2 100644
--- a/examples/filter/Makefile
+++ b/examples/filter/Makefile
@@ -1,10 +1,12 @@
 # SPDX-FileCopyrightText: (c) 2023-2024 Ring Zero Desenvolvimento de Software LTDA
 # SPDX-License-Identifier: MIT OR GPL-2.0-only

+VMLINUX_BTF_PATH = /lib/modules/${shell uname -r}/build
+
 all: vmlinux https.o

 vmlinux:
-       bpftool btf dump file /sys/kernel/btf/vmlinux format c > vmlinux.h
+       bpftool btf dump file $(VMLINUX_BTF_PATH)/vmlinux format c > vmlinux.h

Signed-off-by: Vincent Li <vincent.mc.li@gmail.com>
2024-09-21 02:41:51 +00:00
Vincent Li
dc97ffb40e lunatik: Unknown symbol in module
lunatik requires lunatik_sym.h before build
generate the symbols in chroot build.

remove lunatik_sym.h in origin lunatik source Makefile

root@r210:/home/vincent/go/src/github.com/vincentmli/BPFire/cache/lunatik-5.3.2# git diff
diff --git a/Makefile b/Makefile
index ec172541..1c72f3e1 100644
--- a/Makefile
+++ b/Makefile
@@ -3,14 +3,14 @@

 MODULES_INSTALL_PATH = /lib/modules/${shell uname -r}
 SCRIPTS_INSTALL_PATH = /lib/modules/lua
-LUNATIK_INSTALL_PATH = /usr/local/sbin
-LUA_API = lua/lua.h lua/lauxlib.h lua/lualib.h
+LUNATIK_INSTALL_PATH = /usr/sbin
+LUNATIK_EBPF_INSTALL_PATH = /usr/lib/bpf
 KDIR ?= ${MODULES_INSTALL_PATH}/build
 RM = rm -f
 MKDIR = mkdir -p -m 0755
 INSTALL = install -o root -g root

-all: lunatik_sym.h
+all:
        ${MAKE} -C ${KDIR} M=${PWD} CONFIG_LUNATIK=m    \
        CONFIG_LUNATIK_RUN=m CONFIG_LUNATIK_RUNTIME=y CONFIG_LUNATIK_DEVICE=m   \
        CONFIG_LUNATIK_LINUX=m CONFIG_LUNATIK_NOTIFIER=m CONFIG_LUNATIK_SOCKET=m \
@@ -46,6 +46,7 @@ examples_install:
        ${INSTALL} -m 0644 examples/echod/*.lua ${SCRIPTS_INSTALL_PATH}/examples/echod
        ${MKDIR} ${SCRIPTS_INSTALL_PATH}/examples/filter
        ${INSTALL} -m 0644 examples/filter/*.lua ${SCRIPTS_INSTALL_PATH}/examples/filter
+       ${INSTALL} -m 0644 examples/filter/*.o ${LUNATIK_EBPF_INSTALL_PATH}
        ${MKDIR} ${SCRIPTS_INSTALL_PATH}/examples/dnsblock
        ${INSTALL} -m 0644 examples/dnsblock/*.lua ${SCRIPTS_INSTALL_PATH}/examples/dnsblock
        ${MKDIR} ${SCRIPTS_INSTALL_PATH}/examples/dnsdoctor
@@ -69,7 +70,3 @@ install: scripts_install modules_install

 uninstall: scripts_uninstall modules_uninstall
        depmod -a
-
-lunatik_sym.h: $(LUA_API)
-       ${shell ./gensymbols.sh $(LUA_API) > lunatik_sym.h}
-

Signed-off-by: Vincent Li <vincent.mc.li@gmail.com>
2024-09-15 18:48:48 +00:00
Vincent Li
c690c0c447 lunatik: add lunatik addon
lunatik has LuaXDP that supports scripting XDP
for TLS SNI parsing and many other scripting
featuers for kernel.

see lunatik build workaround in detail

https://github.com/luainkernel/lunatik/issues/189
https://github.com/vincentmli/BPFire/issues/40

Signed-off-by: Vincent Li <vincent.mc.li@gmail.com>
2024-09-14 22:46:06 +00:00