From 04caa489301c5e01ac4e5d1c13abcecb2041300b Mon Sep 17 00:00:00 2001 From: Daniel Borkmann Date: Fri, 23 May 2014 18:43:59 +0200 Subject: net: filter: doc: add section for BPF test suite Mention the recently added test suite in the documentation file. Signed-off-by: Daniel Borkmann Acked-by: Alexei Starovoitov Signed-off-by: David S. Miller --- Documentation/networking/filter.txt | 14 ++++++++++++++ 1 file changed, 14 insertions(+) (limited to 'Documentation/networking/filter.txt') diff --git a/Documentation/networking/filter.txt b/Documentation/networking/filter.txt index 748fd385535d..dc7dcc8c8184 100644 --- a/Documentation/networking/filter.txt +++ b/Documentation/networking/filter.txt @@ -833,6 +833,20 @@ loops and other CFG validation; second step starts from the first insn and descends all possible paths. It simulates execution of every insn and observes the state change of registers and stack. +Testing +------- + +Next to the BPF toolchain, the kernel also ships a test module that contains +various test cases for classic and internal BPF that can be executed against +the BPF interpreter and JIT compiler. It can be found in lib/test_bpf.c and +enabled via Kconfig: + + CONFIG_TEST_BPF=m + +After the module has been built and installed, the test suite can be executed +via insmod or modprobe against 'test_bpf' module. Results of the test cases +including timings in nsec can be found in the kernel log (dmesg). + Misc ---- -- cgit v1.2.3-59-g8ed1b