diff options
| author | David Ahern <dsahern@gmail.com> | 2018-05-10 06:34:27 +0300 |
|---|---|---|
| committer | Daniel Borkmann <daniel@iogearbox.net> | 2018-05-11 01:10:57 +0300 |
| commit | fe616055f78457a0b78e0d3693d1ae26f2d7dab3 (patch) | |
| tree | 2bab4dd9bff8b85508549c97886d92d82d7c22e1 /tools/testing | |
| parent | 87f5fc7e48dd3175b30dd03b41564e1a8e136323 (diff) | |
| download | linux-fe616055f78457a0b78e0d3693d1ae26f2d7dab3.tar.xz | |
samples/bpf: Add example of ipv4 and ipv6 forwarding in XDP
Simple example of fast-path forwarding. It has a serious flaw
in not verifying the egress device index supports XDP forwarding.
If the egress device does not packets are dropped.
Take this only as a simple example of fast-path forwarding.
Signed-off-by: David Ahern <dsahern@gmail.com>
Acked-by: David S. Miller <davem@davemloft.net>
Acked-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Diffstat (limited to 'tools/testing')
| -rw-r--r-- | tools/testing/selftests/bpf/bpf_helpers.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/bpf_helpers.h b/tools/testing/selftests/bpf/bpf_helpers.h index 265f8e0e8ada..2375d06c706b 100644 --- a/tools/testing/selftests/bpf/bpf_helpers.h +++ b/tools/testing/selftests/bpf/bpf_helpers.h @@ -103,6 +103,9 @@ static int (*bpf_skb_get_xfrm_state)(void *ctx, int index, void *state, (void *) BPF_FUNC_skb_get_xfrm_state; static int (*bpf_get_stack)(void *ctx, void *buf, int size, int flags) = (void *) BPF_FUNC_get_stack; +static int (*bpf_fib_lookup)(void *ctx, struct bpf_fib_lookup *params, + int plen, __u32 flags) = + (void *) BPF_FUNC_fib_lookup; /* llvm builtin functions that eBPF C program may use to * emit BPF_LD_ABS and BPF_LD_IND instructions |