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| author | Alexei Starovoitov <ast@plumgrid.com> | 2015-06-13 02:39:13 (GMT) |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-06-15 22:53:50 (GMT) |
| commit | 0756ea3e85139d23a8148ebaa95411c2f0aa4f11 (patch) | |
| tree | 16b702c8ca6da39fc16188f3bf767d238df8b5ff /net/core | |
| parent | ffeedafbf0236f03aeb2e8db273b3e5ae5f5bc89 (diff) | |
| download | linux-0756ea3e85139d23a8148ebaa95411c2f0aa4f11.tar.xz | |
bpf: allow networking programs to use bpf_trace_printk() for debugging
bpf_trace_printk() is a helper function used to debug eBPF programs.
Let socket and TC programs use it as well.
Note, it's DEBUG ONLY helper. If it's used in the program,
the kernel will print warning banner to make sure users don't use
it in production.
Signed-off-by: Alexei Starovoitov <ast@plumgrid.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core')
| -rw-r--r-- | net/core/filter.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/net/core/filter.c b/net/core/filter.c index 20aa51c..65ff107 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -1442,6 +1442,8 @@ sk_filter_func_proto(enum bpf_func_id func_id) return &bpf_tail_call_proto; case BPF_FUNC_ktime_get_ns: return &bpf_ktime_get_ns_proto; + case BPF_FUNC_trace_printk: + return bpf_get_trace_printk_proto(); default: return NULL; } |