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authorAlexei Starovoitov <ast@plumgrid.com>2015-03-26 19:53:57 -0700
committerDavid S. Miller <davem@davemloft.net>2015-03-29 13:26:54 -0700
commit608cd71a9c7c9db76e78a792c5a4101e12fea43f (patch)
tree9824e0795f923a6370e53799f84e8ad13764cb23 /kernel
parent7836b16c0dd1d3039ccc35ceeff6d75401fbba8c (diff)
downloadop-kernel-dev-608cd71a9c7c9db76e78a792c5a4101e12fea43f.zip
op-kernel-dev-608cd71a9c7c9db76e78a792c5a4101e12fea43f.tar.gz
tc: bpf: generalize pedit action
existing TC action 'pedit' can munge any bits of the packet. Generalize it for use in bpf programs attached as cls_bpf and act_bpf via bpf_skb_store_bytes() helper function. Signed-off-by: Alexei Starovoitov <ast@plumgrid.com> Reviewed-by: Jiri Pirko <jiri@resnulli.us> Acked-by: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/bpf/verifier.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
index 0e714f7..630a7ba 100644
--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c
@@ -773,6 +773,8 @@ static int check_func_arg(struct verifier_env *env, u32 regno,
expected_type = CONST_IMM;
} else if (arg_type == ARG_CONST_MAP_PTR) {
expected_type = CONST_PTR_TO_MAP;
+ } else if (arg_type == ARG_PTR_TO_CTX) {
+ expected_type = PTR_TO_CTX;
} else {
verbose("unsupported arg_type %d\n", arg_type);
return -EFAULT;
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