Daniel Borkmann e62d2df084
net: ptp: use sk_unattached_filter_create() for BPF ...
This patch migrates an open-coded sk_run_filter() implementation with
proper use of the BPF API, that is, sk_unattached_filter_create(). This
migration is needed, as we will be internally transforming the filter
to a different representation, and therefore needs to be decoupled.
It is okay to do so as skb_timestamping_init() is called during
initialization of the network stack in core initcall via sock_init().
This would effectively also allow for PTP filters to be jit compiled if
bpf_jit_enable is set.
For better readability, there are also some newlines introduced, also
ptp_classify.h is only in kernel space.
Joint work with Alexei Starovoitov.
Signed-off-by: Daniel Borkmann <dborkman@redhat.com >
Signed-off-by: Alexei Starovoitov <ast@plumgrid.com >
Cc: Richard Cochran <richard.cochran@omicron.at >
Cc: Jiri Benc <jbenc@redhat.com >
Signed-off-by: David S. Miller <davem@davemloft.net >
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e62d2df084