Changes v1 -> v2: 1. Updated the list of read-only fields, and read-write fields. 2. Added dummy sk to bpf_prog_test_run_skb().
This set enables BPF program of type BPF_PROG_TYPE_CGROUP_SKB to access some __skb_buff data directly. Song Liu (2): bpf: add cg_skb_is_valid_access for BPF_PROG_TYPE_CGROUP_SKB bpf: add tests for direct packet access from CGROUP_SKB kernel/bpf/cgroup.c | 4 + net/core/filter.c | 37 ++++- tools/testing/selftests/bpf/test_verifier.c | 159 ++++++++++++++++++++ 3 files changed, 199 insertions(+), 1 deletion(-) -- 2.17.1
