bpf: Add tests for bpf_sk_storage to bpf_tcp_ca
This patch adds test to exercise the bpf_sk_storage_get() and bpf_sk_storage_delete() helper from the bpf_dctcp.c. The setup and check on the sk_storage is done immediately before and after the connect(). This patch also takes this chance to move the pthread_create() after the connect() has been done. That will remove the need of the "wait_thread" label. Signed-off-by: Martin KaFai Lau <kafai@fb.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Yonghong Song <yhs@fb.com> Link: https://lore.kernel.org/bpf/20200320152107.2169904-1-kafai@fb.com
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