On Fri, 18 Jun 2021 15:45:32 -0500 Seth Forshee wrote: > The bidirectional test attempts to change the cipher to > TLS_CIPHER_AES_GCM_128. The test fixture setup will have already set > the cipher to be tested, and if it was different than the one set by > the bidir test setsockopt() will fail on account of having different > ciphers for rx and tx, causing the test to fail. It's setting it up in the opposite direction, TLS is uni-directional. I've posted this earlier: https://patchwork.kernel.org/project/netdevbpf/patch/20210618202504.1435179-2-kuba@xxxxxxxxxx/ Sorry for not CCing you.