t4_tls_key_ctx
void t4_tls_key_ctx(const struct ktls_session *, int, struct tls_keyctx *);
t4_tls_key_ctx(tls, KTLS_TX, &tlsp->keyctx);
t4_tls_key_ctx(tls, KTLS_TX, &tlsp->keyctx);
t4_tls_key_ctx(tls, direction, kctx);