MLX5_SRQ_FLAG_WQ_SIG
in->flags &= MLX5_SRQ_FLAG_WQ_SIG;
MLX5_SET(wq, wq, wq_signature, !!(in->flags & MLX5_SRQ_FLAG_WQ_SIG));
MLX5_SET(srqc, srqc, wq_signature, !!(in->flags & MLX5_SRQ_FLAG_WQ_SIG));
in->flags &= MLX5_SRQ_FLAG_WQ_SIG;
in.flags |= MLX5_SRQ_FLAG_WQ_SIG;