SO_SNDBUFFORCE
case SO_SNDBUFFORCE:
case SO_SNDBUFFORCE:
case SO_SNDBUFFORCE:
case SO_SNDBUFFORCE:
err |= setsockopt(p, SOL_SOCKET, SO_SNDBUFFORCE, &txrx_buf, sizeof(int));
err |= setsockopt(c2, SOL_SOCKET, SO_SNDBUFFORCE, &rxtx_buf_len, sizeof(int));