RL_TDESC_CMD_OWN
if (ISSET(txstat, RL_TDESC_CMD_OWN)) {
cmdstat = RL_TDESC_CMD_OWN;
RL_TDESC_CMD_OWN | RL_TDESC_CMD_EOF |
d->rl_cmdstat |= htole32(RL_TDESC_CMD_OWN);