ret_code = emac_send(priv, &tx_packet, EMAC_DEF_TX_CH);
if (unlikely(ret_code != 0)) {
if (ret_code == EMAC_ERR_TX_OUT_OF_BD) {
ret_code = emac_send(priv, &tx_packet, EMAC_DEF_TX_CH);
if (unlikely(ret_code != 0)) {
if (ret_code == EMAC_ERR_TX_OUT_OF_BD) {