1628 	struct em_buffer	*tx_buffer, *tx_buffer_mapped;  in lem_xmit()  local
1659 	tx_buffer = &adapter->tx_buffer_area[first];  in lem_xmit()
1660 	tx_buffer_mapped = tx_buffer;  in lem_xmit()
1661 	map = tx_buffer->map;  in lem_xmit()
1739 				tx_buffer = &adapter->tx_buffer_area[i];  in lem_xmit()
1751 				tx_buffer->m_head = NULL;  in lem_xmit()
1752 				tx_buffer->next_eop = -1;  in lem_xmit()
1756 			tx_buffer = &adapter->tx_buffer_area[i];  in lem_xmit()
1768 			tx_buffer->m_head = NULL;  in lem_xmit()
1769 			tx_buffer->next_eop = -1;  in lem_xmit()
1788         tx_buffer->m_head = m_head;  in lem_xmit()
1789 	tx_buffer_mapped->map = tx_buffer->map;  in lem_xmit()
1790 	tx_buffer->map = map;  in lem_xmit()
1804 	tx_buffer = &adapter->tx_buffer_area[first];  in lem_xmit()
1805 	tx_buffer->next_eop = last;  in lem_xmit()
2706 	struct em_buffer *tx_buffer;  in lem_allocate_transmit_structures()  local
2738 		tx_buffer = &adapter->tx_buffer_area[i];  in lem_allocate_transmit_structures()
2739 		error = bus_dmamap_create(adapter->txtag, 0, &tx_buffer->map);  in lem_allocate_transmit_structures()
2744 		tx_buffer->next_eop = -1;  in lem_allocate_transmit_structures()
2761 	struct em_buffer *tx_buffer;  in lem_setup_transmit_structures()  local
2773 	for (int i = 0; i < adapter->num_tx_desc; i++, tx_buffer++) {  in lem_setup_transmit_structures()
2774 		tx_buffer = &adapter->tx_buffer_area[i];  in lem_setup_transmit_structures()
2775 		bus_dmamap_sync(adapter->txtag, tx_buffer->map,  in lem_setup_transmit_structures()
2777 		bus_dmamap_unload(adapter->txtag, tx_buffer->map);  in lem_setup_transmit_structures()
2778 		m_freem(tx_buffer->m_head);  in lem_setup_transmit_structures()
2779 		tx_buffer->m_head = NULL;  in lem_setup_transmit_structures()
2790 			netmap_load_map(na, adapter->txtag, tx_buffer->map, addr);  in lem_setup_transmit_structures()
2793 		tx_buffer->next_eop = -1;  in lem_setup_transmit_structures()
2884 	struct em_buffer *tx_buffer;  in lem_free_transmit_structures()  local
2890 			tx_buffer = &adapter->tx_buffer_area[i];  in lem_free_transmit_structures()
2891 			if (tx_buffer->m_head != NULL) {  in lem_free_transmit_structures()
2892 				bus_dmamap_sync(adapter->txtag, tx_buffer->map,  in lem_free_transmit_structures()
2895 				    tx_buffer->map);  in lem_free_transmit_structures()
2896 				m_freem(tx_buffer->m_head);  in lem_free_transmit_structures()
2897 				tx_buffer->m_head = NULL;  in lem_free_transmit_structures()
2898 			} else if (tx_buffer->map != NULL)  in lem_free_transmit_structures()
2900 				    tx_buffer->map);  in lem_free_transmit_structures()
2901 			if (tx_buffer->map != NULL) {  in lem_free_transmit_structures()
2903 				    tx_buffer->map);  in lem_free_transmit_structures()
2904 				tx_buffer->map = NULL;  in lem_free_transmit_structures()
2933 	struct em_buffer *tx_buffer;  in lem_transmit_checksum_setup()  local
3061 	tx_buffer = &adapter->tx_buffer_area[curr_txd];  in lem_transmit_checksum_setup()
3062 	tx_buffer->m_head = NULL;  in lem_transmit_checksum_setup()
3063 	tx_buffer->next_eop = -1;  in lem_transmit_checksum_setup()
3084         struct em_buffer *tx_buffer;  in lem_txeof()  local
3100         tx_buffer = &adapter->tx_buffer_area[first];  in lem_txeof()
3101 	last = tx_buffer->next_eop;  in lem_txeof()
3125 			if (tx_buffer->m_head) {  in lem_txeof()
3128 				    tx_buffer->map,  in lem_txeof()
3131 				    tx_buffer->map);  in lem_txeof()
3133                         	m_freem(tx_buffer->m_head);  in lem_txeof()
3134                         	tx_buffer->m_head = NULL;  in lem_txeof()
3136 			tx_buffer->next_eop = -1;  in lem_txeof()
3142 	                tx_buffer = &adapter->tx_buffer_area[first];  in lem_txeof()
3146 		last = tx_buffer->next_eop;  in lem_txeof()