188 		struct eth_xmc4xxx_tx_frame *tx_frame = SYS_SLIST_CONTAINER(node, tx_frame, node);  in eth_xmc4xxx_flush_tx()  local
190 		net_pkt_unref(tx_frame->pkt);  in eth_xmc4xxx_flush_tx()
191 		k_mem_slab_free(&tx_frame_slab, (void *)tx_frame);  in eth_xmc4xxx_flush_tx()
233 	struct eth_xmc4xxx_tx_frame *tx_frame;  in eth_xmc4xxx_send()  local
257 	ret = k_mem_slab_alloc(&tx_frame_slab, (void **)&tx_frame, K_NO_WAIT);  in eth_xmc4xxx_send()
265 	tx_frame->pkt = pkt;  in eth_xmc4xxx_send()
266 	tx_frame->tail_index = dev_data->dma_desc_tx_head;  in eth_xmc4xxx_send()
273 			k_mem_slab_free(&tx_frame_slab, (void **)&tx_frame);  in eth_xmc4xxx_send()
315 		tx_frame->head_index = dev_data->dma_desc_tx_head;  in eth_xmc4xxx_send()
325 		k_mem_slab_free(&tx_frame_slab, (void **)&tx_frame);  in eth_xmc4xxx_send()
341 	tx_dma_desc[tx_frame->tail_index].status |= ETH_MAC_DMA_TDES0_OWN;  in eth_xmc4xxx_send()
343 	sys_slist_append(&dev_data->tx_frame_list, &tx_frame->node);  in eth_xmc4xxx_send()
502 		struct eth_xmc4xxx_tx_frame *tx_frame = SYS_SLIST_CONTAINER(node, tx_frame, node);  in eth_xmc4xxx_handle_tx()  local
507 		if (tx_frame->head_index >= tx_frame->tail_index) {  in eth_xmc4xxx_handle_tx()
508 			num_descriptors = tx_frame->head_index - tx_frame->tail_index + 1;  in eth_xmc4xxx_handle_tx()
510 			num_descriptors = tx_frame->head_index + NUM_TX_DMA_DESCRIPTORS -  in eth_xmc4xxx_handle_tx()
511 					  tx_frame->tail_index + 1;  in eth_xmc4xxx_handle_tx()
514 		index = tx_frame->tail_index;  in eth_xmc4xxx_handle_tx()
526 			XMC_ETH_MAC_DMA_DESC_t *dma_desc = &tx_dma_desc[tx_frame->head_index];  in eth_xmc4xxx_handle_tx()
529 				struct net_pkt *pkt = tx_frame->pkt;  in eth_xmc4xxx_handle_tx()
547 			net_pkt_unref(tx_frame->pkt);  in eth_xmc4xxx_handle_tx()
548 			k_mem_slab_free(&tx_frame_slab, (void *)tx_frame);  in eth_xmc4xxx_handle_tx()