nfp/nfdk/dp.c

40 nfp_nfdk_tx_tso(struct nfp_net_r_vector *r_vec, struct nfp_nfdk_tx_buf *txbuf,
70 	txbuf->pkt_cnt = segs;
71 	txbuf->real_len = skb->len + hdrlen * (txbuf->pkt_cnt - 1);
256 	struct nfp_nfdk_tx_buf *txbuf, *etxbuf;
303 	txbuf = &tx_ring->ktxbufs[wr_idx];
317 	txbuf->skb = skb;
318 	txbuf++;
320 	txbuf->dma_addr = dma_addr;
321 	txbuf++;
379 		txbuf->dma_addr = dma_addr;
380 		txbuf++;
399 		(txd + 1)->raw = nfp_nfdk_tx_tso(r_vec, txbuf, skb);
400 		real_len = txbuf->real_len;
403 			metadata = nfp_nfdk_tx_csum(dp, r_vec, txbuf->pkt_cnt, skb, metadata);
406 		txbuf++;
435 		txbuf--;
437 	/* txbuf pointed to the next-to-use */
438 	etxbuf = txbuf;
439 	/* first txbuf holds the skb */
440 	txbuf = &tx_ring->ktxbufs[wr_idx + 1];
441 	if (txbuf < etxbuf) {
442 		dma_unmap_single(dp->dev, txbuf->dma_addr,
444 		txbuf->raw = 0;
445 		txbuf++;
448 	while (etxbuf < txbuf) {
449 		dma_unmap_page(dp->dev, txbuf->dma_addr,
451 		txbuf->raw = 0;
453 		txbuf++;
498 		struct nfp_nfdk_tx_buf *txbuf;
501 		txbuf = &ktxbufs[D_IDX(tx_ring, rd_p)];
502 		skb = txbuf->skb;
503 		txbuf++;
514 		dma_unmap_single(dev, txbuf->dma_addr, size, DMA_TO_DEVICE);
515 		txbuf++;
524 			dma_unmap_page(dev, txbuf->dma_addr,
526 			txbuf++;
533 			done_bytes += txbuf->real_len;
534 			done_pkts += txbuf->pkt_cnt;
857 		struct nfp_nfdk_tx_buf *txbuf;
860 		txbuf = &tx_ring->ktxbufs[idx];
861 		if (!txbuf->raw)
864 		if (NFDK_TX_BUF_INFO(txbuf->val) != NFDK_TX_BUF_INFO_SOP) {
873 				     (void *)NFDK_TX_BUF_PTR(txbuf[0].val),
874 				     txbuf[1].dma_addr);
875 		txbuf[0].raw = 0;
876 		txbuf[1].raw = 0;
906 	struct nfp_nfdk_tx_buf *txbuf;
953 	txbuf = &tx_ring->ktxbufs[wr_idx];
955 	txbuf[0].val = (unsigned long)rxbuf->frag | NFDK_TX_BUF_INFO_SOP;
956 	txbuf[1].dma_addr = rxbuf->dma_addr;
1322 	struct nfp_nfdk_tx_buf *txbuf;
1369 	txbuf = &tx_ring->ktxbufs[wr_idx];
1381 	txbuf->skb = skb;
1382 	txbuf++;
1384 	txbuf->dma_addr = dma_addr;
1385 	txbuf++;
1438 	txbuf--;
1439 	dma_unmap_single(dp->dev, txbuf->dma_addr,
1441 	txbuf->raw = 0;