Use netmem_dma_*() helpers in gve_tx_dqo.c DQO-RDA paths to enable netmem TX support in that mode.
Declare support for netmem TX in GVE DQO-RDA mode.
Signed-off-by: Mina Almasry almasrymina@google.com
---
v4: - New patch --- drivers/net/ethernet/google/gve/gve_main.c | 4 ++++ drivers/net/ethernet/google/gve/gve_tx_dqo.c | 8 +++++--- 2 files changed, 9 insertions(+), 3 deletions(-)
diff --git a/drivers/net/ethernet/google/gve/gve_main.c b/drivers/net/ethernet/google/gve/gve_main.c index 029be8342b7b..0f11c8455149 100644 --- a/drivers/net/ethernet/google/gve/gve_main.c +++ b/drivers/net/ethernet/google/gve/gve_main.c @@ -2817,6 +2817,10 @@ static int gve_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
dev_info(&pdev->dev, "GVE version %s\n", gve_version_str); dev_info(&pdev->dev, "GVE queue format %d\n", (int)priv->queue_format); + + if (!gve_is_gqi(priv) && !gve_is_qpl(priv)) + dev->netmem_tx = true; + gve_clear_probe_in_progress(priv); queue_work(priv->gve_wq, &priv->service_task); return 0; diff --git a/drivers/net/ethernet/google/gve/gve_tx_dqo.c b/drivers/net/ethernet/google/gve/gve_tx_dqo.c index 394debc62268..e74580dc7ebe 100644 --- a/drivers/net/ethernet/google/gve/gve_tx_dqo.c +++ b/drivers/net/ethernet/google/gve/gve_tx_dqo.c @@ -667,7 +667,8 @@ static int gve_tx_add_skb_no_copy_dqo(struct gve_tx_ring *tx, goto err;
dma_unmap_len_set(pkt, len[pkt->num_bufs], len); - dma_unmap_addr_set(pkt, dma[pkt->num_bufs], addr); + netmem_dma_unmap_addr_set(skb_frag_netmem(frag), pkt, + dma[pkt->num_bufs], addr); ++pkt->num_bufs;
gve_tx_fill_pkt_desc_dqo(tx, desc_idx, skb, len, addr, @@ -1045,8 +1046,9 @@ static void gve_unmap_packet(struct device *dev, dma_unmap_single(dev, dma_unmap_addr(pkt, dma[0]), dma_unmap_len(pkt, len[0]), DMA_TO_DEVICE); for (i = 1; i < pkt->num_bufs; i++) { - dma_unmap_page(dev, dma_unmap_addr(pkt, dma[i]), - dma_unmap_len(pkt, len[i]), DMA_TO_DEVICE); + netmem_dma_unmap_page_attrs(dev, dma_unmap_addr(pkt, dma[i]), + dma_unmap_len(pkt, len[i]), + DMA_TO_DEVICE, 0); } pkt->num_bufs = 0; }