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 Acked-by: Harshitha Ramamurthy hramamurthy@google.com
---
v11: - Fix whitespace (Harshitha)
v10: - Move setting dev->netmem_tx to right after priv is initialized (Harshitha)
v4: - New patch --- drivers/net/ethernet/google/gve/gve_main.c | 3 +++ drivers/net/ethernet/google/gve/gve_tx_dqo.c | 8 +++++--- 2 files changed, 8 insertions(+), 3 deletions(-)
diff --git a/drivers/net/ethernet/google/gve/gve_main.c b/drivers/net/ethernet/google/gve/gve_main.c index 446e4b6fd3f17..e1ffbd561fac6 100644 --- a/drivers/net/ethernet/google/gve/gve_main.c +++ b/drivers/net/ethernet/google/gve/gve_main.c @@ -2659,6 +2659,9 @@ static int gve_probe(struct pci_dev *pdev, const struct pci_device_id *ent) if (err) goto abort_with_wq;
+ if (!gve_is_gqi(priv) && !gve_is_qpl(priv)) + dev->netmem_tx = true; + err = register_netdev(dev); if (err) goto abort_with_gve_init; diff --git a/drivers/net/ethernet/google/gve/gve_tx_dqo.c b/drivers/net/ethernet/google/gve/gve_tx_dqo.c index 2eba868d80370..a27f1574a7337 100644 --- a/drivers/net/ethernet/google/gve/gve_tx_dqo.c +++ b/drivers/net/ethernet/google/gve/gve_tx_dqo.c @@ -660,7 +660,8 @@ 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, @@ -1038,8 +1039,9 @@ 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; }