diff --git a/drivers/net/ethernet/google/gve/gve_rx_dqo.c b/drivers/net/ethernet/google/gve/gve_rx_dqo.c index 7924dce719e2..02cba280d81a 100644 --- a/drivers/net/ethernet/google/gve/gve_rx_dqo.c +++ b/drivers/net/ethernet/google/gve/gve_rx_dqo.c @@ -21,11 +21,13 @@ static void gve_rx_free_hdr_bufs(struct gve_priv *priv, struct gve_rx_ring *rx) { struct device *hdev = &priv->pdev->dev; - int buf_count = rx->dqo.bufq.mask + 1; if (rx->dqo.hdr_bufs.data) { - dma_free_coherent(hdev, priv->header_buf_size * buf_count, - rx->dqo.hdr_bufs.data, rx->dqo.hdr_bufs.addr); + size_t size = + (size_t)priv->header_buf_size * rx->dqo.num_buf_states; + + dma_free_coherent(hdev, size, rx->dqo.hdr_bufs.data, + rx->dqo.hdr_bufs.addr); rx->dqo.hdr_bufs.data = NULL; } } @@ -254,7 +256,7 @@ int gve_rx_alloc_ring_dqo(struct gve_priv *priv, /* Allocate header buffers for header-split */ if (cfg->enable_header_split) - if (gve_rx_alloc_hdr_bufs(priv, rx, buffer_queue_slots)) + if (gve_rx_alloc_hdr_bufs(priv, rx, rx->dqo.num_buf_states)) goto err; /* Allocate RX completion queue */ @@ -381,10 +383,13 @@ void gve_rx_post_buffers_dqo(struct gve_rx_ring *rx) break; } - if (rx->dqo.hdr_bufs.data) + if (rx->dqo.hdr_bufs.data) { + u16 buf_id = le16_to_cpu(desc->buf_id); + desc->header_buf_addr = cpu_to_le64(rx->dqo.hdr_bufs.addr + - priv->header_buf_size * bufq->tail); + (size_t)priv->header_buf_size * buf_id); + } bufq->tail = (bufq->tail + 1) & bufq->mask; complq->num_free_slots--; @@ -826,10 +831,13 @@ static int gve_rx_dqo(struct napi_struct *napi, struct gve_rx_ring *rx, int unsplit = 0; if (hdr_len && !hbo) { - rx->ctx.skb_head = gve_rx_copy_data(priv->dev, napi, - rx->dqo.hdr_bufs.data + - desc_idx * priv->header_buf_size, - hdr_len); + size_t offset = + (size_t)buffer_id * priv->header_buf_size; + + rx->ctx.skb_head = + gve_rx_copy_data(priv->dev, napi, + rx->dqo.hdr_bufs.data + offset, + hdr_len); if (unlikely(!rx->ctx.skb_head)) goto error; rx->ctx.skb_tail = rx->ctx.skb_head;