[PATCH net-next 03/16] gve: gve_rx_copy: Move padding to an argument
From: Bailey Forrest <hidden>
Date: 2021-06-24 18:07:42
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Future use cases will have a different padding value. Signed-off-by: Bailey Forrest <redacted> Reviewed-by: Willem de Bruijn <willemb@google.com> Reviewed-by: Catherine Sullivan <redacted> --- drivers/net/ethernet/google/gve/gve_rx.c | 4 ++-- drivers/net/ethernet/google/gve/gve_utils.c | 5 +++-- drivers/net/ethernet/google/gve/gve_utils.h | 3 ++- 3 files changed, 7 insertions(+), 5 deletions(-)
diff --git a/drivers/net/ethernet/google/gve/gve_rx.c b/drivers/net/ethernet/google/gve/gve_rx.c
index 2cfedf4bf5d8..c51578c1e2b2 100644
--- a/drivers/net/ethernet/google/gve/gve_rx.c
+++ b/drivers/net/ethernet/google/gve/gve_rx.c@@ -350,7 +350,7 @@ gve_rx_qpl(struct device *dev, struct net_device *netdev, gve_rx_flip_buff(page_info, &data_slot->qpl_offset); } } else { - skb = gve_rx_copy(netdev, napi, page_info, len); + skb = gve_rx_copy(netdev, napi, page_info, len, GVE_RX_PAD); if (skb) { u64_stats_update_begin(&rx->statss); rx->rx_copied_pkt++;
@@ -392,7 +392,7 @@ static bool gve_rx(struct gve_rx_ring *rx, struct gve_rx_desc *rx_desc, if (len <= priv->rx_copybreak) { /* Just copy small packets */ - skb = gve_rx_copy(dev, napi, page_info, len); + skb = gve_rx_copy(dev, napi, page_info, len, GVE_RX_PAD); u64_stats_update_begin(&rx->statss); rx->rx_copied_pkt++; rx->rx_copybreak_pkt++;
diff --git a/drivers/net/ethernet/google/gve/gve_utils.c b/drivers/net/ethernet/google/gve/gve_utils.c
index 2bfff0f75519..eb3d67c8b3ac 100644
--- a/drivers/net/ethernet/google/gve/gve_utils.c
+++ b/drivers/net/ethernet/google/gve/gve_utils.c@@ -45,10 +45,11 @@ void gve_rx_add_to_block(struct gve_priv *priv, int queue_idx) } struct sk_buff *gve_rx_copy(struct net_device *dev, struct napi_struct *napi, - struct gve_rx_slot_page_info *page_info, u16 len) + struct gve_rx_slot_page_info *page_info, u16 len, + u16 pad) { struct sk_buff *skb = napi_alloc_skb(napi, len); - void *va = page_info->page_address + GVE_RX_PAD + + void *va = page_info->page_address + pad + (page_info->page_offset ? PAGE_SIZE / 2 : 0); if (unlikely(!skb))
diff --git a/drivers/net/ethernet/google/gve/gve_utils.h b/drivers/net/ethernet/google/gve/gve_utils.h
index 76540374a083..8fb39b990bbc 100644
--- a/drivers/net/ethernet/google/gve/gve_utils.h
+++ b/drivers/net/ethernet/google/gve/gve_utils.h@@ -18,7 +18,8 @@ void gve_rx_remove_from_block(struct gve_priv *priv, int queue_idx); void gve_rx_add_to_block(struct gve_priv *priv, int queue_idx); struct sk_buff *gve_rx_copy(struct net_device *dev, struct napi_struct *napi, - struct gve_rx_slot_page_info *page_info, u16 len); + struct gve_rx_slot_page_info *page_info, u16 len, + u16 pad); #endif /* _GVE_UTILS_H */
--
2.32.0.288.g62a8d224e6-goog