diff mbox series

[net-next,03/16] gve: gve_rx_copy: Move padding to an argument

Message ID 20210624180632.3659809-4-bcf@google.com
State New
Headers show
Series [net-next,01/16] gve: Update GVE documentation to describe DQO | expand

Commit Message

Bailey Forrest June 24, 2021, 6:06 p.m. UTC 
Future use cases will have a different padding value.

Signed-off-by: Bailey Forrest <bcf@google.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Reviewed-by: Catherine Sullivan <csully@google.com>
---
 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 mbox series

Patch

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 */