From 35f9b2f43f8e0aee52421640912edc1ec309fd2e Mon Sep 17 00:00:00 2001 From: Bailey Forrest Date: Thu, 24 Jun 2021 11:06:19 -0700 Subject: [PATCH] gve: gve_rx_copy: Move padding to an argument Future use cases will have a different padding value. Signed-off-by: Bailey Forrest Reviewed-by: Willem de Bruijn Reviewed-by: Catherine Sullivan Signed-off-by: David S. Miller --- 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 */ -- 2.34.1