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-rw-r--r--drivers/net/ethernet/mellanox/mlx4/en_rx.c27
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/mlx4_en.h3
2 files changed, 13 insertions, 17 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_rx.c b/drivers/net/ethernet/mellanox/mlx4/en_rx.c
index b78d6762e03f..118ea83cff08 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_rx.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_rx.c
@@ -588,15 +588,14 @@ static int mlx4_en_complete_rx_desc(struct mlx4_en_priv *priv,
int length)
{
struct skb_frag_struct *skb_frags_rx = skb_shinfo(skb)->frags;
- struct mlx4_en_frag_info *frag_info;
- int nr;
+ struct mlx4_en_frag_info *frag_info = priv->frag_info;
+ int nr, frag_size;
dma_addr_t dma;
/* Collect used fragments while replacing them in the HW descriptors */
- for (nr = 0; nr < priv->num_frags; nr++) {
- frag_info = &priv->frag_info[nr];
- if (length <= frag_info->frag_prefix_size)
- break;
+ for (nr = 0;;) {
+ frag_size = min_t(int, length, frag_info->frag_size);
+
if (unlikely(!frags[nr].page))
goto fail;
@@ -606,15 +605,16 @@ static int mlx4_en_complete_rx_desc(struct mlx4_en_priv *priv,
__skb_fill_page_desc(skb, nr, frags[nr].page,
frags[nr].page_offset,
- frag_info->frag_size);
+ frag_size);
skb->truesize += frag_info->frag_stride;
frags[nr].page = NULL;
+ nr++;
+ length -= frag_size;
+ if (!length)
+ break;
+ frag_info++;
}
- /* Adjust size of last fragment to match actual length */
- if (nr > 0)
- skb_frag_size_set(&skb_frags_rx[nr - 1],
- length - priv->frag_info[nr - 1].frag_prefix_size);
return nr;
fail:
@@ -1197,7 +1197,6 @@ void mlx4_en_calc_rx_buf(struct net_device *dev)
if (priv->tx_ring_num[TX_XDP]) {
priv->rx_page_order = 0;
priv->frag_info[0].frag_size = eff_mtu;
- priv->frag_info[0].frag_prefix_size = 0;
/* This will gain efficient xdp frame recycling at the
* expense of more costly truesize accounting
*/
@@ -1212,7 +1211,6 @@ void mlx4_en_calc_rx_buf(struct net_device *dev)
priv->frag_info[i].frag_size =
(eff_mtu > buf_size + frag_sizes[i]) ?
frag_sizes[i] : eff_mtu - buf_size;
- priv->frag_info[i].frag_prefix_size = buf_size;
priv->frag_info[i].frag_stride =
ALIGN(priv->frag_info[i].frag_size,
SMP_CACHE_BYTES);
@@ -1232,10 +1230,9 @@ void mlx4_en_calc_rx_buf(struct net_device *dev)
eff_mtu, priv->num_frags);
for (i = 0; i < priv->num_frags; i++) {
en_err(priv,
- " frag:%d - size:%d prefix:%d stride:%d\n",
+ " frag:%d - size:%d stride:%d\n",
i,
priv->frag_info[i].frag_size,
- priv->frag_info[i].frag_prefix_size,
priv->frag_info[i].frag_stride);
}
}
diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
index 9d2c53ddb15c..849aa8af4dd7 100644
--- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
+++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
@@ -472,9 +472,8 @@ struct mlx4_en_mc_list {
struct mlx4_en_frag_info {
u16 frag_size;
- u16 frag_prefix_size;
- u32 frag_stride;
u16 rx_headroom;
+ u32 frag_stride;
};
#ifdef CONFIG_MLX4_EN_DCB
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