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| author | Eric Dumazet <edumazet@google.com> | 2017-03-08 08:17:09 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-03-09 09:54:46 -0800 |
| commit | d85f6c14e967b0bddfa9712daa17d79e297d18b8 (patch) | |
| tree | 15d8028fa8ae29e97983761509e6f159ffea40d3 /drivers/net/ethernet/mellanox/mlx4 | |
| parent | aaca121dd6cfedc9afb9d0ee23ded9d84e217e20 (diff) | |
| download | blackbird-obmc-linux-d85f6c14e967b0bddfa9712daa17d79e297d18b8.tar.gz blackbird-obmc-linux-d85f6c14e967b0bddfa9712daa17d79e297d18b8.zip | |
mlx4: rx_headroom is a per port attribute
No need to duplicate it per RX queue / frags.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx4')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/en_rx.c | 6 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/mlx4_en.h | 2 |
2 files changed, 4 insertions, 4 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_rx.c b/drivers/net/ethernet/mellanox/mlx4/en_rx.c index 118ea83cff08..bb33032a280f 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_rx.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_rx.c @@ -115,7 +115,7 @@ static int mlx4_en_alloc_frags(struct mlx4_en_priv *priv, for (i = 0; i < priv->num_frags; i++) { frags[i] = ring_alloc[i]; - frags[i].page_offset += priv->frag_info[i].rx_headroom; + frags[i].page_offset += priv->rx_headroom; rx_desc->data[i].addr = cpu_to_be64(frags[i].dma + frags[i].page_offset); ring_alloc[i] = page_alloc[i]; @@ -1202,7 +1202,7 @@ void mlx4_en_calc_rx_buf(struct net_device *dev) */ priv->frag_info[0].frag_stride = PAGE_SIZE; priv->dma_dir = PCI_DMA_BIDIRECTIONAL; - priv->frag_info[0].rx_headroom = XDP_PACKET_HEADROOM; + priv->rx_headroom = XDP_PACKET_HEADROOM; i = 1; } else { int buf_size = 0; @@ -1214,12 +1214,12 @@ void mlx4_en_calc_rx_buf(struct net_device *dev) priv->frag_info[i].frag_stride = ALIGN(priv->frag_info[i].frag_size, SMP_CACHE_BYTES); - priv->frag_info[i].rx_headroom = 0; buf_size += priv->frag_info[i].frag_size; i++; } priv->rx_page_order = MLX4_EN_ALLOC_PREFER_ORDER; priv->dma_dir = PCI_DMA_FROMDEVICE; + priv->rx_headroom = 0; } priv->num_frags = i; diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h index 849aa8af4dd7..fc7b4da5d8c3 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h +++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h @@ -472,7 +472,6 @@ struct mlx4_en_mc_list { struct mlx4_en_frag_info { u16 frag_size; - u16 rx_headroom; u32 frag_stride; }; @@ -585,6 +584,7 @@ struct mlx4_en_priv { u8 log_rx_info; u8 dma_dir; u8 rx_page_order; + u16 rx_headroom; struct mlx4_en_tx_ring **tx_ring[MLX4_EN_NUM_TX_TYPES]; struct mlx4_en_rx_ring *rx_ring[MAX_RX_RINGS]; |
