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mlx4: remove order field from mlx4_en_frag_info

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This is really a port attribute, no need to duplicate it per
RX queue and per frag.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2017-03-08 08:17:07 -08:00 committed by David S. Miller
parent 69ba943151
commit 159ddfd2ca
2 changed files with 4 additions and 4 deletions
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6
drivers/net/ethernet/mellanox/mlx4/en_rx.c
View File

@ -59,7 +59,7 @@ static int mlx4_alloc_pages(struct mlx4_en_priv *priv,
struct page *page;
dma_addr_t dma;
for (order = frag_info->order; ;) {
for (order = priv->rx_page_order; ;) {
gfp_t gfp = _gfp;
if (order)
@ -1195,7 +1195,7 @@ void mlx4_en_calc_rx_buf(struct net_device *dev)
* This only works when num_frags == 1.
*/
if (priv->tx_ring_num[TX_XDP]) {
priv->frag_info[0].order = 0;
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
@ -1209,7 +1209,6 @@ void mlx4_en_calc_rx_buf(struct net_device *dev)
int buf_size = 0;
while (buf_size < eff_mtu) {
priv->frag_info[i].order = MLX4_EN_ALLOC_PREFER_ORDER;
priv->frag_info[i].frag_size =
(eff_mtu > buf_size + frag_sizes[i]) ?
frag_sizes[i] : eff_mtu - buf_size;
@ -1221,6 +1220,7 @@ void mlx4_en_calc_rx_buf(struct net_device *dev)
buf_size += priv->frag_info[i].frag_size;
i++;
}
priv->rx_page_order = MLX4_EN_ALLOC_PREFER_ORDER;
priv->dma_dir = PCI_DMA_FROMDEVICE;
}

2
drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
View File

@ -474,7 +474,6 @@ struct mlx4_en_frag_info {
u16 frag_size;
u16 frag_prefix_size;
u32 frag_stride;
u16 order;
u16 rx_headroom;
};
@ -586,6 +585,7 @@ struct mlx4_en_priv {
u8 num_frags;
u8 log_rx_info;
u8 dma_dir;
u8 rx_page_order;
struct mlx4_en_tx_ring **tx_ring[MLX4_EN_NUM_TX_TYPES];
struct mlx4_en_rx_ring *rx_ring[MAX_RX_RINGS];