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-rw-r--r--drivers/net/ethernet/renesas/ravb.h1
-rw-r--r--drivers/net/ethernet/renesas/ravb_main.c43
2 files changed, 24 insertions, 20 deletions
diff --git a/drivers/net/ethernet/renesas/ravb.h b/drivers/net/ethernet/renesas/ravb.h
index 7f9e8b2c012a..751bb29cd488 100644
--- a/drivers/net/ethernet/renesas/ravb.h
+++ b/drivers/net/ethernet/renesas/ravb.h
@@ -1057,7 +1057,6 @@ struct ravb_hw_info {
netdev_features_t net_hw_features;
netdev_features_t net_features;
int stats_len;
- size_t max_rx_len;
u32 tccr_mask;
u32 rx_max_frame_size;
unsigned aligned_tx: 1;
diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c
index 5c72b780d623..e6b025058847 100644
--- a/drivers/net/ethernet/renesas/ravb_main.c
+++ b/drivers/net/ethernet/renesas/ravb_main.c
@@ -113,12 +113,23 @@ static void ravb_set_rate_rcar(struct net_device *ndev)
}
}
-static void ravb_set_buffer_align(struct sk_buff *skb)
+static struct sk_buff *
+ravb_alloc_skb(struct net_device *ndev, const struct ravb_hw_info *info,
+ gfp_t gfp_mask)
{
- u32 reserve = (unsigned long)skb->data & (RAVB_ALIGN - 1);
+ struct sk_buff *skb;
+ u32 reserve;
+
+ skb = __netdev_alloc_skb(ndev, info->rx_max_frame_size + RAVB_ALIGN - 1,
+ gfp_mask);
+ if (!skb)
+ return NULL;
+ reserve = (unsigned long)skb->data & (RAVB_ALIGN - 1);
if (reserve)
skb_reserve(skb, RAVB_ALIGN - reserve);
+
+ return skb;
}
/* Get MAC address from the MAC address registers
@@ -251,7 +262,7 @@ static void ravb_rx_ring_free_gbeth(struct net_device *ndev, int q)
le32_to_cpu(desc->dptr)))
dma_unmap_single(ndev->dev.parent,
le32_to_cpu(desc->dptr),
- GBETH_RX_BUFF_MAX,
+ priv->info->rx_max_frame_size,
DMA_FROM_DEVICE);
}
ring_size = sizeof(struct ravb_rx_desc) * (priv->num_rx_ring[q] + 1);
@@ -276,7 +287,7 @@ static void ravb_rx_ring_free_rcar(struct net_device *ndev, int q)
le32_to_cpu(desc->dptr)))
dma_unmap_single(ndev->dev.parent,
le32_to_cpu(desc->dptr),
- RX_BUF_SZ,
+ priv->info->rx_max_frame_size,
DMA_FROM_DEVICE);
}
ring_size = sizeof(struct ravb_ex_rx_desc) *
@@ -342,7 +353,7 @@ static void ravb_rx_ring_format_gbeth(struct net_device *ndev, int q)
rx_desc = &priv->rx_ring[q].desc[i];
rx_desc->ds_cc = cpu_to_le16(GBETH_RX_DESC_DATA_SIZE);
dma_addr = dma_map_single(ndev->dev.parent, priv->rx_skb[q][i]->data,
- GBETH_RX_BUFF_MAX,
+ priv->info->rx_max_frame_size,
DMA_FROM_DEVICE);
/* We just set the data size to 0 for a failed mapping which
* should prevent DMA from happening...
@@ -372,7 +383,7 @@ static void ravb_rx_ring_format_rcar(struct net_device *ndev, int q)
rx_desc = &priv->rx_ring[q].ex_desc[i];
rx_desc->ds_cc = cpu_to_le16(RX_BUF_SZ);
dma_addr = dma_map_single(ndev->dev.parent, priv->rx_skb[q][i]->data,
- RX_BUF_SZ,
+ priv->info->rx_max_frame_size,
DMA_FROM_DEVICE);
/* We just set the data size to 0 for a failed mapping which
* should prevent DMA from happening...
@@ -476,10 +487,9 @@ static int ravb_ring_init(struct net_device *ndev, int q)
goto error;
for (i = 0; i < priv->num_rx_ring[q]; i++) {
- skb = __netdev_alloc_skb(ndev, info->max_rx_len, GFP_KERNEL);
+ skb = ravb_alloc_skb(ndev, info, GFP_KERNEL);
if (!skb)
goto error;
- ravb_set_buffer_align(skb);
priv->rx_skb[q][i] = skb;
}
@@ -805,7 +815,8 @@ static struct sk_buff *ravb_get_skb_gbeth(struct net_device *ndev, int entry,
skb = priv->rx_skb[RAVB_BE][entry];
priv->rx_skb[RAVB_BE][entry] = NULL;
dma_unmap_single(ndev->dev.parent, le32_to_cpu(desc->dptr),
- ALIGN(GBETH_RX_BUFF_MAX, 16), DMA_FROM_DEVICE);
+ ALIGN(priv->info->rx_max_frame_size, 16),
+ DMA_FROM_DEVICE);
return skb;
}
@@ -912,13 +923,12 @@ static bool ravb_rx_gbeth(struct net_device *ndev, int *quota, int q)
desc->ds_cc = cpu_to_le16(GBETH_RX_DESC_DATA_SIZE);
if (!priv->rx_skb[q][entry]) {
- skb = netdev_alloc_skb(ndev, info->max_rx_len);
+ skb = ravb_alloc_skb(ndev, info, GFP_ATOMIC);
if (!skb)
break;
- ravb_set_buffer_align(skb);
dma_addr = dma_map_single(ndev->dev.parent,
skb->data,
- GBETH_RX_BUFF_MAX,
+ priv->info->rx_max_frame_size,
DMA_FROM_DEVICE);
skb_checksum_none_assert(skb);
/* We just set the data size to 0 for a failed mapping
@@ -992,7 +1002,7 @@ static bool ravb_rx_rcar(struct net_device *ndev, int *quota, int q)
skb = priv->rx_skb[q][entry];
priv->rx_skb[q][entry] = NULL;
dma_unmap_single(ndev->dev.parent, le32_to_cpu(desc->dptr),
- RX_BUF_SZ,
+ priv->info->rx_max_frame_size,
DMA_FROM_DEVICE);
get_ts &= (q == RAVB_NC) ?
RAVB_RXTSTAMP_TYPE_V2_L2_EVENT :
@@ -1028,10 +1038,9 @@ static bool ravb_rx_rcar(struct net_device *ndev, int *quota, int q)
desc->ds_cc = cpu_to_le16(RX_BUF_SZ);
if (!priv->rx_skb[q][entry]) {
- skb = netdev_alloc_skb(ndev, info->max_rx_len);
+ skb = ravb_alloc_skb(ndev, info, GFP_ATOMIC);
if (!skb)
break; /* Better luck next round. */
- ravb_set_buffer_align(skb);
dma_addr = dma_map_single(ndev->dev.parent, skb->data,
le16_to_cpu(desc->ds_cc),
DMA_FROM_DEVICE);
@@ -2682,7 +2691,6 @@ static const struct ravb_hw_info ravb_gen3_hw_info = {
.net_hw_features = NETIF_F_RXCSUM,
.net_features = NETIF_F_RXCSUM,
.stats_len = ARRAY_SIZE(ravb_gstrings_stats),
- .max_rx_len = RX_BUF_SZ + RAVB_ALIGN - 1,
.tccr_mask = TCCR_TSRQ0 | TCCR_TSRQ1 | TCCR_TSRQ2 | TCCR_TSRQ3,
.rx_max_frame_size = SZ_2K,
.internal_delay = 1,
@@ -2708,7 +2716,6 @@ static const struct ravb_hw_info ravb_gen2_hw_info = {
.net_hw_features = NETIF_F_RXCSUM,
.net_features = NETIF_F_RXCSUM,
.stats_len = ARRAY_SIZE(ravb_gstrings_stats),
- .max_rx_len = RX_BUF_SZ + RAVB_ALIGN - 1,
.tccr_mask = TCCR_TSRQ0 | TCCR_TSRQ1 | TCCR_TSRQ2 | TCCR_TSRQ3,
.rx_max_frame_size = SZ_2K,
.aligned_tx = 1,
@@ -2731,7 +2738,6 @@ static const struct ravb_hw_info ravb_rzv2m_hw_info = {
.net_hw_features = NETIF_F_RXCSUM,
.net_features = NETIF_F_RXCSUM,
.stats_len = ARRAY_SIZE(ravb_gstrings_stats),
- .max_rx_len = RX_BUF_SZ + RAVB_ALIGN - 1,
.tccr_mask = TCCR_TSRQ0 | TCCR_TSRQ1 | TCCR_TSRQ2 | TCCR_TSRQ3,
.rx_max_frame_size = SZ_2K,
.multi_irqs = 1,
@@ -2756,7 +2762,6 @@ static const struct ravb_hw_info gbeth_hw_info = {
.net_hw_features = NETIF_F_RXCSUM | NETIF_F_HW_CSUM,
.net_features = NETIF_F_RXCSUM | NETIF_F_HW_CSUM,
.stats_len = ARRAY_SIZE(ravb_gstrings_stats_gbeth),
- .max_rx_len = ALIGN(GBETH_RX_BUFF_MAX, RAVB_ALIGN),
.tccr_mask = TCCR_TSRQ0,
.rx_max_frame_size = SZ_8K,
.aligned_tx = 1,
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-10 21:53:03 +0100