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-rw-r--r--target/linux/ramips/files/drivers/net/ethernet/ralink/ralink_ethtool.c28
-rw-r--r--target/linux/ramips/files/drivers/net/ethernet/ralink/ralink_soc_eth.c49
-rw-r--r--target/linux/ramips/files/drivers/net/ethernet/ralink/ralink_soc_eth.h6
3 files changed, 52 insertions, 31 deletions
diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/ralink_ethtool.c b/target/linux/ramips/files/drivers/net/ethernet/ralink/ralink_ethtool.c
index cbe5fadb1f..63356b1814 100644
--- a/target/linux/ramips/files/drivers/net/ethernet/ralink/ralink_ethtool.c
+++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/ralink_ethtool.c
@@ -131,13 +131,36 @@ out_get_link:
return ethtool_op_get_link(dev);
}
+static int fe_set_ringparam(struct net_device *dev,
+ struct ethtool_ringparam *ring)
+{
+ struct fe_priv *priv = netdev_priv(dev);
+
+ if ((ring->tx_pending < 2) ||
+ (ring->rx_pending < 2) ||
+ (ring->rx_pending > MAX_DMA_DESC) ||
+ (ring->tx_pending > MAX_DMA_DESC))
+ return -EINVAL;
+
+ dev->netdev_ops->ndo_stop(dev);
+
+ priv->tx_ring_size = BIT(fls(ring->tx_pending) - 1);
+ priv->rx_ring_size = BIT(fls(ring->rx_pending) - 1);
+
+ dev->netdev_ops->ndo_open(dev);
+
+ return 0;
+}
+
static void fe_get_ringparam(struct net_device *dev,
struct ethtool_ringparam *ring)
{
+ struct fe_priv *priv = netdev_priv(dev);
+
ring->rx_max_pending = MAX_DMA_DESC;
ring->tx_max_pending = MAX_DMA_DESC;
- ring->rx_pending = NUM_DMA_DESC;
- ring->tx_pending = NUM_DMA_DESC;
+ ring->rx_pending = priv->rx_ring_size;
+ ring->tx_pending = priv->tx_ring_size;
}
static void fe_get_strings(struct net_device *dev, u32 stringset, u8 *data)
@@ -194,6 +217,7 @@ static struct ethtool_ops fe_ethtool_ops = {
.set_msglevel = fe_set_msglevel,
.nway_reset = fe_nway_reset,
.get_link = fe_get_link,
+ .set_ringparam = fe_set_ringparam,
.get_ringparam = fe_get_ringparam,
};
diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/ralink_soc_eth.c b/target/linux/ramips/files/drivers/net/ethernet/ralink/ralink_soc_eth.c
index c21643bbd3..f98af293c8 100644
--- a/target/linux/ramips/files/drivers/net/ethernet/ralink/ralink_soc_eth.c
+++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/ralink_soc_eth.c
@@ -56,8 +56,8 @@
#define TX_DMA_DESP2_DEF (TX_DMA_LS0 | TX_DMA_DONE)
#define TX_DMA_DESP4_DEF (TX_DMA_QN(3) | TX_DMA_PN(1))
-#define NEXT_TX_DESP_IDX(X) (((X) + 1) & (NUM_DMA_DESC - 1))
-#define NEXT_RX_DESP_IDX(X) (((X) + 1) & (NUM_DMA_DESC - 1))
+#define NEXT_TX_DESP_IDX(X) (((X) + 1) & (priv->tx_ring_size - 1))
+#define NEXT_RX_DESP_IDX(X) (((X) + 1) & (priv->rx_ring_size - 1))
#define SYSC_REG_RSTCTRL 0x34
@@ -204,7 +204,7 @@ static void fe_clean_rx(struct fe_priv *priv)
int i;
if (priv->rx_data) {
- for (i = 0; i < NUM_DMA_DESC; i++)
+ for (i = 0; i < priv->rx_ring_size; i++)
if (priv->rx_data[i]) {
if (priv->rx_dma && priv->rx_dma[i].rxd1)
dma_unmap_single(&priv->netdev->dev,
@@ -220,7 +220,7 @@ static void fe_clean_rx(struct fe_priv *priv)
if (priv->rx_dma) {
dma_free_coherent(&priv->netdev->dev,
- NUM_DMA_DESC * sizeof(*priv->rx_dma),
+ priv->rx_ring_size * sizeof(*priv->rx_dma),
priv->rx_dma,
priv->rx_phys);
priv->rx_dma = NULL;
@@ -232,19 +232,19 @@ static int fe_alloc_rx(struct fe_priv *priv)
struct net_device *netdev = priv->netdev;
int i, pad;
- priv->rx_data = kcalloc(NUM_DMA_DESC, sizeof(*priv->rx_data),
+ priv->rx_data = kcalloc(priv->rx_ring_size, sizeof(*priv->rx_data),
GFP_KERNEL);
if (!priv->rx_data)
goto no_rx_mem;
- for (i = 0; i < NUM_DMA_DESC; i++) {
+ for (i = 0; i < priv->rx_ring_size; i++) {
priv->rx_data[i] = netdev_alloc_frag(priv->frag_size);
if (!priv->rx_data[i])
goto no_rx_mem;
}
priv->rx_dma = dma_alloc_coherent(&netdev->dev,
- NUM_DMA_DESC * sizeof(*priv->rx_dma),
+ priv->rx_ring_size * sizeof(*priv->rx_dma),
&priv->rx_phys,
GFP_ATOMIC | __GFP_ZERO);
if (!priv->rx_dma)
@@ -254,7 +254,7 @@ static int fe_alloc_rx(struct fe_priv *priv)
pad = 0;
else
pad = NET_IP_ALIGN;
- for (i = 0; i < NUM_DMA_DESC; i++) {
+ for (i = 0; i < priv->rx_ring_size; i++) {
dma_addr_t dma_addr = dma_map_single(&netdev->dev,
priv->rx_data[i] + NET_SKB_PAD + pad,
priv->rx_buf_size,
@@ -271,8 +271,8 @@ static int fe_alloc_rx(struct fe_priv *priv)
wmb();
fe_reg_w32(priv->rx_phys, FE_REG_RX_BASE_PTR0);
- fe_reg_w32(NUM_DMA_DESC, FE_REG_RX_MAX_CNT0);
- fe_reg_w32((NUM_DMA_DESC - 1), FE_REG_RX_CALC_IDX0);
+ fe_reg_w32(priv->rx_ring_size, FE_REG_RX_MAX_CNT0);
+ fe_reg_w32((priv->rx_ring_size - 1), FE_REG_RX_CALC_IDX0);
fe_reg_w32(FE_PST_DRX_IDX0, FE_REG_PDMA_RST_CFG);
return 0;
@@ -312,7 +312,7 @@ static void fe_clean_tx(struct fe_priv *priv)
int i;
if (priv->tx_buf) {
- for (i = 0; i < NUM_DMA_DESC; i++)
+ for (i = 0; i < priv->tx_ring_size; i++)
fe_txd_unmap(&priv->netdev->dev, &priv->tx_buf[i]);
kfree(priv->tx_buf);
priv->tx_buf = NULL;
@@ -320,7 +320,7 @@ static void fe_clean_tx(struct fe_priv *priv)
if (priv->tx_dma) {
dma_free_coherent(&priv->netdev->dev,
- NUM_DMA_DESC * sizeof(*priv->tx_dma),
+ priv->tx_ring_size * sizeof(*priv->tx_dma),
priv->tx_dma,
priv->tx_phys);
priv->tx_dma = NULL;
@@ -333,19 +333,19 @@ static int fe_alloc_tx(struct fe_priv *priv)
priv->tx_free_idx = 0;
- priv->tx_buf = kcalloc(NUM_DMA_DESC, sizeof(*priv->tx_buf),
+ priv->tx_buf = kcalloc(priv->tx_ring_size, sizeof(*priv->tx_buf),
GFP_KERNEL);
if (!priv->tx_buf)
goto no_tx_mem;
priv->tx_dma = dma_alloc_coherent(&priv->netdev->dev,
- NUM_DMA_DESC * sizeof(*priv->tx_dma),
+ priv->tx_ring_size * sizeof(*priv->tx_dma),
&priv->tx_phys,
GFP_ATOMIC | __GFP_ZERO);
if (!priv->tx_dma)
goto no_tx_mem;
- for (i = 0; i < NUM_DMA_DESC; i++) {
+ for (i = 0; i < priv->tx_ring_size; i++) {
if (priv->soc->tx_dma) {
priv->soc->tx_dma(&priv->tx_dma[i]);
}
@@ -354,7 +354,7 @@ static int fe_alloc_tx(struct fe_priv *priv)
wmb();
fe_reg_w32(priv->tx_phys, FE_REG_TX_BASE_PTR0);
- fe_reg_w32(NUM_DMA_DESC, FE_REG_TX_MAX_CNT0);
+ fe_reg_w32(priv->tx_ring_size, FE_REG_TX_MAX_CNT0);
fe_reg_w32(0, FE_REG_TX_CTX_IDX0);
fe_reg_w32(FE_PST_DTX_IDX0, FE_REG_PDMA_RST_CFG);
@@ -702,8 +702,8 @@ static inline int fe_skb_padto(struct sk_buff *skb, struct fe_priv *priv) {
static inline u32 fe_empty_txd(struct fe_priv *priv, u32 tx_fill_idx)
{
- return (u32)(NUM_DMA_DESC - ((tx_fill_idx - priv->tx_free_idx) &
- (NUM_DMA_DESC - 1)));
+ return (u32)(priv->tx_ring_size - ((tx_fill_idx - priv->tx_free_idx) &
+ (priv->tx_ring_size - 1)));
}
static inline int fe_cal_txd_req(struct sk_buff *skb)
@@ -1481,16 +1481,15 @@ static int fe_probe(struct platform_device *pdev)
priv->msg_enable = netif_msg_init(fe_msg_level, FE_DEFAULT_MSG_ENABLE);
priv->frag_size = fe_max_frag_size(ETH_DATA_LEN);
priv->rx_buf_size = fe_max_buf_size(priv->frag_size);
- if (priv->frag_size > PAGE_SIZE) {
- dev_err(&pdev->dev, "error frag size.\n");
- err = -EINVAL;
- goto err_free_dev;
- }
+ priv->tx_ring_size = priv->rx_ring_size = NUM_DMA_DESC;
INIT_WORK(&priv->pending_work, fe_pending_work);
napi_weight = 32;
- if (priv->flags & FE_FLAG_NAPI_WEIGHT)
- napi_weight = 64;
+ if (priv->flags & FE_FLAG_NAPI_WEIGHT) {
+ napi_weight *= 2;
+ priv->tx_ring_size *= 2;
+ priv->rx_ring_size *= 2;
+ }
netif_napi_add(netdev, &priv->rx_napi, fe_poll, napi_weight);
fe_set_ethtool_ops(netdev);
diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/ralink_soc_eth.h b/target/linux/ramips/files/drivers/net/ethernet/ralink/ralink_soc_eth.h
index 9d5ea0ce58..2ad5d0130d 100644
--- a/target/linux/ramips/files/drivers/net/ethernet/ralink/ralink_soc_eth.h
+++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/ralink_soc_eth.h
@@ -61,11 +61,7 @@ enum fe_work_flag {
#define FE_DRV_VERSION "0.1.2"
/* power of 2 to let NEXT_TX_DESP_IDX work */
-#ifdef CONFIG_SOC_MT7621
-#define NUM_DMA_DESC (1 << 9)
-#else
#define NUM_DMA_DESC (1 << 7)
-#endif
#define MAX_DMA_DESC 0xfff
#define FE_DELAY_EN_INT 0x80
@@ -493,6 +489,8 @@ struct fe_priv
unsigned long vlan_map;
struct work_struct pending_work;
DECLARE_BITMAP(pending_flags, FE_FLAG_MAX);
+ u16 tx_ring_size;
+ u16 rx_ring_size;
};
extern const struct of_device_id of_fe_match[];
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-26 18:36:43 +0000