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-rw-r--r--drivers/net/gianfar.c24
-rw-r--r--drivers/net/gianfar.h12
-rw-r--r--drivers/net/gianfar_ethtool.c42
3 files changed, 40 insertions, 38 deletions
diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c
index 7398704c4b5..5100f75238a 100644
--- a/drivers/net/gianfar.c
+++ b/drivers/net/gianfar.c
@@ -428,11 +428,9 @@ static int gfar_probe(struct of_device *ofdev,
priv->rx_ring_size = DEFAULT_RX_RING_SIZE;
priv->txcoalescing = DEFAULT_TX_COALESCE;
- priv->txcount = DEFAULT_TXCOUNT;
- priv->txtime = DEFAULT_TXTIME;
+ priv->txic = DEFAULT_TXIC;
priv->rxcoalescing = DEFAULT_RX_COALESCE;
- priv->rxcount = DEFAULT_RXCOUNT;
- priv->rxtime = DEFAULT_RXTIME;
+ priv->rxic = DEFAULT_RXIC;
/* Enable most messages by default */
priv->msg_enable = (NETIF_MSG_IFUP << 1 ) - 1;
@@ -1060,17 +1058,13 @@ int startup_gfar(struct net_device *dev)
phy_start(priv->phydev);
/* Configure the coalescing support */
+ gfar_write(&regs->txic, 0);
if (priv->txcoalescing)
- gfar_write(&regs->txic,
- mk_ic_value(priv->txcount, priv->txtime));
- else
- gfar_write(&regs->txic, 0);
+ gfar_write(&regs->txic, priv->txic);
+ gfar_write(&regs->rxic, 0);
if (priv->rxcoalescing)
- gfar_write(&regs->rxic,
- mk_ic_value(priv->rxcount, priv->rxtime));
- else
- gfar_write(&regs->rxic, 0);
+ gfar_write(&regs->rxic, priv->rxic);
if (priv->rx_csum_enable)
rctrl |= RCTRL_CHECKSUMMING;
@@ -1538,8 +1532,7 @@ static irqreturn_t gfar_transmit(int irq, void *dev_id)
/* Otherwise, clear it */
if (likely(priv->txcoalescing)) {
gfar_write(&priv->regs->txic, 0);
- gfar_write(&priv->regs->txic,
- mk_ic_value(priv->txcount, priv->txtime));
+ gfar_write(&priv->regs->txic, priv->txic);
}
spin_unlock(&priv->txlock);
@@ -1825,8 +1818,7 @@ static int gfar_poll(struct napi_struct *napi, int budget)
/* Otherwise, clear it */
if (likely(priv->rxcoalescing)) {
gfar_write(&priv->regs->rxic, 0);
- gfar_write(&priv->regs->rxic,
- mk_ic_value(priv->rxcount, priv->rxtime));
+ gfar_write(&priv->regs->rxic, priv->rxic);
}
}
diff --git a/drivers/net/gianfar.h b/drivers/net/gianfar.h
index ca7f0a6a68c..449f508a564 100644
--- a/drivers/net/gianfar.h
+++ b/drivers/net/gianfar.h
@@ -189,6 +189,12 @@ extern const char gfar_driver_version[];
#define mk_ic_value(count, time) (IC_ICEN | \
mk_ic_icft(count) | \
mk_ic_ictt(time))
+#define get_icft_value(ic) (((unsigned long)ic & IC_ICFT_MASK) >> \
+ IC_ICFT_SHIFT)
+#define get_ictt_value(ic) ((unsigned long)ic & IC_ICTT_MASK)
+
+#define DEFAULT_TXIC mk_ic_value(DEFAULT_TXCOUNT, DEFAULT_TXTIME)
+#define DEFAULT_RXIC mk_ic_value(DEFAULT_RXCOUNT, DEFAULT_RXTIME)
#define RCTRL_PAL_MASK 0x001f0000
#define RCTRL_VLEX 0x00002000
@@ -694,8 +700,7 @@ struct gfar_private {
/* Configuration info for the coalescing features */
unsigned char txcoalescing;
- unsigned short txcount;
- unsigned short txtime;
+ unsigned long txic;
/* Buffer descriptor pointers */
struct txbd8 *tx_bd_base; /* First tx buffer descriptor */
@@ -717,8 +722,7 @@ struct gfar_private {
/* RX Coalescing values */
unsigned char rxcoalescing;
- unsigned short rxcount;
- unsigned short rxtime;
+ unsigned long rxic;
struct rxbd8 *rx_bd_base; /* First Rx buffers */
struct rxbd8 *cur_rx; /* Next free rx ring entry */
diff --git a/drivers/net/gianfar_ethtool.c b/drivers/net/gianfar_ethtool.c
index 53944b120a3..c111c532f7b 100644
--- a/drivers/net/gianfar_ethtool.c
+++ b/drivers/net/gianfar_ethtool.c
@@ -201,8 +201,8 @@ static int gfar_gsettings(struct net_device *dev, struct ethtool_cmd *cmd)
if (NULL == phydev)
return -ENODEV;
- cmd->maxtxpkt = priv->txcount;
- cmd->maxrxpkt = priv->rxcount;
+ cmd->maxtxpkt = get_icft_value(priv->txic);
+ cmd->maxrxpkt = get_icft_value(priv->rxic);
return phy_ethtool_gset(phydev, cmd);
}
@@ -279,6 +279,10 @@ static unsigned int gfar_ticks2usecs(struct gfar_private *priv, unsigned int tic
static int gfar_gcoalesce(struct net_device *dev, struct ethtool_coalesce *cvals)
{
struct gfar_private *priv = netdev_priv(dev);
+ unsigned long rxtime;
+ unsigned long rxcount;
+ unsigned long txtime;
+ unsigned long txcount;
if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_COALESCE))
return -EOPNOTSUPP;
@@ -286,11 +290,15 @@ static int gfar_gcoalesce(struct net_device *dev, struct ethtool_coalesce *cvals
if (NULL == priv->phydev)
return -ENODEV;
- cvals->rx_coalesce_usecs = gfar_ticks2usecs(priv, priv->rxtime);
- cvals->rx_max_coalesced_frames = priv->rxcount;
+ rxtime = get_ictt_value(priv->rxic);
+ rxcount = get_icft_value(priv->rxic);
+ txtime = get_ictt_value(priv->txic);
+ txcount = get_icft_value(priv->txic);;
+ cvals->rx_coalesce_usecs = gfar_ticks2usecs(priv, rxtime);
+ cvals->rx_max_coalesced_frames = rxcount;
- cvals->tx_coalesce_usecs = gfar_ticks2usecs(priv, priv->txtime);
- cvals->tx_max_coalesced_frames = priv->txcount;
+ cvals->tx_coalesce_usecs = gfar_ticks2usecs(priv, txtime);
+ cvals->tx_max_coalesced_frames = txcount;
cvals->use_adaptive_rx_coalesce = 0;
cvals->use_adaptive_tx_coalesce = 0;
@@ -358,8 +366,9 @@ static int gfar_scoalesce(struct net_device *dev, struct ethtool_coalesce *cvals
return -EINVAL;
}
- priv->rxtime = gfar_usecs2ticks(priv, cvals->rx_coalesce_usecs);
- priv->rxcount = cvals->rx_max_coalesced_frames;
+ priv->rxic = mk_ic_value(
+ gfar_usecs2ticks(priv, cvals->rx_coalesce_usecs),
+ cvals->rx_max_coalesced_frames);
/* Set up tx coalescing */
if ((cvals->tx_coalesce_usecs == 0) ||
@@ -381,20 +390,17 @@ static int gfar_scoalesce(struct net_device *dev, struct ethtool_coalesce *cvals
return -EINVAL;
}
- priv->txtime = gfar_usecs2ticks(priv, cvals->tx_coalesce_usecs);
- priv->txcount = cvals->tx_max_coalesced_frames;
+ priv->txic = mk_ic_value(
+ gfar_usecs2ticks(priv, cvals->tx_coalesce_usecs),
+ cvals->tx_max_coalesced_frames);
+ gfar_write(&priv->regs->rxic, 0);
if (priv->rxcoalescing)
- gfar_write(&priv->regs->rxic,
- mk_ic_value(priv->rxcount, priv->rxtime));
- else
- gfar_write(&priv->regs->rxic, 0);
+ gfar_write(&priv->regs->rxic, priv->rxic);
+ gfar_write(&priv->regs->txic, 0);
if (priv->txcoalescing)
- gfar_write(&priv->regs->txic,
- mk_ic_value(priv->txcount, priv->txtime));
- else
- gfar_write(&priv->regs->txic, 0);
+ gfar_write(&priv->regs->txic, priv->txic);
return 0;
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-19 07:51:34 +0000