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path: root/drivers/net/ethernet/rdc/r6040.c
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Diffstat (limited to 'drivers/net/ethernet/rdc/r6040.c')
-rw-r--r--drivers/net/ethernet/rdc/r6040.c91
1 files changed, 34 insertions, 57 deletions
diff --git a/drivers/net/ethernet/rdc/r6040.c b/drivers/net/ethernet/rdc/r6040.c
index 6b541e57c96a..cb29ee24cf1b 100644
--- a/drivers/net/ethernet/rdc/r6040.c
+++ b/drivers/net/ethernet/rdc/r6040.c
@@ -4,7 +4,7 @@
* Copyright (C) 2004 Sten Wang <sten.wang@rdc.com.tw>
* Copyright (C) 2007
* Daniel Gimpelevich <daniel@gimpelevich.san-francisco.ca.us>
- * Copyright (C) 2007-2012 Florian Fainelli <florian@openwrt.org>
+ * Copyright (C) 2007-2012 Florian Fainelli <f.fainelli@gmail.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
@@ -48,8 +48,8 @@
#include <asm/processor.h>
#define DRV_NAME "r6040"
-#define DRV_VERSION "0.28"
-#define DRV_RELDATE "07Oct2011"
+#define DRV_VERSION "0.29"
+#define DRV_RELDATE "04Jul2016"
/* Time in jiffies before concluding the transmitter is hung. */
#define TX_TIMEOUT (6000 * HZ / 1000)
@@ -162,7 +162,7 @@
MODULE_AUTHOR("Sten Wang <sten.wang@rdc.com.tw>,"
"Daniel Gimpelevich <daniel@gimpelevich.san-francisco.ca.us>,"
- "Florian Fainelli <florian@openwrt.org>");
+ "Florian Fainelli <f.fainelli@gmail.com>");
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("RDC R6040 NAPI PCI FastEthernet driver");
MODULE_VERSION(DRV_VERSION " " DRV_RELDATE);
@@ -200,7 +200,6 @@ struct r6040_private {
struct mii_bus *mii_bus;
struct napi_struct napi;
void __iomem *base;
- struct phy_device *phydev;
int old_link;
int old_duplex;
};
@@ -474,7 +473,7 @@ static void r6040_down(struct net_device *dev)
iowrite16(adrp[1], ioaddr + MID_0M);
iowrite16(adrp[2], ioaddr + MID_0H);
- phy_stop(lp->phydev);
+ phy_stop(dev->phydev);
}
static int r6040_close(struct net_device *dev)
@@ -515,12 +514,10 @@ static int r6040_close(struct net_device *dev)
static int r6040_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
{
- struct r6040_private *lp = netdev_priv(dev);
-
- if (!lp->phydev)
+ if (!dev->phydev)
return -EINVAL;
- return phy_mii_ioctl(lp->phydev, rq, cmd);
+ return phy_mii_ioctl(dev->phydev, rq, cmd);
}
static int r6040_rx(struct net_device *dev, int limit)
@@ -617,10 +614,15 @@ static void r6040_tx(struct net_device *dev)
if (descptr->status & DSC_OWNER_MAC)
break; /* Not complete */
skb_ptr = descptr->skb_ptr;
+
+ /* Statistic Counter */
+ dev->stats.tx_packets++;
+ dev->stats.tx_bytes += skb_ptr->len;
+
pci_unmap_single(priv->pdev, le32_to_cpu(descptr->buf),
skb_ptr->len, PCI_DMA_TODEVICE);
/* Free buffer */
- dev_kfree_skb_irq(skb_ptr);
+ dev_kfree_skb(skb_ptr);
descptr->skb_ptr = NULL;
/* To next descriptor */
descptr = descptr->vndescp;
@@ -641,12 +643,15 @@ static int r6040_poll(struct napi_struct *napi, int budget)
void __iomem *ioaddr = priv->base;
int work_done;
+ r6040_tx(dev);
+
work_done = r6040_rx(dev, budget);
if (work_done < budget) {
- napi_complete(napi);
- /* Enable RX interrupt */
- iowrite16(ioread16(ioaddr + MIER) | RX_INTS, ioaddr + MIER);
+ napi_complete_done(napi, work_done);
+ /* Enable RX/TX interrupt */
+ iowrite16(ioread16(ioaddr + MIER) | RX_INTS | TX_INTS,
+ ioaddr + MIER);
}
return work_done;
}
@@ -673,7 +678,7 @@ static irqreturn_t r6040_interrupt(int irq, void *dev_id)
}
/* RX interrupt request */
- if (status & RX_INTS) {
+ if (status & (RX_INTS | TX_INTS)) {
if (status & RX_NO_DESC) {
/* RX descriptor unavailable */
dev->stats.rx_dropped++;
@@ -684,15 +689,11 @@ static irqreturn_t r6040_interrupt(int irq, void *dev_id)
if (likely(napi_schedule_prep(&lp->napi))) {
/* Mask off RX interrupt */
- misr &= ~RX_INTS;
- __napi_schedule(&lp->napi);
+ misr &= ~(RX_INTS | TX_INTS);
+ __napi_schedule_irqoff(&lp->napi);
}
}
- /* TX interrupt request */
- if (status & TX_INTS)
- r6040_tx(dev);
-
/* Restore RDC MAC interrupt */
iowrite16(misr, ioaddr + MIER);
@@ -732,7 +733,7 @@ static int r6040_up(struct net_device *dev)
/* Initialize all MAC registers */
r6040_init_mac_regs(dev);
- phy_start(lp->phydev);
+ phy_start(dev->phydev);
return 0;
}
@@ -813,6 +814,9 @@ static netdev_tx_t r6040_start_xmit(struct sk_buff *skb,
void __iomem *ioaddr = lp->base;
unsigned long flags;
+ if (skb_put_padto(skb, ETH_ZLEN) < 0)
+ return NETDEV_TX_OK;
+
/* Critical Section */
spin_lock_irqsave(&lp->lock, flags);
@@ -824,17 +828,10 @@ static netdev_tx_t r6040_start_xmit(struct sk_buff *skb,
return NETDEV_TX_BUSY;
}
- /* Statistic Counter */
- dev->stats.tx_packets++;
- dev->stats.tx_bytes += skb->len;
/* Set TX descriptor & Transmit it */
lp->tx_free_desc--;
descptr = lp->tx_insert_ptr;
- if (skb->len < ETH_ZLEN)
- descptr->len = ETH_ZLEN;
- else
- descptr->len = skb->len;
-
+ descptr->len = skb->len;
descptr->skb_ptr = skb;
descptr->buf = cpu_to_le32(pci_map_single(lp->pdev,
skb->data, skb->len, PCI_DMA_TODEVICE));
@@ -843,7 +840,8 @@ static netdev_tx_t r6040_start_xmit(struct sk_buff *skb,
skb_tx_timestamp(skb);
/* Trigger the MAC to check the TX descriptor */
- iowrite16(TM2TX, ioaddr + MTPR);
+ if (!skb->xmit_more || netif_queue_stopped(dev))
+ iowrite16(TM2TX, ioaddr + MTPR);
lp->tx_insert_ptr = descptr->vndescp;
/* If no tx resource, stop */
@@ -957,26 +955,12 @@ static void netdev_get_drvinfo(struct net_device *dev,
strlcpy(info->bus_info, pci_name(rp->pdev), sizeof(info->bus_info));
}
-static int netdev_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
-{
- struct r6040_private *rp = netdev_priv(dev);
-
- return phy_ethtool_gset(rp->phydev, cmd);
-}
-
-static int netdev_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
-{
- struct r6040_private *rp = netdev_priv(dev);
-
- return phy_ethtool_sset(rp->phydev, cmd);
-}
-
static const struct ethtool_ops netdev_ethtool_ops = {
.get_drvinfo = netdev_get_drvinfo,
- .get_settings = netdev_get_settings,
- .set_settings = netdev_set_settings,
.get_link = ethtool_op_get_link,
.get_ts_info = ethtool_op_get_ts_info,
+ .get_link_ksettings = phy_ethtool_get_link_ksettings,
+ .set_link_ksettings = phy_ethtool_set_link_ksettings,
};
static const struct net_device_ops r6040_netdev_ops = {
@@ -998,7 +982,7 @@ static const struct net_device_ops r6040_netdev_ops = {
static void r6040_adjust_link(struct net_device *dev)
{
struct r6040_private *lp = netdev_priv(dev);
- struct phy_device *phydev = lp->phydev;
+ struct phy_device *phydev = dev->phydev;
int status_changed = 0;
void __iomem *ioaddr = lp->base;
@@ -1018,14 +1002,8 @@ static void r6040_adjust_link(struct net_device *dev)
lp->old_duplex = phydev->duplex;
}
- if (status_changed) {
- pr_info("%s: link %s", dev->name, phydev->link ?
- "UP" : "DOWN");
- if (phydev->link)
- pr_cont(" - %d/%s", phydev->speed,
- DUPLEX_FULL == phydev->duplex ? "full" : "half");
- pr_cont("\n");
- }
+ if (status_changed)
+ phy_print_status(phydev);
}
static int r6040_mii_probe(struct net_device *dev)
@@ -1057,7 +1035,6 @@ static int r6040_mii_probe(struct net_device *dev)
| SUPPORTED_TP);
phydev->advertising = phydev->supported;
- lp->phydev = phydev;
lp->old_link = 0;
lp->old_duplex = -1;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.