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-rw-r--r--drivers/net/tulip/21142.c23
-rw-r--r--drivers/net/tulip/de2104x.c5
-rw-r--r--drivers/net/tulip/tulip_core.c45
3 files changed, 51 insertions, 22 deletions
diff --git a/drivers/net/tulip/21142.c b/drivers/net/tulip/21142.c
index 1210fb3748a..db7d5e11855 100644
--- a/drivers/net/tulip/21142.c
+++ b/drivers/net/tulip/21142.c
@@ -9,6 +9,11 @@
Please refer to Documentation/DocBook/tulip-user.{pdf,ps,html}
for more information on this driver.
+
+ DC21143 manual "21143 PCI/CardBus 10/100Mb/s Ethernet LAN Controller
+ Hardware Reference Manual" is currently available at :
+ http://developer.intel.com/design/network/manuals/278074.htm
+
Please submit bugs to http://bugzilla.kernel.org/ .
*/
@@ -32,7 +37,11 @@ void t21142_media_task(struct work_struct *work)
int csr12 = ioread32(ioaddr + CSR12);
int next_tick = 60*HZ;
int new_csr6 = 0;
+ int csr14 = ioread32(ioaddr + CSR14);
+ /* CSR12[LS10,LS100] are not reliable during autonegotiation */
+ if ((csr14 & 0x80) && (csr12 & 0x7000) != 0x5000)
+ csr12 |= 6;
if (tulip_debug > 2)
printk(KERN_INFO"%s: 21143 negotiation status %8.8x, %s.\n",
dev->name, csr12, medianame[dev->if_port]);
@@ -76,7 +85,7 @@ void t21142_media_task(struct work_struct *work)
new_csr6 = 0x83860000;
dev->if_port = 3;
iowrite32(0, ioaddr + CSR13);
- iowrite32(0x0003FF7F, ioaddr + CSR14);
+ iowrite32(0x0003FFFF, ioaddr + CSR14);
iowrite16(8, ioaddr + CSR15);
iowrite32(1, ioaddr + CSR13);
}
@@ -132,10 +141,14 @@ void t21142_lnk_change(struct net_device *dev, int csr5)
struct tulip_private *tp = netdev_priv(dev);
void __iomem *ioaddr = tp->base_addr;
int csr12 = ioread32(ioaddr + CSR12);
+ int csr14 = ioread32(ioaddr + CSR14);
+ /* CSR12[LS10,LS100] are not reliable during autonegotiation */
+ if ((csr14 & 0x80) && (csr12 & 0x7000) != 0x5000)
+ csr12 |= 6;
if (tulip_debug > 1)
printk(KERN_INFO"%s: 21143 link status interrupt %8.8x, CSR5 %x, "
- "%8.8x.\n", dev->name, csr12, csr5, ioread32(ioaddr + CSR14));
+ "%8.8x.\n", dev->name, csr12, csr5, csr14);
/* If NWay finished and we have a negotiated partner capability. */
if (tp->nway && !tp->nwayset && (csr12 & 0x7000) == 0x5000) {
@@ -143,7 +156,9 @@ void t21142_lnk_change(struct net_device *dev, int csr5)
int negotiated = tp->sym_advertise & (csr12 >> 16);
tp->lpar = csr12 >> 16;
tp->nwayset = 1;
- if (negotiated & 0x0100) dev->if_port = 5;
+ /* If partner cannot negotiate, it is 10Mbps Half Duplex */
+ if (!(csr12 & 0x8000)) dev->if_port = 0;
+ else if (negotiated & 0x0100) dev->if_port = 5;
else if (negotiated & 0x0080) dev->if_port = 3;
else if (negotiated & 0x0040) dev->if_port = 4;
else if (negotiated & 0x0020) dev->if_port = 0;
@@ -214,7 +229,7 @@ void t21142_lnk_change(struct net_device *dev, int csr5)
tp->timer.expires = RUN_AT(3*HZ);
add_timer(&tp->timer);
} else if (dev->if_port == 5)
- iowrite32(ioread32(ioaddr + CSR14) & ~0x080, ioaddr + CSR14);
+ iowrite32(csr14 & ~0x080, ioaddr + CSR14);
} else if (dev->if_port == 0 || dev->if_port == 4) {
if ((csr12 & 4) == 0)
printk(KERN_INFO"%s: 21143 10baseT link beat good.\n",
diff --git a/drivers/net/tulip/de2104x.c b/drivers/net/tulip/de2104x.c
index d5d53b633cf..d4c5ecc51f7 100644
--- a/drivers/net/tulip/de2104x.c
+++ b/drivers/net/tulip/de2104x.c
@@ -392,7 +392,7 @@ static void de_rx (struct de_private *de)
unsigned drop = 0;
int rc;
- while (rx_work--) {
+ while (--rx_work) {
u32 status, len;
dma_addr_t mapping;
struct sk_buff *skb, *copy_skb;
@@ -464,13 +464,14 @@ static void de_rx (struct de_private *de)
drop = 1;
rx_next:
- de->rx_ring[rx_tail].opts1 = cpu_to_le32(DescOwn);
if (rx_tail == (DE_RX_RING_SIZE - 1))
de->rx_ring[rx_tail].opts2 =
cpu_to_le32(RingEnd | de->rx_buf_sz);
else
de->rx_ring[rx_tail].opts2 = cpu_to_le32(de->rx_buf_sz);
de->rx_ring[rx_tail].addr1 = cpu_to_le32(mapping);
+ wmb();
+ de->rx_ring[rx_tail].opts1 = cpu_to_le32(DescOwn);
rx_tail = NEXT_RX(rx_tail);
}
diff --git a/drivers/net/tulip/tulip_core.c b/drivers/net/tulip/tulip_core.c
index bee75fa87a9..2abb5d3becc 100644
--- a/drivers/net/tulip/tulip_core.c
+++ b/drivers/net/tulip/tulip_core.c
@@ -255,6 +255,7 @@ const char tulip_media_cap[32] =
static void tulip_tx_timeout(struct net_device *dev);
static void tulip_init_ring(struct net_device *dev);
+static void tulip_free_ring(struct net_device *dev);
static int tulip_start_xmit(struct sk_buff *skb, struct net_device *dev);
static int tulip_open(struct net_device *dev);
static int tulip_close(struct net_device *dev);
@@ -502,16 +503,21 @@ tulip_open(struct net_device *dev)
{
int retval;
- if ((retval = request_irq(dev->irq, &tulip_interrupt, IRQF_SHARED, dev->name, dev)))
- return retval;
-
tulip_init_ring (dev);
+ retval = request_irq(dev->irq, &tulip_interrupt, IRQF_SHARED, dev->name, dev);
+ if (retval)
+ goto free_ring;
+
tulip_up (dev);
netif_start_queue (dev);
return 0;
+
+free_ring:
+ tulip_free_ring (dev);
+ return retval;
}
@@ -768,23 +774,11 @@ static void tulip_down (struct net_device *dev)
tulip_set_power_state (tp, 0, 1);
}
-
-static int tulip_close (struct net_device *dev)
+static void tulip_free_ring (struct net_device *dev)
{
struct tulip_private *tp = netdev_priv(dev);
- void __iomem *ioaddr = tp->base_addr;
int i;
- netif_stop_queue (dev);
-
- tulip_down (dev);
-
- if (tulip_debug > 1)
- printk (KERN_DEBUG "%s: Shutting down ethercard, status was %2.2x.\n",
- dev->name, ioread32 (ioaddr + CSR5));
-
- free_irq (dev->irq, dev);
-
/* Free all the skbuffs in the Rx queue. */
for (i = 0; i < RX_RING_SIZE; i++) {
struct sk_buff *skb = tp->rx_buffers[i].skb;
@@ -803,6 +797,7 @@ static int tulip_close (struct net_device *dev)
dev_kfree_skb (skb);
}
}
+
for (i = 0; i < TX_RING_SIZE; i++) {
struct sk_buff *skb = tp->tx_buffers[i].skb;
@@ -814,6 +809,24 @@ static int tulip_close (struct net_device *dev)
tp->tx_buffers[i].skb = NULL;
tp->tx_buffers[i].mapping = 0;
}
+}
+
+static int tulip_close (struct net_device *dev)
+{
+ struct tulip_private *tp = netdev_priv(dev);
+ void __iomem *ioaddr = tp->base_addr;
+
+ netif_stop_queue (dev);
+
+ tulip_down (dev);
+
+ if (tulip_debug > 1)
+ printk (KERN_DEBUG "%s: Shutting down ethercard, status was %2.2x.\n",
+ dev->name, ioread32 (ioaddr + CSR5));
+
+ free_irq (dev->irq, dev);
+
+ tulip_free_ring (dev);
return 0;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-12 19:38:49 +0000