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path: root/drivers/net/b44.c
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Diffstat (limited to 'drivers/net/b44.c')
-rw-r--r--drivers/net/b44.c64
1 files changed, 29 insertions, 35 deletions
diff --git a/drivers/net/b44.c b/drivers/net/b44.c
index c4e12b5cbb9..3d306681919 100644
--- a/drivers/net/b44.c
+++ b/drivers/net/b44.c
@@ -2,6 +2,7 @@
*
* Copyright (C) 2002 David S. Miller (davem@redhat.com)
* Fixed by Pekka Pietikainen (pp@ee.oulu.fi)
+ * Copyright (C) 2006 Broadcom Corporation.
*
* Distribute under GPL.
*/
@@ -28,8 +29,8 @@
#define DRV_MODULE_NAME "b44"
#define PFX DRV_MODULE_NAME ": "
-#define DRV_MODULE_VERSION "0.97"
-#define DRV_MODULE_RELDATE "Nov 30, 2005"
+#define DRV_MODULE_VERSION "1.00"
+#define DRV_MODULE_RELDATE "Apr 7, 2006"
#define B44_DEF_MSG_ENABLE \
(NETIF_MSG_DRV | \
@@ -136,7 +137,7 @@ static inline unsigned long br32(const struct b44 *bp, unsigned long reg)
return readl(bp->regs + reg);
}
-static inline void bw32(const struct b44 *bp,
+static inline void bw32(const struct b44 *bp,
unsigned long reg, unsigned long val)
{
writel(val, bp->regs + reg);
@@ -286,13 +287,13 @@ static void __b44_cam_write(struct b44 *bp, unsigned char *data, int index)
val |= ((u32) data[4]) << 8;
val |= ((u32) data[5]) << 0;
bw32(bp, B44_CAM_DATA_LO, val);
- val = (CAM_DATA_HI_VALID |
+ val = (CAM_DATA_HI_VALID |
(((u32) data[0]) << 8) |
(((u32) data[1]) << 0));
bw32(bp, B44_CAM_DATA_HI, val);
bw32(bp, B44_CAM_CTRL, (CAM_CTRL_WRITE |
(index << CAM_CTRL_INDEX_SHIFT)));
- b44_wait_bit(bp, B44_CAM_CTRL, CAM_CTRL_BUSY, 100, 1);
+ b44_wait_bit(bp, B44_CAM_CTRL, CAM_CTRL_BUSY, 100, 1);
}
static inline void __b44_disable_ints(struct b44 *bp)
@@ -410,25 +411,18 @@ static void __b44_set_flow_ctrl(struct b44 *bp, u32 pause_flags)
static void b44_set_flow_ctrl(struct b44 *bp, u32 local, u32 remote)
{
- u32 pause_enab = bp->flags & (B44_FLAG_TX_PAUSE |
- B44_FLAG_RX_PAUSE);
+ u32 pause_enab = 0;
- if (local & ADVERTISE_PAUSE_CAP) {
- if (local & ADVERTISE_PAUSE_ASYM) {
- if (remote & LPA_PAUSE_CAP)
- pause_enab |= (B44_FLAG_TX_PAUSE |
- B44_FLAG_RX_PAUSE);
- else if (remote & LPA_PAUSE_ASYM)
- pause_enab |= B44_FLAG_RX_PAUSE;
- } else {
- if (remote & LPA_PAUSE_CAP)
- pause_enab |= (B44_FLAG_TX_PAUSE |
- B44_FLAG_RX_PAUSE);
- }
- } else if (local & ADVERTISE_PAUSE_ASYM) {
- if ((remote & LPA_PAUSE_CAP) &&
- (remote & LPA_PAUSE_ASYM))
- pause_enab |= B44_FLAG_TX_PAUSE;
+ /* The driver supports only rx pause by default because
+ the b44 mac tx pause mechanism generates excessive
+ pause frames.
+ Use ethtool to turn on b44 tx pause if necessary.
+ */
+ if ((local & ADVERTISE_PAUSE_CAP) &&
+ (local & ADVERTISE_PAUSE_ASYM)){
+ if ((remote & LPA_PAUSE_ASYM) &&
+ !(remote & LPA_PAUSE_CAP))
+ pause_enab |= B44_FLAG_RX_PAUSE;
}
__b44_set_flow_ctrl(bp, pause_enab);
@@ -1063,7 +1057,7 @@ static int b44_change_mtu(struct net_device *dev, int new_mtu)
spin_unlock_irq(&bp->lock);
b44_enable_ints(bp);
-
+
return 0;
}
@@ -1381,7 +1375,7 @@ static void b44_init_hw(struct b44 *bp)
bw32(bp, B44_DMARX_ADDR, bp->rx_ring_dma + bp->dma_offset);
bw32(bp, B44_DMARX_PTR, bp->rx_pending);
- bp->rx_prod = bp->rx_pending;
+ bp->rx_prod = bp->rx_pending;
bw32(bp, B44_MIB_CTRL, MIB_CTRL_CLR_ON_READ);
@@ -1553,9 +1547,9 @@ static void __b44_set_rx_mode(struct net_device *dev)
val |= RXCONFIG_ALLMULTI;
else
i = __b44_load_mcast(bp, dev);
-
+
for (; i < 64; i++) {
- __b44_cam_write(bp, zero, i);
+ __b44_cam_write(bp, zero, i);
}
bw32(bp, B44_RXCONFIG, val);
val = br32(bp, B44_CAM_CTRL);
@@ -1737,7 +1731,7 @@ static int b44_set_ringparam(struct net_device *dev,
spin_unlock_irq(&bp->lock);
b44_enable_ints(bp);
-
+
return 0;
}
@@ -1782,7 +1776,7 @@ static int b44_set_pauseparam(struct net_device *dev,
spin_unlock_irq(&bp->lock);
b44_enable_ints(bp);
-
+
return 0;
}
@@ -1898,7 +1892,7 @@ static int __devinit b44_get_invariants(struct b44 *bp)
bp->core_unit = ssb_core_unit(bp);
bp->dma_offset = SB_PCI_DMA;
- /* XXX - really required?
+ /* XXX - really required?
bp->flags |= B44_FLAG_BUGGY_TXPTR;
*/
out:
@@ -1946,7 +1940,7 @@ static int __devinit b44_init_one(struct pci_dev *pdev,
"aborting.\n");
goto err_out_free_res;
}
-
+
err = pci_set_consistent_dma_mask(pdev, (u64) B44_DMA_MASK);
if (err) {
printk(KERN_ERR PFX "No usable DMA configuration, "
@@ -2041,9 +2035,9 @@ static int __devinit b44_init_one(struct pci_dev *pdev,
pci_save_state(bp->pdev);
- /* Chip reset provides power to the b44 MAC & PCI cores, which
+ /* Chip reset provides power to the b44 MAC & PCI cores, which
* is necessary for MAC register access.
- */
+ */
b44_chip_reset(bp);
printk(KERN_INFO "%s: Broadcom 4400 10/100BaseT Ethernet ", dev->name);
@@ -2091,10 +2085,10 @@ static int b44_suspend(struct pci_dev *pdev, pm_message_t state)
del_timer_sync(&bp->timer);
- spin_lock_irq(&bp->lock);
+ spin_lock_irq(&bp->lock);
b44_halt(bp);
- netif_carrier_off(bp->dev);
+ netif_carrier_off(bp->dev);
netif_device_detach(bp->dev);
b44_free_rings(bp);