1 files changed, 254 insertions, 54 deletions

diff --git a/drivers/net/b44.c b/drivers/net/b44.c
index d8233e0b7899..bea0fc0ede2f 100644
--- a/drivers/net/b44.c
+++ b/drivers/net/b44.c
@@ -29,8 +29,8 @@
 
 #define DRV_MODULE_NAME         "b44"
 #define PFX DRV_MODULE_NAME     ": "
-#define DRV_MODULE_VERSION      "1.00"
-#define DRV_MODULE_RELDATE      "Apr 7, 2006"
+#define DRV_MODULE_VERSION      "1.01"
+#define DRV_MODULE_RELDATE      "Jun 16, 2006"
 
 #define B44_DEF_MSG_ENABLE        \
         (NETIF_MSG_DRV          | \
@@ -75,6 +75,15 @@
 /* minimum number of free TX descriptors required to wake up TX process */
 #define B44_TX_WAKEUP_THRESH            (B44_TX_RING_SIZE / 4)
 
+/* b44 internal pattern match filter info */
+#define B44_PATTERN_BASE        0x400
+#define B44_PATTERN_SIZE        0x80
+#define B44_PMASK_BASE          0x600
+#define B44_PMASK_SIZE          0x10
+#define B44_MAX_PATTERNS        16
+#define B44_ETHIPV6UDP_HLEN     62
+#define B44_ETHIPV4UDP_HLEN     42
+
 static char version[] __devinitdata =
         DRV_MODULE_NAME ".c:v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
 
@@ -101,7 +110,7 @@ MODULE_DEVICE_TABLE(pci, b44_pci_tbl);
 
 static void b44_halt(struct b44 *);
 static void b44_init_rings(struct b44 *);
-static void b44_init_hw(struct b44 *);
+static void b44_init_hw(struct b44 *, int);
 
 static int dma_desc_align_mask;
 static int dma_desc_sync_size;
@@ -873,7 +882,7 @@ static int b44_poll(struct net_device *netdev, int *budget)
                 spin_lock_irq(&bp->lock);
                 b44_halt(bp);
                 b44_init_rings(bp);
-                b44_init_hw(bp);
+                b44_init_hw(bp, 1);
                 netif_wake_queue(bp->dev);
                 spin_unlock_irq(&bp->lock);
                 done = 1;
@@ -942,7 +951,7 @@ static void b44_tx_timeout(struct net_device *dev)
 
         b44_halt(bp);
         b44_init_rings(bp);
-        b44_init_hw(bp);
+        b44_init_hw(bp, 1);
 
         spin_unlock_irq(&bp->lock);
 
@@ -1059,7 +1068,7 @@ static int b44_change_mtu(struct net_device *dev, int new_mtu)
         b44_halt(bp);
         dev->mtu = new_mtu;
         b44_init_rings(bp);
-        b44_init_hw(bp);
+        b44_init_hw(bp, 1);
         spin_unlock_irq(&bp->lock);
 
         b44_enable_ints(bp);
@@ -1356,13 +1365,15 @@ static int b44_set_mac_addr(struct net_device *dev, void *p)
  * packet processing.  Invoked with bp->lock held.
  */
 static void __b44_set_rx_mode(struct net_device *);
-static void b44_init_hw(struct b44 *bp)
+static void b44_init_hw(struct b44 *bp, int full_reset)
 {
         u32 val;
 
         b44_chip_reset(bp);
-        b44_phy_reset(bp);
-        b44_setup_phy(bp);
+        if (full_reset) {
+                b44_phy_reset(bp);
+                b44_setup_phy(bp);
+        }
 
         /* Enable CRC32, set proper LED modes and power on PHY */
         bw32(bp, B44_MAC_CTRL, MAC_CTRL_CRC32_ENAB | MAC_CTRL_PHY_LEDCTRL);
@@ -1376,16 +1387,21 @@ static void b44_init_hw(struct b44 *bp)
         bw32(bp, B44_TXMAXLEN, bp->dev->mtu + ETH_HLEN + 8 + RX_HEADER_LEN);
 
         bw32(bp, B44_TX_WMARK, 56); /* XXX magic */
-        bw32(bp, B44_DMATX_CTRL, DMATX_CTRL_ENABLE);
-        bw32(bp, B44_DMATX_ADDR, bp->tx_ring_dma + bp->dma_offset);
-        bw32(bp, B44_DMARX_CTRL, (DMARX_CTRL_ENABLE |
-                              (bp->rx_offset << DMARX_CTRL_ROSHIFT)));
-        bw32(bp, B44_DMARX_ADDR, bp->rx_ring_dma + bp->dma_offset);
+        if (full_reset) {
+                bw32(bp, B44_DMATX_CTRL, DMATX_CTRL_ENABLE);
+                bw32(bp, B44_DMATX_ADDR, bp->tx_ring_dma + bp->dma_offset);
+                bw32(bp, B44_DMARX_CTRL, (DMARX_CTRL_ENABLE |
+                                      (bp->rx_offset << DMARX_CTRL_ROSHIFT)));
+                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;
+                bw32(bp, B44_DMARX_PTR, bp->rx_pending);
+                bp->rx_prod = bp->rx_pending;
 
-        bw32(bp, B44_MIB_CTRL, MIB_CTRL_CLR_ON_READ);
+                bw32(bp, B44_MIB_CTRL, MIB_CTRL_CLR_ON_READ);
+        } else {
+                bw32(bp, B44_DMARX_CTRL, (DMARX_CTRL_ENABLE |
+                                      (bp->rx_offset << DMARX_CTRL_ROSHIFT)));
+        }
 
         val = br32(bp, B44_ENET_CTRL);
         bw32(bp, B44_ENET_CTRL, (val | ENET_CTRL_ENABLE));
@@ -1401,11 +1417,11 @@ static int b44_open(struct net_device *dev)
                 goto out;
 
         b44_init_rings(bp);
-        b44_init_hw(bp);
+        b44_init_hw(bp, 1);
 
         b44_check_phy(bp);
 
-        err = request_irq(dev->irq, b44_interrupt, SA_SHIRQ, dev->name, dev);
+        err = request_irq(dev->irq, b44_interrupt, IRQF_SHARED, dev->name, dev);
         if (unlikely(err < 0)) {
                 b44_chip_reset(bp);
                 b44_free_rings(bp);
@@ -1450,6 +1466,140 @@ static void b44_poll_controller(struct net_device *dev)
 }
 #endif
 
+static void bwfilter_table(struct b44 *bp, u8 *pp, u32 bytes, u32 table_offset)
+{
+        u32 i;
+        u32 *pattern = (u32 *) pp;
+
+        for (i = 0; i < bytes; i += sizeof(u32)) {
+                bw32(bp, B44_FILT_ADDR, table_offset + i);
+                bw32(bp, B44_FILT_DATA, pattern[i / sizeof(u32)]);
+        }
+}
+
+static int b44_magic_pattern(u8 *macaddr, u8 *ppattern, u8 *pmask, int offset)
+{
+        int magicsync = 6;
+        int k, j, len = offset;
+        int ethaddr_bytes = ETH_ALEN;
+
+        memset(ppattern + offset, 0xff, magicsync);
+        for (j = 0; j < magicsync; j++)
+                set_bit(len++, (unsigned long *) pmask);
+
+        for (j = 0; j < B44_MAX_PATTERNS; j++) {
+                if ((B44_PATTERN_SIZE - len) >= ETH_ALEN)
+                        ethaddr_bytes = ETH_ALEN;
+                else
+                        ethaddr_bytes = B44_PATTERN_SIZE - len;
+                if (ethaddr_bytes <=0)
+                        break;
+                for (k = 0; k< ethaddr_bytes; k++) {
+                        ppattern[offset + magicsync +
+                                (j * ETH_ALEN) + k] = macaddr[k];
+                        len++;
+                        set_bit(len, (unsigned long *) pmask);
+                }
+        }
+        return len - 1;
+}
+
+/* Setup magic packet patterns in the b44 WOL
+ * pattern matching filter.
+ */
+static void b44_setup_pseudo_magicp(struct b44 *bp)
+{
+
+        u32 val;
+        int plen0, plen1, plen2;
+        u8 *pwol_pattern;
+        u8 pwol_mask[B44_PMASK_SIZE];
+
+        pwol_pattern = kmalloc(B44_PATTERN_SIZE, GFP_KERNEL);
+        if (!pwol_pattern) {
+                printk(KERN_ERR PFX "Memory not available for WOL\n");
+                return;
+        }
+
+        /* Ipv4 magic packet pattern - pattern 0.*/
+        memset(pwol_pattern, 0, B44_PATTERN_SIZE);
+        memset(pwol_mask, 0, B44_PMASK_SIZE);
+        plen0 = b44_magic_pattern(bp->dev->dev_addr, pwol_pattern, pwol_mask,
+                                  B44_ETHIPV4UDP_HLEN);
+
+        bwfilter_table(bp, pwol_pattern, B44_PATTERN_SIZE, B44_PATTERN_BASE);
+        bwfilter_table(bp, pwol_mask, B44_PMASK_SIZE, B44_PMASK_BASE);
+
+        /* Raw ethernet II magic packet pattern - pattern 1 */
+        memset(pwol_pattern, 0, B44_PATTERN_SIZE);
+        memset(pwol_mask, 0, B44_PMASK_SIZE);
+        plen1 = b44_magic_pattern(bp->dev->dev_addr, pwol_pattern, pwol_mask,
+                                  ETH_HLEN);
+
+        bwfilter_table(bp, pwol_pattern, B44_PATTERN_SIZE,
+                       B44_PATTERN_BASE + B44_PATTERN_SIZE);
+        bwfilter_table(bp, pwol_mask, B44_PMASK_SIZE,
+                       B44_PMASK_BASE + B44_PMASK_SIZE);
+
+        /* Ipv6 magic packet pattern - pattern 2 */
+        memset(pwol_pattern, 0, B44_PATTERN_SIZE);
+        memset(pwol_mask, 0, B44_PMASK_SIZE);
+        plen2 = b44_magic_pattern(bp->dev->dev_addr, pwol_pattern, pwol_mask,
+                                  B44_ETHIPV6UDP_HLEN);
+
+        bwfilter_table(bp, pwol_pattern, B44_PATTERN_SIZE,
+                       B44_PATTERN_BASE + B44_PATTERN_SIZE + B44_PATTERN_SIZE);
+        bwfilter_table(bp, pwol_mask, B44_PMASK_SIZE,
+                       B44_PMASK_BASE + B44_PMASK_SIZE + B44_PMASK_SIZE);
+
+        kfree(pwol_pattern);
+
+        /* set these pattern's lengths: one less than each real length */
+        val = plen0 | (plen1 << 8) | (plen2 << 16) | WKUP_LEN_ENABLE_THREE;
+        bw32(bp, B44_WKUP_LEN, val);
+
+        /* enable wakeup pattern matching */
+        val = br32(bp, B44_DEVCTRL);
+        bw32(bp, B44_DEVCTRL, val | DEVCTRL_PFE);
+
+}
+
+static void b44_setup_wol(struct b44 *bp)
+{
+        u32 val;
+        u16 pmval;
+
+        bw32(bp, B44_RXCONFIG, RXCONFIG_ALLMULTI);
+
+        if (bp->flags & B44_FLAG_B0_ANDLATER) {
+
+                bw32(bp, B44_WKUP_LEN, WKUP_LEN_DISABLE);
+
+                val = bp->dev->dev_addr[2] << 24 |
+                        bp->dev->dev_addr[3] << 16 |
+                        bp->dev->dev_addr[4] << 8 |
+                        bp->dev->dev_addr[5];
+                bw32(bp, B44_ADDR_LO, val);
+
+                val = bp->dev->dev_addr[0] << 8 |
+                        bp->dev->dev_addr[1];
+                bw32(bp, B44_ADDR_HI, val);
+
+                val = br32(bp, B44_DEVCTRL);
+                bw32(bp, B44_DEVCTRL, val | DEVCTRL_MPM | DEVCTRL_PFE);
+
+        } else {
+                b44_setup_pseudo_magicp(bp);
+        }
+
+        val = br32(bp, B44_SBTMSLOW);
+        bw32(bp, B44_SBTMSLOW, val | SBTMSLOW_PE);
+
+        pci_read_config_word(bp->pdev, SSB_PMCSR, &pmval);
+        pci_write_config_word(bp->pdev, SSB_PMCSR, pmval | SSB_PE);
+
+}
+
 static int b44_close(struct net_device *dev)
 {
         struct b44 *bp = netdev_priv(dev);
@@ -1475,6 +1625,11 @@ static int b44_close(struct net_device *dev)
 
         netif_poll_enable(dev);
 
+        if (bp->flags & B44_FLAG_WOL_ENABLE) {
+                b44_init_hw(bp, 0);
+                b44_setup_wol(bp);
+        }
+
         b44_free_consistent(bp);
 
         return 0;
@@ -1620,8 +1775,6 @@ static int b44_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
 {
         struct b44 *bp = netdev_priv(dev);
 
-        if (!netif_running(dev))
-                return -EAGAIN;
         cmd->supported = (SUPPORTED_Autoneg);
         cmd->supported |= (SUPPORTED_100baseT_Half |
                           SUPPORTED_100baseT_Full |
@@ -1649,6 +1802,12 @@ static int b44_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
                 XCVR_INTERNAL : XCVR_EXTERNAL;
         cmd->autoneg = (bp->flags & B44_FLAG_FORCE_LINK) ?
                 AUTONEG_DISABLE : AUTONEG_ENABLE;
+        if (cmd->autoneg == AUTONEG_ENABLE)
+                cmd->advertising |= ADVERTISED_Autoneg;
+        if (!netif_running(dev)){
+                cmd->speed = 0;
+                cmd->duplex = 0xff;
+        }
         cmd->maxtxpkt = 0;
         cmd->maxrxpkt = 0;
         return 0;
@@ -1658,9 +1817,6 @@ static int b44_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
 {
         struct b44 *bp = netdev_priv(dev);
 
-        if (!netif_running(dev))
-                return -EAGAIN;
-
         /* We do not support gigabit. */
         if (cmd->autoneg == AUTONEG_ENABLE) {
                 if (cmd->advertising &
@@ -1677,28 +1833,39 @@ static int b44_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
         spin_lock_irq(&bp->lock);
 
         if (cmd->autoneg == AUTONEG_ENABLE) {
-                bp->flags &= ~B44_FLAG_FORCE_LINK;
-                bp->flags &= ~(B44_FLAG_ADV_10HALF |
+                bp->flags &= ~(B44_FLAG_FORCE_LINK |
+                               B44_FLAG_100_BASE_T |
+                               B44_FLAG_FULL_DUPLEX |
+                               B44_FLAG_ADV_10HALF |
                                B44_FLAG_ADV_10FULL |
                                B44_FLAG_ADV_100HALF |
                                B44_FLAG_ADV_100FULL);
-                if (cmd->advertising & ADVERTISE_10HALF)
-                        bp->flags |= B44_FLAG_ADV_10HALF;
-                if (cmd->advertising & ADVERTISE_10FULL)
-                        bp->flags |= B44_FLAG_ADV_10FULL;
-                if (cmd->advertising & ADVERTISE_100HALF)
-                        bp->flags |= B44_FLAG_ADV_100HALF;
-                if (cmd->advertising & ADVERTISE_100FULL)
-                        bp->flags |= B44_FLAG_ADV_100FULL;
+                if (cmd->advertising == 0) {
+                        bp->flags |= (B44_FLAG_ADV_10HALF |
+                                      B44_FLAG_ADV_10FULL |
+                                      B44_FLAG_ADV_100HALF |
+                                      B44_FLAG_ADV_100FULL);
+                } else {
+                        if (cmd->advertising & ADVERTISED_10baseT_Half)
+                                bp->flags |= B44_FLAG_ADV_10HALF;
+                        if (cmd->advertising & ADVERTISED_10baseT_Full)
+                                bp->flags |= B44_FLAG_ADV_10FULL;
+                        if (cmd->advertising & ADVERTISED_100baseT_Half)
+                                bp->flags |= B44_FLAG_ADV_100HALF;
+                        if (cmd->advertising & ADVERTISED_100baseT_Full)
+                                bp->flags |= B44_FLAG_ADV_100FULL;
+                }
         } else {
                 bp->flags |= B44_FLAG_FORCE_LINK;
+                bp->flags &= ~(B44_FLAG_100_BASE_T | B44_FLAG_FULL_DUPLEX);
                 if (cmd->speed == SPEED_100)
                         bp->flags |= B44_FLAG_100_BASE_T;
                 if (cmd->duplex == DUPLEX_FULL)
                         bp->flags |= B44_FLAG_FULL_DUPLEX;
         }
 
-        b44_setup_phy(bp);
+        if (netif_running(dev))
+                b44_setup_phy(bp);
 
         spin_unlock_irq(&bp->lock);
 
@@ -1734,7 +1901,7 @@ static int b44_set_ringparam(struct net_device *dev,
 
         b44_halt(bp);
         b44_init_rings(bp);
-        b44_init_hw(bp);
+        b44_init_hw(bp, 1);
         netif_wake_queue(bp->dev);
         spin_unlock_irq(&bp->lock);
 
@@ -1777,7 +1944,7 @@ static int b44_set_pauseparam(struct net_device *dev,
         if (bp->flags & B44_FLAG_PAUSE_AUTO) {
                 b44_halt(bp);
                 b44_init_rings(bp);
-                b44_init_hw(bp);
+                b44_init_hw(bp, 1);
         } else {
                 __b44_set_flow_ctrl(bp, bp->flags);
         }
@@ -1819,12 +1986,40 @@ static void b44_get_ethtool_stats(struct net_device *dev,
         spin_unlock_irq(&bp->lock);
 }
 
+static void b44_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
+{
+        struct b44 *bp = netdev_priv(dev);
+
+        wol->supported = WAKE_MAGIC;
+        if (bp->flags & B44_FLAG_WOL_ENABLE)
+                wol->wolopts = WAKE_MAGIC;
+        else
+                wol->wolopts = 0;
+        memset(&wol->sopass, 0, sizeof(wol->sopass));
+}
+
+static int b44_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
+{
+        struct b44 *bp = netdev_priv(dev);
+
+        spin_lock_irq(&bp->lock);
+        if (wol->wolopts & WAKE_MAGIC)
+                bp->flags |= B44_FLAG_WOL_ENABLE;
+        else
+                bp->flags &= ~B44_FLAG_WOL_ENABLE;
+        spin_unlock_irq(&bp->lock);
+
+        return 0;
+}
+
 static struct ethtool_ops b44_ethtool_ops = {
         .get_drvinfo            = b44_get_drvinfo,
         .get_settings           = b44_get_settings,
         .set_settings           = b44_set_settings,
         .nway_reset             = b44_nway_reset,
         .get_link               = ethtool_op_get_link,
+        .get_wol                = b44_get_wol,
+        .set_wol                = b44_set_wol,
         .get_ringparam          = b44_get_ringparam,
         .set_ringparam          = b44_set_ringparam,
         .get_pauseparam         = b44_get_pauseparam,
@@ -1903,6 +2098,10 @@ static int __devinit b44_get_invariants(struct b44 *bp)
         /* XXX - really required?
            bp->flags |= B44_FLAG_BUGGY_TXPTR;
          */
+
+        if (ssb_get_core_rev(bp) >= 7)
+                bp->flags |= B44_FLAG_B0_ANDLATER;
+
 out:
         return err;
 }
@@ -1921,13 +2120,14 @@ static int __devinit b44_init_one(struct pci_dev *pdev,
 
         err = pci_enable_device(pdev);
         if (err) {
-                printk(KERN_ERR PFX "Cannot enable PCI device, "
+                dev_err(&pdev->dev, "Cannot enable PCI device, "
                        "aborting.\n");
                 return err;
         }
 
         if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
-                printk(KERN_ERR PFX "Cannot find proper PCI device "
+                dev_err(&pdev->dev,
+                        "Cannot find proper PCI device "
                        "base address, aborting.\n");
                 err = -ENODEV;
                 goto err_out_disable_pdev;
@@ -1935,8 +2135,8 @@ static int __devinit b44_init_one(struct pci_dev *pdev,
 
         err = pci_request_regions(pdev, DRV_MODULE_NAME);
         if (err) {
-                printk(KERN_ERR PFX "Cannot obtain PCI resources, "
-                       "aborting.\n");
+                dev_err(&pdev->dev,
+                        "Cannot obtain PCI resources, aborting.\n");
                 goto err_out_disable_pdev;
         }
 
@@ -1944,15 +2144,13 @@ static int __devinit b44_init_one(struct pci_dev *pdev,
 
         err = pci_set_dma_mask(pdev, (u64) B44_DMA_MASK);
         if (err) {
-                printk(KERN_ERR PFX "No usable DMA configuration, "
-                       "aborting.\n");
+                dev_err(&pdev->dev, "No usable DMA configuration, 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, "
-                       "aborting.\n");
+                dev_err(&pdev->dev, "No usable DMA configuration, aborting.\n");
                 goto err_out_free_res;
         }
 
@@ -1961,7 +2159,7 @@ static int __devinit b44_init_one(struct pci_dev *pdev,
 
         dev = alloc_etherdev(sizeof(*bp));
         if (!dev) {
-                printk(KERN_ERR PFX "Etherdev alloc failed, aborting.\n");
+                dev_err(&pdev->dev, "Etherdev alloc failed, aborting.\n");
                 err = -ENOMEM;
                 goto err_out_free_res;
         }
@@ -1982,8 +2180,7 @@ static int __devinit b44_init_one(struct pci_dev *pdev,
 
         bp->regs = ioremap(b44reg_base, b44reg_len);
         if (bp->regs == 0UL) {
-                printk(KERN_ERR PFX "Cannot map device registers, "
-                       "aborting.\n");
+                dev_err(&pdev->dev, "Cannot map device registers, aborting.\n");
                 err = -ENOMEM;
                 goto err_out_free_dev;
         }
@@ -2013,8 +2210,8 @@ static int __devinit b44_init_one(struct pci_dev *pdev,
 
         err = b44_get_invariants(bp);
         if (err) {
-                printk(KERN_ERR PFX "Problem fetching invariants of chip, "
-                       "aborting.\n");
+                dev_err(&pdev->dev,
+                        "Problem fetching invariants of chip, aborting.\n");
                 goto err_out_iounmap;
         }
 
@@ -2034,8 +2231,7 @@ static int __devinit b44_init_one(struct pci_dev *pdev,
 
         err = register_netdev(dev);
         if (err) {
-                printk(KERN_ERR PFX "Cannot register net device, "
-                       "aborting.\n");
+                dev_err(&pdev->dev, "Cannot register net device, aborting.\n");
                 goto err_out_iounmap;
         }
 
@@ -2103,6 +2299,10 @@ static int b44_suspend(struct pci_dev *pdev, pm_message_t state)
         spin_unlock_irq(&bp->lock);
 
         free_irq(dev->irq, dev);
+        if (bp->flags & B44_FLAG_WOL_ENABLE) {
+                b44_init_hw(bp, 0);
+                b44_setup_wol(bp);
+        }
         pci_disable_device(pdev);
         return 0;
 }
@@ -2119,13 +2319,13 @@ static int b44_resume(struct pci_dev *pdev)
         if (!netif_running(dev))
                 return 0;
 
-        if (request_irq(dev->irq, b44_interrupt, SA_SHIRQ, dev->name, dev))
+        if (request_irq(dev->irq, b44_interrupt, IRQF_SHARED, dev->name, dev))
                 printk(KERN_ERR PFX "%s: request_irq failed\n", dev->name);
 
         spin_lock_irq(&bp->lock);
 
         b44_init_rings(bp);
-        b44_init_hw(bp);
+        b44_init_hw(bp, 1);
         netif_device_attach(bp->dev);
         spin_unlock_irq(&bp->lock);