1 files changed, 92 insertions, 118 deletions

diff --git a/drivers/net/8139too.c b/drivers/net/8139too.c
index 4a3628755026..f0d23de32967 100644
--- a/drivers/net/8139too.c
+++ b/drivers/net/8139too.c
@@ -89,6 +89,8 @@
 
 */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #define DRV_NAME        "8139too"
 #define DRV_VERSION     "0.9.28"
 
@@ -108,10 +110,10 @@
 #include <linux/crc32.h>
 #include <linux/io.h>
 #include <linux/uaccess.h>
+#include <linux/gfp.h>
 #include <asm/irq.h>
 
 #define RTL8139_DRIVER_NAME   DRV_NAME " Fast Ethernet driver " DRV_VERSION
-#define PFX DRV_NAME ": "
 
 /* Default Message level */
 #define RTL8139_DEF_MSG_ENABLE   (NETIF_MSG_DRV   | \
@@ -130,9 +132,9 @@
 #  define assert(expr) do {} while (0)
 #else
 #  define assert(expr) \
-        if(unlikely(!(expr))) {                                 \
-        pr_err("Assertion failed! %s,%s,%s,line=%d\n",  \
-        #expr, __FILE__, __func__, __LINE__);                   \
+        if (unlikely(!(expr))) {                                \
+                pr_err("Assertion failed! %s,%s,%s,line=%d\n",  \
+                       #expr, __FILE__, __func__, __LINE__);    \
         }
 #endif
 
@@ -231,7 +233,7 @@ static const struct {
 };
 
 
-static struct pci_device_id rtl8139_pci_tbl[] = {
+static DEFINE_PCI_DEVICE_TABLE(rtl8139_pci_tbl) = {
         {0x10ec, 0x8139, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 },
         {0x10ec, 0x8138, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 },
         {0x1113, 0x1211, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 },
@@ -957,7 +959,7 @@ static int __devinit rtl8139_init_one (struct pci_dev *pdev,
             pdev->device == PCI_DEVICE_ID_REALTEK_8139 &&
             pdev->subsystem_vendor == PCI_VENDOR_ID_ATHEROS &&
             pdev->subsystem_device == PCI_DEVICE_ID_REALTEK_8139) {
-                pr_info("8139too: OQO Model 2 detected. Forcing PIO\n");
+                pr_info("OQO Model 2 detected. Forcing PIO\n");
                 use_io = 1;
         }
 
@@ -1010,21 +1012,19 @@ static int __devinit rtl8139_init_one (struct pci_dev *pdev,
         tp->mii.reg_num_mask = 0x1f;
 
         /* dev is fully set up and ready to use now */
-        pr_debug("about to register device named %s (%p)...\n", dev->name, dev);
+        pr_debug("about to register device named %s (%p)...\n",
+                 dev->name, dev);
         i = register_netdev (dev);
         if (i) goto err_out;
 
         pci_set_drvdata (pdev, dev);
 
-        pr_info("%s: %s at 0x%lx, %pM, IRQ %d\n",
-                dev->name,
-                board_info[ent->driver_data].name,
-                dev->base_addr,
-                dev->dev_addr,
-                dev->irq);
+        netdev_info(dev, "%s at 0x%lx, %pM, IRQ %d\n",
+                    board_info[ent->driver_data].name,
+                    dev->base_addr, dev->dev_addr, dev->irq);
 
-        pr_debug("%s:  Identified 8139 chip type '%s'\n",
-                dev->name, rtl_chip_info[tp->chipset].name);
+        netdev_dbg(dev, "Identified 8139 chip type '%s'\n",
+                   rtl_chip_info[tp->chipset].name);
 
         /* Find the connected MII xcvrs.
            Doing this in open() would allow detecting external xcvrs later, but
@@ -1037,13 +1037,12 @@ static int __devinit rtl8139_init_one (struct pci_dev *pdev,
                         if (mii_status != 0xffff  &&  mii_status != 0x0000) {
                                 u16 advertising = mdio_read(dev, phy, 4);
                                 tp->phys[phy_idx++] = phy;
-                                pr_info("%s: MII transceiver %d status 0x%4.4x advertising %4.4x.\n",
-                                           dev->name, phy, mii_status, advertising);
+                                netdev_info(dev, "MII transceiver %d status 0x%04x advertising %04x\n",
+                                            phy, mii_status, advertising);
                         }
                 }
                 if (phy_idx == 0) {
-                        pr_info("%s: No MII transceivers found! Assuming SYM transceiver.\n",
-                                   dev->name);
+                        netdev_info(dev, "No MII transceivers found! Assuming SYM transceiver\n");
                         tp->phys[0] = 32;
                 }
         } else
@@ -1062,15 +1061,15 @@ static int __devinit rtl8139_init_one (struct pci_dev *pdev,
         if (board_idx < MAX_UNITS  &&  full_duplex[board_idx] > 0)
                 tp->mii.full_duplex = full_duplex[board_idx];
         if (tp->mii.full_duplex) {
-                pr_info("%s: Media type forced to Full Duplex.\n", dev->name);
+                netdev_info(dev, "Media type forced to Full Duplex\n");
                 /* Changing the MII-advertised media because might prevent
                    re-connection. */
                 tp->mii.force_media = 1;
         }
         if (tp->default_port) {
-                pr_info("  Forcing %dMbps %s-duplex operation.\n",
-                           (option & 0x20 ? 100 : 10),
-                           (option & 0x10 ? "full" : "half"));
+                netdev_info(dev, "  Forcing %dMbps %s-duplex operation\n",
+                            (option & 0x20 ? 100 : 10),
+                            (option & 0x10 ? "full" : "half"));
                 mdio_write(dev, tp->phys[0], 0,
                                    ((option & 0x20) ? 0x2000 : 0) |     /* 100Mbps? */
                                    ((option & 0x10) ? 0x0100 : 0)); /* Full duplex? */
@@ -1330,12 +1329,12 @@ static int rtl8139_open (struct net_device *dev)
         rtl8139_hw_start (dev);
         netif_start_queue (dev);
 
-        if (netif_msg_ifup(tp))
-                pr_debug("%s: rtl8139_open() ioaddr %#llx IRQ %d"
-                        " GP Pins %2.2x %s-duplex.\n", dev->name,
-                        (unsigned long long)pci_resource_start (tp->pci_dev, 1),
-                        dev->irq, RTL_R8 (MediaStatus),
-                        tp->mii.full_duplex ? "full" : "half");
+        netif_dbg(tp, ifup, dev,
+                  "%s() ioaddr %#llx IRQ %d GP Pins %02x %s-duplex\n",
+                  __func__,
+                  (unsigned long long)pci_resource_start (tp->pci_dev, 1),
+                  dev->irq, RTL_R8 (MediaStatus),
+                  tp->mii.full_duplex ? "full" : "half");
 
         rtl8139_start_thread(tp);
 
@@ -1393,7 +1392,7 @@ static void rtl8139_hw_start (struct net_device *dev)
                 RTL_W8 (Config3, RTL_R8 (Config3) & ~Cfg3_Magic);
         }
 
-        pr_debug("init buffer addresses\n");
+        netdev_dbg(dev, "init buffer addresses\n");
 
         /* Lock Config[01234] and BMCR register writes */
         RTL_W8 (Cfg9346, Cfg9346_Lock);
@@ -1549,20 +1548,17 @@ static inline void rtl8139_thread_iter (struct net_device *dev,
         mii_lpa = mdio_read (dev, tp->phys[0], MII_LPA);
 
         if (!tp->mii.force_media && mii_lpa != 0xffff) {
-                int duplex = (mii_lpa & LPA_100FULL)
-                    || (mii_lpa & 0x01C0) == 0x0040;
+                int duplex = ((mii_lpa & LPA_100FULL) ||
+                              (mii_lpa & 0x01C0) == 0x0040);
                 if (tp->mii.full_duplex != duplex) {
                         tp->mii.full_duplex = duplex;
 
                         if (mii_lpa) {
-                                pr_info("%s: Setting %s-duplex based on MII #%d link"
-                                        " partner ability of %4.4x.\n",
-                                        dev->name,
-                                        tp->mii.full_duplex ? "full" : "half",
-                                        tp->phys[0], mii_lpa);
+                                netdev_info(dev, "Setting %s-duplex based on MII #%d link partner ability of %04x\n",
+                                            tp->mii.full_duplex ? "full" : "half",
+                                            tp->phys[0], mii_lpa);
                         } else {
-                                pr_info("%s: media is unconnected, link down, or incompatible connection\n",
-                                       dev->name);
+                                netdev_info(dev, "media is unconnected, link down, or incompatible connection\n");
                         }
 #if 0
                         RTL_W8 (Cfg9346, Cfg9346_Unlock);
@@ -1576,13 +1572,12 @@ static inline void rtl8139_thread_iter (struct net_device *dev,
 
         rtl8139_tune_twister (dev, tp);
 
-        pr_debug("%s: Media selection tick, Link partner %4.4x.\n",
-                 dev->name, RTL_R16 (NWayLPAR));
-        pr_debug("%s:  Other registers are IntMask %4.4x IntStatus %4.4x\n",
-                 dev->name, RTL_R16 (IntrMask), RTL_R16 (IntrStatus));
-        pr_debug("%s:  Chip config %2.2x %2.2x.\n",
-                 dev->name, RTL_R8 (Config0),
-                 RTL_R8 (Config1));
+        netdev_dbg(dev, "Media selection tick, Link partner %04x\n",
+                   RTL_R16(NWayLPAR));
+        netdev_dbg(dev, "Other registers are IntMask %04x IntStatus %04x\n",
+                   RTL_R16(IntrMask), RTL_R16(IntrStatus));
+        netdev_dbg(dev, "Chip config %02x %02x\n",
+                   RTL_R8(Config0), RTL_R8(Config1));
 }
 
 static void rtl8139_thread (struct work_struct *work)
@@ -1640,17 +1635,17 @@ static void rtl8139_tx_timeout_task (struct work_struct *work)
         int i;
         u8 tmp8;
 
-        pr_debug("%s: Transmit timeout, status %2.2x %4.4x %4.4x media %2.2x.\n",
-                dev->name, RTL_R8 (ChipCmd),
-                RTL_R16(IntrStatus), RTL_R16(IntrMask), RTL_R8(MediaStatus));
+        netdev_dbg(dev, "Transmit timeout, status %02x %04x %04x media %02x\n",
+                   RTL_R8(ChipCmd), RTL_R16(IntrStatus),
+                   RTL_R16(IntrMask), RTL_R8(MediaStatus));
         /* Emit info to figure out what went wrong. */
-        pr_debug("%s: Tx queue start entry %ld  dirty entry %ld.\n",
-                dev->name, tp->cur_tx, tp->dirty_tx);
+        netdev_dbg(dev, "Tx queue start entry %ld  dirty entry %ld\n",
+                   tp->cur_tx, tp->dirty_tx);
         for (i = 0; i < NUM_TX_DESC; i++)
-                pr_debug("%s:  Tx descriptor %d is %8.8lx.%s\n",
-                        dev->name, i, RTL_R32 (TxStatus0 + (i * 4)),
-                        i == tp->dirty_tx % NUM_TX_DESC ?
-                                " (queue head)" : "");
+                netdev_dbg(dev, "Tx descriptor %d is %08lx%s\n",
+                           i, RTL_R32(TxStatus0 + (i * 4)),
+                           i == tp->dirty_tx % NUM_TX_DESC ?
+                           " (queue head)" : "");
 
         tp->xstats.tx_timeouts++;
 
@@ -1729,9 +1724,8 @@ static netdev_tx_t rtl8139_start_xmit (struct sk_buff *skb,
                 netif_stop_queue (dev);
         spin_unlock_irqrestore(&tp->lock, flags);
 
-        if (netif_msg_tx_queued(tp))
-                pr_debug("%s: Queued Tx packet size %u to slot %d.\n",
-                        dev->name, len, entry);
+        netif_dbg(tp, tx_queued, dev, "Queued Tx packet size %u to slot %d\n",
+                  len, entry);
 
         return NETDEV_TX_OK;
 }
@@ -1760,9 +1754,8 @@ static void rtl8139_tx_interrupt (struct net_device *dev,
                 /* Note: TxCarrierLost is always asserted at 100mbps. */
                 if (txstatus & (TxOutOfWindow | TxAborted)) {
                         /* There was an major error, log it. */
-                        if (netif_msg_tx_err(tp))
-                                pr_debug("%s: Transmit error, Tx status %8.8x.\n",
-                                        dev->name, txstatus);
+                        netif_dbg(tp, tx_err, dev, "Transmit error, Tx status %08x\n",
+                                  txstatus);
                         dev->stats.tx_errors++;
                         if (txstatus & TxAborted) {
                                 dev->stats.tx_aborted_errors++;
@@ -1792,8 +1785,8 @@ static void rtl8139_tx_interrupt (struct net_device *dev,
 
 #ifndef RTL8139_NDEBUG
         if (tp->cur_tx - dirty_tx > NUM_TX_DESC) {
-                pr_err("%s: Out-of-sync dirty pointer, %ld vs. %ld.\n",
-                        dev->name, dirty_tx, tp->cur_tx);
+                netdev_err(dev, "Out-of-sync dirty pointer, %ld vs. %ld\n",
+                           dirty_tx, tp->cur_tx);
                 dirty_tx += NUM_TX_DESC;
         }
 #endif /* RTL8139_NDEBUG */
@@ -1816,14 +1809,13 @@ static void rtl8139_rx_err (u32 rx_status, struct net_device *dev,
         int tmp_work;
 #endif
 
-        if (netif_msg_rx_err (tp))
-                pr_debug("%s: Ethernet frame had errors, status %8.8x.\n",
-                        dev->name, rx_status);
+        netif_dbg(tp, rx_err, dev, "Ethernet frame had errors, status %08x\n",
+                  rx_status);
         dev->stats.rx_errors++;
         if (!(rx_status & RxStatusOK)) {
                 if (rx_status & RxTooLong) {
-                        pr_debug("%s: Oversized Ethernet frame, status %4.4x!\n",
-                                dev->name, rx_status);
+                        netdev_dbg(dev, "Oversized Ethernet frame, status %04x!\n",
+                                   rx_status);
                         /* A.C.: The chip hangs here. */
                 }
                 if (rx_status & (RxBadSymbol | RxBadAlign))
@@ -1855,7 +1847,7 @@ static void rtl8139_rx_err (u32 rx_status, struct net_device *dev,
                         break;
         }
         if (tmp_work <= 0)
-                pr_warning(PFX "rx stop wait too long\n");
+                netdev_warn(dev, "rx stop wait too long\n");
         /* restart receive */
         tmp_work = 200;
         while (--tmp_work > 0) {
@@ -1866,7 +1858,7 @@ static void rtl8139_rx_err (u32 rx_status, struct net_device *dev,
                         break;
         }
         if (tmp_work <= 0)
-                pr_warning(PFX "tx/rx enable wait too long\n");
+                netdev_warn(dev, "tx/rx enable wait too long\n");
 
         /* and reinitialize all rx related registers */
         RTL_W8_F (Cfg9346, Cfg9346_Unlock);
@@ -1877,7 +1869,7 @@ static void rtl8139_rx_err (u32 rx_status, struct net_device *dev,
         RTL_W32 (RxConfig, tp->rx_config);
         tp->cur_rx = 0;
 
-        pr_debug("init buffer addresses\n");
+        netdev_dbg(dev, "init buffer addresses\n");
 
         /* Lock Config[01234] and BMCR register writes */
         RTL_W8 (Cfg9346, Cfg9346_Lock);
@@ -1931,13 +1923,12 @@ static int rtl8139_rx(struct net_device *dev, struct rtl8139_private *tp,
         unsigned int cur_rx = tp->cur_rx;
         unsigned int rx_size = 0;
 
-        pr_debug("%s: In rtl8139_rx(), current %4.4x BufAddr %4.4x,"
-                 " free to %4.4x, Cmd %2.2x.\n", dev->name, (u16)cur_rx,
-                 RTL_R16 (RxBufAddr),
-                 RTL_R16 (RxBufPtr), RTL_R8 (ChipCmd));
+        netdev_dbg(dev, "In %s(), current %04x BufAddr %04x, free to %04x, Cmd %02x\n",
+                   __func__, (u16)cur_rx,
+                   RTL_R16(RxBufAddr), RTL_R16(RxBufPtr), RTL_R8(ChipCmd));
 
-        while (netif_running(dev) && received < budget
-               && (RTL_R8 (ChipCmd) & RxBufEmpty) == 0) {
+        while (netif_running(dev) && received < budget &&
+               (RTL_R8 (ChipCmd) & RxBufEmpty) == 0) {
                 u32 ring_offset = cur_rx % RX_BUF_LEN;
                 u32 rx_status;
                 unsigned int pkt_size;
@@ -1950,19 +1941,12 @@ static int rtl8139_rx(struct net_device *dev, struct rtl8139_private *tp,
                 rx_size = rx_status >> 16;
                 pkt_size = rx_size - 4;
 
-                if (netif_msg_rx_status(tp))
-                        pr_debug("%s:  rtl8139_rx() status %4.4x, size %4.4x,"
-                                " cur %4.4x.\n", dev->name, rx_status,
-                         rx_size, cur_rx);
+                netif_dbg(tp, rx_status, dev, "%s() status %04x, size %04x, cur %04x\n",
+                          __func__, rx_status, rx_size, cur_rx);
 #if RTL8139_DEBUG > 2
-                {
-                        int i;
-                        pr_debug("%s: Frame contents ", dev->name);
-                        for (i = 0; i < 70; i++)
-                                pr_cont(" %2.2x",
-                                        rx_ring[ring_offset + i]);
-                        pr_cont(".\n");
-                }
+                print_hex_dump(KERN_DEBUG, "Frame contents: ",
+                               DUMP_PREFIX_OFFSET, 16, 1,
+                               &rx_ring[ring_offset], 70, true);
 #endif
 
                 /* Packet copy from FIFO still in progress.
@@ -1973,14 +1957,11 @@ static int rtl8139_rx(struct net_device *dev, struct rtl8139_private *tp,
                         if (!tp->fifo_copy_timeout)
                                 tp->fifo_copy_timeout = jiffies + 2;
                         else if (time_after(jiffies, tp->fifo_copy_timeout)) {
-                                pr_debug("%s: hung FIFO. Reset.", dev->name);
+                                netdev_dbg(dev, "hung FIFO. Reset\n");
                                 rx_size = 0;
                                 goto no_early_rx;
                         }
-                        if (netif_msg_intr(tp)) {
-                                pr_debug("%s: fifo copy in progress.",
-                                       dev->name);
-                        }
+                        netif_dbg(tp, intr, dev, "fifo copy in progress\n");
                         tp->xstats.early_rx++;
                         break;
                 }
@@ -2004,9 +1985,8 @@ no_early_rx:
                 /* Malloc up new buffer, compatible with net-2e. */
                 /* Omit the four octet CRC from the length. */
 
-                skb = netdev_alloc_skb(dev, pkt_size + NET_IP_ALIGN);
+                skb = netdev_alloc_skb_ip_align(dev, pkt_size);
                 if (likely(skb)) {
-                        skb_reserve (skb, NET_IP_ALIGN);        /* 16 byte align the IP fields. */
 #if RX_BUF_IDX == 3
                         wrap_copy(skb, rx_ring, ring_offset+4, pkt_size);
 #else
@@ -2022,8 +2002,7 @@ no_early_rx:
                         netif_receive_skb (skb);
                 } else {
                         if (net_ratelimit())
-                                pr_warning("%s: Memory squeeze, dropping packet.\n",
-                                        dev->name);
+                                netdev_warn(dev, "Memory squeeze, dropping packet\n");
                         dev->stats.rx_dropped++;
                 }
                 received++;
@@ -2037,10 +2016,9 @@ no_early_rx:
         if (unlikely(!received || rx_size == 0xfff0))
                 rtl8139_isr_ack(tp);
 
-        pr_debug("%s: Done rtl8139_rx(), current %4.4x BufAddr %4.4x,"
-                 " free to %4.4x, Cmd %2.2x.\n", dev->name, cur_rx,
-                 RTL_R16 (RxBufAddr),
-                 RTL_R16 (RxBufPtr), RTL_R8 (ChipCmd));
+        netdev_dbg(dev, "Done %s(), current %04x BufAddr %04x, free to %04x, Cmd %02x\n",
+                   __func__, cur_rx,
+                   RTL_R16(RxBufAddr), RTL_R16(RxBufPtr), RTL_R8(ChipCmd));
 
         tp->cur_rx = cur_rx;
 
@@ -2061,8 +2039,7 @@ static void rtl8139_weird_interrupt (struct net_device *dev,
                                      void __iomem *ioaddr,
                                      int status, int link_changed)
 {
-        pr_debug("%s: Abnormal interrupt, status %8.8x.\n",
-                 dev->name, status);
+        netdev_dbg(dev, "Abnormal interrupt, status %08x\n", status);
 
         assert (dev != NULL);
         assert (tp != NULL);
@@ -2090,8 +2067,7 @@ static void rtl8139_weird_interrupt (struct net_device *dev,
                 pci_read_config_word (tp->pci_dev, PCI_STATUS, &pci_cmd_status);
                 pci_write_config_word (tp->pci_dev, PCI_STATUS, pci_cmd_status);
 
-                pr_err("%s: PCI Bus error %4.4x.\n",
-                        dev->name, pci_cmd_status);
+                netdev_err(dev, "PCI Bus error %04x\n", pci_cmd_status);
         }
 }
 
@@ -2184,8 +2160,8 @@ static irqreturn_t rtl8139_interrupt (int irq, void *dev_instance)
  out:
         spin_unlock (&tp->lock);
 
-        pr_debug("%s: exiting interrupt, intr_status=%#4.4x.\n",
-                 dev->name, RTL_R16 (IntrStatus));
+        netdev_dbg(dev, "exiting interrupt, intr_status=%#4.4x\n",
+                   RTL_R16(IntrStatus));
         return IRQ_RETVAL(handled);
 }
 
@@ -2234,9 +2210,8 @@ static int rtl8139_close (struct net_device *dev)
         netif_stop_queue(dev);
         napi_disable(&tp->napi);
 
-        if (netif_msg_ifdown(tp))
-                pr_debug("%s: Shutting down ethercard, status was 0x%4.4x.\n",
-                        dev->name, RTL_R16 (IntrStatus));
+        netif_dbg(tp, ifdown, dev, "Shutting down ethercard, status was 0x%04x\n",
+                  RTL_R16(IntrStatus));
 
         spin_lock_irqsave (&tp->lock, flags);
 
@@ -2510,11 +2485,11 @@ static void __set_rx_mode (struct net_device *dev)
         struct rtl8139_private *tp = netdev_priv(dev);
         void __iomem *ioaddr = tp->mmio_addr;
         u32 mc_filter[2];       /* Multicast hash filter */
-        int i, rx_mode;
+        int rx_mode;
         u32 tmp;
 
-        pr_debug("%s:   rtl8139_set_rx_mode(%4.4x) done -- Rx config %8.8lx.\n",
-                        dev->name, dev->flags, RTL_R32 (RxConfig));
+        netdev_dbg(dev, "rtl8139_set_rx_mode(%04x) done -- Rx config %08lx\n",
+                   dev->flags, RTL_R32(RxConfig));
 
         /* Note: do not reorder, GCC is clever about common statements. */
         if (dev->flags & IFF_PROMISC) {
@@ -2522,8 +2497,8 @@ static void __set_rx_mode (struct net_device *dev)
                     AcceptBroadcast | AcceptMulticast | AcceptMyPhys |
                     AcceptAllPhys;
                 mc_filter[1] = mc_filter[0] = 0xffffffff;
-        } else if ((dev->mc_count > multicast_filter_limit)
-                   || (dev->flags & IFF_ALLMULTI)) {
+        } else if ((netdev_mc_count(dev) > multicast_filter_limit) ||
+                   (dev->flags & IFF_ALLMULTI)) {
                 /* Too many to filter perfectly -- accept all multicasts. */
                 rx_mode = AcceptBroadcast | AcceptMulticast | AcceptMyPhys;
                 mc_filter[1] = mc_filter[0] = 0xffffffff;
@@ -2531,8 +2506,7 @@ static void __set_rx_mode (struct net_device *dev)
                 struct dev_mc_list *mclist;
                 rx_mode = AcceptBroadcast | AcceptMyPhys;
                 mc_filter[1] = mc_filter[0] = 0;
-                for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
-                     i++, mclist = mclist->next) {
+                netdev_for_each_mc_addr(mclist, dev) {
                         int bit_nr = ether_crc(ETH_ALEN, mclist->dmi_addr) >> 26;
 
                         mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 31);