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net: convert multiple drivers to use netdev_for_each_mc_addr, part5 V2 

removed some needless checks and also corrected bug in lp486e (dmi was passed
instead of dmi->dmi_addr)

Signed-off-by: Jiri Pirko <jpirko@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
hifive-unleashed-5.1
Jiri Pirko 2010-02-23 09:19:49 +00:00 committed by David S. Miller
parent 52c793f240
commit f9dcbcc9e3
27 changed files with 82 additions and 105 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/net/jme.c
View File

@ -1997,7 +1997,6 @@ jme_set_multi(struct net_device *netdev)
{
struct jme_adapter *jme = netdev_priv(netdev);
u32 mc_hash[2] = {};
int i;
spin_lock_bh(&jme->rxmcs_lock);
@ -2012,10 +2011,7 @@ jme_set_multi(struct net_device *netdev)
int bit_nr;
jme->reg_rxmcs |= RXMCS_MULFRAME | RXMCS_MULFILTERED;
for (i = 0, mclist = netdev->mc_list;
mclist && i < netdev_mc_count(netdev);
++i, mclist = mclist->next) {
netdev_for_each_mc_addr(mclist, netdev) {
bit_nr = ether_crc(ETH_ALEN, mclist->dmi_addr) & 0x3F;
mc_hash[bit_nr >> 5] |= 1 << (bit_nr & 0x1F);
}

6
drivers/net/korina.c
View File

@ -482,7 +482,7 @@ static void korina_multicast_list(struct net_device *dev)
{
struct korina_private *lp = netdev_priv(dev);
unsigned long flags;
struct dev_mc_list *dmi = dev->mc_list;
struct dev_mc_list *dmi;
u32 recognise = ETH_ARC_AB; /* always accept broadcasts */
int i;
@ -502,11 +502,9 @@ static void korina_multicast_list(struct net_device *dev)
for (i = 0; i < 4; i++)
hash_table[i] = 0;
for (i = 0; i < netdev_mc_count(dev); i++) {
netdev_for_each_mc_addr(dmi, dev) {
char *addrs = dmi->dmi_addr;
dmi = dmi->next;
if (!(*addrs & 1))
continue;

5
drivers/net/ks8851.c
View File

@ -966,13 +966,12 @@ static void ks8851_set_rx_mode(struct net_device *dev)
rxctrl.rxcr1 = (RXCR1_RXME | RXCR1_RXAE |
RXCR1_RXPAFMA | RXCR1_RXMAFMA);
} else if (dev->flags & IFF_MULTICAST && !netdev_mc_empty(dev)) {
struct dev_mc_list *mcptr = dev->mc_list;
struct dev_mc_list *mcptr;
u32 crc;
int i;
/* accept some multicast */
for (i = netdev_mc_count(dev); i > 0; i--) {
netdev_for_each_mc_addr(mcptr, dev) {
crc = ether_crc(ETH_ALEN, mcptr->dmi_addr);
crc >>= (32 - 6); /* get top six bits */

3
drivers/net/ks8851_mll.c
View File

@ -1196,7 +1196,8 @@ static void ks_set_rx_mode(struct net_device *netdev)
if ((netdev->flags & IFF_MULTICAST) && netdev_mc_count(netdev)) {
if (netdev_mc_count(netdev) <= MAX_MCAST_LST) {
int i = 0;
for (ptr = netdev->mc_list; ptr; ptr = ptr->next) {
netdev_for_each_mc_addr(ptr, netdev) {
if (!(*ptr->dmi_addr & 1))
continue;
if (i >= MAX_MCAST_LST)

4
drivers/net/ksz884x.c
View File

@ -5777,7 +5777,7 @@ static void netdev_set_rx_mode(struct net_device *dev)
if (hw_priv->hw.dev_count > 1)
return;
if ((dev->flags & IFF_MULTICAST) && dev->mc_count) {
if ((dev->flags & IFF_MULTICAST) && !netdev_mc_empty(dev)) {
int i = 0;
/* List too big to support so turn on all multicast mode. */
@ -5790,7 +5790,7 @@ static void netdev_set_rx_mode(struct net_device *dev)
return;
}
for (mc_ptr = dev->mc_list; mc_ptr; mc_ptr = mc_ptr->next) {
netdev_for_each_mc_addr(mc_ptr, dev) {
if (!(*mc_ptr->dmi_addr & 1))
continue;
if (i >= MAX_MULTICAST_LIST)

7
drivers/net/lib82596.c
View File

@ -1396,15 +1396,16 @@ static void set_multicast_list(struct net_device *dev)
cmd->cmd.command = SWAP16(CmdMulticastList);
cmd->mc_cnt = SWAP16(netdev_mc_count(dev) * 6);
cp = cmd->mc_addrs;
for (dmi = dev->mc_list;
cnt && dmi != NULL;
dmi = dmi->next, cnt--, cp += 6) {
netdev_for_each_mc_addr(dmi, dev) {
if (!cnt--)
break;
memcpy(cp, dmi->dmi_addr, 6);
if (i596_debug > 1)
DEB(DEB_MULTI,
printk(KERN_DEBUG
"%s: Adding address %pM\n",
dev->name, cp));
cp += 6;
}
DMA_WBACK_INV(dev, &dma->mc_cmd, sizeof(struct mc_cmd));
i596_add_cmd(dev, &cmd->cmd);

15
drivers/net/lib8390.c
View File

@ -907,15 +907,8 @@ static inline void make_mc_bits(u8 *bits, struct net_device *dev)
{
struct dev_mc_list *dmi;
for (dmi=dev->mc_list; dmi; dmi=dmi->next)
{
u32 crc;
if (dmi->dmi_addrlen != ETH_ALEN)
{
printk(KERN_INFO "%s: invalid multicast address length given.\n", dev->name);
continue;
}
crc = ether_crc(ETH_ALEN, dmi->dmi_addr);
netdev_for_each_mc_addr(dmi, dev) {
u32 crc = ether_crc(ETH_ALEN, dmi->dmi_addr);
/*
* The 8390 uses the 6 most significant bits of the
* CRC to index the multicast table.
@ -941,7 +934,7 @@ static void do_set_multicast_list(struct net_device *dev)
if (!(dev->flags&(IFF_PROMISC|IFF_ALLMULTI)))
{
memset(ei_local->mcfilter, 0, 8);
if (dev->mc_list)
if (!netdev_mc_empty(dev))
make_mc_bits(ei_local->mcfilter, dev);
}
else
@ -975,7 +968,7 @@ static void do_set_multicast_list(struct net_device *dev)
if(dev->flags&IFF_PROMISC)
ei_outb_p(E8390_RXCONFIG | 0x18, e8390_base + EN0_RXCR);
else if(dev->flags&IFF_ALLMULTI || dev->mc_list)
else if (dev->flags & IFF_ALLMULTI || !netdev_mc_empty(dev))
ei_outb_p(E8390_RXCONFIG | 0x08, e8390_base + EN0_RXCR);
else
ei_outb_p(E8390_RXCONFIG, e8390_base + EN0_RXCR);

7
drivers/net/ll_temac_main.c
View File

@ -250,9 +250,10 @@ static void temac_set_multicast_list(struct net_device *ndev)
temac_indirect_out32(lp, XTE_AFM_OFFSET, XTE_AFM_EPPRM_MASK);
dev_info(&ndev->dev, "Promiscuous mode enabled.\n");
} else if (!netdev_mc_empty(ndev)) {
struct dev_mc_list *mclist = ndev->mc_list;
for (i = 0; mclist && i < netdev_mc_count(ndev); i++) {
struct dev_mc_list *mclist;
i = 0;
netdev_for_each_mc_addr(mclist, ndev) {
if (i >= MULTICAST_CAM_TABLE_NUM)
break;
multi_addr_msw = ((mclist->dmi_addr[3] << 24) |
@ -265,7 +266,7 @@ static void temac_set_multicast_list(struct net_device *ndev)
(mclist->dmi_addr[4]) | (i << 16));
temac_indirect_out32(lp, XTE_MAW1_OFFSET,
multi_addr_lsw);
mclist = mclist->next;
i++;
}
} else {
val = temac_indirect_in32(lp, XTE_AFM_OFFSET);

4
drivers/net/lp486e.c
View File

@ -1267,8 +1267,8 @@ static void set_multicast_list(struct net_device *dev) {
cmd->command = CmdMulticastList;
*((unsigned short *) (cmd + 1)) = netdev_mc_count(dev) * 6;
cp = ((char *)(cmd + 1))+2;
for (dmi = dev->mc_list; dmi != NULL; dmi = dmi->next) {
memcpy(cp, dmi,6);
netdev_for_each_mc_addr(dmi, dev) {
memcpy(cp, dmi->dmi_addr, 6);
cp += 6;
}
if (i596_debug & LOG_SRCDST)

4
drivers/net/mac89x0.c
View File

@ -568,9 +568,7 @@ static void set_multicast_list(struct net_device *dev)
if(dev->flags&IFF_PROMISC)
{
lp->rx_mode = RX_ALL_ACCEPT;
}
else if((dev->flags&IFF_ALLMULTI)||dev->mc_list)
{
} else if ((dev->flags & IFF_ALLMULTI) || !netdev_mc_empty(dev)) {
/* The multicast-accept list is initialized to accept-all, and we
rely on higher-level filtering for now. */
lp->rx_mode = RX_MULTCAST_ACCEPT;

7
drivers/net/macb.c
View File

@ -884,15 +884,12 @@ static void macb_sethashtable(struct net_device *dev)
{
struct dev_mc_list *curr;
unsigned long mc_filter[2];
unsigned int i, bitnr;
unsigned int bitnr;
struct macb *bp = netdev_priv(dev);
mc_filter[0] = mc_filter[1] = 0;
curr = dev->mc_list;
for (i = 0; i < netdev_mc_count(dev); i++, curr = curr->next) {
if (!curr) break; /* unexpected end of list */
netdev_for_each_mc_addr(curr, dev) {
bitnr = hash_get_index(curr->dmi_addr);
mc_filter[bitnr >> 5] |= 1 << (bitnr & 31);
}

11
drivers/net/mace.c
View File

@ -588,7 +588,7 @@ static void mace_set_multicast(struct net_device *dev)
{
struct mace_data *mp = netdev_priv(dev);
volatile struct mace __iomem *mb = mp->mace;
int i, j;
int i;
u32 crc;
unsigned long flags;
@ -598,7 +598,7 @@ static void mace_set_multicast(struct net_device *dev)
mp->maccc |= PROM;
} else {
unsigned char multicast_filter[8];
struct dev_mc_list *dmi = dev->mc_list;
struct dev_mc_list *dmi;
if (dev->flags & IFF_ALLMULTI) {
for (i = 0; i < 8; i++)
@ -606,11 +606,10 @@ static void mace_set_multicast(struct net_device *dev)
} else {
for (i = 0; i < 8; i++)
multicast_filter[i] = 0;
for (i = 0; i < netdev_mc_count(dev); i++) {
netdev_for_each_mc_addr(dmi, dev) {
crc = ether_crc_le(6, dmi->dmi_addr);
j = crc >> 26; /* bit number in multicast_filter */
multicast_filter[j >> 3] |= 1 << (j & 7);
dmi = dmi->next;
i = crc >> 26; /* bit number in multicast_filter */
multicast_filter[i >> 3] |= 1 << (i & 7);
}
}
#if 0

12
drivers/net/macmace.c
View File

@ -496,7 +496,7 @@ static void mace_set_multicast(struct net_device *dev)
{
struct mace_data *mp = netdev_priv(dev);
volatile struct mace *mb = mp->mace;
int i, j;
int i;
u32 crc;
u8 maccc;
unsigned long flags;
@ -509,7 +509,7 @@ static void mace_set_multicast(struct net_device *dev)
mb->maccc |= PROM;
} else {
unsigned char multicast_filter[8];
struct dev_mc_list *dmi = dev->mc_list;
struct dev_mc_list *dmi;
if (dev->flags & IFF_ALLMULTI) {
for (i = 0; i < 8; i++) {
@ -518,11 +518,11 @@ static void mace_set_multicast(struct net_device *dev)
} else {
for (i = 0; i < 8; i++)
multicast_filter[i] = 0;
for (i = 0; i < netdev_mc_count(dev); i++) {
netdev_for_each_mc_addr(dmi, dev) {
crc = ether_crc_le(6, dmi->dmi_addr);
j = crc >> 26; /* bit number in multicast_filter */
multicast_filter[j >> 3] |= 1 << (j & 7);
dmi = dmi->next;
/* bit number in multicast_filter */
i = crc >> 26;
multicast_filter[i >> 3] |= 1 << (i & 7);
}
}

2
drivers/net/mv643xx_eth.c
View File

@ -1794,7 +1794,7 @@ oom:
memset(mc_spec, 0, 0x100);
memset(mc_other, 0, 0x100);
for (addr = dev->mc_list; addr != NULL; addr = addr->next) {
netdev_for_each_mc_addr(addr, dev) {
u8 *a = addr->da_addr;
u32 *table;
int entry;

2
drivers/net/myri10ge/myri10ge.c
View File

@ -3035,7 +3035,7 @@ static void myri10ge_set_multicast_list(struct net_device *dev)
}
/* Walk the multicast list, and add each address */
for (mc_list = dev->mc_list; mc_list != NULL; mc_list = mc_list->next) {
netdev_for_each_mc_addr(mc_list, dev) {
memcpy(data, &mc_list->dmi_addr, 6);
cmd.data0 = ntohl(data[0]);
cmd.data1 = ntohl(data[1]);

4
drivers/net/natsemi.c
View File

@ -2495,9 +2495,9 @@ static void __set_rx_mode(struct net_device *dev)
} else {
struct dev_mc_list *mclist;
int i;
memset(mc_filter, 0, sizeof(mc_filter));
for (i = 0, mclist = dev->mc_list; mclist && i < netdev_mc_count(dev);
i++, mclist = mclist->next) {
netdev_for_each_mc_addr(mclist, dev) {
int b = (ether_crc(ETH_ALEN, mclist->dmi_addr) >> 23) & 0x1ff;
mc_filter[b/8] |= (1 << (b & 0x07));
}

19
drivers/net/netxen/netxen_nic_hw.c
View File

@ -539,7 +539,7 @@ void netxen_p2_nic_set_multi(struct net_device *netdev)
struct netxen_adapter *adapter = netdev_priv(netdev);
struct dev_mc_list *mc_ptr;
u8 null_addr[6];
int index = 0;
int i;
memset(null_addr, 0, 6);
@ -570,16 +570,13 @@ void netxen_p2_nic_set_multi(struct net_device *netdev)
netxen_nic_enable_mcast_filter(adapter);
for (mc_ptr = netdev->mc_list; mc_ptr; mc_ptr = mc_ptr->next, index++)
netxen_nic_set_mcast_addr(adapter, index, mc_ptr->dmi_addr);
if (index != netdev_mc_count(netdev))
printk(KERN_WARNING "%s: %s multicast address count mismatch\n",
netxen_nic_driver_name, netdev->name);
i = 0;
netdev_for_each_mc_addr(mc_ptr, netdev)
netxen_nic_set_mcast_addr(adapter, i++, mc_ptr->dmi_addr);
/* Clear out remaining addresses */
for (; index < adapter->max_mc_count; index++)
netxen_nic_set_mcast_addr(adapter, index, null_addr);
while (i < adapter->max_mc_count)
netxen_nic_set_mcast_addr(adapter, i++, null_addr);
}
static int
@ -710,10 +707,8 @@ void netxen_p3_nic_set_multi(struct net_device *netdev)
}
if (!netdev_mc_empty(netdev)) {
for (mc_ptr = netdev->mc_list; mc_ptr;
mc_ptr = mc_ptr->next) {
netdev_for_each_mc_addr(mc_ptr, netdev)
nx_p3_nic_add_mac(adapter, mc_ptr->dmi_addr, &del_list);
}
}
send_fw_cmd:

3
drivers/net/ni5010.c
View File

@ -651,7 +651,8 @@ static void ni5010_set_multicast_list(struct net_device *dev)
PRINTK2((KERN_DEBUG "%s: entering set_multicast_list\n", dev->name));
if (dev->flags&IFF_PROMISC || dev->flags&IFF_ALLMULTI || dev->mc_list) {
if (dev->flags & IFF_PROMISC || dev->flags & IFF_ALLMULTI ||
!netdev_mc_empty(dev)) {
outb(RMD_PROMISC, EDLC_RMODE); /* Enable promiscuous mode */
PRINTK((KERN_DEBUG "%s: Entering promiscuous mode\n", dev->name));
} else {

8
drivers/net/ni52.c
View File

@ -596,7 +596,7 @@ static int init586(struct net_device *dev)
struct iasetup_cmd_struct __iomem *ias_cmd;
struct tdr_cmd_struct __iomem *tdr_cmd;
struct mcsetup_cmd_struct __iomem *mc_cmd;
struct dev_mc_list *dmi = dev->mc_list;
struct dev_mc_list *dmi;
int num_addrs = netdev_mc_count(dev);
ptr = p->scb + 1;
@ -724,9 +724,9 @@ static int init586(struct net_device *dev)
writew(0xffff, &mc_cmd->cmd_link);
writew(num_addrs * 6, &mc_cmd->mc_cnt);
for (i = 0; i < num_addrs; i++, dmi = dmi->next)
memcpy_toio(mc_cmd->mc_list[i],
dmi->dmi_addr, 6);
i = 0;
netdev_for_each_mc_addr(dmi, dev)
memcpy_toio(mc_cmd->mc_list[i++], dmi->dmi_addr, 6);
writew(make16(mc_cmd), &p->scb->cbl_offset);
writeb(CUC_START, &p->scb->cmd_cuc);

2
drivers/net/niu.c
View File

@ -6365,7 +6365,7 @@ static void niu_set_rx_mode(struct net_device *dev)
for (i = 0; i < 16; i++)
hash[i] = 0xffff;
} else if (!netdev_mc_empty(dev)) {
for (addr = dev->mc_list; addr; addr = addr->next) {
netdev_for_each_mc_addr(addr, dev) {
u32 crc = ether_crc_le(ETH_ALEN, addr->da_addr);
crc >>= 24;

6
drivers/net/pci-skeleton.c
View File

@ -1793,7 +1793,7 @@ static void netdrv_set_rx_mode(struct net_device *dev)
struct netdrv_private *tp = netdev_priv(dev);
void *ioaddr = tp->mmio_addr;
u32 mc_filter[2]; /* Multicast hash filter */
int i, rx_mode;
int rx_mode;
u32 tmp;
DPRINTK("ENTER\n");
@ -1814,10 +1814,10 @@ static void netdrv_set_rx_mode(struct net_device *dev)
mc_filter[1] = mc_filter[0] = 0xffffffff;
} else {
struct dev_mc_list *mclist;
rx_mode = AcceptBroadcast | AcceptMulticast | AcceptMyPhys;
mc_filter[1] = mc_filter[0] = 0;
for (i = 0, mclist = dev->mc_list; mclist && i < netdev_mc_count(dev);
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);

5
drivers/net/pcnet32.c
View File

@ -2590,7 +2590,7 @@ static void pcnet32_load_multicast(struct net_device *dev)
struct pcnet32_private *lp = netdev_priv(dev);
volatile struct pcnet32_init_block *ib = lp->init_block;
volatile __le16 *mcast_table = (__le16 *)ib->filter;
struct dev_mc_list *dmi = dev->mc_list;
struct dev_mc_list *dmi;
unsigned long ioaddr = dev->base_addr;
char *addrs;
int i;
@ -2611,9 +2611,8 @@ static void pcnet32_load_multicast(struct net_device *dev)
ib->filter[1] = 0;
/* Add addresses */
for (i = 0; i < netdev_mc_count(dev); i++) {
netdev_for_each_mc_addr(dmi, dev) {
addrs = dmi->dmi_addr;
dmi = dmi->next;
/* multicast address? */
if (!(*addrs & 1))

2
drivers/net/ps3_gelic_net.c
View File

@ -580,7 +580,7 @@ void gelic_net_set_multi(struct net_device *netdev)
}
/* set multicast addresses */
for (mc = netdev->mc_list; mc; mc = mc->next) {
netdev_for_each_mc_addr(mc, netdev) {
addr = 0;
p = mc->dmi_addr;
for (i = 0; i < ETH_ALEN; i++) {

3
drivers/net/qlcnic/qlcnic_hw.c
View File

@ -453,8 +453,7 @@ void qlcnic_set_multi(struct net_device *netdev)
}
if (!netdev_mc_empty(netdev)) {
for (mc_ptr = netdev->mc_list; mc_ptr;
mc_ptr = mc_ptr->next) {
netdev_for_each_mc_addr(mc_ptr, netdev) {
qlcnic_nic_add_mac(adapter, mc_ptr->dmi_addr,
&del_list);
}

6
drivers/net/qlge/qlge_main.c
View File

@ -4270,8 +4270,8 @@ static void qlge_set_multicast_list(struct net_device *ndev)
status = ql_sem_spinlock(qdev, SEM_MAC_ADDR_MASK);
if (status)
goto exit;
for (i = 0, mc_ptr = ndev->mc_list; mc_ptr;
i++, mc_ptr = mc_ptr->next)
i = 0;
netdev_for_each_mc_addr(mc_ptr, ndev) {
if (ql_set_mac_addr_reg(qdev, (u8 *) mc_ptr->dmi_addr,
MAC_ADDR_TYPE_MULTI_MAC, i)) {
netif_err(qdev, hw, qdev->ndev,
@ -4279,6 +4279,8 @@ static void qlge_set_multicast_list(struct net_device *ndev)
ql_sem_unlock(qdev, SEM_MAC_ADDR_MASK);
goto exit;
}
i++;
}
ql_sem_unlock(qdev, SEM_MAC_ADDR_MASK);
if (ql_set_routing_reg
(qdev, RT_IDX_MCAST_MATCH_SLOT, RT_IDX_MCAST_MATCH, 1)) {

30
drivers/net/r6040.c
View File

@ -938,7 +938,7 @@ static void r6040_multicast_list(struct net_device *dev)
u16 *adrp;
u16 reg;
unsigned long flags;
struct dev_mc_list *dmi = dev->mc_list;
struct dev_mc_list *dmi;
int i;
/* MAC Address */
@ -973,11 +973,9 @@ static void r6040_multicast_list(struct net_device *dev)
for (i = 0; i < 4; i++)
hash_table[i] = 0;
for (i = 0; i < netdev_mc_count(dev); i++) {
netdev_for_each_mc_addr(dmi, dev) {
char *addrs = dmi->dmi_addr;
dmi = dmi->next;
if (!(*addrs & 1))
continue;
@ -995,17 +993,19 @@ static void r6040_multicast_list(struct net_device *dev)
iowrite16(hash_table[3], ioaddr + MAR3);
}
/* Multicast Address 1~4 case */
for (i = 0, dmi; (i < netdev_mc_count(dev)) && (i < MCAST_MAX); i++) {
adrp = (u16 *)dmi->dmi_addr;
iowrite16(adrp[0], ioaddr + MID_1L + 8*i);
iowrite16(adrp[1], ioaddr + MID_1M + 8*i);
iowrite16(adrp[2], ioaddr + MID_1H + 8*i);
dmi = dmi->next;
}
for (i = netdev_mc_count(dev); i < MCAST_MAX; i++) {
iowrite16(0xffff, ioaddr + MID_0L + 8*i);
iowrite16(0xffff, ioaddr + MID_0M + 8*i);
iowrite16(0xffff, ioaddr + MID_0H + 8*i);
i = 0;
netdev_for_each_mc_addr(dmi, dev) {
if (i < MCAST_MAX) {
adrp = (u16 *) dmi->dmi_addr;
iowrite16(adrp[0], ioaddr + MID_1L + 8 * i);
iowrite16(adrp[1], ioaddr + MID_1M + 8 * i);
iowrite16(adrp[2], ioaddr + MID_1H + 8 * i);
} else {
iowrite16(0xffff, ioaddr + MID_0L + 8 * i);
iowrite16(0xffff, ioaddr + MID_0M + 8 * i);
iowrite16(0xffff, ioaddr + MID_0H + 8 * i);
}
i++;
}
}

4
drivers/net/r8169.c
View File

@ -4732,12 +4732,10 @@ static void rtl_set_rx_mode(struct net_device *dev)
mc_filter[1] = mc_filter[0] = 0xffffffff;
} else {
struct dev_mc_list *mclist;
unsigned int i;
rx_mode = AcceptBroadcast | AcceptMyPhys;
mc_filter[1] = mc_filter[0] = 0;
for (i = 0, mclist = dev->mc_list; mclist && i < netdev_mc_count(dev);
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);
rx_mode |= AcceptMulticast;