diff options
Diffstat (limited to 'drivers/net/dm9000.c')
| -rw-r--r-- | drivers/net/dm9000.c | 35 |
1 files changed, 9 insertions, 26 deletions
diff --git a/drivers/net/dm9000.c b/drivers/net/dm9000.c index 1d790a8e3a98..2259605131cf 100644 --- a/drivers/net/dm9000.c +++ b/drivers/net/dm9000.c @@ -1155,24 +1155,6 @@ dm9000_write_eeprom(board_info_t *db, int offset, u8 *data) } /* - * Calculate the CRC valude of the Rx packet - * flag = 1 : return the reverse CRC (for the received packet CRC) - * 0 : return the normal CRC (for Hash Table index) - */ - -static unsigned long -cal_CRC(unsigned char *Data, unsigned int Len, u8 flag) -{ - - u32 crc = ether_crc_le(Len, Data); - - if (flag) - return ~crc; - - return crc; -} - -/* * Set DM9000 multicast address */ static void @@ -1181,15 +1163,16 @@ dm9000_hash_table(struct net_device *dev) board_info_t *db = (board_info_t *) dev->priv; struct dev_mc_list *mcptr = dev->mc_list; int mc_cnt = dev->mc_count; + int i, oft; u32 hash_val; - u16 i, oft, hash_table[4]; + u16 hash_table[4]; unsigned long flags; dm9000_dbg(db, 1, "entering %s\n", __func__); - spin_lock_irqsave(&db->lock,flags); + spin_lock_irqsave(&db->lock, flags); - for (i = 0, oft = 0x10; i < 6; i++, oft++) + for (i = 0, oft = DM9000_PAR; i < 6; i++, oft++) iow(db, oft, dev->dev_addr[i]); /* Clear Hash Table */ @@ -1201,17 +1184,17 @@ dm9000_hash_table(struct net_device *dev) /* the multicast address in Hash Table : 64 bits */ for (i = 0; i < mc_cnt; i++, mcptr = mcptr->next) { - hash_val = cal_CRC((char *) mcptr->dmi_addr, 6, 0) & 0x3f; + hash_val = ether_crc_le(6, mcptr->dmi_addr) & 0x3f; hash_table[hash_val / 16] |= (u16) 1 << (hash_val % 16); } /* Write the hash table to MAC MD table */ - for (i = 0, oft = 0x16; i < 4; i++) { - iow(db, oft++, hash_table[i] & 0xff); - iow(db, oft++, (hash_table[i] >> 8) & 0xff); + for (i = 0, oft = DM9000_MAR; i < 4; i++) { + iow(db, oft++, hash_table[i]); + iow(db, oft++, hash_table[i] >> 8); } - spin_unlock_irqrestore(&db->lock,flags); + spin_unlock_irqrestore(&db->lock, flags); } |