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-rw-r--r--drivers/net/mv643xx_eth.c174
1 files changed, 104 insertions, 70 deletions
diff --git a/drivers/net/mv643xx_eth.c b/drivers/net/mv643xx_eth.c
index 3326587..9f3ee7d 100644
--- a/drivers/net/mv643xx_eth.c
+++ b/drivers/net/mv643xx_eth.c
@@ -1448,11 +1448,8 @@ static const struct ethtool_ops mv643xx_eth_ethtool_ops_phyless = {
/* address handling *********************************************************/
static void uc_addr_get(struct mv643xx_eth_private *mp, unsigned char *addr)
{
- unsigned int mac_h;
- unsigned int mac_l;
-
- mac_h = rdlp(mp, MAC_ADDR_HIGH);
- mac_l = rdlp(mp, MAC_ADDR_LOW);
+ unsigned int mac_h = rdlp(mp, MAC_ADDR_HIGH);
+ unsigned int mac_l = rdlp(mp, MAC_ADDR_LOW);
addr[0] = (mac_h >> 24) & 0xff;
addr[1] = (mac_h >> 16) & 0xff;
@@ -1462,57 +1459,71 @@ static void uc_addr_get(struct mv643xx_eth_private *mp, unsigned char *addr)
addr[5] = mac_l & 0xff;
}
-static void init_mac_tables(struct mv643xx_eth_private *mp)
+static void uc_addr_set(struct mv643xx_eth_private *mp, unsigned char *addr)
{
- int i;
-
- for (i = 0; i < 0x100; i += 4) {
- wrl(mp, SPECIAL_MCAST_TABLE(mp->port_num) + i, 0);
- wrl(mp, OTHER_MCAST_TABLE(mp->port_num) + i, 0);
- }
-
- for (i = 0; i < 0x10; i += 4)
- wrl(mp, UNICAST_TABLE(mp->port_num) + i, 0);
+ wrlp(mp, MAC_ADDR_HIGH,
+ (addr[0] << 24) | (addr[1] << 16) | (addr[2] << 8) | addr[3]);
+ wrlp(mp, MAC_ADDR_LOW, (addr[4] << 8) | addr[5]);
}
-static void set_filter_table_entry(struct mv643xx_eth_private *mp,
- int table, unsigned char entry)
+static u32 uc_addr_filter_mask(struct net_device *dev)
{
- unsigned int table_reg;
-
- /* Set "accepts frame bit" at specified table entry */
- table_reg = rdl(mp, table + (entry & 0xfc));
- table_reg |= 0x01 << (8 * (entry & 3));
- wrl(mp, table + (entry & 0xfc), table_reg);
-}
+ struct dev_addr_list *uc_ptr;
+ u32 nibbles;
-static void uc_addr_set(struct mv643xx_eth_private *mp, unsigned char *addr)
-{
- unsigned int mac_h;
- unsigned int mac_l;
- int table;
+ if (dev->flags & IFF_PROMISC)
+ return 0;
- mac_l = (addr[4] << 8) | addr[5];
- mac_h = (addr[0] << 24) | (addr[1] << 16) | (addr[2] << 8) | addr[3];
+ nibbles = 1 << (dev->dev_addr[5] & 0x0f);
+ for (uc_ptr = dev->uc_list; uc_ptr != NULL; uc_ptr = uc_ptr->next) {
+ if (memcmp(dev->dev_addr, uc_ptr->da_addr, 5))
+ return 0;
+ if ((dev->dev_addr[5] ^ uc_ptr->da_addr[5]) & 0xf0)
+ return 0;
- wrlp(mp, MAC_ADDR_LOW, mac_l);
- wrlp(mp, MAC_ADDR_HIGH, mac_h);
+ nibbles |= 1 << (uc_ptr->da_addr[5] & 0x0f);
+ }
- table = UNICAST_TABLE(mp->port_num);
- set_filter_table_entry(mp, table, addr[5] & 0x0f);
+ return nibbles;
}
-static int mv643xx_eth_set_mac_address(struct net_device *dev, void *addr)
+static void mv643xx_eth_program_unicast_filter(struct net_device *dev)
{
struct mv643xx_eth_private *mp = netdev_priv(dev);
+ u32 port_config;
+ u32 nibbles;
+ int i;
- /* +2 is for the offset of the HW addr type */
- memcpy(dev->dev_addr, addr + 2, 6);
-
- init_mac_tables(mp);
uc_addr_set(mp, dev->dev_addr);
- return 0;
+ port_config = rdlp(mp, PORT_CONFIG);
+ nibbles = uc_addr_filter_mask(dev);
+ if (!nibbles) {
+ port_config |= UNICAST_PROMISCUOUS_MODE;
+ wrlp(mp, PORT_CONFIG, port_config);
+ return;
+ }
+
+ for (i = 0; i < 16; i += 4) {
+ int off = UNICAST_TABLE(mp->port_num) + i;
+ u32 v;
+
+ v = 0;
+ if (nibbles & 1)
+ v |= 0x00000001;
+ if (nibbles & 2)
+ v |= 0x00000100;
+ if (nibbles & 4)
+ v |= 0x00010000;
+ if (nibbles & 8)
+ v |= 0x01000000;
+ nibbles >>= 4;
+
+ wrl(mp, off, v);
+ }
+
+ port_config &= ~UNICAST_PROMISCUOUS_MODE;
+ wrlp(mp, PORT_CONFIG, port_config);
}
static int addr_crc(unsigned char *addr)
@@ -1533,24 +1544,22 @@ static int addr_crc(unsigned char *addr)
return crc;
}
-static void mv643xx_eth_set_rx_mode(struct net_device *dev)
+static void mv643xx_eth_program_multicast_filter(struct net_device *dev)
{
struct mv643xx_eth_private *mp = netdev_priv(dev);
- u32 port_config;
+ u32 *mc_spec;
+ u32 *mc_other;
struct dev_addr_list *addr;
int i;
- port_config = rdlp(mp, PORT_CONFIG);
- if (dev->flags & IFF_PROMISC)
- port_config |= UNICAST_PROMISCUOUS_MODE;
- else
- port_config &= ~UNICAST_PROMISCUOUS_MODE;
- wrlp(mp, PORT_CONFIG, port_config);
-
if (dev->flags & (IFF_PROMISC | IFF_ALLMULTI)) {
- int port_num = mp->port_num;
- u32 accept = 0x01010101;
+ int port_num;
+ u32 accept;
+ int i;
+oom:
+ port_num = mp->port_num;
+ accept = 0x01010101;
for (i = 0; i < 0x100; i += 4) {
wrl(mp, SPECIAL_MCAST_TABLE(port_num) + i, accept);
wrl(mp, OTHER_MCAST_TABLE(port_num) + i, accept);
@@ -1558,28 +1567,55 @@ static void mv643xx_eth_set_rx_mode(struct net_device *dev)
return;
}
- for (i = 0; i < 0x100; i += 4) {
- wrl(mp, SPECIAL_MCAST_TABLE(mp->port_num) + i, 0);
- wrl(mp, OTHER_MCAST_TABLE(mp->port_num) + i, 0);
- }
+ mc_spec = kmalloc(0x200, GFP_KERNEL);
+ if (mc_spec == NULL)
+ goto oom;
+ mc_other = mc_spec + (0x100 >> 2);
+
+ memset(mc_spec, 0, 0x100);
+ memset(mc_other, 0, 0x100);
for (addr = dev->mc_list; addr != NULL; addr = addr->next) {
u8 *a = addr->da_addr;
- int table;
-
- if (addr->da_addrlen != 6)
- continue;
+ u32 *table;
+ int entry;
if (memcmp(a, "\x01\x00\x5e\x00\x00", 5) == 0) {
- table = SPECIAL_MCAST_TABLE(mp->port_num);
- set_filter_table_entry(mp, table, a[5]);
+ table = mc_spec;
+ entry = a[5];
} else {
- int crc = addr_crc(a);
-
- table = OTHER_MCAST_TABLE(mp->port_num);
- set_filter_table_entry(mp, table, crc);
+ table = mc_other;
+ entry = addr_crc(a);
}
+
+ table[entry >> 2] |= 1 << (entry & 3);
}
+
+ for (i = 0; i < 0x100; i += 4) {
+ wrl(mp, SPECIAL_MCAST_TABLE(mp->port_num) + i, mc_spec[i >> 2]);
+ wrl(mp, OTHER_MCAST_TABLE(mp->port_num) + i, mc_other[i >> 2]);
+ }
+
+ kfree(mc_spec);
+}
+
+static void mv643xx_eth_set_rx_mode(struct net_device *dev)
+{
+ mv643xx_eth_program_unicast_filter(dev);
+ mv643xx_eth_program_multicast_filter(dev);
+}
+
+static int mv643xx_eth_set_mac_address(struct net_device *dev, void *addr)
+{
+ struct sockaddr *sa = addr;
+
+ memcpy(dev->dev_addr, sa->sa_data, ETH_ALEN);
+
+ netif_addr_lock_bh(dev);
+ mv643xx_eth_program_unicast_filter(dev);
+ netif_addr_unlock_bh(dev);
+
+ return 0;
}
@@ -1988,7 +2024,7 @@ static void port_start(struct mv643xx_eth_private *mp)
/*
* Add configured unicast address to address filter table.
*/
- uc_addr_set(mp, mp->dev->dev_addr);
+ mv643xx_eth_program_unicast_filter(mp->dev);
/*
* Receive all unmatched unicast, TCP, UDP, BPDU and broadcast
@@ -2084,8 +2120,6 @@ static int mv643xx_eth_open(struct net_device *dev)
return -EAGAIN;
}
- init_mac_tables(mp);
-
mv643xx_eth_recalc_skb_size(mp);
napi_enable(&mp->napi);
@@ -2667,7 +2701,7 @@ static int mv643xx_eth_probe(struct platform_device *pdev)
dev->hard_start_xmit = mv643xx_eth_xmit;
dev->open = mv643xx_eth_open;
dev->stop = mv643xx_eth_stop;
- dev->set_multicast_list = mv643xx_eth_set_rx_mode;
+ dev->set_rx_mode = mv643xx_eth_set_rx_mode;
dev->set_mac_address = mv643xx_eth_set_mac_address;
dev->do_ioctl = mv643xx_eth_ioctl;
dev->change_mtu = mv643xx_eth_change_mtu;
generated by cgit v0.10.2 at 2024-08-25 10:55:35 (GMT)