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authorOlof Johansson <olof@lixom.net>2008-01-23 13:56:19 -0600
committerDavid S. Miller <davem@davemloft.net>2008-02-03 04:27:53 -0800
commit5cea73b0f7d4d49e276b0c4842465890d00de861 (patch)
tree9d46b61c0c050942a4df9e7dd68c796016ddb746
parentc88559539bd16eae4e9056d4734b3fe8a9858c45 (diff)
pasemi_mac: Add support for changing mac address
Straightforward. It used to be hardcoded and impossible to override with ifconfig. Signed-off-by: Olof Johansson <olof@lixom.net> Signed-off-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/pasemi_mac.c28
-rw-r--r--drivers/net/pasemi_mac.h2
2 files changed, 30 insertions, 0 deletions
diff --git a/drivers/net/pasemi_mac.c b/drivers/net/pasemi_mac.c
index bb88a41b759..59dea3f829f 100644
--- a/drivers/net/pasemi_mac.c
+++ b/drivers/net/pasemi_mac.c
@@ -221,6 +221,33 @@ static int pasemi_get_mac_addr(struct pasemi_mac *mac)
return 0;
}
+static int pasemi_mac_set_mac_addr(struct net_device *dev, void *p)
+{
+ struct pasemi_mac *mac = netdev_priv(dev);
+ struct sockaddr *addr = p;
+ unsigned int adr0, adr1;
+
+ if (!is_valid_ether_addr(addr->sa_data))
+ return -EINVAL;
+
+ memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
+
+ adr0 = dev->dev_addr[2] << 24 |
+ dev->dev_addr[3] << 16 |
+ dev->dev_addr[4] << 8 |
+ dev->dev_addr[5];
+ adr1 = read_mac_reg(mac, PAS_MAC_CFG_ADR1);
+ adr1 &= ~0xffff;
+ adr1 |= dev->dev_addr[0] << 8 | dev->dev_addr[1];
+
+ pasemi_mac_intf_disable(mac);
+ write_mac_reg(mac, PAS_MAC_CFG_ADR0, adr0);
+ write_mac_reg(mac, PAS_MAC_CFG_ADR1, adr1);
+ pasemi_mac_intf_enable(mac);
+
+ return 0;
+}
+
static int get_skb_hdr(struct sk_buff *skb, void **iphdr,
void **tcph, u64 *hdr_flags, void *data)
{
@@ -1475,6 +1502,7 @@ pasemi_mac_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
dev->stop = pasemi_mac_close;
dev->hard_start_xmit = pasemi_mac_start_tx;
dev->set_multicast_list = pasemi_mac_set_rx_mode;
+ dev->set_mac_address = pasemi_mac_set_mac_addr;
if (err)
goto out;
diff --git a/drivers/net/pasemi_mac.h b/drivers/net/pasemi_mac.h
index 8bee2a664c8..39d325940a7 100644
--- a/drivers/net/pasemi_mac.h
+++ b/drivers/net/pasemi_mac.h
@@ -96,6 +96,8 @@ struct pasemi_mac_buffer {
/* MAC CFG register offsets */
enum {
PAS_MAC_CFG_PCFG = 0x80,
+ PAS_MAC_CFG_ADR0 = 0x8c,
+ PAS_MAC_CFG_ADR1 = 0x90,
PAS_MAC_CFG_TXP = 0x98,
PAS_MAC_IPC_CHNL = 0x208,
};