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r8152: use eth_hw_addr_random 

If the hw doesn't have a valid MAC address, give a random one and
set it to the hw.

Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
hayeswang 2014-09-04 16:15:42 +08:00 committed by David S. Miller
parent 8ba789ab13
commit 179bb6d7f0
1 changed files with 19 additions and 16 deletions
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35
drivers/net/usb/r8152.c
View File

@ -992,32 +992,35 @@ static int rtl8152_set_mac_address(struct net_device *netdev, void *p)
return 0;
}
static inline void set_ethernet_addr(struct r8152 *tp)
static int set_ethernet_addr(struct r8152 *tp)
{
struct net_device *dev = tp->netdev;
struct sockaddr sa;
int ret;
u8 node_id[8] = {0};
if (tp->version == RTL_VER_01)
ret = pla_ocp_read(tp, PLA_IDR, sizeof(node_id), node_id);
ret = pla_ocp_read(tp, PLA_IDR, 8, sa.sa_data);
else
ret = pla_ocp_read(tp, PLA_BACKUP, sizeof(node_id), node_id);
ret = pla_ocp_read(tp, PLA_BACKUP, 8, sa.sa_data);
if (ret < 0) {
netif_notice(tp, probe, dev, "inet addr fail\n");
netif_err(tp, probe, dev, "Get ether addr fail\n");
} else if (!is_valid_ether_addr(sa.sa_data)) {
netif_err(tp, probe, dev, "Invalid ether addr %pM\n",
sa.sa_data);
eth_hw_addr_random(dev);
ether_addr_copy(sa.sa_data, dev->dev_addr);
ret = rtl8152_set_mac_address(dev, &sa);
netif_info(tp, probe, dev, "Random ether addr %pM\n",
sa.sa_data);
} else {
if (tp->version != RTL_VER_01) {
ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR,
CRWECR_CONFIG);
pla_ocp_write(tp, PLA_IDR, BYTE_EN_SIX_BYTES,
sizeof(node_id), node_id);
ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR,
CRWECR_NORAML);
}
memcpy(dev->dev_addr, node_id, dev->addr_len);
memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
if (tp->version == RTL_VER_01)
ether_addr_copy(dev->dev_addr, sa.sa_data);
else
ret = rtl8152_set_mac_address(dev, &sa);
}
return ret;
}
static void read_bulk_callback(struct urb *urb)