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authorhayeswang <hayeswang@realtek.com>2014-09-04 16:15:42 +0800
committerDavid S. Miller <davem@davemloft.net>2014-09-05 12:17:00 -0700
commit179bb6d7f0387102317005e131d3676e239878f5 (patch)
tree625c7d6383e506cd423b00a38366f5d4779371b3 /drivers/net/usb
parent8ba789ab13157c82dbdbd4215eac42660a384646 (diff)
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>
Diffstat (limited to 'drivers/net/usb')
-rw-r--r--drivers/net/usb/r8152.c35
1 files changed, 19 insertions, 16 deletions
diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index b5ff93306288..f95e678cb69d 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -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)