diff options
| author | hayeswang <hayeswang@realtek.com> | 2014-09-04 16:15:42 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-09-05 12:17:00 -0700 |
| commit | 179bb6d7f0387102317005e131d3676e239878f5 (patch) | |
| tree | 625c7d6383e506cd423b00a38366f5d4779371b3 /drivers/net/usb | |
| parent | 8ba789ab13157c82dbdbd4215eac42660a384646 (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.c | 35 |
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) |