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ar71xx: UBNT Secondary MAC address duplicate fix

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There is Secondary MAC address duplicate problem with some UBNT
RouterStation and RouterStation Pro HW batches as Primary MAC addresses
are not increased by 2 per device in board data. Fix is to use 'Locally
Administrated bit' for Secondary MAC address instead of increasing
Primary MAC addresses by 1 which could overlap with other device
Primary MAC address.

Signed-off-by: Kestutis Barkauskas<keba@devint.net>

SVN-Revision: 24643
This commit is contained in:
Gabor Juhos 2010-12-17 17:10:01 +00:00
parent a26c3e60e2
commit 8390b7dc9b
1 changed files with 13 additions and 2 deletions
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15
target/linux/ar71xx/files/arch/mips/ar71xx/mach-ubnt.c
View file

@ -133,6 +133,17 @@ static void __init ubnt_generic_setup(void)
pb42_pci_init();
}
/*
* There is Secondary MAC address duplicate problem with some UBNT HW batches.
* Do not increase Secondary MAC address by 1 but do workaround
* with 'Locally Administrated' bit.
*/
static void ubnt_init_secondary_mac(unsigned char *mac_base)
{
ar71xx_init_mac(ar71xx_eth1_data.mac_addr, mac_base, 0);
ar71xx_eth1_data.mac_addr[0] |= 0x02;
}
#define UBNT_RS_WAN_PHYMASK (1 << 20)
#define UBNT_RS_LAN_PHYMASK ((1 << 16) | (1 << 17) | (1 << 18) | (1 << 19))
@ -146,7 +157,7 @@ static void __init ubnt_rs_setup(void)
ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
ar71xx_eth0_data.phy_mask = UBNT_RS_WAN_PHYMASK;
ar71xx_init_mac(ar71xx_eth1_data.mac_addr, ar71xx_mac_base, 1);
ubnt_init_secondary_mac(ar71xx_mac_base);
ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
ar71xx_eth1_data.speed = SPEED_100;
ar71xx_eth1_data.duplex = DUPLEX_FULL;
@ -177,7 +188,7 @@ static void __init ubnt_rspro_setup(void)
ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
ar71xx_eth0_data.phy_mask = UBNT_RSPRO_WAN_PHYMASK;
ar71xx_init_mac(ar71xx_eth1_data.mac_addr, ar71xx_mac_base, 1);
ubnt_init_secondary_mac(ar71xx_mac_base);
ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
ar71xx_eth1_data.phy_mask = UBNT_RSPRO_LAN_PHYMASK;
ar71xx_eth1_data.speed = SPEED_1000;