[PATCH 04/50] adi/blackfin: set addr_assign_type correctly if random

From: Danny Kukawka
Date: Wed Feb 08 2012 - 16:11:34 EST


Set the addr_assign_type for adi driver correctly to
NET_ADDR_RANDOM if a random MAC address was generated.
Reset the state to NET_ADDR_PERM as soon as the MAC get
changed via .ndo_set_mac_address.

Signed-off-by: Danny Kukawka <danny.kukawka@xxxxxxxxx>
---
arch/blackfin/mach-bf518/boards/ezbrd.c | 3 ++-
arch/blackfin/mach-bf518/boards/tcm-bf518.c | 3 ++-
arch/blackfin/mach-bf527/boards/ad7160eval.c | 3 ++-
arch/blackfin/mach-bf527/boards/cm_bf527.c | 3 ++-
arch/blackfin/mach-bf527/boards/ezbrd.c | 3 ++-
arch/blackfin/mach-bf527/boards/ezkit.c | 3 ++-
arch/blackfin/mach-bf527/boards/tll6527m.c | 3 ++-
arch/blackfin/mach-bf537/boards/cm_bf537e.c | 3 ++-
arch/blackfin/mach-bf537/boards/cm_bf537u.c | 3 ++-
arch/blackfin/mach-bf537/boards/dnp5370.c | 3 ++-
arch/blackfin/mach-bf537/boards/pnav10.c | 3 ++-
arch/blackfin/mach-bf537/boards/stamp.c | 3 ++-
arch/blackfin/mach-bf537/boards/tcm_bf537.c | 3 ++-
drivers/net/ethernet/adi/bfin_mac.c | 10 +++++++---
drivers/net/ethernet/adi/bfin_mac.h | 2 +-
15 files changed, 34 insertions(+), 17 deletions(-)

diff --git a/arch/blackfin/mach-bf518/boards/ezbrd.c b/arch/blackfin/mach-bf518/boards/ezbrd.c
index a2d96d3..a173957 100644
--- a/arch/blackfin/mach-bf518/boards/ezbrd.c
+++ b/arch/blackfin/mach-bf518/boards/ezbrd.c
@@ -821,7 +821,7 @@ void native_machine_restart(char *cmd)
bfin_reset_boot_spi_cs(P_DEFAULT_BOOT_SPI_CS);
}

-void bfin_get_ether_addr(char *addr)
+int bfin_get_ether_addr(char *addr)
{
/* the MAC is stored in OTP memory page 0xDF */
u32 ret;
@@ -834,5 +834,6 @@ void bfin_get_ether_addr(char *addr)
for (ret = 0; ret < 6; ++ret)
addr[ret] = otp_mac_p[5 - ret];
}
+ return 0;
}
EXPORT_SYMBOL(bfin_get_ether_addr);
diff --git a/arch/blackfin/mach-bf518/boards/tcm-bf518.c b/arch/blackfin/mach-bf518/boards/tcm-bf518.c
index f271310..d3c763e 100644
--- a/arch/blackfin/mach-bf518/boards/tcm-bf518.c
+++ b/arch/blackfin/mach-bf518/boards/tcm-bf518.c
@@ -730,9 +730,10 @@ void native_machine_restart(char *cmd)
bfin_reset_boot_spi_cs(P_DEFAULT_BOOT_SPI_CS);
}

-void bfin_get_ether_addr(char *addr)
+int bfin_get_ether_addr(char *addr)
{
random_ether_addr(addr);
printk(KERN_WARNING "%s:%s: Setting Ethernet MAC to a random one\n", __FILE__, __func__);
+ return 1;
}
EXPORT_SYMBOL(bfin_get_ether_addr);
diff --git a/arch/blackfin/mach-bf527/boards/ad7160eval.c b/arch/blackfin/mach-bf527/boards/ad7160eval.c
index c8d5d2b..fad7fea 100644
--- a/arch/blackfin/mach-bf527/boards/ad7160eval.c
+++ b/arch/blackfin/mach-bf527/boards/ad7160eval.c
@@ -846,7 +846,7 @@ void native_machine_restart(char *cmd)
bfin_reset_boot_spi_cs(P_DEFAULT_BOOT_SPI_CS);
}

-void bfin_get_ether_addr(char *addr)
+int bfin_get_ether_addr(char *addr)
{
/* the MAC is stored in OTP memory page 0xDF */
u32 ret;
@@ -859,5 +859,6 @@ void bfin_get_ether_addr(char *addr)
for (ret = 0; ret < 6; ++ret)
addr[ret] = otp_mac_p[5 - ret];
}
+ return 0;
}
EXPORT_SYMBOL(bfin_get_ether_addr);
diff --git a/arch/blackfin/mach-bf527/boards/cm_bf527.c b/arch/blackfin/mach-bf527/boards/cm_bf527.c
index 7330607..5fb09ad 100644
--- a/arch/blackfin/mach-bf527/boards/cm_bf527.c
+++ b/arch/blackfin/mach-bf527/boards/cm_bf527.c
@@ -983,9 +983,10 @@ void native_machine_restart(char *cmd)
bfin_reset_boot_spi_cs(P_DEFAULT_BOOT_SPI_CS);
}

-void bfin_get_ether_addr(char *addr)
+int bfin_get_ether_addr(char *addr)
{
random_ether_addr(addr);
printk(KERN_WARNING "%s:%s: Setting Ethernet MAC to a random one\n", __FILE__, __func__);
+ return 1;
}
EXPORT_SYMBOL(bfin_get_ether_addr);
diff --git a/arch/blackfin/mach-bf527/boards/ezbrd.c b/arch/blackfin/mach-bf527/boards/ezbrd.c
index db3ecfc..17c6a24 100644
--- a/arch/blackfin/mach-bf527/boards/ezbrd.c
+++ b/arch/blackfin/mach-bf527/boards/ezbrd.c
@@ -870,7 +870,7 @@ void native_machine_restart(char *cmd)
bfin_reset_boot_spi_cs(P_DEFAULT_BOOT_SPI_CS);
}

-void bfin_get_ether_addr(char *addr)
+int bfin_get_ether_addr(char *addr)
{
/* the MAC is stored in OTP memory page 0xDF */
u32 ret;
@@ -883,5 +883,6 @@ void bfin_get_ether_addr(char *addr)
for (ret = 0; ret < 6; ++ret)
addr[ret] = otp_mac_p[5 - ret];
}
+ return 0;
}
EXPORT_SYMBOL(bfin_get_ether_addr);
diff --git a/arch/blackfin/mach-bf527/boards/ezkit.c b/arch/blackfin/mach-bf527/boards/ezkit.c
index dfdd8e6..89b0f6c 100644
--- a/arch/blackfin/mach-bf527/boards/ezkit.c
+++ b/arch/blackfin/mach-bf527/boards/ezkit.c
@@ -1311,7 +1311,7 @@ void native_machine_restart(char *cmd)
bfin_reset_boot_spi_cs(P_DEFAULT_BOOT_SPI_CS);
}

-void bfin_get_ether_addr(char *addr)
+int bfin_get_ether_addr(char *addr)
{
/* the MAC is stored in OTP memory page 0xDF */
u32 ret;
@@ -1324,5 +1324,6 @@ void bfin_get_ether_addr(char *addr)
for (ret = 0; ret < 6; ++ret)
addr[ret] = otp_mac_p[5 - ret];
}
+ return 0;
}
EXPORT_SYMBOL(bfin_get_ether_addr);
diff --git a/arch/blackfin/mach-bf527/boards/tll6527m.c b/arch/blackfin/mach-bf527/boards/tll6527m.c
index 360e97f..d192c0a 100644
--- a/arch/blackfin/mach-bf527/boards/tll6527m.c
+++ b/arch/blackfin/mach-bf527/boards/tll6527m.c
@@ -931,7 +931,7 @@ void native_machine_restart(char *cmd)
bfin_reset_boot_spi_cs(P_DEFAULT_BOOT_SPI_CS);
}

-void bfin_get_ether_addr(char *addr)
+int bfin_get_ether_addr(char *addr)
{
/* the MAC is stored in OTP memory page 0xDF */
u32 ret;
@@ -945,5 +945,6 @@ void bfin_get_ether_addr(char *addr)
for (ret = 0; ret < 6; ++ret)
addr[ret] = otp_mac_p[5 - ret];
}
+ return 0;
}
EXPORT_SYMBOL(bfin_get_ether_addr);
diff --git a/arch/blackfin/mach-bf537/boards/cm_bf537e.c b/arch/blackfin/mach-bf537/boards/cm_bf537e.c
index 0d4a2f6..618fd7d 100644
--- a/arch/blackfin/mach-bf537/boards/cm_bf537e.c
+++ b/arch/blackfin/mach-bf537/boards/cm_bf537e.c
@@ -813,9 +813,10 @@ void __init native_machine_early_platform_add_devices(void)
ARRAY_SIZE(cm_bf537e_early_devices));
}

-void bfin_get_ether_addr(char *addr)
+int bfin_get_ether_addr(char *addr)
{
random_ether_addr(addr);
printk(KERN_WARNING "%s:%s: Setting Ethernet MAC to a random one\n", __FILE__, __func__);
+ return 1;
}
EXPORT_SYMBOL(bfin_get_ether_addr);
diff --git a/arch/blackfin/mach-bf537/boards/cm_bf537u.c b/arch/blackfin/mach-bf537/boards/cm_bf537u.c
index f553698..48a7a23 100644
--- a/arch/blackfin/mach-bf537/boards/cm_bf537u.c
+++ b/arch/blackfin/mach-bf537/boards/cm_bf537u.c
@@ -790,9 +790,10 @@ void __init native_machine_early_platform_add_devices(void)
ARRAY_SIZE(cm_bf537u_early_devices));
}

-void bfin_get_ether_addr(char *addr)
+int bfin_get_ether_addr(char *addr)
{
random_ether_addr(addr);
printk(KERN_WARNING "%s:%s: Setting Ethernet MAC to a random one\n", __FILE__, __func__);
+ return 1;
}
EXPORT_SYMBOL(bfin_get_ether_addr);
diff --git a/arch/blackfin/mach-bf537/boards/dnp5370.c b/arch/blackfin/mach-bf537/boards/dnp5370.c
index 11dadeb..6f77bf7 100644
--- a/arch/blackfin/mach-bf537/boards/dnp5370.c
+++ b/arch/blackfin/mach-bf537/boards/dnp5370.c
@@ -399,9 +399,10 @@ arch_initcall(dnp5370_init);
/*
* Currently the MAC address is saved in Flash by U-Boot
*/
-void bfin_get_ether_addr(char *addr)
+int bfin_get_ether_addr(char *addr)
{
*(u32 *)(&(addr[0])) = bfin_read32(FLASH_MAC);
*(u16 *)(&(addr[4])) = bfin_read16(FLASH_MAC + 4);
+ return 0;
}
EXPORT_SYMBOL(bfin_get_ether_addr);
diff --git a/arch/blackfin/mach-bf537/boards/pnav10.c b/arch/blackfin/mach-bf537/boards/pnav10.c
index 6fd8470..2a9cd61 100644
--- a/arch/blackfin/mach-bf537/boards/pnav10.c
+++ b/arch/blackfin/mach-bf537/boards/pnav10.c
@@ -535,9 +535,10 @@ void __init native_machine_early_platform_add_devices(void)
ARRAY_SIZE(stamp_early_devices));
}

-void bfin_get_ether_addr(char *addr)
+int bfin_get_ether_addr(char *addr)
{
random_ether_addr(addr);
printk(KERN_WARNING "%s:%s: Setting Ethernet MAC to a random one\n", __FILE__, __func__);
+ return 1;
}
EXPORT_SYMBOL(bfin_get_ether_addr);
diff --git a/arch/blackfin/mach-bf537/boards/stamp.c b/arch/blackfin/mach-bf537/boards/stamp.c
index 2221173..0b80725 100644
--- a/arch/blackfin/mach-bf537/boards/stamp.c
+++ b/arch/blackfin/mach-bf537/boards/stamp.c
@@ -2993,9 +2993,10 @@ void native_machine_restart(char *cmd)
* Currently the MAC address is saved in Flash by U-Boot
*/
#define FLASH_MAC 0x203f0000
-void bfin_get_ether_addr(char *addr)
+int bfin_get_ether_addr(char *addr)
{
*(u32 *)(&(addr[0])) = bfin_read32(FLASH_MAC);
*(u16 *)(&(addr[4])) = bfin_read16(FLASH_MAC + 4);
+ return 0;
}
EXPORT_SYMBOL(bfin_get_ether_addr);
diff --git a/arch/blackfin/mach-bf537/boards/tcm_bf537.c b/arch/blackfin/mach-bf537/boards/tcm_bf537.c
index 9885176..02eb9d0 100644
--- a/arch/blackfin/mach-bf537/boards/tcm_bf537.c
+++ b/arch/blackfin/mach-bf537/boards/tcm_bf537.c
@@ -780,9 +780,10 @@ void __init native_machine_early_platform_add_devices(void)
ARRAY_SIZE(cm_bf537_early_devices));
}

-void bfin_get_ether_addr(char *addr)
+int bfin_get_ether_addr(char *addr)
{
random_ether_addr(addr);
printk(KERN_WARNING "%s:%s: Setting Ethernet MAC to a random one\n", __FILE__, __func__);
+ return 1;
}
EXPORT_SYMBOL(bfin_get_ether_addr);
diff --git a/drivers/net/ethernet/adi/bfin_mac.c b/drivers/net/ethernet/adi/bfin_mac.c
index d812a10..064a3a6 100644
--- a/drivers/net/ethernet/adi/bfin_mac.c
+++ b/drivers/net/ethernet/adi/bfin_mac.c
@@ -621,6 +621,8 @@ static int bfin_mac_set_mac_address(struct net_device *dev, void *p)
if (netif_running(dev))
return -EBUSY;
memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
+ if (dev->addr_assign_type & NET_ADDR_RANDOM)
+ dev->addr_assign_type ^= NET_ADDR_RANDOM;
setup_mac_addr(dev->dev_addr);
return 0;
}
@@ -1496,12 +1498,14 @@ static int __devinit bfin_mac_probe(struct platform_device *pdev)
* Grab the MAC from the board somehow
* this is done in the arch/blackfin/mach-bfxxx/boards/eth_mac.c
*/
- if (!is_valid_ether_addr(ndev->dev_addr))
- bfin_get_ether_addr(ndev->dev_addr);
+ if (!is_valid_ether_addr(ndev->dev_addr)) {
+ if (bfin_get_ether_addr(ndev->dev_addr))
+ ndev->addr_assign_type |= NET_ADDR_RANDOM;
+ }

/* If still not valid, get a random one */
if (!is_valid_ether_addr(ndev->dev_addr))
- random_ether_addr(ndev->dev_addr);
+ dev_hw_addr_random(ndev, ndev->dev_addr);

setup_mac_addr(ndev->dev_addr);

diff --git a/drivers/net/ethernet/adi/bfin_mac.h b/drivers/net/ethernet/adi/bfin_mac.h
index f8559ac..960905c 100644
--- a/drivers/net/ethernet/adi/bfin_mac.h
+++ b/drivers/net/ethernet/adi/bfin_mac.h
@@ -101,6 +101,6 @@ struct bfin_mac_local {
#endif
};

-extern void bfin_get_ether_addr(char *addr);
+extern int bfin_get_ether_addr(char *addr);

#endif
--
1.7.7.3

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