generic: Allow configuring an increment with mtd-mac-address

This is useful if the device also has an ethernet WAN interface with a
separate mac address (that is derived from the LAN mac address).

Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>

SVN-Revision: 46220
lede-17.01
John Crispin 2015-07-07 13:44:27 +00:00
parent fa9e259729
commit b9463ce786
3 changed files with 24 additions and 12 deletions

View File

@ -23,12 +23,12 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
/**
* of_get_phy_mode - Get phy mode for given device_node
@@ -75,3 +76,39 @@ const void *of_get_mac_address(struct de
@@ -75,3 +76,43 @@ const void *of_get_mac_address(struct de
return NULL;
}
EXPORT_SYMBOL(of_get_mac_address);
+
+int of_get_mac_address_mtd(struct device_node *np, void *mac)
+int of_get_mac_address_mtd(struct device_node *np, unsigned char *mac)
+{
+ struct device_node *mtd_np = NULL;
+ size_t retlen;
@ -37,6 +37,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
+ const char *part;
+ const __be32 *list;
+ phandle phandle;
+ u32 mac_inc = 0;
+
+ list = of_get_property(np, "mtd-mac-address", &size);
+ if (!list || (size != (2 * sizeof(*list))))
@ -57,9 +58,12 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
+ if (IS_ERR(mtd))
+ return PTR_ERR(mtd);
+
+ ret = mtd_read(mtd, be32_to_cpup(list), 6, &retlen, (u_char *) mac);
+ ret = mtd_read(mtd, be32_to_cpup(list), 6, &retlen, mac);
+ put_mtd_device(mtd);
+
+ if (!of_property_read_u32(np, "mtd-mac-address-increment", &mac_inc))
+ mac[5] += mac_inc;
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(of_get_mac_address_mtd);
@ -69,7 +73,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
#include <linux/of.h>
extern int of_get_phy_mode(struct device_node *np);
extern const void *of_get_mac_address(struct device_node *np);
+extern int of_get_mac_address_mtd(struct device_node *np, void *mac);
+extern int of_get_mac_address_mtd(struct device_node *np, unsigned char *mac);
#else
static inline int of_get_phy_mode(struct device_node *np)
{

View File

@ -23,12 +23,12 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
/**
* of_get_phy_mode - Get phy mode for given device_node
@@ -75,3 +76,39 @@ const void *of_get_mac_address(struct de
@@ -75,3 +76,43 @@ const void *of_get_mac_address(struct de
return NULL;
}
EXPORT_SYMBOL(of_get_mac_address);
+
+int of_get_mac_address_mtd(struct device_node *np, void *mac)
+int of_get_mac_address_mtd(struct device_node *np, unsigned char *mac)
+{
+ struct device_node *mtd_np = NULL;
+ size_t retlen;
@ -37,6 +37,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
+ const char *part;
+ const __be32 *list;
+ phandle phandle;
+ u32 mac_inc = 0;
+
+ list = of_get_property(np, "mtd-mac-address", &size);
+ if (!list || (size != (2 * sizeof(*list))))
@ -57,9 +58,12 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
+ if (IS_ERR(mtd))
+ return PTR_ERR(mtd);
+
+ ret = mtd_read(mtd, be32_to_cpup(list), 6, &retlen, (u_char *) mac);
+ ret = mtd_read(mtd, be32_to_cpup(list), 6, &retlen, mac);
+ put_mtd_device(mtd);
+
+ if (!of_property_read_u32(np, "mtd-mac-address-increment", &mac_inc))
+ mac[5] += mac_inc;
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(of_get_mac_address_mtd);
@ -69,7 +73,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
#include <linux/of.h>
extern int of_get_phy_mode(struct device_node *np);
extern const void *of_get_mac_address(struct device_node *np);
+extern int of_get_mac_address_mtd(struct device_node *np, void *mac);
+extern int of_get_mac_address_mtd(struct device_node *np, unsigned char *mac);
#else
static inline int of_get_phy_mode(struct device_node *np)
{

View File

@ -23,12 +23,12 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
/**
* of_get_phy_mode - Get phy mode for given device_node
@@ -80,3 +81,39 @@ const void *of_get_mac_address(struct de
@@ -80,3 +81,43 @@ const void *of_get_mac_address(struct de
return of_get_mac_addr(np, "address");
}
EXPORT_SYMBOL(of_get_mac_address);
+
+int of_get_mac_address_mtd(struct device_node *np, void *mac)
+int of_get_mac_address_mtd(struct device_node *np, unsigned char *mac)
+{
+ struct device_node *mtd_np = NULL;
+ size_t retlen;
@ -37,6 +37,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
+ const char *part;
+ const __be32 *list;
+ phandle phandle;
+ u32 mac_inc = 0;
+
+ list = of_get_property(np, "mtd-mac-address", &size);
+ if (!list || (size != (2 * sizeof(*list))))
@ -57,9 +58,12 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
+ if (IS_ERR(mtd))
+ return PTR_ERR(mtd);
+
+ ret = mtd_read(mtd, be32_to_cpup(list), 6, &retlen, (u_char *) mac);
+ ret = mtd_read(mtd, be32_to_cpup(list), 6, &retlen, mac);
+ put_mtd_device(mtd);
+
+ if (!of_property_read_u32(np, "mtd-mac-address-increment", &mac_inc))
+ mac[5] += mac_inc;
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(of_get_mac_address_mtd);
@ -69,7 +73,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
struct net_device;
extern int of_get_phy_mode(struct device_node *np);
extern const void *of_get_mac_address(struct device_node *np);
+extern int of_get_mac_address_mtd(struct device_node *np, void *mac);
+extern int of_get_mac_address_mtd(struct device_node *np, unsigned char *mac);
extern struct net_device *of_find_net_device_by_node(struct device_node *np);
#else
static inline int of_get_phy_mode(struct device_node *np)