This patch is the third of three, designed to allow access to the
permanent hardware address of a network device. This patch adds a new
ioctl to get the field, "perm_addr," which was added to net_device by
the first patch.
Signed-off-by: Jon Wetzel <[EMAIL PROTECTED]>
--- linux-2.6.12.2/include/linux/sockios.h 2005-06-29 18:00:53.000000000
-0500
+++ linux-2.6.12.2-jw/include/linux/sockios.h 2005-07-12 08:44:36.000000000
-0500
@@ -54,6 +54,7 @@
#define SIOCGIFENCAP 0x8925 /* get/set encapsulations */
#define SIOCSIFENCAP 0x8926
#define SIOCGIFHWADDR 0x8927 /* Get hardware address */
+#define SIOCGIFPERMADDR 0x8928 /* Get permanent hardware address */
#define SIOCGIFSLAVE 0x8929 /* Driver slaving support */
#define SIOCSIFSLAVE 0x8930
#define SIOCADDMULTI 0x8931 /* Multicast address lists */
--- linux-2.6.12.2/net/core/dev.c 2005-06-29 18:00:53.000000000 -0500
+++ linux-2.6.12.2-jw/net/core/dev.c 2005-07-11 12:59:02.000000000 -0500
@@ -2387,6 +2387,15 @@
ifr->ifr_hwaddr.sa_family = dev->type;
return 0;
+ case SIOCGIFPERMADDR:
+ if (!dev->addr_len)
+ memset(ifr->ifr_hwaddr.sa_data, 0, sizeof
ifr->ifr_hwaddr.sa_data);
+ else
+ memcpy(ifr->ifr_hwaddr.sa_data, dev->perm_addr,
+ min(sizeof ifr->ifr_hwaddr.sa_data,
(size_t) dev->addr_len));
+ ifr->ifr_hwaddr.sa_family = dev->type;
+ return 0;
+
case SIOCSIFHWADDR:
return dev_set_mac_address(dev, &ifr->ifr_hwaddr);
-
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