Phonet: back-end for autoconfigured addresses

In some cases, the network device driver knows what layer-3 address the
device should have. This adds support for the Phonet stack to
automatically request from the driver and add that address to the
network device.

Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 17 insertions, 0 deletions

diff --git a/include/linux/phonet.h b/include/linux/phonet.h
index ee5e3c9e2bca..82b45d16e50c 100644
--- a/include/linux/phonet.h
+++ b/include/linux/phonet.h
@@ -170,4 +170,21 @@ static inline __u8 pn_sockaddr_get_resource(const struct sockaddr_pn *spn)
         return spn->spn_resource;
 }
 
+/* Phonet device ioctl requests */
+#ifdef __KERNEL__
+#define SIOCPNGAUTOCONF         (SIOCDEVPRIVATE + 0)
+
+struct if_phonet_autoconf {
+        uint8_t device;
+};
+
+struct if_phonet_req {
+        char ifr_phonet_name[16];
+        union {
+                struct if_phonet_autoconf ifru_phonet_autoconf;
+        } ifr_ifru;
+};
+#define ifr_phonet_autoconf ifr_ifru.ifru_phonet_autoconf
+#endif /* __KERNEL__ */
+
 #endif