mac802154: monitor device support

Support for monitor device intended to capture all the network activity.
This interface could be used by networks sniffers and is already
supported by WireShark. That's a good test point to check that basic
MAC support works.

Signed-off-by: Alexander Smirnov <alex.bluesman.smirnov@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 15 insertions, 0 deletions

diff --git a/include/linux/if_arp.h b/include/linux/if_arp.h
index 3718acf40a09..26cb3c2c5c71 100644
--- a/include/linux/if_arp.h
+++ b/include/linux/if_arp.h
@@ -87,6 +87,7 @@
 #define ARPHRD_IEEE80211_PRISM 802      /* IEEE 802.11 + Prism2 header  */
 #define ARPHRD_IEEE80211_RADIOTAP 803   /* IEEE 802.11 + radiotap header */
 #define ARPHRD_IEEE802154         804
+#define ARPHRD_IEEE802154_MONITOR 805   /* IEEE 802.15.4 network monitor */
 
 #define ARPHRD_PHONET   820             /* PhoNet media type            */
 #define ARPHRD_PHONET_PIPE 821          /* PhoNet pipe header           */
diff --git a/include/linux/nl802154.h b/include/linux/nl802154.h
index 2015ad248101..5a3db3aa5f17 100644
--- a/include/linux/nl802154.h
+++ b/include/linux/nl802154.h
@@ -129,6 +129,20 @@ enum {
 
 enum {
         __IEEE802154_DEV_INVALID = -1,
+
+         /* TODO:
+         * Nowadays three device types supported by this stack at linux-zigbee
+         * project: WPAN = 0, MONITOR = 1 and SMAC = 2.
+         *
+         * Since this stack implementation exists many years, it's definitely
+         * bad idea to change the assigned values due to they are already used
+         * by third-party userspace software like: iz-tools, wireshark...
+         *
+         * Currently only monitor device is added and initialized by '1' for
+         * compatibility.
+         */
+        IEEE802154_DEV_MONITOR = 1,
+
         __IEEE802154_DEV_MAX,
 };