netdev - [net-next 09/18] net: ieee802154: Define a beacon frame header

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20211222155743.256280-10-miquel.raynal@bootlin.com>
Date:   Wed, 22 Dec 2021 16:57:34 +0100
From:   Miquel Raynal <miquel.raynal@...tlin.com>
To:     "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>, netdev@...r.kernel.org,
        Alexander Aring <alex.aring@...il.com>,
        Stefan Schmidt <stefan@...enfreihafen.org>,
        linux-wpan@...r.kernel.org
Cc:     David Girault <david.girault@...vo.com>,
        Romuald Despres <romuald.despres@...vo.com>,
        Frederic Blain <frederic.blain@...vo.com>,
        Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
        <linux-kernel@...r.kernel.org>,
        Miquel Raynal <miquel.raynal@...tlin.com>
Subject: [net-next 09/18] net: ieee802154: Define a beacon frame header

This definition will be used when adding support for scanning and defines
the content of a beacon frame header as in the 802.15.4 specification.

Signed-off-by: Miquel Raynal <miquel.raynal@...tlin.com>
---
 include/net/ieee802154_netdev.h | 36 +++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)

diff --git a/include/net/ieee802154_netdev.h b/include/net/ieee802154_netdev.h
index d0d188c3294b..a92999817dc0 100644
--- a/include/net/ieee802154_netdev.h
+++ b/include/net/ieee802154_netdev.h
@@ -22,6 +22,42 @@
 
 #include <net/cfg802154.h>
 
+struct ieee802154_beaconhdr {
+#if defined(__LITTLE_ENDIAN_BITFIELD)
+	u16 beacon_order:4,
+	    superframe_order:4,
+	    final_cap_slot:4,
+	    battery_life_ext:1,
+	    reserved0:1,
+	    pan_coordinator:1,
+	    assoc_permit:1;
+	u8  gts_count:3,
+	    gts_reserved:4,
+	    gts_permit:1;
+	u8  pend_short_addr_count:3,
+	    reserved1:1,
+	    pend_ext_addr_count:3,
+	    reserved2:1;
+#elif defined(__BIG_ENDIAN_BITFIELD)
+	u16 assoc_permit:1,
+	    pan_coordinator:1,
+	    reserved0:1,
+	    battery_life_ext:1,
+	    final_cap_slot:4,
+	    superframe_order:4,
+	    beacon_order:4;
+	u8  gts_permit:1,
+	    gts_reserved:4,
+	    gts_count:3;
+	u8  reserved2:1,
+	    pend_ext_addr_count:3,
+	    reserved1:1,
+	    pend_short_addr_count:3;
+#else
+#error	"Please fix <asm/byteorder.h>"
+#endif
+} __packed;
+
 struct ieee802154_sechdr {
 #if defined(__LITTLE_ENDIAN_BITFIELD)
 	u8 level:3,
-- 
2.27.0