netdev - [PATCH v6 2/6] 6lowpan: Set MAC address length according to LOWPAN

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Date:   Thu,  2 Mar 2017 15:23:31 +0200
From:   Luiz Augusto von Dentz <luiz.dentz@...il.com>
To:     linux-bluetooth@...r.kernel.org
Cc:     patrik.flykt@...ux.intel.com, aar@...gutronix.de,
        jukka.rissanen@...ux.intel.com, linux-wpan@...r.kernel.org,
        netdev@...r.kernel.org
Subject: [PATCH v6 2/6] 6lowpan: Set MAC address length according to LOWPAN_LLTYPE

From: Patrik Flykt <patrik.flykt@...ux.intel.com>

Set MAC address length according to the 6LoWPAN link layer in use.
Bluetooth Low Energy uses 48 bit addressing while IEEE802.15.4 uses
64 bits.

Signed-off-by: Patrik Flykt <patrik.flykt@...ux.intel.com>
Reviewed-by: Stefan Schmidt <stefan@....samsung.com>
---
 net/6lowpan/core.c | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/net/6lowpan/core.c b/net/6lowpan/core.c
index 5945f7e..5f9909a 100644
--- a/net/6lowpan/core.c
+++ b/net/6lowpan/core.c
@@ -23,7 +23,16 @@ int lowpan_register_netdevice(struct net_device *dev,
 {
 	int i, ret;
 
-	dev->addr_len = EUI64_ADDR_LEN;
+	switch (lltype) {
+	case LOWPAN_LLTYPE_IEEE802154:
+		dev->addr_len = EUI64_ADDR_LEN;
+		break;
+
+	case LOWPAN_LLTYPE_BTLE:
+		dev->addr_len = ETH_ALEN;
+		break;
+	}
+
 	dev->type = ARPHRD_6LOWPAN;
 	dev->mtu = IPV6_MIN_MTU;
 	dev->priv_flags |= IFF_NO_QUEUE;
-- 
2.9.3