Return-Path: From: Luiz Augusto von Dentz To: linux-bluetooth@vger.kernel.org Cc: patrik.flykt@linux.intel.com, jukka.rissanen@linux.intel.com, stefan@osg.samsung.com, aar@pengutronix.de, linux-wpan@vger.kernel.org, netdev@vger.kernel.org Subject: [PATCH v5 1/6] bluetooth: Set 6 byte device addresses Date: Fri, 24 Feb 2017 14:14:35 +0200 Message-Id: <20170224121440.32269-2-luiz.dentz@gmail.com> In-Reply-To: <20170224121440.32269-1-luiz.dentz@gmail.com> References: <20170224121440.32269-1-luiz.dentz@gmail.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Patrik Flykt Set BTLE MAC addresses that are 6 bytes long and not 8 bytes that are used in other places with 6lowpan. Signed-off-by: Patrik Flykt Signed-off-by: Luiz Augusto von Dentz Reviewed-by: Stefan Schmidt --- net/bluetooth/6lowpan.c | 19 ++++++++----------- 1 file changed, 8 insertions(+), 11 deletions(-) diff --git a/net/bluetooth/6lowpan.c b/net/bluetooth/6lowpan.c index 1904a93..1456b01 100644 --- a/net/bluetooth/6lowpan.c +++ b/net/bluetooth/6lowpan.c @@ -80,6 +80,8 @@ struct lowpan_btle_dev { struct delayed_work notify_peers; }; +static void set_addr(u8 *eui, u8 *addr, u8 addr_type); + static inline struct lowpan_btle_dev * lowpan_btle_dev(const struct net_device *netdev) { @@ -272,9 +274,10 @@ static int give_skb_to_upper(struct sk_buff *skb, struct net_device *dev) static int iphc_decompress(struct sk_buff *skb, struct net_device *netdev, struct l2cap_chan *chan) { - const u8 *saddr, *daddr; + const u8 *saddr; struct lowpan_btle_dev *dev; struct lowpan_peer *peer; + unsigned char eui64_daddr[EUI64_ADDR_LEN]; dev = lowpan_btle_dev(netdev); @@ -285,9 +288,9 @@ static int iphc_decompress(struct sk_buff *skb, struct net_device *netdev, return -EINVAL; saddr = peer->eui64_addr; - daddr = dev->netdev->dev_addr; + set_addr(&eui64_daddr[0], chan->src.b, chan->src_type); - return lowpan_header_decompress(skb, netdev, daddr, saddr); + return lowpan_header_decompress(skb, netdev, &eui64_daddr, saddr); } static int recv_pkt(struct sk_buff *skb, struct net_device *dev, @@ -681,13 +684,6 @@ static void set_addr(u8 *eui, u8 *addr, u8 addr_type) BT_DBG("type %d addr %*phC", addr_type, 8, eui); } -static void set_dev_addr(struct net_device *netdev, bdaddr_t *addr, - u8 addr_type) -{ - netdev->addr_assign_type = NET_ADDR_PERM; - set_addr(netdev->dev_addr, addr->b, addr_type); -} - static void ifup(struct net_device *netdev) { int err; @@ -803,7 +799,8 @@ static int setup_netdev(struct l2cap_chan *chan, struct lowpan_btle_dev **dev) if (!netdev) return -ENOMEM; - set_dev_addr(netdev, &chan->src, chan->src_type); + netdev->addr_assign_type = NET_ADDR_PERM; + baswap((void *)netdev->dev_addr, &chan->src); netdev->netdev_ops = &netdev_ops; SET_NETDEV_DEV(netdev, &chan->conn->hcon->hdev->dev); -- 2.9.3