From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tony Cheneau Subject: [PATCH v2 net-next 10/12] 6lowpan: obtain IEEE802.15.4 sequence number from the MAC layer Date: Mon, 25 Mar 2013 23:59:30 -0400 Message-ID: <1364270372-19430-11-git-send-email-tony.cheneau@amnesiak.org> References: <1364270372-19430-1-git-send-email-tony.cheneau@amnesiak.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-zigbee-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org, Alan Ott To: "David S. Miller" , Eric Dumazet Return-path: In-Reply-To: <1364270372-19430-1-git-send-email-tony.cheneau-jNfjcPZKvDhg9hUCZPvPmw@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linux-zigbee-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: netdev.vger.kernel.org Sets the sequence number in the frame format. Without this fix, the sequence number is always set to 0. This makes trafic analysis very hard. Signed-off-by: Tony Cheneau --- net/ieee802154/6lowpan.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/net/ieee802154/6lowpan.c b/net/ieee802154/6lowpan.c index f952451..d1d4ee6 100644 --- a/net/ieee802154/6lowpan.c +++ b/net/ieee802154/6lowpan.c @@ -573,6 +573,7 @@ static int lowpan_header_create(struct sk_buff *skb, */ { mac_cb(skb)->flags = IEEE802154_FC_TYPE_DATA; + mac_cb(skb)->seq = ieee802154_mlme_ops(dev)->get_dsn(dev); /* prepare wpan address data */ sa.addr_type = IEEE802154_ADDR_LONG; @@ -1127,6 +1128,12 @@ static u16 lowpan_get_short_addr(const struct net_device *dev) return ieee802154_mlme_ops(real_dev)->get_short_addr(real_dev); } +static u8 lowpan_get_dsn(const struct net_device *dev) +{ + struct net_device *real_dev = lowpan_dev_info(dev)->real_dev; + return ieee802154_mlme_ops(real_dev)->get_dsn(real_dev); +} + static struct header_ops lowpan_header_ops = { .create = lowpan_header_create, }; @@ -1140,6 +1147,7 @@ static struct ieee802154_mlme_ops lowpan_mlme = { .get_pan_id = lowpan_get_pan_id, .get_phy = lowpan_get_phy, .get_short_addr = lowpan_get_short_addr, + .get_dsn = lowpan_get_dsn, }; static void lowpan_setup(struct net_device *dev) -- 1.7.12.4 ------------------------------------------------------------------------------ Own the Future-Intel® Level Up Game Demo Contest 2013 Rise to greatness in Intel's independent game demo contest. Compete for recognition, cash, and the chance to get your game on Steam. $5K grand prize plus 10 genre and skill prizes. Submit your demo by 6/6/13. http://p.sf.net/sfu/intel_levelupd2d