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From: Marek Lindner <lindner_marek@yahoo.de>
To: b.a.t.m.a.n@lists.open-mesh.org
Cc: Marek Lindner <lindner_marek@yahoo.de>
Subject: [B.A.T.M.A.N.] [PATCH 3/8] batman-adv: randomize initial seqno to avoid collision
Date: Tue,  7 Feb 2012 17:20:46 +0800	[thread overview]
Message-ID: <1328606451-3418-2-git-send-email-lindner_marek@yahoo.de> (raw)
In-Reply-To: <1328606451-3418-1-git-send-email-lindner_marek@yahoo.de>

Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
---
 bat_iv_ogm.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/bat_iv_ogm.c b/bat_iv_ogm.c
index 3eff7f0..4ac2d1d 100644
--- a/bat_iv_ogm.c
+++ b/bat_iv_ogm.c
@@ -33,6 +33,11 @@
 static void bat_iv_ogm_iface_enable(struct hard_iface *hard_iface)
 {
 	struct batman_ogm_packet *batman_ogm_packet;
+	unsigned long random_seqno;
+
+	/* randomize initial seqno to avoid collision */
+	get_random_bytes(&random_seqno, sizeof(unsigned long));
+	atomic_set(&hard_iface->seqno, (uint32_t)random_seqno);
 
 	hard_iface->packet_len = BATMAN_OGM_LEN;
 	hard_iface->packet_buff = kmalloc(hard_iface->packet_len, GFP_ATOMIC);
-- 
1.7.5.4


  reply	other threads:[~2012-02-07  9:20 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-02-07  9:19 [B.A.T.M.A.N.] B.A.T.M.A.N. V - the next steps Marek Lindner
2012-02-07  9:19 ` [B.A.T.M.A.N.] [PATCH 1/8] batman-adv: move ogm initialization into the proper function Marek Lindner
2012-02-12 14:57   ` Marek Lindner
2012-02-07  9:20 ` [B.A.T.M.A.N.] [PATCH 2/8] batman-adv: refactoring API: find generalized name for bat_ogm_init callback Marek Lindner
2012-02-07  9:20   ` Marek Lindner [this message]
2012-02-07  9:33     ` [B.A.T.M.A.N.] [PATCH 3/8] batman-adv: randomize initial seqno to avoid collision Martin Hundebøll
2012-02-07 11:10       ` Marek Lindner
2012-02-07 11:13         ` Martin Hundebøll
2012-02-07 11:50           ` Marek Lindner
2012-02-07 12:12     ` Andrew Lunn
2012-02-07 12:21       ` Marek Lindner
2012-02-07 12:46         ` Andrew Lunn
2012-02-12 15:01     ` Marek Lindner
2012-02-07  9:20   ` [B.A.T.M.A.N.] [PATCH 4/8] batman-adv: add iface_disable() callback to routing API Marek Lindner
2012-02-12 15:02     ` Marek Lindner
2012-02-07  9:20   ` [B.A.T.M.A.N.] [PATCH 5/8] batman-adv: handle routing code initialization properly Marek Lindner
2012-02-12 15:04     ` Marek Lindner
2012-02-07  9:20   ` [B.A.T.M.A.N.] [PATCH 6/8] batman-adv: refactoring API: find generalized name for bat_ogm_init_primary callback Marek Lindner
2012-02-12 15:08     ` Marek Lindner
2012-02-07  9:20   ` [B.A.T.M.A.N.] [PATCH 7/8] batman-adv: rename BATMAN_OGM_LEN to BATMAN_OGM_HLEN Marek Lindner
2012-02-12 15:09     ` Marek Lindner
2012-02-07  9:20   ` [B.A.T.M.A.N.] [PATCH 8/8] batman-adv: mark existing ogm variables as batman iv Marek Lindner
2012-02-12 15:11     ` Marek Lindner
2012-02-12 14:58   ` [B.A.T.M.A.N.] [PATCH 2/8] batman-adv: refactoring API: find generalized name for bat_ogm_init callback Marek Lindner

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