From: Andrew Lunn <andrew@lunn.ch>
To: The list for a Better Approach To Mobile Ad-hoc Networking
<b.a.t.m.a.n@lists.open-mesh.org>
Subject: Re: [B.A.T.M.A.N.] [RFC 07/23] batman-adv: OGMv2 - add basic infrastructure
Date: Wed, 12 Feb 2014 08:44:22 +0100 [thread overview]
Message-ID: <20140212074422.GB30814@lunn.ch> (raw)
In-Reply-To: <52FA6347.2050901@meshcoding.com>
> >> + bat_priv->bat_v.ogm_buff_len = BATADV_OGM2_HLEN;
> >> + ogm_buff = kmalloc(bat_priv->bat_v.ogm_buff_len, GFP_ATOMIC);
> >
> > Maybe use kzalloc to ensure it is zero?
>
> Not really needed because each field is explicitly assigned later. But
> to be sure we sit on the safe side we can do that: in the end we are not
> in the fastpath here.
I know some of your structures have explicit align bytes. It would be
good to ensure they are zero so that they could be used in the future
without having a protocol version bump. So i think it is a good
patterns to follow in general when not on the fast path.
Andrew
next prev parent reply other threads:[~2014-02-12 7:44 UTC|newest]
Thread overview: 68+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-11 12:48 [B.A.T.M.A.N.] [RFC 00/23] Introducing a new routing protocol: B.A.T.M.A.N. V Antonio Quartulli
2014-02-11 12:48 ` [B.A.T.M.A.N.] [RFC 01/23] batman-adv: invoke ogm_schedule() only when the interface is activated Antonio Quartulli
2014-02-11 12:48 ` [B.A.T.M.A.N.] [RFC 02/23] batman-adv: Add hard_iface specific sysfs wrapper macros for UINT Antonio Quartulli
2014-02-11 12:48 ` [B.A.T.M.A.N.] [RFC 03/23] batman-adv: ELP - adding basic infrastructure Antonio Quartulli
2014-02-11 12:48 ` [B.A.T.M.A.N.] [RFC 04/23] batman-adv: ELP - creating neighbor structures Antonio Quartulli
2014-02-11 15:32 ` Andrew Lunn
2014-02-11 16:02 ` Antonio Quartulli
2014-02-11 16:11 ` Lew Pitcher
2014-02-11 16:26 ` Antonio Quartulli
2014-02-11 12:48 ` [B.A.T.M.A.N.] [RFC 05/23] batman-adv: ELP - exporting neighbor list via debugfs Antonio Quartulli
2014-02-11 12:48 ` [B.A.T.M.A.N.] [RFC 06/23] batman-adv: ELP - adding sysfs parameter for elp interval Antonio Quartulli
2014-02-11 16:59 ` Andrew Lunn
2014-02-11 17:08 ` Antonio Quartulli
2014-02-11 12:48 ` [B.A.T.M.A.N.] [RFC 07/23] batman-adv: OGMv2 - add basic infrastructure Antonio Quartulli
2014-02-11 17:12 ` Andrew Lunn
2014-02-11 17:52 ` Antonio Quartulli
2014-02-12 7:44 ` Andrew Lunn [this message]
2014-02-12 7:58 ` Antonio Quartulli
2014-02-11 12:48 ` [B.A.T.M.A.N.] [RFC 08/23] batman-adv: OGMv2 - implement originators logic Antonio Quartulli
2014-02-11 17:22 ` Andrew Lunn
2014-02-11 17:30 ` Antonio Quartulli
2014-02-11 12:48 ` [B.A.T.M.A.N.] [RFC 09/23] batman-adv: OGMv2 - purge obsolete potential routers Antonio Quartulli
2014-02-11 12:48 ` [B.A.T.M.A.N.] [RFC 10/23] batman-adv: split name from variable for uint mesh attributes Antonio Quartulli
2014-02-11 12:48 ` [B.A.T.M.A.N.] [RFC 11/23] batman-adv: add throughput attribute to hard_ifaces Antonio Quartulli
2014-02-12 8:42 ` Andrew Lunn
2014-02-11 12:48 ` [B.A.T.M.A.N.] [RFC 12/23] batman-adv: add base throughput attribute Antonio Quartulli
2014-02-12 8:40 ` Andrew Lunn
2014-02-12 12:20 ` Antonio Quartulli
2014-02-13 9:36 ` Andrew Lunn
2014-02-13 9:53 ` Antonio Quartulli
2014-02-13 9:57 ` Andrew Lunn
2014-02-11 12:48 ` [B.A.T.M.A.N.] [RFC 13/23] batman-adv: add last_unicast_tx to struct neigh_node_elp Antonio Quartulli
2014-02-12 8:49 ` Andrew Lunn
2014-02-12 12:25 ` Antonio Quartulli
2014-02-11 12:48 ` [B.A.T.M.A.N.] [RFC 14/23] batman-adv: ELP - compute the metric based on the estimated throughput Antonio Quartulli
2014-02-12 8:58 ` Andrew Lunn
2014-02-12 12:27 ` Antonio Quartulli
2014-02-12 15:44 ` Antonio Quartulli
2014-02-13 9:45 ` Andrew Lunn
2014-02-13 9:46 ` Antonio Quartulli
2014-02-11 12:48 ` [B.A.T.M.A.N.] [RFC 15/23] batman-adv: ELP - send unicast ELP packets for throughput sampling Antonio Quartulli
2014-02-12 9:12 ` Andrew Lunn
2014-02-12 12:12 ` Antonio Quartulli
2014-02-12 12:54 ` Felix Fietkau
2014-02-12 12:56 ` Antonio Quartulli
2014-02-12 13:02 ` Antonio Quartulli
2014-02-13 9:55 ` Andrew Lunn
2014-02-13 10:02 ` Antonio Quartulli
2014-02-13 10:09 ` Andrew Lunn
2014-02-13 10:13 ` Antonio Quartulli
2014-02-11 12:48 ` [B.A.T.M.A.N.] [RFC 16/23] batman-adv: ELP - read estimated throughput from cfg80211 Antonio Quartulli
2014-02-11 12:48 ` [B.A.T.M.A.N.] [RFC 17/23] batman-adv: ELP - implement dead neigh node detection Antonio Quartulli
2014-02-11 12:48 ` [B.A.T.M.A.N.] [RFC 18/23] batman-adv: ELP - use phydev to determine link characteristics Antonio Quartulli
2014-02-13 8:17 ` Antonio Quartulli
2014-02-13 8:19 ` Antonio Quartulli
2014-02-13 10:52 ` Andrew Lunn
2014-02-13 11:02 ` Antonio Quartulli
2014-02-13 11:44 ` Andrew Lunn
2014-02-14 8:24 ` Antonio Quartulli
2014-02-14 17:38 ` Andrew Lunn
2014-02-14 17:46 ` Antonio Quartulli
2014-02-14 18:18 ` Andrew Lunn
2014-02-14 19:18 ` Antonio Quartulli
2014-02-11 12:48 ` [B.A.T.M.A.N.] [RFC 19/23] batman-adv: add bat_neigh_free() API Antonio Quartulli
2014-02-11 12:48 ` [B.A.T.M.A.N.] [RFC 20/23] batman-adv: B.A.T.M.A.N. V - implement " Antonio Quartulli
2014-02-11 12:48 ` [B.A.T.M.A.N.] [RFC 21/23] batman-adv: B.A.T.M.A.N. V - implement neigh_is_equiv_or_better API Antonio Quartulli
2014-02-11 12:48 ` [B.A.T.M.A.N.] [RFC 22/23] batman-adv: B.A.T.M.A.N. V - implement bat_neigh_cmp API Antonio Quartulli
2014-02-11 12:48 ` [B.A.T.M.A.N.] [RFC 23/23] batman-adv: B.A.T.M.A.N. V - implement bat_orig_print API Antonio Quartulli
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