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From: Johannes Berg <johannes@sipsolutions.net>
To: linux-wireless@vger.kernel.org, netdev@vger.kernel.org
Subject: Re: [RFC 3/3] mac80211: support bpf monitor filter
Date: Wed, 12 Apr 2017 16:29:07 +0200	[thread overview]
Message-ID: <1492007347.2855.12.camel@sipsolutions.net> (raw)
In-Reply-To: <20170412110726.9689-3-johannes@sipsolutions.net> (sfid-20170412_130907_870638_0C9870E2)

On Wed, 2017-04-12 at 13:07 +0200, Johannes Berg wrote:
> 
>  struct ieee80211_if_mntr {
>  	u32 flags;
> 
[...]
+	bool deliver;

That's ... broken for multi-queue RX. I haven't really found a good
other way to do it. The best way will likely be to copy the SKB the
first time it's needed, build the radiotap header, and then keep a
reference to it to be able to clone it later if it's needed again.

johannes

  reply	other threads:[~2017-04-12 14:29 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-04-12 11:07 [RFC 1/3] bpf/wireless: add wifimon program type Johannes Berg
2017-04-12 11:07 ` [RFC 2/3] cfg80211: add API to attach monitor filter program Johannes Berg
2017-04-12 11:07 ` [RFC 3/3] mac80211: support bpf monitor filter Johannes Berg
2017-04-12 14:29   ` Johannes Berg [this message]
2017-04-12 15:22     ` David Miller
2017-04-12 15:25       ` Johannes Berg
2017-04-13  6:00   ` Johannes Berg
2017-04-12 14:27 ` [RFC 1/3] bpf/wireless: add wifimon program type Johannes Berg
2017-04-12 15:19   ` David Miller
2017-04-12 15:30     ` Johannes Berg
2017-04-14 18:51       ` Alexei Starovoitov
2017-04-18  9:55         ` Johannes Berg
2017-04-18 10:58           ` Daniel Borkmann
2017-04-18 11:28             ` Johannes Berg
2017-04-18 11:35               ` Johannes Berg
2017-04-12 19:47 ` Marcel Holtmann

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