From: Pontus Fuchs <pontus.fuchs@gmail.com>
To: Florian Westphal <fw@strlen.de>, netdev@vger.kernel.org
Cc: linux-wireless@vger.kernel.org
Subject: Re: [PATCH RFC 05/14] drivers: wireless: ar5523: use container_of
Date: Tue, 03 Mar 2015 10:16:55 +0100 [thread overview]
Message-ID: <54F57C07.6010507@gmail.com> (raw)
In-Reply-To: <1425318028-26531-6-git-send-email-fw@strlen.de>
On 2015-03-02 18:40, Florian Westphal wrote:
> Compile tested only due to lack of hw.
>
> If we want to shrink skb->cb then we'd have to see about
> reducing struct ieee80211_tx_info, which gets embedded inside
> skb->cb[].
>
> It provides a scratch space to be used by wireless drivers.
> ar5523 uses the maximum space available today (40 bytes), but it seems
> we don't need this -- data->skb pointer seems to always point back to the
> skb whose cb buffer the data structure resides, iow, given a pointer to the
> embedded control buffer we can infer the skb address.
>
> Cc: linux-wireless@vger.kernel.org
> Signed-off-by: Florian Westphal <fw@strlen.de>
Tested-by: Pontus Fuchs <pontus.fuchs@gmail.com>
next prev parent reply other threads:[~2015-03-03 9:16 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1425318028-26531-1-git-send-email-fw@strlen.de>
2015-03-02 17:40 ` [PATCH RFC 04/14] drivers: wireless: rt2x00: move skb_dma to queue entry Florian Westphal
2015-03-02 17:40 ` [PATCH RFC 05/14] drivers: wireless: ar5523: use container_of Florian Westphal
2015-03-03 9:16 ` Pontus Fuchs [this message]
2015-03-02 17:40 ` [PATCH RFC 06/14] drivers: wireless: carl9170: shrink carl9170_tx_info Florian Westphal
2015-03-02 17:40 ` [PATCH RFC 07/14] net: wireless: iwlwifi: shrink status private area Florian Westphal
2015-03-02 17:40 ` [PATCH RFC 08/14] net: wireless: mac80211: shrink ieee80211_tx_info Florian Westphal
2015-03-02 18:53 ` Johannes Berg
2015-03-02 19:03 ` Florian Westphal
2015-03-02 19:18 ` Johannes Berg
2015-03-02 19:30 ` Florian Westphal
2015-03-02 17:40 ` [PATCH RFC 09/14] net: wireless: mac80211: shrink private driver area Florian Westphal
2015-03-02 18:52 ` Johannes Berg
2015-03-02 19:49 ` [PATCH RFC 00/14] shrink skb cb to 44 bytes Eric Dumazet
2015-03-02 20:42 ` Florian Westphal
2015-03-02 21:56 ` Eric Dumazet
2015-03-02 22:17 ` David Miller
2015-03-03 4:02 ` Eric Dumazet
2015-03-03 4:05 ` David Miller
2015-03-03 11:43 ` Florian Westphal
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