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: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-02 17:40 [PATCH RFC 00/14] shrink skb cb to 44 bytes Florian Westphal
2015-03-02 17:40 ` [PATCH RFC 01/14] net: gro: shrink napi_gro_cb to fit into hypothetical 44-byte sized skb cb Florian Westphal
2015-03-02 17:40 ` [PATCH RFC 02/14] net: sched: reduce qdisc size to 24 byte Florian Westphal
2015-03-02 17:40 ` [PATCH RFC 03/14] ipv6: use flag instead of u16 for hop in inet6_skb_parm Florian Westphal
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 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 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 17:40 ` [PATCH RFC 12/14] rxrpc: use 32bit jiffies on 64bit platforms, too Florian Westphal
2015-03-02 17:40 ` [PATCH RFC 13/14] net: tcp: don't assert sock_skb_cb_check_size Florian Westphal
2015-03-02 17:40 ` [PATCH RFC 14/14] net: introduce and use KERNEL_MAX_HEADER_PARSE_ADDRLEN Florian Westphal
2015-03-03 17:03 ` Willem de Bruijn
2015-03-03 17:11 ` Florian Westphal
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 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
-- strict thread matches above, loose matches on Subject: below --
2015-03-02 17:40 [PATCH RFC 10/14] dccp: keep failed options on stack Florian Westphal
2015-03-02 17:40 ` Florian Westphal
2015-03-02 17:40 [PATCH RFC 11/14] dccp: reduce size of dccp_skb_cb to 40 bytes Florian Westphal
2015-03-02 17:40 ` Florian Westphal
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=54F57C07.6010507@gmail.com \
--to=pontus.fuchs@gmail.com \
--cc=fw@strlen.de \
--cc=linux-wireless@vger.kernel.org \
--cc=netdev@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.