netdev - Re: [PATCH] brcmfmac: drop Inter-Access Point Protocol packets by default

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Message-ID: <877eqe63kr.fsf@codeaurora.org>
Date:   Wed, 14 Mar 2018 18:10:12 +0200
From:   Kalle Valo <kvalo@...eaurora.org>
To:     Rafał Miłecki <rafal@...ecki.pl>
Cc:     Rafał Miłecki <zajec5@...il.com>,
        Arend van Spriel <arend.vanspriel@...adcom.com>,
        Franky Lin <franky.lin@...adcom.com>,
        Hante Meuleman <hante.meuleman@...adcom.com>,
        Chi-Hsien Lin <chi-hsien.lin@...ress.com>,
        Wright Feng <wright.feng@...ress.com>,
        Pieter-Paul Giesberts <pieter-paul.giesberts@...adcom.com>,
        James Hughes <james.hughes@...pberrypi.org>,
        linux-wireless@...r.kernel.org,
        brcm80211-dev-list.pdl@...adcom.com,
        brcm80211-dev-list@...ress.com, netdev@...r.kernel.org,
        Linus Lüssing <linus.luessing@...3.blue>,
        Felix Fietkau <nbd@....name>, bridge@...ts.linux-foundation.org
Subject: Re: [PATCH] brcmfmac: drop Inter-Access Point Protocol packets by default

Rafał Miłecki <rafal@...ecki.pl> writes:

>>> +	unsigned char *eth_data = skb_mac_header(skb) + ETH_HLEN;
>>> +#if !defined(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS)
>>
>> #ifndef?
>
> I followed what is used in the include/linux/etherdevice.h. Is that a
> good exceuse? Could it be there any some good reason for #if defined()?

Don't know, maybe just a matter of taste? But it would be nice to know
the background behind #ifdef vs #if defined(), never figured it out why
two different forms.

-- 
Kalle Valo