linux-kernel - RE: [EXT] Re: [PATCH v7 02/12] wifi: mwifiex: fixed group rekey issue for WPA3.

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Date:   Fri, 1 Dec 2023 23:18:46 +0000
From:   David Lin <yu-hao.lin@....com>
To:     Jeff Johnson <quic_jjohnson@...cinc.com>,
        Francesco Dolcini <francesco@...cini.it>
CC:     "linux-wireless@...r.kernel.org" <linux-wireless@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "briannorris@...omium.org" <briannorris@...omium.org>,
        "kvalo@...nel.org" <kvalo@...nel.org>,
        Pete Hsieh <tsung-hsien.hsieh@....com>
Subject: RE: [EXT] Re: [PATCH v7 02/12] wifi: mwifiex: fixed group rekey issue
 for WPA3.

> From: Jeff Johnson <quic_jjohnson@...cinc.com>
> Sent: Friday, December 1, 2023 11:05 PM
> To: Francesco Dolcini <francesco@...cini.it>; David Lin
> <yu-hao.lin@....com>
> Cc: linux-wireless@...r.kernel.org; linux-kernel@...r.kernel.org;
> briannorris@...omium.org; kvalo@...nel.org; Pete Hsieh
> <tsung-hsien.hsieh@....com>
> Subject: [EXT] Re: [PATCH v7 02/12] wifi: mwifiex: fixed group rekey issue for
> WPA3.
> 
> Caution: This is an external email. Please take care when clicking links or
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> 
> 
> On 12/1/2023 2:15 AM, Francesco Dolcini wrote:
> > On Tue, Nov 28, 2023 at 04:31:05PM +0800, David Lin wrote:
> 
> >> diff --git a/drivers/net/wireless/marvell/mwifiex/main.c
> >> b/drivers/net/wireless/marvell/mwifiex/main.c
> >> index d99127dc466e..3bebb6c37604 100644
> >> --- a/drivers/net/wireless/marvell/mwifiex/main.c
> >> +++ b/drivers/net/wireless/marvell/mwifiex/main.c
> >> @@ -802,6 +802,10 @@ mwifiex_bypass_tx_queue(struct
> mwifiex_private *priv,
> >>                          "bypass txqueue; eth type %#x, mgmt
> %d\n",
> >>                           ntohs(eth_hdr->h_proto),
> >>                           mwifiex_is_skb_mgmt_frame(skb));
> >> +            if (ntohs(eth_hdr->h_proto) == ETH_P_PAE)
> >> +                    mwifiex_dbg(priv->adapter, MSG,
> >> +                                "key: send EAPOL to %pM\n",
> >> +                                eth_hdr->h_dest);
> >
> > this is just debug code, at a first glance not sure i
> 
> not only that, the usual pattern is:
> if (eth_hdr->h_proto == htons(ETH_P_PAE))
> 
> you want to do endian conversion on a constant when possible since that is
> a compile-time conversion and not a runtime conversion

Thanks. I will fix it for next patch.