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From: Wen Gong <wgong@codeaurora.org>
To: Johannes Berg <johannes@sipsolutions.net>
Cc: ath11k@lists.infradead.org, linux-wireless@vger.kernel.org
Subject: Re: [PATCH 9/9] mac80211: save transmit power envelope element and power constraint
Date: Fri, 13 Aug 2021 18:29:31 +0800	[thread overview]
Message-ID: <24bcb0c5da824f830f31328781c634b9@codeaurora.org> (raw)
In-Reply-To: <569d85aec8fecc836b5a6f9d40b53dff6e41c1b1.camel@sipsolutions.net>

On 2021-08-13 18:11, Johannes Berg wrote:
> On Fri, 2021-08-13 at 17:16 +0800, Wen Gong wrote:
>> 
>> yes, it should have some flag/logic to check whether it is BIGTK.
>> If you know it, you can tell me. :)
> 
> Uh, actually, we don't have a secure indication of BIGTK getting used
> until after the 4-way-HS.
> 
>> >
>> Yes, the lower driver also have the max power limit itself. If power
>> calulated
>> from the fake beacon is bigger than the max power limit, then it will 
>> be
>> ignored.
> 
> Right.
> 
>> >
>> The Transmit Power Envelope is not existed in the assoc response, it 
>> is
>> existed
>> in beacon. So it can not use assoc response.
> 
> Right.
> 
> 
> Given this discussion, I think we should just leave it as is, and 
> simply
> not assume that the TPE is protected by beacon protection or such. 
> There
> are a number of other similar parameters, and doing some real 
> protection
> at this level would likely require further spec changes.
> 
Thanks.
I will leave it as is without change for BIGTK.
I will change others patch and send new version.
> johannes

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WARNING: multiple messages have this Message-ID (diff)
From: Wen Gong <wgong@codeaurora.org>
To: Johannes Berg <johannes@sipsolutions.net>
Cc: ath11k@lists.infradead.org, linux-wireless@vger.kernel.org
Subject: Re: [PATCH 9/9] mac80211: save transmit power envelope element and power constraint
Date: Fri, 13 Aug 2021 18:29:31 +0800	[thread overview]
Message-ID: <24bcb0c5da824f830f31328781c634b9@codeaurora.org> (raw)
In-Reply-To: <569d85aec8fecc836b5a6f9d40b53dff6e41c1b1.camel@sipsolutions.net>

On 2021-08-13 18:11, Johannes Berg wrote:
> On Fri, 2021-08-13 at 17:16 +0800, Wen Gong wrote:
>> 
>> yes, it should have some flag/logic to check whether it is BIGTK.
>> If you know it, you can tell me. :)
> 
> Uh, actually, we don't have a secure indication of BIGTK getting used
> until after the 4-way-HS.
> 
>> >
>> Yes, the lower driver also have the max power limit itself. If power
>> calulated
>> from the fake beacon is bigger than the max power limit, then it will 
>> be
>> ignored.
> 
> Right.
> 
>> >
>> The Transmit Power Envelope is not existed in the assoc response, it 
>> is
>> existed
>> in beacon. So it can not use assoc response.
> 
> Right.
> 
> 
> Given this discussion, I think we should just leave it as is, and 
> simply
> not assume that the TPE is protected by beacon protection or such. 
> There
> are a number of other similar parameters, and doing some real 
> protection
> at this level would likely require further spec changes.
> 
Thanks.
I will leave it as is without change for BIGTK.
I will change others patch and send new version.
> johannes

  reply	other threads:[~2021-08-13 10:29 UTC|newest]

Thread overview: 70+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-17 20:19 [PATCH 0/9] cfg80211/mac80211: Add support for 6GHZ STA for various modes : LPI, SP and VLP Wen Gong
2021-05-17 20:19 ` Wen Gong
2021-05-17 20:19 ` [PATCH 1/9] cfg80211: add power type definition for 6G Hz Wen Gong
2021-05-17 20:19   ` Wen Gong
2021-07-23  9:22   ` Johannes Berg
2021-07-23  9:22     ` Johannes Berg
2021-05-17 20:19 ` [PATCH 2/9] mac80211: add definition of regulatory info in 6G Hz operation information Wen Gong
2021-05-17 20:19   ` Wen Gong
2021-05-17 20:19 ` [PATCH 3/9] mac80211: add parse " Wen Gong
2021-05-17 20:19   ` Wen Gong
2021-07-23  9:23   ` Johannes Berg
2021-07-23  9:23     ` Johannes Berg
2021-05-17 20:19 ` [PATCH 4/9] cfg80211: add definition for 6G power spectral density(psd) Wen Gong
2021-05-17 20:19   ` Wen Gong
2021-07-23  9:24   ` Johannes Berg
2021-07-23  9:24     ` Johannes Berg
2021-07-30 10:00     ` Wen Gong
2021-07-30 10:00       ` Wen Gong
2021-05-17 20:19 ` [PATCH 5/9] cfg80211: save power spectral density(psd) of regulatory rule Wen Gong
2021-05-17 20:19   ` Wen Gong
2021-07-23  9:27   ` Johannes Berg
2021-07-23  9:27     ` Johannes Berg
2021-07-30 10:06     ` Wen Gong
2021-07-30 10:06       ` Wen Gong
2021-05-17 20:19 ` [PATCH 6/9] mac80211: add definition for transmit power envelope element Wen Gong
2021-05-17 20:19   ` Wen Gong
2021-07-23  9:29   ` Johannes Berg
2021-07-23  9:29     ` Johannes Berg
2021-07-23  9:31   ` Johannes Berg
2021-07-23  9:31     ` Johannes Berg
2021-07-30 10:27     ` Wen Gong
2021-07-30 10:27       ` Wen Gong
2021-05-17 20:19 ` [PATCH 7/9] mac80211: add parse " Wen Gong
2021-05-17 20:19   ` Wen Gong
2021-07-23  9:33   ` Johannes Berg
2021-07-23  9:33     ` Johannes Berg
2021-07-30 10:16     ` Wen Gong
2021-07-30 10:16       ` Wen Gong
2021-05-17 20:19 ` [PATCH 8/9] mac80211: add transmit power envelope element and power constraint in bss_conf Wen Gong
2021-05-17 20:19   ` Wen Gong
2021-07-23  9:33   ` Johannes Berg
2021-07-23  9:33     ` Johannes Berg
2021-05-17 20:19 ` [PATCH 9/9] mac80211: save transmit power envelope element and power constraint Wen Gong
2021-05-17 20:19   ` Wen Gong
2021-07-23  9:38   ` Johannes Berg
2021-07-23  9:38     ` Johannes Berg
2021-07-30 10:47     ` Wen Gong
2021-07-30 10:47       ` Wen Gong
2021-08-03  8:53       ` Wen Gong
2021-08-03  8:53         ` Wen Gong
2021-08-13  7:19       ` Johannes Berg
2021-08-13  7:19         ` Johannes Berg
2021-08-13  7:25         ` Johannes Berg
2021-08-13  7:25           ` Johannes Berg
2021-08-13  8:47           ` Wen Gong
2021-08-13  8:47             ` Wen Gong
2021-08-13  8:53             ` Johannes Berg
2021-08-13  8:53               ` Johannes Berg
2021-08-13  9:16               ` Wen Gong
2021-08-13  9:16                 ` Wen Gong
2021-08-13 10:11                 ` Johannes Berg
2021-08-13 10:11                   ` Johannes Berg
2021-08-13 10:29                   ` Wen Gong [this message]
2021-08-13 10:29                     ` Wen Gong
2021-08-13  8:13         ` Wen Gong
2021-08-13  8:13           ` Wen Gong
2021-05-25 10:04 ` [PATCH 0/9] cfg80211/mac80211: Add support for 6GHZ STA for various modes : LPI, SP and VLP Wen Gong
2021-05-25 10:04   ` Wen Gong
2021-06-15  8:52   ` Wen Gong
2021-06-15  8:52     ` Wen Gong

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