tcpdump mailing list archives
Re: Speed specific Link-Layer Header Types for USB 2.0
From: Guy Harris via tcpdump-workers <tcpdump-workers () lists tcpdump org>
Date: Mon, 9 May 2022 21:57:13 -0700
--- Begin Message --- From: Guy Harris <gharris () sonic net>
Date: Mon, 9 May 2022 21:57:13 -0700
On May 9, 2022, at 9:41 PM, Tomasz Moń <desowin () gmail com> wrote:On Mon, 2022-05-09 at 13:19 -0700, Guy Harris wrote:On May 9, 2022, at 1:02 PM, Tomasz Moń <desowin () gmail com> wrote:"Why this doesn't match all the documents on USB that I have read?".What is the "this" that wouldn't match?Packet Bytes as shown by Wireshark.OK, thet suggests that it's time to finally default to *NOT* showing metadata in the packet bytes pane of Wireshark and in hex dump data in tcpdump, as the only time its raw content is of interest is if you're debugging either 1) software that generates those headers or 2) software that dissects those headers. *That* will quite effectively prevent people from asking where that byte is defined in a USB spec, as that byte won't be there in the first place.Also Wireshark would have to show "USB Full/Low speed capture" section with only the single byte denoting full or low speed, followed by "USB Link Layer" (as shown currently for usbll captures).No, it wouldn't. It would just display that as an item in "USB Link Layer".
--- End Message ---
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- Re: Speed specific Link-Layer Header Types for USB 2.0, (continued)
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- Re: Speed specific Link-Layer Header Types for USB 2.0 Guy Harris via tcpdump-workers (May 08)
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- Re: Speed specific Link-Layer Header Types for USB 2.0 Tomasz Moń via tcpdump-workers (May 08)
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- Re: Speed specific Link-Layer Header Types for USB 2.0 Tomasz Moń via tcpdump-workers (May 09)
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- Re: Speed specific Link-Layer Header Types for USB 2.0 Tomasz Moń via tcpdump-workers (May 09)
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- Re: Speed specific Link-Layer Header Types for USB 2.0 Guy Harris via tcpdump-workers (May 09)
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- Re: Speed specific Link-Layer Header Types for USB 2.0 Tomasz Moń via tcpdump-workers (May 09)
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- Re: Speed specific Link-Layer Header Types for USB 2.0 Guy Harris via tcpdump-workers (May 09)
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- Re: Speed specific Link-Layer Header Types for USB 2.0 Tomasz Moń via tcpdump-workers (May 09)
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- Re: Speed specific Link-Layer Header Types for USB 2.0 Guy Harris via tcpdump-workers (May 09)
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- Re: Speed specific Link-Layer Header Types for USB 2.0 Tomasz Moń via tcpdump-workers (May 09)
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- Re: Speed specific Link-Layer Header Types for USB 2.0 Guy Harris via tcpdump-workers (May 09)
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- Re: Speed specific Link-Layer Header Types for USB 2.0 Tomasz Moń via tcpdump-workers (May 09)
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- Re: Speed specific Link-Layer Header Types for USB 2.0 Guy Harris via tcpdump-workers (May 09)
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- Re: Speed specific Link-Layer Header Types for USB 2.0 Guy Harris via tcpdump-workers (May 09)
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- Re: Speed specific Link-Layer Header Types for USB 2.0 Tomasz Moń via tcpdump-workers (May 09)
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- Re: Speed specific Link-Layer Header Types for USB 2.0 Guy Harris via tcpdump-workers (May 09)
- Re: Speed specific Link-Layer Header Types for USB 2.0 Tomasz Moń via tcpdump-workers (May 08)
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- Re: Speed specific Link-Layer Header Types for USB 2.0 Guy Harris via tcpdump-workers (May 09)
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- Re: Speed specific Link-Layer Header Types for USB 2.0 Tomasz Moń via tcpdump-workers (May 09)
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- Re: Speed specific Link-Layer Header Types for USB 2.0 Tomasz Moń via tcpdump-workers (May 09)
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- Re: Speed specific Link-Layer Header Types for USB 2.0 Guy Harris via tcpdump-workers (May 09)