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From: Stephen Hemminger <stephen@networkplumber.org>
To: Francesco Mancino <francesco.mancino@tutus.se>
Cc: dev@dpdk.org
Subject: Re: [PATCH v7] net/tap: Allow jumbo frames
Date: Mon, 8 Aug 2022 08:03:23 -0700	[thread overview]
Message-ID: <20220808080323.53f303fe@hermes.local> (raw)
In-Reply-To: <b5d75b0a-6421-75a5-b7dc-b40597c91eef@tutus.se>

On Mon, 8 Aug 2022 16:49:44 +0200
Francesco Mancino <francesco.mancino@tutus.se> wrote:

> eth_dev_validate_mtu, introduced in 990912e676e, validates configured
> MTU plus overhead against max_rx_pktlen.
> Since TAP is a virtual device, it should support as big MTU as possible.
> 
> Signed-off-by: Francesco Mancino <francesco.mancino@tutus.se>
	dev_info->min_rx_bufsize = 0;


Thanks for your patience.

Since tap is built on top of an existing kernel network device a more
complete solution would be to query the kernel device to find out what
its MTU is. 

Acked-by: Stephen Hemminger <stephen@networkplumber.org>

  reply	other threads:[~2022-08-08 15:03 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-08-08  9:31 [PATCH] " Francesco Mancino
2022-08-08 14:41 ` Stephen Hemminger
2022-08-08 14:49 ` [PATCH v7] " Francesco Mancino
2022-08-08 15:03   ` Stephen Hemminger [this message]
2022-08-08 15:38     ` Francesco Mancino
2022-08-08 16:42       ` Stephen Hemminger
2022-08-09  7:57         ` Francesco Mancino
2023-01-19 14:50     ` Ferruh Yigit

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