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From: Ferruh Yigit <ferruh.yigit@intel.com>
To: Thomas Monjalon <thomas@monjalon.net>, dev@dpdk.org
Cc: david.marchand@redhat.com, olivier.matz@6wind.com,
	andrew.rybchenko@oktetlabs.ru, lance.richardson@broadcom.com,
	maxime.coquelin@redhat.com, stable@dpdk.org,
	Wenzhuo Lu <wenzhuo.lu@intel.com>,
	Beilei Xing <beilei.xing@intel.com>,
	Bernard Iremonger <bernard.iremonger@intel.com>,
	Steve Yang <stevex.yang@intel.com>
Subject: Re: [dpdk-stable] [PATCH 1/1] app/testpmd: revert max Rx packet length adjustment
Date: Thu, 5 Nov 2020 18:11:44 +0000
Message-ID: <bced796c-1441-93a9-ea17-4400a2424ef1@intel.com> (raw)
In-Reply-To: <20201105174424.4131345-1-thomas@monjalon.net>

On 11/5/2020 5:44 PM, Thomas Monjalon wrote:
> The fix of max_rx_pkt_len for allowing VLAN packets in all cases
> was breaking configuration of some drivers. Example with virtio:
> 
> 	Ethdev port_id=0 max_rx_pkt_len 11229 > max valid value 9728
> 	Fail to configure port 0
> 
> Trying to fix the logic was revealing other issues in some drivers.
> That's why it is decided to revert.
> 
> The workaround for the original issue would be
> to set the MTU explicitly from the application
> with rte_eth_dev_set_mtu().
> 

Sent this option as RFC:
https://patches.dpdk.org/patch/83756/

> Fixes: f6870a7ed6b3 ("app/testpmd: fix max Rx packet length for VLAN packet")
> Cc: stable@dpdk.org
> 
> Reported-by: Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>
> Signed-off-by: Thomas Monjalon <thomas@monjalon.net>
Acked-by: Ferruh Yigit <ferruh.yigit@intel.com>

  parent reply	other threads:[~2020-11-05 18:11 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <4da07e46-cf17-57ac-c38d-aa82aacc895e@intel.com>
2020-11-05 17:44 ` Thomas Monjalon
2020-11-05 18:02   ` Lance Richardson
2020-11-05 18:11   ` Ferruh Yigit [this message]
2020-11-05 18:18     ` Thomas Monjalon

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