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Message-ID: <20231102103123.hklqlsbb5kbq53mm@skbuf> Date: Thu, 2 Nov 2023 12:31:23 +0200 From: Vladimir Oltean <olteanv@...il.com> To: Luiz Angelo Daros de Luca <luizluca@...il.com> Cc: Linus Walleij <linus.walleij@...aro.org>, Andrew Lunn <andrew@...n.ch>, Florian Fainelli <f.fainelli@...il.com>, "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, netdev@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH net v2] net: dsa: tag_rtl4_a: Bump min packet size Hi Luiz, On Wed, Nov 01, 2023 at 09:35:30AM -0300, Luiz Angelo Daros de Luca wrote: > Hi Linus, > > Sorry but I noticed no issues: > > From the router: > > No. Time Source Destination Protocol Length Info > 1 0.000000000 192.168.1.1 192.168.1.2 ICMP 1514 Echo (ping) request id=0x0789, seq=23/5888, ttl=64 (reply in 2) > 2 0.000040094 192.168.1.2 192.168.1.1 ICMP 1514 Echo (ping) reply id=0x0789, seq=23/5888, ttl=64 (request in 1) > > From the host: > > No. Time Source Destination Protocol Length Info > 1 0.000000000 192.168.1.2 192.168.1.1 ICMP 1514 Echo (ping) request id=0x0002, seq=8/2048, ttl=64 (reply in 2) > 2 0.000391800 192.168.1.1 192.168.1.2 ICMP 1514 Echo (ping) reply id=0x0002, seq=8/2048, ttl=64 (request in 1) > > If I go over that limit, it fragments the packet as expected. Could you run the shell command that sweeps over the entire range, fromhere? https://lore.kernel.org/netdev/20231030222035.oqos7v7sdq5u6mti@skbuf/
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