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[2.200.173.220]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-a99102a998esm193869466b.94.2024.10.04.01.47.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 04 Oct 2024 01:47:23 -0700 (PDT) From: Jonas Gorski Date: Fri, 04 Oct 2024 10:47:20 +0200 Subject: [PATCH 4/5] net: dsa: b53: allow lower MTUs on BCM5325/5365 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20241004-b53_jumbo_fixes-v1-4-ce1e54aa7b3c@gmail.com> References: <20241004-b53_jumbo_fixes-v1-0-ce1e54aa7b3c@gmail.com> In-Reply-To: <20241004-b53_jumbo_fixes-v1-0-ce1e54aa7b3c@gmail.com> To: Florian Fainelli , Andrew Lunn , Vladimir Oltean , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Murali Krishna Policharla , Russell King Cc: Florian Fainelli , Vladimir Oltean , netdev@vger.kernel.org, linux-kernel@vger.kernel.org X-Mailer: b4 0.14.2 X-Patchwork-Delegate: kuba@kernel.org While BCM5325/5365 do not support jumbo frames, they do support slightly oversized frames, so do not error out if requesting a supported MTU for them. Fixes: 6ae5834b983a ("net: dsa: b53: add MTU configuration support") Signed-off-by: Jonas Gorski Reviewed-by: Florian Fainelli --- drivers/net/dsa/b53/b53_common.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_common.c index e8b20bfa8b83ea7ac643bd5d005e2983747bd478..5b83f9b6cdac3de6c5e6e2164c78146d694674cd 100644 --- a/drivers/net/dsa/b53/b53_common.c +++ b/drivers/net/dsa/b53/b53_common.c @@ -2258,7 +2258,7 @@ static int b53_change_mtu(struct dsa_switch *ds, int port, int mtu) bool allow_10_100; if (is5325(dev) || is5365(dev)) - return -EOPNOTSUPP; + return 0; if (!dsa_is_cpu_port(ds, port)) return 0;