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net: dsa: b53: allow lower MTUs on BCM5325/5365
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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: 6ae5834 ("net: dsa: b53: add MTU configuration support")
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Jonas Gorski authored and Paolo Abeni committed Oct 8, 2024
1 parent ca8c1f7 commit e4b294f
Showing 1 changed file with 1 addition and 1 deletion.
2 changes: 1 addition & 1 deletion drivers/net/dsa/b53/b53_common.c
Original file line number Diff line number Diff line change
Expand Up @@ -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;
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