* [PATCH v4] net: ethernet: mtk_eth_soc: fix MTU warnings
@ 2020-07-29 8:15 Frank Wunderlich
2020-07-30 23:56 ` David Miller
0 siblings, 1 reply; 3+ messages in thread
From: Frank Wunderlich @ 2020-07-29 8:15 UTC (permalink / raw)
To: linux-mediatek
Cc: Landen Chao, Felix Fietkau, John Crispin, Sean Wang, Mark Lee,
David S. Miller, Jakub Kicinski, Matthias Brugger, netdev,
linux-arm-kernel, linux-kernel, Frank Wunderlich, Andrew Lunn
From: Landen Chao <landen.chao@mediatek.com>
in recent kernel versions there are warnings about incorrect MTU size
like these:
eth0: mtu greater than device maximum
mtk_soc_eth 1b100000.ethernet eth0: error -22 setting MTU to include DSA overhead
Fixes: bfcb813203e6 ("net: dsa: configure the MTU for switch ports")
Fixes: 72579e14a1d3 ("net: dsa: don't fail to probe if we couldn't set the MTU")
Fixes: 7a4c53bee332 ("net: report invalid mtu value via netlink extack")
Signed-off-by: Landen Chao <landen.chao@mediatek.com>
Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
---
v3->v4
- fix commit-message (hyphernations,capitalisation) as suggested by Russell
- add Signed-off-by Landen
- dropped wrong signed-off from rene (because previous v1/2 was from him)
---
drivers/net/ethernet/mediatek/mtk_eth_soc.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
index 85735d32ecb0..a1c45b39a230 100644
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -2891,6 +2891,8 @@ static int mtk_add_mac(struct mtk_eth *eth, struct device_node *np)
eth->netdev[id]->irq = eth->irq[0];
eth->netdev[id]->dev.of_node = np;
+ eth->netdev[id]->max_mtu = MTK_MAX_RX_LENGTH - MTK_RX_ETH_HLEN;
+
return 0;
free_netdev:
--
2.25.1
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH v4] net: ethernet: mtk_eth_soc: fix MTU warnings
2020-07-29 8:15 [PATCH v4] net: ethernet: mtk_eth_soc: fix MTU warnings Frank Wunderlich
@ 2020-07-30 23:56 ` David Miller
0 siblings, 0 replies; 3+ messages in thread
From: David Miller @ 2020-07-30 23:56 UTC (permalink / raw)
To: frank-w
Cc: linux-mediatek, landen.chao, nbd, john, sean.wang, Mark-MC.Lee,
kuba, matthias.bgg, netdev, linux-arm-kernel, linux-kernel,
andrew
From: Frank Wunderlich <frank-w@public-files.de>
Date: Wed, 29 Jul 2020 10:15:17 +0200
> From: Landen Chao <landen.chao@mediatek.com>
>
> in recent kernel versions there are warnings about incorrect MTU size
> like these:
>
> eth0: mtu greater than device maximum
> mtk_soc_eth 1b100000.ethernet eth0: error -22 setting MTU to include DSA overhead
>
> Fixes: bfcb813203e6 ("net: dsa: configure the MTU for switch ports")
> Fixes: 72579e14a1d3 ("net: dsa: don't fail to probe if we couldn't set the MTU")
> Fixes: 7a4c53bee332 ("net: report invalid mtu value via netlink extack")
> Signed-off-by: Landen Chao <landen.chao@mediatek.com>
> Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
> Reviewed-by: Andrew Lunn <andrew@lunn.ch>
> ---
> v3->v4
> - fix commit-message (hyphernations,capitalisation) as suggested by Russell
> - add Signed-off-by Landen
> - dropped wrong signed-off from rene (because previous v1/2 was from him)
Applied, thank you.
^ permalink raw reply [flat|nested] 3+ messages in thread
* [PATCH v4] net: ethernet: mtk_eth_soc: fix MTU warnings
[not found] <20200804165555.75159-1-linux@fw-web.de>
@ 2020-08-04 16:55 ` Frank Wunderlich
0 siblings, 0 replies; 3+ messages in thread
From: Frank Wunderlich @ 2020-08-04 16:55 UTC (permalink / raw)
To: linux-mediatek
Cc: Frank Wunderlich, Chun-Kuang Hu, Philipp Zabel, David Airlie,
Daniel Vetter, Matthias Brugger, dri-devel, linux-arm-kernel,
linux-kernel, Landen Chao, Felix Fietkau, John Crispin,
Sean Wang, Mark Lee, David S. Miller, Jakub Kicinski, netdev,
Andrew Lunn
From: Landen Chao <landen.chao@mediatek.com>
in recent kernel versions there are warnings about incorrect MTU size
like these:
eth0: mtu greater than device maximum
mtk_soc_eth 1b100000.ethernet eth0: error -22 setting MTU to include DSA overhead
Fixes: bfcb813203e6 ("net: dsa: configure the MTU for switch ports")
Fixes: 72579e14a1d3 ("net: dsa: don't fail to probe if we couldn't set the MTU")
Fixes: 7a4c53bee332 ("net: report invalid mtu value via netlink extack")
Signed-off-by: Landen Chao <landen.chao@mediatek.com>
Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
---
v3->v4
- fix commit-message (hyphernations,capitalisation) as suggested by Russell
- add Signed-off-by Landen
- dropped wrong signed-off from rene (because previous v1/2 was from him)
---
drivers/net/ethernet/mediatek/mtk_eth_soc.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
index 85735d32ecb0..a1c45b39a230 100644
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -2891,6 +2891,8 @@ static int mtk_add_mac(struct mtk_eth *eth, struct device_node *np)
eth->netdev[id]->irq = eth->irq[0];
eth->netdev[id]->dev.of_node = np;
+ eth->netdev[id]->max_mtu = MTK_MAX_RX_LENGTH - MTK_RX_ETH_HLEN;
+
return 0;
free_netdev:
--
2.25.1
^ permalink raw reply related [flat|nested] 3+ messages in thread
end of thread, other threads:[~2020-08-04 17:07 UTC | newest]
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2020-07-29 8:15 [PATCH v4] net: ethernet: mtk_eth_soc: fix MTU warnings Frank Wunderlich
2020-07-30 23:56 ` David Miller
[not found] <20200804165555.75159-1-linux@fw-web.de>
2020-08-04 16:55 ` Frank Wunderlich
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