From: Felix Fietkau <nbd@nbd.name>
To: Vladimir Oltean <olteanv@gmail.com>
Cc: netdev@vger.kernel.org, John Crispin <john@phrozen.org>,
Sean Wang <sean.wang@mediatek.com>,
Mark Lee <Mark-MC.Lee@mediatek.com>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
Matthias Brugger <matthias.bgg@gmail.com>,
linux-arm-kernel@lists.infradead.org,
linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 01/14] net: ethernet: mtk_eth_soc: account for vlan in rx header length
Date: Tue, 8 Nov 2022 07:18:24 +0100 [thread overview]
Message-ID: <1078ae93-490b-60b5-d1ae-95ca491cfb15@nbd.name> (raw)
In-Reply-To: <20221107205553.cnydzeh3tmilqblx@skbuf>
On 07.11.22 21:55, Vladimir Oltean wrote:
> On Mon, Nov 07, 2022 at 07:54:39PM +0100, Felix Fietkau wrote:
>> This may be needed for correct MTU settings on devices using DSA
>>
>> Signed-off-by: Felix Fietkau <nbd@nbd.name>
>> ---
>> drivers/net/ethernet/mediatek/mtk_eth_soc.h | 2 +-
>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.h b/drivers/net/ethernet/mediatek/mtk_eth_soc.h
>> index 589f27ddc401..dcf2a0d5da33 100644
>> --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h
>> +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h
>> @@ -29,7 +29,7 @@
>> #define MTK_TX_DMA_BUF_LEN_V2 0xffff
>> #define MTK_DMA_SIZE 512
>> #define MTK_MAC_COUNT 2
>> -#define MTK_RX_ETH_HLEN (ETH_HLEN + ETH_FCS_LEN)
>> +#define MTK_RX_ETH_HLEN (VLAN_ETH_HLEN + ETH_HLEN + ETH_FCS_LEN)
>
> Commit title says account for VLAN (VLAN_HLEN, 4 bytes), code says add
> VLAN_ETH_HLEN (18) more bytes.
>
> Also, why is DSA mentioned in the commit message? Is accounting for VLAN
> hlen not needed if DSA is not used? Why?
Will fix the code and improve the comments in v2.
- Felix
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prev parent reply other threads:[~2022-11-08 6:19 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-07 18:54 [PATCH 01/14] net: ethernet: mtk_eth_soc: account for vlan in rx header length Felix Fietkau
2022-11-07 18:54 ` [PATCH 02/14] net: ethernet: mtk_eth_soc: increase tx ring side for QDMA devices Felix Fietkau
2022-11-07 18:54 ` [PATCH 03/14] net: ethernet: mtk_eth_soc: avoid port_mg assignment on MT7622 and newer Felix Fietkau
2022-11-07 18:54 ` [PATCH 04/14] net: ethernet: mtk_eth_soc: implement multi-queue support for per-port queues Felix Fietkau
2022-11-07 18:54 ` [PATCH 05/14] net: dsa: tag_mtk: assign " Felix Fietkau
2022-11-07 20:40 ` Vladimir Oltean
2022-11-08 6:18 ` Felix Fietkau
2022-11-07 21:22 ` Vladimir Oltean
2022-11-08 6:01 ` Felix Fietkau
2022-11-08 7:58 ` Vladimir Oltean
2022-11-08 9:20 ` Felix Fietkau
2022-11-07 18:54 ` [PATCH 06/14] net: ethernet: mediatek: ppe: assign per-port queues for offloaded traffic Felix Fietkau
2022-11-07 18:54 ` [PATCH 07/14] net: ethernet: mtk_eth_soc: compile out netsys v2 code on mt7621 Felix Fietkau
2022-11-07 18:54 ` [PATCH 10/14] net: dsa: tag_mtk: parse hwaccel VLAN tags Felix Fietkau
2022-11-07 18:54 ` [PATCH 11/14] net: ethernet: mtk_eth_soc: fix VLAN rx hardware acceleration Felix Fietkau
2022-11-07 23:32 ` Vladimir Oltean
2022-11-08 6:17 ` Felix Fietkau
2022-11-07 18:54 ` [PATCH 12/14] net: ethernet: mtk_eth_soc: work around issue with sending small fragments Felix Fietkau
2022-11-07 18:54 ` [PATCH 13/14] net: ethernet: mtk_eth_soc: set NETIF_F_ALL_TSO Felix Fietkau
2022-11-07 18:54 ` [PATCH 14/14] net: ethernet: mtk_eth_soc: drop packets to WDMA if the ring is full Felix Fietkau
2022-11-07 20:55 ` [PATCH 01/14] net: ethernet: mtk_eth_soc: account for vlan in rx header length Vladimir Oltean
2022-11-08 6:18 ` Felix Fietkau [this message]
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