linux-kernel - RE: [PATCH net-next 10/13] net: fec: fec_enet_rx_queue(): replace open coded cast by skb_vlan_eth

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Message-ID:
 <PAXPR04MB8510E1BB81106DD43249A08188472@PAXPR04MB8510.eurprd04.prod.outlook.com>
Date: Thu, 17 Oct 2024 03:15:09 +0000
From: Wei Fang <wei.fang@....com>
To: Marc Kleine-Budde <mkl@...gutronix.de>, Shenwei Wang
	<shenwei.wang@....com>, Clark Wang <xiaoning.wang@....com>, "David S. Miller"
	<davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski
	<kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, Richard Cochran
	<richardcochran@...il.com>
CC: "imx@...ts.linux.dev" <imx@...ts.linux.dev>, "netdev@...r.kernel.org"
	<netdev@...r.kernel.org>, "linux-kernel@...r.kernel.org"
	<linux-kernel@...r.kernel.org>, "kernel@...gutronix.de"
	<kernel@...gutronix.de>
Subject: RE: [PATCH net-next 10/13] net: fec: fec_enet_rx_queue(): replace
 open coded cast by skb_vlan_eth_hdr()

> -----Original Message-----
> From: Marc Kleine-Budde <mkl@...gutronix.de>
> Sent: 2024年10月17日 5:52
> To: Wei Fang <wei.fang@....com>; Shenwei Wang <shenwei.wang@....com>;
> Clark Wang <xiaoning.wang@....com>; David S. Miller
> <davem@...emloft.net>; Eric Dumazet <edumazet@...gle.com>; Jakub
> Kicinski <kuba@...nel.org>; Paolo Abeni <pabeni@...hat.com>; Richard
> Cochran <richardcochran@...il.com>
> Cc: imx@...ts.linux.dev; netdev@...r.kernel.org; linux-kernel@...r.kernel.org;
> kernel@...gutronix.de; Marc Kleine-Budde <mkl@...gutronix.de>
> Subject: [PATCH net-next 10/13] net: fec: fec_enet_rx_queue(): replace open
> coded cast by skb_vlan_eth_hdr()
> 
> In order to clean up the VLAN handling, replace an open coded cast
> from skb->data to the vlan header with skb_vlan_eth_hdr().
> 
> Signed-off-by: Marc Kleine-Budde <mkl@...gutronix.de>
> ---
>  drivers/net/ethernet/freescale/fec_main.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/net/ethernet/freescale/fec_main.c
> b/drivers/net/ethernet/freescale/fec_main.c
> index
> eb26e869c026225194f4df66db145494408bfe8a..fd7a78ec5fa8ac0f7d141779
> 938a4690594dbef1 100644
> --- a/drivers/net/ethernet/freescale/fec_main.c
> +++ b/drivers/net/ethernet/freescale/fec_main.c
> @@ -1819,8 +1819,7 @@ fec_enet_rx_queue(struct net_device *ndev, u16
> queue_id, int budget)
>  		    fep->bufdesc_ex &&
>  		    (ebdp->cbd_esc & cpu_to_fec32(BD_ENET_RX_VLAN))) {
>  			/* Push and remove the vlan tag */
> -			struct vlan_hdr *vlan_header =
> -					(struct vlan_hdr *) (data + ETH_HLEN);
> +			struct vlan_ethhdr *vlan_header = skb_vlan_eth_hdr(skb);
>  			vlan_tag = ntohs(vlan_header->h_vlan_TCI);
> 
>  			vlan_packet_rcvd = true;
> 
> --
> 2.45.2
> 

Reviewed-by: Wei Fang <wei.fang@....com>