RE: [PATCH net-next 10/13] net: fec: fec_enet_rx_queue(): replace open coded cast by skb_vlan_eth_hdr()
From: Wei Fang
Date: Wed Oct 16 2024 - 23:15:28 EST
> -----Original Message-----
> From: Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx>
> Sent: 2024年10月17日 5:52
> To: Wei Fang <wei.fang@xxxxxxx>; Shenwei Wang <shenwei.wang@xxxxxxx>;
> Clark Wang <xiaoning.wang@xxxxxxx>; David S. Miller
> <davem@xxxxxxxxxxxxx>; Eric Dumazet <edumazet@xxxxxxxxxx>; Jakub
> Kicinski <kuba@xxxxxxxxxx>; Paolo Abeni <pabeni@xxxxxxxxxx>; Richard
> Cochran <richardcochran@xxxxxxxxx>
> Cc: imx@xxxxxxxxxxxxxxx; netdev@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx;
> kernel@xxxxxxxxxxxxxx; Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx>
> 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@xxxxxxxxxxxxxx>
> ---
> 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@xxxxxxx>