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* [PATCH v2 net-next] net: tap: check vlan with eth_type_vlan() method
@ 2021-01-15  2:32 menglong8.dong
  2021-01-16  4:20 ` patchwork-bot+netdevbpf
  0 siblings, 1 reply; 2+ messages in thread
From: menglong8.dong @ 2021-01-15  2:32 UTC (permalink / raw)
  To: kuba
  Cc: davem, ast, daniel, hawk, john.fastabend, netdev, linux-kernel,
	bpf, Menglong Dong

From: Menglong Dong <dong.menglong@zte.com.cn>

Replace some checks for ETH_P_8021Q and ETH_P_8021AD in
drivers/net/tap.c with eth_type_vlan.

Signed-off-by: Menglong Dong <dong.menglong@zte.com.cn>
---
v2:
- use eth_type_vlan() in tap_get_user_xdp() too.
---
 drivers/net/tap.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/net/tap.c b/drivers/net/tap.c
index 3c652c8ac5ba..ff4aa35979a1 100644
--- a/drivers/net/tap.c
+++ b/drivers/net/tap.c
@@ -713,8 +713,7 @@ static ssize_t tap_get_user(struct tap_queue *q, void *msg_control,
 	skb_probe_transport_header(skb);
 
 	/* Move network header to the right position for VLAN tagged packets */
-	if ((skb->protocol == htons(ETH_P_8021Q) ||
-	     skb->protocol == htons(ETH_P_8021AD)) &&
+	if (eth_type_vlan(skb->protocol) &&
 	    __vlan_get_protocol(skb, skb->protocol, &depth) != 0)
 		skb_set_network_header(skb, depth);
 
@@ -1164,8 +1163,7 @@ static int tap_get_user_xdp(struct tap_queue *q, struct xdp_buff *xdp)
 	}
 
 	/* Move network header to the right position for VLAN tagged packets */
-	if ((skb->protocol == htons(ETH_P_8021Q) ||
-	     skb->protocol == htons(ETH_P_8021AD)) &&
+	if (eth_type_vlan(skb->protocol) &&
 	    __vlan_get_protocol(skb, skb->protocol, &depth) != 0)
 		skb_set_network_header(skb, depth);
 
-- 
2.25.1


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH v2 net-next] net: tap: check vlan with eth_type_vlan() method
  2021-01-15  2:32 [PATCH v2 net-next] net: tap: check vlan with eth_type_vlan() method menglong8.dong
@ 2021-01-16  4:20 ` patchwork-bot+netdevbpf
  0 siblings, 0 replies; 2+ messages in thread
From: patchwork-bot+netdevbpf @ 2021-01-16  4:20 UTC (permalink / raw)
  To: Menglong Dong
  Cc: kuba, davem, ast, daniel, hawk, john.fastabend, netdev,
	linux-kernel, bpf, dong.menglong

Hello:

This patch was applied to netdev/net-next.git (refs/heads/master):

On Thu, 14 Jan 2021 18:32:38 -0800 you wrote:
> From: Menglong Dong <dong.menglong@zte.com.cn>
> 
> Replace some checks for ETH_P_8021Q and ETH_P_8021AD in
> drivers/net/tap.c with eth_type_vlan.
> 
> Signed-off-by: Menglong Dong <dong.menglong@zte.com.cn>
> 
> [...]

Here is the summary with links:
  - [v2,net-next] net: tap: check vlan with eth_type_vlan() method
    https://git.kernel.org/netdev/net-next/c/b69df2608281

You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html



^ permalink raw reply	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2021-01-16  4:21 UTC | newest]

Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
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2021-01-15  2:32 [PATCH v2 net-next] net: tap: check vlan with eth_type_vlan() method menglong8.dong
2021-01-16  4:20 ` patchwork-bot+netdevbpf

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