netdev - [PATCH net-next] ipvlan: implemente .parse_protocol hook function in ipvlan_header

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Message-ID: <20231130030225.3571231-1-shaozhengchao@huawei.com>
Date: Thu, 30 Nov 2023 11:02:25 +0800
From: Zhengchao Shao <shaozhengchao@...wei.com>
To: <netdev@...r.kernel.org>, <davem@...emloft.net>, <edumazet@...gle.com>,
	<kuba@...nel.org>, <pabeni@...hat.com>
CC: <fw@...len.de>, <luwei32@...wei.com>, <shaozhengchao@...wei.com>,
	<weiyongjun1@...wei.com>, <yuehaibing@...wei.com>
Subject: [PATCH net-next] ipvlan: implemente .parse_protocol hook function in ipvlan_header_ops

The .parse_protocol hook function in the ipvlan_header_ops structure is
not implemented. As a result, when the AF_PACKET family is used to send
packets, skb->protocol will be set to 0.
The IPVLAN device must be of the Ethernet type. Therefore, use
eth_header_parse_protocol function to obtain the protocol.

Signed-off-by: Zhengchao Shao <shaozhengchao@...wei.com>
---
 drivers/net/ipvlan/ipvlan_main.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/ipvlan/ipvlan_main.c b/drivers/net/ipvlan/ipvlan_main.c
index 57c79f5f2991..f28fd7b6b708 100644
--- a/drivers/net/ipvlan/ipvlan_main.c
+++ b/drivers/net/ipvlan/ipvlan_main.c
@@ -387,6 +387,7 @@ static const struct header_ops ipvlan_header_ops = {
 	.parse		= eth_header_parse,
 	.cache		= eth_header_cache,
 	.cache_update	= eth_header_cache_update,
+	.parse_protocol	= eth_header_parse_protocol,
 };
 
 static void ipvlan_adjust_mtu(struct ipvl_dev *ipvlan, struct net_device *dev)
-- 
2.34.1