From: Rocco Yue <rocco.yue@mediatek.com>
To: "David S . Miller" <davem@davemloft.net>,
Jakub Kicinski <kuba@kernel.org>,
Jonathan Corbet <corbet@lwn.net>,
Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>,
David Ahern <dsahern@kernel.org>,
Matthias Brugger <matthias.bgg@gmail.com>,
Felix Fietkau <nbd@nbd.name>, John Crispin <john@phrozen.org>,
Sean Wang <sean.wang@mediatek.com>,
Mark Lee <Mark-MC.Lee@mediatek.com>
Cc: <netdev@vger.kernel.org>, <linux-doc@vger.kernel.org>,
<linux-kernel@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-mediatek@lists.infradead.org>, <bpf@vger.kernel.org>,
<wsd_upstream@mediatek.com>, <chao.song@mediatek.com>,
<zhuoliang.zhang@mediatek.com>, <kuohong.wang@mediatek.com>,
Rocco Yue <rocco.yue@mediatek.com>
Subject: [PATCH 3/4] net: dev_is_mac_header_xmit() return false for ARPHRD_PUREIP
Date: Wed, 23 Jun 2021 19:34:51 +0800 [thread overview]
Message-ID: <20210623113452.5671-3-rocco.yue@mediatek.com> (raw)
In-Reply-To: <20210623113452.5671-1-rocco.yue@mediatek.com>
the incoming/outgoing packets on that pure ip interface do
not have an ethernet header. So adding ARPHRD_PUREIP to the
dev_is_mac_header_xmit() make the function return false, and
__bpf_redirect() checks this boolean to determine whether to
prefix an ethernet header.
Signed-off-by: Rocco Yue <rocco.yue@mediatek.com>
---
include/linux/if_arp.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/include/linux/if_arp.h b/include/linux/if_arp.h
index bf5c5f32c65e..0dc7af11c463 100644
--- a/include/linux/if_arp.h
+++ b/include/linux/if_arp.h
@@ -51,6 +51,7 @@ static inline bool dev_is_mac_header_xmit(const struct net_device *dev)
case ARPHRD_VOID:
case ARPHRD_NONE:
case ARPHRD_RAWIP:
+ case ARPHRD_PUREIP:
return false;
default:
return true;
--
2.18.0
next prev parent reply other threads:[~2021-06-23 11:50 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-23 11:34 [PATCH 1/4] net: if_arp: add ARPHRD_PUREIP type Rocco Yue
2021-06-23 11:34 ` [PATCH 2/4] net: ipv6: don't generate link local address on PUREIP device Rocco Yue
2021-06-23 11:34 ` Rocco Yue [this message]
2021-06-23 11:34 ` [PATCH 4/4] drivers: net: mediatek: initial implementation of ccmni Rocco Yue
2021-06-23 17:25 ` Greg KH
2021-06-23 17:31 ` Greg KH
2021-06-24 11:53 ` [PATCH 1/4] net: if_arp: add ARPHRD_PUREIP type Rocco Yue
2021-06-24 12:23 ` Greg KH
2021-06-24 15:55 ` [PATCH 4/4] drivers: net: mediatek: initial implementation of ccmni Rocco Yue
2021-06-24 16:51 ` Greg KH
2021-06-28 7:18 ` Rocco Yue
2021-06-28 9:30 ` Greg KH
2021-06-23 17:19 ` [PATCH 1/4] net: if_arp: add ARPHRD_PUREIP type Greg KH
2021-06-24 3:33 ` Rocco Yue
2021-06-24 5:15 ` David Ahern
2021-06-24 5:31 ` Rocco Yue
2021-06-24 5:29 ` Greg KH
2021-06-24 6:13 ` Rocco Yue
2021-06-24 9:04 ` Greg KH
2021-06-24 12:24 ` Rocco Yue
2021-06-24 13:06 ` Greg KH
2021-06-25 6:01 ` Rocco Yue
2021-06-24 16:14 ` Dan Williams
2021-06-25 6:04 ` Rocco Yue
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