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net: handle ARPHRD_PIMREG in dev_is_mac_header_xmit()

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[ Upstream commit 4ee06de7729d795773145692e246a06448b1eb7a ]

This kind of interface doesn't have a mac header. This patch fixes
bpf_redirect() to a PIM interface.

Fixes: 27b29f63058d ("bpf: add bpf_redirect() helper")
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Link: https://lore.kernel.org/r/20220315092008.31423-1-nicolas.dichtel@6wind.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Nicolas Dichtel 2022-03-15 10:20:08 +01:00 committed by Greg Kroah-Hartman
parent 336b6be6ad
commit a630ad5e8b
1 changed files with 1 additions and 0 deletions
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include/linux/if_arp.h
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@ -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_PIMREG:
return false;
default:
return true;