Commit 27407625 authored Mar 15, 2022 by Nicolas Dichtel Committed by Greg Kroah-Hartman Mar 23, 2022

net: handle ARPHRD_PIMREG in dev_is_mac_header_xmit()



[ Upstream commit 4ee06de7729d795773145692e246a06448b1eb7a ]

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

Fixes: 27b29f63 ("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>

parent 31ae13db

include/linux/if_arp.h

+1 −0

Original line number	Original line	Diff line number	Diff line
	@@ -55,6 +55,7 @@ static inline bool dev_is_mac_header_xmit(const struct net_device *dev)
	case ARPHRD_VOID:		case ARPHRD_VOID:
	case ARPHRD_NONE:		case ARPHRD_NONE:
	case ARPHRD_RAWIP:		case ARPHRD_RAWIP:
			case ARPHRD_PIMREG:
	return false;		return false;
	default:		default:
	return true;		return true;