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    Subject[PATCH 4.19 52/57] net: handle ARPHRD_PIMREG in dev_is_mac_header_xmit()
    Date
    From: Nicolas Dichtel <nicolas.dichtel@6wind.com>

    [ 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>
    ---
    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 e44746de95cd..c697a0524273 100644
    --- a/include/linux/if_arp.h
    +++ b/include/linux/if_arp.h
    @@ -55,6 +55,7 @@ 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;
    --
    2.34.1


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