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geneve: allow changing DF behavior after creation 

[ Upstream commit 56c09de347 ]

Currently, trying to change the DF parameter of a geneve device does
nothing:

    # ip -d link show geneve1
    14: geneve1: <snip>
        link/ether <snip>
        geneve id 1 remote 10.0.0.1 ttl auto df set dstport 6081 <snip>
    # ip link set geneve1 type geneve id 1 df unset
    # ip -d link show geneve1
    14: geneve1: <snip>
        link/ether <snip>
        geneve id 1 remote 10.0.0.1 ttl auto df set dstport 6081 <snip>

We just need to update the value in geneve_changelink.

Fixes: a025fb5f49 ("geneve: Allow configuration of DF behaviour")
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Reviewed-by: Stefano Brivio <sbrivio@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
5.4-rM2-2.2.x-imx-squashed
Sabrina Dubroca 2020-06-18 12:13:22 +02:00 committed by Sasha Levin
parent ce06fcb6a6
commit f060107ccc
1 changed files with 1 additions and 0 deletions
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drivers/net/geneve.c
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@ -1649,6 +1649,7 @@ static int geneve_changelink(struct net_device *dev, struct nlattr *tb[],
geneve->collect_md = metadata;
geneve->use_udp6_rx_checksums = use_udp6_rx_checksums;
geneve->ttl_inherit = ttl_inherit;
geneve->df = df;
geneve_unquiesce(geneve, gs4, gs6);
return 0;