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Date:   Fri, 17 Jul 2020 12:49:43 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     paolo.pisati@...onical.com
Cc:     kuba@...nel.org, shuah@...nel.org, netdev@...r.kernel.org,
        linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] selftests: net: ip_defrag: modprobe missing
 nf_defrag_ipv6 support

From: Paolo Pisati <paolo.pisati@...onical.com>
Date: Thu, 16 Jul 2020 17:51:14 +0200

> Fix ip_defrag.sh when CONFIG_NF_DEFRAG_IPV6=m:
> 
> $ sudo ./ip_defrag.sh
> + set -e
> + mktemp -u XXXXXX
> + readonly NETNS=ns-rGlXcw
> + trap cleanup EXIT
> + setup
> + ip netns add ns-rGlXcw
> + ip -netns ns-rGlXcw link set lo up
> + ip netns exec ns-rGlXcw sysctl -w net.ipv4.ipfrag_high_thresh=9000000
> + ip netns exec ns-rGlXcw sysctl -w net.ipv4.ipfrag_low_thresh=7000000
> + ip netns exec ns-rGlXcw sysctl -w net.ipv4.ipfrag_time=1
> + ip netns exec ns-rGlXcw sysctl -w net.ipv6.ip6frag_high_thresh=9000000
> + ip netns exec ns-rGlXcw sysctl -w net.ipv6.ip6frag_low_thresh=7000000
> + ip netns exec ns-rGlXcw sysctl -w net.ipv6.ip6frag_time=1
> + ip netns exec ns-rGlXcw sysctl -w net.netfilter.nf_conntrack_frag6_high_thresh=9000000
> + cleanup
> + ip netns del ns-rGlXcw
> 
> $ ls -la /proc/sys/net/netfilter/nf_conntrack_frag6_high_thresh
> ls: cannot access '/proc/sys/net/netfilter/nf_conntrack_frag6_high_thresh': No such file or directory
> 
> $ sudo modprobe nf_defrag_ipv6
> $ ls -la /proc/sys/net/netfilter/nf_conntrack_frag6_high_thresh
> -rw-r--r-- 1 root root 0 Jul 14 12:34 /proc/sys/net/netfilter/nf_conntrack_frag6_high_thresh
> 
> Signed-off-by: Paolo Pisati <paolo.pisati@...onical.com>

Applied, thanks.

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