Re: [PATCH v2] selftests: net: ip_defrag: modprobe missing nf_defrag_ipv6 support

On Thu, 16 Jul 2020 17:51:14 +0200 Paolo Pisati wrote:

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@canonical.com

Reviewed-by: Jakub Kicinski kuba@kernel.org