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selftests: udp gso with connected sockets

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Connected sockets use path mtu instead of device mtu.

Test this path by inserting a route mtu that is lower than the device
mtu. Verify that the path mtu for the connection matches this lower
number, then run the same test as in the connectionless case.

Signed-off-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Willem de Bruijn
2018-04-26 13:42:23 -04:00
committed by David S. Miller
parent a160725780
commit e5b2d91c2d
2 changed files with 122 additions and 2 deletions
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7
tools/testing/selftests/net/udpgso.sh
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@@ -14,3 +14,10 @@ echo "ipv6 cmsg"
echo "ipv6 setsockopt"
./in_netns.sh ./udpgso -6 -C -s
echo "ipv4 connected"
./in_netns.sh ./udpgso -4 -c
# blocked on 2nd loopback address
# echo "ipv6 connected"
# ./in_netns.sh ./udpgso -6 -c