3e400219c0
Extend the existing test to exercise UDP GSO egress through devices with various offload capabilities, including lack of checksum offload, which is the default case for TUN/TAP devices. Test against a dummy device because it is simpler to set up then TUN/TAP. Signed-off-by: Jakub Sitnicki <jakub@cloudflare.com> Reviewed-by: Willem de Bruijn <willemb@google.com> Link: https://patch.msgid.link/20240626-linux-udpgso-v2-2-422dfcbd6b48@cloudflare.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
101 lines
2.4 KiB
Bash
Executable file
101 lines
2.4 KiB
Bash
Executable file
#!/bin/sh
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# SPDX-License-Identifier: GPL-2.0
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#
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# Run a series of udpgso regression tests
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set -o errexit
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set -o nounset
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setup_loopback() {
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ip addr add dev lo 10.0.0.1/32
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ip addr add dev lo fd00::1/128 nodad noprefixroute
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}
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test_dev_mtu() {
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setup_loopback
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# Reduce loopback MTU
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ip link set dev lo mtu 1500
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}
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test_route_mtu() {
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setup_loopback
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# Remove default local routes
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ip route del local 10.0.0.1/32 table local dev lo
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ip route del local fd00::1/128 table local dev lo
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# Install local routes with reduced MTU
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ip route add local 10.0.0.1/32 table local dev lo mtu 1500
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ip route add local fd00::1/128 table local dev lo mtu 1500
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}
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setup_dummy_sink() {
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ip link add name sink mtu 1500 type dummy
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ip addr add dev sink 10.0.0.0/24
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ip addr add dev sink fd00::2/64 nodad
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ip link set dev sink up
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}
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test_hw_gso_hw_csum() {
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setup_dummy_sink
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ethtool -K sink tx-checksum-ip-generic on >/dev/null
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ethtool -K sink tx-udp-segmentation on >/dev/null
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}
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test_sw_gso_hw_csum() {
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setup_dummy_sink
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ethtool -K sink tx-checksum-ip-generic on >/dev/null
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ethtool -K sink tx-udp-segmentation off >/dev/null
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}
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test_sw_gso_sw_csum() {
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setup_dummy_sink
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ethtool -K sink tx-checksum-ip-generic off >/dev/null
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ethtool -K sink tx-udp-segmentation off >/dev/null
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}
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if [ "$#" -gt 0 ]; then
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"$1"
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shift 2 # pop "test_*" arg and "--" delimiter
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exec "$@"
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fi
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echo "ipv4 cmsg"
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./in_netns.sh "$0" test_dev_mtu -- ./udpgso -4 -C
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echo "ipv4 setsockopt"
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./in_netns.sh "$0" test_dev_mtu -- ./udpgso -4 -C -s
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echo "ipv6 cmsg"
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./in_netns.sh "$0" test_dev_mtu -- ./udpgso -6 -C
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echo "ipv6 setsockopt"
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./in_netns.sh "$0" test_dev_mtu -- ./udpgso -6 -C -s
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echo "ipv4 connected"
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./in_netns.sh "$0" test_route_mtu -- ./udpgso -4 -c
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echo "ipv6 connected"
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./in_netns.sh "$0" test_route_mtu -- ./udpgso -6 -c
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echo "ipv4 msg_more"
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./in_netns.sh "$0" test_dev_mtu -- ./udpgso -4 -C -m
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echo "ipv6 msg_more"
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./in_netns.sh "$0" test_dev_mtu -- ./udpgso -6 -C -m
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echo "ipv4 hw-gso hw-csum"
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./in_netns.sh "$0" test_hw_gso_hw_csum -- ./udpgso -4 -C -R
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echo "ipv6 hw-gso hw-csum"
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./in_netns.sh "$0" test_hw_gso_hw_csum -- ./udpgso -6 -C -R
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echo "ipv4 sw-gso hw-csum"
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./in_netns.sh "$0" test_sw_gso_hw_csum -- ./udpgso -4 -C -R
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echo "ipv6 sw-gso hw-csum"
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./in_netns.sh "$0" test_sw_gso_hw_csum -- ./udpgso -6 -C -R
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echo "ipv4 sw-gso sw-csum"
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./in_netns.sh "$0" test_sw_gso_sw_csum -- ./udpgso -4 -C -R
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echo "ipv6 sw-gso sw-csum"
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./in_netns.sh "$0" test_sw_gso_sw_csum -- ./udpgso -6 -C -R
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