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Message-Id: <20250227-tunnels-v1-10-33df5c30aa04@bootlin.com>
Date: Thu, 27 Feb 2025 14:24:25 +0100
From: "Bastien Curutchet (eBPF Foundation)" <bastien.curutchet@...tlin.com>
To: Alexei Starovoitov <ast@...nel.org>,
Daniel Borkmann <daniel@...earbox.net>, Andrii Nakryiko <andrii@...nel.org>,
Martin KaFai Lau <martin.lau@...ux.dev>,
Eduard Zingerman <eddyz87@...il.com>, Song Liu <song@...nel.org>,
Yonghong Song <yonghong.song@...ux.dev>,
John Fastabend <john.fastabend@...il.com>, KP Singh <kpsingh@...nel.org>,
Stanislav Fomichev <sdf@...ichev.me>, Hao Luo <haoluo@...gle.com>,
Jiri Olsa <jolsa@...nel.org>, Mykola Lysenko <mykolal@...com>,
Shuah Khan <shuah@...nel.org>
Cc: Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
Alexis Lothore <alexis.lothore@...tlin.com>, bpf@...r.kernel.org,
linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org,
"Bastien Curutchet (eBPF Foundation)" <bastien.curutchet@...tlin.com>
Subject: [PATCH bpf-next 10/10] selftests/bpf: test_tunnel: Remove
test_tunnel.sh
All tests from test_tunnel.sh have been migrated into test test_progs.
The last test remaining in the script is the test_ipip() that is already
covered in the test_prog framework by the NONE case of test_ipip_tunnel().
Remove the test_tunnel.sh script and its Makefile entry
Signed-off-by: Bastien Curutchet (eBPF Foundation) <bastien.curutchet@...tlin.com>
---
tools/testing/selftests/bpf/Makefile | 1 -
tools/testing/selftests/bpf/test_tunnel.sh | 179 -----------------------------
2 files changed, 180 deletions(-)
diff --git a/tools/testing/selftests/bpf/Makefile b/tools/testing/selftests/bpf/Makefile
index abfb450c26bb360ad23ff1201fb113557d3eced1..e6a02d5b87d123cef7e6b41bfbc96d34083f38e1 100644
--- a/tools/testing/selftests/bpf/Makefile
+++ b/tools/testing/selftests/bpf/Makefile
@@ -100,7 +100,6 @@ TEST_FILES = xsk_prereqs.sh $(wildcard progs/btf_dump_test_case_*.c)
# Order correspond to 'make run_tests' order
TEST_PROGS := test_kmod.sh \
- test_tunnel.sh \
test_lwt_seg6local.sh \
test_lirc_mode2.sh \
test_xdp_vlan_mode_generic.sh \
diff --git a/tools/testing/selftests/bpf/test_tunnel.sh b/tools/testing/selftests/bpf/test_tunnel.sh
deleted file mode 100755
index 165023d1b5f70fd48ff05f0a53a332ef50e175da..0000000000000000000000000000000000000000
--- a/tools/testing/selftests/bpf/test_tunnel.sh
+++ /dev/null
@@ -1,179 +0,0 @@
-#!/bin/bash
-# SPDX-License-Identifier: GPL-2.0
-
-# End-to-end eBPF tunnel test suite
-# The script tests BPF network tunnel implementation.
-#
-# Topology:
-# ---------
-# root namespace | at_ns0 namespace
-# |
-# ----------- | -----------
-# | tnl dev | | | tnl dev | (overlay network)
-# ----------- | -----------
-# metadata-mode | native-mode
-# with bpf |
-# |
-# ---------- | ----------
-# | veth1 | --------- | veth0 | (underlay network)
-# ---------- peer ----------
-#
-#
-# Device Configuration
-# --------------------
-# Root namespace with metadata-mode tunnel + BPF
-# Device names and addresses:
-# veth1 IP: 172.16.1.200, IPv6: 00::22 (underlay)
-# tunnel dev <type>11, ex: gre11, IPv4: 10.1.1.200, IPv6: 1::22 (overlay)
-#
-# Namespace at_ns0 with native tunnel
-# Device names and addresses:
-# veth0 IPv4: 172.16.1.100, IPv6: 00::11 (underlay)
-# tunnel dev <type>00, ex: gre00, IPv4: 10.1.1.100, IPv6: 1::11 (overlay)
-#
-#
-# End-to-end ping packet flow
-# ---------------------------
-# Most of the tests start by namespace creation, device configuration,
-# then ping the underlay and overlay network. When doing 'ping 10.1.1.100'
-# from root namespace, the following operations happen:
-# 1) Route lookup shows 10.1.1.100/24 belongs to tnl dev, fwd to tnl dev.
-# 2) Tnl device's egress BPF program is triggered and set the tunnel metadata,
-# with remote_ip=172.16.1.100 and others.
-# 3) Outer tunnel header is prepended and route the packet to veth1's egress
-# 4) veth0's ingress queue receive the tunneled packet at namespace at_ns0
-# 5) Tunnel protocol handler, ex: vxlan_rcv, decap the packet
-# 6) Forward the packet to the overlay tnl dev
-
-BPF_FILE="test_tunnel_kern.bpf.o"
-BPF_PIN_TUNNEL_DIR="/sys/fs/bpf/tc/tunnel"
-PING_ARG="-c 3 -w 10 -q"
-ret=0
-GREEN='\033[0;92m'
-RED='\033[0;31m'
-NC='\033[0m' # No Color
-
-config_device()
-{
- ip netns add at_ns0
- ip link add veth0 type veth peer name veth1
- ip link set veth0 netns at_ns0
- ip netns exec at_ns0 ip addr add 172.16.1.100/24 dev veth0
- ip netns exec at_ns0 ip link set dev veth0 up
- ip link set dev veth1 up mtu 1500
- ip addr add dev veth1 172.16.1.200/24
-}
-
-add_ipip_tunnel()
-{
- # at_ns0 namespace
- ip netns exec at_ns0 \
- ip link add dev $DEV_NS type $TYPE \
- local 172.16.1.100 remote 172.16.1.200
- ip netns exec at_ns0 ip link set dev $DEV_NS up
- ip netns exec at_ns0 ip addr add dev $DEV_NS 10.1.1.100/24
-
- # root namespace
- ip link add dev $DEV type $TYPE external
- ip link set dev $DEV up
- ip addr add dev $DEV 10.1.1.200/24
-}
-
-test_ipip()
-{
- TYPE=ipip
- DEV_NS=ipip00
- DEV=ipip11
- ret=0
-
- check $TYPE
- config_device
- add_ipip_tunnel
- ip link set dev veth1 mtu 1500
- attach_bpf $DEV ipip_set_tunnel ipip_get_tunnel
- ping $PING_ARG 10.1.1.100
- check_err $?
- ip netns exec at_ns0 ping $PING_ARG 10.1.1.200
- check_err $?
- cleanup
-
- if [ $ret -ne 0 ]; then
- echo -e ${RED}"FAIL: $TYPE"${NC}
- return 1
- fi
- echo -e ${GREEN}"PASS: $TYPE"${NC}
-}
-
-attach_bpf()
-{
- DEV=$1
- SET=$2
- GET=$3
- mkdir -p ${BPF_PIN_TUNNEL_DIR}
- bpftool prog loadall ${BPF_FILE} ${BPF_PIN_TUNNEL_DIR}/
- tc qdisc add dev $DEV clsact
- tc filter add dev $DEV egress bpf da object-pinned ${BPF_PIN_TUNNEL_DIR}/$SET
- tc filter add dev $DEV ingress bpf da object-pinned ${BPF_PIN_TUNNEL_DIR}/$GET
-}
-
-cleanup()
-{
- rm -rf ${BPF_PIN_TUNNEL_DIR}
-
- ip netns delete at_ns0 2> /dev/null
- ip link del veth1 2> /dev/null
- ip link del ipip11 2> /dev/null
-}
-
-cleanup_exit()
-{
- echo "CATCH SIGKILL or SIGINT, cleanup and exit"
- cleanup
- exit 0
-}
-
-check()
-{
- ip link help 2>&1 | grep -q "\s$1\s"
- if [ $? -ne 0 ];then
- echo "SKIP $1: iproute2 not support"
- cleanup
- return 1
- fi
-}
-
-enable_debug()
-{
- echo 'file ipip.c +p' > /sys/kernel/debug/dynamic_debug/control
-}
-
-check_err()
-{
- if [ $ret -eq 0 ]; then
- ret=$1
- fi
-}
-
-bpf_tunnel_test()
-{
- local errors=0
-
- echo "Testing IPIP tunnel..."
- test_ipip
- errors=$(( $errors + $? ))
-
- return $errors
-}
-
-trap cleanup 0 3 6
-trap cleanup_exit 2 9
-
-cleanup
-bpf_tunnel_test
-
-if [ $? -ne 0 ]; then
- echo -e "$(basename $0): ${RED}FAIL${NC}"
- exit 1
-fi
-echo -e "$(basename $0): ${GREEN}PASS${NC}"
-exit 0
--
2.48.1
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