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authorLinus Torvalds <torvalds@linux-foundation.org>2021-09-08 00:02:58 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2021-09-08 00:02:58 +0300
commit626bf91a292e2035af5b9d9cce35c5c138dfe06d (patch)
tree9f6e7e74511e3f27430f338bc454959fd487bcfd /tools
parent4c00e1e2e58eefb288ba9ef585b6f19e1f33bf1e (diff)
parent0f77f2defaf682eb7e7ef623168e49c74ae529e3 (diff)
downloadlinux-626bf91a292e2035af5b9d9cce35c5c138dfe06d.tar.xz
Merge tag 'net-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes and stragglers from Jakub Kicinski: "Networking stragglers and fixes, including changes from netfilter, wireless and can. Current release - regressions: - qrtr: revert check in qrtr_endpoint_post(), fixes audio and wifi - ip_gre: validate csum_start only on pull - bnxt_en: fix 64-bit doorbell operation on 32-bit kernels - ionic: fix double use of queue-lock, fix a sleeping in atomic - can: c_can: fix null-ptr-deref on ioctl() - cs89x0: disable compile testing on powerpc Current release - new code bugs: - bridge: mcast: fix vlan port router deadlock, consistently disable BH Previous releases - regressions: - dsa: tag_rtl4_a: fix egress tags, only port 0 was working - mptcp: fix possible divide by zero - netfilter: nft_ct: protect nft_ct_pcpu_template_refcnt with mutex - netfilter: socket: icmp6: fix use-after-scope - stmmac: fix MAC not working when system resume back with WoL active Previous releases - always broken: - ip/ip6_gre: use the same logic as SIT interfaces when computing v6LL address - seg6: set fc_nlinfo in nh_create_ipv4, nh_create_ipv6 - mptcp: only send extra TCP acks in eligible socket states - dsa: lantiq_gswip: fix maximum frame length - stmmac: fix overall budget calculation for rxtx_napi - bnxt_en: fix firmware version reporting via devlink - renesas: sh_eth: add missing barrier to fix freeing wrong tx descriptor Stragglers: - netfilter: conntrack: switch to siphash - netfilter: refuse insertion if chain has grown too large - ncsi: add get MAC address command to get Intel i210 MAC address" * tag 'net-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (76 commits) ieee802154: Remove redundant initialization of variable ret net: stmmac: fix MAC not working when system resume back with WoL active net: phylink: add suspend/resume support net: renesas: sh_eth: Fix freeing wrong tx descriptor bonding: 3ad: pass parameter bond_params by reference cxgb3: fix oops on module removal can: c_can: fix null-ptr-deref on ioctl() can: rcar_canfd: add __maybe_unused annotation to silence warning net: wwan: iosm: Unify IO accessors used in the driver net: wwan: iosm: Replace io.*64_lo_hi() with regular accessors net: qcom/emac: Replace strlcpy with strscpy ip6_gre: Revert "ip6_gre: add validation for csum_start" net: hns3: make hclgevf_cmd_caps_bit_map0 and hclge_cmd_caps_bit_map0 static selftests/bpf: Test XDP bonding nest and unwind bonding: Fix negative jump label count on nested bonding MAINTAINERS: add VM SOCKETS (AF_VSOCK) entry stmmac: dwmac-loongson:Fix missing return value iwlwifi: fix printk format warnings in uefi.c net: create netdev->dev_addr assignment helpers bnxt_en: Fix possible unintended driver initiated error recovery ...
Diffstat (limited to 'tools')
-rw-r--r--tools/testing/selftests/bpf/prog_tests/xdp_bonding.c74
-rw-r--r--tools/testing/selftests/net/Makefile1
-rwxr-xr-xtools/testing/selftests/net/gre_gso.sh236
-rwxr-xr-xtools/testing/selftests/net/mptcp/simult_flows.sh4
4 files changed, 303 insertions, 12 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/xdp_bonding.c b/tools/testing/selftests/bpf/prog_tests/xdp_bonding.c
index 370d220288a6..ad3ba81b4048 100644
--- a/tools/testing/selftests/bpf/prog_tests/xdp_bonding.c
+++ b/tools/testing/selftests/bpf/prog_tests/xdp_bonding.c
@@ -384,8 +384,7 @@ static void test_xdp_bonding_attach(struct skeletons *skeletons)
{
struct bpf_link *link = NULL;
struct bpf_link *link2 = NULL;
- int veth, bond;
- int err;
+ int veth, bond, err;
if (!ASSERT_OK(system("ip link add veth type veth"), "add veth"))
goto out;
@@ -399,22 +398,18 @@ static void test_xdp_bonding_attach(struct skeletons *skeletons)
if (!ASSERT_GE(bond, 0, "if_nametoindex bond"))
goto out;
- /* enslaving with a XDP program loaded fails */
+ /* enslaving with a XDP program loaded is allowed */
link = bpf_program__attach_xdp(skeletons->xdp_dummy->progs.xdp_dummy_prog, veth);
if (!ASSERT_OK_PTR(link, "attach program to veth"))
goto out;
err = system("ip link set veth master bond");
- if (!ASSERT_NEQ(err, 0, "attaching slave with xdp program expected to fail"))
+ if (!ASSERT_OK(err, "set veth master"))
goto out;
bpf_link__destroy(link);
link = NULL;
- err = system("ip link set veth master bond");
- if (!ASSERT_OK(err, "set veth master"))
- goto out;
-
/* attaching to slave when master has no program is allowed */
link = bpf_program__attach_xdp(skeletons->xdp_dummy->progs.xdp_dummy_prog, veth);
if (!ASSERT_OK_PTR(link, "attach program to slave when enslaved"))
@@ -434,8 +429,26 @@ static void test_xdp_bonding_attach(struct skeletons *skeletons)
goto out;
/* attaching to slave not allowed when master has program loaded */
- link2 = bpf_program__attach_xdp(skeletons->xdp_dummy->progs.xdp_dummy_prog, bond);
- ASSERT_ERR_PTR(link2, "attach program to slave when master has program");
+ link2 = bpf_program__attach_xdp(skeletons->xdp_dummy->progs.xdp_dummy_prog, veth);
+ if (!ASSERT_ERR_PTR(link2, "attach program to slave when master has program"))
+ goto out;
+
+ bpf_link__destroy(link);
+ link = NULL;
+
+ /* test program unwinding with a non-XDP slave */
+ if (!ASSERT_OK(system("ip link add vxlan type vxlan id 1 remote 1.2.3.4 dstport 0 dev lo"),
+ "add vxlan"))
+ goto out;
+
+ err = system("ip link set vxlan master bond");
+ if (!ASSERT_OK(err, "set vxlan master"))
+ goto out;
+
+ /* attaching not allowed when one slave does not support XDP */
+ link = bpf_program__attach_xdp(skeletons->xdp_dummy->progs.xdp_dummy_prog, bond);
+ if (!ASSERT_ERR_PTR(link, "attach program to master when slave does not support XDP"))
+ goto out;
out:
bpf_link__destroy(link);
@@ -443,6 +456,44 @@ out:
system("ip link del veth");
system("ip link del bond");
+ system("ip link del vxlan");
+}
+
+/* Test with nested bonding devices to catch issue with negative jump label count */
+static void test_xdp_bonding_nested(struct skeletons *skeletons)
+{
+ struct bpf_link *link = NULL;
+ int bond, err;
+
+ if (!ASSERT_OK(system("ip link add bond type bond"), "add bond"))
+ goto out;
+
+ bond = if_nametoindex("bond");
+ if (!ASSERT_GE(bond, 0, "if_nametoindex bond"))
+ goto out;
+
+ if (!ASSERT_OK(system("ip link add bond_nest1 type bond"), "add bond_nest1"))
+ goto out;
+
+ err = system("ip link set bond_nest1 master bond");
+ if (!ASSERT_OK(err, "set bond_nest1 master"))
+ goto out;
+
+ if (!ASSERT_OK(system("ip link add bond_nest2 type bond"), "add bond_nest1"))
+ goto out;
+
+ err = system("ip link set bond_nest2 master bond_nest1");
+ if (!ASSERT_OK(err, "set bond_nest2 master"))
+ goto out;
+
+ link = bpf_program__attach_xdp(skeletons->xdp_dummy->progs.xdp_dummy_prog, bond);
+ ASSERT_OK_PTR(link, "attach program to master");
+
+out:
+ bpf_link__destroy(link);
+ system("ip link del bond");
+ system("ip link del bond_nest1");
+ system("ip link del bond_nest2");
}
static int libbpf_debug_print(enum libbpf_print_level level,
@@ -496,6 +547,9 @@ void test_xdp_bonding(void)
if (test__start_subtest("xdp_bonding_attach"))
test_xdp_bonding_attach(&skeletons);
+ if (test__start_subtest("xdp_bonding_nested"))
+ test_xdp_bonding_nested(&skeletons);
+
for (i = 0; i < ARRAY_SIZE(bond_test_cases); i++) {
struct bond_test_case *test_case = &bond_test_cases[i];
diff --git a/tools/testing/selftests/net/Makefile b/tools/testing/selftests/net/Makefile
index 378c0aac5a1a..492b273743b4 100644
--- a/tools/testing/selftests/net/Makefile
+++ b/tools/testing/selftests/net/Makefile
@@ -27,6 +27,7 @@ TEST_PROGS += udpgro_fwd.sh
TEST_PROGS += veth.sh
TEST_PROGS += ioam6.sh
TEST_PROGS += gro.sh
+TEST_PROGS += gre_gso.sh
TEST_PROGS_EXTENDED := in_netns.sh
TEST_GEN_FILES = socket nettest
TEST_GEN_FILES += psock_fanout psock_tpacket msg_zerocopy reuseport_addr_any
diff --git a/tools/testing/selftests/net/gre_gso.sh b/tools/testing/selftests/net/gre_gso.sh
new file mode 100755
index 000000000000..facbb0c80443
--- /dev/null
+++ b/tools/testing/selftests/net/gre_gso.sh
@@ -0,0 +1,236 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+
+# This test is for checking GRE GSO.
+
+ret=0
+# Kselftest framework requirement - SKIP code is 4.
+ksft_skip=4
+
+# all tests in this script. Can be overridden with -t option
+TESTS="gre_gso"
+
+VERBOSE=0
+PAUSE_ON_FAIL=no
+PAUSE=no
+IP="ip -netns ns1"
+NS_EXEC="ip netns exec ns1"
+TMPFILE=`mktemp`
+PID=
+
+log_test()
+{
+ local rc=$1
+ local expected=$2
+ local msg="$3"
+
+ if [ ${rc} -eq ${expected} ]; then
+ printf " TEST: %-60s [ OK ]\n" "${msg}"
+ nsuccess=$((nsuccess+1))
+ else
+ ret=1
+ nfail=$((nfail+1))
+ printf " TEST: %-60s [FAIL]\n" "${msg}"
+ if [ "${PAUSE_ON_FAIL}" = "yes" ]; then
+ echo
+ echo "hit enter to continue, 'q' to quit"
+ read a
+ [ "$a" = "q" ] && exit 1
+ fi
+ fi
+
+ if [ "${PAUSE}" = "yes" ]; then
+ echo
+ echo "hit enter to continue, 'q' to quit"
+ read a
+ [ "$a" = "q" ] && exit 1
+ fi
+}
+
+setup()
+{
+ set -e
+ ip netns add ns1
+ ip netns set ns1 auto
+ $IP link set dev lo up
+
+ ip link add veth0 type veth peer name veth1
+ ip link set veth0 up
+ ip link set veth1 netns ns1
+ $IP link set veth1 name veth0
+ $IP link set veth0 up
+
+ dd if=/dev/urandom of=$TMPFILE bs=1024 count=2048 &>/dev/null
+ set +e
+}
+
+cleanup()
+{
+ rm -rf $TMPFILE
+ [ -n "$PID" ] && kill $PID
+ ip link del dev gre1 &> /dev/null
+ ip link del dev veth0 &> /dev/null
+ ip netns del ns1
+}
+
+get_linklocal()
+{
+ local dev=$1
+ local ns=$2
+ local addr
+
+ [ -n "$ns" ] && ns="-netns $ns"
+
+ addr=$(ip -6 -br $ns addr show dev ${dev} | \
+ awk '{
+ for (i = 3; i <= NF; ++i) {
+ if ($i ~ /^fe80/)
+ print $i
+ }
+ }'
+ )
+ addr=${addr/\/*}
+
+ [ -z "$addr" ] && return 1
+
+ echo $addr
+
+ return 0
+}
+
+gre_create_tun()
+{
+ local a1=$1
+ local a2=$2
+ local mode
+
+ [[ $a1 =~ ^[0-9.]*$ ]] && mode=gre || mode=ip6gre
+
+ ip tunnel add gre1 mode $mode local $a1 remote $a2 dev veth0
+ ip link set gre1 up
+ $IP tunnel add gre1 mode $mode local $a2 remote $a1 dev veth0
+ $IP link set gre1 up
+}
+
+gre_gst_test_checks()
+{
+ local name=$1
+ local addr=$2
+
+ $NS_EXEC nc -kl $port >/dev/null &
+ PID=$!
+ while ! $NS_EXEC ss -ltn | grep -q $port; do ((i++)); sleep 0.01; done
+
+ cat $TMPFILE | timeout 1 nc $addr $port
+ log_test $? 0 "$name - copy file w/ TSO"
+
+ ethtool -K veth0 tso off
+
+ cat $TMPFILE | timeout 1 nc $addr $port
+ log_test $? 0 "$name - copy file w/ GSO"
+
+ ethtool -K veth0 tso on
+
+ kill $PID
+ PID=
+}
+
+gre6_gso_test()
+{
+ local port=7777
+
+ setup
+
+ a1=$(get_linklocal veth0)
+ a2=$(get_linklocal veth0 ns1)
+
+ gre_create_tun $a1 $a2
+
+ ip addr add 172.16.2.1/24 dev gre1
+ $IP addr add 172.16.2.2/24 dev gre1
+
+ ip -6 addr add 2001:db8:1::1/64 dev gre1 nodad
+ $IP -6 addr add 2001:db8:1::2/64 dev gre1 nodad
+
+ sleep 2
+
+ gre_gst_test_checks GREv6/v4 172.16.2.2
+ gre_gst_test_checks GREv6/v6 2001:db8:1::2
+
+ cleanup
+}
+
+gre_gso_test()
+{
+ gre6_gso_test
+}
+
+################################################################################
+# usage
+
+usage()
+{
+ cat <<EOF
+usage: ${0##*/} OPTS
+
+ -t <test> Test(s) to run (default: all)
+ (options: $TESTS)
+ -p Pause on fail
+ -P Pause after each test before cleanup
+ -v verbose mode (show commands and output)
+EOF
+}
+
+################################################################################
+# main
+
+while getopts :t:pPhv o
+do
+ case $o in
+ t) TESTS=$OPTARG;;
+ p) PAUSE_ON_FAIL=yes;;
+ P) PAUSE=yes;;
+ v) VERBOSE=$(($VERBOSE + 1));;
+ h) usage; exit 0;;
+ *) usage; exit 1;;
+ esac
+done
+
+PEER_CMD="ip netns exec ${PEER_NS}"
+
+# make sure we don't pause twice
+[ "${PAUSE}" = "yes" ] && PAUSE_ON_FAIL=no
+
+if [ "$(id -u)" -ne 0 ];then
+ echo "SKIP: Need root privileges"
+ exit $ksft_skip;
+fi
+
+if [ ! -x "$(command -v ip)" ]; then
+ echo "SKIP: Could not run test without ip tool"
+ exit $ksft_skip
+fi
+
+if [ ! -x "$(command -v nc)" ]; then
+ echo "SKIP: Could not run test without nc tool"
+ exit $ksft_skip
+fi
+
+# start clean
+cleanup &> /dev/null
+
+for t in $TESTS
+do
+ case $t in
+ gre_gso) gre_gso_test;;
+
+ help) echo "Test names: $TESTS"; exit 0;;
+ esac
+done
+
+if [ "$TESTS" != "none" ]; then
+ printf "\nTests passed: %3d\n" ${nsuccess}
+ printf "Tests failed: %3d\n" ${nfail}
+fi
+
+exit $ret
diff --git a/tools/testing/selftests/net/mptcp/simult_flows.sh b/tools/testing/selftests/net/mptcp/simult_flows.sh
index fd63ebfe9a2b..910d8126af8f 100755
--- a/tools/testing/selftests/net/mptcp/simult_flows.sh
+++ b/tools/testing/selftests/net/mptcp/simult_flows.sh
@@ -22,8 +22,8 @@ usage() {
cleanup()
{
- rm -f "$cin" "$cout"
- rm -f "$sin" "$sout"
+ rm -f "$cout" "$sout"
+ rm -f "$large" "$small"
rm -f "$capout"
local netns