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-rw-r--r--tools/testing/selftests/bpf/Makefile2
-rw-r--r--tools/testing/selftests/bpf/test_verifier.c63
-rw-r--r--tools/testing/selftests/ftrace/test.d/00basic/snapshot.tc28
-rwxr-xr-xtools/testing/selftests/net/fib_tests.sh41
-rwxr-xr-xtools/testing/selftests/net/udpgso_bench.sh3
5 files changed, 91 insertions, 46 deletions
diff --git a/tools/testing/selftests/bpf/Makefile b/tools/testing/selftests/bpf/Makefile
index 7a6214e9ae58..a362e3d7abc6 100644
--- a/tools/testing/selftests/bpf/Makefile
+++ b/tools/testing/selftests/bpf/Makefile
@@ -105,7 +105,7 @@ $(OUTPUT)/test_xdp_noinline.o: CLANG_FLAGS += -fno-inline
BTF_LLC_PROBE := $(shell $(LLC) -march=bpf -mattr=help 2>&1 | grep dwarfris)
BTF_PAHOLE_PROBE := $(shell $(BTF_PAHOLE) --help 2>&1 | grep BTF)
-BTF_OBJCOPY_PROBE := $(shell $(LLVM_OBJCOPY) --version 2>&1 | grep LLVM)
+BTF_OBJCOPY_PROBE := $(shell $(LLVM_OBJCOPY) --help 2>&1 | grep -i 'usage.*llvm')
ifneq ($(BTF_LLC_PROBE),)
ifneq ($(BTF_PAHOLE_PROBE),)
diff --git a/tools/testing/selftests/bpf/test_verifier.c b/tools/testing/selftests/bpf/test_verifier.c
index 2ecd27b670d7..41106d9d5cc7 100644
--- a/tools/testing/selftests/bpf/test_verifier.c
+++ b/tools/testing/selftests/bpf/test_verifier.c
@@ -4975,6 +4975,24 @@ static struct bpf_test tests[] = {
.prog_type = BPF_PROG_TYPE_LWT_XMIT,
},
{
+ "make headroom for LWT_XMIT",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+ BPF_MOV64_IMM(BPF_REG_2, 34),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_EMIT_CALL(BPF_FUNC_skb_change_head),
+ /* split for s390 to succeed */
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_MOV64_IMM(BPF_REG_2, 42),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_EMIT_CALL(BPF_FUNC_skb_change_head),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_LWT_XMIT,
+ },
+ {
"invalid access of tc_classid for LWT_IN",
.insns = {
BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
@@ -11987,6 +12005,46 @@ static struct bpf_test tests[] = {
.prog_type = BPF_PROG_TYPE_XDP,
},
{
+ "xadd/w check whether src/dst got mangled, 1",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -8),
+ BPF_STX_XADD(BPF_DW, BPF_REG_10, BPF_REG_0, -8),
+ BPF_STX_XADD(BPF_DW, BPF_REG_10, BPF_REG_0, -8),
+ BPF_JMP_REG(BPF_JNE, BPF_REG_6, BPF_REG_0, 3),
+ BPF_JMP_REG(BPF_JNE, BPF_REG_7, BPF_REG_10, 2),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_10, -8),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .retval = 3,
+ },
+ {
+ "xadd/w check whether src/dst got mangled, 2",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+ BPF_STX_MEM(BPF_W, BPF_REG_10, BPF_REG_0, -8),
+ BPF_STX_XADD(BPF_W, BPF_REG_10, BPF_REG_0, -8),
+ BPF_STX_XADD(BPF_W, BPF_REG_10, BPF_REG_0, -8),
+ BPF_JMP_REG(BPF_JNE, BPF_REG_6, BPF_REG_0, 3),
+ BPF_JMP_REG(BPF_JNE, BPF_REG_7, BPF_REG_10, 2),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_10, -8),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .retval = 3,
+ },
+ {
"bpf_get_stack return R0 within range",
.insns = {
BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
@@ -12554,8 +12612,11 @@ static void do_test_single(struct bpf_test *test, bool unpriv,
}
if (fd_prog >= 0) {
+ __u8 tmp[TEST_DATA_LEN << 2];
+ __u32 size_tmp = sizeof(tmp);
+
err = bpf_prog_test_run(fd_prog, 1, test->data,
- sizeof(test->data), NULL, NULL,
+ sizeof(test->data), tmp, &size_tmp,
&retval, NULL);
if (err && errno != 524/*ENOTSUPP*/ && errno != EPERM) {
printf("Unexpected bpf_prog_test_run error\n");
diff --git a/tools/testing/selftests/ftrace/test.d/00basic/snapshot.tc b/tools/testing/selftests/ftrace/test.d/00basic/snapshot.tc
new file mode 100644
index 000000000000..3b1f45e13a2e
--- /dev/null
+++ b/tools/testing/selftests/ftrace/test.d/00basic/snapshot.tc
@@ -0,0 +1,28 @@
+#!/bin/sh
+# description: Snapshot and tracing setting
+# flags: instance
+
+[ ! -f snapshot ] && exit_unsupported
+
+echo "Set tracing off"
+echo 0 > tracing_on
+
+echo "Allocate and take a snapshot"
+echo 1 > snapshot
+
+# Since trace buffer is empty, snapshot is also empty, but allocated
+grep -q "Snapshot is allocated" snapshot
+
+echo "Ensure keep tracing off"
+test `cat tracing_on` -eq 0
+
+echo "Set tracing on"
+echo 1 > tracing_on
+
+echo "Take a snapshot again"
+echo 1 > snapshot
+
+echo "Ensure keep tracing on"
+test `cat tracing_on` -eq 1
+
+exit 0
diff --git a/tools/testing/selftests/net/fib_tests.sh b/tools/testing/selftests/net/fib_tests.sh
index 78245d60d8bc..0f45633bd634 100755
--- a/tools/testing/selftests/net/fib_tests.sh
+++ b/tools/testing/selftests/net/fib_tests.sh
@@ -740,13 +740,6 @@ ipv6_rt_add()
run_cmd "$IP -6 ro add unreachable 2001:db8:104::/64"
log_test $? 2 "Attempt to add duplicate route - reject route"
- # iproute2 prepend only sets NLM_F_CREATE
- # - adds a new route; does NOT convert existing route to ECMP
- add_route6 "2001:db8:104::/64" "via 2001:db8:101::2"
- run_cmd "$IP -6 ro prepend 2001:db8:104::/64 via 2001:db8:103::2"
- check_route6 "2001:db8:104::/64 via 2001:db8:101::2 dev veth1 metric 1024 2001:db8:104::/64 via 2001:db8:103::2 dev veth3 metric 1024"
- log_test $? 0 "Add new route for existing prefix (w/o NLM_F_EXCL)"
-
# route append with same prefix adds a new route
# - iproute2 sets NLM_F_CREATE | NLM_F_APPEND
add_route6 "2001:db8:104::/64" "via 2001:db8:101::2"
@@ -754,27 +747,6 @@ ipv6_rt_add()
check_route6 "2001:db8:104::/64 metric 1024 nexthop via 2001:db8:101::2 dev veth1 weight 1 nexthop via 2001:db8:103::2 dev veth3 weight 1"
log_test $? 0 "Append nexthop to existing route - gw"
- add_route6 "2001:db8:104::/64" "via 2001:db8:101::2"
- run_cmd "$IP -6 ro append 2001:db8:104::/64 dev veth3"
- check_route6 "2001:db8:104::/64 metric 1024 nexthop via 2001:db8:101::2 dev veth1 weight 1 nexthop dev veth3 weight 1"
- log_test $? 0 "Append nexthop to existing route - dev only"
-
- # multipath route can not have a nexthop that is a reject route
- add_route6 "2001:db8:104::/64" "via 2001:db8:101::2"
- run_cmd "$IP -6 ro append unreachable 2001:db8:104::/64"
- log_test $? 2 "Append nexthop to existing route - reject route"
-
- # reject route can not be converted to multipath route
- run_cmd "$IP -6 ro flush 2001:db8:104::/64"
- run_cmd "$IP -6 ro add unreachable 2001:db8:104::/64"
- run_cmd "$IP -6 ro append 2001:db8:104::/64 via 2001:db8:103::2"
- log_test $? 2 "Append nexthop to existing reject route - gw"
-
- run_cmd "$IP -6 ro flush 2001:db8:104::/64"
- run_cmd "$IP -6 ro add unreachable 2001:db8:104::/64"
- run_cmd "$IP -6 ro append 2001:db8:104::/64 dev veth3"
- log_test $? 2 "Append nexthop to existing reject route - dev only"
-
# insert mpath directly
add_route6 "2001:db8:104::/64" "nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2"
check_route6 "2001:db8:104::/64 metric 1024 nexthop via 2001:db8:101::2 dev veth1 weight 1 nexthop via 2001:db8:103::2 dev veth3 weight 1"
@@ -819,13 +791,6 @@ ipv6_rt_replace_single()
check_route6 "2001:db8:104::/64 metric 1024 nexthop via 2001:db8:101::3 dev veth1 weight 1 nexthop via 2001:db8:103::2 dev veth3 weight 1"
log_test $? 0 "Single path with multipath"
- # single path with reject
- #
- add_initial_route6 "nexthop via 2001:db8:101::2"
- run_cmd "$IP -6 ro replace unreachable 2001:db8:104::/64"
- check_route6 "unreachable 2001:db8:104::/64 dev lo metric 1024"
- log_test $? 0 "Single path with reject route"
-
# single path with single path using MULTIPATH attribute
#
add_initial_route6 "via 2001:db8:101::2"
@@ -873,12 +838,6 @@ ipv6_rt_replace_mpath()
check_route6 "2001:db8:104::/64 via 2001:db8:101::3 dev veth1 metric 1024"
log_test $? 0 "Multipath with single path via multipath attribute"
- # multipath with reject
- add_initial_route6 "nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2"
- run_cmd "$IP -6 ro replace unreachable 2001:db8:104::/64"
- check_route6 "unreachable 2001:db8:104::/64 dev lo metric 1024"
- log_test $? 0 "Multipath with reject route"
-
# route replace fails - invalid nexthop 1
add_initial_route6 "nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2"
run_cmd "$IP -6 ro replace 2001:db8:104::/64 nexthop via 2001:db8:111::3 nexthop via 2001:db8:103::3"
diff --git a/tools/testing/selftests/net/udpgso_bench.sh b/tools/testing/selftests/net/udpgso_bench.sh
index 792fa4d0285e..850767befa47 100755
--- a/tools/testing/selftests/net/udpgso_bench.sh
+++ b/tools/testing/selftests/net/udpgso_bench.sh
@@ -35,9 +35,6 @@ run_udp() {
echo "udp gso"
run_in_netns ${args} -S
-
- echo "udp gso zerocopy"
- run_in_netns ${args} -S -z
}
run_tcp() {
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-02 17:07:25 +0000