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-rw-r--r--tools/build/feature/test-bpf.c2
-rw-r--r--tools/lib/bpf/bpf.c2
-rw-r--r--tools/testing/selftests/bpf/test_pkt_md_access.c11
-rw-r--r--tools/testing/selftests/bpf/test_verifier.c19
4 files changed, 25 insertions, 9 deletions
diff --git a/tools/build/feature/test-bpf.c b/tools/build/feature/test-bpf.c
index 7598361ef1f1..da2172ff9662 100644
--- a/tools/build/feature/test-bpf.c
+++ b/tools/build/feature/test-bpf.c
@@ -11,6 +11,8 @@
# define __NR_bpf 280
# elif defined(__sparc__)
# define __NR_bpf 349
+# elif defined(__s390__)
+# define __NR_bpf 351
# else
# error __NR_bpf not defined. libbpf does not support your arch.
# endif
diff --git a/tools/lib/bpf/bpf.c b/tools/lib/bpf/bpf.c
index 256f571f2ab5..e5bbb090bf88 100644
--- a/tools/lib/bpf/bpf.c
+++ b/tools/lib/bpf/bpf.c
@@ -39,6 +39,8 @@
# define __NR_bpf 280
# elif defined(__sparc__)
# define __NR_bpf 349
+# elif defined(__s390__)
+# define __NR_bpf 351
# else
# error __NR_bpf not defined. libbpf does not support your arch.
# endif
diff --git a/tools/testing/selftests/bpf/test_pkt_md_access.c b/tools/testing/selftests/bpf/test_pkt_md_access.c
index 71729d47eb85..7956302ecdf2 100644
--- a/tools/testing/selftests/bpf/test_pkt_md_access.c
+++ b/tools/testing/selftests/bpf/test_pkt_md_access.c
@@ -12,12 +12,23 @@
int _version SEC("version") = 1;
+#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
#define TEST_FIELD(TYPE, FIELD, MASK) \
{ \
TYPE tmp = *(volatile TYPE *)&skb->FIELD; \
if (tmp != ((*(volatile __u32 *)&skb->FIELD) & MASK)) \
return TC_ACT_SHOT; \
}
+#else
+#define TEST_FIELD_OFFSET(a, b) ((sizeof(a) - sizeof(b)) / sizeof(b))
+#define TEST_FIELD(TYPE, FIELD, MASK) \
+ { \
+ TYPE tmp = *((volatile TYPE *)&skb->FIELD + \
+ TEST_FIELD_OFFSET(skb->FIELD, TYPE)); \
+ if (tmp != ((*(volatile __u32 *)&skb->FIELD) & MASK)) \
+ return TC_ACT_SHOT; \
+ }
+#endif
SEC("test1")
int process(struct __sk_buff *skb)
diff --git a/tools/testing/selftests/bpf/test_verifier.c b/tools/testing/selftests/bpf/test_verifier.c
index 65aa562cff87..ab0cd1198326 100644
--- a/tools/testing/selftests/bpf/test_verifier.c
+++ b/tools/testing/selftests/bpf/test_verifier.c
@@ -8,6 +8,7 @@
* License as published by the Free Software Foundation.
*/
+#include <endian.h>
#include <asm/types.h>
#include <linux/types.h>
#include <stdint.h>
@@ -1101,7 +1102,7 @@ static struct bpf_test tests[] = {
"check skb->hash byte load permitted",
.insns = {
BPF_MOV64_IMM(BPF_REG_0, 0),
-#ifdef __LITTLE_ENDIAN
+#if __BYTE_ORDER == __LITTLE_ENDIAN
BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
offsetof(struct __sk_buff, hash)),
#else
@@ -1138,7 +1139,7 @@ static struct bpf_test tests[] = {
"check skb->hash byte load not permitted 3",
.insns = {
BPF_MOV64_IMM(BPF_REG_0, 0),
-#ifdef __LITTLE_ENDIAN
+#if __BYTE_ORDER == __LITTLE_ENDIAN
BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
offsetof(struct __sk_buff, hash) + 3),
#else
@@ -1248,7 +1249,7 @@ static struct bpf_test tests[] = {
"check skb->hash half load permitted",
.insns = {
BPF_MOV64_IMM(BPF_REG_0, 0),
-#ifdef __LITTLE_ENDIAN
+#if __BYTE_ORDER == __LITTLE_ENDIAN
BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
offsetof(struct __sk_buff, hash)),
#else
@@ -1263,7 +1264,7 @@ static struct bpf_test tests[] = {
"check skb->hash half load not permitted",
.insns = {
BPF_MOV64_IMM(BPF_REG_0, 0),
-#ifdef __LITTLE_ENDIAN
+#if __BYTE_ORDER == __LITTLE_ENDIAN
BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
offsetof(struct __sk_buff, hash) + 2),
#else
@@ -5430,7 +5431,7 @@ static struct bpf_test tests[] = {
"check bpf_perf_event_data->sample_period byte load permitted",
.insns = {
BPF_MOV64_IMM(BPF_REG_0, 0),
-#ifdef __LITTLE_ENDIAN
+#if __BYTE_ORDER == __LITTLE_ENDIAN
BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
offsetof(struct bpf_perf_event_data, sample_period)),
#else
@@ -5446,7 +5447,7 @@ static struct bpf_test tests[] = {
"check bpf_perf_event_data->sample_period half load permitted",
.insns = {
BPF_MOV64_IMM(BPF_REG_0, 0),
-#ifdef __LITTLE_ENDIAN
+#if __BYTE_ORDER == __LITTLE_ENDIAN
BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
offsetof(struct bpf_perf_event_data, sample_period)),
#else
@@ -5462,7 +5463,7 @@ static struct bpf_test tests[] = {
"check bpf_perf_event_data->sample_period word load permitted",
.insns = {
BPF_MOV64_IMM(BPF_REG_0, 0),
-#ifdef __LITTLE_ENDIAN
+#if __BYTE_ORDER == __LITTLE_ENDIAN
BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
offsetof(struct bpf_perf_event_data, sample_period)),
#else
@@ -5489,7 +5490,7 @@ static struct bpf_test tests[] = {
"check skb->data half load not permitted",
.insns = {
BPF_MOV64_IMM(BPF_REG_0, 0),
-#ifdef __LITTLE_ENDIAN
+#if __BYTE_ORDER == __LITTLE_ENDIAN
BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
offsetof(struct __sk_buff, data)),
#else
@@ -5505,7 +5506,7 @@ static struct bpf_test tests[] = {
"check skb->tc_classid half load not permitted for lwt prog",
.insns = {
BPF_MOV64_IMM(BPF_REG_0, 0),
-#ifdef __LITTLE_ENDIAN
+#if __BYTE_ORDER == __LITTLE_ENDIAN
BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
offsetof(struct __sk_buff, tc_classid)),
#else