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-rw-r--r--tools/testing/selftests/bpf/test_maps.c301
1 files changed, 201 insertions, 100 deletions
diff --git a/tools/testing/selftests/bpf/test_maps.c b/tools/testing/selftests/bpf/test_maps.c
index eedfef8d2946..79601c81e169 100644
--- a/tools/testing/selftests/bpf/test_maps.c
+++ b/tools/testing/selftests/bpf/test_maps.c
@@ -21,17 +21,17 @@
#include <linux/bpf.h>
-#include "bpf_sys.h"
+#include <bpf/bpf.h>
#include "bpf_util.h"
static int map_flags;
static void test_hashmap(int task, void *data)
{
- long long key, next_key, value;
+ long long key, next_key, first_key, value;
int fd;
- fd = bpf_map_create(BPF_MAP_TYPE_HASH, sizeof(key), sizeof(value),
+ fd = bpf_create_map(BPF_MAP_TYPE_HASH, sizeof(key), sizeof(value),
2, map_flags);
if (fd < 0) {
printf("Failed to create hashmap '%s'!\n", strerror(errno));
@@ -41,145 +41,178 @@ static void test_hashmap(int task, void *data)
key = 1;
value = 1234;
/* Insert key=1 element. */
- assert(bpf_map_update(fd, &key, &value, BPF_ANY) == 0);
+ assert(bpf_map_update_elem(fd, &key, &value, BPF_ANY) == 0);
value = 0;
/* BPF_NOEXIST means add new element if it doesn't exist. */
- assert(bpf_map_update(fd, &key, &value, BPF_NOEXIST) == -1 &&
+ assert(bpf_map_update_elem(fd, &key, &value, BPF_NOEXIST) == -1 &&
/* key=1 already exists. */
errno == EEXIST);
/* -1 is an invalid flag. */
- assert(bpf_map_update(fd, &key, &value, -1) == -1 && errno == EINVAL);
+ assert(bpf_map_update_elem(fd, &key, &value, -1) == -1 &&
+ errno == EINVAL);
/* Check that key=1 can be found. */
- assert(bpf_map_lookup(fd, &key, &value) == 0 && value == 1234);
+ assert(bpf_map_lookup_elem(fd, &key, &value) == 0 && value == 1234);
key = 2;
/* Check that key=2 is not found. */
- assert(bpf_map_lookup(fd, &key, &value) == -1 && errno == ENOENT);
+ assert(bpf_map_lookup_elem(fd, &key, &value) == -1 && errno == ENOENT);
/* BPF_EXIST means update existing element. */
- assert(bpf_map_update(fd, &key, &value, BPF_EXIST) == -1 &&
+ assert(bpf_map_update_elem(fd, &key, &value, BPF_EXIST) == -1 &&
/* key=2 is not there. */
errno == ENOENT);
/* Insert key=2 element. */
- assert(bpf_map_update(fd, &key, &value, BPF_NOEXIST) == 0);
+ assert(bpf_map_update_elem(fd, &key, &value, BPF_NOEXIST) == 0);
/* key=1 and key=2 were inserted, check that key=0 cannot be
* inserted due to max_entries limit.
*/
key = 0;
- assert(bpf_map_update(fd, &key, &value, BPF_NOEXIST) == -1 &&
+ assert(bpf_map_update_elem(fd, &key, &value, BPF_NOEXIST) == -1 &&
errno == E2BIG);
/* Update existing element, though the map is full. */
key = 1;
- assert(bpf_map_update(fd, &key, &value, BPF_EXIST) == 0);
+ assert(bpf_map_update_elem(fd, &key, &value, BPF_EXIST) == 0);
key = 2;
- assert(bpf_map_update(fd, &key, &value, BPF_ANY) == 0);
- key = 1;
- assert(bpf_map_update(fd, &key, &value, BPF_ANY) == 0);
+ assert(bpf_map_update_elem(fd, &key, &value, BPF_ANY) == 0);
+ key = 3;
+ assert(bpf_map_update_elem(fd, &key, &value, BPF_NOEXIST) == -1 &&
+ errno == E2BIG);
/* Check that key = 0 doesn't exist. */
key = 0;
- assert(bpf_map_delete(fd, &key) == -1 && errno == ENOENT);
+ assert(bpf_map_delete_elem(fd, &key) == -1 && errno == ENOENT);
/* Iterate over two elements. */
- assert(bpf_map_next_key(fd, &key, &next_key) == 0 &&
- (next_key == 1 || next_key == 2));
- assert(bpf_map_next_key(fd, &next_key, &next_key) == 0 &&
- (next_key == 1 || next_key == 2));
- assert(bpf_map_next_key(fd, &next_key, &next_key) == -1 &&
+ assert(bpf_map_get_next_key(fd, NULL, &first_key) == 0 &&
+ (first_key == 1 || first_key == 2));
+ assert(bpf_map_get_next_key(fd, &key, &next_key) == 0 &&
+ (next_key == first_key));
+ assert(bpf_map_get_next_key(fd, &next_key, &next_key) == 0 &&
+ (next_key == 1 || next_key == 2) &&
+ (next_key != first_key));
+ assert(bpf_map_get_next_key(fd, &next_key, &next_key) == -1 &&
errno == ENOENT);
/* Delete both elements. */
key = 1;
- assert(bpf_map_delete(fd, &key) == 0);
+ assert(bpf_map_delete_elem(fd, &key) == 0);
key = 2;
- assert(bpf_map_delete(fd, &key) == 0);
- assert(bpf_map_delete(fd, &key) == -1 && errno == ENOENT);
+ assert(bpf_map_delete_elem(fd, &key) == 0);
+ assert(bpf_map_delete_elem(fd, &key) == -1 && errno == ENOENT);
key = 0;
/* Check that map is empty. */
- assert(bpf_map_next_key(fd, &key, &next_key) == -1 &&
+ assert(bpf_map_get_next_key(fd, NULL, &next_key) == -1 &&
+ errno == ENOENT);
+ assert(bpf_map_get_next_key(fd, &key, &next_key) == -1 &&
errno == ENOENT);
close(fd);
}
+static void test_hashmap_sizes(int task, void *data)
+{
+ int fd, i, j;
+
+ for (i = 1; i <= 512; i <<= 1)
+ for (j = 1; j <= 1 << 18; j <<= 1) {
+ fd = bpf_create_map(BPF_MAP_TYPE_HASH, i, j,
+ 2, map_flags);
+ if (fd < 0) {
+ printf("Failed to create hashmap key=%d value=%d '%s'\n",
+ i, j, strerror(errno));
+ exit(1);
+ }
+ close(fd);
+ usleep(10); /* give kernel time to destroy */
+ }
+}
+
static void test_hashmap_percpu(int task, void *data)
{
unsigned int nr_cpus = bpf_num_possible_cpus();
- long long value[nr_cpus];
- long long key, next_key;
+ BPF_DECLARE_PERCPU(long, value);
+ long long key, next_key, first_key;
int expected_key_mask = 0;
int fd, i;
- fd = bpf_map_create(BPF_MAP_TYPE_PERCPU_HASH, sizeof(key),
- sizeof(value[0]), 2, map_flags);
+ fd = bpf_create_map(BPF_MAP_TYPE_PERCPU_HASH, sizeof(key),
+ sizeof(bpf_percpu(value, 0)), 2, map_flags);
if (fd < 0) {
printf("Failed to create hashmap '%s'!\n", strerror(errno));
exit(1);
}
for (i = 0; i < nr_cpus; i++)
- value[i] = i + 100;
+ bpf_percpu(value, i) = i + 100;
key = 1;
/* Insert key=1 element. */
assert(!(expected_key_mask & key));
- assert(bpf_map_update(fd, &key, value, BPF_ANY) == 0);
+ assert(bpf_map_update_elem(fd, &key, value, BPF_ANY) == 0);
expected_key_mask |= key;
/* BPF_NOEXIST means add new element if it doesn't exist. */
- assert(bpf_map_update(fd, &key, value, BPF_NOEXIST) == -1 &&
+ assert(bpf_map_update_elem(fd, &key, value, BPF_NOEXIST) == -1 &&
/* key=1 already exists. */
errno == EEXIST);
/* -1 is an invalid flag. */
- assert(bpf_map_update(fd, &key, value, -1) == -1 && errno == EINVAL);
+ assert(bpf_map_update_elem(fd, &key, value, -1) == -1 &&
+ errno == EINVAL);
/* Check that key=1 can be found. Value could be 0 if the lookup
* was run from a different CPU.
*/
- value[0] = 1;
- assert(bpf_map_lookup(fd, &key, value) == 0 && value[0] == 100);
+ bpf_percpu(value, 0) = 1;
+ assert(bpf_map_lookup_elem(fd, &key, value) == 0 &&
+ bpf_percpu(value, 0) == 100);
key = 2;
/* Check that key=2 is not found. */
- assert(bpf_map_lookup(fd, &key, value) == -1 && errno == ENOENT);
+ assert(bpf_map_lookup_elem(fd, &key, value) == -1 && errno == ENOENT);
/* BPF_EXIST means update existing element. */
- assert(bpf_map_update(fd, &key, value, BPF_EXIST) == -1 &&
+ assert(bpf_map_update_elem(fd, &key, value, BPF_EXIST) == -1 &&
/* key=2 is not there. */
errno == ENOENT);
/* Insert key=2 element. */
assert(!(expected_key_mask & key));
- assert(bpf_map_update(fd, &key, value, BPF_NOEXIST) == 0);
+ assert(bpf_map_update_elem(fd, &key, value, BPF_NOEXIST) == 0);
expected_key_mask |= key;
/* key=1 and key=2 were inserted, check that key=0 cannot be
* inserted due to max_entries limit.
*/
key = 0;
- assert(bpf_map_update(fd, &key, value, BPF_NOEXIST) == -1 &&
+ assert(bpf_map_update_elem(fd, &key, value, BPF_NOEXIST) == -1 &&
errno == E2BIG);
/* Check that key = 0 doesn't exist. */
- assert(bpf_map_delete(fd, &key) == -1 && errno == ENOENT);
+ assert(bpf_map_delete_elem(fd, &key) == -1 && errno == ENOENT);
/* Iterate over two elements. */
- while (!bpf_map_next_key(fd, &key, &next_key)) {
+ assert(bpf_map_get_next_key(fd, NULL, &first_key) == 0 &&
+ ((expected_key_mask & first_key) == first_key));
+ while (!bpf_map_get_next_key(fd, &key, &next_key)) {
+ if (first_key) {
+ assert(next_key == first_key);
+ first_key = 0;
+ }
assert((expected_key_mask & next_key) == next_key);
expected_key_mask &= ~next_key;
- assert(bpf_map_lookup(fd, &next_key, value) == 0);
+ assert(bpf_map_lookup_elem(fd, &next_key, value) == 0);
for (i = 0; i < nr_cpus; i++)
- assert(value[i] == i + 100);
+ assert(bpf_percpu(value, i) == i + 100);
key = next_key;
}
@@ -187,29 +220,79 @@ static void test_hashmap_percpu(int task, void *data)
/* Update with BPF_EXIST. */
key = 1;
- assert(bpf_map_update(fd, &key, value, BPF_EXIST) == 0);
+ assert(bpf_map_update_elem(fd, &key, value, BPF_EXIST) == 0);
/* Delete both elements. */
key = 1;
- assert(bpf_map_delete(fd, &key) == 0);
+ assert(bpf_map_delete_elem(fd, &key) == 0);
key = 2;
- assert(bpf_map_delete(fd, &key) == 0);
- assert(bpf_map_delete(fd, &key) == -1 && errno == ENOENT);
+ assert(bpf_map_delete_elem(fd, &key) == 0);
+ assert(bpf_map_delete_elem(fd, &key) == -1 && errno == ENOENT);
key = 0;
/* Check that map is empty. */
- assert(bpf_map_next_key(fd, &key, &next_key) == -1 &&
+ assert(bpf_map_get_next_key(fd, NULL, &next_key) == -1 &&
+ errno == ENOENT);
+ assert(bpf_map_get_next_key(fd, &key, &next_key) == -1 &&
errno == ENOENT);
close(fd);
}
+static void test_hashmap_walk(int task, void *data)
+{
+ int fd, i, max_entries = 100000;
+ long long key, value, next_key;
+ bool next_key_valid = true;
+
+ fd = bpf_create_map(BPF_MAP_TYPE_HASH, sizeof(key), sizeof(value),
+ max_entries, map_flags);
+ if (fd < 0) {
+ printf("Failed to create hashmap '%s'!\n", strerror(errno));
+ exit(1);
+ }
+
+ for (i = 0; i < max_entries; i++) {
+ key = i; value = key;
+ assert(bpf_map_update_elem(fd, &key, &value, BPF_NOEXIST) == 0);
+ }
+
+ for (i = 0; bpf_map_get_next_key(fd, !i ? NULL : &key,
+ &next_key) == 0; i++) {
+ key = next_key;
+ assert(bpf_map_lookup_elem(fd, &key, &value) == 0);
+ }
+
+ assert(i == max_entries);
+
+ assert(bpf_map_get_next_key(fd, NULL, &key) == 0);
+ for (i = 0; next_key_valid; i++) {
+ next_key_valid = bpf_map_get_next_key(fd, &key, &next_key) == 0;
+ assert(bpf_map_lookup_elem(fd, &key, &value) == 0);
+ value++;
+ assert(bpf_map_update_elem(fd, &key, &value, BPF_EXIST) == 0);
+ key = next_key;
+ }
+
+ assert(i == max_entries);
+
+ for (i = 0; bpf_map_get_next_key(fd, !i ? NULL : &key,
+ &next_key) == 0; i++) {
+ key = next_key;
+ assert(bpf_map_lookup_elem(fd, &key, &value) == 0);
+ assert(value - 1 == key);
+ }
+
+ assert(i == max_entries);
+ close(fd);
+}
+
static void test_arraymap(int task, void *data)
{
int key, next_key, fd;
long long value;
- fd = bpf_map_create(BPF_MAP_TYPE_ARRAY, sizeof(key), sizeof(value),
+ fd = bpf_create_map(BPF_MAP_TYPE_ARRAY, sizeof(key), sizeof(value),
2, 0);
if (fd < 0) {
printf("Failed to create arraymap '%s'!\n", strerror(errno));
@@ -219,40 +302,42 @@ static void test_arraymap(int task, void *data)
key = 1;
value = 1234;
/* Insert key=1 element. */
- assert(bpf_map_update(fd, &key, &value, BPF_ANY) == 0);
+ assert(bpf_map_update_elem(fd, &key, &value, BPF_ANY) == 0);
value = 0;
- assert(bpf_map_update(fd, &key, &value, BPF_NOEXIST) == -1 &&
+ assert(bpf_map_update_elem(fd, &key, &value, BPF_NOEXIST) == -1 &&
errno == EEXIST);
/* Check that key=1 can be found. */
- assert(bpf_map_lookup(fd, &key, &value) == 0 && value == 1234);
+ assert(bpf_map_lookup_elem(fd, &key, &value) == 0 && value == 1234);
key = 0;
/* Check that key=0 is also found and zero initialized. */
- assert(bpf_map_lookup(fd, &key, &value) == 0 && value == 0);
+ assert(bpf_map_lookup_elem(fd, &key, &value) == 0 && value == 0);
/* key=0 and key=1 were inserted, check that key=2 cannot be inserted
* due to max_entries limit.
*/
key = 2;
- assert(bpf_map_update(fd, &key, &value, BPF_EXIST) == -1 &&
+ assert(bpf_map_update_elem(fd, &key, &value, BPF_EXIST) == -1 &&
errno == E2BIG);
/* Check that key = 2 doesn't exist. */
- assert(bpf_map_lookup(fd, &key, &value) == -1 && errno == ENOENT);
+ assert(bpf_map_lookup_elem(fd, &key, &value) == -1 && errno == ENOENT);
/* Iterate over two elements. */
- assert(bpf_map_next_key(fd, &key, &next_key) == 0 &&
+ assert(bpf_map_get_next_key(fd, NULL, &next_key) == 0 &&
next_key == 0);
- assert(bpf_map_next_key(fd, &next_key, &next_key) == 0 &&
+ assert(bpf_map_get_next_key(fd, &key, &next_key) == 0 &&
+ next_key == 0);
+ assert(bpf_map_get_next_key(fd, &next_key, &next_key) == 0 &&
next_key == 1);
- assert(bpf_map_next_key(fd, &next_key, &next_key) == -1 &&
+ assert(bpf_map_get_next_key(fd, &next_key, &next_key) == -1 &&
errno == ENOENT);
/* Delete shouldn't succeed. */
key = 1;
- assert(bpf_map_delete(fd, &key) == -1 && errno == EINVAL);
+ assert(bpf_map_delete_elem(fd, &key) == -1 && errno == EINVAL);
close(fd);
}
@@ -260,54 +345,58 @@ static void test_arraymap(int task, void *data)
static void test_arraymap_percpu(int task, void *data)
{
unsigned int nr_cpus = bpf_num_possible_cpus();
+ BPF_DECLARE_PERCPU(long, values);
int key, next_key, fd, i;
- long values[nr_cpus];
- fd = bpf_map_create(BPF_MAP_TYPE_PERCPU_ARRAY, sizeof(key),
- sizeof(values[0]), 2, 0);
+ fd = bpf_create_map(BPF_MAP_TYPE_PERCPU_ARRAY, sizeof(key),
+ sizeof(bpf_percpu(values, 0)), 2, 0);
if (fd < 0) {
printf("Failed to create arraymap '%s'!\n", strerror(errno));
exit(1);
}
for (i = 0; i < nr_cpus; i++)
- values[i] = i + 100;
+ bpf_percpu(values, i) = i + 100;
key = 1;
/* Insert key=1 element. */
- assert(bpf_map_update(fd, &key, values, BPF_ANY) == 0);
+ assert(bpf_map_update_elem(fd, &key, values, BPF_ANY) == 0);
- values[0] = 0;
- assert(bpf_map_update(fd, &key, values, BPF_NOEXIST) == -1 &&
+ bpf_percpu(values, 0) = 0;
+ assert(bpf_map_update_elem(fd, &key, values, BPF_NOEXIST) == -1 &&
errno == EEXIST);
/* Check that key=1 can be found. */
- assert(bpf_map_lookup(fd, &key, values) == 0 && values[0] == 100);
+ assert(bpf_map_lookup_elem(fd, &key, values) == 0 &&
+ bpf_percpu(values, 0) == 100);
key = 0;
/* Check that key=0 is also found and zero initialized. */
- assert(bpf_map_lookup(fd, &key, values) == 0 &&
- values[0] == 0 && values[nr_cpus - 1] == 0);
+ assert(bpf_map_lookup_elem(fd, &key, values) == 0 &&
+ bpf_percpu(values, 0) == 0 &&
+ bpf_percpu(values, nr_cpus - 1) == 0);
/* Check that key=2 cannot be inserted due to max_entries limit. */
key = 2;
- assert(bpf_map_update(fd, &key, values, BPF_EXIST) == -1 &&
+ assert(bpf_map_update_elem(fd, &key, values, BPF_EXIST) == -1 &&
errno == E2BIG);
/* Check that key = 2 doesn't exist. */
- assert(bpf_map_lookup(fd, &key, values) == -1 && errno == ENOENT);
+ assert(bpf_map_lookup_elem(fd, &key, values) == -1 && errno == ENOENT);
/* Iterate over two elements. */
- assert(bpf_map_next_key(fd, &key, &next_key) == 0 &&
+ assert(bpf_map_get_next_key(fd, NULL, &next_key) == 0 &&
+ next_key == 0);
+ assert(bpf_map_get_next_key(fd, &key, &next_key) == 0 &&
next_key == 0);
- assert(bpf_map_next_key(fd, &next_key, &next_key) == 0 &&
+ assert(bpf_map_get_next_key(fd, &next_key, &next_key) == 0 &&
next_key == 1);
- assert(bpf_map_next_key(fd, &next_key, &next_key) == -1 &&
+ assert(bpf_map_get_next_key(fd, &next_key, &next_key) == -1 &&
errno == ENOENT);
/* Delete shouldn't succeed. */
key = 1;
- assert(bpf_map_delete(fd, &key) == -1 && errno == EINVAL);
+ assert(bpf_map_delete_elem(fd, &key) == -1 && errno == EINVAL);
close(fd);
}
@@ -315,12 +404,15 @@ static void test_arraymap_percpu(int task, void *data)
static void test_arraymap_percpu_many_keys(void)
{
unsigned int nr_cpus = bpf_num_possible_cpus();
- unsigned int nr_keys = 20000;
- long values[nr_cpus];
+ BPF_DECLARE_PERCPU(long, values);
+ /* nr_keys is not too large otherwise the test stresses percpu
+ * allocator more than anything else
+ */
+ unsigned int nr_keys = 2000;
int key, fd, i;
- fd = bpf_map_create(BPF_MAP_TYPE_PERCPU_ARRAY, sizeof(key),
- sizeof(values[0]), nr_keys, 0);
+ fd = bpf_create_map(BPF_MAP_TYPE_PERCPU_ARRAY, sizeof(key),
+ sizeof(bpf_percpu(values, 0)), nr_keys, 0);
if (fd < 0) {
printf("Failed to create per-cpu arraymap '%s'!\n",
strerror(errno));
@@ -328,19 +420,19 @@ static void test_arraymap_percpu_many_keys(void)
}
for (i = 0; i < nr_cpus; i++)
- values[i] = i + 10;
+ bpf_percpu(values, i) = i + 10;
for (key = 0; key < nr_keys; key++)
- assert(bpf_map_update(fd, &key, values, BPF_ANY) == 0);
+ assert(bpf_map_update_elem(fd, &key, values, BPF_ANY) == 0);
for (key = 0; key < nr_keys; key++) {
for (i = 0; i < nr_cpus; i++)
- values[i] = 0;
+ bpf_percpu(values, i) = 0;
- assert(bpf_map_lookup(fd, &key, values) == 0);
+ assert(bpf_map_lookup_elem(fd, &key, values) == 0);
for (i = 0; i < nr_cpus; i++)
- assert(values[i] == i + 10);
+ assert(bpf_percpu(values, i) == i + 10);
}
close(fd);
@@ -357,7 +449,7 @@ static void test_map_large(void)
} key;
int fd, i, value;
- fd = bpf_map_create(BPF_MAP_TYPE_HASH, sizeof(key), sizeof(value),
+ fd = bpf_create_map(BPF_MAP_TYPE_HASH, sizeof(key), sizeof(value),
MAP_SIZE, map_flags);
if (fd < 0) {
printf("Failed to create large map '%s'!\n", strerror(errno));
@@ -368,22 +460,24 @@ static void test_map_large(void)
key = (struct bigkey) { .c = i };
value = i;
- assert(bpf_map_update(fd, &key, &value, BPF_NOEXIST) == 0);
+ assert(bpf_map_update_elem(fd, &key, &value, BPF_NOEXIST) == 0);
}
key.c = -1;
- assert(bpf_map_update(fd, &key, &value, BPF_NOEXIST) == -1 &&
+ assert(bpf_map_update_elem(fd, &key, &value, BPF_NOEXIST) == -1 &&
errno == E2BIG);
/* Iterate through all elements. */
+ assert(bpf_map_get_next_key(fd, NULL, &key) == 0);
+ key.c = -1;
for (i = 0; i < MAP_SIZE; i++)
- assert(bpf_map_next_key(fd, &key, &key) == 0);
- assert(bpf_map_next_key(fd, &key, &key) == -1 && errno == ENOENT);
+ assert(bpf_map_get_next_key(fd, &key, &key) == 0);
+ assert(bpf_map_get_next_key(fd, &key, &key) == -1 && errno == ENOENT);
key.c = 0;
- assert(bpf_map_lookup(fd, &key, &value) == 0 && value == 0);
+ assert(bpf_map_lookup_elem(fd, &key, &value) == 0 && value == 0);
key.a = 1;
- assert(bpf_map_lookup(fd, &key, &value) == -1 && errno == ENOENT);
+ assert(bpf_map_lookup_elem(fd, &key, &value) == -1 && errno == ENOENT);
close(fd);
}
@@ -417,6 +511,8 @@ static void test_map_stress(void)
{
run_parallel(100, test_hashmap, NULL);
run_parallel(100, test_hashmap_percpu, NULL);
+ run_parallel(100, test_hashmap_sizes, NULL);
+ run_parallel(100, test_hashmap_walk, NULL);
run_parallel(100, test_arraymap, NULL);
run_parallel(100, test_arraymap_percpu, NULL);
@@ -437,10 +533,12 @@ static void do_work(int fn, void *data)
key = value = i;
if (do_update) {
- assert(bpf_map_update(fd, &key, &value, BPF_NOEXIST) == 0);
- assert(bpf_map_update(fd, &key, &value, BPF_EXIST) == 0);
+ assert(bpf_map_update_elem(fd, &key, &value,
+ BPF_NOEXIST) == 0);
+ assert(bpf_map_update_elem(fd, &key, &value,
+ BPF_EXIST) == 0);
} else {
- assert(bpf_map_delete(fd, &key) == 0);
+ assert(bpf_map_delete_elem(fd, &key) == 0);
}
}
}
@@ -450,7 +548,7 @@ static void test_map_parallel(void)
int i, fd, key = 0, value = 0;
int data[2];
- fd = bpf_map_create(BPF_MAP_TYPE_HASH, sizeof(key), sizeof(value),
+ fd = bpf_create_map(BPF_MAP_TYPE_HASH, sizeof(key), sizeof(value),
MAP_SIZE, map_flags);
if (fd < 0) {
printf("Failed to create map for parallel test '%s'!\n",
@@ -468,20 +566,21 @@ static void test_map_parallel(void)
run_parallel(TASKS, do_work, data);
/* Check that key=0 is already there. */
- assert(bpf_map_update(fd, &key, &value, BPF_NOEXIST) == -1 &&
+ assert(bpf_map_update_elem(fd, &key, &value, BPF_NOEXIST) == -1 &&
errno == EEXIST);
/* Check that all elements were inserted. */
+ assert(bpf_map_get_next_key(fd, NULL, &key) == 0);
key = -1;
for (i = 0; i < MAP_SIZE; i++)
- assert(bpf_map_next_key(fd, &key, &key) == 0);
- assert(bpf_map_next_key(fd, &key, &key) == -1 && errno == ENOENT);
+ assert(bpf_map_get_next_key(fd, &key, &key) == 0);
+ assert(bpf_map_get_next_key(fd, &key, &key) == -1 && errno == ENOENT);
/* Another check for all elements */
for (i = 0; i < MAP_SIZE; i++) {
key = MAP_SIZE - i - 1;
- assert(bpf_map_lookup(fd, &key, &value) == 0 &&
+ assert(bpf_map_lookup_elem(fd, &key, &value) == 0 &&
value == key);
}
@@ -491,13 +590,15 @@ static void test_map_parallel(void)
/* Nothing should be left. */
key = -1;
- assert(bpf_map_next_key(fd, &key, &key) == -1 && errno == ENOENT);
+ assert(bpf_map_get_next_key(fd, NULL, &key) == -1 && errno == ENOENT);
+ assert(bpf_map_get_next_key(fd, &key, &key) == -1 && errno == ENOENT);
}
static void run_all_tests(void)
{
test_hashmap(0, NULL);
test_hashmap_percpu(0, NULL);
+ test_hashmap_walk(0, NULL);
test_arraymap(0, NULL);
test_arraymap_percpu(0, NULL);
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