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path: root/tools/testing/selftests/bpf/prog_tests/xdp_adjust_tail.c
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Diffstat (limited to 'tools/testing/selftests/bpf/prog_tests/xdp_adjust_tail.c')
-rw-r--r--tools/testing/selftests/bpf/prog_tests/xdp_adjust_tail.c126
1 files changed, 76 insertions, 50 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/xdp_adjust_tail.c b/tools/testing/selftests/bpf/prog_tests/xdp_adjust_tail.c
index ccc9e63254a8..21ceac24e174 100644
--- a/tools/testing/selftests/bpf/prog_tests/xdp_adjust_tail.c
+++ b/tools/testing/selftests/bpf/prog_tests/xdp_adjust_tail.c
@@ -5,26 +5,34 @@
static void test_xdp_adjust_tail_shrink(void)
{
const char *file = "./test_xdp_adjust_tail_shrink.o";
- __u32 duration, retval, size, expect_sz;
+ __u32 expect_sz;
struct bpf_object *obj;
int err, prog_fd;
char buf[128];
+ LIBBPF_OPTS(bpf_test_run_opts, topts,
+ .data_in = &pkt_v4,
+ .data_size_in = sizeof(pkt_v4),
+ .data_out = buf,
+ .data_size_out = sizeof(buf),
+ .repeat = 1,
+ );
err = bpf_prog_test_load(file, BPF_PROG_TYPE_XDP, &obj, &prog_fd);
if (ASSERT_OK(err, "test_xdp_adjust_tail_shrink"))
return;
- err = bpf_prog_test_run(prog_fd, 1, &pkt_v4, sizeof(pkt_v4),
- buf, &size, &retval, &duration);
+ err = bpf_prog_test_run_opts(prog_fd, &topts);
ASSERT_OK(err, "ipv4");
- ASSERT_EQ(retval, XDP_DROP, "ipv4 retval");
+ ASSERT_EQ(topts.retval, XDP_DROP, "ipv4 retval");
expect_sz = sizeof(pkt_v6) - 20; /* Test shrink with 20 bytes */
- err = bpf_prog_test_run(prog_fd, 1, &pkt_v6, sizeof(pkt_v6),
- buf, &size, &retval, &duration);
+ topts.data_in = &pkt_v6;
+ topts.data_size_in = sizeof(pkt_v6);
+ topts.data_size_out = sizeof(buf);
+ err = bpf_prog_test_run_opts(prog_fd, &topts);
ASSERT_OK(err, "ipv6");
- ASSERT_EQ(retval, XDP_TX, "ipv6 retval");
- ASSERT_EQ(size, expect_sz, "ipv6 size");
+ ASSERT_EQ(topts.retval, XDP_TX, "ipv6 retval");
+ ASSERT_EQ(topts.data_size_out, expect_sz, "ipv6 size");
bpf_object__close(obj);
}
@@ -34,24 +42,31 @@ static void test_xdp_adjust_tail_grow(void)
const char *file = "./test_xdp_adjust_tail_grow.o";
struct bpf_object *obj;
char buf[4096]; /* avoid segfault: large buf to hold grow results */
- __u32 duration, retval, size, expect_sz;
+ __u32 expect_sz;
int err, prog_fd;
+ LIBBPF_OPTS(bpf_test_run_opts, topts,
+ .data_in = &pkt_v4,
+ .data_size_in = sizeof(pkt_v4),
+ .data_out = buf,
+ .data_size_out = sizeof(buf),
+ .repeat = 1,
+ );
err = bpf_prog_test_load(file, BPF_PROG_TYPE_XDP, &obj, &prog_fd);
if (ASSERT_OK(err, "test_xdp_adjust_tail_grow"))
return;
- err = bpf_prog_test_run(prog_fd, 1, &pkt_v4, sizeof(pkt_v4),
- buf, &size, &retval, &duration);
+ err = bpf_prog_test_run_opts(prog_fd, &topts);
ASSERT_OK(err, "ipv4");
- ASSERT_EQ(retval, XDP_DROP, "ipv4 retval");
+ ASSERT_EQ(topts.retval, XDP_DROP, "ipv4 retval");
expect_sz = sizeof(pkt_v6) + 40; /* Test grow with 40 bytes */
- err = bpf_prog_test_run(prog_fd, 1, &pkt_v6, sizeof(pkt_v6) /* 74 */,
- buf, &size, &retval, &duration);
+ topts.data_in = &pkt_v6;
+ topts.data_size_in = sizeof(pkt_v6);
+ err = bpf_prog_test_run_opts(prog_fd, &topts);
ASSERT_OK(err, "ipv6");
- ASSERT_EQ(retval, XDP_TX, "ipv6 retval");
- ASSERT_EQ(size, expect_sz, "ipv6 size");
+ ASSERT_EQ(topts.retval, XDP_TX, "ipv6 retval");
+ ASSERT_EQ(topts.data_size_out, expect_sz, "ipv6 size");
bpf_object__close(obj);
}
@@ -63,17 +78,17 @@ static void test_xdp_adjust_tail_grow2(void)
int tailroom = 320; /* SKB_DATA_ALIGN(sizeof(struct skb_shared_info))*/;
struct bpf_object *obj;
int err, cnt, i;
- int max_grow;
+ int max_grow, prog_fd;
- struct bpf_prog_test_run_attr tattr = {
+ LIBBPF_OPTS(bpf_test_run_opts, tattr,
.repeat = 1,
.data_in = &buf,
.data_out = &buf,
.data_size_in = 0, /* Per test */
.data_size_out = 0, /* Per test */
- };
+ );
- err = bpf_prog_test_load(file, BPF_PROG_TYPE_XDP, &obj, &tattr.prog_fd);
+ err = bpf_prog_test_load(file, BPF_PROG_TYPE_XDP, &obj, &prog_fd);
if (ASSERT_OK(err, "test_xdp_adjust_tail_grow"))
return;
@@ -82,7 +97,7 @@ static void test_xdp_adjust_tail_grow2(void)
tattr.data_size_in = 64; /* Determine test case via pkt size */
tattr.data_size_out = 128; /* Limit copy_size */
/* Kernel side alloc packet memory area that is zero init */
- err = bpf_prog_test_run_xattr(&tattr);
+ err = bpf_prog_test_run_opts(prog_fd, &tattr);
ASSERT_EQ(errno, ENOSPC, "case-64 errno"); /* Due limit copy_size in bpf_test_finish */
ASSERT_EQ(tattr.retval, XDP_TX, "case-64 retval");
@@ -100,7 +115,7 @@ static void test_xdp_adjust_tail_grow2(void)
memset(buf, 2, sizeof(buf));
tattr.data_size_in = 128; /* Determine test case via pkt size */
tattr.data_size_out = sizeof(buf); /* Copy everything */
- err = bpf_prog_test_run_xattr(&tattr);
+ err = bpf_prog_test_run_opts(prog_fd, &tattr);
max_grow = 4096 - XDP_PACKET_HEADROOM - tailroom; /* 3520 */
ASSERT_OK(err, "case-128");
@@ -118,14 +133,15 @@ static void test_xdp_adjust_tail_grow2(void)
bpf_object__close(obj);
}
-void test_xdp_adjust_frags_tail_shrink(void)
+static void test_xdp_adjust_frags_tail_shrink(void)
{
const char *file = "./test_xdp_adjust_tail_shrink.o";
- __u32 duration, retval, size, exp_size;
+ __u32 exp_size;
struct bpf_program *prog;
struct bpf_object *obj;
int err, prog_fd;
__u8 *buf;
+ LIBBPF_OPTS(bpf_test_run_opts, topts);
/* For the individual test cases, the first byte in the packet
* indicates which test will be run.
@@ -148,46 +164,51 @@ void test_xdp_adjust_frags_tail_shrink(void)
/* Test case removing 10 bytes from last frag, NOT freeing it */
exp_size = 8990; /* 9000 - 10 */
- err = bpf_prog_test_run(prog_fd, 1, buf, 9000,
- buf, &size, &retval, &duration);
+ topts.data_in = buf;
+ topts.data_out = buf;
+ topts.data_size_in = 9000;
+ topts.data_size_out = 9000;
+ err = bpf_prog_test_run_opts(prog_fd, &topts);
ASSERT_OK(err, "9Kb-10b");
- ASSERT_EQ(retval, XDP_TX, "9Kb-10b retval");
- ASSERT_EQ(size, exp_size, "9Kb-10b size");
+ ASSERT_EQ(topts.retval, XDP_TX, "9Kb-10b retval");
+ ASSERT_EQ(topts.data_size_out, exp_size, "9Kb-10b size");
/* Test case removing one of two pages, assuming 4K pages */
buf[0] = 1;
exp_size = 4900; /* 9000 - 4100 */
- err = bpf_prog_test_run(prog_fd, 1, buf, 9000,
- buf, &size, &retval, &duration);
+
+ topts.data_size_out = 9000; /* reset from previous invocation */
+ err = bpf_prog_test_run_opts(prog_fd, &topts);
ASSERT_OK(err, "9Kb-4Kb");
- ASSERT_EQ(retval, XDP_TX, "9Kb-4Kb retval");
- ASSERT_EQ(size, exp_size, "9Kb-4Kb size");
+ ASSERT_EQ(topts.retval, XDP_TX, "9Kb-4Kb retval");
+ ASSERT_EQ(topts.data_size_out, exp_size, "9Kb-4Kb size");
/* Test case removing two pages resulting in a linear xdp_buff */
buf[0] = 2;
exp_size = 800; /* 9000 - 8200 */
- err = bpf_prog_test_run(prog_fd, 1, buf, 9000,
- buf, &size, &retval, &duration);
+ topts.data_size_out = 9000; /* reset from previous invocation */
+ err = bpf_prog_test_run_opts(prog_fd, &topts);
ASSERT_OK(err, "9Kb-9Kb");
- ASSERT_EQ(retval, XDP_TX, "9Kb-9Kb retval");
- ASSERT_EQ(size, exp_size, "9Kb-9Kb size");
+ ASSERT_EQ(topts.retval, XDP_TX, "9Kb-9Kb retval");
+ ASSERT_EQ(topts.data_size_out, exp_size, "9Kb-9Kb size");
free(buf);
out:
bpf_object__close(obj);
}
-void test_xdp_adjust_frags_tail_grow(void)
+static void test_xdp_adjust_frags_tail_grow(void)
{
const char *file = "./test_xdp_adjust_tail_grow.o";
- __u32 duration, retval, size, exp_size;
+ __u32 exp_size;
struct bpf_program *prog;
struct bpf_object *obj;
int err, i, prog_fd;
__u8 *buf;
+ LIBBPF_OPTS(bpf_test_run_opts, topts);
obj = bpf_object__open(file);
if (libbpf_get_error(obj))
@@ -205,14 +226,17 @@ void test_xdp_adjust_frags_tail_grow(void)
/* Test case add 10 bytes to last frag */
memset(buf, 1, 16384);
- size = 9000;
- exp_size = size + 10;
- err = bpf_prog_test_run(prog_fd, 1, buf, size,
- buf, &size, &retval, &duration);
+ exp_size = 9000 + 10;
+
+ topts.data_in = buf;
+ topts.data_out = buf;
+ topts.data_size_in = 9000;
+ topts.data_size_out = 16384;
+ err = bpf_prog_test_run_opts(prog_fd, &topts);
ASSERT_OK(err, "9Kb+10b");
- ASSERT_EQ(retval, XDP_TX, "9Kb+10b retval");
- ASSERT_EQ(size, exp_size, "9Kb+10b size");
+ ASSERT_EQ(topts.retval, XDP_TX, "9Kb+10b retval");
+ ASSERT_EQ(topts.data_size_out, exp_size, "9Kb+10b size");
for (i = 0; i < 9000; i++)
ASSERT_EQ(buf[i], 1, "9Kb+10b-old");
@@ -225,14 +249,16 @@ void test_xdp_adjust_frags_tail_grow(void)
/* Test a too large grow */
memset(buf, 1, 16384);
- size = 9001;
- exp_size = size;
- err = bpf_prog_test_run(prog_fd, 1, buf, size,
- buf, &size, &retval, &duration);
+ exp_size = 9001;
+
+ topts.data_in = topts.data_out = buf;
+ topts.data_size_in = 9001;
+ topts.data_size_out = 16384;
+ err = bpf_prog_test_run_opts(prog_fd, &topts);
ASSERT_OK(err, "9Kb+10b");
- ASSERT_EQ(retval, XDP_DROP, "9Kb+10b retval");
- ASSERT_EQ(size, exp_size, "9Kb+10b size");
+ ASSERT_EQ(topts.retval, XDP_DROP, "9Kb+10b retval");
+ ASSERT_EQ(topts.data_size_out, exp_size, "9Kb+10b size");
free(buf);
out:
generated by cgit v1.2.3-58-ga151 (git 2.39.0) at 2024-12-12 12:36:27 +0000