bpf: selftests: Get rid of CHECK macro in xdp_adjust_tail.c

Rely on ASSERT* macros and get rid of deprecated CHECK ones in
xdp_adjust_tail bpf selftest.
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/c0ab002ffa647a20ec9e584214bf0d4373142b54.1642679130.git.lorenzo@kernel.org

tools/testing/selftests/bpf/prog_tests/xdp_adjust_tail.c

@@ -11,22 +11,21 @@ static void test_xdp_adjust_tail_shrink(void)
 	char buf[128];
 
 	err = bpf_prog_test_load(file, BPF_PROG_TYPE_XDP, &obj, &prog_fd);
-	if (CHECK_FAIL(err))
+	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);
-
-	CHECK(err || retval != XDP_DROP,
-	      "ipv4", "err %d errno %d retval %d size %d\n",
-	      err, errno, retval, size);
+	ASSERT_OK(err, "ipv4");
+	ASSERT_EQ(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);
-	CHECK(err || retval != XDP_TX || size != expect_sz,
-	      "ipv6", "err %d errno %d retval %d size %d expect-size %d\n",
-	      err, errno, retval, size, expect_sz);
+	ASSERT_OK(err, "ipv6");
+	ASSERT_EQ(retval, XDP_TX, "ipv6 retval");
+	ASSERT_EQ(size, expect_sz, "ipv6 size");
+
 	bpf_object__close(obj);
 }
 
@@ -39,21 +38,20 @@ static void test_xdp_adjust_tail_grow(void)
 	int err, prog_fd;
 
 	err = bpf_prog_test_load(file, BPF_PROG_TYPE_XDP, &obj, &prog_fd);
-	if (CHECK_FAIL(err))
+	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);
-	CHECK(err || retval != XDP_DROP,
-	      "ipv4", "err %d errno %d retval %d size %d\n",
-	      err, errno, retval, size);
+	ASSERT_OK(err, "ipv4");
+	ASSERT_EQ(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);
-	CHECK(err || retval != XDP_TX || size != expect_sz,
-	      "ipv6", "err %d errno %d retval %d size %d expect-size %d\n",
-	      err, errno, retval, size, expect_sz);
+	ASSERT_OK(err, "ipv6");
+	ASSERT_EQ(retval, XDP_TX, "ipv6 retval");
+	ASSERT_EQ(size, expect_sz, "ipv6 size");
 
 	bpf_object__close(obj);
 }
@@ -76,7 +74,7 @@ static void test_xdp_adjust_tail_grow2(void)
 	};
 
 	err = bpf_prog_test_load(file, BPF_PROG_TYPE_XDP, &obj, &tattr.prog_fd);
-	if (CHECK_ATTR(err, "load", "err %d errno %d\n", err, errno))
+	if (ASSERT_OK(err, "test_xdp_adjust_tail_grow"))
 		return;
 
 	/* Test case-64 */
@@ -86,21 +84,17 @@ static void test_xdp_adjust_tail_grow2(void)
 	/* Kernel side alloc packet memory area that is zero init */
 	err = bpf_prog_test_run_xattr(&tattr);
 
-	CHECK_ATTR(errno != ENOSPC /* Due limit copy_size in bpf_test_finish */
-		   || tattr.retval != XDP_TX
-		   || tattr.data_size_out != 192, /* Expected grow size */
-		   "case-64",
-		   "err %d errno %d retval %d size %d\n",
-		   err, errno, tattr.retval, tattr.data_size_out);
+	ASSERT_EQ(errno, ENOSPC, "case-64 errno"); /* Due limit copy_size in bpf_test_finish */
+	ASSERT_EQ(tattr.retval, XDP_TX, "case-64 retval");
+	ASSERT_EQ(tattr.data_size_out, 192, "case-64 data_size_out"); /* Expected grow size */
 
 	/* Extra checks for data contents */
-	CHECK_ATTR(tattr.data_size_out != 192
-		   || buf[0]   != 1 ||  buf[63]  != 1  /*  0-63  memset to 1 */
-		   || buf[64]  != 0 ||  buf[127] != 0  /* 64-127 memset to 0 */
-		   || buf[128] != 1 ||  buf[191] != 1, /*128-191 memset to 1 */
-		   "case-64-data",
-		   "err %d errno %d retval %d size %d\n",
-		   err, errno, tattr.retval, tattr.data_size_out);
+	ASSERT_EQ(buf[0], 1, "case-64-data buf[0]"); /*  0-63  memset to 1 */
+	ASSERT_EQ(buf[63], 1, "case-64-data buf[63]");
+	ASSERT_EQ(buf[64], 0, "case-64-data buf[64]"); /* 64-127 memset to 0 */
+	ASSERT_EQ(buf[127], 0, "case-64-data buf[127]");
+	ASSERT_EQ(buf[128], 1, "case-64-data buf[128]"); /* 128-191 memset to 1 */
+	ASSERT_EQ(buf[191], 1, "case-64-data buf[191]");
 
 	/* Test case-128 */
 	memset(buf, 2, sizeof(buf));
@@ -109,23 +103,17 @@ static void test_xdp_adjust_tail_grow2(void)
 	err = bpf_prog_test_run_xattr(&tattr);
 
 	max_grow = 4096 - XDP_PACKET_HEADROOM -	tailroom; /* 3520 */
-	CHECK_ATTR(err
-		   || tattr.retval != XDP_TX
-		   || tattr.data_size_out != max_grow,/* Expect max grow size */
-		   "case-128",
-		   "err %d errno %d retval %d size %d expect-size %d\n",
-		   err, errno, tattr.retval, tattr.data_size_out, max_grow);
+	ASSERT_OK(err, "case-128");
+	ASSERT_EQ(tattr.retval, XDP_TX, "case-128 retval");
+	ASSERT_EQ(tattr.data_size_out, max_grow, "case-128 data_size_out"); /* Expect max grow */
 
 	/* Extra checks for data content: Count grow size, will contain zeros */
 	for (i = 0, cnt = 0; i < sizeof(buf); i++) {
 		if (buf[i] == 0)
 			cnt++;
 	}
-	CHECK_ATTR((cnt != (max_grow - tattr.data_size_in)) /* Grow increase */
-		   || tattr.data_size_out != max_grow, /* Total grow size */
-		   "case-128-data",
-		   "err %d errno %d retval %d size %d grow-size %d\n",
-		   err, errno, tattr.retval, tattr.data_size_out, cnt);
+	ASSERT_EQ(cnt, max_grow - tattr.data_size_in, "case-128-data cnt"); /* Grow increase */
+	ASSERT_EQ(tattr.data_size_out, max_grow, "case-128-data data_size_out"); /* Total grow */
 
 	bpf_object__close(obj);
 }