Import the NetBSD test suite from ^/vendor/NetBSD/tests/09.30.2014_20.45 ,

minus the vendor Makefiles

Provide directions for how to bootstrap the vendor sources in
FREEBSD-upgrade

MFC after 2 weeks
Discussed with: rpaulo
Sponsored by: EMC / Isilon Storage Division

1 files changed, 506 insertions, 0 deletions

diff --git a/contrib/netbsd-tests/net/bpfjit/t_extmem.c b/contrib/netbsd-tests/net/bpfjit/t_extmem.c
new file mode 100644
index 0000000..915c436
--- /dev/null
+++ b/contrib/netbsd-tests/net/bpfjit/t_extmem.c
@@ -0,0 +1,506 @@
+/*	$NetBSD: t_extmem.c,v 1.1 2014/07/09 13:49:49 alnsn Exp $ */
+
+/*-
+ * Copyright (c) 2014 Alexander Nasonov.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+__RCSID("$NetBSD: t_extmem.c,v 1.1 2014/07/09 13:49:49 alnsn Exp $");
+
+#include <stdint.h>
+#include <string.h>
+
+#define __BPF_PRIVATE
+#include <net/bpf.h>
+#include <net/bpfjit.h>
+
+#include "../../net/bpf/h_bpf.h"
+
+/* XXX: atf-c.h has collisions with mbuf */
+#undef m_type
+#undef m_data
+#include <atf-c.h>
+
+#include "../../h_macros.h"
+
+static uint32_t retM(const bpf_ctx_t *bc, bpf_args_t *args, uint32_t A);
+
+static const bpf_copfunc_t copfuncs[] = {
+	&retM
+};
+
+static const bpf_ctx_t ctx = {
+	.copfuncs = copfuncs,
+	.nfuncs = sizeof(copfuncs) / sizeof(copfuncs[0]),
+	.extwords = 4,
+	.preinited = BPF_MEMWORD_INIT(0) | BPF_MEMWORD_INIT(3),
+};
+
+static uint32_t
+retM(const bpf_ctx_t *bc, bpf_args_t *args, uint32_t A)
+{
+
+	return args->mem[(uintptr_t)args->arg];
+}
+
+
+ATF_TC(bpfjit_extmem_load_preinited);
+ATF_TC_HEAD(bpfjit_extmem_load_preinited, tc)
+{
+	atf_tc_set_md_var(tc, "descr", "Test a load of external "
+	    "pre-initialized memory");
+}
+
+ATF_TC_BODY(bpfjit_extmem_load_preinited, tc)
+{
+	static struct bpf_insn insns[] = {
+		BPF_STMT(BPF_LD+BPF_MEM, 3),
+		BPF_STMT(BPF_RET+BPF_A, 0)
+	};
+
+	bpfjit_func_t code;
+	uint8_t pkt[1] = { 0 };
+	uint32_t mem[ctx.extwords];
+
+	/* Pre-inited words. */
+	mem[0] = 0;
+	mem[3] = 3;
+
+	bpf_args_t args = {
+		.pkt = pkt,
+		.buflen = sizeof(pkt),
+		.wirelen = sizeof(pkt),
+		.mem = mem,
+	};
+
+	size_t insn_count = sizeof(insns) / sizeof(insns[0]);
+
+	RZ(rump_init());
+
+	rump_schedule();
+	code = rumpns_bpfjit_generate_code(&ctx, insns, insn_count);
+	rump_unschedule();
+	ATF_REQUIRE(code != NULL);
+
+	ATF_CHECK(code(&ctx, &args) == 3);
+
+	rump_schedule();
+	rumpns_bpfjit_free_code(code);
+	rump_unschedule();
+}
+
+ATF_TC(bpfjit_extmem_invalid_load);
+ATF_TC_HEAD(bpfjit_extmem_invalid_load, tc)
+{
+	atf_tc_set_md_var(tc, "descr", "Test that out-of-range load "
+	    "fails validation");
+}
+
+ATF_TC_BODY(bpfjit_extmem_invalid_load, tc)
+{
+	static struct bpf_insn insns[] = {
+		BPF_STMT(BPF_LD+BPF_MEM, 4),
+		BPF_STMT(BPF_RET+BPF_A, 0)
+	};
+
+	bpfjit_func_t code;
+	size_t insn_count = sizeof(insns) / sizeof(insns[0]);
+
+	RZ(rump_init());
+
+	rump_schedule();
+	code = rumpns_bpfjit_generate_code(&ctx, insns, insn_count);
+	rump_unschedule();
+	ATF_CHECK(code == NULL);
+}
+
+ATF_TC(bpfjit_extmem_store);
+ATF_TC_HEAD(bpfjit_extmem_store, tc)
+{
+	atf_tc_set_md_var(tc, "descr", "Test stores to external memory");
+}
+
+ATF_TC_BODY(bpfjit_extmem_store, tc)
+{
+	static struct bpf_insn insns[] = {
+		BPF_STMT(BPF_LD+BPF_IMM, 1),        /* A <- 1     */
+		BPF_STMT(BPF_LDX+BPF_W+BPF_IMM, 2), /* X <- 2     */
+		BPF_STMT(BPF_ST, 1),                /* M[1] <- A  */
+		BPF_STMT(BPF_ALU+BPF_ADD+BPF_X, 0), /* A <- A + X */
+		BPF_STMT(BPF_STX, 2),               /* M[2] <- X  */
+		BPF_STMT(BPF_ST, 3),                /* M[3] <- A  */
+		BPF_STMT(BPF_RET+BPF_A, 0)          /* ret A      */
+	};
+
+	bpfjit_func_t code;
+	uint8_t pkt[1] = { 0 };
+	uint32_t mem[ctx.extwords];
+
+	/* Pre-inited words. */
+	mem[0] = 0;
+	mem[3] = 7;
+
+	mem[1] = mem[2] = 0xdeadbeef;
+
+	bpf_args_t args = {
+		.pkt = pkt,
+		.buflen = sizeof(pkt),
+		.wirelen = sizeof(pkt),
+		.mem = mem,
+	};
+
+	size_t insn_count = sizeof(insns) / sizeof(insns[0]);
+
+	RZ(rump_init());
+
+	rump_schedule();
+	code = rumpns_bpfjit_generate_code(&ctx, insns, insn_count);
+	rump_unschedule();
+	ATF_REQUIRE(code != NULL);
+
+	ATF_CHECK(code(&ctx, &args) == 3);
+
+	rump_schedule();
+	rumpns_bpfjit_free_code(code);
+	rump_unschedule();
+
+	ATF_CHECK(mem[0] == 0);
+	ATF_CHECK(mem[1] == 1);
+	ATF_CHECK(mem[2] == 2);
+	ATF_CHECK(mem[3] == 3);
+}
+
+ATF_TC(bpfjit_extmem_side_effect);
+ATF_TC_HEAD(bpfjit_extmem_side_effect, tc)
+{
+	atf_tc_set_md_var(tc, "descr", "Test that ABC optimization doesn\'t "
+	    "skip stores to external memory");
+}
+
+ATF_TC_BODY(bpfjit_extmem_side_effect, tc)
+{
+	static struct bpf_insn insns[] = {
+		BPF_STMT(BPF_LD+BPF_B+BPF_ABS, 0),  /* A <- P[0]  */
+		BPF_STMT(BPF_LDX+BPF_W+BPF_IMM, 2), /* X <- 2     */
+		BPF_STMT(BPF_ST, 1),                /* M[1] <- A  */
+		BPF_STMT(BPF_ALU+BPF_ADD+BPF_X, 0), /* A <- A + X */
+		BPF_STMT(BPF_STX, 2),               /* M[2] <- X  */
+		BPF_STMT(BPF_ST, 3),                /* M[3] <- A  */
+		BPF_STMT(BPF_LD+BPF_B+BPF_ABS, 99), /* A <- P[99] */
+		BPF_STMT(BPF_RET+BPF_A, 0)          /* ret A      */
+	};
+
+	bpfjit_func_t code;
+	uint8_t pkt[1] = { 1 };
+	uint32_t mem[ctx.extwords];
+
+	/* Pre-inited words. */
+	mem[0] = 0;
+	mem[3] = 7;
+
+	mem[1] = mem[2] = 0xdeadbeef;
+
+	bpf_args_t args = {
+		.pkt = pkt,
+		.buflen = sizeof(pkt),
+		.wirelen = sizeof(pkt),
+		.mem = mem,
+	};
+
+	size_t insn_count = sizeof(insns) / sizeof(insns[0]);
+
+	RZ(rump_init());
+
+	rump_schedule();
+	code = rumpns_bpfjit_generate_code(&ctx, insns, insn_count);
+	rump_unschedule();
+	ATF_REQUIRE(code != NULL);
+
+	ATF_CHECK(code(&ctx, &args) == 0);
+
+	rump_schedule();
+	rumpns_bpfjit_free_code(code);
+	rump_unschedule();
+
+	ATF_CHECK(mem[0] == 0);
+	ATF_CHECK(mem[1] == 1);
+	ATF_CHECK(mem[2] == 2);
+	ATF_CHECK(mem[3] == 3);
+}
+
+ATF_TC(bpfjit_extmem_invalid_store);
+ATF_TC_HEAD(bpfjit_extmem_invalid_store, tc)
+{
+	atf_tc_set_md_var(tc, "descr", "Test that out-of-range store "
+	    "fails validation");
+}
+
+ATF_TC_BODY(bpfjit_extmem_invalid_store, tc)
+{
+	static struct bpf_insn insns[] = {
+		BPF_STMT(BPF_ST, 4),
+		BPF_STMT(BPF_RET+BPF_A, 0)
+	};
+
+	bpfjit_func_t code;
+	size_t insn_count = sizeof(insns) / sizeof(insns[0]);
+
+	RZ(rump_init());
+
+	rump_schedule();
+	code = rumpns_bpfjit_generate_code(&ctx, insns, insn_count);
+	rump_unschedule();
+	ATF_CHECK(code == NULL);
+}
+
+ATF_TC(bpfjit_cop_ret_mem);
+ATF_TC_HEAD(bpfjit_cop_ret_mem, tc)
+{
+	atf_tc_set_md_var(tc, "descr", "Test coprocessor function "
+	    "that returns a content of external memory word");
+}
+
+ATF_TC_BODY(bpfjit_cop_ret_mem, tc)
+{
+	static struct bpf_insn insns[] = {
+		BPF_STMT(BPF_LD+BPF_IMM, 13),
+		BPF_STMT(BPF_ST, 2),
+		BPF_STMT(BPF_LD+BPF_IMM, 137),
+		BPF_STMT(BPF_ST, 1),
+		BPF_STMT(BPF_MISC+BPF_COP, 0), // retM
+		BPF_STMT(BPF_RET+BPF_A, 0)
+	};
+
+	bpfjit_func_t code;
+	uint8_t pkt[1] = { 0 };
+	uint32_t mem[ctx.extwords];
+	void *arg = (void*)(uintptr_t)2;
+
+	/* Pre-inited words. */
+	mem[0] = 0;
+	mem[3] = 3;
+
+	bpf_args_t args = {
+		.pkt = pkt,
+		.buflen = sizeof(pkt),
+		.wirelen = sizeof(pkt),
+		.arg = arg,
+		.mem = mem,
+	};
+
+	size_t insn_count = sizeof(insns) / sizeof(insns[0]);
+
+	RZ(rump_init());
+
+	rump_schedule();
+	code = rumpns_bpfjit_generate_code(&ctx, insns, insn_count);
+	rump_unschedule();
+	ATF_REQUIRE(code != NULL);
+
+	ATF_CHECK(code(&ctx, &args) == 13);
+
+	rump_schedule();
+	rumpns_bpfjit_free_code(code);
+	rump_unschedule();
+}
+
+ATF_TC(bpfjit_cop_ret_preinited_mem);
+ATF_TC_HEAD(bpfjit_cop_ret_preinited_mem, tc)
+{
+	atf_tc_set_md_var(tc, "descr", "Test coprocessor function that "
+	    "returns a content of external pre-initialized memory word");
+}
+
+ATF_TC_BODY(bpfjit_cop_ret_preinited_mem, tc)
+{
+	static struct bpf_insn insns[] = {
+		BPF_STMT(BPF_LD+BPF_IMM, 13),
+		BPF_STMT(BPF_ST, 2),
+		BPF_STMT(BPF_LD+BPF_IMM, 137),
+		BPF_STMT(BPF_ST, 1),
+		BPF_STMT(BPF_MISC+BPF_COP, 0), // retM
+		BPF_STMT(BPF_RET+BPF_A, 0)
+	};
+
+	bpfjit_func_t code;
+	uint8_t pkt[1] = { 0 };
+	uint32_t mem[ctx.extwords];
+	void *arg = (void*)(uintptr_t)3;
+
+	/* Pre-inited words. */
+	mem[0] = 0;
+	mem[3] = 3;
+
+	bpf_args_t args = {
+		.pkt = pkt,
+		.buflen = sizeof(pkt),
+		.wirelen = sizeof(pkt),
+		.arg = arg,
+		.mem = mem,
+	};
+
+	size_t insn_count = sizeof(insns) / sizeof(insns[0]);
+
+	RZ(rump_init());
+
+	rump_schedule();
+	code = rumpns_bpfjit_generate_code(&ctx, insns, insn_count);
+	rump_unschedule();
+	ATF_REQUIRE(code != NULL);
+
+	ATF_CHECK(code(&ctx, &args) == 3);
+
+	rump_schedule();
+	rumpns_bpfjit_free_code(code);
+	rump_unschedule();
+}
+
+ATF_TC(bpfjit_copx_ret_mem);
+ATF_TC_HEAD(bpfjit_copx_ret_mem, tc)
+{
+	atf_tc_set_md_var(tc, "descr", "Test coprocessor function "
+	    "that returns a content of external memory word");
+}
+
+ATF_TC_BODY(bpfjit_copx_ret_mem, tc)
+{
+	static struct bpf_insn insns[] = {
+		BPF_STMT(BPF_LD+BPF_IMM, 13),
+		BPF_STMT(BPF_ST, 2),
+		BPF_STMT(BPF_LD+BPF_IMM, 137),
+		BPF_STMT(BPF_ST, 1),
+		BPF_STMT(BPF_LDX+BPF_IMM, 0), // retM
+		BPF_STMT(BPF_MISC+BPF_COPX, 0),
+		BPF_STMT(BPF_RET+BPF_A, 0)
+	};
+
+	bpfjit_func_t code;
+	uint8_t pkt[1] = { 0 };
+	uint32_t mem[ctx.extwords];
+	void *arg = (void*)(uintptr_t)2;
+
+	/* Pre-inited words. */
+	mem[0] = 0;
+	mem[3] = 3;
+
+	bpf_args_t args = {
+		.pkt = pkt,
+		.buflen = sizeof(pkt),
+		.wirelen = sizeof(pkt),
+		.arg = arg,
+		.mem = mem,
+	};
+
+	size_t insn_count = sizeof(insns) / sizeof(insns[0]);
+
+	RZ(rump_init());
+
+	rump_schedule();
+	code = rumpns_bpfjit_generate_code(&ctx, insns, insn_count);
+	rump_unschedule();
+	ATF_REQUIRE(code != NULL);
+
+	ATF_CHECK(code(&ctx, &args) == 13);
+
+	rump_schedule();
+	rumpns_bpfjit_free_code(code);
+	rump_unschedule();
+}
+
+ATF_TC(bpfjit_copx_ret_preinited_mem);
+ATF_TC_HEAD(bpfjit_copx_ret_preinited_mem, tc)
+{
+	atf_tc_set_md_var(tc, "descr", "Test coprocessor function that "
+	    "returns a content of external pre-initialized memory word");
+}
+
+ATF_TC_BODY(bpfjit_copx_ret_preinited_mem, tc)
+{
+	static struct bpf_insn insns[] = {
+		BPF_STMT(BPF_LD+BPF_IMM, 13),
+		BPF_STMT(BPF_ST, 2),
+		BPF_STMT(BPF_LD+BPF_IMM, 137),
+		BPF_STMT(BPF_ST, 1),
+		BPF_STMT(BPF_LDX+BPF_IMM, 0), // retM
+		BPF_STMT(BPF_MISC+BPF_COPX, 0),
+		BPF_STMT(BPF_RET+BPF_A, 0)
+	};
+
+	bpfjit_func_t code;
+	uint8_t pkt[1] = { 0 };
+	uint32_t mem[ctx.extwords];
+	void *arg = (void*)(uintptr_t)3;
+
+	/* Pre-inited words. */
+	mem[0] = 0;
+	mem[3] = 3;
+
+	bpf_args_t args = {
+		.pkt = pkt,
+		.buflen = sizeof(pkt),
+		.wirelen = sizeof(pkt),
+		.arg = arg,
+		.mem = mem,
+	};
+
+	size_t insn_count = sizeof(insns) / sizeof(insns[0]);
+
+	RZ(rump_init());
+
+	rump_schedule();
+	code = rumpns_bpfjit_generate_code(&ctx, insns, insn_count);
+	rump_unschedule();
+	ATF_REQUIRE(code != NULL);
+
+	ATF_CHECK(code(&ctx, &args) == 3);
+
+	rump_schedule();
+	rumpns_bpfjit_free_code(code);
+	rump_unschedule();
+}
+
+ATF_TP_ADD_TCS(tp)
+{
+
+	/*
+	 * For every new test please also add a similar test
+	 * to ../../lib/libbpfjit/t_extmem.c
+	 */
+	//ATF_TP_ADD_TC(tp, bpfjit_extmem_load_default);
+	ATF_TP_ADD_TC(tp, bpfjit_extmem_load_preinited);
+	ATF_TP_ADD_TC(tp, bpfjit_extmem_invalid_load);
+	ATF_TP_ADD_TC(tp, bpfjit_extmem_store);
+	ATF_TP_ADD_TC(tp, bpfjit_extmem_side_effect);
+	ATF_TP_ADD_TC(tp, bpfjit_extmem_invalid_store);
+	ATF_TP_ADD_TC(tp, bpfjit_cop_ret_mem);
+	ATF_TP_ADD_TC(tp, bpfjit_cop_ret_preinited_mem);
+	ATF_TP_ADD_TC(tp, bpfjit_copx_ret_mem);
+	ATF_TP_ADD_TC(tp, bpfjit_copx_ret_preinited_mem);
+
+	return atf_no_error();
+}