Module Name: src
Committed By: alnsn
Date: Thu Nov 20 11:36:13 UTC 2014
Modified Files:
src/tests/net/bpfjit: t_bpfjit.c
Log Message:
Add BPF_MOD tests. Plus one tiny change.
To generate a diff of this commit:
cvs rdiff -u -r1.3 -r1.4 src/tests/net/bpfjit/t_bpfjit.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/tests/net/bpfjit/t_bpfjit.c
diff -u src/tests/net/bpfjit/t_bpfjit.c:1.3 src/tests/net/bpfjit/t_bpfjit.c:1.4
--- src/tests/net/bpfjit/t_bpfjit.c:1.3 Wed Nov 19 23:00:12 2014
+++ src/tests/net/bpfjit/t_bpfjit.c Thu Nov 20 11:36:13 2014
@@ -1,4 +1,4 @@
-/* $NetBSD: t_bpfjit.c,v 1.3 2014/11/19 23:00:12 alnsn Exp $ */
+/* $NetBSD: t_bpfjit.c,v 1.4 2014/11/20 11:36:13 alnsn Exp $ */
/*-
* Copyright (c) 2011-2012, 2014 Alexander Nasonov.
@@ -27,7 +27,7 @@
*/
#include <sys/cdefs.h>
-__RCSID("$NetBSD: t_bpfjit.c,v 1.3 2014/11/19 23:00:12 alnsn Exp $");
+__RCSID("$NetBSD: t_bpfjit.c,v 1.4 2014/11/20 11:36:13 alnsn Exp $");
#include <sys/param.h>
#include <sys/mbuf.h>
@@ -364,6 +364,205 @@ ATF_TC_BODY(bpfjit_alu_div80000000_k, tc
ATF_CHECK(exec_prog(insns, insn_count, pkt, 1) == 1);
}
+ATF_TC(bpfjit_alu_mod0_k);
+ATF_TC_HEAD(bpfjit_alu_mod0_k, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Test JIT compilation of BPF_ALU+BPF_MOD+BPF_K with k=0");
+}
+
+ATF_TC_BODY(bpfjit_alu_mod0_k, tc)
+{
+ static struct bpf_insn insns[] = {
+ BPF_STMT(BPF_ALU+BPF_MOD+BPF_K, 0),
+ BPF_STMT(BPF_RET+BPF_A, 0)
+ };
+
+ uint8_t pkt[1]; /* the program doesn't read any data */
+
+ size_t insn_count = sizeof(insns) / sizeof(insns[0]);
+
+ RZ(rump_init());
+
+ //ATF_CHECK(prog_validate(insns, insn_count));
+ ATF_CHECK(exec_prog(insns, insn_count, pkt, 1) == 0);
+}
+
+ATF_TC(bpfjit_alu_mod1_k);
+ATF_TC_HEAD(bpfjit_alu_mod1_k, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Test JIT compilation of BPF_ALU+BPF_MOD+BPF_K with k=1");
+}
+
+ATF_TC_BODY(bpfjit_alu_mod1_k, tc)
+{
+ static struct bpf_insn insns[] = {
+ BPF_STMT(BPF_LD+BPF_IMM, 7),
+ BPF_STMT(BPF_ALU+BPF_MOD+BPF_K, 1),
+ BPF_STMT(BPF_RET+BPF_A, 0)
+ };
+
+ uint8_t pkt[1]; /* the program doesn't read any data */
+
+ size_t insn_count = sizeof(insns) / sizeof(insns[0]);
+
+ RZ(rump_init());
+
+ ATF_CHECK(prog_validate(insns, insn_count));
+ ATF_CHECK(exec_prog(insns, insn_count, pkt, 1) == 0);
+}
+
+ATF_TC(bpfjit_alu_mod2_k);
+ATF_TC_HEAD(bpfjit_alu_mod2_k, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Test JIT compilation of BPF_ALU+BPF_MOD+BPF_K with k=2");
+}
+
+ATF_TC_BODY(bpfjit_alu_mod2_k, tc)
+{
+ static struct bpf_insn insns[] = {
+ BPF_STMT(BPF_LD+BPF_IMM, 7),
+ BPF_STMT(BPF_ALU+BPF_MOD+BPF_K, 2),
+ BPF_STMT(BPF_RET+BPF_A, 0)
+ };
+
+ uint8_t pkt[1]; /* the program doesn't read any data */
+
+ size_t insn_count = sizeof(insns) / sizeof(insns[0]);
+
+ RZ(rump_init());
+
+ ATF_CHECK(prog_validate(insns, insn_count));
+ ATF_CHECK(exec_prog(insns, insn_count, pkt, 1) == 1);
+}
+
+ATF_TC(bpfjit_alu_mod4_k);
+ATF_TC_HEAD(bpfjit_alu_mod4_k, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Test JIT compilation of BPF_ALU+BPF_MOD+BPF_K with k=4");
+}
+
+ATF_TC_BODY(bpfjit_alu_mod4_k, tc)
+{
+ static struct bpf_insn insns[] = {
+ BPF_STMT(BPF_LD+BPF_IMM, UINT32_C(0xffffffff)),
+ BPF_STMT(BPF_ALU+BPF_MOD+BPF_K, 4),
+ BPF_STMT(BPF_RET+BPF_A, 0)
+ };
+
+ uint8_t pkt[1]; /* the program doesn't read any data */
+
+ size_t insn_count = sizeof(insns) / sizeof(insns[0]);
+
+ RZ(rump_init());
+
+ ATF_CHECK(prog_validate(insns, insn_count));
+ ATF_CHECK(exec_prog(insns, insn_count, pkt, 1) == 3);
+}
+
+ATF_TC(bpfjit_alu_mod10_k);
+ATF_TC_HEAD(bpfjit_alu_mod10_k, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Test JIT compilation of BPF_ALU+BPF_MOD+BPF_K with k=10");
+}
+
+ATF_TC_BODY(bpfjit_alu_mod10_k, tc)
+{
+ static struct bpf_insn insns[] = {
+ BPF_STMT(BPF_LD+BPF_IMM, UINT32_C(4294843849)),
+ BPF_STMT(BPF_ALU+BPF_MOD+BPF_K, 10),
+ BPF_STMT(BPF_RET+BPF_A, 0)
+ };
+
+ uint8_t pkt[1]; /* the program doesn't read any data */
+
+ size_t insn_count = sizeof(insns) / sizeof(insns[0]);
+
+ RZ(rump_init());
+
+ ATF_CHECK(prog_validate(insns, insn_count));
+ ATF_CHECK(exec_prog(insns, insn_count, pkt, 1) == 9);
+}
+
+ATF_TC(bpfjit_alu_mod10000_k);
+ATF_TC_HEAD(bpfjit_alu_mod10000_k, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Test JIT compilation of BPF_ALU+BPF_MOD+BPF_K with k=10000");
+}
+
+ATF_TC_BODY(bpfjit_alu_mod10000_k, tc)
+{
+ static struct bpf_insn insns[] = {
+ BPF_STMT(BPF_LD+BPF_IMM, UINT32_C(4294843849)),
+ BPF_STMT(BPF_ALU+BPF_MOD+BPF_K, 10000),
+ BPF_STMT(BPF_RET+BPF_A, 0)
+ };
+
+ uint8_t pkt[1]; /* the program doesn't read any data */
+
+ size_t insn_count = sizeof(insns) / sizeof(insns[0]);
+
+ RZ(rump_init());
+
+ ATF_CHECK(prog_validate(insns, insn_count));
+ ATF_CHECK(exec_prog(insns, insn_count, pkt, 1) == 3849);
+}
+
+ATF_TC(bpfjit_alu_mod7609801_k);
+ATF_TC_HEAD(bpfjit_alu_mod7609801_k, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Test JIT compilation of BPF_ALU+BPF_MOD+BPF_K with k=7609801");
+}
+
+ATF_TC_BODY(bpfjit_alu_mod7609801_k, tc)
+{
+ static struct bpf_insn insns[] = {
+ BPF_STMT(BPF_LD+BPF_IMM, UINT32_C(4294967295)),
+ BPF_STMT(BPF_ALU+BPF_MOD+BPF_K, UINT32_C(7609801)),
+ BPF_STMT(BPF_RET+BPF_A, 0)
+ };
+
+ uint8_t pkt[1]; /* the program doesn't read any data */
+
+ size_t insn_count = sizeof(insns) / sizeof(insns[0]);
+
+ RZ(rump_init());
+
+ ATF_CHECK(prog_validate(insns, insn_count));
+ ATF_CHECK(exec_prog(insns, insn_count, pkt, 1) == 3039531);
+}
+
+ATF_TC(bpfjit_alu_mod80000000_k);
+ATF_TC_HEAD(bpfjit_alu_mod80000000_k, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Test JIT compilation of BPF_ALU+BPF_MOD+BPF_K with k=0x80000000");
+}
+
+ATF_TC_BODY(bpfjit_alu_mod80000000_k, tc)
+{
+ static struct bpf_insn insns[] = {
+ BPF_STMT(BPF_LD+BPF_IMM, UINT32_C(0xffffffde)),
+ BPF_STMT(BPF_ALU+BPF_MOD+BPF_K, UINT32_C(0x80000000)),
+ BPF_STMT(BPF_RET+BPF_A, 0)
+ };
+
+ uint8_t pkt[1]; /* the program doesn't read any data */
+
+ size_t insn_count = sizeof(insns) / sizeof(insns[0]);
+
+ RZ(rump_init());
+
+ ATF_CHECK(prog_validate(insns, insn_count));
+ ATF_CHECK(exec_prog(insns, insn_count, pkt, 1) == UINT32_C(0x7fffffde));
+}
+
ATF_TC(bpfjit_alu_and_k);
ATF_TC_HEAD(bpfjit_alu_and_k, tc)
{
@@ -877,7 +1076,7 @@ ATF_TC_HEAD(bpfjit_alu_div80000000_x, tc
ATF_TC_BODY(bpfjit_alu_div80000000_x, tc)
{
static struct bpf_insn insns[] = {
- BPF_STMT(BPF_LD+BPF_IMM, UINT32_MAX - 33),
+ BPF_STMT(BPF_LD+BPF_IMM, UINT32_C(0xffffffde)),
BPF_STMT(BPF_LDX+BPF_W+BPF_IMM, UINT32_C(0x80000000)),
BPF_STMT(BPF_ALU+BPF_DIV+BPF_X, 0),
BPF_STMT(BPF_RET+BPF_A, 0)
@@ -893,6 +1092,213 @@ ATF_TC_BODY(bpfjit_alu_div80000000_x, tc
ATF_CHECK(exec_prog(insns, insn_count, pkt, 1) == 1);
}
+ATF_TC(bpfjit_alu_mod0_x);
+ATF_TC_HEAD(bpfjit_alu_mod0_x, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Test JIT compilation of BPF_ALU+BPF_MOD+BPF_X with X=0");
+}
+
+ATF_TC_BODY(bpfjit_alu_mod0_x, tc)
+{
+ static struct bpf_insn insns[] = {
+ BPF_STMT(BPF_LDX+BPF_W+BPF_IMM, 0),
+ BPF_STMT(BPF_ALU+BPF_MOD+BPF_X, 0),
+ BPF_STMT(BPF_RET+BPF_A, 0)
+ };
+
+ uint8_t pkt[1]; /* the program doesn't read any data */
+
+ size_t insn_count = sizeof(insns) / sizeof(insns[0]);
+
+ RZ(rump_init());
+
+ ATF_CHECK(prog_validate(insns, insn_count));
+ ATF_CHECK(exec_prog(insns, insn_count, pkt, 1) == 0);
+}
+
+ATF_TC(bpfjit_alu_mod1_x);
+ATF_TC_HEAD(bpfjit_alu_mod1_x, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Test JIT compilation of BPF_ALU+BPF_MOD+BPF_X with X=1");
+}
+
+ATF_TC_BODY(bpfjit_alu_mod1_x, tc)
+{
+ static struct bpf_insn insns[] = {
+ BPF_STMT(BPF_LD+BPF_IMM, 7),
+ BPF_STMT(BPF_LDX+BPF_W+BPF_IMM, 1),
+ BPF_STMT(BPF_ALU+BPF_MOD+BPF_X, 0),
+ BPF_STMT(BPF_RET+BPF_A, 0)
+ };
+
+ uint8_t pkt[1]; /* the program doesn't read any data */
+
+ size_t insn_count = sizeof(insns) / sizeof(insns[0]);
+
+ RZ(rump_init());
+
+ ATF_CHECK(prog_validate(insns, insn_count));
+ ATF_CHECK(exec_prog(insns, insn_count, pkt, 1) == 0);
+}
+
+ATF_TC(bpfjit_alu_mod2_x);
+ATF_TC_HEAD(bpfjit_alu_mod2_x, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Test JIT compilation of BPF_ALU+BPF_MOD+BPF_X with X=2");
+}
+
+ATF_TC_BODY(bpfjit_alu_mod2_x, tc)
+{
+ static struct bpf_insn insns[] = {
+ BPF_STMT(BPF_LD+BPF_IMM, 7),
+ BPF_STMT(BPF_LDX+BPF_W+BPF_IMM, 2),
+ BPF_STMT(BPF_ALU+BPF_MOD+BPF_X, 0),
+ BPF_STMT(BPF_RET+BPF_A, 0)
+ };
+
+ uint8_t pkt[1]; /* the program doesn't read any data */
+
+ size_t insn_count = sizeof(insns) / sizeof(insns[0]);
+
+ RZ(rump_init());
+
+ ATF_CHECK(prog_validate(insns, insn_count));
+ ATF_CHECK(exec_prog(insns, insn_count, pkt, 1) == 1);
+}
+
+ATF_TC(bpfjit_alu_mod4_x);
+ATF_TC_HEAD(bpfjit_alu_mod4_x, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Test JIT compilation of BPF_ALU+BPF_MOD+BPF_X with X=4");
+}
+
+ATF_TC_BODY(bpfjit_alu_mod4_x, tc)
+{
+ static struct bpf_insn insns[] = {
+ BPF_STMT(BPF_LD+BPF_IMM, UINT32_C(0xffffffff)),
+ BPF_STMT(BPF_LDX+BPF_W+BPF_IMM, 4),
+ BPF_STMT(BPF_ALU+BPF_MOD+BPF_X, 0),
+ BPF_STMT(BPF_RET+BPF_A, 0)
+ };
+
+ uint8_t pkt[1]; /* the program doesn't read any data */
+
+ size_t insn_count = sizeof(insns) / sizeof(insns[0]);
+
+ RZ(rump_init());
+
+ ATF_CHECK(prog_validate(insns, insn_count));
+ ATF_CHECK(exec_prog(insns, insn_count, pkt, 1) == 3);
+}
+
+ATF_TC(bpfjit_alu_mod10_x);
+ATF_TC_HEAD(bpfjit_alu_mod10_x, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Test JIT compilation of BPF_ALU+BPF_MOD+BPF_X with X=10");
+}
+
+ATF_TC_BODY(bpfjit_alu_mod10_x, tc)
+{
+ static struct bpf_insn insns[] = {
+ BPF_STMT(BPF_LD+BPF_IMM, UINT32_C(4294843849)),
+ BPF_STMT(BPF_LDX+BPF_W+BPF_IMM, 10),
+ BPF_STMT(BPF_ALU+BPF_MOD+BPF_X, 0),
+ BPF_STMT(BPF_RET+BPF_A, 0)
+ };
+
+ uint8_t pkt[1]; /* the program doesn't read any data */
+
+ size_t insn_count = sizeof(insns) / sizeof(insns[0]);
+
+ RZ(rump_init());
+
+ ATF_CHECK(prog_validate(insns, insn_count));
+ ATF_CHECK(exec_prog(insns, insn_count, pkt, 1) == 9);
+}
+
+ATF_TC(bpfjit_alu_mod10000_x);
+ATF_TC_HEAD(bpfjit_alu_mod10000_x, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Test JIT compilation of BPF_ALU+BPF_MOD+BPF_X with X=10000");
+}
+
+ATF_TC_BODY(bpfjit_alu_mod10000_x, tc)
+{
+ static struct bpf_insn insns[] = {
+ BPF_STMT(BPF_LD+BPF_IMM, UINT32_C(4294843849)),
+ BPF_STMT(BPF_LDX+BPF_W+BPF_IMM, 10000),
+ BPF_STMT(BPF_ALU+BPF_MOD+BPF_X, 0),
+ BPF_STMT(BPF_RET+BPF_A, 0)
+ };
+
+ uint8_t pkt[1]; /* the program doesn't read any data */
+
+ size_t insn_count = sizeof(insns) / sizeof(insns[0]);
+
+ RZ(rump_init());
+
+ ATF_CHECK(prog_validate(insns, insn_count));
+ ATF_CHECK(exec_prog(insns, insn_count, pkt, 1) == 3849);
+}
+
+ATF_TC(bpfjit_alu_mod7609801_x);
+ATF_TC_HEAD(bpfjit_alu_mod7609801_x, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Test JIT compilation of BPF_ALU+BPF_MOD+BPF_X with X=7609801");
+}
+
+ATF_TC_BODY(bpfjit_alu_mod7609801_x, tc)
+{
+ static struct bpf_insn insns[] = {
+ BPF_STMT(BPF_LD+BPF_IMM, UINT32_C(4294967295)),
+ BPF_STMT(BPF_LDX+BPF_W+BPF_IMM, UINT32_C(7609801)),
+ BPF_STMT(BPF_ALU+BPF_MOD+BPF_X, 0),
+ BPF_STMT(BPF_RET+BPF_A, 0)
+ };
+
+ uint8_t pkt[1]; /* the program doesn't read any data */
+
+ size_t insn_count = sizeof(insns) / sizeof(insns[0]);
+
+ RZ(rump_init());
+
+ ATF_CHECK(prog_validate(insns, insn_count));
+ ATF_CHECK(exec_prog(insns, insn_count, pkt, 1) == 3039531);
+}
+
+ATF_TC(bpfjit_alu_mod80000000_x);
+ATF_TC_HEAD(bpfjit_alu_mod80000000_x, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Test JIT compilation of BPF_ALU+BPF_MOD+BPF_X with X=0x80000000");
+}
+
+ATF_TC_BODY(bpfjit_alu_mod80000000_x, tc)
+{
+ static struct bpf_insn insns[] = {
+ BPF_STMT(BPF_LD+BPF_IMM, UINT32_C(0xffffffde)),
+ BPF_STMT(BPF_LDX+BPF_W+BPF_IMM, UINT32_C(0x80000000)),
+ BPF_STMT(BPF_ALU+BPF_MOD+BPF_X, 0),
+ BPF_STMT(BPF_RET+BPF_A, 0)
+ };
+
+ uint8_t pkt[1]; /* the program doesn't read any data */
+
+ size_t insn_count = sizeof(insns) / sizeof(insns[0]);
+
+ RZ(rump_init());
+
+ ATF_CHECK(prog_validate(insns, insn_count));
+ ATF_CHECK(exec_prog(insns, insn_count, pkt, 1) == UINT32_C(0x7fffffde));
+}
+
ATF_TC(bpfjit_alu_and_x);
ATF_TC_HEAD(bpfjit_alu_and_x, tc)
{
@@ -3949,6 +4355,14 @@ ATF_TP_ADD_TCS(tp)
ATF_TP_ADD_TC(tp, bpfjit_alu_div10000_k);
ATF_TP_ADD_TC(tp, bpfjit_alu_div7609801_k);
ATF_TP_ADD_TC(tp, bpfjit_alu_div80000000_k);
+ ATF_TP_ADD_TC(tp, bpfjit_alu_mod0_k);
+ ATF_TP_ADD_TC(tp, bpfjit_alu_mod1_k);
+ ATF_TP_ADD_TC(tp, bpfjit_alu_mod2_k);
+ ATF_TP_ADD_TC(tp, bpfjit_alu_mod4_k);
+ ATF_TP_ADD_TC(tp, bpfjit_alu_mod10_k);
+ ATF_TP_ADD_TC(tp, bpfjit_alu_mod10000_k);
+ ATF_TP_ADD_TC(tp, bpfjit_alu_mod7609801_k);
+ ATF_TP_ADD_TC(tp, bpfjit_alu_mod80000000_k);
ATF_TP_ADD_TC(tp, bpfjit_alu_and_k);
ATF_TP_ADD_TC(tp, bpfjit_alu_or_k);
ATF_TP_ADD_TC(tp, bpfjit_alu_xor_k);
@@ -3968,6 +4382,14 @@ ATF_TP_ADD_TCS(tp)
ATF_TP_ADD_TC(tp, bpfjit_alu_div10000_x);
ATF_TP_ADD_TC(tp, bpfjit_alu_div7609801_x);
ATF_TP_ADD_TC(tp, bpfjit_alu_div80000000_x);
+ ATF_TP_ADD_TC(tp, bpfjit_alu_mod0_x);
+ ATF_TP_ADD_TC(tp, bpfjit_alu_mod1_x);
+ ATF_TP_ADD_TC(tp, bpfjit_alu_mod2_x);
+ ATF_TP_ADD_TC(tp, bpfjit_alu_mod4_x);
+ ATF_TP_ADD_TC(tp, bpfjit_alu_mod10_x);
+ ATF_TP_ADD_TC(tp, bpfjit_alu_mod10000_x);
+ ATF_TP_ADD_TC(tp, bpfjit_alu_mod7609801_x);
+ ATF_TP_ADD_TC(tp, bpfjit_alu_mod80000000_x);
ATF_TP_ADD_TC(tp, bpfjit_alu_and_x);
ATF_TP_ADD_TC(tp, bpfjit_alu_or_x);
ATF_TP_ADD_TC(tp, bpfjit_alu_xor_x);
