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lib/test_bpf: Add tests for unsigned BPF_JGT

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Unsigned Jump-if-Greater-Than.

Cc: Alexei Starovoitov <ast@fb.com>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Naveen N. Rao 2016-04-05 15:32:54 +05:30 committed by David S. Miller
parent 9f134c34fb
commit c7395d6bd7
1 changed files with 29 additions and 0 deletions
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29
lib/test_bpf.c
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@ -4222,6 +4222,20 @@ static struct bpf_test tests[] = {
{ },
{ { 0, 1 } },
},
{
"JMP_JGT_K: Unsigned jump: if (-1 > 1) return 1",
.u.insns_int = {
BPF_ALU32_IMM(BPF_MOV, R0, 0),
BPF_LD_IMM64(R1, -1),
BPF_JMP_IMM(BPF_JGT, R1, 1, 1),
BPF_EXIT_INSN(),
BPF_ALU32_IMM(BPF_MOV, R0, 1),
BPF_EXIT_INSN(),
},
INTERNAL,
{ },
{ { 0, 1 } },
},
/* BPF_JMP | BPF_JGE | BPF_K */
{
"JMP_JGE_K: if (3 >= 2) return 1",
@ -4404,6 +4418,21 @@ static struct bpf_test tests[] = {
{ },
{ { 0, 1 } },
},
{
"JMP_JGT_X: Unsigned jump: if (-1 > 1) return 1",
.u.insns_int = {
BPF_ALU32_IMM(BPF_MOV, R0, 0),
BPF_LD_IMM64(R1, -1),
BPF_LD_IMM64(R2, 1),
BPF_JMP_REG(BPF_JGT, R1, R2, 1),
BPF_EXIT_INSN(),
BPF_ALU32_IMM(BPF_MOV, R0, 1),
BPF_EXIT_INSN(),
},
INTERNAL,
{ },
{ { 0, 1 } },
},
/* BPF_JMP | BPF_JGE | BPF_X */
{
"JMP_JGE_X: if (3 >= 2) return 1",