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authorNaveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>2016-04-05 15:32:54 +0530
committerDavid S. Miller <davem@davemloft.net>2016-04-06 16:47:51 -0400
commitc7395d6bd7cc1ca6a47b733439c364f7a423a489 (patch)
treedc82e7201a7ded00142937dc772f6e57919af89f /lib
parent9f134c34fbce58d863f60995cc13728af28b741a (diff)
downloadlinux-c7395d6bd7cc1ca6a47b733439c364f7a423a489.tar.gz
lib/test_bpf: Add tests for unsigned BPF_JGT
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>
Diffstat (limited to 'lib')
-rw-r--r--lib/test_bpf.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/lib/test_bpf.c b/lib/test_bpf.c
index e76fa4d224d8..7e6fb49530dc 100644
--- a/lib/test_bpf.c
+++ b/lib/test_bpf.c
@@ -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",