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Commit c7395d6b authored by Naveen N. Rao's avatar Naveen N. Rao Committed by David S. Miller
Browse files

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: default avatarNaveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Acked-by: default avatarAlexei Starovoitov <ast@kernel.org>
Acked-by: default avatarDaniel Borkmann <daniel@iogearbox.net>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 9f134c34

lib/test_bpf.c

+29 −0
Original line number Diff line number Diff line
@@ -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",