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authorPeter Seiderer <ps.report@gmx.net>2018-11-06 23:20:36 +0100
committerSean Young <sean@mess.org>2018-11-22 13:03:04 +0000
commit4e7606a3f8bdc332664f3762180b825773790b6c (patch)
tree86a4f9e35bb00282f1b0d8494977a3fefdaa02f9 /include
parentfcde9d178adb91cad74ed705c3009f8b05b4b44b (diff)
Add missing linux/bpf_common.h
File needed by linux/bpf.h, add copy from linux-4.19.1 (and add to sync-with-kernel Makefile target). Signed-off-by: Peter Seiderer <ps.report@gmx.net> Signed-off-by: Sean Young <sean@mess.org>
Diffstat (limited to 'include')
-rw-r--r--include/linux/bpf_common.h57
1 files changed, 57 insertions, 0 deletions
diff --git a/include/linux/bpf_common.h b/include/linux/bpf_common.h
new file mode 100644
index 00000000..f0fe1394
--- /dev/null
+++ b/include/linux/bpf_common.h
@@ -0,0 +1,57 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#ifndef __LINUX_BPF_COMMON_H__
+#define __LINUX_BPF_COMMON_H__
+
+/* Instruction classes */
+#define BPF_CLASS(code) ((code) & 0x07)
+#define BPF_LD 0x00
+#define BPF_LDX 0x01
+#define BPF_ST 0x02
+#define BPF_STX 0x03
+#define BPF_ALU 0x04
+#define BPF_JMP 0x05
+#define BPF_RET 0x06
+#define BPF_MISC 0x07
+
+/* ld/ldx fields */
+#define BPF_SIZE(code) ((code) & 0x18)
+#define BPF_W 0x00 /* 32-bit */
+#define BPF_H 0x08 /* 16-bit */
+#define BPF_B 0x10 /* 8-bit */
+/* eBPF BPF_DW 0x18 64-bit */
+#define BPF_MODE(code) ((code) & 0xe0)
+#define BPF_IMM 0x00
+#define BPF_ABS 0x20
+#define BPF_IND 0x40
+#define BPF_MEM 0x60
+#define BPF_LEN 0x80
+#define BPF_MSH 0xa0
+
+/* alu/jmp fields */
+#define BPF_OP(code) ((code) & 0xf0)
+#define BPF_ADD 0x00
+#define BPF_SUB 0x10
+#define BPF_MUL 0x20
+#define BPF_DIV 0x30
+#define BPF_OR 0x40
+#define BPF_AND 0x50
+#define BPF_LSH 0x60
+#define BPF_RSH 0x70
+#define BPF_NEG 0x80
+#define BPF_MOD 0x90
+#define BPF_XOR 0xa0
+
+#define BPF_JA 0x00
+#define BPF_JEQ 0x10
+#define BPF_JGT 0x20
+#define BPF_JGE 0x30
+#define BPF_JSET 0x40
+#define BPF_SRC(code) ((code) & 0x08)
+#define BPF_K 0x00
+#define BPF_X 0x08
+
+#ifndef BPF_MAXINSNS
+#define BPF_MAXINSNS 4096
+#endif
+
+#endif /* __LINUX_BPF_COMMON_H__ */

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