summaryrefslogtreecommitdiff
path: root/resources/usr/include/bpf/linux/bpf_common.h
diff options
context:
space:
mode:
authorJaehyun Kim <jeik01.kim@samsung.com>2021-09-09 18:07:45 +0900
committerJaehyun Kim <jeik01.kim@samsung.com>2021-09-14 07:03:18 +0000
commit69a8bbb906b96b0a7925b04a8e33102a653ecf3a (patch)
tree4f847d5b2c7f045a4d47dec468c1119c81734986 /resources/usr/include/bpf/linux/bpf_common.h
parent602168cfe92ab4eeadf13d03748e705e801faa58 (diff)
downloadconnman-69a8bbb906b96b0a7925b04a8e33102a653ecf3a.tar.gz
connman-69a8bbb906b96b0a7925b04a8e33102a653ecf3a.tar.bz2
connman-69a8bbb906b96b0a7925b04a8e33102a653ecf3a.zip
Change-Id: Iaa5566a1be143ede38832cdd8639111fc26b4586 Signed-off-by: Jaehyun Kim <jeik01.kim@samsung.com>
Diffstat (limited to 'resources/usr/include/bpf/linux/bpf_common.h')
-rw-r--r--resources/usr/include/bpf/linux/bpf_common.h57
1 files changed, 57 insertions, 0 deletions
diff --git a/resources/usr/include/bpf/linux/bpf_common.h b/resources/usr/include/bpf/linux/bpf_common.h
new file mode 100644
index 00000000..ee97668b
--- /dev/null
+++ b/resources/usr/include/bpf/linux/bpf_common.h
@@ -0,0 +1,57 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#ifndef _UAPI__LINUX_BPF_COMMON_H__
+#define _UAPI__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 /* _UAPI__LINUX_BPF_COMMON_H__ */