ebpf: experiments.

ebpf/include/linux/tc_ematch/tc_em_cmp.h

@@ -0,0 +1,26 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#ifndef __LINUX_TC_EM_CMP_H
+#define __LINUX_TC_EM_CMP_H
+
+#include <linux/types.h>
+#include <linux/pkt_cls.h>
+
+struct tcf_em_cmp {
+	__u32		val;
+	__u32		mask;
+	__u16		off;
+	__u8		align:4;
+	__u8		flags:4;
+	__u8		layer:4;
+	__u8		opnd:4;
+};
+
+enum {
+	TCF_EM_ALIGN_U8  = 1,
+	TCF_EM_ALIGN_U16 = 2,
+	TCF_EM_ALIGN_U32 = 4
+};
+
+#define TCF_EM_CMP_TRANS	1
+
+#endif

ebpf/include/linux/tc_ematch/tc_em_ipt.h

@@ -0,0 +1,20 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#ifndef __LINUX_TC_EM_IPT_H
+#define __LINUX_TC_EM_IPT_H
+
+#include <linux/types.h>
+#include <linux/pkt_cls.h>
+
+enum {
+	TCA_EM_IPT_UNSPEC,
+	TCA_EM_IPT_HOOK,
+	TCA_EM_IPT_MATCH_NAME,
+	TCA_EM_IPT_MATCH_REVISION,
+	TCA_EM_IPT_NFPROTO,
+	TCA_EM_IPT_MATCH_DATA,
+	__TCA_EM_IPT_MAX
+};
+
+#define TCA_EM_IPT_MAX (__TCA_EM_IPT_MAX - 1)
+
+#endif

ebpf/include/linux/tc_ematch/tc_em_meta.h

@@ -0,0 +1,93 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#ifndef __LINUX_TC_EM_META_H
+#define __LINUX_TC_EM_META_H
+
+#include <linux/types.h>
+#include <linux/pkt_cls.h>
+
+enum {
+	TCA_EM_META_UNSPEC,
+	TCA_EM_META_HDR,
+	TCA_EM_META_LVALUE,
+	TCA_EM_META_RVALUE,
+	__TCA_EM_META_MAX
+};
+#define TCA_EM_META_MAX (__TCA_EM_META_MAX - 1)
+
+struct tcf_meta_val {
+	__u16			kind;
+	__u8			shift;
+	__u8			op;
+};
+
+#define TCF_META_TYPE_MASK	(0xf << 12)
+#define TCF_META_TYPE(kind)	(((kind) & TCF_META_TYPE_MASK) >> 12)
+#define TCF_META_ID_MASK	0x7ff
+#define TCF_META_ID(kind)	((kind) & TCF_META_ID_MASK)
+
+enum {
+	TCF_META_TYPE_VAR,
+	TCF_META_TYPE_INT,
+	__TCF_META_TYPE_MAX
+};
+#define TCF_META_TYPE_MAX (__TCF_META_TYPE_MAX - 1)
+
+enum {
+	TCF_META_ID_VALUE,
+	TCF_META_ID_RANDOM,
+	TCF_META_ID_LOADAVG_0,
+	TCF_META_ID_LOADAVG_1,
+	TCF_META_ID_LOADAVG_2,
+	TCF_META_ID_DEV,
+	TCF_META_ID_PRIORITY,
+	TCF_META_ID_PROTOCOL,
+	TCF_META_ID_PKTTYPE,
+	TCF_META_ID_PKTLEN,
+	TCF_META_ID_DATALEN,
+	TCF_META_ID_MACLEN,
+	TCF_META_ID_NFMARK,
+	TCF_META_ID_TCINDEX,
+	TCF_META_ID_RTCLASSID,
+	TCF_META_ID_RTIIF,
+	TCF_META_ID_SK_FAMILY,
+	TCF_META_ID_SK_STATE,
+	TCF_META_ID_SK_REUSE,
+	TCF_META_ID_SK_BOUND_IF,
+	TCF_META_ID_SK_REFCNT,
+	TCF_META_ID_SK_SHUTDOWN,
+	TCF_META_ID_SK_PROTO,
+	TCF_META_ID_SK_TYPE,
+	TCF_META_ID_SK_RCVBUF,
+	TCF_META_ID_SK_RMEM_ALLOC,
+	TCF_META_ID_SK_WMEM_ALLOC,
+	TCF_META_ID_SK_OMEM_ALLOC,
+	TCF_META_ID_SK_WMEM_QUEUED,
+	TCF_META_ID_SK_RCV_QLEN,
+	TCF_META_ID_SK_SND_QLEN,
+ 	TCF_META_ID_SK_ERR_QLEN,
+	TCF_META_ID_SK_FORWARD_ALLOCS,
+	TCF_META_ID_SK_SNDBUF,
+ 	TCF_META_ID_SK_ALLOCS,
+	__TCF_META_ID_SK_ROUTE_CAPS,	/* unimplemented but in ABI already */
+ 	TCF_META_ID_SK_HASH,
+ 	TCF_META_ID_SK_LINGERTIME,
+ 	TCF_META_ID_SK_ACK_BACKLOG,
+ 	TCF_META_ID_SK_MAX_ACK_BACKLOG,
+ 	TCF_META_ID_SK_PRIO,
+ 	TCF_META_ID_SK_RCVLOWAT,
+ 	TCF_META_ID_SK_RCVTIMEO,
+ 	TCF_META_ID_SK_SNDTIMEO,
+ 	TCF_META_ID_SK_SENDMSG_OFF,
+ 	TCF_META_ID_SK_WRITE_PENDING,
+	TCF_META_ID_VLAN_TAG,
+	TCF_META_ID_RXHASH,
+	__TCF_META_ID_MAX
+};
+#define TCF_META_ID_MAX (__TCF_META_ID_MAX - 1)
+
+struct tcf_meta_hdr {
+	struct tcf_meta_val	left;
+	struct tcf_meta_val	right;
+};
+
+#endif

ebpf/include/linux/tc_ematch/tc_em_nbyte.h

@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#ifndef __LINUX_TC_EM_NBYTE_H
+#define __LINUX_TC_EM_NBYTE_H
+
+#include <linux/types.h>
+#include <linux/pkt_cls.h>
+
+struct tcf_em_nbyte {
+	__u16		off;
+	__u16		len:12;
+	__u8		layer:4;
+};
+
+#endif

ebpf/include/linux/tc_ematch/tc_em_text.h

@@ -0,0 +1,20 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#ifndef __LINUX_TC_EM_TEXT_H
+#define __LINUX_TC_EM_TEXT_H
+
+#include <linux/types.h>
+#include <linux/pkt_cls.h>
+
+#define TC_EM_TEXT_ALGOSIZ	16
+
+struct tcf_em_text {
+	char		algo[TC_EM_TEXT_ALGOSIZ];
+	__u16		from_offset;
+	__u16		to_offset;
+	__u16		pattern_len;
+	__u8		from_layer:4;
+	__u8		to_layer:4;
+	__u8		pad;
+};
+
+#endif