Add build system scaffolding and libc headers

5 files changed, 165 insertions, 0 deletions

diff --git a/include/arch/x86_64/linux/tc_ematch/tc_em_cmp.h b/include/arch/x86_64/linux/tc_ematch/tc_em_cmp.h
new file mode 100644
index 00000000..04c19ee5
--- /dev/null
+++ b/include/arch/x86_64/linux/tc_ematch/tc_em_cmp.h
@@ -0,0 +1,22 @@
+/* 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
diff --git a/include/arch/x86_64/linux/tc_ematch/tc_em_ipt.h b/include/arch/x86_64/linux/tc_ematch/tc_em_ipt.h
new file mode 100644
index 00000000..49a65530
--- /dev/null
+++ b/include/arch/x86_64/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
diff --git a/include/arch/x86_64/linux/tc_ematch/tc_em_meta.h b/include/arch/x86_64/linux/tc_ematch/tc_em_meta.h
new file mode 100644
index 00000000..447946d7
--- /dev/null
+++ b/include/arch/x86_64/linux/tc_ematch/tc_em_meta.h
@@ -0,0 +1,89 @@
+/* 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
diff --git a/include/arch/x86_64/linux/tc_ematch/tc_em_nbyte.h b/include/arch/x86_64/linux/tc_ematch/tc_em_nbyte.h
new file mode 100644
index 00000000..9ebc7ebf
--- /dev/null
+++ b/include/arch/x86_64/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
diff --git a/include/arch/x86_64/linux/tc_ematch/tc_em_text.h b/include/arch/x86_64/linux/tc_ematch/tc_em_text.h
new file mode 100644
index 00000000..e8761987
--- /dev/null
+++ b/include/arch/x86_64/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