From fc00c656c96528112d05cf0edf8631bd5eaea446 Mon Sep 17 00:00:00 2001
From: Kacper <kacper@mail.openlinux.dev>
Date: Sun, 7 Dec 2025 20:10:31 +0100
Subject: Add build system scaffolding and libc headers

---
 include/arch/x86_64/linux/atm_tcp.h | 60 +++++++++++++++++++++++++++++++++++++
 1 file changed, 60 insertions(+)
 create mode 100644 include/arch/x86_64/linux/atm_tcp.h

(limited to 'include/arch/x86_64/linux/atm_tcp.h')

diff --git a/include/arch/x86_64/linux/atm_tcp.h b/include/arch/x86_64/linux/atm_tcp.h
new file mode 100644
index 00000000..0402821e
--- /dev/null
+++ b/include/arch/x86_64/linux/atm_tcp.h
@@ -0,0 +1,60 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+/* atm_tcp.h - Driver-specific declarations of the ATMTCP driver (for use by
+	       driver-specific utilities) */
+
+/* Written 1997-2000 by Werner Almesberger, EPFL LRC/ICA */
+
+#ifndef LINUX_ATM_TCP_H
+#define LINUX_ATM_TCP_H
+
+#include <linux/atmapi.h>
+#include <linux/atm.h>
+#include <linux/atmioc.h>
+#include <linux/types.h>
+
+/*
+ * All values in struct atmtcp_hdr are in network byte order
+ */
+
+struct atmtcp_hdr {
+	__u16 vpi;
+	__u16 vci;
+	__u32 length; /* ... of data part */
+};
+
+/*
+ * All values in struct atmtcp_command are in host byte order
+ */
+
+#define ATMTCP_HDR_MAGIC  (~0) /* this length indicates a command */
+#define ATMTCP_CTRL_OPEN  1    /* request/reply */
+#define ATMTCP_CTRL_CLOSE 2    /* request/reply */
+
+struct atmtcp_control {
+	struct atmtcp_hdr hdr;	     /* must be first */
+	int type;		     /* message type; both directions */
+	atm_kptr_t vcc;		     /* both directions */
+	struct sockaddr_atmpvc addr; /* suggested value from kernel */
+	struct atm_qos qos;	     /* both directions */
+	int result;		     /* to kernel only */
+} __ATM_API_ALIGN;
+
+/*
+ * Field usage:
+ * Messge type	dir.	hdr.v?i	type	addr	qos	vcc	result
+ * -----------  ----	------- ----	----	---	---	------
+ * OPEN		K->D	Y	Y	Y	Y	Y	0
+ * OPEN		D->K	-	Y	Y	Y	Y	Y
+ * CLOSE	K->D	-	-	Y	-	Y	0
+ * CLOSE	D->K	-	-	-	-	Y	Y
+ */
+
+#define SIOCSIFATMTCP _IO('a', ATMIOC_ITF) /* set ATMTCP mode */
+#define ATMTCP_CREATE                                         \
+	_IO('a', ATMIOC_ITF + 14) /* create persistent ATMTCP \
+				     interface */
+#define ATMTCP_REMOVE                                          \
+	_IO('a', ATMIOC_ITF + 15) /* destroy persistent ATMTCP \
+				     interface */
+
+#endif /* LINUX_ATM_TCP_H */
-- 
cgit v1.2.3