cpp-d1064d

[cross.git] / i686-linux-gnu-4.7 / usr / include / linux / seg6.h

diff --git a/i686-linux-gnu-4.7/usr/include/linux/seg6.h b/i686-linux-gnu-4.7/usr/include/linux/seg6.h
new file mode 100644 (file)
index 0000000..329163e
--- /dev/null
+++ b/i686-linux-gnu-4.7/usr/include/linux/seg6.h
@@ -0,0 +1,55 @@
+/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
+/*
+ *  SR-IPv6 implementation
+ *
+ *  Author:
+ *  David Lebrun <david.lebrun@uclouvain.be>
+ *
+ *
+ *  This program is free software; you can redistribute it and/or
+ *      modify it under the terms of the GNU General Public License
+ *      as published by the Free Software Foundation; either version
+ *      2 of the License, or (at your option) any later version.
+ */
+
+#ifndef _LINUX_SEG6_H
+#define _LINUX_SEG6_H
+
+#include <linux/types.h>
+#include <linux/in6.h>         /* For struct in6_addr. */
+
+/*
+ * SRH
+ */
+struct ipv6_sr_hdr {
+       __u8    nexthdr;
+       __u8    hdrlen;
+       __u8    type;
+       __u8    segments_left;
+       __u8    first_segment; /* Represents the last_entry field of SRH */
+       __u8    flags;
+       __u16   tag;
+
+       struct in6_addr segments[0];
+};
+
+#define SR6_FLAG1_PROTECTED    (1 << 6)
+#define SR6_FLAG1_OAM          (1 << 5)
+#define SR6_FLAG1_ALERT                (1 << 4)
+#define SR6_FLAG1_HMAC         (1 << 3)
+
+#define SR6_TLV_INGRESS                1
+#define SR6_TLV_EGRESS         2
+#define SR6_TLV_OPAQUE         3
+#define SR6_TLV_PADDING                4
+#define SR6_TLV_HMAC           5
+
+#define sr_has_hmac(srh) ((srh)->flags & SR6_FLAG1_HMAC)
+
+struct sr6_tlv {
+       __u8 type;
+       __u8 len;
+       __u8 data[0];
+};
+
+#endif