Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  *  SR-IPv6 implementation
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  *  Author:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  *  David Lebrun <david.lebrun@uclouvain.be>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9)  *  This program is free software; you can redistribute it and/or
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)  *      modify it under the terms of the GNU General Public License
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)  *      as published by the Free Software Foundation; either version
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12)  *      2 of the License, or (at your option) any later version.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #ifndef _UAPI_LINUX_SEG6_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #define _UAPI_LINUX_SEG6_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <linux/in6.h>		/* For struct in6_addr. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)  * SRH
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) struct ipv6_sr_hdr {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 	__u8	nexthdr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 	__u8	hdrlen;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 	__u8	type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 	__u8	segments_left;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	__u8	first_segment; /* Represents the last_entry field of SRH */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 	__u8	flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 	__u16	tag;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 	struct in6_addr segments[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) #define SR6_FLAG1_PROTECTED	(1 << 6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) #define SR6_FLAG1_OAM		(1 << 5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) #define SR6_FLAG1_ALERT		(1 << 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) #define SR6_FLAG1_HMAC		(1 << 3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) #define SR6_TLV_INGRESS		1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) #define SR6_TLV_EGRESS		2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) #define SR6_TLV_OPAQUE		3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) #define SR6_TLV_PADDING		4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) #define SR6_TLV_HMAC		5
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) #define sr_has_hmac(srh) ((srh)->flags & SR6_FLAG1_HMAC)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) struct sr6_tlv {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) 	__u8 type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 	__u8 len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) 	__u8 data[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) #endif