projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 1ababeba DL |
1 | /* |
| 2 | * SR-IPv6 implementation | |
| 3 | * | |
| 4 | * Author: | |
| 5 | * David Lebrun <david.lebrun@uclouvain.be> | |
| 6 | * | |
| 7 | * | |
| 8 | * This program is free software; you can redistribute it and/or | |
| 9 | * modify it under the terms of the GNU General Public License | |
| 10 | * as published by the Free Software Foundation; either version | |
| 11 | * 2 of the License, or (at your option) any later version. | |
| 12 | */ | |
| 13 | ||
| 14 | #ifndef _UAPI_LINUX_SEG6_H | |
| 15 | #define _UAPI_LINUX_SEG6_H | |
| 16 | ||
| 17 | /* | |
| 18 | * SRH | |
| 19 | */ | |
| 20 | struct ipv6_sr_hdr { | |
| 21 | __u8 nexthdr; | |
| 22 | __u8 hdrlen; | |
| 23 | __u8 type; | |
| 24 | __u8 segments_left; | |
| 25 | __u8 first_segment; | |
| 26 | __u8 flag_1; | |
| 27 | __u8 flag_2; | |
| 28 | __u8 reserved; | |
| 29 | ||
| 30 | struct in6_addr segments[0]; | |
| 31 | }; | |
| 32 | ||
| 33 | #define SR6_FLAG1_CLEANUP (1 << 7) | |
| 34 | #define SR6_FLAG1_PROTECTED (1 << 6) | |
| 35 | #define SR6_FLAG1_OAM (1 << 5) | |
| 36 | #define SR6_FLAG1_ALERT (1 << 4) | |
| 37 | #define SR6_FLAG1_HMAC (1 << 3) | |
| 38 | ||
| 39 | #define SR6_TLV_INGRESS 1 | |
| 40 | #define SR6_TLV_EGRESS 2 | |
| 41 | #define SR6_TLV_OPAQUE 3 | |
| 42 | #define SR6_TLV_PADDING 4 | |
| 43 | #define SR6_TLV_HMAC 5 | |
| 44 | ||
| 45 | #define sr_has_cleanup(srh) ((srh)->flag_1 & SR6_FLAG1_CLEANUP) | |
| 46 | #define sr_has_hmac(srh) ((srh)->flag_1 & SR6_FLAG1_HMAC) | |
| 47 | ||
| 48 | struct sr6_tlv { | |
| 49 | __u8 type; | |
| 50 | __u8 len; | |
| 51 | __u8 data[0]; | |
| 52 | }; | |
| 53 | ||
| 54 | #endif |