projects / mirror_ubuntu-bionic-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| f3baa393 SW |
1 | #ifndef _UAPI_MPLS_H |
| 2 | #define _UAPI_MPLS_H | |
| 3 | ||
| 4 | #include <linux/types.h> | |
| 5 | #include <asm/byteorder.h> | |
| 6 | ||
| 7 | /* Reference: RFC 5462, RFC 3032 | |
| 8 | * | |
| 9 | * 0 1 2 3 | |
| 10 | * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 | |
| 11 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
| 12 | * | Label | TC |S| TTL | | |
| 13 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
| 14 | * | |
| 15 | * Label: Label Value, 20 bits | |
| 16 | * TC: Traffic Class field, 3 bits | |
| 17 | * S: Bottom of Stack, 1 bit | |
| 18 | * TTL: Time to Live, 8 bits | |
| 19 | */ | |
| 20 | ||
| 21 | struct mpls_label { | |
| 22 | __be32 entry; | |
| 23 | }; | |
| 24 | ||
| 25 | #define MPLS_LS_LABEL_MASK 0xFFFFF000 | |
| 26 | #define MPLS_LS_LABEL_SHIFT 12 | |
| 27 | #define MPLS_LS_TC_MASK 0x00000E00 | |
| 28 | #define MPLS_LS_TC_SHIFT 9 | |
| 29 | #define MPLS_LS_S_MASK 0x00000100 | |
| 30 | #define MPLS_LS_S_SHIFT 8 | |
| 31 | #define MPLS_LS_TTL_MASK 0x000000FF | |
| 32 | #define MPLS_LS_TTL_SHIFT 0 | |
| 33 | ||
| c967a087 | 34 | /* Reserved labels */ |
| 78f5b899 TH |
35 | #define MPLS_LABEL_IPV4NULL 0 /* RFC3032 */ |
| 36 | #define MPLS_LABEL_RTALERT 1 /* RFC3032 */ | |
| 37 | #define MPLS_LABEL_IPV6NULL 2 /* RFC3032 */ | |
| 38 | #define MPLS_LABEL_IMPLNULL 3 /* RFC3032 */ | |
| 39 | #define MPLS_LABEL_ENTROPY 7 /* RFC6790 */ | |
| c967a087 | 40 | #define MPLS_LABEL_GAL 13 /* RFC5586 */ |
| 78f5b899 | 41 | #define MPLS_LABEL_OAMALERT 14 /* RFC3429 */ |
| c967a087 TH |
42 | #define MPLS_LABEL_EXTENSION 15 /* RFC7274 */ |
| 43 | ||
| a6affd24 RS |
44 | #define MPLS_LABEL_FIRST_UNRESERVED 16 /* RFC3032 */ |
| 45 | ||
| 27d69105 RS |
46 | /* These are embedded into IFLA_STATS_AF_SPEC: |
| 47 | * [IFLA_STATS_AF_SPEC] | |
| 48 | * -> [AF_MPLS] | |
| 49 | * -> [MPLS_STATS_xxx] | |
| 50 | * | |
| 51 | * Attributes: | |
| 52 | * [MPLS_STATS_LINK] = { | |
| 53 | * struct mpls_link_stats | |
| 54 | * } | |
| 55 | */ | |
| 56 | enum { | |
| 57 | MPLS_STATS_UNSPEC, /* also used as 64bit pad attribute */ | |
| 58 | MPLS_STATS_LINK, | |
| 59 | __MPLS_STATS_MAX, | |
| 60 | }; | |
| 61 | ||
| 62 | #define MPLS_STATS_MAX (__MPLS_STATS_MAX - 1) | |
| 63 | ||
| 64 | struct mpls_link_stats { | |
| 65 | __u64 rx_packets; /* total packets received */ | |
| 66 | __u64 tx_packets; /* total packets transmitted */ | |
| 67 | __u64 rx_bytes; /* total bytes received */ | |
| 68 | __u64 tx_bytes; /* total bytes transmitted */ | |
| 69 | __u64 rx_errors; /* bad packets received */ | |
| 70 | __u64 tx_errors; /* packet transmit problems */ | |
| 71 | __u64 rx_dropped; /* packet dropped on receive */ | |
| 72 | __u64 tx_dropped; /* packet dropped on transmit */ | |
| 73 | __u64 rx_noroute; /* no route for packet dest */ | |
| 74 | }; | |
| 75 | ||
| f3baa393 | 76 | #endif /* _UAPI_MPLS_H */ |