| | 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 | |
| | 34 | /* Reserved labels */ |
| | 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 */ |
| | 40 | #define MPLS_LABEL_GAL 13 /* RFC5586 */ |
| | 41 | #define MPLS_LABEL_OAMALERT 14 /* RFC3429 */ |
| | 42 | #define MPLS_LABEL_EXTENSION 15 /* RFC7274 */ |
| | 43 | |
| | 44 | #define MPLS_LABEL_FIRST_UNRESERVED 16 /* RFC3032 */ |
| | 45 | |
| | 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 | |
| | 76 | #endif /* _UAPI_MPLS_H */ |
projects / mirror_ubuntu-artful-kernel.git / blame_incremental