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| author | Ingo Molnar <mingo@kernel.org> | 2014-04-14 16:44:42 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2014-04-14 16:44:42 +0200 |
| commit | 740c699a8d316c8bf8593f19e2ca47795e690622 (patch) | |
| tree | a78886955770a477945c5d84e06b2e7678733b54 /include/uapi/linux/mpls.h | |
| parent | e69af4657e7764d03ad555f0b583d9c4217bcefa (diff) | |
| parent | c9eaa447e77efe77b7fa4c953bd62de8297fd6c5 (diff) | |
Merge tag 'v3.15-rc1' into perf/urgent
Pick up the latest fixes.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/uapi/linux/mpls.h')
| -rw-r--r-- | include/uapi/linux/mpls.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/include/uapi/linux/mpls.h b/include/uapi/linux/mpls.h new file mode 100644 index 00000000000..bc9abfe88c9 --- /dev/null +++ b/include/uapi/linux/mpls.h @@ -0,0 +1,34 @@ +#ifndef _UAPI_MPLS_H +#define _UAPI_MPLS_H + +#include <linux/types.h> +#include <asm/byteorder.h> + +/* Reference: RFC 5462, RFC 3032 + * + * 0 1 2 3 + * 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 + * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + * | Label | TC |S| TTL | + * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + * + * Label: Label Value, 20 bits + * TC: Traffic Class field, 3 bits + * S: Bottom of Stack, 1 bit + * TTL: Time to Live, 8 bits + */ + +struct mpls_label { + __be32 entry; +}; + +#define MPLS_LS_LABEL_MASK 0xFFFFF000 +#define MPLS_LS_LABEL_SHIFT 12 +#define MPLS_LS_TC_MASK 0x00000E00 +#define MPLS_LS_TC_SHIFT 9 +#define MPLS_LS_S_MASK 0x00000100 +#define MPLS_LS_S_SHIFT 8 +#define MPLS_LS_TTL_MASK 0x000000FF +#define MPLS_LS_TTL_SHIFT 0 + +#endif /* _UAPI_MPLS_H */ |