diff options
| author |   Yunhong Jiang <yunhong.jiang@intel.com> | 2015-08-04 12:17:53 -0700 |
|---|---|---|
| committer | Yunhong Jiang <yunhong.jiang@intel.com> | 2015-08-04 15:44:42 -0700 |
| commit | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (patch) | |
| tree | 1c9cafbcd35f783a87880a10f85d1a060db1a563 /kernel/include/uapi/linux/mpls.h | |
| parent | 98260f3884f4a202f9ca5eabed40b1354c489b29 (diff) | |
Add the rt linux 4.1.3-rt3 as base
Import the rt linux 4.1.3-rt3 as OPNFV kvm base.
It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and
the base is:
commit 0917f823c59692d751951bf5ea699a2d1e2f26a2
Author: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Sat Jul 25 12:13:34 2015 +0200
Prepare v4.1.3-rt3
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
We lose all the git history this way and it's not good. We
should apply another opnfv project repo in future.
Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423
Signed-off-by: Yunhong Jiang <yunhong.jiang@intel.com>
Diffstat (limited to 'kernel/include/uapi/linux/mpls.h')
| -rw-r--r-- | kernel/include/uapi/linux/mpls.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/kernel/include/uapi/linux/mpls.h b/kernel/include/uapi/linux/mpls.h new file mode 100644 index 000000000..139d4dd1c --- /dev/null +++ b/kernel/include/uapi/linux/mpls.h @@ -0,0 +1,44 @@ +#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 + +/* Reserved labels */ +#define MPLS_LABEL_IPV4NULL 0 /* RFC3032 */ +#define MPLS_LABEL_RTALERT 1 /* RFC3032 */ +#define MPLS_LABEL_IPV6NULL 2 /* RFC3032 */ +#define MPLS_LABEL_IMPLNULL 3 /* RFC3032 */ +#define MPLS_LABEL_ENTROPY 7 /* RFC6790 */ +#define MPLS_LABEL_GAL 13 /* RFC5586 */ +#define MPLS_LABEL_OAMALERT 14 /* RFC3429 */ +#define MPLS_LABEL_EXTENSION 15 /* RFC7274 */ + +#endif /* _UAPI_MPLS_H */ |