Quelle mpls.h Sprache: C

/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#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 */

#define MPLS_LABEL_FIRST_UNRESERVED 16 /* RFC3032 */

/* These are embedded into IFLA_STATS_AF_SPEC:
* [IFLA_STATS_AF_SPEC]
* -> [AF_MPLS]
*    -> [MPLS_STATS_xxx]
*
* Attributes:
* [MPLS_STATS_LINK] = {
*     struct mpls_link_stats
* }
*/
enum {
MPLS_STATS_UNSPEC, /* also used as 64bit pad attribute */
MPLS_STATS_LINK,
__MPLS_STATS_MAX,
};

#define MPLS_STATS_MAX (__MPLS_STATS_MAX - 1)

struct mpls_link_stats {
__u64 rx_packets;  /* total packets received */
__u64 tx_packets;  /* total packets transmitted */
__u64 rx_bytes;  /* total bytes received */
__u64 tx_bytes;  /* total bytes transmitted */
__u64 rx_errors;  /* bad packets received */
__u64 tx_errors;  /* packet transmit problems */
__u64 rx_dropped;  /* packet dropped on receive */
__u64 tx_dropped;  /* packet dropped on transmit */
__u64 rx_noroute;  /* no route for packet dest */
};

#endif /* _UAPI_MPLS_H */

quality96%

¤ Dauer der Verarbeitung: 0.6 Sekunden ¤

Wurzel

Suchen

Beweissystem der NASA

Beweissystem Isabelle

NIST Cobol Testsuite

Cephes Mathematical Library

Wiener Entwicklungsmethode

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.

Bemerkung:

Die farbliche Syntaxdarstellung ist noch experimentell.