#ifndef _QUAGGA_MPLS_H
#define _QUAGGA_MPLS_H
+#include <zebra.h>
#include <arpa/inet.h>
+#ifdef MPLS_LABEL_MAX
+#undef MPLS_LABEL_MAX
+#endif
+
+#define MPLS_LABEL_HELPSTR \
+ "Specify label(s) for this route\nOne or more " \
+ "labels in the range (16-1048575) separated by '/'\n"
+
/* Well-known MPLS label values (RFC 3032 etc). */
-#define MPLS_V4_EXP_NULL_LABEL 0
-#define MPLS_RA_LABEL 1
-#define MPLS_V6_EXP_NULL_LABEL 2
-#define MPLS_IMP_NULL_LABEL 3
-#define MPLS_ENTROPY_LABEL_INDICATOR 7
-#define MPLS_GAL_LABEL 13
-#define MPLS_OAM_ALERT_LABEL 14
-#define MPLS_EXTENSION_LABEL 15
+#define MPLS_LABEL_IPV4_EXPLICIT_NULL 0 /* [RFC3032] */
+#define MPLS_LABEL_ROUTER_ALERT 1 /* [RFC3032] */
+#define MPLS_LABEL_IPV6_EXPLICIT_NULL 2 /* [RFC3032] */
+#define MPLS_LABEL_IMPLICIT_NULL 3 /* [RFC3032] */
+#define MPLS_LABEL_ELI 7 /* [RFC6790] */
+#define MPLS_LABEL_GAL 13 /* [RFC5586] */
+#define MPLS_LABEL_OAM_ALERT 14 /* [RFC3429] */
+#define MPLS_LABEL_EXTENSION 15 /* [RFC7274] */
+#define MPLS_LABEL_MAX 1048575
+#define MPLS_LABEL_NONE 0xFFFFFFFF /* for internal use only */
/* Minimum and maximum label values */
-#define MPLS_MIN_RESERVED_LABEL 0
-#define MPLS_MAX_RESERVED_LABEL 15
-#define MPLS_MIN_UNRESERVED_LABEL 16
-#define MPLS_MAX_UNRESERVED_LABEL 1048575
+#define MPLS_LABEL_RESERVED_MIN 0
+#define MPLS_LABEL_RESERVED_MAX 15
+#define MPLS_LABEL_UNRESERVED_MIN 16
+#define MPLS_LABEL_UNRESERVED_MAX 1048575
/* Default min and max SRGB label range */
/* Even if the SRGB allows to manage different Label space between routers,
#define MPLS_MAX_LABELS 16
#define IS_MPLS_RESERVED_LABEL(label) \
- (label >= MPLS_MIN_RESERVED_LABEL && label <= MPLS_MAX_RESERVED_LABEL)
+ (label >= MPLS_LABEL_RESERVED_MIN && label <= MPLS_LABEL_RESERVED_MAX)
#define IS_MPLS_UNRESERVED_LABEL(label) \
- (label >= MPLS_MIN_UNRESERVED_LABEL \
- && label <= MPLS_MAX_UNRESERVED_LABEL)
+ (label >= MPLS_LABEL_UNRESERVED_MIN \
+ && label <= MPLS_LABEL_UNRESERVED_MAX)
/* Definitions for a MPLS label stack entry (RFC 3032). This encodes the
* label, EXP, BOS and TTL fields.
ZEBRA_LSP_STATIC = 1, /* Static LSP. */
ZEBRA_LSP_LDP = 2, /* LDP LSP. */
ZEBRA_LSP_BGP = 3, /* BGP LSP. */
- ZEBRA_LSP_SR = 4 /* Segment Routing LSP. */
+ ZEBRA_LSP_SR = 4, /* Segment Routing LSP. */
+ ZEBRA_LSP_SHARP = 5, /* Identifier for test protocol */
};
/* Functions for basic label operations. */
/* Encode a label stack entry from fields; convert to network byte-order as
* the Netlink interface expects MPLS labels to be in this format.
*/
-static inline mpls_lse_t mpls_lse_encode(mpls_label_t label, u_int32_t ttl,
- u_int32_t exp, u_int32_t bos)
+static inline mpls_lse_t mpls_lse_encode(mpls_label_t label, uint32_t ttl,
+ uint32_t exp, uint32_t bos)
{
mpls_lse_t lse;
lse = htonl((label << MPLS_LS_LABEL_SHIFT) | (exp << MPLS_LS_EXP_SHIFT)
* Netlink interface.
*/
static inline void mpls_lse_decode(mpls_lse_t lse, mpls_label_t *label,
- u_int32_t *ttl, u_int32_t *exp,
- u_int32_t *bos)
+ uint32_t *ttl, uint32_t *exp, uint32_t *bos)
{
mpls_lse_t local_lse;
static inline char *label2str(mpls_label_t label, char *buf, size_t len)
{
switch (label) {
- case MPLS_V4_EXP_NULL_LABEL:
+ case MPLS_LABEL_IPV4_EXPLICIT_NULL:
strlcpy(buf, "IPv4 Explicit Null", len);
return (buf);
- case MPLS_RA_LABEL:
+ case MPLS_LABEL_ROUTER_ALERT:
strlcpy(buf, "Router Alert", len);
return (buf);
- case MPLS_V6_EXP_NULL_LABEL:
- strlcpy(buf, "IPv6 Explict Null", len);
+ case MPLS_LABEL_IPV6_EXPLICIT_NULL:
+ strlcpy(buf, "IPv6 Explicit Null", len);
return (buf);
- case MPLS_IMP_NULL_LABEL:
+ case MPLS_LABEL_IMPLICIT_NULL:
strlcpy(buf, "implicit-null", len);
return (buf);
- case MPLS_ENTROPY_LABEL_INDICATOR:
+ case MPLS_LABEL_ELI:
strlcpy(buf, "Entropy Label Indicator", len);
return (buf);
- case MPLS_GAL_LABEL:
+ case MPLS_LABEL_GAL:
strlcpy(buf, "Generic Associated Channel", len);
return (buf);
- case MPLS_OAM_ALERT_LABEL:
+ case MPLS_LABEL_OAM_ALERT:
strlcpy(buf, "OAM Alert", len);
return (buf);
- case MPLS_EXTENSION_LABEL:
+ case MPLS_LABEL_EXTENSION:
strlcpy(buf, "Extension", len);
return (buf);
default:
}
}
-/* constants used by ldpd */
-#define MPLS_LABEL_IPV4NULL 0 /* IPv4 Explicit NULL Label */
-#define MPLS_LABEL_RTALERT 1 /* Router Alert Label */
-#define MPLS_LABEL_IPV6NULL 2 /* IPv6 Explicit NULL Label */
-#define MPLS_LABEL_IMPLNULL 3 /* Implicit NULL Label */
- /* MPLS_LABEL_RESERVED 4-15 */ /* Values 4-15 are reserved */
-#define MPLS_LABEL_RESERVED_MAX 15
-#define MPLS_LABEL_MAX ((1 << 20) - 1)
+/*
+ * String to label conversion, labels separated by '/'.
+ */
+int mpls_str2label(const char *label_str, uint8_t *num_labels,
+ mpls_label_t *labels);
+
+/*
+ * Label to string conversion, labels in string separated by '/'.
+ */
+char *mpls_label2str(uint8_t num_labels, mpls_label_t *labels, char *buf,
+ int len, int pretty);
#endif
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