* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2, or (at your option) any
* later version.
- *
+ *
* GNU Zebra is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
- * You should have received a copy of the GNU General Public License
- * along with GNU Zebra; see the file COPYING. If not, write to the Free
- * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
- * 02111-1307, USA.
+ * You should have received a copy of the GNU General Public License along
+ * with this program; see the file COPYING; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
/* Add support of RFC7471 */
#define FLOOD_AS 0x20
#define EMULATED 0x80
-#define IS_STD_TE(x) (x & STD_TE)
+#define IS_STD_TE(x) (x & STD_TE)
#define IS_PSEUDO_TE(x) (x & PSEUDO_TE)
#define IS_INTER_AS(x) (x & INTER_AS)
#define IS_EMULATED(x) (x & EMULATED)
#define LPFLG_LOOKUP_DONE 0x4
#define LPFLG_LSA_FORCED_REFRESH 0x8
-/*
- * Following section defines TLV (tag, length, value) structures,
- * used for Traffic Engineering.
- */
-struct te_tlv_header
-{
- u_int16_t type; /* TE_TLV_XXX (see below) */
- u_int16_t length; /* Value portion only, in octets */
-};
-
-#define TLV_HDR_SIZE \
- (sizeof (struct te_tlv_header))
-
-#define TLV_BODY_SIZE(tlvh) \
- (ROUNDUP (ntohs ((tlvh)->length), sizeof (u_int32_t)))
-
-#define TLV_SIZE(tlvh) \
- (TLV_HDR_SIZE + TLV_BODY_SIZE(tlvh))
-
-#define TLV_HDR_TOP(lsah) \
- (struct te_tlv_header *)((char *)(lsah) + OSPF_LSA_HEADER_SIZE)
-
-#define TLV_HDR_NEXT(tlvh) \
- (struct te_tlv_header *)((char *)(tlvh) + TLV_SIZE(tlvh))
-
-#define TLV_HDR_SUBTLV(tlvh) \
- (struct te_tlv_header *)((char *)(tlvh) + TLV_HDR_SIZE)
-
-#define TLV_TYPE(tlvh) tlvh.header.type
-#define TLV_LEN(tlvh) tlvh.header.length
-#define TLV_HDR(tlvh) tlvh.header
-
-
/*
* Following section defines TLV body parts.
*/
+
/* Router Address TLV */ /* Mandatory */
#define TE_TLV_ROUTER_ADDR 1
-struct te_tlv_router_addr
-{
- struct te_tlv_header header; /* Value length is 4 octets. */
- struct in_addr value;
+struct te_tlv_router_addr {
+ struct tlv_header header; /* Value length is 4 octets. */
+ struct in_addr value;
};
/* Link TLV */
#define TE_TLV_LINK 2
-struct te_tlv_link
-{
- struct te_tlv_header header;
- /* A set of link-sub-TLVs will follow. */
+struct te_tlv_link {
+ struct tlv_header header;
+ /* A set of link-sub-TLVs will follow. */
};
+/* Default TE TLV size */
#define TE_LINK_SUBTLV_DEF_SIZE 4
/* Link Type Sub-TLV */ /* Mandatory */
#define TE_LINK_SUBTLV_LINK_TYPE 1
#define TE_LINK_SUBTLV_TYPE_SIZE 1
-struct te_link_subtlv_link_type
-{
- struct te_tlv_header header; /* Value length is 1 octet. */
- struct
- {
+struct te_link_subtlv_link_type {
+ struct tlv_header header; /* Value length is 1 octet. */
+ struct {
#define LINK_TYPE_SUBTLV_VALUE_PTP 1
#define LINK_TYPE_SUBTLV_VALUE_MA 2
- u_char value;
- u_char padding[3];
- } link_type;
+ uint8_t value;
+ uint8_t padding[3];
+ } link_type;
};
/* Link Sub-TLV: Link ID */ /* Mandatory */
#define TE_LINK_SUBTLV_LINK_ID 2
-struct te_link_subtlv_link_id
-{
- struct te_tlv_header header; /* Value length is 4 octets. */
- struct in_addr value; /* Same as router-lsa's link-id. */
+struct te_link_subtlv_link_id {
+ struct tlv_header header; /* Value length is 4 octets. */
+ struct in_addr value; /* Same as router-lsa's link-id. */
};
/* Link Sub-TLV: Local Interface IP Address */ /* Optional */
#define TE_LINK_SUBTLV_LCLIF_IPADDR 3
-struct te_link_subtlv_lclif_ipaddr
-{
- struct te_tlv_header header; /* Value length is 4 x N octets. */
- struct in_addr value[1]; /* Local IP address(es). */
+struct te_link_subtlv_lclif_ipaddr {
+ struct tlv_header header; /* Value length is 4 x N octets. */
+ struct in_addr value[1]; /* Local IP address(es). */
};
/* Link Sub-TLV: Remote Interface IP Address */ /* Optional */
#define TE_LINK_SUBTLV_RMTIF_IPADDR 4
-struct te_link_subtlv_rmtif_ipaddr
-{
- struct te_tlv_header header; /* Value length is 4 x N octets. */
- struct in_addr value[1]; /* Neighbor's IP address(es). */
+struct te_link_subtlv_rmtif_ipaddr {
+ struct tlv_header header; /* Value length is 4 x N octets. */
+ struct in_addr value[1]; /* Neighbor's IP address(es). */
};
/* Link Sub-TLV: Traffic Engineering Metric */ /* Optional */
#define TE_LINK_SUBTLV_TE_METRIC 5
-struct te_link_subtlv_te_metric
-{
- struct te_tlv_header header; /* Value length is 4 octets. */
- u_int32_t value; /* Link metric for TE purpose. */
+struct te_link_subtlv_te_metric {
+ struct tlv_header header; /* Value length is 4 octets. */
+ uint32_t value; /* Link metric for TE purpose. */
};
/* Link Sub-TLV: Maximum Bandwidth */ /* Optional */
#define TE_LINK_SUBTLV_MAX_BW 6
-struct te_link_subtlv_max_bw
-{
- struct te_tlv_header header; /* Value length is 4 octets. */
- float value; /* bytes/sec */
+struct te_link_subtlv_max_bw {
+ struct tlv_header header; /* Value length is 4 octets. */
+ float value; /* bytes/sec */
};
/* Link Sub-TLV: Maximum Reservable Bandwidth */ /* Optional */
#define TE_LINK_SUBTLV_MAX_RSV_BW 7
-struct te_link_subtlv_max_rsv_bw
-{
- struct te_tlv_header header; /* Value length is 4 octets. */
- float value; /* bytes/sec */
+struct te_link_subtlv_max_rsv_bw {
+ struct tlv_header header; /* Value length is 4 octets. */
+ float value; /* bytes/sec */
};
/* Link Sub-TLV: Unreserved Bandwidth */ /* Optional */
#define TE_LINK_SUBTLV_UNRSV_BW 8
#define TE_LINK_SUBTLV_UNRSV_SIZE 32
-struct te_link_subtlv_unrsv_bw
-{
- struct te_tlv_header header; /* Value length is 32 octets. */
- float value[MAX_CLASS_TYPE]; /* One for each priority level. */
+struct te_link_subtlv_unrsv_bw {
+ struct tlv_header header; /* Value length is 32 octets. */
+ float value[MAX_CLASS_TYPE]; /* One for each priority level. */
};
/* Link Sub-TLV: Resource Class/Color */ /* Optional */
#define TE_LINK_SUBTLV_RSC_CLSCLR 9
-struct te_link_subtlv_rsc_clsclr
-{
- struct te_tlv_header header; /* Value length is 4 octets. */
- u_int32_t value; /* Admin. group membership. */
+struct te_link_subtlv_rsc_clsclr {
+ struct tlv_header header; /* Value length is 4 octets. */
+ uint32_t value; /* Admin. group membership. */
};
/* For RFC6827 */
/* Local and Remote TE Router ID */
#define TE_LINK_SUBTLV_LRRID 10
#define TE_LINK_SUBTLV_LRRID_SIZE 8
-struct te_link_subtlv_lrrid
-{
- struct te_tlv_header header; /* Value length is 8 octets. */
- struct in_addr local; /* Local TE Router Identifier */
- struct in_addr remote; /* Remote TE Router Identifier */
+struct te_link_subtlv_lrrid {
+ struct tlv_header header; /* Value length is 8 octets. */
+ struct in_addr local; /* Local TE Router Identifier */
+ struct in_addr remote; /* Remote TE Router Identifier */
};
/* RFC4203: Link Local/Remote Identifiers */
#define TE_LINK_SUBTLV_LLRI 11
#define TE_LINK_SUBTLV_LLRI_SIZE 8
-struct te_link_subtlv_llri
-{
- struct te_tlv_header header; /* Value length is 8 octets. */
- u_int32_t local; /* Link Local Identifier */
- u_int32_t remote; /* Link Remote Identifier */
+struct te_link_subtlv_llri {
+ struct tlv_header header; /* Value length is 8 octets. */
+ uint32_t local; /* Link Local Identifier */
+ uint32_t remote; /* Link Remote Identifier */
};
-/* Inter-RA Export Upward sub-TLV (12) and Inter-RA Export Downward sub-TLV (13) (RFC6827bis) are not yet supported */
+/* Inter-RA Export Upward sub-TLV (12) and Inter-RA Export Downward sub-TLV (13)
+ * (RFC6827bis) are not yet supported */
/* SUBTLV 14-16 (RFC4203) are not yet supported */
/* Bandwidth Constraints sub-TLV (17) (RFC4124) is not yet supported */
/* SUBLV 18-20 are for OSPFv3 TE (RFC5329). see ospf6d */
/* For RFC 5392 */
/* Remote AS Number sub-TLV */
#define TE_LINK_SUBTLV_RAS 21
-struct te_link_subtlv_ras
-{
- struct te_tlv_header header; /* Value length is 4 octets. */
- u_int32_t value; /* Remote AS number */
+struct te_link_subtlv_ras {
+ struct tlv_header header; /* Value length is 4 octets. */
+ uint32_t value; /* Remote AS number */
};
/* IPv4 Remote ASBR ID Sub-TLV */
#define TE_LINK_SUBTLV_RIP 22
-struct te_link_subtlv_rip
-{
- struct te_tlv_header header; /* Value length is 4 octets. */
- struct in_addr value; /* Remote ASBR IP address */
+struct te_link_subtlv_rip {
+ struct tlv_header header; /* Value length is 4 octets. */
+ struct in_addr value; /* Remote ASBR IP address */
};
/* SUBTLV 24 is IPv6 Remote ASBR ID (RFC5392). see ospf6d */
/* RFC7471 */
/* Link Sub-TLV: Average Link Delay */ /* Optional */
#define TE_LINK_SUBTLV_AV_DELAY 27
-struct te_link_subtlv_av_delay
-{
- struct te_tlv_header header; /* Value length is 4 bytes. */
- u_int32_t value; /* delay in micro-seconds only 24 bits => 0 ... 16777215
- with Anomalous Bit as Upper most bit */
+struct te_link_subtlv_av_delay {
+ struct tlv_header header; /* Value length is 4 bytes. */
+ /*
+ * delay in micro-seconds only 24 bits => 0 ... 16777215
+ * with Anomalous Bit as Upper most bit
+ */
+ uint32_t value;
};
/* Link Sub-TLV: Low/High Link Delay */
#define TE_LINK_SUBTLV_MM_DELAY 28
#define TE_LINK_SUBTLV_MM_DELAY_SIZE 8
-struct te_link_subtlv_mm_delay
-{
- struct te_tlv_header header; /* Value length is 8 bytes. */
- u_int32_t low; /* low delay in micro-seconds only 24 bits => 0 ... 16777215
- with Anomalous Bit (A) as Upper most bit */
- u_int32_t high; /* high delay in micro-seconds only 24 bits => 0 ... 16777215 */
+struct te_link_subtlv_mm_delay {
+ struct tlv_header header; /* Value length is 8 bytes. */
+ /*
+ * low delay in micro-seconds only 24 bits => 0 ... 16777215
+ * with Anomalous Bit (A) as Upper most bit
+ */
+ uint32_t low;
+ /* high delay in micro-seconds only 24 bits => 0 ... 16777215 */
+ uint32_t high;
};
/* Link Sub-TLV: Link Delay Variation i.e. Jitter */
#define TE_LINK_SUBTLV_DELAY_VAR 29
-struct te_link_subtlv_delay_var
-{
- struct te_tlv_header header; /* Value length is 4 bytes. */
- u_int32_t value; /* interval in micro-seconds only 24 bits => 0 ... 16777215 */
+struct te_link_subtlv_delay_var {
+ struct tlv_header header; /* Value length is 4 bytes. */
+ /* interval in micro-seconds only 24 bits => 0 ... 16777215 */
+ uint32_t value;
};
/* Link Sub-TLV: Routine Unidirectional Link Packet Loss */
#define TE_LINK_SUBTLV_PKT_LOSS 30
-struct te_link_subtlv_pkt_loss
-{
- struct te_tlv_header header; /* Value length is 4 bytes. */
- u_int32_t value; /* in percentage of total traffic only 24 bits (2^24 - 2)
- with Anomalous Bit as Upper most bit */
+struct te_link_subtlv_pkt_loss {
+ struct tlv_header header; /* Value length is 4 bytes. */
+ /*
+ * in percentage of total traffic only 24 bits (2^24 - 2)
+ * with Anomalous Bit as Upper most bit
+ */
+ uint32_t value;
};
/* Link Sub-TLV: Unidirectional Residual Bandwidth */ /* Optional */
#define TE_LINK_SUBTLV_RES_BW 31
-struct te_link_subtlv_res_bw
-{
- struct te_tlv_header header; /* Value length is 4 bytes. */
- float value; /* bandwidth in IEEE floating point format with units in bytes per second */
+struct te_link_subtlv_res_bw {
+ struct tlv_header header; /* Value length is 4 bytes. */
+ /* bandwidth in IEEE floating point format with units in bytes/second */
+ float value;
};
/* Link Sub-TLV: Unidirectional Available Bandwidth */ /* Optional */
#define TE_LINK_SUBTLV_AVA_BW 32
-struct te_link_subtlv_ava_bw
-{
- struct te_tlv_header header; /* Value length is 4 octets. */
- float value; /* bandwidth in IEEE floating point format with units in bytes per second */
+struct te_link_subtlv_ava_bw {
+ struct tlv_header header; /* Value length is 4 octets. */
+ /* bandwidth in IEEE floating point format with units in bytes/second */
+ float value;
};
/* Link Sub-TLV: Unidirectional Utilized Bandwidth */ /* Optional */
#define TE_LINK_SUBTLV_USE_BW 33
-struct te_link_subtlv_use_bw
-{
- struct te_tlv_header header; /* Value length is 4 octets. */
- float value; /* bandwidth in IEEE floating point format with units in bytes per second */
+struct te_link_subtlv_use_bw {
+ struct tlv_header header; /* Value length is 4 octets. */
+ /* bandwidth in IEEE floating point format with units in bytes/second */
+ float value;
};
#define TE_LINK_SUBTLV_MAX 34 /* Last SUBTLV + 1 */
/* Here are "non-official" architectural constants. */
#define MPLS_TE_MINIMUM_BANDWIDTH 1.0 /* Reasonable? *//* XXX */
-/* Following declaration concerns the MPLS-TE and LINk-TE management */
-typedef enum _opcode_t
-{ REORIGINATE_THIS_LSA, REFRESH_THIS_LSA, FLUSH_THIS_LSA } opcode_t;
-
-typedef enum _status_t
-{ disabled, enabled } status_t;
-
/* Mode for Inter-AS Opaque-LSA */
-enum inter_as_mode { Disable, AS, Area };
-
-struct te_link_subtlv
-{
- struct te_tlv_header header;
- union
- {
- u_int32_t link_type;
- struct in_addr link_id;
- struct in_addr lclif;
- struct in_addr rmtif;
- u_int32_t te_metric;
- float max_bw;
- float max_rsv_bw;
- float unrsv[8];
- u_int32_t rsc_clsclr;
- u_int32_t llri[2];
- u_int32_t ras;
- struct in_addr rip;
- struct in_addr lrrid[2];
- u_int32_t av_delay;
- u_int32_t mm_delay;
- u_int32_t delay_var;
- u_int32_t pkt_loss;
- float res_bw;
- float ava_bw;
- float use_bw;
- } value;
+enum inter_as_mode { Off, AS, Area };
+
+struct te_link_subtlv {
+ struct tlv_header header;
+ union {
+ uint32_t link_type;
+ struct in_addr link_id;
+ struct in_addr lclif;
+ struct in_addr rmtif;
+ uint32_t te_metric;
+ float max_bw;
+ float max_rsv_bw;
+ float unrsv[8];
+ uint32_t rsc_clsclr;
+ uint32_t llri[2];
+ uint32_t ras;
+ struct in_addr rip;
+ struct in_addr lrrid[2];
+ uint32_t av_delay;
+ uint32_t mm_delay;
+ uint32_t delay_var;
+ uint32_t pkt_loss;
+ float res_bw;
+ float ava_bw;
+ float use_bw;
+ } value;
};
/* Following structure are internal use only. */
-struct ospf_mpls_te
-{
- /* Status of MPLS-TE: enable or disbale */
- status_t status;
+struct ospf_mpls_te {
+ /* Status of MPLS-TE: enable or disbale */
+ bool enabled;
- /* RFC5392 */
- enum inter_as_mode inter_as;
- struct in_addr interas_areaid;
+ /* RFC5392 */
+ enum inter_as_mode inter_as;
+ struct in_addr interas_areaid;
- /* List elements are zebra-interfaces (ifp), not ospf-interfaces (oi). */
- struct list *iflist;
+ /* List elements are zebra-interfaces (ifp), not ospf-interfaces (oi).
+ */
+ struct list *iflist;
- /* Store Router-TLV in network byte order. */
- struct te_tlv_router_addr router_addr;
+ /* Store Router-TLV in network byte order. */
+ struct te_tlv_router_addr router_addr;
};
-struct mpls_te_link
-{
- /*
- * According to MPLS-TE (draft) specification, 24-bit Opaque-ID field
- * is subdivided into 8-bit "unused" field and 16-bit "instance" field.
- * In this implementation, each Link-TLV has its own instance.
- */
- u_int32_t instance;
-
- /* Reference pointer to a Zebra-interface. */
- struct interface *ifp;
-
- /* Area info in which this MPLS-TE link belongs to. */
- struct ospf_area *area;
-
- /* Flags to manage this link parameters. */
- u_int32_t flags;
-
- /* Type of MPLS-TE link: RFC3630, RFC5392, RFC5392 emulated, RFC6827 */
- u_int8_t type;
-
- /* Store Link-TLV in network byte order. */
- /* RFC3630 & RFC6827 / RFC 6827 */
- struct te_tlv_link link_header;
- struct te_link_subtlv_link_type link_type;
- struct te_link_subtlv_link_id link_id;
- struct te_link_subtlv_lclif_ipaddr lclif_ipaddr;
- struct te_link_subtlv_rmtif_ipaddr rmtif_ipaddr;
- struct te_link_subtlv_te_metric te_metric;
- struct te_link_subtlv_max_bw max_bw;
- struct te_link_subtlv_max_rsv_bw max_rsv_bw;
- struct te_link_subtlv_unrsv_bw unrsv_bw;
- struct te_link_subtlv_rsc_clsclr rsc_clsclr;
- /* RFC4203 */
- struct te_link_subtlv_llri llri;
- /* RFC5392 */
- struct te_link_subtlv_ras ras;
- struct te_link_subtlv_rip rip;
- /* RFC6827 */
- struct te_link_subtlv_lrrid lrrid;
- /* RFC7471 */
- struct te_link_subtlv_av_delay av_delay;
- struct te_link_subtlv_mm_delay mm_delay;
- struct te_link_subtlv_delay_var delay_var;
- struct te_link_subtlv_pkt_loss pkt_loss;
- struct te_link_subtlv_res_bw res_bw;
- struct te_link_subtlv_ava_bw ava_bw;
- struct te_link_subtlv_use_bw use_bw;
-
- struct in_addr adv_router;
- struct in_addr id;
+struct mpls_te_link {
+ /*
+ * According to MPLS-TE (draft) specification, 24-bit Opaque-ID field
+ * is subdivided into 8-bit "unused" field and 16-bit "instance" field.
+ * In this implementation, each Link-TLV has its own instance.
+ */
+ uint32_t instance;
+
+ /* Reference pointer to a Zebra-interface. */
+ struct interface *ifp;
+
+ /* Area info in which this MPLS-TE link belongs to. */
+ struct ospf_area *area;
+
+ /* Flags to manage this link parameters. */
+ uint32_t flags;
+
+ /* Type of MPLS-TE link: RFC3630, RFC5392, RFC5392 emulated, RFC6827 */
+ uint8_t type;
+
+ /* Store Link-TLV in network byte order. */
+ /* RFC3630 & RFC6827 / RFC 6827 */
+ struct te_tlv_link link_header;
+ struct te_link_subtlv_link_type link_type;
+ struct te_link_subtlv_link_id link_id;
+ struct te_link_subtlv_lclif_ipaddr lclif_ipaddr;
+ struct te_link_subtlv_rmtif_ipaddr rmtif_ipaddr;
+ struct te_link_subtlv_te_metric te_metric;
+ struct te_link_subtlv_max_bw max_bw;
+ struct te_link_subtlv_max_rsv_bw max_rsv_bw;
+ struct te_link_subtlv_unrsv_bw unrsv_bw;
+ struct te_link_subtlv_rsc_clsclr rsc_clsclr;
+ /* RFC4203 */
+ struct te_link_subtlv_llri llri;
+ /* RFC5392 */
+ struct te_link_subtlv_ras ras;
+ struct te_link_subtlv_rip rip;
+ /* RFC6827 */
+ struct te_link_subtlv_lrrid lrrid;
+ /* RFC7471 */
+ struct te_link_subtlv_av_delay av_delay;
+ struct te_link_subtlv_mm_delay mm_delay;
+ struct te_link_subtlv_delay_var delay_var;
+ struct te_link_subtlv_pkt_loss pkt_loss;
+ struct te_link_subtlv_res_bw res_bw;
+ struct te_link_subtlv_ava_bw ava_bw;
+ struct te_link_subtlv_use_bw use_bw;
+
+ struct in_addr adv_router;
+ struct in_addr id;
};
/* Prototypes. */
-extern int ospf_mpls_te_init (void);
-extern void ospf_mpls_te_term (void);
-extern struct ospf_mpls_te *get_ospf_mpls_te (void);
-extern void ospf_mpls_te_update_if (struct interface *);
-extern void ospf_mpls_te_lsa_schedule (struct mpls_te_link *, opcode_t);
-extern u_int32_t get_mpls_te_instance_value (void);
-extern void set_linkparams_llri (struct mpls_te_link *, u_int32_t, u_int32_t);
-extern void set_linkparams_lrrid (struct mpls_te_link *, struct in_addr, struct in_addr);
+extern int ospf_mpls_te_init(void);
+extern void ospf_mpls_te_term(void);
+extern void ospf_mpls_te_finish(void);
+extern struct ospf_mpls_te *get_ospf_mpls_te(void);
+extern void ospf_mpls_te_update_if(struct interface *);
+extern void ospf_mpls_te_lsa_schedule(struct mpls_te_link *, enum lsa_opcode);
+extern void set_linkparams_llri(struct mpls_te_link *, uint32_t, uint32_t);
+extern void set_linkparams_lrrid(struct mpls_te_link *, struct in_addr,
+ struct in_addr);
#endif /* _ZEBRA_OSPF_MPLS_TE_H */
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