diff options
Diffstat (limited to 'ospfd/ospf_te.h')
| -rw-r--r-- | ospfd/ospf_te.h | 409 |
1 files changed, 195 insertions, 214 deletions
diff --git a/ospfd/ospf_te.h b/ospfd/ospf_te.h index 36f2d8241c..48e97acb1c 100644 --- a/ospfd/ospf_te.h +++ b/ospfd/ospf_te.h @@ -12,7 +12,7 @@ * 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 @@ -99,52 +99,45 @@ * 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 */ +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_HDR_SIZE (sizeof(struct te_tlv_header)) -#define TLV_BODY_SIZE(tlvh) \ - (ROUNDUP (ntohs ((tlvh)->length), sizeof (u_int32_t))) +#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_SIZE(tlvh) (TLV_HDR_SIZE + TLV_BODY_SIZE(tlvh)) -#define TLV_HDR_TOP(lsah) \ +#define TLV_HDR_TOP(lsah) \ (struct te_tlv_header *)((char *)(lsah) + OSPF_LSA_HEADER_SIZE) -#define TLV_HDR_NEXT(tlvh) \ +#define TLV_HDR_NEXT(tlvh) \ (struct te_tlv_header *)((char *)(tlvh) + TLV_SIZE(tlvh)) -#define TLV_HDR_SUBTLV(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 te_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 te_tlv_header header; + /* A set of link-sub-TLVs will follow. */ }; #define TE_LINK_SUBTLV_DEF_SIZE 4 @@ -152,105 +145,94 @@ struct te_tlv_link /* 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 te_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; + u_char value; + u_char 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 te_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 te_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 te_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 te_tlv_header header; /* Value length is 4 octets. */ + u_int32_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 te_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 te_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 te_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 te_tlv_header header; /* Value length is 4 octets. */ + u_int32_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 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 */ }; /* 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 te_tlv_header header; /* Value length is 8 octets. */ + u_int32_t local; /* Link Local Identifier */ + u_int32_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 */ @@ -258,18 +240,16 @@ struct te_link_subtlv_llri /* 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 te_tlv_header header; /* Value length is 4 octets. */ + u_int32_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 te_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 */ @@ -281,63 +261,64 @@ struct te_link_subtlv_rip /* 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 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 */ }; /* 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 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 */ }; /* 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 te_tlv_header header; /* Value length is 4 bytes. */ + u_int32_t value; /* interval in micro-seconds only 24 bits => 0 ... + 16777215 */ }; /* 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 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 */ }; /* 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 te_tlv_header header; /* Value length is 4 bytes. */ + float value; /* bandwidth in IEEE floating point format with units in + bytes per second */ }; /* 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 te_tlv_header header; /* Value length is 4 octets. */ + float value; /* bandwidth in IEEE floating point format with units in + bytes per second */ }; /* 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 te_tlv_header header; /* Value length is 4 octets. */ + float value; /* bandwidth in IEEE floating point format with units in + bytes per second */ }; #define TE_LINK_SUBTLV_MAX 34 /* Last SUBTLV + 1 */ @@ -346,121 +327,121 @@ struct te_link_subtlv_use_bw #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 _opcode_t { + REORIGINATE_THIS_LSA, + REFRESH_THIS_LSA, + FLUSH_THIS_LSA +} opcode_t; -typedef enum _status_t -{ disabled, enabled } status_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; +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; }; /* 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 */ + status_t status; - /* 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. + */ + 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; }; /* 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 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); #endif /* _ZEBRA_OSPF_MPLS_TE_H */ |