X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Ffib%2Ffib_types.h;h=b5a58e7b67420c5b765792590c64b28f51c57c9c;hb=e2fe09742;hp=5742c69b7c7af45168b2ff251dbe328aa6d16dd3;hpb=79ae2d306269524b9de662dbbf532a04e11b7634;p=vpp.git diff --git a/src/vnet/fib/fib_types.h b/src/vnet/fib/fib_types.h index 5742c69b7c7..b5a58e7b674 100644 --- a/src/vnet/fib/fib_types.h +++ b/src/vnet/fib/fib_types.h @@ -16,8 +16,8 @@ #ifndef __FIB_TYPES_H__ #define __FIB_TYPES_H__ -#include -#include +#include +#include #include #include #include @@ -71,6 +71,26 @@ typedef enum fib_protocol_t_ { _item <= FIB_PROTOCOL_IP6; \ _item++) +/** + * @brief Convert from boolean is_ip6 to FIB protocol. + * Drop MPLS on the floor in favor of IPv4. + */ +static inline fib_protocol_t +fib_ip_proto(bool is_ip6) +{ + return (is_ip6) ? FIB_PROTOCOL_IP6 : FIB_PROTOCOL_IP4; +} + +/** + * @brief Convert from fib_protocol to ip46_type + */ +extern ip46_type_t fib_proto_to_ip46(fib_protocol_t fproto); + +/** + * @brief Convert from ip46_type to fib_protocol + */ +extern fib_protocol_t fib_proto_from_ip46(ip46_type_t iproto); + /** * @brief Convert from a protocol to a link type */ @@ -152,22 +172,32 @@ typedef enum fib_forward_chain_type_t_ { _item++) /** - * @brief Convert from a chain type to the adjacencies link type + * @brief Convert from a chain type to the adjacency's link type */ extern vnet_link_t fib_forw_chain_type_to_link_type(fib_forward_chain_type_t fct); +/** + * @brief Convert from a adjacency's link type to chain type + */ +extern fib_forward_chain_type_t fib_forw_chain_type_from_link_type(vnet_link_t lt); + /** * @brief Convert from a payload-protocol to a chain type. */ extern fib_forward_chain_type_t fib_forw_chain_type_from_dpo_proto(dpo_proto_t proto); +/** + * @brief Convert from a fib-protocol to a chain type. + */ +extern fib_forward_chain_type_t fib_forw_chain_type_from_fib_proto(fib_protocol_t proto); + /** * @brief Convert from a chain type to the DPO proto it will install */ extern dpo_proto_t fib_forw_chain_type_to_dpo_proto(fib_forward_chain_type_t fct); /** - * Aggregrate type for a prefix + * Aggregate type for a prefix */ typedef struct fib_prefix_t_ { /** @@ -216,6 +246,12 @@ STATIC_ASSERT(STRUCT_OFFSET_OF(fib_prefix_t, fp_addr) == 4, extern int fib_prefix_cmp(const fib_prefix_t *p1, const fib_prefix_t *p2); +/** + * \brief Copy a prefix + */ +extern void fib_prefix_copy(fib_prefix_t *dst, + const fib_prefix_t *src); + /** * \brief Compare two prefixes for covering relationship * @@ -228,7 +264,14 @@ extern int fib_prefix_is_cover(const fib_prefix_t *p1, * \brief Return true is the prefix is a host prefix */ extern int fib_prefix_is_host(const fib_prefix_t *p); +extern u8 fib_prefix_get_host_length (fib_protocol_t proto); +/** + * normalise a prefix (i.e. mask the host bits according to the + * prefix length) + */ +extern void fib_prefix_normalize(const fib_prefix_t *p, + fib_prefix_t *out); /** * \brief Host prefix from ip @@ -344,8 +387,30 @@ typedef enum fib_route_path_flags_t_ * A path that resolves via another table */ FIB_ROUTE_PATH_DEAG = (1 << 13), + /** + * A path that resolves via a DVR DPO + */ + FIB_ROUTE_PATH_DVR = (1 << 14), + + FIB_ROUTE_PATH_ICMP_UNREACH = (1 << 15), + FIB_ROUTE_PATH_ICMP_PROHIBIT = (1 << 16), + FIB_ROUTE_PATH_CLASSIFY = (1 << 17), + + /** + * Pop a Psuedo Wire Control Word + */ + FIB_ROUTE_PATH_POP_PW_CW = (1 << 18), + /** + * A path that resolves via a glean adjacency + */ + FIB_ROUTE_PATH_GLEAN = (1 << 19), } fib_route_path_flags_t; +/** + * Format route path flags + */ +extern u8 * format_fib_route_path_flags(u8 *s, va_list *ap); + /** * An RPF-ID is numerical value that is used RPF validate. An entry * has-a RPF-ID, when a packet egress from (e.g. an LSP) it gains an @@ -357,6 +422,64 @@ typedef u32 fib_rpf_id_t; #define MFIB_RPF_ID_NONE (0) +/** + * MPLS LSP mode - only valid at the head and tail + */ +typedef enum fib_mpls_lsp_mode_t_ +{ + /** + * Pipe Mode - the default. + * TTL and DSCP markings are not carried between the layers + */ + FIB_MPLS_LSP_MODE_PIPE, + /** + * Uniform mode. + * TTL and DSCP are copied between the layers + */ + FIB_MPLS_LSP_MODE_UNIFORM, +} __attribute__((packed)) fib_mpls_lsp_mode_t; + +#define FIB_MPLS_LSP_MODES { \ + [FIB_MPLS_LSP_MODE_PIPE] = "pipe", \ + [FIB_MPLS_LSP_MODE_UNIFORM] = "uniform", \ +} + +/** + * Format an LSP mode type + */ +extern u8 * format_fib_mpls_lsp_mode(u8 *s, va_list *ap); + +/** + * Configuration for each label value in the output-stack + */ +typedef struct fib_mpls_label_t_ +{ + /** + * The label value + */ + mpls_label_t fml_value; + + /** + * The LSP mode + */ + fib_mpls_lsp_mode_t fml_mode; + + /** + * TTL. valid only at imposition. + */ + u8 fml_ttl; + + /** + * EXP bits; valid only at imposition. + */ + u8 fml_exp; +} fib_mpls_label_t; + +/** + * Format an MPLS label + */ +extern u8 * format_fib_mpls_label(u8 *s, va_list *ap); + /** * @brief * A representation of a path as described by a route producer. @@ -403,18 +526,29 @@ typedef struct fib_route_path_t_ { */ mpls_eos_bit_t frp_eos; }; - }; - union { /** - * The interface. - * Will be invalid for recursive paths. + * A path via a BIER imposition object. + * Present in an mfib path list */ - u32 frp_sw_if_index; + index_t frp_bier_imp; + /** - * The RPF-ID + * Glean prefix on a glean path */ - fib_rpf_id_t frp_rpf_id; + fib_prefix_t frp_connected; }; + + /** + * The interface. + * Will be invalid for recursive paths. + */ + u32 frp_sw_if_index; + + /** + * The RPF-ID + */ + fib_rpf_id_t frp_rpf_id; + union { /** * The FIB index to lookup the nexthop @@ -429,7 +563,15 @@ typedef struct fib_route_path_t_ { /** * The outgoing MPLS label Stack. NULL implies no label. */ - mpls_label_t *frp_label_stack; + fib_mpls_label_t *frp_label_stack; + /** + * Exclusive DPO + */ + dpo_id_t dpo; + /** + * MFIB interface flags + */ + u32 frp_mitf_flags; }; /** * A path that resolves via a BIER Table. @@ -438,20 +580,24 @@ typedef struct fib_route_path_t_ { bier_table_id_t frp_bier_tbl; /** - * A path via a BIER imposition object. - * Present in an mfib path list + * UDP encap ID */ - index_t frp_bier_imp; + u32 frp_udp_encap_id; /** - * UDP encap ID + * Classify table ID */ - u32 frp_udp_encap_id; + u32 frp_classify_table_id; /** * Resolving via a BIER Fmask */ index_t frp_bier_fmask; + + /** + * The DPO for use with exclusive paths + */ + dpo_id_t frp_dpo; }; /** * [un]equal cost path weight @@ -475,18 +621,14 @@ typedef struct fib_route_path_t_ { extern uword unformat_fib_route_path(unformat_input_t * input, va_list * args); /** - * A help string to list the FIB path options + * Format route path flags */ -#define FIB_ROUTE_PATH_HELP "[next-hop-address] [next-hop-interface] [next-hop-table ] [weight ] [preference ] [udp-encap-id ] [ip4-lookup-in-table ] [ip6-lookup-in-table ] [mpls-lookup-in-table ] [resolve-via-host] [resolve-via-connected] [rx-ip4 ] [out-labels ]" +extern u8 * format_fib_route_path(u8 *s, va_list *ap); /** - * @brief - * A representation of a fib path for fib_path_encode to convey the information to the caller + * A help string to list the FIB path options */ -typedef struct fib_route_path_encode_t_ { - fib_route_path_t rpath; - dpo_id_t dpo; -} fib_route_path_encode_t; +#define FIB_ROUTE_PATH_HELP "[next-hop-address] [next-hop-interface] [next-hop-table ] [weight ] [preference ] [udp-encap-id ] [ip4-lookup-in-table ] [ip6-lookup-in-table ] [mpls-lookup-in-table ] [resolve-via-host] [resolve-via-connected] [rx-ip4 ] [out-labels ]" /** * return code to control pat-hlist walk