X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Ffib%2Ffib_entry.h;h=b97c80fd8bf1bd1de3b9d50900e3f91d5501603d;hb=970187bd969631da3e81d9bb1691ab88a997f79e;hp=5d0fb24bcb2c14054d8b58817fe63872f415c316;hpb=097fa66b986f06281f603767d321ab13ab6c88c3;p=vpp.git diff --git a/src/vnet/fib/fib_entry.h b/src/vnet/fib/fib_entry.h index 5d0fb24bcb2..b97c80fd8bf 100644 --- a/src/vnet/fib/fib_entry.h +++ b/src/vnet/fib/fib_entry.h @@ -17,177 +17,14 @@ #define __FIB_ENTRY_H__ #include -#include +#include #include #include #include /** * The different sources that can create a route. - * The sources are defined here the thier relative priority order. - * The lower the value the higher the priority - */ -typedef enum fib_source_t_ { - /** - * Marker. Add new values after this one. - */ - FIB_SOURCE_FIRST, - /** - * Special sources. These are for entries that are added to all - * FIBs by default, and should never be over-ridden (hence they - * are the highest priority) - */ - FIB_SOURCE_SPECIAL = FIB_SOURCE_FIRST, - /** - * Classify. A route that links directly to a classify adj - */ - FIB_SOURCE_CLASSIFY, - /** - * A route the is being 'proxied' on behalf of another device - */ - FIB_SOURCE_PROXY, - /** - * Route added as a result of interface configuration. - * this will also come from the API/CLI, but the distinction is - * that is from confiiguration on an interface, not a 'ip route' command - */ - FIB_SOURCE_INTERFACE, - /** - * SRv6 and SR-MPLS - */ - FIB_SOURCE_SR, - /** - * A high priority source a plugin can use - */ - FIB_SOURCE_PLUGIN_HI, - /** - * From the BIER subsystem - */ - FIB_SOURCE_BIER, - /** - * From 6RD. - */ - FIB_SOURCE_6RD, - /** - * From the control plane API - */ - FIB_SOURCE_API, - /** - * From the CLI. - */ - FIB_SOURCE_CLI, - /** - * A low (below routing) priority source a plugin can use - */ - FIB_SOURCE_PLUGIN_LOW, - /** - * LISP - */ - FIB_SOURCE_LISP, - /** - * IPv[46] Mapping - */ - FIB_SOURCE_MAP, - /** - * DHCP - */ - FIB_SOURCE_DHCP, - /** - * IPv6 Proxy ND - */ - FIB_SOURCE_IP6_ND_PROXY, - /** - * IPv6 ND (seen in the link-local tables) - */ - FIB_SOURCE_IP6_ND, - /** - * Adjacency source. - * routes created as a result of ARP/ND entries. This is lower priority - * then the API/CLI. This is on purpose. trust me. - */ - FIB_SOURCE_ADJ, - /** - * MPLS label. The prefix has been assigned a local label. This source - * never provides forwarding information, instead it acts as a place-holder - * so the association of label to prefix can be maintained - */ - FIB_SOURCE_MPLS, - /** - * Attached Export source. - * routes created as a result of attahced export. routes thus sourced - * will be present in the export tables - */ - FIB_SOURCE_AE, - /** - * Recursive resolution source. - * Used to install an entry that is the resolution traget of another. - */ - FIB_SOURCE_RR, - /** - * uRPF bypass/exemption. - * Used to install an entry that is exempt from the loose uRPF check - */ - FIB_SOURCE_URPF_EXEMPT, - /** - * The default route source. - * The default route is always added to the FIB table (like the - * special sources) but we need to be able to over-ride it with - * 'ip route' sources when provided - */ - FIB_SOURCE_DEFAULT_ROUTE, - /** - * The interpose source. - * This is not a real source, so don't use it to source a prefix. - * It exists here to provide a value against which to register to the - * VFT for providing the interpose actions to a real source. - */ - FIB_SOURCE_INTERPOSE, - /** - * Marker. add new entries before this one. - */ - FIB_SOURCE_LAST = FIB_SOURCE_INTERPOSE, -} __attribute__ ((packed)) fib_source_t; - -STATIC_ASSERT (sizeof(fib_source_t) == 1, - "FIB too many sources"); - -/** - * The maximum number of sources - */ -#define FIB_SOURCE_MAX (FIB_SOURCE_LAST+1) - -#define FIB_SOURCES { \ - [FIB_SOURCE_SPECIAL] = "special", \ - [FIB_SOURCE_INTERFACE] = "interface", \ - [FIB_SOURCE_PROXY] = "proxy", \ - [FIB_SOURCE_BIER] = "BIER", \ - [FIB_SOURCE_6RD] = "6RD", \ - [FIB_SOURCE_API] = "API", \ - [FIB_SOURCE_CLI] = "CLI", \ - [FIB_SOURCE_ADJ] = "adjacency", \ - [FIB_SOURCE_MAP] = "MAP", \ - [FIB_SOURCE_SR] = "SR", \ - [FIB_SOURCE_LISP] = "LISP", \ - [FIB_SOURCE_CLASSIFY] = "classify", \ - [FIB_SOURCE_DHCP] = "DHCP", \ - [FIB_SOURCE_IP6_ND_PROXY] = "IPv6-proxy-nd", \ - [FIB_SOURCE_IP6_ND] = "IPv6-nd", \ - [FIB_SOURCE_RR] = "recursive-resolution", \ - [FIB_SOURCE_AE] = "attached_export", \ - [FIB_SOURCE_MPLS] = "mpls", \ - [FIB_SOURCE_URPF_EXEMPT] = "urpf-exempt", \ - [FIB_SOURCE_DEFAULT_ROUTE] = "default-route", \ - [FIB_SOURCE_PLUGIN_HI] = "plugin-hi", \ - [FIB_SOURCE_PLUGIN_LOW] = "plugin-low", \ - [FIB_SOURCE_INTERPOSE] = "interpose", \ -} - -#define FOR_EACH_FIB_SOURCE(_item) \ - for (_item = FIB_SOURCE_FIRST; _item < FIB_SOURCE_MAX; _item++) - -/** - * The different sources that can create a route. - * The sources are defined here the thier relative priority order. + * The sources are defined here with their relative priority order. * The lower the value the higher the priority */ typedef enum fib_entry_attribute_t_ { @@ -308,6 +145,10 @@ typedef enum fib_entry_src_attribute_t_ { * the source is active/best */ FIB_ENTRY_SRC_ATTRIBUTE_ACTIVE, + /** + * the source is stale + */ + FIB_ENTRY_SRC_ATTRIBUTE_STALE, /** * the source is inherited from its cover */ @@ -323,6 +164,7 @@ typedef enum fib_entry_src_attribute_t_ { [FIB_ENTRY_SRC_ATTRIBUTE_ADDED] = "added", \ [FIB_ENTRY_SRC_ATTRIBUTE_CONTRIBUTING] = "contributing", \ [FIB_ENTRY_SRC_ATTRIBUTE_ACTIVE] = "active", \ + [FIB_ENTRY_SRC_ATTRIBUTE_STALE] = "stale", \ [FIB_ENTRY_SRC_ATTRIBUTE_INHERITED] = "inherited", \ } @@ -336,6 +178,7 @@ typedef enum fib_entry_src_flag_t_ { FIB_ENTRY_SRC_FLAG_ADDED = (1 << FIB_ENTRY_SRC_ATTRIBUTE_ADDED), FIB_ENTRY_SRC_FLAG_CONTRIBUTING = (1 << FIB_ENTRY_SRC_ATTRIBUTE_CONTRIBUTING), FIB_ENTRY_SRC_FLAG_ACTIVE = (1 << FIB_ENTRY_SRC_ATTRIBUTE_ACTIVE), + FIB_ENTRY_SRC_FLAG_STALE = (1 << FIB_ENTRY_SRC_ATTRIBUTE_STALE), FIB_ENTRY_SRC_FLAG_INHERITED = (1 << FIB_ENTRY_SRC_ATTRIBUTE_INHERITED), } __attribute__ ((packed)) fib_entry_src_flag_t; @@ -505,9 +348,9 @@ typedef struct fib_entry_t_ { u32 fe_sibling; /** - * A vector of delegates. + * A vector of delegate indices. */ - fib_entry_delegate_t *fe_delegates; + index_t *fe_delegates; } fib_entry_t; #define FOR_EACH_FIB_ENTRY_FLAG(_item) \ @@ -621,6 +464,8 @@ extern int fib_entry_is_sourced(fib_node_index_t fib_entry_index, extern fib_node_index_t fib_entry_get_path_list(fib_node_index_t fib_entry_index); extern int fib_entry_is_resolved(fib_node_index_t fib_entry_index); extern int fib_entry_is_host(fib_node_index_t fib_entry_index); +extern int fib_entry_is_marked(fib_node_index_t fib_entry_index, fib_source_t source); +extern void fib_entry_mark(fib_node_index_t fib_entry_index, fib_source_t source); extern void fib_entry_set_flow_hash_config(fib_node_index_t fib_entry_index, flow_hash_config_t hash_config);