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Diffstat (limited to 'lib/routemap.h')
| -rw-r--r-- | lib/routemap.h | 1022 |
1 files changed, 1022 insertions, 0 deletions
diff --git a/lib/routemap.h b/lib/routemap.h new file mode 100644 index 0000000..a365925 --- /dev/null +++ b/lib/routemap.h @@ -0,0 +1,1022 @@ +/* Route map function. + * Copyright (C) 1998 Kunihiro Ishiguro + * + * This file is part of GNU Zebra. + * + * GNU Zebra is free software; you can redistribute it and/or modify it + * 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 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 + */ + +#ifndef _ZEBRA_ROUTEMAP_H +#define _ZEBRA_ROUTEMAP_H + +#include "typesafe.h" +#include "prefix.h" +#include "memory.h" +#include "qobj.h" +#include "vty.h" +#include "lib/plist.h" +#include "lib/plist_int.h" + +#ifdef __cplusplus +extern "C" { +#endif + +DECLARE_MTYPE(ROUTE_MAP_NAME); +DECLARE_MTYPE(ROUTE_MAP_RULE); +DECLARE_MTYPE(ROUTE_MAP_COMPILED); + +/* Route map's type. */ +enum route_map_type { RMAP_PERMIT, RMAP_DENY, RMAP_ANY }; + +typedef enum { + RMAP_DENYMATCH, + RMAP_PERMITMATCH +} route_map_result_t; + +/* + * Route-map match or set result "Eg: match evpn vni xx" + * route-map match cmd always returns match/nomatch/noop + * match--> found a match + * nomatch--> didnt find a match + * noop--> not applicable + * route-map set retuns okay/error + * okay --> set was successful + * error --> set was not successful + */ +enum route_map_cmd_result_t { + /* + * route-map match cmd results + */ + RMAP_MATCH, + RMAP_NOMATCH, + RMAP_NOOP, + /* + * route-map set cmd results + */ + RMAP_OKAY, + RMAP_ERROR +}; + +typedef enum { RMAP_EXIT, RMAP_GOTO, RMAP_NEXT } route_map_end_t; + +typedef enum { + RMAP_EVENT_SET_ADDED, + RMAP_EVENT_SET_DELETED, + RMAP_EVENT_SET_REPLACED, + RMAP_EVENT_MATCH_ADDED, + RMAP_EVENT_MATCH_DELETED, + RMAP_EVENT_MATCH_REPLACED, + RMAP_EVENT_INDEX_ADDED, + RMAP_EVENT_INDEX_DELETED, + RMAP_EVENT_CALL_ADDED, /* call to another routemap added */ + RMAP_EVENT_CALL_DELETED, + RMAP_EVENT_PLIST_ADDED, + RMAP_EVENT_PLIST_DELETED, + RMAP_EVENT_CLIST_ADDED, + RMAP_EVENT_CLIST_DELETED, + RMAP_EVENT_ECLIST_ADDED, + RMAP_EVENT_ECLIST_DELETED, + RMAP_EVENT_LLIST_ADDED, + RMAP_EVENT_LLIST_DELETED, + RMAP_EVENT_ASLIST_ADDED, + RMAP_EVENT_ASLIST_DELETED, + RMAP_EVENT_FILTER_ADDED, + RMAP_EVENT_FILTER_DELETED, +} route_map_event_t; + +/* Depth limit in RMAP recursion using RMAP_CALL. */ +#define RMAP_RECURSION_LIMIT 10 + +/* Route map rule structure for matching and setting. */ +struct route_map_rule_cmd { + /* Route map rule name (e.g. as-path, metric) */ + const char *str; + + /* Function for value set or match. */ + enum route_map_cmd_result_t (*func_apply)(void *rule, + const struct prefix *prefix, + void *object); + + /* Compile argument and return result as void *. */ + void *(*func_compile)(const char *); + + /* Free allocated value by func_compile (). */ + void (*func_free)(void *); + + /** To get the rule key after Compilation **/ + void *(*func_get_rmap_rule_key)(void *val); +}; + +/* Route map apply error. */ +enum rmap_compile_rets { + RMAP_COMPILE_SUCCESS, + + /* Route map rule is missing. */ + RMAP_RULE_MISSING, + + /* Route map rule can't compile */ + RMAP_COMPILE_ERROR, + +}; + +/* Route map rule. This rule has both `match' rule and `set' rule. */ +struct route_map_rule { + /* Rule type. */ + const struct route_map_rule_cmd *cmd; + + /* For pretty printing. */ + char *rule_str; + + /* Pre-compiled match rule. */ + void *value; + + /* Linked list. */ + struct route_map_rule *next; + struct route_map_rule *prev; +}; + +/* Route map rule list. */ +struct route_map_rule_list { + struct route_map_rule *head; + struct route_map_rule *tail; +}; + +/* Forward struct declaration: the complete can be found later this file. */ +struct routemap_hook_context; + +/* Route map index structure. */ +struct route_map_index { + struct route_map *map; + char *description; + + /* Preference of this route map rule. */ + int pref; + + /* Route map type permit or deny. */ + enum route_map_type type; + + /* Do we follow old rules, or hop forward? */ + route_map_end_t exitpolicy; + + /* If we're using "GOTO", to where do we go? */ + int nextpref; + + /* If we're using "CALL", to which route-map do ew go? */ + char *nextrm; + + /* Matching rule list. */ + struct route_map_rule_list match_list; + struct route_map_rule_list set_list; + + /* Make linked list. */ + struct route_map_index *next; + struct route_map_index *prev; + + /* Keep track how many times we've try to apply */ + uint64_t applied; + uint64_t applied_clear; + + /* List of match/sets contexts. */ + TAILQ_HEAD(, routemap_hook_context) rhclist; + + QOBJ_FIELDS; +}; +DECLARE_QOBJ_TYPE(route_map_index); + +/* route map maximum length. Not strictly the maximum xpath length but cannot be + * greater + */ +#define RMAP_NAME_MAXLEN XPATH_MAXLEN + +/* Route map list structure. */ +struct route_map { + /* Name of route map. */ + char *name; + + /* Route map's rule. */ + struct route_map_index *head; + struct route_map_index *tail; + + /* Make linked list. */ + struct route_map *next; + struct route_map *prev; + + /* Maintain update info */ + bool to_be_processed; /* True if modification isn't acted on yet */ + bool deleted; /* If 1, then this node will be deleted */ + bool optimization_disabled; + + /* How many times have we applied this route-map */ + uint64_t applied; + uint64_t applied_clear; + + /* Counter to track active usage of this route-map */ + uint16_t use_count; + + /* Tables to maintain IPv4 and IPv6 prefixes from + * the prefix-list match clause. + */ + struct route_table *ipv4_prefix_table; + struct route_table *ipv6_prefix_table; + + QOBJ_FIELDS; +}; +DECLARE_QOBJ_TYPE(route_map); + +/* Route-map match conditions */ +#define IS_MATCH_INTERFACE(C) \ + (strmatch(C, "frr-route-map:interface")) +#define IS_MATCH_IPv4_ADDRESS_LIST(C) \ + (strmatch(C, "frr-route-map:ipv4-address-list")) +#define IS_MATCH_IPv6_ADDRESS_LIST(C) \ + (strmatch(C, "frr-route-map:ipv6-address-list")) +#define IS_MATCH_IPv4_NEXTHOP_LIST(C) \ + (strmatch(C, "frr-route-map:ipv4-next-hop-list")) +#define IS_MATCH_IPv6_NEXTHOP_LIST(C) \ + (strmatch(C, "frr-route-map:ipv6-next-hop-list")) +#define IS_MATCH_IPv4_PREFIX_LIST(C) \ + (strmatch(C, "frr-route-map:ipv4-prefix-list")) +#define IS_MATCH_IPv6_PREFIX_LIST(C) \ + (strmatch(C, "frr-route-map:ipv6-prefix-list")) +#define IS_MATCH_IPv4_NEXTHOP_PREFIX_LIST(C) \ + (strmatch(C, "frr-route-map:ipv4-next-hop-prefix-list")) +#define IS_MATCH_IPv6_NEXTHOP_PREFIX_LIST(C) \ + (strmatch(C, "frr-route-map:ipv6-next-hop-prefix-list")) +#define IS_MATCH_IPv4_NEXTHOP_TYPE(C) \ + (strmatch(C, "frr-route-map:ipv4-next-hop-type")) +#define IS_MATCH_IPv6_NEXTHOP_TYPE(C) \ + (strmatch(C, "frr-route-map:ipv6-next-hop-type")) +#define IS_MATCH_METRIC(C) \ + (strmatch(C, "frr-route-map:match-metric")) +#define IS_MATCH_TAG(C) (strmatch(C, "frr-route-map:match-tag")) +/* Zebra route-map match conditions */ +#define IS_MATCH_IPv4_PREFIX_LEN(C) \ + (strmatch(C, "frr-zebra-route-map:ipv4-prefix-length")) +#define IS_MATCH_IPv6_PREFIX_LEN(C) \ + (strmatch(C, "frr-zebra-route-map:ipv6-prefix-length")) +#define IS_MATCH_IPv4_NH_PREFIX_LEN(C) \ + (strmatch(C, "frr-zebra-route-map:ipv4-next-hop-prefix-length")) +#define IS_MATCH_SRC_PROTO(C) \ + (strmatch(C, "frr-zebra-route-map:source-protocol")) +#define IS_MATCH_SRC_INSTANCE(C) \ + (strmatch(C, "frr-zebra-route-map:source-instance")) +/* BGP route-map match conditions */ +#define IS_MATCH_LOCAL_PREF(C) \ + (strmatch(C, "frr-bgp-route-map:match-local-preference")) +#define IS_MATCH_ALIAS(C) (strmatch(C, "frr-bgp-route-map:match-alias")) +#define IS_MATCH_SCRIPT(C) (strmatch(C, "frr-bgp-route-map:match-script")) +#define IS_MATCH_ORIGIN(C) \ + (strmatch(C, "frr-bgp-route-map:match-origin")) +#define IS_MATCH_RPKI(C) (strmatch(C, "frr-bgp-route-map:rpki")) +#define IS_MATCH_RPKI_EXTCOMMUNITY(C) \ + (strmatch(C, "frr-bgp-route-map:rpki-extcommunity")) +#define IS_MATCH_PROBABILITY(C) \ + (strmatch(C, "frr-bgp-route-map:probability")) +#define IS_MATCH_SRC_VRF(C) \ + (strmatch(C, "frr-bgp-route-map:source-vrf")) +#define IS_MATCH_PEER(C) (strmatch(C, "frr-bgp-route-map:peer")) +#define IS_MATCH_AS_LIST(C) \ + (strmatch(C, "frr-bgp-route-map:as-path-list")) +#define IS_MATCH_MAC_LIST(C) \ + (strmatch(C, "frr-bgp-route-map:mac-address-list")) +#define IS_MATCH_EVPN_ROUTE_TYPE(C) \ + (strmatch(C, "frr-bgp-route-map:evpn-route-type")) +#define IS_MATCH_EVPN_DEFAULT_ROUTE(C) \ + (strmatch(C, "frr-bgp-route-map:evpn-default-route")) +#define IS_MATCH_EVPN_VNI(C) \ + (strmatch(C, "frr-bgp-route-map:evpn-vni")) +#define IS_MATCH_EVPN_DEFAULT_ROUTE(C) \ + (strmatch(C, "frr-bgp-route-map:evpn-default-route")) +#define IS_MATCH_EVPN_RD(C) \ + (strmatch(C, "frr-bgp-route-map:evpn-rd")) +#define IS_MATCH_ROUTE_SRC(C) \ + (strmatch(C, "frr-bgp-route-map:ip-route-source")) +#define IS_MATCH_ROUTE_SRC_PL(C) \ + (strmatch(C, "frr-bgp-route-map:ip-route-source-prefix-list")) +#define IS_MATCH_COMMUNITY(C) \ + (strmatch(C, "frr-bgp-route-map:match-community")) +#define IS_MATCH_LCOMMUNITY(C) \ + (strmatch(C, "frr-bgp-route-map:match-large-community")) +#define IS_MATCH_EXTCOMMUNITY(C) \ + (strmatch(C, "frr-bgp-route-map:match-extcommunity")) +#define IS_MATCH_IPV4_NH(C) \ + (strmatch(C, "frr-bgp-route-map:ipv4-nexthop")) +#define IS_MATCH_IPV6_NH(C) \ + (strmatch(C, "frr-bgp-route-map:ipv6-nexthop")) + +/* Route-map set actions */ +#define IS_SET_IPv4_NH(A) \ + (strmatch(A, "frr-route-map:ipv4-next-hop")) +#define IS_SET_IPv6_NH(A) \ + (strmatch(A, "frr-route-map:ipv6-next-hop")) +#define IS_SET_METRIC(A) \ + (strmatch(A, "frr-route-map:set-metric")) +#define IS_SET_TAG(A) (strmatch(A, "frr-route-map:set-tag")) +#define IS_SET_SR_TE_COLOR(A) \ + (strmatch(A, "frr-route-map:set-sr-te-color")) +/* Zebra route-map set actions */ +#define IS_SET_SRC(A) \ + (strmatch(A, "frr-zebra-route-map:src-address")) +/* OSPF route-map set actions */ +#define IS_SET_METRIC_TYPE(A) \ + (strmatch(A, "frr-ospf-route-map:metric-type")) +#define IS_SET_FORWARDING_ADDR(A) \ + (strmatch(A, "frr-ospf6-route-map:forwarding-address")) +/* BGP route-map_set actions */ +#define IS_SET_WEIGHT(A) \ + (strmatch(A, "frr-bgp-route-map:weight")) +#define IS_SET_TABLE(A) (strmatch(A, "frr-bgp-route-map:table")) +#define IS_SET_LOCAL_PREF(A) \ + (strmatch(A, "frr-bgp-route-map:set-local-preference")) +#define IS_SET_LABEL_INDEX(A) \ + (strmatch(A, "frr-bgp-route-map:label-index")) +#define IS_SET_DISTANCE(A) \ + (strmatch(A, "frr-bgp-route-map:distance")) +#define IS_SET_ORIGIN(A) \ + (strmatch(A, "frr-bgp-route-map:set-origin")) +#define IS_SET_ATOMIC_AGGREGATE(A) \ + (strmatch(A, "frr-bgp-route-map:atomic-aggregate")) +#define IS_SET_ORIGINATOR_ID(A) \ + (strmatch(A, "frr-bgp-route-map:originator-id")) +#define IS_SET_COMM_LIST_DEL(A) \ + (strmatch(A, "frr-bgp-route-map:comm-list-delete")) +#define IS_SET_LCOMM_LIST_DEL(A) \ + (strmatch(A, "frr-bgp-route-map:large-comm-list-delete")) +#define IS_SET_LCOMMUNITY(A) \ + (strmatch(A, "frr-bgp-route-map:set-large-community")) +#define IS_SET_COMMUNITY(A) \ + (strmatch(A, "frr-bgp-route-map:set-community")) +#define IS_SET_EXTCOMMUNITY_NONE(A) \ + (strmatch(A, "frr-bgp-route-map:set-extcommunity-none")) +#define IS_SET_EXTCOMMUNITY_RT(A) \ + (strmatch(A, "frr-bgp-route-map:set-extcommunity-rt")) +#define IS_SET_EXTCOMMUNITY_SOO(A) \ + (strmatch(A, "frr-bgp-route-map:set-extcommunity-soo")) +#define IS_SET_EXTCOMMUNITY_LB(A) \ + (strmatch(A, "frr-bgp-route-map:set-extcommunity-lb")) +#define IS_SET_AGGREGATOR(A) \ + (strmatch(A, "frr-bgp-route-map:aggregator")) +#define IS_SET_AS_PREPEND(A) \ + (strmatch(A, "frr-bgp-route-map:as-path-prepend")) +#define IS_SET_AS_EXCLUDE(A) \ + (strmatch(A, "frr-bgp-route-map:as-path-exclude")) +#define IS_SET_AS_REPLACE(A) (strmatch(A, "frr-bgp-route-map:as-path-replace")) +#define IS_SET_IPV6_NH_GLOBAL(A) \ + (strmatch(A, "frr-bgp-route-map:ipv6-nexthop-global")) +#define IS_SET_IPV6_VPN_NH(A) \ + (strmatch(A, "frr-bgp-route-map:ipv6-vpn-address")) +#define IS_SET_IPV6_PEER_ADDR(A) \ + (strmatch(A, "frr-bgp-route-map:ipv6-peer-address")) +#define IS_SET_IPV6_PREFER_GLOBAL(A) \ + (strmatch(A, "frr-bgp-route-map:ipv6-prefer-global")) +#define IS_SET_IPV4_VPN_NH(A) \ + (strmatch(A, "frr-bgp-route-map:ipv4-vpn-address")) +#define IS_SET_BGP_IPV4_NH(A) \ + (strmatch(A, "frr-bgp-route-map:set-ipv4-nexthop")) +#define IS_SET_BGP_EVPN_GATEWAY_IP_IPV4(A) \ + (strmatch(A, "frr-bgp-route-map:set-evpn-gateway-ip-ipv4")) +#define IS_SET_BGP_EVPN_GATEWAY_IP_IPV6(A) \ + (strmatch(A, "frr-bgp-route-map:set-evpn-gateway-ip-ipv6")) +#define IS_SET_BGP_L3VPN_NEXTHOP_ENCAPSULATION(A) \ + (strmatch(A, "frr-bgp-route-map:set-l3vpn-nexthop-encapsulation")) + +enum ecommunity_lb_type { + EXPLICIT_BANDWIDTH, + CUMULATIVE_BANDWIDTH, + COMPUTED_BANDWIDTH +}; + +/* Prototypes. */ +extern void route_map_init(void); + +/* + * This should only be called on shutdown + * Additionally this function sets the hooks to NULL + * before any processing is done. + */ +extern void route_map_finish(void); + +/* Add match statement to route map. */ +extern enum rmap_compile_rets route_map_add_match(struct route_map_index *index, + const char *match_name, + const char *match_arg, + route_map_event_t type); + +/* Delete specified route match rule. */ +extern enum rmap_compile_rets +route_map_delete_match(struct route_map_index *index, + const char *match_name, const char *match_arg, + route_map_event_t type); + +extern const char *route_map_get_match_arg(struct route_map_index *index, + const char *match_name); + +/* Add route-map set statement to the route map. */ +extern enum rmap_compile_rets route_map_add_set(struct route_map_index *index, + const char *set_name, + const char *set_arg); + +/* Delete route map set rule. */ +extern enum rmap_compile_rets +route_map_delete_set(struct route_map_index *index, + const char *set_name, const char *set_arg); + +/* struct route_map_rule_cmd is kept const in order to not have writable + * function pointers (which is a security benefit.) Hence, below struct is + * used as proxy for hashing these for by-name lookup. + */ + +PREDECL_HASH(rmap_cmd_name); + +struct route_map_rule_cmd_proxy { + struct rmap_cmd_name_item itm; + const struct route_map_rule_cmd *cmd; +}; + +/* ... and just automatically create a proxy struct for each call location + * to route_map_install_{match,set} to avoid unnecessarily added boilerplate + * for each route-map user + */ + +#define route_map_install_match(c) \ + do { \ + static struct route_map_rule_cmd_proxy proxy = {.cmd = c}; \ + _route_map_install_match(&proxy); \ + } while (0) + +#define route_map_install_set(c) \ + do { \ + static struct route_map_rule_cmd_proxy proxy = {.cmd = c}; \ + _route_map_install_set(&proxy); \ + } while (0) + +/* Install rule command to the match list. */ +extern void _route_map_install_match(struct route_map_rule_cmd_proxy *proxy); + +/* + * Install rule command to the set list. + * + * When installing a particular item, Allow a difference of handling + * of bad cli inputted(return NULL) -vs- this particular daemon cannot use + * this form of the command(return a pointer and handle it appropriately + * in the apply command). See 'set metric' command + * as it is handled in ripd/ripngd and ospfd. + */ +extern void _route_map_install_set(struct route_map_rule_cmd_proxy *proxy); + +/* Lookup route map by name. */ +extern struct route_map *route_map_lookup_by_name(const char *name); + +/* Simple helper to warn if route-map does not exist. */ +struct route_map *route_map_lookup_warn_noexist(struct vty *vty, const char *name); + +/* Apply route map to the object. */ +extern route_map_result_t route_map_apply_ext(struct route_map *map, + const struct prefix *prefix, + void *match_object, + void *set_object, int *pref); +#define route_map_apply(map, prefix, object) \ + route_map_apply_ext(map, prefix, object, object, NULL) + +extern void route_map_add_hook(void (*func)(const char *)); +extern void route_map_delete_hook(void (*func)(const char *)); + +/* + * This is the callback for when something has changed about a + * route-map. The interested parties can register to receive + * this data. + * + * name - Is the name of the changed route-map + */ +extern void route_map_event_hook(void (*func)(const char *name)); +extern int route_map_mark_updated(const char *name); +extern void route_map_walk_update_list(void (*update_fn)(char *name)); +extern void route_map_upd8_dependency(route_map_event_t type, const char *arg, + const char *rmap_name); +extern void route_map_notify_dependencies(const char *affected_name, + route_map_event_t event); +extern void +route_map_notify_pentry_dependencies(const char *affected_name, + struct prefix_list_entry *pentry, + route_map_event_t event); +extern int generic_match_add(struct route_map_index *index, + const char *command, const char *arg, + route_map_event_t type, + char *errmsg, size_t errmsg_len); +extern int generic_match_delete(struct route_map_index *index, + const char *command, const char *arg, + route_map_event_t type, + char *errmsg, size_t errmsg_len); + +extern int generic_set_add(struct route_map_index *index, + const char *command, const char *arg, + char *errmsg, size_t errmsg_len); +extern int generic_set_delete(struct route_map_index *index, + const char *command, const char *arg, + char *errmsg, size_t errmsg_len); + + +/* match interface */ +extern void route_map_match_interface_hook(int (*func)( + struct route_map_index *index, const char *command, + const char *arg, route_map_event_t type, + char *errmsg, size_t errmsg_len)); +/* no match interface */ +extern void route_map_no_match_interface_hook(int (*func)( + struct route_map_index *index, const char *command, + const char *arg, route_map_event_t type, + char *errmsg, size_t errmsg_len)); +/* match ip address */ +extern void route_map_match_ip_address_hook(int (*func)( + struct route_map_index *index, const char *command, + const char *arg, route_map_event_t type, + char *errmsg, size_t errmsg_len)); +/* no match ip address */ +extern void route_map_no_match_ip_address_hook(int (*func)( + struct route_map_index *index, const char *command, + const char *arg, route_map_event_t type, + char *errmsg, size_t errmsg_len)); +/* match ip address prefix list */ +extern void route_map_match_ip_address_prefix_list_hook(int (*func)( + struct route_map_index *index, const char *command, + const char *arg, route_map_event_t type, + char *errmsg, size_t errmsg_len)); +/* no match ip address prefix list */ +extern void route_map_no_match_ip_address_prefix_list_hook(int (*func)( + struct route_map_index *index, const char *command, + const char *arg, route_map_event_t type, + char *errmsg, size_t errmsg_len)); +/* match ip next hop */ +extern void route_map_match_ip_next_hop_hook(int (*func)( + struct route_map_index *index, const char *command, + const char *arg, route_map_event_t type, + char *errmsg, size_t errmsg_len)); +/* no match ip next hop */ +extern void route_map_no_match_ip_next_hop_hook(int (*func)( + struct route_map_index *index, const char *command, const char *arg, + route_map_event_t type, char *errmsg, size_t errmsg_len)); +/* match ipv6 next hop */ +extern void route_map_match_ipv6_next_hop_hook(int (*func)( + struct route_map_index *index, const char *command, const char *arg, + route_map_event_t type, char *errmsg, size_t errmsg_len)); +/* no match ipv6 next hop */ +extern void route_map_no_match_ipv6_next_hop_hook(int (*func)( + struct route_map_index *index, const char *command, const char *arg, + route_map_event_t type, char *errmsg, size_t errmsg_len)); +/* match ip next hop prefix list */ +extern void route_map_match_ip_next_hop_prefix_list_hook(int (*func)( + struct route_map_index *index, const char *command, + const char *arg, route_map_event_t type, + char *errmsg, size_t errmsg_len)); +/* no match ip next hop prefix list */ +extern void route_map_no_match_ip_next_hop_prefix_list_hook(int (*func)( + struct route_map_index *index, const char *command, + const char *arg, route_map_event_t type, + char *errmsg, size_t errmsg_len)); +/* match ip next hop type */ +extern void route_map_match_ip_next_hop_type_hook(int (*func)( + struct route_map_index *index, const char *command, + const char *arg, route_map_event_t type, + char *errmsg, size_t errmsg_len)); +/* no match ip next hop type */ +extern void route_map_no_match_ip_next_hop_type_hook(int (*func)( + struct route_map_index *index, const char *command, + const char *arg, route_map_event_t type, + char *errmsg, size_t errmsg_len)); +/* match ipv6 address */ +extern void route_map_match_ipv6_address_hook(int (*func)( + struct route_map_index *index, const char *command, + const char *arg, route_map_event_t type, + char *errmsg, size_t errmsg_len)); +/* no match ipv6 address */ +extern void route_map_no_match_ipv6_address_hook(int (*func)( + struct route_map_index *index, const char *command, + const char *arg, route_map_event_t type, + char *errmsg, size_t errmsg_len)); +/* match ipv6 address prefix list */ +extern void route_map_match_ipv6_address_prefix_list_hook(int (*func)( + struct route_map_index *index, const char *command, + const char *arg, route_map_event_t type, + char *errmsg, size_t errmsg_len)); +/* no match ipv6 address prefix list */ +extern void route_map_no_match_ipv6_address_prefix_list_hook(int (*func)( + struct route_map_index *index, const char *command, + const char *arg, route_map_event_t type, + char *errmsg, size_t errmsg_len)); +/* match ipv6 next-hop type */ +extern void route_map_match_ipv6_next_hop_type_hook(int (*func)( + struct route_map_index *index, const char *command, + const char *arg, route_map_event_t type, + char *errmsg, size_t errmsg_len)); +/* no match ipv6 next-hop type */ +extern void route_map_no_match_ipv6_next_hop_type_hook(int (*func)( + struct route_map_index *index, const char *command, + const char *arg, route_map_event_t type, + char *errmsg, size_t errmsg_len)); +/* match ipv6 next-hop prefix-list */ +extern void route_map_match_ipv6_next_hop_prefix_list_hook(int (*func)( + struct route_map_index *index, const char *command, const char *arg, + route_map_event_t type, char *errmsg, size_t errmsg_len)); +/* no match ipv6 next-hop prefix-list */ +extern void route_map_no_match_ipv6_next_hop_prefix_list_hook(int (*func)( + struct route_map_index *index, const char *command, const char *arg, + route_map_event_t type, char *errmsg, size_t errmsg_len)); +/* match metric */ +extern void route_map_match_metric_hook(int (*func)( + struct route_map_index *index, const char *command, + const char *arg, route_map_event_t type, + char *errmsg, size_t errmsg_len)); +/* no match metric */ +extern void route_map_no_match_metric_hook(int (*func)( + struct route_map_index *index, const char *command, + const char *arg, route_map_event_t type, + char *errmsg, size_t errmsg_len)); +/* match tag */ +extern void route_map_match_tag_hook(int (*func)( + struct route_map_index *index, const char *command, + const char *arg, route_map_event_t type, + char *errmsg, size_t errmsg_len)); +/* no match tag */ +extern void route_map_no_match_tag_hook(int (*func)( + struct route_map_index *index, const char *command, + const char *arg, route_map_event_t type, + char *errmsg, size_t errmsg_len)); +/* set sr-te color */ +extern void route_map_set_srte_color_hook( + int (*func)(struct route_map_index *index, + const char *command, const char *arg, + char *errmsg, size_t errmsg_len)); +/* no set sr-te color */ +extern void route_map_no_set_srte_color_hook( + int (*func)(struct route_map_index *index, + const char *command, const char *arg, + char *errmsg, size_t errmsg_len)); +/* set ip nexthop */ +extern void route_map_set_ip_nexthop_hook( + int (*func)(struct route_map_index *index, + const char *command, const char *arg, + char *errmsg, size_t errmsg_len)); +/* no set ip nexthop */ +extern void route_map_no_set_ip_nexthop_hook( + int (*func)(struct route_map_index *index, + const char *command, const char *arg, + char *errmsg, size_t errmsg_len)); +/* set ipv6 nexthop local */ +extern void route_map_set_ipv6_nexthop_local_hook( + int (*func)(struct route_map_index *index, + const char *command, const char *arg, + char *errmsg, size_t errmsg_len)); +/* no set ipv6 nexthop local */ +extern void route_map_no_set_ipv6_nexthop_local_hook( + int (*func)(struct route_map_index *index, + const char *command, const char *arg, + char *errmsg, size_t errmsg_len)); +/* set metric */ +extern void route_map_set_metric_hook(int (*func)(struct route_map_index *index, + const char *command, + const char *arg, + char *errmsg, + size_t errmsg_len)); +/* no set metric */ +extern void route_map_no_set_metric_hook( + int (*func)(struct route_map_index *index, + const char *command, const char *arg, + char *errmsg, size_t errmsg_len)); +/* set tag */ +extern void route_map_set_tag_hook(int (*func)(struct route_map_index *index, + const char *command, + const char *arg, + char *errmsg, + size_t errmsg_len)); +/* no set tag */ +extern void route_map_no_set_tag_hook(int (*func)(struct route_map_index *index, + const char *command, + const char *arg, + char *errmsg, + size_t errmsg_len)); + +extern void *route_map_rule_tag_compile(const char *arg); +extern void route_map_rule_tag_free(void *rule); + +/* Increment the route-map used counter */ +extern void route_map_counter_increment(struct route_map *map); + +/* Decrement the route-map used counter */ +extern void route_map_counter_decrement(struct route_map *map); + +/* Route map hooks data structure. */ +struct route_map_match_set_hooks { + /* match interface */ + int (*match_interface)(struct route_map_index *index, + const char *command, const char *arg, + route_map_event_t type, + char *errmsg, size_t errmsg_len); + + /* no match interface */ + int (*no_match_interface)(struct route_map_index *index, + const char *command, const char *arg, + route_map_event_t type, + char *errmsg, size_t errmsg_len); + + /* match ip address */ + int (*match_ip_address)(struct route_map_index *index, + const char *command, const char *arg, + route_map_event_t type, + char *errmsg, size_t errmsg_len); + + /* no match ip address */ + int (*no_match_ip_address)(struct route_map_index *index, + const char *command, const char *arg, + route_map_event_t type, + char *errmsg, size_t errmsg_len); + + /* match ip address prefix list */ + int (*match_ip_address_prefix_list)(struct route_map_index *index, + const char *command, + const char *arg, + route_map_event_t type, + char *errmsg, size_t errmsg_len); + + /* no match ip address prefix list */ + int (*no_match_ip_address_prefix_list)(struct route_map_index *index, + const char *command, + const char *arg, + route_map_event_t type, + char *errmsg, size_t errmsg_len); + + /* match ip next hop */ + int (*match_ip_next_hop)(struct route_map_index *index, + const char *command, const char *arg, + route_map_event_t type, + char *errmsg, size_t errmsg_len); + + /* no match ip next hop */ + int (*no_match_ip_next_hop)(struct route_map_index *index, + const char *command, const char *arg, + route_map_event_t type, + char *errmsg, size_t errmsg_len); + + /* match ipv6 next hop */ + int (*match_ipv6_next_hop)(struct route_map_index *index, + const char *command, const char *arg, + route_map_event_t type, char *errmsg, + size_t errmsg_len); + + /* no match ipv6 next hop */ + int (*no_match_ipv6_next_hop)(struct route_map_index *index, + const char *command, const char *arg, + route_map_event_t type, char *errmsg, + size_t errmsg_len); + + /* match ipv6 next hop prefix-list */ + int (*match_ipv6_next_hop_prefix_list)(struct route_map_index *index, + const char *command, + const char *arg, + route_map_event_t type, + char *errmsg, size_t errmsg_len); + + /* no match ipv6 next-hop prefix-list */ + int (*no_match_ipv6_next_hop_prefix_list)(struct route_map_index *index, + const char *command, + const char *arg, + route_map_event_t type, + char *errmsg, + size_t errmsg_len); + + /* match ip next hop prefix list */ + int (*match_ip_next_hop_prefix_list)(struct route_map_index *index, + const char *command, + const char *arg, + route_map_event_t type, + char *errmsg, size_t errmsg_len); + + /* no match ip next hop prefix list */ + int (*no_match_ip_next_hop_prefix_list)(struct route_map_index *index, + const char *command, + const char *arg, + route_map_event_t type, + char *errmsg, + size_t errmsg_len); + + /* match ip next-hop type */ + int (*match_ip_next_hop_type)(struct route_map_index *index, + const char *command, + const char *arg, + route_map_event_t type, + char *errmsg, + size_t errmsg_len); + + /* no match ip next-hop type */ + int (*no_match_ip_next_hop_type)(struct route_map_index *index, + const char *command, + const char *arg, + route_map_event_t type, + char *errmsg, + size_t errmsg_len); + + /* match ipv6 address */ + int (*match_ipv6_address)(struct route_map_index *index, + const char *command, const char *arg, + route_map_event_t type, + char *errmsg, size_t errmsg_len); + + /* no match ipv6 address */ + int (*no_match_ipv6_address)(struct route_map_index *index, + const char *command, const char *arg, + route_map_event_t type, + char *errmsg, size_t errmsg_len); + + + /* match ipv6 address prefix list */ + int (*match_ipv6_address_prefix_list)(struct route_map_index *index, + const char *command, + const char *arg, + route_map_event_t type, + char *errmsg, size_t errmsg_len); + + /* no match ipv6 address prefix list */ + int (*no_match_ipv6_address_prefix_list)(struct route_map_index *index, + const char *command, + const char *arg, + route_map_event_t type, + char *errmsg, + size_t errmsg_len); + + /* match ipv6 next-hop type */ + int (*match_ipv6_next_hop_type)(struct route_map_index *index, + const char *command, + const char *arg, + route_map_event_t type, + char *errmsg, size_t errmsg_len); + + /* no match ipv6 next-hop type */ + int (*no_match_ipv6_next_hop_type)(struct route_map_index *index, + const char *command, const char *arg, + route_map_event_t type, + char *errmsg, size_t errmsg_len); + + /* match metric */ + int (*match_metric)(struct route_map_index *index, + const char *command, const char *arg, + route_map_event_t type, + char *errmsg, size_t errmsg_len); + + /* no match metric */ + int (*no_match_metric)(struct route_map_index *index, + const char *command, const char *arg, + route_map_event_t type, + char *errmsg, size_t errmsg_len); + + /* match tag */ + int (*match_tag)(struct route_map_index *index, + const char *command, const char *arg, + route_map_event_t type, + char *errmsg, size_t errmsg_len); + + /* no match tag */ + int (*no_match_tag)(struct route_map_index *index, + const char *command, const char *arg, + route_map_event_t type, + char *errmsg, size_t errmsg_len); + + /* set sr-te color */ + int (*set_srte_color)(struct route_map_index *index, + const char *command, const char *arg, + char *errmsg, size_t errmsg_len); + + /* no set sr-te color */ + int (*no_set_srte_color)(struct route_map_index *index, + const char *command, const char *arg, + char *errmsg, size_t errmsg_len); + + /* set ip nexthop */ + int (*set_ip_nexthop)(struct route_map_index *index, + const char *command, const char *arg, + char *errmsg, size_t errmsg_len); + + /* no set ip nexthop */ + int (*no_set_ip_nexthop)(struct route_map_index *index, + const char *command, const char *arg, + char *errmsg, size_t errmsg_len); + + /* set ipv6 nexthop local */ + int (*set_ipv6_nexthop_local)(struct route_map_index *index, + const char *command, const char *arg, + char *errmsg, size_t errmsg_len); + + /* no set ipv6 nexthop local */ + int (*no_set_ipv6_nexthop_local)(struct route_map_index *index, + const char *command, const char *arg, + char *errmsg, size_t errmsg_len); + + /* set metric */ + int (*set_metric)(struct route_map_index *index, + const char *command, const char *arg, + char *errmsg, size_t errmsg_len); + + /* no set metric */ + int (*no_set_metric)(struct route_map_index *index, + const char *command, const char *arg, + char *errmsg, size_t errmsg_len); + + /* set tag */ + int (*set_tag)(struct route_map_index *index, + const char *command, const char *arg, + char *errmsg, size_t errmsg_len); + + /* no set tag */ + int (*no_set_tag)(struct route_map_index *index, + const char *command, const char *arg, + char *errmsg, size_t errmsg_len); +}; + +extern struct route_map_match_set_hooks rmap_match_set_hook; + +/* Making route map list. */ +struct route_map_list { + struct route_map *head; + struct route_map *tail; + + void (*add_hook)(const char *); + void (*delete_hook)(const char *); + void (*event_hook)(const char *); +}; + +extern struct route_map_list route_map_master; + +extern struct route_map *route_map_get(const char *name); +extern void route_map_delete(struct route_map *map); +extern struct route_map_index *route_map_index_get(struct route_map *map, + enum route_map_type type, + int pref); +extern void route_map_index_delete(struct route_map_index *index, int notify); + +/* routemap_northbound.c */ +typedef int (*routemap_match_hook_fun)(struct route_map_index *rmi, + const char *command, const char *arg, + route_map_event_t event, + char *errmsg, size_t errmsg_len); +typedef int (*routemap_set_hook_fun)(struct route_map_index *rmi, + const char *command, const char *arg, + char *errmsg, size_t errmsg_len); +struct routemap_hook_context { + struct route_map_index *rhc_rmi; + const char *rhc_rule; + route_map_event_t rhc_event; + routemap_set_hook_fun rhc_shook; + routemap_match_hook_fun rhc_mhook; + TAILQ_ENTRY(routemap_hook_context) rhc_entry; +}; + +int lib_route_map_entry_match_destroy(struct nb_cb_destroy_args *args); +int lib_route_map_entry_set_destroy(struct nb_cb_destroy_args *args); + +struct routemap_hook_context * +routemap_hook_context_insert(struct route_map_index *rmi); +void routemap_hook_context_free(struct routemap_hook_context *rhc); + +extern const struct frr_yang_module_info frr_route_map_info; + +/* routemap_cli.c */ +extern int route_map_instance_cmp(const struct lyd_node *dnode1, + const struct lyd_node *dnode2); +extern void route_map_instance_show(struct vty *vty, + const struct lyd_node *dnode, + bool show_defaults); +extern void route_map_instance_show_end(struct vty *vty, + const struct lyd_node *dnode); +extern void route_map_condition_show(struct vty *vty, + const struct lyd_node *dnode, + bool show_defaults); +extern void route_map_action_show(struct vty *vty, const struct lyd_node *dnode, + bool show_defaults); +extern void route_map_exit_policy_show(struct vty *vty, + const struct lyd_node *dnode, + bool show_defaults); +extern void route_map_call_show(struct vty *vty, const struct lyd_node *dnode, + bool show_defaults); +extern void route_map_description_show(struct vty *vty, + const struct lyd_node *dnode, + bool show_defaults); +extern void route_map_optimization_disabled_show(struct vty *vty, + const struct lyd_node *dnode, + bool show_defaults); +extern void route_map_cli_init(void); + +#ifdef __cplusplus +} +#endif + +#endif /* _ZEBRA_ROUTEMAP_H */ |