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sys/net/route/route_helpers.c
| Context not available. | |||||
| * Calls @wa_f with @arg for each entry in the table specified by | * Calls @wa_f with @arg for each entry in the table specified by | ||||
| * @af and @fibnum. | * @af and @fibnum. | ||||
| * | * | ||||
| * @ss_t callback is called before and after the tree traversal | * Table is traversed under read lock. | ||||
| * while holding table lock. | |||||
| * | |||||
| * Table is traversed under read lock unless @wlock is set. | |||||
| */ | */ | ||||
| void | void | ||||
| rib_walk_ext(uint32_t fibnum, int family, bool wlock, rib_walktree_f_t *wa_f, | rib_walk(int af, u_int fibnum, rt_walktree_f_t *wa_f, void *arg) | ||||
| rib_walk_hook_f_t *hook_f, void *arg) | |||||
| { | { | ||||
| RIB_RLOCK_TRACKER; | RIB_RLOCK_TRACKER; | ||||
| struct rib_head *rnh; | struct rib_head *rnh; | ||||
| if ((rnh = rt_tables_get_rnh(fibnum, family)) == NULL) | if ((rnh = rt_tables_get_rnh(fibnum, af)) == NULL) | ||||
| return; | return; | ||||
| if (wlock) | RIB_RLOCK(rnh); | ||||
| RIB_WLOCK(rnh); | |||||
| else | |||||
| RIB_RLOCK(rnh); | |||||
| if (hook_f != NULL) | |||||
| hook_f(rnh, RIB_WALK_HOOK_PRE, arg); | |||||
| rnh->rnh_walktree(&rnh->head, (walktree_f_t *)wa_f, arg); | rnh->rnh_walktree(&rnh->head, (walktree_f_t *)wa_f, arg); | ||||
| if (hook_f != NULL) | RIB_RUNLOCK(rnh); | ||||
| hook_f(rnh, RIB_WALK_HOOK_POST, arg); | |||||
| if (wlock) | |||||
| RIB_WUNLOCK(rnh); | |||||
| else | |||||
| RIB_RUNLOCK(rnh); | |||||
| } | |||||
| /* | |||||
| * Calls @wa_f with @arg for each entry in the table specified by | |||||
| * @af and @fibnum. | |||||
| * | |||||
| * Table is traversed under read lock unless @wlock is set. | |||||
| */ | |||||
| void | |||||
| rib_walk(uint32_t fibnum, int family, bool wlock, rib_walktree_f_t *wa_f, | |||||
| void *arg) | |||||
| { | |||||
| rib_walk_ext(fibnum, family, wlock, wa_f, NULL, arg); | |||||
| } | |||||
| /* | |||||
| * Iterates over all existing fibs in system calling | |||||
| * @hook_f function before/after traversing each fib. | |||||
| * Calls @wa_f function for each element in current fib. | |||||
| * If af is not AF_UNSPEC, iterates over fibs in particular | |||||
| * address family. | |||||
| */ | |||||
| void | |||||
| rib_foreach_table_walk(int family, bool wlock, rib_walktree_f_t *wa_f, | |||||
| rib_walk_hook_f_t *hook_f, void *arg) | |||||
| { | |||||
| for (uint32_t fibnum = 0; fibnum < rt_numfibs; fibnum++) { | |||||
| /* Do we want some specific family? */ | |||||
| if (family != AF_UNSPEC) { | |||||
| rib_walk_ext(fibnum, family, wlock, wa_f, hook_f, arg); | |||||
| continue; | |||||
| } | |||||
| for (int i = 1; i <= AF_MAX; i++) | |||||
| rib_walk_ext(fibnum, i, wlock, wa_f, hook_f, arg); | |||||
| } | |||||
| } | |||||
| /* | |||||
| * Iterates over all existing fibs in system and deletes each element | |||||
| * for which @filter_f function returns non-zero value. | |||||
| * If @family is not AF_UNSPEC, iterates over fibs in particular | |||||
| * address family. | |||||
| */ | |||||
| void | |||||
| rib_foreach_table_walk_del(int family, rib_filter_f_t *filter_f, void *arg) | |||||
| { | |||||
| for (uint32_t fibnum = 0; fibnum < rt_numfibs; fibnum++) { | |||||
| /* Do we want some specific family? */ | |||||
| if (family != AF_UNSPEC) { | |||||
| rib_walk_del(fibnum, family, filter_f, arg, 0); | |||||
| continue; | |||||
| } | |||||
| for (int i = 1; i <= AF_MAX; i++) | |||||
| rib_walk_del(fibnum, i, filter_f, arg, 0); | |||||
| } | |||||
| } | } | ||||
| /* | /* | ||||
| * Wrapper for the control plane functions for performing af-agnostic | * Wrapper for the control plane functions for performing af-agnostic | ||||
| * lookups. | * lookups. | ||||
| Context not available. | |||||