diff options
Diffstat (limited to 'src/plugins/nat/nat44')
-rw-r--r-- | src/plugins/nat/nat44/inlines.h | 170 |
1 files changed, 0 insertions, 170 deletions
diff --git a/src/plugins/nat/nat44/inlines.h b/src/plugins/nat/nat44/inlines.h index 631c4cd4104..541770ad102 100644 --- a/src/plugins/nat/nat44/inlines.h +++ b/src/plugins/nat/nat44/inlines.h @@ -31,19 +31,6 @@ nat44_maximum_sessions_exceeded (snat_main_t * sm, u32 thread_index) return 0; } -static_always_inline f64 -nat44_minimal_timeout (snat_main_t * sm) -{ - f64 min_timeout; - - min_timeout = clib_min (sm->udp_timeout, sm->icmp_timeout); - min_timeout = clib_min (min_timeout, sm->icmp_timeout); - min_timeout = clib_min (min_timeout, sm->tcp_transitory_timeout); - min_timeout = clib_min (min_timeout, sm->tcp_established_timeout); - - return min_timeout; -} - static_always_inline snat_session_t * nat44_session_reuse_old (snat_main_t * sm, snat_user_t * u, snat_session_t * s, u32 thread_index, f64 now) @@ -66,7 +53,6 @@ nat44_session_reuse_old (snat_main_t * sm, snat_user_t * u, return s; } - static_always_inline snat_session_t * nat44_session_alloc_new (snat_main_per_thread_data_t * tsm, snat_user_t * u, f64 now) @@ -122,7 +108,6 @@ nat44_user_del_sessions (snat_user_t * u, u32 thread_index) elt = pool_elt_at_index (tsm->list_pool, elt->next); nat44_free_session_data (sm, s, thread_index, 0); - // TODO: needs refactoring as in nat44_user_session_cleanup nat44_delete_session (sm, s, thread_index); } } @@ -172,161 +157,6 @@ nat44_user_del (ip4_address_t * addr, u32 fib_index) return rv; } -static_always_inline u32 -nat44_user_session_cleanup (snat_user_t * u, u32 thread_index, f64 now) -{ - u32 cleared = 0; - dlist_elt_t *elt; - snat_session_t *s; - u64 sess_timeout_time; - - snat_main_t *sm = &snat_main; - snat_main_per_thread_data_t *tsm = &sm->per_thread_data[thread_index]; - - if (now < u->min_session_timeout) - goto done; - u->min_session_timeout = now + sm->min_timeout; - - // get head - elt = pool_elt_at_index (tsm->list_pool, - u->sessions_per_user_list_head_index); - // get first element - elt = pool_elt_at_index (tsm->list_pool, elt->next); - - while (elt->value != ~0) - { - s = pool_elt_at_index (tsm->sessions, elt->value); - elt = pool_elt_at_index (tsm->list_pool, elt->next); - - sess_timeout_time = s->last_heard + - (f64) nat44_session_get_timeout (sm, s); - - if (s->tcp_close_timestamp) - { - sess_timeout_time = - clib_min (sess_timeout_time, s->tcp_close_timestamp); - } - - if (now < sess_timeout_time) - continue; - - // do cleanup of this call (refactor for ED NAT44 only) - nat44_free_session_data (sm, s, thread_index, 0); - - clib_dlist_remove (tsm->list_pool, s->per_user_index); - pool_put_index (tsm->list_pool, s->per_user_index); - clib_dlist_remove (tsm->global_lru_pool, s->global_lru_index); - pool_put_index (tsm->global_lru_pool, s->global_lru_index); - pool_put (tsm->sessions, s); - vlib_set_simple_counter (&sm->total_sessions, thread_index, 0, - pool_elts (tsm->sessions)); - - if (snat_is_session_static (s)) - u->nstaticsessions--; - else - u->nsessions--; - - cleared++; - } -done: - return cleared; -} - -static_always_inline u32 -nat44_users_cleanup (u32 thread_index, f64 now) -{ - snat_main_t *sm = &snat_main; - snat_main_per_thread_data_t *tsm; - - u32 cleared = 0; - - snat_user_key_t u_key; - clib_bihash_kv_8_8_t kv; - - snat_user_t *u = 0; - u32 pool_index; - - tsm = vec_elt_at_index (sm->per_thread_data, thread_index); - - if (now < tsm->min_session_timeout) - goto done; - tsm->min_session_timeout = now + sm->min_timeout; - // consider - tsm->cleanup_timeout = tsm->min_session_timeout; - - pool_index = ~0; - do - { - pool_index = pool_next_index (tsm->users, pool_index); - if (pool_index == ~0) - break; - u = pool_elt_at_index (tsm->users, pool_index); - - cleared += nat44_user_session_cleanup (u, thread_index, now); - - if (u->nstaticsessions == 0 && u->nsessions == 0) - { - u_key.addr.as_u32 = u->addr.as_u32; - u_key.fib_index = u->fib_index; - kv.key = u_key.as_u64; - - // delete user - pool_put_index (tsm->list_pool, - u->sessions_per_user_list_head_index); - pool_put (tsm->users, u); - clib_bihash_add_del_8_8 (&tsm->user_hash, &kv, 0); - - // update total users counter - vlib_set_simple_counter (&sm->total_users, thread_index, 0, - pool_elts (tsm->users)); - } - } - while (1); - tsm->cleared += cleared; - tsm->cleanup_runs++; -done: - return cleared; -} - -static_always_inline u32 -nat44_out_of_ports_cleanup (u32 thread_index, f64 now) -{ - return nat44_users_cleanup (thread_index, now); -} - -static_always_inline u32 -nat44_max_translations_per_user_cleanup (snat_user_t * u, u32 thread_index, - f64 now) -{ - return nat44_user_session_cleanup (u, thread_index, now); -} - -static_always_inline u32 -nat44_force_users_cleanup (void) -{ - snat_main_t *sm = &snat_main; - snat_main_per_thread_data_t *tsm; - - f64 now = vlib_time_now (vlib_get_main ()); - u32 cleared = 0; - - if (sm->num_workers > 1) - { - /* *INDENT-OFF* */ - vec_foreach (tsm, sm->per_thread_data) - { - cleared += nat44_users_cleanup (tsm->thread_index, now); - } - /* *INDENT-ON* */ - } - else - { - tsm = vec_elt_at_index (sm->per_thread_data, sm->num_workers); - cleared += nat44_users_cleanup (tsm->thread_index, now); - } - return cleared; -} - #endif /* included_nat44_inlines_h__ */ /* |