diff options
Diffstat (limited to 'src/plugins/nat/nat44-ei/nat44_ei_ha.c')
-rw-r--r-- | src/plugins/nat/nat44-ei/nat44_ei_ha.c | 165 |
1 files changed, 86 insertions, 79 deletions
diff --git a/src/plugins/nat/nat44-ei/nat44_ei_ha.c b/src/plugins/nat/nat44-ei/nat44_ei_ha.c index aea758af2d4..ca99efcf8ca 100644 --- a/src/plugins/nat/nat44-ei/nat44_ei_ha.c +++ b/src/plugins/nat/nat44-ei/nat44_ei_ha.c @@ -13,13 +13,17 @@ * limitations under the License. */ -#include <nat/nat_inlines.h> -#include <nat/nat44/ed_inlines.h> -#include <nat/nat44-ei/nat44_ei_ha.h> +//#include <vnet/fib/fib_source.h> +#include <vnet/fib/fib_table.h> #include <vnet/udp/udp_local.h> -#include <nat/nat.h> #include <vppinfra/atomics.h> +#include <nat/lib/log.h> + +#include <nat/nat44-ei/nat44_ei.h> +#include <nat/nat44-ei/nat44_ei_ha.h> +#include <nat/nat44-ei/nat44_ei_inlines.h> + /* number of retries */ #define NAT_HA_RETRIES 3 @@ -173,14 +177,14 @@ nat44_ei_ha_sadd (ip4_address_t *in_addr, u16 in_port, ip4_address_t *out_addr, ip4_address_t *ehn_addr, u16 ehn_port, u8 proto, u32 fib_index, u16 flags, u32 thread_index) { - snat_main_t *sm = &snat_main; - snat_main_per_thread_data_t *tsm = &sm->per_thread_data[thread_index]; - snat_user_t *u; - snat_session_t *s; + nat44_ei_main_t *nm = &nat44_ei_main; + nat44_ei_main_per_thread_data_t *tnm = &nm->per_thread_data[thread_index]; + nat44_ei_user_t *u; + nat44_ei_session_t *s; clib_bihash_kv_8_8_t kv; vlib_main_t *vm = vlib_get_main (); f64 now = vlib_time_now (vm); - nat_outside_fib_t *outside_fib; + nat44_ei_outside_fib_t *outside_fib; fib_node_index_t fei = FIB_NODE_INDEX_INVALID; fib_prefix_t pfx = { .fp_proto = FIB_PROTOCOL_IP4, @@ -190,26 +194,21 @@ nat44_ei_ha_sadd (ip4_address_t *in_addr, u16 in_port, ip4_address_t *out_addr, }, }; - if (!(flags & SNAT_SESSION_FLAG_STATIC_MAPPING)) + if (!(flags & NAT44_EI_SESSION_FLAG_STATIC_MAPPING)) { - if (nat_set_outside_address_and_port (sm->addresses, thread_index, - *out_addr, out_port, proto)) + if (nat44_ei_set_outside_address_and_port (nm->addresses, thread_index, + *out_addr, out_port, proto)) return; } - u = nat_user_get_or_create (sm, in_addr, fib_index, thread_index); + u = nat44_ei_user_get_or_create (nm, in_addr, fib_index, thread_index); if (!u) return; - s = nat_session_alloc_or_recycle (sm, u, thread_index, now); + s = nat44_ei_session_alloc_or_recycle (nm, u, thread_index, now); if (!s) return; - if (sm->endpoint_dependent) - { - nat_ed_lru_insert (tsm, s, now, nat_proto_to_ip_proto (proto)); - } - s->out2in.addr.as_u32 = out_addr->as_u32; s->out2in.port = out_port; s->nat_proto = proto; @@ -217,17 +216,17 @@ nat44_ei_ha_sadd (ip4_address_t *in_addr, u16 in_port, ip4_address_t *out_addr, s->flags = flags; s->ext_host_addr.as_u32 = eh_addr->as_u32; s->ext_host_port = eh_port; - user_session_increment (sm, u, snat_is_session_static (s)); - switch (vec_len (sm->outside_fibs)) + nat44_ei_user_session_increment (nm, u, nat44_ei_is_session_static (s)); + switch (vec_len (nm->outside_fibs)) { case 0: - s->out2in.fib_index = sm->outside_fib_index; + s->out2in.fib_index = nm->outside_fib_index; break; case 1: - s->out2in.fib_index = sm->outside_fibs[0].fib_index; + s->out2in.fib_index = nm->outside_fibs[0].fib_index; break; default: - vec_foreach (outside_fib, sm->outside_fibs) + vec_foreach (outside_fib, nm->outside_fibs) { fei = fib_table_lookup (outside_fib->fib_index, &pfx); if (FIB_NODE_INDEX_INVALID != fei) @@ -241,16 +240,16 @@ nat44_ei_ha_sadd (ip4_address_t *in_addr, u16 in_port, ip4_address_t *out_addr, } break; } - init_nat_o2i_kv (&kv, s, thread_index, s - tsm->sessions); - if (clib_bihash_add_del_8_8 (&sm->out2in, &kv, 1)) - nat_elog_warn ("out2in key add failed"); + init_nat_o2i_kv (&kv, s, thread_index, s - tnm->sessions); + if (clib_bihash_add_del_8_8 (&nm->out2in, &kv, 1)) + nat_elog_warn (nm, "out2in key add failed"); s->in2out.addr.as_u32 = in_addr->as_u32; s->in2out.port = in_port; s->in2out.fib_index = fib_index; - init_nat_i2o_kv (&kv, s, thread_index, s - tsm->sessions); - if (clib_bihash_add_del_8_8 (&sm->in2out, &kv, 1)) - nat_elog_warn ("in2out key add failed"); + init_nat_i2o_kv (&kv, s, thread_index, s - tnm->sessions); + if (clib_bihash_add_del_8_8 (&nm->in2out, &kv, 1)) + nat_elog_warn (nm, "in2out key add failed"); } static_always_inline void @@ -258,27 +257,27 @@ nat44_ei_ha_sdel (ip4_address_t *out_addr, u16 out_port, ip4_address_t *eh_addr, u16 eh_port, u8 proto, u32 fib_index, u32 ti) { - snat_main_t *sm = &snat_main; + nat44_ei_main_t *nm = &nat44_ei_main; clib_bihash_kv_8_8_t kv, value; u32 thread_index; - snat_session_t *s; - snat_main_per_thread_data_t *tsm; + nat44_ei_session_t *s; + nat44_ei_main_per_thread_data_t *tnm; - if (sm->num_workers > 1) - thread_index = sm->first_worker_index + - (sm->workers[(clib_net_to_host_u16 (out_port) - 1024) / - sm->port_per_thread]); + if (nm->num_workers > 1) + thread_index = nm->first_worker_index + + (nm->workers[(clib_net_to_host_u16 (out_port) - 1024) / + nm->port_per_thread]); else - thread_index = sm->num_workers; - tsm = vec_elt_at_index (sm->per_thread_data, thread_index); + thread_index = nm->num_workers; + tnm = vec_elt_at_index (nm->per_thread_data, thread_index); init_nat_k (&kv, *out_addr, out_port, fib_index, proto); - if (clib_bihash_search_8_8 (&sm->out2in, &kv, &value)) + if (clib_bihash_search_8_8 (&nm->out2in, &kv, &value)) return; - s = pool_elt_at_index (tsm->sessions, nat_value_get_session_index (&value)); - nat_free_session_data (sm, s, thread_index, 1); - nat44_delete_session (sm, s, thread_index); + s = pool_elt_at_index (tnm->sessions, nat_value_get_session_index (&value)); + nat44_ei_free_session_data_v2 (nm, s, thread_index, 1); + nat44_ei_delete_session (nm, s, thread_index); } static_always_inline void @@ -286,18 +285,18 @@ nat44_ei_ha_sref (ip4_address_t *out_addr, u16 out_port, ip4_address_t *eh_addr, u16 eh_port, u8 proto, u32 fib_index, u32 total_pkts, u64 total_bytes, u32 thread_index) { - snat_main_t *sm = &snat_main; + nat44_ei_main_t *nm = &nat44_ei_main; clib_bihash_kv_8_8_t kv, value; - snat_session_t *s; - snat_main_per_thread_data_t *tsm; + nat44_ei_session_t *s; + nat44_ei_main_per_thread_data_t *tnm; - tsm = vec_elt_at_index (sm->per_thread_data, thread_index); + tnm = vec_elt_at_index (nm->per_thread_data, thread_index); init_nat_k (&kv, *out_addr, out_port, fib_index, proto); - if (clib_bihash_search_8_8 (&sm->out2in, &kv, &value)) + if (clib_bihash_search_8_8 (&nm->out2in, &kv, &value)) return; - s = pool_elt_at_index (tsm->sessions, nat_value_get_session_index (&value)); + s = pool_elt_at_index (tnm->sessions, nat_value_get_session_index (&value)); s->total_pkts = total_pkts; s->total_bytes = total_bytes; } @@ -305,6 +304,7 @@ nat44_ei_ha_sref (ip4_address_t *out_addr, u16 out_port, static void nat_ha_resync_fin (void) { + nat44_ei_main_t *nm = &nat44_ei_main; nat_ha_main_t *ha = &nat_ha_main; /* if no more resync ACK remainig we are done */ @@ -314,11 +314,11 @@ nat_ha_resync_fin (void) ha->in_resync = 0; if (ha->resync_ack_missed) { - nat_elog_info ("resync completed with result FAILED"); + nat_elog_info (nm, "resync completed with result FAILED"); } else { - nat_elog_info ("resync completed with result SUCCESS"); + nat_elog_info (nm, "resync completed with result SUCCESS"); } if (ha->event_callback) ha->event_callback (ha->client_index, ha->pid, ha->resync_ack_missed); @@ -347,6 +347,7 @@ nat_ha_resend_queue_add (u32 seq, u8 * data, u8 data_len, u8 is_resync, static_always_inline void nat_ha_ack_recv (u32 seq, u32 thread_index) { + nat44_ei_main_t *nm = &nat44_ei_main; nat_ha_main_t *ha = &nat_ha_main; nat_ha_per_thread_data_t *td = &ha->per_thread_data[thread_index]; u32 i; @@ -366,7 +367,7 @@ nat_ha_ack_recv (u32 seq, u32 thread_index) } vec_free (td->resend_queue[i].data); vec_del1 (td->resend_queue, i); - nat_elog_debug_X1 ("ACK for seq %d received", "i4", + nat_elog_debug_X1 (nm, "ACK for seq %d received", "i4", clib_net_to_host_u32 (seq)); return; @@ -377,6 +378,7 @@ nat_ha_ack_recv (u32 seq, u32 thread_index) static void nat_ha_resend_scan (f64 now, u32 thread_index) { + nat44_ei_main_t *nm = &nat44_ei_main; nat_ha_main_t *ha = &nat_ha_main; nat_ha_per_thread_data_t *td = &ha->per_thread_data[thread_index]; u32 i, *del, *to_delete = 0; @@ -394,7 +396,7 @@ nat_ha_resend_scan (f64 now, u32 thread_index) /* maximum retry reached delete cached data */ if (td->resend_queue[i].retry_count >= NAT_HA_RETRIES) { - nat_elog_notice_X1 ("seq %d missed", "i4", + nat_elog_notice_X1 (nm, "seq %d missed", "i4", clib_net_to_host_u32 (td->resend_queue[i].seq)); if (td->resend_queue[i].is_resync) { @@ -410,14 +412,14 @@ nat_ha_resend_scan (f64 now, u32 thread_index) } /* retry to send non-ACKed data */ - nat_elog_debug_X1 ("state sync seq %d resend", "i4", + nat_elog_debug_X1 (nm, "state sync seq %d resend", "i4", clib_net_to_host_u32 (td->resend_queue[i].seq)); td->resend_queue[i].retry_count++; vlib_increment_simple_counter (&ha->counters[NAT_HA_COUNTER_RETRY_COUNT], thread_index, 0, 1); if (vlib_buffer_alloc (vm, &bi, 1) != 1) { - nat_elog_warn ("HA NAT state sync can't allocate buffer"); + nat_elog_warn (nm, "HA NAT state sync can't allocate buffer"); return; } b = vlib_get_buffer (vm, bi); @@ -465,13 +467,13 @@ nat_ha_set_node_indexes (nat_ha_main_t *ha, vlib_main_t *vm) { vlib_node_t *node; - node = vlib_get_node_by_name (vm, (u8 *) "nat-ha-handoff"); + node = vlib_get_node_by_name (vm, (u8 *) "nat44-ei-ha-handoff"); ha->ha_handoff_node_index = node->index; - node = vlib_get_node_by_name (vm, (u8 *) "nat-ha-process"); + node = vlib_get_node_by_name (vm, (u8 *) "nat44-ei-ha-process"); ha->ha_process_node_index = node->index; - node = vlib_get_node_by_name (vm, (u8 *) "nat-ha-worker"); + node = vlib_get_node_by_name (vm, (u8 *) "nat44-ei-ha-worker"); ha->ha_worker_node_index = node->index; - node = vlib_get_node_by_name (vm, (u8 *) "nat-ha"); + node = vlib_get_node_by_name (vm, (u8 *) "nat44-ei-ha"); ha->ha_node_index = node->index; } @@ -489,10 +491,11 @@ nat_ha_init (vlib_main_t * vm, u32 num_workers, u32 num_threads) ha->num_workers = num_workers; vec_validate (ha->per_thread_data, num_threads); -#define _(N, s, v) ha->counters[v].name = s; \ - ha->counters[v].stat_segment_name = "/nat44/ha/" s; \ - vlib_validate_simple_counter(&ha->counters[v], 0); \ - vlib_zero_simple_counter(&ha->counters[v], 0); +#define _(N, s, v) \ + ha->counters[v].name = s; \ + ha->counters[v].stat_segment_name = "/nat44-ei/ha/" s; \ + vlib_validate_simple_counter (&ha->counters[v], 0); \ + vlib_zero_simple_counter (&ha->counters[v], 0); foreach_nat_ha_counter #undef _ } @@ -500,6 +503,7 @@ nat_ha_init (vlib_main_t * vm, u32 num_workers, u32 num_threads) int nat_ha_set_listener (ip4_address_t * addr, u16 port, u32 path_mtu) { + nat44_ei_main_t *nm = &nat44_ei_main; nat_ha_main_t *ha = &nat_ha_main; /* unregister previously set UDP port */ @@ -524,7 +528,8 @@ nat_ha_set_listener (ip4_address_t * addr, u16 port, u32 path_mtu) { udp_register_dst_port (ha->vlib_main, port, ha->ha_node_index, 1); } - nat_elog_info_X1 ("HA listening on port %d for state sync", "i4", port); + nat_elog_info_X1 (nm, "HA listening on port %d for state sync", "i4", + port); } return 0; @@ -633,6 +638,7 @@ nat_ha_recv_refresh (nat_ha_event_t * event, f64 now, u32 thread_index) static_always_inline void nat_ha_event_process (nat_ha_event_t * event, f64 now, u32 thread_index) { + nat44_ei_main_t *nm = &nat44_ei_main; switch (event->event_type) { case NAT_HA_ADD: @@ -645,7 +651,7 @@ nat_ha_event_process (nat_ha_event_t * event, f64 now, u32 thread_index) nat_ha_recv_refresh (event, now, thread_index); break; default: - nat_elog_notice_X1 ("Unsupported HA event type %d", "i4", + nat_elog_notice_X1 (nm, "Unsupported HA event type %d", "i4", event->event_type); break; } @@ -728,6 +734,7 @@ static_always_inline void nat_ha_event_add (nat_ha_event_t * event, u8 do_flush, u32 thread_index, u8 is_resync) { + nat44_ei_main_t *nm = &nat44_ei_main; nat_ha_main_t *ha = &nat_ha_main; nat_ha_per_thread_data_t *td = &ha->per_thread_data[thread_index]; vlib_main_t *vm = vlib_mains[thread_index]; @@ -744,7 +751,7 @@ nat_ha_event_add (nat_ha_event_t * event, u8 do_flush, u32 thread_index, if (vlib_buffer_alloc (vm, &bi, 1) != 1) { - nat_elog_warn ("HA NAT state sync can't allocate buffer"); + nat_elog_warn (nm, "HA NAT state sync can't allocate buffer"); return; } @@ -932,10 +939,10 @@ nat_ha_worker_fn (vlib_main_t * vm, vlib_node_runtime_t * rt, /* *INDENT-OFF* */ VLIB_REGISTER_NODE (nat_ha_worker_node) = { - .function = nat_ha_worker_fn, - .type = VLIB_NODE_TYPE_INPUT, - .state = VLIB_NODE_STATE_INTERRUPT, - .name = "nat-ha-worker", + .function = nat_ha_worker_fn, + .type = VLIB_NODE_TYPE_INPUT, + .state = VLIB_NODE_STATE_INTERRUPT, + .name = "nat44-ei-ha-worker", }; /* *INDENT-ON* */ @@ -943,6 +950,7 @@ VLIB_REGISTER_NODE (nat_ha_worker_node) = { static uword nat_ha_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f) { + nat44_ei_main_t *nm = &nat44_ei_main; nat_ha_main_t *ha = &nat_ha_main; uword event_type; uword *event_data = 0; @@ -951,7 +959,7 @@ nat_ha_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f) vlib_process_wait_for_event (vm); event_type = vlib_process_get_events (vm, &event_data); if (event_type) - nat_elog_info ("nat-ha-process: bogus kickoff event received"); + nat_elog_info (nm, "nat44-ei-ha-process: bogus kickoff event received"); vec_reset_length (event_data); while (1) @@ -974,9 +982,9 @@ nat_ha_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f) /* *INDENT-OFF* */ VLIB_REGISTER_NODE (nat_ha_process_node) = { - .function = nat_ha_process, - .type = VLIB_NODE_TYPE_PROCESS, - .name = "nat-ha-process", + .function = nat_ha_process, + .type = VLIB_NODE_TYPE_PROCESS, + .name = "nat44-ei-ha-process", }; /* *INDENT-ON* */ @@ -1002,9 +1010,8 @@ format_nat_ha_trace (u8 * s, va_list * args) CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *); nat_ha_trace_t *t = va_arg (*args, nat_ha_trace_t *); - s = - format (s, "nat-ha: %u events from %U", t->event_count, - format_ip4_address, &t->addr); + s = format (s, "nat44-ei-ha: %u events from %U", t->event_count, + format_ip4_address, &t->addr); return s; } @@ -1173,7 +1180,7 @@ nat_ha_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node, /* *INDENT-OFF* */ VLIB_REGISTER_NODE (nat_ha_node) = { .function = nat_ha_node_fn, - .name = "nat-ha", + .name = "nat44-ei-ha", .vector_size = sizeof (u32), .format_trace = format_nat_ha_trace, .type = VLIB_NODE_TYPE_INTERNAL, @@ -1294,7 +1301,7 @@ nat_ha_resync (u32 client_index, u32 pid, /* *INDENT-OFF* */ VLIB_REGISTER_NODE (nat_ha_handoff_node) = { .function = nat_ha_handoff_node_fn, - .name = "nat-ha-handoff", + .name = "nat44-ei-ha-handoff", .vector_size = sizeof (u32), .format_trace = format_nat_ha_handoff_trace, .type = VLIB_NODE_TYPE_INTERNAL, |