diff options
| -rw-r--r-- | src/plugins/nat/in2out_ed.c | 94 | ||||
| -rwxr-xr-x | src/plugins/nat/nat.c | 208 | ||||
| -rw-r--r-- | src/plugins/nat/nat.h | 6 | ||||
| -rw-r--r-- | src/plugins/nat/nat44/inlines.h | 22 | ||||
| -rw-r--r-- | src/plugins/nat/nat44_classify.c | 2 | ||||
| -rw-r--r-- | src/plugins/nat/nat44_cli.c | 3 | ||||
| -rw-r--r-- | src/plugins/nat/nat44_hairpinning.c | 27 | ||||
| -rw-r--r-- | src/plugins/nat/nat_inlines.h | 48 | ||||
| -rw-r--r-- | src/plugins/nat/out2in_ed.c | 102 | ||||
| -rw-r--r-- | src/vnet/buffer.h | 2 |
10 files changed, 316 insertions, 198 deletions
diff --git a/src/plugins/nat/in2out_ed.c b/src/plugins/nat/in2out_ed.c index 0f1500f5e06..c49ce077426 100644 --- a/src/plugins/nat/in2out_ed.c +++ b/src/plugins/nat/in2out_ed.c @@ -84,7 +84,8 @@ nat44_i2o_ed_is_idle_session_cb (clib_bihash_kv_16_8_t * kv, void *arg) snat_main_per_thread_data_t *tsm = vec_elt_at_index (sm->per_thread_data, ctx->thread_index); - s = pool_elt_at_index (tsm->sessions, kv->value); + ASSERT (ctx->thread_index == ed_value_get_thread_index (kv)); + s = pool_elt_at_index (tsm->sessions, ed_value_get_session_index (kv)); sess_timeout_time = s->last_heard + (f64) nat44_session_get_timeout (sm, s); if (ctx->now >= sess_timeout_time) { @@ -106,9 +107,9 @@ nat44_i2o_ed_is_idle_session_cb (clib_bihash_kv_16_8_t * kv, void *arg) l_port = s->out2in.port; r_port = s->ext_host_port; } - make_ed_kv (l_addr, r_addr, proto, fib_index, l_port, r_port, ~0ULL, + make_ed_kv (l_addr, r_addr, proto, fib_index, l_port, r_port, ~0, ~0, &ed_kv); - if (clib_bihash_add_del_16_8 (&tsm->out2in_ed, &ed_kv, 0)) + if (clib_bihash_add_del_16_8 (&sm->out2in_ed, &ed_kv, 0)) nat_elog_warn ("out2in_ed key del failed"); if (snat_is_unk_proto_session (s)) @@ -229,9 +230,9 @@ nat_ed_alloc_addr_and_port (snat_main_t * sm, u32 rx_fib_index, --attempts; \ portnum = port_thread_offset + port; \ make_ed_kv (&a->addr, &r_addr, proto, s->out2in.fib_index, \ - clib_host_to_net_u16 (portnum), r_port, \ + clib_host_to_net_u16 (portnum), r_port, thread_index, \ s - tsm->sessions, out2in_ed_kv); \ - int rv = clib_bihash_add_del_16_8 (&tsm->out2in_ed, out2in_ed_kv, \ + int rv = clib_bihash_add_del_16_8 (&sm->out2in_ed, out2in_ed_kv, \ 2 /* is_add */); \ if (0 == rv) \ { \ @@ -436,10 +437,10 @@ slow_path_ed (snat_main_t * sm, make_ed_kv (&key1.addr, &r_addr, proto, - s->out2in.fib_index, key1.port, r_port, s - tsm->sessions, - &out2in_ed_kv); + s->out2in.fib_index, key1.port, r_port, thread_index, + s - tsm->sessions, &out2in_ed_kv); if (clib_bihash_add_or_overwrite_stale_16_8 - (&tsm->out2in_ed, &out2in_ed_kv, nat44_o2i_ed_is_idle_session_cb, + (&sm->out2in_ed, &out2in_ed_kv, nat44_o2i_ed_is_idle_session_cb, &ctx)) nat_elog_notice ("out2in-ed key add failed"); } @@ -455,7 +456,7 @@ slow_path_ed (snat_main_t * sm, clib_bihash_kv_16_8_t in2out_ed_kv; make_ed_kv (&l_addr, &r_addr, proto, rx_fib_index, l_port, r_port, - s - tsm->sessions, &in2out_ed_kv); + thread_index, s - tsm->sessions, &in2out_ed_kv); ctx.now = now; ctx.thread_index = thread_index; if (clib_bihash_add_or_overwrite_stale_16_8 (&tsm->in2out_ed, &in2out_ed_kv, @@ -495,16 +496,15 @@ nat44_ed_not_translate (snat_main_t * sm, vlib_node_runtime_t * node, u32 rx_fib_index, u32 thread_index) { udp_header_t *udp = ip4_next_header (ip); - snat_main_per_thread_data_t *tsm = &sm->per_thread_data[thread_index]; clib_bihash_kv_16_8_t kv, value; snat_session_key_t key0, key1; make_ed_kv (&ip->dst_address, &ip->src_address, ip->protocol, - sm->outside_fib_index, udp->dst_port, udp->src_port, ~0ULL, + sm->outside_fib_index, udp->dst_port, udp->src_port, ~0, ~0, &kv); /* NAT packet aimed at external address if has active sessions */ - if (clib_bihash_search_16_8 (&tsm->out2in_ed, &kv, &value)) + if (clib_bihash_search_16_8 (&sm->out2in_ed, &kv, &value)) { key0.addr = ip->dst_address; key0.port = udp->dst_port; @@ -538,24 +538,27 @@ nat_not_translate_output_feature_fwd (snat_main_t * sm, ip4_header_t * ip, if (ip->protocol == IP_PROTOCOL_ICMP) { - if (get_icmp_i2o_ed_key (b, ip, 0, ~0ULL, 0, 0, 0, &kv)) + if (get_icmp_i2o_ed_key (b, ip, 0, ~0, ~0, 0, 0, 0, &kv)) return 0; } else if (ip->protocol == IP_PROTOCOL_UDP || ip->protocol == IP_PROTOCOL_TCP) { make_ed_kv (&ip->src_address, &ip->dst_address, ip->protocol, 0, vnet_buffer (b)->ip.reass.l4_src_port, - vnet_buffer (b)->ip.reass.l4_dst_port, ~0ULL, &kv); + vnet_buffer (b)->ip.reass.l4_dst_port, ~0, ~0, &kv); } else { make_ed_kv (&ip->src_address, &ip->dst_address, ip->protocol, 0, 0, - 0, ~0ULL, &kv); + 0, ~0, ~0, &kv); } if (!clib_bihash_search_16_8 (&tsm->in2out_ed, &kv, &value)) { - s = pool_elt_at_index (tsm->sessions, value.value); + ASSERT (thread_index == ed_value_get_thread_index (&value)); + s = + pool_elt_at_index (tsm->sessions, + ed_value_get_session_index (&value)); if (is_fwd_bypass_session (s)) { if (ip->protocol == IP_PROTOCOL_TCP) @@ -594,10 +597,13 @@ nat44_ed_not_translate_output_feature (snat_main_t * sm, ip4_header_t * ip, /* src NAT check */ make_ed_kv (&ip->src_address, &ip->dst_address, ip->protocol, - tx_fib_index, src_port, dst_port, ~0ULL, &kv); - if (!clib_bihash_search_16_8 (&tsm->out2in_ed, &kv, &value)) + tx_fib_index, src_port, dst_port, ~0, ~0, &kv); + if (!clib_bihash_search_16_8 (&sm->out2in_ed, &kv, &value)) { - s = pool_elt_at_index (tsm->sessions, value.value); + ASSERT (thread_index == ed_value_get_thread_index (&value)); + s = + pool_elt_at_index (tsm->sessions, + ed_value_get_session_index (&value)); if (nat44_is_ses_closed (s)) { nat_free_session_data (sm, s, thread_index, 0); @@ -610,10 +616,13 @@ nat44_ed_not_translate_output_feature (snat_main_t * sm, ip4_header_t * ip, /* dst NAT check */ make_ed_kv (&ip->dst_address, &ip->src_address, ip->protocol, - rx_fib_index, dst_port, src_port, ~0ULL, &kv); + rx_fib_index, dst_port, src_port, ~0, ~0, &kv); if (!clib_bihash_search_16_8 (&tsm->in2out_ed, &kv, &value)) { - s = pool_elt_at_index (tsm->sessions, value.value); + ASSERT (thread_index == ed_value_get_thread_index (&value)); + s = + pool_elt_at_index (tsm->sessions, + ed_value_get_session_index (&value)); if (is_fwd_bypass_session (s)) return 0; @@ -653,7 +662,7 @@ icmp_match_in2out_ed (snat_main_t * sm, vlib_node_runtime_t * node, rx_fib_index = ip4_fib_table_get_index_for_sw_if_index (sw_if_index); err = - get_icmp_i2o_ed_key (b, ip, rx_fib_index, ~0ULL, p_proto, &l_port, + get_icmp_i2o_ed_key (b, ip, rx_fib_index, ~0, ~0, p_proto, &l_port, &r_port, &kv); if (err != 0) { @@ -725,7 +734,10 @@ icmp_match_in2out_ed (snat_main_t * sm, vlib_node_runtime_t * node, goto out; } - s = pool_elt_at_index (tsm->sessions, value.value); + ASSERT (thread_index == ed_value_get_thread_index (&value)); + s = + pool_elt_at_index (tsm->sessions, + ed_value_get_session_index (&value)); } out: if (s) @@ -794,11 +806,14 @@ nat44_ed_in2out_unknown_proto (snat_main_t * sm, old_addr = ip->src_address.as_u32; make_ed_kv (&ip->src_address, &ip->dst_address, ip->protocol, - rx_fib_index, 0, 0, ~0ULL, &s_kv); + rx_fib_index, 0, 0, ~0, ~0, &s_kv); if (!clib_bihash_search_16_8 (&tsm->in2out_ed, &s_kv, &s_value)) { - s = pool_elt_at_index (tsm->sessions, s_value.value); + ASSERT (thread_index == ed_value_get_thread_index (&s_value)); + s = + pool_elt_at_index (tsm->sessions, + ed_value_get_session_index (&s_value)); new_addr = ip->src_address.as_u32 = s->out2in.addr.as_u32; } else @@ -832,8 +847,8 @@ nat44_ed_in2out_unknown_proto (snat_main_t * sm, new_addr = ip->src_address.as_u32 = s->out2in.addr.as_u32; make_ed_kv (&s->out2in.addr, &ip->dst_address, ip->protocol, - outside_fib_index, 0, 0, ~0ULL, &s_kv); - if (clib_bihash_search_16_8 (&tsm->out2in_ed, &s_kv, &s_value)) + outside_fib_index, 0, 0, ~0, ~0, &s_kv); + if (clib_bihash_search_16_8 (&sm->out2in_ed, &s_kv, &s_value)) goto create_ses; break; @@ -844,9 +859,9 @@ nat44_ed_in2out_unknown_proto (snat_main_t * sm, for (i = 0; i < vec_len (sm->addresses); i++) { make_ed_kv (&sm->addresses[i].addr, &ip->dst_address, - ip->protocol, outside_fib_index, 0, 0, ~0ULL, + ip->protocol, outside_fib_index, 0, 0, ~0, ~0, &s_kv); - if (clib_bihash_search_16_8 (&tsm->out2in_ed, &s_kv, &s_value)) + if (clib_bihash_search_16_8 (&sm->out2in_ed, &s_kv, &s_value)) { new_addr = ip->src_address.as_u32 = sm->addresses[i].addr.as_u32; @@ -878,13 +893,14 @@ nat44_ed_in2out_unknown_proto (snat_main_t * sm, /* Add to lookup tables */ make_ed_kv (&s->in2out.addr, &ip->dst_address, ip->protocol, - rx_fib_index, 0, 0, s - tsm->sessions, &s_kv); + rx_fib_index, 0, 0, thread_index, s - tsm->sessions, &s_kv); if (clib_bihash_add_del_16_8 (&tsm->in2out_ed, &s_kv, 1)) nat_elog_notice ("in2out key add failed"); make_ed_kv (&s->out2in.addr, &ip->dst_address, ip->protocol, - outside_fib_index, 0, 0, s - tsm->sessions, &s_kv); - if (clib_bihash_add_del_16_8 (&tsm->out2in_ed, &s_kv, 1)) + outside_fib_index, 0, 0, thread_index, s - tsm->sessions, + &s_kv); + if (clib_bihash_add_del_16_8 (&sm->out2in_ed, &s_kv, 1)) nat_elog_notice ("out2in key add failed"); } @@ -1015,7 +1031,7 @@ nat44_ed_in2out_fast_path_node_fn_inline (vlib_main_t * vm, make_ed_kv (&ip0->src_address, &ip0->dst_address, ip0->protocol, rx_fib_index0, vnet_buffer (b0)->ip.reass.l4_src_port, - vnet_buffer (b0)->ip.reass.l4_dst_port, ~0ULL, &kv0); + vnet_buffer (b0)->ip.reass.l4_dst_port, ~0, ~0, &kv0); // lookup for session if (clib_bihash_search_16_8 (&tsm->in2out_ed, &kv0, &value0)) @@ -1024,7 +1040,10 @@ nat44_ed_in2out_fast_path_node_fn_inline (vlib_main_t * vm, next0 = def_slow; goto trace0; } - s0 = pool_elt_at_index (tsm->sessions, value0.value); + ASSERT (thread_index == ed_value_get_thread_index (&value0)); + s0 = + pool_elt_at_index (tsm->sessions, + ed_value_get_session_index (&value0)); if (s0->tcp_closed_timestamp) { @@ -1301,11 +1320,14 @@ nat44_ed_in2out_slow_path_node_fn_inline (vlib_main_t * vm, make_ed_kv (&ip0->src_address, &ip0->dst_address, ip0->protocol, rx_fib_index0, vnet_buffer (b0)->ip.reass.l4_src_port, - vnet_buffer (b0)->ip.reass.l4_dst_port, ~0ULL, &kv0); + vnet_buffer (b0)->ip.reass.l4_dst_port, ~0, ~0, &kv0); if (!clib_bihash_search_16_8 (&tsm->in2out_ed, &kv0, &value0)) { - s0 = pool_elt_at_index (tsm->sessions, value0.value); + ASSERT (thread_index == ed_value_get_thread_index (&value0)); + s0 = + pool_elt_at_index (tsm->sessions, + ed_value_get_session_index (&value0)); if (s0->tcp_closed_timestamp && now >= s0->tcp_closed_timestamp) { diff --git a/src/plugins/nat/nat.c b/src/plugins/nat/nat.c index ee35a57a3ce..ae9927f1b0b 100755 --- a/src/plugins/nat/nat.c +++ b/src/plugins/nat/nat.c @@ -213,7 +213,7 @@ nat_free_session_data (snat_main_t * sm, snat_session_t * s, u32 thread_index, if (snat_is_unk_proto_session (s)) { make_ed_kv (&s->in2out.addr, &s->ext_host_addr, s->in2out.port, 0, - 0, 0, ~0ULL, &ed_kv); + 0, 0, ~0, ~0, &ed_kv); } else { @@ -222,8 +222,8 @@ nat_free_session_data (snat_main_t * sm, snat_session_t * s, u32 thread_index, l_addr = &s->in2out.addr; r_addr = &s->ext_host_addr; proto = nat_proto_to_ip_proto (s->in2out.protocol); - make_ed_kv (l_addr, r_addr, proto, fib_index, l_port, r_port, ~0ULL, - &ed_kv); + make_ed_kv (l_addr, r_addr, proto, fib_index, l_port, r_port, ~0, + ~0, &ed_kv); } if (clib_bihash_add_del_16_8 (&tsm->in2out_ed, &ed_kv, 0)) nat_elog_warn ("in2out_ed key del failed"); @@ -251,9 +251,9 @@ nat_free_session_data (snat_main_t * sm, snat_session_t * s, u32 thread_index, l_port = s->out2in.port; r_port = s->ext_host_port; } - make_ed_kv (l_addr, r_addr, proto, fib_index, l_port, r_port, ~0ULL, + make_ed_kv (l_addr, r_addr, proto, fib_index, l_port, r_port, ~0, ~0, &ed_kv); - if (clib_bihash_add_del_16_8 (&tsm->out2in_ed, &ed_kv, 0)) + if (clib_bihash_add_del_16_8 (&sm->out2in_ed, &ed_kv, 0)) nat_elog_warn ("out2in_ed key del failed"); l_addr = &s->in2out.addr; fib_index = s->in2out.fib_index; @@ -264,7 +264,7 @@ nat_free_session_data (snat_main_t * sm, snat_session_t * s, u32 thread_index, r_addr = &s->ext_host_nat_addr; r_port = s->ext_host_nat_port; } - make_ed_kv (l_addr, r_addr, proto, fib_index, l_port, r_port, ~0ULL, + make_ed_kv (l_addr, r_addr, proto, fib_index, l_port, r_port, ~0, ~0, &ed_kv); if (clib_bihash_add_del_16_8 (&tsm->in2out_ed, &ed_kv, 0)) nat_elog_warn ("in2out_ed key del failed"); @@ -379,7 +379,7 @@ nat44_free_session_data (snat_main_t * sm, snat_session_t * s, l_addr = &s->in2out.addr; r_addr = &s->ext_host_addr; fib_index = 0; - make_ed_kv (l_addr, r_addr, proto, fib_index, l_port, r_port, ~0ULL, + make_ed_kv (l_addr, r_addr, proto, fib_index, l_port, r_port, ~0, ~0, &ed_kv); if (PREDICT_FALSE @@ -407,10 +407,10 @@ nat44_free_session_data (snat_main_t * sm, snat_session_t * s, l_port = s->out2in.port; r_port = s->ext_host_port; } - make_ed_kv (l_addr, r_addr, proto, fib_index, l_port, r_port, ~0ULL, + make_ed_kv (l_addr, r_addr, proto, fib_index, l_port, r_port, ~0, ~0, &ed_kv); - if (PREDICT_FALSE (clib_bihash_add_del_16_8 (&tsm->out2in_ed, &ed_kv, 0))) + if (PREDICT_FALSE (clib_bihash_add_del_16_8 (&sm->out2in_ed, &ed_kv, 0))) nat_elog_warn ("out2in_ed key del failed"); l_addr = &s->in2out.addr; @@ -424,7 +424,7 @@ nat44_free_session_data (snat_main_t * sm, snat_session_t * s, r_addr = &s->ext_host_nat_addr; r_port = s->ext_host_nat_port; } - make_ed_kv (l_addr, r_addr, proto, fib_index, l_port, r_port, ~0ULL, + make_ed_kv (l_addr, r_addr, proto, fib_index, l_port, r_port, ~0, ~0, &ed_kv); if (PREDICT_FALSE (clib_bihash_add_del_16_8 (&tsm->in2out_ed, &ed_kv, 0))) @@ -2467,9 +2467,11 @@ test_ed_make_split () u16 r_port = 40301; u8 proto = 9; u32 fib_index = 9000001; - u64 value = ~0ULL; + u32 thread_index = 3000000001; + u32 session_index = 3000000221; clib_bihash_kv_16_8_t kv; - make_ed_kv (&l_addr, &r_addr, proto, fib_index, l_port, r_port, value, &kv); + make_ed_kv (&l_addr, &r_addr, proto, fib_index, l_port, r_port, + thread_index, session_index, &kv); ip4_address_t l_addr2; ip4_address_t r_addr2; clib_memset (&l_addr2, 0, sizeof (l_addr2)); @@ -2480,14 +2482,14 @@ test_ed_make_split () u32 fib_index2 = 0; split_ed_kv (&kv, &l_addr2, &r_addr2, &proto2, &fib_index2, &l_port2, &r_port2); - u64 value2 = kv.value; ASSERT (l_addr.as_u32 == l_addr2.as_u32); ASSERT (r_addr.as_u32 == r_addr2.as_u32); ASSERT (l_port == l_port2); ASSERT (r_port == r_port2); ASSERT (proto == proto2); ASSERT (fib_index == fib_index2); - ASSERT (value == value2); + ASSERT (thread_index == ed_value_get_thread_index (&kv)); + ASSERT (session_index == ed_value_get_session_index (&kv)); } static clib_error_t * @@ -3171,10 +3173,12 @@ format_ed_session_kvp (u8 * s, va_list * args) split_ed_kv (v, &l_addr, &r_addr, &proto, &fib_index, &l_port, &r_port); s = - format (s, "local %U:%d remote %U:%d proto %U fib %d session-index %llu", + format (s, + "local %U:%d remote %U:%d proto %U fib %d thread-index %u session-index %u", format_ip4_address, &l_addr, clib_net_to_host_u16 (l_port), format_ip4_address, &r_addr, clib_net_to_host_u16 (r_port), - format_ip_protocol, proto, fib_index, v->value); + format_ip_protocol, proto, fib_index, + ed_value_get_session_index (v), ed_value_get_thread_index (v)); return s; } @@ -3348,26 +3352,25 @@ nat44_ed_get_worker_in2out_cb (ip4_header_t * ip, u32 rx_fib_index, make_ed_kv (&ip->src_address, &ip->dst_address, ip->protocol, fib_index, udp->src_port, udp->dst_port, - ~0ULL, &kv16); + ~0, ~0, &kv16); - /* *INDENT-OFF* */ - vec_foreach (tsm, sm->per_thread_data) - { - if (PREDICT_TRUE (!clib_bihash_search_16_8 (&tsm->out2in_ed, - &kv16, &value16))) - { - next_worker_index += tsm->thread_index; - - nat_elog_debug_handoff ( - "HANDOFF IN2OUT-OUTPUT-FEATURE (session)", - next_worker_index, fib_index, - clib_net_to_host_u32 (ip->src_address.as_u32), - clib_net_to_host_u32 (ip->dst_address.as_u32)); - - return next_worker_index; - } - } - /* *INDENT-ON* */ + if (PREDICT_TRUE (!clib_bihash_search_16_8 (&sm->out2in_ed, + &kv16, &value16))) + { + tsm = + vec_elt_at_index (sm->per_thread_data, + ed_value_get_thread_index (&value16)); + next_worker_index += tsm->thread_index; + + nat_elog_debug_handoff ("HANDOFF IN2OUT-OUTPUT-FEATURE (session)", + next_worker_index, fib_index, + clib_net_to_host_u32 (ip-> + src_address.as_u32), + clib_net_to_host_u32 (ip-> + dst_address.as_u32)); + + return next_worker_index; + } } hash = ip->src_address.as_u32 + (ip->src_address.as_u32 >> 8) + @@ -3419,44 +3422,45 @@ nat44_ed_get_worker_out2in_cb (vlib_buffer_t * b, ip4_header_t * ip, make_ed_kv (&ip->dst_address, &ip->src_address, ip->protocol, rx_fib_index, udp->dst_port, udp->src_port, - ~0ULL, &kv16); + ~0, ~0, &kv16); - /* *INDENT-OFF* */ - vec_foreach (tsm, sm->per_thread_data) - { - if (PREDICT_TRUE (!clib_bihash_search_16_8 (&tsm->out2in_ed, - &kv16, &value16))) - { - next_worker_index = sm->first_worker_index + tsm->thread_index; - nat_elog_debug_handoff ("HANDOFF OUT2IN (session)", - next_worker_index, rx_fib_index, - clib_net_to_host_u32 (ip->src_address.as_u32), - clib_net_to_host_u32 (ip->dst_address.as_u32)); - return next_worker_index; - } - } - /* *INDENT-ON* */ + if (PREDICT_TRUE (!clib_bihash_search_16_8 (&sm->out2in_ed, + &kv16, &value16))) + { + tsm = + vec_elt_at_index (sm->per_thread_data, + ed_value_get_thread_index (&value16)); + vnet_buffer2 (b)->nat.ed_out2in_nat_session_index = + ed_value_get_session_index (&value16); + next_worker_index = sm->first_worker_index + tsm->thread_index; + nat_elog_debug_handoff ("HANDOFF OUT2IN (session)", + next_worker_index, rx_fib_index, + clib_net_to_host_u32 (ip-> + src_address.as_u32), + clib_net_to_host_u32 (ip-> + dst_address.as_u32)); + return next_worker_index; + } } else if (proto == NAT_PROTOCOL_ICMP) { - if (!get_icmp_o2i_ed_key (b, ip, rx_fib_index, ~0ULL, 0, 0, 0, &kv16)) + if (!get_icmp_o2i_ed_key (b, ip, rx_fib_index, ~0, ~0, 0, 0, 0, &kv16)) { - /* *INDENT-OFF* */ - vec_foreach (tsm, sm->per_thread_data) - { - if (PREDICT_TRUE (!clib_bihash_search_16_8 (&tsm->out2in_ed, - &kv16, &value16))) - { - next_worker_index = sm->first_worker_index + - tsm->thread_index; - nat_elog_debug_handoff ("HANDOFF OUT2IN (session)", - next_worker_index, rx_fib_index, - clib_net_to_host_u32 (ip->src_address.as_u32), - clib_net_to_host_u32 (ip->dst_address.as_u32)); - return next_worker_index; - } - } - /* *INDENT-ON* */ + if (PREDICT_TRUE (!clib_bihash_search_16_8 (&sm->out2in_ed, + &kv16, &value16))) + { + tsm = + vec_elt_at_index (sm->per_thread_data, + ed_value_get_thread_index (&value16)); + next_worker_index = sm->first_worker_index + tsm->thread_index; + nat_elog_debug_handoff ("HANDOFF OUT2IN (session)", + next_worker_index, rx_fib_index, + clib_net_to_host_u32 (ip-> + src_address.as_u32), + clib_net_to_host_u32 (ip-> + dst_address.as_u32)); + return next_worker_index; + } } } @@ -3802,13 +3806,14 @@ nat_ha_sadd_ed_cb (ip4_address_t * in_addr, u16 in_port, make_ed_kv (in_addr, &s->ext_host_nat_addr, nat_proto_to_ip_proto (proto), fib_index, in_port, - s->ext_host_nat_port, s - tsm->sessions, &kv); + s->ext_host_nat_port, thread_index, s - tsm->sessions, &kv); if (clib_bihash_add_del_16_8 (&tsm->in2out_ed, &kv, 1)) nat_elog_warn ("in2out key add failed"); make_ed_kv (out_addr, eh_addr, nat_proto_to_ip_proto (proto), - s->out2in.fib_index, out_port, eh_port, s - tsm->sessions, &kv); - if (clib_bihash_add_del_16_8 (&tsm->out2in_ed, &kv, 1)) + s->out2in.fib_index, out_port, eh_port, thread_index, + s - tsm->sessions, &kv); + if (clib_bihash_add_del_16_8 (&sm->out2in_ed, &kv, 1)) nat_elog_warn ("out2in key add failed"); } @@ -3832,12 +3837,12 @@ nat_ha_sdel_ed_cb (ip4_address_t * out_addr, u16 out_port, thread_index = sm->num_workers; tsm = vec_elt_at_index (sm->per_thread_data, thread_index); - make_ed_kv (out_addr, eh_addr, proto, fib_index, out_port, eh_port, ~0ULL, + make_ed_kv (out_addr, eh_addr, proto, fib_index, out_port, eh_port, ~0, ~0, &kv); - if (clib_bihash_search_16_8 (&tsm->out2in_ed, &kv, &value)) + if (clib_bihash_search_16_8 (&sm->out2in_ed, &kv, &value)) return; - s = pool_elt_at_index (tsm->sessions, value.value); + s = pool_elt_at_index (tsm->sessions, ed_value_get_session_index (&value)); nat_free_session_data (sm, s, thread_index, 1); nat44_delete_session (sm, s, thread_index); } @@ -3855,12 +3860,12 @@ nat_ha_sref_ed_cb (ip4_address_t * out_addr, u16 out_port, tsm = vec_elt_at_index (sm->per_thread_data, thread_index); - make_ed_kv (out_addr, eh_addr, proto, fib_index, out_port, eh_port, ~0ULL, + make_ed_kv (out_addr, eh_addr, proto, fib_index, out_port, eh_port, ~0, ~0, &kv); - if (clib_bihash_search_16_8 (&tsm->out2in_ed, &kv, &value)) + if (clib_bihash_search_16_8 (&sm->out2in_ed, &kv, &value)) return; - s = pool_elt_at_index (tsm->sessions, value.value); + s = pool_elt_at_index (tsm->sessions, ed_value_get_session_index (&value)); s->total_pkts = total_pkts; s->total_bytes = total_bytes; } @@ -3902,11 +3907,6 @@ nat44_db_init (snat_main_per_thread_data_t * tsm) sm->translation_memory_size); clib_bihash_set_kvp_format_fn_16_8 (&tsm->in2out_ed, format_ed_session_kvp); - clib_bihash_init_16_8 (&tsm->out2in_ed, "out2in-ed", - sm->translation_buckets, - sm->translation_memory_size); - clib_bihash_set_kvp_format_fn_16_8 (&tsm->out2in_ed, - format_ed_session_kvp); } else { @@ -3938,7 +3938,6 @@ nat44_db_free (snat_main_per_thread_data_t * tsm) if (sm->endpoint_dependent) { clib_bihash_free_16_8 (&tsm->in2out_ed); - clib_bihash_free_16_8 (&tsm->out2in_ed); } else { @@ -3952,6 +3951,40 @@ nat44_db_free (snat_main_per_thread_data_t * tsm) clib_bihash_free_8_8 (&tsm->user_hash); } +void +nat44_sessions_clear () +{ + snat_main_t *sm = &snat_main; + snat_main_per_thread_data_t *tsm; + + if (sm->endpoint_dependent) + { + clib_bihash_free_16_8 (&sm->out2in_ed); + clib_bihash_init_16_8 (&sm->out2in_ed, "out2in-ed", + clib_max (1, sm->num_workers) * + sm->translation_buckets, + clib_max (1, sm->num_workers) * + sm->translation_memory_size); + clib_bihash_set_kvp_format_fn_16_8 (&sm->out2in_ed, + format_ed_session_kvp); + } + + /* *INDENT-OFF* */ + vec_foreach (tsm, sm->per_thread_data) + { + u32 ti; + + nat44_db_free (tsm); + nat44_db_init (tsm); + + ti = tsm->snat_thread_index; + // clear per thread session counters + vlib_set_simple_counter (&sm->total_users, ti, 0, 0); + vlib_set_simple_counter (&sm->total_sessions, ti, 0, 0); + } + /* *INDENT-ON* */ +} + static clib_error_t * snat_config (vlib_main_t * vm, unformat_input_t * input) { @@ -4122,6 +4155,11 @@ snat_config (vlib_main_t * vm, unformat_input_t * input) nat_affinity_init (vm); nat_ha_init (vm, nat_ha_sadd_ed_cb, nat_ha_sdel_ed_cb, nat_ha_sref_ed_cb); + clib_bihash_init_16_8 (&sm->out2in_ed, "out2in-ed", + translation_buckets, + translation_memory_size); + clib_bihash_set_kvp_format_fn_16_8 (&sm->out2in_ed, + format_ed_session_kvp); } else { @@ -4454,9 +4492,9 @@ nat44_del_ed_session (snat_main_t * sm, ip4_address_t * addr, u16 port, else tsm = vec_elt_at_index (sm->per_thread_data, sm->num_workers); - t = is_in ? &tsm->in2out_ed : &tsm->out2in_ed; + t = is_in ? &tsm->in2out_ed : &sm->out2in_ed; make_ed_kv (addr, eh_addr, proto, fib_index, clib_host_to_net_u16 (port), - clib_host_to_net_u16 (eh_port), ~0ULL, &kv); + clib_host_to_net_u16 (eh_port), ~0, ~0, &kv); if (clib_bihash_search_16_8 (t, &kv, &value)) { return VNET_API_ERROR_NO_SUCH_ENTRY; diff --git a/src/plugins/nat/nat.h b/src/plugins/nat/nat.h index 7a4d020dcde..31072272293 100644 --- a/src/plugins/nat/nat.h +++ b/src/plugins/nat/nat.h @@ -454,7 +454,6 @@ typedef struct clib_bihash_8_8_t in2out; /* Endpoint dependent sessions lookup tables */ - clib_bihash_16_8_t out2in_ed; clib_bihash_16_8_t in2out_ed; /* Find-a-user => src address lookup */ @@ -544,6 +543,9 @@ typedef struct snat_main_s /* Static mapping pool */ snat_static_mapping_t *static_mappings; + /* Endpoint-dependent out2in mappings */ + clib_bihash_16_8_t out2in_ed; + /* Interface pool */ snat_interface_t *interfaces; snat_interface_t *output_feature_interfaces; @@ -1288,6 +1290,8 @@ void nat44_db_init (snat_main_per_thread_data_t * tsm); */ void nat44_db_free (snat_main_per_thread_data_t * tsm); +void nat44_sessions_clear (); + /** * @brief Find or create NAT user * diff --git a/src/plugins/nat/nat44/inlines.h b/src/plugins/nat/nat44/inlines.h index 62121dfb0db..6e462d7c36f 100644 --- a/src/plugins/nat/nat44/inlines.h +++ b/src/plugins/nat/nat44/inlines.h @@ -65,28 +65,6 @@ nat44_session_reuse_old (snat_main_t * sm, snat_user_t * u, } static_always_inline void -nat44_sessions_clear () -{ - snat_main_t *sm = &snat_main; - snat_main_per_thread_data_t *tsm; - - /* *INDENT-OFF* */ - vec_foreach (tsm, sm->per_thread_data) - { - u32 ti; - - nat44_db_free (tsm); - nat44_db_init (tsm); - - ti = tsm->snat_thread_index; - // clear per thread session counters - vlib_set_simple_counter (&sm->total_users, ti, 0, 0); - vlib_set_simple_counter (&sm->total_sessions, ti, 0, 0); - } - /* *INDENT-ON* */ -} - -static_always_inline void nat44_user_del_sessions (snat_user_t * u, u32 thread_index) { dlist_elt_t *elt; diff --git a/src/plugins/nat/nat44_classify.c b/src/plugins/nat/nat44_classify.c index 5ff55790dc9..bb3584e8a72 100644 --- a/src/plugins/nat/nat44_classify.c +++ b/src/plugins/nat/nat44_classify.c @@ -369,7 +369,7 @@ nat44_ed_classify_node_fn_inline (vlib_main_t * vm, make_ed_kv (&ip0->src_address, &ip0->dst_address, ip0->protocol, rx_fib_index0, vnet_buffer (b0)->ip.reass.l4_src_port, - vnet_buffer (b0)->ip.reass.l4_dst_port, ~0ULL, + vnet_buffer (b0)->ip.reass.l4_dst_port, ~0, ~0, &ed_kv0); /* process whole packet */ if (!clib_bihash_search_16_8 diff --git a/src/plugins/nat/nat44_cli.c b/src/plugins/nat/nat44_cli.c index 796e3495594..ccc2eac5539 100644 --- a/src/plugins/nat/nat44_cli.c +++ b/src/plugins/nat/nat44_cli.c @@ -228,6 +228,7 @@ nat44_show_hash_commnad_fn (vlib_main_t * vm, unformat_input_t * input, vlib_cli_output (vm, "%U", format_bihash_8_8, &sm->static_mapping_by_external, verbose); + vlib_cli_output (vm, "%U", format_bihash_16_8, &sm->out2in_ed, verbose); vec_foreach_index (i, sm->per_thread_data) { tsm = vec_elt_at_index (sm->per_thread_data, i); @@ -237,8 +238,6 @@ nat44_show_hash_commnad_fn (vlib_main_t * vm, unformat_input_t * input, { vlib_cli_output (vm, "%U", format_bihash_16_8, &tsm->in2out_ed, verbose); - vlib_cli_output (vm, "%U", format_bihash_16_8, &tsm->out2in_ed, - verbose); } else { diff --git a/src/plugins/nat/nat44_hairpinning.c b/src/plugins/nat/nat44_hairpinning.c index d109bb88dea..02cdfb12380 100644 --- a/src/plugins/nat/nat44_hairpinning.c +++ b/src/plugins/nat/nat44_hairpinning.c @@ -128,10 +128,10 @@ snat_hairpinning (snat_main_t * sm, clib_bihash_kv_16_8_t ed_kv, ed_value; make_ed_kv (&ip0->dst_address, &ip0->src_address, ip0->protocol, sm->outside_fib_index, udp0->dst_port, - udp0->src_port, ~0ULL, &ed_kv); - rv = clib_bihash_search_16_8 (&sm->per_thread_data[ti].out2in_ed, - &ed_kv, &ed_value); - si = ed_value.value; + udp0->src_port, ~0, ~0, &ed_kv); + rv = clib_bihash_search_16_8 (&sm->out2in_ed, &ed_kv, &ed_value); + ASSERT (ti == ed_value_get_thread_index (&ed_value)); + si = ed_value_get_session_index (&ed_value); } else { @@ -228,12 +228,12 @@ snat_icmp_hairpinning (snat_main_t * sm, clib_bihash_kv_16_8_t ed_kv, ed_value; make_ed_kv (&ip0->dst_address, &ip0->src_address, inner_ip0->protocol, sm->outside_fib_index, - l4_header->src_port, l4_header->dst_port, ~0ULL, + l4_header->src_port, l4_header->dst_port, ~0, ~0, &ed_kv); - if (clib_bihash_search_16_8 - (&sm->per_thread_data[ti].out2in_ed, &ed_kv, &ed_value)) + if (clib_bihash_search_16_8 (&sm->out2in_ed, &ed_kv, &ed_value)) return 1; - si = ed_value.value; + ASSERT (ti == ed_value_get_thread_index (&ed_value)); + si = ed_value_get_session_index (&ed_value); } else { @@ -389,18 +389,16 @@ nat44_ed_hairpinning_unknown_proto (snat_main_t * sm, snat_static_mapping_t *m; ip_csum_t sum; snat_session_t *s; - snat_main_per_thread_data_t *tsm; if (sm->num_workers > 1) ti = sm->worker_out2in_cb (b, ip, sm->outside_fib_index, 0); else ti = sm->num_workers; - tsm = &sm->per_thread_data[ti]; old_addr = ip->dst_address.as_u32; make_ed_kv (&ip->dst_address, &ip->src_address, ip->protocol, - sm->outside_fib_index, 0, 0, ~0ULL, &s_kv); - if (clib_bihash_search_16_8 (&tsm->out2in_ed, &s_kv, &s_value)) + sm->outside_fib_index, 0, 0, ~0, ~0, &s_kv); + if (clib_bihash_search_16_8 (&sm->out2in_ed, &s_kv, &s_value)) { make_sm_kv (&kv, &ip->dst_address, 0, 0, 0); if (clib_bihash_search_8_8 @@ -414,7 +412,10 @@ nat44_ed_hairpinning_unknown_proto (snat_main_t * sm, } else { - s = pool_elt_at_index (sm->per_thread_data[ti].sessions, s_value.value); + ASSERT (ti == ed_value_get_thread_index (&s_value)); + s = + pool_elt_at_index (sm->per_thread_data[ti].sessions, + ed_value_get_session_index (&s_value)); if (vnet_buffer (b)->sw_if_index[VLIB_TX] == ~0) vnet_buffer (b)->sw_if_index[VLIB_TX] = s->in2out.fib_index; new_addr = ip->dst_address.as_u32 = s->in2out.addr.as_u32; diff --git a/src/plugins/nat/nat_inlines.h b/src/plugins/nat/nat_inlines.h index d37cb10b6fd..121d2c71aaa 100644 --- a/src/plugins/nat/nat_inlines.h +++ b/src/plugins/nat/nat_inlines.h @@ -445,13 +445,39 @@ nat44_session_update_lru (snat_main_t * sm, snat_session_t * s, always_inline void make_ed_kv (ip4_address_t * l_addr, ip4_address_t * r_addr, u8 proto, - u32 fib_index, u16 l_port, u16 r_port, u64 value, - clib_bihash_kv_16_8_t * kv) + u32 fib_index, u16 l_port, u16 r_port, u32 thread_index, + u32 session_index, clib_bihash_kv_16_8_t * kv) { kv->key[0] = (u64) r_addr->as_u32 << 32 | l_addr->as_u32; kv->key[1] = (u64) r_port << 48 | (u64) l_port << 32 | fib_index << 8 | proto; - kv->value = value; + kv->value = (u64) thread_index << 32 | session_index; +} + +always_inline u32 +ed_value_get_thread_index (clib_bihash_kv_16_8_t * value) +{ + return value->value >> 32; +} + +always_inline u32 +ed_value_get_session_index (clib_bihash_kv_16_8_t * value) +{ + return value->value & ~(u32) 0; +} + +always_inline void +split_ed_value (clib_bihash_kv_16_8_t * value, u32 * thread_index, + u32 * session_index) +{ + if (thread_index) + { + *thread_index = ed_value_get_thread_index (value); + } + if (session_index) + { + *session_index = ed_value_get_session_index (value); + } } always_inline void @@ -497,8 +523,8 @@ make_sm_kv (clib_bihash_kv_8_8_t * kv, ip4_address_t * addr, u8 proto, static_always_inline int get_icmp_i2o_ed_key (vlib_buffer_t * b, ip4_header_t * ip0, u32 rx_fib_index, - u64 value, u8 * nat_proto, u16 * l_port, u16 * r_port, - clib_bihash_kv_16_8_t * kv) + u32 thread_index, u32 session_index, u8 * nat_proto, + u16 * l_port, u16 * r_port, clib_bihash_kv_16_8_t * kv) { u8 proto; u16 _l_port, _r_port; @@ -546,8 +572,8 @@ get_icmp_i2o_ed_key (vlib_buffer_t * b, ip4_header_t * ip0, u32 rx_fib_index, return NAT_IN2OUT_ED_ERROR_UNSUPPORTED_PROTOCOL; } } - make_ed_kv (l_addr, r_addr, proto, rx_fib_index, _l_port, _r_port, value, - kv); + make_ed_kv (l_addr, r_addr, proto, rx_fib_index, _l_port, _r_port, + thread_index, session_index, kv); if (nat_proto) { *nat_proto = ip_proto_to_nat_proto (proto); @@ -566,8 +592,8 @@ get_icmp_i2o_ed_key (vlib_buffer_t * b, ip4_header_t * ip0, u32 rx_fib_index, static_always_inline int get_icmp_o2i_ed_key (vlib_buffer_t * b, ip4_header_t * ip0, u32 rx_fib_index, - u64 value, u8 * nat_proto, u16 * l_port, u16 * r_port, - clib_bihash_kv_16_8_t * kv) + u32 thread_index, u32 session_index, u8 * nat_proto, + u16 * l_port, u16 * r_port, clib_bihash_kv_16_8_t * kv) { icmp46_header_t *icmp0; u8 proto; @@ -614,8 +640,8 @@ get_icmp_o2i_ed_key (vlib_buffer_t * b, ip4_header_t * ip0, u32 rx_fib_index, return -1; } } - make_ed_kv (l_addr, r_addr, proto, rx_fib_index, _l_port, _r_port, value, - kv); + make_ed_kv (l_addr, r_addr, proto, rx_fib_index, _l_port, _r_port, + thread_index, session_index, kv); if (nat_proto) { *nat_proto = ip_proto_to_nat_proto (proto); diff --git a/src/plugins/nat/out2in_ed.c b/src/plugins/nat/out2in_ed.c index e597191d4d2..abd704579aa 100644 --- a/src/plugins/nat/out2in_ed.c +++ b/src/plugins/nat/out2in_ed.c @@ -132,7 +132,7 @@ nat44_o2i_ed_is_idle_session_cb (clib_bihash_kv_16_8_t * kv, void *arg) r_addr = &s->ext_host_nat_addr; r_port = s->ext_host_nat_port; } - make_ed_kv (l_addr, r_addr, proto, fib_index, l_port, r_port, ~0ULL, + make_ed_kv (l_addr, r_addr, proto, fib_index, l_port, r_port, ~0, ~0, &ed_kv); if (clib_bihash_add_del_16_8 (&tsm->in2out_ed, &ed_kv, 0)) nat_elog_warn ("in2out_ed key del failed"); @@ -242,11 +242,11 @@ create_session_for_static_mapping_ed (snat_main_t * sm, /* Add to lookup tables */ make_ed_kv (&e_key.addr, &s->ext_host_addr, ip->protocol, - e_key.fib_index, e_key.port, s->ext_host_port, + e_key.fib_index, e_key.port, s->ext_host_port, thread_index, s - tsm->sessions, &kv); ctx.now = now; ctx.thread_index = thread_index; - if (clib_bihash_add_or_overwrite_stale_16_8 (&tsm->out2in_ed, &kv, + if (clib_bihash_add_or_overwrite_stale_16_8 (&sm->out2in_ed, &kv, nat44_o2i_ed_is_idle_session_cb, &ctx)) nat_elog_notice ("out2in-ed key add failed"); @@ -262,7 +262,7 @@ create_session_for_static_mapping_ed (snat_main_t * sm, { b->error = node->errors[NAT_OUT2IN_ED_ERROR_OUT_OF_PORTS]; nat_ed_session_delete (sm, s, thread_index, 1); - if (clib_bihash_add_del_16_8 (&tsm->out2in_ed, &kv, 0)) + if (clib_bihash_add_del_16_8 (&sm->out2in_ed, &kv, 0)) nat_elog_notice ("out2in-ed key del failed"); return 0; } @@ -271,12 +271,12 @@ create_session_for_static_mapping_ed (snat_main_t * sm, s->flags |= SNAT_SESSION_FLAG_TWICE_NAT; make_ed_kv (&l_key.addr, &s->ext_host_nat_addr, ip->protocol, l_key.fib_index, l_key.port, s->ext_host_nat_port, - s - tsm->sessions, &kv); + thread_index, s - tsm->sessions, &kv); } else { make_ed_kv (&l_key.addr, &s->ext_host_addr, ip->protocol, - l_key.fib_index, l_key.port, s->ext_host_port, + l_key.fib_index, l_key.port, s->ext_host_port, thread_index, s - tsm->sessions, &kv); } if (clib_bihash_add_or_overwrite_stale_16_8 (&tsm->in2out_ed, &kv, @@ -315,7 +315,7 @@ next_src_nat (snat_main_t * sm, ip4_header_t * ip, u16 src_port, snat_main_per_thread_data_t *tsm = &sm->per_thread_data[thread_index]; make_ed_kv (&ip->src_address, &ip->dst_address, ip->protocol, - rx_fib_index, src_port, dst_port, ~0ULL, &kv); + rx_fib_index, src_port, dst_port, ~0, ~0, &kv); if (!clib_bihash_search_16_8 (&tsm->in2out_ed, &kv, &value)) return 1; @@ -337,7 +337,7 @@ create_bypass_for_fwd (snat_main_t * sm, vlib_buffer_t * b, ip4_header_t * ip, if (ip->protocol == IP_PROTOCOL_ICMP) { if (get_icmp_o2i_ed_key - (b, ip, rx_fib_index, ~0ULL, 0, &l_port, &r_port, &kv)) + (b, ip, rx_fib_index, ~0, ~0, 0, &l_port, &r_port, &kv)) return; } else @@ -354,12 +354,15 @@ create_bypass_for_fwd (snat_main_t * sm, vlib_buffer_t * b, ip4_header_t * ip, r_port = 0; } make_ed_kv (&ip->dst_address, &ip->src_address, ip->protocol, - rx_fib_index, l_port, r_port, ~0ULL, &kv); + rx_fib_index, l_port, r_port, ~0, ~0, &kv); } if (!clib_bihash_search_16_8 (&tsm->in2out_ed, &kv, &value)) { - s = pool_elt_at_index (tsm->sessions, value.value); + ASSERT (thread_index == ed_value_get_thread_index (&value)); + s = + pool_elt_at_index (tsm->sessions, + ed_value_get_session_index (&value)); } else { @@ -445,14 +448,14 @@ icmp_match_out2in_ed (snat_main_t * sm, vlib_node_runtime_t * node, rx_fib_index = ip4_fib_table_get_index_for_sw_if_index (sw_if_index); if (get_icmp_o2i_ed_key - (b, ip, rx_fib_index, ~0ULL, p_proto, &l_port, &r_port, &kv)) + (b, ip, rx_fib_index, ~0, ~0, p_proto, &l_port, &r_port, &kv)) { b->error = node->errors[NAT_OUT2IN_ED_ERROR_UNSUPPORTED_PROTOCOL]; next = NAT_NEXT_DROP; goto out; } - if (clib_bihash_search_16_8 (&tsm->out2in_ed, &kv, &value)) + if (clib_bihash_search_16_8 (&sm->out2in_ed, &kv, &value)) { /* Try to match static mapping */ e_key.addr = ip->dst_address; @@ -535,7 +538,10 @@ icmp_match_out2in_ed (snat_main_t * sm, vlib_node_runtime_t * node, goto out; } - s = pool_elt_at_index (tsm->sessions, value.value); + ASSERT (thread_index == ed_value_get_thread_index (&value)); + s = + pool_elt_at_index (tsm->sessions, + ed_value_get_session_index (&value)); } out: if (s) @@ -567,11 +573,14 @@ nat44_ed_out2in_unknown_proto (snat_main_t * sm, old_addr = ip->dst_address.as_u32; make_ed_kv (&ip->dst_address, &ip->src_address, ip->protocol, rx_fib_index, - 0, 0, ~0ULL, &s_kv); + 0, 0, ~0, ~0, &s_kv); - if (!clib_bihash_search_16_8 (&tsm->out2in_ed, &s_kv, &s_value)) + if (!clib_bihash_search_16_8 (&sm->out2in_ed, &s_kv, &s_value)) { - s = pool_elt_at_index (tsm->sessions, s_value.value); + ASSERT (thread_index == ed_value_get_thread_index (&s_value)); + s = + pool_elt_at_index (tsm->sessions, + ed_value_get_session_index (&s_value)); new_addr = ip->dst_address.as_u32 = s->in2out.addr.as_u32; } else @@ -618,11 +627,11 @@ nat44_ed_out2in_unknown_proto (snat_main_t * sm, /* Add to lookup tables */ s_kv.value = s - tsm->sessions; - if (clib_bihash_add_del_16_8 (&tsm->out2in_ed, &s_kv, 1)) + if (clib_bihash_add_del_16_8 (&sm->out2in_ed, &s_kv, 1)) nat_elog_notice ("out2in key add failed"); make_ed_kv (&ip->dst_address, &ip->src_address, ip->protocol, - m->fib_index, 0, 0, s - tsm->sessions, &s_kv); + m->fib_index, 0, 0, thread_index, s - tsm->sessions, &s_kv); if (clib_bihash_add_del_16_8 (&tsm->in2out_ed, &s_kv, 1)) nat_elog_notice ("in2out key add failed"); } @@ -646,7 +655,8 @@ nat44_ed_out2in_unknown_proto (snat_main_t * sm, static inline uword nat44_ed_out2in_fast_path_node_fn_inline (vlib_main_t * vm, vlib_node_runtime_t * node, - vlib_frame_t * frame) + vlib_frame_t * frame, + int is_multi_worker) { u32 n_left_from, *from, *to_next, pkts_processed = 0, stats_node_index; nat_next_t next_index; @@ -731,15 +741,45 @@ nat44_ed_out2in_fast_path_node_fn_inline (vlib_main_t * vm, make_ed_kv (&ip0->dst_address, &ip0->src_address, ip0->protocol, rx_fib_index0, vnet_buffer (b0)->ip.reass.l4_dst_port, - vnet_buffer (b0)->ip.reass.l4_src_port, ~0ULL, &kv0); + vnet_buffer (b0)->ip.reass.l4_src_port, ~0, ~0, &kv0); + + /* there is a stashed index in vnet_buffer2 from handoff node, + * see if we can use it */ + if (is_multi_worker && PREDICT_TRUE + (!pool_is_free_index + (tsm->sessions, + vnet_buffer2 (b0)->nat.ed_out2in_nat_session_index))) + { + s0 = pool_elt_at_index (tsm->sessions, + vnet_buffer2 (b0)-> + nat.ed_out2in_nat_session_index); + if (PREDICT_TRUE + (s0->out2in.addr.as_u32 == ip0->dst_address.as_u32 + && s0->out2in.port == + vnet_buffer (b0)->ip.reass.l4_dst_port + && s0->out2in.protocol == + ip_proto_to_nat_proto (ip0->protocol) + && s0->out2in.fib_index == rx_fib_index0 + && s0->ext_host_addr.as_u32 == ip0->src_address.as_u32 + && s0->ext_host_port == + vnet_buffer (b0)->ip.reass.l4_src_port)) + { + /* yes, this is the droid we're looking for */ + goto skip_lookup; + } + } - if (clib_bihash_search_16_8 (&tsm->out2in_ed, &kv0, &value0)) + if (clib_bihash_search_16_8 (&sm->out2in_ed, &kv0, &value0)) { next0 = NAT_NEXT_OUT2IN_ED_SLOW_PATH; goto trace0; } - s0 = pool_elt_at_index (tsm->sessions, value0.value); + ASSERT (thread_index == ed_value_get_thread_index (&value0)); + s0 = + pool_elt_at_index (tsm->sessions, + ed_value_get_session_index (&value0)); + skip_lookup: if (s0->tcp_closed_timestamp) { if (now >= s0->tcp_closed_timestamp) @@ -1017,12 +1057,15 @@ nat44_ed_out2in_slow_path_node_fn_inline (vlib_main_t * vm, make_ed_kv (&ip0->dst_address, &ip0->src_address, ip0->protocol, rx_fib_index0, vnet_buffer (b0)->ip.reass.l4_dst_port, - vnet_buffer (b0)->ip.reass.l4_src_port, ~0ULL, &kv0); + vnet_buffer (b0)->ip.reass.l4_src_port, ~0, ~0, &kv0); s0 = NULL; - if (!clib_bihash_search_16_8 (&tsm->out2in_ed, &kv0, &value0)) + if (!clib_bihash_search_16_8 (&sm->out2in_ed, &kv0, &value0)) { - s0 = pool_elt_at_index (tsm->sessions, value0.value); + ASSERT (thread_index == ed_value_get_thread_index (&value0)); + s0 = + pool_elt_at_index (tsm->sessions, + ed_value_get_session_index (&value0)); if (s0->tcp_closed_timestamp && now >= s0->tcp_closed_timestamp) { @@ -1256,7 +1299,14 @@ VLIB_NODE_FN (nat44_ed_out2in_node) (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame) { - return nat44_ed_out2in_fast_path_node_fn_inline (vm, node, frame); + if (snat_main.num_workers > 1) + { + return nat44_ed_out2in_fast_path_node_fn_inline (vm, node, frame, 1); + } + else + { + return nat44_ed_out2in_fast_path_node_fn_inline (vm, node, frame, 0); + } } /* *INDENT-OFF* */ diff --git a/src/vnet/buffer.h b/src/vnet/buffer.h index bdb58925bae..50515c435e2 100644 --- a/src/vnet/buffer.h +++ b/src/vnet/buffer.h @@ -458,7 +458,7 @@ typedef struct struct { u32 arc_next; - u32 unused; + u32 ed_out2in_nat_session_index; } nat; union |