snat_main_t snat_main;
-/* *INDENT-OFF* */
+fib_source_t nat_fib_src_hi;
+fib_source_t nat_fib_src_low;
+/* *INDENT-OFF* */
/* Hook up input features */
+VNET_FEATURE_INIT (nat_pre_in2out, static) = {
+ .arc_name = "ip4-unicast",
+ .node_name = "nat-pre-in2out",
+ .runs_after = VNET_FEATURES ("acl-plugin-in-ip4-fa"),
+};
+VNET_FEATURE_INIT (nat_pre_out2in, static) = {
+ .arc_name = "ip4-unicast",
+ .node_name = "nat-pre-out2in",
+ .runs_after = VNET_FEATURES ("acl-plugin-in-ip4-fa",
+ "ip4-dhcp-client-detect"),
+};
+VNET_FEATURE_INIT (snat_in2out_worker_handoff, static) = {
+ .arc_name = "ip4-unicast",
+ .node_name = "nat44-in2out-worker-handoff",
+ .runs_after = VNET_FEATURES ("acl-plugin-in-ip4-fa"),
+};
+VNET_FEATURE_INIT (snat_out2in_worker_handoff, static) = {
+ .arc_name = "ip4-unicast",
+ .node_name = "nat44-out2in-worker-handoff",
+ .runs_after = VNET_FEATURES ("acl-plugin-in-ip4-fa",
+ "ip4-dhcp-client-detect"),
+};
VNET_FEATURE_INIT (ip4_snat_in2out, static) = {
.arc_name = "ip4-unicast",
.node_name = "nat44-in2out",
.node_name = "nat44-ed-classify",
.runs_after = VNET_FEATURES ("acl-plugin-in-ip4-fa"),
};
-VNET_FEATURE_INIT (ip4_snat_in2out_worker_handoff, static) = {
- .arc_name = "ip4-unicast",
- .node_name = "nat44-in2out-worker-handoff",
- .runs_after = VNET_FEATURES ("acl-plugin-in-ip4-fa"),
-};
-VNET_FEATURE_INIT (ip4_snat_out2in_worker_handoff, static) = {
- .arc_name = "ip4-unicast",
- .node_name = "nat44-out2in-worker-handoff",
- .runs_after = VNET_FEATURES ("acl-plugin-in-ip4-fa",
- "ip4-dhcp-client-detect"),
-};
VNET_FEATURE_INIT (ip4_nat_handoff_classify, static) = {
.arc_name = "ip4-unicast",
.node_name = "nat44-handoff-classify",
u->sessions_per_user_list_head_index);
oldest_elt = pool_elt_at_index (tsm->list_pool, oldest_index);
s = pool_elt_at_index (tsm->sessions, oldest_elt->value);
+
sess_timeout_time = s->last_heard + (f64) nat44_session_get_timeout (sm, s);
if (now >= sess_timeout_time)
{
if (is_add)
fib_table_entry_update_one_path (fib_index,
&prefix,
- FIB_SOURCE_PLUGIN_LOW,
+ nat_fib_src_low,
(FIB_ENTRY_FLAG_CONNECTED |
FIB_ENTRY_FLAG_LOCAL |
FIB_ENTRY_FLAG_EXCLUSIVE),
sw_if_index,
~0, 1, NULL, FIB_ROUTE_PATH_FLAG_NONE);
else
- fib_table_entry_delete (fib_index, &prefix, FIB_SOURCE_PLUGIN_LOW);
+ fib_table_entry_delete (fib_index, &prefix, nat_fib_src_low);
}
int
if (vrf_id != ~0)
ap->fib_index =
fib_table_find_or_create_and_lock (FIB_PROTOCOL_IP4, vrf_id,
- FIB_SOURCE_PLUGIN_LOW);
+ nat_fib_src_low);
else
ap->fib_index = ~0;
#define _(N, i, n, s) \
local->vrf_id = vrf_id;
local->fib_index =
fib_table_find_or_create_and_lock (FIB_PROTOCOL_IP4, vrf_id,
- FIB_SOURCE_PLUGIN_LOW);
+ nat_fib_src_low);
m_key.addr = m->local_addr;
m_key.port = m->local_port;
m_key.protocol = m->proto;
if (vrf_id != ~0)
fib_index =
fib_table_find_or_create_and_lock (FIB_PROTOCOL_IP4, vrf_id,
- FIB_SOURCE_PLUGIN_LOW);
+ nat_fib_src_low);
/* If not specified use inside VRF id from SNAT plugin startup config */
else
{
fib_index = sm->inside_fib_index;
vrf_id = sm->inside_vrf_id;
- fib_table_lock (fib_index, FIB_PROTOCOL_IP4, FIB_SOURCE_PLUGIN_LOW);
+ fib_table_lock (fib_index, FIB_PROTOCOL_IP4, nat_fib_src_low);
}
if (!(out2in_only || identity_nat))
ip4_header_t ip = {
.src_address = m->local_addr,
};
- vec_add1 (m->workers, sm->worker_in2out_cb (&ip, m->fib_index));
+ vec_add1 (m->workers, sm->worker_in2out_cb (&ip, m->fib_index, 0));
tsm = vec_elt_at_index (sm->per_thread_data, m->workers[0]);
}
else
}
}
- fib_table_unlock (fib_index, FIB_PROTOCOL_IP4, FIB_SOURCE_PLUGIN_LOW);
+ fib_table_unlock (fib_index, FIB_PROTOCOL_IP4, nat_fib_src_low);
if (pool_elts (m->locals))
return 0;
locals[i].fib_index =
fib_table_find_or_create_and_lock (FIB_PROTOCOL_IP4,
locals[i].vrf_id,
- FIB_SOURCE_PLUGIN_LOW);
+ nat_fib_src_low);
m_key.addr = locals[i].addr;
m_key.fib_index = locals[i].fib_index;
if (!out2in_only)
};
bitmap =
clib_bitmap_set (bitmap,
- sm->worker_in2out_cb (&ip, m->fib_index), 1);
+ sm->worker_in2out_cb (&ip, m->fib_index, 0),
+ 1);
}
}
pool_foreach (local, m->locals,
({
fib_table_unlock (local->fib_index, FIB_PROTOCOL_IP4,
- FIB_SOURCE_PLUGIN_LOW);
+ nat_fib_src_low);
m_key.addr = local->addr;
if (!out2in_only)
{
.src_address = local->addr,
};
tsm = vec_elt_at_index (sm->per_thread_data,
- sm->worker_in2out_cb (&ip, m->fib_index));
+ sm->worker_in2out_cb (&ip, m->fib_index, 0));
}
else
tsm = vec_elt_at_index (sm->per_thread_data, sm->num_workers);
local->vrf_id = vrf_id;
local->fib_index =
fib_table_find_or_create_and_lock (FIB_PROTOCOL_IP4, vrf_id,
- FIB_SOURCE_PLUGIN_LOW);
+ nat_fib_src_low);
if (!is_out2in_only_static_mapping (m))
{
return VNET_API_ERROR_UNSPECIFIED;
fib_table_unlock (match_local->fib_index, FIB_PROTOCOL_IP4,
- FIB_SOURCE_PLUGIN_LOW);
+ nat_fib_src_low);
if (!is_out2in_only_static_mapping (m))
{
.src_address = local->addr,
};
tsm = vec_elt_at_index (sm->per_thread_data,
- sm->worker_in2out_cb (&ip, m->fib_index));
+ sm->worker_in2out_cb (&ip, m->fib_index,
+ 0));
}
else
tsm = vec_elt_at_index (sm->per_thread_data, sm->num_workers);
ip4_header_t ip;
ip.src_address.as_u32 = local->addr.as_u32,
bitmap = clib_bitmap_set (bitmap,
- sm->worker_in2out_cb (&ip, local->fib_index),
+ sm->worker_in2out_cb (&ip, local->fib_index, 0),
1);
}
}));
}
if (a->fib_index != ~0)
- fib_table_unlock (a->fib_index, FIB_PROTOCOL_IP4, FIB_SOURCE_PLUGIN_LOW);
+ fib_table_unlock (a->fib_index, FIB_PROTOCOL_IP4, nat_fib_src_low);
/* Delete sessions using address */
if (a->busy_tcp_ports || a->busy_udp_ports || a->busy_icmp_ports)
else if (sm->deterministic)
feature_name = is_inside ? "nat44-det-in2out" : "nat44-det-out2in";
else if (sm->endpoint_dependent)
- feature_name = is_inside ? "nat44-ed-in2out" : "nat44-ed-out2in";
+ {
+ feature_name = is_inside ? "nat-pre-in2out" : "nat-pre-out2in";
+ }
else
feature_name = is_inside ? "nat44-in2out" : "nat44-out2in";
}
if (sm->fq_in2out_index == ~0 && !sm->deterministic && sm->num_workers > 1)
- sm->fq_in2out_index = vlib_frame_queue_main_init (sm->in2out_node_index,
- NAT_FQ_NELTS);
+ sm->fq_in2out_index =
+ vlib_frame_queue_main_init (sm->handoff_in2out_index, NAT_FQ_NELTS);
if (sm->fq_out2in_index == ~0 && !sm->deterministic && sm->num_workers > 1)
- sm->fq_out2in_index = vlib_frame_queue_main_init (sm->out2in_node_index,
- NAT_FQ_NELTS);
+ sm->fq_out2in_index =
+ vlib_frame_queue_main_init (sm->handoff_out2in_index, NAT_FQ_NELTS);
if (!is_inside)
{
else if (sm->endpoint_dependent)
{
del_feature_name = "nat44-ed-classify";
- feature_name = !is_inside ? "nat44-ed-in2out" :
- "nat44-ed-out2in";
+ feature_name = !is_inside ? "nat-pre-in2out" :
+ "nat-pre-out2in";
}
else
{
}
else if (sm->endpoint_dependent)
{
- del_feature_name = !is_inside ? "nat44-ed-in2out" :
- "nat44-ed-out2in";
+ del_feature_name = !is_inside ? "nat-pre-in2out" :
+ "nat-pre-out2in";
+
feature_name = "nat44-ed-classify";
}
else
{
if (sm->endpoint_dependent)
{
- vnet_feature_enable_disable ("ip4-unicast", "nat44-ed-out2in",
+ vnet_feature_enable_disable ("ip4-unicast", "nat-pre-out2in",
sw_if_index, !is_del, 0, 0);
vnet_feature_enable_disable ("ip4-output", "nat44-ed-in2out-output",
sw_if_index, !is_del, 0, 0);
fq:
if (sm->fq_in2out_output_index == ~0 && sm->num_workers > 1)
sm->fq_in2out_output_index =
- vlib_frame_queue_main_init (sm->in2out_output_node_index, 0);
+ vlib_frame_queue_main_init (sm->handoff_in2out_output_index, 0);
if (sm->fq_out2in_index == ~0 && sm->num_workers > 1)
sm->fq_out2in_index =
- vlib_frame_queue_main_init (sm->out2in_node_index, 0);
+ vlib_frame_queue_main_init (sm->handoff_out2in_index, 0);
/* *INDENT-OFF* */
pool_foreach (i, sm->output_feature_interfaces,
({
vec_add1(sm->workers, i);
sm->per_thread_data[sm->first_worker_index + i].snat_thread_index = j;
+ sm->per_thread_data[sm->first_worker_index + i].thread_index = i;
j++;
}));
/* *INDENT-ON* */
match = 1;
}
}));
+
+ pool_foreach (i, sm->output_feature_interfaces,
+ ({
+ if (i->sw_if_index == sw_if_index)
+ {
+ if (!(nat_interface_is_outside (i)))
+ return;
+ match = 1;
+ }
+ }));
/* *INDENT-ON* */
if (!match)
sm->vnet_main = vnet_get_main ();
sm->ip4_main = im;
sm->ip4_lookup_main = lm;
- sm->api_main = &api_main;
+ sm->api_main = vlibapi_get_main ();
sm->first_worker_index = 0;
sm->num_workers = 0;
sm->num_snat_thread = 1;
sm->fq_in2out_index = ~0;
sm->fq_in2out_output_index = ~0;
sm->fq_out2in_index = ~0;
- sm->udp_timeout = SNAT_UDP_TIMEOUT;
- sm->tcp_established_timeout = SNAT_TCP_ESTABLISHED_TIMEOUT;
- sm->tcp_transitory_timeout = SNAT_TCP_TRANSITORY_TIMEOUT;
- sm->icmp_timeout = SNAT_ICMP_TIMEOUT;
+
+
sm->alloc_addr_and_port = nat_alloc_addr_and_port_default;
sm->addr_and_port_alloc_alg = NAT_ADDR_AND_PORT_ALLOC_ALG_DEFAULT;
sm->forwarding_enabled = 0;
sm->log_class = vlib_log_register_class ("nat", 0);
- sm->log_level = SNAT_LOG_NONE;
+ sm->log_level = SNAT_LOG_ERROR;
sm->mss_clamping = 0;
node = vlib_get_node_by_name (vm, (u8 *) "error-drop");
sm->error_node_index = node->index;
+ node = vlib_get_node_by_name (vm, (u8 *) "nat-pre-in2out");
+ sm->pre_in2out_node_index = node->index;
+ node = vlib_get_node_by_name (vm, (u8 *) "nat-pre-out2in");
+ sm->pre_out2in_node_index = node->index;
+
+ node = vlib_get_node_by_name (vm, (u8 *) "nat-pre-in2out");
+ sm->pre_in2out_node_index = node->index;
+
+ node = vlib_get_node_by_name (vm, (u8 *) "nat-pre-out2in");
+ sm->pre_out2in_node_index = node->index;
+
node = vlib_get_node_by_name (vm, (u8 *) "nat44-in2out");
sm->in2out_node_index = node->index;
node = vlib_get_node_by_name (vm, (u8 *) "nat44-in2out-output");
};
vec_add1 (ip4_main.table_bind_callbacks, cbt4);
+ nat_fib_src_hi = fib_source_allocate ("nat-hi",
+ FIB_SOURCE_PRIORITY_HI,
+ FIB_SOURCE_BH_SIMPLE);
+ nat_fib_src_low = fib_source_allocate ("nat-low",
+ FIB_SOURCE_PRIORITY_LOW,
+ FIB_SOURCE_BH_SIMPLE);
+
/* Init virtual fragmenentation reassembly */
return nat_reass_init (vm);
}
.src_address = local->addr,
};
- if (sm->worker_in2out_cb (&ip, m->fib_index) ==
+ if (sm->worker_in2out_cb (&ip, m->fib_index, 0) ==
thread_index)
{
vec_add1 (tmp, i);
if (is_add)
{
nat_dpo_create (DPO_PROTO_IP4, 0, &dpo_v4);
- fib_table_entry_special_dpo_add (0, &pfx, FIB_SOURCE_PLUGIN_HI,
+ fib_table_entry_special_dpo_add (0, &pfx, nat_fib_src_hi,
FIB_ENTRY_FLAG_EXCLUSIVE, &dpo_v4);
dpo_reset (&dpo_v4);
}
else
{
- fib_table_entry_special_remove (0, &pfx, FIB_SOURCE_PLUGIN_HI);
+ fib_table_entry_special_remove (0, &pfx, nat_fib_src_hi);
}
}
}
static u32
-snat_get_worker_in2out_cb (ip4_header_t * ip0, u32 rx_fib_index0)
+snat_get_worker_in2out_cb (ip4_header_t * ip0, u32 rx_fib_index0,
+ u8 is_output)
{
snat_main_t *sm = &snat_main;
u32 next_worker_index = 0;
}
static u32
-snat_get_worker_out2in_cb (ip4_header_t * ip0, u32 rx_fib_index0)
+snat_get_worker_out2in_cb (ip4_header_t * ip0, u32 rx_fib_index0,
+ u8 is_output)
{
snat_main_t *sm = &snat_main;
udp_header_t *udp;
}
static u32
-nat44_ed_get_worker_out2in_cb (ip4_header_t * ip, u32 rx_fib_index)
+nat44_ed_get_worker_in2out_cb (ip4_header_t * ip, u32 rx_fib_index,
+ u8 is_output)
+{
+ snat_main_t *sm = &snat_main;
+ u32 next_worker_index = sm->first_worker_index;
+ u32 hash;
+
+ clib_bihash_kv_16_8_t kv16, value16;
+ snat_main_per_thread_data_t *tsm;
+ udp_header_t *udp;
+
+ if (PREDICT_FALSE (is_output))
+ {
+ u32 fib_index = sm->outside_fib_index;
+ nat_outside_fib_t *outside_fib;
+ fib_node_index_t fei = FIB_NODE_INDEX_INVALID;
+ fib_prefix_t pfx = {
+ .fp_proto = FIB_PROTOCOL_IP4,
+ .fp_len = 32,
+ .fp_addr = {
+ .ip4.as_u32 = ip->dst_address.as_u32,
+ }
+ ,
+ };
+
+ udp = ip4_next_header (ip);
+
+ switch (vec_len (sm->outside_fibs))
+ {
+ case 0:
+ fib_index = sm->outside_fib_index;
+ break;
+ case 1:
+ fib_index = sm->outside_fibs[0].fib_index;
+ break;
+ default:
+ /* *INDENT-OFF* */
+ vec_foreach (outside_fib, sm->outside_fibs)
+ {
+ fei = fib_table_lookup (outside_fib->fib_index, &pfx);
+ if (FIB_NODE_INDEX_INVALID != fei)
+ {
+ if (fib_entry_get_resolving_interface (fei) != ~0)
+ {
+ fib_index = outside_fib->fib_index;
+ break;
+ }
+ }
+ }
+ /* *INDENT-ON* */
+ break;
+ }
+
+ make_ed_kv (&kv16, &ip->src_address, &ip->dst_address,
+ ip->protocol, fib_index, udp->src_port, udp->dst_port);
+
+ /* *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* */
+ }
+
+ hash = ip->src_address.as_u32 + (ip->src_address.as_u32 >> 8) +
+ (ip->src_address.as_u32 >> 16) + (ip->src_address.as_u32 >> 24);
+
+ if (PREDICT_TRUE (is_pow2 (_vec_len (sm->workers))))
+ next_worker_index += sm->workers[hash & (_vec_len (sm->workers) - 1)];
+ else
+ next_worker_index += sm->workers[hash % _vec_len (sm->workers)];
+
+ if (PREDICT_TRUE (!is_output))
+ {
+ nat_elog_debug_handoff ("HANDOFF IN2OUT",
+ 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));
+ }
+ else
+ {
+ nat_elog_debug_handoff ("HANDOFF IN2OUT-OUTPUT-FEATURE",
+ 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;
+}
+
+static u32
+nat44_ed_get_worker_out2in_cb (ip4_header_t * ip, u32 rx_fib_index,
+ u8 is_output)
{
snat_main_t *sm = &snat_main;
clib_bihash_kv_8_8_t kv, value;
+ clib_bihash_kv_16_8_t kv16, value16;
+ snat_main_per_thread_data_t *tsm;
+
u32 proto, next_worker_index = 0;
udp_header_t *udp;
u16 port;
snat_static_mapping_t *m;
u32 hash;
+ proto = ip_proto_to_snat_proto (ip->protocol);
+
+ if (PREDICT_TRUE (proto == SNAT_PROTOCOL_UDP || proto == SNAT_PROTOCOL_TCP))
+ {
+ udp = ip4_next_header (ip);
+
+ make_ed_kv (&kv16, &ip->dst_address, &ip->src_address,
+ ip->protocol, rx_fib_index, udp->dst_port, udp->src_port);
+
+ /* *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* */
+ }
+ else if (proto == SNAT_PROTOCOL_ICMP)
+ {
+ nat_ed_ses_key_t key;
+
+ if (!get_icmp_o2i_ed_key (ip, &key))
+ {
+
+ key.fib_index = rx_fib_index;
+ kv16.key[0] = key.as_u64[0];
+ kv16.key[1] = key.as_u64[1];
+
+ /* *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* */
+ }
+ }
+
/* first try static mappings without port */
if (PREDICT_FALSE (pool_elts (sm->static_mappings)))
{
(&sm->static_mapping_by_external, &kv, &value))
{
m = pool_elt_at_index (sm->static_mappings, value.value);
- return m->workers[0];
+ next_worker_index = m->workers[0];
+ goto done;
}
}
- proto = ip_proto_to_snat_proto (ip->protocol);
-
/* unknown protocol */
if (PREDICT_FALSE (proto == ~0))
{
/* use current thread */
- return vlib_get_thread_index ();
+ next_worker_index = vlib_get_thread_index ();
+ goto done;
}
udp = ip4_next_header (ip);
port = ((tcp_udp_header_t *) l4_header)->src_port;
break;
default:
- return vlib_get_thread_index ();
+ next_worker_index = vlib_get_thread_index ();
+ goto done;
}
}
}
{
m = pool_elt_at_index (sm->static_mappings, value.value);
if (!is_lb_static_mapping (m))
- return m->workers[0];
+ {
+ next_worker_index = m->workers[0];
+ goto done;
+ }
hash = ip->src_address.as_u32 + (ip->src_address.as_u32 >> 8) +
(ip->src_address.as_u32 >> 16) + (ip->src_address.as_u32 >> 24);
if (PREDICT_TRUE (is_pow2 (_vec_len (m->workers))))
- return m->workers[hash & (_vec_len (m->workers) - 1)];
+ next_worker_index =
+ m->workers[hash & (_vec_len (m->workers) - 1)];
else
- return m->workers[hash % _vec_len (m->workers)];
+ next_worker_index = m->workers[hash % _vec_len (m->workers)];
+ goto done;
}
}
next_worker_index +=
sm->workers[(clib_net_to_host_u16 (port) - 1024) / sm->port_per_thread];
+done:
+ nat_elog_debug_handoff ("HANDOFF OUT2IN", 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;
}
{
snat_main_t *sm = &snat_main;
nat66_main_t *nm = &nat66_main;
- u32 translation_buckets = 1024;
- u32 translation_memory_size = 128 << 20;
- u32 user_buckets = 128;
- u32 user_memory_size = 64 << 20;
- u32 max_translations_per_user = 100;
- u32 outside_vrf_id = 0;
- u32 outside_ip6_vrf_id = 0;
- u32 inside_vrf_id = 0;
+ dslite_main_t *dm = &dslite_main;
+ snat_main_per_thread_data_t *tsm;
+
u32 static_mapping_buckets = 1024;
u32 static_mapping_memory_size = 64 << 20;
+
u32 nat64_bib_buckets = 1024;
u32 nat64_bib_memory_size = 128 << 20;
+
u32 nat64_st_buckets = 2048;
u32 nat64_st_memory_size = 256 << 20;
+
+ u32 user_buckets = 128;
+ u32 user_memory_size = 64 << 20;
+ u32 translation_buckets = 1024;
+ u32 translation_memory_size = 128 << 20;
+
+ u32 max_translations_per_user = ~0;
+
+ u32 outside_vrf_id = 0;
+ u32 outside_ip6_vrf_id = 0;
+ u32 inside_vrf_id = 0;
u8 static_mapping_only = 0;
u8 static_mapping_connection_tracking = 0;
- snat_main_per_thread_data_t *tsm;
- dslite_main_t *dm = &dslite_main;
+
+ u32 udp_timeout = SNAT_UDP_TIMEOUT;
+ u32 icmp_timeout = SNAT_ICMP_TIMEOUT;
+
+ u32 tcp_transitory_timeout = SNAT_TCP_TRANSITORY_TIMEOUT;
+ u32 tcp_established_timeout = SNAT_TCP_ESTABLISHED_TIMEOUT;
sm->deterministic = 0;
sm->out2in_dpo = 0;
if (unformat
(input, "translation hash buckets %d", &translation_buckets))
;
+ else if (unformat (input, "udp timeout %d", &udp_timeout))
+ ;
+ else if (unformat (input, "icmp timeout %d", &icmp_timeout))
+ ;
+ else if (unformat (input, "tcp transitory timeout %d",
+ &tcp_transitory_timeout));
+ else if (unformat (input, "tcp established timeout %d",
+ &tcp_established_timeout));
else if (unformat (input, "translation hash memory %d",
&translation_memory_size));
else if (unformat (input, "user hash buckets %d", &user_buckets))
return clib_error_return (0,
"out2in dpo mode available only for simple nat");
- /* for show commands, etc. */
+ /* optionally configurable timeouts for testing purposes */
+ sm->udp_timeout = udp_timeout;
+ sm->icmp_timeout = icmp_timeout;
+ sm->tcp_transitory_timeout = tcp_transitory_timeout;
+ sm->tcp_established_timeout = tcp_established_timeout;
+
+ sm->user_buckets = user_buckets;
+ sm->user_memory_size = user_memory_size;
+
sm->translation_buckets = translation_buckets;
sm->translation_memory_size = translation_memory_size;
+
/* do not exceed load factor 10 */
sm->max_translations = 10 * translation_buckets;
- sm->user_buckets = user_buckets;
- sm->user_memory_size = user_memory_size;
- sm->max_translations_per_user = max_translations_per_user;
+ sm->max_translations_per_user = max_translations_per_user == ~0 ?
+ sm->max_translations : max_translations_per_user;
+
sm->outside_vrf_id = outside_vrf_id;
sm->outside_fib_index = fib_table_find_or_create_and_lock (FIB_PROTOCOL_IP4,
outside_vrf_id,
- FIB_SOURCE_PLUGIN_HI);
+ nat_fib_src_hi);
nm->outside_vrf_id = outside_ip6_vrf_id;
nm->outside_fib_index = fib_table_find_or_create_and_lock (FIB_PROTOCOL_IP6,
outside_ip6_vrf_id,
- FIB_SOURCE_PLUGIN_HI);
+ nat_fib_src_hi);
sm->inside_vrf_id = inside_vrf_id;
sm->inside_fib_index = fib_table_find_or_create_and_lock (FIB_PROTOCOL_IP4,
inside_vrf_id,
- FIB_SOURCE_PLUGIN_HI);
+ nat_fib_src_hi);
sm->static_mapping_only = static_mapping_only;
sm->static_mapping_connection_tracking = static_mapping_connection_tracking;
{
if (sm->endpoint_dependent)
{
- sm->worker_in2out_cb = snat_get_worker_in2out_cb;
+ sm->worker_in2out_cb = nat44_ed_get_worker_in2out_cb;
sm->worker_out2in_cb = nat44_ed_get_worker_out2in_cb;
+
+ sm->handoff_out2in_index = nat_pre_out2in_node.index;
+ sm->handoff_in2out_index = nat_pre_in2out_node.index;
+ sm->handoff_in2out_output_index = nat44_ed_in2out_output_node.index;
+
sm->in2out_node_index = nat44_ed_in2out_node.index;
sm->in2out_output_node_index = nat44_ed_in2out_output_node.index;
sm->out2in_node_index = nat44_ed_out2in_node.index;
+
sm->icmp_match_in2out_cb = icmp_match_in2out_ed;
sm->icmp_match_out2in_cb = icmp_match_out2in_ed;
nat_affinity_init (vm);
{
sm->worker_in2out_cb = snat_get_worker_in2out_cb;
sm->worker_out2in_cb = snat_get_worker_out2in_cb;
+
+ sm->handoff_out2in_index = snat_in2out_node.index;
+ sm->handoff_in2out_index = snat_out2in_node.index;
+ sm->handoff_in2out_output_index = snat_in2out_output_node.index;
+
sm->in2out_node_index = snat_in2out_node.index;
sm->in2out_output_node_index = snat_in2out_output_node.index;
sm->out2in_node_index = snat_out2in_node.index;
if (sm->num_workers > 1)
tsm =
vec_elt_at_index (sm->per_thread_data,
- sm->worker_in2out_cb (&ip, fib_index));
+ sm->worker_in2out_cb (&ip, fib_index, 0));
else
tsm = vec_elt_at_index (sm->per_thread_data, sm->num_workers);
if (sm->num_workers > 1)
tsm =
vec_elt_at_index (sm->per_thread_data,
- sm->worker_in2out_cb (&ip, fib_index));
+ sm->worker_in2out_cb (&ip, fib_index, 0));
else
tsm = vec_elt_at_index (sm->per_thread_data, sm->num_workers);
sm->alloc_addr_and_port = nat_alloc_addr_and_port_default;
}
+VLIB_NODE_FN (nat_default_node) (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * frame)
+{
+ return 0;
+}
+
+/* *INDENT-OFF* */
+VLIB_REGISTER_NODE (nat_default_node) = {
+ .name = "nat-default",
+ .vector_size = sizeof (u32),
+ .format_trace = 0,
+ .type = VLIB_NODE_TYPE_INTERNAL,
+ .n_errors = 0,
+ .n_next_nodes = NAT_N_NEXT,
+ .next_nodes = {
+ [NAT_NEXT_DROP] = "error-drop",
+ [NAT_NEXT_ICMP_ERROR] = "ip4-icmp-error",
+ [NAT_NEXT_IN2OUT_PRE] = "nat-pre-in2out",
+ [NAT_NEXT_OUT2IN_PRE] = "nat-pre-out2in",
+ [NAT_NEXT_IN2OUT_ED_FAST_PATH] = "nat44-ed-in2out",
+ [NAT_NEXT_IN2OUT_ED_SLOW_PATH] = "nat44-ed-in2out-slowpath",
+ [NAT_NEXT_IN2OUT_ED_OUTPUT_SLOW_PATH] = "nat44-ed-in2out-output-slowpath",
+ [NAT_NEXT_IN2OUT_ED_REASS] = "nat44-ed-in2out-reass",
+ [NAT_NEXT_IN2OUT_ED_OUTPUT_REASS] = "nat44-ed-in2out-reass-output",
+ [NAT_NEXT_OUT2IN_ED_FAST_PATH] = "nat44-ed-out2in",
+ [NAT_NEXT_OUT2IN_ED_SLOW_PATH] = "nat44-ed-out2in-slowpath",
+ [NAT_NEXT_OUT2IN_ED_REASS] = "nat44-ed-out2in-reass",
+ },
+};
+/* *INDENT-ON* */
+
/*
* fd.io coding-style-patch-verification: ON
*