+++ /dev/null
-/*
- * Copyright (c) 2018 Cisco and/or its affiliates.
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at:
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-/**
- * @file
- * @brief NAT formatting
- */
-
-#include <nat/nat.h>
-#include <nat/nat_inlines.h>
-
-uword
-unformat_nat_protocol (unformat_input_t * input, va_list * args)
-{
- u32 *r = va_arg (*args, u32 *);
-
- if (0);
-#define _(N, i, n, s) else if (unformat (input, s)) *r = NAT_PROTOCOL_##N;
- foreach_nat_protocol
-#undef _
- else
- return 0;
- return 1;
-}
-
-u8 *
-format_nat_protocol (u8 * s, va_list * args)
-{
- u32 i = va_arg (*args, u32);
- u8 *t = 0;
-
- switch (i)
- {
-#define _(N, j, n, str) case NAT_PROTOCOL_##N: t = (u8 *) str; break;
- foreach_nat_protocol
-#undef _
- default:
- s = format (s, "unknown");
- return s;
- }
- s = format (s, "%s", t);
- return s;
-}
-
-u8 *
-format_nat_addr_and_port_alloc_alg (u8 * s, va_list * args)
-{
- u32 i = va_arg (*args, u32);
- u8 *t = 0;
-
- switch (i)
- {
-#define _(v, N, s) case NAT_ADDR_AND_PORT_ALLOC_ALG_##N: t = (u8 *) s; break;
- foreach_nat_addr_and_port_alloc_alg
-#undef _
- default:
- s = format (s, "unknown");
- return s;
- }
- s = format (s, "%s", t);
- return s;
-}
-
-u8 *
-format_snat_key (u8 * s, va_list * args)
-{
- u64 key = va_arg (*args, u64);
-
- ip4_address_t addr;
- u16 port;
- nat_protocol_t protocol;
- u32 fib_index;
-
- split_nat_key (key, &addr, &port, &fib_index, &protocol);
-
- s = format (s, "%U proto %U port %d fib %d",
- format_ip4_address, &addr,
- format_nat_protocol, protocol,
- clib_net_to_host_u16 (port), fib_index);
- return s;
-}
-
-u8 *
-format_snat_session_state (u8 * s, va_list * args)
-{
- u32 i = va_arg (*args, u32);
- u8 *t = 0;
-
- switch (i)
- {
-#define _(v, N, str) case SNAT_SESSION_##N: t = (u8 *) str; break;
- foreach_snat_session_state
-#undef _
- default:
- t = format (t, "unknown");
- }
- s = format (s, "%s", t);
- return s;
-}
-
-u8 *
-format_snat_session (u8 * s, va_list * args)
-{
- snat_main_per_thread_data_t *tsm =
- va_arg (*args, snat_main_per_thread_data_t *);
- snat_session_t *sess = va_arg (*args, snat_session_t *);
-
- if (snat_is_unk_proto_session (sess))
- {
- s = format (s, " i2o %U proto %u fib %u\n",
- format_ip4_address, &sess->in2out.addr,
- sess->in2out.port, sess->in2out.fib_index);
- s =
- format (s, " o2i %U proto %u fib %u\n", format_ip4_address,
- &sess->out2in.addr, sess->out2in.port, sess->out2in.fib_index);
- }
- else
- {
- s = format (s, " i2o %U proto %U port %d fib %d\n",
- format_ip4_address, &sess->in2out.addr,
- format_nat_protocol, sess->nat_proto,
- clib_net_to_host_u16 (sess->in2out.port),
- sess->in2out.fib_index);
- s = format (s, " o2i %U proto %U port %d fib %d\n",
- format_ip4_address, &sess->out2in.addr, format_nat_protocol,
- sess->nat_proto, clib_net_to_host_u16 (sess->out2in.port),
- sess->out2in.fib_index);
- }
- if (is_ed_session (sess) || is_fwd_bypass_session (sess))
- {
- if (is_twice_nat_session (sess))
- {
- s = format (s, " external host o2i %U:%d i2o %U:%d\n",
- format_ip4_address, &sess->ext_host_addr,
- clib_net_to_host_u16 (sess->ext_host_port),
- format_ip4_address, &sess->ext_host_nat_addr,
- clib_net_to_host_u16 (sess->ext_host_nat_port));
- }
- else
- {
- if (sess->ext_host_addr.as_u32)
- s = format (s, " external host %U:%u\n",
- format_ip4_address, &sess->ext_host_addr,
- clib_net_to_host_u16 (sess->ext_host_port));
- }
- s = format (s, " i2o flow: %U\n", format_nat_6t_flow, &sess->i2o);
- s = format (s, " o2i flow: %U\n", format_nat_6t_flow, &sess->o2i);
- }
- s = format (s, " index %llu\n", sess - tsm->sessions);
- s = format (s, " last heard %.2f\n", sess->last_heard);
- s = format (s, " total pkts %d, total bytes %lld\n",
- sess->total_pkts, sess->total_bytes);
- if (snat_is_session_static (sess))
- s = format (s, " static translation\n");
- else
- s = format (s, " dynamic translation\n");
- if (is_fwd_bypass_session (sess))
- s = format (s, " forwarding-bypass\n");
- if (is_lb_session (sess))
- s = format (s, " load-balancing\n");
- if (is_twice_nat_session (sess))
- s = format (s, " twice-nat\n");
-
- return s;
-}
-
-u8 *
-format_snat_user (u8 * s, va_list * args)
-{
- snat_main_per_thread_data_t *tsm =
- va_arg (*args, snat_main_per_thread_data_t *);
- snat_user_t *u = va_arg (*args, snat_user_t *);
- int verbose = va_arg (*args, int);
- dlist_elt_t *head, *elt;
- u32 elt_index, head_index;
- u32 session_index;
- snat_session_t *sess;
-
- s = format (s, "%U: %d dynamic translations, %d static translations\n",
- format_ip4_address, &u->addr, u->nsessions, u->nstaticsessions);
-
- if (verbose == 0)
- return s;
-
- if (u->nsessions || u->nstaticsessions)
- {
- head_index = u->sessions_per_user_list_head_index;
- head = pool_elt_at_index (tsm->list_pool, head_index);
-
- elt_index = head->next;
- elt = pool_elt_at_index (tsm->list_pool, elt_index);
- session_index = elt->value;
-
- while (session_index != ~0)
- {
- sess = pool_elt_at_index (tsm->sessions, session_index);
-
- s = format (s, " %U\n", format_snat_session, tsm, sess);
-
- elt_index = elt->next;
- elt = pool_elt_at_index (tsm->list_pool, elt_index);
- session_index = elt->value;
- }
- }
-
- return s;
-}
-
-u8 *
-format_snat_static_mapping (u8 * s, va_list * args)
-{
- snat_static_mapping_t *m = va_arg (*args, snat_static_mapping_t *);
- nat44_lb_addr_port_t *local;
-
- if (is_identity_static_mapping (m))
- {
- if (is_addr_only_static_mapping (m))
- s = format (s, "identity mapping %U",
- format_ip4_address, &m->local_addr);
- else
- s = format (s, "identity mapping %U %U:%d",
- format_nat_protocol, m->proto,
- format_ip4_address, &m->local_addr,
- clib_net_to_host_u16 (m->local_port));
-
- /* *INDENT-OFF* */
- pool_foreach (local, m->locals)
- {
- s = format (s, " vrf %d", local->vrf_id);
- }
- /* *INDENT-ON* */
-
- return s;
- }
-
- if (is_addr_only_static_mapping (m))
- s = format (s, "local %U external %U vrf %d %s %s",
- format_ip4_address, &m->local_addr,
- format_ip4_address, &m->external_addr,
- m->vrf_id,
- m->twice_nat == TWICE_NAT ? "twice-nat" :
- m->twice_nat == TWICE_NAT_SELF ? "self-twice-nat" : "",
- is_out2in_only_static_mapping (m) ? "out2in-only" : "");
- else
- {
- if (is_lb_static_mapping (m))
- {
- s = format (s, "%U external %U:%d %s %s",
- format_nat_protocol, m->proto,
- format_ip4_address, &m->external_addr,
- clib_net_to_host_u16 (m->external_port),
- m->twice_nat == TWICE_NAT ? "twice-nat" :
- m->twice_nat == TWICE_NAT_SELF ? "self-twice-nat" : "",
- is_out2in_only_static_mapping (m) ? "out2in-only" : "");
-
- /* *INDENT-OFF* */
- pool_foreach (local, m->locals)
- {
- s = format (s, "\n local %U:%d vrf %d probability %d\%",
- format_ip4_address, &local->addr,
- clib_net_to_host_u16 (local->port),
- local->vrf_id, local->probability);
- }
- /* *INDENT-ON* */
-
- }
- else
- s = format (s, "%U local %U:%d external %U:%d vrf %d %s %s",
- format_nat_protocol, m->proto,
- format_ip4_address, &m->local_addr,
- clib_net_to_host_u16 (m->local_port),
- format_ip4_address, &m->external_addr,
- clib_net_to_host_u16 (m->external_port),
- m->vrf_id,
- m->twice_nat == TWICE_NAT ? "twice-nat" :
- m->twice_nat == TWICE_NAT_SELF ? "self-twice-nat" : "",
- is_out2in_only_static_mapping (m) ? "out2in-only" : "");
- }
- return s;
-}
-
-u8 *
-format_snat_static_map_to_resolve (u8 * s, va_list * args)
-{
- snat_static_map_resolve_t *m = va_arg (*args, snat_static_map_resolve_t *);
- vnet_main_t *vnm = vnet_get_main ();
-
- if (m->addr_only)
- s = format (s, "local %U external %U vrf %d",
- format_ip4_address, &m->l_addr,
- format_vnet_sw_if_index_name, vnm, m->sw_if_index, m->vrf_id);
- else
- s = format (s, "%U local %U:%d external %U:%d vrf %d",
- format_nat_protocol, m->proto,
- format_ip4_address, &m->l_addr,
- clib_net_to_host_u16 (m->l_port),
- format_vnet_sw_if_index_name, vnm, m->sw_if_index,
- clib_net_to_host_u16 (m->e_port), m->vrf_id);
-
- return s;
-}
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */
Code Review / vpp.git / blobdiff