+static nat44_lb_addr_port_t *
+unformat_nat44_lb_addr_port (vl_api_nat44_lb_addr_port_t * addr_port_pairs,
+ u32 addr_port_pair_num)
+{
+ u8 i;
+ nat44_lb_addr_port_t *lb_addr_port_pairs = 0, lb_addr_port;
+ vl_api_nat44_lb_addr_port_t *ap;
+
+ for (i = 0; i < addr_port_pair_num; i++)
+ {
+ ap = &addr_port_pairs[i];
+ clib_memset (&lb_addr_port, 0, sizeof (lb_addr_port));
+ clib_memcpy (&lb_addr_port.addr, ap->addr, 4);
+ lb_addr_port.port = clib_net_to_host_u16 (ap->port);
+ lb_addr_port.probability = ap->probability;
+ lb_addr_port.vrf_id = clib_net_to_host_u32 (ap->vrf_id);
+ vec_add1 (lb_addr_port_pairs, lb_addr_port);
+ }
+
+ return lb_addr_port_pairs;
+}
+
+static void
+ vl_api_nat44_add_del_lb_static_mapping_t_handler
+ (vl_api_nat44_add_del_lb_static_mapping_t * mp)
+{
+ snat_main_t *sm = &snat_main;
+ vl_api_nat44_add_del_lb_static_mapping_reply_t *rmp;
+ twice_nat_type_t twice_nat = TWICE_NAT_DISABLED;
+ int rv = 0;
+ nat44_lb_addr_port_t *locals = 0;
+ ip4_address_t e_addr;
+ snat_protocol_t proto;
+ u8 *tag = 0;
+
+ if (!sm->endpoint_dependent)
+ {
+ rv = VNET_API_ERROR_UNSUPPORTED;
+ goto send_reply;
+ }
+
+ locals =
+ unformat_nat44_lb_addr_port (mp->locals,
+ clib_net_to_host_u32 (mp->local_num));
+ clib_memcpy (&e_addr, mp->external_addr, 4);
+ proto = ip_proto_to_snat_proto (mp->protocol);
+
+ if (mp->flags & NAT_API_IS_TWICE_NAT)
+ twice_nat = TWICE_NAT;
+ else if (mp->flags & NAT_API_IS_SELF_TWICE_NAT)
+ twice_nat = TWICE_NAT_SELF;
+ mp->tag[sizeof (mp->tag) - 1] = 0;
+ tag = format (0, "%s", mp->tag);
+ vec_terminate_c_string (tag);
+
+ rv =
+ nat44_add_del_lb_static_mapping (e_addr,
+ clib_net_to_host_u16 (mp->external_port),
+ proto, locals, mp->is_add,
+ twice_nat,
+ mp->flags & NAT_API_IS_OUT2IN_ONLY, tag,
+ clib_net_to_host_u32 (mp->affinity));
+
+ vec_free (locals);
+ vec_free (tag);
+
+send_reply:
+ REPLY_MACRO (VL_API_NAT44_ADD_DEL_LB_STATIC_MAPPING_REPLY);
+}
+
+static void *vl_api_nat44_add_del_lb_static_mapping_t_print
+ (vl_api_nat44_add_del_lb_static_mapping_t * mp, void *handle)
+{
+ u8 *s;
+
+ s = format (0, "SCRIPT: nat44_add_del_lb_static_mapping ");
+ s = format (s, "is_add %d twice_nat %d out2in_only %d ",
+ mp->is_add,
+ mp->flags & NAT_API_IS_TWICE_NAT,
+ mp->flags & NAT_API_IS_OUT2IN_ONLY);
+
+ FINISH;
+}
+
+static void
+ vl_api_nat44_lb_static_mapping_add_del_local_t_handler
+ (vl_api_nat44_lb_static_mapping_add_del_local_t * mp)
+{
+ snat_main_t *sm = &snat_main;
+ vl_api_nat44_lb_static_mapping_add_del_local_reply_t *rmp;
+ int rv = 0;
+ ip4_address_t e_addr, l_addr;
+ snat_protocol_t proto;
+
+ if (!sm->endpoint_dependent)
+ {
+ rv = VNET_API_ERROR_UNSUPPORTED;
+ goto send_reply;
+ }
+
+ clib_memcpy (&e_addr, mp->external_addr, 4);
+ clib_memcpy (&l_addr, mp->local.addr, 4);
+ proto = ip_proto_to_snat_proto (mp->protocol);
+
+ rv =
+ nat44_lb_static_mapping_add_del_local (e_addr,
+ clib_net_to_host_u16
+ (mp->external_port), l_addr,
+ clib_net_to_host_u16 (mp->
+ local.port),
+ proto,
+ clib_net_to_host_u32 (mp->
+ local.vrf_id),
+ mp->local.probability, mp->is_add);
+
+send_reply:
+ REPLY_MACRO (VL_API_NAT44_LB_STATIC_MAPPING_ADD_DEL_LOCAL_REPLY);
+}
+
+static void *vl_api_nat44_lb_static_mapping_add_del_local_t_print
+ (vl_api_nat44_lb_static_mapping_add_del_local_t * mp, void *handle)
+{
+ u8 *s;
+
+ s = format (0, "SCRIPT: nat44_lb_static_mapping_add_del_local ");
+ s = format (s, "is_add %d", mp->is_add);
+
+ FINISH;
+}
+
+static void
+send_nat44_lb_static_mapping_details (snat_static_mapping_t * m,
+ vl_api_registration_t * reg,
+ u32 context)
+{
+ vl_api_nat44_lb_static_mapping_details_t *rmp;
+ snat_main_t *sm = &snat_main;
+ nat44_lb_addr_port_t *ap;
+ vl_api_nat44_lb_addr_port_t *locals;
+ u32 local_num = 0;
+
+ rmp =
+ vl_msg_api_alloc (sizeof (*rmp) +
+ (pool_elts (m->locals) *
+ sizeof (nat44_lb_addr_port_t)));
+ clib_memset (rmp, 0, sizeof (*rmp));
+ rmp->_vl_msg_id =
+ ntohs (VL_API_NAT44_LB_STATIC_MAPPING_DETAILS + sm->msg_id_base);
+
+ clib_memcpy (rmp->external_addr, &(m->external_addr), 4);
+ rmp->external_port = ntohs (m->external_port);
+ rmp->protocol = snat_proto_to_ip_proto (m->proto);
+ rmp->context = context;
+
+ if (m->twice_nat == TWICE_NAT)
+ rmp->flags |= NAT_API_IS_TWICE_NAT;
+ else if (m->twice_nat == TWICE_NAT_SELF)
+ rmp->flags |= NAT_API_IS_SELF_TWICE_NAT;
+ if (is_out2in_only_static_mapping (m))
+ rmp->flags |= NAT_API_IS_OUT2IN_ONLY;
+ if (m->tag)
+ strncpy ((char *) rmp->tag, (char *) m->tag, vec_len (m->tag));
+
+ locals = (vl_api_nat44_lb_addr_port_t *) rmp->locals;
+ /* *INDENT-OFF* */
+ pool_foreach (ap, m->locals,
+ ({
+ clib_memcpy (locals->addr, &(ap->addr), 4);
+ locals->port = htons (ap->port);
+ locals->probability = ap->probability;
+ locals->vrf_id = ntohl (ap->vrf_id);
+ locals++;
+ local_num++;
+ }));
+ /* *INDENT-ON* */
+ rmp->local_num = ntohl (local_num);
+
+ vl_api_send_msg (reg, (u8 *) rmp);
+}
+
+static void
+ vl_api_nat44_lb_static_mapping_dump_t_handler
+ (vl_api_nat44_lb_static_mapping_dump_t * mp)
+{
+ vl_api_registration_t *reg;
+ snat_main_t *sm = &snat_main;
+ snat_static_mapping_t *m;
+
+ if (!sm->endpoint_dependent)
+ return;
+
+ reg = vl_api_client_index_to_registration (mp->client_index);
+ if (!reg)
+ return;
+
+ /* *INDENT-OFF* */
+ pool_foreach (m, sm->static_mappings,
+ ({
+ if (is_lb_static_mapping(m))
+ send_nat44_lb_static_mapping_details (m, reg, mp->context);
+ }));
+ /* *INDENT-ON* */
+}
+
+static void *vl_api_nat44_lb_static_mapping_dump_t_print
+ (vl_api_nat44_lb_static_mapping_dump_t * mp, void *handle)
+{
+ u8 *s;
+
+ s = format (0, "SCRIPT: nat44_lb_static_mapping_dump ");
+
+ FINISH;
+}
+
+static void
+vl_api_nat44_del_session_t_handler (vl_api_nat44_del_session_t * mp)
+{
+ snat_main_t *sm = &snat_main;
+ vl_api_nat44_del_session_reply_t *rmp;
+ ip4_address_t addr, eh_addr;
+ u16 port, eh_port;
+ u32 vrf_id;
+ int rv = 0;
+ u8 is_in;
+ snat_protocol_t proto;
+
+ if (sm->deterministic)
+ {
+ rv = VNET_API_ERROR_UNSUPPORTED;
+ goto send_reply;
+ }
+
+ memcpy (&addr.as_u8, mp->address, 4);
+ port = clib_net_to_host_u16 (mp->port);
+ vrf_id = clib_net_to_host_u32 (mp->vrf_id);
+ proto = ip_proto_to_snat_proto (mp->protocol);
+ memcpy (&eh_addr.as_u8, mp->ext_host_address, 4);
+ eh_port = clib_net_to_host_u16 (mp->ext_host_port);
+
+ is_in = mp->flags & NAT_API_IS_INSIDE;
+
+ if (mp->flags & NAT_API_IS_EXT_HOST_VALID)
+ rv =
+ nat44_del_ed_session (sm, &addr, port, &eh_addr, eh_port, mp->protocol,
+ vrf_id, is_in);
+ else
+ rv = nat44_del_session (sm, &addr, port, proto, vrf_id, is_in);
+
+send_reply:
+ REPLY_MACRO (VL_API_NAT44_DEL_SESSION_REPLY);
+}
+
+static void *
+vl_api_nat44_del_session_t_print (vl_api_nat44_del_session_t * mp,
+ void *handle)
+{
+ u8 *s;
+
+ s = format (0, "SCRIPT: nat44_add_del_static_mapping ");
+ s = format (s, "addr %U port %d protocol %d vrf_id %d is_in %d",
+ format_ip4_address, mp->address,
+ clib_net_to_host_u16 (mp->port),
+ mp->protocol, clib_net_to_host_u32 (mp->vrf_id),
+ mp->flags & NAT_API_IS_INSIDE);
+ if (mp->flags & NAT_API_IS_EXT_HOST_VALID)
+ s = format (s, "ext_host_address %U ext_host_port %d",
+ format_ip4_address, mp->ext_host_address,
+ clib_net_to_host_u16 (mp->ext_host_port));
+
+ FINISH;
+}
+
+static void
+ vl_api_nat44_forwarding_enable_disable_t_handler
+ (vl_api_nat44_forwarding_enable_disable_t * mp)
+{
+ snat_main_t *sm = &snat_main;
+ vl_api_nat44_forwarding_enable_disable_reply_t *rmp;
+ int rv = 0;
+ u32 *ses_to_be_removed = 0, *ses_index;
+ snat_main_per_thread_data_t *tsm;
+ snat_session_t *s;
+
+ sm->forwarding_enabled = mp->enable != 0;
+
+ if (mp->enable == 0)
+ {
+ /* *INDENT-OFF* */
+ vec_foreach (tsm, sm->per_thread_data)
+ {
+ pool_foreach (s, tsm->sessions,
+ ({
+ if (is_fwd_bypass_session(s))
+ {
+ vec_add1 (ses_to_be_removed, s - tsm->sessions);
+ }
+ }));
+ vec_foreach (ses_index, ses_to_be_removed)
+ {
+ s = pool_elt_at_index(tsm->sessions, ses_index[0]);
+ nat_free_session_data (sm, s, tsm - sm->per_thread_data, 0);
+ nat44_delete_session (sm, s, tsm - sm->per_thread_data);
+ }
+ vec_free (ses_to_be_removed);
+ }
+ /* *INDENT-ON* */
+ }
+
+ REPLY_MACRO (VL_API_NAT44_FORWARDING_ENABLE_DISABLE_REPLY);
+}
+
+static void *vl_api_nat44_forwarding_enable_disable_t_print
+ (vl_api_nat44_forwarding_enable_disable_t * mp, void *handle)
+{
+ u8 *s;
+
+ s = format (0, "SCRIPT: nat44_forwarding_enable_disable ");
+ s = format (s, "enable %d", mp->enable != 0);
+
+ FINISH;
+}
+
+static void
+ vl_api_nat44_forwarding_is_enabled_t_handler
+ (vl_api_nat44_forwarding_is_enabled_t * mp)
+{
+ vl_api_registration_t *reg;
+ snat_main_t *sm = &snat_main;
+ vl_api_nat44_forwarding_is_enabled_reply_t *rmp;
+
+ reg = vl_api_client_index_to_registration (mp->client_index);
+ if (!reg)
+ return;
+
+ rmp = vl_msg_api_alloc (sizeof (*rmp));
+ clib_memset (rmp, 0, sizeof (*rmp));
+ rmp->_vl_msg_id =
+ ntohs (VL_API_NAT44_FORWARDING_IS_ENABLED_REPLY + sm->msg_id_base);
+ rmp->context = mp->context;
+
+ rmp->enabled = sm->forwarding_enabled;
+
+ vl_api_send_msg (reg, (u8 *) rmp);
+}
+
+static void *vl_api_nat44_forwarding_is_enabled_t_print
+ (vl_api_nat44_forwarding_is_enabled_t * mp, void *handle)
+{
+ u8 *s;
+
+ s = format (0, "SCRIPT: nat44_forwarding_is_enabled ");
+
+ FINISH;
+}
+