#include <vnet/ip/ip.h>
#include <vnet/ip/ip4.h>
#include <vnet/plugin/plugin.h>
-#include <vlibapi/api.h>
#include <snat/snat.h>
#include <snat/snat_ipfix_logging.h>
#include <snat/snat_det.h>
+#include <snat/nat64.h>
#include <vnet/fib/fib_table.h>
#include <vnet/fib/ip4_fib.h>
-#include <vlibapi/api.h>
-#include <vlibmemory/api.h>
-#include <vlibsocket/api.h>
#include <vpp/app/version.h>
snat_main_t snat_main;
-/* define message IDs */
-#include <snat/snat_msg_enum.h>
-
-/* define message structures */
-#define vl_typedefs
-#include <snat/snat_all_api_h.h>
-#undef vl_typedefs
-
-/* define generated endian-swappers */
-#define vl_endianfun
-#include <snat/snat_all_api_h.h>
-#undef vl_endianfun
-
-#define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
-
-/* Get the API version number */
-#define vl_api_version(n,v) static u32 api_version=(v);
-#include <snat/snat_all_api_h.h>
-#undef vl_api_version
-
-/* Macro to finish up custom dump fns */
-#define FINISH \
- vec_add1 (s, 0); \
- vl_print (handle, (char *)s); \
- vec_free (s); \
- return handle;
-
-/*
- * A handy macro to set up a message reply.
- * Assumes that the following variables are available:
- * mp - pointer to request message
- * rmp - pointer to reply message type
- * rv - return value
- */
-
-#define REPLY_MACRO(t) \
-do { \
- unix_shared_memory_queue_t * q = \
- vl_api_client_index_to_input_queue (mp->client_index); \
- if (!q) \
- return; \
- \
- rmp = vl_msg_api_alloc (sizeof (*rmp)); \
- rmp->_vl_msg_id = ntohs((t)+sm->msg_id_base); \
- rmp->context = mp->context; \
- rmp->retval = ntohl(rv); \
- \
- vl_msg_api_send_shmem (q, (u8 *)&rmp); \
-} while(0);
-
-#define REPLY_MACRO2(t, body) \
-do { \
- unix_shared_memory_queue_t * q = \
- vl_api_client_index_to_input_queue (mp->client_index); \
- if (!q) \
- return; \
- \
- rmp = vl_msg_api_alloc (sizeof (*rmp)); \
- rmp->_vl_msg_id = ntohs((t)+sm->msg_id_base); \
- rmp->context = mp->context; \
- rmp->retval = ntohl(rv); \
- do {body;} while (0); \
- vl_msg_api_send_shmem (q, (u8 *)&rmp); \
-} while(0);
-
/* Hook up input features */
VNET_FEATURE_INIT (ip4_snat_in2out, static) = {
/* *INDENT-OFF* */
VLIB_PLUGIN_REGISTER () = {
.version = VPP_BUILD_VER,
+ .description = "Network Address Translation",
};
/* *INDENT-ON* */
-/*$$$$$ move to an installed header file */
-#if (1 || CLIB_DEBUG > 0) /* "trust, but verify" */
-
-#define VALIDATE_SW_IF_INDEX(mp) \
- do { u32 __sw_if_index = ntohl(mp->sw_if_index); \
- vnet_main_t *__vnm = vnet_get_main(); \
- if (pool_is_free_index(__vnm->interface_main.sw_interfaces, \
- __sw_if_index)) { \
- rv = VNET_API_ERROR_INVALID_SW_IF_INDEX; \
- goto bad_sw_if_index; \
- } \
-} while(0);
-
-#define BAD_SW_IF_INDEX_LABEL \
-do { \
-bad_sw_if_index: \
- ; \
-} while (0);
-
-#define VALIDATE_RX_SW_IF_INDEX(mp) \
- do { u32 __rx_sw_if_index = ntohl(mp->rx_sw_if_index); \
- vnet_main_t *__vnm = vnet_get_main(); \
- if (pool_is_free_index(__vnm->interface_main.sw_interfaces, \
- __rx_sw_if_index)) { \
- rv = VNET_API_ERROR_INVALID_SW_IF_INDEX; \
- goto bad_rx_sw_if_index; \
- } \
-} while(0);
-
-#define BAD_RX_SW_IF_INDEX_LABEL \
-do { \
-bad_rx_sw_if_index: \
- ; \
-} while (0);
-
-#define VALIDATE_TX_SW_IF_INDEX(mp) \
- do { u32 __tx_sw_if_index = ntohl(mp->tx_sw_if_index); \
- vnet_main_t *__vnm = vnet_get_main(); \
- if (pool_is_free_index(__vnm->interface_main.sw_interfaces, \
- __tx_sw_if_index)) { \
- rv = VNET_API_ERROR_INVALID_SW_IF_INDEX; \
- goto bad_tx_sw_if_index; \
- } \
-} while(0);
-
-#define BAD_TX_SW_IF_INDEX_LABEL \
-do { \
-bad_tx_sw_if_index: \
- ; \
-} while (0);
-
-#else
-
-#define VALIDATE_SW_IF_INDEX(mp)
-#define BAD_SW_IF_INDEX_LABEL
-#define VALIDATE_RX_SW_IF_INDEX(mp)
-#define BAD_RX_SW_IF_INDEX_LABEL
-#define VALIDATE_TX_SW_IF_INDEX(mp)
-#define BAD_TX_SW_IF_INDEX_LABEL
-
-#endif /* CLIB_DEBUG > 0 */
-
/**
* @brief Add/del NAT address to FIB.
*
return 0;
}
-static void increment_v4_address (ip4_address_t * a)
+void increment_v4_address (ip4_address_t * a)
{
u32 v;
}
}));
- vec_foreach (ses_index, ses_to_be_removed)
- pool_put_index (tsm->sessions, ses_index[0]);
-
- vec_free (ses_to_be_removed);
- }
- }
-
- vec_del1 (sm->addresses, i);
-
- /* Delete external address from FIB */
- pool_foreach (interface, sm->interfaces,
- ({
- if (interface->is_inside)
- continue;
-
- snat_add_del_addr_to_fib(&addr, 32, interface->sw_if_index, 0);
- break;
- }));
-
- return 0;
-}
-
-static int snat_interface_add_del (u32 sw_if_index, u8 is_inside, int is_del)
-{
- snat_main_t *sm = &snat_main;
- snat_interface_t *i;
- const char * feature_name;
- snat_address_t * ap;
- snat_static_mapping_t * m;
- snat_det_map_t * dm;
-
- if (sm->static_mapping_only && !(sm->static_mapping_connection_tracking))
- feature_name = is_inside ? "snat-in2out-fast" : "snat-out2in-fast";
- else
- {
- if (sm->num_workers > 1 && !sm->deterministic)
- feature_name = is_inside ? "snat-in2out-worker-handoff" : "snat-out2in-worker-handoff";
- else if (sm->deterministic)
- feature_name = is_inside ? "snat-det-in2out" : "snat-det-out2in";
- else
- feature_name = is_inside ? "snat-in2out" : "snat-out2in";
- }
-
- vnet_feature_enable_disable ("ip4-unicast", feature_name, sw_if_index,
- !is_del, 0, 0);
-
- 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, 0);
-
- 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, 0);
-
- pool_foreach (i, sm->interfaces,
- ({
- if (i->sw_if_index == sw_if_index)
- {
- if (is_del)
- pool_put (sm->interfaces, i);
- else
- return VNET_API_ERROR_VALUE_EXIST;
-
- goto fib;
- }
- }));
-
- if (is_del)
- return VNET_API_ERROR_NO_SUCH_ENTRY;
-
- pool_get (sm->interfaces, i);
- i->sw_if_index = sw_if_index;
- i->is_inside = is_inside;
-
- /* Add/delete external addresses to FIB */
-fib:
- if (is_inside)
- return 0;
-
- vec_foreach (ap, sm->addresses)
- snat_add_del_addr_to_fib(&ap->addr, 32, sw_if_index, !is_del);
-
- pool_foreach (m, sm->static_mappings,
- ({
- if (!(m->addr_only))
- continue;
-
- snat_add_del_addr_to_fib(&m->external_addr, 32, sw_if_index, !is_del);
- }));
-
- pool_foreach (dm, sm->det_maps,
- ({
- snat_add_del_addr_to_fib(&dm->out_addr, dm->out_plen, sw_if_index, !is_del);
- }));
-
- return 0;
-}
-
-static int snat_set_workers (uword * bitmap)
-{
- snat_main_t *sm = &snat_main;
- int i;
-
- if (sm->num_workers < 2)
- return VNET_API_ERROR_FEATURE_DISABLED;
-
- if (clib_bitmap_last_set (bitmap) >= sm->num_workers)
- return VNET_API_ERROR_INVALID_WORKER;
-
- vec_free (sm->workers);
- clib_bitmap_foreach (i, bitmap,
- ({
- vec_add1(sm->workers, i);
- }));
-
- return 0;
-}
-
-static void
-vl_api_snat_add_address_range_t_handler
-(vl_api_snat_add_address_range_t * mp)
-{
- snat_main_t * sm = &snat_main;
- vl_api_snat_add_address_range_reply_t * rmp;
- ip4_address_t this_addr;
- u32 start_host_order, end_host_order;
- u32 vrf_id;
- int i, count;
- int rv = 0;
- u32 * tmp;
-
- if (mp->is_ip4 != 1)
- {
- rv = VNET_API_ERROR_UNIMPLEMENTED;
- goto send_reply;
- }
-
- if (sm->static_mapping_only)
- {
- rv = VNET_API_ERROR_FEATURE_DISABLED;
- goto send_reply;
- }
-
- tmp = (u32 *) mp->first_ip_address;
- start_host_order = clib_host_to_net_u32 (tmp[0]);
- tmp = (u32 *) mp->last_ip_address;
- end_host_order = clib_host_to_net_u32 (tmp[0]);
-
- count = (end_host_order - start_host_order) + 1;
-
- vrf_id = clib_host_to_net_u32 (mp->vrf_id);
-
- if (count > 1024)
- clib_warning ("%U - %U, %d addresses...",
- format_ip4_address, mp->first_ip_address,
- format_ip4_address, mp->last_ip_address,
- count);
-
- memcpy (&this_addr.as_u8, mp->first_ip_address, 4);
-
- for (i = 0; i < count; i++)
- {
- if (mp->is_add)
- snat_add_address (sm, &this_addr, vrf_id);
- else
- rv = snat_del_address (sm, this_addr, 0);
-
- if (rv)
- goto send_reply;
-
- increment_v4_address (&this_addr);
- }
-
- send_reply:
- REPLY_MACRO (VL_API_SNAT_ADD_ADDRESS_RANGE_REPLY);
-}
-
-static void *vl_api_snat_add_address_range_t_print
-(vl_api_snat_add_address_range_t *mp, void * handle)
-{
- u8 * s;
-
- s = format (0, "SCRIPT: snat_add_address_range ");
- s = format (s, "%U ", format_ip4_address, mp->first_ip_address);
- if (memcmp (mp->first_ip_address, mp->last_ip_address, 4))
- {
- s = format (s, " - %U ", format_ip4_address, mp->last_ip_address);
- }
- FINISH;
-}
-
-static void
-send_snat_address_details
-(snat_address_t * a, unix_shared_memory_queue_t * q, u32 context)
-{
- vl_api_snat_address_details_t *rmp;
- snat_main_t * sm = &snat_main;
-
- rmp = vl_msg_api_alloc (sizeof (*rmp));
- memset (rmp, 0, sizeof (*rmp));
- rmp->_vl_msg_id = ntohs (VL_API_SNAT_ADDRESS_DETAILS+sm->msg_id_base);
- rmp->is_ip4 = 1;
- clib_memcpy (rmp->ip_address, &(a->addr), 4);
- if (a->fib_index != ~0)
- rmp->vrf_id = ntohl(ip4_fib_get(a->fib_index)->table_id);
- else
- rmp->vrf_id = ~0;
- rmp->context = context;
-
- vl_msg_api_send_shmem (q, (u8 *) & rmp);
-}
-
-static void
-vl_api_snat_address_dump_t_handler
-(vl_api_snat_address_dump_t * mp)
-{
- unix_shared_memory_queue_t *q;
- snat_main_t * sm = &snat_main;
- snat_address_t * a;
-
- q = vl_api_client_index_to_input_queue (mp->client_index);
- if (q == 0)
- return;
-
- vec_foreach (a, sm->addresses)
- send_snat_address_details (a, q, mp->context);
-}
-
-static void *vl_api_snat_address_dump_t_print
-(vl_api_snat_address_dump_t *mp, void * handle)
-{
- u8 *s;
-
- s = format (0, "SCRIPT: snat_address_dump ");
-
- FINISH;
-}
-
-static void
-vl_api_snat_interface_add_del_feature_t_handler
-(vl_api_snat_interface_add_del_feature_t * mp)
-{
- snat_main_t * sm = &snat_main;
- vl_api_snat_interface_add_del_feature_reply_t * rmp;
- u8 is_del = mp->is_add == 0;
- u32 sw_if_index = ntohl(mp->sw_if_index);
- int rv = 0;
-
- VALIDATE_SW_IF_INDEX(mp);
-
- rv = snat_interface_add_del (sw_if_index, mp->is_inside, is_del);
-
- BAD_SW_IF_INDEX_LABEL;
-
- REPLY_MACRO(VL_API_SNAT_INTERFACE_ADD_DEL_FEATURE_REPLY);
-}
-
-static void *vl_api_snat_interface_add_del_feature_t_print
-(vl_api_snat_interface_add_del_feature_t * mp, void *handle)
-{
- u8 * s;
-
- s = format (0, "SCRIPT: snat_interface_add_del_feature ");
- s = format (s, "sw_if_index %d %s %s",
- clib_host_to_net_u32(mp->sw_if_index),
- mp->is_inside ? "in":"out",
- mp->is_add ? "" : "del");
-
- FINISH;
-}
-
-static void
-send_snat_interface_details
-(snat_interface_t * i, unix_shared_memory_queue_t * q, u32 context)
-{
- vl_api_snat_interface_details_t *rmp;
- snat_main_t * sm = &snat_main;
-
- rmp = vl_msg_api_alloc (sizeof (*rmp));
- memset (rmp, 0, sizeof (*rmp));
- rmp->_vl_msg_id = ntohs (VL_API_SNAT_INTERFACE_DETAILS+sm->msg_id_base);
- rmp->sw_if_index = ntohl (i->sw_if_index);
- rmp->is_inside = i->is_inside;
- rmp->context = context;
-
- vl_msg_api_send_shmem (q, (u8 *) & rmp);
-}
-
-static void
-vl_api_snat_interface_dump_t_handler
-(vl_api_snat_interface_dump_t * mp)
-{
- unix_shared_memory_queue_t *q;
- snat_main_t * sm = &snat_main;
- snat_interface_t * i;
-
- q = vl_api_client_index_to_input_queue (mp->client_index);
- if (q == 0)
- return;
-
- pool_foreach (i, sm->interfaces,
- ({
- send_snat_interface_details(i, q, mp->context);
- }));
-}
-
-static void *vl_api_snat_interface_dump_t_print
-(vl_api_snat_interface_dump_t *mp, void * handle)
-{
- u8 *s;
-
- s = format (0, "SCRIPT: snat_interface_dump ");
-
- FINISH;
-}static void
-
-vl_api_snat_add_static_mapping_t_handler
-(vl_api_snat_add_static_mapping_t * mp)
-{
- snat_main_t * sm = &snat_main;
- vl_api_snat_add_static_mapping_reply_t * rmp;
- ip4_address_t local_addr, external_addr;
- u16 local_port = 0, external_port = 0;
- u32 vrf_id, external_sw_if_index;
- int rv = 0;
- snat_protocol_t proto;
-
- if (mp->is_ip4 != 1)
- {
- rv = VNET_API_ERROR_UNIMPLEMENTED;
- goto send_reply;
- }
-
- memcpy (&local_addr.as_u8, mp->local_ip_address, 4);
- memcpy (&external_addr.as_u8, mp->external_ip_address, 4);
- if (mp->addr_only == 0)
- {
- local_port = clib_net_to_host_u16 (mp->local_port);
- external_port = clib_net_to_host_u16 (mp->external_port);
- }
- vrf_id = clib_net_to_host_u32 (mp->vrf_id);
- external_sw_if_index = clib_net_to_host_u32 (mp->external_sw_if_index);
- proto = ip_proto_to_snat_proto (mp->protocol);
-
- rv = snat_add_static_mapping(local_addr, external_addr, local_port,
- external_port, vrf_id, mp->addr_only,
- external_sw_if_index, proto, mp->is_add);
-
- send_reply:
- REPLY_MACRO (VL_API_SNAT_ADD_ADDRESS_RANGE_REPLY);
-}
-
-static void *vl_api_snat_add_static_mapping_t_print
-(vl_api_snat_add_static_mapping_t *mp, void * handle)
-{
- u8 * s;
-
- s = format (0, "SCRIPT: snat_add_static_mapping ");
- s = format (s, "protocol %d local_addr %U external_addr %U ",
- mp->protocol,
- format_ip4_address, mp->local_ip_address,
- format_ip4_address, mp->external_ip_address);
-
- if (mp->addr_only == 0)
- s = format (s, "local_port %d external_port %d ",
- clib_net_to_host_u16 (mp->local_port),
- clib_net_to_host_u16 (mp->external_port));
-
- if (mp->vrf_id != ~0)
- s = format (s, "vrf %d", clib_net_to_host_u32 (mp->vrf_id));
-
- if (mp->external_sw_if_index != ~0)
- s = format (s, "external_sw_if_index %d",
- clib_net_to_host_u32 (mp->external_sw_if_index));
- FINISH;
-}
-
-static void
-send_snat_static_mapping_details
-(snat_static_mapping_t * m, unix_shared_memory_queue_t * q, u32 context)
-{
- vl_api_snat_static_mapping_details_t *rmp;
- snat_main_t * sm = &snat_main;
-
- rmp = vl_msg_api_alloc (sizeof (*rmp));
- memset (rmp, 0, sizeof (*rmp));
- rmp->_vl_msg_id = ntohs (VL_API_SNAT_STATIC_MAPPING_DETAILS+sm->msg_id_base);
- rmp->is_ip4 = 1;
- rmp->addr_only = m->addr_only;
- clib_memcpy (rmp->local_ip_address, &(m->local_addr), 4);
- clib_memcpy (rmp->external_ip_address, &(m->external_addr), 4);
- rmp->local_port = htons (m->local_port);
- rmp->external_port = htons (m->external_port);
- rmp->external_sw_if_index = ~0;
- rmp->vrf_id = htonl (m->vrf_id);
- rmp->protocol = snat_proto_to_ip_proto (m->proto);
- rmp->context = context;
-
- vl_msg_api_send_shmem (q, (u8 *) & rmp);
-}
-
-static void
-send_snat_static_map_resolve_details
-(snat_static_map_resolve_t * m, unix_shared_memory_queue_t * q, u32 context)
-{
- vl_api_snat_static_mapping_details_t *rmp;
- snat_main_t * sm = &snat_main;
-
- rmp = vl_msg_api_alloc (sizeof (*rmp));
- memset (rmp, 0, sizeof (*rmp));
- rmp->_vl_msg_id = ntohs (VL_API_SNAT_STATIC_MAPPING_DETAILS+sm->msg_id_base);
- rmp->is_ip4 = 1;
- rmp->addr_only = m->addr_only;
- clib_memcpy (rmp->local_ip_address, &(m->l_addr), 4);
- rmp->local_port = htons (m->l_port);
- rmp->external_port = htons (m->e_port);
- rmp->external_sw_if_index = htonl (m->sw_if_index);
- rmp->vrf_id = htonl (m->vrf_id);
- rmp->protocol = snat_proto_to_ip_proto (m->proto);
- rmp->context = context;
-
- vl_msg_api_send_shmem (q, (u8 *) & rmp);
-}
-
-static void
-vl_api_snat_static_mapping_dump_t_handler
-(vl_api_snat_static_mapping_dump_t * mp)
-{
- unix_shared_memory_queue_t *q;
- snat_main_t * sm = &snat_main;
- snat_static_mapping_t * m;
- snat_static_map_resolve_t *rp;
- int j;
-
- q = vl_api_client_index_to_input_queue (mp->client_index);
- if (q == 0)
- return;
-
- pool_foreach (m, sm->static_mappings,
- ({
- send_snat_static_mapping_details (m, q, mp->context);
- }));
-
- for (j = 0; j < vec_len (sm->to_resolve); j++)
- {
- rp = sm->to_resolve + j;
- send_snat_static_map_resolve_details (rp, q, mp->context);
- }
-}
-
-static void *vl_api_snat_static_mapping_dump_t_print
-(vl_api_snat_static_mapping_dump_t *mp, void * handle)
-{
- u8 *s;
-
- s = format (0, "SCRIPT: snat_static_mapping_dump ");
-
- FINISH;
-}
-
-static void
-vl_api_snat_control_ping_t_handler
-(vl_api_snat_control_ping_t * mp)
-{
- vl_api_snat_control_ping_reply_t *rmp;
- snat_main_t * sm = &snat_main;
- int rv = 0;
-
- REPLY_MACRO2(VL_API_SNAT_CONTROL_PING_REPLY,
- ({
- rmp->vpe_pid = ntohl (getpid());
- }));
-}
-
-static void *vl_api_snat_control_ping_t_print
-(vl_api_snat_control_ping_t *mp, void * handle)
-{
- u8 *s;
-
- s = format (0, "SCRIPT: snat_control_ping ");
-
- FINISH;
-}
-
-static void
-vl_api_snat_show_config_t_handler
-(vl_api_snat_show_config_t * mp)
-{
- vl_api_snat_show_config_reply_t *rmp;
- snat_main_t * sm = &snat_main;
- int rv = 0;
-
- REPLY_MACRO2(VL_API_SNAT_SHOW_CONFIG_REPLY,
- ({
- rmp->translation_buckets = htonl (sm->translation_buckets);
- rmp->translation_memory_size = htonl (sm->translation_memory_size);
- rmp->user_buckets = htonl (sm->user_buckets);
- rmp->user_memory_size = htonl (sm->user_memory_size);
- rmp->max_translations_per_user = htonl (sm->max_translations_per_user);
- rmp->outside_vrf_id = htonl (sm->outside_vrf_id);
- rmp->inside_vrf_id = htonl (sm->inside_vrf_id);
- rmp->static_mapping_only = sm->static_mapping_only;
- rmp->static_mapping_connection_tracking =
- sm->static_mapping_connection_tracking;
- rmp->deterministic = sm->deterministic;
- }));
-}
-
-static void *vl_api_snat_show_config_t_print
-(vl_api_snat_show_config_t *mp, void * handle)
-{
- u8 *s;
-
- s = format (0, "SCRIPT: snat_show_config ");
-
- FINISH;
-}
-
-static void
-vl_api_snat_set_workers_t_handler
-(vl_api_snat_set_workers_t * mp)
-{
- snat_main_t * sm = &snat_main;
- vl_api_snat_set_workers_reply_t * rmp;
- int rv = 0;
- uword *bitmap = 0;
- u64 mask = clib_net_to_host_u64 (mp->worker_mask);
-
- if (sm->num_workers < 2)
- {
- rv = VNET_API_ERROR_FEATURE_DISABLED;
- goto send_reply;
- }
-
- bitmap = clib_bitmap_set_multiple (bitmap, 0, mask, BITS (mask));
- rv = snat_set_workers(bitmap);
- clib_bitmap_free (bitmap);
-
- send_reply:
- REPLY_MACRO (VL_API_SNAT_SET_WORKERS_REPLY);
-}
-
-static void *vl_api_snat_set_workers_t_print
-(vl_api_snat_set_workers_t *mp, void * handle)
-{
- u8 * s;
- uword *bitmap = 0;
- u8 first = 1;
- int i;
- u64 mask = clib_net_to_host_u64 (mp->worker_mask);
-
- s = format (0, "SCRIPT: snat_set_workers ");
- bitmap = clib_bitmap_set_multiple (bitmap, 0, mask, BITS (mask));
- clib_bitmap_foreach (i, bitmap,
- ({
- if (first)
- s = format (s, "%d", i);
- else
- s = format (s, ",%d", i);
- first = 0;
- }));
- clib_bitmap_free (bitmap);
- FINISH;
-}
-
-static void
-send_snat_worker_details
-(u32 worker_index, unix_shared_memory_queue_t * q, u32 context)
-{
- vl_api_snat_worker_details_t *rmp;
- snat_main_t * sm = &snat_main;
- vlib_worker_thread_t *w =
- vlib_worker_threads + worker_index + sm->first_worker_index;
-
- rmp = vl_msg_api_alloc (sizeof (*rmp));
- memset (rmp, 0, sizeof (*rmp));
- rmp->_vl_msg_id = ntohs (VL_API_SNAT_WORKER_DETAILS+sm->msg_id_base);
- rmp->context = context;
- rmp->worker_index = htonl (worker_index);
- rmp->lcore_id = htonl (w->lcore_id);
- strncpy ((char *) rmp->name, (char *) w->name, ARRAY_LEN (rmp->name) - 1);
-
- vl_msg_api_send_shmem (q, (u8 *) & rmp);
-}
-
-static void
-vl_api_snat_worker_dump_t_handler
-(vl_api_snat_worker_dump_t * mp)
-{
- unix_shared_memory_queue_t *q;
- snat_main_t * sm = &snat_main;
- u32 * worker_index;
-
- q = vl_api_client_index_to_input_queue (mp->client_index);
- if (q == 0)
- return;
-
- vec_foreach (worker_index, sm->workers)
- {
- send_snat_worker_details(*worker_index, q, mp->context);
- }
-}
-
-static void *vl_api_snat_worker_dump_t_print
-(vl_api_snat_worker_dump_t *mp, void * handle)
-{
- u8 *s;
-
- s = format (0, "SCRIPT: snat_worker_dump ");
-
- FINISH;
-}
-
-static int snat_add_interface_address(snat_main_t *sm,
- u32 sw_if_index,
- int is_del);
-
-static void
-vl_api_snat_add_del_interface_addr_t_handler
-(vl_api_snat_add_del_interface_addr_t * mp)
-{
- snat_main_t * sm = &snat_main;
- vl_api_snat_add_del_interface_addr_reply_t * rmp;
- u8 is_del = mp->is_add == 0;
- u32 sw_if_index = ntohl(mp->sw_if_index);
- int rv = 0;
-
- VALIDATE_SW_IF_INDEX(mp);
-
- rv = snat_add_interface_address (sm, sw_if_index, is_del);
-
- BAD_SW_IF_INDEX_LABEL;
-
- REPLY_MACRO(VL_API_SNAT_ADD_DEL_INTERFACE_ADDR_REPLY);
-}
-
-static void *vl_api_snat_add_del_interface_addr_t_print
-(vl_api_snat_add_del_interface_addr_t * mp, void *handle)
-{
- u8 * s;
-
- s = format (0, "SCRIPT: snat_add_del_interface_addr ");
- s = format (s, "sw_if_index %d %s",
- clib_host_to_net_u32(mp->sw_if_index),
- mp->is_add ? "" : "del");
-
- FINISH;
-}
-
-static void
-send_snat_interface_addr_details
-(u32 sw_if_index, unix_shared_memory_queue_t * q, u32 context)
-{
- vl_api_snat_interface_addr_details_t *rmp;
- snat_main_t * sm = &snat_main;
-
- rmp = vl_msg_api_alloc (sizeof (*rmp));
- memset (rmp, 0, sizeof (*rmp));
- rmp->_vl_msg_id = ntohs (VL_API_SNAT_INTERFACE_ADDR_DETAILS+sm->msg_id_base);
- rmp->sw_if_index = ntohl (sw_if_index);
- rmp->context = context;
-
- vl_msg_api_send_shmem (q, (u8 *) & rmp);
-}
-
-static void
-vl_api_snat_interface_addr_dump_t_handler
-(vl_api_snat_interface_addr_dump_t * mp)
-{
- unix_shared_memory_queue_t *q;
- snat_main_t * sm = &snat_main;
- u32 * i;
-
- q = vl_api_client_index_to_input_queue (mp->client_index);
- if (q == 0)
- return;
-
- vec_foreach (i, sm->auto_add_sw_if_indices)
- send_snat_interface_addr_details(*i, q, mp->context);
-}
-
-static void *vl_api_snat_interface_addr_dump_t_print
-(vl_api_snat_interface_addr_dump_t *mp, void * handle)
-{
- u8 *s;
-
- s = format (0, "SCRIPT: snat_interface_addr_dump ");
-
- FINISH;
-}
-
-static void
-vl_api_snat_ipfix_enable_disable_t_handler
-(vl_api_snat_ipfix_enable_disable_t * mp)
-{
- snat_main_t * sm = &snat_main;
- vl_api_snat_ipfix_enable_disable_reply_t * rmp;
- int rv = 0;
-
- rv = snat_ipfix_logging_enable_disable(mp->enable,
- clib_host_to_net_u32 (mp->domain_id),
- clib_host_to_net_u16 (mp->src_port));
-
- REPLY_MACRO (VL_API_SNAT_IPFIX_ENABLE_DISABLE_REPLY);
-}
-
-static void *vl_api_snat_ipfix_enable_disable_t_print
-(vl_api_snat_ipfix_enable_disable_t *mp, void * handle)
-{
- u8 * s;
-
- s = format (0, "SCRIPT: snat_ipfix_enable_disable ");
- if (mp->domain_id)
- s = format (s, "domain %d ", clib_net_to_host_u32 (mp->domain_id));
- if (mp->src_port)
- s = format (s, "src_port %d ", clib_net_to_host_u16 (mp->src_port));
- if (!mp->enable)
- s = format (s, "disable ");
-
- FINISH;
-}
-
-static void
-send_snat_user_details
-(snat_user_t * u, unix_shared_memory_queue_t * q, u32 context)
-{
- vl_api_snat_user_details_t * rmp;
- snat_main_t * sm = &snat_main;
- ip4_fib_t * fib_table;
-
- rmp = vl_msg_api_alloc (sizeof (*rmp));
- memset (rmp, 0, sizeof (*rmp));
- rmp->_vl_msg_id = ntohs (VL_API_SNAT_USER_DETAILS+sm->msg_id_base);
-
- fib_table = ip4_fib_get(u->fib_index);
- rmp->vrf_id = ntohl (fib_table->table_id);
-
- rmp->is_ip4 = 1;
- clib_memcpy(rmp->ip_address, &(u->addr), 4);
- rmp->nsessions = ntohl (u->nsessions);
- rmp->nstaticsessions = ntohl (u->nstaticsessions);
- rmp->context = context;
-
- vl_msg_api_send_shmem (q, (u8 *) & rmp);
-}
-
-static void
-vl_api_snat_user_dump_t_handler
-(vl_api_snat_user_dump_t * mp)
-{
- unix_shared_memory_queue_t *q;
- snat_main_t * sm = &snat_main;
- snat_main_per_thread_data_t * tsm;
- snat_user_t * u;
-
- q = vl_api_client_index_to_input_queue (mp->client_index);
- if (q == 0)
- return;
-
- vec_foreach (tsm, sm->per_thread_data)
- vec_foreach (u, tsm->users)
- send_snat_user_details (u, q, mp->context);
-}
-
-static void *vl_api_snat_user_dump_t_print
-(vl_api_snat_user_dump_t *mp, void * handle)
-{
- u8 *s;
-
- s = format (0, "SCRIPT: snat_user_dump ");
-
- FINISH;
-}
-
-static void
-send_snat_user_session_details
-(snat_session_t * s, unix_shared_memory_queue_t * q, u32 context)
-{
- vl_api_snat_user_session_details_t * rmp;
- snat_main_t * sm = &snat_main;
-
- rmp = vl_msg_api_alloc (sizeof(*rmp));
- memset (rmp, 0, sizeof (*rmp));
- rmp->_vl_msg_id = ntohs (VL_API_SNAT_USER_SESSION_DETAILS+sm->msg_id_base);
- rmp->is_ip4 = 1;
- clib_memcpy(rmp->outside_ip_address, (&s->out2in.addr), 4);
- rmp->outside_port = s->out2in.port;
- clib_memcpy(rmp->inside_ip_address, (&s->in2out.addr), 4);
- rmp->inside_port = s->in2out.port;
- rmp->protocol = ntohs(snat_proto_to_ip_proto(s->in2out.protocol));
- rmp->is_static = s->flags & SNAT_SESSION_FLAG_STATIC_MAPPING ? 1 : 0;
- rmp->last_heard = clib_host_to_net_u64((u64)s->last_heard);
- rmp->total_bytes = clib_host_to_net_u64(s->total_bytes);
- rmp->total_pkts = ntohl(s->total_pkts);
- rmp->context = context;
-
- vl_msg_api_send_shmem (q, (u8 *) & rmp);
-}
-
-static void
-vl_api_snat_user_session_dump_t_handler
-(vl_api_snat_user_session_dump_t * mp)
-{
- unix_shared_memory_queue_t *q;
- snat_main_t * sm = &snat_main;
- snat_main_per_thread_data_t *tsm;
- snat_session_t * s;
- clib_bihash_kv_8_8_t key, value;
- snat_user_key_t ukey;
- snat_user_t * u;
- u32 session_index, head_index, elt_index;
- dlist_elt_t * head, * elt;
-
- q = vl_api_client_index_to_input_queue (mp->client_index);
- if (q == 0)
- return;
- if (!mp->is_ip4)
- return;
-
- clib_memcpy (&ukey.addr, mp->ip_address, 4);
- ukey.fib_index = ip4_fib_index_from_table_id (ntohl(mp->vrf_id));
- key.key = ukey.as_u64;
- if (!clib_bihash_search_8_8 (&sm->worker_by_in, &key, &value))
- tsm = vec_elt_at_index (sm->per_thread_data, value.value);
- else
- tsm = vec_elt_at_index (sm->per_thread_data, sm->num_workers);
- if (clib_bihash_search_8_8 (&sm->user_hash, &key, &value))
- return;
- u = pool_elt_at_index (tsm->users, value.value);
- if (!u->nsessions && !u->nstaticsessions)
- return;
-
- 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)
- {
- s = pool_elt_at_index (tsm->sessions, session_index);
-
- send_snat_user_session_details (s, q, mp->context);
-
- elt_index = elt->next;
- elt = pool_elt_at_index (tsm->list_pool, elt_index);
- session_index = elt->value;
- }
-}
-
-static void *vl_api_snat_user_session_dump_t_print
-(vl_api_snat_user_session_dump_t *mp, void * handle)
-{
- u8 *s;
-
- s = format (0, "SCRIPT: snat_user_session_dump ");
- s = format (s, "ip_address %U vrf_id %d\n",
- format_ip4_address, mp->ip_address,
- clib_net_to_host_u32 (mp->vrf_id));
-
- FINISH;
-}
-
-static void
-vl_api_snat_add_det_map_t_handler
-(vl_api_snat_add_det_map_t * mp)
-{
- snat_main_t * sm = &snat_main;
- vl_api_snat_add_det_map_reply_t * rmp;
- int rv = 0;
- ip4_address_t in_addr, out_addr;
-
- clib_memcpy(&in_addr, mp->in_addr, 4);
- clib_memcpy(&out_addr, mp->out_addr, 4);
- rv = snat_det_add_map(sm, &in_addr, mp->in_plen, &out_addr,
- mp->out_plen, mp->is_add);
-
- REPLY_MACRO (VL_API_SNAT_ADD_DET_MAP_REPLY);
-}
-
-static void *vl_api_snat_add_det_map_t_print
-(vl_api_snat_add_det_map_t *mp, void * handle)
-{
- u8 * s;
-
- s = format (0, "SCRIPT: snat_add_det_map ");
- s = format (s, "inside address %U/%d outside address %U/%d\n",
- format_ip4_address, mp->in_addr, mp->in_plen,
- format_ip4_address, mp->out_addr, mp->out_plen);
-
- FINISH;
-}
-
-static void
-vl_api_snat_det_forward_t_handler
-(vl_api_snat_det_forward_t * mp)
-{
- snat_main_t * sm = &snat_main;
- vl_api_snat_det_forward_reply_t * rmp;
- int rv = 0;
- u16 lo_port = 0, hi_port = 0;
- snat_det_map_t * dm;
- ip4_address_t in_addr, out_addr;
+ vec_foreach (ses_index, ses_to_be_removed)
+ pool_put_index (tsm->sessions, ses_index[0]);
- out_addr.as_u32 = 0;
- clib_memcpy(&in_addr, mp->in_addr, 4);
- dm = snat_det_map_by_user(sm, &in_addr);
- if (!dm)
- {
- rv = VNET_API_ERROR_NO_SUCH_ENTRY;
- goto send_reply;
+ vec_free (ses_to_be_removed);
+ }
}
- snat_det_forward(dm, &in_addr, &out_addr, &lo_port);
- hi_port = lo_port + dm->ports_per_host - 1;
+ vec_del1 (sm->addresses, i);
-send_reply:
- REPLY_MACRO2(VL_API_SNAT_DET_FORWARD_REPLY,
+ /* Delete external address from FIB */
+ pool_foreach (interface, sm->interfaces,
({
- rmp->out_port_lo = ntohs(lo_port);
- rmp->out_port_hi = ntohs(hi_port);
- rmp->is_ip4 = 1;
- memset(rmp->out_addr, 0, 16);
- clib_memcpy(rmp->out_addr, &out_addr, 4);
- }))
-}
-
-static void *vl_api_snat_det_forward_t_print
-(vl_api_snat_det_forward_t * mp, void * handle)
-{
- u8 * s;
+ if (interface->is_inside)
+ continue;
- s = format (0, "SCRIPT: smat_det_forward_t");
- s = format (s, "inside ip address %U\n",
- format_ip4_address, mp->in_addr);
+ snat_add_del_addr_to_fib(&addr, 32, interface->sw_if_index, 0);
+ break;
+ }));
- FINISH;
+ return 0;
}
-static void
-vl_api_snat_det_reverse_t_handler
-(vl_api_snat_det_reverse_t * mp)
+int snat_interface_add_del (u32 sw_if_index, u8 is_inside, int is_del)
{
- snat_main_t * sm = &snat_main;
- vl_api_snat_det_reverse_reply_t * rmp;
- int rv = 0;
- ip4_address_t out_addr, in_addr;
+ snat_main_t *sm = &snat_main;
+ snat_interface_t *i;
+ const char * feature_name;
+ snat_address_t * ap;
+ snat_static_mapping_t * m;
snat_det_map_t * dm;
- in_addr.as_u32 = 0;
- clib_memcpy(&out_addr, mp->out_addr, 4);
- dm = snat_det_map_by_out(sm, &out_addr);
- if (!dm)
+ if (sm->static_mapping_only && !(sm->static_mapping_connection_tracking))
+ feature_name = is_inside ? "snat-in2out-fast" : "snat-out2in-fast";
+ else
{
- rv = VNET_API_ERROR_NO_SUCH_ENTRY;
- goto send_reply;
+ if (sm->num_workers > 1 && !sm->deterministic)
+ feature_name = is_inside ? "snat-in2out-worker-handoff" : "snat-out2in-worker-handoff";
+ else if (sm->deterministic)
+ feature_name = is_inside ? "snat-det-in2out" : "snat-det-out2in";
+ else
+ feature_name = is_inside ? "snat-in2out" : "snat-out2in";
}
- snat_det_reverse(dm, &out_addr, htons(mp->out_port), &in_addr);
+ vnet_feature_enable_disable ("ip4-unicast", feature_name, sw_if_index,
+ !is_del, 0, 0);
- send_reply:
- REPLY_MACRO2(VL_API_SNAT_DET_REVERSE_REPLY,
- ({
- rmp->is_ip4 = 1;
- memset(rmp->in_addr, 0, 16);
- clib_memcpy(rmp->in_addr, &in_addr, 4);
- }))
-}
+ 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, 0);
-static void *vl_api_snat_det_reverse_t_print
-(vl_api_snat_det_reverse_t * mp, void * handle)
-{
- u8 * s;
+ 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, 0);
- s = format(0, "SCRIPT: smat_det_reverse_t");
- s = format(s, "outside ip address %U outside port %d",
- format_ip4_address, mp->out_addr, ntohs(mp->out_port));
+ pool_foreach (i, sm->interfaces,
+ ({
+ if (i->sw_if_index == sw_if_index)
+ {
+ if (is_del)
+ pool_put (sm->interfaces, i);
+ else
+ return VNET_API_ERROR_VALUE_EXIST;
- FINISH;
-}
+ goto fib;
+ }
+ }));
-static void
-sent_snat_det_map_details
-(snat_det_map_t * m, unix_shared_memory_queue_t * q, u32 context)
-{
- vl_api_snat_det_map_details_t *rmp;
- snat_main_t * sm = &snat_main;
+ if (is_del)
+ return VNET_API_ERROR_NO_SUCH_ENTRY;
- rmp = vl_msg_api_alloc (sizeof (*rmp));
- memset (rmp, 0, sizeof (*rmp));
- rmp->_vl_msg_id = ntohs (VL_API_SNAT_DET_MAP_DETAILS+sm->msg_id_base);
- rmp->is_ip4 = 1;
- clib_memcpy (rmp->in_addr, &m->in_addr, 4);
- rmp->in_plen = m->in_plen;
- clib_memcpy (rmp->out_addr, &m->out_addr, 4);
- rmp->out_plen = m->out_plen;
- rmp->sharing_ratio = htonl (m->sharing_ratio);
- rmp->ports_per_host = htons (m->ports_per_host);
- rmp->ses_num = htonl (m->ses_num);
- rmp->context = context;
-
- vl_msg_api_send_shmem (q, (u8 *) & rmp);
-}
+ pool_get (sm->interfaces, i);
+ i->sw_if_index = sw_if_index;
+ i->is_inside = is_inside;
-static void
-vl_api_snat_det_map_dump_t_handler
-(vl_api_snat_det_map_dump_t * mp)
-{
- unix_shared_memory_queue_t *q;
- snat_main_t * sm = &snat_main;
- snat_det_map_t * m;
+ /* Add/delete external addresses to FIB */
+fib:
+ if (is_inside)
+ return 0;
- q = vl_api_client_index_to_input_queue (mp->client_index);
- if (q == 0)
- return;
+ vec_foreach (ap, sm->addresses)
+ snat_add_del_addr_to_fib(&ap->addr, 32, sw_if_index, !is_del);
- vec_foreach(m, sm->det_maps)
- sent_snat_det_map_details(m, q, mp->context);
-}
+ pool_foreach (m, sm->static_mappings,
+ ({
+ if (!(m->addr_only))
+ continue;
-static void * vl_api_snat_det_map_dump_t_print
-(vl_api_snat_det_map_dump_t *mp, void * handle)
-{
- u8 * s;
+ snat_add_del_addr_to_fib(&m->external_addr, 32, sw_if_index, !is_del);
+ }));
- s = format (0, "SCRIPT: snat_det_map_dump ");
+ pool_foreach (dm, sm->det_maps,
+ ({
+ snat_add_del_addr_to_fib(&dm->out_addr, dm->out_plen, sw_if_index, !is_del);
+ }));
- FINISH;
+ return 0;
}
-/* List of message types that this plugin understands */
-#define foreach_snat_plugin_api_msg \
-_(SNAT_ADD_ADDRESS_RANGE, snat_add_address_range) \
-_(SNAT_INTERFACE_ADD_DEL_FEATURE, snat_interface_add_del_feature) \
-_(SNAT_ADD_STATIC_MAPPING, snat_add_static_mapping) \
-_(SNAT_CONTROL_PING, snat_control_ping) \
-_(SNAT_STATIC_MAPPING_DUMP, snat_static_mapping_dump) \
-_(SNAT_SHOW_CONFIG, snat_show_config) \
-_(SNAT_ADDRESS_DUMP, snat_address_dump) \
-_(SNAT_INTERFACE_DUMP, snat_interface_dump) \
-_(SNAT_SET_WORKERS, snat_set_workers) \
-_(SNAT_WORKER_DUMP, snat_worker_dump) \
-_(SNAT_ADD_DEL_INTERFACE_ADDR, snat_add_del_interface_addr) \
-_(SNAT_INTERFACE_ADDR_DUMP, snat_interface_addr_dump) \
-_(SNAT_IPFIX_ENABLE_DISABLE, snat_ipfix_enable_disable) \
-_(SNAT_USER_DUMP, snat_user_dump) \
-_(SNAT_USER_SESSION_DUMP, snat_user_session_dump) \
-_(SNAT_ADD_DET_MAP, snat_add_det_map) \
-_(SNAT_DET_FORWARD, snat_det_forward) \
-_(SNAT_DET_REVERSE, snat_det_reverse) \
-_(SNAT_DET_MAP_DUMP, snat_det_map_dump)
-
-/* Set up the API message handling tables */
-static clib_error_t *
-snat_plugin_api_hookup (vlib_main_t *vm)
+int snat_set_workers (uword * bitmap)
{
- snat_main_t * sm __attribute__ ((unused)) = &snat_main;
-#define _(N,n) \
- vl_msg_api_set_handlers((VL_API_##N + sm->msg_id_base), \
- #n, \
- vl_api_##n##_t_handler, \
- vl_noop_handler, \
- vl_api_##n##_t_endian, \
- vl_api_##n##_t_print, \
- sizeof(vl_api_##n##_t), 1);
- foreach_snat_plugin_api_msg;
-#undef _
+ snat_main_t *sm = &snat_main;
+ int i;
- return 0;
-}
+ if (sm->num_workers < 2)
+ return VNET_API_ERROR_FEATURE_DISABLED;
-#define vl_msg_name_crc_list
-#include <snat/snat_all_api_h.h>
-#undef vl_msg_name_crc_list
+ if (clib_bitmap_last_set (bitmap) >= sm->num_workers)
+ return VNET_API_ERROR_INVALID_WORKER;
-static void
-setup_message_id_table (snat_main_t * sm, api_main_t * am)
-{
-#define _(id,n,crc) \
- vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id + sm->msg_id_base);
- foreach_vl_msg_name_crc_snat;
-#undef _
-}
+ vec_free (sm->workers);
+ clib_bitmap_foreach (i, bitmap,
+ ({
+ vec_add1(sm->workers, i);
+ }));
-static void plugin_custom_dump_configure (snat_main_t * sm)
-{
-#define _(n,f) sm->api_main->msg_print_handlers \
- [VL_API_##n + sm->msg_id_base] \
- = (void *) vl_api_##f##_t_print;
- foreach_snat_plugin_api_msg;
-#undef _
+ return 0;
}
clib_error_t * error = 0;
ip4_main_t * im = &ip4_main;
ip_lookup_main_t * lm = &im->lookup_main;
- u8 * name;
uword *p;
vlib_thread_registration_t *tr;
vlib_thread_main_t *tm = vlib_get_thread_main ();
u32 i;
ip4_add_del_interface_address_callback_t cb4;
- name = format (0, "snat_%08x%c", api_version, 0);
-
- /* Ask for a correctly-sized block of API message decode slots */
- sm->msg_id_base = vl_msg_api_get_msg_ids
- ((char *) name, VL_MSG_FIRST_AVAILABLE);
-
sm->vlib_main = vm;
sm->vnet_main = vnet_get_main();
sm->ip4_main = im;
sm->workers = 0;
sm->fq_in2out_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;
p = hash_get_mem (tm->thread_registrations_by_name, "workers");
if (p)
clib_bitmap_free (bitmap);
}
- error = snat_plugin_api_hookup (vm);
-
- /* Add our API messages to the global name_crc hash table */
- setup_message_id_table (sm, &api_main);
-
- plugin_custom_dump_configure (sm);
- vec_free(name);
+ error = snat_api_init(vm, sm);
+ if (error)
+ return error;
/* Set up the interface address add/del callback */
cb4.function = snat_ip4_add_del_interface_address_cb;
/* Init IPFIX logging */
snat_ipfix_logging_init(vm);
+ error = nat64_init(vm);
+
return error;
}
* @param mapping External or local address and port of the matched mapping.
* @param by_external If 0 match by local address otherwise match by external
* address.
+ * @param is_addr_only If matched mapping is address only
*
* @returns 0 if match found otherwise 1.
*/
int snat_static_mapping_match (snat_main_t * sm,
snat_session_key_t match,
snat_session_key_t * mapping,
- u8 by_external)
+ u8 by_external,
+ u8 *is_addr_only)
{
clib_bihash_kv_8_8_t kv, value;
snat_static_mapping_t *m;
mapping->fib_index = sm->outside_fib_index;
}
+ if (PREDICT_FALSE(is_addr_only != 0))
+ *is_addr_only = m->addr_only;
+
return 0;
}
{
sm->in2out_node_index = snat_det_in2out_node.index;
sm->out2in_node_index = snat_det_out2in_node.index;
+ sm->icmp_match_in2out_cb = icmp_match_in2out_det;
+ sm->icmp_match_out2in_cb = icmp_match_out2in_det;
}
else
{
if (!static_mapping_only ||
(static_mapping_only && static_mapping_connection_tracking))
{
+ sm->icmp_match_in2out_cb = icmp_match_in2out_slow;
+ sm->icmp_match_out2in_cb = icmp_match_out2in_slow;
+
clib_bihash_init_8_8 (&sm->worker_by_in, "worker-by-in", user_buckets,
user_memory_size);
clib_bihash_init_8_8 (&sm->user_hash, "users", user_buckets,
user_memory_size);
}
+ else
+ {
+ sm->icmp_match_in2out_cb = icmp_match_in2out_fast;
+ sm->icmp_match_out2in_cb = icmp_match_out2in_fast;
+ }
clib_bihash_init_8_8 (&sm->static_mapping_by_local,
"static_mapping_by_local", static_mapping_buckets,
static_mapping_memory_size);
if (sm->deterministic)
{
+ vlib_cli_output (vm, "udp timeout: %dsec", sm->udp_timeout);
+ vlib_cli_output (vm, "tcp-established timeout: %dsec",
+ sm->tcp_established_timeout);
+ vlib_cli_output (vm, "tcp-transitory timeout: %dsec",
+ sm->tcp_transitory_timeout);
+ vlib_cli_output (vm, "icmp timeout: %dsec", sm->icmp_timeout);
vlib_cli_output (vm, "%d deterministic mappings",
pool_elts (sm->det_maps));
if (verbose > 0)
}
-static int snat_add_interface_address (snat_main_t *sm,
- u32 sw_if_index,
- int is_del)
+int snat_add_interface_address (snat_main_t *sm, u32 sw_if_index, int is_del)
{
ip4_main_t * ip4_main = sm->ip4_main;
ip4_address_t * first_int_addr;
.short_help = "snat deterministic reverse <addr>:<port>",
.function = snat_det_reverse_command_fn,
};
+
+static clib_error_t *
+set_timeout_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ snat_main_t *sm = &snat_main;
+ unformat_input_t _line_input, *line_input = &_line_input;
+ clib_error_t *error = 0;
+
+ /* Get a line of input. */
+ if (!unformat_user (input, unformat_line_input, line_input))
+ return 0;
+
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (line_input, "udp %u", &sm->udp_timeout))
+ ;
+ else if (unformat (line_input, "tcp-established %u",
+ &sm->tcp_established_timeout))
+ ;
+ else if (unformat (line_input, "tcp-transitory %u",
+ &sm->tcp_transitory_timeout))
+ ;
+ else if (unformat (line_input, "icmp %u", &sm->icmp_timeout))
+ ;
+ else if (unformat (line_input, "reset"))
+ {
+ 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;
+ }
+ else
+ {
+ error = clib_error_return (0, "unknown input '%U'",
+ format_unformat_error, line_input);
+ goto done;
+ }
+ }
+
+ unformat_free (line_input);
+
+done:
+ unformat_free (line_input);
+
+ return error;
+}
+
+/*?
+ * @cliexpar
+ * @cliexstart{set snat deterministic timeout}
+ * Set values of timeouts for deterministic NAT (in seconds), use:
+ * vpp# set snat deterministic timeout udp 120 tcp-established 7500
+ * tcp-transitory 250 icmp 90
+ * To reset default values use:
+ * vpp# set snat deterministic timeout reset
+ * @cliexend
+?*/
+VLIB_CLI_COMMAND (set_timeout_command, static) = {
+ .path = "set snat deterministic timeout",
+ .function = set_timeout_command_fn,
+ .short_help =
+ "set snat deterministic timeout [udp <sec> | tcp-established <sec> "
+ "tcp-transitory <sec> | icmp <sec> | reset]",
+};
+
+static clib_error_t *
+snat_det_close_session_out_fn (vlib_main_t *vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ snat_main_t *sm = &snat_main;
+ unformat_input_t _line_input, *line_input = &_line_input;
+ ip4_address_t out_addr, ext_addr, in_addr;
+ u16 out_port, ext_port;
+ snat_det_map_t * dm;
+ snat_det_session_t * ses;
+ snat_det_out_key_t key;
+ clib_error_t *error = 0;
+
+ /* Get a line of input. */
+ if (!unformat_user (input, unformat_line_input, line_input))
+ return 0;
+
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (line_input, "%U:%d %U:%d",
+ unformat_ip4_address, &out_addr, &out_port,
+ unformat_ip4_address, &ext_addr, &ext_port))
+ ;
+ else
+ {
+ error = clib_error_return (0, "unknown input '%U'",
+ format_unformat_error, line_input);
+ goto done;
+ }
+ }
+
+ unformat_free (line_input);
+
+ dm = snat_det_map_by_out(sm, &out_addr);
+ if (!dm)
+ vlib_cli_output (vm, "no match");
+ else
+ {
+ snat_det_reverse(dm, &ext_addr, out_port, &in_addr);
+ key.ext_host_addr = out_addr;
+ key.ext_host_port = ntohs(ext_port);
+ key.out_port = ntohs(out_port);
+ ses = snat_det_get_ses_by_out(dm, &out_addr, key.as_u64);
+ if (!ses)
+ vlib_cli_output (vm, "no match");
+ else
+ snat_det_ses_close(dm, ses);
+ }
+
+done:
+ unformat_free (line_input);
+
+ return error;
+}
+
+/*?
+ * @cliexpar
+ * @cliexstart{snat deterministic close session out}
+ * Close session using outside ip address and port
+ * and external ip address and port, use:
+ * vpp# snat deterministic close session out 1.1.1.1:1276 2.2.2.2:2387
+ * @cliexend
+?*/
+VLIB_CLI_COMMAND (snat_det_close_sesion_out_command, static) = {
+ .path = "snat deterministic close session out",
+ .short_help = "snat deterministic close session out "
+ "<out_addr>:<out_port> <ext_addr>:<ext_port>",
+ .function = snat_det_close_session_out_fn,
+};
+
+static clib_error_t *
+snat_det_close_session_in_fn (vlib_main_t *vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ snat_main_t *sm = &snat_main;
+ unformat_input_t _line_input, *line_input = &_line_input;
+ ip4_address_t in_addr, ext_addr;
+ u16 in_port, ext_port;
+ snat_det_map_t * dm;
+ snat_det_session_t * ses;
+ snat_det_out_key_t key;
+ clib_error_t *error = 0;
+
+ /* Get a line of input. */
+ if (!unformat_user (input, unformat_line_input, line_input))
+ return 0;
+
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (line_input, "%U:%d %U:%d",
+ unformat_ip4_address, &in_addr, &in_port,
+ unformat_ip4_address, &ext_addr, &ext_port))
+ ;
+ else
+ {
+ error = clib_error_return (0, "unknown input '%U'",
+ format_unformat_error, line_input);
+ goto done;
+ }
+ }
+
+ unformat_free (line_input);
+
+ dm = snat_det_map_by_user (sm, &in_addr);
+ if (!dm)
+ vlib_cli_output (vm, "no match");
+ else
+ {
+ key.ext_host_addr = ext_addr;
+ key.ext_host_port = ntohs (ext_port);
+ ses = snat_det_find_ses_by_in (dm, &in_addr, ntohs(in_port), key);
+ if (!ses)
+ vlib_cli_output (vm, "no match");
+ else
+ snat_det_ses_close(dm, ses);
+ }
+
+done:
+ unformat_free(line_input);
+
+ return error;
+}
+
+/*?
+ * @cliexpar
+ * @cliexstart{snat deterministic close_session_in}
+ * Close session using inside ip address and port
+ * and external ip address and port, use:
+ * vpp# snat deterministic close session in 3.3.3.3:3487 2.2.2.2:2387
+ * @cliexend
+?*/
+VLIB_CLI_COMMAND (snat_det_close_session_in_command, static) = {
+ .path = "snat deterministic close session in",
+ .short_help = "snat deterministic close session in "
+ "<in_addr>:<in_port> <ext_addr>:<ext_port>",
+ .function = snat_det_close_session_in_fn,
+};