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-rw-r--r--src/plugins/nat/nat.api13
-rw-r--r--src/plugins/nat/nat44/inlines.h68
-rw-r--r--src/plugins/nat/nat44_cli.c166
-rw-r--r--src/plugins/nat/nat_api.c25
4 files changed, 272 insertions, 0 deletions
diff --git a/src/plugins/nat/nat.api b/src/plugins/nat/nat.api
index 0294d400966..4567cb5f99c 100644
--- a/src/plugins/nat/nat.api
+++ b/src/plugins/nat/nat.api
@@ -456,6 +456,19 @@ service {
* NAT44 APIs
*/
+/** \brief Del NAT44 user
+ @param client_index - opaque cookie to identify the sender
+ @param context - sender context, to match reply w/ request
+ @param ip_address - IPv4 address
+ @param fib_index - FIB index
+*/
+autoreply define nat44_del_user {
+ u32 client_index;
+ u32 context;
+ vl_api_ip4_address_t ip_address;
+ u32 fib_index;
+};
+
/** \brief Add/del NAT44 address range
@param client_index - opaque cookie to identify the sender
@param context - sender context, to match reply w/ request
diff --git a/src/plugins/nat/nat44/inlines.h b/src/plugins/nat/nat44/inlines.h
index 52dd37c9321..0c8487b473d 100644
--- a/src/plugins/nat/nat44/inlines.h
+++ b/src/plugins/nat/nat44/inlines.h
@@ -41,6 +41,74 @@ nat44_session_cleanup (snat_session_t * s, u32 thread_index)
}
static_always_inline void
+nat44_user_del_sessions (snat_user_t * u, u32 thread_index)
+{
+ dlist_elt_t *elt;
+ snat_session_t *s;
+
+ snat_main_t *sm = &snat_main;
+ snat_main_per_thread_data_t *tsm = &sm->per_thread_data[thread_index];
+
+ // get head
+ elt = pool_elt_at_index (tsm->list_pool,
+ u->sessions_per_user_list_head_index);
+ // get first element
+ elt = pool_elt_at_index (tsm->list_pool, elt->next);
+
+ while (elt->value != ~0)
+ {
+ s = pool_elt_at_index (tsm->sessions, elt->value);
+ elt = pool_elt_at_index (tsm->list_pool, elt->next);
+ nat44_session_cleanup (s, thread_index);
+ }
+}
+
+static_always_inline int
+nat44_user_del (ip4_address_t * addr, u32 fib_index)
+{
+ int rv = 1;
+
+ snat_main_t *sm = &snat_main;
+ snat_main_per_thread_data_t *tsm;
+
+ snat_user_key_t user_key;
+ clib_bihash_kv_8_8_t kv, value;
+
+ user_key.addr.as_u32 = addr->as_u32;
+ user_key.fib_index = fib_index;
+ kv.key = user_key.as_u64;
+
+ if (sm->num_workers > 1)
+ {
+ /* *INDENT-OFF* */
+ vec_foreach (tsm, sm->per_thread_data)
+ {
+ if (!clib_bihash_search_8_8 (&tsm->user_hash, &kv, &value))
+ {
+ nat44_user_del_sessions (
+ pool_elt_at_index (tsm->users, value.value),
+ tsm->thread_index);
+ rv = 0;
+ break;
+ }
+ }
+ /* *INDENT-ON* */
+ }
+ else
+ {
+ tsm = vec_elt_at_index (sm->per_thread_data, sm->num_workers);
+ if (!clib_bihash_search_8_8 (&tsm->user_hash, &kv, &value))
+ {
+ nat44_user_del_sessions (pool_elt_at_index
+ (tsm->users, value.value),
+ tsm->thread_index);
+ rv = 0;
+ }
+ }
+ return rv;
+}
+
+static_always_inline void
nat44_user_try_cleanup (snat_user_t * u, u32 thread_index, f64 now)
{
dlist_elt_t *elt;
diff --git a/src/plugins/nat/nat44_cli.c b/src/plugins/nat/nat44_cli.c
index 659dbb2247e..11e87092ae7 100644
--- a/src/plugins/nat/nat44_cli.c
+++ b/src/plugins/nat/nat44_cli.c
@@ -640,6 +640,101 @@ done:
}
static clib_error_t *
+nat44_show_summary_command_fn (vlib_main_t * vm, unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ snat_main_per_thread_data_t *tsm;
+ snat_main_t *sm = &snat_main;
+ snat_address_t *a;
+ snat_session_t *s;
+ u32 free_ports, free_ports_addr;
+
+ if (sm->deterministic)
+ return clib_error_return (0, UNSUPPORTED_IN_DET_MODE_STR);
+
+ if (sm->endpoint_dependent)
+ vlib_cli_output (vm, "mode: endpoint-depenent");
+
+ // print timeouts
+ vlib_cli_output (vm, "icmp timeout: %u", sm->icmp_timeout);
+ vlib_cli_output (vm, "udp timeout: %u", sm->udp_timeout);
+
+ vlib_cli_output (vm, "tcp established timeout: %u",
+ sm->tcp_established_timeout);
+ vlib_cli_output (vm, "tcp transitory timeout: %u",
+ sm->tcp_transitory_timeout);
+
+ // print session configuration values
+ vlib_cli_output (vm, "max translations: %u", sm->max_translations);
+ vlib_cli_output (vm, "max translations per user: %u",
+ sm->max_translations_per_user);
+
+ // do we need also twice-nat addresses ??
+ if (vec_len (sm->addresses))
+ {
+ free_ports = 0;
+ /* *INDENT-OFF* */
+ vec_foreach (a, sm->addresses)
+ {
+ free_ports_addr = sm->port_per_thread;
+
+ #define _(N, i, n, s) \
+ free_ports_addr -= a->busy_##n##_ports;
+ foreach_snat_protocol
+ #undef _
+
+ vlib_cli_output (vm, "addr: %U free ports: %u out of: %u",
+ format_ip4_address, &a->addr, free_ports_addr, sm->port_per_thread);
+
+ free_ports += free_ports_addr;
+ }
+ /* *INDENT-ON* */
+ vlib_cli_output (vm, "free ports overall: %u out of: %u",
+ free_ports,
+ vec_len (sm->addresses) * sm->port_per_thread);
+ }
+
+ u32 count = 0;
+ u32 transitory = 0;
+ u32 established = 0;
+
+ if (sm->num_workers > 1)
+ {
+ /* *INDENT-OFF* */
+ vec_foreach (tsm, sm->per_thread_data)
+ {
+ count += vec_len (tsm->sessions);
+ pool_foreach (s, tsm->sessions,
+ ({
+ if (s->state)
+ transitory++;
+ else
+ established++;
+ }));
+ }
+ /* *INDENT-ON* */
+ }
+ else
+ {
+ tsm = vec_elt_at_index (sm->per_thread_data, sm->num_workers);
+ /* *INDENT-OFF* */
+ pool_foreach (s, tsm->sessions,
+ ({
+ if (s->state)
+ transitory++;
+ else
+ established++;
+ }));
+ /* *INDENT-ON* */
+ count = vec_len (tsm->sessions);
+ }
+ vlib_cli_output (vm, "established sessions: %u", established);
+ vlib_cli_output (vm, "transitory sessions: %u", transitory);
+ vlib_cli_output (vm, "sessions: %u", count);
+ return 0;
+}
+
+static clib_error_t *
nat44_show_addresses_command_fn (vlib_main_t * vm, unformat_input_t * input,
vlib_cli_command_t * cmd)
{
@@ -1377,6 +1472,51 @@ nat44_show_sessions_command_fn (vlib_main_t * vm, unformat_input_t * input,
}
static clib_error_t *
+nat44_del_user_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;
+ ip4_address_t addr;
+ u32 fib_index = 0;
+ int rv;
+
+ if (sm->deterministic)
+ return clib_error_return (0, UNSUPPORTED_IN_DET_MODE_STR);
+
+ /* 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", unformat_ip4_address, &addr))
+ ;
+ else if (unformat (line_input, "fib %u", &fib_index))
+ ;
+ else
+ {
+ error = clib_error_return (0, "unknown input '%U'",
+ format_unformat_error, line_input);
+ goto done;
+ }
+ }
+
+ rv = nat44_user_del (&addr, fib_index);
+
+ if (!rv)
+ {
+ error = clib_error_return (0, "nat44_user_del returned %d", rv);
+ }
+
+done:
+ unformat_free (line_input);
+
+ return error;
+}
+
+static clib_error_t *
nat44_del_session_command_fn (vlib_main_t * vm,
unformat_input_t * input,
vlib_cli_command_t * cmd)
@@ -2180,6 +2320,19 @@ VLIB_CLI_COMMAND (add_address_command, static) = {
/*?
* @cliexpar
+ * @cliexstart{show nat44 summary}
+ * Show NAT44 summary
+ * vpp# show nat44 summary
+ * @cliexend
+?*/
+VLIB_CLI_COMMAND (nat44_show_summary_command, static) = {
+ .path = "show nat44 summary",
+ .short_help = "show nat44 summary",
+ .function = nat44_show_summary_command_fn,
+};
+
+/*?
+ * @cliexpar
* @cliexstart{show nat44 addresses}
* Show NAT44 pool addresses.
* vpp# show nat44 addresses
@@ -2388,6 +2541,19 @@ VLIB_CLI_COMMAND (nat44_show_sessions_command, static) = {
/*?
* @cliexpar
+ * @cliexstart{nat44 del user}
+ * To delete all NAT44 user sessions:
+ * vpp# nat44 del user 10.0.0.3
+ * @cliexend
+?*/
+VLIB_CLI_COMMAND (nat44_del_user_command, static) = {
+ .path = "nat44 del user",
+ .short_help = "nat44 del user <addr> [fib <index>]",
+ .function = nat44_del_user_command_fn,
+};
+
+/*?
+ * @cliexpar
* @cliexstart{nat44 del session}
* To administratively delete NAT44 session by inside address and port use:
* vpp# nat44 del session in 10.0.0.3:6303 tcp
diff --git a/src/plugins/nat/nat_api.c b/src/plugins/nat/nat_api.c
index 4c162b7433c..d8c2c5fd1c9 100644
--- a/src/plugins/nat/nat_api.c
+++ b/src/plugins/nat/nat_api.c
@@ -741,6 +741,30 @@ vl_api_nat_ha_resync_t_print (vl_api_nat_ha_resync_t * mp, void *handle)
/*** NAT44 ***/
/*************/
static void
+vl_api_nat44_del_user_t_handler (vl_api_nat44_del_user_t * mp)
+{
+ snat_main_t *sm = &snat_main;
+ vl_api_nat44_del_user_reply_t *rmp;
+ ip4_address_t addr;
+ int rv;
+
+ memcpy (&addr.as_u8, mp->ip_address, 4);
+ rv = nat44_user_del (&addr, ntohl (mp->fib_index));
+
+ REPLY_MACRO (VL_API_NAT44_DEL_USER_REPLY);
+}
+
+static void *vl_api_nat44_del_user_t_print
+ (vl_api_nat44_del_user_t * mp, void *handle)
+{
+ u8 *s;
+ s = format (0, "SCRIPT: nat44_del_user ");
+ s = format (s, "ip_address %U fib_index %U ",
+ format_ip4_address, mp->ip_address, ntohl (mp->fib_index));
+ FINISH;
+}
+
+static void
vl_api_nat44_add_del_address_range_t_handler
(vl_api_nat44_add_del_address_range_t * mp)
{
@@ -3119,6 +3143,7 @@ _(NAT_CONTROL_PING, nat_control_ping) \
_(NAT_SHOW_CONFIG, nat_show_config) \
_(NAT_SET_WORKERS, nat_set_workers) \
_(NAT_WORKER_DUMP, nat_worker_dump) \
+_(NAT44_DEL_USER, nat44_del_user) \
_(NAT44_SESSION_CLEANUP, nat44_session_cleanup) \
_(NAT_SET_LOG_LEVEL, nat_set_log_level) \
_(NAT_IPFIX_ENABLE_DISABLE, nat_ipfix_enable_disable) \