#include <nat/nat.h>
#include <nat/nat_ipfix_logging.h>
#include <nat/nat_det.h>
+#include <nat/nat64.h>
+#include <nat/nat_inlines.h>
+#include <nat/nat_affinity.h>
#include <vnet/fib/fib_table.h>
#define UNSUPPORTED_IN_DET_MODE_STR \
{
snat_main_t *sm = &snat_main;
snat_main_per_thread_data_t *tsm;
+ nat_affinity_main_t *nam = &nat_affinity_main;
int i;
int verbose = 0;
else if (unformat (input, "verbose"))
verbose = 2;
- vlib_cli_output (vm, "%U", format_bihash_16_8, &sm->in2out_ed, verbose);
- vlib_cli_output (vm, "%U", format_bihash_16_8, &sm->out2in_ed, verbose);
vlib_cli_output (vm, "%U", format_bihash_8_8, &sm->static_mapping_by_local,
verbose);
vlib_cli_output (vm, "%U",
vec_foreach_index (i, sm->per_thread_data)
{
tsm = vec_elt_at_index (sm->per_thread_data, i);
- vlib_cli_output (vm, "%U", format_bihash_8_8, &tsm->in2out, verbose);
- vlib_cli_output (vm, "%U", format_bihash_8_8, &tsm->out2in, verbose);
+ vlib_cli_output (vm, "-------- thread %d %s --------\n",
+ i, vlib_worker_threads[i].name);
+ if (sm->endpoint_dependent)
+ {
+ vlib_cli_output (vm, "%U", format_bihash_16_8, &tsm->in2out_ed,
+ verbose);
+ vlib_cli_output (vm, "%U", format_bihash_16_8, &tsm->out2in_ed,
+ verbose);
+ }
+ else
+ {
+ vlib_cli_output (vm, "%U", format_bihash_8_8, &tsm->in2out, verbose);
+ vlib_cli_output (vm, "%U", format_bihash_8_8, &tsm->out2in, verbose);
+ }
vlib_cli_output (vm, "%U", format_bihash_8_8, &tsm->user_hash, verbose);
}
+ if (sm->endpoint_dependent)
+ vlib_cli_output (vm, "%U", format_bihash_16_8, &nam->affinity_hash,
+ verbose);
return 0;
}
unformat_input_t _line_input, *line_input = &_line_input;
snat_main_t *sm = &snat_main;
clib_error_t *error = 0;
- u32 psid, psid_offset, psid_length;
+ u32 psid, psid_offset, psid_length, port_start, port_end;
if (sm->deterministic)
return clib_error_return (0, UNSUPPORTED_IN_DET_MODE_STR);
&psid_offset, &psid_length))
nat_set_alloc_addr_and_port_mape ((u16) psid, (u16) psid_offset,
(u16) psid_length);
+ else
+ if (unformat
+ (line_input, "port-range %d - %d", &port_start, &port_end))
+ {
+ if (port_end <= port_start)
+ {
+ error =
+ clib_error_return (0,
+ "The end-port must be greater than start-port");
+ goto done;
+ }
+ nat_set_alloc_addr_and_port_range ((u16) port_start,
+ (u16) port_end);
+ }
else
{
error = clib_error_return (0, "unknown input '%U'",
return error;
};
+static clib_error_t *
+nat44_show_alloc_addr_and_port_alg_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ snat_main_t *sm = &snat_main;
+
+ if (sm->deterministic)
+ return clib_error_return (0, UNSUPPORTED_IN_DET_MODE_STR);
+
+ vlib_cli_output (vm, "NAT address and port: %U",
+ format_nat_addr_and_port_alloc_alg,
+ sm->addr_and_port_alloc_alg);
+ switch (sm->addr_and_port_alloc_alg)
+ {
+ case NAT_ADDR_AND_PORT_ALLOC_ALG_MAPE:
+ vlib_cli_output (vm, " psid %d psid-offset %d psid-len %d", sm->psid,
+ sm->psid_offset, sm->psid_length);
+ break;
+ case NAT_ADDR_AND_PORT_ALLOC_ALG_RANGE:
+ vlib_cli_output (vm, " start-port %d end-port %d", sm->start_port,
+ sm->end_port);
+ break;
+ default:
+ break;
+ }
+
+ return 0;
+}
+
+static clib_error_t *
+nat_set_mss_clamping_command_fn (vlib_main_t * vm, unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ unformat_input_t _line_input, *line_input = &_line_input;
+ snat_main_t *sm = &snat_main;
+ clib_error_t *error = 0;
+ u32 mss;
+
+ /* 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, "disable"))
+ sm->mss_clamping = 0;
+ else if (unformat (line_input, "%d", &mss))
+ {
+ sm->mss_clamping = (u16) mss;
+ sm->mss_value_net = clib_host_to_net_u16 (sm->mss_clamping);
+ }
+ else
+ {
+ error = clib_error_return (0, "unknown input '%U'",
+ format_unformat_error, line_input);
+ goto done;
+ }
+ }
+
+done:
+ unformat_free (line_input);
+
+ return error;
+}
+
+static clib_error_t *
+nat_show_mss_clamping_command_fn (vlib_main_t * vm, unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ snat_main_t *sm = &snat_main;
+
+ if (sm->mss_clamping)
+ vlib_cli_output (vm, "mss-clamping %d", sm->mss_clamping);
+ else
+ vlib_cli_output (vm, "mss-clamping disabled");
+
+ return 0;
+}
+
static clib_error_t *
add_address_command_fn (vlib_main_t * vm,
unformat_input_t * input, vlib_cli_command_t * cmd)
count = (end_host_order - start_host_order) + 1;
if (count > 1024)
- clib_warning ("%U - %U, %d addresses...",
+ nat_log_info ("%U - %U, %d addresses...",
format_ip4_address, &start_addr,
format_ip4_address, &end_addr, count);
for (i = 0; i < count; i++)
{
if (is_add)
- snat_add_address (sm, &this_addr, vrf_id, twice_nat);
+ rv = snat_add_address (sm, &this_addr, vrf_id, twice_nat);
else
rv = snat_del_address (sm, this_addr, 0, twice_nat);
switch (rv)
{
+ case VNET_API_ERROR_VALUE_EXIST:
+ error = clib_error_return (0, "NAT address already in use.");
+ goto done;
case VNET_API_ERROR_NO_SUCH_ENTRY:
- error = clib_error_return (0, "S-NAT address not exist.");
+ error = clib_error_return (0, "NAT address not exist.");
goto done;
case VNET_API_ERROR_UNSPECIFIED:
error =
- clib_error_return (0, "S-NAT address used in static mapping.");
+ clib_error_return (0, "NAT address used in static mapping.");
+ goto done;
+ case VNET_API_ERROR_FEATURE_DISABLED:
+ error =
+ clib_error_return (0,
+ "twice NAT available only for endpoint-dependent mode.");
goto done;
default:
break;
case VNET_API_ERROR_VALUE_EXIST:
error = clib_error_return (0, "Mapping already exist.");
goto done;
+ case VNET_API_ERROR_FEATURE_DISABLED:
+ error =
+ clib_error_return (0,
+ "twice-nat/out2in-only available only for endpoint-dependent mode.");
+ goto done;
default:
break;
}
snat_main_t *sm = &snat_main;
clib_error_t *error = 0;
ip4_address_t l_addr, e_addr;
- u32 l_port = 0, e_port = 0, vrf_id = 0, probability = 0;
+ u32 l_port = 0, e_port = 0, vrf_id = 0, probability = 0, affinity = 0;
int is_add = 1;
int rv;
snat_protocol_t proto;
local.probability = (u8) probability;
vec_add1 (locals, local);
}
+ else if (unformat (line_input, "local %U:%u vrf %u probability %u",
+ unformat_ip4_address, &l_addr, &l_port, &vrf_id,
+ &probability))
+ {
+ memset (&local, 0, sizeof (local));
+ local.addr = l_addr;
+ local.port = (u16) l_port;
+ local.probability = (u8) probability;
+ local.vrf_id = vrf_id;
+ vec_add1 (locals, local);
+ }
else if (unformat (line_input, "external %U:%u", unformat_ip4_address,
&e_addr, &e_port))
;
- else if (unformat (line_input, "vrf %u", &vrf_id))
- ;
else if (unformat (line_input, "protocol %U", unformat_snat_protocol,
&proto))
proto_set = 1;
out2in_only = 1;
else if (unformat (line_input, "del"))
is_add = 0;
+ else if (unformat (line_input, "affinity %u", &affinity))
+ ;
else
{
error = clib_error_return (0, "unknown input: '%U'",
goto done;
}
- rv = nat44_add_del_lb_static_mapping (e_addr, (u16) e_port, proto, vrf_id,
- locals, is_add, twice_nat,
- out2in_only, 0);
+ rv = nat44_add_del_lb_static_mapping (e_addr, (u16) e_port, proto, locals,
+ is_add, twice_nat, out2in_only, 0,
+ affinity);
switch (rv)
{
case VNET_API_ERROR_VALUE_EXIST:
error = clib_error_return (0, "Mapping already exist.");
goto done;
+ case VNET_API_ERROR_FEATURE_DISABLED:
+ error =
+ clib_error_return (0, "Available only for endpoint-dependent mode.");
+ goto done;
default:
break;
}
{
tsm = vec_elt_at_index (sm->per_thread_data, i);
+ vlib_cli_output (vm, "-------- thread %d %s: %d sessions --------\n",
+ i, vlib_worker_threads[i].name,
+ pool_elts (tsm->sessions));
pool_foreach (u, tsm->users,
({
vlib_cli_output (vm, " %U", format_snat_user, tsm, u, verbose);
unformat_input_t _line_input, *line_input = &_line_input;
clib_error_t *error = 0;
- if (!sm->deterministic)
- return clib_error_return (0, SUPPORTED_ONLY_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, "udp %u", &sm->udp_timeout))
- ;
+ {
+ if (nat64_set_udp_timeout (sm->udp_timeout))
+ {
+ error = clib_error_return (0, "Invalid UDP timeout value");
+ goto done;
+ }
+ }
else if (unformat (line_input, "tcp-established %u",
&sm->tcp_established_timeout))
- ;
+ {
+ if (nat64_set_tcp_timeouts
+ (sm->tcp_transitory_timeout, sm->tcp_established_timeout))
+ {
+ error =
+ clib_error_return (0,
+ "Invalid TCP established timeouts value");
+ goto done;
+ }
+ }
else if (unformat (line_input, "tcp-transitory %u",
&sm->tcp_transitory_timeout))
- ;
+ {
+ if (nat64_set_tcp_timeouts
+ (sm->tcp_transitory_timeout, sm->tcp_established_timeout))
+ {
+ error =
+ clib_error_return (0,
+ "Invalid TCP transitory timeouts value");
+ goto done;
+ }
+ }
else if (unformat (line_input, "icmp %u", &sm->icmp_timeout))
- ;
+ {
+ if (nat64_set_icmp_timeout (sm->icmp_timeout))
+ {
+ error = clib_error_return (0, "Invalid ICMP timeout value");
+ goto done;
+ }
+ }
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;
+ nat64_set_udp_timeout (0);
+ nat64_set_icmp_timeout (0);
+ nat64_set_tcp_timeouts (0, 0);
}
else
{
}
static clib_error_t *
-nat44_det_show_timeouts_command_fn (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
+nat_show_timeouts_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
{
snat_main_t *sm = &snat_main;
- if (!sm->deterministic)
- return clib_error_return (0, SUPPORTED_ONLY_IN_DET_MODE_STR);
-
vlib_cli_output (vm, "udp timeout: %dsec", sm->udp_timeout);
vlib_cli_output (vm, "tcp-established timeout: %dsec",
sm->tcp_established_timeout);
.function = nat_show_workers_commnad_fn,
};
+/*?
+ * @cliexpar
+ * @cliexstart{set nat timeout}
+ * Set values of timeouts for NAT sessions (in seconds), use:
+ * vpp# set nat timeout udp 120 tcp-established 7500 tcp-transitory 250 icmp 90
+ * To reset default values use:
+ * vpp# set nat44 deterministic timeout reset
+ * @cliexend
+?*/
+VLIB_CLI_COMMAND (set_timeout_command, static) = {
+ .path = "set nat timeout",
+ .function = set_timeout_command_fn,
+ .short_help =
+ "set nat timeout [udp <sec> | tcp-established <sec> "
+ "tcp-transitory <sec> | icmp <sec> | reset]",
+};
+
+/*?
+ * @cliexpar
+ * @cliexstart{show nat timeouts}
+ * Show values of timeouts for NAT sessions.
+ * vpp# show nat timeouts
+ * udp timeout: 300sec
+ * tcp-established timeout: 7440sec
+ * tcp-transitory timeout: 240sec
+ * icmp timeout: 60sec
+ * @cliexend
+?*/
+VLIB_CLI_COMMAND (nat_show_timeouts_command, static) = {
+ .path = "show nat timeouts",
+ .short_help = "show nat timeouts",
+ .function = nat_show_timeouts_command_fn,
+};
+
/*?
* @cliexpar
* @cliexstart{snat ipfix logging}
* Set address and port assignment algorithm
* For the MAP-E CE limit port choice based on PSID use:
* vpp# nat addr-port-assignment-alg map-e psid 10 psid-offset 6 psid-len 6
+ * For port range use:
+ * vpp# nat addr-port-assignment-alg port-range <start-port> - <end-port>
* To set standard (default) address and port assignment algorithm use:
* vpp# nat addr-port-assignment-alg default
* @cliexend
.function = nat44_set_alloc_addr_and_port_alg_command_fn,
};
+/*?
+ * @cliexpar
+ * @cliexstart{show nat addr-port-assignment-alg}
+ * Show address and port assignment algorithm
+ * @cliexend
+?*/
+VLIB_CLI_COMMAND (nat44_show_alloc_addr_and_port_alg_command, static) = {
+ .path = "show nat addr-port-assignment-alg",
+ .short_help = "show nat addr-port-assignment-alg",
+ .function = nat44_show_alloc_addr_and_port_alg_command_fn,
+};
+
+/*?
+ * @cliexpar
+ * @cliexstart{nat mss-clamping}
+ * Set TCP MSS rewriting configuration
+ * To enable TCP MSS rewriting use:
+ * vpp# nat mss-clamping 1452
+ * To disbale TCP MSS rewriting use:
+ * vpp# nat mss-clamping disable
+?*/
+VLIB_CLI_COMMAND (nat_set_mss_clamping_command, static) = {
+ .path = "nat mss-clamping",
+ .short_help = "nat mss-clamping <mss-value>|disable",
+ .function = nat_set_mss_clamping_command_fn,
+};
+
+/*?
+ * @cliexpar
+ * @cliexstart{nat mss-clamping}
+ * Show TCP MSS rewriting configuration
+?*/
+VLIB_CLI_COMMAND (nat_show_mss_clamping_command, static) = {
+ .path = "show nat mss-clamping",
+ .short_help = "show nat mss-clamping",
+ .function = nat_show_mss_clamping_command_fn,
+};
+
/*?
* @cliexpar
* @cliexstart{show nat44 hash tables}
.function = add_lb_static_mapping_command_fn,
.short_help =
"nat44 add load-balancing static mapping protocol tcp|udp "
- "external <addr>:<port> local <addr>:<port> probability <n> "
- "[twice-nat|self-twice-nat] [vrf <table-id>] [out2in-only] [del]",
+ "external <addr>:<port> local <addr>:<port> [vrf <table-id>] "
+ "probability <n> [twice-nat|self-twice-nat] [out2in-only] "
+ "[affinity <timeout-seconds>] [del]",
};
/*?
.function = snat_det_reverse_command_fn,
};
-/*?
- * @cliexpar
- * @cliexstart{set nat44 deterministic timeout}
- * Set values of timeouts for deterministic NAT (in seconds), use:
- * vpp# set nat44 deterministic timeout udp 120 tcp-established 7500
- * tcp-transitory 250 icmp 90
- * To reset default values use:
- * vpp# set nat44 deterministic timeout reset
- * @cliexend
-?*/
-VLIB_CLI_COMMAND (set_timeout_command, static) = {
- .path = "set nat44 deterministic timeout",
- .function = set_timeout_command_fn,
- .short_help =
- "set nat44 deterministic timeout [udp <sec> | tcp-established <sec> "
- "tcp-transitory <sec> | icmp <sec> | reset]",
-};
-
-/*?
- * @cliexpar
- * @cliexstart{show nat44 deterministic timeouts}
- * Show values of timeouts for deterministic NAT.
- * vpp# show nat44 deterministic timeouts
- * udp timeout: 300sec
- * tcp-established timeout: 7440sec
- * tcp-transitory timeout: 240sec
- * icmp timeout: 60sec
- * @cliexend
-?*/
-VLIB_CLI_COMMAND (nat44_det_show_timeouts_command, static) = {
- .path = "show nat44 deterministic timeouts",
- .short_help = "show nat44 deterministic timeouts",
- .function = nat44_det_show_timeouts_command_fn,
-};
-
/*?
* @cliexpar
* @cliexstart{show nat44 deterministic sessions}