*/
#include <vnet/fib/fib_table.h>
+#include <vnet/fib/fib_entry_track.h>
#include <vnet/fib/ip6_fib.h>
#include <vnet/adj/adj.h>
-#include <map/map_dpo.h>
#include <vppinfra/crc32.h>
#include <vnet/plugin/plugin.h>
#include <vpp/app/version.h>
*/
+/*
+ * Save user-assigned MAP domain names ("tags") in a vector of
+ * extra domain information.
+ */
+static void
+map_save_extras (u32 map_domain_index, u8 * tag)
+{
+ map_main_t *mm = &map_main;
+ map_domain_extra_t *de;
+
+ if (map_domain_index == ~0)
+ return;
+
+ vec_validate (mm->domain_extras, map_domain_index);
+ de = vec_elt_at_index (mm->domain_extras, map_domain_index);
+ clib_memset (de, 0, sizeof (*de));
+
+ if (!tag)
+ return;
+
+ de->tag = vec_dup (tag);
+}
+
+
+static void
+map_free_extras (u32 map_domain_index)
+{
+ map_main_t *mm = &map_main;
+ map_domain_extra_t *de;
+ u8 *tag;
+
+ if (map_domain_index == ~0)
+ return;
+
+ de = vec_elt_at_index (mm->domain_extras, map_domain_index);
+ tag = de->tag;
+ if (!tag)
+ return;
+
+ vec_free (tag);
+ de->tag = 0;
+}
+
int
map_create_domain (ip4_address_t * ip4_prefix,
u8 ip6_src_len,
u8 ea_bits_len,
u8 psid_offset,
- u8 psid_length, u32 * map_domain_index, u16 mtu, u8 flags)
+ u8 psid_length,
+ u32 * map_domain_index, u16 mtu, u8 flags, u8 * tag)
{
u8 suffix_len, suffix_shift;
map_main_t *mm = &map_main;
- dpo_id_t dpo_v4 = DPO_INVALID;
- dpo_id_t dpo_v6 = DPO_INVALID;
map_domain_t *d;
- /* Sanity check on the src prefix length */
- if (flags & MAP_DOMAIN_TRANSLATION)
- {
- if (ip6_src_len != 96 && ip6_src_len != 64)
- {
- clib_warning ("MAP-T only supports prefix lengths of 64 and 96.");
- return -1;
- }
- }
- else
- {
- if (ip6_src_len != 128)
- {
- clib_warning
- ("MAP-E requires a BR address, not a prefix (ip6_src_len should "
- "be 128).");
- return -1;
- }
- }
-
/* How many, and which bits to grab from the IPv4 DA */
if (ip4_prefix_len + ea_bits_len < 32)
{
d->psid_mask = (1 << d->psid_length) - 1;
d->ea_shift = 64 - ip6_prefix_len - suffix_len - d->psid_length;
- /* MAP data-plane object */
- if (d->flags & MAP_DOMAIN_TRANSLATION)
- map_t_dpo_create (DPO_PROTO_IP4, *map_domain_index, &dpo_v4);
- else
- map_dpo_create (DPO_PROTO_IP4, *map_domain_index, &dpo_v4);
-
- /* Create ip4 route */
- fib_prefix_t pfx = {
- .fp_proto = FIB_PROTOCOL_IP4,
- .fp_len = d->ip4_prefix_len,
- .fp_addr = {
- .ip4 = d->ip4_prefix,
- }
- ,
- };
- fib_table_entry_special_dpo_add (0, &pfx,
- FIB_SOURCE_MAP,
- FIB_ENTRY_FLAG_EXCLUSIVE, &dpo_v4);
- dpo_reset (&dpo_v4);
-
- /*
- * construct a DPO to use the v6 domain
- */
- if (d->flags & MAP_DOMAIN_TRANSLATION)
- map_t_dpo_create (DPO_PROTO_IP6, *map_domain_index, &dpo_v6);
- else
- map_dpo_create (DPO_PROTO_IP6, *map_domain_index, &dpo_v6);
+ /* Save a user-assigned MAP domain name if provided. */
+ if (tag)
+ map_save_extras (*map_domain_index, tag);
- /*
- * Multiple MAP domains may share same source IPv6 TEP. Which is just dandy.
- * We are not tracking the sharing. So a v4 lookup to find the correct
- * domain post decap/trnaslate is always done
- *
- * Create ip6 route. This is a reference counted add. If the prefix
- * already exists and is MAP sourced, it is now MAP source n+1 times
- * and will need to be removed n+1 times.
- */
- fib_prefix_t pfx6 = {
- .fp_proto = FIB_PROTOCOL_IP6,
- .fp_len = d->ip6_src_len,
- .fp_addr.ip6 = d->ip6_src,
- };
+ /* MAP longest match lookup table (input feature / FIB) */
+ mm->ip4_prefix_tbl->add (mm->ip4_prefix_tbl, &d->ip4_prefix,
+ d->ip4_prefix_len, *map_domain_index);
- fib_table_entry_special_dpo_add (0, &pfx6,
- FIB_SOURCE_MAP,
- FIB_ENTRY_FLAG_EXCLUSIVE, &dpo_v6);
- dpo_reset (&dpo_v6);
+ /* Really needed? Or always use FIB? */
+ mm->ip6_src_prefix_tbl->add (mm->ip6_src_prefix_tbl, &d->ip6_src,
+ d->ip6_src_len, *map_domain_index);
/* Validate packet/byte counters */
map_domain_counter_lock (mm);
}
d = pool_elt_at_index (mm->domains, map_domain_index);
+ mm->ip4_prefix_tbl->delete (mm->ip4_prefix_tbl, &d->ip4_prefix,
+ d->ip4_prefix_len);
+ mm->ip6_src_prefix_tbl->delete (mm->ip6_src_prefix_tbl, &d->ip6_src,
+ d->ip6_src_len);
- fib_prefix_t pfx = {
- .fp_proto = FIB_PROTOCOL_IP4,
- .fp_len = d->ip4_prefix_len,
- .fp_addr = {
- .ip4 = d->ip4_prefix,
- }
- ,
- };
- fib_table_entry_special_remove (0, &pfx, FIB_SOURCE_MAP);
-
- fib_prefix_t pfx6 = {
- .fp_proto = FIB_PROTOCOL_IP6,
- .fp_len = d->ip6_src_len,
- .fp_addr = {
- .ip6 = d->ip6_src,
- }
- ,
- };
- fib_table_entry_special_remove (0, &pfx6, FIB_SOURCE_MAP);
+ /* Release user-assigned MAP domain name. */
+ map_free_extras (map_domain_index);
/* Deleting rules */
if (d->rules)
int
map_add_del_psid (u32 map_domain_index, u16 psid, ip6_address_t * tep,
- u8 is_add)
+ bool is_add)
{
map_domain_t *d;
map_main_t *mm = &map_main;
#ifdef MAP_SKIP_IP6_LOOKUP
/**
- * Pre-resolvd per-protocol global next-hops
+ * Pre-resolved per-protocol global next-hops
*/
map_main_pre_resolved_t pre_resolved[FIB_PROTOCOL_MAX];
.fp_addr = *addr,
};
- pr->fei = fib_table_entry_special_add (0, // default fib
- &pfx,
- FIB_SOURCE_RR, FIB_ENTRY_FLAG_NONE);
- pr->sibling = fib_entry_child_add (pr->fei, FIB_NODE_TYPE_MAP_E, proto);
+ pr->fei = fib_entry_track (0, // default fib
+ &pfx, FIB_NODE_TYPE_MAP_E, proto, &pr->sibling);
map_stack (pr);
}
map_fib_unresolve (map_main_pre_resolved_t * pr,
fib_protocol_t proto, u8 len, const ip46_address_t * addr)
{
- fib_prefix_t pfx = {
- .fp_proto = proto,
- .fp_len = len,
- .fp_addr = *addr,
- };
-
- fib_entry_child_remove (pr->fei, pr->sibling);
+ if (pr->fei != FIB_NODE_INDEX_INVALID)
+ {
+ fib_entry_untrack (pr->fei, pr->sibling);
- fib_table_entry_special_remove (0, // default fib
- &pfx, FIB_SOURCE_RR);
- dpo_reset (&pr->dpo);
+ dpo_reset (&pr->dpo);
- pr->fei = FIB_NODE_INDEX_INVALID;
- pr->sibling = FIB_NODE_INDEX_INVALID;
+ pr->fei = FIB_NODE_INDEX_INVALID;
+ pr->sibling = FIB_NODE_INDEX_INVALID;
+ }
}
void
-map_pre_resolve (ip4_address_t * ip4, ip6_address_t * ip6, int is_del)
+map_pre_resolve (ip4_address_t * ip4, ip6_address_t * ip6, bool is_del)
{
if (ip6 && (ip6->as_u64[0] != 0 || ip6->as_u64[1] != 0))
{
u32 ea_bits_len = 0, psid_offset = 0, psid_length = 0;
u32 mtu = 0;
u8 flags = 0;
+ u8 *tag = 0;
ip6_src_len = 128;
clib_error_t *error = NULL;
num_m_args++;
else if (unformat (line_input, "mtu %d", &mtu))
num_m_args++;
- else if (unformat (line_input, "map-t"))
- flags |= MAP_DOMAIN_TRANSLATION;
- else if (unformat (line_input, "rfc6052"))
- flags |= (MAP_DOMAIN_TRANSLATION | MAP_DOMAIN_RFC6052);
+ else if (unformat (line_input, "tag %v", &tag))
+ ;
else
{
error = clib_error_return (0, "unknown input `%U'",
map_create_domain (&ip4_prefix, ip4_prefix_len,
&ip6_prefix, ip6_prefix_len, &ip6_src, ip6_src_len,
ea_bits_len, psid_offset, psid_length, &map_domain_index,
- mtu, flags);
+ mtu, flags, tag);
done:
unformat_free (line_input);
ip4_address_t ip4nh, *p_v4 = NULL;
ip6_address_t ip6nh, *p_v6 = NULL;
clib_error_t *error = NULL;
- int is_del = 0;
+ bool is_del = false;
clib_memset (&ip4nh, 0, sizeof (ip4nh));
clib_memset (&ip6nh, 0, sizeof (ip6nh));
if (unformat (line_input, "ip6-nh %U", unformat_ip6_address, &ip6nh))
p_v6 = &ip6nh;
else if (unformat (line_input, "del"))
- is_del = 1;
+ is_del = true;
else
{
error = clib_error_return (0, "unknown input `%U'",
static char *
map_flags_to_string (u32 flags)
{
- if (flags & MAP_DOMAIN_RFC6052)
- return "rfc6052";
if (flags & MAP_DOMAIN_PREFIX)
return "prefix";
- if (flags & MAP_DOMAIN_TRANSLATION)
- return "map-t";
return "";
}
bool counters = va_arg (*args, int);
map_main_t *mm = &map_main;
ip6_address_t ip6_prefix;
+ u32 map_domain_index = d - mm->domains;
+ map_domain_extra_t *de;
if (d->rules)
clib_memset (&ip6_prefix, 0, sizeof (ip6_prefix));
else
ip6_prefix = d->ip6_prefix;
+ de = vec_elt_at_index (mm->domain_extras, map_domain_index);
+
s = format (s,
- "[%d] ip4-pfx %U/%d ip6-pfx %U/%d ip6-src %U/%d ea-bits-len %d "
- "psid-offset %d psid-len %d mtu %d %s",
- d - mm->domains,
+ "[%d] tag {%v} ip4-pfx %U/%d ip6-pfx %U/%d ip6-src %U/%d "
+ "ea-bits-len %d psid-offset %d psid-len %d mtu %d %s",
+ map_domain_index, de->tag,
format_ip4_address, &d->ip4_prefix, d->ip4_prefix_len,
format_ip6_address, &ip6_prefix, d->ip6_prefix_len,
format_ip6_address, &d->ip6_src, d->ip6_src_len,
map_domain_counter_lock (mm);
vlib_counter_t v;
vlib_get_combined_counter (&mm->domain_counters[MAP_DOMAIN_COUNTER_TX],
- d - mm->domains, &v);
+ map_domain_index, &v);
s = format (s, " TX: %lld/%lld", v.packets, v.bytes);
vlib_get_combined_counter (&mm->domain_counters[MAP_DOMAIN_COUNTER_RX],
- d - mm->domains, &v);
+ map_domain_index, &v);
s = format (s, " RX: %lld/%lld", v.packets, v.bytes);
map_domain_counter_unlock (mm);
}
if (map_domain_index == ~0)
{
- /* *INDENT-OFF* */
- pool_foreach(d, mm->domains, ({vlib_cli_output(vm, "%U", format_map_domain, d, counters);}));
- /* *INDENT-ON* */
+ /* *INDENT-OFF* */
+ pool_foreach(d, mm->domains,
+ ({vlib_cli_output(vm, "%U", format_map_domain, d, counters);}));
+ /* *INDENT-ON* */
}
else
{
vlib_node_t *n = vlib_get_node (vm, node_index);
u32 ci;
- ci = vlib_error_get_code (e);
+ ci = vlib_error_get_code (&vm->node_main, e);
ASSERT (ci < n->n_errors);
ci += n->error_heap_index;
else
vlib_cli_output (vm, "MAP traffic-class: %x", mm->tc);
+ if (mm->tcp_mss)
+ vlib_cli_output (vm, "MAP TCP MSS clamping: %u", mm->tcp_mss);
+
vlib_cli_output (vm,
"MAP IPv6 inbound security check: %s, fragmented packet security check: %s",
mm->sec_check ? "enabled" : "disabled",
}
+static clib_error_t *
+map_if_command_fn (vlib_main_t * vm,
+ unformat_input_t * input, vlib_cli_command_t * cmd)
+{
+ unformat_input_t _line_input, *line_input = &_line_input;
+ clib_error_t *error = NULL;
+ bool is_enable = true, is_translation = false;
+ vnet_main_t *vnm = vnet_get_main ();
+ u32 sw_if_index = ~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", unformat_vnet_sw_interface, vnm, &sw_if_index))
+ ;
+ else if (unformat (line_input, "del"))
+ is_enable = false;
+ else if (unformat (line_input, "map-t"))
+ is_translation = true;
+ else
+ {
+ error = clib_error_return (0, "unknown input `%U'",
+ format_unformat_error, line_input);
+ goto done;
+ }
+ }
+
+done:
+ unformat_free (line_input);
+
+ if (sw_if_index == ~0)
+ {
+ error = clib_error_return (0, "unknown interface");
+ return error;
+ }
+
+ int rv = map_if_enable_disable (is_enable, sw_if_index, is_translation);
+ if (rv)
+ {
+ error = clib_error_return (0, "failure enabling MAP on interface");
+ }
+
+ return error;
+}
+
+
/*
* packet trace format function
*/
return 0;
}
+static clib_error_t *
+map_tcp_mss_command_fn (vlib_main_t * vm,
+ unformat_input_t * input, vlib_cli_command_t * cmd)
+{
+ unformat_input_t _line_input, *line_input = &_line_input;
+ clib_error_t *error = NULL;
+ u32 tcp_mss = 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", &tcp_mss))
+ ;
+ else
+ {
+ error = clib_error_return (0, "unknown input `%U'",
+ format_unformat_error, line_input);
+ goto done;
+ }
+ }
+
+ if (tcp_mss >= (0x1 << 16))
+ {
+ error = clib_error_return (0, "invalid value `%u'", tcp_mss);
+ goto done;
+ }
+
+ map_param_set_tcp (tcp_mss);
+
+done:
+ unformat_free (line_input);
+
+ return error;
+}
+
+
/* *INDENT-OFF* */
/*?
.function = map_traffic_class_command_fn,
};
+/*?
+ * TCP MSS clamping
+ *
+ * @cliexpar
+ * @cliexstart{map params tcp-mss}
+ *
+ * This command is used to set the TCP MSS in translated
+ * or encapsulated packets.
+ * @cliexend
+ ?*/
+VLIB_CLI_COMMAND(map_tcp_mss_command, static) = {
+ .path = "map params tcp-mss",
+ .short_help = "map params tcp-mss <value>",
+ .function = map_tcp_mss_command_fn,
+};
+
/*?
* Bypass IP4/IP6 lookup
*
?*/
VLIB_CLI_COMMAND(map_add_domain_command, static) = {
.path = "map add domain",
- .short_help = "map add domain ip4-pfx <ip4-pfx> ip6-pfx <ip6-pfx> "
+ .short_help = "map add domain [tag <tag>] ip4-pfx <ip4-pfx> "
+ "ip6-pfx <ip6-pfx> "
"ip6-src <ip6-pfx> ea-bits-len <n> psid-offset <n> psid-len <n> "
"[map-t] [mtu <mtu>]",
.function = map_add_domain_command_fn,
.function = show_map_fragments_command_fn,
};
+/*?
+ * Enable MAP processing on interface (input feature)
+ *
+ ?*/
+VLIB_CLI_COMMAND(map_if_command, static) = {
+ .path = "map interface",
+ .short_help = "map interface <interface-name> [map-t] [del]",
+ .function = map_if_command_fn,
+};
+
VLIB_PLUGIN_REGISTER() = {
.version = VPP_BUILD_VER,
- .description = "Mapping of address and port (MAP)",
+ .description = "Mapping of Address and Port (MAP)",
};
/* *INDENT-ON* */
{
map_main_t *mm = &map_main;
clib_error_t *error = 0;
+
+ memset (mm, 0, sizeof (*mm));
+
mm->vnet_main = vnet_get_main ();
mm->vlib_main = vm;
vlib_validate_simple_counter (&mm->icmp_relayed, 0);
vlib_zero_simple_counter (&mm->icmp_relayed, 0);
+ mm->icmp_relayed.stat_segment_name = "/map/icmp-relayed";
/* IP4 virtual reassembly */
mm->ip4_reass_hash_table = 0;
#ifdef MAP_SKIP_IP6_LOOKUP
fib_node_register_type (FIB_NODE_TYPE_MAP_E, &map_vft);
#endif
- map_dpo_module_init ();
+
+ /* LPM lookup tables */
+ mm->ip4_prefix_tbl = lpm_table_init (LPM_TYPE_KEY32);
+ mm->ip6_prefix_tbl = lpm_table_init (LPM_TYPE_KEY128);
+ mm->ip6_src_prefix_tbl = lpm_table_init (LPM_TYPE_KEY128);
+
+ mm->bm_trans_enabled_by_sw_if = 0;
+ mm->bm_encap_enabled_by_sw_if = 0;
error = map_plugin_api_hookup (vm);
Code Review / vpp.git / blobdiff