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Diffstat (limited to 'src/plugins/map/map.c')
-rw-r--r--src/plugins/map/map.c78
1 files changed, 70 insertions, 8 deletions
diff --git a/src/plugins/map/map.c b/src/plugins/map/map.c
index d77b141593b..a5354422b41 100644
--- a/src/plugins/map/map.c
+++ b/src/plugins/map/map.c
@@ -59,6 +59,52 @@ map_main_t map_main;
*/
+/*
+ * Save usre-assigned MAP domain names ("tags") in a vector of
+ * extra domain information.
+ */
+static void
+map_save_extras (u32 map_domain_index, char *tag)
+{
+ map_main_t *mm = &map_main;
+ map_domain_extra_t *de;
+ u32 len;
+
+ 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;
+
+ len = strlen (tag) + 1;
+ de->tag = clib_mem_alloc (len);
+ clib_memcpy (de->tag, tag, len);
+}
+
+
+static void
+map_free_extras (u32 map_domain_index)
+{
+ map_main_t *mm = &map_main;
+ map_domain_extra_t *de;
+ char *tag;
+
+ if (map_domain_index == ~0)
+ return;
+
+ de = vec_elt_at_index (mm->domain_extras, map_domain_index);
+ tag = de->tag;
+ if (!tag)
+ return;
+
+ clib_mem_free (tag);
+ de->tag = 0;
+}
+
int
map_create_domain (ip4_address_t * ip4_prefix,
@@ -69,7 +115,8 @@ 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, char *tag)
{
u8 suffix_len, suffix_shift;
map_main_t *mm = &map_main;
@@ -122,6 +169,10 @@ map_create_domain (ip4_address_t * ip4_prefix,
d->psid_mask = (1 << d->psid_length) - 1;
d->ea_shift = 64 - ip6_prefix_len - suffix_len - d->psid_length;
+ /* Save a user-assigned MAP domain name if provided. */
+ if (tag)
+ map_save_extras (*map_domain_index, tag);
+
/* 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);
@@ -173,6 +224,9 @@ map_delete_domain (u32 map_domain_index)
mm->ip6_src_prefix_tbl->delete (mm->ip6_src_prefix_tbl, &d->ip6_src,
d->ip6_src_len);
+ /* Release user-assigned MAP domain name. */
+ map_free_extras (map_domain_index);
+
/* Deleting rules */
if (d->rules)
clib_mem_free (d->rules);
@@ -476,6 +530,7 @@ map_add_domain_command_fn (vlib_main_t * vm,
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;
@@ -511,6 +566,8 @@ map_add_domain_command_fn (vlib_main_t * vm,
num_m_args++;
else if (unformat (line_input, "mtu %d", &mtu))
num_m_args++;
+ else if (unformat (line_input, "tag %s", &tag))
+ ;
else
{
error = clib_error_return (0, "unknown input `%U'",
@@ -528,7 +585,7 @@ map_add_domain_command_fn (vlib_main_t * vm,
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, (char *) tag);
done:
unformat_free (line_input);
@@ -870,16 +927,20 @@ format_map_domain (u8 * s, va_list * args)
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 {%s} 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,
@@ -891,10 +952,10 @@ format_map_domain (u8 * s, va_list * args)
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);
}
@@ -2078,7 +2139,8 @@ VLIB_CLI_COMMAND(map_fragment_command, static) = {
?*/
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,