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-rw-r--r--src/plugins/map/map.api18
-rw-r--r--src/plugins/map/map.c78
-rw-r--r--src/plugins/map/map.h16
-rw-r--r--src/plugins/map/map_api.c37
4 files changed, 135 insertions, 14 deletions
diff --git a/src/plugins/map/map.api b/src/plugins/map/map.api
index f64fe4ccd0d..74133c9df23 100644
--- a/src/plugins/map/map.api
+++ b/src/plugins/map/map.api
@@ -13,7 +13,7 @@
* limitations under the License.
*/
-option version = "3.0.0";
+option version = "3.1.0";
import "vnet/ip/ip_types.api";
@@ -27,6 +27,7 @@ import "vnet/ip/ip_types.api";
@param psid_offset - Port Set Identifider (PSID) offset
@param psid_length - PSID length
@param mtu - MTU
+ @param tag - A user field stored with the MAP
*/
define map_add_domain
{
@@ -39,6 +40,7 @@ define map_add_domain
u8 psid_offset;
u8 psid_length;
u16 mtu;
+ string tag;
};
/** \brief Reply for MAP domain add
@@ -94,6 +96,19 @@ define map_domain_dump
u32 context;
};
+/** \brief Details about a single MAP domain
+ @param context - returned sender context, to match reply w/ request
+ @param domain_index - MAP domain index
+ @param ip6_prefix - Rule IPv6 prefix
+ @param ip4_prefix - Rule IPv4 prefix
+ @param ip6_src - MAP domain IPv6 BR address / Tunnel source
+ @param ea_bits_len - Embedded Address bits length
+ @param psid_offset - Port Set Identifider (PSID) offset
+ @param psid_length - PSID length
+ @param flags -
+ @param mtu - MTU
+ @param tag - The user field stored with the MAP at creation time
+*/
define map_domain_details
{
u32 context;
@@ -106,6 +121,7 @@ define map_domain_details
u8 psid_length;
u8 flags;
u16 mtu;
+ string tag;
};
define map_rule_dump
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,
diff --git a/src/plugins/map/map.h b/src/plugins/map/map.h
index 22ab7193ab4..a692b641768 100644
--- a/src/plugins/map/map.h
+++ b/src/plugins/map/map.h
@@ -36,7 +36,7 @@ int map_create_domain (ip4_address_t * ip4_prefix, u8 ip4_prefix_len,
ip6_address_t * ip6_prefix, u8 ip6_prefix_len,
ip6_address_t * ip6_src, u8 ip6_src_len,
u8 ea_bits_len, u8 psid_offset, u8 psid_length,
- u32 * map_domain_index, u16 mtu, u8 flags);
+ u32 * map_domain_index, u16 mtu, u8 flags, char *tag);
int map_delete_domain (u32 map_domain_index);
int map_add_del_psid (u32 map_domain_index, u16 psid, ip6_address_t * tep,
bool is_add);
@@ -97,7 +97,8 @@ typedef enum
/*
* This structure _MUST_ be no larger than a single cache line (64 bytes).
- * If more space is needed make a union of ip6_prefix and *rules, those are mutually exclusive.
+ * If more space is needed make a union of ip6_prefix and *rules, as
+ * those are mutually exclusive.
*/
typedef struct
{
@@ -129,6 +130,16 @@ typedef struct
STATIC_ASSERT ((sizeof (map_domain_t) <= CLIB_CACHE_LINE_BYTES),
"MAP domain fits in one cacheline");
+/*
+ * Extra data about a domain that doesn't need to be time/space critical.
+ * This structure is in a vector parallel to the main map_domain_t,
+ * and indexed by the same map-domain-index values.
+ */
+typedef struct
+{
+ char *tag; /* Probably a user-assigned domain name. */
+} map_domain_extra_t;
+
#define MAP_REASS_INDEX_NONE ((u16)0xffff)
/*
@@ -251,6 +262,7 @@ extern map_main_pre_resolved_t pre_resolved[FIB_PROTOCOL_MAX];
typedef struct {
/* pool of MAP domains */
map_domain_t *domains;
+ map_domain_extra_t *domain_extras;
/* MAP Domain packet/byte counters indexed by map domain index */
vlib_simple_counter_main_t *simple_domain_counters;
diff --git a/src/plugins/map/map_api.c b/src/plugins/map/map_api.c
index b4f1467d1ac..92abecd3430 100644
--- a/src/plugins/map/map_api.c
+++ b/src/plugins/map/map_api.c
@@ -53,6 +53,16 @@ vl_api_map_add_domain_t_handler (vl_api_map_add_domain_t * mp)
int rv = 0;
u32 index;
u8 flags = 0;
+ char *tag = 0;
+ u32 len;
+
+ len = ntohl (mp->tag.length);
+ if (len > 0)
+ {
+ tag = clib_mem_alloc (len + 1);
+ clib_memcpy (tag, (char *) mp->tag.buf, len);
+ tag[len] = 0;
+ }
rv =
map_create_domain ((ip4_address_t *) & mp->ip4_prefix.prefix,
@@ -61,7 +71,10 @@ vl_api_map_add_domain_t_handler (vl_api_map_add_domain_t * mp)
mp->ip6_prefix.len,
(ip6_address_t *) & mp->ip6_src.prefix,
mp->ip6_src.len, mp->ea_bits_len, mp->psid_offset,
- mp->psid_length, &index, ntohs (mp->mtu), flags);
+ mp->psid_length, &index, ntohs (mp->mtu), flags, tag);
+
+ if (tag)
+ clib_mem_free (tag);
/* *INDENT-OFF* */
REPLY_MACRO2(VL_API_MAP_ADD_DOMAIN_REPLY,
@@ -103,7 +116,9 @@ vl_api_map_domain_dump_t_handler (vl_api_map_domain_dump_t * mp)
vl_api_map_domain_details_t *rmp;
map_main_t *mm = &map_main;
map_domain_t *d;
+ map_domain_extra_t *de;
vl_api_registration_t *reg;
+ u32 map_domain_index;
if (pool_elts (mm->domains) == 0)
return;
@@ -115,11 +130,21 @@ vl_api_map_domain_dump_t_handler (vl_api_map_domain_dump_t * mp)
/* *INDENT-OFF* */
pool_foreach(d, mm->domains,
({
+ u32 len;
+
+ map_domain_index = d - mm->domains;
+ de = vec_elt_at_index(mm->domain_extras, map_domain_index);
+
+ len = 0;
+ if (de->tag)
+ len = strlen(de->tag);
+
/* Make sure every field is initiated (or don't skip the clib_memset()) */
- rmp = vl_msg_api_alloc (sizeof (*rmp));
+ rmp = vl_msg_api_alloc (sizeof (*rmp) + sizeof(rmp->tag.length) + len);
+
rmp->_vl_msg_id = htons(VL_API_MAP_DOMAIN_DETAILS + mm->msg_id_base);
rmp->context = mp->context;
- rmp->domain_index = htonl(d - mm->domains);
+ rmp->domain_index = htonl(map_domain_index);
clib_memcpy(&rmp->ip6_prefix.prefix, &d->ip6_prefix, sizeof(rmp->ip6_prefix.prefix));
clib_memcpy(&rmp->ip4_prefix.prefix, &d->ip4_prefix, sizeof(rmp->ip4_prefix.prefix));
clib_memcpy(&rmp->ip6_src.prefix, &d->ip6_src, sizeof(rmp->ip6_src.prefix));
@@ -132,6 +157,12 @@ vl_api_map_domain_dump_t_handler (vl_api_map_domain_dump_t * mp)
rmp->flags = d->flags;
rmp->mtu = htons(d->mtu);
+ if (de->tag)
+ {
+ rmp->tag.length = htonl (len);
+ clib_memcpy ((char *)rmp->tag.buf, de->tag, len);
+ }
+
vl_api_send_msg (reg, (u8 *) rmp);
}));
/* *INDENT-ON* */