{
lisp_cp_main_t * lcm = vnet_lisp_cp_get_main();
u32 mi, * map_indexp, map_index, i;
- mapping_t * m;
+ mapping_t * m, * old_map;
u32 ** eid_indexes;
mi = gid_dictionary_lookup (&lcm->mapping_index_by_gid, &a->deid);
+ old_map = mi != ~0 ? pool_elt_at_index (lcm->mapping_pool, mi) : 0;
if (a->is_add)
{
/* TODO check if overwriting and take appropriate actions */
- if (mi != GID_LOOKUP_MISS)
+ if (mi != GID_LOOKUP_MISS && !gid_address_cmp (&old_map->eid,
+ &a->deid))
{
clib_warning("eid %U found in the eid-table", format_ip_address,
&a->deid);
m->eid = a->deid;
m->locator_set_index = a->locator_set_index;
m->ttl = a->ttl;
+ m->action = a->action;
m->local = a->local;
map_index = m - lcm->mapping_pool;
ai->vni = vni;
ai->table_id = table_id[0];
vnet_lisp_gpe_add_del_iface (ai, 0);
+ hash_unset (lcm->dp_if_refcount_by_vni, vni);
}
}
ip_prefix_t * prefp = &gid_address_ippref(&eid);
gid_address_t * eids = 0;
clib_error_t * error = 0;
- u8 * locator_set_name;
+ u8 * locator_set_name = 0;
u32 locator_set_index = 0, map_index = 0;
uword * p;
vnet_lisp_add_del_mapping_args_t _a, * a = &_a;
vnet_lisp_add_del_local_mapping (a, &map_index);
done:
vec_free(eids);
+ if (locator_set_name)
+ vec_free (locator_set_name);
return error;
}
.function = lisp_add_del_local_eid_command_fn,
};
+static int
+lisp_add_del_negative_static_mapping (gid_address_t * deid,
+ vnet_lisp_add_del_locator_set_args_t * ls, u8 action, u8 is_add)
+{
+ uword * p;
+ mapping_t * map;
+ u32 mi = ~0;
+ lisp_cp_main_t * lcm = vnet_lisp_cp_get_main ();
+ uword * refc;
+ vnet_lisp_add_del_mapping_args_t _dm_args, * dm_args = &_dm_args;
+ int rv = 0;
+ u32 ls_index = 0, dst_map_index;
+ vnet_lisp_gpe_add_del_iface_args_t _ai, *ai = &_ai;
+
+ memset (dm_args, 0, sizeof (dm_args[0]));
+ u32 vni = gid_address_vni (deid);
+ refc = hash_get (lcm->dp_if_refcount_by_vni, vni);
+
+ p = hash_get (lcm->table_id_by_vni, vni);
+ if (!p)
+ {
+ clib_warning ("vni %d not associated to a vrf!", vni);
+ return VNET_API_ERROR_INVALID_VALUE;
+ }
+
+ if (is_add)
+ {
+ vnet_lisp_add_del_locator_set (ls, &ls_index);
+ /* add mapping */
+ gid_address_copy (&dm_args->deid, deid);
+ dm_args->is_add = 1;
+ dm_args->action = action;
+ dm_args->locator_set_index = ls_index;
+
+ /* create interface or update refcount */
+ if (!refc)
+ {
+ vnet_lisp_gpe_add_del_iface_args_t _ai, *ai = &_ai;
+ ai->is_add = 1;
+ ai->vni = vni;
+ ai->table_id = p[0];
+ vnet_lisp_gpe_add_del_iface (ai, 0);
+
+ /* counts the number of eids in a vni that use the interface */
+ hash_set (lcm->dp_if_refcount_by_vni, vni, 1);
+ }
+ else
+ refc[0]++;
+
+ rv = vnet_lisp_add_del_local_mapping (dm_args, &dst_map_index);
+ if (!rv)
+ add_fwd_entry (lcm, lcm->pitr_map_index, dst_map_index);
+ }
+ else
+ {
+ mi = gid_dictionary_lookup (&lcm->mapping_index_by_gid, deid);
+ if ((u32)~0 == mi)
+ {
+ clib_warning ("eid %U marked for removal, but not found in "
+ "map-cache!", unformat_gid_address, deid);
+ return VNET_API_ERROR_INVALID_VALUE;
+ }
+
+ /* delete forwarding entry */
+ del_fwd_entry (lcm, 0, mi);
+
+ dm_args->is_add = 0;
+ gid_address_copy (&dm_args->deid, deid);
+ map = pool_elt_at_index (lcm->mapping_pool, mi);
+ dm_args->locator_set_index = map->locator_set_index;
+
+ /* delete mapping associated to fwd entry */
+ vnet_lisp_add_del_mapping (dm_args, 0);
+
+ refc = hash_get (lcm->dp_if_refcount_by_vni, vni);
+ ASSERT(refc != 0);
+ refc[0]--;
+
+ /* remove iface if needed */
+ if (refc[0] == 0)
+ {
+ ai->is_add = 0;
+ ai->vni = vni;
+ ai->table_id = p[0];
+ vnet_lisp_gpe_add_del_iface (ai, 0);
+ hash_unset (lcm->dp_if_refcount_by_vni, vni);
+ }
+ }
+ return rv;
+}
+
/**
* Adds/removes/updates static remote mapping.
*
/* new mapping */
if ((u32)~0 == mi)
{
+ ls->is_add = 1;
+ ls->index = ~0;
+
+ /* process a negative mapping */
+ if (0 == vec_len (rlocs))
+ return lisp_add_del_negative_static_mapping (deid, ls,
+ action, is_add);
+
if ((u32)~0 == src_map_index)
{
clib_warning ("seid %U not found!", format_gid_address, seid);
goto done;
}
- ls->is_add = 1;
- ls->index = ~0;
vnet_lisp_add_del_locator_set (ls, &ls_index);
/* add mapping */
ip_address_t rloc, * rlocs = 0;
ip_prefix_t * deid_ippref, * seid_ippref;
gid_address_t seid, deid;
- u8 deid_set = 0, seid_set = 0;
+ u8 deid_set = 0;
+ u8 * s = 0;
u32 vni, action = ~0;
/* Get a line of input. */
}
else if (unformat (line_input, "seid %U",
unformat_ip_prefix, seid_ippref))
- seid_set = 1;
+ ;
else if (unformat (line_input, "rloc %U", unformat_ip_address, &rloc))
vec_add1 (rlocs, rloc);
- else if (unformat (line_input, "action %d", &action))
- ;
+ else if (unformat (line_input, "action %s", &s))
+ {
+ if (!strcmp ((char *)s, "no-action"))
+ action = ACTION_NONE;
+ if (!strcmp ((char *)s, "natively-forward"))
+ action = ACTION_NATIVELY_FORWARDED;
+ if (!strcmp ((char *)s, "send-map-request"))
+ action = ACTION_SEND_MAP_REQUEST;
+ else if (!strcmp ((char *)s, "drop"))
+ action = ACTION_DROP;
+ else
+ {
+ clib_warning ("invalid action: '%s'", s);
+ goto done;
+ }
+ }
else
{
clib_warning ("parse error");
}
}
- if (is_add && (!deid_set || !seid_set))
- {
- clib_warning ("missing paramete(s)!");
- goto done;
- }
-
- if (!is_add && !deid_set)
+ if (!deid_set)
{
clib_warning ("missing deid!");
goto done;
done:
unformat_free (line_input);
+ if (s)
+ vec_free (s);
return error;
}
VLIB_CLI_COMMAND (lisp_add_del_remote_mapping_command) = {
.path = "lisp remote-mapping",
- .short_help = "lisp remote-mapping add|del vni <vni> deid <dest-eid> "
- "seid <src-eid> rloc <dst-locator> [rloc <dst-locator> ... ]",
+ .short_help = "lisp remote-mapping add|del vni <vni>"
+ "deid <dest-eid> seid <src-eid> [action <no-action|natively-forward|"
+ "send-map-request|drop>] rloc <dst-locator> [rloc <dst-locator> ... ]",
.function = lisp_add_del_remote_mapping_command_fn,
};
+int
+vnet_lisp_pitr_set_locator_set (u8 * locator_set_name, u8 is_add)
+{
+ lisp_cp_main_t * lcm = vnet_lisp_cp_get_main ();
+ u32 locator_set_index = ~0;
+ mapping_t * m;
+ uword * p;
+
+ p = hash_get_mem (lcm->locator_set_index_by_name, locator_set_name);
+ if (!p)
+ {
+ clib_warning ("locator-set %v doesn't exist", locator_set_name);
+ return -1;
+ }
+ locator_set_index = p[0];
+
+ if (is_add)
+ {
+ pool_get (lcm->mapping_pool, m);
+ m->locator_set_index = locator_set_index;
+ m->local = 1;
+ lcm->pitr_map_index = m - lcm->mapping_pool;
+
+ /* enable pitr mode */
+ lcm->lisp_pitr = 1;
+ }
+ else
+ {
+ /* remove pitr mapping */
+ pool_put_index (lcm->mapping_pool, lcm->pitr_map_index);
+
+ /* disable pitr mode */
+ lcm->lisp_pitr = 0;
+ }
+ return 0;
+}
+
+static clib_error_t *
+lisp_pitr_set_locator_set_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ u8 locator_name_set = 0;
+ u8 * locator_set_name = 0;
+ u8 is_add = 1;
+ unformat_input_t _line_input, * line_input = &_line_input;
+
+ /* 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, "ls %_%v%_", &locator_set_name))
+ locator_name_set = 1;
+ else if (unformat (line_input, "disable"))
+ is_add = 0;
+ else
+ return clib_error_return (0, "parse error");
+ }
+
+ if (!locator_name_set)
+ {
+ clib_warning ("No locator set specified!");
+ goto done;
+ }
+ vnet_lisp_pitr_set_locator_set (locator_set_name, is_add);
+
+done:
+ if (locator_set_name)
+ vec_free (locator_set_name);
+ return 0;
+}
+
+VLIB_CLI_COMMAND (lisp_pitr_set_locator_set_command) = {
+ .path = "lisp pitr",
+ .short_help = "lisp pitr [disable] ls <locator-set-name>",
+ .function = lisp_pitr_set_locator_set_command_fn,
+};
+
static clib_error_t *
lisp_show_local_eid_table_command_fn (vlib_main_t * vm,
unformat_input_t * input,
done:
vec_free(locators);
- vec_free(locator_set_name);
+ if (locator_set_name)
+ vec_free (locator_set_name);
return error;
}
ip_address_t mr_ip, sloc;
/* get locator-set for seid */
- map_index = gid_dictionary_lookup (&lcm->mapping_index_by_gid, seid);
- if (map_index == ~0)
+ if (!lcm->lisp_pitr)
{
- clib_warning("No local mapping found in eid-table for %U!",
- format_gid_address, seid);
- return;
- }
+ map_index = gid_dictionary_lookup (&lcm->mapping_index_by_gid, seid);
+ if (map_index == ~0)
+ {
+ clib_warning("No local mapping found in eid-table for %U!",
+ format_gid_address, seid);
+ return;
+ }
- map = pool_elt_at_index (lcm->mapping_pool, map_index);
+ map = pool_elt_at_index (lcm->mapping_pool, map_index);
- if (!map->local)
+ if (!map->local)
+ {
+ clib_warning("Mapping found for src eid %U is not marked as local!",
+ format_gid_address, seid);
+ return;
+ }
+ }
+ else
{
- clib_warning("Mapping found for src eid %U is not marked as local!",
- format_gid_address, seid);
- return;
+ map_index = lcm->pitr_map_index;
+ map = pool_elt_at_index (lcm->mapping_pool, lcm->pitr_map_index);
}
+
loc_set = pool_elt_at_index (lcm->locator_set_pool, map->locator_set_index);
/* get local iface ip to use in map-request XXX fib 0 for now*/
di = gid_dictionary_lookup (&lcm->mapping_index_by_gid, &dst);
if (~0 != di)
{
- si = gid_dictionary_lookup (&lcm->mapping_index_by_gid, &src);
- if (~0 != si)
+ mapping_t * m = vec_elt_at_index (lcm->mapping_pool, di);
+ /* send a map-request also in case of negative mapping entry
+ with corresponding action */
+ if (m->action == ACTION_SEND_MAP_REQUEST)
{
- add_fwd_entry (lcm, si, di);
+ /* send map-request */
+ send_encapsulated_map_request (vm, lcm, &src, &dst, 0);
+ pkts_mapped++;
+ }
+ else
+ {
+ si = gid_dictionary_lookup (&lcm->mapping_index_by_gid,
+ &src);
+ if (~0 != si)
+ {
+ add_fwd_entry (lcm, si, di);
+ }
}
}
else
void
process_map_reply (lisp_cp_main_t * lcm, vlib_buffer_t * b)
{
+ mapping_t * old_map;
locator_t * loc;
u32 len = 0, i, ls_index = 0;
void * h;
}
mi = gid_dictionary_lookup (&lcm->mapping_index_by_gid, &m_args->deid);
+ old_map = mi != ~0 ? pool_elt_at_index(lcm->mapping_pool, mi) : 0;
/* if mapping already exists, decide if locators (and forwarding) should
* be updated and be done */
- if (mi != ~0)
+ if (old_map != 0 && !gid_address_cmp (&old_map->eid, &m_args->deid))
{
- mapping_t * old_map;
locator_set_t * old_ls;
- old_map = pool_elt_at_index(lcm->mapping_pool, mi);
/* update mapping attributes */
old_map->action = m_args->action;
Code Review / vpp.git / blobdiff