static void
add_fwd_entry (lisp_cp_main_t* lcm, u32 src_map_index, u32 dst_map_index);
+static void
+del_fwd_entry (lisp_cp_main_t * lcm, u32 src_map_index, u32 dst_map_index);
+
+static u8
+compare_locators (lisp_cp_main_t *lcm, u32 * old_ls_indexes,
+ locator_t * new_locators);
+
/* Stores mapping in map-cache. It does NOT program data plane forwarding for
* remote/learned mappings. */
int
.function = lisp_add_del_local_eid_command_fn,
};
+/**
+ * Adds/removes/updates static remote mapping.
+ *
+ * This function also modifies forwarding entries if needed.
+ *
+ * @param deid destination EID
+ * @param seid source EID
+ * @param rlocs vector of remote locators
+ * @param action action for negative map-reply
+ * @param is_add add mapping if non-zero, delete otherwise
+ * @return return code
+ */
+int
+vnet_lisp_add_del_remote_mapping (gid_address_t * deid, gid_address_t * seid,
+ ip_address_t * rlocs, u8 action, u8 is_add)
+{
+ vnet_lisp_add_del_mapping_args_t _dm_args, * dm_args = &_dm_args;
+ vnet_lisp_add_del_mapping_args_t _sm_args, * sm_args = &_sm_args;
+ vnet_lisp_add_del_locator_set_args_t _ls, * ls = &_ls;
+ lisp_cp_main_t * lcm = vnet_lisp_cp_get_main ();
+ u32 mi, ls_index = 0, dst_map_index, src_map_index;
+ locator_t loc;
+ ip_address_t * dl;
+ int rc = -1;
+
+ memset (sm_args, 0, sizeof (sm_args[0]));
+ memset (dm_args, 0, sizeof (dm_args[0]));
+ memset (ls, 0, sizeof (ls[0]));
+
+ /* prepare remote locator set */
+ vec_foreach (dl, rlocs)
+ {
+ memset (&loc, 0, sizeof (loc));
+ gid_address_ip (&loc.address) = dl[0];
+ vec_add1 (ls->locators, loc);
+ }
+ src_map_index = gid_dictionary_lookup (&lcm->mapping_index_by_gid, seid);
+
+ mi = gid_dictionary_lookup (&lcm->mapping_index_by_gid, deid);
+ /* new mapping */
+ if ((u32)~0 == mi)
+ {
+ if ((u32)~0 == src_map_index)
+ {
+ clib_warning ("seid %U not found!", format_gid_address, seid);
+ goto done;
+ }
+
+ if (!is_add)
+ {
+ clib_warning ("deid %U marked for removal but not "
+ "found!", format_gid_address, deid);
+ goto done;
+ }
+
+ ls->is_add = 1;
+ ls->index = ~0;
+ 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;
+ vnet_lisp_add_del_mapping (dm_args, &dst_map_index);
+
+ /* add fwd tunnel */
+ add_fwd_entry (lcm, src_map_index, dst_map_index);
+ }
+ else
+ {
+ /* delete mapping */
+ if (!is_add)
+ {
+ /* delete forwarding entry */
+ del_fwd_entry (lcm, 0, mi);
+ dm_args->is_add = 0;
+ gid_address_copy (&dm_args->deid, deid);
+ mapping_t * 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);
+
+ ls->is_add = 0;
+ ls->index = map->locator_set_index;
+ /* delete locator set */
+ vnet_lisp_add_del_locator_set (ls, 0);
+ }
+ /* update existing locator set */
+ else
+ {
+ if ((u32)~0 == src_map_index)
+ {
+ clib_warning ("seid %U not found!", format_gid_address, seid);
+ goto done;
+ }
+
+ 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 = action;
+
+ old_ls = pool_elt_at_index(lcm->locator_set_pool,
+ old_map->locator_set_index);
+ if (compare_locators (lcm, old_ls->locator_indices,
+ ls->locators))
+ {
+ /* set locator-set index to overwrite */
+ ls->is_add = 1;
+ ls->index = old_map->locator_set_index;
+ vnet_lisp_add_del_locator_set (ls, 0);
+ add_fwd_entry (lcm, src_map_index, mi);
+ }
+ }
+ }
+ /* success */
+ rc = 0;
+done:
+ vec_free (ls->locators);
+ return rc;
+}
+
+/**
+ * Handler for add/del remote mapping CLI.
+ *
+ * @param vm vlib context
+ * @param input input from user
+ * @param cmd cmd
+ * @return pointer to clib error structure
+ */
+static clib_error_t *
+lisp_add_del_remote_mapping_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ clib_error_t * error = 0;
+ unformat_input_t _line_input, * line_input = &_line_input;
+ u8 is_add = 1;
+ 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;
+ u32 vni, action = ~0;
+
+ /* Get a line of input. */
+ if (! unformat_user (input, unformat_line_input, line_input))
+ return 0;
+
+ memset (&deid, 0, sizeof (deid));
+ memset (&seid, 0, sizeof (seid));
+
+ seid_ippref = &gid_address_ippref(&seid);
+ deid_ippref = &gid_address_ippref(&deid);
+
+ gid_address_type (&deid) = GID_ADDR_IP_PREFIX;
+ gid_address_type (&seid) = GID_ADDR_IP_PREFIX;
+
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (line_input, "del"))
+ is_add = 0;
+ if (unformat (line_input, "add"))
+ ;
+ else if (unformat (line_input, "deid %U",
+ unformat_ip_prefix, deid_ippref))
+ {
+ deid_set = 1;
+ }
+ else if (unformat (line_input, "vni %u", &vni))
+ {
+ gid_address_set_vni (&seid, vni);
+ gid_address_set_vni (&deid, vni);
+ }
+ 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
+ {
+ clib_warning ("parse error");
+ goto done;
+ }
+ }
+
+ if (is_add && (!deid_set || !seid_set))
+ {
+ clib_warning ("missing paramete(s)!");
+ goto done;
+ }
+
+ if (!is_add && !deid_set)
+ {
+ clib_warning ("missing deid!");
+ goto done;
+ }
+
+ if (is_add
+ && (ip_prefix_version (deid_ippref)
+ != ip_prefix_version (seid_ippref)))
+ {
+ clib_warning ("source and destination EIDs are not"
+ " in the same IP family!");
+ goto done;
+ }
+
+ if (is_add && (~0 == action)
+ && 0 == vec_len (rlocs))
+ {
+ clib_warning ("no action set for negative map-reply!");
+ goto done;
+ }
+
+ int rv = vnet_lisp_add_del_remote_mapping (&deid, &seid, rlocs,
+ action, is_add);
+ if (rv)
+ clib_warning ("failed to %s remote mapping!",
+ is_add ? "add" : "delete");
+
+done:
+ unformat_free (line_input);
+ 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> ... ]",
+ .function = lisp_add_del_remote_mapping_command_fn,
+};
+
static clib_error_t *
lisp_show_local_eid_table_command_fn (vlib_main_t * vm,
unformat_input_t * input,
return ip_interface_address_get_address (lm, ia);
}
-void
+static void
del_fwd_entry (lisp_cp_main_t * lcm, u32 src_map_index,
u32 dst_map_index)
{
Code Review / vpp.git / blobdiff