* limitations under the License.
*/
+#include <vlibmemory/api.h>
#include <vnet/lisp-cp/control.h>
#include <vnet/lisp-cp/packets.h>
#include <vnet/lisp-cp/lisp_msg_serdes.h>
#include <vnet/lisp-gpe/lisp_gpe.h>
+#include <vnet/lisp-gpe/lisp_gpe_fwd_entry.h>
+#include <vnet/lisp-gpe/lisp_gpe_tenant.h>
+#include <vnet/fib/fib_entry.h>
+#include <vnet/fib/fib_table.h>
+
+typedef struct
+{
+ u8 is_resend;
+ gid_address_t seid;
+ gid_address_t deid;
+ u8 smr_invoked;
+} map_request_args_t;
+
+u8
+vnet_lisp_get_map_request_mode (void)
+{
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+ return lcm->map_request_mode;
+}
+
+static int
+queue_map_request (gid_address_t * seid, gid_address_t * deid,
+ u8 smr_invoked, u8 is_resend);
+
+ip_interface_address_t *
+ip_interface_get_first_interface_address (ip_lookup_main_t * lm,
+ u32 sw_if_index, u8 loop)
+{
+ vnet_main_t *vnm = vnet_get_main ();
+ vnet_sw_interface_t *swif = vnet_get_sw_interface (vnm, sw_if_index);
+ if (loop && swif->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED)
+ sw_if_index = swif->unnumbered_sw_if_index;
+ u32 ia =
+ (vec_len ((lm)->if_address_pool_index_by_sw_if_index) > (sw_if_index)) ?
+ vec_elt ((lm)->if_address_pool_index_by_sw_if_index, (sw_if_index)) :
+ (u32) ~ 0;
+ return pool_elt_at_index ((lm)->if_address_pool, ia);
+}
+
+void *
+ip_interface_get_first_address (ip_lookup_main_t * lm, u32 sw_if_index,
+ u8 version)
+{
+ ip_interface_address_t *ia;
+
+ ia = ip_interface_get_first_interface_address (lm, sw_if_index, 1);
+ if (!ia)
+ return 0;
+ return ip_interface_address_get_address (lm, ia);
+}
+
+int
+ip_interface_get_first_ip_address (lisp_cp_main_t * lcm, u32 sw_if_index,
+ u8 version, ip_address_t * result)
+{
+ ip_lookup_main_t *lm;
+ void *addr;
+
+ lm = (version == IP4) ? &lcm->im4->lookup_main : &lcm->im6->lookup_main;
+ addr = ip_interface_get_first_address (lm, sw_if_index, version);
+ if (!addr)
+ return 0;
+
+ ip_address_set (result, addr, version);
+ return 1;
+}
+
+/**
+ * convert from a LISP address to a FIB prefix
+ */
+void
+ip_address_to_fib_prefix (const ip_address_t * addr, fib_prefix_t * prefix)
+{
+ if (addr->version == IP4)
+ {
+ prefix->fp_len = 32;
+ prefix->fp_proto = FIB_PROTOCOL_IP4;
+ memset (&prefix->fp_addr.pad, 0, sizeof (prefix->fp_addr.pad));
+ memcpy (&prefix->fp_addr.ip4, &addr->ip, sizeof (prefix->fp_addr.ip4));
+ }
+ else
+ {
+ prefix->fp_len = 128;
+ prefix->fp_proto = FIB_PROTOCOL_IP6;
+ memcpy (&prefix->fp_addr.ip6, &addr->ip, sizeof (prefix->fp_addr.ip6));
+ }
+}
+
+/**
+ * convert from a LISP to a FIB prefix
+ */
+void
+ip_prefix_to_fib_prefix (const ip_prefix_t * ip_prefix,
+ fib_prefix_t * fib_prefix)
+{
+ ip_address_to_fib_prefix (&ip_prefix->addr, fib_prefix);
+ fib_prefix->fp_len = ip_prefix->len;
+}
+
+/**
+ * Find the sw_if_index of the interface that would be used to egress towards
+ * dst.
+ */
+u32
+ip_fib_get_egress_iface_for_dst (lisp_cp_main_t * lcm, ip_address_t * dst)
+{
+ fib_node_index_t fei;
+ fib_prefix_t prefix;
+
+ ip_address_to_fib_prefix (dst, &prefix);
+
+ fei = fib_table_lookup (0, &prefix);
+
+ return (fib_entry_get_resolving_interface (fei));
+}
+
+/**
+ * Find first IP of the interface that would be used to egress towards dst.
+ * Returns 1 if the address is found 0 otherwise.
+ */
+int
+ip_fib_get_first_egress_ip_for_dst (lisp_cp_main_t * lcm, ip_address_t * dst,
+ ip_address_t * result)
+{
+ u32 si;
+ ip_lookup_main_t *lm;
+ void *addr = 0;
+ u8 ipver;
+
+ ASSERT (result != 0);
+
+ ipver = ip_addr_version (dst);
+
+ lm = (ipver == IP4) ? &lcm->im4->lookup_main : &lcm->im6->lookup_main;
+ si = ip_fib_get_egress_iface_for_dst (lcm, dst);
+
+ if ((u32) ~ 0 == si)
+ return 0;
+
+ /* find the first ip address */
+ addr = ip_interface_get_first_address (lm, si, ipver);
+ if (0 == addr)
+ return 0;
+
+ ip_address_set (result, addr, ipver);
+ return 1;
+}
+
+static int
+dp_add_del_iface (lisp_cp_main_t * lcm, u32 vni, u8 is_l2, u8 is_add)
+{
+ uword *dp_table;
+
+ if (!is_l2)
+ {
+ dp_table = hash_get (lcm->table_id_by_vni, vni);
+
+ if (!dp_table)
+ {
+ clib_warning ("vni %d not associated to a vrf!", vni);
+ return VNET_API_ERROR_INVALID_VALUE;
+ }
+ }
+ else
+ {
+ dp_table = hash_get (lcm->bd_id_by_vni, vni);
+ if (!dp_table)
+ {
+ clib_warning ("vni %d not associated to a bridge domain!", vni);
+ return VNET_API_ERROR_INVALID_VALUE;
+ }
+ }
+
+ /* enable/disable data-plane interface */
+ if (is_add)
+ {
+ if (is_l2)
+ lisp_gpe_tenant_l2_iface_add_or_lock (vni, dp_table[0]);
+ else
+ lisp_gpe_tenant_l3_iface_add_or_lock (vni, dp_table[0]);
+ }
+ else
+ {
+ if (is_l2)
+ lisp_gpe_tenant_l2_iface_unlock (vni);
+ else
+ lisp_gpe_tenant_l3_iface_unlock (vni);
+ }
+
+ return 0;
+}
+
+static void
+dp_del_fwd_entry (lisp_cp_main_t * lcm, u32 src_map_index, u32 dst_map_index)
+{
+ vnet_lisp_gpe_add_del_fwd_entry_args_t _a, *a = &_a;
+ fwd_entry_t *fe = 0;
+ uword *feip = 0;
+ memset (a, 0, sizeof (*a));
+
+ feip = hash_get (lcm->fwd_entry_by_mapping_index, dst_map_index);
+ if (!feip)
+ return;
+
+ fe = pool_elt_at_index (lcm->fwd_entry_pool, feip[0]);
+
+ /* delete dp fwd entry */
+ u32 sw_if_index;
+ a->is_add = 0;
+ a->locator_pairs = fe->locator_pairs;
+ a->vni = gid_address_vni (&fe->reid);
+ gid_address_copy (&a->rmt_eid, &fe->reid);
+
+ vnet_lisp_gpe_add_del_fwd_entry (a, &sw_if_index);
+
+ /* delete entry in fwd table */
+ hash_unset (lcm->fwd_entry_by_mapping_index, dst_map_index);
+ vec_free (fe->locator_pairs);
+ pool_put (lcm->fwd_entry_pool, fe);
+}
+
+/**
+ * Finds first remote locator with best (lowest) priority that has a local
+ * peer locator with an underlying route to it.
+ *
+ */
+static u32
+get_locator_pairs (lisp_cp_main_t * lcm, mapping_t * lcl_map,
+ mapping_t * rmt_map, locator_pair_t ** locator_pairs)
+{
+ u32 i, limitp = 0, li, found = 0, esi;
+ locator_set_t *rmt_ls, *lcl_ls;
+ ip_address_t _lcl_addr, *lcl_addr = &_lcl_addr;
+ locator_t *lp, *rmt = 0;
+ uword *checked = 0;
+ locator_pair_t pair;
+
+ rmt_ls =
+ pool_elt_at_index (lcm->locator_set_pool, rmt_map->locator_set_index);
+ lcl_ls =
+ pool_elt_at_index (lcm->locator_set_pool, lcl_map->locator_set_index);
+
+ if (!rmt_ls || vec_len (rmt_ls->locator_indices) == 0)
+ return 0;
+
+ while (1)
+ {
+ rmt = 0;
+
+ /* find unvisited remote locator with best priority */
+ for (i = 0; i < vec_len (rmt_ls->locator_indices); i++)
+ {
+ if (0 != hash_get (checked, i))
+ continue;
+
+ li = vec_elt (rmt_ls->locator_indices, i);
+ lp = pool_elt_at_index (lcm->locator_pool, li);
+
+ /* we don't support non-IP locators for now */
+ if (gid_address_type (&lp->address) != GID_ADDR_IP_PREFIX)
+ continue;
+
+ if ((found && lp->priority == limitp)
+ || (!found && lp->priority >= limitp))
+ {
+ rmt = lp;
+
+ /* don't search for locators with lower priority and don't
+ * check this locator again*/
+ limitp = lp->priority;
+ hash_set (checked, i, 1);
+ break;
+ }
+ }
+ /* check if a local locator with a route to remote locator exists */
+ if (rmt != 0)
+ {
+ /* find egress sw_if_index for rmt locator */
+ esi =
+ ip_fib_get_egress_iface_for_dst (lcm,
+ &gid_address_ip (&rmt->address));
+ if ((u32) ~ 0 == esi)
+ continue;
+
+ for (i = 0; i < vec_len (lcl_ls->locator_indices); i++)
+ {
+ li = vec_elt (lcl_ls->locator_indices, i);
+ locator_t *sl = pool_elt_at_index (lcm->locator_pool, li);
+
+ /* found local locator with the needed sw_if_index */
+ if (sl->sw_if_index == esi)
+ {
+ /* and it has an address */
+ if (0 == ip_interface_get_first_ip_address (lcm,
+ sl->sw_if_index,
+ gid_address_ip_version
+ (&rmt->address),
+ lcl_addr))
+ continue;
+
+ memset (&pair, 0, sizeof (pair));
+ ip_address_copy (&pair.rmt_loc,
+ &gid_address_ip (&rmt->address));
+ ip_address_copy (&pair.lcl_loc, lcl_addr);
+ pair.weight = rmt->weight;
+ vec_add1 (locator_pairs[0], pair);
+ found = 1;
+ }
+ }
+ }
+ else
+ break;
+ }
+
+ hash_free (checked);
+ return found;
+}
+
+static void
+gid_address_sd_to_flat (gid_address_t * dst, gid_address_t * src,
+ fid_address_t * fid)
+{
+ ASSERT (GID_ADDR_SRC_DST == gid_address_type (src));
+
+ dst[0] = src[0];
+
+ switch (fid_addr_type (fid))
+ {
+ case FID_ADDR_IP_PREF:
+ gid_address_type (dst) = GID_ADDR_IP_PREFIX;
+ gid_address_ippref (dst) = fid_addr_ippref (fid);
+ break;
+ case FID_ADDR_MAC:
+ gid_address_type (dst) = GID_ADDR_MAC;
+ mac_copy (gid_address_mac (dst), fid_addr_mac (fid));
+ break;
+ default:
+ clib_warning ("Unsupported fid type %d!", fid_addr_type (fid));
+ break;
+ }
+}
+
+static void
+dp_add_fwd_entry (lisp_cp_main_t * lcm, u32 src_map_index, u32 dst_map_index)
+{
+ vnet_lisp_gpe_add_del_fwd_entry_args_t _a, *a = &_a;
+ mapping_t *src_map, *dst_map;
+ u32 sw_if_index;
+ uword *feip = 0, *dpid;
+ fwd_entry_t *fe;
+ u8 type, is_src_dst = 0;
+
+ memset (a, 0, sizeof (*a));
+
+ /* remove entry if it already exists */
+ feip = hash_get (lcm->fwd_entry_by_mapping_index, dst_map_index);
+ if (feip)
+ dp_del_fwd_entry (lcm, src_map_index, dst_map_index);
+
+ if (lcm->lisp_pitr)
+ src_map = pool_elt_at_index (lcm->mapping_pool, lcm->pitr_map_index);
+ else
+ src_map = pool_elt_at_index (lcm->mapping_pool, src_map_index);
+ dst_map = pool_elt_at_index (lcm->mapping_pool, dst_map_index);
+
+ /* insert data plane forwarding entry */
+ a->is_add = 1;
+
+ if (GID_ADDR_SRC_DST == gid_address_type (&dst_map->eid))
+ {
+ gid_address_sd_to_flat (&a->rmt_eid, &dst_map->eid,
+ &gid_address_sd_dst (&dst_map->eid));
+ gid_address_sd_to_flat (&a->lcl_eid, &dst_map->eid,
+ &gid_address_sd_src (&dst_map->eid));
+ is_src_dst = 1;
+ }
+ else
+ gid_address_copy (&a->rmt_eid, &dst_map->eid);
+
+ a->vni = gid_address_vni (&a->rmt_eid);
+
+ /* get vrf or bd_index associated to vni */
+ type = gid_address_type (&a->rmt_eid);
+ if (GID_ADDR_IP_PREFIX == type)
+ {
+ dpid = hash_get (lcm->table_id_by_vni, a->vni);
+ if (!dpid)
+ {
+ clib_warning ("vni %d not associated to a vrf!", a->vni);
+ return;
+ }
+ a->table_id = dpid[0];
+ }
+ else if (GID_ADDR_MAC == type)
+ {
+ dpid = hash_get (lcm->bd_id_by_vni, a->vni);
+ if (!dpid)
+ {
+ clib_warning ("vni %d not associated to a bridge domain !", a->vni);
+ return;
+ }
+ a->bd_id = dpid[0];
+ }
+
+ /* find best locator pair that 1) verifies LISP policy 2) are connected */
+ if (0 == get_locator_pairs (lcm, src_map, dst_map, &a->locator_pairs))
+ {
+ /* negative entry */
+ a->is_negative = 1;
+ a->action = dst_map->action;
+ }
+
+ /* TODO remove */
+ u8 ipver = ip_prefix_version (&gid_address_ippref (&a->rmt_eid));
+ a->decap_next_index = (ipver == IP4) ?
+ LISP_GPE_INPUT_NEXT_IP4_INPUT : LISP_GPE_INPUT_NEXT_IP6_INPUT;
+
+ vnet_lisp_gpe_add_del_fwd_entry (a, &sw_if_index);
+
+ /* add tunnel to fwd entry table XXX check return value from DP insertion */
+ pool_get (lcm->fwd_entry_pool, fe);
+ fe->locator_pairs = a->locator_pairs;
+ gid_address_copy (&fe->reid, &a->rmt_eid);
+ gid_address_copy (&fe->leid, &src_map->eid);
+ fe->is_src_dst = is_src_dst;
+ hash_set (lcm->fwd_entry_by_mapping_index, dst_map_index,
+ fe - lcm->fwd_entry_pool);
+}
+
+/**
+ * Returns vector of adjacencies.
+ *
+ * The caller must free the vector returned by this function.
+ *
+ * @param vni virtual network identifier
+ * @return vector of adjacencies
+ */
+lisp_adjacency_t *
+vnet_lisp_adjacencies_get_by_vni (u32 vni)
+{
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+ fwd_entry_t *fwd;
+ lisp_adjacency_t *adjs = 0, adj;
+
+ /* *INDENT-OFF* */
+ pool_foreach(fwd, lcm->fwd_entry_pool,
+ ({
+ if (gid_address_vni (&fwd->reid) != vni)
+ continue;
+
+ gid_address_copy (&adj.reid, &fwd->reid);
+ gid_address_copy (&adj.leid, &fwd->leid);
+ vec_add1 (adjs, adj);
+ }));
+ /* *INDENT-ON* */
+
+ return adjs;
+}
+
+static clib_error_t *
+lisp_show_adjacencies_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ lisp_adjacency_t *adjs, *adj;
+ vlib_cli_output (vm, "%s %40s\n", "leid", "reid");
+ unformat_input_t _line_input, *line_input = &_line_input;
+ u32 vni = ~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, "vni %d", &vni))
+ ;
+ else
+ {
+ vlib_cli_output (vm, "parse error: '%U'",
+ format_unformat_error, line_input);
+ return 0;
+ }
+ }
+
+ if (~0 == vni)
+ {
+ vlib_cli_output (vm, "error: no vni specified!");
+ return 0;
+ }
+
+ adjs = vnet_lisp_adjacencies_get_by_vni (vni);
+
+ vec_foreach (adj, adjs)
+ {
+ vlib_cli_output (vm, "%U %40U\n", format_gid_address, &adj->leid,
+ format_gid_address, &adj->reid);
+ }
+ vec_free (adjs);
+
+ return 0;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (lisp_show_adjacencies_command) = {
+ .path = "show lisp adjacencies",
+ .short_help = "show lisp adjacencies",
+ .function = lisp_show_adjacencies_command_fn,
+};
+/* *INDENT-ON* */
+
+/**
+ * Add/remove mapping to/from map-cache. Overwriting not allowed.
+ */
+int
+vnet_lisp_map_cache_add_del (vnet_lisp_add_del_mapping_args_t * a,
+ u32 * map_index_result)
+{
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+ u32 mi, *map_indexp, map_index, i;
+ mapping_t *m, *old_map;
+ u32 **eid_indexes;
+
+ mi = gid_dictionary_lookup (&lcm->mapping_index_by_gid, &a->eid);
+ 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 && !gid_address_cmp (&old_map->eid, &a->eid))
+ {
+ clib_warning ("eid %U found in the eid-table", format_gid_address,
+ &a->eid);
+ return VNET_API_ERROR_VALUE_EXIST;
+ }
+
+ pool_get (lcm->mapping_pool, m);
+ gid_address_copy (&m->eid, &a->eid);
+ m->locator_set_index = a->locator_set_index;
+ m->ttl = a->ttl;
+ m->action = a->action;
+ m->local = a->local;
+ m->is_static = a->is_static;
+
+ map_index = m - lcm->mapping_pool;
+ gid_dictionary_add_del (&lcm->mapping_index_by_gid, &a->eid, map_index,
+ 1);
+
+ if (pool_is_free_index (lcm->locator_set_pool, a->locator_set_index))
+ {
+ clib_warning ("Locator set with index %d doesn't exist",
+ a->locator_set_index);
+ return VNET_API_ERROR_INVALID_VALUE;
+ }
+
+ /* add eid to list of eids supported by locator-set */
+ vec_validate (lcm->locator_set_to_eids, a->locator_set_index);
+ eid_indexes = vec_elt_at_index (lcm->locator_set_to_eids,
+ a->locator_set_index);
+ vec_add1 (eid_indexes[0], map_index);
+
+ if (a->local)
+ {
+ /* mark as local */
+ vec_add1 (lcm->local_mappings_indexes, map_index);
+ }
+ map_index_result[0] = map_index;
+ }
+ else
+ {
+ if (mi == GID_LOOKUP_MISS)
+ {
+ clib_warning ("eid %U not found in the eid-table",
+ format_gid_address, &a->eid);
+ return VNET_API_ERROR_INVALID_VALUE;
+ }
+
+ /* clear locator-set to eids binding */
+ eid_indexes = vec_elt_at_index (lcm->locator_set_to_eids,
+ a->locator_set_index);
+ for (i = 0; i < vec_len (eid_indexes[0]); i++)
+ {
+ map_indexp = vec_elt_at_index (eid_indexes[0], i);
+ if (map_indexp[0] == mi)
+ break;
+ }
+ vec_del1 (eid_indexes[0], i);
+
+ /* remove local mark if needed */
+ m = pool_elt_at_index (lcm->mapping_pool, mi);
+ if (m->local)
+ {
+ u32 k, *lm_indexp;
+ for (k = 0; k < vec_len (lcm->local_mappings_indexes); k++)
+ {
+ lm_indexp = vec_elt_at_index (lcm->local_mappings_indexes, k);
+ if (lm_indexp[0] == mi)
+ break;
+ }
+ vec_del1 (lcm->local_mappings_indexes, k);
+ }
+
+ /* remove mapping from dictionary */
+ gid_dictionary_add_del (&lcm->mapping_index_by_gid, &a->eid, 0, 0);
+ gid_address_free (&m->eid);
+ pool_put_index (lcm->mapping_pool, mi);
+ }
+
+ return 0;
+}
+
+/**
+ * Add/update/delete mapping to/in/from map-cache.
+ */
+int
+vnet_lisp_add_del_local_mapping (vnet_lisp_add_del_mapping_args_t * a,
+ u32 * map_index_result)
+{
+ uword *dp_table = 0;
+ u32 vni;
+ u8 type;
+
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+
+ if (vnet_lisp_enable_disable_status () == 0)
+ {
+ clib_warning ("LISP is disabled!");
+ return VNET_API_ERROR_LISP_DISABLED;
+ }
+
+ vni = gid_address_vni (&a->eid);
+ type = gid_address_type (&a->eid);
+ if (GID_ADDR_IP_PREFIX == type)
+ dp_table = hash_get (lcm->table_id_by_vni, vni);
+ else if (GID_ADDR_MAC == type)
+ dp_table = hash_get (lcm->bd_id_by_vni, vni);
+
+ if (!dp_table)
+ {
+ clib_warning ("vni %d not associated to a %s!", vni,
+ GID_ADDR_IP_PREFIX == type ? "vrf" : "bd");
+ return VNET_API_ERROR_INVALID_VALUE;
+ }
+
+ /* store/remove mapping from map-cache */
+ return vnet_lisp_map_cache_add_del (a, map_index_result);
+}
+
+static clib_error_t *
+lisp_add_del_local_eid_command_fn (vlib_main_t * vm, unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+ unformat_input_t _line_input, *line_input = &_line_input;
+ u8 is_add = 1;
+ gid_address_t eid;
+ gid_address_t *eids = 0;
+ clib_error_t *error = 0;
+ 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;
+ int rv = 0;
+ u32 vni = 0;
+
+ memset (&eid, 0, sizeof (eid));
+ memset (a, 0, sizeof (*a));
+
+ /* 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, "add"))
+ is_add = 1;
+ else if (unformat (line_input, "del"))
+ is_add = 0;
+ else if (unformat (line_input, "eid %U", unformat_gid_address, &eid))
+ ;
+ else if (unformat (line_input, "vni %d", &vni))
+ gid_address_vni (&eid) = vni;
+ else if (unformat (line_input, "locator-set %_%v%_", &locator_set_name))
+ {
+ p = hash_get_mem (lcm->locator_set_index_by_name, locator_set_name);
+ if (!p)
+ {
+ error = clib_error_return (0, "locator-set %s doesn't exist",
+ locator_set_name);
+ goto done;
+ }
+ locator_set_index = p[0];
+ }
+ else
+ {
+ error = unformat_parse_error (line_input);
+ goto done;
+ }
+ }
+ /* XXX treat batch configuration */
+
+ if (GID_ADDR_SRC_DST == gid_address_type (&eid))
+ {
+ error =
+ clib_error_return (0, "src/dst is not supported for local EIDs!");
+ goto done;
+ }
+
+ gid_address_copy (&a->eid, &eid);
+ a->is_add = is_add;
+ a->locator_set_index = locator_set_index;
+ a->local = 1;
+
+ rv = vnet_lisp_add_del_local_mapping (a, &map_index);
+ if (0 != rv)
+ {
+ error = clib_error_return (0, "failed to %s local mapping!",
+ is_add ? "add" : "delete");
+ }
+done:
+ vec_free (eids);
+ if (locator_set_name)
+ vec_free (locator_set_name);
+ gid_address_free (&a->eid);
+ return error;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (lisp_add_del_local_eid_command) = {
+ .path = "lisp eid-table",
+ .short_help = "lisp eid-table add/del [vni <vni>] eid <eid> "
+ "locator-set <locator-set>",
+ .function = lisp_add_del_local_eid_command_fn,
+};
+/* *INDENT-ON* */
+
+int
+vnet_lisp_eid_table_map (u32 vni, u32 dp_id, u8 is_l2, u8 is_add)
+{
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+ uword *dp_idp, *vnip, **dp_table_by_vni, **vni_by_dp_table;
+
+ if (vnet_lisp_enable_disable_status () == 0)
+ {
+ clib_warning ("LISP is disabled!");
+ return -1;
+ }
+
+ dp_table_by_vni = is_l2 ? &lcm->bd_id_by_vni : &lcm->table_id_by_vni;
+ vni_by_dp_table = is_l2 ? &lcm->vni_by_bd_id : &lcm->vni_by_table_id;
+
+ if (!is_l2 && (vni == 0 || dp_id == 0))
+ {
+ clib_warning ("can't add/del default vni-vrf mapping!");
+ return -1;
+ }
+
+ dp_idp = hash_get (dp_table_by_vni[0], vni);
+ vnip = hash_get (vni_by_dp_table[0], dp_id);
+
+ if (is_add)
+ {
+ if (dp_idp || vnip)
+ {
+ clib_warning ("vni %d or vrf %d already used in vrf/vni "
+ "mapping!", vni, dp_id);
+ return -1;
+ }
+ hash_set (dp_table_by_vni[0], vni, dp_id);
+ hash_set (vni_by_dp_table[0], dp_id, vni);
+
+ /* create dp iface */
+ dp_add_del_iface (lcm, vni, is_l2, 1);
+ }
+ else
+ {
+ if (!dp_idp || !vnip)
+ {
+ clib_warning ("vni %d or vrf %d not used in any vrf/vni! "
+ "mapping!", vni, dp_id);
+ return -1;
+ }
+ hash_unset (dp_table_by_vni[0], vni);
+ hash_unset (vni_by_dp_table[0], dp_id);
+
+ /* remove dp iface */
+ dp_add_del_iface (lcm, vni, is_l2, 0);
+ }
+ return 0;
+
+}
+
+static clib_error_t *
+lisp_eid_table_map_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ u8 is_add = 1, is_l2 = 0;
+ u32 vni = 0, dp_id = 0;
+ 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, "del"))
+ is_add = 0;
+ else if (unformat (line_input, "vni %d", &vni))
+ ;
+ else if (unformat (line_input, "vrf %d", &dp_id))
+ ;
+ else if (unformat (line_input, "bd %d", &dp_id))
+ is_l2 = 1;
+ else
+ {
+ return unformat_parse_error (line_input);
+ }
+ }
+ vnet_lisp_eid_table_map (vni, dp_id, is_l2, is_add);
+ return 0;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (lisp_eid_table_map_command) = {
+ .path = "lisp eid-table map",
+ .short_help = "lisp eid-table map [del] vni <vni> vrf <vrf> | bd <bdi>",
+ .function = lisp_eid_table_map_command_fn,
+};
+/* *INDENT-ON* */
+
+/* return 0 if the two locator sets are identical 1 otherwise */
+static u8
+compare_locators (lisp_cp_main_t * lcm, u32 * old_ls_indexes,
+ locator_t * new_locators)
+{
+ u32 i, old_li;
+ locator_t *old_loc, *new_loc;
+
+ if (vec_len (old_ls_indexes) != vec_len (new_locators))
+ return 1;
+
+ for (i = 0; i < vec_len (new_locators); i++)
+ {
+ old_li = vec_elt (old_ls_indexes, i);
+ old_loc = pool_elt_at_index (lcm->locator_pool, old_li);
+
+ new_loc = vec_elt_at_index (new_locators, i);
+
+ if (locator_cmp (old_loc, new_loc))
+ return 1;
+ }
+ return 0;
+}
+
+/**
+ * Adds/removes/updates mapping. Does not program forwarding.
+ *
+ * @param eid end-host identifier
+ * @param rlocs vector of remote locators
+ * @param action action for negative map-reply
+ * @param is_add add mapping if non-zero, delete otherwise
+ * @param res_map_index the map-index that was created/updated/removed. It is
+ * set to ~0 if no action is taken.
+ * @param is_static used for distinguishing between statically learned
+ remote mappings and mappings obtained from MR
+ * @return return code
+ */
+int
+vnet_lisp_add_del_mapping (gid_address_t * eid, locator_t * rlocs, u8 action,
+ u8 authoritative, u32 ttl, u8 is_add, u8 is_static,
+ u32 * res_map_index)
+{
+ vnet_lisp_add_del_mapping_args_t _m_args, *m_args = &_m_args;
+ vnet_lisp_add_del_locator_set_args_t _ls_args, *ls_args = &_ls_args;
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+ u32 mi, ls_index = 0, dst_map_index;
+ mapping_t *old_map;
+
+ if (vnet_lisp_enable_disable_status () == 0)
+ {
+ clib_warning ("LISP is disabled!");
+ return VNET_API_ERROR_LISP_DISABLED;
+ }
+
+ if (res_map_index)
+ res_map_index[0] = ~0;
+
+ memset (m_args, 0, sizeof (m_args[0]));
+ memset (ls_args, 0, sizeof (ls_args[0]));
+
+ ls_args->locators = rlocs;
+
+ mi = gid_dictionary_lookup (&lcm->mapping_index_by_gid, eid);
+ old_map = ((u32) ~ 0 != mi) ? pool_elt_at_index (lcm->mapping_pool, mi) : 0;
+
+ if (is_add)
+ {
+ /* overwrite: if mapping already exists, decide if locators should be
+ * updated and be done */
+ if (old_map && gid_address_cmp (&old_map->eid, eid) == 0)
+ {
+ if (!is_static && (old_map->is_static || old_map->local))
+ {
+ /* do not overwrite local or static remote mappings */
+ clib_warning ("mapping %U rejected due to collision with local "
+ "or static remote mapping!", format_gid_address,
+ &eid);
+ return 0;
+ }
+
+ locator_set_t *old_ls;
+
+ /* update mapping attributes */
+ old_map->action = action;
+ old_map->authoritative = authoritative;
+ old_map->ttl = ttl;
+
+ old_ls = pool_elt_at_index (lcm->locator_set_pool,
+ old_map->locator_set_index);
+ if (compare_locators (lcm, old_ls->locator_indices,
+ ls_args->locators))
+ {
+ /* set locator-set index to overwrite */
+ ls_args->is_add = 1;
+ ls_args->index = old_map->locator_set_index;
+ vnet_lisp_add_del_locator_set (ls_args, 0);
+ if (res_map_index)
+ res_map_index[0] = mi;
+ }
+ }
+ /* new mapping */
+ else
+ {
+ ls_args->is_add = 1;
+ ls_args->index = ~0;
+
+ vnet_lisp_add_del_locator_set (ls_args, &ls_index);
+
+ /* add mapping */
+ gid_address_copy (&m_args->eid, eid);
+ m_args->is_add = 1;
+ m_args->action = action;
+ m_args->locator_set_index = ls_index;
+ m_args->is_static = is_static;
+ vnet_lisp_map_cache_add_del (m_args, &dst_map_index);
+
+ if (res_map_index)
+ res_map_index[0] = dst_map_index;
+ }
+ }
+ else
+ {
+ if (old_map == 0 || gid_address_cmp (&old_map->eid, eid) != 0)
+ {
+ clib_warning ("cannot delete mapping for eid %U",
+ format_gid_address, eid);
+ return -1;
+ }
+
+ m_args->is_add = 0;
+ gid_address_copy (&m_args->eid, eid);
+ m_args->locator_set_index = old_map->locator_set_index;
+
+ /* delete mapping associated from map-cache */
+ vnet_lisp_map_cache_add_del (m_args, 0);
+
+ ls_args->is_add = 0;
+ ls_args->index = old_map->locator_set_index;
+ /* delete locator set */
+ vnet_lisp_add_del_locator_set (ls_args, 0);
+
+ /* return old mapping index */
+ if (res_map_index)
+ res_map_index[0] = mi;
+ }
+
+ /* success */
+ return 0;
+}
+
+int
+vnet_lisp_clear_all_remote_adjacencies (void)
+{
+ int rv = 0;
+ u32 mi, *map_indices = 0, *map_indexp;
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+ vnet_lisp_add_del_mapping_args_t _dm_args, *dm_args = &_dm_args;
+ vnet_lisp_add_del_locator_set_args_t _ls, *ls = &_ls;
+
+ /* *INDENT-OFF* */
+ pool_foreach_index (mi, lcm->mapping_pool,
+ ({
+ vec_add1 (map_indices, mi);
+ }));
+ /* *INDENT-ON* */
+
+ vec_foreach (map_indexp, map_indices)
+ {
+ mapping_t *map = pool_elt_at_index (lcm->mapping_pool, map_indexp[0]);
+ if (!map->local)
+ {
+ dp_del_fwd_entry (lcm, 0, map_indexp[0]);
+
+ dm_args->is_add = 0;
+ gid_address_copy (&dm_args->eid, &map->eid);
+ dm_args->locator_set_index = map->locator_set_index;
+
+ /* delete mapping associated to fwd entry */
+ vnet_lisp_map_cache_add_del (dm_args, 0);
+
+ ls->is_add = 0;
+ ls->local = 0;
+ ls->index = map->locator_set_index;
+ /* delete locator set */
+ rv = vnet_lisp_add_del_locator_set (ls, 0);
+ if (rv != 0)
+ goto cleanup;
+ }
+ }
+
+cleanup:
+ if (map_indices)
+ vec_free (map_indices);
+ return rv;
+}
+
+/**
+ * Adds adjacency or removes forwarding entry associated to remote mapping.
+ * Note that adjacencies are not stored, they only result in forwarding entries
+ * being created.
+ */
+int
+lisp_add_del_adjacency (lisp_cp_main_t * lcm, gid_address_t * local_eid,
+ gid_address_t * remote_eid, u8 is_add)
+{
+ u32 local_mi, remote_mi = ~0;
+
+ if (vnet_lisp_enable_disable_status () == 0)
+ {
+ clib_warning ("LISP is disabled!");
+ return VNET_API_ERROR_LISP_DISABLED;
+ }
+
+ remote_mi = gid_dictionary_sd_lookup (&lcm->mapping_index_by_gid,
+ remote_eid, local_eid);
+ if (GID_LOOKUP_MISS == remote_mi)
+ {
+ clib_warning ("Remote eid %U not found. Cannot add adjacency!",
+ format_gid_address, remote_eid);
+
+ return -1;
+ }
+
+ if (is_add)
+ {
+ /* TODO 1) check if src/dst 2) once we have src/dst working, use it in
+ * delete*/
+
+ /* check if source eid has an associated mapping. If pitr mode is on,
+ * just use the pitr's mapping */
+ local_mi = lcm->lisp_pitr ? lcm->pitr_map_index :
+ gid_dictionary_lookup (&lcm->mapping_index_by_gid, local_eid);
+
+
+ if (GID_LOOKUP_MISS == local_mi)
+ {
+ clib_warning ("Local eid %U not found. Cannot add adjacency!",
+ format_gid_address, local_eid);
+
+ return -1;
+ }
+
+ /* update forwarding */
+ dp_add_fwd_entry (lcm, local_mi, remote_mi);
+ }
+ else
+ dp_del_fwd_entry (lcm, 0, remote_mi);
+
+ return 0;
+}
+
+int
+vnet_lisp_add_del_adjacency (vnet_lisp_add_del_adjacency_args_t * a)
+{
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+ return lisp_add_del_adjacency (lcm, &a->leid, &a->reid, a->is_add);
+}
+
+/**
+ * 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, del_all = 0;
+ locator_t rloc, *rlocs = 0, *curr_rloc = 0;
+ gid_address_t eid;
+ u8 eid_set = 0;
+ u32 vni, action = ~0, p, w;
+ int rv;
+
+ /* Get a line of input. */
+ if (!unformat_user (input, unformat_line_input, line_input))
+ return 0;
+
+ memset (&eid, 0, sizeof (eid));
+ memset (&rloc, 0, sizeof (rloc));
+
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (line_input, "del-all"))
+ del_all = 1;
+ else if (unformat (line_input, "del"))
+ is_add = 0;
+ else if (unformat (line_input, "add"))
+ ;
+ else if (unformat (line_input, "eid %U", unformat_gid_address, &eid))
+ eid_set = 1;
+ else if (unformat (line_input, "vni %u", &vni))
+ {
+ gid_address_vni (&eid) = vni;
+ }
+ else if (unformat (line_input, "p %d w %d", &p, &w))
+ {
+ if (!curr_rloc)
+ {
+ clib_warning
+ ("No RLOC configured for setting priority/weight!");
+ goto done;
+ }
+ curr_rloc->priority = p;
+ curr_rloc->weight = w;
+ }
+ else if (unformat (line_input, "rloc %U", unformat_ip_address,
+ &gid_address_ip (&rloc.address)))
+ {
+ /* since rloc is stored in ip prefix we need to set prefix length */
+ ip_prefix_t *pref = &gid_address_ippref (&rloc.address);
+
+ u8 version = gid_address_ip_version (&rloc.address);
+ ip_prefix_len (pref) = ip_address_max_len (version);
+
+ vec_add1 (rlocs, rloc);
+ curr_rloc = &rlocs[vec_len (rlocs) - 1];
+ }
+ else if (unformat (line_input, "action %U",
+ unformat_negative_mapping_action, &action))
+ ;
+ else
+ {
+ clib_warning ("parse error");
+ goto done;
+ }
+ }
+
+ if (!eid_set)
+ {
+ clib_warning ("missing eid!");
+ goto done;
+ }
+
+ if (!del_all)
+ {
+ if (is_add && (~0 == action) && 0 == vec_len (rlocs))
+ {
+ clib_warning ("no action set for negative map-reply!");
+ goto done;
+ }
+ }
+ else
+ {
+ vnet_lisp_clear_all_remote_adjacencies ();
+ goto done;
+ }
+
+ /* TODO build src/dst with seid */
+
+ /* if it's a delete, clean forwarding */
+ if (!is_add)
+ {
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+ rv = lisp_add_del_adjacency (lcm, 0, &eid, /* is_add */ 0);
+ if (rv)
+ {
+ goto done;
+ }
+ }
+
+ /* add as static remote mapping, i.e., not authoritative and infinite
+ * ttl */
+ rv = vnet_lisp_add_del_mapping (&eid, rlocs, action, 0, ~0, is_add,
+ 1 /* is_static */ , 0);
+
+ if (rv)
+ clib_warning ("failed to %s remote mapping!", is_add ? "add" : "delete");
+
+done:
+ vec_free (rlocs);
+ 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 [del-all] vni <vni> "
+ "eid <est-eid> [action <no-action|natively-forward|"
+ "send-map-request|drop>] rloc <dst-locator> p <prio> w <weight> "
+ "[rloc <dst-locator> ... ]",.function =
+ lisp_add_del_remote_mapping_command_fn,};
+
+/**
+ * Handler for add/del adjacency CLI.
+ */
+static clib_error_t *
+lisp_add_del_adjacency_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;
+ vnet_lisp_add_del_adjacency_args_t _a, *a = &_a;
+ u8 is_add = 1;
+ ip_prefix_t *reid_ippref, *leid_ippref;
+ gid_address_t leid, reid;
+ u8 *dmac = gid_address_mac (&reid);
+ u8 *smac = gid_address_mac (&leid);
+ u8 reid_set = 0, leid_set = 0;
+ u32 vni;
+ int rv;
+
+ /* Get a line of input. */
+ if (!unformat_user (input, unformat_line_input, line_input))
+ return 0;
+
+ memset (&reid, 0, sizeof (reid));
+ memset (&leid, 0, sizeof (leid));
+
+ leid_ippref = &gid_address_ippref (&leid);
+ reid_ippref = &gid_address_ippref (&reid);
+
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (line_input, "del"))
+ is_add = 0;
+ else if (unformat (line_input, "add"))
+ ;
+ else if (unformat (line_input, "reid %U",
+ unformat_ip_prefix, reid_ippref))
+ {
+ gid_address_type (&reid) = GID_ADDR_IP_PREFIX;
+ reid_set = 1;
+ }
+ else if (unformat (line_input, "reid %U", unformat_mac_address, dmac))
+ {
+ gid_address_type (&reid) = GID_ADDR_MAC;
+ reid_set = 1;
+ }
+ else if (unformat (line_input, "vni %u", &vni))
+ {
+ gid_address_vni (&leid) = vni;
+ gid_address_vni (&reid) = vni;
+ }
+ else if (unformat (line_input, "leid %U",
+ unformat_ip_prefix, leid_ippref))
+ {
+ gid_address_type (&leid) = GID_ADDR_IP_PREFIX;
+ leid_set = 1;
+ }
+ else if (unformat (line_input, "leid %U", unformat_mac_address, smac))
+ {
+ gid_address_type (&leid) = GID_ADDR_MAC;
+ leid_set = 1;
+ }
+ else
+ {
+ clib_warning ("parse error");
+ goto done;
+ }
+ }
+
+ if (!reid_set || !leid_set)
+ {
+ clib_warning ("missing remote or local eid!");
+ goto done;
+ }
+
+ if ((gid_address_type (&leid) != gid_address_type (&reid))
+ || (gid_address_type (&reid) == GID_ADDR_IP_PREFIX
+ && ip_prefix_version (reid_ippref)
+ != ip_prefix_version (leid_ippref)))
+ {
+ clib_warning ("remote and local EIDs are of different types!");
+ return error;
+ }
+
+ memset (a, 0, sizeof (a[0]));
+ gid_address_copy (&a->leid, &leid);
+ gid_address_copy (&a->reid, &reid);
+
+ a->is_add = is_add;
+ rv = vnet_lisp_add_del_adjacency (a);
+
+ if (rv)
+ clib_warning ("failed to %s adjacency!", is_add ? "add" : "delete");
+
+done:
+ unformat_free (line_input);
+ return error;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (lisp_add_del_adjacency_command) = {
+ .path = "lisp adjacency",
+ .short_help = "lisp adjacency add|del vni <vni> reid <remote-eid> "
+ "leid <local-eid>",
+ .function = lisp_add_del_adjacency_command_fn,
+};
+/* *INDENT-ON* */
-/* Adds mapping to map-cache but does NOT program LISP forwarding */
int
-vnet_lisp_add_del_mapping (vnet_lisp_add_del_mapping_args_t * a,
- u32 * map_index_result)
+vnet_lisp_set_map_request_mode (u8 mode)
{
- lisp_cp_main_t * lcm = vnet_lisp_cp_get_main();
- u32 mi, * map_indexp, map_index, i;
- mapping_t * m;
- u32 ** eid_indexes;
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
- mi = gid_dictionary_lookup (&lcm->mapping_index_by_gid, &a->deid);
- if (a->is_add)
+ if (vnet_lisp_enable_disable_status () == 0)
{
- /* TODO check if overwriting and take appropriate actions */
- if (mi != GID_LOOKUP_MISS) {
- clib_warning("eid %U found in the eid-table", format_ip_address,
- &a->deid);
- return VNET_API_ERROR_VALUE_EXIST;
- }
+ clib_warning ("LISP is disabled!");
+ return VNET_API_ERROR_LISP_DISABLED;
+ }
- pool_get(lcm->mapping_pool, m);
- m->eid = a->deid;
- m->locator_set_index = a->locator_set_index;
- m->ttl = a->ttl;
- m->local = a->local;
+ if (mode >= _MR_MODE_MAX)
+ {
+ clib_warning ("Invalid LISP map request mode %d!", mode);
+ return VNET_API_ERROR_INVALID_ARGUMENT;
+ }
- map_index = m - lcm->mapping_pool;
- gid_dictionary_add_del (&lcm->mapping_index_by_gid, &a->deid, map_index,
- 1);
+ lcm->map_request_mode = mode;
+ return 0;
+}
- if (pool_is_free_index(lcm->locator_set_pool, a->locator_set_index))
- {
- clib_warning("Locator set with index %d doesn't exist",
- a->locator_set_index);
- return VNET_API_ERROR_INVALID_VALUE;
- }
+static clib_error_t *
+lisp_map_request_mode_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ unformat_input_t _i, *i = &_i;
+ map_request_mode_t mr_mode = _MR_MODE_MAX;
- /* add eid to list of eids supported by locator-set */
- vec_validate (lcm->locator_set_to_eids, a->locator_set_index);
- eid_indexes = vec_elt_at_index(lcm->locator_set_to_eids,
- a->locator_set_index);
- vec_add1(eid_indexes[0], map_index);
+ /* Get a line of input. */
+ if (!unformat_user (input, unformat_line_input, i))
+ return 0;
- if (a->local)
- {
- /* mark as local */
- vec_add1(lcm->local_mappings_indexes, map_index);
+ while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (i, "dst-only"))
+ mr_mode = MR_MODE_DST_ONLY;
+ else if (unformat (i, "src-dst"))
+ mr_mode = MR_MODE_SRC_DST;
+ else
+ {
+ clib_warning ("parse error '%U'", format_unformat_error, i);
+ goto done;
+ }
+ }
- /* XXX do something else? */
- }
- map_index_result[0] = map_index;
+ if (_MR_MODE_MAX == mr_mode)
+ {
+ clib_warning ("No LISP map request mode entered!");
+ return 0;
}
- else
+
+ vnet_lisp_set_map_request_mode (mr_mode);
+done:
+ return 0;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (lisp_map_request_mode_command) = {
+ .path = "lisp map-request mode",
+ .short_help = "lisp map-request mode dst-only|src-dst",
+ .function = lisp_map_request_mode_command_fn,
+};
+/* *INDENT-ON* */
+
+static u8 *
+format_lisp_map_request_mode (u8 * s, va_list * args)
+{
+ u32 mode = va_arg (*args, u32);
+
+ switch (mode)
{
- if (mi == GID_LOOKUP_MISS) {
- clib_warning("eid %U not found in the eid-table", format_ip_address,
- &a->deid);
- return VNET_API_ERROR_INVALID_VALUE;
- }
+ case 0:
+ return format (0, "dst-only");
+ case 1:
+ return format (0, "src-dst");
+ }
+ return 0;
+}
- /* clear locator-set to eids binding */
- eid_indexes = vec_elt_at_index(lcm->locator_set_to_eids,
- a->locator_set_index);
- for (i = 0; i < vec_len(eid_indexes[0]); i++)
- {
- map_indexp = vec_elt_at_index(eid_indexes[0], i);
- if (map_indexp[0] == mi)
- break;
- }
- vec_del1(eid_indexes[0], i);
+static clib_error_t *
+lisp_show_map_request_mode_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ vlib_cli_output (vm, "map-request mode: %U", format_lisp_map_request_mode,
+ vnet_lisp_get_map_request_mode ());
+ return 0;
+}
- /* remove local mark if needed */
- m = pool_elt_at_index(lcm->mapping_pool, mi);
- if (m->local)
- {
- u32 k, * lm_indexp;
- for (k = 0; k < vec_len(lcm->local_mappings_indexes); k++)
- {
- lm_indexp = vec_elt_at_index(lcm->local_mappings_indexes, k);
- if (lm_indexp[0] == mi)
- break;
- }
- vec_del1(lcm->local_mappings_indexes, k);
- }
- else
- {
- /* remove tunnel ??? */
- }
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (lisp_show_map_request_mode_command) = {
+ .path = "show lisp map-request mode",
+ .short_help = "show lisp map-request mode",
+ .function = lisp_show_map_request_mode_command_fn,
+};
+/* *INDENT-ON* */
- /* remove mapping from dictionary */
- gid_dictionary_add_del (&lcm->mapping_index_by_gid, &a->deid, 0, 0);
- pool_put_index (lcm->mapping_pool, mi);
+static clib_error_t *
+lisp_show_map_resolvers_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ map_resolver_t *mr;
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+
+ vec_foreach (mr, lcm->map_resolvers)
+ {
+ vlib_cli_output (vm, "%U", format_ip_address, &mr->address);
+ }
+ return 0;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (lisp_show_map_resolvers_command) = {
+ .path = "show lisp map-resolvers",
+ .short_help = "show lisp map-resolvers",
+ .function = lisp_show_map_resolvers_command_fn,
+};
+/* *INDENT-ON* */
+
+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;
+
+ if (vnet_lisp_enable_disable_status () == 0)
+ {
+ clib_warning ("LISP is disabled!");
+ return VNET_API_ERROR_LISP_DISABLED;
+ }
+
+ 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_add_del_local_eid_command_fn (vlib_main_t * vm, unformat_input_t * input,
- vlib_cli_command_t * cmd)
+lisp_pitr_set_locator_set_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
{
- lisp_cp_main_t * lcm = vnet_lisp_cp_get_main();
- unformat_input_t _line_input, * line_input = &_line_input;
+ u8 locator_name_set = 0;
+ u8 *locator_set_name = 0;
u8 is_add = 1;
- gid_address_t eid;
- ip_prefix_t * prefp = &gid_address_ippref(&eid);
- gid_address_t * eids = 0;
- clib_error_t * error = 0;
- u8 * locator_set_name;
- u32 locator_set_index = 0, map_index = 0;
- uword * p;
- vnet_lisp_add_del_mapping_args_t _a, * a = &_a;
-
- gid_address_type (&eid) = IP_PREFIX;
+ unformat_input_t _line_input, *line_input = &_line_input;
+ clib_error_t *error = 0;
+ int rv = 0;
/* Get a line of input. */
- if (! unformat_user (input, unformat_line_input, line_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, "add"))
- is_add = 1;
- else if (unformat (line_input, "del"))
- is_add = 0;
- else if (unformat (line_input, "eid %U", unformat_ip_prefix, prefp))
- {
- vec_add1(eids, eid);
- }
- else if (unformat (line_input, "locator-set %_%v%_", &locator_set_name))
- {
- p = hash_get_mem(lcm->locator_set_index_by_name, locator_set_name);
- if (!p)
- {
- error = clib_error_return(0, "locator-set %s doesn't exist",
- locator_set_name);
- goto done;
- }
- locator_set_index = p[0];
- }
+ if (unformat (line_input, "ls %_%v%_", &locator_set_name))
+ locator_name_set = 1;
+ else if (unformat (line_input, "disable"))
+ is_add = 0;
else
- {
- error = unformat_parse_error(line_input);
- goto done;
- }
+ return clib_error_return (0, "parse error");
}
- /* XXX treat batch configuration */
- a->deid = eid;
- a->is_add = is_add;
- a->locator_set_index = locator_set_index;
- a->local = 1;
+ if (!locator_name_set)
+ {
+ clib_warning ("No locator set specified!");
+ goto done;
+ }
+ rv = vnet_lisp_pitr_set_locator_set (locator_set_name, is_add);
+ if (0 != rv)
+ {
+ error = clib_error_return (0, "failed to %s pitr!",
+ is_add ? "add" : "delete");
+ }
- vnet_lisp_add_del_mapping (a, &map_index);
- done:
- vec_free(eids);
+done:
+ if (locator_set_name)
+ vec_free (locator_set_name);
return error;
}
-VLIB_CLI_COMMAND (lisp_add_del_local_eid_command) = {
- .path = "lisp eid-table",
- .short_help = "lisp eid-table add/del eid <eid> locator-set <locator-set>",
- .function = lisp_add_del_local_eid_command_fn,
+/* *INDENT-OFF* */
+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,
};
+/* *INDENT-ON* */
static clib_error_t *
-lisp_show_local_eid_table_command_fn (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
+lisp_show_pitr_command_fn (vlib_main_t * vm,
+ unformat_input_t * input, vlib_cli_command_t * cmd)
{
- lisp_cp_main_t * lcm = vnet_lisp_cp_get_main();
- mapping_t * mapit;
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+ mapping_t *m;
+ locator_set_t *ls;
+ u8 *tmp_str = 0;
- vlib_cli_output (vm, "%=20s%=16s", "EID", "Locator");
- pool_foreach (mapit, lcm->mapping_pool,
- ({
- u8 * msg = 0;
- locator_set_t * ls = pool_elt_at_index (lcm->locator_set_pool,
- mapit->locator_set_index);
- vlib_cli_output (vm, "%-16U%16v", format_gid_address, &mapit->eid,
- ls->name);
- vec_free (msg);
- }));
+ vlib_cli_output (vm, "%=20s%=16s",
+ "pitr", lcm->lisp_pitr ? "locator-set" : "");
+
+ if (!lcm->lisp_pitr)
+ {
+ vlib_cli_output (vm, "%=20s", "disable");
+ return 0;
+ }
+
+ if (~0 == lcm->pitr_map_index)
+ {
+ tmp_str = format (0, "N/A");
+ }
+ else
+ {
+ m = pool_elt_at_index (lcm->mapping_pool, lcm->pitr_map_index);
+ if (~0 != m->locator_set_index)
+ {
+ ls =
+ pool_elt_at_index (lcm->locator_set_pool, m->locator_set_index);
+ tmp_str = format (0, "%s", ls->name);
+ }
+ else
+ {
+ tmp_str = format (0, "N/A");
+ }
+ }
+ vec_add1 (tmp_str, 0);
+
+ vlib_cli_output (vm, "%=20s%=16s", "enable", tmp_str);
+
+ vec_free (tmp_str);
+
+ return 0;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (lisp_show_pitr_command) = {
+ .path = "show lisp pitr",
+ .short_help = "Show pitr",
+ .function = lisp_show_pitr_command_fn,
+};
+/* *INDENT-ON* */
+
+static u8 *
+format_eid_entry (u8 * s, va_list * args)
+{
+ vnet_main_t *vnm = va_arg (*args, vnet_main_t *);
+ lisp_cp_main_t *lcm = va_arg (*args, lisp_cp_main_t *);
+ mapping_t *mapit = va_arg (*args, mapping_t *);
+ locator_set_t *ls = va_arg (*args, locator_set_t *);
+ gid_address_t *gid = &mapit->eid;
+ u32 ttl = mapit->ttl;
+ u8 aut = mapit->authoritative;
+ u32 *loc_index;
+ u8 first_line = 1;
+ u8 *loc;
+
+ u8 *type = ls->local ? format (0, "local(%s)", ls->name)
+ : format (0, "remote");
+
+ if (vec_len (ls->locator_indices) == 0)
+ {
+ s = format (s, "%-35U%-30s%-20u%-u", format_gid_address, gid,
+ type, ttl, aut);
+ }
+ else
+ {
+ vec_foreach (loc_index, ls->locator_indices)
+ {
+ locator_t *l = pool_elt_at_index (lcm->locator_pool, loc_index[0]);
+ if (l->local)
+ loc = format (0, "%U", format_vnet_sw_if_index_name, vnm,
+ l->sw_if_index);
+ else
+ loc = format (0, "%U", format_ip_address,
+ &gid_address_ip (&l->address));
+
+ if (first_line)
+ {
+ s = format (s, "%-35U%-20s%-30v%-20u%-u\n", format_gid_address,
+ gid, type, loc, ttl, aut);
+ first_line = 0;
+ }
+ else
+ s = format (s, "%55s%v\n", "", loc);
+ }
+ }
+ return s;
+}
+
+static clib_error_t *
+lisp_show_eid_table_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+ mapping_t *mapit;
+ unformat_input_t _line_input, *line_input = &_line_input;
+ u32 mi;
+ gid_address_t eid;
+ u8 print_all = 1;
+ u8 filter = 0;
+
+ memset (&eid, 0, sizeof (eid));
+
+ /* 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, "eid %U", unformat_gid_address, &eid))
+ print_all = 0;
+ else if (unformat (line_input, "local"))
+ filter = 1;
+ else if (unformat (line_input, "remote"))
+ filter = 2;
+ else
+ return clib_error_return (0, "parse error: '%U'",
+ format_unformat_error, line_input);
+ }
+
+ vlib_cli_output (vm, "%-35s%-20s%-30s%-20s%-s",
+ "EID", "type", "locators", "ttl", "autoritative");
+
+ if (print_all)
+ {
+ /* *INDENT-OFF* */
+ pool_foreach (mapit, lcm->mapping_pool,
+ ({
+ locator_set_t * ls = pool_elt_at_index (lcm->locator_set_pool,
+ mapit->locator_set_index);
+ if (filter && !((1 == filter && ls->local) ||
+ (2 == filter && !ls->local)))
+ {
+ continue;
+ }
+ vlib_cli_output (vm, "%U", format_eid_entry, lcm->vnet_main,
+ lcm, mapit, ls);
+ }));
+ /* *INDENT-ON* */
+ }
+ else
+ {
+ mi = gid_dictionary_lookup (&lcm->mapping_index_by_gid, &eid);
+ if ((u32) ~ 0 == mi)
+ return 0;
+
+ mapit = pool_elt_at_index (lcm->mapping_pool, mi);
+ locator_set_t *ls = pool_elt_at_index (lcm->locator_set_pool,
+ mapit->locator_set_index);
+
+ if (filter && !((1 == filter && ls->local) ||
+ (2 == filter && !ls->local)))
+ {
+ return 0;
+ }
+
+ vlib_cli_output (vm, "%U,", format_eid_entry, lcm->vnet_main,
+ lcm, mapit, ls);
+ }
return 0;
}
-VLIB_CLI_COMMAND (lisp_cp_show_local_eid_table_command) = {
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (lisp_cp_show_eid_table_command) = {
.path = "show lisp eid-table",
- .short_help = "Shows local EID table",
- .function = lisp_show_local_eid_table_command_fn,
+ .short_help = "Shows EID table",
+ .function = lisp_show_eid_table_command_fn,
};
+/* *INDENT-ON* */
/* cleans locator to locator-set data and removes locators not part of
* any locator-set */
static void
clean_locator_to_locator_set (lisp_cp_main_t * lcm, u32 lsi)
{
- u32 i, j, *loc_indexp, *ls_indexp, **ls_indexes;
- locator_set_t * ls = pool_elt_at_index(lcm->locator_set_pool, lsi);
- for (i = 0; i < vec_len(ls->locator_indices); i++)
+ u32 i, j, *loc_indexp, *ls_indexp, **ls_indexes, *to_be_deleted = 0;
+ locator_set_t *ls = pool_elt_at_index (lcm->locator_set_pool, lsi);
+ for (i = 0; i < vec_len (ls->locator_indices); i++)
{
- loc_indexp = vec_elt_at_index(ls->locator_indices, i);
- ls_indexes = vec_elt_at_index(lcm->locator_to_locator_sets,
- loc_indexp[0]);
- for (j = 0; j < vec_len(ls_indexes[0]); j++)
- {
- ls_indexp = vec_elt_at_index(ls_indexes[0], j);
- if (ls_indexp[0] == lsi)
- break;
- }
-
- /* delete index for removed locator-set*/
- vec_del1(ls_indexes[0], j);
+ loc_indexp = vec_elt_at_index (ls->locator_indices, i);
+ ls_indexes = vec_elt_at_index (lcm->locator_to_locator_sets,
+ loc_indexp[0]);
+ for (j = 0; j < vec_len (ls_indexes[0]); j++)
+ {
+ ls_indexp = vec_elt_at_index (ls_indexes[0], j);
+ if (ls_indexp[0] == lsi)
+ break;
+ }
+
+ /* delete index for removed locator-set */
+ vec_del1 (ls_indexes[0], j);
/* delete locator if it's part of no locator-set */
if (vec_len (ls_indexes[0]) == 0)
- pool_put_index(lcm->locator_pool, loc_indexp[0]);
+ {
+ pool_put_index (lcm->locator_pool, loc_indexp[0]);
+ vec_add1 (to_be_deleted, i);
+ }
+ }
+
+ if (to_be_deleted)
+ {
+ for (i = 0; i < vec_len (to_be_deleted); i++)
+ {
+ loc_indexp = vec_elt_at_index (to_be_deleted, i);
+ vec_del1 (ls->locator_indices, loc_indexp[0]);
+ }
+ vec_free (to_be_deleted);
+ }
+}
+
+static inline uword *
+get_locator_set_index (vnet_lisp_add_del_locator_set_args_t * a, uword * p)
+{
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+
+ ASSERT (a != NULL);
+ ASSERT (p != NULL);
+
+ /* find locator-set */
+ if (a->local)
+ {
+ p = hash_get_mem (lcm->locator_set_index_by_name, a->name);
+ }
+ else
+ {
+ *p = a->index;
+ }
+
+ return p;
+}
+
+static inline int
+is_locator_in_locator_set (lisp_cp_main_t * lcm, locator_set_t * ls,
+ locator_t * loc)
+{
+ locator_t *itloc;
+ u32 *locit;
+
+ ASSERT (ls != NULL);
+ ASSERT (loc != NULL);
+
+ vec_foreach (locit, ls->locator_indices)
+ {
+ itloc = pool_elt_at_index (lcm->locator_pool, locit[0]);
+ if ((ls->local && itloc->sw_if_index == loc->sw_if_index) ||
+ (!ls->local && !gid_address_cmp (&itloc->address, &loc->address)))
+ {
+ clib_warning ("Duplicate locator");
+ return VNET_API_ERROR_VALUE_EXIST;
+ }
+ }
+
+ return 0;
+}
+
+static inline void
+remove_locator_from_locator_set (locator_set_t * ls, u32 * locit,
+ u32 ls_index, u32 loc_id)
+{
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+ u32 **ls_indexes = NULL;
+
+ ASSERT (ls != NULL);
+ ASSERT (locit != NULL);
+
+ ls_indexes = vec_elt_at_index (lcm->locator_to_locator_sets, locit[0]);
+ pool_put_index (lcm->locator_pool, locit[0]);
+ vec_del1 (ls->locator_indices, loc_id);
+ vec_del1 (ls_indexes[0], ls_index);
+}
+
+int
+vnet_lisp_add_del_locator (vnet_lisp_add_del_locator_set_args_t * a,
+ locator_set_t * ls, u32 * ls_result)
+{
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+ locator_t *loc = NULL, *itloc = NULL;
+ uword _p = (u32) ~ 0, *p = &_p;
+ u32 loc_index = ~0, ls_index = ~0, *locit = NULL, **ls_indexes = NULL;
+ u32 loc_id = ~0;
+ int ret = 0;
+
+ ASSERT (a != NULL);
+
+ if (vnet_lisp_enable_disable_status () == 0)
+ {
+ clib_warning ("LISP is disabled!");
+ return VNET_API_ERROR_LISP_DISABLED;
+ }
+
+ p = get_locator_set_index (a, p);
+ if (!p)
+ {
+ clib_warning ("locator-set %v doesn't exist", a->name);
+ return VNET_API_ERROR_INVALID_ARGUMENT;
+ }
+
+ if (ls == 0)
+ {
+ ls = pool_elt_at_index (lcm->locator_set_pool, p[0]);
+ if (!ls)
+ {
+ clib_warning ("locator-set %d to be overwritten doesn't exist!",
+ p[0]);
+ return VNET_API_ERROR_INVALID_ARGUMENT;
+ }
+ }
+
+ if (a->is_add)
+ {
+ if (ls_result)
+ ls_result[0] = p[0];
+
+ /* allocate locators */
+ vec_foreach (itloc, a->locators)
+ {
+ ret = is_locator_in_locator_set (lcm, ls, itloc);
+ if (0 != ret)
+ {
+ return ret;
+ }
+
+ pool_get (lcm->locator_pool, loc);
+ loc[0] = itloc[0];
+ loc_index = loc - lcm->locator_pool;
+
+ vec_add1 (ls->locator_indices, loc_index);
+
+ vec_validate (lcm->locator_to_locator_sets, loc_index);
+ ls_indexes = vec_elt_at_index (lcm->locator_to_locator_sets,
+ loc_index);
+ vec_add1 (ls_indexes[0], p[0]);
+ }
+ }
+ else
+ {
+ ls_index = p[0];
+
+ itloc = a->locators;
+ loc_id = 0;
+ vec_foreach (locit, ls->locator_indices)
+ {
+ loc = pool_elt_at_index (lcm->locator_pool, locit[0]);
+
+ if (loc->local && loc->sw_if_index == itloc->sw_if_index)
+ {
+ remove_locator_from_locator_set (ls, locit, ls_index, loc_id);
+ }
+ if (0 == loc->local &&
+ !gid_address_cmp (&loc->address, &itloc->address))
+ {
+ remove_locator_from_locator_set (ls, locit, ls_index, loc_id);
+ }
+
+ loc_id++;
+ }
}
+
+ return 0;
}
+
int
vnet_lisp_add_del_locator_set (vnet_lisp_add_del_locator_set_args_t * a,
- u32 * ls_result)
+ u32 * ls_result)
{
- lisp_cp_main_t * lcm = vnet_lisp_cp_get_main();
- locator_set_t * ls;
- locator_t * loc, * itloc;
- uword _p = (u32)~0, * p = &_p;
- u32 loc_index, ls_index, ** ls_indexes;
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+ locator_set_t *ls;
+ uword _p = (u32) ~ 0, *p = &_p;
+ u32 ls_index;
u32 **eid_indexes;
+ int ret = 0;
+
+ if (vnet_lisp_enable_disable_status () == 0)
+ {
+ clib_warning ("LISP is disabled!");
+ return VNET_API_ERROR_LISP_DISABLED;
+ }
if (a->is_add)
{
- /* check if overwrite */
- if (a->local)
- p = hash_get_mem(lcm->locator_set_index_by_name, a->name);
- else
- *p = a->index;
+ p = get_locator_set_index (a, p);
/* overwrite */
- if (p && p[0] != (u32)~0)
- {
- ls = pool_elt_at_index(lcm->locator_set_pool, p[0]);
- if (!ls)
- {
- clib_warning("locator-set %d to be overwritten doesn't exist!",
- p[0]);
- return -1;
- }
-
- /* clean locator to locator-set vectors and remove locators if
- * they're not part of another locator-set */
- clean_locator_to_locator_set (lcm, p[0]);
-
- /* remove locator indices from locator set */
- vec_free(ls->locator_indices);
-
- ls_index = p[0];
-
- if (ls_result)
- ls_result[0] = p[0];
- }
+ if (p && p[0] != (u32) ~ 0)
+ {
+ ls = pool_elt_at_index (lcm->locator_set_pool, p[0]);
+ if (!ls)
+ {
+ clib_warning ("locator-set %d to be overwritten doesn't exist!",
+ p[0]);
+ return -1;
+ }
+
+ /* clean locator to locator-set vectors and remove locators if
+ * they're not part of another locator-set */
+ clean_locator_to_locator_set (lcm, p[0]);
+
+ /* remove locator indices from locator set */
+ vec_free (ls->locator_indices);
+
+ ls_index = p[0];
+
+ if (ls_result)
+ ls_result[0] = p[0];
+ }
/* new locator-set */
else
- {
- pool_get(lcm->locator_set_pool, ls);
- ls_index = ls - lcm->locator_set_pool;
-
- if (a->local)
- {
- ls->name = vec_dup(a->name);
-
- if (!lcm->locator_set_index_by_name)
- lcm->locator_set_index_by_name = hash_create_vec(
- /* size */0, sizeof(ls->name[0]), sizeof(uword));
- hash_set_mem(lcm->locator_set_index_by_name, ls->name, ls_index);
-
- /* mark as local locator-set */
- vec_add1(lcm->local_locator_set_indexes, ls_index);
- }
- ls->local = a->local;
- if (ls_result)
- ls_result[0] = ls_index;
- }
-
- /* allocate locators */
- vec_foreach (itloc, a->locators)
- {
- pool_get(lcm->locator_pool, loc);
- loc[0] = itloc[0];
- loc_index = loc - lcm->locator_pool;
-
- vec_add1(ls->locator_indices, loc_index);
-
- vec_validate (lcm->locator_to_locator_sets, loc_index);
- ls_indexes = vec_elt_at_index(lcm->locator_to_locator_sets,
- loc_index);
- vec_add1(ls_indexes[0], ls_index);
- }
+ {
+ pool_get (lcm->locator_set_pool, ls);
+ memset (ls, 0, sizeof (*ls));
+ ls_index = ls - lcm->locator_set_pool;
+
+ if (a->local)
+ {
+ ls->name = vec_dup (a->name);
+
+ if (!lcm->locator_set_index_by_name)
+ lcm->locator_set_index_by_name = hash_create_vec (
+ /* size */
+ 0,
+ sizeof
+ (ls->name
+ [0]),
+ sizeof
+ (uword));
+ hash_set_mem (lcm->locator_set_index_by_name, ls->name,
+ ls_index);
+
+ /* mark as local locator-set */
+ vec_add1 (lcm->local_locator_set_indexes, ls_index);
+ }
+ ls->local = a->local;
+ if (ls_result)
+ ls_result[0] = ls_index;
+ }
+
+ ret = vnet_lisp_add_del_locator (a, ls, NULL);
+ if (0 != ret)
+ {
+ return ret;
+ }
}
else
{
- /* find locator-set */
- if (a->local)
- {
- p = hash_get_mem(lcm->locator_set_index_by_name, a->name);
- if (!p)
- {
- clib_warning("locator-set %v doesn't exists", a->name);
- return -1;
- }
- }
- else
- *p = a->index;
-
- ls = pool_elt_at_index(lcm->locator_set_pool, p[0]);
+ p = get_locator_set_index (a, p);
+ if (!p)
+ {
+ clib_warning ("locator-set %v doesn't exists", a->name);
+ return -1;
+ }
+
+ ls = pool_elt_at_index (lcm->locator_set_pool, p[0]);
if (!ls)
- {
- clib_warning("locator-set with index %d doesn't exists", p[0]);
- return -1;
- }
-// /* XXX what happens when a mapping is configured to use the loc-set ? */
-// if (vec_len (vec_elt_at_index(lcm->locator_set_to_eids, p[0])) != 0)
-// {
-// clib_warning ("Can't delete a locator that supports a mapping!");
-// return -1;
-// }
-
- if (vec_len(lcm->locator_set_to_eids) != 0)
- {
- eid_indexes = vec_elt_at_index(lcm->locator_set_to_eids, p[0]);
- if (vec_len(eid_indexes[0]) != 0)
- {
- clib_warning ("Can't delete a locator that supports a mapping!");
- return -1;
- }
- }
+ {
+ clib_warning ("locator-set with index %d doesn't exists", p[0]);
+ return -1;
+ }
+
+ if (lcm->mreq_itr_rlocs == p[0])
+ {
+ clib_warning ("Can't delete the locator-set used to constrain "
+ "the itr-rlocs in map-requests!");
+ return -1;
+ }
+
+ if (vec_len (lcm->locator_set_to_eids) != 0)
+ {
+ eid_indexes = vec_elt_at_index (lcm->locator_set_to_eids, p[0]);
+ if (vec_len (eid_indexes[0]) != 0)
+ {
+ clib_warning
+ ("Can't delete a locator that supports a mapping!");
+ return -1;
+ }
+ }
/* clean locator to locator-sets data */
clean_locator_to_locator_set (lcm, p[0]);
if (ls->local)
- {
- u32 it, lsi;
-
- vec_foreach_index(it, lcm->local_locator_set_indexes)
- {
- lsi = vec_elt(lcm->local_locator_set_indexes, it);
- if (lsi == p[0])
- {
- vec_del1(lcm->local_locator_set_indexes, it);
- break;
- }
- }
- hash_unset_mem(lcm->locator_set_index_by_name, ls->name);
- vec_free(ls->name);
- }
- pool_put(lcm->locator_set_pool, ls);
+ {
+ u32 it, lsi;
+
+ vec_foreach_index (it, lcm->local_locator_set_indexes)
+ {
+ lsi = vec_elt (lcm->local_locator_set_indexes, it);
+ if (lsi == p[0])
+ {
+ vec_del1 (lcm->local_locator_set_indexes, it);
+ break;
+ }
+ }
+ hash_unset_mem (lcm->locator_set_index_by_name, ls->name);
+ }
+ vec_free (ls->name);
+ vec_free (ls->locator_indices);
+ pool_put (lcm->locator_set_pool, ls);
}
return 0;
}
-static inline
-uword *vnet_lisp_get_locator(vnet_lisp_add_del_locator_set_args_t * a,
- uword *p)
+clib_error_t *
+vnet_lisp_enable_disable (u8 is_enable)
{
- lisp_cp_main_t * lcm = vnet_lisp_cp_get_main();
-
- ASSERT(a != NULL);
- ASSERT(p != NULL);
+ u32 vni, dp_table;
+ clib_error_t *error = 0;
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+ vnet_lisp_gpe_enable_disable_args_t _a, *a = &_a;
+
+ a->is_en = is_enable;
+ error = vnet_lisp_gpe_enable_disable (a);
+ if (error)
+ {
+ return clib_error_return (0, "failed to %s data-plane!",
+ a->is_en ? "enable" : "disable");
+ }
- /* find locator-set */
- if (a->local)
- {
- p = hash_get_mem(lcm->locator_set_index_by_name, a->name);
- }
+ if (is_enable)
+ {
+ /* enable all l2 and l3 ifaces */
+
+ /* *INDENT-OFF* */
+ hash_foreach(vni, dp_table, lcm->table_id_by_vni, ({
+ dp_add_del_iface(lcm, vni, 0, 1);
+ }));
+ hash_foreach(vni, dp_table, lcm->bd_id_by_vni, ({
+ dp_add_del_iface(lcm, vni, /* is_l2 */ 1, 1);
+ }));
+ /* *INDENT-ON* */
+ }
else
- {
- *p = a->index;
- }
+ {
+ /* clear interface table */
+ hash_free (lcm->fwd_entry_by_mapping_index);
+ pool_free (lcm->fwd_entry_pool);
+ }
- return p;
+ /* update global flag */
+ lcm->is_enabled = is_enable;
+
+ return 0;
}
-int
-vnet_lisp_add_del_locator_set_name (vnet_lisp_add_del_locator_set_args_t * a,
- u32 * ls_result)
+static clib_error_t *
+lisp_enable_disable_command_fn (vlib_main_t * vm, unformat_input_t * input,
+ vlib_cli_command_t * cmd)
{
- lisp_cp_main_t * lcm = vnet_lisp_cp_get_main();
- locator_set_t * ls;
- uword _p = (u32)~0, * p = &_p;
- u32 ls_index = ~0;
- u32 **eid_indexes = NULL;
-
- ASSERT(a != NULL);
- ASSERT(ls_result != NULL);
+ unformat_input_t _line_input, *line_input = &_line_input;
+ u8 is_enabled = 0;
+ u8 is_set = 0;
- p = vnet_lisp_get_locator(a, p);
+ /* Get a line of input. */
+ if (!unformat_user (input, unformat_line_input, line_input))
+ return 0;
- if (a->is_add)
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
{
- /* overwrite */
- if (p && p[0] != (u32)~0)
- {
- ls = pool_elt_at_index(lcm->locator_set_pool, p[0]);
- if (!ls)
- {
- clib_warning("locator-set %d to be overwritten doesn't exist!",
- p[0]);
- return VNET_API_ERROR_UNSPECIFIED;
- }
-
- /* clean locator to locator-set vectors and remove locators if
- * they're not part of another locator-set */
- clean_locator_to_locator_set (lcm, p[0]);
-
- /* remove locator indices from locator set */
- vec_free(ls->locator_indices);
-
- ls_index = p[0];
-
- if (ls_result)
- ls_result[0] = p[0];
- }
- /* new locator-set */
+ if (unformat (line_input, "enable"))
+ {
+ is_set = 1;
+ is_enabled = 1;
+ }
+ else if (unformat (line_input, "disable"))
+ is_set = 1;
else
- {
- pool_get(lcm->locator_set_pool, ls);
- ls_index = ls - lcm->locator_set_pool;
-
- if (a->local)
- {
- ls->name = vec_dup(a->name);
-
- if (!lcm->locator_set_index_by_name)
- lcm->locator_set_index_by_name = hash_create_vec(
- /* size */0, sizeof(ls->name[0]), sizeof(uword));
- hash_set_mem(lcm->locator_set_index_by_name, ls->name, ls_index);
-
- /* mark as local locator-set */
- vec_add1(lcm->local_locator_set_indexes, ls_index);
- }
- ls->local = a->local;
- ls->locator_indices = NULL;
- if (ls_result)
- ls_result[0] = ls_index;
- }
+ {
+ return clib_error_return (0, "parse error: '%U'",
+ format_unformat_error, line_input);
+ }
}
- else
- {
- if (!p)
- {
- clib_warning("locator-set %v doesn't exists", a->name);
- return VNET_API_ERROR_INVALID_ARGUMENT;
- }
- ls = pool_elt_at_index(lcm->locator_set_pool, p[0]);
- if (!ls)
- {
- clib_warning("locator-set with index %d doesn't exists", p[0]);
- return VNET_API_ERROR_INVALID_ARGUMENT;
- }
+ if (!is_set)
+ return clib_error_return (0, "state not set");
- if (vec_len(lcm->locator_set_to_eids) != 0)
- {
- eid_indexes = vec_elt_at_index(lcm->locator_set_to_eids, p[0]);
- if (vec_len(eid_indexes[0]) != 0)
- {
- clib_warning ("Can't delete a locator that supports a mapping!");
- return -1;
- }
- }
+ return vnet_lisp_enable_disable (is_enabled);
+}
- /* clean locator to locator-sets data */
- clean_locator_to_locator_set (lcm, p[0]);
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (lisp_cp_enable_disable_command) = {
+ .path = "lisp",
+ .short_help = "lisp [enable|disable]",
+ .function = lisp_enable_disable_command_fn,
+};
+/* *INDENT-ON* */
- if (ls->local)
- {
- u32 it, lsi;
-
- vec_foreach_index(it, lcm->local_locator_set_indexes)
- {
- lsi = vec_elt(lcm->local_locator_set_indexes, it);
- if (lsi == p[0])
- {
- vec_del1(lcm->local_locator_set_indexes, it);
- break;
- }
- }
- hash_unset_mem(lcm->locator_set_index_by_name, ls->name);
- vec_free(ls->name);
- }
- pool_put(lcm->locator_set_pool, ls);
- }
- return 0;
+u8
+vnet_lisp_enable_disable_status (void)
+{
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+ return lcm->is_enabled;
}
-int
-vnet_lisp_add_del_locator (vnet_lisp_add_del_locator_set_args_t *a,
- u32 *ls_result)
+static u8 *
+format_lisp_status (u8 * s, va_list * args)
{
- lisp_cp_main_t * lcm = vnet_lisp_cp_get_main();
- locator_set_t *ls = NULL;
- locator_t *loc = NULL, *itloc = NULL;
- uword _p = (u32)~0, * p = &_p;
- u32 loc_index = ~0, ls_index = ~0, *locit = NULL, **ls_indexes = NULL;
- u32 i = ~0;
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+ return format (s, "%s", lcm->is_enabled ? "enabled" : "disabled");
+}
- ASSERT(a != NULL);
- ASSERT(ls_result != NULL);
+static clib_error_t *
+lisp_show_status_command_fn (vlib_main_t * vm, unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ u8 *msg = 0;
+ msg = format (msg, "feature: %U\ngpe: %U\n",
+ format_lisp_status, format_vnet_lisp_gpe_status);
+ vlib_cli_output (vm, "%v", msg);
+ vec_free (msg);
+ return 0;
+}
- p = vnet_lisp_get_locator(a, p);
- if (!p) {
- clib_warning("locator-set %v doesn't exists", a->name);
- return VNET_API_ERROR_INVALID_ARGUMENT;
- }
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (lisp_show_status_command) = {
+ .path = "show lisp status",
+ .short_help = "show lisp status",
+ .function = lisp_show_status_command_fn,
+};
+/* *INDENT-ON* */
+
+static clib_error_t *
+lisp_show_eid_table_map_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ hash_pair_t *p;
+ unformat_input_t _line_input, *line_input = &_line_input;
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+ uword *vni_table = 0;
+ u8 is_l2 = 0;
- ls_index = p[0];
+ /* Get a line of input. */
+ if (!unformat_user (input, unformat_line_input, line_input))
+ return 0;
- if (a->is_add)
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
{
- ls = pool_elt_at_index(lcm->locator_set_pool, p[0]);
- if (!ls)
- {
- clib_warning("locator-set %d to be overwritten doesn't exist!",
- p[0]);
- return VNET_API_ERROR_INVALID_ARGUMENT;
- }
-
- if (ls_result)
- ls_result[0] = p[0];
+ if (unformat (line_input, "l2"))
+ {
+ vni_table = lcm->bd_id_by_vni;
+ is_l2 = 1;
+ }
+ else if (unformat (line_input, "l3"))
+ {
+ vni_table = lcm->table_id_by_vni;
+ is_l2 = 0;
+ }
+ else
+ return clib_error_return (0, "parse error: '%U'",
+ format_unformat_error, line_input);
+ }
- /* allocate locators */
- itloc = a->locators;
- pool_get(lcm->locator_pool, loc);
- loc[0] = itloc[0];
- loc_index = loc - lcm->locator_pool;
+ if (!vni_table)
+ {
+ vlib_cli_output (vm, "Error: expected l2|l3 param!\n");
+ return 0;
+ }
- vec_add1(ls->locator_indices, loc_index);
+ vlib_cli_output (vm, "%=10s%=10s", "VNI", is_l2 ? "BD" : "VRF");
- vec_validate (lcm->locator_to_locator_sets, loc_index);
- ls_indexes = vec_elt_at_index(lcm->locator_to_locator_sets,
- loc_index);
- vec_add1(ls_indexes[0], ls_index);
- }
- else
- {
- ls = pool_elt_at_index(lcm->locator_set_pool, p[0]);
- if (!ls)
- {
- clib_warning("locator-set with index %d doesn't exists", p[0]);
- return VNET_API_ERROR_INVALID_ARGUMENT;
- }
+ /* *INDENT-OFF* */
+ hash_foreach_pair (p, vni_table,
+ ({
+ vlib_cli_output (vm, "%=10d%=10d", p->key, p->value[0]);
+ }));
+ /* *INDENT-ON* */
- if (ls->local)
- {
- itloc = a->locators;
- i = 0;
- vec_foreach (locit, ls->locator_indices)
- {
- loc = pool_elt_at_index(lcm->locator_pool, locit[0]);
- if (loc->local && loc->sw_if_index == itloc->sw_if_index)
- {
- ls_indexes = vec_elt_at_index(lcm->locator_to_locator_sets,
- locit[0]);
- pool_put_index(lcm->locator_pool, locit[0]);
- vec_del1(ls->locator_indices, i);
- vec_del1(ls_indexes[0], ls_index);
- }
- i++;
- }
- }
- }
return 0;
}
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (lisp_show_eid_table_map_command) = {
+ .path = "show lisp eid-table map",
+ .short_help = "show lisp eid-table l2|l3",
+ .function = lisp_show_eid_table_map_command_fn,
+};
+/* *INDENT-ON* */
+
static clib_error_t *
-lisp_add_del_locator_set_command_fn (vlib_main_t * vm, unformat_input_t * input,
- vlib_cli_command_t * cmd)
+lisp_add_del_locator_set_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
{
- lisp_gpe_main_t * lgm = &lisp_gpe_main;
- vnet_main_t * vnm = lgm->vnet_main;
- unformat_input_t _line_input, * line_input = &_line_input;
+ lisp_gpe_main_t *lgm = &lisp_gpe_main;
+ vnet_main_t *vnm = lgm->vnet_main;
+ unformat_input_t _line_input, *line_input = &_line_input;
u8 is_add = 1;
- clib_error_t * error = 0;
- u8 * locator_set_name = 0;
- locator_t locator, * locators = 0;
- vnet_lisp_add_del_locator_set_args_t _a, * a = &_a;
+ clib_error_t *error = 0;
+ u8 *locator_set_name = 0;
+ locator_t locator, *locators = 0;
+ vnet_lisp_add_del_locator_set_args_t _a, *a = &_a;
u32 ls_index = 0;
+ int rv = 0;
- memset(&locator, 0, sizeof(locator));
- memset(a, 0, sizeof(a[0]));
+ memset (&locator, 0, sizeof (locator));
+ memset (a, 0, sizeof (a[0]));
/* Get a line of input. */
- if (! unformat_user (input, unformat_line_input, line_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, "add %_%v%_", &locator_set_name))
- is_add = 1;
+ is_add = 1;
else if (unformat (line_input, "del %_%v%_", &locator_set_name))
- is_add = 0;
+ is_add = 0;
else if (unformat (line_input, "iface %U p %d w %d",
- unformat_vnet_sw_interface, vnm, &locator.sw_if_index,
- &locator.priority, &locator.weight))
- {
- locator.local = 1;
- vec_add1(locators, locator);
- }
+ unformat_vnet_sw_interface, vnm,
+ &locator.sw_if_index, &locator.priority,
+ &locator.weight))
+ {
+ locator.local = 1;
+ vec_add1 (locators, locator);
+ }
else
- {
- error = unformat_parse_error(line_input);
- goto done;
- }
+ {
+ error = unformat_parse_error (line_input);
+ goto done;
+ }
}
a->name = locator_set_name;
a->is_add = is_add;
a->local = 1;
- vnet_lisp_add_del_locator_set(a, &ls_index);
+ rv = vnet_lisp_add_del_locator_set (a, &ls_index);
+ if (0 != rv)
+ {
+ error = clib_error_return (0, "failed to %s locator-set!",
+ is_add ? "add" : "delete");
+ }
- done:
- vec_free(locators);
- vec_free(locator_set_name);
+done:
+ vec_free (locators);
+ if (locator_set_name)
+ vec_free (locator_set_name);
return error;
}
+/* *INDENT-OFF* */
VLIB_CLI_COMMAND (lisp_cp_add_del_locator_set_command) = {
.path = "lisp locator-set",
- .short_help = "lisp locator-set add/del <name> <iface-name> <priority> <weight>",
+ .short_help = "lisp locator-set add/del <name> [iface <iface-name> "
+ "p <priority> w <weight>]",
.function = lisp_add_del_locator_set_command_fn,
};
+/* *INDENT-ON* */
+
+static clib_error_t *
+lisp_add_del_locator_in_set_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ lisp_gpe_main_t *lgm = &lisp_gpe_main;
+ vnet_main_t *vnm = lgm->vnet_main;
+ unformat_input_t _line_input, *line_input = &_line_input;
+ u8 is_add = 1;
+ clib_error_t *error = 0;
+ u8 *locator_set_name = 0;
+ u8 locator_set_name_set = 0;
+ locator_t locator, *locators = 0;
+ vnet_lisp_add_del_locator_set_args_t _a, *a = &_a;
+ u32 ls_index = 0;
+
+ memset (&locator, 0, sizeof (locator));
+ memset (a, 0, sizeof (a[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, "add"))
+ is_add = 1;
+ else if (unformat (line_input, "del"))
+ is_add = 0;
+ else if (unformat (line_input, "locator-set %_%v%_", &locator_set_name))
+ locator_set_name_set = 1;
+ else if (unformat (line_input, "iface %U p %d w %d",
+ unformat_vnet_sw_interface, vnm,
+ &locator.sw_if_index, &locator.priority,
+ &locator.weight))
+ {
+ locator.local = 1;
+ vec_add1 (locators, locator);
+ }
+ else
+ {
+ error = unformat_parse_error (line_input);
+ goto done;
+ }
+ }
+
+ if (!locator_set_name_set)
+ {
+ error = clib_error_return (0, "locator_set name not set!");
+ goto done;
+ }
+
+ a->name = locator_set_name;
+ a->locators = locators;
+ a->is_add = is_add;
+ a->local = 1;
+
+ vnet_lisp_add_del_locator (a, 0, &ls_index);
+
+done:
+ vec_free (locators);
+ vec_free (locator_set_name);
+ return error;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (lisp_cp_add_del_locator_in_set_command) = {
+ .path = "lisp locator",
+ .short_help = "lisp locator add/del locator-set <name> iface <iface-name> "
+ "p <priority> w <weight>",
+ .function = lisp_add_del_locator_in_set_command_fn,
+};
+/* *INDENT-ON* */
static clib_error_t *
lisp_cp_show_locator_sets_command_fn (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
{
- locator_set_t * lsit;
- locator_t * loc;
- u32 * locit;
- lisp_cp_main_t * lcm = vnet_lisp_cp_get_main();
+ locator_set_t *lsit;
+ locator_t *loc;
+ u32 *locit;
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
- vlib_cli_output (vm, "%=20s%=16s%=16s%=16s", "Locator-set", "Locator",
- "Priority", "Weight");
+ vlib_cli_output (vm, "%s%=16s%=16s%=16s", "Locator-set", "Locator",
+ "Priority", "Weight");
+
+ /* *INDENT-OFF* */
pool_foreach (lsit, lcm->locator_set_pool,
({
u8 * msg = 0;
- msg = format (msg, "%-16v", lsit->name);
+ int next_line = 0;
+ if (lsit->local)
+ {
+ msg = format (msg, "%v", lsit->name);
+ }
+ else
+ {
+ msg = format (msg, "<%s-%d>", "remote", lsit - lcm->locator_set_pool);
+ }
vec_foreach (locit, lsit->locator_indices)
{
+ if (next_line)
+ {
+ msg = format (msg, "%16s", " ");
+ }
loc = pool_elt_at_index (lcm->locator_pool, locit[0]);
if (loc->local)
- msg = format (msg, "%16d%16d%16d", loc->sw_if_index, loc->priority,
+ msg = format (msg, "%16d%16d%16d\n", loc->sw_if_index, loc->priority,
loc->weight);
else
- msg = format (msg, "%16U%16d%16d", format_gid_address, &loc->address,
- loc->priority, loc->weight);
+ msg = format (msg, "%16U%16d%16d\n", format_ip_address,
+ &gid_address_ip(&loc->address), loc->priority,
+ loc->weight);
+ next_line = 1;
}
vlib_cli_output (vm, "%v", msg);
vec_free (msg);
}));
+ /* *INDENT-ON* */
return 0;
}
+/* *INDENT-OFF* */
VLIB_CLI_COMMAND (lisp_cp_show_locator_sets_command) = {
.path = "show lisp locator-set",
.short_help = "Shows locator-sets",
.function = lisp_cp_show_locator_sets_command_fn,
};
+/* *INDENT-ON* */
+
+static map_resolver_t *
+get_map_resolver (ip_address_t * a)
+{
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+ map_resolver_t *mr;
+
+ vec_foreach (mr, lcm->map_resolvers)
+ {
+ if (!ip_address_cmp (&mr->address, a))
+ {
+ return mr;
+ }
+ }
+ return 0;
+}
int
vnet_lisp_add_del_map_resolver (vnet_lisp_add_del_map_resolver_args_t * a)
{
- lisp_cp_main_t * lcm = vnet_lisp_cp_get_main();
- ip_address_t * addr;
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
u32 i;
+ map_resolver_t _mr, *mr = &_mr;
+
+ if (vnet_lisp_enable_disable_status () == 0)
+ {
+ clib_warning ("LISP is disabled!");
+ return VNET_API_ERROR_LISP_DISABLED;
+ }
if (a->is_add)
{
- vec_foreach(addr, lcm->map_resolvers)
- {
- if (!ip_address_cmp (addr, &a->address))
- {
- clib_warning("map-resolver %U already exists!", format_ip_address,
- &a->address);
- return -1;
- }
- }
- vec_add1(lcm->map_resolvers, a->address);
+
+ if (get_map_resolver (&a->address))
+ {
+ clib_warning ("map-resolver %U already exists!", format_ip_address,
+ &a->address);
+ return -1;
+ }
+
+ memset (mr, 0, sizeof (*mr));
+ ip_address_copy (&mr->address, &a->address);
+ vec_add1 (lcm->map_resolvers, *mr);
+
+ if (vec_len (lcm->map_resolvers) == 1)
+ lcm->do_map_resolver_election = 1;
}
else
{
- for (i = 0; i < vec_len(lcm->map_resolvers); i++)
- {
- addr = vec_elt_at_index(lcm->map_resolvers, i);
- if (!ip_address_cmp (addr, &a->address))
- {
- vec_delete(lcm->map_resolvers, 1, i);
- break;
- }
- }
+ for (i = 0; i < vec_len (lcm->map_resolvers); i++)
+ {
+ mr = vec_elt_at_index (lcm->map_resolvers, i);
+ if (!ip_address_cmp (&mr->address, &a->address))
+ {
+ if (!ip_address_cmp (&mr->address, &lcm->active_map_resolver))
+ lcm->do_map_resolver_election = 1;
+
+ vec_del1 (lcm->map_resolvers, i);
+ break;
+ }
+ }
}
return 0;
}
static clib_error_t *
lisp_add_del_map_resolver_command_fn (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
{
- unformat_input_t _line_input, * line_input = &_line_input;
- u8 is_add = 1;
+ unformat_input_t _line_input, *line_input = &_line_input;
+ u8 is_add = 1, addr_set = 0;
ip_address_t ip_addr;
- clib_error_t * error = 0;
- vnet_lisp_add_del_map_resolver_args_t _a, * a = &_a;
+ clib_error_t *error = 0;
+ int rv = 0;
+ vnet_lisp_add_del_map_resolver_args_t _a, *a = &_a;
/* Get a line of input. */
- if (! unformat_user (input, unformat_line_input, line_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, "add"))
- is_add = 1;
+ is_add = 1;
else if (unformat (line_input, "del"))
- is_add = 0;
+ is_add = 0;
else if (unformat (line_input, "%U", unformat_ip_address, &ip_addr))
- ;
+ addr_set = 1;
else
- {
- error = unformat_parse_error(line_input);
- goto done;
- }
+ {
+ error = unformat_parse_error (line_input);
+ goto done;
+ }
+ }
+
+ if (!addr_set)
+ {
+ error = clib_error_return (0, "Map-resolver address must be set!");
+ goto done;
}
+
a->is_add = is_add;
a->address = ip_addr;
- vnet_lisp_add_del_map_resolver (a);
+ rv = vnet_lisp_add_del_map_resolver (a);
+ if (0 != rv)
+ {
+ error = clib_error_return (0, "failed to %s map-resolver!",
+ is_add ? "add" : "delete");
+ }
- done:
+done:
return error;
}
+/* *INDENT-OFF* */
VLIB_CLI_COMMAND (lisp_add_del_map_resolver_command) = {
.path = "lisp map-resolver",
.short_help = "lisp map-resolver add/del <ip_address>",
.function = lisp_add_del_map_resolver_command_fn,
};
+/* *INDENT-ON* */
+
+int
+vnet_lisp_add_del_mreq_itr_rlocs (vnet_lisp_add_del_mreq_itr_rloc_args_t * a)
+{
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+ uword *p = 0;
+
+ if (vnet_lisp_enable_disable_status () == 0)
+ {
+ clib_warning ("LISP is disabled!");
+ return VNET_API_ERROR_LISP_DISABLED;
+ }
+
+ if (a->is_add)
+ {
+ p = hash_get_mem (lcm->locator_set_index_by_name, a->locator_set_name);
+ if (!p)
+ {
+ clib_warning ("locator-set %v doesn't exist", a->locator_set_name);
+ return VNET_API_ERROR_INVALID_ARGUMENT;
+ }
+
+ lcm->mreq_itr_rlocs = p[0];
+ }
+ else
+ {
+ lcm->mreq_itr_rlocs = ~0;
+ }
+
+ return 0;
+}
+
+static clib_error_t *
+lisp_add_del_mreq_itr_rlocs_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ unformat_input_t _line_input, *line_input = &_line_input;
+ u8 is_add = 1;
+ u8 *locator_set_name = 0;
+ clib_error_t *error = 0;
+ int rv = 0;
+ vnet_lisp_add_del_mreq_itr_rloc_args_t _a, *a = &_a;
+
+ /* 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, "del"))
+ is_add = 0;
+ else if (unformat (line_input, "add %_%v%_", &locator_set_name))
+ is_add = 1;
+ else
+ {
+ error = unformat_parse_error (line_input);
+ goto done;
+ }
+ }
+
+ a->is_add = is_add;
+ a->locator_set_name = locator_set_name;
+ rv = vnet_lisp_add_del_mreq_itr_rlocs (a);
+ if (0 != rv)
+ {
+ error = clib_error_return (0, "failed to %s map-request itr-rlocs!",
+ is_add ? "add" : "delete");
+ }
+
+ vec_free (locator_set_name);
+
+done:
+ return error;
+
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (lisp_add_del_map_request_command) = {
+ .path = "lisp map-request itr-rlocs",
+ .short_help = "lisp map-request itr-rlocs add/del <locator_set_name>",
+ .function = lisp_add_del_mreq_itr_rlocs_command_fn,
+};
+/* *INDENT-ON* */
+
+static clib_error_t *
+lisp_show_mreq_itr_rlocs_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+ locator_set_t *loc_set;
+
+ vlib_cli_output (vm, "%=20s", "itr-rlocs");
+
+ if (~0 == lcm->mreq_itr_rlocs)
+ {
+ return 0;
+ }
+
+ loc_set = pool_elt_at_index (lcm->locator_set_pool, lcm->mreq_itr_rlocs);
+
+ vlib_cli_output (vm, "%=20s", loc_set->name);
+
+ return 0;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (lisp_show_map_request_command) = {
+ .path = "show lisp map-request itr-rlocs",
+ .short_help = "Shows map-request itr-rlocs",
+ .function = lisp_show_mreq_itr_rlocs_command_fn,
+};
+/* *INDENT-ON* */
/* Statistics (not really errors) */
#define foreach_lisp_cp_lookup_error \
_(DROP, "drop") \
_(MAP_REQUESTS_SENT, "map-request sent")
-static char * lisp_cp_lookup_error_strings[] = {
+static char *lisp_cp_lookup_error_strings[] = {
#define _(sym,string) string,
foreach_lisp_cp_lookup_error
#undef _
typedef enum
{
#define _(sym,str) LISP_CP_LOOKUP_ERROR_##sym,
- foreach_lisp_cp_lookup_error
+ foreach_lisp_cp_lookup_error
#undef _
LISP_CP_LOOKUP_N_ERROR,
} lisp_cp_lookup_error_t;
typedef enum
{
LISP_CP_LOOKUP_NEXT_DROP,
- LISP_CP_LOOKUP_NEXT_IP4_LOOKUP,
- LISP_CP_LOOKUP_NEXT_IP6_LOOKUP,
LISP_CP_LOOKUP_N_NEXT,
} lisp_cp_lookup_next_t;
typedef struct
{
gid_address_t dst_eid;
- ip4_address_t map_resolver_ip;
+ ip_address_t map_resolver_ip;
} lisp_cp_lookup_trace_t;
u8 *
{
CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
- lisp_cp_lookup_trace_t * t = va_arg (*args, lisp_cp_lookup_trace_t *);
+ lisp_cp_lookup_trace_t *t = va_arg (*args, lisp_cp_lookup_trace_t *);
s = format (s, "LISP-CP-LOOKUP: map-resolver: %U destination eid %U",
- format_ip4_address, &t->map_resolver_ip, format_gid_address,
- &t->dst_eid);
+ format_ip_address, &t->map_resolver_ip, format_gid_address,
+ &t->dst_eid);
return s;
}
-static u32
-ip_fib_lookup_with_table (lisp_cp_main_t * lcm, u32 fib_index,
- ip_address_t * dst)
+int
+get_mr_and_local_iface_ip (lisp_cp_main_t * lcm, ip_address_t * mr_ip,
+ ip_address_t * sloc)
{
- if (ip_addr_version (dst) == IP4)
- return ip4_fib_lookup_with_table (lcm->im4, fib_index, &ip_addr_v4(dst),
- 0);
- else
- return ip6_fib_lookup_with_table (lcm->im6, fib_index, &ip_addr_v6(dst));
-}
+ map_resolver_t *mrit;
+ ip_address_t *a;
-void
-get_local_iface_ip_for_dst (lisp_cp_main_t *lcm, ip_address_t * dst,
- ip_address_t * sloc)
-{
- u32 adj_index;
- ip_adjacency_t * adj;
- ip_interface_address_t * ia = 0;
- ip_lookup_main_t * lm = &lcm->im4->lookup_main;
- ip4_address_t * l4 = 0;
- ip6_address_t * l6 = 0;
-
- adj_index = ip_fib_lookup_with_table (lcm, 0, dst);
- adj = ip_get_adjacency (lm, adj_index);
-
- if (adj->lookup_next_index == IP_LOOKUP_NEXT_ARP)
- {
- ia = pool_elt_at_index(lm->if_address_pool, adj->if_address_index);
- if (ip_addr_version(dst) == IP4)
- {
- l4 = ip_interface_address_get_address (lm, ia);
- }
- else
- {
- l6 = ip_interface_address_get_address (lm, ia);
- }
- }
- else if (adj->lookup_next_index == IP_LOOKUP_NEXT_REWRITE)
- {
- /* find sw_if_index in rewrite header */
- u32 sw_if_index = adj->rewrite_header.sw_if_index;
-
- /* find suitable address */
- if (ip_addr_version(dst) == IP4)
- {
- /* find the first ip address */
- foreach_ip_interface_address (&lcm->im4->lookup_main, ia,
- sw_if_index, 1 /* unnumbered */,
- ({
- l4 = ip_interface_address_get_address (&lcm->im4->lookup_main, ia);
- break;
- }));
- }
- else
- {
- /* find the first ip address */
- foreach_ip_interface_address (&lcm->im6->lookup_main, ia,
- sw_if_index, 1 /* unnumbered */,
- ({
- l6 = ip_interface_address_get_address (&lcm->im6->lookup_main, ia);
- break;
- }));
- }
- }
- else
+ if (vec_len (lcm->map_resolvers) == 0)
{
- clib_warning("Can't find local local interface ip for dst %U",
- format_ip_address, dst);
- return;
+ clib_warning ("No map-resolver configured");
+ return 0;
}
- if (l4)
- {
- ip_addr_v4(sloc).as_u32 = l4->as_u32;
- ip_addr_version(sloc) = IP4;
- }
- else if (l6)
- {
- memcpy (&ip_addr_v6(sloc), l6, sizeof(*l6));
- ip_addr_version(sloc) = IP6;
- }
- else
- {
- clib_warning("Can't find local interface addr for dst %U",
- format_ip_address, dst);
- }
-}
+ /* find the first mr ip we have a route to and the ip of the
+ * iface that has a route to it */
+ vec_foreach (mrit, lcm->map_resolvers)
+ {
+ a = &mrit->address;
+ if (0 != ip_fib_get_first_egress_ip_for_dst (lcm, a, sloc))
+ {
+ ip_address_copy (mr_ip, a);
+
+ /* also update globals */
+ return 1;
+ }
+ }
+ clib_warning ("Can't find map-resolver and local interface ip!");
+ return 0;
+}
-static ip_address_t *
+static gid_address_t *
build_itr_rloc_list (lisp_cp_main_t * lcm, locator_set_t * loc_set)
{
- ip4_address_t * l4;
- ip6_address_t * l6;
+ void *addr;
u32 i;
- locator_t * loc;
- u32 * loc_indexp;
- ip_interface_address_t * ia = 0;
- ip_address_t * rlocs = 0;
- ip_address_t _rloc, * rloc = &_rloc;
-
- for (i = 0; i < vec_len(loc_set->locator_indices); i++)
+ locator_t *loc;
+ u32 *loc_indexp;
+ ip_interface_address_t *ia = 0;
+ gid_address_t gid_data, *gid = &gid_data;
+ gid_address_t *rlocs = 0;
+ ip_prefix_t *ippref = &gid_address_ippref (gid);
+ ip_address_t *rloc = &ip_prefix_addr (ippref);
+
+ memset (gid, 0, sizeof (gid[0]));
+ gid_address_type (gid) = GID_ADDR_IP_PREFIX;
+ for (i = 0; i < vec_len (loc_set->locator_indices); i++)
{
- loc_indexp = vec_elt_at_index(loc_set->locator_indices, i);
+ loc_indexp = vec_elt_at_index (loc_set->locator_indices, i);
loc = pool_elt_at_index (lcm->locator_pool, loc_indexp[0]);
- ip_addr_version(rloc) = IP4;
/* Add ipv4 locators first TODO sort them */
+
+ /* *INDENT-OFF* */
foreach_ip_interface_address (&lcm->im4->lookup_main, ia,
loc->sw_if_index, 1 /* unnumbered */,
({
- l4 = ip_interface_address_get_address (&lcm->im4->lookup_main, ia);
- ip_addr_v4(rloc) = l4[0];
- vec_add1(rlocs, rloc[0]);
+ addr = ip_interface_address_get_address (&lcm->im4->lookup_main, ia);
+ ip_address_set (rloc, addr, IP4);
+ ip_prefix_len (ippref) = 32;
+ ip_prefix_normalize (ippref);
+ vec_add1 (rlocs, gid[0]);
}));
- ip_addr_version(rloc) = IP6;
/* Add ipv6 locators */
foreach_ip_interface_address (&lcm->im6->lookup_main, ia,
loc->sw_if_index, 1 /* unnumbered */,
({
- l6 = ip_interface_address_get_address (&lcm->im6->lookup_main, ia);
- ip_addr_v6(rloc) = l6[0];
- vec_add1(rlocs, rloc[0]);
+ addr = ip_interface_address_get_address (&lcm->im6->lookup_main, ia);
+ ip_address_set (rloc, addr, IP6);
+ ip_prefix_len (ippref) = 128;
+ ip_prefix_normalize (ippref);
+ vec_add1 (rlocs, gid[0]);
}));
+ /* *INDENT-ON* */
+
}
return rlocs;
}
static vlib_buffer_t *
-build_encapsulated_map_request (vlib_main_t * vm, lisp_cp_main_t *lcm,
- gid_address_t * seid, gid_address_t * deid,
- locator_set_t * loc_set, u8 is_smr_invoked,
- u64 *nonce_res, u32 * bi_res)
+build_encapsulated_map_request (lisp_cp_main_t * lcm,
+ gid_address_t * seid, gid_address_t * deid,
+ locator_set_t * loc_set, ip_address_t * mr_ip,
+ ip_address_t * sloc, u8 is_smr_invoked,
+ u64 * nonce_res, u32 * bi_res)
{
- vlib_buffer_t * b;
+ vlib_buffer_t *b;
u32 bi;
- ip_address_t * mr_ip, sloc;
- ip_address_t * rlocs = 0;
+ gid_address_t *rlocs = 0;
+ vlib_main_t *vm = lcm->vlib_main;
if (vlib_buffer_alloc (vm, &bi, 1) != 1)
{
/* get rlocs */
rlocs = build_itr_rloc_list (lcm, loc_set);
- /* put lisp msg */
- lisp_msg_put_mreq (lcm, b, seid, deid, rlocs, is_smr_invoked, nonce_res);
+ if (MR_MODE_SRC_DST == lcm->map_request_mode)
+ {
+ gid_address_t sd;
+ memset (&sd, 0, sizeof (sd));
+ build_src_dst (&sd, seid, deid);
+ lisp_msg_put_mreq (lcm, b, seid, &sd, rlocs, is_smr_invoked, nonce_res);
+ }
+ else
+ {
+ /* put lisp msg */
+ lisp_msg_put_mreq (lcm, b, seid, deid, rlocs, is_smr_invoked,
+ nonce_res);
+ }
/* push ecm: udp-ip-lisp */
lisp_msg_push_ecm (vm, b, LISP_CONTROL_PORT, LISP_CONTROL_PORT, seid, deid);
- /* get map-resolver ip XXX use first*/
- mr_ip = vec_elt_at_index(lcm->map_resolvers, 0);
-
- /* get local iface ip to use in map-request XXX fib 0 for now*/
- get_local_iface_ip_for_dst (lcm, mr_ip, &sloc);
-
/* push outer ip header */
- pkt_push_udp_and_ip (vm, b, LISP_CONTROL_PORT, LISP_CONTROL_PORT, &sloc,
- mr_ip);
+ pkt_push_udp_and_ip (vm, b, LISP_CONTROL_PORT, LISP_CONTROL_PORT, sloc,
+ mr_ip);
bi_res[0] = bi;
- if (rlocs)
- vec_free(rlocs);
+ vec_free (rlocs);
return b;
}
-static void
-send_encapsulated_map_request (vlib_main_t * vm, lisp_cp_main_t *lcm,
- gid_address_t * seid, gid_address_t * deid,
- u8 is_smr_invoked)
-{
- u32 next_index, bi = 0, * to_next, map_index;
- vlib_buffer_t * b;
- vlib_frame_t * f;
- u64 nonce = 0;
- locator_set_t * loc_set;
- mapping_t * map;
- pending_map_request_t * pmr;
+static void
+reset_pending_mr_counters (pending_map_request_t * r)
+{
+ r->time_to_expire = PENDING_MREQ_EXPIRATION_TIME;
+ r->retries_num = 0;
+}
+
+static int
+elect_map_resolver (lisp_cp_main_t * lcm)
+{
+ map_resolver_t *mr;
+
+ vec_foreach (mr, lcm->map_resolvers)
+ {
+ if (!mr->is_down)
+ {
+ ip_address_copy (&lcm->active_map_resolver, &mr->address);
+ lcm->do_map_resolver_election = 0;
+ return 1;
+ }
+ }
+ return 0;
+}
+
+#define send_encapsulated_map_request(lcm, seid, deid, smr) \
+ _send_encapsulated_map_request(lcm, seid, deid, smr, 0)
+
+#define resend_encapsulated_map_request(lcm, seid, deid, smr) \
+ _send_encapsulated_map_request(lcm, seid, deid, smr, 1)
+
+static int
+_send_encapsulated_map_request (lisp_cp_main_t * lcm,
+ gid_address_t * seid, gid_address_t * deid,
+ u8 is_smr_invoked, u8 is_resend)
+{
+ map_resolver_t *mr;
+ u32 next_index, bi = 0, *to_next, map_index;
+ vlib_buffer_t *b;
+ vlib_frame_t *f;
+ u64 nonce = 0;
+ locator_set_t *loc_set;
+ mapping_t *map;
+ pending_map_request_t *pmr, *duplicate_pmr = 0;
+ ip_address_t sloc;
+ u32 ls_index;
+
+ ASSERT (*lcm->pending_map_request_lock);
+
+ /* if there is already a pending request remember it */
+
+ /* *INDENT-OFF* */
+ pool_foreach(pmr, lcm->pending_map_requests_pool,
+ ({
+ if (!gid_address_cmp (&pmr->src, seid)
+ && !gid_address_cmp (&pmr->dst, deid))
+ {
+ duplicate_pmr = pmr;
+ break;
+ }
+ }));
+ /* *INDENT-ON* */
+
+ if (!is_resend && duplicate_pmr)
+ {
+ /* don't send the request if there is a pending map request already */
+ return 0;
+ }
/* 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 -1;
+ }
+
+ map = pool_elt_at_index (lcm->mapping_pool, map_index);
+
+ if (!map->local)
+ {
+ clib_warning
+ ("Mapping found for src eid %U is not marked as local!",
+ format_gid_address, seid);
+ return -1;
+ }
+ ls_index = map->locator_set_index;
+ }
+ else
+ {
+ map_index = lcm->pitr_map_index;
+ map = pool_elt_at_index (lcm->mapping_pool, lcm->pitr_map_index);
+ ls_index = map->locator_set_index;
+ }
+
+ /* overwrite locator set if map-request itr-rlocs configured */
+ if (~0 != lcm->mreq_itr_rlocs)
+ {
+ ls_index = lcm->mreq_itr_rlocs;
}
- map = pool_elt_at_index (lcm->mapping_pool, map_index);
+ loc_set = pool_elt_at_index (lcm->locator_set_pool, ls_index);
- if (!map->local)
+ while (lcm->do_map_resolver_election
+ | (0 == ip_fib_get_first_egress_ip_for_dst (lcm,
+ &lcm->active_map_resolver,
+ &sloc)))
{
- clib_warning("Mapping found for src eid %U is not marked as local!",
- format_gid_address, seid);
- return;
+ if (0 == elect_map_resolver (lcm))
+ /* all Mrs are down */
+ {
+ if (duplicate_pmr)
+ duplicate_pmr->to_be_removed = 1;
+
+ /* restart MR checking by marking all of them up */
+ vec_foreach (mr, lcm->map_resolvers) mr->is_down = 0;
+
+ return -1;
+ }
}
- loc_set = pool_elt_at_index (lcm->locator_set_pool, map->locator_set_index);
/* build the encapsulated map request */
- b = build_encapsulated_map_request (vm, lcm, seid, deid, loc_set,
- is_smr_invoked, &nonce, &bi);
+ b = build_encapsulated_map_request (lcm, seid, deid, loc_set,
+ &lcm->active_map_resolver,
+ &sloc, is_smr_invoked, &nonce, &bi);
if (!b)
- return;
+ return -1;
- vnet_buffer(b)->sw_if_index[VLIB_TX] = ~0;
- next_index = (ip_prefix_version(&gid_address_ippref(seid)) == IP4) ?
- ip4_lookup_node.index : ip6_lookup_node.index;
+ /* set fib index to default and lookup node */
+ vnet_buffer (b)->sw_if_index[VLIB_TX] = 0;
+ next_index = (ip_addr_version (&lcm->active_map_resolver) == IP4) ?
+ ip4_lookup_node.index : ip6_lookup_node.index;
- f = vlib_get_frame_to_node (vm, next_index);
+ f = vlib_get_frame_to_node (lcm->vlib_main, next_index);
/* Enqueue the packet */
to_next = vlib_frame_vector_args (f);
to_next[0] = bi;
f->n_vectors = 1;
- vlib_put_frame_to_node (vm, next_index, f);
+ vlib_put_frame_to_node (lcm->vlib_main, next_index, f);
+
+ if (duplicate_pmr)
+ /* if there is a pending request already update it */
+ {
+ if (clib_fifo_elts (duplicate_pmr->nonces) >= PENDING_MREQ_QUEUE_LEN)
+ {
+ /* remove the oldest nonce */
+ u64 CLIB_UNUSED (tmp), *nonce_del;
+ nonce_del = clib_fifo_head (duplicate_pmr->nonces);
+ hash_unset (lcm->pending_map_requests_by_nonce, nonce_del[0]);
+ clib_fifo_sub1 (duplicate_pmr->nonces, tmp);
+ }
+
+ clib_fifo_add1 (duplicate_pmr->nonces, nonce);
+ hash_set (lcm->pending_map_requests_by_nonce, nonce,
+ duplicate_pmr - lcm->pending_map_requests_pool);
+ }
+ else
+ {
+ /* add map-request to pending requests table */
+ pool_get (lcm->pending_map_requests_pool, pmr);
+ memset (pmr, 0, sizeof (*pmr));
+ gid_address_copy (&pmr->src, seid);
+ gid_address_copy (&pmr->dst, deid);
+ clib_fifo_add1 (pmr->nonces, nonce);
+ pmr->is_smr_invoked = is_smr_invoked;
+ reset_pending_mr_counters (pmr);
+ hash_set (lcm->pending_map_requests_by_nonce, nonce,
+ pmr - lcm->pending_map_requests_pool);
+ }
- /* add map-request to pending requests table */
- pool_get(lcm->pending_map_requests_pool, pmr);
- gid_address_copy (&pmr->src, seid);
- gid_address_copy (&pmr->dst, deid);
- pmr->src_mapping_index = map_index;
- hash_set(lcm->pending_map_requests_by_nonce, nonce,
- pmr - lcm->pending_map_requests_pool);
+ return 0;
}
static void
-get_src_and_dst (void *hdr, ip_address_t * src, ip_address_t *dst)
+get_src_and_dst_ip (void *hdr, ip_address_t * src, ip_address_t * dst)
{
- ip4_header_t * ip4 = hdr;
- ip6_header_t * ip6;
+ ip4_header_t *ip4 = hdr;
+ ip6_header_t *ip6;
if ((ip4->ip_version_and_header_length & 0xF0) == 0x40)
{
- ip_addr_v4(src).as_u32 = ip4->src_address.as_u32;
- ip_addr_version(src) = IP4;
- ip_addr_v4(dst).as_u32 = ip4->dst_address.as_u32;
- ip_addr_version(dst) = IP4;
+ ip_address_set (src, &ip4->src_address, IP4);
+ ip_address_set (dst, &ip4->dst_address, IP4);
}
else
{
ip6 = hdr;
- memcpy (&ip_addr_v6(src), &ip6->src_address, sizeof(ip6->src_address));
- ip_addr_version(src) = IP6;
- memcpy (&ip_addr_v6(dst), &ip6->dst_address, sizeof(ip6->dst_address));
- ip_addr_version(dst) = IP6;
+ ip_address_set (src, &ip6->src_address, IP6);
+ ip_address_set (dst, &ip6->dst_address, IP6);
+ }
+}
+
+static u32
+lisp_get_vni_from_buffer_ip (lisp_cp_main_t * lcm, vlib_buffer_t * b,
+ u8 version)
+{
+ uword *vnip;
+ u32 vni = ~0, table_id = ~0;
+
+ table_id = fib_table_get_table_id_for_sw_if_index ((version ==
+ IP4 ? FIB_PROTOCOL_IP4 :
+ FIB_PROTOCOL_IP6),
+ vnet_buffer
+ (b)->sw_if_index
+ [VLIB_RX]);
+
+ vnip = hash_get (lcm->vni_by_table_id, table_id);
+ if (vnip)
+ vni = vnip[0];
+ else
+ clib_warning ("vrf %d is not mapped to any vni!", table_id);
+
+ return vni;
+}
+
+always_inline u32
+lisp_get_vni_from_buffer_eth (lisp_cp_main_t * lcm, vlib_buffer_t * b)
+{
+ uword *vnip;
+ u32 vni = ~0;
+ u32 sw_if_index0;
+
+ l2input_main_t *l2im = &l2input_main;
+ l2_input_config_t *config;
+ l2_bridge_domain_t *bd_config;
+
+ sw_if_index0 = vnet_buffer (b)->sw_if_index[VLIB_RX];
+ config = vec_elt_at_index (l2im->configs, sw_if_index0);
+ bd_config = vec_elt_at_index (l2im->bd_configs, config->bd_index);
+
+ vnip = hash_get (lcm->vni_by_bd_id, bd_config->bd_id);
+ if (vnip)
+ vni = vnip[0];
+ else
+ clib_warning ("bridge domain %d is not mapped to any vni!",
+ config->bd_index);
+
+ return vni;
+}
+
+always_inline void
+get_src_and_dst_eids_from_buffer (lisp_cp_main_t * lcm, vlib_buffer_t * b,
+ gid_address_t * src, gid_address_t * dst)
+{
+ u32 vni = 0;
+ u16 type;
+
+ memset (src, 0, sizeof (*src));
+ memset (dst, 0, sizeof (*dst));
+ type = vnet_buffer (b)->lisp.overlay_afi;
+
+ if (LISP_AFI_IP == type || LISP_AFI_IP6 == type)
+ {
+ ip4_header_t *ip;
+ u8 version, preflen;
+
+ gid_address_type (src) = GID_ADDR_IP_PREFIX;
+ gid_address_type (dst) = GID_ADDR_IP_PREFIX;
+
+ ip = vlib_buffer_get_current (b);
+ get_src_and_dst_ip (ip, &gid_address_ip (src), &gid_address_ip (dst));
+
+ version = gid_address_ip_version (src);
+ preflen = ip_address_max_len (version);
+ gid_address_ippref_len (src) = preflen;
+ gid_address_ippref_len (dst) = preflen;
+
+ vni = lisp_get_vni_from_buffer_ip (lcm, b, version);
+ gid_address_vni (dst) = vni;
+ gid_address_vni (src) = vni;
+ }
+ else if (LISP_AFI_MAC == type)
+ {
+ ethernet_header_t *eh;
+
+ eh = vlib_buffer_get_current (b);
+
+ gid_address_type (src) = GID_ADDR_MAC;
+ gid_address_type (dst) = GID_ADDR_MAC;
+ mac_copy (&gid_address_mac (src), eh->src_address);
+ mac_copy (&gid_address_mac (dst), eh->dst_address);
+
+ /* get vni */
+ vni = lisp_get_vni_from_buffer_eth (lcm, b);
+
+ gid_address_vni (dst) = vni;
+ gid_address_vni (src) = vni;
}
}
static uword
-lisp_cp_lookup (vlib_main_t * vm, vlib_node_runtime_t * node,
- vlib_frame_t * from_frame)
+lisp_cp_lookup_inline (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * from_frame, int overlay)
{
- u32 * from, * to_next_drop;
- lisp_cp_main_t *lcm = vnet_lisp_cp_get_main();
+ u32 *from, *to_next_drop, di, si;
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
u32 pkts_mapped = 0;
uword n_left_from, n_left_to_next_drop;
while (n_left_from > 0)
{
vlib_get_next_frame (vm, node, LISP_CP_LOOKUP_NEXT_DROP,
- to_next_drop, n_left_to_next_drop);
+ to_next_drop, n_left_to_next_drop);
while (n_left_from > 0 && n_left_to_next_drop > 0)
- {
- u32 pi0;
- vlib_buffer_t * p0;
- ip4_header_t * ip0;
- gid_address_t src, dst;
- ip_prefix_t * spref, * dpref;
-
- gid_address_type (&src) = IP_PREFIX;
- spref = &gid_address_ippref(&src);
- gid_address_type (&dst) = IP_PREFIX;
- dpref = &gid_address_ippref(&dst);
-
- pi0 = from[0];
- from += 1;
- n_left_from -= 1;
- to_next_drop[0] = pi0;
- to_next_drop += 1;
- n_left_to_next_drop -= 1;
-
- p0 = vlib_get_buffer (vm, pi0);
- p0->error = node->errors[LISP_CP_LOOKUP_ERROR_DROP];
-
- /* src/dst eid pair */
- ip0 = vlib_buffer_get_current (p0);
- get_src_and_dst (ip0, &ip_prefix_addr(spref), &ip_prefix_addr(dpref));
- ip_prefix_len(spref) = ip_address_max_len (ip_prefix_version(spref));
- ip_prefix_len(dpref) = ip_address_max_len (ip_prefix_version(dpref));
-
- /* send map-request */
- send_encapsulated_map_request (vm, lcm, &src, &dst, 0);
-
- pkts_mapped++;
-
- if (PREDICT_FALSE(p0->flags & VLIB_BUFFER_IS_TRACED))
- {
- lisp_cp_lookup_trace_t *tr = vlib_add_trace (vm, node, p0,
- sizeof(*tr));
- gid_address_copy (&tr->dst_eid, &dst);
- memcpy (&tr->map_resolver_ip,
- vec_elt_at_index(lcm->map_resolvers, 0),
- sizeof(ip_address_t));
- }
- }
-
- vlib_put_next_frame (vm, node, LISP_CP_LOOKUP_NEXT_DROP, n_left_to_next_drop);
+ {
+ u32 pi0;
+ vlib_buffer_t *b0;
+ gid_address_t src, dst;
+
+ pi0 = from[0];
+ from += 1;
+ n_left_from -= 1;
+ to_next_drop[0] = pi0;
+ to_next_drop += 1;
+ n_left_to_next_drop -= 1;
+
+ b0 = vlib_get_buffer (vm, pi0);
+ b0->error = node->errors[LISP_CP_LOOKUP_ERROR_DROP];
+ vnet_buffer (b0)->lisp.overlay_afi = overlay;
+
+ /* src/dst eid pair */
+ get_src_and_dst_eids_from_buffer (lcm, b0, &src, &dst);
+
+ /* if we have remote mapping for destination already in map-chache
+ add forwarding tunnel directly. If not send a map-request */
+ di = gid_dictionary_sd_lookup (&lcm->mapping_index_by_gid, &dst,
+ &src);
+ if (~0 != di)
+ {
+ 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 == LISP_SEND_MAP_REQUEST)
+ {
+ /* send map-request */
+ queue_map_request (&src, &dst, 0 /* smr_invoked */ ,
+ 0 /* is_resend */ );
+ pkts_mapped++;
+ }
+ else
+ {
+ si = gid_dictionary_lookup (&lcm->mapping_index_by_gid,
+ &src);
+ if (~0 != si)
+ {
+ dp_add_fwd_entry (lcm, si, di);
+ }
+ }
+ }
+ else
+ {
+ /* send map-request */
+ queue_map_request (&src, &dst, 0 /* smr_invoked */ ,
+ 0 /* is_resend */ );
+ pkts_mapped++;
+ }
+
+ if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))
+ {
+ lisp_cp_lookup_trace_t *tr = vlib_add_trace (vm, node, b0,
+ sizeof (*tr));
+
+ memset (tr, 0, sizeof (*tr));
+ gid_address_copy (&tr->dst_eid, &dst);
+ ip_address_copy (&tr->map_resolver_ip,
+ &lcm->active_map_resolver);
+ }
+ gid_address_free (&dst);
+ gid_address_free (&src);
+ }
+
+ vlib_put_next_frame (vm, node, LISP_CP_LOOKUP_NEXT_DROP,
+ n_left_to_next_drop);
}
vlib_node_increment_counter (vm, node->node_index,
- LISP_CP_LOOKUP_ERROR_MAP_REQUESTS_SENT,
- pkts_mapped);
+ LISP_CP_LOOKUP_ERROR_MAP_REQUESTS_SENT,
+ pkts_mapped);
return from_frame->n_vectors;
}
-VLIB_REGISTER_NODE (lisp_cp_lookup_node) = {
- .function = lisp_cp_lookup,
- .name = "lisp-cp-lookup",
+static uword
+lisp_cp_lookup_ip4 (vlib_main_t * vm,
+ vlib_node_runtime_t * node, vlib_frame_t * from_frame)
+{
+ return (lisp_cp_lookup_inline (vm, node, from_frame, LISP_AFI_IP));
+}
+
+static uword
+lisp_cp_lookup_ip6 (vlib_main_t * vm,
+ vlib_node_runtime_t * node, vlib_frame_t * from_frame)
+{
+ return (lisp_cp_lookup_inline (vm, node, from_frame, LISP_AFI_IP6));
+}
+
+static uword
+lisp_cp_lookup_l2 (vlib_main_t * vm,
+ vlib_node_runtime_t * node, vlib_frame_t * from_frame)
+{
+ return (lisp_cp_lookup_inline (vm, node, from_frame, LISP_AFI_MAC));
+}
+
+/* *INDENT-OFF* */
+VLIB_REGISTER_NODE (lisp_cp_lookup_ip4_node) = {
+ .function = lisp_cp_lookup_ip4,
+ .name = "lisp-cp-lookup-ip4",
+ .vector_size = sizeof (u32),
+ .format_trace = format_lisp_cp_lookup_trace,
+ .type = VLIB_NODE_TYPE_INTERNAL,
+
+ .n_errors = LISP_CP_LOOKUP_N_ERROR,
+ .error_strings = lisp_cp_lookup_error_strings,
+
+ .n_next_nodes = LISP_CP_LOOKUP_N_NEXT,
+
+ .next_nodes = {
+ [LISP_CP_LOOKUP_NEXT_DROP] = "error-drop",
+ },
+};
+/* *INDENT-ON* */
+
+/* *INDENT-OFF* */
+VLIB_REGISTER_NODE (lisp_cp_lookup_ip6_node) = {
+ .function = lisp_cp_lookup_ip6,
+ .name = "lisp-cp-lookup-ip6",
+ .vector_size = sizeof (u32),
+ .format_trace = format_lisp_cp_lookup_trace,
+ .type = VLIB_NODE_TYPE_INTERNAL,
+
+ .n_errors = LISP_CP_LOOKUP_N_ERROR,
+ .error_strings = lisp_cp_lookup_error_strings,
+
+ .n_next_nodes = LISP_CP_LOOKUP_N_NEXT,
+
+ .next_nodes = {
+ [LISP_CP_LOOKUP_NEXT_DROP] = "error-drop",
+ },
+};
+/* *INDENT-ON* */
+
+/* *INDENT-OFF* */
+VLIB_REGISTER_NODE (lisp_cp_lookup_l2_node) = {
+ .function = lisp_cp_lookup_l2,
+ .name = "lisp-cp-lookup-l2",
.vector_size = sizeof (u32),
.format_trace = format_lisp_cp_lookup_trace,
.type = VLIB_NODE_TYPE_INTERNAL,
.next_nodes = {
[LISP_CP_LOOKUP_NEXT_DROP] = "error-drop",
- [LISP_CP_LOOKUP_NEXT_IP4_LOOKUP] = "ip4-lookup",
- [LISP_CP_LOOKUP_NEXT_IP6_LOOKUP] = "ip6-lookup",
},
};
+/* *INDENT-ON* */
/* lisp_cp_input statistics */
-#define foreach_lisp_cp_input_error \
-_(DROP, "drop") \
+#define foreach_lisp_cp_input_error \
+_(DROP, "drop") \
_(MAP_REPLIES_RECEIVED, "map-replies received")
-static char * lisp_cp_input_error_strings[] = {
+static char *lisp_cp_input_error_strings[] = {
#define _(sym,string) string,
foreach_lisp_cp_input_error
#undef _
typedef enum
{
#define _(sym,str) LISP_CP_INPUT_ERROR_##sym,
- foreach_lisp_cp_input_error
+ foreach_lisp_cp_input_error
#undef _
LISP_CP_INPUT_N_ERROR,
} lisp_cp_input_error_t;
{
CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
- CLIB_UNUSED(lisp_cp_input_trace_t * t) = va_arg (*args, lisp_cp_input_trace_t *);
+ CLIB_UNUSED (lisp_cp_input_trace_t * t) =
+ va_arg (*args, lisp_cp_input_trace_t *);
s = format (s, "LISP-CP-INPUT: TODO");
return s;
}
-ip_interface_address_t *
-ip_interface_get_first_interface_address (ip_lookup_main_t *lm, u32 sw_if_index,
- u8 loop)
-{
- vnet_main_t *vnm = vnet_get_main ();
- vnet_sw_interface_t * swif = vnet_get_sw_interface (vnm, sw_if_index);
- if (loop && swif->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED)
- sw_if_index = swif->unnumbered_sw_if_index;
- u32 ia =
- (vec_len((lm)->if_address_pool_index_by_sw_if_index) > (sw_if_index)) ?
- vec_elt((lm)->if_address_pool_index_by_sw_if_index, (sw_if_index)) :
- (u32) ~0;
- return pool_elt_at_index((lm)->if_address_pool, ia);
-}
-
void *
-ip_interface_get_first_ip_addres (ip_lookup_main_t *lm, u32 sw_if_index,
- u8 loop)
-{
- ip_interface_address_t * ia = ip_interface_get_first_interface_address (
- lm, sw_if_index, loop);
- return ip_interface_address_get_address (lm, ia);
-}
-
-void
-del_fwd_entry (lisp_cp_main_t * lcm, u32 src_map_index,
- u32 dst_map_index)
-{
- vnet_lisp_gpe_add_del_fwd_entry_args_t _a, * a = &_a;
- fwd_entry_t * fe = 0;
- uword * feip = 0;
- memset(a, 0, sizeof(*a));
-
- feip = hash_get(lcm->fwd_entry_by_mapping_index, dst_map_index);
- if (!feip)
- return;
-
- fe = pool_elt_at_index(lcm->fwd_entry_pool, feip[0]);
-
- /* delete dp fwd entry */
- u32 sw_if_index;
- a->is_add = 0;
- a->dlocator = fe->dst_loc;
- a->slocator = fe->src_loc;
- a->iid = 0; // XXX should be part of mapping/eid
- gid_address_copy(&a->deid, &fe->deid);
-
- vnet_lisp_gpe_add_del_fwd_entry (a, &sw_if_index);
-
- /* delete entry in fwd table */
- hash_unset(lcm->fwd_entry_by_mapping_index, dst_map_index);
- pool_put(lcm->fwd_entry_pool, fe);
-}
-
-void
-add_fwd_entry (lisp_cp_main_t* lcm, u32 src_map_index, u32 dst_map_index)
-{
- mapping_t * src_map, * dst_map;
- locator_set_t * dst_ls, * src_ls;
- u32 i, minp = ~0;
- locator_t * dl = 0;
- uword * feip = 0;
- vnet_lisp_gpe_add_del_fwd_entry_args_t _a, * a = &_a;
- memset (a, 0, sizeof(*a));
-
- /* remove entry if it already exists */
- feip = hash_get (lcm->fwd_entry_by_mapping_index, dst_map_index);
- if (feip)
- del_fwd_entry (lcm, src_map_index, dst_map_index);
-
- src_map = pool_elt_at_index (lcm->mapping_pool, src_map_index);
- dst_map = pool_elt_at_index (lcm->mapping_pool, dst_map_index);
-
- /* XXX simple forwarding policy: first lowest (value) priority locator */
- dst_ls = pool_elt_at_index (lcm->locator_set_pool,
- dst_map->locator_set_index);
- for (i = 0; i < vec_len (dst_ls->locator_indices); i++)
- {
- u32 li = vec_elt (dst_ls->locator_indices, i);
- locator_t * l = pool_elt_at_index (lcm->locator_pool, li);
- if (l->priority < minp && gid_address_type(&l->address) == IP_PREFIX)
- {
- minp = l->priority;
- dl = l;
- }
- }
- if (dl)
- {
- src_ls = pool_elt_at_index (lcm->locator_set_pool,
- src_map->locator_set_index);
- for (i = 0; i < vec_len (src_ls->locator_indices); i++)
- {
- u32 li = vec_elt (src_ls->locator_indices, i);
- locator_t * sl = pool_elt_at_index (lcm->locator_pool, li);
-
- if (ip_addr_version(&gid_address_ip(&dl->address)) == IP4)
- {
- ip4_address_t * l4;
- l4 = ip_interface_get_first_ip_addres (&lcm->im4->lookup_main,
- sl->sw_if_index,
- 1 /* unnumbered */);
- ip_addr_v4(&a->slocator) = *l4;
- ip_addr_version(&a->slocator) = IP4;
- }
- else
- {
- ip6_address_t * l6;
- l6 = ip_interface_get_first_ip_addres (&lcm->im6->lookup_main,
- sl->sw_if_index,
- 1 /* unnumbered */);
- ip_addr_v6(&a->slocator) = *l6;
- ip_addr_version(&a->slocator) = IP6;
- }
- }
- }
- /* insert data plane forwarding entry */
- u32 sw_if_index;
- a->is_add = 1;
- if (dl)
- a->dlocator = gid_address_ip(&dl->address);
- else
- {
- a->is_negative = 1;
- a->action = dst_map->action;
- }
-
- gid_address_copy (&a->deid, &dst_map->eid);
- a->iid = 0; // XXX should be part of mapping/eid
- u8 ipver = ip_prefix_version(&gid_address_ippref(&a->deid));
- a->decap_next_index = (ipver == IP4) ?
- LISP_GPE_INPUT_NEXT_IP4_INPUT : LISP_GPE_INPUT_NEXT_IP6_INPUT;
- /* XXX tunnels work only with IP4 now */
- vnet_lisp_gpe_add_del_fwd_entry (a, &sw_if_index);
-
- /* add tunnel to fwd entry table XXX check return value from DP insertion */
- fwd_entry_t* fe;
- pool_get (lcm->fwd_entry_pool, fe);
- fe->dst_loc = a->dlocator;
- fe->src_loc = a->slocator;
- gid_address_copy (&fe->deid, &a->deid);
- hash_set (lcm->fwd_entry_by_mapping_index, dst_map_index,
- fe - lcm->fwd_entry_pool);
-}
-
-/* return 0 if the two locator sets are identical 1 otherwise */
-static u8
-compare_locators (lisp_cp_main_t *lcm, u32 * old_ls_indexes,
- locator_t * new_locators)
-{
- u32 i, old_li;
- locator_t * old_loc, * new_loc;
-
- if (vec_len (old_ls_indexes) != vec_len(new_locators))
- return 1;
-
- for (i = 0; i < vec_len(new_locators); i++)
- {
- old_li = vec_elt(old_ls_indexes, i);
- old_loc = pool_elt_at_index(lcm->locator_pool, old_li);
-
- new_loc = vec_elt_at_index(new_locators, i);
-
- if (locator_cmp (old_loc, new_loc))
- return 1;
- }
- return 0;
-}
-
-void
-process_map_reply (lisp_cp_main_t * lcm, vlib_buffer_t * b)
+process_map_reply (void *arg)
{
- u32 len = 0, i, ls_index = 0;
- void * h;
- vnet_lisp_add_del_locator_set_args_t _ls_arg, * ls_arg = &_ls_arg;
- vnet_lisp_add_del_mapping_args_t _m_args, * m_args = &_m_args;
- pending_map_request_t * pmr;
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+ vlib_buffer_t *b = arg;
+ u32 len = 0, i, ttl, dst_map_index = 0;
+ void *h;
+ pending_map_request_t *pmr;
locator_t probed;
- map_reply_hdr_t * mrep_hdr;
- u64 nonce;
- u32 dst_map_index, mi;
- uword * pmr_index;
+ map_reply_hdr_t *mrep_hdr;
+ u64 nonce, *noncep;
+ gid_address_t deid;
+ uword *pmr_index;
+ u8 authoritative, action;
+ locator_t *locators = 0, *loc;
mrep_hdr = vlib_buffer_get_current (b);
+ lisp_pending_map_request_lock (lcm);
+
/* Check pending requests table and nonce */
- nonce = MREP_NONCE(mrep_hdr);
- pmr_index = hash_get(lcm->pending_map_requests_by_nonce, nonce);
+ nonce = MREP_NONCE (mrep_hdr);
+ pmr_index = hash_get (lcm->pending_map_requests_by_nonce, nonce);
if (!pmr_index)
{
- clib_warning("No pending map-request entry with nonce %lu!", nonce);
- return;
+ clib_warning ("No pending map-request entry with nonce %lu!", nonce);
+ goto done;
}
- pmr = pool_elt_at_index(lcm->pending_map_requests_pool, pmr_index[0]);
+ pmr = pool_elt_at_index (lcm->pending_map_requests_pool, pmr_index[0]);
- vlib_buffer_pull (b, sizeof(*mrep_hdr));
+ vlib_buffer_pull (b, sizeof (*mrep_hdr));
- for (i = 0; i < MREP_REC_COUNT(mrep_hdr); i++)
+ for (i = 0; i < MREP_REC_COUNT (mrep_hdr); i++)
{
- memset (ls_arg, 0, sizeof(*ls_arg));
- memset (m_args, 0, sizeof(*m_args));
-
h = vlib_buffer_get_current (b);
- m_args->ttl = clib_net_to_host_u32 (MAP_REC_TTL(h));
- m_args->action = MAP_REC_ACTION(h);
- m_args->authoritative = MAP_REC_AUTH(h);
+ ttl = clib_net_to_host_u32 (MAP_REC_TTL (h));
+ action = MAP_REC_ACTION (h);
+ authoritative = MAP_REC_AUTH (h);
- len = lisp_msg_parse_mapping_record (b, &m_args->deid, &ls_arg->locators,
- &probed);
+ len = lisp_msg_parse_mapping_record (b, &deid, &locators, &probed);
if (len == ~0)
- {
- clib_warning ("Failed to parse mapping record!");
- vec_free(ls_arg->locators);
- return;
- }
-
- mi = gid_dictionary_lookup (&lcm->mapping_index_by_gid, &m_args->deid);
-
- /* if mapping already exists, decide if locators (and forwarding) should
- * be updated and be done */
- if (mi != ~0)
- {
- 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;
- old_map->authoritative = m_args->authoritative;
- old_map->ttl = m_args->ttl;
-
- old_ls = pool_elt_at_index(lcm->locator_set_pool,
- old_map->locator_set_index);
- /* if the two locators are not equal, update them and forwarding
- * otherwise there's nothing to be done */
- if (compare_locators (lcm, old_ls->locator_indices, ls_arg->locators))
- {
- /* set locator-set index to overwrite */
- ls_arg->is_add = 1;
- ls_arg->index = old_map->locator_set_index;
- vnet_lisp_add_del_locator_set (ls_arg, 0);
- add_fwd_entry (lcm, pmr->src_mapping_index, mi);
- }
- }
- /* new mapping */
- else
- {
- /* add locator-set */
- ls_arg->is_add = 1;
- ls_arg->index = ~0;
- vnet_lisp_add_del_locator_set (ls_arg, &ls_index);
-
- /* add mapping */
- m_args->is_add = 1;
- m_args->locator_set_index = ls_index;
- vnet_lisp_add_del_mapping (m_args, &dst_map_index);
-
- /* add forwarding tunnel */
- add_fwd_entry (lcm, pmr->src_mapping_index, dst_map_index);
- }
- vec_free(ls_arg->locators);
+ {
+ clib_warning ("Failed to parse mapping record!");
+ vec_foreach (loc, locators)
+ {
+ locator_free (loc);
+ }
+ vec_free (locators);
+ goto done;
+ }
+
+ /* insert/update mappings cache */
+ vnet_lisp_add_del_mapping (&deid, locators, action, authoritative, ttl,
+ 1, 0 /* is_static */ , &dst_map_index);
+
+ /* try to program forwarding only if mapping saved or updated */
+ if ((u32) ~ 0 != dst_map_index)
+ lisp_add_del_adjacency (lcm, &pmr->src, &deid, 1);
+
+ vec_free (locators);
}
/* remove pending map request entry */
- hash_unset(lcm->pending_map_requests_by_nonce, nonce);
- pool_put(lcm->pending_map_requests_pool, pmr);
+
+ /* *INDENT-OFF* */
+ clib_fifo_foreach (noncep, pmr->nonces, ({
+ hash_unset(lcm->pending_map_requests_by_nonce, noncep[0]);
+ }));
+ /* *INDENT-ON* */
+
+ clib_fifo_free (pmr->nonces);
+ pool_put (lcm->pending_map_requests_pool, pmr);
+
+done:
+ lisp_pending_map_request_unlock (lcm);
+ return 0;
}
void
-process_map_request (vlib_main_t * vm, lisp_cp_main_t * lcm, vlib_buffer_t * b)
+process_map_request (vlib_main_t * vm, lisp_cp_main_t * lcm,
+ vlib_buffer_t * b)
{
- map_request_hdr_t * mreq_hdr;
+ map_request_hdr_t *mreq_hdr;
gid_address_t src, dst;
// u64 nonce;
u32 i, len = 0;
- gid_address_t * itr_rlocs = 0;
+ gid_address_t *itr_rlocs = 0, *rloc;
mreq_hdr = vlib_buffer_get_current (b);
- vlib_buffer_pull (b, sizeof(*mreq_hdr));
+ vlib_buffer_pull (b, sizeof (*mreq_hdr));
// nonce = MREQ_NONCE(mreq_hdr);
- if (!MREQ_SMR(mreq_hdr)) {
- clib_warning("Only SMR Map-Requests supported for now!");
+ if (!MREQ_SMR (mreq_hdr))
+ {
+ clib_warning ("Only SMR Map-Requests supported for now!");
return;
- }
+ }
/* parse src eid */
len = lisp_msg_parse_addr (b, &src);
return;
/* for now we don't do anything with the itr's rlocs */
- len = lisp_msg_parse_itr_rlocs (b, &itr_rlocs, MREQ_ITR_RLOC_COUNT(mreq_hdr) + 1);
+ len =
+ lisp_msg_parse_itr_rlocs (b, &itr_rlocs,
+ MREQ_ITR_RLOC_COUNT (mreq_hdr) + 1);
if (len == ~0)
return;
+ /* TODO: RLOCs are currently unused, so free them for now */
+ vec_foreach (rloc, itr_rlocs)
+ {
+ gid_address_free (rloc);
+ }
+
/* parse eid records and send SMR-invoked map-requests */
- for (i = 0; i < MREQ_REC_COUNT(mreq_hdr); i++)
+ for (i = 0; i < MREQ_REC_COUNT (mreq_hdr); i++)
{
- memset(&dst, 0, sizeof(dst));
+ memset (&dst, 0, sizeof (dst));
len = lisp_msg_parse_eid_rec (b, &dst);
if (len == ~0)
- {
- clib_warning("Can't parse map-request EID-record");
- return;
- }
+ {
+ clib_warning ("Can't parse map-request EID-record");
+ return;
+ }
/* send SMR-invoked map-requests */
- send_encapsulated_map_request (vm, lcm, &dst, &src, /* invoked */ 1);
+ queue_map_request (&dst, &src, 1 /* invoked */ , 0 /* resend */ );
}
}
+static void
+queue_map_reply (vlib_buffer_t * b)
+{
+ vlib_buffer_t *a = clib_mem_alloc (sizeof (a[0]) + b->current_length);
+
+ clib_memcpy (a->data, b->data + b->current_data, b->current_length);
+ a->current_length = b->current_length;
+ a->current_data = 0;
+
+ vl_api_rpc_call_main_thread (process_map_reply, (u8 *) a, sizeof (a[0])
+ + a->current_length);
+ clib_mem_free (a);
+}
+
static uword
lisp_cp_input (vlib_main_t * vm, vlib_node_runtime_t * node,
- vlib_frame_t * from_frame)
+ vlib_frame_t * from_frame)
{
- u32 n_left_from, * from, * to_next_drop;
+ u32 n_left_from, *from, *to_next_drop;
lisp_msg_type_e type;
- lisp_cp_main_t * lcm = vnet_lisp_cp_get_main();
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
from = vlib_frame_vector_args (from_frame);
n_left_from = from_frame->n_vectors;
u32 n_left_to_next_drop;
vlib_get_next_frame (vm, node, LISP_CP_INPUT_NEXT_DROP,
- to_next_drop, n_left_to_next_drop);
+ to_next_drop, n_left_to_next_drop);
while (n_left_from > 0 && n_left_to_next_drop > 0)
- {
- u32 bi0;
- vlib_buffer_t * b0;
-
- bi0 = from[0];
- from += 1;
- n_left_from -= 1;
- to_next_drop[0] = bi0;
- to_next_drop += 1;
- n_left_to_next_drop -= 1;
-
- b0 = vlib_get_buffer (vm, bi0);
-
- type = lisp_msg_type(vlib_buffer_get_current (b0));
- switch (type)
- {
- case LISP_MAP_REPLY:
- process_map_reply (lcm, b0);
- break;
- case LISP_MAP_REQUEST:
- process_map_request(vm, lcm, b0);
- break;
- default:
- clib_warning("Unsupported LISP message type %d", type);
- break;
- }
-
- b0->error = node->errors[LISP_CP_INPUT_ERROR_DROP];
-
- if (PREDICT_FALSE(b0->flags & VLIB_BUFFER_IS_TRACED))
- {
-
- }
- }
-
- vlib_put_next_frame (vm, node, LISP_CP_INPUT_NEXT_DROP, n_left_to_next_drop);
+ {
+ u32 bi0;
+ vlib_buffer_t *b0;
+
+ bi0 = from[0];
+ from += 1;
+ n_left_from -= 1;
+ to_next_drop[0] = bi0;
+ to_next_drop += 1;
+ n_left_to_next_drop -= 1;
+
+ b0 = vlib_get_buffer (vm, bi0);
+
+ type = lisp_msg_type (vlib_buffer_get_current (b0));
+ switch (type)
+ {
+ case LISP_MAP_REPLY:
+ queue_map_reply (b0);
+ break;
+ case LISP_MAP_REQUEST:
+ process_map_request (vm, lcm, b0);
+ break;
+ default:
+ clib_warning ("Unsupported LISP message type %d", type);
+ break;
+ }
+
+ b0->error = node->errors[LISP_CP_INPUT_ERROR_DROP];
+
+ if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))
+ {
+
+ }
+ }
+
+ vlib_put_next_frame (vm, node, LISP_CP_INPUT_NEXT_DROP,
+ n_left_to_next_drop);
}
return from_frame->n_vectors;
}
+/* *INDENT-OFF* */
VLIB_REGISTER_NODE (lisp_cp_input_node) = {
.function = lisp_cp_input,
.name = "lisp-cp-input",
[LISP_CP_INPUT_NEXT_DROP] = "error-drop",
},
};
+/* *INDENT-ON* */
clib_error_t *
-lisp_cp_init (vlib_main_t *vm)
+lisp_cp_init (vlib_main_t * vm)
{
- lisp_cp_main_t * lcm = vnet_lisp_cp_get_main();
- clib_error_t * error = 0;
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+ clib_error_t *error = 0;
if ((error = vlib_call_init_function (vm, lisp_gpe_init)))
return error;
lcm->im4 = &ip4_main;
lcm->im6 = &ip6_main;
lcm->vlib_main = vm;
- lcm->vnet_main = vnet_get_main();
+ lcm->vnet_main = vnet_get_main ();
+ lcm->mreq_itr_rlocs = ~0;
+ lcm->lisp_pitr = 0;
+ memset (&lcm->active_map_resolver, 0, sizeof (lcm->active_map_resolver));
+ lcm->pending_map_request_lock =
+ clib_mem_alloc_aligned (CLIB_CACHE_LINE_BYTES, CLIB_CACHE_LINE_BYTES);
+
+ lcm->pending_map_request_lock[0] = 0;
gid_dictionary_init (&lcm->mapping_index_by_gid);
- gid_dictionary_init (&lcm->mapping_index_by_gid);
+ lcm->do_map_resolver_election = 1;
+ lcm->map_request_mode = MR_MODE_DST_ONLY;
+
+ /* default vrf mapped to vni 0 */
+ hash_set (lcm->table_id_by_vni, 0, 0);
+ hash_set (lcm->vni_by_table_id, 0, 0);
udp_register_dst_port (vm, UDP_DST_PORT_lisp_cp,
- lisp_cp_input_node.index, 1 /* is_ip4 */);
+ lisp_cp_input_node.index, 1 /* is_ip4 */ );
udp_register_dst_port (vm, UDP_DST_PORT_lisp_cp6,
- lisp_cp_input_node.index, 0 /* is_ip4 */);
+ lisp_cp_input_node.index, 0 /* is_ip4 */ );
+
+ return 0;
+}
+
+static void *
+send_map_request_thread_fn (void *arg)
+{
+ map_request_args_t *a = arg;
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+
+ if (a->is_resend)
+ /* if resending, we already have the lock */
+ resend_encapsulated_map_request (lcm, &a->seid, &a->deid, a->smr_invoked);
+ else
+ {
+ /* get lock before sending map-request */
+ lisp_pending_map_request_lock (lcm);
+ send_encapsulated_map_request (lcm, &a->seid, &a->deid, a->smr_invoked);
+ lisp_pending_map_request_unlock (lcm);
+ }
+
+
+ return 0;
+}
+
+static int
+queue_map_request (gid_address_t * seid, gid_address_t * deid,
+ u8 smr_invoked, u8 is_resend)
+{
+ map_request_args_t a;
+
+ a.is_resend = is_resend;
+ gid_address_copy (&a.seid, seid);
+ gid_address_copy (&a.deid, deid);
+ a.smr_invoked = smr_invoked;
+
+ vl_api_rpc_call_main_thread (send_map_request_thread_fn,
+ (u8 *) & a, sizeof (a));
+ return 0;
+}
+
+/**
+ * Take an action with a pending map request depending on expiration time
+ * and re-try counters.
+ */
+static void
+update_pending_request (pending_map_request_t * r, f64 dt)
+{
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+ map_resolver_t *mr;
+
+ if (r->time_to_expire - dt < 0)
+ /* it's time to decide what to do with this pending request */
+ {
+ if (r->retries_num >= NUMBER_OF_RETRIES)
+ /* too many retries -> assume current map resolver is not available */
+ {
+ mr = get_map_resolver (&lcm->active_map_resolver);
+ if (!mr)
+ {
+ clib_warning ("Map resolver %U not found - probably deleted "
+ "by the user recently.", format_ip_address,
+ &lcm->active_map_resolver);
+ }
+ else
+ {
+ clib_warning ("map resolver %U is unreachable, ignoring",
+ format_ip_address, &lcm->active_map_resolver);
+
+ /* mark current map resolver unavailable so it won't be
+ * selected next time */
+ mr->is_down = 1;
+ mr->last_update = vlib_time_now (lcm->vlib_main);
+ }
+
+ reset_pending_mr_counters (r);
+ elect_map_resolver (lcm);
+
+ /* try to find a next eligible map resolver and re-send */
+ queue_map_request (&r->src, &r->dst, r->is_smr_invoked,
+ 1 /* resend */ );
+ }
+ else
+ {
+ /* try again */
+ queue_map_request (&r->src, &r->dst, r->is_smr_invoked,
+ 1 /* resend */ );
+ r->retries_num++;
+ r->time_to_expire = PENDING_MREQ_EXPIRATION_TIME;
+ }
+ }
+ else
+ r->time_to_expire -= dt;
+}
+static void
+remove_dead_pending_map_requests (lisp_cp_main_t * lcm)
+{
+ u64 *nonce;
+ pending_map_request_t *pmr;
+ u32 *to_be_removed = 0, *pmr_index;
+
+ ASSERT (*lcm->pending_map_request_lock);
+
+ /* *INDENT-OFF* */
+ pool_foreach (pmr, lcm->pending_map_requests_pool,
+ ({
+ if (pmr->to_be_removed)
+ {
+ clib_fifo_foreach (nonce, pmr->nonces, ({
+ hash_unset (lcm->pending_map_requests_by_nonce, nonce[0]);
+ }));
+
+ vec_add1 (to_be_removed, pmr - lcm->pending_map_requests_pool);
+ }
+ }));
+ /* *INDENT-ON* */
+
+ vec_foreach (pmr_index, to_be_removed)
+ pool_put_index (lcm->pending_map_requests_by_nonce, pmr_index[0]);
+
+ vec_free (to_be_removed);
+}
+
+static uword
+send_map_resolver_service (vlib_main_t * vm,
+ vlib_node_runtime_t * rt, vlib_frame_t * f)
+{
+ f64 period = 2.0;
+ pending_map_request_t *pmr;
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+
+ while (1)
+ {
+ vlib_process_wait_for_event_or_clock (vm, period);
+
+ /* currently no signals are expected - just wait for clock */
+ (void) vlib_process_get_events (vm, 0);
+
+ lisp_pending_map_request_lock (lcm);
+
+ /* *INDENT-OFF* */
+ pool_foreach (pmr, lcm->pending_map_requests_pool,
+ ({
+ if (!pmr->to_be_removed)
+ update_pending_request (pmr, period);
+ }));
+ /* *INDENT-ON* */
+
+ remove_dead_pending_map_requests (lcm);
+
+ lisp_pending_map_request_unlock (lcm);
+ }
+
+ /* unreachable */
return 0;
}
-VLIB_INIT_FUNCTION(lisp_cp_init);
+/* *INDENT-OFF* */
+VLIB_REGISTER_NODE (lisp_retry_service_node,static) = {
+ .function = send_map_resolver_service,
+ .type = VLIB_NODE_TYPE_PROCESS,
+ .name = "lisp-retry-service",
+ .process_log2_n_stack_bytes = 16,
+};
+/* *INDENT-ON* */
+
+VLIB_INIT_FUNCTION (lisp_cp_init);
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
Code Review / vpp.git / blobdiff