#include <vnet/lisp-cp/lisp_msg_serdes.h>
#include <vnet/lisp-gpe/lisp_gpe.h>
+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;
+}
+
+static u32
+ip_fib_lookup_with_table (lisp_cp_main_t * lcm, u32 fib_index,
+ ip_address_t * dst)
+{
+ 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));
+}
+
+u32
+ip_fib_get_egress_iface_for_dst_with_lm (lisp_cp_main_t * lcm,
+ ip_address_t * dst,
+ ip_lookup_main_t * lm)
+{
+ u32 adj_index;
+ ip_adjacency_t * adj;
+
+ adj_index = ip_fib_lookup_with_table (lcm, 0, dst);
+ adj = ip_get_adjacency (lm, adj_index);
+
+ if (adj == 0)
+ return ~0;
+
+ /* we only want outgoing routes */
+ if (adj->lookup_next_index != IP_LOOKUP_NEXT_ARP
+ && adj->lookup_next_index != IP_LOOKUP_NEXT_REWRITE)
+ return ~0;
+
+ return adj->rewrite_header.sw_if_index;
+}
+
+/**
+ * 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)
+{
+ ip_lookup_main_t * lm;
+
+ lm = ip_addr_version (dst) == IP4 ?
+ &lcm->im4->lookup_main : &lcm->im6->lookup_main;
+
+ return ip_fib_get_egress_iface_for_dst_with_lm (lcm, dst, lm);
+}
+
+/**
+ * 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_with_lm (lcm, dst, lm);
+
+ 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_add)
+{
+ uword * table_id, * intf;
+ vnet_lisp_gpe_add_del_iface_args_t _ai, *ai = &_ai;
+
+ table_id = hash_get(lcm->table_id_by_vni, vni);
+
+ if (!table_id)
+ {
+ clib_warning ("vni %d not associated to a vrf!", vni);
+ return VNET_API_ERROR_INVALID_VALUE;
+ }
+
+ intf = hash_get(lcm->dp_intf_by_vni, vni);
+
+ /* enable/disable data-plane interface */
+ if (is_add)
+ {
+ /* create interface */
+ if (!intf)
+ {
+ ai->is_add = 1;
+ ai->vni = vni;
+ ai->table_id = table_id[0];
+ vnet_lisp_gpe_add_del_iface (ai, 0);
+
+ /* keep track of vnis for which interfaces have been created */
+ hash_set(lcm->dp_intf_by_vni, vni, 1);
+ }
+ }
+ else
+ {
+ if (intf == 0)
+ {
+ clib_warning("interface for vni %d doesn't exist!", vni);
+ return VNET_API_ERROR_INVALID_VALUE;
+ }
+
+ ai->is_add = 0;
+ ai->vni = vni;
+ ai->table_id = table_id[0];
+ vnet_lisp_gpe_add_del_iface (ai, 0);
+ hash_unset(lcm->dp_intf_by_vni, 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->dlocator = fe->dst_loc;
+ a->slocator = fe->src_loc;
+ a->vni = gid_address_vni(&a->deid);
+ 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);
+}
+
+/**
+ * Finds first remote locator with best (lowest) priority that has a local
+ * peer locator with an underlying route to it.
+ *
+ */
+static u32
+get_locator_pair (lisp_cp_main_t* lcm, mapping_t * lcl_map, mapping_t * rmt_map,
+ ip_address_t * lcl_loc, ip_address_t * rmt_loc)
+{
+ u32 i, minp = ~0, limitp = 0, li, check_index = 0, done = 0, esi;
+ locator_set_t * rmt_ls, * lcl_ls;
+ ip_address_t _lcl, * lcl = &_lcl;
+ locator_t * l, * rmt = 0;
+ uword * checked = 0;
+
+ 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 (!done)
+ {
+ 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);
+ l = pool_elt_at_index(lcm->locator_pool, li);
+
+ /* we don't support non-IP locators for now */
+ if (gid_address_type(&l->address) != GID_ADDR_IP_PREFIX)
+ continue;
+
+ if (l->priority < minp && l->priority >= limitp)
+ {
+ minp = l->priority;
+ rmt = l;
+ check_index = i;
+ }
+ }
+ /* check if a local locator with a route to remote locator exists */
+ if (rmt != 0)
+ {
+ 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 */
+ if (sl->sw_if_index == esi)
+ {
+ if (0 == ip_interface_get_first_ip_address (lcm,
+ sl->sw_if_index,
+ gid_address_ip_version(&rmt->address), lcl))
+ continue;
+
+ ip_address_copy(rmt_loc, &gid_address_ip(&rmt->address));
+ ip_address_copy(lcl_loc, lcl);
+ done = 2;
+ }
+ }
+
+ /* skip this remote locator in next searches */
+ limitp = minp;
+ hash_set(checked, check_index, 1);
+ }
+ else
+ done = 1;
+ }
+ hash_free(checked);
+ return (done == 2) ? 1 : 0;
+}
+
static void
-add_fwd_entry (lisp_cp_main_t* lcm, u32 src_map_index, u32 dst_map_index);
+dp_add_fwd_entry (lisp_cp_main_t* lcm, u32 src_map_index, u32 dst_map_index)
+{
+ mapping_t * src_map, * dst_map;
+ u32 sw_if_index;
+ uword * feip = 0, * tidp;
+ fwd_entry_t* fe;
+ 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)
+ dp_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);
+
+ gid_address_copy (&a->deid, &dst_map->eid);
+ a->vni = gid_address_vni(&a->deid);
+
+ tidp = hash_get(lcm->table_id_by_vni, a->vni);
+ if (!tidp)
+ {
+ clib_warning("vni %d not associated to a vrf!", a->vni);
+ return;
+ }
+ a->table_id = tidp[0];
-/* Stores mapping in map-cache. It does NOT program data plane forwarding for
- * remote/learned mappings. */
+ /* insert data plane forwarding entry */
+ a->is_add = 1;
+
+ /* find best locator pair that 1) verifies LISP policy 2) are connected */
+ if (0 == get_locator_pair (lcm, src_map, dst_map, &a->slocator, &a->dlocator))
+ {
+ /* negative entry */
+ a->is_negative = 1;
+ a->action = dst_map->action;
+ }
+
+ /* TODO remove */
+ 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;
+
+ 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->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);
+}
+
+/**
+ * Add/remove mapping to/from map-cache. Overwriting not allowed.
+ */
int
-vnet_lisp_add_del_mapping (vnet_lisp_add_del_mapping_args_t * a,
- u32 * map_index_result)
+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;
+ mapping_t * m, * old_map;
u32 ** eid_indexes;
- mi = gid_dictionary_lookup (&lcm->mapping_index_by_gid, &a->deid);
+ 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)
+ if (mi != GID_LOOKUP_MISS && !gid_address_cmp (&old_map->eid,
+ &a->eid))
{
- clib_warning("eid %U found in the eid-table", format_ip_address,
- &a->deid);
+ 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);
- m->eid = a->deid;
+ 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;
map_index = m - lcm->mapping_pool;
- gid_dictionary_add_del (&lcm->mapping_index_by_gid, &a->deid, map_index,
+ 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))
{
if (mi == GID_LOOKUP_MISS)
{
- clib_warning("eid %U not found in the eid-table", format_ip_address,
- &a->deid);
+ clib_warning("eid %U not found in the eid-table", format_gid_address,
+ &a->eid);
return VNET_API_ERROR_INVALID_VALUE;
}
}
vec_del1(lcm->local_mappings_indexes, k);
}
- else
- {
- /* remove tunnel ??? */
- }
/* remove mapping from dictionary */
- gid_dictionary_add_del (&lcm->mapping_index_by_gid, &a->deid, 0, 0);
+ 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;
}
-/* Stores mapping in map-cache and programs data plane for local mappings. */
+/**
+ * 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 * table_id, * refc;
- u32 rv, vni;
- vnet_lisp_gpe_add_del_iface_args_t _ai, *ai = &_ai;
- lisp_cp_main_t * lcm = vnet_lisp_cp_get_main ();
+ uword * table_id;
+ u32 vni;
- vni = gid_address_vni(&a->deid);
+ lisp_cp_main_t * lcm = vnet_lisp_cp_get_main ();
- /* store/remove mapping from map-cache */
- rv = vnet_lisp_add_del_mapping (a, map_index_result);
- if (rv)
- return rv;
+ if (vnet_lisp_enable_disable_status () == 0)
+ {
+ clib_warning ("LISP is disabled!");
+ return VNET_API_ERROR_LISP_DISABLED;
+ }
+ vni = gid_address_vni(&a->eid);
table_id = hash_get(lcm->table_id_by_vni, vni);
if (!table_id)
return VNET_API_ERROR_INVALID_VALUE;
}
- refc = hash_get(lcm->dp_if_refcount_by_vni, vni);
-
- /* enable/disable data-plane interface */
- if (a->is_add)
- {
- /* create interface or update refcount */
- if (!refc)
- {
- ai->is_add = 1;
- ai->vni = vni;
- ai->table_id = table_id[0];
- vnet_lisp_gpe_add_del_iface (ai, 0);
-
- /* counts the number of eids in a vni that use the interface */
- hash_set(lcm->dp_if_refcount_by_vni, vni, 1);
- }
- else
- {
- refc[0]++;
- }
- }
- else
- {
- /* since this is a remove for an existing eid, the iface should exist */
- ASSERT(refc != 0);
- refc[0]--;
-
- /* remove iface if needed */
- if (refc[0] == 0)
- {
- ai->is_add = 0;
- ai->vni = vni;
- ai->table_id = table_id[0];
- vnet_lisp_gpe_add_del_iface (ai, 0);
- }
- }
-
- return rv;
+ /* store/remove mapping from map-cache */
+ return vnet_lisp_map_cache_add_del (a, map_index_result);
}
static clib_error_t *
u8 is_add = 1;
gid_address_t eid;
ip_prefix_t * prefp = &gid_address_ippref(&eid);
+ u8 * mac = gid_address_mac(&eid);
gid_address_t * eids = 0;
clib_error_t * error = 0;
- u8 * locator_set_name;
+ u8 * locator_set_name = 0;
u32 locator_set_index = 0, map_index = 0;
uword * p;
vnet_lisp_add_del_mapping_args_t _a, * a = &_a;
+ int rv = 0;
+ u32 vni = 0;
- gid_address_type (&eid) = GID_ADDR_IP_PREFIX;
-
+ memset (&eid, 0, sizeof (eid));
/* Get a line of input. */
if (! unformat_user (input, unformat_line_input, line_input))
return 0;
is_add = 1;
else if (unformat (line_input, "del"))
is_add = 0;
+ else if (unformat (line_input, "vni %d", &vni))
+ gid_address_vni (&eid) = vni;
else if (unformat (line_input, "eid %U", unformat_ip_prefix, prefp))
{
+ gid_address_type (&eid) = GID_ADDR_IP_PREFIX;
+ vec_add1(eids, eid);
+ }
+ else if (unformat (line_input, "eid %U", unformat_mac_address, mac))
+ {
+ gid_address_type (&eid) = GID_ADDR_MAC;
vec_add1(eids, eid);
}
else if (unformat (line_input, "locator-set %_%v%_", &locator_set_name))
goto done;
}
}
-
/* XXX treat batch configuration */
- a->deid = eid;
+
+ a->eid = eid;
a->is_add = is_add;
a->locator_set_index = locator_set_index;
a->local = 1;
- vnet_lisp_add_del_local_mapping (a, &map_index);
+ 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;
}
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>",
+ .short_help = "lisp eid-table add/del [vni <vni>] eid <eid> "
+ "locator-set <locator-set>",
.function = lisp_add_del_local_eid_command_fn,
};
+int
+vnet_lisp_eid_table_map (u32 vni, u32 vrf, u8 is_add)
+{
+ lisp_cp_main_t * lcm = vnet_lisp_cp_get_main ();
+ uword * table_id, * vnip;
+
+ if (vnet_lisp_enable_disable_status () == 0)
+ {
+ clib_warning ("LISP is disabled!");
+ return -1;
+ }
+
+ if (vni == 0 || vrf == 0)
+ {
+ clib_warning ("can't add/del default vni-vrf mapping!");
+ return -1;
+ }
+
+ table_id = hash_get (lcm->table_id_by_vni, vni);
+ vnip = hash_get (lcm->vni_by_table_id, vrf);
+
+ if (is_add)
+ {
+ if (table_id || vnip)
+ {
+ clib_warning ("vni %d or vrf %d already used in any vrf/vni "
+ "mapping!", vni, vrf);
+ return -1;
+ }
+ hash_set (lcm->table_id_by_vni, vni, vrf);
+ hash_set (lcm->vni_by_table_id, vrf, vni);
+
+ /* create dp iface */
+ dp_add_del_iface (lcm, vni, 1);
+ }
+ else
+ {
+ if (!table_id || !vnip)
+ {
+ clib_warning ("vni %d or vrf %d not used in any vrf/vni! "
+ "mapping!", vni, vrf);
+ return -1;
+ }
+ hash_unset (lcm->table_id_by_vni, vni);
+ hash_unset (lcm->vni_by_table_id, vrf);
+
+ /* remove dp iface */
+ dp_add_del_iface (lcm, vni, 0);
+ }
+ return 0;
+}
+
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_eid_table_map_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;
+ u8 is_add = 1;
+ u32 vni = 0, vrf = 0;
+ unformat_input_t _line_input, * line_input = &_line_input;
- 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);
- }));
+ /* 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", &vrf))
+ ;
+ else
+ {
+ return unformat_parse_error (line_input);
+ }
+ }
+ vnet_lisp_eid_table_map (vni, vrf, is_add);
return 0;
}
-VLIB_CLI_COMMAND (lisp_cp_show_local_eid_table_command) = {
- .path = "show lisp eid-table",
- .short_help = "Shows local EID table",
- .function = lisp_show_local_eid_table_command_fn,
+VLIB_CLI_COMMAND (lisp_eid_table_map_command) = {
+ .path = "lisp eid-table map",
+ .short_help = "lisp eid-table map [del] vni <vni> vrf <vrf>",
+ .function = lisp_eid_table_map_command_fn,
};
-/* 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)
+
+/* 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, 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, 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++)
{
- 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;
- }
+ old_li = vec_elt(old_ls_indexes, i);
+ old_loc = pool_elt_at_index(lcm->locator_pool, old_li);
- /* delete index for removed locator-set*/
- vec_del1(ls_indexes[0], j);
+ new_loc = vec_elt_at_index(new_locators, i);
- /* 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]);
+ if (locator_cmp (old_loc, new_loc))
+ return 1;
}
+ return 0;
}
+
+/**
+ * Adds/removes/updates mapping. Does not program forwarding.
+ *
+ * @param deid destination EID
+ * @param rlocs vector of remote locators
+ * @param action action for negative map-reply
+ * @param is_add add mapping if non-zero, delete otherwise
+ * @return return code
+ */
int
-vnet_lisp_add_del_locator_set (vnet_lisp_add_del_locator_set_args_t * a,
- u32 * ls_result)
+vnet_lisp_add_del_mapping (gid_address_t * deid, locator_t * rlocs, u8 action,
+ u8 authoritative, u32 ttl, u8 is_add,
+ u32 * res_map_index)
{
- 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;
- u32 **eid_indexes;
+ 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 (a->is_add)
+ if (vnet_lisp_enable_disable_status() == 0)
{
- /* check if overwrite */
- if (a->local)
- p = hash_get_mem(lcm->locator_set_index_by_name, a->name);
- else
- *p = a->index;
+ clib_warning ("LISP is disabled!");
+ return VNET_API_ERROR_LISP_DISABLED;
+ }
- /* 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;
- }
+ if (res_map_index)
+ res_map_index[0] = ~0;
- /* 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]);
+ memset (m_args, 0, sizeof (m_args[0]));
+ memset (ls_args, 0, sizeof (ls_args[0]));
- /* remove locator indices from locator set */
- vec_free(ls->locator_indices);
+ ls_args->locators = rlocs;
- ls_index = p[0];
+ mi = gid_dictionary_lookup (&lcm->mapping_index_by_gid, deid);
+ old_map = ((u32) ~0 != mi) ? pool_elt_at_index(lcm->mapping_pool, mi) : 0;
- if (ls_result)
- ls_result[0] = p[0];
- }
- /* new locator-set */
- else
+ 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, deid) == 0)
{
- pool_get(lcm->locator_set_pool, ls);
- ls_index = ls - lcm->locator_set_pool;
-
- if (a->local)
- {
- ls->name = vec_dup(a->name);
+ locator_set_t * old_ls;
- 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);
+ /* update mapping attributes */
+ old_map->action = action;
+ old_map->authoritative = authoritative;
+ old_map->ttl = ttl;
- /* mark as local locator-set */
- vec_add1(lcm->local_locator_set_indexes, ls_index);
+ 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;
}
- ls->local = a->local;
- if (ls_result)
- ls_result[0] = ls_index;
}
-
- /* allocate locators */
- vec_foreach (itloc, a->locators)
+ /* new mapping */
+ else
{
- pool_get(lcm->locator_pool, loc);
- loc[0] = itloc[0];
- loc_index = loc - lcm->locator_pool;
+ ls_args->is_add = 1;
+ ls_args->index = ~0;
- vec_add1(ls->locator_indices, loc_index);
+ vnet_lisp_add_del_locator_set (ls_args, &ls_index);
+
+ /* add mapping */
+ gid_address_copy (&m_args->eid, deid);
+ m_args->is_add = 1;
+ m_args->action = action;
+ m_args->locator_set_index = ls_index;
+ vnet_lisp_map_cache_add_del (m_args, &dst_map_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);
+ if (res_map_index)
+ res_map_index[0] = dst_map_index;
}
}
else
{
- /* find locator-set */
- if (a->local)
+ if (old_map == 0 || gid_address_cmp (&old_map->eid, deid) != 0)
{
- 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;
- }
+ clib_warning("cannot delete mapping for eid %U", format_gid_address,
+ deid);
+ return -1;
}
- else
- *p = a->index;
- ls = pool_elt_at_index(lcm->locator_set_pool, p[0]);
- if (!ls)
+ m_args->is_add = 0;
+ gid_address_copy (&m_args->eid, deid);
+ 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 */
+ 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;
+
+ pool_foreach_index (mi, lcm->mapping_pool,
+ ({
+ vec_add1 (map_indices, mi);
+ }));
+
+ vec_foreach (map_indexp, map_indices)
+ {
+ mapping_t * map = pool_elt_at_index (lcm->mapping_pool, map_indexp[0]);
+ if (!map->local)
{
- clib_warning("locator-set with index %d doesn't exists", p[0]);
- return -1;
+ 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;
}
-// /* 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;
- }
- }
+cleanup:
+ if (map_indices)
+ vec_free (map_indices);
+ return rv;
+}
- /* clean locator to locator-sets data */
- clean_locator_to_locator_set (lcm, p[0]);
+/**
+ * Adds remote mapping and sets it as adjacency for local eid 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,
+ vnet_lisp_add_del_adjacency_args_t * a)
+{
+ u32 src_map_index, dst_map_index = ~0;
- if (ls->local)
+ if (vnet_lisp_enable_disable_status () == 0)
+ {
+ clib_warning ("LISP is disabled!");
+ return VNET_API_ERROR_LISP_DISABLED;
+ }
+
+ /* insert/update mappings cache */
+ vnet_lisp_add_del_mapping (&a->deid, a->locators, a->action,
+ a->authoritative, a->ttl, a->is_add,
+ &dst_map_index);
+
+ if (a->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 */
+ src_map_index = lcm->lisp_pitr ? lcm->pitr_map_index :
+ gid_dictionary_lookup (&lcm->mapping_index_by_gid, &a->seid);
+
+
+ if (GID_LOOKUP_MISS == src_map_index)
{
- u32 it, lsi;
+ clib_warning("seid %U not found. Cannot program forwarding!",
+ format_gid_address, &a->seid);
- 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);
+ return -1;
}
- pool_put(lcm->locator_set_pool, ls);
+
+ /* update forwarding if a destination mapping index was found */
+ if ((u32) ~0 != dst_map_index)
+ dp_add_fwd_entry (lcm, src_map_index, dst_map_index);
}
+ else
+ dp_del_fwd_entry (lcm, 0, dst_map_index);
+
return 0;
}
-static inline
-uword *vnet_lisp_get_locator(vnet_lisp_add_del_locator_set_args_t * a,
- uword *p)
+int
+vnet_lisp_add_del_adjacency (vnet_lisp_add_del_adjacency_args_t * a)
{
- lisp_cp_main_t * lcm = vnet_lisp_cp_get_main();
+ lisp_cp_main_t * lcm = vnet_lisp_cp_get_main ();
+ return lisp_add_del_adjacency(lcm, a);
+}
- ASSERT(a != NULL);
- ASSERT(p != NULL);
+/**
+ * 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;
+ ip_prefix_t * deid_ippref, * seid_ippref;
+ gid_address_t seid, deid;
+ u8 * dmac = gid_address_mac (&deid);
+ u8 * smac = gid_address_mac (&seid);
+ u8 deid_set = 0, seid_set = 0;
+ u8 * s = 0;
+ u32 vni, action = ~0;
+ int rv;
- /* find locator-set */
- if (a->local)
- {
- p = hash_get_mem(lcm->locator_set_index_by_name, a->name);
- }
- else
- {
- *p = a->index;
- }
+ /* Get a line of input. */
+ if (! unformat_user (input, unformat_line_input, line_input))
+ return 0;
+
+ memset(&deid, 0, sizeof(deid));
+ memset(&seid, 0, sizeof(seid));
+ memset(&rloc, 0, sizeof(rloc));
+
+ seid_ippref = &gid_address_ippref(&seid);
+ deid_ippref = &gid_address_ippref(&deid);
+
+ 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, "deid %U",
+ unformat_ip_prefix, deid_ippref))
+ {
+ gid_address_type (&deid) = GID_ADDR_IP_PREFIX;
+ deid_set = 1;
+ }
+ else if (unformat (line_input, "deid %U",
+ unformat_mac_address, dmac))
+ {
+ gid_address_type (&deid) = GID_ADDR_MAC;
+ deid_set = 1;
+ }
+ else if (unformat (line_input, "vni %u", &vni))
+ {
+ gid_address_vni (&seid) = vni;
+ gid_address_vni (&deid) = vni;
+ }
+ else if (unformat (line_input, "seid %U",
+ unformat_ip_prefix, seid_ippref))
+ {
+ gid_address_type (&seid) = GID_ADDR_IP_PREFIX;
+ seid_set = 1;
+ }
+ else if (unformat (line_input, "seid %U",
+ unformat_mac_address, smac))
+ {
+ gid_address_type (&seid) = GID_ADDR_MAC;
+ seid_set = 1;
+ }
+ else if (unformat (line_input, "rloc %U", unformat_ip_address, &rloc.address))
+ vec_add1 (rlocs, rloc);
+ else if (unformat (line_input, "action %s", &s))
+ {
+ if (!strcmp ((char *)s, "no-action"))
+ action = ACTION_NONE;
+ if (!strcmp ((char *)s, "natively-forward"))
+ action = ACTION_NATIVELY_FORWARDED;
+ if (!strcmp ((char *)s, "send-map-request"))
+ action = ACTION_SEND_MAP_REQUEST;
+ else if (!strcmp ((char *)s, "drop"))
+ action = ACTION_DROP;
+ else
+ {
+ clib_warning ("invalid action: '%s'", s);
+ goto done;
+ }
+ }
+ else
+ {
+ clib_warning ("parse error");
+ goto done;
+ }
+ }
+
+ if (!del_all)
+ {
+ if (!deid_set)
+ {
+ clib_warning ("missing deid!");
+ goto done;
+ }
+
+ if (GID_ADDR_IP_PREFIX == gid_address_type (&deid))
+ {
+ /* if seid not set, make sure the ip version is the same as that
+ * of the deid. This ensures the seid to be configured will be
+ * either 0/0 or ::/0 */
+ if (!seid_set)
+ ip_prefix_version(seid_ippref) = ip_prefix_version(deid_ippref);
+
+ if (is_add &&
+ (ip_prefix_version (deid_ippref)
+ != ip_prefix_version(seid_ippref)))
+ {
+ clib_warning ("source and destination EIDs are not"
+ " in the same IP family!");
+ goto done;
+ }
+ }
+
+ if (is_add && (~0 == action)
+ && 0 == vec_len (rlocs))
+ {
+ clib_warning ("no action set for negative map-reply!");
+ goto done;
+ }
+ }
+ 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 ();
+ vnet_lisp_add_del_adjacency_args_t _a, * a = &_a;
+ gid_address_copy(&a->deid, &deid);
+ a->is_add = 0;
+ rv = lisp_add_del_adjacency (lcm, a);
+ }
+ else
+ {
+ /* add as static remote mapping, i.e., not authoritative and infinite
+ * ttl */
+ rv = vnet_lisp_add_del_mapping (&deid, rlocs, action, 0, ~0, is_add, 0);
+ }
+
+ if (rv)
+ clib_warning("failed to %s remote mapping!", is_add ? "add" : "delete");
+
+done:
+ unformat_free (line_input);
+ if (s)
+ vec_free (s);
+ return error;
+}
+
+VLIB_CLI_COMMAND (lisp_add_del_remote_mapping_command) = {
+ .path = "lisp remote-mapping",
+ .short_help = "lisp remote-mapping add|del [del-all] vni <vni>"
+ "deid <dest-eid> seid <src-eid> [action <no-action|natively-forward|"
+ "send-map-request|drop>] rloc <dst-locator> [rloc <dst-locator> ... ]",
+ .function = lisp_add_del_remote_mapping_command_fn,
+};
+
+/**
+ * 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;
+ locator_t rloc, * rlocs = 0;
+ ip_prefix_t * deid_ippref, * seid_ippref;
+ gid_address_t seid, deid;
+ u8 * dmac = gid_address_mac (&deid);
+ u8 * smac = gid_address_mac (&seid);
+ u8 deid_set = 0, seid_set = 0;
+ u8 * s = 0;
+ u32 vni, action = ~0;
+ int rv;
+
+ /* Get a line of input. */
+ if (! unformat_user (input, unformat_line_input, line_input))
+ return 0;
+
+ memset(&deid, 0, sizeof(deid));
+ memset(&seid, 0, sizeof(seid));
+ memset(&rloc, 0, sizeof(rloc));
+
+ seid_ippref = &gid_address_ippref(&seid);
+ deid_ippref = &gid_address_ippref(&deid);
+
+ 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, "deid %U",
+ unformat_ip_prefix, deid_ippref))
+ {
+ gid_address_type (&deid) = GID_ADDR_IP_PREFIX;
+ deid_set = 1;
+ }
+ else if (unformat (line_input, "deid %U",
+ unformat_mac_address, dmac))
+ {
+ gid_address_type (&deid) = GID_ADDR_MAC;
+ deid_set = 1;
+ }
+ else if (unformat (line_input, "vni %u", &vni))
+ {
+ gid_address_vni (&seid) = vni;
+ gid_address_vni (&deid) = vni;
+ }
+ else if (unformat (line_input, "seid %U",
+ unformat_ip_prefix, seid_ippref))
+ {
+ gid_address_type (&seid) = GID_ADDR_IP_PREFIX;
+ seid_set = 1;
+ }
+ else if (unformat (line_input, "seid %U",
+ unformat_mac_address, smac))
+ {
+ gid_address_type (&seid) = GID_ADDR_MAC;
+ seid_set = 1;
+ }
+ else if (unformat (line_input, "rloc %U", unformat_ip_address, &rloc.address))
+ vec_add1 (rlocs, rloc);
+ else if (unformat (line_input, "action %s", &s))
+ {
+ if (!strcmp ((char *)s, "no-action"))
+ action = ACTION_NONE;
+ if (!strcmp ((char *)s, "natively-forward"))
+ action = ACTION_NATIVELY_FORWARDED;
+ if (!strcmp ((char *)s, "send-map-request"))
+ action = ACTION_SEND_MAP_REQUEST;
+ else if (!strcmp ((char *)s, "drop"))
+ action = ACTION_DROP;
+ else
+ {
+ clib_warning ("invalid action: '%s'", s);
+ goto done;
+ }
+ }
+ else
+ {
+ clib_warning ("parse error");
+ goto done;
+ }
+ }
+
+ if (!deid_set)
+ {
+ clib_warning ("missing deid!");
+ goto done;
+ }
+
+ if (GID_ADDR_IP_PREFIX == gid_address_type (&deid))
+ {
+ /* if seid not set, make sure the ip version is the same as that
+ * of the deid. This ensures the seid to be configured will be
+ * either 0/0 or ::/0 */
+ if (!seid_set)
+ ip_prefix_version(seid_ippref) = ip_prefix_version(deid_ippref);
+
+ if (is_add &&
+ (ip_prefix_version (deid_ippref)
+ != ip_prefix_version(seid_ippref)))
+ {
+ clib_warning ("source and destination EIDs are not"
+ " in the same IP family!");
+ goto done;
+ }
+ }
+
+ if (is_add && (~0 == action)
+ && 0 == vec_len (rlocs))
+ {
+ clib_warning ("no action set for negative map-reply!");
+ goto done;
+ }
+
+ memset(a, 0, sizeof(a[0]));
+ a->action = action;
+ a->is_add = is_add;
+
+ /* NOTE: the remote mapping is static, i.e., not authoritative and
+ * ttl is infinite. */
+ a->authoritative = 0;
+ a->ttl = ~0;
+
+ rv = vnet_lisp_add_del_adjacency (a);
+
+ if (rv)
+ clib_warning("failed to %s adjacency!", is_add ? "add" : "delete");
+
+done:
+ unformat_free (line_input);
+ if (s)
+ vec_free (s);
+ return error;
+}
+
+VLIB_CLI_COMMAND (lisp_add_del_adjacency_command) = {
+ .path = "lisp adjacency",
+ .short_help = "lisp adjacency add|del vni <vni>"
+ "deid <dest-eid> seid <src-eid> [action <no-action|natively-forward|"
+ "send-map-request|drop>] rloc <dst-locator> [rloc <dst-locator> ... ]",
+ .function = lisp_add_del_adjacency_command_fn,
+};
+
+
+static clib_error_t *
+lisp_show_map_resolvers_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ ip_address_t * addr;
+ lisp_cp_main_t * lcm = vnet_lisp_cp_get_main ();
+
+ vec_foreach (addr, lcm->map_resolvers)
+ {
+ vlib_cli_output (vm, "%U", format_ip_address, addr);
+ }
+ return 0;
+}
+
+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,
+};
+
+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_pitr_set_locator_set_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ u8 locator_name_set = 0;
+ u8 * locator_set_name = 0;
+ u8 is_add = 1;
+ unformat_input_t _line_input, * line_input = &_line_input;
+ clib_error_t * error = 0;
+ int rv = 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, "ls %_%v%_", &locator_set_name))
+ locator_name_set = 1;
+ else if (unformat (line_input, "disable"))
+ is_add = 0;
+ else
+ return clib_error_return (0, "parse error");
+ }
+
+ if (!locator_name_set)
+ {
+ clib_warning ("No locator set specified!");
+ goto done;
+ }
+ 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");
+ }
+
+done:
+ if (locator_set_name)
+ vec_free (locator_set_name);
+ return error;
+}
+
+VLIB_CLI_COMMAND (lisp_pitr_set_locator_set_command) = {
+ .path = "lisp pitr",
+ .short_help = "lisp pitr [disable] ls <locator-set-name>",
+ .function = lisp_pitr_set_locator_set_command_fn,
+};
+
+
+static 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 *);
+ gid_address_t * gid = va_arg (*args, gid_address_t *);
+ locator_set_t * ls = va_arg (*args, locator_set_t *);
+ 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%-20s", format_gid_address, gid, type);
+ }
+ 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%-v\n", format_gid_address,
+ gid, type, loc);
+ 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;
+
+ 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
+ return clib_error_return (0, "parse error: '%U'",
+ format_unformat_error, line_input);
+ }
+
+ vlib_cli_output (vm, "%-35s%-20s%-s", "EID", "type", "locators");
+
+ if (print_all)
+ {
+ pool_foreach (mapit, lcm->mapping_pool,
+ ({
+ locator_set_t * ls = pool_elt_at_index (lcm->locator_set_pool,
+ mapit->locator_set_index);
+ vlib_cli_output (vm, "%U", format_eid_entry, lcm->vnet_main,
+ lcm, &mapit->eid, ls);
+ }));
+ }
+ 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);
+ vlib_cli_output (vm, "%U", format_eid_entry, lcm->vnet_main,
+ lcm, &mapit->eid, ls);
+ }
+
+ return 0;
+}
+
+VLIB_CLI_COMMAND (lisp_cp_show_eid_table_command) = {
+ .path = "show lisp eid-table",
+ .short_help = "Shows EID table",
+ .function = lisp_show_eid_table_command_fn,
+};
+
+/* 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, *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);
+
+ /* 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]);
+ 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 (itloc->sw_if_index == loc->sw_if_index ||
+ !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], ls_index);
+ }
+ }
+ 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);
+ }
- return p;
+ loc_id++;
+ }
+ }
+
+ return 0;
}
int
-vnet_lisp_add_del_locator_set_name (vnet_lisp_add_del_locator_set_args_t * a,
- u32 * ls_result)
+vnet_lisp_add_del_locator_set (vnet_lisp_add_del_locator_set_args_t * a,
+ u32 * ls_result)
{
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);
+ u32 ls_index;
+ u32 ** eid_indexes;
+ int ret = 0;
- p = vnet_lisp_get_locator(a, p);
+ if (vnet_lisp_enable_disable_status () == 0)
+ {
+ clib_warning ("LISP is disabled!");
+ return VNET_API_ERROR_LISP_DISABLED;
+ }
if (a->is_add)
{
+ p = get_locator_set_index(a, p);
+
/* overwrite */
if (p && p[0] != (u32)~0)
{
{
clib_warning("locator-set %d to be overwritten doesn't exist!",
p[0]);
- return VNET_API_ERROR_UNSPECIFIED;
+ return -1;
}
/* clean locator to locator-set vectors and remove locators if
else
{
pool_get(lcm->locator_set_pool, ls);
+ memset(ls, 0, sizeof(*ls));
ls_index = ls - lcm->locator_set_pool;
if (a->local)
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;
}
+
+ ret = vnet_lisp_add_del_locator(a, ls, NULL);
+ if (0 != ret)
+ {
+ return ret;
+ }
}
else
{
- if (!p)
- {
- clib_warning("locator-set %v doesn't exists", a->name);
- return VNET_API_ERROR_INVALID_ARGUMENT;
- }
+ 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;
+ }
- 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 (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)
{
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;
-}
-
-int
-vnet_lisp_add_del_locator (vnet_lisp_add_del_locator_set_args_t *a,
- u32 *ls_result)
-{
- 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;
-
- ASSERT(a != NULL);
- ASSERT(ls_result != NULL);
-
- 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;
- }
-
- ls_index = p[0];
-
- if (a->is_add)
- {
- 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];
-
- /* allocate locators */
- 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);
- }
- 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;
- }
-
- 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)
+ lsi = vec_elt(lcm->local_locator_set_indexes, it);
+ if (lsi == p[0])
{
- 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);
+ vec_del1(lcm->local_locator_set_indexes, it);
+ break;
}
- i++;
}
- }
+ 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;
}
clib_error_t *
-vnet_lisp_enable_disable (u8 is_enabled)
+vnet_lisp_enable_disable (u8 is_enable)
{
- vnet_lisp_gpe_add_del_iface_args_t _ai, * ai= &_ai;
- uword * table_id, * refc;
- u32 i;
+ u32 vni, table_id;
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_enabled;
+ a->is_en = is_enable;
error = vnet_lisp_gpe_enable_disable (a);
if (error)
{
a->is_en ? "enable" : "disable");
}
- if (is_enabled)
+ if (is_enable)
{
/* enable all ifaces */
- for (i = 0; i < vec_len (lcm->local_mappings_indexes); i++)
- {
- mapping_t * m = vec_elt_at_index (lcm->mapping_pool, i);
- ai->is_add = 1;
- ai->vni = gid_address_vni (&m->eid);
-
- refc = hash_get (lcm->dp_if_refcount_by_vni, ai->vni);
- if (!refc)
- {
- table_id = hash_get (lcm->table_id_by_vni, ai->vni);
- if (table_id)
- {
- ai->table_id = table_id[0];
- /* enables interface and adds defaults */
- vnet_lisp_gpe_add_del_iface (ai, 0);
- }
- else
- return clib_error_return (0, "no table_id found for vni %u!",
- ai->vni);
-
- hash_set (lcm->dp_if_refcount_by_vni, ai->vni, 1);
- }
- else
- {
- refc[0]++;
- }
- }
+ hash_foreach(vni, table_id, lcm->table_id_by_vni, ({
+ dp_add_del_iface(lcm, vni, 1);
+ }));
}
else
{
- /* clear refcount table */
- hash_free (lcm->dp_if_refcount_by_vni);
- hash_free (lcm->fwd_entry_by_mapping_index);
- pool_free (lcm->fwd_entry_pool);
+ /* clear interface table */
+ hash_free(lcm->dp_intf_by_vni);
+ hash_free(lcm->fwd_entry_by_mapping_index);
+ pool_free(lcm->fwd_entry_pool);
}
/* update global flag */
- lcm->is_enabled = is_enabled;
+ lcm->is_enabled = is_enable;
return 0;
}
static clib_error_t *
lisp_enable_disable_command_fn (vlib_main_t * vm, unformat_input_t * input,
- vlib_cli_command_t * cmd)
+ vlib_cli_command_t * cmd)
{
unformat_input_t _line_input, * line_input = &_line_input;
u8 is_enabled = 0;
.short_help = "show lisp status",
.function = lisp_show_status_command_fn,
};
+
+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;
+ lisp_cp_main_t * lcm = vnet_lisp_cp_get_main ();
+
+ vlib_cli_output (vm, "%=10s%=10s", "VNI", "VRF");
+ hash_foreach_pair (p, lcm->table_id_by_vni,
+ {
+ vlib_cli_output (vm, "%=10d%=10d", p->key, p->value[0]);
+ });
+ return 0;
+}
+
+VLIB_CLI_COMMAND (lisp_show_eid_table_map_command) = {
+ .path = "show lisp eid-table map",
+ .short_help = "show lisp eid-table vni to vrf mappings",
+ .function = lisp_show_eid_table_map_command_fn,
+};
+
static clib_error_t *
lisp_add_del_locator_set_command_fn (vlib_main_t * vm, unformat_input_t * input,
vlib_cli_command_t * cmd)
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]));
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);
+ if (locator_set_name)
+ vec_free (locator_set_name);
return error;
}
VLIB_CLI_COMMAND (lisp_cp_add_del_locator_set_command) = {
.path = "lisp locator-set",
- .short_help = "lisp locator-set add/del <name> iface <iface-name> "
- "p <priority> w <weight>",
+ .short_help = "lisp locator-set add/del <name> [iface <iface-name> "
+ "p <priority> w <weight>]",
.function = lisp_add_del_locator_set_command_fn,
};
+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;
+}
+
+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,
+};
+
static clib_error_t *
lisp_cp_show_locator_sets_command_fn (vlib_main_t * vm,
unformat_input_t * input,
pool_foreach (lsit, lcm->locator_set_pool,
({
u8 * msg = 0;
- msg = format (msg, "%-16v", lsit->name);
+ int next_line = 0;
+ msg = format (msg, "%=16v", lsit->name);
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);
ip_address_t * addr;
u32 i;
+ 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)
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;
ip_address_t ip_addr;
clib_error_t * error = 0;
+ int rv = 0;
vnet_lisp_add_del_map_resolver_args_t _a, * a = &_a;
/* Get a line of input. */
}
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:
+ return error;
+}
+
+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,
+};
+
+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 %s", &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;
+
+}
+
+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,
+};
+
+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;
}
-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,
+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,
};
/* Statistics (not really errors) */
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 *
return s;
}
-static u32
-ip_fib_lookup_with_table (lisp_cp_main_t * lcm, u32 fib_index,
- ip_address_t * dst)
-{
- 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));
-}
-
-void
-get_local_iface_ip_for_dst (lisp_cp_main_t *lcm, ip_address_t * dst,
- ip_address_t * sloc)
+int
+get_mr_and_local_iface_ip (lisp_cp_main_t * lcm, ip_address_t * mr_ip,
+ ip_address_t * sloc)
{
- u32 adj_index;
- ip_adjacency_t * adj;
- ip_interface_address_t * ia = 0;
- ip_lookup_main_t * lm;
- ip4_address_t * l4 = 0;
- ip6_address_t * l6 = 0;
+ ip_address_t * mrit;
- lm = ip_addr_version (dst) == IP4 ?
- &lcm->im4->lookup_main : &lcm->im6->lookup_main;
-
- 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)
+ if (vec_len(lcm->map_resolvers) == 0)
{
- 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);
- }
+ clib_warning("No map-resolver configured");
+ return 0;
}
- 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
+ /* 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)
{
- clib_warning("Can't find local local interface ip for dst %U",
- format_ip_address, dst);
- return;
+ if (0 != ip_fib_get_first_egress_ip_for_dst (lcm, mrit, sloc)) {
+ ip_address_copy(mr_ip, mrit);
+ return 1;
+ }
}
- if (l4)
- {
- ip_addr_v4(sloc).as_u32 = l4->as_u32;
- ip_addr_version(sloc) = IP4;
- }
- else if (l6)
- {
- clib_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);
- }
+ clib_warning("Can't find map-resolver and local interface ip!");
+ return 0;
}
-
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_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 = pool_elt_at_index (lcm->locator_pool, loc_indexp[0]);
- ip_addr_version(rloc) = IP4;
/* Add ipv4 locators first TODO sort them */
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];
+ addr = ip_interface_address_get_address (&lcm->im4->lookup_main, ia);
+ ip_address_set (rloc, addr, IP4);
+ ip_prefix_len (ippref) = 32;
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];
+ addr = ip_interface_address_get_address (&lcm->im6->lookup_main, ia);
+ ip_address_set (rloc, addr, IP6);
+ ip_prefix_len (ippref) = 128;
vec_add1 (rlocs, gid[0]);
}));
}
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,
+ 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;
u32 bi;
- ip_address_t * mr_ip, sloc;
gid_address_t * rlocs = 0;
if (vlib_buffer_alloc (vm, &bi, 1) != 1)
/* 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,
+ 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;
}
locator_set_t * loc_set;
mapping_t * map;
pending_map_request_t * pmr;
+ ip_address_t mr_ip, sloc;
+ u32 ls_index;
/* get locator-set for seid */
- map_index = gid_dictionary_lookup (&lcm->mapping_index_by_gid, seid);
- if (map_index == ~0)
+ if (!lcm->lisp_pitr)
{
- clib_warning("No local mapping found in eid-table for %U!",
- format_gid_address, seid);
- return;
- }
+ map_index = gid_dictionary_lookup (&lcm->mapping_index_by_gid, seid);
+ if (map_index == ~0)
+ {
+ clib_warning("No local mapping found in eid-table for %U!",
+ format_gid_address, seid);
+ return;
+ }
- map = pool_elt_at_index (lcm->mapping_pool, map_index);
+ map = pool_elt_at_index (lcm->mapping_pool, map_index);
- if (!map->local)
+ if (!map->local)
+ {
+ clib_warning("Mapping found for src eid %U is not marked as local!",
+ format_gid_address, seid);
+ return;
+ }
+ ls_index = map->locator_set_index;
+ }
+ else
{
- clib_warning("Mapping found for src eid %U is not marked as local!",
- format_gid_address, seid);
- return;
+ map_index = lcm->pitr_map_index;
+ map = pool_elt_at_index (lcm->mapping_pool, lcm->pitr_map_index);
+ 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;
}
- loc_set = pool_elt_at_index (lcm->locator_set_pool, map->locator_set_index);
+
+ loc_set = pool_elt_at_index (lcm->locator_set_pool, ls_index);
+
+ /* get local iface ip to use in map-request */
+ if (0 == get_mr_and_local_iface_ip (lcm, &mr_ip, &sloc))
+ return;
/* 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 (vm, lcm, seid, deid, loc_set, &mr_ip,
+ &sloc, is_smr_invoked, &nonce, &bi);
if (!b)
return;
- vnet_buffer(b)->sw_if_index[VLIB_TX] = ~0;
- next_index = (ip_prefix_version(&gid_address_ippref(seid)) == IP4) ?
+ /* set fib index to default and lookup node */
+ vnet_buffer(b)->sw_if_index[VLIB_TX] = 0;
+ next_index = (ip_addr_version(&mr_ip) == IP4) ?
ip4_lookup_node.index : ip6_lookup_node.index;
f = vlib_get_frame_to_node (vm, next_index);
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);
}
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;
- clib_memcpy (&ip_addr_v6(src), &ip6->src_address, sizeof(ip6->src_address));
- ip_addr_version(src) = IP6;
- clib_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 (vlib_buffer_t * b, u8 version)
+{
+ uword * vnip;
+ u32 vni = ~0, table_id = ~0, fib_index;
+ lisp_cp_main_t * lcm = vnet_lisp_cp_get_main ();
+
+ if (version == IP4)
+ {
+ ip4_fib_t * fib;
+ ip4_main_t * im4 = &ip4_main;
+ fib_index = vec_elt (im4->fib_index_by_sw_if_index,
+ vnet_buffer (b)->sw_if_index[VLIB_RX]);
+ fib = find_ip4_fib_by_table_index_or_id (im4, fib_index,
+ IP4_ROUTE_FLAG_FIB_INDEX);
+ table_id = fib->table_id;
}
+ else
+ {
+ ip6_fib_t * fib;
+ ip6_main_t * im6 = &ip6_main;
+ fib_index = vec_elt (im6->fib_index_by_sw_if_index,
+ vnet_buffer (b)->sw_if_index[VLIB_RX]);
+ fib = find_ip6_fib_by_table_index_or_id (im6, fib_index,
+ IP6_ROUTE_FLAG_FIB_INDEX);
+ table_id = fib->table_id;
+ }
+
+ 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;
}
static uword
while (n_left_from > 0 && n_left_to_next_drop > 0)
{
- u32 pi0;
+ u32 pi0, vni;
vlib_buffer_t * p0;
ip4_header_t * ip0;
gid_address_t src, dst;
ip_prefix_len(spref) = ip_address_max_len (ip_prefix_version(spref));
ip_prefix_len(dpref) = ip_address_max_len (ip_prefix_version(dpref));
+ vni = lisp_get_vni_from_buffer (p0, ip_prefix_version (spref));
+ gid_address_vni (&dst) = vni;
+ gid_address_vni (&src) = vni;
+
/* if we have remote mapping for destination already in map-chache
add forwarding tunnel directly. If not send a map-request */
di = gid_dictionary_lookup (&lcm->mapping_index_by_gid, &dst);
if (~0 != di)
{
- si = gid_dictionary_lookup (&lcm->mapping_index_by_gid, &src);
- if (~0 != si)
+ mapping_t * m = vec_elt_at_index (lcm->mapping_pool, di);
+ /* send a map-request also in case of negative mapping entry
+ with corresponding action */
+ if (m->action == ACTION_SEND_MAP_REQUEST)
+ {
+ /* send map-request */
+ send_encapsulated_map_request (vm, lcm, &src, &dst, 0);
+ pkts_mapped++;
+ }
+ else
{
- add_fwd_entry (lcm, si, di);
+ si = gid_dictionary_lookup (&lcm->mapping_index_by_gid,
+ &src);
+ if (~0 != si)
+ {
+ dp_add_fwd_entry (lcm, si, di);
+ }
}
}
else
{
lisp_cp_lookup_trace_t *tr = vlib_add_trace (vm, node, p0,
sizeof(*tr));
+
+ memset(tr, 0, sizeof(*tr));
gid_address_copy (&tr->dst_eid, &dst);
- clib_memcpy (&tr->map_resolver_ip,
- vec_elt_at_index(lcm->map_resolvers, 0),
- sizeof(ip_address_t));
+ if (vec_len(lcm->map_resolvers) > 0)
+ {
+ clib_memcpy (&tr->map_resolver_ip,
+ vec_elt_at_index(lcm->map_resolvers, 0),
+ sizeof(ip_address_t));
+ }
}
+ gid_address_free (&dst);
+ gid_address_free (&src);
}
vlib_put_next_frame (vm, node, LISP_CP_LOOKUP_NEXT_DROP, n_left_to_next_drop);
};
/* 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[] = {
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->vni = gid_address_vni(&a->deid);
- 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);
-}
-
-static 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, sw_if_index;
- locator_t * dl = 0;
- uword * feip = 0, * tidp;
- fwd_entry_t* fe;
- 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);
-
- gid_address_copy (&a->deid, &dst_map->eid);
- a->vni = gid_address_vni(&a->deid);
-
- tidp = hash_get(lcm->table_id_by_vni, a->vni);
- if (!tidp)
- {
- clib_warning("vni %d not associated to a vrf!", a->vni);
- return;
- }
- a->table_id = tidp[0];
-
- /* 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)
- == GID_ADDR_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 */
- a->is_add = 1;
- if (dl)
- a->dlocator = gid_address_ip(&dl->address);
- else
- {
- a->is_negative = 1;
- a->action = dst_map->action;
- }
-
- /* TODO remove */
- 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;
-
- 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->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)
{
- locator_t * loc;
- u32 len = 0, i, ls_index = 0;
+ u32 len = 0, i, ttl;
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;
locator_t probed;
map_reply_hdr_t * mrep_hdr;
u64 nonce;
- u32 dst_map_index, mi;
+ gid_address_t deid;
uword * pmr_index;
+ u8 authoritative, action;
+ locator_t * locators = 0, * loc;
+ vnet_lisp_add_del_adjacency_args_t _a, * a = &_a;
mrep_hdr = vlib_buffer_get_current (b);
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_foreach (loc, ls_arg->locators)
+ vec_foreach (loc, locators)
{
locator_free (loc);
}
- vec_free(ls_arg->locators);
+ vec_free(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);
+ memset(a, 0, sizeof(*a));
+ a->action = action;
+ a->authoritative = authoritative;
+ a->ttl = ttl;
+ a->locators = locators;
+ gid_address_copy(&a->seid, &pmr->src);
+ gid_address_copy(&a->deid, &deid);
+ a->is_add = 1;
- /* add mapping */
- m_args->is_add = 1;
- m_args->locator_set_index = ls_index;
- vnet_lisp_add_del_mapping (m_args, &dst_map_index);
+ lisp_add_del_adjacency (lcm, a);
- /* add forwarding tunnel */
- add_fwd_entry (lcm, pmr->src_mapping_index, dst_map_index);
- }
- vec_free(ls_arg->locators);
+ vec_free(locators);
}
/* remove pending map request entry */
lcm->im6 = &ip6_main;
lcm->vlib_main = vm;
lcm->vnet_main = vnet_get_main();
+ lcm->mreq_itr_rlocs = ~0;
+ lcm->lisp_pitr = 0;
gid_dictionary_init (&lcm->mapping_index_by_gid);
/* 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 */);
Code Review / vpp.git / blobdiff