+ u8 is_rpf_id, u32 * fib_index, u32 * next_hop_fib_index)
+{
+ vnet_main_t *vnm = vnet_get_main ();
+
+ *fib_index = fib_table_find (table_proto, ntohl (table_id));
+ if (~0 == *fib_index)
+ {
+ /* No such VRF, and we weren't asked to create one */
+ return VNET_API_ERROR_NO_SUCH_FIB;
+ }
+
+ if (!is_rpf_id && ~0 != ntohl (next_hop_sw_if_index))
+ {
+ if (pool_is_free_index (vnm->interface_main.sw_interfaces,
+ ntohl (next_hop_sw_if_index)))
+ {
+ return VNET_API_ERROR_NO_MATCHING_INTERFACE;
+ }
+ }
+ else
+ {
+ fib_protocol_t fib_nh_proto;
+
+ if (next_hop_table_proto > DPO_PROTO_MPLS)
+ return (0);
+
+ fib_nh_proto = dpo_proto_to_fib (next_hop_table_proto);
+
+ if (is_rpf_id)
+ *next_hop_fib_index = mfib_table_find (fib_nh_proto,
+ ntohl (next_hop_table_id));
+ else
+ *next_hop_fib_index = fib_table_find (fib_nh_proto,
+ ntohl (next_hop_table_id));
+
+ if (~0 == *next_hop_fib_index)
+ {
+ /* No such VRF, and we weren't asked to create one */
+ return VNET_API_ERROR_NO_SUCH_FIB;
+ }
+ }
+
+ return (0);
+}
+
+static int
+ip4_add_del_route_t_handler (vl_api_ip_add_del_route_t * mp,
+ u32 * stats_index)
+{
+ u32 fib_index, next_hop_fib_index;
+ fib_mpls_label_t *label_stack = NULL;
+ int rv, ii, n_labels;;
+
+ rv = add_del_route_check (FIB_PROTOCOL_IP4,
+ mp->table_id,
+ mp->next_hop_sw_if_index,
+ DPO_PROTO_IP4,
+ mp->next_hop_table_id,
+ 0, &fib_index, &next_hop_fib_index);
+
+ if (0 != rv)
+ return (rv);
+
+ fib_prefix_t pfx = {
+ .fp_len = mp->dst_address_length,
+ .fp_proto = FIB_PROTOCOL_IP4,
+ };
+ clib_memcpy (&pfx.fp_addr.ip4, mp->dst_address, sizeof (pfx.fp_addr.ip4));
+
+ ip46_address_t nh;
+ memset (&nh, 0, sizeof (nh));
+ memcpy (&nh.ip4, mp->next_hop_address, sizeof (nh.ip4));
+
+ n_labels = mp->next_hop_n_out_labels;
+ if (n_labels == 0)
+ ;
+ else
+ {
+ vec_validate (label_stack, n_labels - 1);
+ for (ii = 0; ii < n_labels; ii++)
+ {
+ label_stack[ii].fml_value =
+ ntohl (mp->next_hop_out_label_stack[ii].label);
+ label_stack[ii].fml_ttl = mp->next_hop_out_label_stack[ii].ttl;
+ label_stack[ii].fml_exp = mp->next_hop_out_label_stack[ii].exp;
+ label_stack[ii].fml_mode =
+ (mp->next_hop_out_label_stack[ii].is_uniform ?
+ FIB_MPLS_LSP_MODE_UNIFORM : FIB_MPLS_LSP_MODE_PIPE);
+ }
+ }
+
+ rv = add_del_route_t_handler (mp->is_multipath,
+ mp->is_add,
+ mp->is_drop,
+ mp->is_unreach,
+ mp->is_prohibit,
+ mp->is_local, 0,
+ mp->is_classify,
+ mp->classify_table_index,
+ mp->is_resolve_host,
+ mp->is_resolve_attached, 0, 0,
+ mp->is_dvr,
+ mp->is_source_lookup,
+ mp->is_udp_encap,
+ fib_index, &pfx, DPO_PROTO_IP4,
+ &nh,
+ ntohl (mp->next_hop_id),
+ ntohl (mp->next_hop_sw_if_index),
+ next_hop_fib_index,
+ mp->next_hop_weight,
+ mp->next_hop_preference,
+ ntohl (mp->next_hop_via_label), label_stack);
+
+ if (mp->is_add && 0 == rv)
+ *stats_index = fib_table_entry_get_stats_index (fib_index, &pfx);
+
+ return (rv);
+}
+
+static int
+ip6_add_del_route_t_handler (vl_api_ip_add_del_route_t * mp,
+ u32 * stats_index)
+{
+ fib_mpls_label_t *label_stack = NULL;
+ u32 fib_index, next_hop_fib_index;
+ int rv, ii, n_labels;;
+
+ rv = add_del_route_check (FIB_PROTOCOL_IP6,
+ mp->table_id,
+ mp->next_hop_sw_if_index,
+ DPO_PROTO_IP6,
+ mp->next_hop_table_id,
+ 0, &fib_index, &next_hop_fib_index);
+
+ if (0 != rv)
+ return (rv);
+
+ fib_prefix_t pfx = {
+ .fp_len = mp->dst_address_length,
+ .fp_proto = FIB_PROTOCOL_IP6,
+ };
+ clib_memcpy (&pfx.fp_addr.ip6, mp->dst_address, sizeof (pfx.fp_addr.ip6));
+
+ ip46_address_t nh;
+ memset (&nh, 0, sizeof (nh));
+ memcpy (&nh.ip6, mp->next_hop_address, sizeof (nh.ip6));
+
+ n_labels = mp->next_hop_n_out_labels;
+ if (n_labels == 0)
+ ;
+ else
+ {
+ vec_validate (label_stack, n_labels - 1);
+ for (ii = 0; ii < n_labels; ii++)
+ {
+ label_stack[ii].fml_value =
+ ntohl (mp->next_hop_out_label_stack[ii].label);
+ label_stack[ii].fml_ttl = mp->next_hop_out_label_stack[ii].ttl;
+ label_stack[ii].fml_exp = mp->next_hop_out_label_stack[ii].exp;
+ label_stack[ii].fml_mode =
+ (mp->next_hop_out_label_stack[ii].is_uniform ?
+ FIB_MPLS_LSP_MODE_UNIFORM : FIB_MPLS_LSP_MODE_PIPE);
+ }
+ }
+
+ rv = add_del_route_t_handler (mp->is_multipath,
+ mp->is_add,
+ mp->is_drop,
+ mp->is_unreach,
+ mp->is_prohibit,
+ mp->is_local, 0,
+ mp->is_classify,
+ mp->classify_table_index,
+ mp->is_resolve_host,
+ mp->is_resolve_attached, 0, 0,
+ mp->is_dvr,
+ mp->is_source_lookup,
+ mp->is_udp_encap,
+ fib_index, &pfx, DPO_PROTO_IP6,
+ &nh, ntohl (mp->next_hop_id),
+ ntohl (mp->next_hop_sw_if_index),
+ next_hop_fib_index,
+ mp->next_hop_weight,
+ mp->next_hop_preference,
+ ntohl (mp->next_hop_via_label), label_stack);
+
+ if (mp->is_add && 0 == rv)
+ *stats_index = fib_table_entry_get_stats_index (fib_index, &pfx);
+
+ return (rv);
+}
+
+void
+vl_api_ip_add_del_route_t_handler (vl_api_ip_add_del_route_t * mp)
+{
+ vl_api_ip_add_del_route_reply_t *rmp;
+ u32 stats_index;
+ int rv;
+ vnet_main_t *vnm = vnet_get_main ();
+
+ vnm->api_errno = 0;
+ stats_index = ~0;
+
+ if (mp->is_ipv6)
+ rv = ip6_add_del_route_t_handler (mp, &stats_index);
+ else
+ rv = ip4_add_del_route_t_handler (mp, &stats_index);
+
+ rv = (rv == 0) ? vnm->api_errno : rv;
+
+ /* *INDENT-OFF* */
+ REPLY_MACRO2 (VL_API_IP_ADD_DEL_ROUTE_REPLY,
+ ({
+ rmp->stats_index = htonl (stats_index);
+ }))
+ /* *INDENT-ON* */
+}
+
+void
+ip_table_create (fib_protocol_t fproto,
+ u32 table_id, u8 is_api, const u8 * name)
+{
+ u32 fib_index, mfib_index;
+
+ /*
+ * ignore action on the default table - this is always present
+ * and cannot be added nor deleted from the API
+ */
+ if (0 != table_id)
+ {
+ /*
+ * The API holds only one lock on the table.
+ * i.e. it can be added many times via the API but needs to be
+ * deleted only once.
+ * The FIB index for unicast and multicast is not necessarily the
+ * same, since internal VPP systesm (like LISP and SR) create
+ * their own unicast tables.
+ */
+ fib_index = fib_table_find (fproto, table_id);
+ mfib_index = mfib_table_find (fproto, table_id);
+
+ if (~0 == fib_index)
+ {
+ fib_table_find_or_create_and_lock_w_name (fproto, table_id,
+ (is_api ?
+ FIB_SOURCE_API :
+ FIB_SOURCE_CLI), name);
+ }
+ if (~0 == mfib_index)
+ {
+ mfib_table_find_or_create_and_lock_w_name (fproto, table_id,
+ (is_api ?
+ MFIB_SOURCE_API :
+ MFIB_SOURCE_CLI), name);
+ }
+ }
+}
+
+static int
+add_del_mroute_check (fib_protocol_t table_proto,
+ u32 table_id,
+ u32 next_hop_sw_if_index, u8 is_local, u32 * fib_index)
+{
+ vnet_main_t *vnm = vnet_get_main ();
+
+ *fib_index = mfib_table_find (table_proto, ntohl (table_id));
+ if (~0 == *fib_index)
+ {
+ /* No such table */
+ return VNET_API_ERROR_NO_SUCH_FIB;
+ }
+
+ if (~0 != ntohl (next_hop_sw_if_index))
+ {
+ if (pool_is_free_index (vnm->interface_main.sw_interfaces,
+ ntohl (next_hop_sw_if_index)))
+ {
+ return VNET_API_ERROR_NO_MATCHING_INTERFACE;
+ }
+ }
+
+ return (0);
+}
+
+static fib_node_index_t
+mroute_add_del_handler (u8 is_add,
+ u8 is_local,
+ u32 fib_index,
+ const mfib_prefix_t * prefix,
+ dpo_proto_t nh_proto,
+ u32 entry_flags,
+ fib_rpf_id_t rpf_id,
+ u32 next_hop_sw_if_index,
+ ip46_address_t * nh, u32 itf_flags, u32 bier_imp)
+{
+ fib_node_index_t mfib_entry_index = ~0;
+
+ stats_dslock_with_hint (1 /* release hint */ , 2 /* tag */ );
+
+ fib_route_path_t path = {
+ .frp_sw_if_index = next_hop_sw_if_index,
+ .frp_proto = nh_proto,
+ .frp_addr = *nh,
+ };
+
+ if (is_local)
+ path.frp_flags |= FIB_ROUTE_PATH_LOCAL;
+
+ if (DPO_PROTO_BIER == nh_proto)
+ {
+ path.frp_bier_imp = bier_imp;
+ path.frp_flags = FIB_ROUTE_PATH_BIER_IMP;
+ }
+ else if (!is_local && ~0 == next_hop_sw_if_index)
+ {
+ mfib_entry_index = mfib_table_entry_update (fib_index, prefix,
+ MFIB_SOURCE_API,
+ rpf_id, entry_flags);
+ goto done;
+ }
+
+ if (is_add)
+ {
+ mfib_entry_index = mfib_table_entry_path_update (fib_index, prefix,
+ MFIB_SOURCE_API,
+ &path, itf_flags);
+ }
+ else
+ {
+ mfib_table_entry_path_remove (fib_index, prefix,
+ MFIB_SOURCE_API, &path);
+ }
+
+done:
+ stats_dsunlock ();
+ return (mfib_entry_index);
+}
+
+static int
+api_mroute_add_del_t_handler (vl_api_ip_mroute_add_del_t * mp,
+ u32 * stats_index)
+{
+ fib_node_index_t mfib_entry_index;
+ fib_protocol_t fproto;
+ dpo_proto_t nh_proto;
+ ip46_address_t nh;
+ u32 fib_index;
+ int rv;
+
+ nh_proto = mp->next_hop_afi;
+ fproto = (mp->is_ipv6 ? FIB_PROTOCOL_IP6 : FIB_PROTOCOL_IP4);
+ rv = add_del_mroute_check (fproto,
+ mp->table_id,
+ mp->next_hop_sw_if_index,
+ mp->is_local, &fib_index);
+
+ if (0 != rv)
+ return (rv);
+
+ mfib_prefix_t pfx = {
+ .fp_len = ntohs (mp->grp_address_length),
+ .fp_proto = fproto,
+ };
+
+ if (FIB_PROTOCOL_IP4 == fproto)
+ {
+ clib_memcpy (&pfx.fp_grp_addr.ip4, mp->grp_address,
+ sizeof (pfx.fp_grp_addr.ip4));
+ clib_memcpy (&pfx.fp_src_addr.ip4, mp->src_address,
+ sizeof (pfx.fp_src_addr.ip4));
+ memset (&nh.ip6, 0, sizeof (nh.ip6));
+ clib_memcpy (&nh.ip4, mp->nh_address, sizeof (nh.ip4));
+ if (!ip46_address_is_zero (&pfx.fp_src_addr))
+ pfx.fp_len = 64;
+ }
+ else
+ {
+ clib_memcpy (&pfx.fp_grp_addr.ip6, mp->grp_address,
+ sizeof (pfx.fp_grp_addr.ip6));
+ clib_memcpy (&pfx.fp_src_addr.ip6, mp->src_address,
+ sizeof (pfx.fp_src_addr.ip6));
+ clib_memcpy (&nh.ip6, mp->nh_address, sizeof (nh.ip6));
+ if (!ip46_address_is_zero (&pfx.fp_src_addr))
+ pfx.fp_len = 256;
+ }
+
+ mfib_entry_index = mroute_add_del_handler (mp->is_add,
+ mp->is_local,
+ fib_index, &pfx,
+ nh_proto,
+ ntohl (mp->entry_flags),
+ ntohl (mp->rpf_id),
+ ntohl (mp->next_hop_sw_if_index),
+ &nh,
+ ntohl (mp->itf_flags),
+ ntohl (mp->bier_imp));
+
+ if (~0 != mfib_entry_index)
+ *stats_index = mfib_entry_get_stats_index (mfib_entry_index);
+
+ return (rv);
+}
+
+void
+vl_api_ip_mroute_add_del_t_handler (vl_api_ip_mroute_add_del_t * mp)
+{
+ vl_api_ip_mroute_add_del_reply_t *rmp;
+ vnet_main_t *vnm;
+ u32 stats_index;
+ int rv;
+
+ vnm = vnet_get_main ();
+ vnm->api_errno = 0;
+ stats_index = ~0;
+
+ rv = api_mroute_add_del_t_handler (mp, &stats_index);
+
+ /* *INDENT-OFF* */
+ REPLY_MACRO2 (VL_API_IP_MROUTE_ADD_DEL_REPLY,
+ ({
+ rmp->stats_index = htonl (stats_index);
+ }));
+ /* *INDENT-ON* */
+}
+
+static void
+send_ip_details (vpe_api_main_t * am,
+ vl_api_registration_t * reg, u32 sw_if_index, u8 is_ipv6,
+ u32 context)
+{
+ vl_api_ip_details_t *mp;
+
+ mp = vl_msg_api_alloc (sizeof (*mp));
+ memset (mp, 0, sizeof (*mp));
+ mp->_vl_msg_id = ntohs (VL_API_IP_DETAILS);
+
+ mp->sw_if_index = ntohl (sw_if_index);
+ mp->is_ipv6 = is_ipv6;
+ mp->context = context;
+
+ vl_api_send_msg (reg, (u8 *) mp);
+}
+
+static void
+send_ip_address_details (vpe_api_main_t * am,
+ vl_api_registration_t * reg,
+ u8 * ip, u16 prefix_length,
+ u32 sw_if_index, u8 is_ipv6, u32 context)
+{
+ vl_api_ip_address_details_t *mp;
+
+ mp = vl_msg_api_alloc (sizeof (*mp));
+ memset (mp, 0, sizeof (*mp));
+ mp->_vl_msg_id = ntohs (VL_API_IP_ADDRESS_DETAILS);
+
+ if (is_ipv6)
+ {
+ clib_memcpy (&mp->ip, ip, sizeof (mp->ip));
+ }
+ else
+ {
+ u32 *tp = (u32 *) mp->ip;
+ *tp = *(u32 *) ip;
+ }
+ mp->prefix_length = prefix_length;
+ mp->context = context;
+ mp->sw_if_index = htonl (sw_if_index);
+ mp->is_ipv6 = is_ipv6;
+
+ vl_api_send_msg (reg, (u8 *) mp);
+}
+
+static void
+vl_api_ip_address_dump_t_handler (vl_api_ip_address_dump_t * mp)
+{
+ vpe_api_main_t *am = &vpe_api_main;
+ vl_api_registration_t *reg;
+ ip6_address_t *r6;
+ ip4_address_t *r4;
+ ip6_main_t *im6 = &ip6_main;
+ ip4_main_t *im4 = &ip4_main;
+ ip_lookup_main_t *lm6 = &im6->lookup_main;
+ ip_lookup_main_t *lm4 = &im4->lookup_main;
+ ip_interface_address_t *ia = 0;
+ u32 sw_if_index = ~0;
+ int rv __attribute__ ((unused)) = 0;
+
+ VALIDATE_SW_IF_INDEX (mp);
+
+ sw_if_index = ntohl (mp->sw_if_index);
+
+ reg = vl_api_client_index_to_registration (mp->client_index);
+ if (!reg)
+ return;
+
+ if (mp->is_ipv6)
+ {
+ /* *INDENT-OFF* */
+ /* Do not send subnet details of the IP-interface for
+ * unnumbered interfaces. otherwise listening clients
+ * will be confused that the subnet is applied on more
+ * than one interface */
+ foreach_ip_interface_address (lm6, ia, sw_if_index, 0,
+ ({
+ r6 = ip_interface_address_get_address (lm6, ia);
+ u16 prefix_length = ia->address_length;
+ send_ip_address_details(am, reg, (u8*)r6, prefix_length,
+ sw_if_index, 1, mp->context);
+ }));
+ /* *INDENT-ON* */
+ }
+ else
+ {
+ /* *INDENT-OFF* */
+ foreach_ip_interface_address (lm4, ia, sw_if_index, 0,
+ ({
+ r4 = ip_interface_address_get_address (lm4, ia);
+ u16 prefix_length = ia->address_length;
+ send_ip_address_details(am, reg, (u8*)r4, prefix_length,
+ sw_if_index, 0, mp->context);
+ }));
+ /* *INDENT-ON* */
+ }
+
+ BAD_SW_IF_INDEX_LABEL;
+}
+
+static void
+send_ip_unnumbered_details (vpe_api_main_t * am,
+ vl_api_registration_t * reg,
+ u32 sw_if_index, u32 ip_sw_if_index, u32 context)
+{
+ vl_api_ip_unnumbered_details_t *mp;
+
+ mp = vl_msg_api_alloc (sizeof (*mp));
+ memset (mp, 0, sizeof (*mp));
+ mp->_vl_msg_id = ntohs (VL_API_IP_UNNUMBERED_DETAILS);
+
+ mp->context = context;
+ mp->sw_if_index = htonl (sw_if_index);
+ mp->ip_sw_if_index = htonl (ip_sw_if_index);
+
+ vl_api_send_msg (reg, (u8 *) mp);
+}
+
+static void
+vl_api_ip_unnumbered_dump_t_handler (vl_api_ip_unnumbered_dump_t * mp)
+{
+ vnet_main_t *vnm = vnet_get_main ();
+ vnet_interface_main_t *im = &vnm->interface_main;
+ int rv __attribute__ ((unused)) = 0;
+ vpe_api_main_t *am = &vpe_api_main;
+ vl_api_registration_t *reg;
+ vnet_sw_interface_t *si;
+ u32 sw_if_index;
+
+ sw_if_index = ntohl (mp->sw_if_index);
+
+ reg = vl_api_client_index_to_registration (mp->client_index);
+ if (!reg)
+ return;
+
+ if (~0 != sw_if_index)
+ {
+ VALIDATE_SW_IF_INDEX (mp);
+
+ si = vnet_get_sw_interface (vnm, ntohl (mp->sw_if_index));
+
+ if (!(si->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED))
+ {
+ send_ip_unnumbered_details (am, reg,
+ sw_if_index,
+ si->unnumbered_sw_if_index,
+ mp->context);
+ }
+ }
+ else
+ {
+ /* *INDENT-OFF* */
+ pool_foreach (si, im->sw_interfaces,
+ ({
+ if ((si->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED))
+ {
+ send_ip_unnumbered_details(am, reg,
+ si->sw_if_index,
+ si->unnumbered_sw_if_index,
+ mp->context);
+ }
+ }));
+ /* *INDENT-ON* */
+ }
+
+ BAD_SW_IF_INDEX_LABEL;
+}
+
+static void
+vl_api_ip_dump_t_handler (vl_api_ip_dump_t * mp)
+{
+ vpe_api_main_t *am = &vpe_api_main;
+ vnet_main_t *vnm = vnet_get_main ();
+ vlib_main_t *vm = vlib_get_main ();
+ vnet_interface_main_t *im = &vnm->interface_main;
+ vl_api_registration_t *reg;
+ vnet_sw_interface_t *si, *sorted_sis;
+ u32 sw_if_index = ~0;
+
+ reg = vl_api_client_index_to_registration (mp->client_index);
+ if (!reg)
+ return;
+
+ /* Gather interfaces. */
+ sorted_sis = vec_new (vnet_sw_interface_t, pool_elts (im->sw_interfaces));
+ _vec_len (sorted_sis) = 0;
+ /* *INDENT-OFF* */
+ pool_foreach (si, im->sw_interfaces,
+ ({
+ vec_add1 (sorted_sis, si[0]);
+ }));
+ /* *INDENT-ON* */
+
+ vec_foreach (si, sorted_sis)
+ {
+ if (!(si->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED))
+ {
+ if (mp->is_ipv6 && !ip6_interface_enabled (vm, si->sw_if_index))
+ {
+ continue;
+ }
+ sw_if_index = si->sw_if_index;
+ send_ip_details (am, reg, sw_if_index, mp->is_ipv6, mp->context);
+ }
+ }
+}
+
+static void
+set_ip6_flow_hash (vl_api_set_ip_flow_hash_t * mp)
+{
+ vl_api_set_ip_flow_hash_reply_t *rmp;
+ int rv;
+ u32 table_id;
+ flow_hash_config_t flow_hash_config = 0;
+
+ table_id = ntohl (mp->vrf_id);
+
+#define _(a,b) if (mp->a) flow_hash_config |= b;
+ foreach_flow_hash_bit;
+#undef _
+
+ rv = vnet_set_ip6_flow_hash (table_id, flow_hash_config);
+
+ REPLY_MACRO (VL_API_SET_IP_FLOW_HASH_REPLY);
+}
+
+static void
+set_ip4_flow_hash (vl_api_set_ip_flow_hash_t * mp)
+{
+ vl_api_set_ip_flow_hash_reply_t *rmp;
+ int rv;
+ u32 table_id;
+ flow_hash_config_t flow_hash_config = 0;
+
+ table_id = ntohl (mp->vrf_id);
+
+#define _(a,b) if (mp->a) flow_hash_config |= b;
+ foreach_flow_hash_bit;
+#undef _
+
+ rv = vnet_set_ip4_flow_hash (table_id, flow_hash_config);
+
+ REPLY_MACRO (VL_API_SET_IP_FLOW_HASH_REPLY);
+}
+
+
+static void
+vl_api_set_ip_flow_hash_t_handler (vl_api_set_ip_flow_hash_t * mp)
+{
+ if (mp->is_ipv6 == 0)
+ set_ip4_flow_hash (mp);
+ else
+ set_ip6_flow_hash (mp);
+}
+
+static void
+ vl_api_sw_interface_ip6nd_ra_config_t_handler
+ (vl_api_sw_interface_ip6nd_ra_config_t * mp)
+{
+ vl_api_sw_interface_ip6nd_ra_config_reply_t *rmp;
+ vlib_main_t *vm = vlib_get_main ();
+ int rv = 0;
+ u8 is_no, suppress, managed, other, ll_option, send_unicast, cease,
+ default_router;
+
+ is_no = mp->is_no == 1;
+ suppress = mp->suppress == 1;
+ managed = mp->managed == 1;
+ other = mp->other == 1;
+ ll_option = mp->ll_option == 1;
+ send_unicast = mp->send_unicast == 1;
+ cease = mp->cease == 1;
+ default_router = mp->default_router == 1;
+
+ VALIDATE_SW_IF_INDEX (mp);
+
+ rv = ip6_neighbor_ra_config (vm, ntohl (mp->sw_if_index),
+ suppress, managed, other,
+ ll_option, send_unicast, cease,
+ default_router, ntohl (mp->lifetime),
+ ntohl (mp->initial_count),
+ ntohl (mp->initial_interval),
+ ntohl (mp->max_interval),
+ ntohl (mp->min_interval), is_no);
+
+ BAD_SW_IF_INDEX_LABEL;
+
+ REPLY_MACRO (VL_API_SW_INTERFACE_IP6ND_RA_CONFIG_REPLY);
+}
+
+static void
+ vl_api_sw_interface_ip6nd_ra_prefix_t_handler
+ (vl_api_sw_interface_ip6nd_ra_prefix_t * mp)
+{
+ vlib_main_t *vm = vlib_get_main ();
+ vl_api_sw_interface_ip6nd_ra_prefix_reply_t *rmp;
+ int rv = 0;
+ u8 is_no, use_default, no_advertise, off_link, no_autoconfig, no_onlink;
+
+ VALIDATE_SW_IF_INDEX (mp);
+
+ is_no = mp->is_no == 1;
+ use_default = mp->use_default == 1;
+ no_advertise = mp->no_advertise == 1;
+ off_link = mp->off_link == 1;
+ no_autoconfig = mp->no_autoconfig == 1;
+ no_onlink = mp->no_onlink == 1;
+
+ rv = ip6_neighbor_ra_prefix (vm, ntohl (mp->sw_if_index),
+ (ip6_address_t *) mp->address,
+ mp->address_length, use_default,
+ ntohl (mp->val_lifetime),
+ ntohl (mp->pref_lifetime), no_advertise,
+ off_link, no_autoconfig, no_onlink, is_no);
+
+ BAD_SW_IF_INDEX_LABEL;
+ REPLY_MACRO (VL_API_SW_INTERFACE_IP6ND_RA_PREFIX_REPLY);
+}
+
+static void
+send_ip6nd_proxy_details (vl_api_registration_t * reg,
+ u32 context,
+ const ip46_address_t * addr, u32 sw_if_index)
+{
+ vl_api_ip6nd_proxy_details_t *mp;
+
+ mp = vl_msg_api_alloc (sizeof (*mp));
+ memset (mp, 0, sizeof (*mp));
+ mp->_vl_msg_id = ntohs (VL_API_IP6ND_PROXY_DETAILS);
+ mp->context = context;
+ mp->sw_if_index = htonl (sw_if_index);
+ memcpy (mp->address, addr, 16);
+
+ vl_api_send_msg (reg, (u8 *) mp);
+}
+
+typedef struct api_ip6nd_proxy_fib_table_walk_ctx_t_
+{
+ u32 *indices;
+} api_ip6nd_proxy_fib_table_walk_ctx_t;
+
+static fib_table_walk_rc_t
+api_ip6nd_proxy_fib_table_walk (fib_node_index_t fei, void *arg)
+{
+ api_ip6nd_proxy_fib_table_walk_ctx_t *ctx = arg;
+
+ if (fib_entry_is_sourced (fei, FIB_SOURCE_IP6_ND_PROXY))
+ {
+ vec_add1 (ctx->indices, fei);
+ }
+
+ return (FIB_TABLE_WALK_CONTINUE);
+}
+
+static void
+vl_api_ip6nd_proxy_dump_t_handler (vl_api_ip6nd_proxy_dump_t * mp)
+{
+ ip6_main_t *im6 = &ip6_main;
+ fib_table_t *fib_table;
+ api_ip6nd_proxy_fib_table_walk_ctx_t ctx = {
+ .indices = NULL,
+ };
+ fib_node_index_t *feip;
+ const fib_prefix_t *pfx;
+ vl_api_registration_t *reg;
+
+ reg = vl_api_client_index_to_registration (mp->client_index);
+ if (!reg)
+ return;
+
+ /* *INDENT-OFF* */
+ pool_foreach (fib_table, im6->fibs,
+ ({
+ fib_table_walk(fib_table->ft_index,
+ FIB_PROTOCOL_IP6,
+ api_ip6nd_proxy_fib_table_walk,
+ &ctx);
+ }));
+ /* *INDENT-ON* */
+
+ vec_sort_with_function (ctx.indices, fib_entry_cmp_for_sort);
+
+ vec_foreach (feip, ctx.indices)
+ {
+ pfx = fib_entry_get_prefix (*feip);
+
+ send_ip6nd_proxy_details (reg,
+ mp->context,
+ &pfx->fp_addr,
+ fib_entry_get_resolving_interface (*feip));
+ }
+
+ vec_free (ctx.indices);
+}
+
+static void
+vl_api_ip6nd_proxy_add_del_t_handler (vl_api_ip6nd_proxy_add_del_t * mp)
+{
+ vl_api_ip6nd_proxy_add_del_reply_t *rmp;
+ int rv = 0;
+
+ VALIDATE_SW_IF_INDEX (mp);
+
+ rv = ip6_neighbor_proxy_add_del (ntohl (mp->sw_if_index),
+ (ip6_address_t *) mp->address, mp->is_del);
+
+ BAD_SW_IF_INDEX_LABEL;
+ REPLY_MACRO (VL_API_IP6ND_PROXY_ADD_DEL_REPLY);
+}
+
+static void
+ vl_api_ip6nd_send_router_solicitation_t_handler
+ (vl_api_ip6nd_send_router_solicitation_t * mp)
+{
+ vl_api_ip6nd_send_router_solicitation_reply_t *rmp;
+ icmp6_send_router_solicitation_params_t params;
+ vlib_main_t *vm = vlib_get_main ();
+ int rv = 0;
+
+ VALIDATE_SW_IF_INDEX (mp);
+
+ BAD_SW_IF_INDEX_LABEL;
+ REPLY_MACRO (VL_API_IP6ND_SEND_ROUTER_SOLICITATION_REPLY);
+
+ if (rv != 0)
+ return;
+
+ params.irt = ntohl (mp->irt);
+ params.mrt = ntohl (mp->mrt);
+ params.mrc = ntohl (mp->mrc);
+ params.mrd = ntohl (mp->mrd);
+
+ icmp6_send_router_solicitation (vm, ntohl (mp->sw_if_index), mp->stop,
+ ¶ms);
+}
+
+static void
+ vl_api_sw_interface_ip6_enable_disable_t_handler
+ (vl_api_sw_interface_ip6_enable_disable_t * mp)
+{
+ vlib_main_t *vm = vlib_get_main ();
+ vl_api_sw_interface_ip6_enable_disable_reply_t *rmp;
+ vnet_main_t *vnm = vnet_get_main ();
+ int rv = 0;
+ clib_error_t *error;
+
+ vnm->api_errno = 0;
+
+ VALIDATE_SW_IF_INDEX (mp);
+
+ error =
+ (mp->enable == 1) ? enable_ip6_interface (vm,
+ ntohl (mp->sw_if_index)) :
+ disable_ip6_interface (vm, ntohl (mp->sw_if_index));
+
+ if (error)
+ {
+ clib_error_report (error);
+ rv = VNET_API_ERROR_UNSPECIFIED;
+ }
+ else
+ {
+ rv = vnm->api_errno;
+ }
+
+ BAD_SW_IF_INDEX_LABEL;
+
+ REPLY_MACRO (VL_API_SW_INTERFACE_IP6_ENABLE_DISABLE_REPLY);
+}
+
+static void
+ vl_api_sw_interface_ip6_set_link_local_address_t_handler
+ (vl_api_sw_interface_ip6_set_link_local_address_t * mp)
+{
+ vlib_main_t *vm = vlib_get_main ();
+ vl_api_sw_interface_ip6_set_link_local_address_reply_t *rmp;
+ int rv = 0;
+ clib_error_t *error;
+ vnet_main_t *vnm = vnet_get_main ();
+
+ vnm->api_errno = 0;
+
+ VALIDATE_SW_IF_INDEX (mp);
+
+ error = set_ip6_link_local_address (vm,
+ ntohl (mp->sw_if_index),
+ (ip6_address_t *) mp->address);
+ if (error)
+ {
+ clib_error_report (error);
+ rv = VNET_API_ERROR_UNSPECIFIED;
+ }
+ else
+ {
+ rv = vnm->api_errno;
+ }
+
+ BAD_SW_IF_INDEX_LABEL;
+
+ REPLY_MACRO (VL_API_SW_INTERFACE_IP6_SET_LINK_LOCAL_ADDRESS_REPLY);
+}
+
+void
+vl_mfib_signal_send_one (vl_api_registration_t * reg,
+ u32 context, const mfib_signal_t * mfs)
+{
+ vl_api_mfib_signal_details_t *mp;
+ mfib_prefix_t prefix;
+ mfib_table_t *mfib;
+ mfib_itf_t *mfi;
+
+ mp = vl_msg_api_alloc (sizeof (*mp));
+
+ memset (mp, 0, sizeof (*mp));
+ mp->_vl_msg_id = ntohs (VL_API_MFIB_SIGNAL_DETAILS);
+ mp->context = context;
+
+ mfi = mfib_itf_get (mfs->mfs_itf);
+ mfib_entry_get_prefix (mfs->mfs_entry, &prefix);
+ mfib = mfib_table_get (mfib_entry_get_fib_index (mfs->mfs_entry),
+ prefix.fp_proto);
+ mp->table_id = ntohl (mfib->mft_table_id);
+ mp->sw_if_index = ntohl (mfi->mfi_sw_if_index);
+
+ if (FIB_PROTOCOL_IP4 == prefix.fp_proto)
+ {
+ mp->grp_address_len = ntohs (prefix.fp_len);
+
+ memcpy (mp->grp_address, &prefix.fp_grp_addr.ip4, 4);
+ if (prefix.fp_len > 32)
+ {
+ memcpy (mp->src_address, &prefix.fp_src_addr.ip4, 4);
+ }
+ }
+ else
+ {
+ mp->grp_address_len = ntohs (prefix.fp_len);
+
+ ASSERT (0);
+ }
+
+ if (0 != mfs->mfs_buffer_len)
+ {
+ mp->ip_packet_len = ntohs (mfs->mfs_buffer_len);
+
+ memcpy (mp->ip_packet_data, mfs->mfs_buffer, mfs->mfs_buffer_len);
+ }
+ else
+ {
+ mp->ip_packet_len = 0;
+ }
+
+ vl_api_send_msg (reg, (u8 *) mp);
+}
+
+static void
+vl_api_mfib_signal_dump_t_handler (vl_api_mfib_signal_dump_t * mp)
+{
+ vl_api_registration_t *reg;
+
+ reg = vl_api_client_index_to_registration (mp->client_index);
+ if (!reg)
+ return;
+
+ while (vl_api_can_send_msg (reg) && mfib_signal_send_one (reg, mp->context))
+ ;
+}
+
+static void
+ vl_api_ip_container_proxy_add_del_t_handler
+ (vl_api_ip_container_proxy_add_del_t * mp)
+{
+ vl_api_ip_container_proxy_add_del_reply_t *rmp;
+ vnet_ip_container_proxy_args_t args;
+ int rv = 0;
+ clib_error_t *error;
+
+ memset (&args, 0, sizeof (args));
+ ip_set (&args.prefix.fp_addr, mp->ip, mp->is_ip4);
+ args.prefix.fp_len = mp->plen ? mp->plen : (mp->is_ip4 ? 32 : 128);
+ args.sw_if_index = clib_net_to_host_u32 (mp->sw_if_index);
+ args.is_add = mp->is_add;
+ if ((error = vnet_ip_container_proxy_add_del (&args)))
+ {
+ rv = clib_error_get_code (error);
+ clib_error_report (error);
+ }
+
+ REPLY_MACRO (VL_API_IP_CONTAINER_PROXY_ADD_DEL_REPLY);
+}
+
+typedef struct ip_container_proxy_walk_ctx_t_
+{
+ vl_api_registration_t *reg;
+ u32 context;
+} ip_container_proxy_walk_ctx_t;
+
+static int
+ip_container_proxy_send_details (const fib_prefix_t * pfx, u32 sw_if_index,
+ void *args)
+{
+ vl_api_ip_container_proxy_details_t *mp;
+ ip_container_proxy_walk_ctx_t *ctx = args;
+
+ mp = vl_msg_api_alloc (sizeof (*mp));
+ if (!mp)
+ return 1;
+
+ memset (mp, 0, sizeof (*mp));
+ mp->_vl_msg_id = ntohs (VL_API_IP_CONTAINER_PROXY_DETAILS);
+ mp->context = ctx->context;
+
+ mp->sw_if_index = ntohl (sw_if_index);
+ ip_prefix_encode (pfx, &mp->prefix);
+
+ vl_api_send_msg (ctx->reg, (u8 *) mp);
+
+ return 1;
+}
+
+static void
+vl_api_ip_container_proxy_dump_t_handler (vl_api_ip_container_proxy_dump_t *
+ mp)
+{
+ vl_api_registration_t *reg;
+
+ reg = vl_api_client_index_to_registration (mp->client_index);
+ if (!reg)
+ return;
+
+ ip_container_proxy_walk_ctx_t ctx = {
+ .context = mp->context,
+ .reg = reg,
+ };
+
+ ip_container_proxy_walk (ip_container_proxy_send_details, &ctx);
+}
+
+static void
+vl_api_ioam_enable_t_handler (vl_api_ioam_enable_t * mp)
+{
+ int rv = 0;
+ vl_api_ioam_enable_reply_t *rmp;
+ clib_error_t *error;
+
+ /* Ignoring the profile id as currently a single profile
+ * is supported */
+ error = ip6_ioam_enable (mp->trace_enable, mp->pot_enable,
+ mp->seqno, mp->analyse);
+ if (error)
+ {
+ clib_error_report (error);
+ rv = clib_error_get_code (error);
+ }
+
+ REPLY_MACRO (VL_API_IOAM_ENABLE_REPLY);
+}
+
+static void
+vl_api_ioam_disable_t_handler (vl_api_ioam_disable_t * mp)
+{
+ int rv = 0;
+ vl_api_ioam_disable_reply_t *rmp;
+ clib_error_t *error;
+
+ error = clear_ioam_rewrite_fn ();
+ if (error)
+ {
+ clib_error_report (error);
+ rv = clib_error_get_code (error);
+ }
+
+ REPLY_MACRO (VL_API_IOAM_DISABLE_REPLY);
+}
+
+static void
+ vl_api_ip_source_and_port_range_check_add_del_t_handler
+ (vl_api_ip_source_and_port_range_check_add_del_t * mp)
+{
+ vl_api_ip_source_and_port_range_check_add_del_reply_t *rmp;
+ int rv = 0;
+
+ u8 is_ipv6 = mp->is_ipv6;
+ u8 is_add = mp->is_add;
+ u8 mask_length = mp->mask_length;
+ ip4_address_t ip4_addr;
+ ip6_address_t ip6_addr;
+ u16 *low_ports = 0;
+ u16 *high_ports = 0;
+ u32 vrf_id;
+ u16 tmp_low, tmp_high;
+ u8 num_ranges;
+ int i;
+
+ // Validate port range
+ num_ranges = mp->number_of_ranges;
+ if (num_ranges > 32)
+ { // This is size of array in VPE.API
+ rv = VNET_API_ERROR_EXCEEDED_NUMBER_OF_RANGES_CAPACITY;
+ goto reply;
+ }
+
+ vec_reset_length (low_ports);
+ vec_reset_length (high_ports);
+
+ for (i = 0; i < num_ranges; i++)
+ {
+ tmp_low = mp->low_ports[i];
+ tmp_high = mp->high_ports[i];
+ // If tmp_low <= tmp_high then only need to check tmp_low = 0
+ // If tmp_low <= tmp_high then only need to check tmp_high > 65535
+ if (tmp_low > tmp_high || tmp_low == 0 || tmp_high > 65535)
+ {
+ rv = VNET_API_ERROR_INVALID_VALUE;
+ goto reply;
+ }
+ vec_add1 (low_ports, tmp_low);
+ vec_add1 (high_ports, tmp_high + 1);
+ }
+
+ // Validate mask_length
+ if ((is_ipv6 && mask_length > 128) || (!is_ipv6 && mask_length > 32))
+ {
+ rv = VNET_API_ERROR_ADDRESS_LENGTH_MISMATCH;
+ goto reply;
+ }
+
+ vrf_id = ntohl (mp->vrf_id);
+
+ if (vrf_id < 1)
+ {
+ rv = VNET_API_ERROR_INVALID_VALUE;
+ goto reply;
+ }
+
+
+ if (is_ipv6)
+ {
+ clib_memcpy (ip6_addr.as_u8, mp->address, sizeof (ip6_addr.as_u8));
+ rv = ip6_source_and_port_range_check_add_del (&ip6_addr,
+ mask_length,
+ vrf_id,
+ low_ports,
+ high_ports, is_add);
+ }
+ else
+ {
+ clib_memcpy (ip4_addr.data, mp->address, sizeof (ip4_addr));
+ rv = ip4_source_and_port_range_check_add_del (&ip4_addr,
+ mask_length,
+ vrf_id,
+ low_ports,
+ high_ports, is_add);
+ }
+
+reply:
+ vec_free (low_ports);
+ vec_free (high_ports);
+ REPLY_MACRO (VL_API_IP_SOURCE_AND_PORT_RANGE_CHECK_ADD_DEL_REPLY);
+}
+
+static void
+ vl_api_ip_source_and_port_range_check_interface_add_del_t_handler
+ (vl_api_ip_source_and_port_range_check_interface_add_del_t * mp)
+{
+ vlib_main_t *vm = vlib_get_main ();
+ vl_api_ip_source_and_port_range_check_interface_add_del_reply_t *rmp;
+ ip4_main_t *im = &ip4_main;
+ int rv;
+ u32 sw_if_index;
+ u32 fib_index[IP_SOURCE_AND_PORT_RANGE_CHECK_N_PROTOCOLS];
+ u32 vrf_id[IP_SOURCE_AND_PORT_RANGE_CHECK_N_PROTOCOLS];
+ uword *p = 0;
+ int i;
+
+ vrf_id[IP_SOURCE_AND_PORT_RANGE_CHECK_PROTOCOL_TCP_OUT] =
+ ntohl (mp->tcp_out_vrf_id);
+ vrf_id[IP_SOURCE_AND_PORT_RANGE_CHECK_PROTOCOL_UDP_OUT] =
+ ntohl (mp->udp_out_vrf_id);
+ vrf_id[IP_SOURCE_AND_PORT_RANGE_CHECK_PROTOCOL_TCP_IN] =
+ ntohl (mp->tcp_in_vrf_id);
+ vrf_id[IP_SOURCE_AND_PORT_RANGE_CHECK_PROTOCOL_UDP_IN] =
+ ntohl (mp->udp_in_vrf_id);
+
+
+ for (i = 0; i < IP_SOURCE_AND_PORT_RANGE_CHECK_N_PROTOCOLS; i++)
+ {
+ if (vrf_id[i] != 0 && vrf_id[i] != ~0)
+ {
+ p = hash_get (im->fib_index_by_table_id, vrf_id[i]);
+
+ if (p == 0)
+ {
+ rv = VNET_API_ERROR_INVALID_VALUE;
+ goto reply;
+ }
+
+ fib_index[i] = p[0];
+ }
+ else
+ fib_index[i] = ~0;
+ }
+ sw_if_index = ntohl (mp->sw_if_index);
+
+ VALIDATE_SW_IF_INDEX (mp);
+
+ rv =
+ set_ip_source_and_port_range_check (vm, fib_index, sw_if_index,
+ mp->is_add);
+
+ BAD_SW_IF_INDEX_LABEL;
+reply:
+
+ REPLY_MACRO (VL_API_IP_SOURCE_AND_PORT_RANGE_CHECK_INTERFACE_ADD_DEL_REPLY);
+}
+
+#define IP4_ARP_EVENT 3
+#define IP6_ND_EVENT 4
+
+static int arp_change_delete_callback (u32 pool_index, u8 * notused);
+static int nd_change_delete_callback (u32 pool_index, u8 * notused);
+static vlib_node_registration_t ip_resolver_process_node;
+
+static void
+handle_ip4_arp_event (u32 pool_index)
+{
+ vpe_api_main_t *vam = &vpe_api_main;
+ vnet_main_t *vnm = vam->vnet_main;
+ vlib_main_t *vm = vam->vlib_main;
+ vl_api_ip4_arp_event_t *event;
+ vl_api_ip4_arp_event_t *mp;
+ vl_api_registration_t *reg;
+
+ /* Client can cancel, die, etc. */
+ if (pool_is_free_index (vam->arp_events, pool_index))
+ return;
+
+ event = pool_elt_at_index (vam->arp_events, pool_index);
+
+ reg = vl_api_client_index_to_registration (event->client_index);
+ if (!reg)
+ {
+ (void) vnet_add_del_ip4_arp_change_event
+ (vnm, arp_change_delete_callback,
+ event->pid, &event->address,
+ ip_resolver_process_node.index, IP4_ARP_EVENT,
+ ~0 /* pool index, notused */ , 0 /* is_add */ );
+ return;
+ }
+
+ if (vl_api_can_send_msg (reg))
+ {
+ mp = vl_msg_api_alloc (sizeof (*mp));
+ clib_memcpy (mp, event, sizeof (*mp));
+ vl_api_send_msg (reg, (u8 *) mp);
+ }
+ else
+ {
+ static f64 last_time;
+ /*
+ * Throttle syslog msgs.
+ * It's pretty tempting to just revoke the registration...
+ */
+ if (vlib_time_now (vm) > last_time + 10.0)
+ {
+ clib_warning ("arp event for %U to pid %d: queue stuffed!",
+ format_ip4_address, &event->address, event->pid);
+ last_time = vlib_time_now (vm);
+ }
+ }
+}
+
+static void
+handle_ip6_nd_event (u32 pool_index)
+{
+ vpe_api_main_t *vam = &vpe_api_main;
+ vnet_main_t *vnm = vam->vnet_main;
+ vlib_main_t *vm = vam->vlib_main;
+ vl_api_ip6_nd_event_t *event;
+ vl_api_ip6_nd_event_t *mp;
+ vl_api_registration_t *reg;
+
+ /* Client can cancel, die, etc. */
+ if (pool_is_free_index (vam->nd_events, pool_index))
+ return;
+
+ event = pool_elt_at_index (vam->nd_events, pool_index);
+
+ reg = vl_api_client_index_to_registration (event->client_index);
+ if (!reg)
+ {
+ (void) vnet_add_del_ip6_nd_change_event
+ (vnm, nd_change_delete_callback,
+ event->pid, &event->address,
+ ip_resolver_process_node.index, IP6_ND_EVENT,
+ ~0 /* pool index, notused */ , 0 /* is_add */ );
+ return;
+ }
+
+ if (vl_api_can_send_msg (reg))
+ {
+ mp = vl_msg_api_alloc (sizeof (*mp));
+ clib_memcpy (mp, event, sizeof (*mp));
+ vl_api_send_msg (reg, (u8 *) mp);
+ }
+ else
+ {
+ static f64 last_time;
+ /*
+ * Throttle syslog msgs.
+ * It's pretty tempting to just revoke the registration...
+ */
+ if (vlib_time_now (vm) > last_time + 10.0)
+ {
+ clib_warning ("ip6 nd event for %U to pid %d: queue stuffed!",
+ format_ip6_address, &event->address, event->pid);
+ last_time = vlib_time_now (vm);
+ }
+ }
+}
+
+static uword
+resolver_process (vlib_main_t * vm,
+ vlib_node_runtime_t * rt, vlib_frame_t * f)
+{
+ volatile f64 timeout = 100.0;
+ volatile uword *event_data = 0;
+
+ while (1)
+ {
+ vlib_process_wait_for_event_or_clock (vm, timeout);
+
+ uword event_type =
+ vlib_process_get_events (vm, (uword **) & event_data);
+
+ int i;
+ switch (event_type)
+ {
+ case IP4_ARP_EVENT:
+ for (i = 0; i < vec_len (event_data); i++)
+ handle_ip4_arp_event (event_data[i]);
+ break;
+
+ case IP6_ND_EVENT:
+ for (i = 0; i < vec_len (event_data); i++)
+ handle_ip6_nd_event (event_data[i]);
+ break;
+
+ case ~0: /* timeout */
+ break;
+ }
+
+ vec_reset_length (event_data);
+ }
+ return 0; /* or not */
+}
+
+/* *INDENT-OFF* */
+VLIB_REGISTER_NODE (ip_resolver_process_node,static) = {
+ .function = resolver_process,
+ .type = VLIB_NODE_TYPE_PROCESS,
+ .name = "ip-route-resolver-process",
+};
+/* *INDENT-ON* */
+
+static int
+nd_change_data_callback (u32 pool_index, u8 * new_mac,
+ u32 sw_if_index, ip6_address_t * address)
+{
+ vpe_api_main_t *am = &vpe_api_main;
+ vl_api_ip6_nd_event_t *event;
+
+ if (pool_is_free_index (am->nd_events, pool_index))
+ return 1;
+
+ event = pool_elt_at_index (am->nd_events, pool_index);
+ if (eth_mac_equal (event->new_mac, new_mac) &&
+ sw_if_index == ntohl (event->sw_if_index))
+ {
+ return 1;
+ }
+
+ clib_memcpy (event->new_mac, new_mac, sizeof (event->new_mac));
+ event->sw_if_index = htonl (sw_if_index);
+ return 0;
+}
+
+static int
+arp_change_delete_callback (u32 pool_index, u8 * notused)
+{
+ vpe_api_main_t *am = &vpe_api_main;
+
+ if (pool_is_free_index (am->arp_events, pool_index))
+ return 1;
+
+ pool_put_index (am->arp_events, pool_index);
+ return 0;
+}
+
+static int
+nd_change_delete_callback (u32 pool_index, u8 * notused)
+{
+ vpe_api_main_t *am = &vpe_api_main;
+
+ if (pool_is_free_index (am->nd_events, pool_index))
+ return 1;
+
+ pool_put_index (am->nd_events, pool_index);
+ return 0;
+}
+
+static vlib_node_registration_t wc_arp_process_node;
+
+enum
+{ WC_ARP_REPORT, WC_ND_REPORT, RA_REPORT, REPORT_MAX };
+
+static uword
+wc_arp_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
+{
+ /* These cross the longjmp boundry (vlib_process_wait_for_event)
+ * and need to be volatile - to prevent them from being optimized into
+ * a register - which could change during suspension */
+
+ volatile wc_arp_report_t arp_prev = { 0 };
+ volatile wc_nd_report_t nd_prev = { 0 };
+ volatile f64 last_arp = vlib_time_now (vm);
+ volatile f64 last_nd = vlib_time_now (vm);
+
+ while (1)
+ {
+ vlib_process_wait_for_event (vm);
+ uword event_type = WC_ARP_REPORT;
+ void *event_data = vlib_process_get_event_data (vm, &event_type);
+
+ f64 now = vlib_time_now (vm);
+ int i;
+ if (event_type == WC_ARP_REPORT)
+ {
+ wc_arp_report_t *arp_events = event_data;
+ for (i = 0; i < vec_len (arp_events); i++)
+ {
+ /* discard dup event */
+ if (arp_prev.ip4 == arp_events[i].ip4 &&
+ eth_mac_equal ((u8 *) arp_prev.mac, arp_events[i].mac) &&
+ arp_prev.sw_if_index == arp_events[i].sw_if_index &&
+ (now - last_arp) < 10.0)
+ {
+ continue;
+ }
+ arp_prev = arp_events[i];
+ last_arp = now;
+ vpe_client_registration_t *reg;
+ /* *INDENT-OFF* */
+ pool_foreach(reg, vpe_api_main.wc_ip4_arp_events_registrations,
+ ({
+ vl_api_registration_t *vl_reg;
+ vl_reg = vl_api_client_index_to_registration (reg->client_index);
+ ASSERT (vl_reg != NULL);
+ if (reg && vl_api_can_send_msg (vl_reg))
+ {
+ vl_api_ip4_arp_event_t * event = vl_msg_api_alloc (sizeof *event);
+ memset (event, 0, sizeof *event);
+ event->_vl_msg_id = htons (VL_API_IP4_ARP_EVENT);
+ event->client_index = reg->client_index;
+ event->pid = reg->client_pid;
+ event->mac_ip = 1;
+ event->address = arp_events[i].ip4;
+ event->sw_if_index = htonl(arp_events[i].sw_if_index);
+ memcpy(event->new_mac, arp_events[i].mac, sizeof event->new_mac);
+ vl_api_send_msg (vl_reg, (u8 *) event);
+ }
+ }));
+ /* *INDENT-ON* */
+ }
+ }
+ else if (event_type == WC_ND_REPORT)
+ {
+ wc_nd_report_t *nd_events = event_data;
+ for (i = 0; i < vec_len (nd_events); i++)
+ {
+ /* discard dup event */
+ if (ip6_address_is_equal
+ ((ip6_address_t *) & nd_prev.ip6, &nd_events[i].ip6)
+ && eth_mac_equal ((u8 *) nd_prev.mac, nd_events[i].mac)
+ && nd_prev.sw_if_index == nd_events[i].sw_if_index
+ && (now - last_nd) < 10.0)
+ {
+ continue;
+ }
+ nd_prev = nd_events[i];
+ last_nd = now;
+ vpe_client_registration_t *reg;
+ /* *INDENT-OFF* */
+ pool_foreach(reg, vpe_api_main.wc_ip6_nd_events_registrations,
+ ({
+ vl_api_registration_t *vl_reg;
+ vl_reg = vl_api_client_index_to_registration (reg->client_index);
+ if (vl_reg && vl_api_can_send_msg (vl_reg))
+ {
+ vl_api_ip6_nd_event_t * event = vl_msg_api_alloc (sizeof *event);
+ memset (event, 0, sizeof *event);
+ event->_vl_msg_id = htons (VL_API_IP6_ND_EVENT);
+ event->client_index = reg->client_index;
+ event->pid = reg->client_pid;
+ event->mac_ip = 1;
+ memcpy(event->address, nd_events[i].ip6.as_u8, sizeof event->address);
+ event->sw_if_index = htonl(nd_events[i].sw_if_index);
+ memcpy(event->new_mac, nd_events[i].mac, sizeof event->new_mac);
+ vl_api_send_msg (vl_reg, (u8 *) event);
+ }
+ }));
+ /* *INDENT-ON* */
+ }
+ }
+ else if (event_type == RA_REPORT)
+ {
+ ra_report_t *ra_events = event_data;
+ for (i = 0; i < vec_len (ra_events); i++)
+ {
+ ip6_neighbor_public_main_t *npm = &ip6_neighbor_public_main;
+ call_ip6_neighbor_callbacks (&ra_events[i],
+ npm->ra_report_functions);
+
+ vpe_client_registration_t *reg;
+ /* *INDENT-OFF* */
+ pool_foreach(reg, vpe_api_main.ip6_ra_events_registrations,
+ ({
+ vl_api_registration_t *vl_reg;
+ vl_reg =
+ vl_api_client_index_to_registration (reg->client_index);
+ if (vl_reg && vl_api_can_send_msg (vl_reg))
+ {
+ u32 event_size =
+ sizeof (vl_api_ip6_ra_event_t) +
+ vec_len (ra_events[i].prefixes) *
+ sizeof (vl_api_ip6_ra_prefix_info_t);
+ vl_api_ip6_ra_event_t *event =
+ vl_msg_api_alloc (event_size);
+ memset (event, 0, event_size);
+ event->_vl_msg_id = htons (VL_API_IP6_RA_EVENT);
+ event->client_index = reg->client_index;
+ event->pid = reg->client_pid;
+
+ event->sw_if_index = clib_host_to_net_u32 (ra_events[i].sw_if_index);
+
+ memcpy (event->router_address, ra_events[i].router_address, 16);
+
+ event->current_hop_limit = ra_events[i].current_hop_limit;
+ event->flags = ra_events[i].flags;
+ event->router_lifetime_in_sec =
+ clib_host_to_net_u16 (ra_events
+ [i].router_lifetime_in_sec);
+ event->neighbor_reachable_time_in_msec =
+ clib_host_to_net_u32 (ra_events
+ [i].neighbor_reachable_time_in_msec);
+ event->time_in_msec_between_retransmitted_neighbor_solicitations
+ =
+ clib_host_to_net_u32 (ra_events
+ [i].time_in_msec_between_retransmitted_neighbor_solicitations);
+
+ event->n_prefixes =
+ clib_host_to_net_u32 (vec_len (ra_events[i].prefixes));
+ vl_api_ip6_ra_prefix_info_t *prefix =
+ (typeof (prefix)) event->prefixes;
+ u32 j;
+ for (j = 0; j < vec_len (ra_events[i].prefixes); j++)
+ {
+ ra_report_prefix_info_t *info =
+ &ra_events[i].prefixes[j];
+ memcpy (prefix->dst_address, info->dst_address.as_u8,
+ 16);
+ prefix->dst_address_length = info->dst_address_length;
+ prefix->flags = info->flags;
+ prefix->valid_time =
+ clib_host_to_net_u32 (info->valid_time);
+ prefix->preferred_time =
+ clib_host_to_net_u32 (info->preferred_time);
+ prefix++;
+ }
+
+ vl_api_send_msg (vl_reg, (u8 *) event);
+ }
+ }));
+ /* *INDENT-ON* */
+ vec_free (ra_events[i].prefixes);
+ }
+ }
+ vlib_process_put_event_data (vm, event_data);
+ }
+
+ return 0;
+}
+
+/* *INDENT-OFF* */
+VLIB_REGISTER_NODE (wc_arp_process_node,static) = {
+ .function = wc_arp_process,
+ .type = VLIB_NODE_TYPE_PROCESS,
+ .name = "wildcard-ip4-arp-publisher-process",
+};
+/* *INDENT-ON* */
+
+static int
+arp_change_data_callback (u32 pool_index, u8 * new_mac,
+ u32 sw_if_index, u32 address)
+{
+ vpe_api_main_t *am = &vpe_api_main;
+ vl_api_ip4_arp_event_t *event;
+
+ if (pool_is_free_index (am->arp_events, pool_index))
+ return 1;
+
+ event = pool_elt_at_index (am->arp_events, pool_index);
+ if (eth_mac_equal (event->new_mac, new_mac) &&
+ sw_if_index == ntohl (event->sw_if_index))
+ {
+ return 1;
+ }
+
+ clib_memcpy (event->new_mac, new_mac, sizeof (event->new_mac));
+ event->sw_if_index = htonl (sw_if_index);
+ return 0;
+}
+
+static void
+vl_api_want_ip4_arp_events_t_handler (vl_api_want_ip4_arp_events_t * mp)