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-rw-r--r--src/vnet/interface_api.c725
1 files changed, 725 insertions, 0 deletions
diff --git a/src/vnet/interface_api.c b/src/vnet/interface_api.c
new file mode 100644
index 00000000000..42fd14ee19d
--- /dev/null
+++ b/src/vnet/interface_api.c
@@ -0,0 +1,725 @@
+/*
+ *------------------------------------------------------------------
+ * interface_api.c - vnet interface api
+ *
+ * Copyright (c) 2016 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *------------------------------------------------------------------
+ */
+
+#include <vnet/vnet.h>
+#include <vlibmemory/api.h>
+
+#include <vnet/interface.h>
+#include <vnet/api_errno.h>
+#include <vnet/ethernet/ethernet.h>
+#include <vnet/ip/ip.h>
+#include <vnet/fib/fib_table.h>
+#include <vnet/l2/l2_vtr.h>
+#include <vnet/vnet_msg_enum.h>
+#include <vnet/fib/fib_api.h>
+
+#define vl_typedefs /* define message structures */
+#include <vnet/vnet_all_api_h.h>
+#undef vl_typedefs
+
+#define vl_endianfun /* define message structures */
+#include <vnet/vnet_all_api_h.h>
+#undef vl_endianfun
+
+/* instantiate all the print functions we know about */
+#define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
+#define vl_printfun
+#include <vnet/vnet_all_api_h.h>
+#undef vl_printfun
+
+#include <vlibapi/api_helper_macros.h>
+
+#define foreach_vpe_api_msg \
+_(SW_INTERFACE_SET_FLAGS, sw_interface_set_flags) \
+_(SW_INTERFACE_SET_MTU, sw_interface_set_mtu) \
+_(WANT_INTERFACE_EVENTS, want_interface_events) \
+_(SW_INTERFACE_DUMP, sw_interface_dump) \
+_(SW_INTERFACE_DETAILS, sw_interface_details) \
+_(SW_INTERFACE_ADD_DEL_ADDRESS, sw_interface_add_del_address) \
+_(SW_INTERFACE_SET_TABLE, sw_interface_set_table) \
+_(SW_INTERFACE_GET_TABLE, sw_interface_get_table) \
+_(SW_INTERFACE_SET_UNNUMBERED, sw_interface_set_unnumbered) \
+_(SW_INTERFACE_CLEAR_STATS, sw_interface_clear_stats) \
+_(SW_INTERFACE_TAG_ADD_DEL, sw_interface_tag_add_del)
+
+static void
+vl_api_sw_interface_set_flags_t_handler (vl_api_sw_interface_set_flags_t * mp)
+{
+ vl_api_sw_interface_set_flags_reply_t *rmp;
+ vnet_main_t *vnm = vnet_get_main ();
+ int rv = 0;
+ clib_error_t *error;
+ u16 flags;
+
+ VALIDATE_SW_IF_INDEX (mp);
+
+ flags = mp->admin_up_down ? VNET_SW_INTERFACE_FLAG_ADMIN_UP : 0;
+
+ error = vnet_sw_interface_set_flags (vnm, ntohl (mp->sw_if_index), flags);
+ if (error)
+ {
+ rv = -1;
+ clib_error_report (error);
+ }
+
+ BAD_SW_IF_INDEX_LABEL;
+ REPLY_MACRO (VL_API_SW_INTERFACE_SET_FLAGS_REPLY);
+}
+
+static void
+vl_api_sw_interface_set_mtu_t_handler (vl_api_sw_interface_set_mtu_t * mp)
+{
+ vl_api_sw_interface_set_mtu_reply_t *rmp;
+ vnet_main_t *vnm = vnet_get_main ();
+ u32 flags = ETHERNET_INTERFACE_FLAG_MTU;
+ u32 sw_if_index = ntohl (mp->sw_if_index);
+ u16 mtu = ntohs (mp->mtu);
+ ethernet_main_t *em = &ethernet_main;
+ int rv = 0;
+
+ VALIDATE_SW_IF_INDEX (mp);
+
+ vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, sw_if_index);
+ ethernet_interface_t *eif = ethernet_get_interface (em, sw_if_index);
+
+ if (!eif)
+ {
+ rv = VNET_API_ERROR_FEATURE_DISABLED;
+ goto bad_sw_if_index;
+ }
+
+ if (mtu < hi->min_supported_packet_bytes)
+ {
+ rv = VNET_API_ERROR_INVALID_VALUE;
+ goto bad_sw_if_index;
+ }
+
+ if (mtu > hi->max_supported_packet_bytes)
+ {
+ rv = VNET_API_ERROR_INVALID_VALUE;
+ goto bad_sw_if_index;
+ }
+
+ if (hi->max_packet_bytes != mtu)
+ {
+ hi->max_packet_bytes = mtu;
+ ethernet_set_flags (vnm, sw_if_index, flags);
+ }
+
+ BAD_SW_IF_INDEX_LABEL;
+ REPLY_MACRO (VL_API_SW_INTERFACE_SET_MTU_REPLY);
+}
+
+static void
+send_sw_interface_details (vpe_api_main_t * am,
+ unix_shared_memory_queue_t * q,
+ vnet_sw_interface_t * swif,
+ u8 * interface_name, u32 context)
+{
+ vl_api_sw_interface_details_t *mp;
+ vnet_main_t *vnm = vnet_get_main ();
+ vnet_hw_interface_t *hi;
+ u8 *tag;
+
+ hi = vnet_get_sup_hw_interface (am->vnet_main, swif->sw_if_index);
+
+ mp = vl_msg_api_alloc (sizeof (*mp));
+ memset (mp, 0, sizeof (*mp));
+ mp->_vl_msg_id = ntohs (VL_API_SW_INTERFACE_DETAILS);
+ mp->sw_if_index = ntohl (swif->sw_if_index);
+ mp->sup_sw_if_index = ntohl (swif->sup_sw_if_index);
+ mp->admin_up_down = (swif->flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) ? 1 : 0;
+ mp->link_up_down = (hi->flags & VNET_HW_INTERFACE_FLAG_LINK_UP) ? 1 : 0;
+ mp->link_duplex = ((hi->flags & VNET_HW_INTERFACE_FLAG_DUPLEX_MASK) >>
+ VNET_HW_INTERFACE_FLAG_DUPLEX_SHIFT);
+ mp->link_speed = ((hi->flags & VNET_HW_INTERFACE_FLAG_SPEED_MASK) >>
+ VNET_HW_INTERFACE_FLAG_SPEED_SHIFT);
+ mp->link_mtu = ntohs (hi->max_packet_bytes);
+ mp->context = context;
+
+ strncpy ((char *) mp->interface_name,
+ (char *) interface_name, ARRAY_LEN (mp->interface_name) - 1);
+
+ /* Send the L2 address for ethernet physical intfcs */
+ if (swif->sup_sw_if_index == swif->sw_if_index
+ && hi->hw_class_index == ethernet_hw_interface_class.index)
+ {
+ ethernet_main_t *em = ethernet_get_main (am->vlib_main);
+ ethernet_interface_t *ei;
+
+ ei = pool_elt_at_index (em->interfaces, hi->hw_instance);
+ ASSERT (sizeof (mp->l2_address) >= sizeof (ei->address));
+ clib_memcpy (mp->l2_address, ei->address, sizeof (ei->address));
+ mp->l2_address_length = ntohl (sizeof (ei->address));
+ }
+ else if (swif->sup_sw_if_index != swif->sw_if_index)
+ {
+ vnet_sub_interface_t *sub = &swif->sub;
+ mp->sub_id = ntohl (sub->id);
+ mp->sub_dot1ad = sub->eth.flags.dot1ad;
+ mp->sub_number_of_tags =
+ sub->eth.flags.one_tag + sub->eth.flags.two_tags * 2;
+ mp->sub_outer_vlan_id = ntohs (sub->eth.outer_vlan_id);
+ mp->sub_inner_vlan_id = ntohs (sub->eth.inner_vlan_id);
+ mp->sub_exact_match = sub->eth.flags.exact_match;
+ mp->sub_default = sub->eth.flags.default_sub;
+ mp->sub_outer_vlan_id_any = sub->eth.flags.outer_vlan_id_any;
+ mp->sub_inner_vlan_id_any = sub->eth.flags.inner_vlan_id_any;
+
+ /* vlan tag rewrite data */
+ u32 vtr_op = L2_VTR_DISABLED;
+ u32 vtr_push_dot1q = 0, vtr_tag1 = 0, vtr_tag2 = 0;
+
+ if (l2vtr_get (am->vlib_main, am->vnet_main, swif->sw_if_index,
+ &vtr_op, &vtr_push_dot1q, &vtr_tag1, &vtr_tag2) != 0)
+ {
+ // error - default to disabled
+ mp->vtr_op = ntohl (L2_VTR_DISABLED);
+ clib_warning ("cannot get vlan tag rewrite for sw_if_index %d",
+ swif->sw_if_index);
+ }
+ else
+ {
+ mp->vtr_op = ntohl (vtr_op);
+ mp->vtr_push_dot1q = ntohl (vtr_push_dot1q);
+ mp->vtr_tag1 = ntohl (vtr_tag1);
+ mp->vtr_tag2 = ntohl (vtr_tag2);
+ }
+ }
+
+ tag = vnet_get_sw_interface_tag (vnm, swif->sw_if_index);
+ if (tag)
+ strncpy ((char *) mp->tag, (char *) tag, ARRAY_LEN (mp->tag) - 1);
+
+ vl_msg_api_send_shmem (q, (u8 *) & mp);
+}
+
+static void
+vl_api_sw_interface_dump_t_handler (vl_api_sw_interface_dump_t * mp)
+{
+ vpe_api_main_t *am = &vpe_api_main;
+ vnet_sw_interface_t *swif;
+ vnet_interface_main_t *im = &am->vnet_main->interface_main;
+ u8 *filter_string = 0, *name_string = 0;
+ unix_shared_memory_queue_t *q;
+ char *strcasestr (char *, char *); /* lnx hdr file botch */
+
+ q = vl_api_client_index_to_input_queue (mp->client_index);
+
+ if (q == 0)
+ return;
+
+ if (mp->name_filter_valid)
+ {
+ mp->name_filter[ARRAY_LEN (mp->name_filter) - 1] = 0;
+ filter_string = format (0, "%s%c", mp->name_filter, 0);
+ }
+
+ /* *INDENT-OFF* */
+ pool_foreach (swif, im->sw_interfaces,
+ ({
+ name_string = format (name_string, "%U%c",
+ format_vnet_sw_interface_name,
+ am->vnet_main, swif, 0);
+
+ if (mp->name_filter_valid == 0 ||
+ strcasestr((char *) name_string, (char *) filter_string)) {
+
+ send_sw_interface_details (am, q, swif, name_string, mp->context);
+ }
+ _vec_len (name_string) = 0;
+ }));
+ /* *INDENT-ON* */
+
+ vec_free (name_string);
+ vec_free (filter_string);
+}
+
+static void
+ vl_api_sw_interface_add_del_address_t_handler
+ (vl_api_sw_interface_add_del_address_t * mp)
+{
+ vlib_main_t *vm = vlib_get_main ();
+ vl_api_sw_interface_add_del_address_reply_t *rmp;
+ int rv = 0;
+ u32 is_del;
+
+ VALIDATE_SW_IF_INDEX (mp);
+
+ is_del = mp->is_add == 0;
+
+ if (mp->del_all)
+ ip_del_all_interface_addresses (vm, ntohl (mp->sw_if_index));
+ else if (mp->is_ipv6)
+ ip6_add_del_interface_address (vm, ntohl (mp->sw_if_index),
+ (void *) mp->address,
+ mp->address_length, is_del);
+ else
+ ip4_add_del_interface_address (vm, ntohl (mp->sw_if_index),
+ (void *) mp->address,
+ mp->address_length, is_del);
+
+ BAD_SW_IF_INDEX_LABEL;
+
+ REPLY_MACRO (VL_API_SW_INTERFACE_ADD_DEL_ADDRESS_REPLY);
+}
+
+void stats_dslock_with_hint (int hint, int tag) __attribute__ ((weak));
+void
+stats_dslock_with_hint (int hint, int tag)
+{
+}
+
+void stats_dsunlock (void) __attribute__ ((weak));
+void
+stats_dsunlock (void)
+{
+}
+
+static void
+vl_api_sw_interface_set_table_t_handler (vl_api_sw_interface_set_table_t * mp)
+{
+ int rv = 0;
+ u32 table_id = ntohl (mp->vrf_id);
+ u32 sw_if_index = ntohl (mp->sw_if_index);
+ vl_api_sw_interface_set_table_reply_t *rmp;
+ u32 fib_index;
+
+ VALIDATE_SW_IF_INDEX (mp);
+
+ stats_dslock_with_hint (1 /* release hint */ , 4 /* tag */ );
+
+ if (mp->is_ipv6)
+ {
+ fib_index = fib_table_find_or_create_and_lock (FIB_PROTOCOL_IP6,
+ table_id);
+
+ vec_validate (ip6_main.fib_index_by_sw_if_index, sw_if_index);
+ ip6_main.fib_index_by_sw_if_index[sw_if_index] = fib_index;
+ }
+ else
+ {
+
+ fib_index = fib_table_find_or_create_and_lock (FIB_PROTOCOL_IP4,
+ table_id);
+
+ vec_validate (ip4_main.fib_index_by_sw_if_index, sw_if_index);
+ ip4_main.fib_index_by_sw_if_index[sw_if_index] = fib_index;
+ }
+ stats_dsunlock ();
+
+ BAD_SW_IF_INDEX_LABEL;
+
+ REPLY_MACRO (VL_API_SW_INTERFACE_SET_TABLE_REPLY);
+}
+
+static void
+send_sw_interface_get_table_reply (unix_shared_memory_queue_t * q,
+ u32 context, int retval, u32 vrf_id)
+{
+ vl_api_sw_interface_get_table_reply_t *mp;
+
+ mp = vl_msg_api_alloc (sizeof (*mp));
+ memset (mp, 0, sizeof (*mp));
+ mp->_vl_msg_id = ntohs (VL_API_SW_INTERFACE_GET_TABLE_REPLY);
+ mp->context = context;
+ mp->retval = htonl (retval);
+ mp->vrf_id = htonl (vrf_id);
+
+ vl_msg_api_send_shmem (q, (u8 *) & mp);
+}
+
+static void
+vl_api_sw_interface_get_table_t_handler (vl_api_sw_interface_get_table_t * mp)
+{
+ unix_shared_memory_queue_t *q;
+ fib_table_t *fib_table = 0;
+ u32 sw_if_index = ~0;
+ u32 fib_index = ~0;
+ u32 table_id = ~0;
+ fib_protocol_t fib_proto = FIB_PROTOCOL_IP4;
+ int rv = 0;
+
+ q = vl_api_client_index_to_input_queue (mp->client_index);
+ if (q == 0)
+ return;
+
+ VALIDATE_SW_IF_INDEX (mp);
+
+ sw_if_index = ntohl (mp->sw_if_index);
+
+ if (mp->is_ipv6)
+ fib_proto = FIB_PROTOCOL_IP6;
+
+ fib_index = fib_table_get_index_for_sw_if_index (fib_proto, sw_if_index);
+ if (fib_index != ~0)
+ {
+ fib_table = fib_table_get (fib_index, fib_proto);
+ table_id = fib_table->ft_table_id;
+ }
+
+ BAD_SW_IF_INDEX_LABEL;
+
+ send_sw_interface_get_table_reply (q, mp->context, rv, table_id);
+}
+
+static void vl_api_sw_interface_set_unnumbered_t_handler
+ (vl_api_sw_interface_set_unnumbered_t * mp)
+{
+ vl_api_sw_interface_set_unnumbered_reply_t *rmp;
+ int rv = 0;
+ vnet_sw_interface_t *si;
+ vnet_main_t *vnm = vnet_get_main ();
+ u32 sw_if_index, unnumbered_sw_if_index;
+
+ sw_if_index = ntohl (mp->sw_if_index);
+ unnumbered_sw_if_index = ntohl (mp->unnumbered_sw_if_index);
+
+ /*
+ * The API message field names are backwards from
+ * the underlying data structure names.
+ * It's not worth changing them now.
+ */
+ if (pool_is_free_index (vnm->interface_main.sw_interfaces,
+ unnumbered_sw_if_index))
+ {
+ rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
+ goto done;
+ }
+
+ /* Only check the "use loop0" field when setting the binding */
+ if (mp->is_add &&
+ pool_is_free_index (vnm->interface_main.sw_interfaces, sw_if_index))
+ {
+ rv = VNET_API_ERROR_INVALID_SW_IF_INDEX_2;
+ goto done;
+ }
+
+ si = vnet_get_sw_interface (vnm, unnumbered_sw_if_index);
+
+ if (mp->is_add)
+ {
+ si->flags |= VNET_SW_INTERFACE_FLAG_UNNUMBERED;
+ si->unnumbered_sw_if_index = sw_if_index;
+ ip4_sw_interface_enable_disable (unnumbered_sw_if_index, 1);
+ ip6_sw_interface_enable_disable (unnumbered_sw_if_index, 1);
+ }
+ else
+ {
+ si->flags &= ~(VNET_SW_INTERFACE_FLAG_UNNUMBERED);
+ si->unnumbered_sw_if_index = (u32) ~ 0;
+ ip4_sw_interface_enable_disable (unnumbered_sw_if_index, 0);
+ ip6_sw_interface_enable_disable (unnumbered_sw_if_index, 0);
+ }
+
+done:
+ REPLY_MACRO (VL_API_SW_INTERFACE_SET_UNNUMBERED_REPLY);
+}
+
+static void
+vl_api_sw_interface_clear_stats_t_handler (vl_api_sw_interface_clear_stats_t *
+ mp)
+{
+ vl_api_sw_interface_clear_stats_reply_t *rmp;
+
+ vnet_main_t *vnm = vnet_get_main ();
+ vnet_interface_main_t *im = &vnm->interface_main;
+ vlib_simple_counter_main_t *sm;
+ vlib_combined_counter_main_t *cm;
+ static vnet_main_t **my_vnet_mains;
+ int i, j, n_counters;
+ int rv = 0;
+
+ if (mp->sw_if_index != ~0)
+ VALIDATE_SW_IF_INDEX (mp);
+
+ vec_reset_length (my_vnet_mains);
+
+ for (i = 0; i < vec_len (vnet_mains); i++)
+ {
+ if (vnet_mains[i])
+ vec_add1 (my_vnet_mains, vnet_mains[i]);
+ }
+
+ if (vec_len (vnet_mains) == 0)
+ vec_add1 (my_vnet_mains, vnm);
+
+ n_counters = vec_len (im->combined_sw_if_counters);
+
+ for (j = 0; j < n_counters; j++)
+ {
+ for (i = 0; i < vec_len (my_vnet_mains); i++)
+ {
+ im = &my_vnet_mains[i]->interface_main;
+ cm = im->combined_sw_if_counters + j;
+ if (mp->sw_if_index == (u32) ~ 0)
+ vlib_clear_combined_counters (cm);
+ else
+ vlib_zero_combined_counter (cm, ntohl (mp->sw_if_index));
+ }
+ }
+
+ n_counters = vec_len (im->sw_if_counters);
+
+ for (j = 0; j < n_counters; j++)
+ {
+ for (i = 0; i < vec_len (my_vnet_mains); i++)
+ {
+ im = &my_vnet_mains[i]->interface_main;
+ sm = im->sw_if_counters + j;
+ if (mp->sw_if_index == (u32) ~ 0)
+ vlib_clear_simple_counters (sm);
+ else
+ vlib_zero_simple_counter (sm, ntohl (mp->sw_if_index));
+ }
+ }
+
+ BAD_SW_IF_INDEX_LABEL;
+
+ REPLY_MACRO (VL_API_SW_INTERFACE_CLEAR_STATS_REPLY);
+}
+
+#define API_LINK_STATE_EVENT 1
+#define API_ADMIN_UP_DOWN_EVENT 2
+
+static int
+event_data_cmp (void *a1, void *a2)
+{
+ uword *e1 = a1;
+ uword *e2 = a2;
+
+ return (word) e1[0] - (word) e2[0];
+}
+
+static void
+send_sw_interface_flags (vpe_api_main_t * am,
+ unix_shared_memory_queue_t * q,
+ vnet_sw_interface_t * swif)
+{
+ vl_api_sw_interface_set_flags_t *mp;
+ vnet_main_t *vnm = am->vnet_main;
+
+ vnet_hw_interface_t *hi = vnet_get_sup_hw_interface (vnm,
+ swif->sw_if_index);
+ mp = vl_msg_api_alloc (sizeof (*mp));
+ memset (mp, 0, sizeof (*mp));
+ mp->_vl_msg_id = ntohs (VL_API_SW_INTERFACE_SET_FLAGS);
+ mp->sw_if_index = ntohl (swif->sw_if_index);
+
+ mp->admin_up_down = (swif->flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) ? 1 : 0;
+ mp->link_up_down = (hi->flags & VNET_HW_INTERFACE_FLAG_LINK_UP) ? 1 : 0;
+ vl_msg_api_send_shmem (q, (u8 *) & mp);
+}
+
+static uword
+link_state_process (vlib_main_t * vm,
+ vlib_node_runtime_t * rt, vlib_frame_t * f)
+{
+ vpe_api_main_t *vam = &vpe_api_main;
+ vnet_main_t *vnm = vam->vnet_main;
+ vnet_sw_interface_t *swif;
+ uword *event_data = 0;
+ vpe_client_registration_t *reg;
+ int i;
+ u32 prev_sw_if_index;
+ unix_shared_memory_queue_t *q;
+
+ vam->link_state_process_up = 1;
+
+ while (1)
+ {
+ vlib_process_wait_for_event (vm);
+
+ /* Unified list of changed link or admin state sw_if_indices */
+ vlib_process_get_events_with_type
+ (vm, &event_data, API_LINK_STATE_EVENT);
+ vlib_process_get_events_with_type
+ (vm, &event_data, API_ADMIN_UP_DOWN_EVENT);
+
+ /* Sort, so we can eliminate duplicates */
+ vec_sort_with_function (event_data, event_data_cmp);
+
+ prev_sw_if_index = ~0;
+
+ for (i = 0; i < vec_len (event_data); i++)
+ {
+ /* Only one message per swif */
+ if (prev_sw_if_index == event_data[i])
+ continue;
+ prev_sw_if_index = event_data[i];
+
+ /* *INDENT-OFF* */
+ pool_foreach(reg, vam->interface_events_registrations,
+ ({
+ q = vl_api_client_index_to_input_queue (reg->client_index);
+ if (q)
+ {
+ /* sw_interface may be deleted already */
+ if (!pool_is_free_index (vnm->interface_main.sw_interfaces,
+ event_data[i]))
+ {
+ swif = vnet_get_sw_interface (vnm, event_data[i]);
+ send_sw_interface_flags (vam, q, swif);
+ }
+ }
+ }));
+ /* *INDENT-ON* */
+ }
+ vec_reset_length (event_data);
+ }
+
+ return 0;
+}
+
+static clib_error_t *link_up_down_function (vnet_main_t * vm, u32 hw_if_index,
+ u32 flags);
+static clib_error_t *admin_up_down_function (vnet_main_t * vm,
+ u32 hw_if_index, u32 flags);
+
+/* *INDENT-OFF* */
+VLIB_REGISTER_NODE (link_state_process_node,static) = {
+ .function = link_state_process,
+ .type = VLIB_NODE_TYPE_PROCESS,
+ .name = "vpe-link-state-process",
+};
+/* *INDENT-ON* */
+
+VNET_SW_INTERFACE_ADMIN_UP_DOWN_FUNCTION (admin_up_down_function);
+VNET_HW_INTERFACE_LINK_UP_DOWN_FUNCTION (link_up_down_function);
+
+static clib_error_t *
+link_up_down_function (vnet_main_t * vm, u32 hw_if_index, u32 flags)
+{
+ vpe_api_main_t *vam = &vpe_api_main;
+ vnet_hw_interface_t *hi = vnet_get_hw_interface (vm, hw_if_index);
+
+ if (vam->link_state_process_up)
+ vlib_process_signal_event (vam->vlib_main,
+ link_state_process_node.index,
+ API_LINK_STATE_EVENT, hi->sw_if_index);
+ return 0;
+}
+
+static clib_error_t *
+admin_up_down_function (vnet_main_t * vm, u32 sw_if_index, u32 flags)
+{
+ vpe_api_main_t *vam = &vpe_api_main;
+
+ /*
+ * Note: it's perfectly fair to set a subif admin up / admin down.
+ * Note the subtle distinction between this routine and the previous
+ * routine.
+ */
+ if (vam->link_state_process_up)
+ vlib_process_signal_event (vam->vlib_main,
+ link_state_process_node.index,
+ API_ADMIN_UP_DOWN_EVENT, sw_if_index);
+ return 0;
+}
+
+static void vl_api_sw_interface_tag_add_del_t_handler
+ (vl_api_sw_interface_tag_add_del_t * mp)
+{
+ vnet_main_t *vnm = vnet_get_main ();
+ vl_api_sw_interface_tag_add_del_reply_t *rmp;
+ int rv = 0;
+ u8 *tag;
+ u32 sw_if_index = ntohl (mp->sw_if_index);
+
+ VALIDATE_SW_IF_INDEX (mp);
+
+ if (mp->is_add)
+ {
+ if (mp->tag[0] == 0)
+ {
+ rv = VNET_API_ERROR_INVALID_VALUE;
+ goto out;
+ }
+
+ mp->tag[ARRAY_LEN (mp->tag) - 1] = 0;
+ tag = format (0, "%s%c", mp->tag, 0);
+ vnet_set_sw_interface_tag (vnm, tag, sw_if_index);
+ }
+ else
+ vnet_clear_sw_interface_tag (vnm, sw_if_index);
+
+ BAD_SW_IF_INDEX_LABEL;
+out:
+ REPLY_MACRO (VL_API_SW_INTERFACE_TAG_ADD_DEL_REPLY);
+}
+
+static void
+vl_api_sw_interface_details_t_handler (vl_api_sw_interface_details_t * mp)
+{
+ clib_warning ("BUG");
+}
+
+/*
+ * vpe_api_hookup
+ * Add vpe's API message handlers to the table.
+ * vlib has alread mapped shared memory and
+ * added the client registration handlers.
+ * See .../vlib-api/vlibmemory/memclnt_vlib.c:memclnt_process()
+ */
+#define vl_msg_name_crc_list
+#include <vnet/interface.api.h>
+#undef vl_msg_name_crc_list
+
+static void
+setup_message_id_table (api_main_t * am)
+{
+#define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
+ foreach_vl_msg_name_crc_interface;
+#undef _
+}
+
+pub_sub_handler (interface_events, INTERFACE_EVENTS);
+
+static clib_error_t *
+interface_api_hookup (vlib_main_t * vm)
+{
+ api_main_t *am = &api_main;
+
+#define _(N,n) \
+ vl_msg_api_set_handlers(VL_API_##N, #n, \
+ vl_api_##n##_t_handler, \
+ vl_noop_handler, \
+ vl_api_##n##_t_endian, \
+ vl_api_##n##_t_print, \
+ sizeof(vl_api_##n##_t), 1);
+ foreach_vpe_api_msg;
+#undef _
+
+ /*
+ * Set up the (msg_name, crc, message-id) table
+ */
+ setup_message_id_table (am);
+
+ return 0;
+}
+
+VLIB_API_INIT_FUNCTION (interface_api_hookup);
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */