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-rw-r--r--src/vnet/dhcp/dhcp_api.c253
1 files changed, 253 insertions, 0 deletions
diff --git a/src/vnet/dhcp/dhcp_api.c b/src/vnet/dhcp/dhcp_api.c
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index 00000000000..88b32b240f7
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+++ b/src/vnet/dhcp/dhcp_api.c
@@ -0,0 +1,253 @@
+/*
+ *------------------------------------------------------------------
+ * dhcp_api.c - dhcp 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/dhcp/proxy.h>
+#include <vnet/dhcp/client.h>
+#include <vnet/dhcpv6/proxy.h>
+
+#include <vnet/vnet_msg_enum.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 \
+_(DHCP_PROXY_CONFIG,dhcp_proxy_config) \
+_(DHCP_PROXY_CONFIG_2,dhcp_proxy_config_2) \
+_(DHCP_PROXY_SET_VSS,dhcp_proxy_set_vss) \
+_(DHCP_CLIENT_CONFIG, dhcp_client_config)
+
+static void
+dhcpv4_proxy_config (vl_api_dhcp_proxy_config_t * mp)
+{
+ vl_api_dhcp_proxy_config_reply_t *rmp;
+ int rv;
+
+ rv = dhcp_proxy_set_server ((ip4_address_t *) (&mp->dhcp_server),
+ (ip4_address_t *) (&mp->dhcp_src_address),
+ (u32) ntohl (mp->vrf_id),
+ (int) mp->insert_circuit_id,
+ (int) (mp->is_add == 0));
+
+ REPLY_MACRO (VL_API_DHCP_PROXY_CONFIG_REPLY);
+}
+
+
+static void
+dhcpv6_proxy_config (vl_api_dhcp_proxy_config_t * mp)
+{
+ vl_api_dhcp_proxy_config_reply_t *rmp;
+ int rv = -1;
+
+ rv = dhcpv6_proxy_set_server ((ip6_address_t *) (&mp->dhcp_server),
+ (ip6_address_t *) (&mp->dhcp_src_address),
+ (u32) ntohl (mp->vrf_id),
+ (int) mp->insert_circuit_id,
+ (int) (mp->is_add == 0));
+
+ REPLY_MACRO (VL_API_DHCP_PROXY_CONFIG_REPLY);
+}
+
+static void
+dhcpv4_proxy_config_2 (vl_api_dhcp_proxy_config_2_t * mp)
+{
+ vl_api_dhcp_proxy_config_reply_t *rmp;
+ int rv;
+
+ rv = dhcp_proxy_set_server_2 ((ip4_address_t *) (&mp->dhcp_server),
+ (ip4_address_t *) (&mp->dhcp_src_address),
+ (u32) ntohl (mp->rx_vrf_id),
+ (u32) ntohl (mp->server_vrf_id),
+ (int) mp->insert_circuit_id,
+ (int) (mp->is_add == 0));
+
+ REPLY_MACRO (VL_API_DHCP_PROXY_CONFIG_2_REPLY);
+}
+
+
+static void
+dhcpv6_proxy_config_2 (vl_api_dhcp_proxy_config_2_t * mp)
+{
+ vl_api_dhcp_proxy_config_reply_t *rmp;
+ int rv = -1;
+
+ rv = dhcpv6_proxy_set_server_2 ((ip6_address_t *) (&mp->dhcp_server),
+ (ip6_address_t *) (&mp->dhcp_src_address),
+ (u32) ntohl (mp->rx_vrf_id),
+ (u32) ntohl (mp->server_vrf_id),
+ (int) mp->insert_circuit_id,
+ (int) (mp->is_add == 0));
+
+ REPLY_MACRO (VL_API_DHCP_PROXY_CONFIG_2_REPLY);
+}
+
+
+static void
+vl_api_dhcp_proxy_set_vss_t_handler (vl_api_dhcp_proxy_set_vss_t * mp)
+{
+ vl_api_dhcp_proxy_set_vss_reply_t *rmp;
+ int rv;
+ if (!mp->is_ipv6)
+ rv = dhcp_proxy_set_option82_vss (ntohl (mp->tbl_id),
+ ntohl (mp->oui),
+ ntohl (mp->fib_id),
+ (int) mp->is_add == 0);
+ else
+ rv = dhcpv6_proxy_set_vss (ntohl (mp->tbl_id),
+ ntohl (mp->oui),
+ ntohl (mp->fib_id), (int) mp->is_add == 0);
+
+ REPLY_MACRO (VL_API_DHCP_PROXY_SET_VSS_REPLY);
+}
+
+
+static void vl_api_dhcp_proxy_config_t_handler
+ (vl_api_dhcp_proxy_config_t * mp)
+{
+ if (mp->is_ipv6 == 0)
+ dhcpv4_proxy_config (mp);
+ else
+ dhcpv6_proxy_config (mp);
+}
+
+void
+dhcp_compl_event_callback (u32 client_index, u32 pid, u8 * hostname,
+ u8 is_ipv6, u8 * host_address, u8 * router_address,
+ u8 * host_mac)
+{
+ unix_shared_memory_queue_t *q;
+ vl_api_dhcp_compl_event_t *mp;
+
+ q = vl_api_client_index_to_input_queue (client_index);
+ if (!q)
+ return;
+
+ mp = vl_msg_api_alloc (sizeof (*mp));
+ mp->client_index = client_index;
+ mp->pid = pid;
+ mp->is_ipv6 = is_ipv6;
+ clib_memcpy (&mp->hostname, hostname, vec_len (hostname));
+ mp->hostname[vec_len (hostname) + 1] = '\n';
+ clib_memcpy (&mp->host_address[0], host_address, 16);
+ clib_memcpy (&mp->router_address[0], router_address, 16);
+
+ if (NULL != host_mac)
+ clib_memcpy (&mp->host_mac[0], host_mac, 6);
+
+ mp->_vl_msg_id = ntohs (VL_API_DHCP_COMPL_EVENT);
+
+ vl_msg_api_send_shmem (q, (u8 *) & mp);
+}
+
+static void vl_api_dhcp_proxy_config_2_t_handler
+ (vl_api_dhcp_proxy_config_2_t * mp)
+{
+ if (mp->is_ipv6 == 0)
+ dhcpv4_proxy_config_2 (mp);
+ else
+ dhcpv6_proxy_config_2 (mp);
+}
+
+static void vl_api_dhcp_client_config_t_handler
+ (vl_api_dhcp_client_config_t * mp)
+{
+ vlib_main_t *vm = vlib_get_main ();
+ vl_api_dhcp_client_config_reply_t *rmp;
+ int rv = 0;
+
+ VALIDATE_SW_IF_INDEX (mp);
+
+ rv = dhcp_client_config (vm, ntohl (mp->sw_if_index),
+ mp->hostname, mp->is_add, mp->client_index,
+ mp->want_dhcp_event ? dhcp_compl_event_callback :
+ NULL, mp->pid);
+
+ BAD_SW_IF_INDEX_LABEL;
+
+ REPLY_MACRO (VL_API_DHCP_CLIENT_CONFIG_REPLY);
+}
+
+/*
+ * dhcp_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/vnet_all_api_h.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_dhcp;
+#undef _
+}
+
+static clib_error_t *
+dhcp_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 (dhcp_api_hookup);
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */