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-rw-r--r--src/plugins/lacp/lacp_api.c217
1 files changed, 217 insertions, 0 deletions
diff --git a/src/plugins/lacp/lacp_api.c b/src/plugins/lacp/lacp_api.c
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+++ b/src/plugins/lacp/lacp_api.c
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+/*
+ *------------------------------------------------------------------
+ * lacp_api.c - lacp api
+ *
+ * Copyright (c) 2017 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 <vlib/vlib.h>
+#include <vnet/ethernet/ethernet.h>
+#include <vlib/unix/unix.h>
+#include <lacp/node.h>
+
+#include <vlibapi/api.h>
+#include <vlibmemory/api.h>
+
+
+/* define message IDs */
+#include <lacp/lacp_msg_enum.h>
+
+/* define message structures */
+#define vl_typedefs
+#include <lacp/lacp_all_api_h.h>
+#undef vl_typedefs
+
+/* define generated endian-swappers */
+#define vl_endianfun
+#include <lacp/lacp_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 <lacp/lacp_all_api_h.h>
+#undef vl_printfun
+
+/* Get the API version number */
+#define vl_api_version(n,v) static u32 api_version=(v);
+#include <lacp/lacp_all_api_h.h>
+#undef vl_api_version
+
+/*
+ * A handy macro to set up a message reply.
+ * Assumes that the following variables are available:
+ * mp - pointer to request message
+ * rmp - pointer to reply message type
+ * rv - return value
+ */
+#define REPLY_MACRO(t) \
+do { \
+ svm_queue_t * q = \
+ vl_api_client_index_to_input_queue (mp->client_index); \
+ if (!q) \
+ return; \
+ \
+ rmp = vl_msg_api_alloc (sizeof (*rmp)); \
+ rmp->_vl_msg_id = htons ((t)+lm->msg_id_base); \
+ rmp->context = mp->context; \
+ rmp->retval = htonl (rv); \
+ \
+ vl_msg_api_send_shmem (q, (u8 *)&rmp); \
+} while(0);
+
+#define REPLY_MACRO2(t, body) \
+do { \
+ svm_queue_t * q = \
+ vl_api_client_index_to_input_queue (mp->client_index); \
+ if (!q) \
+ return; \
+ \
+ rmp = vl_msg_api_alloc (sizeof (*rmp)); \
+ rmp->_vl_msg_id = htons ((t)+lm->msg_id_base); \
+ rmp->context = mp->context; \
+ rmp->retval = htonl (rv); \
+ do {body;} while (0); \
+ vl_msg_api_send_shmem (q, (u8 *)&rmp); \
+} while(0);
+
+#define foreach_lacp_plugin_api_msg \
+_(SW_INTERFACE_LACP_DUMP, sw_interface_lacp_dump)
+
+static void
+lacp_send_sw_interface_details (vl_api_registration_t * reg,
+ lacp_interface_details_t * lacp_if,
+ u32 context)
+{
+ lacp_main_t *lm = &lacp_main;
+ vl_api_sw_interface_lacp_details_t *mp;
+
+ mp = vl_msg_api_alloc (sizeof (*mp));
+ memset (mp, 0, sizeof (*mp));
+ mp->_vl_msg_id = htons (VL_API_SW_INTERFACE_LACP_DETAILS + lm->msg_id_base);
+ mp->sw_if_index = htonl (lacp_if->sw_if_index);
+
+ /* These fields in network order already */
+ mp->actor_system_priority = lacp_if->actor_system_priority;
+ mp->actor_key = lacp_if->actor_key;
+ mp->actor_port_priority = lacp_if->actor_port_priority;
+ mp->actor_port_number = lacp_if->actor_port_number;
+ mp->actor_state = lacp_if->actor_state;
+ clib_memcpy (mp->actor_system, lacp_if->actor_system, 6);
+ mp->partner_system_priority = lacp_if->partner_system_priority;
+ mp->partner_key = lacp_if->partner_key;
+ mp->partner_port_priority = lacp_if->partner_port_priority;
+ mp->partner_port_number = lacp_if->partner_port_number;
+ mp->partner_state = lacp_if->partner_state;
+
+ clib_memcpy (mp->partner_system, lacp_if->partner_system, 6);
+ clib_memcpy (mp->interface_name, lacp_if->interface_name,
+ MIN (ARRAY_LEN (mp->interface_name) - 1,
+ strlen ((const char *) lacp_if->interface_name)));
+ clib_memcpy (mp->bond_interface_name, lacp_if->bond_interface_name,
+ MIN (ARRAY_LEN (mp->bond_interface_name) - 1,
+ strlen ((const char *) lacp_if->bond_interface_name)));
+ mp->rx_state = htonl (lacp_if->rx_state);
+ mp->tx_state = htonl (lacp_if->tx_state);
+ mp->mux_state = htonl (lacp_if->mux_state);
+ mp->ptx_state = htonl (lacp_if->ptx_state);
+
+ mp->context = context;
+ vl_api_send_msg (reg, (u8 *) mp);
+}
+
+/**
+ * @brief Message handler for lacp_dump API.
+ * @param mp vl_api_lacp_dump_t * mp the api message
+ */
+void
+vl_api_sw_interface_lacp_dump_t_handler (vl_api_sw_interface_lacp_dump_t * mp)
+{
+ int rv;
+ vl_api_registration_t *reg;
+ lacp_interface_details_t *lacpifs = NULL;
+ lacp_interface_details_t *lacp_if = NULL;
+
+ reg = vl_api_client_index_to_registration (mp->client_index);
+ if (!reg)
+ return;
+
+ rv = lacp_dump_ifs (&lacpifs);
+ if (rv)
+ return;
+
+ vec_foreach (lacp_if, lacpifs)
+ {
+ lacp_send_sw_interface_details (reg, lacp_if, mp->context);
+ }
+
+ vec_free (lacpifs);
+}
+
+#define vl_msg_name_crc_list
+#include <lacp/lacp_all_api_h.h>
+#undef vl_msg_name_crc_list
+
+static void
+setup_message_id_table (lacp_main_t * lm, api_main_t * am)
+{
+#define _(id,n,crc) \
+ vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id + lm->msg_id_base);
+ foreach_vl_msg_name_crc_lacp;
+#undef _
+}
+
+/* Set up the API message handling tables */
+clib_error_t *
+lacp_plugin_api_hookup (vlib_main_t * vm)
+{
+ lacp_main_t *lm = &lacp_main;
+ api_main_t *am = &api_main;
+ u8 *name;
+
+ /* Construct the API name */
+ name = format (0, "lacp_%08x%c", api_version, 0);
+
+ /* Ask for a correctly-sized block of API message decode slots */
+ lm->msg_id_base = vl_msg_api_get_msg_ids
+ ((char *) name, VL_MSG_FIRST_AVAILABLE);
+
+#define _(N,n) \
+ vl_msg_api_set_handlers((VL_API_##N + lm->msg_id_base), \
+ #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_lacp_plugin_api_msg;
+#undef _
+
+ /*
+ * Set up the (msg_name, crc, message-id) table
+ */
+ setup_message_id_table (lm, am);
+
+ vec_free (name);
+ return 0;
+}
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */