summaryrefslogtreecommitdiffstats
path: root/plugins/ioam-plugin/ioam/lib-pot/pot_api.c
diff options
context:
space:
mode:
authorOle Troan <ot@cisco.com>2016-06-24 20:10:30 +0200
committerDave Barach <openvpp@barachs.net>2016-06-27 15:04:00 +0000
commitea3e1fc8754d7ebeca85ecc448b263f6ccb6ae6f (patch)
tree5aa3322e4bf45f2b621a5b62f58fdc8bd4d7bca1 /plugins/ioam-plugin/ioam/lib-pot/pot_api.c
parentaa6920e0a80d8271be1dda59f613a1d2b0e1d3e6 (diff)
Plugins: Clean up the plugin directory so that each plugin has its own
directory and GNU autotools setup. Change-Id: I6c59d1297389c9413db0c0b9bdf3b759080bf1b8 Signed-off-by: Ole Troan <ot@cisco.com>
Diffstat (limited to 'plugins/ioam-plugin/ioam/lib-pot/pot_api.c')
-rw-r--r--plugins/ioam-plugin/ioam/lib-pot/pot_api.c230
1 files changed, 230 insertions, 0 deletions
diff --git a/plugins/ioam-plugin/ioam/lib-pot/pot_api.c b/plugins/ioam-plugin/ioam/lib-pot/pot_api.c
new file mode 100644
index 00000000..95be9e02
--- /dev/null
+++ b/plugins/ioam-plugin/ioam/lib-pot/pot_api.c
@@ -0,0 +1,230 @@
+/*
+ * 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.
+ */
+/*
+ *------------------------------------------------------------------
+ * pot_api.c - Proof of Transit related APIs to create
+ * and maintain profiles
+ *------------------------------------------------------------------
+ */
+
+#include <vnet/vnet.h>
+#include <vnet/plugin/plugin.h>
+#include <ioam/lib-pot/pot_util.h>
+
+#include <vlibapi/api.h>
+#include <vlibmemory/api.h>
+#include <vlibsocket/api.h>
+
+/* define message IDs */
+#include <ioam/lib-pot/pot_msg_enum.h>
+
+/* define message structures */
+#define vl_typedefs
+#include <ioam/lib-pot/pot_all_api_h.h>
+#undef vl_typedefs
+
+/* define generated endian-swappers */
+#define vl_endianfun
+#include <ioam/lib-pot/pot_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 <ioam/lib-pot/pot_all_api_h.h>
+#undef vl_printfun
+
+/* Get the API version number */
+#define vl_api_version(n,v) static u32 api_version=(v);
+#include <ioam/lib-pot/pot_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 { \
+ unix_shared_memory_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 = ntohs((t)+sm->msg_id_base); \
+ rmp->context = mp->context; \
+ rmp->retval = ntohl(rv); \
+ \
+ vl_msg_api_send_shmem (q, (u8 *)&rmp); \
+} while(0);
+
+#define REPLY_MACRO2(t, body) \
+do { \
+ unix_shared_memory_queue_t * q; \
+ rv = vl_msg_api_pd_handler (mp, rv); \
+ 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 = ntohs((t)); \
+ rmp->context = mp->context; \
+ rmp->retval = ntohl(rv); \
+ do {body;} while (0); \
+ vl_msg_api_send_shmem (q, (u8 *)&rmp); \
+} while(0);
+
+/* List of message types that this plugin understands */
+
+#define foreach_pot_plugin_api_msg \
+_(POT_PROFILE_ADD, pot_profile_add) \
+_(POT_PROFILE_ACTIVATE, pot_profile_activate) \
+_(POT_PROFILE_DEL, pot_profile_del) \
+
+static void vl_api_pot_profile_add_t_handler
+(vl_api_pot_profile_add_t *mp)
+{
+ pot_main_t * sm = &pot_main;
+ int rv = 0;
+ vl_api_pot_profile_add_reply_t * rmp;
+ u8 id;
+ pot_profile *profile = NULL;
+ u8 *name = 0;
+
+ if (mp->list_name_len)
+ name = format(0, "%s", mp->list_name);
+
+ pot_profile_list_init(name);
+ id = mp->id;
+ profile = pot_profile_find(id);
+ if (profile) {
+ rv = pot_profile_create(profile,
+ clib_net_to_host_u64(mp->prime),
+ clib_net_to_host_u64(mp->polynomial_public),
+ clib_net_to_host_u64(mp->lpc),
+ clib_net_to_host_u64(mp->secret_share));
+ if (rv != 0)
+ goto ERROROUT;
+ if (1 == mp->validator)
+ (void)pot_set_validator(profile, clib_net_to_host_u64(mp->secret_key));
+ (void)pot_profile_set_bit_mask(profile, mp->max_bits);
+ } else {
+ rv = -3;
+ }
+ ERROROUT:
+ vec_free(name);
+ REPLY_MACRO(VL_API_POT_PROFILE_ADD_REPLY);
+}
+
+static void vl_api_pot_profile_activate_t_handler
+(vl_api_pot_profile_activate_t *mp)
+{
+ pot_main_t * sm = &pot_main;
+ int rv = 0;
+ vl_api_pot_profile_add_reply_t * rmp;
+ u8 id;
+ u8 *name = NULL;
+
+ if (mp->list_name_len)
+ name = format(0, "%s", mp->list_name);
+ if (!pot_profile_list_is_enabled(name)) {
+ rv = -1;
+ } else {
+ id = mp->id;
+ rv = pot_profile_set_active(id);
+ }
+
+ vec_free(name);
+ REPLY_MACRO(VL_API_POT_PROFILE_ACTIVATE_REPLY);
+}
+
+
+static void vl_api_pot_profile_del_t_handler
+(vl_api_pot_profile_del_t *mp)
+{
+ pot_main_t * sm = &pot_main;
+ int rv = 0;
+ vl_api_pot_profile_del_reply_t * rmp;
+
+ clear_pot_profiles();
+
+ REPLY_MACRO(VL_API_POT_PROFILE_DEL_REPLY);
+}
+
+
+/*
+ * This routine exists to convince the vlib plugin framework that
+ * we haven't accidentally copied a random .dll into the plugin directory.
+ *
+ * Also collects global variable pointers passed from the vpp engine
+ */
+
+clib_error_t *
+vlib_plugin_register (vlib_main_t * vm, vnet_plugin_handoff_t * h,
+ int from_early_init)
+{
+ pot_main_t * sm = &pot_main;
+ clib_error_t * error = 0;
+
+ sm->vlib_main = vm;
+ sm->vnet_main = h->vnet_main;
+ return error;
+}
+
+/* Set up the API message handling tables */
+static clib_error_t *
+pot_plugin_api_hookup (vlib_main_t *vm)
+{
+ pot_main_t * sm = &pot_main;
+#define _(N,n) \
+ vl_msg_api_set_handlers((VL_API_##N + sm->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_pot_plugin_api_msg;
+#undef _
+
+ return 0;
+}
+
+static clib_error_t * pot_init (vlib_main_t * vm)
+{
+ pot_main_t * sm = &pot_main;
+ clib_error_t * error = 0;
+ u8 * name;
+
+ bzero(sm, sizeof(pot_main));
+ (void)pot_util_init();
+ name = format (0, "pot_%08x%c", api_version, 0);
+
+ /* Ask for a correctly-sized block of API message decode slots */
+ sm->msg_id_base = vl_msg_api_get_msg_ids
+ ((char *) name, VL_MSG_FIRST_AVAILABLE);
+
+ error = pot_plugin_api_hookup (vm);
+
+ vec_free(name);
+
+ return error;
+}
+
+VLIB_INIT_FUNCTION (pot_init);