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-rw-r--r--vpp/vnet/main.c312
1 files changed, 312 insertions, 0 deletions
diff --git a/vpp/vnet/main.c b/vpp/vnet/main.c
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+++ b/vpp/vnet/main.c
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+/*
+ * Copyright (c) 2015 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 <vlib/unix/unix.h>
+#include <vnet/plugin/plugin.h>
+#include <vnet/ethernet/ethernet.h>
+
+#include <api/vpe_msg_enum.h>
+
+/** \mainpage Virtual Packet Edge Documentation
+ * \section intro_sec Introduction
+ *
+ * VPE is a specific vector packet processing application,
+ * designed to steer packets to/from tenant virtual machines.
+ *
+ */
+
+static clib_error_t *
+vpe_main_init (vlib_main_t * vm)
+{
+ clib_error_t * error = 0;
+ void vnet_library_plugin_reference(void);
+
+ if (CLIB_DEBUG > 0)
+ vlib_unix_cli_set_prompt ("DBGvpp# ");
+ else
+ vlib_unix_cli_set_prompt ("vpp# ");
+
+ vnet_library_plugin_reference();
+
+ if ((error = vlib_call_init_function (vm, pg_init)))
+ return error;
+ if ((error = vlib_call_init_function (vm, ip_main_init)))
+ return error;
+ if ((error = vlib_call_init_function (vm, osi_init)))
+ return error;
+ if ((error = vlib_call_init_function (vm, l2_init)))
+ return error;
+ if ((error = vlib_call_init_function (vm, ethernet_init)))
+ return error;
+ if ((error = vlib_call_init_function (vm, ethernet_arp_init)))
+ return error;
+ if ((error = vlib_call_init_function (vm, sr_init)))
+ return error;
+ if ((error = vlib_call_init_function (vm, map_init)))
+ return error;
+ if ((error = vlib_call_init_function (vm, sixrd_init)))
+ return error;
+ if ((error = vlib_call_init_function (vm, nsh_gre_init)))
+ return error;
+ if ((error = vlib_call_init_function (vm, nsh_vxlan_gpe_init)))
+ return error;
+ if ((error = vlib_call_init_function (vm, lisp_gpe_init)))
+ return error;
+
+#if DPDK == 0
+ if ((error = vlib_call_init_function (vm, ixge_init)))
+ return error;
+ if ((error = vlib_call_init_function (vm, ixgev_init)))
+ return error;
+ if ((error = vlib_call_init_function (vm, ige_init)))
+ return error;
+ if ((error = vlib_call_init_function (vm, vice_init)))
+ return error;
+#else
+ if ((error = vlib_call_init_function (vm, dpdk_init)))
+ return error;
+ if ((error = vlib_call_init_function (vm, vhost_user_init)))
+ return error;
+ if ((error = vlib_call_init_function (vm, ipsec_init)))
+ return error;
+#endif
+ if ((error = vlib_call_init_function (vm, vlibmemory_init)))
+ return error;
+ if ((error = vlib_call_init_function (vm, l2tp_init)))
+ return error;
+ if ((error = vlib_call_init_function (vm, gre_init)))
+ return error;
+ if ((error = vlib_call_init_function (vm, gre_interface_init)))
+ return error;
+ if ((error = vlib_call_init_function (vm, mpls_init)))
+ return error;
+ if ((error = vlib_call_init_function (vm, mpls_interface_init)))
+ return error;
+ if ((error = vlib_call_init_function (vm, dhcp_proxy_init)))
+ return error;
+ if ((error = vlib_call_init_function (vm, dhcpv6_proxy_init)))
+ return error;
+ if ((error = vlib_call_init_function (vm, tapcli_init)))
+ return error;
+ if ((error = vlib_call_init_function (vm, tuntap_init)))
+ return error;
+ if ((error = vlib_call_init_function (vm, gdb_func_init)))
+ return error;
+ if ((error = unix_physmem_init
+ (vm, 0 /* fail_if_physical_memory_not_present */)))
+ return error;
+ if ((error = vlib_call_init_function (vm, tuntap_init)))
+ return error;
+ if ((error = vlib_call_init_function (vm, sr_init)))
+ return error;
+ if ((error = vlib_call_init_function (vm, l2_classify_init)))
+ return error;
+ if ((error = vlib_call_init_function (vm, policer_init)))
+ return error;
+ if ((error = vlib_call_init_function (vm, vxlan_init)))
+ return error;
+ if ((error = vlib_call_init_function (vm, vcgn_init)))
+ return error;
+ if ((error = vlib_call_init_function (vm, li_init)))
+ return error;
+
+ return error;
+}
+
+VLIB_INIT_FUNCTION (vpe_main_init);
+
+/*
+ * Load plugins from /usr/lib/vpp_plugins by default
+ */
+char *vlib_plugin_path = "/usr/lib/vpp_plugins";
+
+void *vnet_get_handoff_structure (void)
+{
+ static vnet_plugin_handoff_t _rv, *rv = &_rv;
+
+ rv->vnet_main = vnet_get_main();
+ rv->ethernet_main = &ethernet_main;
+ return (void *)rv;
+}
+
+int main (int argc, char * argv[])
+{
+ int i;
+ void vl_msg_api_set_first_available_msg_id (u16);
+ uword main_heap_size = (1ULL << 30);
+ u8 * sizep;
+ u32 size;
+ void vlib_set_get_handoff_structure_cb (void *cb);
+
+ /*
+ * Look for and parse the "heapsize" config parameter.
+ * Manual since none of the clib infra has been bootstrapped yet.
+ *
+ * Format: heapsize <nn>[mM][gG]
+ */
+
+ for (i = 1; i < (argc-1); i++) {
+ if (!strncmp (argv[i], "plugin_path", 11)) {
+ if (i < (argc-1))
+ vlib_plugin_path = argv[++i];
+ } else if (!strncmp (argv[i], "heapsize", 8)) {
+ sizep = (u8 *) argv[i+1];
+ size = 0;
+ while (*sizep >= '0' && *sizep <= '9') {
+ size *= 10;
+ size += *sizep++ - '0';
+ }
+ if (size == 0) {
+ fprintf
+ (stderr,
+ "warning: heapsize parse error '%s', use default %lld\n",
+ argv[i], (long long int) main_heap_size);
+ goto defaulted;
+ }
+
+ main_heap_size = size;
+
+ if (*sizep == 'g' || *sizep == 'G')
+ main_heap_size <<= 30;
+ else if (*sizep == 'm' || *sizep == 'M')
+ main_heap_size <<= 20;
+ }
+ }
+
+defaulted:
+
+ /* Set up the plugin message ID allocator right now... */
+ vl_msg_api_set_first_available_msg_id (VL_MSG_FIRST_AVAILABLE);
+
+ /* Allocate main heap */
+ if (clib_mem_init (0, main_heap_size)) {
+ vlib_set_get_handoff_structure_cb (&vnet_get_handoff_structure);
+ return vlib_unix_main (argc, argv);
+ } else {
+ {
+ int rv __attribute__((unused)) =
+ write (2, "Main heap allocation failure!\r\n", 31);
+ }
+ return 1;
+ }
+}
+
+static clib_error_t *
+heapsize_config (vlib_main_t * vm, unformat_input_t * input)
+{
+ u32 junk;
+
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) {
+ if (unformat (input, "%dm", &junk)
+ || unformat (input, "%dM", &junk)
+ || unformat (input, "%dg", &junk)
+ || unformat (input, "%dG", &junk))
+ return 0;
+ else
+ return clib_error_return (0, "unknown input '%U'",
+ format_unformat_error, input);
+ }
+ return 0;
+}
+
+VLIB_CONFIG_FUNCTION (heapsize_config, "heapsize");
+
+static clib_error_t *
+plugin_path_config (vlib_main_t * vm, unformat_input_t * input)
+{
+ u8 * junk;
+
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) {
+ if (unformat (input, "%s", &junk)) {
+ vec_free(junk);
+ return 0;
+ }
+ else
+ return clib_error_return (0, "unknown input '%U'",
+ format_unformat_error, input);
+ }
+ return 0;
+}
+
+VLIB_CONFIG_FUNCTION (plugin_path_config, "plugin_path");
+
+void vl_msg_api_post_mortem_dump(void);
+
+void os_panic (void)
+{
+ vl_msg_api_post_mortem_dump();
+ abort ();
+}
+
+void vhost_user_unmap_all (void) __attribute__((weak));
+void vhost_user_unmap_all (void) { }
+
+void os_exit (int code)
+{
+ static int recursion_block;
+
+ if (code)
+ {
+ if (recursion_block)
+ abort();
+
+ recursion_block = 1;
+
+ vl_msg_api_post_mortem_dump();
+ vhost_user_unmap_all();
+ abort();
+ }
+ exit (code);
+}
+
+void vl_msg_api_barrier_sync(void)
+{
+ vlib_worker_thread_barrier_sync (vlib_get_main());
+}
+
+void vl_msg_api_barrier_release(void)
+{
+ vlib_worker_thread_barrier_release (vlib_get_main());
+}
+
+/* This application needs 1 thread stack for the stats pthread */
+u32 vlib_app_num_thread_stacks_needed (void)
+{
+ return 1;
+}
+
+#if CLIB_DEBUG > 0
+
+static clib_error_t *
+test_crash_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ u64 * p = (u64 *)0xdefec8ed;
+
+ *p = 0xdeadbeef;
+
+ /* Not so much... */
+ return 0;
+}
+
+VLIB_CLI_COMMAND (test_crash_command, static) = {
+ .path = "test crash",
+ .short_help = "crash the bus!",
+ .function = test_crash_command_fn,
+};
+
+#endif
+