+++ /dev/null
-/*
- * 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.
- */
-/*
- *------------------------------------------------------------------
- * l2sess.c - simple MAC-swap API / debug CLI handling
- *------------------------------------------------------------------
- */
-
-#include <vnet/vnet.h>
-#include <vnet/plugin/plugin.h>
-#include <acl/l2sess.h>
-
-#include <vlibapi/api.h>
-#include <vlibmemory/api.h>
-#include <vlibsocket/api.h>
-#include <vppinfra/timing_wheel.h>
-
-#include <vnet/l2/l2_output.h>
-#include <vnet/l2/l2_input.h>
-
-void
-l2sess_vlib_plugin_register (vlib_main_t * vm, void* hh,
- int from_early_init)
-{
- l2sess_main_t *sm = &l2sess_main;
- vnet_plugin_handoff_t * h = hh;
- memset (sm, 0, sizeof (*sm));
-
- sm->vlib_main = vm;
- sm->vnet_main = h->vnet_main;
- sm->ethernet_main = h->ethernet_main;
-}
-
-void
-l2sess_init_next_features_input (vlib_main_t * vm, l2sess_main_t * sm)
-{
-#define _(node_name, node_var, is_out, is_ip6, is_track) \
- if (!is_out) feat_bitmap_init_next_nodes(vm, node_var.index, L2INPUT_N_FEAT, l2input_get_feat_names (), sm->node_var ## _input_next_node_index);
- foreach_l2sess_node
-#undef _
-}
-
-void
-l2sess_add_our_next_nodes (vlib_main_t * vm, l2sess_main_t * sm,
- u8 * prev_node_name, int add_output_nodes)
-{
- vlib_node_t *n;
- n = vlib_get_node_by_name (vm, prev_node_name);
-#define _(node_name, node_var, is_out, is_ip6, is_track) \
- if (is_out == add_output_nodes) { \
- u32 idx = vlib_node_add_next_with_slot(vm, n->index, node_var.index, ~0); \
- if (is_track) { \
- sm->next_slot_track_node_by_is_ip6_is_out[is_ip6][is_out] = idx; \
- } \
- }
- foreach_l2sess_node
-#undef _
-}
-
-void
-l2sess_setup_nodes (void)
-{
- vlib_main_t *vm = vlib_get_main ();
- l2sess_main_t *sm = &l2sess_main;
-
- l2sess_init_next_features_input (vm, sm);
-
- l2sess_add_our_next_nodes (vm, sm, (u8 *) "l2-input-classify", 0);
- l2sess_add_our_next_nodes (vm, sm, (u8 *) "l2-output-classify", 1);
-
-}
-
-static char *
-get_l4_proto_str (int is_ip6, uint8_t l4_proto)
-{
- switch (l4_proto)
- {
- case 6:
- return "tcp";
- case 17:
- return "udp";
- case 1:
- return "icmp";
- case 58:
- return "icmp6";
- default:
- return "<?l4-unknown?>";
- }
-}
-
-static clib_error_t *
-l2sess_show_command_fn (vlib_main_t * vm,
- unformat_input_t * input, vlib_cli_command_t * cmd)
-{
- l2sess_main_t *sm = &l2sess_main;
- clib_time_t *ct = &vm->clib_time;
- l2s_session_t *s;
- u64 now = clib_cpu_time_now ();
-
- vlib_cli_output (vm, "Timing wheel info: \n%U", format_timing_wheel,
- &sm->timing_wheel, 255);
-
- pool_foreach (s, sm->sessions, (
- {
- f64 ctime =
- (now -
- s->create_time) * ct->seconds_per_clock;
- f64 atime0 =
- (now -
- s->side[0].active_time) *
- ct->seconds_per_clock;
- f64 atime1 =
- (now -
- s->side[1].active_time) *
- ct->seconds_per_clock;
-/*
- f64 ctime = (s->create_time - vm->cpu_time_main_loop_start) * ct->seconds_per_clock;
- f64 atime0 = (s->side[0].active_time - vm->cpu_time_main_loop_start) * ct->seconds_per_clock;
- f64 atime1 = (s->side[1].active_time - vm->cpu_time_main_loop_start) * ct->seconds_per_clock;
-*/
- u8 * out0 =
- format (0,
- "%5d: create time: %U pkts/bytes/active time: [ %ld %ld %U : %ld %ld %U ]\n",
- (s - sm->sessions),
- format_time_interval, "h:m:s:u",
- ctime, s->side[0].n_packets,
- s->side[0].n_bytes,
- format_time_interval, "h:m:s:u",
- atime0, s->side[1].n_packets,
- s->side[1].n_bytes,
- format_time_interval, "h:m:s:u",
- atime1); u8 * out1 = 0;
- if (s->is_ip6)
- {
- out1 =
- format (0, "%s %U :%u <-> %U :%u",
- get_l4_proto_str (s->is_ip6,
- s->l4_proto),
- format_ip6_address,
- &s->side[0].addr.ip6,
- s->side[0].port,
- format_ip6_address,
- &s->side[1].addr.ip6,
- s->side[1].port);}
- else
- {
- out1 =
- format (0, "%s %U :%u <-> %U :%u",
- get_l4_proto_str (s->is_ip6,
- s->l4_proto),
- format_ip4_address,
- &s->side[0].addr.ip4,
- s->side[0].port,
- format_ip4_address,
- &s->side[1].addr.ip4,
- s->side[1].port);}
- vlib_cli_output (vm, "%s %s", out0,
- out1); vec_free (out0);
- vec_free (out1);}
- ));
- return 0;
-}
-
-static clib_error_t *
-l2sess_show_count_command_fn (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
-{
- l2sess_main_t *sm = &l2sess_main;
-
- vlib_cli_output (vm, "Timing wheel info: \n%U", format_timing_wheel,
- &sm->timing_wheel, 255);
- vlib_cli_output (vm, "session pool len: %d, pool elts: %d",
- pool_len (sm->sessions), pool_elts (sm->sessions));
- vlib_cli_output (vm,
- "attempted to delete sessions which were already free: %d",
- sm->counter_attempted_delete_free_session);
- return 0;
-}
-
-
-/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (l2sess_show_command, static) = {
- .path = "show l2sess",
- .short_help = "show l2sess",
- .function = l2sess_show_command_fn,
-};
-
-VLIB_CLI_COMMAND (l2sess_show_count_command, static) = {
- .path = "show l2sess count",
- .short_help = "show l2sess count",
- .function = l2sess_show_count_command_fn,
-};
-/* *INDENT-OFF* */
-
-static inline u64
-time_sec_to_clock( clib_time_t *ct, f64 sec)
-{
- return (u64)(((f64)sec)/ct->seconds_per_clock);
-}
-
-static clib_error_t * l2sess_init (vlib_main_t * vm)
-{
- l2sess_main_t * sm = &l2sess_main;
- clib_error_t * error = 0;
- u64 cpu_time_now = clib_cpu_time_now();
-
-
- clib_time_t *ct = &vm->clib_time;
- sm->udp_session_idle_timeout = time_sec_to_clock(ct, UDP_SESSION_IDLE_TIMEOUT_SEC);
- sm->tcp_session_idle_timeout = time_sec_to_clock(ct, TCP_SESSION_IDLE_TIMEOUT_SEC);
- sm->tcp_session_transient_timeout = time_sec_to_clock(ct, TCP_SESSION_TRANSIENT_TIMEOUT_SEC);
-
- /* The min sched time of 10e-1 causes erroneous behavior... */
- sm->timing_wheel.min_sched_time = 10e-2;
- sm->timing_wheel.max_sched_time = 3600.0*48.0;
- timing_wheel_init (&sm->timing_wheel, cpu_time_now, vm->clib_time.clocks_per_second);
- sm->timer_wheel_next_expiring_time = 0;
- sm->timer_wheel_tick = time_sec_to_clock(ct, sm->timing_wheel.min_sched_time);
- /* Pre-allocate expired nodes. */
- vec_alloc (sm->data_from_advancing_timing_wheel, 32);
-
- l2sess_setup_nodes();
- l2output_init_output_node_vec (&sm->output_next_nodes.output_node_index_vec);
-
- return error;
-}
-
-VLIB_INIT_FUNCTION (l2sess_init);
-
-
Code Review / vpp.git / blobdiff