summaryrefslogtreecommitdiffstats
path: root/plugins/ioam-plugin/ioam/encap
diff options
context:
space:
mode:
Diffstat (limited to 'plugins/ioam-plugin/ioam/encap')
-rw-r--r--plugins/ioam-plugin/ioam/encap/ip6_ioam_e2e.c232
-rw-r--r--plugins/ioam-plugin/ioam/encap/ip6_ioam_e2e.h47
-rw-r--r--plugins/ioam-plugin/ioam/encap/ip6_ioam_pot.c276
-rw-r--r--plugins/ioam-plugin/ioam/encap/ip6_ioam_seqno.c109
-rw-r--r--plugins/ioam-plugin/ioam/encap/ip6_ioam_seqno.h70
-rw-r--r--plugins/ioam-plugin/ioam/encap/ip6_ioam_seqno_analyse.c141
-rw-r--r--plugins/ioam-plugin/ioam/encap/ip6_ioam_trace.c438
7 files changed, 0 insertions, 1313 deletions
diff --git a/plugins/ioam-plugin/ioam/encap/ip6_ioam_e2e.c b/plugins/ioam-plugin/ioam/encap/ip6_ioam_e2e.c
deleted file mode 100644
index 0839cdceca7..00000000000
--- a/plugins/ioam-plugin/ioam/encap/ip6_ioam_e2e.c
+++ /dev/null
@@ -1,232 +0,0 @@
-/*
- * 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 <vlib/vlib.h>
-#include <vnet/vnet.h>
-#include <vnet/pg/pg.h>
-#include <vppinfra/error.h>
-
-#include <vnet/ip/ip.h>
-
-#include <vppinfra/hash.h>
-#include <vppinfra/error.h>
-#include <vppinfra/elog.h>
-
-#include <vnet/ip/ip6_hop_by_hop.h>
-#include <vnet/plugin/plugin.h>
-
-#include "ip6_ioam_e2e.h"
-
-ioam_e2e_main_t ioam_e2e_main;
-
-static u8 * ioam_e2e_trace_handler (u8 * s,
- ip6_hop_by_hop_option_t *opt)
-{
- ioam_e2e_option_t * e2e = (ioam_e2e_option_t *)opt;
- u32 seqno = 0;
-
- if (e2e)
- {
- seqno = clib_net_to_host_u32 (e2e->e2e_data);
- }
-
- s = format (s, "SeqNo = 0x%Lx", seqno);
- return s;
-}
-
-int
-ioam_e2e_config_handler (void *data, u8 disable)
-{
- int *analyse = data;
-
- /* Register hanlders if enabled */
- if (!disable)
- {
- /* If encap node register for encap handler */
- if (0 == *analyse)
- {
- if (ip6_hbh_register_option(HBH_OPTION_TYPE_IOAM_EDGE_TO_EDGE,
- ioam_seqno_encap_handler,
- ioam_e2e_trace_handler) < 0)
- {
- return (-1);
- }
- }
- /* If analyze node then register for decap handler */
- else
- {
- if (ip6_hbh_pop_register_option(HBH_OPTION_TYPE_IOAM_EDGE_TO_EDGE,
- ioam_seqno_decap_handler) < 0)
- {
- return (-1);
- }
- }
- return 0;
- }
-
- /* UnRegister handlers */
- (void) ip6_hbh_unregister_option(HBH_OPTION_TYPE_IOAM_EDGE_TO_EDGE);
- (void) ip6_hbh_pop_unregister_option(HBH_OPTION_TYPE_IOAM_EDGE_TO_EDGE);
- return 0;
-}
-
-int
-ioam_e2e_rewrite_handler (u8 *rewrite_string,
- u8 *rewrite_size)
-{
- ioam_e2e_option_t *e2e_option;
-
- if (rewrite_string && *rewrite_size == sizeof(ioam_e2e_option_t))
- {
- e2e_option = (ioam_e2e_option_t *)rewrite_string;
- e2e_option->hdr.type = HBH_OPTION_TYPE_IOAM_EDGE_TO_EDGE
- | HBH_OPTION_TYPE_SKIP_UNKNOWN;
- e2e_option->hdr.length = sizeof (ioam_e2e_option_t) -
- sizeof (ip6_hop_by_hop_option_t);
- return(0);
- }
- return(-1);
-}
-
-u32
-ioam_e2e_flow_handler (u32 ctx, u8 add)
-{
- ioam_e2e_data_t *data;
- u16 i;
-
- if (add)
- {
- pool_get(ioam_e2e_main.e2e_data, data);
- data->flow_ctx = ctx;
- ioam_seqno_init_bitmap(&data->seqno_data);
- return ((u32) (data - ioam_e2e_main.e2e_data));
- }
-
- /* Delete case */
- for (i = 0; i < vec_len(ioam_e2e_main.e2e_data); i++)
- {
- if (pool_is_free_index(ioam_e2e_main.e2e_data, i))
- continue;
-
- data = pool_elt_at_index(ioam_e2e_main.e2e_data, i);
- if (data && (data->flow_ctx == ctx))
- {
- pool_put_index(ioam_e2e_main.e2e_data, i);
- return (0);
- }
- }
- return 0;
-}
-
-static clib_error_t *
-ioam_show_e2e_cmd_fn (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
-{
- ioam_e2e_data_t *e2e_data;
- u8 *s = 0;
- int i;
-
- vec_reset_length(s);
-
- s = format(0, "IOAM E2E information: \n");
- for (i = 0; i < vec_len(ioam_e2e_main.e2e_data); i++)
- {
- if (pool_is_free_index(ioam_e2e_main.e2e_data, i))
- continue;
-
- e2e_data = pool_elt_at_index(ioam_e2e_main.e2e_data, i);
- s = format(s, "Flow name: %s\n", get_flow_name_from_flow_ctx(e2e_data->flow_ctx));
-
- s = show_ioam_seqno_cmd_fn(s,
- &e2e_data->seqno_data,
- !IOAM_DEAP_ENABLED(e2e_data->flow_ctx));
- }
-
- vlib_cli_output(vm, "%v", s);
- return 0;
-}
-
-
-VLIB_CLI_COMMAND (ioam_show_e2e_cmd, static) = {
- .path = "show ioam e2e ",
- .short_help = "show ioam e2e information",
- .function = ioam_show_e2e_cmd_fn,
-};
-
-/*
- * 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)
-{
- clib_error_t * error = 0;
-
- ioam_e2e_main.vlib_main = vm;
- ioam_e2e_main.vnet_main = h->vnet_main;
- return error;
-}
-
-/*
- * Init handler E2E headet handling.
- * Init hanlder registers encap, decap, trace and Rewrite handlers.
- */
-static clib_error_t *
-ioam_e2e_init (vlib_main_t * vm)
-{
- clib_error_t * error;
-
- if ((error = vlib_call_init_function (vm, ip6_hop_by_hop_ioam_init)))
- {
- return(error);
- }
-
- /*
- * As of now we have only PPC under E2E header.
- */
- if (ip6_hbh_config_handler_register(HBH_OPTION_TYPE_IOAM_EDGE_TO_EDGE,
- ioam_e2e_config_handler) < 0)
- {
- return (clib_error_create("Registration of "
- "HBH_OPTION_TYPE_IOAM_EDGE_TO_EDGE for rewrite failed"));
- }
-
- if (ip6_hbh_add_register_option(HBH_OPTION_TYPE_IOAM_EDGE_TO_EDGE,
- sizeof(ioam_e2e_option_t),
- ioam_e2e_rewrite_handler) < 0)
- {
- return (clib_error_create("Registration of "
- "HBH_OPTION_TYPE_IOAM_EDGE_TO_EDGE for rewrite failed"));
- }
-
- if (ip6_hbh_flow_handler_register(HBH_OPTION_TYPE_IOAM_EDGE_TO_EDGE,
- ioam_e2e_flow_handler) < 0)
- {
- return (clib_error_create("Registration of "
- "HBH_OPTION_TYPE_IOAM_EDGE_TO_EDGE Flow handler failed"));
- }
-
- return (0);
-}
-
-/*
- * Init function for the E2E lib.
- * ip6_hop_by_hop_ioam_e2e_init gets called during init.
- */
-VLIB_INIT_FUNCTION (ioam_e2e_init);
diff --git a/plugins/ioam-plugin/ioam/encap/ip6_ioam_e2e.h b/plugins/ioam-plugin/ioam/encap/ip6_ioam_e2e.h
deleted file mode 100644
index 18f35f80c60..00000000000
--- a/plugins/ioam-plugin/ioam/encap/ip6_ioam_e2e.h
+++ /dev/null
@@ -1,47 +0,0 @@
-/*
- * 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.
- */
-
-#ifndef __included_ip6_ioam_e2e_h__
-#define __included_ip6_ioam_e2e_h__
-
-#include "ip6_ioam_seqno.h"
-
-typedef struct ioam_e2e_data_t_ {
- u32 flow_ctx;
- u32 pad;
- ioam_seqno_data seqno_data;
-} ioam_e2e_data_t;
-
-typedef struct {
- ioam_e2e_data_t *e2e_data;
- vlib_main_t *vlib_main;
- vnet_main_t *vnet_main;
-} ioam_e2e_main_t;
-
-extern ioam_e2e_main_t ioam_e2e_main;
-
-static inline ioam_seqno_data *
-ioam_e2ec_get_seqno_data_from_flow_ctx (u32 flow_ctx)
-{
- ioam_e2e_data_t *data = NULL;
- u32 index;
-
- index = get_flow_data_from_flow_ctx(flow_ctx,
- HBH_OPTION_TYPE_IOAM_EDGE_TO_EDGE);
- data = &ioam_e2e_main.e2e_data[index];
- return &(data->seqno_data);
-}
-
-#endif /* __included_ioam_e2e_h__ */
diff --git a/plugins/ioam-plugin/ioam/encap/ip6_ioam_pot.c b/plugins/ioam-plugin/ioam/encap/ip6_ioam_pot.c
deleted file mode 100644
index 05f42c91d0f..00000000000
--- a/plugins/ioam-plugin/ioam/encap/ip6_ioam_pot.c
+++ /dev/null
@@ -1,276 +0,0 @@
-/*
- * 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 <vlib/vlib.h>
-#include <vnet/vnet.h>
-#include <vnet/pg/pg.h>
-#include <vppinfra/error.h>
-
-#include <vnet/ip/ip6.h>
-#include <vnet/ip/ip6_hop_by_hop.h>
-#include <vnet/ip/ip6_hop_by_hop_packet.h>
-
-#include <vppinfra/hash.h>
-#include <vppinfra/error.h>
-#include <vppinfra/elog.h>
-
-#include <ioam/lib-pot/pot_util.h>
-
-typedef CLIB_PACKED(struct {
- ip6_hop_by_hop_option_t hdr;
- u8 pot_type;
-#define PROFILE_ID_MASK 0xF
- u8 reserved_profile_id; /* 4 bits reserved, 4 bits to carry profile id */
- u64 random;
- u64 cumulative;
-}) ioam_pot_option_t;
-
-#define foreach_ip6_hop_by_hop_ioam_pot_stats \
- _(PROCESSED, "Pkts with ip6 hop-by-hop pot options") \
- _(PROFILE_MISS, "Pkts with ip6 hop-by-hop pot options but no profile set") \
- _(PASSED, "Pkts with POT in Policy") \
- _(FAILED, "Pkts with POT out of Policy")
-
-static char * ip6_hop_by_hop_ioam_pot_stats_strings[] = {
-#define _(sym,string) string,
- foreach_ip6_hop_by_hop_ioam_pot_stats
-#undef _
-};
-
-typedef enum {
-#define _(sym,str) IP6_IOAM_POT_##sym,
- foreach_ip6_hop_by_hop_ioam_pot_stats
-#undef _
- IP6_IOAM_POT_N_STATS,
-} ip6_ioam_pot_stats_t;
-
-typedef struct {
- /* stats */
- u64 counters[ARRAY_LEN(ip6_hop_by_hop_ioam_pot_stats_strings)];
-
- /* convenience */
- vlib_main_t * vlib_main;
- vnet_main_t * vnet_main;
-} ip6_hop_by_hop_ioam_pot_main_t;
-
-ip6_hop_by_hop_ioam_pot_main_t ip6_hop_by_hop_ioam_pot_main;
-
-always_inline void
-ip6_ioam_stats_increment_counter (u32 counter_index, u64 increment)
-{
- ip6_hop_by_hop_ioam_pot_main_t *hm = &ip6_hop_by_hop_ioam_pot_main;
-
- hm->counters[counter_index] += increment;
-}
-
-
-static u8 * format_ioam_pot (u8 * s, va_list * args)
-{
- ioam_pot_option_t * pot0 = va_arg (*args, ioam_pot_option_t *);
- u64 random, cumulative;
- random = cumulative = 0;
- if (pot0)
- {
- random = clib_net_to_host_u64 (pot0->random);
- cumulative = clib_net_to_host_u64 (pot0->cumulative);
- }
-
- s = format (s, "random = 0x%Lx, Cumulative = 0x%Lx, Index = 0x%x",
- random, cumulative, pot0 ? pot0->reserved_profile_id : ~0);
- return s;
-}
-
-u8 *
-ip6_hbh_ioam_proof_of_transit_trace_handler (u8 *s, ip6_hop_by_hop_option_t *opt)
-{
- ioam_pot_option_t *pot;
-
- s = format (s, " POT opt present\n");
- pot = (ioam_pot_option_t *) opt;
- s = format (s, " %U\n", format_ioam_pot, pot);
- return (s);
-}
-
-int
-ip6_hbh_ioam_proof_of_transit_handler (vlib_buffer_t *b,
- ip6_header_t *ip,
- ip6_hop_by_hop_option_t *opt0)
-{
- ioam_pot_option_t * pot0;
- u64 random = 0, cumulative = 0;
- int rv = 0;
- u8 pot_profile_index;
- pot_profile *pot_profile = 0, *new_profile = 0;
- u8 pot_encap = 0;
-
- pot0 = (ioam_pot_option_t *) opt0;
- pot_encap = (pot0->random == 0);
- pot_profile_index = pot_profile_get_active_id();
- pot_profile = pot_profile_get_active();
- if (pot_encap && PREDICT_FALSE(!pot_profile))
- {
- ip6_ioam_stats_increment_counter (IP6_IOAM_POT_PROFILE_MISS, 1);
- return(-1);
- }
- if (pot_encap)
- {
- pot0->reserved_profile_id =
- pot_profile_index & PROFILE_ID_MASK;
- pot_profile_incr_usage_stats(pot_profile);
- }
- else
- { /* Non encap node */
- if (PREDICT_FALSE(pot0->reserved_profile_id !=
- pot_profile_index || pot_profile == 0))
- {
- /* New profile announced by encap node. */
- new_profile =
- pot_profile_find(pot0->reserved_profile_id);
- if (PREDICT_FALSE(new_profile == 0 ||
- new_profile->valid == 0))
- {
- ip6_ioam_stats_increment_counter (IP6_IOAM_POT_PROFILE_MISS, 1);
- return(-1);
- }
- else
- {
- pot_profile_index = pot0->reserved_profile_id;
- pot_profile = new_profile;
- pot_profile_set_active(pot_profile_index);
- pot_profile_reset_usage_stats(pot_profile);
- }
- }
- pot_profile_incr_usage_stats(pot_profile);
- }
-
- if (pot0->random == 0)
- {
- pot0->random = clib_host_to_net_u64(pot_generate_random(pot_profile));
- pot0->cumulative = 0;
- }
- random = clib_net_to_host_u64(pot0->random);
- cumulative = clib_net_to_host_u64(pot0->cumulative);
- pot0->cumulative = clib_host_to_net_u64(
- pot_update_cumulative(pot_profile,
- cumulative,
- random));
- ip6_ioam_stats_increment_counter (IP6_IOAM_POT_PROCESSED, 1);
-
- return (rv);
-}
-
-int
-ip6_hbh_ioam_proof_of_transit_pop_handler (vlib_buffer_t *b, ip6_header_t *ip,
- ip6_hop_by_hop_option_t *opt0)
-{
- ioam_pot_option_t * pot0;
- u64 random = 0;
- u64 cumulative = 0;
- int rv = 0;
- pot_profile *pot_profile = 0;
- u8 result = 0;
-
- pot0 = (ioam_pot_option_t *) opt0;
- random = clib_net_to_host_u64(pot0->random);
- cumulative = clib_net_to_host_u64(pot0->cumulative);
- pot_profile = pot_profile_get_active();
- result = pot_validate (pot_profile,
- cumulative, random);
-
- if (result == 1)
- {
- ip6_ioam_stats_increment_counter (IP6_IOAM_POT_PASSED, 1);
- }
- else
- {
- ip6_ioam_stats_increment_counter (IP6_IOAM_POT_FAILED, 1);
- }
- return (rv);
-}
-
-int ip6_hop_by_hop_ioam_pot_rewrite_handler (u8 *rewrite_string, u8 *rewrite_size)
-{
- ioam_pot_option_t * pot_option;
- if (rewrite_string && *rewrite_size == sizeof(ioam_pot_option_t))
- {
- pot_option = (ioam_pot_option_t *)rewrite_string;
- pot_option->hdr.type = HBH_OPTION_TYPE_IOAM_PROOF_OF_TRANSIT
- | HBH_OPTION_TYPE_DATA_CHANGE_ENROUTE;
- pot_option->hdr.length = sizeof (ioam_pot_option_t) -
- sizeof (ip6_hop_by_hop_option_t);
- return(0);
- }
- return(-1);
-}
-
-static clib_error_t *
-ip6_show_ioam_pot_cmd_fn (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
-{
- ip6_hop_by_hop_ioam_pot_main_t *hm = &ip6_hop_by_hop_ioam_pot_main;
- u8 *s = 0;
- int i = 0;
-
- for ( i = 0; i < IP6_IOAM_POT_N_STATS; i++)
- {
- s = format(s, " %s - %lu\n", ip6_hop_by_hop_ioam_pot_stats_strings[i],
- hm->counters[i]);
- }
-
- vlib_cli_output(vm, "%v", s);
- vec_free(s);
- return 0;
-}
-
-
-VLIB_CLI_COMMAND (ip6_show_ioam_pot_cmd, static) = {
- .path = "show ioam pot",
- .short_help = "iOAM pot statistics",
- .function = ip6_show_ioam_pot_cmd_fn,
-};
-
-
-static clib_error_t *
-ip6_hop_by_hop_ioam_pot_init (vlib_main_t * vm)
-{
- ip6_hop_by_hop_ioam_pot_main_t * hm = &ip6_hop_by_hop_ioam_pot_main;
- clib_error_t * error;
-
- if ((error = vlib_call_init_function (vm, ip6_hop_by_hop_ioam_init)))
- return(error);
-
- hm->vlib_main = vm;
- hm->vnet_main = vnet_get_main();
- memset(hm->counters, 0, sizeof(hm->counters));
-
- if (ip6_hbh_register_option(HBH_OPTION_TYPE_IOAM_PROOF_OF_TRANSIT, ip6_hbh_ioam_proof_of_transit_handler,
- ip6_hbh_ioam_proof_of_transit_trace_handler) < 0)
- return (clib_error_create("registration of HBH_OPTION_TYPE_IOAM_PROOF_OF_TRANSIT failed"));
-
- if (ip6_hbh_add_register_option(HBH_OPTION_TYPE_IOAM_PROOF_OF_TRANSIT,
- sizeof(ioam_pot_option_t),
- ip6_hop_by_hop_ioam_pot_rewrite_handler) < 0)
- return (clib_error_create("registration of HBH_OPTION_TYPE_IOAM_PROOF_OF_TRANSIT for rewrite failed"));
-
- if (ip6_hbh_pop_register_option(HBH_OPTION_TYPE_IOAM_PROOF_OF_TRANSIT,
- ip6_hbh_ioam_proof_of_transit_pop_handler) < 0)
- return (clib_error_create("registration of HBH_OPTION_TYPE_IOAM_PROOF_OF_TRANSIT POP failed"));
-
- return (0);
-}
-
-VLIB_INIT_FUNCTION (ip6_hop_by_hop_ioam_pot_init);
-
-
diff --git a/plugins/ioam-plugin/ioam/encap/ip6_ioam_seqno.c b/plugins/ioam-plugin/ioam/encap/ip6_ioam_seqno.c
deleted file mode 100644
index 0b4d4192975..00000000000
--- a/plugins/ioam-plugin/ioam/encap/ip6_ioam_seqno.c
+++ /dev/null
@@ -1,109 +0,0 @@
-/*
- * 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 <vlib/vlib.h>
-#include <vnet/vnet.h>
-#include <vnet/pg/pg.h>
-#include <vppinfra/error.h>
-
-#include <vnet/ip/ip.h>
-
-#include <vppinfra/hash.h>
-#include <vppinfra/error.h>
-#include <vppinfra/elog.h>
-
-#include "ip6_ioam_seqno.h"
-#include "ip6_ioam_e2e.h"
-
-ioam_seqno_data_main_t ioam_seqno_main;
-
-void ioam_seqno_init_bitmap (ioam_seqno_data *data)
-{
- seqno_bitmap *bitmap = &data->seqno_rx.bitmap;
- bitmap->window_size = SEQNO_WINDOW_SIZE;
- bitmap->array_size = SEQNO_WINDOW_ARRAY_SIZE;
- bitmap->mask = 32 * SEQNO_WINDOW_ARRAY_SIZE - 1;
- bitmap->array[0] = 0x00000000;/* pretend we haven seen sequence numbers 0*/
- bitmap->highest = 0;
-
- data->seq_num = 0;
- return ;
-}
-
-/*
- * This Routine gets called from IPv6 hop-by-hop option handling.
- * Only if we are encap node, then add PPC data.
- * On a Transit(MID) node we dont do anything with E2E headers.
- * On decap node decap is handled by seperate function.
- */
-int
-ioam_seqno_encap_handler (vlib_buffer_t *b, ip6_header_t *ip,
- ip6_hop_by_hop_option_t *opt)
-{
- u32 opaque_index = vnet_buffer(b)->l2_classify.opaque_index;
- ioam_e2e_option_t * e2e;
- int rv = 0;
- ioam_seqno_data *data;
-
- data = ioam_e2ec_get_seqno_data_from_flow_ctx(opaque_index);
- e2e = (ioam_e2e_option_t *) opt;
- e2e->e2e_data = clib_host_to_net_u32(++data->seq_num);
-
- return (rv);
-}
-
-/*
- * This Routine gets called on POP/Decap node.
- */
-int
-ioam_seqno_decap_handler (vlib_buffer_t *b, ip6_header_t *ip,
- ip6_hop_by_hop_option_t *opt)
-{
- u32 opaque_index = vnet_buffer(b)->l2_classify.opaque_index;
- ioam_e2e_option_t * e2e;
- int rv = 0;
- ioam_seqno_data *data;
-
- data = ioam_e2ec_get_seqno_data_from_flow_ctx(opaque_index);
- e2e = (ioam_e2e_option_t *) opt;
- ioam_analyze_seqno(&data->seqno_rx, (u64) clib_net_to_host_u32(e2e->e2e_data));
-
- return (rv);
-}
-
-u8 *
-show_ioam_seqno_cmd_fn (u8 *s, ioam_seqno_data *seqno_data, u8 enc)
-{
- seqno_rx_info *rx;
-
- s = format(s, "SeqNo Data:\n");
- if (enc)
- {
- s = format(s, " Current Seq. Number : %llu\n", seqno_data->seq_num);
- }
- else
- {
- rx = &seqno_data->seqno_rx;
- s = format(s, " Highest Seq. Number : %llu\n", rx->bitmap.highest);
- s = format(s, " Packets received : %llu\n", rx->rx_packets);
- s = format(s, " Lost packets : %llu\n", rx->lost_packets);
- s = format(s, " Reordered packets : %llu\n", rx->reordered_packets);
- s = format(s, " Duplicate packets : %llu\n", rx->dup_packets);
- }
-
- format(s, "\n");
- return s;
-}
diff --git a/plugins/ioam-plugin/ioam/encap/ip6_ioam_seqno.h b/plugins/ioam-plugin/ioam/encap/ip6_ioam_seqno.h
deleted file mode 100644
index 13a84db0d71..00000000000
--- a/plugins/ioam-plugin/ioam/encap/ip6_ioam_seqno.h
+++ /dev/null
@@ -1,70 +0,0 @@
-/*
- * 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.
- */
-
-#ifndef __included_ip6_ioam_seqno_h__
-#define __included_ip6_ioam_seqno_h__
-
-#include <vnet/ip/ip6_packet.h>
-#include <vnet/ip/ip6_hop_by_hop.h>
-
-#define SEQ_CHECK_VALUE 0x80000000 /* for seq number wraparound detection */
-
-#define SEQNO_WINDOW_SIZE 2048
-#define SEQNO_WINDOW_ARRAY_SIZE 64
-
-typedef struct seqno_bitmap_ {
- u32 window_size;
- u32 array_size;
- u32 mask;
- u32 pad;
- u64 highest;
- u64 array[SEQNO_WINDOW_ARRAY_SIZE]; /* Will be alloc to array_size */
-} seqno_bitmap;
-
-typedef struct seqno_rx_info_ {
- u64 rx_packets;
- u64 lost_packets;
- u64 reordered_packets;
- u64 dup_packets;
- seqno_bitmap bitmap;
-} seqno_rx_info;
-
-/* This structure is 64-byte aligned */
-typedef struct ioam_seqno_data_ {
- union {
- u32 seq_num; /* Useful only for encap node */
- seqno_rx_info seqno_rx;
- };
-} ioam_seqno_data;
-
-typedef struct ioam_seqno_data_main_t_ {
- ioam_seqno_data *seqno_data;
-} ioam_seqno_data_main_t;
-
-void ioam_seqno_init_bitmap(ioam_seqno_data *data);
-
-int ioam_seqno_encap_handler(vlib_buffer_t *b, ip6_header_t *ip,
- ip6_hop_by_hop_option_t *opt);
-
-int
-ioam_seqno_decap_handler(vlib_buffer_t *b, ip6_header_t *ip,
- ip6_hop_by_hop_option_t *opt);
-
-void ioam_analyze_seqno(seqno_rx_info *ppc_rx, u64 seqno);
-
-u8 *
-show_ioam_seqno_cmd_fn(u8 *s, ioam_seqno_data *seqno_data, u8 enc);
-
-#endif
diff --git a/plugins/ioam-plugin/ioam/encap/ip6_ioam_seqno_analyse.c b/plugins/ioam-plugin/ioam/encap/ip6_ioam_seqno_analyse.c
deleted file mode 100644
index 4638871c224..00000000000
--- a/plugins/ioam-plugin/ioam/encap/ip6_ioam_seqno_analyse.c
+++ /dev/null
@@ -1,141 +0,0 @@
-/*
- * 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 "ip6_ioam_seqno.h"
-
-static inline void BIT_SET (u64 *p, u32 n)
-{
- p[ n>>5 ] |= (1 << (n&31));
-}
-
-static inline int BIT_TEST (u64 *p, u32 n)
-{
- return p[ n>>5 ] & (1 << (n&31));
-}
-
-static void BIT_CLEAR (u64 *p, u64 start, int num_bits, u32 mask)
-{
- int n, t;
- int start_index = (start >> 5);
- int mask_index = (mask >> 5);
-
- start_index &= mask_index;
- if (start & 0x1f)
- {
- int start_bit = (start & 0x1f);
-
- n = (1 << start_bit)-1;
- t = start_bit + num_bits;
- if (t < 32)
- {
- n |= ~((1 << t)-1);
- p[ start_index ] &= n;
- return;
- }
- p[ start_index ] &= n;
- start_index = (start_index + 1) & mask_index;
- num_bits -= (32 - start_bit);
- }
- while (num_bits >= 32)
- {
- p[ start_index ] = 0;
- start_index = (start_index + 1) & mask_index;
- num_bits -= 32;
- }
- n = ~((1 << num_bits) - 1);
- p[ start_index ] &= n;
-}
-
-static inline u8 seqno_check_wraparound(u32 a, u32 b)
-{
- if ((a != b) && (a > b) && ((a - b) > SEQ_CHECK_VALUE))
- {
- return 1;
- }
- return 0;
-}
-
-/*
- * Function to analyze the PPC value recevied.
- * - Updates the bitmap with received sequence number
- * - counts the received/lost/duplicate/reordered packets
- */
-void ioam_analyze_seqno (seqno_rx_info *seqno_rx, u64 seqno)
-{
- int diff;
- static int peer_dead_count;
- seqno_bitmap *bitmap = &seqno_rx->bitmap;
-
- seqno_rx->rx_packets++;
-
- if (seqno > bitmap->highest)
- { /* new larger sequence number */
- peer_dead_count = 0;
- diff = seqno - bitmap->highest;
- if (diff < bitmap->window_size)
- {
- if (diff > 1)
- { /* diff==1 is *such* a common case it's a win to optimize it */
- BIT_CLEAR(bitmap->array, bitmap->highest+1, diff-1, bitmap->mask);
- seqno_rx->lost_packets += diff -1;
- }
- }
- else
- {
- seqno_rx->lost_packets += diff -1;
- memset( bitmap->array, 0, bitmap->array_size * sizeof(u64) );
- }
- BIT_SET(bitmap->array, seqno & bitmap->mask);
- bitmap->highest = seqno;
- return;
- }
-
- /* we've seen a bigger seq number before */
- diff = bitmap->highest - seqno;
- if (diff >= bitmap->window_size)
- {
- if (seqno_check_wraparound(bitmap->highest, seqno))
- {
- memset( bitmap->array, 0, bitmap->array_size * sizeof(u64));
- BIT_SET(bitmap->array, seqno & bitmap->mask);
- bitmap->highest = seqno;
- return;
- }
- else
- {
- peer_dead_count++;
- if (peer_dead_count > 25)
- {
- peer_dead_count = 0;
- memset( bitmap->array, 0, bitmap->array_size * sizeof(u64) );
- BIT_SET(bitmap->array, seqno & bitmap->mask);
- bitmap->highest = seqno;
- }
- //ppc_rx->reordered_packets++;
- }
- return;
- }
-
- if (BIT_TEST(bitmap->array, seqno & bitmap->mask))
- {
- seqno_rx->dup_packets++;
- return; /* Already seen */
- }
- seqno_rx->reordered_packets++;
- seqno_rx->lost_packets--;
- BIT_SET(bitmap->array, seqno & bitmap->mask);
- return;
-}
diff --git a/plugins/ioam-plugin/ioam/encap/ip6_ioam_trace.c b/plugins/ioam-plugin/ioam/encap/ip6_ioam_trace.c
deleted file mode 100644
index e63db6e4ec5..00000000000
--- a/plugins/ioam-plugin/ioam/encap/ip6_ioam_trace.c
+++ /dev/null
@@ -1,438 +0,0 @@
-/*
- * 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 <vlib/vlib.h>
-#include <vnet/vnet.h>
-#include <vnet/pg/pg.h>
-#include <vppinfra/error.h>
-
-#include <vnet/ip/ip6.h>
-#include <vnet/ip/ip6_hop_by_hop.h>
-#include <vnet/ip/ip6_hop_by_hop_packet.h>
-
-#include <vppinfra/hash.h>
-#include <vppinfra/error.h>
-#include <vppinfra/elog.h>
-
-#include <ioam/lib-trace/trace_util.h>
-
-/* Timestamp precision multipliers for seconds, milliseconds, microseconds
- * and nanoseconds respectively.
- */
-static f64 trace_tsp_mul[4] = { 1, 1e3, 1e6, 1e9 };
-
-typedef union
-{
- u64 as_u64;
- u32 as_u32[2];
-} time_u64_t;
-
-/* *INDENT-OFF* */
-typedef CLIB_PACKED(struct {
- ip6_hop_by_hop_option_t hdr;
- u8 ioam_trace_type;
- u8 data_list_elts_left;
- u32 elts[0]; /* Variable type. So keep it generic */
-}) ioam_trace_option_t;
-/* *INDENT-ON* */
-
-
-extern ip6_hop_by_hop_ioam_main_t ip6_hop_by_hop_ioam_main;
-extern ip6_main_t ip6_main;
-
-#define foreach_ip6_hop_by_hop_ioam_trace_stats \
- _(PROCESSED, "Pkts with ip6 hop-by-hop trace options") \
- _(PROFILE_MISS, "Pkts with ip6 hop-by-hop trace options but no profile set") \
- _(UPDATED, "Pkts with trace updated") \
- _(FULL, "Pkts with trace options but no space")
-
-static char *ip6_hop_by_hop_ioam_trace_stats_strings[] = {
-#define _(sym,string) string,
- foreach_ip6_hop_by_hop_ioam_trace_stats
-#undef _
-};
-
-typedef enum
-{
-#define _(sym,str) IP6_IOAM_TRACE_##sym,
- foreach_ip6_hop_by_hop_ioam_trace_stats
-#undef _
- IP6_IOAM_TRACE_N_STATS,
-} ip6_ioam_trace_stats_t;
-
-
-typedef struct
-{
- /* stats */
- u64 counters[ARRAY_LEN (ip6_hop_by_hop_ioam_trace_stats_strings)];
-
- /* convenience */
- vlib_main_t *vlib_main;
- vnet_main_t *vnet_main;
-} ip6_hop_by_hop_ioam_trace_main_t;
-
-ip6_hop_by_hop_ioam_trace_main_t ip6_hop_by_hop_ioam_trace_main;
-
-always_inline void
-ip6_ioam_trace_stats_increment_counter (u32 counter_index, u64 increment)
-{
- ip6_hop_by_hop_ioam_trace_main_t *hm = &ip6_hop_by_hop_ioam_trace_main;
-
- hm->counters[counter_index] += increment;
-}
-
-
-static u8 *
-format_ioam_data_list_element (u8 * s, va_list * args)
-{
- u32 *elt = va_arg (*args, u32 *);
- u8 *trace_type_p = va_arg (*args, u8 *);
- u8 trace_type = *trace_type_p;
-
-
- if (trace_type & BIT_TTL_NODEID)
- {
- u32 ttl_node_id_host_byte_order = clib_net_to_host_u32 (*elt);
- s = format (s, "ttl 0x%x node id 0x%x ",
- ttl_node_id_host_byte_order >> 24,
- ttl_node_id_host_byte_order & 0x00FFFFFF);
-
- elt++;
- }
-
- if (trace_type & BIT_ING_INTERFACE && trace_type & BIT_ING_INTERFACE)
- {
- u32 ingress_host_byte_order = clib_net_to_host_u32 (*elt);
- s = format (s, "ingress 0x%x egress 0x%x ",
- ingress_host_byte_order >> 16,
- ingress_host_byte_order & 0xFFFF);
- elt++;
- }
-
- if (trace_type & BIT_TIMESTAMP)
- {
- u32 ts_in_host_byte_order = clib_net_to_host_u32 (*elt);
- s = format (s, "ts 0x%x \n", ts_in_host_byte_order);
- elt++;
- }
-
- if (trace_type & BIT_APPDATA)
- {
- u32 appdata_in_host_byte_order = clib_net_to_host_u32 (*elt);
- s = format (s, "app 0x%x ", appdata_in_host_byte_order);
- elt++;
- }
-
- return s;
-}
-
-
-int
-ip6_ioam_trace_get_sizeof_handler (u32 * result)
-{
- u16 size = 0;
- u8 trace_data_size = 0;
- trace_profile *profile = NULL;
-
- *result = 0;
-
- profile = trace_profile_find ();
-
- if (PREDICT_FALSE (!profile))
- {
- ip6_ioam_trace_stats_increment_counter (IP6_IOAM_TRACE_PROFILE_MISS, 1);
- return (-1);
- }
-
- trace_data_size = fetch_trace_data_size (profile->trace_type);
- if (PREDICT_FALSE (trace_data_size == 0))
- return VNET_API_ERROR_INVALID_VALUE;
-
- if (PREDICT_FALSE (profile->num_elts * trace_data_size > 254))
- return VNET_API_ERROR_INVALID_VALUE;
-
- size +=
- sizeof (ioam_trace_option_t) + (profile->num_elts * trace_data_size);
- *result = size;
-
- return 0;
-}
-
-
-
-int
-ip6_hop_by_hop_ioam_trace_rewrite_handler (u8 * rewrite_string,
- u8 * rewrite_size)
-{
- ioam_trace_option_t *trace_option = NULL;
- u8 trace_data_size = 0;
- u8 trace_option_elts = 0;
- trace_profile *profile = NULL;
-
-
- profile = trace_profile_find ();
-
- if (PREDICT_FALSE (!profile))
- {
- ip6_ioam_trace_stats_increment_counter (IP6_IOAM_TRACE_PROFILE_MISS, 1);
- return (-1);
- }
-
- if (PREDICT_FALSE (!rewrite_string))
- return -1;
-
- trace_option_elts = profile->num_elts;
- trace_data_size = fetch_trace_data_size (profile->trace_type);
- trace_option = (ioam_trace_option_t *) rewrite_string;
- trace_option->hdr.type = HBH_OPTION_TYPE_IOAM_TRACE_DATA_LIST |
- HBH_OPTION_TYPE_DATA_CHANGE_ENROUTE;
- trace_option->hdr.length = 2 /*ioam_trace_type,data_list_elts_left */ +
- trace_option_elts * trace_data_size;
- trace_option->ioam_trace_type = profile->trace_type & TRACE_TYPE_MASK;
- trace_option->data_list_elts_left = trace_option_elts;
- *rewrite_size =
- sizeof (ioam_trace_option_t) + (trace_option_elts * trace_data_size);
-
- return 0;
-}
-
-
-int
-ip6_hbh_ioam_trace_data_list_handler (vlib_buffer_t * b, ip6_header_t * ip,
- ip6_hop_by_hop_option_t * opt)
-{
- ip6_main_t *im = &ip6_main;
- ip_lookup_main_t *lm = &im->lookup_main;
- ip6_hop_by_hop_ioam_main_t *hm = &ip6_hop_by_hop_ioam_main;
- u8 elt_index = 0;
- ioam_trace_option_t *trace = (ioam_trace_option_t *) opt;
- u32 adj_index = vnet_buffer (b)->ip.adj_index[VLIB_TX];
- ip_adjacency_t *adj = ip_get_adjacency (lm, adj_index);
- time_u64_t time_u64;
- u32 *elt;
- int rv = 0;
- trace_profile *profile = NULL;
-
-
- profile = trace_profile_find ();
-
- if (PREDICT_FALSE (!profile))
- {
- ip6_ioam_trace_stats_increment_counter (IP6_IOAM_TRACE_PROFILE_MISS, 1);
- return (-1);
- }
-
-
- time_u64.as_u64 = 0;
-
- if (PREDICT_TRUE (trace->data_list_elts_left))
- {
- trace->data_list_elts_left--;
- /* fetch_trace_data_size returns in bytes. Convert it to 4-bytes
- * to skip to this node's location.
- */
- elt_index =
- trace->data_list_elts_left *
- fetch_trace_data_size (trace->ioam_trace_type) / 4;
- elt = &trace->elts[elt_index];
- if (trace->ioam_trace_type & BIT_TTL_NODEID)
- {
- *elt =
- clib_host_to_net_u32 ((ip->hop_limit << 24) | profile->node_id);
- elt++;
- }
-
- if (trace->ioam_trace_type & BIT_ING_INTERFACE)
- {
- *elt =
- (vnet_buffer (b)->sw_if_index[VLIB_RX] & 0xFFFF) << 16 |
- (adj->rewrite_header.sw_if_index & 0xFFFF);
- *elt = clib_host_to_net_u32 (*elt);
- elt++;
- }
-
- if (trace->ioam_trace_type & BIT_TIMESTAMP)
- {
- /* Send least significant 32 bits */
- f64 time_f64 =
- (f64) (((f64) hm->unix_time_0) +
- (vlib_time_now (hm->vlib_main) - hm->vlib_time_0));
-
- time_u64.as_u64 = time_f64 * trace_tsp_mul[profile->trace_tsp];
- *elt = clib_host_to_net_u32 (time_u64.as_u32[0]);
- elt++;
- }
-
- if (trace->ioam_trace_type & BIT_APPDATA)
- {
- /* $$$ set elt0->app_data */
- *elt = clib_host_to_net_u32 (profile->app_data);
- elt++;
- }
- ip6_ioam_trace_stats_increment_counter (IP6_IOAM_TRACE_UPDATED, 1);
- }
- else
- {
- ip6_ioam_trace_stats_increment_counter (IP6_IOAM_TRACE_FULL, 1);
- }
- return (rv);
-}
-
-u8 *
-ip6_hbh_ioam_trace_data_list_trace_handler (u8 * s,
- ip6_hop_by_hop_option_t * opt)
-{
- ioam_trace_option_t *trace;
- u8 trace_data_size_in_words = 0;
- u32 *elt;
- int elt_index = 0;
-
- trace = (ioam_trace_option_t *) opt;
- s =
- format (s, " Trace Type 0x%x , %d elts left\n", trace->ioam_trace_type,
- trace->data_list_elts_left);
- trace_data_size_in_words =
- fetch_trace_data_size (trace->ioam_trace_type) / 4;
- elt = &trace->elts[0];
- while ((u8 *) elt < ((u8 *) (&trace->elts[0]) + trace->hdr.length - 2
- /* -2 accounts for ioam_trace_type,elts_left */ ))
- {
- s = format (s, " [%d] %U\n", elt_index,
- format_ioam_data_list_element,
- elt, &trace->ioam_trace_type);
- elt_index++;
- elt += trace_data_size_in_words;
- }
- return (s);
-}
-
-
-static clib_error_t *
-ip6_show_ioam_trace_cmd_fn (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
-{
- ip6_hop_by_hop_ioam_trace_main_t *hm = &ip6_hop_by_hop_ioam_trace_main;
- u8 *s = 0;
- int i = 0;
-
- for (i = 0; i < IP6_IOAM_TRACE_N_STATS; i++)
- {
- s =
- format (s, " %s - %lu\n", ip6_hop_by_hop_ioam_trace_stats_strings[i],
- hm->counters[i]);
- }
-
- vlib_cli_output (vm, "%v", s);
- vec_free (s);
- return 0;
-}
-
-
-/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (ip6_show_ioam_trace_cmd, static) = {
- .path = "show ioam trace",
- .short_help = "iOAM trace statistics",
- .function = ip6_show_ioam_trace_cmd_fn,
-};
-/* *INDENT-ON* */
-
-
-static clib_error_t *
-ip6_hop_by_hop_ioam_trace_init (vlib_main_t * vm)
-{
- ip6_hop_by_hop_ioam_trace_main_t *hm = &ip6_hop_by_hop_ioam_trace_main;
- clib_error_t *error;
-
- if ((error = vlib_call_init_function (vm, ip_main_init)))
- return (error);
-
- if ((error = vlib_call_init_function (vm, ip6_lookup_init)))
- return error;
-
- if ((error = vlib_call_init_function (vm, ip6_hop_by_hop_ioam_init)))
- return (error);
-
- hm->vlib_main = vm;
- hm->vnet_main = vnet_get_main ();
- memset (hm->counters, 0, sizeof (hm->counters));
-
-
- if (ip6_hbh_register_option
- (HBH_OPTION_TYPE_IOAM_TRACE_DATA_LIST,
- ip6_hbh_ioam_trace_data_list_handler,
- ip6_hbh_ioam_trace_data_list_trace_handler) < 0)
- return (clib_error_create
- ("registration of HBH_OPTION_TYPE_IOAM_TRACE_DATA_LIST failed"));
-
-
- if (ip6_hbh_add_register_option (HBH_OPTION_TYPE_IOAM_TRACE_DATA_LIST,
- sizeof (ioam_trace_option_t),
- ip6_hop_by_hop_ioam_trace_rewrite_handler)
- < 0)
- return (clib_error_create
- ("registration of HBH_OPTION_TYPE_IOAM_TRACE_DATA_LIST for rewrite failed"));
-
-
- return (0);
-}
-
-int
-ip6_trace_profile_cleanup (void)
-{
- ip6_hop_by_hop_ioam_main_t *hm = &ip6_hop_by_hop_ioam_main;
-
- hm->options_size[HBH_OPTION_TYPE_IOAM_TRACE_DATA_LIST] = 0;
-
- return 0;
-
-}
-
-
-int
-ip6_trace_profile_setup (void)
-{
- u32 trace_size = 0;
- ip6_hop_by_hop_ioam_main_t *hm = &ip6_hop_by_hop_ioam_main;
-
- trace_profile *profile = NULL;
-
-
- profile = trace_profile_find ();
-
- if (PREDICT_FALSE (!profile))
- {
- ip6_ioam_trace_stats_increment_counter (IP6_IOAM_TRACE_PROFILE_MISS, 1);
- return (-1);
- }
-
-
- if (ip6_ioam_trace_get_sizeof_handler (&trace_size) < 0)
- return (-1);
-
- hm->options_size[HBH_OPTION_TYPE_IOAM_TRACE_DATA_LIST] = trace_size;
-
- return (0);
-}
-
-
-VLIB_INIT_FUNCTION (ip6_hop_by_hop_ioam_trace_init);
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */