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authorDamjan Marion <damarion@cisco.com>2018-01-21 06:44:18 -0800
committerDamjan Marion <dmarion.lists@gmail.com>2018-04-17 23:38:05 +0000
commit07a38572caa2c2d2d8658420a7c3df8e7f9d0e74 (patch)
tree1410e662936aac8972f7f1f25e56429f443791d5 /src
parente821ab100aea2fb3f740a98650eb750ff5911c49 (diff)
Add logging support
Change-Id: Ieac9cf50156dbbb4962411e900d59256441915ef Signed-off-by: Damjan Marion <damarion@cisco.com> Signed-off-by: Klement Sekera <ksekera@cisco.com>
Diffstat (limited to 'src')
-rw-r--r--src/vlib.am2
-rw-r--r--src/vlib/log.c673
-rw-r--r--src/vlib/log.h63
-rw-r--r--src/vlib/vlib.h1
-rw-r--r--src/vnet/bfd/bfd_main.c118
-rw-r--r--src/vnet/bfd/bfd_main.h7
-rw-r--r--src/vnet/bfd/bfd_udp.c51
-rw-r--r--src/vnet/devices/tap/tap.c9
-rw-r--r--src/vnet/devices/tap/tap.h3
9 files changed, 875 insertions, 52 deletions
diff --git a/src/vlib.am b/src/vlib.am
index 405bed95fba..55d6e65c2b9 100644
--- a/src/vlib.am
+++ b/src/vlib.am
@@ -35,6 +35,7 @@ libvlib_la_SOURCES = \
vlib/linux/pci.c \
vlib/linux/physmem.c \
vlib/linux/vfio.c \
+ vlib/log.c \
vlib/main.c \
vlib/mc.c \
vlib/node.c \
@@ -61,6 +62,7 @@ nobase_include_HEADERS += \
vlib/i2c.h \
vlib/init.h \
vlib/linux/vfio.h \
+ vlib/log.h \
vlib/main.h \
vlib/mc.h \
vlib/node_funcs.h \
diff --git a/src/vlib/log.c b/src/vlib/log.c
new file mode 100644
index 00000000000..dd2ecf2c110
--- /dev/null
+++ b/src/vlib/log.c
@@ -0,0 +1,673 @@
+/*
+ * Copyright (c) 2018 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 <stdbool.h>
+#include <vlib/vlib.h>
+#include <vlib/log.h>
+#include <syslog.h>
+
+#define VLIB_LOG_DEFAULT_SIZE 50
+#define VLIB_LOG_DEFAULT_RATE_LIMIT 10
+#define VLIB_LOG_DEFAULT_UNTHROTTLE_TIME 3
+#define VLIB_LOG_DEFAULT_LOG_LEVEL VLIB_LOG_LEVEL_CRIT
+
+typedef struct
+{
+ vlib_log_level_t level;
+ vlib_log_class_t class;
+ f64 timestamp;
+ u8 *string;
+} vlib_log_entry_t;
+
+typedef struct
+{
+ u32 index;
+ u8 *name;
+ // level of log messages kept for this subclass
+ vlib_log_level_t level;
+ // level of log messages sent to syslog for this subclass
+ vlib_log_level_t syslog_level;
+ // flag saying whether this subclass is logged to syslog
+ bool syslog_enabled;
+ f64 last_event_timestamp;
+ int last_sec_count;
+ int is_throttling;
+ int rate_limit;
+} vlib_log_subclass_data_t;
+
+typedef struct
+{
+ u32 index;
+ u8 *name;
+ vlib_log_subclass_data_t *subclasses;
+} vlib_log_class_data_t;
+
+typedef struct
+{
+ vlib_log_entry_t *entries;
+ vlib_log_class_data_t *classes;
+ int size, next, count;
+
+ /* our own log class */
+ vlib_log_class_t log_class;
+
+ int default_rate_limit;
+ int unthrottle_time;
+ u32 indent;
+} vlib_log_main_t;
+
+vlib_log_main_t log_main;
+
+
+static int
+last_log_entry ()
+{
+ vlib_log_main_t *lm = &log_main;
+ int i;
+
+ i = lm->next - lm->count;
+
+ if (i < 0)
+ i += lm->size;
+ return i;
+}
+
+static vlib_log_class_data_t *
+get_class_data (vlib_log_class_t ci)
+{
+ vlib_log_main_t *lm = &log_main;
+ return vec_elt_at_index (lm->classes, (ci >> 16));
+}
+
+static vlib_log_subclass_data_t *
+get_subclass_data (vlib_log_class_t ci)
+{
+ vlib_log_class_data_t *c = get_class_data (ci);
+ return vec_elt_at_index (c->subclasses, (ci & 0xffff));
+}
+
+static int
+vlib_log_level_to_syslog_priority (vlib_log_level_t level)
+{
+ switch (level)
+ {
+#define _(n,uc,lc) \
+ case VLIB_LOG_LEVEL_##uc:\
+ return LOG_##uc;
+ foreach_vlib_log_level
+#undef _
+ }
+ return LOG_DEBUG;
+}
+
+u8 *
+format_vlib_log_class (u8 * s, va_list * args)
+{
+ vlib_log_class_t ci = va_arg (*args, vlib_log_class_t);
+ vlib_log_class_data_t *c = get_class_data (ci);
+ vlib_log_subclass_data_t *sc = get_subclass_data (ci);
+
+ if (sc->name)
+ return format (s, "%v/%v", c->name, sc->name);
+ else
+ return format (s, "%v", c->name, 0);
+}
+
+
+void
+vlib_log (vlib_log_level_t level, vlib_log_class_t class, char *fmt, ...)
+{
+ vlib_main_t *vm = vlib_get_main ();
+ vlib_log_main_t *lm = &log_main;
+ vlib_log_entry_t *e;
+ vlib_log_subclass_data_t *sc = get_subclass_data (class);
+ va_list va;
+ f64 t = vlib_time_now (vm);
+ f64 delta = t - sc->last_event_timestamp;
+ u8 *s = 0;
+ bool use_formatted_log_entry = true;
+
+ /* make sure we are running on the main thread to avoid use in dataplane
+ code, for dataplane logging consider use of event-logger */
+ ASSERT (vlib_get_thread_index () == 0);
+
+ if (level > sc->level)
+ {
+ use_formatted_log_entry = false;
+ goto syslog;
+ }
+
+ if ((delta > lm->unthrottle_time) ||
+ (sc->is_throttling == 0 && (delta > 1)))
+ {
+ sc->last_event_timestamp = t;
+ sc->last_sec_count = 0;
+ sc->is_throttling = 0;
+ }
+ else
+ {
+ sc->last_sec_count++;
+ if (sc->last_sec_count > sc->rate_limit)
+ return;
+ else if (sc->last_sec_count == sc->rate_limit)
+ {
+ vec_reset_length (s);
+ s = format (0, "--- message(s) throttled ---");
+ sc->is_throttling = 1;
+ }
+ }
+
+ if (s == 0)
+ {
+ va_start (va, fmt);
+ s = va_format (s, fmt, &va);
+ va_end (va);
+ }
+
+ e = vec_elt_at_index (lm->entries, lm->next);
+ vec_free (e->string);
+ e->level = level;
+ e->class = class;
+ e->string = s;
+ e->timestamp = t;
+
+ lm->next = (lm->next + 1) % lm->size;
+ if (lm->size > lm->count)
+ lm->count++;
+
+syslog:
+ if (sc->syslog_enabled && level <= sc->syslog_level)
+ {
+ u8 *tmp = format (NULL, "%U", format_vlib_log_class, class);
+ if (use_formatted_log_entry)
+ {
+ syslog (vlib_log_level_to_syslog_priority (level), "%.*s: %.*s",
+ vec_len (tmp), tmp,
+ vec_len (s) - (vec_c_string_is_terminated (s) ? 1 : 0), s);
+ }
+ else
+ {
+ tmp = format (tmp, ": ");
+ va_start (va, fmt);
+ tmp = va_format (tmp, fmt, &va);
+ va_end (va);
+ syslog (vlib_log_level_to_syslog_priority (level), "%.*s",
+ vec_len (tmp) - (vec_c_string_is_terminated (tmp) ? 1 : 0),
+ tmp);
+ }
+ vec_free (tmp);
+ }
+
+}
+
+vlib_log_class_t
+vlib_log_register_class (char *class, char *subclass)
+{
+ vlib_log_main_t *lm = &log_main;
+ vlib_log_class_data_t *c = NULL;
+ vlib_log_subclass_data_t *s;
+ vlib_log_class_data_t *tmp;
+ vec_foreach (tmp, lm->classes)
+ {
+ if (!memcmp (class, tmp->name, vec_len (tmp->name)))
+ {
+ c = tmp;
+ break;
+ }
+ }
+ if (!c)
+ {
+ vec_add2 (lm->classes, c, 1);
+ c->index = c - lm->classes;
+ c->name = format (0, "%s", class);
+ }
+
+ vec_add2 (c->subclasses, s, 1);
+ s->index = s - c->subclasses;
+ s->name = subclass ? format (0, "%s", subclass) : 0;
+ s->rate_limit = lm->default_rate_limit;
+ s->level = VLIB_LOG_DEFAULT_LOG_LEVEL;
+ return (c->index << 16) | (s->index);
+}
+
+u8 *
+format_vlib_log_level (u8 * s, va_list * args)
+{
+ vlib_log_level_t i = va_arg (*args, vlib_log_level_t);
+ char *t = 0;
+
+ switch (i)
+ {
+#define _(v,uc,lc) case VLIB_LOG_LEVEL_##uc: t = #lc; break;
+ foreach_vlib_log_level
+#undef _
+ default:
+ return format (s, "unknown");
+ }
+ return format (s, "%s", t);
+}
+
+u32
+vlib_log_get_indent ()
+{
+ return log_main.indent;
+}
+
+static clib_error_t *
+vlib_log_init (vlib_main_t * vm)
+{
+ vlib_log_main_t *lm = &log_main;
+ lm->size = VLIB_LOG_DEFAULT_SIZE;
+ vec_validate (lm->entries, lm->size);
+ lm->log_class = vlib_log_register_class ("log", 0);
+ u8 *tmp = format (NULL, "%U %-10U %-10U ", format_time_float, 0, (f64) 0,
+ format_white_space, 255, format_white_space, 255);
+ log_main.indent = vec_len (tmp);
+ vec_free (tmp);
+ return 0;
+}
+
+VLIB_INIT_FUNCTION (vlib_log_init);
+
+
+static clib_error_t *
+show_log (vlib_main_t * vm,
+ unformat_input_t * input, vlib_cli_command_t * cmd)
+{
+ clib_error_t *error = 0;
+ vlib_log_main_t *lm = &log_main;
+ vlib_log_entry_t *e;
+ int i = last_log_entry ();
+ int count = lm->count;
+
+ while (count--)
+ {
+ e = vec_elt_at_index (lm->entries, i);
+ vlib_cli_output (vm, "%U %-10U %-10U %v (%d)",
+ format_time_float, 0, e->timestamp,
+ format_vlib_log_level, e->level,
+ format_vlib_log_class, e->class, e->string, i);
+ i = (i + 1) % lm->size;
+ }
+
+ return error;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (cli_show_log, static) = {
+ .path = "show logging",
+ .short_help = "show logging",
+ .function = show_log,
+};
+/* *INDENT-ON* */
+
+static clib_error_t *
+clear_log (vlib_main_t * vm,
+ unformat_input_t * input, vlib_cli_command_t * cmd)
+{
+ clib_error_t *error = 0;
+ vlib_log_main_t *lm = &log_main;
+ vlib_log_entry_t *e;
+ int i = last_log_entry ();
+ int count = lm->count;
+
+ while (count--)
+ {
+ e = vec_elt_at_index (lm->entries, i);
+ vec_free (e->string);
+ i = (i + 1) % lm->size;
+ }
+
+ lm->count = 0;
+ lm->next = 0;
+ vlib_log_info (lm->log_class, "log cleared");
+ return error;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (cli_clear_log, static) = {
+ .path = "clear logging",
+ .short_help = "clear logging",
+ .function = clear_log,
+};
+/* *INDENT-ON* */
+
+static uword
+unformat_vlib_log_level (unformat_input_t * input, va_list * args)
+{
+ vlib_log_level_t *level = va_arg (*args, vlib_log_level_t *);
+ u8 *level_str = NULL;
+ uword rv = 1;
+ if (unformat (input, "%v", &level_str))
+ {
+#define _(v, uc, lc) \
+ const char __##uc[] = #lc; \
+ if (!memcmp (level_str, __##uc, sizeof (__##uc))) \
+ { \
+ *level = VLIB_LOG_LEVEL_##uc; \
+ rv = 1; \
+ goto done; \
+ }
+ foreach_vlib_log_level;
+ rv = 0;
+#undef _
+ }
+done:
+ vec_free (level_str);
+ return rv;
+}
+
+static uword
+unformat_vlib_log_class (unformat_input_t * input, va_list * args)
+{
+ vlib_log_class_data_t **class = va_arg (*args, vlib_log_class_data_t **);
+ uword rv = 0;
+ u8 *class_str = NULL;
+ vlib_log_main_t *lm = &log_main;
+ if (unformat (input, "%v", &class_str))
+ {
+ vlib_log_class_data_t *cdata;
+ vec_foreach (cdata, lm->classes)
+ {
+ if (vec_is_equal (cdata->name, class_str))
+ {
+ *class = cdata;
+ rv = 1;
+ break;
+ }
+ }
+ }
+ vec_free (class_str);
+ return rv;
+}
+
+static clib_error_t *
+set_log_class (vlib_main_t * vm,
+ unformat_input_t * input, vlib_cli_command_t * cmd)
+{
+ unformat_input_t _line_input, *line_input = &_line_input;
+ clib_error_t *rv = NULL;
+ int rate_limit;
+ bool set_rate_limit = false;
+ bool set_level = false;
+ bool set_syslog_level = false;
+ vlib_log_level_t level;
+ vlib_log_level_t syslog_level;
+
+ /* Get a line of input. */
+ if (!unformat_user (input, unformat_line_input, line_input))
+ return 0;
+
+ vlib_log_class_data_t *class = NULL;
+ if (!unformat (line_input, "%U", unformat_vlib_log_class, &class))
+ {
+ return clib_error_return (0, "unknown log class `%U'",
+ format_unformat_error, line_input);
+ }
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (line_input, "rate-limit %d", &rate_limit))
+ {
+ set_rate_limit = true;
+ }
+ else
+ if (unformat
+ (line_input, "level %U", unformat_vlib_log_level, &level))
+ {
+ set_level = true;
+ }
+ else
+ if (unformat
+ (line_input, "syslog-level %U", unformat_vlib_log_level,
+ &syslog_level))
+ {
+ set_syslog_level = true;
+ }
+ else
+ {
+ return clib_error_return (0, "unknown input `%U'",
+ format_unformat_error, line_input);
+ }
+ }
+
+ if (set_level)
+ {
+ vlib_log_subclass_data_t *subclass;
+ vec_foreach (subclass, class->subclasses)
+ {
+ subclass->level = level;
+ }
+ }
+ if (set_syslog_level)
+ {
+ vlib_log_subclass_data_t *subclass;
+ vec_foreach (subclass, class->subclasses)
+ {
+ subclass->syslog_level = syslog_level;
+ subclass->syslog_enabled = true;
+ }
+ }
+ else
+ {
+ vlib_log_subclass_data_t *subclass;
+ vec_foreach (subclass, class->subclasses)
+ {
+ subclass->syslog_enabled = false;
+ }
+ }
+ if (set_rate_limit)
+ {
+ vlib_log_subclass_data_t *subclass;
+ vec_foreach (subclass, class->subclasses)
+ {
+ subclass->rate_limit = rate_limit;
+ }
+ }
+
+ return rv;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (cli_set_log, static) = {
+ .path = "set logging class",
+ .short_help = "set loggging class <class> [rate-limit <int>] "
+ "[level <level>] [syslog-level <level>]",
+ .function = set_log_class,
+};
+/* *INDENT-ON* */
+
+static clib_error_t *
+set_log_unth_time (vlib_main_t * vm,
+ unformat_input_t * input, vlib_cli_command_t * cmd)
+{
+ unformat_input_t _line_input, *line_input = &_line_input;
+ clib_error_t *rv = NULL;
+ int unthrottle_time;
+ vlib_log_main_t *lm = &log_main;
+
+ /* Get a line of input. */
+ if (!unformat_user (input, unformat_line_input, line_input))
+ return 0;
+
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (line_input, "%d", &unthrottle_time))
+ lm->unthrottle_time = unthrottle_time;
+ else
+ return clib_error_return (0, "unknown input `%U'",
+ format_unformat_error, line_input);
+ }
+
+ return rv;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (cli_set_log_params, static) = {
+ .path = "set logging unthrottle-time",
+ .short_help = "set logging unthrottle-time <int>",
+ .function = set_log_unth_time,
+};
+/* *INDENT-ON* */
+
+static clib_error_t *
+set_log_size (vlib_main_t * vm,
+ unformat_input_t * input, vlib_cli_command_t * cmd)
+{
+ unformat_input_t _line_input, *line_input = &_line_input;
+ clib_error_t *rv = NULL;
+ int size;
+ vlib_log_main_t *lm = &log_main;
+
+ /* Get a line of input. */
+ if (!unformat_user (input, unformat_line_input, line_input))
+ return 0;
+
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (line_input, "%d", &size))
+ {
+ lm->size = size;
+ vec_validate (lm->entries, lm->size);
+ }
+ else
+ return clib_error_return (0, "unknown input `%U'",
+ format_unformat_error, line_input);
+ }
+
+ return rv;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (cli_set_log_size, static) = {
+ .path = "set logging size",
+ .short_help = "set logging size <int>",
+ .function = set_log_size,
+};
+/* *INDENT-ON* */
+
+static uword
+unformat_vlib_log_subclass (unformat_input_t * input, va_list * args)
+{
+ vlib_log_class_data_t *class = va_arg (*args, vlib_log_class_data_t *);
+ vlib_log_subclass_data_t **subclass =
+ va_arg (*args, vlib_log_subclass_data_t **);
+ uword rv = 0;
+ u8 *subclass_str = NULL;
+ if (unformat (input, "%v", &subclass_str))
+ {
+ vlib_log_subclass_data_t *scdata;
+ vec_foreach (scdata, class->subclasses)
+ {
+ if (vec_is_equal (scdata->name, subclass_str))
+ {
+ rv = 1;
+ *subclass = scdata;
+ break;
+ }
+ }
+ }
+ vec_free (subclass_str);
+ return rv;
+}
+
+static clib_error_t *
+test_log_class_subclass (vlib_main_t * vm,
+ unformat_input_t * input, vlib_cli_command_t * cmd)
+{
+ unformat_input_t _line_input, *line_input = &_line_input;
+ /* Get a line of input. */
+ if (!unformat_user (input, unformat_line_input, line_input))
+ return 0;
+
+ vlib_log_class_data_t *class = NULL;
+ vlib_log_subclass_data_t *subclass = NULL;
+ vlib_log_level_t level;
+ if (unformat (line_input, "%U", unformat_vlib_log_level, &level))
+ {
+ if (unformat (line_input, "%U", unformat_vlib_log_class, &class))
+ {
+ if (unformat
+ (line_input, "%U", unformat_vlib_log_subclass, class,
+ &subclass))
+ {
+ vlib_log (level,
+ (class->index << 16) | (subclass->index), "%U",
+ format_unformat_input, line_input);
+ }
+ else
+ {
+ return clib_error_return (0,
+ "unknown log subclass near beginning of `%U'",
+ format_unformat_error, line_input);
+ }
+ }
+ else
+ {
+ return clib_error_return (0,
+ "unknown log class near beginning of `%U'",
+ format_unformat_error, line_input);
+ }
+ }
+ else
+ {
+ return clib_error_return (0, "unknown log level near beginning of `%U'",
+ format_unformat_error, line_input);
+ }
+ return 0;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (cli_test_log, static) = {
+ .path = "test log",
+ .short_help = "test log <class> <subclass> <level> <message",
+ .function = test_log_class_subclass,
+};
+/* *INDENT-ON* */
+
+static clib_error_t *
+log_config (vlib_main_t * vm, unformat_input_t * input)
+{
+ vlib_log_main_t *lm = &log_main;
+ int size;
+
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (input, "size %d", &size))
+ {
+ lm->size = size;
+ vec_validate (lm->entries, lm->size);
+ }
+ else if (unformat (input, "unthrottle-time %d", &lm->unthrottle_time))
+ {
+ // nothing to do here
+ }
+ else
+ {
+ return unformat_parse_error (input);
+ }
+ }
+
+ return 0;
+}
+
+VLIB_EARLY_CONFIG_FUNCTION (log_config, "logging");
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
diff --git a/src/vlib/log.h b/src/vlib/log.h
new file mode 100644
index 00000000000..90862dcc9ec
--- /dev/null
+++ b/src/vlib/log.h
@@ -0,0 +1,63 @@
+/*
+ * Copyright (c) 2018 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_vlib_log_h
+#define included_vlib_log_h
+
+#include <vppinfra/types.h>
+
+typedef u32 vlib_log_class_t;
+
+#define foreach_vlib_log_level \
+ _(0, EMERG, emerg) \
+ _(1, ALERT, alert) \
+ _(2, CRIT, crit) \
+ _(3, ERR, err) \
+ _(4, WARNING, warn) \
+ _(5, NOTICE, notice) \
+ _(6, INFO, info) \
+ _(7, DEBUG, debug)
+
+typedef enum
+{
+#define _(n,uc,lc) VLIB_LOG_LEVEL_##uc = n,
+ foreach_vlib_log_level
+#undef _
+} vlib_log_level_t;
+
+
+vlib_log_class_t vlib_log_register_class (char *vlass, char *subclass);
+u32 vlib_log_get_indent ();
+void vlib_log (vlib_log_level_t level, vlib_log_class_t class, char *fmt,
+ ...);
+
+#define vlib_log_emerg(...) vlib_log(VLIB_LOG_LEVEL_EMERG, __VA_ARGS__)
+#define vlib_log_alert(...) vlib_log(VLIB_LOG_LEVEL_ALERT, __VA_ARGS__)
+#define vlib_log_crit(...) vlib_log(VLIB_LOG_LEVEL_CRIT, __VA_ARGS__)
+#define vlib_log_err(...) vlib_log(VLIB_LOG_LEVEL_ERR, __VA_ARGS__)
+#define vlib_log_warn(...) vlib_log(VLIB_LOG_LEVEL_WARN, __VA_ARGS__)
+#define vlib_log_notice(...) vlib_log(VLIB_LOG_LEVEL_NOTICE, __VA_ARGS__)
+#define vlib_log_info(...) vlib_log(VLIB_LOG_LEVEL_INFO, __VA_ARGS__)
+#define vlib_log_debug(...) vlib_log(VLIB_LOG_LEVEL_DEBUG, __VA_ARGS__)
+
+#endif /* included_vlib_log_h */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
diff --git a/src/vlib/vlib.h b/src/vlib/vlib.h
index eed5c5bc243..21c5b2aa814 100644
--- a/src/vlib/vlib.h
+++ b/src/vlib/vlib.h
@@ -59,6 +59,7 @@ struct vlib_main_t;
#include <vlib/mc.h>
#include <vlib/node.h>
#include <vlib/trace.h>
+#include <vlib/log.h>
/* Main include depends on other vlib/ includes so we put it last. */
#include <vlib/main.h>
diff --git a/src/vnet/bfd/bfd_main.c b/src/vnet/bfd/bfd_main.c
index 668a44e89e5..28ece316438 100644
--- a/src/vnet/bfd/bfd_main.c
+++ b/src/vnet/bfd/bfd_main.c
@@ -34,6 +34,7 @@
#include <vnet/bfd/bfd_debug.h>
#include <vnet/bfd/bfd_protocol.h>
#include <vnet/bfd/bfd_main.h>
+#include <vlib/log.h>
static u64
bfd_calc_echo_checksum (u32 discriminator, u64 expire_time, u32 secret)
@@ -403,6 +404,8 @@ void
bfd_session_start (bfd_main_t * bm, bfd_session_t * bs)
{
BFD_DBG ("\nStarting session: %U", format_bfd_session, bs);
+ vlib_log_info (bm->log_class, "start BFD session: %U",
+ format_bfd_session_brief, bs);
bfd_set_effective_required_min_rx (bm, bs,
bs->config_required_min_rx_clocks);
bfd_recalc_tx_interval (bm, bs);
@@ -419,6 +422,8 @@ bfd_session_set_flags (bfd_session_t * bs, u8 admin_up_down)
if (admin_up_down)
{
BFD_DBG ("Session set admin-up, bs-idx=%u", bs->bs_idx);
+ vlib_log_info (bm->log_class, "set session admin-up: %U",
+ format_bfd_session_brief, bs);
bfd_set_state (bm, bs, BFD_STATE_down, 0);
bfd_set_diag (bs, BFD_DIAG_CODE_no_diag);
bfd_calc_next_tx (bm, bs, now);
@@ -427,6 +432,8 @@ bfd_session_set_flags (bfd_session_t * bs, u8 admin_up_down)
else
{
BFD_DBG ("Session set admin-down, bs-idx=%u", bs->bs_idx);
+ vlib_log_info (bm->log_class, "set session admin-down: %U",
+ format_bfd_session_brief, bs);
bfd_set_diag (bs, BFD_DIAG_CODE_admin_down);
bfd_set_state (bm, bs, BFD_STATE_admin_down, 0);
bfd_calc_next_tx (bm, bs, now);
@@ -668,6 +675,7 @@ bfd_add_sha1_auth_section (vlib_buffer_t * b, bfd_session_t * bs)
static void
bfd_add_auth_section (vlib_buffer_t * b, bfd_session_t * bs)
{
+ bfd_main_t *bm = &bfd_main;
if (bs->auth.curr_key)
{
const bfd_auth_type_e auth_type = bs->auth.curr_key->auth_type;
@@ -680,8 +688,9 @@ bfd_add_auth_section (vlib_buffer_t * b, bfd_session_t * bs)
case BFD_AUTH_TYPE_keyed_md5:
/* fallthrough */
case BFD_AUTH_TYPE_meticulous_keyed_md5:
- clib_warning ("Internal error, unexpected BFD auth type '%d'",
- auth_type);
+ vlib_log_crit (bm->log_class,
+ "internal error, unexpected BFD auth type '%d'",
+ auth_type);
break;
#if WITH_LIBSSL > 0
case BFD_AUTH_TYPE_keyed_sha1:
@@ -693,8 +702,9 @@ bfd_add_auth_section (vlib_buffer_t * b, bfd_session_t * bs)
case BFD_AUTH_TYPE_keyed_sha1:
/* fallthrough */
case BFD_AUTH_TYPE_meticulous_keyed_sha1:
- clib_warning ("Internal error, unexpected BFD auth type '%d'",
- auth_type);
+ vlib_log_crit (bm->log_class,
+ "internal error, unexpected BFD auth type '%d'",
+ auth_type);
break;
#endif
}
@@ -768,7 +778,7 @@ bfd_send_echo (vlib_main_t * vm, vlib_node_runtime_t * rt,
u32 bi;
if (vlib_buffer_alloc (vm, &bi, 1) != 1)
{
- clib_warning ("buffer allocation failure");
+ vlib_log_crit (bm->log_class, "buffer allocation failure");
return;
}
vlib_buffer_t *b = vlib_get_buffer (vm, bi);
@@ -842,7 +852,7 @@ bfd_send_periodic (vlib_main_t * vm, vlib_node_runtime_t * rt,
u32 bi;
if (vlib_buffer_alloc (vm, &bi, 1) != 1)
{
- clib_warning ("buffer allocation failure");
+ vlib_log_crit (bm->log_class, "buffer allocation failure");
return;
}
vlib_buffer_t *b = vlib_get_buffer (vm, bi);
@@ -1063,7 +1073,7 @@ bfd_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
}
break;
default:
- clib_warning ("BUG: event type 0x%wx", event_type);
+ vlib_log_err (bm->log_class, "BUG: event type 0x%wx", event_type);
break;
}
BFD_DBG ("advancing wheel, now is %lu", now);
@@ -1166,6 +1176,8 @@ bfd_main_init (vlib_main_t * vm)
const u64 now = clib_cpu_time_now ();
timing_wheel_init (&bm->wheel, now, bm->cpu_cps);
bm->wheel_inaccuracy = 2 << bm->wheel.log2_clocks_per_bin;
+ bm->log_class = vlib_log_register_class ("bfd", 0);
+ vlib_log_debug (bm->log_class, "initialized");
return 0;
}
@@ -1186,8 +1198,9 @@ bfd_get_session (bfd_main_t * bm, bfd_transport_e t)
result->local_discr = random_u32 (&bm->random_seed);
if (counter > limit)
{
- clib_warning ("Couldn't allocate unused session discriminator even "
- "after %u tries!", limit);
+ vlib_log_crit (bm->log_class,
+ "couldn't allocate unused session discriminator even "
+ "after %u tries!", limit);
pool_put (bm->sessions, result);
return NULL;
}
@@ -1202,6 +1215,8 @@ bfd_get_session (bfd_main_t * bm, bfd_transport_e t)
void
bfd_put_session (bfd_main_t * bm, bfd_session_t * bs)
{
+ vlib_log_info (bm->log_class, "delete session: %U",
+ format_bfd_session_brief, bs);
bfd_notify_listeners (bm, BFD_LISTEN_EVENT_DELETE, bs);
if (bs->auth.curr_key)
{
@@ -1468,23 +1483,27 @@ bfd_verify_pkt_auth_key (const bfd_pkt_t * pkt, u32 pkt_size,
bfd_session_t * bs, u8 bfd_key_id,
bfd_auth_key_t * auth_key)
{
+ bfd_main_t *bm = &bfd_main;
switch (auth_key->auth_type)
{
case BFD_AUTH_TYPE_reserved:
- clib_warning ("Internal error, unexpected auth_type=%d:%s",
+ vlib_log_err (bm->log_class,
+ "internal error, unexpected auth_type=%d:%s",
auth_key->auth_type,
bfd_auth_type_str (auth_key->auth_type));
return 0;
case BFD_AUTH_TYPE_simple_password:
- clib_warning
- ("Internal error, not implemented, unexpected auth_type=%d:%s",
- auth_key->auth_type, bfd_auth_type_str (auth_key->auth_type));
+ vlib_log_err (bm->log_class,
+ "internal error, not implemented, unexpected auth_type=%d:%s",
+ auth_key->auth_type,
+ bfd_auth_type_str (auth_key->auth_type));
return 0;
case BFD_AUTH_TYPE_keyed_md5:
/* fallthrough */
case BFD_AUTH_TYPE_meticulous_keyed_md5:
- clib_warning
- ("Internal error, not implemented, unexpected auth_type=%d:%s",
+ vlib_log_err
+ (bm->log_class,
+ "internal error, not implemented, unexpected auth_type=%d:%s",
auth_key->auth_type, bfd_auth_type_str (auth_key->auth_type));
return 0;
case BFD_AUTH_TYPE_keyed_sha1:
@@ -1504,8 +1523,9 @@ bfd_verify_pkt_auth_key (const bfd_pkt_t * pkt, u32 pkt_size,
}
while (0);
#else
- clib_warning
- ("Internal error, attempt to use SHA1 without SSL support");
+ vlib_log_err
+ (bm->log_class,
+ "internal error, attempt to use SHA1 without SSL support");
return 0;
#endif
}
@@ -1625,8 +1645,9 @@ bfd_consume_pkt (bfd_main_t * bm, const bfd_pkt_t * pkt, u32 bs_idx)
case BFD_AUTH_TYPE_keyed_md5:
/* fallthrough */
case BFD_AUTH_TYPE_meticulous_keyed_md5:
- clib_warning ("Internal error, unexpected auth_type=%d:%s",
- auth_type, bfd_auth_type_str (auth_type));
+ vlib_log_crit (bm->log_class,
+ "internal error, unexpected auth_type=%d:%s",
+ auth_type, bfd_auth_type_str (auth_type));
break;
case BFD_AUTH_TYPE_keyed_sha1:
/* fallthrough */
@@ -1768,7 +1789,7 @@ u8 *
format_bfd_session (u8 * s, va_list * args)
{
const bfd_session_t *bs = va_arg (*args, bfd_session_t *);
- u32 indent = format_get_indent (s);
+ u32 indent = format_get_indent (s) + vlib_log_get_indent ();
s = format (s, "bs_idx=%u local-state=%s remote-state=%s\n"
"%Ulocal-discriminator=%u remote-discriminator=%u\n"
"%Ulocal-diag=%s echo-active=%s\n"
@@ -1800,6 +1821,17 @@ format_bfd_session (u8 * s, va_list * args)
return s;
}
+u8 *
+format_bfd_session_brief (u8 * s, va_list * args)
+{
+ const bfd_session_t *bs = va_arg (*args, bfd_session_t *);
+ s =
+ format (s, "bs_idx=%u local-state=%s remote-state=%s", bs->bs_idx,
+ bfd_state_string (bs->local_state),
+ bfd_state_string (bs->remote_state));
+ return s;
+}
+
unsigned
bfd_auth_type_supported (bfd_auth_type_e auth_type)
{
@@ -1820,7 +1852,8 @@ bfd_auth_activate (bfd_session_t * bs, u32 conf_key_id,
hash_get (bm->auth_key_by_conf_key_id, conf_key_id);
if (!key_idx_p)
{
- clib_warning ("Authentication key with config ID %u doesn't exist)",
+ vlib_log_err (bm->log_class,
+ "authentication key with config ID %u doesn't exist)",
conf_key_id);
return VNET_API_ERROR_BFD_ENOENT;
}
@@ -1854,12 +1887,15 @@ bfd_auth_activate (bfd_session_t * bs, u32 conf_key_id,
}
++key->use_count;
BFD_DBG ("\nSession auth modified: %U", format_bfd_session, bs);
+ vlib_log_info (bm->log_class, "session auth modified: %U",
+ format_bfd_session_brief, bs);
return 0;
}
vnet_api_error_t
bfd_auth_deactivate (bfd_session_t * bs, u8 is_delayed)
{
+ bfd_main_t *bm = &bfd_main;
#if WITH_LIBSSL > 0
if (!is_delayed)
{
@@ -1888,9 +1924,12 @@ bfd_auth_deactivate (bfd_session_t * bs, u8 is_delayed)
bs->auth.next_key = NULL;
}
BFD_DBG ("\nSession auth modified: %U", format_bfd_session, bs);
+ vlib_log_info (bm->log_class, "session auth modified: %U",
+ format_bfd_session_brief, bs);
return 0;
#else
- clib_warning ("SSL missing, cannot deactivate BFD authentication");
+ vlib_log_err (bm->log_class,
+ "SSL missing, cannot deactivate BFD authentication");
return VNET_API_ERROR_BFD_NOTSUPP;
#endif
}
@@ -1946,6 +1985,8 @@ bfd_session_set_params (bfd_main_t * bm, bfd_session_t * bs,
bfd_usec_to_clocks (bm, required_min_rx_usec);
BFD_DBG ("\nChanged session params: %U", format_bfd_session, bs);
+ vlib_log_info (bm->log_class, "changed session params: %U",
+ format_bfd_session_brief, bs);
vlib_process_signal_event (bm->vlib_main, bm->bfd_process_node_index,
BFD_EVENT_CONFIG_CHANGED, bs->bs_idx);
}
@@ -1960,24 +2001,24 @@ vnet_api_error_t
bfd_auth_set_key (u32 conf_key_id, u8 auth_type, u8 key_len,
const u8 * key_data)
{
+ bfd_main_t *bm = &bfd_main;
#if WITH_LIBSSL > 0
bfd_auth_key_t *auth_key = NULL;
if (!key_len || key_len > bfd_max_key_len_for_auth_type (auth_type))
{
- clib_warning ("Invalid authentication key length for auth_type=%d:%s "
- "(key_len=%u, must be "
- "non-zero, expected max=%u)",
+ vlib_log_err (bm->log_class,
+ "invalid authentication key length for auth_type=%d:%s "
+ "(key_len=%u, must be non-zero, expected max=%u)",
auth_type, bfd_auth_type_str (auth_type), key_len,
(u32) bfd_max_key_len_for_auth_type (auth_type));
return VNET_API_ERROR_INVALID_VALUE;
}
if (!bfd_auth_type_supported (auth_type))
{
- clib_warning ("Unsupported auth type=%d:%s", auth_type,
+ vlib_log_err (bm->log_class, "unsupported auth type=%d:%s", auth_type,
bfd_auth_type_str (auth_type));
return VNET_API_ERROR_BFD_NOTSUPP;
}
- bfd_main_t *bm = &bfd_main;
uword *key_idx_p = hash_get (bm->auth_key_by_conf_key_id, conf_key_id);
if (key_idx_p)
{
@@ -1986,9 +2027,10 @@ bfd_auth_set_key (u32 conf_key_id, u8 auth_type, u8 key_len,
auth_key = pool_elt_at_index (bm->auth_keys, key_idx);
if (auth_key->use_count > 0)
{
- clib_warning ("Authentication key with conf ID %u in use by %u BFD "
- "session(s) - cannot modify",
- conf_key_id, auth_key->use_count);
+ vlib_log_err (bm->log_class,
+ "authentication key with conf ID %u in use by %u BFD "
+ "session(s) - cannot modify", conf_key_id,
+ auth_key->use_count);
return VNET_API_ERROR_BFD_EINUSE;
}
}
@@ -2005,7 +2047,8 @@ bfd_auth_set_key (u32 conf_key_id, u8 auth_type, u8 key_len,
clib_memcpy (auth_key->key, key_data, key_len);
return 0;
#else
- clib_warning ("SSL missing, cannot manipulate authentication keys");
+ vlib_log_err (bm->log_class,
+ "SSL missing, cannot manipulate authentication keys");
return VNET_API_ERROR_BFD_NOTSUPP;
#endif
}
@@ -2024,9 +2067,10 @@ bfd_auth_del_key (u32 conf_key_id)
auth_key = pool_elt_at_index (bm->auth_keys, key_idx);
if (auth_key->use_count > 0)
{
- clib_warning ("Authentication key with conf ID %u in use by %u BFD "
- "session(s) - cannot delete",
- conf_key_id, auth_key->use_count);
+ vlib_log_err (bm->log_class,
+ "authentication key with conf ID %u in use by %u BFD "
+ "session(s) - cannot delete", conf_key_id,
+ auth_key->use_count);
return VNET_API_ERROR_BFD_EINUSE;
}
hash_unset (bm->auth_key_by_conf_key_id, conf_key_id);
@@ -2036,13 +2080,15 @@ bfd_auth_del_key (u32 conf_key_id)
else
{
/* no such key */
- clib_warning ("Authentication key with conf ID %u does not exist",
+ vlib_log_err (bm->log_class,
+ "authentication key with conf ID %u does not exist",
conf_key_id);
return VNET_API_ERROR_BFD_ENOENT;
}
return 0;
#else
- clib_warning ("SSL missing, cannot manipulate authentication keys");
+ vlib_log_err (bm->log_class,
+ "SSL missing, cannot manipulate authentication keys");
return VNET_API_ERROR_BFD_NOTSUPP;
#endif
}
diff --git a/src/vnet/bfd/bfd_main.h b/src/vnet/bfd/bfd_main.h
index 93adac3dc8d..9e2a12e1f9b 100644
--- a/src/vnet/bfd/bfd_main.h
+++ b/src/vnet/bfd/bfd_main.h
@@ -23,6 +23,7 @@
#include <vnet/vnet.h>
#include <vnet/bfd/bfd_protocol.h>
#include <vnet/bfd/bfd_udp.h>
+#include <vlib/log.h>
#define foreach_bfd_mode(F) \
F (asynchronous) \
@@ -296,8 +297,11 @@ typedef struct
/** hashmap - index in pool auth_keys by conf_key_id */
u32 *auth_key_by_conf_key_id;
- /** A vector of callback notification functions */
+ /** vector of callback notification functions */
bfd_notify_fn_t *listeners;
+
+ /** log class */
+ vlib_log_class_t log_class;
} bfd_main_t;
extern bfd_main_t bfd_main;
@@ -358,6 +362,7 @@ void bfd_init_final_control_frame (vlib_main_t * vm, vlib_buffer_t * b,
bfd_main_t * bm, bfd_session_t * bs,
int is_local);
u8 *format_bfd_session (u8 * s, va_list * args);
+u8 *format_bfd_session_brief (u8 * s, va_list * args);
u8 *format_bfd_auth_key (u8 * s, va_list * args);
void bfd_session_set_flags (bfd_session_t * bs, u8 admin_up_down);
unsigned bfd_auth_type_supported (bfd_auth_type_e auth_type);
diff --git a/src/vnet/bfd/bfd_udp.c b/src/vnet/bfd/bfd_udp.c
index 533d98d6865..5464ce91f57 100644
--- a/src/vnet/bfd/bfd_udp.c
+++ b/src/vnet/bfd/bfd_udp.c
@@ -59,6 +59,8 @@ typedef struct
u32 ip4_rewrite_idx;
/* node index of "ip6-rewrite" node */
u32 ip6_rewrite_idx;
+ /* log class */
+ vlib_log_class_t log_class;
} bfd_udp_main_t;
static vlib_node_registration_t bfd_udp4_input_node;
@@ -481,7 +483,8 @@ bfd_udp_add_session_internal (bfd_udp_main_t * bum, u32 sw_if_index,
const bfd_session_t *tmp = bfd_lookup_session (bum, key);
if (tmp)
{
- clib_warning ("duplicate bfd-udp session, existing bs_idx=%d",
+ vlib_log_err (bum->log_class,
+ "duplicate bfd-udp session, existing bs_idx=%d",
tmp->bs_idx);
bfd_put_session (bum->bfd_main, bs);
return VNET_API_ERROR_BFD_EEXIST;
@@ -491,6 +494,8 @@ bfd_udp_add_session_internal (bfd_udp_main_t * bum, u32 sw_if_index,
bs->bs_idx, key->sw_if_index, format_ip46_address,
&key->local_addr, IP46_TYPE_ANY, format_ip46_address,
&key->peer_addr, IP46_TYPE_ANY);
+ vlib_log_info (bum->log_class, "create BFD session: %U",
+ format_bfd_session, bs);
if (BFD_TRANSPORT_UDP4 == t)
{
bus->adj_index = adj_nbr_add_or_lock (FIB_PROTOCOL_IP4, VNET_LINK_IP4,
@@ -519,20 +524,24 @@ bfd_udp_validate_api_input (u32 sw_if_index,
const ip46_address_t * local_addr,
const ip46_address_t * peer_addr)
{
+ bfd_udp_main_t *bum = &bfd_udp_main;
vnet_sw_interface_t *sw_if =
vnet_get_sw_interface_safe (bfd_udp_main.vnet_main, sw_if_index);
u8 local_ip_valid = 0;
ip_interface_address_t *ia = NULL;
if (!sw_if)
{
- clib_warning ("got NULL sw_if");
+ vlib_log_err (bum->log_class,
+ "got NULL sw_if when getting interface by index %u",
+ sw_if_index);
return VNET_API_ERROR_INVALID_SW_IF_INDEX;
}
if (ip46_address_is_ip4 (local_addr))
{
if (!ip46_address_is_ip4 (peer_addr))
{
- clib_warning ("IP family mismatch");
+ vlib_log_err (bum->log_class,
+ "IP family mismatch (local is ipv4, peer is ipv6)");
return VNET_API_ERROR_INVALID_ARGUMENT;
}
ip4_main_t *im = &ip4_main;
@@ -555,7 +564,8 @@ bfd_udp_validate_api_input (u32 sw_if_index,
{
if (ip46_address_is_ip4 (peer_addr))
{
- clib_warning ("IP family mismatch");
+ vlib_log_err (bum->log_class,
+ "IP family mismatch (local is ipv6, peer is ipv4)");
return VNET_API_ERROR_INVALID_ARGUMENT;
}
ip6_main_t *im = &ip6_main;
@@ -577,7 +587,10 @@ bfd_udp_validate_api_input (u32 sw_if_index,
if (!local_ip_valid)
{
- clib_warning ("address not found on interface");
+ vlib_log_err (bum->log_class,
+ "local address %U not found on interface with index %u",
+ format_ip46_address, IP46_TYPE_ANY, local_addr,
+ sw_if_index);
return VNET_API_ERROR_ADDRESS_NOT_FOUND_FOR_INTERFACE;
}
@@ -604,10 +617,11 @@ bfd_udp_find_session_by_api_input (u32 sw_if_index,
}
else
{
- clib_warning
- ("BFD session not found (sw_if_index=%u, local=%U, peer=%U",
- sw_if_index, format_ip46_address, local_addr, IP46_TYPE_ANY,
- format_ip46_address, peer_addr, IP46_TYPE_ANY);
+ vlib_log_err (bum->log_class,
+ "BFD session not found, sw_if_index=%u, local=%U, peer=%U",
+ sw_if_index, format_ip46_address, local_addr,
+ IP46_TYPE_ANY, format_ip46_address, peer_addr,
+ IP46_TYPE_ANY);
return VNET_API_ERROR_BFD_ENOENT;
}
}
@@ -620,6 +634,7 @@ bfd_api_verify_common (u32 sw_if_index, u32 desired_min_tx_usec,
const ip46_address_t * local_addr,
const ip46_address_t * peer_addr)
{
+ bfd_udp_main_t *bum = &bfd_udp_main;
vnet_api_error_t rv =
bfd_udp_validate_api_input (sw_if_index, local_addr, peer_addr);
if (rv)
@@ -628,12 +643,12 @@ bfd_api_verify_common (u32 sw_if_index, u32 desired_min_tx_usec,
}
if (detect_mult < 1)
{
- clib_warning ("detect_mult < 1");
+ vlib_log_err (bum->log_class, "detect_mult < 1");
return VNET_API_ERROR_INVALID_ARGUMENT;
}
if (desired_min_tx_usec < 1)
{
- clib_warning ("desired_min_tx_usec < 1");
+ vlib_log_err (bum->log_class, "desired_min_tx_usec < 1");
return VNET_API_ERROR_INVALID_ARGUMENT;
}
return 0;
@@ -675,7 +690,8 @@ bfd_udp_add_session (u32 sw_if_index, const ip46_address_t * local_addr,
rv = bfd_auth_activate (bs, conf_key_id, bfd_key_id,
0 /* is not delayed */ );
#else
- clib_warning ("SSL missing, cannot add authenticated BFD session");
+ vlib_log_err (bfd_udp_main.log_class,
+ "SSL missing, cannot add authenticated BFD session");
rv = VNET_API_ERROR_BFD_NOTSUPP;
#endif
if (rv)
@@ -763,7 +779,8 @@ bfd_udp_auth_activate (u32 sw_if_index,
}
return bfd_auth_activate (bs, conf_key_id, key_id, is_delayed);
#else
- clib_warning ("SSL missing, cannot activate BFD authentication");
+ vlib_log_err (bfd_udp_main->log_class,
+ "SSL missing, cannot activate BFD authentication");
return VNET_API_ERROR_BFD_NOTSUPP;
#endif
}
@@ -1443,6 +1460,7 @@ static clib_error_t *
bfd_udp_sw_if_add_del (vnet_main_t * vnm, u32 sw_if_index, u32 is_create)
{
bfd_session_t **to_be_freed = NULL;
+ bfd_udp_main_t *bum = &bfd_udp_main;
BFD_DBG ("sw_if_add_del called, sw_if_index=%u, is_create=%u", sw_if_index,
is_create);
if (!is_create)
@@ -1463,8 +1481,9 @@ bfd_udp_sw_if_add_del (vnet_main_t * vnm, u32 sw_if_index, u32 is_create)
bfd_session_t **bs;
vec_foreach (bs, to_be_freed)
{
- clib_warning ("removal of sw_if_index=%u forces removal of bfd session "
- "with bs_idx=%u", sw_if_index, (*bs)->bs_idx);
+ vlib_log_notice (bum->log_class,
+ "removal of sw_if_index=%u forces removal of bfd session "
+ "with bs_idx=%u", sw_if_index, (*bs)->bs_idx);
bfd_session_set_flags (*bs, 0);
bfd_udp_del_session_internal (*bs);
}
@@ -1502,6 +1521,8 @@ bfd_udp_init (vlib_main_t * vm)
ASSERT (node);
bfd_udp_main.ip6_rewrite_idx = node->index;
+ bfd_udp_main.log_class = vlib_log_register_class ("bfd", "udp");
+ vlib_log_debug (bfd_udp_main.log_class, "initialized");
return 0;
}
diff --git a/src/vnet/devices/tap/tap.c b/src/vnet/devices/tap/tap.c
index 8005b347391..7cffaafb1e2 100644
--- a/src/vnet/devices/tap/tap.c
+++ b/src/vnet/devices/tap/tap.c
@@ -31,6 +31,7 @@
#include <linux/rtnetlink.h>
#include <vlib/vlib.h>
+#include <vlib/log.h>
#include <vlib/unix/unix.h>
#include <vnet/ethernet/ethernet.h>
#include <vnet/ip/ip4_packet.h>
@@ -519,11 +520,19 @@ tap_dump_ifs (tap_interface_details_t ** out_tapids)
return 0;
}
+#define vlib_log_info(...) vlib_log(VLIB_LOG_LEVEL_INFO, __VA_ARGS__)
+
static clib_error_t *
tap_init (vlib_main_t * vm)
{
tap_main_t *tm = &tap_main;
+ clib_error_t *error;
+ error = vlib_call_init_function (vm, vlib_log_init);
+ if (error)
+ return error;
tm->dev_instance_by_interface_id = hash_create (0, sizeof (uword));
+ tm->log_default = vlib_log_register_class ("tap", 0);
+ vlib_log_info (tm->log_default, "initialized");
return 0;
}
diff --git a/src/vnet/devices/tap/tap.h b/src/vnet/devices/tap/tap.h
index 98af0d8f3ab..6e46302770d 100644
--- a/src/vnet/devices/tap/tap.h
+++ b/src/vnet/devices/tap/tap.h
@@ -69,6 +69,9 @@ typedef struct
{
u32 last_used_interface_id;
uword *dev_instance_by_interface_id;
+
+ /* logging */
+ vlib_log_class_t log_default;
} tap_main_t;
void tap_create_if (vlib_main_t * vm, tap_create_if_args_t * args);