The syslog facility property is better handled in lib/log
rather than in eal. This also allows for changes to what
syslog flag means in later steps.

Signed-off-by: Stephen Hemminger <step...@networkplumber.org>
---
 lib/eal/common/eal_common_options.c | 51 ++---------------------------
 lib/eal/freebsd/eal.c               |  5 ++-
 lib/eal/linux/eal.c                 |  7 ++--
 lib/eal/windows/eal.c               |  6 ++--
 lib/log/log_freebsd.c               |  2 +-
 lib/log/log_internal.h              |  5 ++-
 lib/log/log_linux.c                 | 47 ++++++++++++++++++++++++--
 lib/log/log_windows.c               |  8 ++++-
 lib/log/version.map                 |  1 +
 9 files changed, 68 insertions(+), 64 deletions(-)

diff --git a/lib/eal/common/eal_common_options.c 
b/lib/eal/common/eal_common_options.c
index 5435399b85..661b2db211 100644
--- a/lib/eal/common/eal_common_options.c
+++ b/lib/eal/common/eal_common_options.c
@@ -6,9 +6,6 @@
 #include <stdlib.h>
 #include <string.h>
 #include <pthread.h>
-#ifndef RTE_EXEC_ENV_WINDOWS
-#include <syslog.h>
-#endif
 #include <ctype.h>
 #include <limits.h>
 #include <errno.h>
@@ -349,10 +346,6 @@ eal_reset_internal_config(struct internal_config 
*internal_cfg)
        }
        internal_cfg->base_virtaddr = 0;
 
-#ifdef LOG_DAEMON
-       internal_cfg->syslog_facility = LOG_DAEMON;
-#endif
-
        /* if set to NONE, interrupt mode is determined automatically */
        internal_cfg->vfio_intr_mode = RTE_INTR_MODE_NONE;
        memset(internal_cfg->vfio_vf_token, 0,
@@ -1297,47 +1290,6 @@ eal_parse_lcores(const char *lcores)
        return ret;
 }
 
-#ifndef RTE_EXEC_ENV_WINDOWS
-static int
-eal_parse_syslog(const char *facility, struct internal_config *conf)
-{
-       int i;
-       static const struct {
-               const char *name;
-               int value;
-       } map[] = {
-               { "auth", LOG_AUTH },
-               { "cron", LOG_CRON },
-               { "daemon", LOG_DAEMON },
-               { "ftp", LOG_FTP },
-               { "kern", LOG_KERN },
-               { "lpr", LOG_LPR },
-               { "mail", LOG_MAIL },
-               { "news", LOG_NEWS },
-               { "syslog", LOG_SYSLOG },
-               { "user", LOG_USER },
-               { "uucp", LOG_UUCP },
-               { "local0", LOG_LOCAL0 },
-               { "local1", LOG_LOCAL1 },
-               { "local2", LOG_LOCAL2 },
-               { "local3", LOG_LOCAL3 },
-               { "local4", LOG_LOCAL4 },
-               { "local5", LOG_LOCAL5 },
-               { "local6", LOG_LOCAL6 },
-               { "local7", LOG_LOCAL7 },
-               { NULL, 0 }
-       };
-
-       for (i = 0; map[i].name; i++) {
-               if (!strcmp(facility, map[i].name)) {
-                       conf->syslog_facility = map[i].value;
-                       return 0;
-               }
-       }
-       return -1;
-}
-#endif
-
 static void
 eal_log_usage(void)
 {
@@ -1663,6 +1615,7 @@ eal_log_level_parse(int argc, char * const argv[])
 
                switch (opt) {
                case OPT_LOG_LEVEL_NUM:
+               case OPT_SYSLOG_NUM:
                        if (eal_parse_common_option(opt, optarg, internal_conf) 
< 0)
                                return -1;
                        break;
@@ -1882,7 +1835,7 @@ eal_parse_common_option(int opt, const char *optarg,
 
 #ifndef RTE_EXEC_ENV_WINDOWS
        case OPT_SYSLOG_NUM:
-               if (eal_parse_syslog(optarg, conf) < 0) {
+               if (eal_log_syslog(optarg) < 0) {
                        EAL_LOG(ERR, "invalid parameters for --"
                                        OPT_SYSLOG);
                        return -1;
diff --git a/lib/eal/freebsd/eal.c b/lib/eal/freebsd/eal.c
index 17b56f38aa..6552f9c138 100644
--- a/lib/eal/freebsd/eal.c
+++ b/lib/eal/freebsd/eal.c
@@ -11,7 +11,6 @@
 #include <stdarg.h>
 #include <unistd.h>
 #include <pthread.h>
-#include <syslog.h>
 #include <getopt.h>
 #include <sys/file.h>
 #include <stddef.h>
@@ -392,8 +391,8 @@ eal_parse_args(int argc, char **argv)
                        goto out;
                }
 
-               /* eal_log_level_parse() already handled this option */
-               if (opt == OPT_LOG_LEVEL_NUM)
+               /* eal_log_level_parse() already handled these */
+               if (opt == OPT_LOG_LEVEL_NUM || opt == OPT_LOG_SYSLOG_NUM)
                        continue;
 
                ret = eal_parse_common_option(opt, optarg, internal_conf);
diff --git a/lib/eal/linux/eal.c b/lib/eal/linux/eal.c
index 23dc26b124..3d0c34063e 100644
--- a/lib/eal/linux/eal.c
+++ b/lib/eal/linux/eal.c
@@ -610,8 +610,8 @@ eal_parse_args(int argc, char **argv)
                        goto out;
                }
 
-               /* eal_log_level_parse() already handled this option */
-               if (opt == OPT_LOG_LEVEL_NUM)
+               /* eal_log_level_parse() already handled these options */
+               if (opt == OPT_LOG_LEVEL_NUM || opt == OPT_SYSLOG_NUM)
                        continue;
 
                ret = eal_parse_common_option(opt, optarg, internal_conf);
@@ -1106,8 +1106,7 @@ rte_eal_init(int argc, char **argv)
 #endif
        }
 
-       if (eal_log_init(program_invocation_short_name,
-                        internal_conf->syslog_facility) < 0) {
+       if (eal_log_init(program_invocation_short_name) < 0) {
                rte_eal_init_alert("Cannot init logging.");
                rte_errno = ENOMEM;
                rte_atomic_store_explicit(&run_once, 0, 
rte_memory_order_relaxed);
diff --git a/lib/eal/windows/eal.c b/lib/eal/windows/eal.c
index 44e20643f2..14e498a643 100644
--- a/lib/eal/windows/eal.c
+++ b/lib/eal/windows/eal.c
@@ -120,8 +120,8 @@ eal_parse_args(int argc, char **argv)
                        return -1;
                }
 
-               /* eal_log_level_parse() already handled this option */
-               if (opt == OPT_LOG_LEVEL_NUM)
+               /* eal_log_level_parse() already handled these options */
+               if (opt == OPT_LOG_LEVEL_NUM || opt == OPT_SYSLOG_NUM)
                        continue;
 
                ret = eal_parse_common_option(opt, optarg, internal_conf);
@@ -250,7 +250,7 @@ rte_eal_init(int argc, char **argv)
        char cpuset[RTE_CPU_AFFINITY_STR_LEN];
        char thread_name[RTE_THREAD_NAME_SIZE];
 
-       eal_log_init(NULL, 0);
+       eal_log_init(NULL);
 
        eal_log_level_parse(argc, argv);
 
diff --git a/lib/log/log_freebsd.c b/lib/log/log_freebsd.c
index 698d3c5423..953e371bee 100644
--- a/lib/log/log_freebsd.c
+++ b/lib/log/log_freebsd.c
@@ -6,7 +6,7 @@
 #include "log_internal.h"
 
 int
-eal_log_init(__rte_unused const char *id, __rte_unused int facility)
+eal_log_init(__rte_unused const char *id)
 {
        return 0;
 }
diff --git a/lib/log/log_internal.h b/lib/log/log_internal.h
index 451629f1c1..cb15cdff08 100644
--- a/lib/log/log_internal.h
+++ b/lib/log/log_internal.h
@@ -14,7 +14,7 @@
  * Initialize the default log stream.
  */
 __rte_internal
-int eal_log_init(const char *id, int facility);
+int eal_log_init(const char *id);
 
 /*
  * Determine where log data is written when no call to rte_openlog_stream.
@@ -30,6 +30,9 @@ int eal_log_save_regexp(const char *regexp, uint32_t level);
 __rte_internal
 int eal_log_save_pattern(const char *pattern, uint32_t level);
 
+__rte_internal
+int eal_log_syslog(const char *name);
+
 /*
  * Convert log level to string.
  */
diff --git a/lib/log/log_linux.c b/lib/log/log_linux.c
index 2dfb0c974b..47aa074da2 100644
--- a/lib/log/log_linux.c
+++ b/lib/log/log_linux.c
@@ -3,13 +3,56 @@
  */
 
 #include <stdio.h>
+#include <string.h>
 #include <sys/types.h>
 #include <syslog.h>
 
+#include <rte_common.h>
 #include <rte_log.h>
 
 #include "log_internal.h"
 
+static int log_facility = LOG_DAEMON;
+
+static const struct {
+       const char *name;
+       int value;
+} facilitys[] = {
+       { "auth", LOG_AUTH },
+       { "cron", LOG_CRON },
+       { "daemon", LOG_DAEMON },
+       { "ftp", LOG_FTP },
+       { "kern", LOG_KERN },
+       { "lpr", LOG_LPR },
+       { "mail", LOG_MAIL },
+       { "news", LOG_NEWS },
+       { "syslog", LOG_SYSLOG },
+       { "user", LOG_USER },
+       { "uucp", LOG_UUCP },
+       { "local0", LOG_LOCAL0 },
+       { "local1", LOG_LOCAL1 },
+       { "local2", LOG_LOCAL2 },
+       { "local3", LOG_LOCAL3 },
+       { "local4", LOG_LOCAL4 },
+       { "local5", LOG_LOCAL5 },
+       { "local6", LOG_LOCAL6 },
+       { "local7", LOG_LOCAL7 },
+};
+
+int
+eal_log_syslog(const char *name)
+{
+       unsigned int i;
+
+       for (i = 0; i < RTE_DIM(facilitys); i++) {
+               if (!strcmp(name, facilitys[i].name)) {
+                       log_facility = facilitys[i].value;
+                       return 0;
+               }
+       }
+       return -1;
+}
+
 /*
  * default log function
  */
@@ -45,7 +88,7 @@ static cookie_io_functions_t console_log_func = {
  * once memzones are available.
  */
 int
-eal_log_init(const char *id, int facility)
+eal_log_init(const char *id)
 {
        FILE *log_stream;
 
@@ -53,7 +96,7 @@ eal_log_init(const char *id, int facility)
        if (log_stream == NULL)
                return -1;
 
-       openlog(id, LOG_NDELAY | LOG_PID, facility);
+       openlog(id, LOG_NDELAY | LOG_PID, log_facility);
 
        eal_log_set_default(log_stream);
 
diff --git a/lib/log/log_windows.c b/lib/log/log_windows.c
index a6a0889550..a3a756351d 100644
--- a/lib/log/log_windows.c
+++ b/lib/log/log_windows.c
@@ -6,9 +6,15 @@
 #include <rte_log.h>
 #include "log_internal.h"
 
+int
+eal_log_syslog(const char *name __rte_unused)
+{
+       return -1; /* not used */
+}
+
 /* set the log to default function, called during eal init process. */
 int
-eal_log_init(__rte_unused const char *id, __rte_unused int facility)
+eal_log_init(__rte_unused const char *id)
 {
        rte_openlog_stream(stderr);
 
diff --git a/lib/log/version.map b/lib/log/version.map
index 0648f8831a..9c6c49bf06 100644
--- a/lib/log/version.map
+++ b/lib/log/version.map
@@ -30,5 +30,6 @@ INTERNAL {
        eal_log_save_pattern;
        eal_log_save_regexp;
        eal_log_set_default;
+       eal_log_syslog;
        rte_eal_log_cleanup;
 };
-- 
2.43.0

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