[systemd-commits] 2 commits - TODO man/systemd.resource-control.xml man/systemd.socket.xml man/udev.xml src/core src/journal src/shared src/systemctl src/test src/udev

Lennart Poettering lennart at kemper.freedesktop.org
Sat Feb 22 18:20:00 PST 2014


 TODO                                  |    2 +
 man/systemd.resource-control.xml      |    7 ++--
 man/systemd.socket.xml                |   21 ++++++++-----
 man/udev.xml                          |   10 ++++--
 src/core/load-fragment-gperf.gperf.m4 |    6 +--
 src/core/load-fragment.c              |   14 ++++----
 src/journal/journald-gperf.gperf      |   12 +++----
 src/shared/conf-parser.c              |   44 ++++++++++++++++++++++------
 src/shared/conf-parser.h              |    5 +--
 src/shared/util.c                     |   53 +++++++++++++++++++++++++++++-----
 src/shared/util.h                     |    3 +
 src/systemctl/systemctl.c             |    4 +-
 src/test/test-util.c                  |   32 ++++++++++----------
 src/udev/net/link-config-gperf.gperf  |    4 +-
 14 files changed, 148 insertions(+), 69 deletions(-)

New commits:
commit eda8f06755bd98c4639293c26b856c225f0d1fe1
Author: Lennart Poettering <lennart at poettering.net>
Date:   Sun Feb 23 03:18:46 2014 +0100

    update TODO

diff --git a/TODO b/TODO
index 8df6a3d..b19b4e7 100644
--- a/TODO
+++ b/TODO
@@ -27,6 +27,8 @@ External:
 
 Features:
 
+* MessageQueueMessageSize= and RLimitFSIZE= (and suchlike) should use parse_iec_size().
+
 * man: move .link, .network and .netdev documentation into their own
   man pages maybe called "systemd.link(5)", "systemd.network(5)" and
   "systemd.netdev(5)" or so.

commit 5556b5fe41173107a67dbe875fbd916a46e52a02
Author: Lennart Poettering <lennart at poettering.net>
Date:   Sun Feb 23 03:13:54 2014 +0100

    core: clean up some confusing regarding SI decimal and IEC binary suffixes for sizes
    
    According to Wikipedia it is customary to specify hardware metrics and
    transfer speeds to the basis 1000 (SI decimal), while software metrics
    and physical volatile memory (RAM) sizes to the basis 1024 (IEC binary).
    So far we specified everything in IEC, let's fix that and be more
    true to what's otherwise customary. Since we don't want to parse "Mi"
    instead of "M" we document each time what the context used is.

diff --git a/man/systemd.resource-control.xml b/man/systemd.resource-control.xml
index 0ee983b..e923b6d 100644
--- a/man/systemd.resource-control.xml
+++ b/man/systemd.resource-control.xml
@@ -226,14 +226,15 @@ along with systemd; If not, see <http://www.gnu.org/licenses/>.
           case the backing block device of the file system of the file
           is used. If the bandwidth is suffixed with K, M, G, or T,
           the specified bandwidth is parsed as Kilobytes, Megabytes,
-          Gigabytes, or Terabytes, respectively (Example:
+          Gigabytes, or Terabytes, respectively, to the base of
+          1000. (Example:
           "/dev/disk/by-path/pci-0000:00:1f.2-scsi-0:0:0:0 5M"). This
           controls the <literal>blkio.read_bps_device</literal> and
           <literal>blkio.write_bps_device</literal> control group
           attributes. Use this option multiple times to set bandwidth
           limits for multiple devices. For details about these control
-          group attributes, see
-          <ulink url="https://www.kernel.org/doc/Documentation/cgroups/blkio-controller.txt">blkio-controller.txt</ulink>.
+          group attributes, see <ulink
+          url="https://www.kernel.org/doc/Documentation/cgroups/blkio-controller.txt">blkio-controller.txt</ulink>.
           </para>
 
           <para>Implies
diff --git a/man/systemd.socket.xml b/man/systemd.socket.xml
index 5e9b39f..d645de4 100644
--- a/man/systemd.socket.xml
+++ b/man/systemd.socket.xml
@@ -484,12 +484,15 @@
                                 <term><varname>ReceiveBuffer=</varname></term>
                                 <term><varname>SendBuffer=</varname></term>
                                 <listitem><para>Takes an integer
-                                argument controlling the receive
-                                or send buffer sizes of this
-                                socket, respectively. This controls the SO_RCVBUF
-                                and SO_SNDBUF socket options (see
+                                argument controlling the receive or
+                                send buffer sizes of this socket,
+                                respectively. This controls the
+                                SO_RCVBUF and SO_SNDBUF socket options
+                                (see
                                 <citerefentry><refentrytitle>socket</refentrytitle><manvolnum>7</manvolnum></citerefentry>
-                                for details.).</para></listitem>
+                                for details.). The usual suffixes K,
+                                M, G are supported and are understood
+                                to the base of 1024.</para></listitem>
                         </varlistentry>
 
                         <varlistentry>
@@ -568,12 +571,14 @@
 
                         <varlistentry>
                                 <term><varname>PipeSize=</varname></term>
-                                <listitem><para>Takes an integer
-                                value. Controls the pipe buffer size
+                                <listitem><para>Takes an size in
+                                bytes. Controls the pipe buffer size
                                 of FIFOs configured in this socket
                                 unit. See
                                 <citerefentry><refentrytitle>fcntl</refentrytitle><manvolnum>2</manvolnum></citerefentry>
-                                for details.</para></listitem>
+                                for details. The usual suffixes K, M,
+                                G are supported and are understood to
+                                the base of 1024.</para></listitem>
                         </varlistentry>
 
                         <varlistentry>
diff --git a/man/udev.xml b/man/udev.xml
index 9733b85..95b37fd 100644
--- a/man/udev.xml
+++ b/man/udev.xml
@@ -984,14 +984,18 @@
         <varlistentry>
           <term><varname>MTUBytes=</varname></term>
           <listitem>
-            <para>The maximum transmission unit in bytes to set for the device.</para>
+            <para>The maximum transmission unit in bytes to set for
+            the device. The usual suffixes K, M, G, are supported and
+            are understood to the base of 1024.</para>
           </listitem>
         </varlistentry>
         <varlistentry>
           <term><varname>BitsPerSecond=</varname></term>
           <listitem>
-            <para>The speed to set for the device, the value is rounded down
-            to the nearest Mbps.</para>
+            <para>The speed to set for the device, the value is
+            rounded down to the nearest Mbps. The usual suffixes K, M,
+            G, are supported and are understood to the base of
+            1000.</para>
           </listitem>
         </varlistentry>
         <varlistentry>
diff --git a/src/core/load-fragment-gperf.gperf.m4 b/src/core/load-fragment-gperf.gperf.m4
index e1bab7a..26146b1 100644
--- a/src/core/load-fragment-gperf.gperf.m4
+++ b/src/core/load-fragment-gperf.gperf.m4
@@ -219,12 +219,12 @@ Socket.Accept,                   config_parse_bool,                  0,
 Socket.MaxConnections,           config_parse_unsigned,              0,                             offsetof(Socket, max_connections)
 Socket.KeepAlive,                config_parse_bool,                  0,                             offsetof(Socket, keep_alive)
 Socket.Priority,                 config_parse_int,                   0,                             offsetof(Socket, priority)
-Socket.ReceiveBuffer,            config_parse_bytes_size,            0,                             offsetof(Socket, receive_buffer)
-Socket.SendBuffer,               config_parse_bytes_size,            0,                             offsetof(Socket, send_buffer)
+Socket.ReceiveBuffer,            config_parse_iec_size,              0,                             offsetof(Socket, receive_buffer)
+Socket.SendBuffer,               config_parse_iec_size,              0,                             offsetof(Socket, send_buffer)
 Socket.IPTOS,                    config_parse_ip_tos,                0,                             offsetof(Socket, ip_tos)
 Socket.IPTTL,                    config_parse_int,                   0,                             offsetof(Socket, ip_ttl)
 Socket.Mark,                     config_parse_int,                   0,                             offsetof(Socket, mark)
-Socket.PipeSize,                 config_parse_bytes_size,            0,                             offsetof(Socket, pipe_size)
+Socket.PipeSize,                 config_parse_iec_size,              0,                             offsetof(Socket, pipe_size)
 Socket.FreeBind,                 config_parse_bool,                  0,                             offsetof(Socket, free_bind)
 Socket.Transparent,              config_parse_bool,                  0,                             offsetof(Socket, transparent)
 Socket.Broadcast,                config_parse_bool,                  0,                             offsetof(Socket, broadcast)
diff --git a/src/core/load-fragment.c b/src/core/load-fragment.c
index 5b1e990..82aed1e 100644
--- a/src/core/load-fragment.c
+++ b/src/core/load-fragment.c
@@ -2327,10 +2327,9 @@ int config_parse_memory_limit(
 
         assert_cc(sizeof(uint64_t) == sizeof(off_t));
 
-        r = parse_bytes(rvalue, &bytes);
+        r = parse_size(rvalue, 1024, &bytes);
         if (r < 0) {
-                log_syntax(unit, LOG_ERR, filename, line, EINVAL,
-                           "Memory limit '%s' invalid. Ignoring.", rvalue);
+                log_syntax(unit, LOG_ERR, filename, line, EINVAL, "Memory limit '%s' invalid. Ignoring.", rvalue);
                 return 0;
         }
 
@@ -2563,10 +2562,9 @@ int config_parse_blockio_bandwidth(
                 return 0;
         }
 
-        r = parse_bytes(bandwidth, &bytes);
+        r = parse_size(bandwidth, 1000, &bytes);
         if (r < 0 || bytes <= 0) {
-                log_syntax(unit, LOG_ERR, filename, line, EINVAL,
-                           "Block IO Bandwidth '%s' invalid. Ignoring.", rvalue);
+                log_syntax(unit, LOG_ERR, filename, line, EINVAL, "Block IO Bandwidth '%s' invalid. Ignoring.", rvalue);
                 return 0;
         }
 
@@ -2964,7 +2962,9 @@ void unit_dump_config_items(FILE *f) {
 #endif
                 { config_parse_int,                   "INTEGER" },
                 { config_parse_unsigned,              "UNSIGNED" },
-                { config_parse_bytes_size,            "SIZE" },
+                { config_parse_iec_size,              "SIZE" },
+                { config_parse_iec_off,               "SIZE" },
+                { config_parse_si_size,               "SIZE" },
                 { config_parse_bool,                  "BOOLEAN" },
                 { config_parse_string,                "STRING" },
                 { config_parse_path,                  "PATH" },
diff --git a/src/journal/journald-gperf.gperf b/src/journal/journald-gperf.gperf
index 2ecba3b..84efee3 100644
--- a/src/journal/journald-gperf.gperf
+++ b/src/journal/journald-gperf.gperf
@@ -21,12 +21,12 @@ Journal.Seal,               config_parse_bool,      0, offsetof(Server, seal)
 Journal.SyncIntervalSec,    config_parse_sec,       0, offsetof(Server, sync_interval_usec)
 Journal.RateLimitInterval,  config_parse_sec,       0, offsetof(Server, rate_limit_interval)
 Journal.RateLimitBurst,     config_parse_unsigned,  0, offsetof(Server, rate_limit_burst)
-Journal.SystemMaxUse,       config_parse_bytes_off, 0, offsetof(Server, system_metrics.max_use)
-Journal.SystemMaxFileSize,  config_parse_bytes_off, 0, offsetof(Server, system_metrics.max_size)
-Journal.SystemKeepFree,     config_parse_bytes_off, 0, offsetof(Server, system_metrics.keep_free)
-Journal.RuntimeMaxUse,      config_parse_bytes_off, 0, offsetof(Server, runtime_metrics.max_use)
-Journal.RuntimeMaxFileSize, config_parse_bytes_off, 0, offsetof(Server, runtime_metrics.max_size)
-Journal.RuntimeKeepFree,    config_parse_bytes_off, 0, offsetof(Server, runtime_metrics.keep_free)
+Journal.SystemMaxUse,       config_parse_iec_off,   0, offsetof(Server, system_metrics.max_use)
+Journal.SystemMaxFileSize,  config_parse_iec_off,   0, offsetof(Server, system_metrics.max_size)
+Journal.SystemKeepFree,     config_parse_iec_off,   0, offsetof(Server, system_metrics.keep_free)
+Journal.RuntimeMaxUse,      config_parse_iec_off,   0, offsetof(Server, runtime_metrics.max_use)
+Journal.RuntimeMaxFileSize, config_parse_iec_off,   0, offsetof(Server, runtime_metrics.max_size)
+Journal.RuntimeKeepFree,    config_parse_iec_off,   0, offsetof(Server, runtime_metrics.keep_free)
 Journal.MaxRetentionSec,    config_parse_sec,       0, offsetof(Server, max_retention_usec)
 Journal.MaxFileSec,         config_parse_sec,       0, offsetof(Server, max_file_usec)
 Journal.ForwardToSyslog,    config_parse_bool,      0, offsetof(Server, forward_to_syslog)
diff --git a/src/shared/conf-parser.c b/src/shared/conf-parser.c
index dde62b5..cfa669b 100644
--- a/src/shared/conf-parser.c
+++ b/src/shared/conf-parser.c
@@ -447,8 +447,7 @@ DEFINE_PARSER(double, double, safe_atod)
 DEFINE_PARSER(nsec, nsec_t, parse_nsec)
 DEFINE_PARSER(sec, usec_t, parse_sec)
 
-
-int config_parse_bytes_size(const char* unit,
+int config_parse_iec_size(const char* unit,
                             const char *filename,
                             unsigned line,
                             const char *section,
@@ -468,10 +467,9 @@ int config_parse_bytes_size(const char* unit,
         assert(rvalue);
         assert(data);
 
-        r = parse_bytes(rvalue, &o);
+        r = parse_size(rvalue, 1024, &o);
         if (r < 0 || (off_t) (size_t) o != o) {
-                log_syntax(unit, LOG_ERR, filename, line, -r,
-                           "Failed to parse byte value, ignoring: %s", rvalue);
+                log_syntax(unit, LOG_ERR, filename, line, r < 0 ? -r : ERANGE, "Failed to parse size value, ignoring: %s", rvalue);
                 return 0;
         }
 
@@ -479,8 +477,37 @@ int config_parse_bytes_size(const char* unit,
         return 0;
 }
 
+int config_parse_si_size(const char* unit,
+                            const char *filename,
+                            unsigned line,
+                            const char *section,
+                            unsigned section_line,
+                            const char *lvalue,
+                            int ltype,
+                            const char *rvalue,
+                            void *data,
+                            void *userdata) {
+
+        size_t *sz = data;
+        off_t o;
+        int r;
+
+        assert(filename);
+        assert(lvalue);
+        assert(rvalue);
+        assert(data);
+
+        r = parse_size(rvalue, 1000, &o);
+        if (r < 0 || (off_t) (size_t) o != o) {
+                log_syntax(unit, LOG_ERR, filename, line, r < 0 ? -r : ERANGE, "Failed to parse size value, ignoring: %s", rvalue);
+                return 0;
+        }
+
+        *sz = (size_t) o;
+        return 0;
+}
 
-int config_parse_bytes_off(const char* unit,
+int config_parse_iec_off(const char* unit,
                            const char *filename,
                            unsigned line,
                            const char *section,
@@ -501,10 +528,9 @@ int config_parse_bytes_off(const char* unit,
 
         assert_cc(sizeof(off_t) == sizeof(uint64_t));
 
-        r = parse_bytes(rvalue, bytes);
+        r = parse_size(rvalue, 1024, bytes);
         if (r < 0)
-                log_syntax(unit, LOG_ERR, filename, line, -r,
-                           "Failed to parse bytes value, ignoring: %s", rvalue);
+                log_syntax(unit, LOG_ERR, filename, line, -r, "Failed to parse size value, ignoring: %s", rvalue);
 
         return 0;
 }
diff --git a/src/shared/conf-parser.h b/src/shared/conf-parser.h
index ebbcaa5..4ccdadd 100644
--- a/src/shared/conf-parser.h
+++ b/src/shared/conf-parser.h
@@ -97,8 +97,9 @@ int config_parse_unsigned(const char *unit, const char *filename, unsigned line,
 int config_parse_long(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);
 int config_parse_uint64(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);
 int config_parse_double(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line,  const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);
-int config_parse_bytes_size(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);
-int config_parse_bytes_off(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);
+int config_parse_iec_size(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);
+int config_parse_si_size(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);
+int config_parse_iec_off(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);
 int config_parse_bool(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);
 int config_parse_show_status(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);
 int config_parse_string(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);
diff --git a/src/shared/util.c b/src/shared/util.c
index b33f120..5cb598c 100644
--- a/src/shared/util.c
+++ b/src/shared/util.c
@@ -2135,11 +2135,28 @@ ssize_t loop_write(int fd, const void *buf, size_t nbytes, bool do_poll) {
         return n;
 }
 
-int parse_bytes(const char *t, off_t *bytes) {
-        static const struct {
+int parse_size(const char *t, off_t base, off_t *size) {
+
+        /* Soo, sometimes we want to parse IEC binary suffxies, and
+         * sometimes SI decimal suffixes. This function can parse
+         * both. Which one is the right way depends on the
+         * context. Wikipedia suggests that SI is customary for
+         * hardrware metrics and network speeds, while IEC is
+         * customary for most data sizes used by software and volatile
+         * (RAM) memory. Hence be careful which one you pick!
+         *
+         * In either case we use just K, M, G as suffix, and not Ki,
+         * Mi, Gi or so (as IEC would suggest). That's because that's
+         * frickin' ugly. But this means you really need to make sure
+         * to document which base you are parsing when you use this
+         * call. */
+
+        struct table {
                 const char *suffix;
                 unsigned long long factor;
-        } table[] = {
+        };
+
+        static const struct table iec[] = {
                 { "B", 1 },
                 { "K", 1024ULL },
                 { "M", 1024ULL*1024ULL },
@@ -2150,11 +2167,33 @@ int parse_bytes(const char *t, off_t *bytes) {
                 { "", 1 },
         };
 
+        static const struct table si[] = {
+                { "B", 1 },
+                { "K", 1000ULL },
+                { "M", 1000ULL*1000ULL },
+                { "G", 1000ULL*1000ULL*1000ULL },
+                { "T", 1000ULL*1000ULL*1000ULL*1000ULL },
+                { "P", 1000ULL*1000ULL*1000ULL*1000ULL*1000ULL },
+                { "E", 1000ULL*1000ULL*1000ULL*1000ULL*1000ULL*1000ULL },
+                { "", 1 },
+        };
+
+        const struct table *table;
         const char *p;
         unsigned long long r = 0;
+        unsigned n_entries;
 
         assert(t);
-        assert(bytes);
+        assert(base == 1000 || base == 1024);
+        assert(size);
+
+        if (base == 1000) {
+                table = si;
+                n_entries = ELEMENTSOF(si);
+        } else {
+                table = iec;
+                n_entries = ELEMENTSOF(iec);
+        }
 
         p = t;
         do {
@@ -2176,7 +2215,7 @@ int parse_bytes(const char *t, off_t *bytes) {
 
                 e += strspn(e, WHITESPACE);
 
-                for (i = 0; i < ELEMENTSOF(table); i++)
+                for (i = 0; i < n_entries; i++)
                         if (startswith(e, table[i].suffix)) {
                                 unsigned long long tmp;
                                 if ((unsigned long long) l > ULLONG_MAX / table[i].factor)
@@ -2193,12 +2232,12 @@ int parse_bytes(const char *t, off_t *bytes) {
                                 break;
                         }
 
-                if (i >= ELEMENTSOF(table))
+                if (i >= n_entries)
                         return -EINVAL;
 
         } while (*p);
 
-        *bytes = r;
+        *size = r;
 
         return 0;
 }
diff --git a/src/shared/util.h b/src/shared/util.h
index d1230d2..9913fce 100644
--- a/src/shared/util.h
+++ b/src/shared/util.h
@@ -144,8 +144,9 @@ int close_nointr(int fd);
 void close_nointr_nofail(int fd);
 void close_many(const int fds[], unsigned n_fd);
 
+int parse_size(const char *t, off_t base, off_t *size);
+
 int parse_boolean(const char *v) _pure_;
-int parse_bytes(const char *t, off_t *bytes);
 int parse_pid(const char *s, pid_t* ret_pid);
 int parse_uid(const char *s, uid_t* ret_uid);
 #define parse_gid(s, ret_uid) parse_uid(s, ret_uid)
diff --git a/src/systemctl/systemctl.c b/src/systemctl/systemctl.c
index 3375bac..c5ca8dc 100644
--- a/src/systemctl/systemctl.c
+++ b/src/systemctl/systemctl.c
@@ -4045,7 +4045,7 @@ static int append_assignment(sd_bus_message *m, const char *assignment) {
         } else if (streq(field, "MemoryLimit")) {
                 off_t bytes;
 
-                r = parse_bytes(eq, &bytes);
+                r = parse_size(eq, 1024, &bytes);
                 if (r < 0) {
                         log_error("Failed to parse bytes specification %s", assignment);
                         return -EINVAL;
@@ -4115,7 +4115,7 @@ static int append_assignment(sd_bus_message *m, const char *assignment) {
                                 return -EINVAL;
                         }
 
-                        r = parse_bytes(bandwidth, &bytes);
+                        r = parse_size(bandwidth, 1000, &bytes);
                         if (r < 0) {
                                 log_error("Failed to parse byte value %s.", bandwidth);
                                 return -EINVAL;
diff --git a/src/test/test-util.c b/src/test/test-util.c
index 1ac4a1e..b718206 100644
--- a/src/test/test-util.c
+++ b/src/test/test-util.c
@@ -435,42 +435,42 @@ static void test_protect_errno(void) {
         assert(errno == 12);
 }
 
-static void test_parse_bytes(void) {
+static void test_parse_size(void) {
         off_t bytes;
 
-        assert_se(parse_bytes("111", &bytes) == 0);
+        assert_se(parse_size("111", 1024, &bytes) == 0);
         assert_se(bytes == 111);
 
-        assert_se(parse_bytes(" 112 B", &bytes) == 0);
+        assert_se(parse_size(" 112 B", 1024, &bytes) == 0);
         assert_se(bytes == 112);
 
-        assert_se(parse_bytes("3 K", &bytes) == 0);
+        assert_se(parse_size("3 K", 1024, &bytes) == 0);
         assert_se(bytes == 3*1024);
 
-        assert_se(parse_bytes(" 4 M 11K", &bytes) == 0);
+        assert_se(parse_size(" 4 M 11K", 1024, &bytes) == 0);
         assert_se(bytes == 4*1024*1024 + 11 * 1024);
 
-        assert_se(parse_bytes("3B3G", &bytes) == 0);
+        assert_se(parse_size("3B3G", 1024, &bytes) == 0);
         assert_se(bytes == 3ULL*1024*1024*1024 + 3);
 
-        assert_se(parse_bytes("3B3G4T", &bytes) == 0);
+        assert_se(parse_size("3B3G4T", 1024, &bytes) == 0);
         assert_se(bytes == (4ULL*1024 + 3)*1024*1024*1024 + 3);
 
-        assert_se(parse_bytes("12P", &bytes) == 0);
+        assert_se(parse_size("12P", 1024, &bytes) == 0);
         assert_se(bytes == 12ULL * 1024*1024*1024*1024*1024);
 
-        assert_se(parse_bytes("3E 2P", &bytes) == 0);
+        assert_se(parse_size("3E 2P", 1024, &bytes) == 0);
         assert_se(bytes == (3 * 1024 + 2ULL) * 1024*1024*1024*1024*1024);
 
-        assert_se(parse_bytes("12X", &bytes) == -EINVAL);
+        assert_se(parse_size("12X", 1024, &bytes) == -EINVAL);
 
-        assert_se(parse_bytes("1024E", &bytes) == -ERANGE);
-        assert_se(parse_bytes("-1", &bytes) == -ERANGE);
-        assert_se(parse_bytes("-1024E", &bytes) == -ERANGE);
+        assert_se(parse_size("1024E", 1024, &bytes) == -ERANGE);
+        assert_se(parse_size("-1", 1024, &bytes) == -ERANGE);
+        assert_se(parse_size("-1024E", 1024, &bytes) == -ERANGE);
 
-        assert_se(parse_bytes("-1024P", &bytes) == -ERANGE);
+        assert_se(parse_size("-1024P", 1024, &bytes) == -ERANGE);
 
-        assert_se(parse_bytes("-10B 20K", &bytes) == -ERANGE);
+        assert_se(parse_size("-10B 20K", 1024, &bytes) == -ERANGE);
 }
 
 static void test_strextend(void) {
@@ -617,7 +617,7 @@ int main(int argc, char *argv[]) {
         test_u64log2();
         test_get_process_comm();
         test_protect_errno();
-        test_parse_bytes();
+        test_parse_size();
         test_strextend();
         test_strrep();
         test_split_pair();
diff --git a/src/udev/net/link-config-gperf.gperf b/src/udev/net/link-config-gperf.gperf
index 3384ca0..819e93c 100644
--- a/src/udev/net/link-config-gperf.gperf
+++ b/src/udev/net/link-config-gperf.gperf
@@ -30,7 +30,7 @@ Link.MACAddress,           config_parse_hwaddr,        0,
 Link.NamePolicy,           config_parse_name_policy,   0,                             offsetof(link_config, name_policy)
 Link.Name,                 config_parse_ifname,        0,                             offsetof(link_config, name)
 Link.Alias,                config_parse_ifalias,       0,                             offsetof(link_config, alias)
-Link.MTUBytes,             config_parse_bytes_size,    0,                             offsetof(link_config, mtu)
-Link.BitsPerSecond,        config_parse_bytes_size,    0,                             offsetof(link_config, speed)
+Link.MTUBytes,             config_parse_iec_size,      0,                             offsetof(link_config, mtu)
+Link.BitsPerSecond,        config_parse_si_size,       0,                             offsetof(link_config, speed)
 Link.Duplex,               config_parse_duplex,        0,                             offsetof(link_config, duplex)
 Link.WakeOnLan,            config_parse_wol,           0,                             offsetof(link_config, wol)



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