From e51660ae56bb747ece2cab8fe6eec37f4d06a438 Mon Sep 17 00:00:00 2001
From: Tom Gundersen <teg@jklm.no>
Date: Wed, 19 Feb 2014 22:37:13 +0100
Subject: udev: net-config - allow interface names to be set from the hwdb

---
 Makefile.am                | 1 +
 hwdb/20-net-ifname.hwdb    | 5 +++++
 man/udev.xml               | 9 +++++++++
 network/99-default.link    | 2 +-
 src/udev/net/link-config.c | 4 ++++
 src/udev/net/link-config.h | 1 +
 6 files changed, 21 insertions(+), 1 deletion(-)
 create mode 100644 hwdb/20-net-ifname.hwdb

diff --git a/Makefile.am b/Makefile.am
index d8b5b7161..02a1aaef0 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -2463,6 +2463,7 @@ dist_udevhwdb_DATA = \
 	hwdb/20-bluetooth-vendor-product.hwdb \
 	hwdb/20-acpi-vendor.hwdb \
 	hwdb/20-OUI.hwdb \
+	hwdb/20-net-ifname.hwdb \
 	hwdb/60-keyboard.hwdb
 
 udevconfdir = $(sysconfdir)/udev
diff --git a/hwdb/20-net-ifname.hwdb b/hwdb/20-net-ifname.hwdb
new file mode 100644
index 000000000..29d263350
--- /dev/null
+++ b/hwdb/20-net-ifname.hwdb
@@ -0,0 +1,5 @@
+# This file is part of systemd.
+
+# Dell iDRAC Virtual USB NIC
+usb:v413CpA102*
+ ID_NET_NAME_FROM_DATABASE=irdac
diff --git a/man/udev.xml b/man/udev.xml
index eab5d25f0..c053a86d3 100644
--- a/man/udev.xml
+++ b/man/udev.xml
@@ -883,6 +883,15 @@
               <literal>NAME</literal>. The available policies are:
             </para>
             <variablelist>
+              <varlistentry>
+                <term><literal>database</literal></term>
+                <listitem>
+                  <para>The name is set based on entries in the Hardware
+                    Database with the key
+                    <literal>ID_NET_NAME_FROM_DATABASE</literal>.
+                  </para>
+                </listitem>
+              </varlistentry>
               <varlistentry>
                 <term><literal>onboard</literal></term>
                 <listitem>
diff --git a/network/99-default.link b/network/99-default.link
index 05be03bd3..53215f633 100644
--- a/network/99-default.link
+++ b/network/99-default.link
@@ -1,3 +1,3 @@
 [Link]
-NamePolicy=onboard slot path
+NamePolicy=database onboard slot path
 MACAddressPolicy=persistent
diff --git a/src/udev/net/link-config.c b/src/udev/net/link-config.c
index 3afaff10c..d05b90991 100644
--- a/src/udev/net/link-config.c
+++ b/src/udev/net/link-config.c
@@ -383,6 +383,9 @@ int link_config_apply(link_config_ctx *ctx, link_config *config, struct udev_dev
 
                 for (policy = config->name_policy; !new_name && *policy != _NAMEPOLICY_INVALID; policy++) {
                         switch (*policy) {
+                                case NAMEPOLICY_DATABASE:
+                                        new_name = udev_device_get_property_value(device, "ID_NET_NAME_FROM_DATABASE");
+                                        break;
                                 case NAMEPOLICY_ONBOARD:
                                         new_name = udev_device_get_property_value(device, "ID_NET_NAME_ONBOARD");
                                         break;
@@ -447,6 +450,7 @@ DEFINE_STRING_TABLE_LOOKUP(mac_policy, MACPolicy);
 DEFINE_CONFIG_PARSE_ENUM(config_parse_mac_policy, mac_policy, MACPolicy, "Failed to parse MAC address policy");
 
 static const char* const name_policy_table[] = {
+        [NAMEPOLICY_DATABASE] = "database",
         [NAMEPOLICY_ONBOARD] = "onboard",
         [NAMEPOLICY_SLOT] = "slot",
         [NAMEPOLICY_PATH] = "path",
diff --git a/src/udev/net/link-config.h b/src/udev/net/link-config.h
index a55c6f5f0..4fc896311 100644
--- a/src/udev/net/link-config.h
+++ b/src/udev/net/link-config.h
@@ -38,6 +38,7 @@ typedef enum MACPolicy {
 } MACPolicy;
 
 typedef enum NamePolicy {
+        NAMEPOLICY_DATABASE,
         NAMEPOLICY_ONBOARD,
         NAMEPOLICY_SLOT,
         NAMEPOLICY_PATH,
-- 
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