Dr. Werner Fink 2014-12-18 13:53:53 +00:00 committed by Git OBS Bridge
parent 54930c41c5
commit 2ab5cdcc71
5 changed files with 36 additions and 84 deletions

View File

@ -17,9 +17,11 @@ claims to have named in a predictable way.
src/udev/net/link-config.h | 1
5 files changed, 79 insertions(+), 11 deletions(-)
--- man/udev.xml
Index: man/udev.xml
===================================================================
--- man/udev.xml.orig
+++ man/udev.xml
@@ -914,10 +914,21 @@
@@ -914,10 +914,12 @@
successful one is used. The name is not set directly, but
is exported to udev as the property <literal>ID_NET_NAME</literal>,
which is, by default, used by a udev rule to set
@ -29,27 +31,14 @@ claims to have named in a predictable way.
+ The available policies are:
</para>
<variablelist>
<varlistentry>
+ <term><literal>kernel</literal></term>
+ <listitem>
+ <para>If the kernel claims that the name it
+ has set for a device is predictable, then
+ no renaming is performed.
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
- <varlistentry>
+ <varlistentry>
<term><literal>database</literal></term>
<listitem>
<para>The name is set based on entries in the Hardware
--- network/99-default.link
+++ network/99-default.link
@@ -1,3 +1,3 @@
[Link]
-NamePolicy=database onboard slot path
+NamePolicy=kernel database onboard slot path
MACAddressPolicy=persistent
--- src/shared/missing.h
Index: src/shared/missing.h
===================================================================
--- src/shared/missing.h.orig
+++ src/shared/missing.h
@@ -362,3 +362,24 @@ static inline int setns(int fd, int nsty
return syscall(__NR_setns, fd, nstype);
@ -76,9 +65,11 @@ claims to have named in a predictable way.
+# define NET_NAME_RENAMED 4
+#endif
+
--- src/udev/net/link-config.c
Index: src/udev/net/link-config.c
===================================================================
--- src/udev/net/link-config.c.orig
+++ src/udev/net/link-config.c
@@ -20,10 +20,11 @@
@@ -20,10 +20,11 @@
***/
#include <netinet/ether.h>
@ -91,7 +82,7 @@ claims to have named in a predictable way.
#include "link-config.h"
#include "ethtool-util.h"
@@ -297,23 +298,33 @@ static bool mac_is_random(struct udev_de
@@ -297,23 +298,30 @@ static bool mac_is_random(struct udev_de
return false;
/* check for NET_ADDR_RANDOM */
@ -100,7 +91,7 @@ claims to have named in a predictable way.
}
-static bool mac_is_permanent(struct udev_device *device) {
+static bool should_rename(struct udev_device *device, bool respect_predictable) {
+static bool should_rename(struct udev_device *device) {
const char *s;
unsigned type;
int r;
@ -121,9 +112,6 @@ claims to have named in a predictable way.
+ case NET_NAME_RENAMED:
+ return false; /* these were already named by userspace, do not touch again */
+ case NET_NAME_PREDICTABLE:
+ if (respect_predictable)
+ return false; /* the kernel claims to have given a predictable name */
+ /* fall through */
+ case NET_NAME_ENUM:
+ default:
+ return true; /* the name is known to be bad, or of an unknown type */
@ -131,29 +119,7 @@ claims to have named in a predictable way.
}
#define HASH_KEY SD_ID128_MAKE(d3,1e,48,fa,90,fe,4b,4c,9d,af,d5,d7,a1,b1,2e,8a)
@@ -371,6 +382,7 @@ int link_config_apply(link_config_ctx *c
const char *new_name = NULL;
struct ether_addr generated_mac;
struct ether_addr *mac = NULL;
+ bool respect_predictable = false;
int r, ifindex;
assert(ctx);
@@ -406,8 +418,12 @@ int link_config_apply(link_config_ctx *c
if (ctx->enable_name_policy && config->name_policy) {
NamePolicy *policy;
- for (policy = config->name_policy; !new_name && *policy != _NAMEPOLICY_INVALID; policy++) {
+ for (policy = config->name_policy; !respect_predictable && !new_name &&
+ *policy != _NAMEPOLICY_INVALID; policy++) {
switch (*policy) {
+ case NAMEPOLICY_KERNEL:
+ respect_predictable = true;
+ break;
case NAMEPOLICY_DATABASE:
new_name = udev_device_get_property_value(device, "ID_NET_NAME_FROM_DATABASE");
break;
@@ -429,16 +445,16 @@ int link_config_apply(link_config_ctx *c
@@ -429,16 +437,16 @@ int link_config_apply(link_config_ctx *c
}
}
@ -163,7 +129,7 @@ claims to have named in a predictable way.
- *name = config->name; /* a name was set manually in the config */
- else
- *name = NULL;
+ if (should_rename(device, respect_predictable)) {
+ if (should_rename(device)) {
+ if (!new_name)
+ /* if not set by policy, fall back manually set name */
+ new_name = config->name;
@ -177,7 +143,7 @@ claims to have named in a predictable way.
r = get_mac(device, false, &generated_mac);
if (r == -ENOENT)
break;
@@ -467,6 +483,8 @@ int link_config_apply(link_config_ctx *c
@@ -467,6 +475,8 @@ int link_config_apply(link_config_ctx *c
return r;
}
@ -186,21 +152,3 @@ claims to have named in a predictable way.
return 0;
}
@@ -500,6 +518,7 @@ DEFINE_STRING_TABLE_LOOKUP(mac_policy, M
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_KERNEL] = "kernel",
[NAMEPOLICY_DATABASE] = "database",
[NAMEPOLICY_ONBOARD] = "onboard",
[NAMEPOLICY_SLOT] = "slot",
--- src/udev/net/link-config.h
+++ src/udev/net/link-config.h
@@ -39,6 +39,7 @@ typedef enum MACPolicy {
} MACPolicy;
typedef enum NamePolicy {
+ NAMEPOLICY_KERNEL,
NAMEPOLICY_DATABASE,
NAMEPOLICY_ONBOARD,
NAMEPOLICY_SLOT,

View File

@ -1,3 +1,11 @@
-------------------------------------------------------------------
Thu Dec 18 13:47:36 UTC 2014 - werner@suse.de
- Use Robert's latest patch
1098-udev-link_setup-respect-kernel-name-assign-policy.patch
which drops NAMEPOLICY_KERNEL as this breaks all on current
systems out there
-------------------------------------------------------------------
Wed Dec 17 14:57:42 UTC 2014 - thomas.blume@suse.com

View File

@ -168,7 +168,7 @@ Requires(pre): /usr/bin/getent
Requires(pre): /usr/sbin/groupadd
Requires(post): /usr/bin/awk
Requires(post): /usr/bin/getent
Requires(post): /usr/bin/setfacl
Requires(post): /usr/bin/setfacl
Conflicts: filesystem < 11.5
Conflicts: mkinitrd < 2.7.0
Obsoletes: systemd-analyze < 201
@ -2158,12 +2158,6 @@ export LDFLAGS
do
sed -ri '/^ENV\{net.ifnames\}=="1", GOTO="[^"]*"$/{ s/=="1"/!="0"/ }' src/udev/rule_generator/${rules}.rules
done
%if 0%{?suse_version} <= 1320
for link in 99-default
do
sed -ri '/^NamePolicy=/{ s/kernel[[:blank:]]+// }' network/${link}.link
done
%endif
%endif
cflags -pipe CFLAGS
cflags -Wl,-O2 LDFLAGS

View File

@ -1,3 +1,11 @@
-------------------------------------------------------------------
Thu Dec 18 13:47:36 UTC 2014 - werner@suse.de
- Use Robert's latest patch
1098-udev-link_setup-respect-kernel-name-assign-policy.patch
which drops NAMEPOLICY_KERNEL as this breaks all on current
systems out there
-------------------------------------------------------------------
Wed Dec 17 14:57:42 UTC 2014 - thomas.blume@suse.com

View File

@ -163,7 +163,7 @@ Requires(pre): /usr/bin/getent
Requires(pre): /usr/sbin/groupadd
Requires(post): /usr/bin/awk
Requires(post): /usr/bin/getent
Requires(post): /usr/bin/setfacl
Requires(post): /usr/bin/setfacl
Conflicts: filesystem < 11.5
Conflicts: mkinitrd < 2.7.0
Obsoletes: systemd-analyze < 201
@ -2153,12 +2153,6 @@ export LDFLAGS
do
sed -ri '/^ENV\{net.ifnames\}=="1", GOTO="[^"]*"$/{ s/=="1"/!="0"/ }' src/udev/rule_generator/${rules}.rules
done
%if 0%{?suse_version} <= 1320
for link in 99-default
do
sed -ri '/^NamePolicy=/{ s/kernel[[:blank:]]+// }' network/${link}.link
done
%endif
%endif
cflags -pipe CFLAGS
cflags -Wl,-O2 LDFLAGS