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NetworkManager/0012-config-slaves-order-rh1452585.patch

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Add upstream patches that went into RHEL - device: don't change MTU unless explicitly configured (rh #1460760) - core: don't remove external IPv4 addresses (rh #1459813) - cli: fix output of iface in overview output (rh#1460219) - ppp: unexport NMPPPManager instance on dispose (rh#1459579) - cli: remove spurious device names from wifi subcommands output (rh#1460527)
2017-06-22 10:52:23 +00:00
From 5231db02204ce3c45e2415eedbd915fa56445401 Mon Sep 17 00:00:00 2001
From: Beniamino Galvani <bgalvani@redhat.com>
Date: Mon, 15 May 2017 17:17:26 +0200
Subject: [PATCH] core: add configuration flag to choose slaves activation
order
Commits 39d0559d9a7a ("platform: sort links by name instead of
ifindex") and 529a0a1a7f19 ("manager: sort slaves to be autoconnected
by device name") changed the order of activation of slaves. Introduce
a system-wide configuration property to preserve the old behavior.
https://bugzilla.redhat.com/show_bug.cgi?id=1452585
(cherry picked from commit 31656a066bfb3edc106f5efd5d2be46396824930)
(cherry picked from commit 3fefef8594ef2690c56fd44a6ce4836decaaee56)
---
man/NetworkManager.conf.xml | 13 +++++++++++++
src/nm-config.h | 1 +
src/nm-manager.c | 26 ++++++++++++++++++++------
src/platform/nm-platform.c | 26 +++++++++++++++-----------
src/platform/nm-platform.h | 2 +-
src/platform/tests/test-common.c | 2 +-
src/platform/tests/test-general.c | 2 +-
7 files changed, 52 insertions(+), 20 deletions(-)
diff --git a/man/NetworkManager.conf.xml b/man/NetworkManager.conf.xml
index 2a8ba76..5e76c0a 100644
--- a/man/NetworkManager.conf.xml
+++ b/man/NetworkManager.conf.xml
@@ -409,6 +409,19 @@ no-auto-default=*
</listitem>
</varlistentry>
+ <varlistentry>
+ <term><varname>slaves-order</varname></term>
+ <listitem>
+ <para>
+ This key specifies in which order slave connections are
+ auto-activated on boot or when the master activates
+ them. Allowed values are <literal>name</literal> (order
+ connection by interface name, the default), or
+ <literal>index</literal> (order slaves by their kernel
+ index).
+ </para>
+ </listitem>
+ </varlistentry>
</variablelist>
</refsect1>
diff --git a/src/nm-config.h b/src/nm-config.h
index 283d6a1..ae695fc 100644
--- a/src/nm-config.h
+++ b/src/nm-config.h
@@ -63,6 +63,7 @@
#define NM_CONFIG_KEYFILE_KEY_MAIN_DHCP "dhcp"
#define NM_CONFIG_KEYFILE_KEY_MAIN_DEBUG "debug"
#define NM_CONFIG_KEYFILE_KEY_MAIN_HOSTNAME_MODE "hostname-mode"
+#define NM_CONFIG_KEYFILE_KEY_MAIN_SLAVES_ORDER "slaves-order"
#define NM_CONFIG_KEYFILE_KEY_LOGGING_BACKEND "backend"
#define NM_CONFIG_KEYFILE_KEY_CONFIG_ENABLE "enable"
#define NM_CONFIG_KEYFILE_KEY_ATOMIC_SECTION_WAS ".was"
diff --git a/src/nm-manager.c b/src/nm-manager.c
index a740219..3d94ce9 100644
--- a/src/nm-manager.c
+++ b/src/nm-manager.c
@@ -2459,10 +2459,14 @@ platform_query_devices (NMManager *self)
NMPlatformLink *links;
int i;
gboolean guess_assume;
+ const char *order;
guess_assume = nm_config_get_first_start (nm_config_get ());
-
- links_array = nm_platform_link_get_all (NM_PLATFORM_GET);
+ order = nm_config_data_get_value_cached (NM_CONFIG_GET_DATA,
+ NM_CONFIG_KEYFILE_GROUP_MAIN,
+ NM_CONFIG_KEYFILE_KEY_MAIN_SLAVES_ORDER,
+ NM_CONFIG_GET_VALUE_STRIP);
+ links_array = nm_platform_link_get_all (NM_PLATFORM_GET, !nm_streq0 (order, "index"));
links = (NMPlatformLink *) links_array->data;
for (i = 0; i < links_array->len; i++) {
gs_free NMConfigDeviceStateData *dev_state = NULL;
@@ -3016,7 +3020,7 @@ out:
}
static gint
-compare_slaves (gconstpointer a, gconstpointer b, gpointer _unused)
+compare_slaves (gconstpointer a, gconstpointer b, gpointer sort_by_name)
{
const SlaveConnectionInfo *a_info = a;
const SlaveConnectionInfo *b_info = b;
@@ -3027,8 +3031,12 @@ compare_slaves (gconstpointer a, gconstpointer b, gpointer _unused)
if (!b_info->device)
return -1;
- return g_strcmp0 (nm_device_get_iface (a_info->device),
- nm_device_get_iface (b_info->device));
+ if (GPOINTER_TO_INT (sort_by_name)) {
+ return g_strcmp0 (nm_device_get_iface (a_info->device),
+ nm_device_get_iface (b_info->device));
+ }
+
+ return nm_device_get_ifindex (a_info->device) - nm_device_get_ifindex (b_info->device);
}
static void
@@ -3042,11 +3050,17 @@ autoconnect_slaves (NMManager *self,
if (should_connect_slaves (NM_CONNECTION (master_connection), master_device)) {
gs_free SlaveConnectionInfo *slaves = NULL;
guint i, n_slaves = 0;
+ const char *value;
slaves = find_slaves (self, master_connection, master_device, &n_slaves);
if (n_slaves > 1) {
+ value = nm_config_data_get_value_cached (NM_CONFIG_GET_DATA,
+ NM_CONFIG_KEYFILE_GROUP_MAIN,
+ NM_CONFIG_KEYFILE_KEY_MAIN_SLAVES_ORDER,
+ NM_CONFIG_GET_VALUE_STRIP);
g_qsort_with_data (slaves, n_slaves, sizeof (slaves[0]),
- compare_slaves, NULL);
+ compare_slaves,
+ GINT_TO_POINTER (!nm_streq0 (value, "index")));
}
for (i = 0; i < n_slaves; i++) {
diff --git a/src/platform/nm-platform.c b/src/platform/nm-platform.c
index 767187d..a244ff3 100644
--- a/src/platform/nm-platform.c
+++ b/src/platform/nm-platform.c
@@ -437,7 +437,8 @@ nm_platform_sysctl_get_int_checked (NMPlatform *self, const char *pathid, int di
static int
_link_get_all_presort (gconstpointer p_a,
- gconstpointer p_b)
+ gconstpointer p_b,
+ gpointer sort_by_name)
{
const NMPlatformLink *a = p_a;
const NMPlatformLink *b = p_b;
@@ -448,13 +449,16 @@ _link_get_all_presort (gconstpointer p_a,
if (b->ifindex == 1)
return 1;
- /* Initialized links first */
- if (a->initialized > b->initialized)
- return -1;
- if (a->initialized < b->initialized)
- return 1;
+ if (GPOINTER_TO_INT (sort_by_name)) {
+ /* Initialized links first */
+ if (a->initialized > b->initialized)
+ return -1;
+ if (a->initialized < b->initialized)
+ return 1;
- return strcmp (a->name, b->name);
+ return strcmp (a->name, b->name);
+ } else
+ return a->ifindex - b->ifindex;
}
/**
@@ -465,7 +469,7 @@ _link_get_all_presort (gconstpointer p_a,
* owned by the caller and should be freed with g_array_unref().
*/
GArray *
-nm_platform_link_get_all (NMPlatform *self)
+nm_platform_link_get_all (NMPlatform *self, gboolean sort_by_name)
{
GArray *links, *result;
guint i, j, nresult;
@@ -479,9 +483,9 @@ nm_platform_link_get_all (NMPlatform *self)
if (!links || links->len == 0)
return links;
- /* first sort the links by their ifindex. Below we will sort further by moving
- * children/slaves to the end. */
- g_array_sort (links, _link_get_all_presort);
+ /* first sort the links by their ifindex or name. Below we will sort
+ * further by moving children/slaves to the end. */
+ g_array_sort_with_data (links, _link_get_all_presort, GINT_TO_POINTER (sort_by_name));
unseen = g_hash_table_new (g_direct_hash, g_direct_equal);
for (i = 0; i < links->len; i++) {
diff --git a/src/platform/nm-platform.h b/src/platform/nm-platform.h
index 43be17f..1b8fa13 100644
--- a/src/platform/nm-platform.h
+++ b/src/platform/nm-platform.h
@@ -763,7 +763,7 @@ const NMPlatformLink *nm_platform_link_get (NMPlatform *self, int ifindex);
const NMPlatformLink *nm_platform_link_get_by_ifname (NMPlatform *self, const char *ifname);
const NMPlatformLink *nm_platform_link_get_by_address (NMPlatform *self, gconstpointer address, size_t length);
-GArray *nm_platform_link_get_all (NMPlatform *self);
+GArray *nm_platform_link_get_all (NMPlatform *self, gboolean sort_by_name);
NMPlatformError nm_platform_link_dummy_add (NMPlatform *self, const char *name, const NMPlatformLink **out_link);
NMPlatformError nm_platform_link_bridge_add (NMPlatform *self, const char *name, const void *address, size_t address_len, const NMPlatformLink **out_link);
NMPlatformError nm_platform_link_bond_add (NMPlatform *self, const char *name, const NMPlatformLink **out_link);
diff --git a/src/platform/tests/test-common.c b/src/platform/tests/test-common.c
index 04db862..a9d0694 100644
--- a/src/platform/tests/test-common.c
+++ b/src/platform/tests/test-common.c
@@ -185,7 +185,7 @@ link_callback (NMPlatform *platform, int obj_type_i, int ifindex, NMPlatformLink
/* Check the data */
g_assert (received->ifindex > 0);
- links = nm_platform_link_get_all (NM_PLATFORM_GET);
+ links = nm_platform_link_get_all (NM_PLATFORM_GET, TRUE);
for (i = 0; i < links->len; i++) {
cached = &g_array_index (links, NMPlatformLink, i);
if (cached->ifindex == received->ifindex) {
diff --git a/src/platform/tests/test-general.c b/src/platform/tests/test-general.c
index 2ccfac7..e772662 100644
--- a/src/platform/tests/test-general.c
+++ b/src/platform/tests/test-general.c
@@ -48,7 +48,7 @@ test_link_get_all (void)
platform = nm_linux_platform_new (TRUE, NM_PLATFORM_NETNS_SUPPORT_DEFAULT);
- links = nm_platform_link_get_all (platform);
+ links = nm_platform_link_get_all (platform, TRUE);
}
/*****************************************************************************/
--
2.9.3
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