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160 lines
6.9 KiB
160 lines
6.9 KiB
8 months ago
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From dcc59dffa5116bf96618065cd60742cb660224b8 Mon Sep 17 00:00:00 2001
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From: Lukas Nykryn <lnykryn@redhat.com>
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Date: Fri, 22 Sep 2023 13:28:02 +0200
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Subject: [PATCH] netif-naming-scheme: let's also include rhel8 schemes
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With this patch user in rhel9 can also pick a scheme from rhel8.
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This could be useful on in-place upgrades.
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rhel-only
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Resolves: RHEL-7026
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---
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man/systemd.net-naming-scheme.xml | 88 +++++++++++++++++++++++++++++++
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src/shared/netif-naming-scheme.c | 10 ++++
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src/shared/netif-naming-scheme.h | 12 +++++
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3 files changed, 110 insertions(+)
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diff --git a/man/systemd.net-naming-scheme.xml b/man/systemd.net-naming-scheme.xml
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index ade4e27e31..c6ab86906a 100644
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--- a/man/systemd.net-naming-scheme.xml
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+++ b/man/systemd.net-naming-scheme.xml
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@@ -459,6 +459,94 @@
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</listitem>
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</varlistentry>
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+ <varlistentry>
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+ <term><constant>rhel-8.0</constant></term>
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+
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+ <listitem><para>Naming was changed for virtual network interfaces created with SR-IOV and NPAR and
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+ for devices where the PCI network controller device does not have a slot number associated.</para>
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+
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+ <para>SR-IOV virtual devices are named based on the name of the parent interface, with a suffix of
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+ <literal>v<replaceable>port</replaceable></literal>, where <replaceable>port</replaceable> is the
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+ virtual device number. Previously those virtual devices were named as if completely independent.
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+ </para>
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+
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+ <para>The ninth and later NPAR virtual devices are named following the scheme used for the first
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+ eight NPAR partitions. Previously those devices were not renamed and the kernel default
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+ ("eth<replaceable>N</replaceable>") was used.</para>
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+
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+ <para>Names are also generated for PCI devices where the PCI network controller device does not
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+ have an associated slot number itself, but one of its parents does. Previously those devices were
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+ not renamed and the kernel default was used.</para>
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+ </listitem>
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+ </varlistentry>
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+
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+ <varlistentry>
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+ <term><constant>rhel-8.1</constant></term>
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+
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+ <para>Same as naming scheme <constant>rhel-8.0</constant>.</para>
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+ </varlistentry>
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+
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+ <varlistentry>
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+ <term><constant>rhel-8.2</constant></term>
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+
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+ <para>Same as naming scheme <constant>rhel-8.0</constant>.</para>
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+ </varlistentry>
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+
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+ <varlistentry>
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+ <term><constant>rhel-8.3</constant></term>
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+
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+ <para>Same as naming scheme <constant>rhel-8.0</constant>.</para>
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+ </varlistentry>
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+
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+ <varlistentry>
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+ <term><constant>rhel-8.4</constant></term>
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+
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+ <listitem><para>If the PCI slot is assocated with PCI bridge and that has multiple child network
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+ controllers then all of them might derive the same value of <varname>ID_NET_NAME_SLOT</varname>
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+ property. That could cause naming conflict if the property is selected as a device name. Now, we detect the
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+ situation, slot - bridge relation, and we don't produce the <varname>ID_NET_NAME_SLOT</varname> property to
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+ avoid possible naming conflict.</para></listitem>
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+ </varlistentry>
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+
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+ <varlistentry>
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+ <term><constant>rhel-8.5</constant></term>
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+
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+ <para>Same as naming scheme <constant>rhel-8.4</constant>.</para>
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+ </varlistentry>
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+
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+ <varlistentry>
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+ <term><constant>rhel-8.6</constant></term>
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+
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+ <para>Same as naming scheme <constant>rhel-8.4</constant>.</para>
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+ </varlistentry>
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+
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+ <varlistentry>
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+ <term><constant>rhel-8.7</constant></term>
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+
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+ <listitem><para>PCI hotplug slot names for the s390 PCI driver are a hexadecimal representation
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+ of the <filename>function_id</filename> device attribute. This attribute is now used to build the
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+ <varname>ID_NET_NAME_SLOT</varname>. Before that, all slot names were parsed as decimal
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+ numbers, which could either result in an incorrect value of the <varname>ID_NET_NAME_SLOT</varname>
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+ property or none at all.</para>
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+
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+ <para>Some firmware and hypervisor implementations report unreasonable high numbers for the onboard
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+ index. To prevent the generation of bogus onbard interface names, index numbers greater than 16381
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+ (2^14-1) were ignored. For s390 PCI devices index values up to 65535 (2^16-1) are valid. To account
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+ for that, the limit is increased to now 65535.</para></listitem>
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+ </varlistentry>
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+
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+ <varlistentry>
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+ <term><constant>rhel-8.8</constant></term>
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+
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+ <para>Same as naming scheme <constant>rhel-8.7</constant>.</para>
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+ </varlistentry>
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+
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+ <varlistentry>
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+ <term><constant>rhel-8.9</constant></term>
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+
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+ <para>Same as naming scheme <constant>rhel-8.7</constant>.</para>
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+ </varlistentry>
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+
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<varlistentry>
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<term><constant>rhel-9.0</constant></term>
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diff --git a/src/shared/netif-naming-scheme.c b/src/shared/netif-naming-scheme.c
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index 0f50533279..9cfa5ca8e6 100644
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--- a/src/shared/netif-naming-scheme.c
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+++ b/src/shared/netif-naming-scheme.c
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@@ -25,6 +25,16 @@ static const NamingScheme naming_schemes[] = {
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{ "v250", NAMING_V250 },
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{ "v251", NAMING_V251 },
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{ "v252", NAMING_V252 },
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+ { "rhel-8.0", NAMING_RHEL_8_0 },
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+ { "rhel-8.1", NAMING_RHEL_8_1 },
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+ { "rhel-8.2", NAMING_RHEL_8_2 },
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+ { "rhel-8.3", NAMING_RHEL_8_3 },
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+ { "rhel-8.4", NAMING_RHEL_8_4 },
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+ { "rhel-8.5", NAMING_RHEL_8_5 },
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+ { "rhel-8.6", NAMING_RHEL_8_6 },
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+ { "rhel-8.7", NAMING_RHEL_8_7 },
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+ { "rhel-8.8", NAMING_RHEL_8_8 },
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+ { "rhel-8.9", NAMING_RHEL_8_9 },
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{ "rhel-9.0", NAMING_RHEL_9_0 },
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{ "rhel-9.1", NAMING_RHEL_9_1 },
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{ "rhel-9.2", NAMING_RHEL_9_2 },
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diff --git a/src/shared/netif-naming-scheme.h b/src/shared/netif-naming-scheme.h
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index fb3c8eb9b3..ed45536f65 100644
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--- a/src/shared/netif-naming-scheme.h
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+++ b/src/shared/netif-naming-scheme.h
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@@ -52,6 +52,18 @@ typedef enum NamingSchemeFlags {
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NAMING_V250 = NAMING_V249 | NAMING_XEN_VIF,
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NAMING_V251 = NAMING_V250 | NAMING_BRIDGE_MULTIFUNCTION_SLOT,
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NAMING_V252 = NAMING_V251 | NAMING_DEVICETREE_ALIASES,
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+
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+ NAMING_RHEL_8_0 = NAMING_V239,
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+ NAMING_RHEL_8_1 = NAMING_V239,
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+ NAMING_RHEL_8_2 = NAMING_V239,
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+ NAMING_RHEL_8_3 = NAMING_V239,
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+ NAMING_RHEL_8_4 = NAMING_V239 | NAMING_BRIDGE_NO_SLOT,
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+ NAMING_RHEL_8_5 = NAMING_RHEL_8_4,
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+ NAMING_RHEL_8_6 = NAMING_RHEL_8_4,
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+ NAMING_RHEL_8_7 = NAMING_RHEL_8_4 | NAMING_SLOT_FUNCTION_ID | NAMING_16BIT_INDEX,
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+ NAMING_RHEL_8_8 = NAMING_RHEL_8_7,
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+ NAMING_RHEL_8_9 = NAMING_RHEL_8_7,
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+
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NAMING_RHEL_9_0 = NAMING_V250 | NAMING_BRIDGE_MULTIFUNCTION_SLOT,
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NAMING_RHEL_9_1 = NAMING_RHEL_9_0,
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NAMING_RHEL_9_2 = NAMING_RHEL_9_0,
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