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NetworkManager/libnm-core
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Thomas Haller b25cf61a33 libnm/infiniband: lift restriction of MTU to 2044 for IPoIB in "datagram" mode 
Traditionally, the MTU in "datagram" transport mode was restricted to
2044. That is no longer the case, relax that.

In fact, choose a very large maximum and don't differenciate between
"connected" mode (they now both use now 65520). This is only the
limitation of the connection profile. Whether setting such large MTUs
actually works must be determined when activating the profile.

Initscripts "ifup-ib" from rdma-core package originally had a limit of 2044.
This was raised to 4092 in rh#1186498. It is suggested to raise it further
in bug rh#1647541.

In general, kernel often does not allow setting large MTUs. And even if it
allows it, it may not work because it also requires the entire network to
be configured accordingly. But that means, it is generally not helpful to
limit the MTU in the connection profile too strictly. Just allow large
MTUs, we need to see at activation time whether the configuration works.

Note also that all other setting types don't validate the range for MTU at
all.

Related: https://bugzilla.redhat.com/show_bug.cgi?id=1186498
Related: https://bugzilla.redhat.com/show_bug.cgi?id=1593334
         (rdma-core: raise limit from 2044 to 4092 in ifup-ib)

Related: https://bugzilla.redhat.com/show_bug.cgi?id=1647541
         (rdma-core: raise limit beyond 4092 in ifup-ib)

Related: https://bugzilla.redhat.com/show_bug.cgi?id=1532638#c4
         (rdma-core: MTU related discussion)

Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=1534869
       (NetworkManager bug about this topic, but with lots of unrelated
        discussion. See in particular #c16)

Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=1653494
2019-04-05 16:27:17 +02:00
..
tests libnm/infiniband: lift restriction of MTU to 2044 for IPoIB in "datagram" mode 2019-04-05 16:27:17 +02:00
meson.build shared: add "shared/nm-libnm-core-utils.h" utils 2019-03-25 09:12:32 +01:00
nm-connection-private.h build: refine the NETWORKMANAGER_COMPILATION define 2018-01-08 12:38:53 +01:00
nm-connection.c libnm/infiniband: lift restriction of MTU to 2044 for IPoIB in "datagram" mode 2019-04-05 16:27:17 +02:00
nm-connection.h Revert "libnm-core: don't serialize synthetic properties in nm_setting_to_string()" 2019-01-07 10:09:10 +01:00
nm-core-enum-types.c.template libnm,cli: add NMSettingWireGuard 2019-02-22 11:00:10 +01:00
nm-core-enum-types.h.template build: use template files for enum types' sources generation 2017-12-18 11:25:06 +01:00
nm-core-internal.h libnm: add NMIPRoutingRule API 2019-03-27 16:23:30 +01:00
nm-core-types-internal.h platform/wireguard: rework parsing wireguard links in platform 2018-09-07 11:24:17 +02:00
nm-core-types.h libnm,cli: add NMSettingWireGuard 2019-02-22 11:00:10 +01:00
nm-crypto-gnutls.c libnm/crypto: clean crypto implementations for gnutls/nss 2018-09-04 07:38:30 +02:00
nm-crypto-impl.h libnm/crypto: refactor to use enum for supported ciphers 2018-09-04 07:38:30 +02:00
nm-crypto-nss.c libnm/crypto: clean crypto implementations for gnutls/nss 2018-09-04 07:38:30 +02:00
nm-crypto.c all: drop unnecessary includes of <errno.h> and <string.h> 2019-02-12 08:50:28 +01:00
nm-crypto.h libnm/crypto: mark nm_crypto_make_des_aes_key() as test-only function 2018-09-04 07:38:30 +02:00
nm-dbus-interface.h lldp: support IEEE 802.3 TLVs 2019-03-27 10:47:24 +01:00
nm-dbus-utils.c all: drop unnecessary includes of <errno.h> and <string.h> 2019-02-12 08:50:28 +01:00
nm-errors.c all: drop unnecessary includes of <errno.h> and <string.h> 2019-02-12 08:50:28 +01:00
nm-errors.h wifi-p2p: strict validate options argument to "StartFind" 2019-02-05 13:55:32 +01:00
nm-json.c libnm-core: don't use RTLD_DEEPBIND when building with asan 2018-02-15 15:34:03 +01:00
nm-json.h libnm: only include "nm-jansson.h" from "nm-json.h" 2018-01-16 14:47:24 +01:00
nm-keyfile-internal.h keyfile: add helper functions to record loaded UUID files 2018-12-03 12:09:57 +01:00
nm-keyfile-utils.c all: drop unnecessary includes of <errno.h> and <string.h> 2019-02-12 08:50:28 +01:00
nm-keyfile-utils.h libnm: add NMWireGuardPeer and libnm support for peers 2019-02-22 11:00:10 +01:00
nm-keyfile.c libnm-core: fix build warning 2019-04-04 15:34:41 +02:00
nm-property-compare.c all: drop unnecessary includes of <errno.h> and <string.h> 2019-02-12 08:50:28 +01:00
nm-property-compare.h build: refine the NETWORKMANAGER_COMPILATION define 2018-01-08 12:38:53 +01:00
nm-setting-6lowpan.c libnm-core: reorder code in settings 2019-01-15 09:55:24 +01:00
nm-setting-6lowpan.h libnm-core: add NMSetting{6Lowpan,Wpan}Class to a public header 2018-06-29 22:34:23 +02:00
nm-setting-8021x.c nm: Fix syntax on introspection annotations 2019-03-07 10:04:41 +01:00
nm-setting-8021x.h docs: use numeric values in enum definitions in public headers 2019-02-19 16:08:11 +01:00
nm-setting-adsl.c all: drop unnecessary includes of <errno.h> and <string.h> 2019-02-12 08:50:28 +01:00
nm-setting-adsl.h libnm-core: sensible docstrings for NMSettings* 2017-03-17 10:15:11 +01:00
nm-setting-bluetooth.c all: drop unnecessary includes of <errno.h> and <string.h> 2019-02-12 08:50:28 +01:00
nm-setting-bluetooth.h core/bluetooth: add NAP type 2017-05-31 20:15:52 +02:00
nm-setting-bond.c libnm,core: use _nm_utils_ascii_str_to_uint64() instead of strtol() 2019-02-12 08:50:28 +01:00
nm-setting-bond.h libnm-core: sensible docstrings for NMSettings* 2017-03-17 10:15:11 +01:00
nm-setting-bridge-port.c ifcfg-rh: add bridge vlans support 2019-03-26 17:19:39 +01:00
nm-setting-bridge-port.h libnm-core: add vlans property to bridge-port setting 2019-03-26 17:18:29 +01:00
nm-setting-bridge.c libnm-core: drop unused variable 2019-03-28 18:35:30 +01:00
nm-setting-bridge.h libnm-core: add bridge vlan conversion utils 2019-03-26 17:18:29 +01:00
nm-setting-cdma.c all: drop unnecessary includes of <errno.h> and <string.h> 2019-02-12 08:50:28 +01:00
nm-setting-cdma.h libnm-core: sensible docstrings for NMSettings* 2017-03-17 10:15:11 +01:00
nm-setting-connection.c cli: implement connection:permissions as multilist property 2019-03-25 09:12:32 +01:00
nm-setting-connection.h libnm-core: add connection.llmnr property 2018-09-06 09:07:41 +02:00
nm-setting-dcb.c all: drop unnecessary includes of <errno.h> and <string.h> 2019-02-12 08:50:28 +01:00
nm-setting-dcb.h all: don't use gchar/gshort/gint/glong but C types 2018-07-11 12:02:06 +02:00
nm-setting-dummy.c libnm-core: reorder code in settings 2019-01-15 09:55:24 +01:00
nm-setting-dummy.h libnm-core: sensible docstrings for NMSettings* 2017-03-17 10:15:11 +01:00
nm-setting-ethtool.c libnm, cli, ifcfg-rh: add NMSettingEthtool setting 2018-08-10 10:38:19 +02:00
nm-setting-ethtool.h libnm: add missing NM_AVAILABLE_IN_1_14 macro to new API 2018-09-14 16:54:40 +02:00
nm-setting-generic.c libnm-core: reorder code in settings 2019-01-15 09:55:24 +01:00
nm-setting-generic.h libnm-core: sensible docstrings for NMSettings* 2017-03-17 10:15:11 +01:00
nm-setting-gsm.c all: drop unnecessary includes of <errno.h> and <string.h> 2019-02-12 08:50:28 +01:00
nm-setting-gsm.h settings,gsm: deprecate and stop using 'number' property 2018-12-19 08:54:50 +01:00
nm-setting-infiniband.c libnm/infiniband: lift restriction of MTU to 2044 for IPoIB in "datagram" mode 2019-04-05 16:27:17 +02:00
nm-setting-infiniband.h libnm-core: sensible docstrings for NMSettings* 2017-03-17 10:15:11 +01:00
nm-setting-ip-config.c libnm: add API to NMSettingIPConfig for routing rules 2019-03-27 16:23:30 +01:00
nm-setting-ip-config.h libnm: add API to NMSettingIPConfig for routing rules 2019-03-27 16:23:30 +01:00
nm-setting-ip-tunnel.c libnm-core: reorder code in settings 2019-01-15 09:55:24 +01:00
nm-setting-ip-tunnel.h ip-tunnel: add support for tunnel flags 2018-01-05 18:25:08 +01:00
nm-setting-ip4-config.c all: drop unnecessary includes of <errno.h> and <string.h> 2019-02-12 08:50:28 +01:00
nm-setting-ip4-config.h libnm-core: sensible docstrings for NMSettings* 2017-03-17 10:15:11 +01:00
nm-setting-ip6-config.c all: drop unnecessary includes of <errno.h> and <string.h> 2019-02-12 08:50:28 +01:00
nm-setting-ip6-config.h libnm-core: add ipv6.dhcp-duid property 2018-06-08 18:23:31 +02:00
nm-setting-macsec.c all: drop unnecessary includes of <errno.h> and <string.h> 2019-02-12 08:50:28 +01:00
nm-setting-macsec.h macsec: enable send-sci by default and make the option configurable 2018-06-14 15:13:11 +02:00
nm-setting-macvlan.c all: drop unnecessary includes of <errno.h> and <string.h> 2019-02-12 08:50:28 +01:00
nm-setting-macvlan.h libnm-core: sensible docstrings for NMSettings* 2017-03-17 10:15:11 +01:00
nm-setting-match.c libnm-core: reorder code in settings 2019-01-15 09:55:24 +01:00
nm-setting-match.h all: add 'match' setting 2018-08-11 09:41:07 +02:00
nm-setting-olpc-mesh.c all: drop unnecessary includes of <errno.h> and <string.h> 2019-02-12 08:50:28 +01:00
nm-setting-olpc-mesh.h libnm-core: sensible docstrings for NMSettings* 2017-03-17 10:15:11 +01:00
nm-setting-ovs-bridge.c libnm-core: reorder code in settings 2019-01-15 09:55:24 +01:00
nm-setting-ovs-bridge.h libnm-core: add ovs-bridge setting 2017-10-30 17:40:08 +01:00
nm-setting-ovs-interface.c libnm-core: reorder code in settings 2019-01-15 09:55:24 +01:00
nm-setting-ovs-interface.h libnm-core: add ovs-interface setting 2017-10-30 17:40:08 +01:00
nm-setting-ovs-patch.c libnm-core: reorder code in settings 2019-01-15 09:55:24 +01:00
nm-setting-ovs-patch.h libnm-core: add ovs-patch setting 2017-10-30 17:40:08 +01:00
nm-setting-ovs-port.c libnm-core: cleanup NMSetting's class initialization 2019-01-15 09:55:24 +01:00
nm-setting-ovs-port.h libnm-core: add ovs-port setting 2017-10-30 17:40:08 +01:00
nm-setting-ppp.c libnm-core: reorder code in settings 2019-01-15 09:55:24 +01:00
nm-setting-ppp.h libnm-core: sensible docstrings for NMSettings* 2017-03-17 10:15:11 +01:00
nm-setting-pppoe.c all: drop unnecessary includes of <errno.h> and <string.h> 2019-02-12 08:50:28 +01:00
nm-setting-pppoe.h libnm,clients: add 'parent' property to PPPoE setting 2017-08-05 08:03:15 +02:00
nm-setting-private.h libnm-core: add vlans property to bridge-port setting 2019-03-26 17:18:29 +01:00
nm-setting-proxy.c libnm-core: reorder code in settings 2019-01-15 09:55:24 +01:00
nm-setting-proxy.h libnm-core: sensible docstrings for NMSettings* 2017-03-17 10:15:11 +01:00
nm-setting-serial.c all: drop unnecessary includes of <errno.h> and <string.h> 2019-02-12 08:50:28 +01:00
nm-setting-serial.h libnm-core: sensible docstrings for NMSettings* 2017-03-17 10:15:11 +01:00
nm-setting-sriov.c libnm-core: fix typos in API documentation 2019-03-26 17:18:29 +01:00
nm-setting-sriov.h libnm-core: add SR-IOV setting 2018-07-11 16:16:22 +02:00
nm-setting-tc-config.c libnm-core: reorder code in settings 2019-01-15 09:55:24 +01:00
nm-setting-tc-config.h all: remove consecutive empty lines 2018-04-30 16:24:52 +02:00
nm-setting-team-port.c libnm/team: add function to compare list of link-watchers 2019-03-24 09:21:14 +01:00
nm-setting-team-port.h all: don't use gchar/gshort/gint/glong but C types 2018-07-11 12:02:06 +02:00
nm-setting-team.c cli: implement team:runner-tx-hash as multilist property 2019-03-25 09:12:33 +01:00
nm-setting-team.h docs: use numeric values in enum definitions in public headers 2019-02-19 16:08:11 +01:00
nm-setting-tun.c all: drop unnecessary includes of <errno.h> and <string.h> 2019-02-12 08:50:28 +01:00
nm-setting-tun.h libnm-core: sensible docstrings for NMSettings* 2017-03-17 10:15:11 +01:00
nm-setting-user.c libnm-core: reorder code in settings 2019-01-15 09:55:24 +01:00
nm-setting-user.h all: remove consecutive empty lines 2018-04-30 16:24:52 +02:00
nm-setting-vlan.c libnm/cli: support deleting VLAN egress/ingress priority map by "from" 2019-03-25 09:12:32 +01:00
nm-setting-vlan.h all: replace "it's" with "its" where needed 2018-04-18 14:14:07 +02:00
nm-setting-vpn.c libnm: don't use strlen() for checking for non-empty string 2019-03-25 09:12:32 +01:00
nm-setting-vpn.h all: remove consecutive empty lines 2018-04-30 16:24:52 +02:00
nm-setting-vxlan.c all: drop unnecessary includes of <errno.h> and <string.h> 2019-02-12 08:50:28 +01:00
nm-setting-vxlan.h libnm-core: sensible docstrings for NMSettings* 2017-03-17 10:15:11 +01:00
nm-setting-wifi-p2p.c core/setting-wifi-p2p: Add WFD IEs property to P2P settings 2019-02-21 10:10:20 +01:00
nm-setting-wifi-p2p.h core/setting-wifi-p2p: Add WFD IEs property to P2P settings 2019-02-21 10:10:20 +01:00
nm-setting-wimax.c all: drop unnecessary includes of <errno.h> and <string.h> 2019-02-12 08:50:28 +01:00
nm-setting-wimax.h libnm-core: sensible docstrings for NMSettings* 2017-03-17 10:15:11 +01:00
nm-setting-wired.c libnm: don't assert for valid string length in nm_setting_wired_add_s390_option() 2019-03-25 09:12:32 +01:00
nm-setting-wired.h libnm/docs: fix enum definition that confuses gtk-doc 2019-02-22 10:12:13 +01:00
nm-setting-wireguard.c libnm: rename and expose nm_utils_base64secret_decode() in libnm 2019-03-07 17:54:25 +01:00
nm-setting-wireguard.h libnm: change nm_wireguard_peer_set_endpoint() API to allow validation 2019-03-07 17:54:25 +01:00
nm-setting-wireless-security.c all: drop unnecessary includes of <errno.h> and <string.h> 2019-02-12 08:50:28 +01:00
nm-setting-wireless-security.h all: fix misspellings 2019-01-24 17:19:44 +01:00
nm-setting-wireless.c all: drop unnecessary includes of <errno.h> and <string.h> 2019-02-12 08:50:28 +01:00
nm-setting-wireless.h docs: use numeric values in enum definitions in public headers 2019-02-19 16:08:11 +01:00
nm-setting-wpan.c libnm-core: reorder code in settings 2019-01-15 09:55:24 +01:00
nm-setting-wpan.h core/setting-wpan: add page and channel properties 2018-10-07 15:46:02 +02:00
nm-setting.c Revert "all: goodbye libnm-glib" 2019-04-03 08:52:38 +02:00
nm-setting.h libnm,core: make for-each-secret implementation virtual functions of NMSetting 2019-02-04 20:15:20 +01:00
nm-simple-connection.c libnm-core: reorder code in settings 2019-01-15 09:55:24 +01:00
nm-simple-connection.h include: use double-quotes to include our own headers 2017-03-09 14:12:35 +01:00
nm-utils-private.h libnm-core: add vlans property to bridge-port setting 2019-03-26 17:18:29 +01:00
nm-utils.c libnm-core: make compiler happy 2019-03-29 12:16:37 +01:00
nm-utils.h libnm: rename and expose nm_utils_base64secret_decode() in libnm 2019-03-07 17:54:25 +01:00
nm-version.h release: bump version to 1.17.0 (development) 2019-02-23 10:15:58 +01:00
nm-vpn-dbus-interface.h all: remove consecutive empty lines 2018-04-30 16:24:52 +02:00
nm-vpn-editor-plugin.c libnm-core: reorder code in settings 2019-01-15 09:55:24 +01:00
nm-vpn-editor-plugin.h all: remove consecutive empty lines 2018-04-30 16:24:52 +02:00
nm-vpn-plugin-info.c nm: Fix syntax on introspection annotations 2019-03-07 10:04:41 +01:00
nm-vpn-plugin-info.h gobject-introspection: made several fixes to the annotations 2018-03-26 12:45:49 +02:00