parent
7cd6882f9e
commit
38e77e5474
@ -0,0 +1,270 @@
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From 8f8845484ee74b1934cbd5f0cca997ba0504d543 Mon Sep 17 00:00:00 2001
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From: Gris Ge <fge@redhat.com>
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Date: Thu, 8 Feb 2024 23:36:34 +0800
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Subject: [PATCH] bridge: skip VLAN filtering resetting in reapply if no vlan
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change changed
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When doing reapply on linux bridge interface, NetworkManager will reset
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the VLAN filtering and default PVID which cause PVID been readded to all
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bridge ports regardless they are managed by NetworkManager.
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This is because Linux kernel will re-add PVID to bridge port upon the
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changes of bridge default-pvid value.
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To fix the issue, this patch introduce netlink parsing code for
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`vlan_filtering` and `default_pvid` of NMPlatformLnkBridge, and use that
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to compare desired VLAN filtering settings, skip the reset of VLAN
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filter if `default_pvid` and `vlan_filtering` are unchanged.
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Signed-off-by: Gris Ge <fge@redhat.com>
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(cherry picked from commit 02c34d538c6a2b22bd09318496ba104eb43246b4)
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(cherry picked from commit f990f9b4e4ffb5195fc89c4a8c6f251c0e01b501)
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(cherry picked from commit c448e225198f7f8851fc01a8394529e7cbe25d4d)
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---
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src/core/devices/nm-device-bridge.c | 79 +++++++++++++++++---------
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src/core/platform/tests/test-link.c | 2 +
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src/libnm-platform/nm-linux-platform.c | 6 ++
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src/libnm-platform/nm-platform.c | 13 ++++-
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src/libnm-platform/nm-platform.h | 2 +
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5 files changed, 72 insertions(+), 30 deletions(-)
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diff --git a/src/core/devices/nm-device-bridge.c b/src/core/devices/nm-device-bridge.c
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index 9a45dbf3fc..73effc50b4 100644
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--- a/src/core/devices/nm-device-bridge.c
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+++ b/src/core/devices/nm-device-bridge.c
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@@ -712,7 +712,27 @@ master_update_slave_connection(NMDevice *device,
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}
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static gboolean
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-bridge_set_vlan_options(NMDevice *device, NMSettingBridge *s_bridge)
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+is_bridge_pvid_changed(NMDevice *device, NMSettingBridge *s_bridge)
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+{
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+ int ifindex = nm_device_get_ifindex(device);
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+ const NMPlatformLnkBridge *nmp_link_br;
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+ NMPlatform *platform = nm_device_get_platform(device);
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+ bool desired_vlan_filtering = nm_setting_bridge_get_vlan_filtering(s_bridge);
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+ guint16 desired_pvid = nm_setting_bridge_get_vlan_default_pvid(s_bridge);
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+
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+ nm_platform_link_refresh(platform, ifindex);
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+ nmp_link_br = nm_platform_link_get_lnk_bridge(platform, ifindex, NULL);
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+
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+ if (nmp_link_br) {
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+ return desired_vlan_filtering != nmp_link_br->vlan_filtering
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+ || desired_pvid != nmp_link_br->default_pvid;
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+ } else {
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+ return TRUE;
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+ }
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+}
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+
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+static gboolean
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+bridge_set_vlan_options(NMDevice *device, NMSettingBridge *s_bridge, gboolean is_reapply)
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{
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NMDeviceBridge *self = NM_DEVICE_BRIDGE(device);
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gconstpointer hwaddr;
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@@ -753,31 +773,37 @@ bridge_set_vlan_options(NMDevice *device, NMSettingBridge *s_bridge)
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self->vlan_configured = TRUE;
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- /* Filtering must be disabled to change the default PVID.
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- * Clear the default PVID so that we later can force the re-creation of
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- * default PVID VLANs by writing the option again. */
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-
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- nm_platform_link_set_bridge_info(
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- plat,
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- ifindex,
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- &((NMPlatformLinkSetBridgeInfoData){.vlan_filtering_has = TRUE,
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- .vlan_filtering_val = FALSE,
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- .vlan_default_pvid_has = TRUE,
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- .vlan_default_pvid_val = 0}));
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+ if (!is_reapply || is_bridge_pvid_changed(device, s_bridge)) {
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+ /* Filtering must be disabled to change the default PVID.
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+ * Clear the default PVID so that we later can force the re-creation of
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+ * default PVID VLANs by writing the option again. */
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- /* Clear all existing VLANs */
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- if (!nm_platform_link_set_bridge_vlans(plat, ifindex, FALSE, NULL))
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- return FALSE;
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+ if (is_reapply) {
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+ _LOGD(LOGD_BRIDGE, "default_pvid is changed, resetting bridge VLAN filtering");
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+ }
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- /* Now set the default PVID. After this point the kernel creates
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- * a PVID VLAN on each port, including the bridge itself. */
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- pvid = nm_setting_bridge_get_vlan_default_pvid(s_bridge);
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- if (pvid) {
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nm_platform_link_set_bridge_info(
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plat,
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ifindex,
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- &((NMPlatformLinkSetBridgeInfoData){.vlan_default_pvid_has = TRUE,
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- .vlan_default_pvid_val = pvid}));
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+ &((NMPlatformLinkSetBridgeInfoData){.vlan_filtering_has = TRUE,
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+ .vlan_filtering_val = FALSE,
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+ .vlan_default_pvid_has = TRUE,
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+ .vlan_default_pvid_val = 0}));
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+
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+ /* Clear all existing VLANs */
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+ if (!nm_platform_link_set_bridge_vlans(plat, ifindex, FALSE, NULL))
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+ return FALSE;
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+
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+ /* Now set the default PVID. After this point the kernel creates
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+ * a PVID VLAN on each port, including the bridge itself. */
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+ pvid = nm_setting_bridge_get_vlan_default_pvid(s_bridge);
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+ if (pvid) {
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+ nm_platform_link_set_bridge_info(
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+ plat,
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+ ifindex,
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+ &((NMPlatformLinkSetBridgeInfoData){.vlan_default_pvid_has = TRUE,
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+ .vlan_default_pvid_val = pvid}));
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+ }
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}
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/* Create VLANs only after setting the default PVID, so that
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@@ -836,7 +862,7 @@ _platform_lnk_bridge_init_from_setting(NMSettingBridge *s_bridge, NMPlatformLnkB
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}
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static gboolean
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-link_config(NMDevice *device, NMConnection *connection)
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+link_config(NMDevice *device, NMConnection *connection, gboolean is_reapply)
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{
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int ifindex = nm_device_get_ifindex(device);
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NMSettingBridge *s_bridge;
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@@ -850,7 +876,7 @@ link_config(NMDevice *device, NMConnection *connection)
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if (nm_platform_link_bridge_change(nm_device_get_platform(device), ifindex, &props) < 0)
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return FALSE;
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- return bridge_set_vlan_options(device, s_bridge);
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+ return bridge_set_vlan_options(device, s_bridge, is_reapply);
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}
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static NMActStageReturn
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@@ -861,7 +887,7 @@ act_stage1_prepare(NMDevice *device, NMDeviceStateReason *out_failure_reason)
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connection = nm_device_get_applied_connection(device);
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g_return_val_if_fail(connection, NM_ACT_STAGE_RETURN_FAILURE);
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- if (!link_config(device, connection)) {
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+ if (!link_config(device, connection, FALSE)) {
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NM_SET_OUT(out_failure_reason, NM_DEVICE_STATE_REASON_CONFIG_FAILED);
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return NM_ACT_STAGE_RETURN_FAILURE;
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}
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@@ -1003,7 +1029,7 @@ attach_port(NMDevice *device,
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s_port = nm_connection_get_setting_bridge_port(connection);
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if (!nm_device_sys_iface_state_is_external(device))
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- bridge_set_vlan_options(device, s_bridge);
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+ bridge_set_vlan_options(device, s_bridge, FALSE);
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if (nm_setting_bridge_get_vlan_filtering(s_bridge)) {
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gs_free const NMPlatformBridgeVlan **plat_vlans = NULL;
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@@ -1218,8 +1244,7 @@ reapply_connection(NMDevice *device, NMConnection *con_old, NMConnection *con_ne
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/* Make sure bridge_set_vlan_options() called by link_config()
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* sets vlan_filtering and default_pvid anew. */
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self->vlan_configured = FALSE;
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-
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- link_config(device, con_new);
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+ link_config(device, con_new, TRUE);
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}
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/*****************************************************************************/
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diff --git a/src/core/platform/tests/test-link.c b/src/core/platform/tests/test-link.c
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index 8a54ac4853..fdece007bc 100644
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--- a/src/core/platform/tests/test-link.c
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+++ b/src/core/platform/tests/test-link.c
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@@ -1403,6 +1403,8 @@ test_software_detect(gconstpointer user_data)
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lnk_bridge.mcast_query_interval = 12000;
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lnk_bridge.mcast_query_response_interval = 5200;
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lnk_bridge.mcast_startup_query_interval = 3000;
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+ lnk_bridge.vlan_filtering = FALSE;
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+ lnk_bridge.default_pvid = 1;
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if (!nmtstp_link_bridge_add(NULL, ext, DEVICE_NAME, &lnk_bridge))
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g_error("Failed adding Bridge interface");
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diff --git a/src/libnm-platform/nm-linux-platform.c b/src/libnm-platform/nm-linux-platform.c
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index 99eab9c784..9b4ac14024 100644
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--- a/src/libnm-platform/nm-linux-platform.c
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+++ b/src/libnm-platform/nm-linux-platform.c
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@@ -1515,6 +1515,8 @@ _parse_lnk_bridge(const char *kind, struct nlattr *info_data)
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[IFLA_BR_MCAST_QUERY_INTVL] = {.type = NLA_U64},
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[IFLA_BR_MCAST_QUERY_RESPONSE_INTVL] = {.type = NLA_U64},
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[IFLA_BR_MCAST_STARTUP_QUERY_INTVL] = {.type = NLA_U64},
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+ [IFLA_BR_VLAN_FILTERING] = {.type = NLA_U8},
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+ [IFLA_BR_VLAN_DEFAULT_PVID] = {.type = NLA_U16},
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};
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NMPlatformLnkBridge *props;
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struct nlattr *tb[G_N_ELEMENTS(policy)];
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@@ -1585,6 +1587,10 @@ _parse_lnk_bridge(const char *kind, struct nlattr *info_data)
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props->mcast_query_response_interval = nla_get_u64(tb[IFLA_BR_MCAST_QUERY_RESPONSE_INTVL]);
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if (tb[IFLA_BR_MCAST_STARTUP_QUERY_INTVL])
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props->mcast_startup_query_interval = nla_get_u64(tb[IFLA_BR_MCAST_STARTUP_QUERY_INTVL]);
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+ if (tb[IFLA_BR_VLAN_FILTERING])
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+ props->vlan_filtering = !!nla_get_u8(tb[IFLA_BR_VLAN_FILTERING]);
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+ if (tb[IFLA_BR_VLAN_DEFAULT_PVID])
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+ props->default_pvid = nla_get_u16(tb[IFLA_BR_VLAN_DEFAULT_PVID]);
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return obj;
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}
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diff --git a/src/libnm-platform/nm-platform.c b/src/libnm-platform/nm-platform.c
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index 041354cf44..3b61375bad 100644
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--- a/src/libnm-platform/nm-platform.c
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+++ b/src/libnm-platform/nm-platform.c
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@@ -6086,7 +6086,8 @@ nm_platform_lnk_bridge_to_string(const NMPlatformLnkBridge *lnk, char *buf, gsiz
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" mcast_querier_interval %" G_GUINT64_FORMAT
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" mcast_query_interval %" G_GUINT64_FORMAT
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" mcast_query_response_interval %" G_GUINT64_FORMAT
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- " mcast_startup_query_interval %" G_GUINT64_FORMAT "",
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+ " mcast_startup_query_interval %" G_GUINT64_FORMAT " vlan_filtering %d"
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+ " default_pvid %" G_GUINT16_FORMAT "",
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lnk->forward_delay,
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lnk->hello_time,
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lnk->max_age,
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@@ -6109,7 +6110,9 @@ nm_platform_lnk_bridge_to_string(const NMPlatformLnkBridge *lnk, char *buf, gsiz
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lnk->mcast_querier_interval,
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lnk->mcast_query_interval,
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lnk->mcast_query_response_interval,
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- lnk->mcast_startup_query_interval);
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+ lnk->mcast_startup_query_interval,
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+ lnk->vlan_filtering,
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+ lnk->default_pvid);
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return buf;
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}
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@@ -7978,12 +7981,14 @@ nm_platform_lnk_bridge_hash_update(const NMPlatformLnkBridge *obj, NMHashState *
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obj->mcast_router,
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obj->mcast_query_response_interval,
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obj->mcast_startup_query_interval,
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+ obj->default_pvid,
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NM_HASH_COMBINE_BOOLS(guint8,
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obj->stp_state,
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obj->mcast_querier,
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obj->mcast_query_use_ifaddr,
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obj->mcast_snooping,
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- obj->vlan_stats_enabled));
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+ obj->vlan_stats_enabled,
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+ obj->vlan_filtering));
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}
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void
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@@ -8124,6 +8129,8 @@ nm_platform_lnk_bridge_cmp(const NMPlatformLnkBridge *a, const NMPlatformLnkBrid
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NM_CMP_FIELD(a, b, mcast_query_interval);
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NM_CMP_FIELD(a, b, mcast_query_response_interval);
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NM_CMP_FIELD(a, b, mcast_startup_query_interval);
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+ NM_CMP_FIELD_BOOL(a, b, vlan_filtering);
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+ NM_CMP_FIELD(a, b, default_pvid);
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return 0;
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}
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diff --git a/src/libnm-platform/nm-platform.h b/src/libnm-platform/nm-platform.h
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index aeea5c42db..a4410b0a7c 100644
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--- a/src/libnm-platform/nm-platform.h
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+++ b/src/libnm-platform/nm-platform.h
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@@ -765,6 +765,8 @@ typedef struct {
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bool mcast_snooping : 1;
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bool stp_state : 1;
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bool vlan_stats_enabled : 1;
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+ bool vlan_filtering;
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+ guint16 default_pvid;
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} _nm_alignas(NMPlatformObject) NMPlatformLnkBridge;
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extern const NMPlatformLnkBridge nm_platform_lnk_bridge_default;
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--
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2.43.0
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|
Loading…
Reference in new issue