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authorJedrzej Jagielski <jedrzej.jagielski@intel.com>2025-08-24 20:30:14 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-08-28 16:34:42 +0200
commitd150fa3de946886bb485ac30a18daacbbf9680ea (patch)
tree8d888f1f70e1238875e366340026d3313b45f766
parente02b94131603559f0c83991964b83d5f6016fbf8 (diff)
ixgbe: prevent from unwanted interface name changes
[ upstream commit e67a0bc3ed4fd8ee1697cb6d937e2b294ec13b5e ] Users of the ixgbe driver report that after adding devlink support by the commit a0285236ab93 ("ixgbe: add initial devlink support") their configs got broken due to unwanted changes of interface names. It's caused by automatic phys_port_name generation during devlink port initialization flow. To prevent from that set no_phys_port_name flag for ixgbe devlink ports. Reported-by: David Howells <dhowells@redhat.com> Closes: https://lore.kernel.org/netdev/3452224.1745518016@warthog.procyon.org.uk/ Reported-by: David Kaplan <David.Kaplan@amd.com> Closes: https://lore.kernel.org/netdev/LV3PR12MB92658474624CCF60220157199470A@LV3PR12MB9265.namprd12.prod.outlook.com/ Fixes: a0285236ab93 ("ixgbe: add initial devlink support") Signed-off-by: Jedrzej Jagielski <jedrzej.jagielski@intel.com> Tested-by: Rinitha S <sx.rinitha@intel.com> (A Contingent worker at Intel) Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com> Cc: stable@vger.kernel.org # 6.16 Tested-By: Calvin Owens <calvin@wbinvd.org> Signed-off-by: Calvin Owens <calvin@wbinvd.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/net/ethernet/intel/ixgbe/devlink/devlink.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/devlink/devlink.c b/drivers/net/ethernet/intel/ixgbe/devlink/devlink.c
index 54f1b83dfe42..d227f4d2a2d1 100644
--- a/drivers/net/ethernet/intel/ixgbe/devlink/devlink.c
+++ b/drivers/net/ethernet/intel/ixgbe/devlink/devlink.c
@@ -543,6 +543,7 @@ int ixgbe_devlink_register_port(struct ixgbe_adapter *adapter)
attrs.flavour = DEVLINK_PORT_FLAVOUR_PHYSICAL;
attrs.phys.port_number = adapter->hw.bus.func;
+ attrs.no_phys_port_name = 1;
ixgbe_devlink_set_switch_id(adapter, &attrs.switch_id);
devlink_port_attrs_set(devlink_port, &attrs);