CONFIG_IXP4XX_QMGR is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
IXP4xx Queue Manager support
modulename: ixp4xx_qmgr.ko
configname: CONFIG_IXP4XX_QMGR
Linux Kernel Configuration
└─>Intel IXP4xx Implementation Options
└─>IXP4xx Queue Manager support
In linux kernel since version 2.6.25 (release Date: 2008-04-16)
This driver supports IXP4xx built-in hardware queue manager
and is automatically selected by Ethernet and HSS drivers.
and is automatically selected by Ethernet and HSS drivers.