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U mne wifi asi maká, ale nepoužívam ji, vzhledem k tomu, že jsem jednou odebral modul a pak nešel nahodit (v dmesg bylo něco jako device sleeping), tak už modul nechávam v paměti. A k věci:

lshw
...
02:00.0 Network controller: Intel Corporation Device 4237
        Subsystem: Intel Corporation Device 1211
        Flags: fast devsel, IRQ 17
        Memory at d8700000 (64-bit, non-prefetchable) [size=8K]
        Capabilities: [c8] Power Management version 3
        Capabilities: [d0] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0 Enable-
        Capabilities: [e0] Express Endpoint, MSI 00
        Capabilities: [100] Advanced Error Reporting 
        Capabilities: [140] Device Serial Number 62-4f-22-ff-ff-5d-21-00
        Kernel driver in use: iwlagn
        Kernel modules: iwlagn

# modinfo iwlagn
filename:       /lib/modules/2.6.27-gentoo-r7/kernel/drivers/net/wireless/iwlwifi/iwlagn.ko
alias:          iwl4965
license:        GPL
author:         Copyright(c) 2003-2008 Intel Corporation
version:        1.3.27ks
description:    Intel(R) Wireless WiFi Link AGN driver for Linux
firmware:       iwlwifi-4965-2.ucode
srcversion:     2A03F790BD6657FD270CEA7
alias:          pci:v00008086d0000423Asv*sd*bc*sc*i*
alias:          pci:v00008086d00004237sv*sd*bc*sc*i*
alias:          pci:v00008086d00004236sv*sd*bc*sc*i*
alias:          pci:v00008086d00004235sv*sd*bc*sc*i*
alias:          pci:v00008086d00004232sv*sd*bc*sc*i*
alias:          pci:v00008086d00004237sv*sd00001216bc*sc*i*
alias:          pci:v00008086d00004232sv*sd00001326bc*sc*i*
alias:          pci:v00008086d00004232sv*sd00001306bc*sc*i*
alias:          pci:v00008086d00004232sv*sd00001206bc*sc*i*
alias:          pci:v00008086d00004232sv*sd00001305bc*sc*i*
alias:          pci:v00008086d00004232sv*sd00001205bc*sc*i*
alias:          pci:v00008086d00004230sv*sd*bc*sc*i*
alias:          pci:v00008086d00004229sv*sd*bc*sc*i*
depends:        iwlcore,cfg80211,mac80211
vermagic:       2.6.27-gentoo-r7 SMP mod_unload CORE2
parm:           disable50:manually disable the 50XX radio (default 0 [radio on]) (int)
parm:           swcrypto50:using software crypto engine (default 0 [hardware])
 (bool)
parm:           debug50:50XX debug output mask (int)
parm:           queues_num50:number of hw queues in 50xx series (int)
parm:           qos_enable50:enable all 50XX QoS functionality (int)
parm:           11n_disable50:disable 50XX 11n functionality (int)
parm:           amsdu_size_8K50:enable 8K amsdu size in 50XX series (int)
parm:           fw_restart50:restart firmware in case of error (int)
parm:           antenna:select antenna (1=Main, 2=Aux, default 0 [both]) (int)
parm:           disable:manually disable the radio (default 0 [radio on]) (int)
parm:           swcrypto:using crypto in software (default 0 [hardware]) (int)
parm:           debug:debug output mask (int)
parm:           disable_hw_scan:disable hardware scanning (default 0) (int)
parm:           queues_num:number of hw queues. (int)
parm:           qos_enable:enable all QoS functionality (int)
parm:           11n_disable:disable 11n functionality (int)
parm:           amsdu_size_8K:enable 8K amsdu size (int)
parm:           fw_restart4965:restart firmware in case of error (int)

# lsmod | grep iwl
iwlagn                 86084  0
iwlcore                71876  1 iwlagn
rfkill                  8216  2 iwlcore
led_class               3652  1 iwlcore
mac80211              153436  2 iwlagn,iwlcore
cfg80211               22984  3 iwlagn,iwlcore,mac80211