kernel/iwm: Add back support for IWM_DEBUG (default is inactive).

Dunno why it got lost in the last upgrade.

Also, comment it out in the module Makefile.

iwm - Full sync from FreeBSD

* Full sync from freebsd, plus add iwm-9000 and iwm-9260 support.

* Patch up some ABI changes to ieee80211_*() which we don't have
yet.

kernel: Remove unused *.h files from SRCS in kernel module Makefiles.

They were found by checking the preprocessed code of the files
in SRCS to see if the header was included at some point.

After r

kernel: Remove unused *.h files from SRCS in kernel module Makefiles.

They were found by checking the preprocessed code of the files
in SRCS to see if the header was included at some point.

After removal, the preprocessed source of a build with the old
Makefiles was compared against one with the changes (for various
kernel configurations and when building just from /usr/src) to
verify that the commit leads to no functional change.

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build - Separate out CFLAGS for kernel & module build

* Make COPTFLAGS apply to module builds in addition to kernel builds.

* Implement a new make variable, KCFLAGS, for specifying overrides for

build - Separate out CFLAGS for kernel & module build

* Make COPTFLAGS apply to module builds in addition to kernel builds.

* Implement a new make variable, KCFLAGS, for specifying overrides for
kernel and module builds.

* Fixup the module build infrastructure to use KCFLAGS, and get rid of
infiltration from the more generic CFLAGS onto the kernel & modules
build.

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if_iwm - Move Smart Fifo handling into if_iwm_sf.c, sync with Linux iwlwifi.

* This change also fixes a possible issue in the existing smart-fifo code,
which set the IWM_SF_CFG_DUMMY_NOTIF_OFF bit

if_iwm - Move Smart Fifo handling into if_iwm_sf.c, sync with Linux iwlwifi.

* This change also fixes a possible issue in the existing smart-fifo code,
which set the IWM_SF_CFG_DUMMY_NOTIF_OFF bit on AC8260 chipsets, although
that's only used in iwlwifi for Family 8000 chipsets connected via SDIO
interface.

Taken-From: Linux iwlwifi

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if_iwm - Factor out firmware station handling into if_iwm_sta.c.

* This adds iwm_mvm_rm_sta(), which will be used to tear down firmware
state for better/cleaner iwm_newstate() handling.

* Makes i

if_iwm - Factor out firmware station handling into if_iwm_sta.c.

* This adds iwm_mvm_rm_sta(), which will be used to tear down firmware
state for better/cleaner iwm_newstate() handling.

* Makes iwm_enable_txq() and iwm_mvm_flush_tx_path() non-static, add
the declarations to if_iwm_util.h for now.

Taken-From: Linux iwlwifi

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kernel/iwm: Allow IWM_DEBUG to come in via the kernel config too.

Previously, it was only ever set for the module.

if_iwm - Add support for Firmware paging, needed for newer 8000C firmware.

* Uses the IWM_FW_PAGING_BLOCK_CMD firmware command to tell the firmware
what memory ranges to use for paging.

Taken-Fro

if_iwm - Add support for Firmware paging, needed for newer 8000C firmware.

* Uses the IWM_FW_PAGING_BLOCK_CMD firmware command to tell the firmware
what memory ranges to use for paging.

Taken-From: Linux iwlwifi

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if_iwm - Move struct iwm_cfg chipset configs to if_iwm_7000.c and _8000.c

* This is more similar to how code/definitions are distributed in
Linux's iwlwifi.

* This should make recognizing new chi

if_iwm - Move struct iwm_cfg chipset configs to if_iwm_7000.c and _8000.c

* This is more similar to how code/definitions are distributed in
Linux's iwlwifi.

* This should make recognizing new chipset variants, and adding additional
flags from the Linux iwlwifi code easier, without blowing up if_iwm.c

Taken-From: Linux iwlwifi

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if_iwm - Add implementation of the notification wait api from iwlwifi.

Taken-From: Linux iwlwifi

if_iwm: Make the wifi LED work with iwm(4).

- While the wifi device is scanning or trying to associate, the LED
should blink now.
- When associated to a wifi network, the LED will stop blinking an

if_iwm: Make the wifi LED work with iwm(4).

- While the wifi device is scanning or trying to associate, the LED
should blink now.
- When associated to a wifi network, the LED will stop blinking and stay
enabled.

Taken-From: OpenBSD

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iwm - DragonFly modifications and a bug fix

* Modifications to make iwm build for DragonFly.

* Fix a serious bug, iwm_stop_device() must clear the rxq stat
data primarily to reset to hw rx ring i

iwm - DragonFly modifications and a bug fix

* Modifications to make iwm build for DragonFly.

* Fix a serious bug, iwm_stop_device() must clear the rxq stat
data primarily to reset to hw rx ring index to 0. Otherwise
all packets already handled from 0 to the current hw rx ring index
will be reprocessed on restart.

* Implement iwmsleep() instead of using msleep(). iwmsleep() will
handle exiting and re-entering the wlan_serializer. Without this
we can easily deadlock on the double lock.

* Implement Makefile infrastructure.

* Revert the FreeBSD patch to remove the per-debvice netif, since our
802.11 infrastructure has not yet been updated for that.

* Purge the ifq on start if the interface is not running.

* Misc other DragonFly adjustments.

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