iwm: Sync with FreeBSD minus few commits (as of April 1, 2024)

Following commits were applied:

* iwm: Print the command code for any unhandled commands
https://github.com/freebsd/freebsd-src/comm

iwm: Sync with FreeBSD minus few commits (as of April 1, 2024)

Following commits were applied:

* iwm: Print the command code for any unhandled commands
https://github.com/freebsd/freebsd-src/commit/6844522a9aa848b40555fe8cc9d9d353e942f1f2

* iwm: improve rfkill handling
https://github.com/freebsd/freebsd-src/commit/22d1b05c8c37a0c9c7b391492ccd0c60835d9ea1

* iwm: fix ieee80211_media_change() caller
https://github.com/freebsd/freebsd-src/commit/c6167b4bf510d82035e8c8db3b0b074045b90916

* iwm: fix regression resp ieee80211_media_change()
https://github.com/freebsd/freebsd-src/commit/aaa1fdb87b7a9219e88f97fe0638f4ab166681e5

* iwm: Add support for Intel Killer(R) Wireless-AC
https://github.com/freebsd/freebsd-src/commit/90cc8706ccb2da130c0b1a28434a9ec5d4c80d81

* iwm: update if_iwmreg.h to the latest openbsd changes (24 Oct 2021)
https://github.com/freebsd/freebsd-src/commit/355c15130aef13484821051a655da9b9066e1015

* iwm: Update SCD register accesses
https://github.com/freebsd/freebsd-src/commit/d524e370c4dbabf607546aec6e4bcc8d64758851

* iwm: plug some of set-but-not-used vars
https://github.com/freebsd/freebsd-src/commit/35273e2099e629a3494701036184f2d152bcf7d7

* iwm: Fix -Wunused-but-set-variable warnings
https://github.com/freebsd/freebsd-src/commit/1dc8ed06f37a0d5ff4b78791885d7ba6dd3e407b

NOTE: pci_release_msi() now gets called on DragonFly in case of error!

* iwm: plug set-but-not-used vars
https://github.com/freebsd/freebsd-src/commit/f7daf710382afae9ba5824a89ef522800759c3f2

* iwm: Fix various typos and remove "$FreeBSD$"

Following commits were *not* applied:

* net80211/drivers: improve ieee80211_rx_stats for band
https://github.com/freebsd/freebsd-src/commit/9a6695532b3997e4e2bc3fe57481cc49be5e9e93

This requires (minor) changes to ieee80211

* iwm: remove unsued devclass arguments to DRIVER_MODULE
https://github.com/freebsd/freebsd-src/commit/ef463ef3dab650d08a16a08e3d12683130424752

Tested-with: Intel(R) Dual Band Wireless AC 8265

Taken-from: FreeBSD (see above)

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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.

iwm - Reduce gratuitous differences with Linux iwlwifi in struct naming.

* Rename some structs and struct members for firmware handling.

if_iwm - Use chan list from ieee80211_scan_state for scan, not ic_channels.

* Limiting the channel list with "ifconfig wlan0 chanlist ..." now will
actually set the list of channels scanned by iwm.

if_iwm - Factor out and improve iwm_mvm_scan_rxon_flags() in if_iwm_scan.c.

* Actually look at the first channel in the list. If it's a 2.4GHz channel,
set IWM_PHY_BAND_24 flag. The IWM_PHY_BAND_5

if_iwm - Factor out and improve iwm_mvm_scan_rxon_flags() in if_iwm_scan.c.

* Actually look at the first channel in the list. If it's a 2.4GHz channel,
set IWM_PHY_BAND_24 flag. The IWM_PHY_BAND_5 flag is 0 anyway, so we
don't need to look further.

* While there factor out the iwm_mvm_rrm_scan_needed() tlv capability check.

Taken-From: Linux iwlwifi

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kernel/iwm: Fix building into the kernel without IWM_DEBUG.

if_iwm - Enable Energy Based Scan (EBS).

* This can significantly reduce scan duration thus saving time and power.
EBS failure reported by FW disables EBS for current connection. It is
re-enable

if_iwm - Enable Energy Based Scan (EBS).

* This can significantly reduce scan duration thus saving time and power.
EBS failure reported by FW disables EBS for current connection. It is
re-enabled upon new connection attempt on any WLAN interface.

Taken-From: Linux iwlwifi

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if_iwm - GC unused code from if_iwm_scan.c, copyied from iwn or iwlwifi/dvm.

if_iwm - Make ucode capabilities and api flags handling more like iwlwifi.

Taken-From: Linux iwlwifi

if_iwm - Add scan abort functions, to properly cancel a running scan.

* Uses the notification wait api to wait for the corresponding scan
complete notification after sending the abort command.

Ta

if_iwm - Add scan abort functions, to properly cancel a running scan.

* Uses the notification wait api to wait for the corresponding scan
complete notification after sending the abort command.

Taken-From: Linux iwlwifi

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if_iwm - Sync valid_tx_ant and valid_rx_ant mask handling with iwlwifi.

* This fixes the phy_cfg field sent in the iwm_send_phy_cfg_cmd()
command, which wasn't taking into account the valid_rx_ant

if_iwm - Sync valid_tx_ant and valid_rx_ant mask handling with iwlwifi.

* This fixes the phy_cfg field sent in the iwm_send_phy_cfg_cmd()
command, which wasn't taking into account the valid_rx_ant and
valid_tx_ant masks from nvm_data before.

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if_iwm - Sync nvm parsing code with Linux iwlwifi.

* sc->sc_nvm becomes sc->nvm_data and is now a pointer instead of an
inlined struct.

* Add sc->eeprom_size and sc->nvm_hw_section_num configurat

if_iwm - Sync nvm parsing code with Linux iwlwifi.

* sc->sc_nvm becomes sc->nvm_data and is now a pointer instead of an
inlined struct.

* Add sc->eeprom_size and sc->nvm_hw_section_num configuration values to
struct iwm_softc.

* For now continue to avoid negative error return-values, and use pointer
variables for some return values, as before.

* Continue to omit LAR (location aware regulatory) related code as well.

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if_iwm - Remove some unneeded #include-s from all .c files.

if_iwm - Fix channel list iteration in iwm_mvm_config_umac_scan().

if_iwm - Use vap->iv_myaddr instead of ic->ic_macaddr when vap != NULL.

* ic_macaddr is only used for the initial mac address provided by NVM.
We should rather use vap->iv_myaddr when vap != NULL,

if_iwm - Use vap->iv_myaddr instead of ic->ic_macaddr when vap != NULL.

* ic_macaddr is only used for the initial mac address provided by NVM.
We should rather use vap->iv_myaddr when vap != NULL, to allow the
MAC address to be changed via e.g. ifconfig.

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if_iwm - Add support for Intel AC 8260 chipset.

Taken-From: OpenBSD, Linux (iwlwifi driver)

if_iwm - Fix iwm_mvm_lmac_scan_fill_channels(), only add 11b and 11a chans.

Fixes breakage introduced in edfc8a0769eef4f5d883c22ee95a6ec79a1d85c6,
after which only channels 36,40,44,48,52,56 from th

if_iwm - Fix iwm_mvm_lmac_scan_fill_channels(), only add 11b and 11a chans.

Fixes breakage introduced in edfc8a0769eef4f5d883c22ee95a6ec79a1d85c6,
after which only channels 36,40,44,48,52,56 from the 5GHz band were
scanned, since all the 11b channels were added twice.

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if_iwm - Update to support version 16 firmware.

* XXX The firmware always signals missed beacons, and doesn't give us
statistics notifications.

Taken-From: OpenBSD

if_iwm - Clean up iwm(4) scanning logic a bit.

* Reset sc_scanband in callers of iwm_mvm_scan_request().

* Make "could not initiate scan" device_printf messages more useful.

Taken-From: OpenBSD (r

if_iwm - Clean up iwm(4) scanning logic a bit.

* Reset sc_scanband in callers of iwm_mvm_scan_request().

* Make "could not initiate scan" device_printf messages more useful.

Taken-From: OpenBSD (r1.59 of if_iwm.c)

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wlan - Sync dev/netif/iwm from FreeBSD

* Sync dev/netif/iwm from FreeBSD, fbsd git dd885b9a0a0e, May 11 2016.

* Tried to preserve local changes, as well as changes taken from OpenBSD
which haven'

wlan - Sync dev/netif/iwm from FreeBSD

* Sync dev/netif/iwm from FreeBSD, fbsd git dd885b9a0a0e, May 11 2016.

* Tried to preserve local changes, as well as changes taken from OpenBSD
which haven't been merged into FreeBSD yet.

* XXX We might be able to remove the iwmsleep hack now
* XXX Not tested yet

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if_iwm: Remove comments referring to Linux iwlwifi source filenames.

Taken-From: OpenBSD

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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wlan - Import if_iwm from FreeBSD (base)