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The current check only worked for AP mode, but we can do
radar detection in mesh as well (for example). We could
try to check this using wdev_chandef(), but we also don't
really care since the chandef is passed in and we have no
need to use it anymore (since we added the argument in
commit d2859df5e7f0 ("cfg80211/mac80211: DFS setup chandef
for cac event")).
Change-Id: I856e4344d5e64ff4d2eead0b4c53b11f264be9b8
Fixes: 7b0a0e3c3a88 ("wifi: cfg80211: do some rework towards MLO link APIs")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
In many cases we might get here from driver code that's
not really set up to care about the locking, and for the
non-MLO cases we really don't care so much about it. So
relax the checking here for now, perhaps we should even
remove it completely since we might not really care if
we point to an invalid link's chandef and can require
the caller to check the link validity first.
Fixes: 7b0a0e3c3a88 ("wifi: cfg80211: do some rework towards MLO link APIs")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
We need to hold the wdev mutex already in order to call
nl80211_parse_tx_bitrate_mask(), so acquire it earlier.
Fixes: 7b0a0e3c3a88 ("wifi: cfg80211: do some rework towards MLO link APIs")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
We need wdev_chandef() in this code, which now requires
the wdev mutex due to the per-link nature. Hold it here
to make sure we can access the link.
Reported-by: syzbot+b4e9aa0f32ffd9902442@syzkaller.appspotmail.com
Fixes: 7b0a0e3c3a88 ("wifi: cfg80211: do some rework towards MLO link APIs")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Prior to commit 7b0a0e3c3a88 ("wifi: cfg80211: do some
rework towards MLO link APIs") the interface type didn't
really matter here, but now we need to handle all of the
possible cases. Add IBSS ("ADHOC") and handle it.
Fixes: 7b0a0e3c3a88 ("wifi: cfg80211: do some rework towards MLO link APIs")
Reported-by: syzbot+90d912872157e63589e4@syzkaller.appspotmail.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
In case of 4way handshake offload, cfg80211_port_authorized
enables driver to indicate successful 4way handshake to cfg80211 layer.
Currently this path of port authorization is restricted to
interface type NL80211_IFTYPE_STATION. This patch extends
the use of port authorization API for P2P client as well.
Signed-off-by: Vinayak Yadawad <vinayak.yadawad@broadcom.com>
Link: https://lore.kernel.org/r/ef25cb49fcb921df2e5d99e574f65e8a009cc52c.1655905440.git.vinayak.yadawad@broadcom.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
The MLO links used for connection with an MLD AP are decided by the
driver in case of SME offloaded to driver.
Add support for the drivers to indicate the information of links used
for MLO connection in connect and roam callbacks, update the connected
links information in wdev from connect/roam result sent by driver.
Also, send the connected links information to userspace.
Add a netlink flag attribute to indicate that userspace supports
handling of MLO connection. Drivers must not do MLO connection when this
flag is not set. This is to maintain backwards compatibility with older
supplicant versions which doesn't have support for MLO connection.
Signed-off-by: Veerendranath Jakkam <quic_vjakkam@quicinc.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
When retrieving scan data, expose not just whether or not the
interface (possibly an MLD) is associated to the BSS or not,
but also on which link ID if it is an MLD.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Add some optional callbacks for link add/remove so that
drivers can react here. Initially, I thought it would be
sufficient to just create the link in start_ap etc., but
it turns out that's not so simple, since there are quite
a few callbacks that can be called: if they're erroneously
without start_ap, things might crash.
Thus it might be easier for drivers to allocate all the
necessary data structures immediately, to not have to
worry about it in each callback, since cfg80211 checks
that the link ID is valid (has been added.)
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
We wanted to have this sorted by direction (to/from driver),
but didn't maintain that well. Sort the file now.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
For authentication, we need the BSS, the link_id and the AP
MLD address to create the link and station, (for now) the
driver assigns a link address and sends the frame, the MLD
address needs to be the address of the interface.
For association, pass the list of BSSes that were selected
for the MLO connection, along with extra per-STA profile
elements, the AP MLD address and the link ID on which the
association request should be sent.
Note that for now we don't have a proper way to pass the link
address(es) and so the driver/mac80211 will select one, but
depending on how that selection works it means that assoc w/o
auth data still being around (mac80211 implementation detail)
the association won't necessarily work - so this will need to
be extended in the future to sort out the link addressing.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This function has far too many parameters now, move out
the BSS lookup and pass the request struct instead.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
For MLO we'll need to do this multiple times, so refactor
this. For now keep the disconnect_bssid, but we'll need to
figure out how to handle that with MLD.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Today it makes more sense to pass the necessary parameters to
look up the BSS entry to cfg80211_mlme_assoc(), but with MLO
we will need to look up multiple, and that gets awkward. Pull
the lookup code into the callers so we can change it better.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
In order to support multi-link operation with multiple links,
start adding some APIs. The notable addition here is to have
the link ID in a new nl80211 attribute, that will be used to
differentiate the links in many nl80211 operations.
So far, this patch adds the netlink NL80211_ATTR_MLO_LINK_ID
attribute (as well as the NL80211_ATTR_MLO_LINKS attribute)
and plugs it through the system in some places, checking the
validity etc. along with other infrastructure needed for it.
For now, I've decided to include only the over-the-air link
ID in the API. I know we discussed that we eventually need to
have to have other ways of identifying a link, but for local
AP mode and auth/assoc commands as well as set_key etc. we'll
use the OTA ID.
Also included in this patch is some refactoring of the data
structures in struct wireless_dev, splitting for the first
time the data into type dependent pieces, to make reasoning
about these things easier.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Second set of patches for v5.19 and most likely the last one. rtw89
got support for 8852ce devices and mt76 now supports Wireless Ethernet
Dispatch.
Major changes:
cfg80211/mac80211
* support disabling EHT mode
rtw89
* add support for Realtek 8852ce devices
mt76
* Wireless Ethernet Dispatch support for flow offload
* non-standard VHT MCS10-11 support
* mt7921 AP mode support
* mt7921 ipv6 NS offload support
ath11k
* enable keepalive during WoWLAN suspend
* implement remain-on-channel support
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Merge tag 'wireless-next-2022-05-19' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next
Kalle Valo says:
====================
wireless-next patches for v5.19
Second set of patches for v5.19 and most likely the last one. rtw89
got support for 8852ce devices and mt76 now supports Wireless Ethernet
Dispatch.
Major changes:
cfg80211/mac80211
- support disabling EHT mode
rtw89
- add support for Realtek 8852ce devices
mt76
- Wireless Ethernet Dispatch support for flow offload
- non-standard VHT MCS10-11 support
- mt7921 AP mode support
- mt7921 ipv6 NS offload support
ath11k
- enable keepalive during WoWLAN suspend
- implement remain-on-channel support
* tag 'wireless-next-2022-05-19' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next: (135 commits)
iwlwifi: mei: fix potential NULL-ptr deref
iwlwifi: mei: clear the sap data header before sending
iwlwifi: mvm: remove vif_count
iwlwifi: mvm: always tell the firmware to accept MCAST frames in BSS
iwlwifi: mvm: add OTP info in case of init failure
iwlwifi: mvm: fix assert 1F04 upon reconfig
iwlwifi: fw: init SAR GEO table only if data is present
iwlwifi: mvm: clean up authorized condition
iwlwifi: mvm: use NULL instead of ERR_PTR when parsing wowlan status
iwlwifi: pcie: simplify MSI-X cause mapping
rtw89: pci: only mask out INT indicator register for disable interrupt v1
rtw89: convert rtw89_band to nl80211_band precisely
rtw89: 8852c: update txpwr tables to HALRF_027_00_052
rtw89: cfo: check mac_id to avoid out-of-bounds
rtw89: 8852c: set TX antenna path
rtw89: add ieee80211::sta_rc_update ops
wireless: Fix Makefile to be in alphabetical order
mac80211: refactor freeing the next_beacon
cfg80211: fix kernel-doc for cfg80211_beacon_data
mac80211: minstrel_ht: support ieee80211_rate_status
...
====================
Link: https://lore.kernel.org/r/20220519153334.8D051C385AA@smtp.kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
NL80211_ATTR_HE_BSS_COLOR attribute can be included in both
NL80211_CMD_START_AP and NL80211_CMD_SET_BEACON commands.
Move he_bss_color from cfg80211_ap_settings to cfg80211_beacon_data
and parse NL80211_ATTR_HE_BSS_COLOR as a part of nl80211_parse_beacon()
to have bss color settings parsed for both start ap and set beacon
commands.
Add a new flag he_bss_color_valid to indicate whether
NL80211_ATTR_HE_BSS_COLOR attribute is included.
Signed-off-by: Rameshkumar Sundaram <quic_ramess@quicinc.com>
Link: https://lore.kernel.org/r/1649867295-7204-2-git-send-email-quic_ramess@quicinc.com
[fix build ...]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
No conflicts.
Build issue in drivers/net/ethernet/sfc/ptp.c
54fccfdd7c66 ("sfc: efx_default_channel_type APIs can be static")
49e6123c65da ("net: sfc: fix memory leak due to ptp channel")
https://lore.kernel.org/all/20220510130556.52598fe2@canb.auug.org.au/
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Since internal_flags is only 8 bits, we can only have one
more internal flag. However, we can obviously never use all
of possible the combinations, in fact, we only use 14 of
them (including no flags).
Since we want more flags for MLO (multi-link operation) in
the future, refactor the code to use a flags selector, so
wrap all of the .internal_flags assignments in a IFLAGS()
macro which selects the combination according to the pre-
defined list of combinations.
When we need a new combination, we'll have to add it, but
again we will never use all possible combinations.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Link: https://lore.kernel.org/r/20220414140402.70ddf8af3eb0.I2cc38cb6a10bb4c3863ec9ee97edbcc70a07aa4b@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
We haven't used this function for years, since commit c781944b71f8
("cfg80211: Remove unused cfg80211_can_use_iftype_chan()") which
itself removed a function unused since commit 97dc94f1d933
("cfg80211: remove channel_switch combination check"), almost eight
years ago.
Also remove the now unused enum cfg80211_chan_mode and some struct
members that were only used for this function.
Link: https://lore.kernel.org/r/20220412220958.1a191dca19d7.Ide4448f02d0e2f1ca2992971421ffc1933a5370a@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
When retrieving the S1G channel number from IEs, we should retrieve
the operating channel instead of the primary channel. The S1G operation
element specifies the main channel of operation as the oper channel,
unlike for HT and HE which specify their main channel of operation as
the primary channel.
Signed-off-by: Kieran Frewen <kieran.frewen@morsemicro.com>
Signed-off-by: Bassem Dawood <bassem@morsemicro.com>
Link: https://lore.kernel.org/r/20220420041321.3788789-1-kieran.frewen@morsemicro.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Validate the S1G channel width input by user to ensure it matches
that of the requested channel
Signed-off-by: Kieran Frewen <kieran.frewen@morsemicro.com>
Signed-off-by: Bassem Dawood <bassem@morsemicro.com>
Link: https://lore.kernel.org/r/20220420041321.3788789-2-kieran.frewen@morsemicro.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
First set of patches for v5.19 and this is a big one. We have two new
drivers, a change in mac80211 STA API affecting most drivers and
ath11k getting support for WCN6750. And as usual lots of fixes and
cleanups all over.
Major changes:
new drivers
* wfx: silicon labs devices
* plfxlc: pureLiFi X, XL, XC devices
mac80211
* host based BSS color collision detection
* prepare sta handling for IEEE 802.11be Multi-Link Operation (MLO) support
rtw88
* support TP-Link T2E devices
rtw89
* support firmware crash simulation
* preparation for 8852ce hardware support
ath11k
* Wake-on-WLAN support for QCA6390 and WCN6855
* device recovery (firmware restart) support for QCA6390 and WCN6855
* support setting Specific Absorption Rate (SAR) for WCN6855
* read country code from SMBIOS for WCN6855/QCA6390
* support for WCN6750
wcn36xx
* support for transmit rate reporting to user space
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Merge tag 'wireless-next-2022-05-03' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next
Kalle Valo says:
====================
wireless-next patches for v5.19
First set of patches for v5.19 and this is a big one. We have two new
drivers, a change in mac80211 STA API affecting most drivers and
ath11k getting support for WCN6750. And as usual lots of fixes and
cleanups all over.
Major changes:
new drivers
- wfx: silicon labs devices
- plfxlc: pureLiFi X, XL, XC devices
mac80211
- host based BSS color collision detection
- prepare sta handling for IEEE 802.11be Multi-Link Operation (MLO) support
rtw88
- support TP-Link T2E devices
rtw89
- support firmware crash simulation
- preparation for 8852ce hardware support
ath11k
- Wake-on-WLAN support for QCA6390 and WCN6855
- device recovery (firmware restart) support for QCA6390 and WCN6855
- support setting Specific Absorption Rate (SAR) for WCN6855
- read country code from SMBIOS for WCN6855/QCA6390
- support for WCN6750
wcn36xx
- support for transmit rate reporting to user space
* tag 'wireless-next-2022-05-03' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next: (228 commits)
rtw89: 8852c: rfk: add DPK
rtw89: 8852c: rfk: add IQK
rtw89: 8852c: rfk: add RX DCK
rtw89: 8852c: rfk: add RCK
rtw89: 8852c: rfk: add TSSI
rtw89: 8852c: rfk: add LCK
rtw89: 8852c: rfk: add DACK
rtw89: 8852c: rfk: add RFK tables
plfxlc: fix le16_to_cpu warning for beacon_interval
rtw88: remove a copy of the NAPI_POLL_WEIGHT define
carl9170: tx: fix an incorrect use of list iterator
wil6210: use NAPI_POLL_WEIGHT for napi budget
ath10k: remove a copy of the NAPI_POLL_WEIGHT define
ath11k: Add support for WCN6750 device
ath11k: Datapath changes to support WCN6750
ath11k: HAL changes to support WCN6750
ath11k: Add QMI changes for WCN6750
ath11k: Fetch device information via QMI for WCN6750
ath11k: Add register access logic for WCN6750
ath11k: Add HW params for WCN6750
...
====================
Link: https://lore.kernel.org/r/20220503153622.C1671C385A4@smtp.kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
There's no real reason not to send the SSID to userspace
when it requests information about P2P_GO, it is, in that
respect, exactly the same as AP interfaces. Fix that.
Fixes: 44905265bc15 ("nl80211: don't expose wdev->ssid for most interfaces")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Link: https://lore.kernel.org/r/20220318134656.14354ae223f0.Ia25e85a512281b92e1645d4160766a4b1a471597@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Synchronize additions to nontrans_list of transmitting BSS with
bss_lock to avoid races. Also when cfg80211_add_nontrans_list() fails
__cfg80211_unlink_bss() needs bss_lock to be held (has lockdep assert
on bss_lock). So protect the whole block with bss_lock to avoid
races and warnings. Found during code review.
Fixes: 0b8fb8235be8 ("cfg80211: Parsing of Multiple BSSID information in scanning")
Signed-off-by: Rameshkumar Sundaram <quic_ramess@quicinc.com>
Link: https://lore.kernel.org/r/1649668071-9370-1-git-send-email-quic_ramess@quicinc.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* add BCM43454/6 support
rtw89
* add support for 160 MHz channels and 6 GHz band
* hardware scan support
iwlwifi
* support UHB TAS enablement via BIOS
* remove a bunch of W=1 warnings
* add support for channel switch offload
* support 32 Rx AMPDU sessions in newer devices
* add support for a couple of new devices
* add support for band disablement via BIOS
mt76
* mt7915 thermal management improvements
* SAR support for more mt76 drivers
* mt7986 wmac support on mt7915
ath11k
* debugfs interface to configure firmware debug log level
* debugfs interface to test Target Wake Time (TWT)
* provide 802.11ax High Efficiency (HE) data via radiotap
ath9k
* use hw_random API instead of directly dumping into random.c
wcn36xx
* fix wcn3660 to work on 5 GHz band
ath6kl
* add device ID for WLU5150-D81
cfg80211/mac80211
* initial EHT (from 802.11be) support
(EHT rates, 320 MHz, larger block-ack)
* support disconnect on HW restart
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Merge tag 'wireless-next-2022-03-11' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next
Johannes Berg says:
====================
brcmfmac
* add BCM43454/6 support
rtw89
* add support for 160 MHz channels and 6 GHz band
* hardware scan support
iwlwifi
* support UHB TAS enablement via BIOS
* remove a bunch of W=1 warnings
* add support for channel switch offload
* support 32 Rx AMPDU sessions in newer devices
* add support for a couple of new devices
* add support for band disablement via BIOS
mt76
* mt7915 thermal management improvements
* SAR support for more mt76 drivers
* mt7986 wmac support on mt7915
ath11k
* debugfs interface to configure firmware debug log level
* debugfs interface to test Target Wake Time (TWT)
* provide 802.11ax High Efficiency (HE) data via radiotap
ath9k
* use hw_random API instead of directly dumping into random.c
wcn36xx
* fix wcn3660 to work on 5 GHz band
ath6kl
* add device ID for WLU5150-D81
cfg80211/mac80211
* initial EHT (from 802.11be) support
(EHT rates, 320 MHz, larger block-ack)
* support disconnect on HW restart
* tag 'wireless-next-2022-03-11' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next: (247 commits)
mac80211: Add support to trigger sta disconnect on hardware restart
mac80211: fix potential double free on mesh join
mac80211: correct legacy rates check in ieee80211_calc_rx_airtime
nl80211: fix typo of NL80211_IF_TYPE_OCB in documentation
mac80211: Use GFP_KERNEL instead of GFP_ATOMIC when possible
mac80211: replace DEFINE_SIMPLE_ATTRIBUTE with DEFINE_DEBUGFS_ATTRIBUTE
rtw89: 8852c: process logic efuse map
rtw89: 8852c: process efuse of phycap
rtw89: support DAV efuse reading operation
rtw89: 8852c: add chip::dle_mem
rtw89: add page_regs to handle v1 chips
rtw89: add chip_info::{h2c,c2h}_reg to support more chips
rtw89: add hci_func_en_addr to support variant generation
rtw89: add power_{on/off}_func
rtw89: read chip version depends on chip ID
rtw89: pci: use a struct to describe all registers address related to DMA channel
rtw89: pci: add V1 of PCI channel address
rtw89: pci: add struct rtw89_pci_info
rtw89: 8852c: add 8852c empty files
MAINTAINERS: add devicetree bindings entry for mt76
...
====================
Link: https://lore.kernel.org/r/20220311124029.213470-1-johannes@sipsolutions.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Since commit
baebdf48c3600 ("net: dev: Makes sure netif_rx() can be invoked in any context.")
the function netif_rx() can be used in preemptible/thread context as
well as in interrupt context.
Use netif_rx().
Cc: Johannes Berg <johannes@sipsolutions.net>
Cc: linux-wireless@vger.kernel.org
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
The wdev channel information is updated post channel switch only for
the station mode and not for the other modes. Due to this, the P2P client
still points to the old value though it moved to the new channel
when the channel change is induced from the P2P GO.
Update the bss channel after CSA channel switch completion for P2P client
interface as well.
Signed-off-by: Sreeramya Soratkal <quic_ssramya@quicinc.com>
Link: https://lore.kernel.org/r/1646114600-31479-1-git-send-email-quic_ssramya@quicinc.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
The kbuild change here accidentally removed not only the
unquoting, but also the last character of the variable
name. Fix that.
Fixes: 129ab0d2d9f3 ("kbuild: do not quote string values in include/config/auto.conf")
Reviewed-by: Masahiro Yamada <masahiroy@kernel.org>
Link: https://lore.kernel.org/r/20220221155512.1d25895f7c5f.I50fa3d4189fcab90a2896fe8cae215035dae9508@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
As there's potential for failure of the nla_memdup(),
check the return value.
Fixes: a442b761b24b ("cfg80211: add add_nan_func / del_nan_func")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Link: https://lore.kernel.org/r/20220301100020.3801187-1-jiasheng@iscas.ac.cn
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
My previous fix here to fix the deadlock left a race where
the exact same deadlock (see the original commit referenced
below) can still happen if cfg80211_destroy_ifaces() already
runs while nl80211_netlink_notify() is still marking some
interfaces as nl_owner_dead.
The race happens because we have two loops here - first we
dev_close() all the netdevs, and then we destroy them. If we
also have two netdevs (first one need only be a wdev though)
then we can find one during the first iteration, close it,
and go to the second iteration -- but then find two, and try
to destroy also the one we didn't close yet.
Fix this by only iterating once.
Reported-by: Toke Høiland-Jørgensen <toke@redhat.com>
Fixes: ea6b2098dd02 ("cfg80211: fix locking in netlink owner interface destruction")
Tested-by: Toke Høiland-Jørgensen <toke@redhat.com>
Link: https://lore.kernel.org/r/20220201130951.22093-1-johannes@sipsolutions.net
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
When adding 6GHz channels to scan request based on reported
co-located APs, don't add channels that have only APs with
"non-transmitted" BSSes if they only match the wildcard SSID since
they will be found by probing the "transmitted" BSS.
Signed-off-by: Avraham Stern <avraham.stern@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20220202104617.f6ddf099f934.I231e55885d3644f292d00dfe0f42653269f2559e@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
There's currently only one driver that reports CHECKSUM_COMPLETE,
that is iwlwifi. The current hardware there calculates checksum
after the SNAP header, but only RFC 1042 (and some other cases,
but replicating the exact hardware logic for corner cases in the
driver seemed awkward.)
Newer generations of hardware will checksum _including_ the SNAP,
which makes things easier.
To handle that, simply always assume the checksum _includes_ the
SNAP header, which this patch does, requiring to first add it
for older iwlwifi hardware, and then remove it again later on
conversion.
Alternatively, we could have:
1) Always assumed the checksum starts _after_ the SNAP header;
the problem with this is that we'd have to replace the exact
"what is the SNAP" check in iwlwifi that cfg80211 has.
2) Made it configurable with some flag, but that seemed like too
much complexity.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20220202104617.230736e19e0e.I3e6745873585ad943c152fab9e23b5221f17a95f@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
