* injection/radiotap updates for new test capabilities
* remove WDS support - even years ago when we turned
it off by default it was already basically unusable
* support for HE (802.11ax) rates for beacons
* support for some vendor-specific HE rates
* many other small features/cleanups
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Merge tag 'mac80211-next-for-net-next-2020-11-13' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next
Johannes Berg says:
====================
Some updates:
* injection/radiotap updates for new test capabilities
* remove WDS support - even years ago when we turned
it off by default it was already basically unusable
* support for HE (802.11ax) rates for beacons
* support for some vendor-specific HE rates
* many other small features/cleanups
* tag 'mac80211-next-for-net-next-2020-11-13' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next: (21 commits)
nl80211: fix kernel-doc warning in the new SAE attribute
cfg80211: remove WDS code
mac80211: remove WDS-related code
rt2x00: remove WDS code
b43legacy: remove WDS code
b43: remove WDS code
carl9170: remove WDS code
ath9k: remove WDS code
wireless: remove CONFIG_WIRELESS_WDS
mac80211: assure that certain drivers adhere to DONT_REORDER flag
mac80211: don't overwrite QoS TID of injected frames
mac80211: adhere to Tx control flag that prevents frame reordering
mac80211: add radiotap flag to assure frames are not reordered
mac80211: save HE oper info in BSS config for mesh
cfg80211: add support to configure HE MCS for beacon rate
nl80211: fix beacon tx rate mask validation
nl80211/cfg80211: fix potential infinite loop
cfg80211: Add support to calculate and report 4096-QAM HE rates
cfg80211: Add support to configure SAE PWE value to drivers
ieee80211: Add definition for WFA DPP
...
====================
Link: https://lore.kernel.org/r/20201113101148.25268-1-johannes@sipsolutions.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
While adding HE MCS beacon tx rate support, it is observed that legacy
beacon tx rate in VHT hwsim test suite is failed. Whenever the
application doesn't explicitly set VHT/MCS rate attribute in fixed rate
command, by default all HE MCS masks are enabled in cfg80211. In beacon
fixed rate, more than one rate mask is not allowed. Fix that by not
setting all rate mask by default in case of beacon tx rate.
Signed-off-by: Rajkumar Manoharan <rmanohar@codeaurora.org>
Link: https://lore.kernel.org/r/1602879327-29488-1-git-send-email-rmanohar@codeaurora.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
The for-loop iterates with a u8 loop counter and compares this
with the loop upper limit of request->n_ssids which is an int type.
There is a potential infinite loop if n_ssids is larger than the
u8 loop counter, so fix this by making the loop counter an int.
Addresses-Coverity: ("Infinite loop")
Fixes: c8cb5b854b ("nl80211/cfg80211: support 6 GHz scanning")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Link: https://lore.kernel.org/r/20201029222407.390218-1-colin.king@canonical.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Drivers supporting 4096-QAM rates as a vendor extension in HE mode need
to update the correct rate info to userspace while using 4096-QAM (MCS12
and MCS13) in HE mode. Add support to calculate bitrates of HE-MCS12 and
HE-MCS13 which represent the 4096-QAM modulation schemes. The MCS12 and
MCS13 bitrates are defined in IEEE P802.11be/D0.1.
In addition, scale up the bitrates by 3*2048 in order to accommodate
calculations for the new MCS12 and MCS13 rates without losing fraction
values.
Signed-off-by: Vamsi Krishna <vamsin@codeaurora.org>
Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
Link: https://lore.kernel.org/r/20201029183457.7005-1-jouni@codeaurora.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Add support to configure SAE PWE preference from userspace to drivers in
both AP and STA modes. This is needed for cases where the driver takes
care of Authentication frame processing (SME in the driver) so that
correct enforcement of the acceptable PWE derivation mechanism can be
performed.
The userspace applications can pass the sae_pwe value using the
NL80211_ATTR_SAE_PWE attribute in the NL80211_CMD_CONNECT and
NL80211_CMD_START_AP commands to the driver. This allows selection
between the hunting-and-pecking loop and hash-to-element options for PWE
derivation. For backwards compatibility, this new attribute is optional
and if not included, the driver is notified of the value being
unspecified.
Signed-off-by: Rohan Dutta <drohan@codeaurora.org>
Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
Link: https://lore.kernel.org/r/20201027100910.22283-1-jouni@codeaurora.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Fix follow warning:
[net/wireless/reg.c:3619]: (warning) %d in format string (no. 2)
requires 'int' but the argument type is 'unsigned int'.
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Ye Bin <yebin10@huawei.com>
Link: https://lore.kernel.org/r/20201009070215.63695-1-yebin10@huawei.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
There's a race condition in the netdev registration in that
NETDEV_REGISTER actually happens after the netdev is available,
and so if we initialize things only there, we might get called
with an uninitialized wdev through nl80211 - not using a wdev
but using a netdev interface index.
I found this while looking into a syzbot report, but it doesn't
really seem to be related, and unfortunately there's no repro
for it (yet). I can't (yet) explain how it managed to get into
cfg80211_release_pmsr() from nl80211_netlink_notify() without
the wdev having been initialized, as the latter only iterates
the wdevs that are linked into the rdev, which even without the
change here happened after init.
However, looking at this, it seems fairly clear that the init
needs to be done earlier, otherwise we might even re-init on a
netns move, when data might still be pending.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Link: https://lore.kernel.org/r/20201009135821.fdcbba3aad65.Ie9201d91dbcb7da32318812effdc1561aeaf4cdc@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* fixes for the recent S1G work
* a docbook build time improvement
* API to pass beacon rate to lower-level driver
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Merge tag 'mac80211-next-for-net-next-2020-10-08' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next
Johannes Berg says:
====================
A handful of changes:
* fixes for the recent S1G work
* a docbook build time improvement
* API to pass beacon rate to lower-level driver
====================
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Small conflict around locking in rxrpc_process_event() -
channel_lock moved to bundle in next, while state lock
needs _bh() from net.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Bulk of the genetlink users can use smaller ops, move them.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
When dumping wiphy information, we try to split the data into
many submessages, but for old userspace we still support the
old mode where this doesn't happen.
However, in this case we were not resetting our state correctly
and dumping multiple messages for each wiphy, which would have
broken such older userspace.
This was broken pretty much immediately afterwards because it
only worked in the original commit where non-split dumps didn't
have any more data than split dumps...
Fixes: fe1abafd94 ("nl80211: re-add channel width and extended capa advertising")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Link: https://lore.kernel.org/r/20200928130717.3e6d9c6bada2.Ie0f151a8d0d00a8e1e18f6a8c9244dd02496af67@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
When wiphy dumps cannot be split, such as in events or with
older userspace that doesn't support it, the size can today
be too big.
Reduce it, by doing two things:
1) remove data that couldn't have been present before the
split capability was introduced since it's new, such as
HE capabilities
2) as suggested by Martin Willi, remove management frame
subtypes from the split dumps, as just (1) isn't even
enough due to other new code capabilities. This is fine
as old consumers (really just wpa_supplicant) didn't
check this data before they got support for split dumps.
Reported-by: Martin Willi <martin@strongswan.org>
Suggested-by: Martin Willi <martin@strongswan.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Tested-by: Martin Willi <martin@strongswan.org>
Link: https://lore.kernel.org/r/20200928130655.53bce7873164.I71f06c9a221cd0630429a1a56eeae68a13beca61@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
The SRG min and max offset won't present when SRG Information Present of
SR control field of Spatial Reuse Parameter Set element set to 0. Per
spec. IEEE802.11ax D7.0, SRG OBSS PD Min Offset ≤ SRG OBSS PD Max
Offset. Hence fix the constrain check to allow same values in both
offset and also call appropriate nla_get function to read the values.
Fixes: 796e90f42b ("cfg80211: add support for parsing OBBS_PD attributes")
Signed-off-by: Rajkumar Manoharan <rmanohar@codeaurora.org>
Link: https://lore.kernel.org/r/1601278091-20313-1-git-send-email-rmanohar@codeaurora.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
The the __freq_reg_info() never returns NULL and the callers don't check
for NULL. This initialization to set "reg_rule = NULL;" is just there
to make GCC happy but it's not required in current GCCs.
The problem is that Smatch sees the initialization and concludes that
this function can return NULL so it complains that the callers are not
checking for it.
Smatch used to be able to parse this correctly but we recently changed
the code from:
- for (bw = MHZ_TO_KHZ(20); bw >= min_bw; bw = bw / 2) {
+ for (bw = MHZ_TO_KHZ(bws[i]); bw >= min_bw; bw = MHZ_TO_KHZ(bws[i--])) {
Originally Smatch used to understand that this code always iterates
through the loop once, but the change from "MHZ_TO_KHZ(20)" to
"MHZ_TO_KHZ(bws[i])" is too complicated for Smatch.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/20200923084203.GC1454948@mwanda
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Recently channels gained a potential frequency offset, so
include this in the per-channel survey info.
Signed-off-by: Thomas Pedersen <thomas@adapt-ip.com>
Link: https://lore.kernel.org/r/20200922022818.15855-16-thomas@adapt-ip.com
[add the offset only if non-zero]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
The sending STA type is implicit based on beacon or probe
response content. If sending STA was an S1G STA, adjust
the Information Element location accordingly.
Signed-off-by: Thomas Pedersen <thomas@adapt-ip.com>
Link: https://lore.kernel.org/r/20200922022818.15855-9-thomas@adapt-ip.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
The S1G beacon is an extension frame as opposed to
management frame for the regular beacon. This means we may
have to occasionally cast the frame buffer to a different
header type. Luckily this isn't too bad as scan results
mostly only care about the IEs.
Signed-off-by: Thomas Pedersen <thomas@adapt-ip.com>
Link: https://lore.kernel.org/r/20200922022818.15855-6-thomas@adapt-ip.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
NL80211_ATTR_S1G_CAPABILITY can be passed along with
NL80211_ATTR_S1G_CAPABILITY_MASK to NL80211_CMD_ASSOCIATE
to indicate S1G capabilities which should override the
hardware capabilities in eg. the association request.
Signed-off-by: Thomas Pedersen <thomas@adapt-ip.com>
Link: https://lore.kernel.org/r/20200922022818.15855-4-thomas@adapt-ip.com
[johannes: always require both attributes together, commit message]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Support 6 GHz scanning, by
* a new scan flag to scan for colocated BSSes advertised
by (and found) APs on 2.4 & 5 GHz
* doing the necessary reduced neighbor report parsing for
this, to find them
* adding the ability to split the scan request in case the
device by itself cannot support this.
Also add some necessary bits in mac80211 to not break with
these changes.
Signed-off-by: Tova Mussai <tova.mussai@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Link: https://lore.kernel.org/r/20200918113313.232917c93af9.Ida22f0212f9122f47094d81659e879a50434a6a2@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Two minor conflicts:
1) net/ipv4/route.c, adding a new local variable while
moving another local variable and removing it's
initial assignment.
2) drivers/net/dsa/microchip/ksz9477.c, overlapping changes.
One pretty prints the port mode differently, whilst another
changes the driver to try and obtain the port mode from
the port node rather than the switch node.
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch adds new attributes to support unsolicited broadcast
probe response transmission used for in-band
discovery in 6GHz band (IEEE P802.11ax/D6.0 26.17.2.3.2, AP behavior for
fast passive scanning).
The new attribute, NL80211_ATTR_UNSOL_BCAST_PROBE_RESP, is nested which
supports following parameters:
(1) NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_INT - Packet interval
(2) NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL - Template data
Signed-off-by: Aloka Dixit <alokad@codeaurora.org>
Link: https://lore.kernel.org/r/010101747a946698-aac263ae-2ed3-4dab-9590-0bc7131214e1-000000@us-west-2.amazonses.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
S1G channels have a single width defined per frequency, so
derive it from the channel flags with
ieee80211_s1g_channel_width().
Also support setting an S1G channel where control frequency may
differ from operating, and add some basic validation to
ensure the control channel is with the operating.
Signed-off-by: Thomas Pedersen <thomas@adapt-ip.com>
Link: https://lore.kernel.org/r/20200908190323.15814-6-thomas@adapt-ip.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
The S1G beacon has a different header size than regular
beacons, so adjust the beacon head validator.
Signed-off-by: Thomas Pedersen <thomas@adapt-ip.com>
Link: https://lore.kernel.org/r/20200908190323.15814-5-thomas@adapt-ip.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
S1G channels have a minimum bandwidth of 1Mhz, and there
is a 1:1 mapping of allowed bandwidth to channel number.
Signed-off-by: Thomas Pedersen <thomas@adapt-ip.com>
Link: https://lore.kernel.org/r/20200908190323.15814-4-thomas@adapt-ip.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
S1G supports 5 channel widths: 1, 2, 4, 8, and 16. One
channel width is allowed per frequency in each operating
class, so it makes more sense to advertise the specific
channel width allowed.
Signed-off-by: Thomas Pedersen <thomas@adapt-ip.com>
Link: https://lore.kernel.org/r/20200908190323.15814-3-thomas@adapt-ip.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
When LIB80211_CRYPT_CCMP is enabled and CRYPTO is disabled, it results in unmet
direct dependencies config warning. The reason is that LIB80211_CRYPT_CCMP
selects CRYPTO_AES and CRYPTO_CCM, which are subordinate to CRYPTO. This is
reproducible with CRYPTO disabled and R8188EU enabled, where R8188EU selects
LIB80211_CRYPT_CCMP but does not select or depend on CRYPTO.
Honor the kconfig menu hierarchy to remove kconfig dependency warnings.
Fixes: a11e2f8548 ("lib80211: use crypto API ccm(aes) transform for CCMP processing")
Signed-off-by: Necip Fazil Yildiran <fazilyildiran@gmail.com>
Link: https://lore.kernel.org/r/20200909095452.3080-1-fazilyildiran@gmail.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
We got slightly different patches removing a double word
in a comment in net/ipv4/raw.c - picked the version from net.
Simple conflict in drivers/net/ethernet/ibm/ibmvnic.c. Use cached
values instead of VNIC login response buffer (following what
commit 507ebe6444 ("ibmvnic: Fix use-after-free of VNIC login
response buffer") did).
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Pull networking fixes from David Miller:
1) Use netif_rx_ni() when necessary in batman-adv stack, from Jussi
Kivilinna.
2) Fix loss of RTT samples in rxrpc, from David Howells.
3) Memory leak in hns_nic_dev_probe(), from Dignhao Liu.
4) ravb module cannot be unloaded, fix from Yuusuke Ashizuka.
5) We disable BH for too lokng in sctp_get_port_local(), add a
cond_resched() here as well, from Xin Long.
6) Fix memory leak in st95hf_in_send_cmd, from Dinghao Liu.
7) Out of bound access in bpf_raw_tp_link_fill_link_info(), from
Yonghong Song.
8) Missing of_node_put() in mt7530 DSA driver, from Sumera
Priyadarsini.
9) Fix crash in bnxt_fw_reset_task(), from Michael Chan.
10) Fix geneve tunnel checksumming bug in hns3, from Yi Li.
11) Memory leak in rxkad_verify_response, from Dinghao Liu.
12) In tipc, don't use smp_processor_id() in preemptible context. From
Tuong Lien.
13) Fix signedness issue in mlx4 memory allocation, from Shung-Hsi Yu.
14) Missing clk_disable_prepare() in gemini driver, from Dan Carpenter.
15) Fix ABI mismatch between driver and firmware in nfp, from Louis
Peens.
* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (110 commits)
net/smc: fix sock refcounting in case of termination
net/smc: reset sndbuf_desc if freed
net/smc: set rx_off for SMCR explicitly
net/smc: fix toleration of fake add_link messages
tg3: Fix soft lockup when tg3_reset_task() fails.
doc: net: dsa: Fix typo in config code sample
net: dp83867: Fix WoL SecureOn password
nfp: flower: fix ABI mismatch between driver and firmware
tipc: fix shutdown() of connectionless socket
ipv6: Fix sysctl max for fib_multipath_hash_policy
drivers/net/wan/hdlc: Change the default of hard_header_len to 0
net: gemini: Fix another missing clk_disable_unprepare() in probe
net: bcmgenet: fix mask check in bcmgenet_validate_flow()
amd-xgbe: Add support for new port mode
net: usb: dm9601: Add USB ID of Keenetic Plus DSL
vhost: fix typo in error message
net: ethernet: mlx4: Fix memory allocation in mlx4_buddy_init()
pktgen: fix error message with wrong function name
net: ethernet: ti: am65-cpsw: fix rmii 100Mbit link mode
cxgb4: fix thermal zone device registration
...
Let drivers advertise support for AP-mode SAE authentication offload
with a new NL80211_EXT_FEATURE_SAE_OFFLOAD_AP flag.
Signed-off-by: Chung-Hsien Hsu <stanley.hsu@cypress.com>
Signed-off-by: Chi-Hsien Lin <chi-hsien.lin@cypress.com>
Link: https://lore.kernel.org/r/20200817073316.33402-4-stanley.hsu@cypress.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
We want to reuse the attributes for other counters such as BSS color
change. Rename them to more generic names.
Signed-off-by: John Crispin <john@phrozen.org>
Link: https://lore.kernel.org/r/20200811080107.3615705-1-john@phrozen.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This patch adds the nl80211 structs, definitions, policies and parsing
code required to pass fixed HE rate, GI and LTF settings.
Signed-off-by: Miles Hu <milehu@codeaurora.org>
Signed-off-by: John Crispin <john@phrozen.org>
Link: https://lore.kernel.org/r/20200804081630.2013619-1-john@phrozen.org
[fix comment]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Some usable channels are located in the union of adjacent
regulatory rules, for example channel 144 in Germany.
Enable them, by also checking if a channel spans two adjacent
regulatory rules/frequency ranges.
All flags involved are disabling things, therefore we can build
the maximum by or-ing them together. Furthermore, take the maximum
of DFS CAC time values and the minimum of allowed power of both
adjacent channels in order to comply with both regulatory rules at
the same time.
Signed-off-by: Markus Theil <markus.theil@tu-ilmenau.de>
Link: https://lore.kernel.org/r/20200803144353.305538-2-markus.theil@tu-ilmenau.de
[remove unrelated comment changes]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
As a preparation to handle adjacent rule channels,
factor out handling channels located in a single
regulatory rule.
Signed-off-by: Markus Theil <markus.theil@tu-ilmenau.de>
Link: https://lore.kernel.org/r/20200803144353.305538-1-markus.theil@tu-ilmenau.de
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
We have a few attributes with minimum and maximum lengths that are
not the same, use the new feature of being able to specify both in
the policy to validate them, removing code and allowing this to be
advertised to userspace in the policy export.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Link: https://lore.kernel.org/r/20200819085642.8f12ffa14f33.I9d948d59870e521febcd79bb4a986b1de1dca47b@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
