- 13 Sep, 2023 9 commits
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Aloka Dixit authored
FILS discovery and unsolicited broadcast probe response templates need to be updated along with beacon templates in some cases such as the channel switch operation. Add the missing implementation. Signed-off-by:
Aloka Dixit <quic_alokad@quicinc.com> Reviewed-by:
Jeff Johnson <quic_jjohnson@quicinc.com> Link: https://lore.kernel.org/r/20230727174100.11721-5-quic_alokad@quicinc.comSigned-off-by:
Johannes Berg <johannes.berg@intel.com>
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Aloka Dixit authored
Modify the prototype for change_beacon() in struct cfg80211_op to accept cfg80211_ap_settings instead of cfg80211_beacon_data so that it can process data in addition to beacons. Modify the prototypes of ieee80211_change_beacon() and driver specific functions accordingly. Signed-off-by:
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Aloka Dixit authored
FILS discovery configuration gets updated only if the maximum interval is set to a non-zero value, hence there is no way to reset this value to 0 once set. Replace the check for interval with a new flag which is set only if the configuration should be updated. Add similar changes for the unsolicited broadcast probe response handling. Signed-off-by:
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Aloka Dixit authored
Add a new flag 'update' which is set to true during start_ap() if (and only if) one of the following two conditions are met: - Userspace passed an empty nested attribute which indicates that the feature should be disabled and templates deleted. - Userspace passed all the parameters for the nested attribute. Existing configuration will not be changed while the flag remains false. Add similar changes for unsolicited broadcast probe response transmission. Signed-off-by:
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Tom Rix authored
clang with W=1 reports net/wireless/lib80211_crypt_tkip.c:667:7: error: variable 'iv32' set but not used [-Werror,-Wunused-but-set-variable] u32 iv32 = tkey->tx_iv32; ^ This variable not used so remove it. Then remove a similar iv16 variable. Change the comment because the unmodified value is returned. Signed-off-by:Tom Rix <trix@redhat.com> Reviewed-by:
Simon Horman <simon.horman@corigine.com> Link: https://lore.kernel.org/r/20230517123310.873023-1-trix@redhat.com [change commit log wrt. 'length', add comment in the code] Signed-off-by:
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Johannes Berg authored
We really cannot even get into this as we can't have a BSS with a 5/10 MHz (scan) width, and therefore all the code handling shifted rates cannot happen. Remove it all, since it's broken anyway, at least with MLO. Signed-off-by: -
Johannes Berg authored
There really isn't any support for scanning at different channel widths than 20 MHz since there's no way to set it. Remove this support for now, if somebody wants to maintain this whole thing later we can revisit how it should work. Signed-off-by: -
Dmitry Antipov authored
Since 'sprintf()' returns the number of characters emitted, an extra calls to 'strlen()' in 'ieee80211_bss()' may be dropped. Signed-off-by:
Dmitry Antipov <dmantipov@yandex.ru> Link: https://lore.kernel.org/r/20230912035522.15947-1-dmantipov@yandex.ruSigned-off-by:
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Johannes Berg authored
Clearly, there's no space in the function name, not sure how that could've happened. Put the underscore that it should be. Reported-by:
Stephen Rothwell <sfr@canb.auug.org.au> Fixes: 56cfb8ce ("wifi: cfg80211: add flush functions for wiphy work") Signed-off-by:
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- 11 Sep, 2023 31 commits
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Johannes Berg authored
EHT devices can support 512 MPDUs in an A-MPDU, each of which might be an A-MSDU and thus further contain multiple MSDUs, which need their own buffer each. Increase the number of buffers to avoid running out in high-throughput scenarios. Signed-off-by:
Gregory Greenman <gregory.greenman@intel.com> Link: https://lore.kernel.org/r/20230830112059.824e522927f1.Ie5b4a2d3953072b9d76054ae67e2e45900d6bba4@changeidSigned-off-by:
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Johannes Berg authored
On newer hardware, a queue's RB status / write pointer can be bigger than 4095 (0xFFF), so we cannot mask the value by 0xFFF unconditionally. Since anyway that's only necessary on older hardware, move the masking to the helper function and apply it only for older HW. This also moves the endian conversion in to handle it more easily. Signed-off-by:
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Johannes Berg authored
Since 1024 isn't being tested right now, allow only 512 for now. Signed-off-by:
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Johannes Berg authored
Some cases of restart crashing here have been reported, while we figure out where this is going wrong, check the link more carefully to avoid the crash. Signed-off-by:
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Johannes Berg authored
The firmware was trying to report the B2 RU allocation in the place previously used here as well, but there's a HW block that clears the lower 8 bits in this metadata word even in sniffer mode. Thus, firmware moved B2 to another place, follow that. There's no need to detect the version since moving it to the other place if firmware didn't just means that we'll continue to report the (erroneous) zero value, and it's not really something we can detect from the firmware now. While debugging this we realized that the comments about placement in the metadata dwords are wrong, update them. Reported-by:
Youhan Kim <youhank@qti.qualcomm.com> Signed-off-by:
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Johannes Berg authored
The last member of the enum is meant to count the items, but sparse cannot increment the previous member due to its bitwise type. Declaring the last entry with a value doesn't work either (cannot mix bitwise/non-bitwise) and declaring it with a bitwise value doesn't work due to the way it gets used. This led to the current construct. However, that construct the kernel-doc script doesn't understand this construct due to the use of #ifdef/#else. Find another solution that makes both tools happy, we do now do declare it as the bitwise value but then just redefine it so that doesn't get used, all still under __CHECKER__ conditional. Signed-off-by:
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Johannes Berg authored
Fix kernel-doc, adding various documentation, but in some cases (notably rate scaling) just removing the erroneous comment format. Signed-off-by:
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Johannes Berg authored
Fix various missing kernel-doc annotations etc. Signed-off-by:
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Johannes Berg authored
Mostly remove kernel-doc comment annotation since the comments really aren't kernel-doc, and fix a few other places. Signed-off-by:
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Johannes Berg authored
Fix the kernel-doc annotations here, adding the trans parameter and fixing the syntax. Signed-off-by:
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Miri Korenblit authored
Don't use variable err uninitialized. The reason for removing the check instead of initializing it in the beginning of the function is because that way static checkers will be able to catch issues if we do something wrong in the future. Fixes: bf976c81 ("wifi: iwlwifi: mvm: implement link change ops") Signed-off-by:
Miri Korenblit <miriam.rachel.korenblit@intel.com> Signed-off-by:
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Johannes Berg authored
Fix kernel-doc issues. Signed-off-by:
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Emmanuel Grumbach authored
In case the user sets the enable_ini to some preset, we want to honor the value. Remove the ops to set the value of the module parameter is runtime, we don't want to allow to modify the value in runtime since we configure the firmware once at the beginning on its life. Fixes: b49c2b25 ("iwlwifi: Configure FW debug preset via module param.") Signed-off-by:
Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by:
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Johannes Berg authored
If there's an alternative link to use while the CSA is in progress, there's no need to disconnect since another link is still usable during the switching time. Change the code here to handle that accordingly. Signed-off-by:
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Johannes Berg authored
In the spec, CSA is defined roughly as follows: - TBTT x: beacon with CSA, count=n (old channel) - TBTT x+1: beacon with CSA, count=n-1 (old channel) - TBTT x+n-1: beacon with CSA, count=1 (old channel) "A Channel Switch Count field set to 1 indicates that the switch occurs immediately before the next TBTT. - TBTT x+n: beacon without CSA (new channel) When we detect it, we currently schedule the CSA event to be at 10 TUs before TBTT x+n-1, for a beacon interval, to give us quiet time. When this event *starts*, we currently notify mac80211 that the channel switch happened, which causes us to add a session protection event to listen for the first beacon (and enable TX etc. when that arrives). We don't even ask for a notification when this event ends so the code that handles that is effectively dead code. The session protection duration is 3 beacon intervals, scheduled at 10 TU before TBTT x+n-1. It will thus end just before TBTT x+n+2. Unfortunately, if the AP doesn't transmit or we miss just the first two beacons on the new channel, then this will cause us to disconnect. Or even just one, if the AP isn't quite aligned with the TBTT after the switch. However, listening to the _end_ of the time event isn't what we want either, because we want all the new PHY and other config that needs to come from mac80211 to start early, so we have a head-start for the new channel, since we're not going to use the old one anyway for this time. So since we don't really have anything better to do at this time, and this is relatively rare, just make the session protection use 5x the beacon interval instead of just 3x, so it's more likely we catch a beacon even if the AP neglected to send it, or we just miss it. Signed-off-by:
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Emmanuel Grumbach authored
Pass the right link_id to ieee80211_chswitch_done. Use the link_conf parameter passed to post_channel_switch() to get the right ap_sta_id. Signed-off-by:
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Johannes Berg authored
Use the correct link ID and per-link puncturing data instead of hardcoding link ID 0 and using deflink puncturing. Signed-off-by:
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Ilan Peer authored
When user space transmits a management frame it is expected to use the MLD addresses if the connection is an MLD one. Thus, in case the management Tx is using the MLD address and no channel is configured off-channel should not be used (as one of the active links would be used). Signed-off-by:
Ilan Peer <ilan.peer@intel.com> Signed-off-by:
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Johannes Berg authored
The code that sets up the assoc link will currently take the BSS element data from the beacon only. This is correct for some of the data, notably the timing and the "have_beacon", but all the data about MBSSID and EHT really doesn't need to be taken from there, and if the EHT puncturing is misconfigured on the AP but we didn't receive a beacon yet, this causes us to connect but immediately disconnect upon receiving the first beacon, rather than connecting without EHT in the first place. Change the code to take MBSSID and EHT data also from the probe response, for a better picture of what the BSS capabilities are and to avoid that EHT puncturing problem. Signed-off-by:
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Ilan Peer authored
To ease debugging, mostly in cases that authentication fails. Signed-off-by:
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Johannes Berg authored
During my refactoring I wanted to get rid of the switch, but replaced it with the wrong calculation. Fix that. Fixes: 175ad2ec ("wifi: mac80211: limit A-MSDU subframes for client too") Reported-by:
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Johannes Berg authored
Clean up kernel-doc in hwsim's header file. Signed-off-by:
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Johannes Berg authored
Clean up the kernel-doc comments in reg.h. Signed-off-by:
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Johannes Berg authored
There are various kernel-doc issues here, fix them. Signed-off-by:
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Johannes Berg authored
This just causes kernel-doc to complain at this spot, but isn't actually needed anyway, so remove it. Signed-off-by:
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Benjamin Berg authored
The sta info needs to be inserted before its links may be modified. Add a few warnings to prevent accidental usage of these functions. Signed-off-by:
Benjamin Berg <benjamin.berg@intel.com> Signed-off-by:
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Benjamin Berg authored
This function will be used by the kunit tests within cfg80211. As it is generally useful, move it from mac80211 to cfg80211. Signed-off-by:
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Johannes Berg authored
Add a unit test for the parsing of a fragmented sta profile sub-element inside a fragmented multi-link element. Signed-off-by:
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Johannes Berg authored
Add a couple of tests for element defragmentation, to see that the function works correctly. Signed-off-by:
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Johannes Berg authored
If a fragment is the last element, it's erroneously not accepted. Fix that. Fixes: f837a653 ("wifi: cfg80211: add element defragmentation helper") Signed-off-by:
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Emmanuel Grumbach authored
This allows to finalize the CSA per link. In case the switch didn't work, tear down the MLD connection. Also pass the ieee80211_bss_conf to post_channel_switch to let the driver know which link completed the switch. Signed-off-by:
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