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2023-09-13wifi: iwlwifi: pcie: rescan bus if no parentJohannes Berg1-2/+5
If the bus has no parent due to the topology, the device rescan (after some kind of reset was detected) wouldn't work. On the other hand, some platforms appear to require scanning the parent, though it's not clear why. However if there's no parent, then we skip the rescan, which isn't a good idea. Change the code to go to the parent only if that exists, and rescan the bus itself where it doesn't. Signed-off-by: Johannes Berg <[email protected]> Signed-off-by: Gregory Greenman <[email protected]> Link: https://lore.kernel.org/r/20230913145231.f7795a1ccdab.I2b84810a743469a1bcabf3628262cf54311593f4@changeid Signed-off-by: Johannes Berg <[email protected]>
2023-09-11wifi: iwlwifi: mvm: Fix a memory corruption issueChristophe JAILLET1-1/+1
A few lines above, space is kzalloc()'ed for: sizeof(struct iwl_nvm_data) + sizeof(struct ieee80211_channel) + sizeof(struct ieee80211_rate) 'mvm->nvm_data' is a 'struct iwl_nvm_data', so it is fine. At the end of this structure, there is the 'channels' flex array. Each element is of type 'struct ieee80211_channel'. So only 1 element is allocated in this array. When doing: mvm->nvm_data->bands[0].channels = mvm->nvm_data->channels; We point at the first element of the 'channels' flex array. So this is fine. However, when doing: mvm->nvm_data->bands[0].bitrates = (void *)((u8 *)mvm->nvm_data->channels + 1); because of the "(u8 *)" cast, we add only 1 to the address of the beginning of the flex array. It is likely that we want point at the 'struct ieee80211_rate' allocated just after. Remove the spurious casting so that the pointer arithmetic works as expected. Fixes: 8ca151b568b6 ("iwlwifi: add the MVM driver") Signed-off-by: Christophe JAILLET <[email protected]> Acked-by: Gregory Greenman <[email protected]> Link: https://lore.kernel.org/r/23f0ec986ef1529055f4f93dcb3940a6cf8d9a94.1690143750.git.christophe.jaillet@wanadoo.fr Signed-off-by: Johannes Berg <[email protected]>
2023-09-11wifi: iwlwifi: Ensure ack flag is properly cleared.Ben Greear1-0/+3
Debugging indicates that nothing else is clearing the info->flags, so some frames were flagged as ACKed when they should not be. Explicitly clear the ack flag to ensure this does not happen. Signed-off-by: Ben Greear <[email protected]> Acked-by: Gregory Greenman <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Johannes Berg <[email protected]>
2023-09-11wifi: iwlwifi: dbg_ini: fix structure packingArnd Bergmann1-3/+3
The iwl_fw_ini_error_dump_range structure has conflicting alignment requirements for the inner union and the outer struct: In file included from drivers/net/wireless/intel/iwlwifi/fw/dbg.c:9: drivers/net/wireless/intel/iwlwifi/fw/error-dump.h:312:2: error: field within 'struct iwl_fw_ini_error_dump_range' is less aligned than 'union iwl_fw_ini_error_dump_range::(anonymous at drivers/net/wireless/intel/iwlwifi/fw/error-dump.h:312:2)' and is usually due to 'struct iwl_fw_ini_error_dump_range' being packed, which can lead to unaligned accesses [-Werror,-Wunaligned-access] union { As the original intention was apparently to make the entire structure unaligned, mark the innermost members the same way so the union becomes packed as well. Fixes: 973193554cae6 ("iwlwifi: dbg_ini: dump headers cleanup") Signed-off-by: Arnd Bergmann <[email protected]> Acked-by: Gregory Greenman <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Johannes Berg <[email protected]>
2023-09-11wifi: iwlwifi: increase number of RX buffers for EHT devicesJohannes Berg2-11/+7
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: Johannes Berg <[email protected]> Signed-off-by: Gregory Greenman <[email protected]> Link: https://lore.kernel.org/r/20230830112059.824e522927f1.Ie5b4a2d3953072b9d76054ae67e2e45900d6bba4@changeid Signed-off-by: Johannes Berg <[email protected]>
2023-09-11wifi: iwlwifi: pcie: fix RB status readingJohannes Berg3-13/+9
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: Johannes Berg <[email protected]> Signed-off-by: Gregory Greenman <[email protected]> Link: https://lore.kernel.org/r/20230830112059.7be2a3fff6f4.I94f11dee314a4f7c1941d2d223936b1fa8aa9ee4@changeid Signed-off-by: Johannes Berg <[email protected]>
2023-09-11wifi: iwlwifi: mvm: reduce maximum RX A-MPDU sizeJohannes Berg3-4/+4
Since 1024 isn't being tested right now, allow only 512 for now. Signed-off-by: Johannes Berg <[email protected]> Signed-off-by: Gregory Greenman <[email protected]> Link: https://lore.kernel.org/r/20230830112059.6e80366716ad.I19022084ac978b9960b12b205c052a83ab141203@changeid Signed-off-by: Johannes Berg <[email protected]>
2023-09-11wifi: iwlwifi: mvm: check link more carefullyJohannes Berg1-1/+2
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: Johannes Berg <[email protected]> Signed-off-by: Gregory Greenman <[email protected]> Link: https://lore.kernel.org/r/20230830112059.2b81f52ce18e.I8f3b1962013107e2d7491d817c3349359341c6ee@changeid Signed-off-by: Johannes Berg <[email protected]>
2023-09-11wifi: iwlwifi: mvm: move RU alloc B2 placementJohannes Berg2-10/+8
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 <[email protected]> Signed-off-by: Johannes Berg <[email protected]> Signed-off-by: Gregory Greenman <[email protected]> Link: https://lore.kernel.org/r/20230830112059.dec7f1e07ff8.I623fee2d710cc7b6f392d65b708883ed58632b45@changeid Signed-off-by: Johannes Berg <[email protected]>
2023-09-11wifi: iwlwifi: fw: reconstruct the API/CAPA enum numberJohannes Berg1-9/+18
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: Johannes Berg <[email protected]> Signed-off-by: Gregory Greenman <[email protected]> Link: https://lore.kernel.org/r/20230830112059.44bdf6a5fa9e.I9f1ea129f89e53043d48676aed0a3b8f6c31ac08@changeid Signed-off-by: Johannes Berg <[email protected]>
2023-09-11wifi: iwlwifi: mvm: fix kernel-docJohannes Berg4-21/+40
Fix kernel-doc, adding various documentation, but in some cases (notably rate scaling) just removing the erroneous comment format. Signed-off-by: Johannes Berg <[email protected]> Signed-off-by: Gregory Greenman <[email protected]> Link: https://lore.kernel.org/r/20230830112059.4ce1159b51ab.I2021ae335f6b8e50ee2c1c78a79c5eac1c1aa103@changeid Signed-off-by: Johannes Berg <[email protected]>
2023-09-11wifi: iwlwifi: pcie: fix kernel-doc issuesJohannes Berg1-15/+36
Fix various missing kernel-doc annotations etc. Signed-off-by: Johannes Berg <[email protected]> Signed-off-by: Gregory Greenman <[email protected]> Link: https://lore.kernel.org/r/20230830112059.a11b39f9a07e.Ia7b189f003db8f6ccaf0a547e71c80e00b85fb5a@changeid Signed-off-by: Johannes Berg <[email protected]>
2023-09-11wifi: iwlwifi: dvm: remove kernel-doc warningsJohannes Berg4-29/+39
Mostly remove kernel-doc comment annotation since the comments really aren't kernel-doc, and fix a few other places. Signed-off-by: Johannes Berg <[email protected]> Signed-off-by: Gregory Greenman <[email protected]> Link: https://lore.kernel.org/r/20230830112059.7178fb7c96fb.I6af1f291e306c50a3c4f5afcdc2ba0bbd4bea01f@changeid Signed-off-by: Johannes Berg <[email protected]>
2023-09-11wifi: iwlwifi: queue: fix kernel-docJohannes Berg1-2/+4
Fix the kernel-doc annotations here, adding the trans parameter and fixing the syntax. Signed-off-by: Johannes Berg <[email protected]> Signed-off-by: Gregory Greenman <[email protected]> Link: https://lore.kernel.org/r/20230830112059.247919faf4fd.I489f8b3b2ebb49a421bd5d76ea0201262134fb67@changeid Signed-off-by: Johannes Berg <[email protected]>
2023-09-11wifi: iwlwifi: don't use an uninitialized variableMiri Korenblit1-3/+0
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: bf976c814c86 ("wifi: iwlwifi: mvm: implement link change ops") Signed-off-by: Miri Korenblit <[email protected]> Signed-off-by: Gregory Greenman <[email protected]> Link: https://lore.kernel.org/r/20230830112059.431b01bd8779.I31fc4ab35f551b85a10f974a6b18fc30191e9c35@changeid Signed-off-by: Johannes Berg <[email protected]>
2023-09-11wifi: iwlwifi: fix some kernel-doc issuesJohannes Berg9-27/+24
Fix kernel-doc issues. Signed-off-by: Johannes Berg <[email protected]> Signed-off-by: Gregory Greenman <[email protected]> Link: https://lore.kernel.org/r/20230830112059.2edc4d82f717.Ic7c6f1153939903b067062c9aec8fb70e0a2c30d@changeid Signed-off-by: Johannes Berg <[email protected]>
2023-09-11wifi: iwlwifi: honor the enable_ini valueEmmanuel Grumbach4-36/+25
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: b49c2b252b58 ("iwlwifi: Configure FW debug preset via module param.") Signed-off-by: Emmanuel Grumbach <[email protected]> Signed-off-by: Gregory Greenman <[email protected]> Link: https://lore.kernel.org/r/20230830112059.5734e0f374bb.I6698eda8ed2112378dd47ac5d62866ebe7a94f77@changeid Signed-off-by: Johannes Berg <[email protected]>
2023-09-11wifi: iwlwifi: mvm: disconnect long CSA only w/o alternativeJohannes Berg1-1/+2
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: Johannes Berg <[email protected]> Signed-off-by: Gregory Greenman <[email protected]> Link: https://lore.kernel.org/r/20230830112059.dd1b96a37e51.Idafdcbfcb36ca4c486f4221aef77643869331514@changeid Signed-off-by: Johannes Berg <[email protected]>
2023-09-11wifi: iwlwifi: mvm: increase session protection after CSAJohannes Berg1-1/+1
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: Johannes Berg <[email protected]> Signed-off-by: Gregory Greenman <[email protected]> Link: https://lore.kernel.org/r/20230830112059.a74176bac37c.I029a2ebcd1b5012327c728ffa1d33fac19cfdf4b@changeid Signed-off-by: Johannes Berg <[email protected]>
2023-09-11wifi: iwlwifi: mvm: support CSA with MLDEmmanuel Grumbach2-3/+6
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: Emmanuel Grumbach <[email protected]> Signed-off-by: Gregory Greenman <[email protected]> Link: https://lore.kernel.org/r/20230830112059.19470584fa51.Iad38b5369bededaa126b3eb3cff79f23d61bd783@changeid Signed-off-by: Johannes Berg <[email protected]>
2023-09-11wifi: mac80211: add support for mld in ieee80211_chswitch_doneEmmanuel Grumbach7-12/+15
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: Emmanuel Grumbach <[email protected]> Signed-off-by: Gregory Greenman <[email protected]> Link: https://lore.kernel.org/r/20230828130311.3d3eacc88436.Ic2d14e2285aa1646216a56806cfd4a8d0054437c@changeid Signed-off-by: Johannes Berg <[email protected]>
2023-09-11iwlwifi: mvm: handle PS changes in vif_cfg_changedGregory Greenman1-58/+63
Handling of BSS_CHANGED_PS was missing in vif_cfg_changed callback. Fix it. Fixes: 22c588343529 ("wifi: iwlwifi: mvm: replace bss_info_changed() with vif_cfg/link_info_changed()") Reported-by: Sultan Alsawaf <[email protected]> Signed-off-by: Gregory Greenman <[email protected]> Link: https://lore.kernel.org/r/20230905162939.5ef0c8230de6.Ieed265014988c50ec68fbff6d33821e4215f987f@changeid [note: patch looks bigger than it is due to reindentation] Signed-off-by: Johannes Berg <[email protected]>
2023-09-11wifi: cfg80211: annotate iftype_data pointer with sparseJohannes Berg1-2/+2
There were are a number of cases in mac80211 and iwlwifi (at least) that used the sband->iftype_data pointer directly, instead of using the accessors to find the right array entry to use. Make sparse warn when such a thing is done. To not have a lot of casts, add two helper functions/macros - ieee80211_set_sband_iftype_data() - for_each_sband_iftype_data() Signed-off-by: Johannes Berg <[email protected]>
2023-08-25Merge tag 'wireless-next-2023-08-25' of ↵Jakub Kicinski16-183/+205
git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next Kalle Valo says: ==================== wireless-next patches for v6.6 The second pull request for v6.6, this time with both stack and driver changes. Unusually we have only one major new feature but lots of small cleanup all over, I guess this is due to people have been on vacation the last month. Major changes: rtw89 - Introduce Time Averaged SAR (TAS) support * tag 'wireless-next-2023-08-25' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next: (114 commits) wifi: rtlwifi: rtl8723: Remove unused function rtl8723_cmd_send_packet() wifi: rtw88: usb: kill and free rx urbs on probe failure wifi: rtw89: Fix clang -Wimplicit-fallthrough in rtw89_query_sar() wifi: rtw89: phy: modify register setting of ENV_MNTR, PHYSTS and DIG wifi: rtw89: phy: add phy_gen_def::cr_base to support WiFi 7 chips wifi: rtw89: mac: define register address of rx_filter to generalize code wifi: rtw89: mac: define internal memory address for WiFi 7 chip wifi: rtw89: mac: generalize code to indirectly access WiFi internal memory wifi: rtw89: mac: add mac_gen_def::band1_offset to map MAC band1 register address wifi: wlcore: sdio: Use module_sdio_driver macro to simplify the code wifi: rtw89: initialize multi-channel handling wifi: rtw89: provide functions to configure NoA for beacon update wifi: rtw89: call rtw89_chan_get() by vif chanctx if aware of vif wifi: rtw89: sar: let caller decide the center frequency to query wifi: rtw89: refine rtw89_correct_cck_chan() by rtw89_hw_to_nl80211_band() wifi: rtw89: add function prototype for coex request duration Fix nomenclature for USB and PCI wireless devices wifi: ath: Use is_multicast_ether_addr() to check multicast Ether address wifi: ath12k: Remove unused declarations wifi: ath12k: add check max message length while scanning with extraie ... ==================== Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2023-08-22wifi: iwlmei: don't send nic info with invalid mac addressAvraham Stern1-3/+7
In case the SAP connection is established before the interface is added, the mac address is still not set. Don't send the nic info SAP message in this case since it will result in sending an invalid mac address. The nic info message will be sent with a valid mac address when the interface is added. Signed-off-by: Avraham Stern <[email protected]> Signed-off-by: Gregory Greenman <[email protected]> Link: https://lore.kernel.org/r/20230822103048.a49436bed387.I0ca88d72456e6e9f939bbc2e0c52ffb173fbc97e@changeid Signed-off-by: Johannes Berg <[email protected]>
2023-08-22wifi: iwlmei: send driver down SAP message only if wiamt is enabledAvraham Stern1-1/+3
When wiamt is disabled the driver up SAP message is not sent, so there is no need to send the driver down message as well. Signed-off-by: Avraham Stern <[email protected]> Signed-off-by: Gregory Greenman <[email protected]> Link: https://lore.kernel.org/r/20230822103048.100f41b84656.I583d3e18ea65793f53aa710af13e47f8af82b53d@changeid Signed-off-by: Johannes Berg <[email protected]>
2023-08-22wifi: iwlmei: send HOST_GOES_DOWN message even if wiamt is disabledAvraham Stern1-23/+19
The HOST_GOES_DOWN message should be sent even if wiamt is disabled. Otherwise wiamt may still use the shared memory (e.g. if enabled later) while it's no longer valid. Signed-off-by: Avraham Stern <[email protected]> Signed-off-by: Gregory Greenman <[email protected]> Link: https://lore.kernel.org/r/20230822103048.2baad50eb1c3.If7b7c1dc2d6bfc6bacf7f6c72972f19714d9d973@changeid Signed-off-by: Johannes Berg <[email protected]>
2023-08-22wifi: iwlmei: don't send SAP messages if AMT is disabledAvraham Stern1-7/+7
SAP messages should not be sent when AMT is disabled. Signed-off-by: Avraham Stern <[email protected]> Signed-off-by: Gregory Greenman <[email protected]> Link: https://lore.kernel.org/r/20230822103048.db16b55c27c1.I48834c14f5af8d31792f5048b3023509cba191dd@changeid Signed-off-by: Johannes Berg <[email protected]>
2023-08-22wifi: iwlwifi: pcie: avoid a warning in case prepare card failedAvraham Stern1-10/+1
In case CSME holds the NIC and SAP connection is already established, iwl_pcie_prepare_card_hw() during iwl_pci_probe() will fail (which is fine since CSME will release the nic later when asked with a SAP message). In this case tring to grab nic access to read the crf ids will fail with a warning. Avoid the warning by only trying to read the crf ids in case prepare card succeeded. Signed-off-by: Avraham Stern <[email protected]> Signed-off-by: Gregory Greenman <[email protected]> Link: https://lore.kernel.org/r/20230822103048.9b026fa7b97e.I12bea7e6eef54eeeaf916b68d71583e92ff310fd@changeid Signed-off-by: Johannes Berg <[email protected]>
2023-08-22wifi: iwlwifi: remove memory check for LMAC error addressMukesh Sisodiya1-2/+1
LMAC error table address was checked against UMAC error table minimum address defined. Because of that, the LMAC error table was not read, since both addresses belong to different ranges. As addresses are updated from FW alive message and should be correct, this check is not needed. Still keep the check for address 0 to avoid NULL address read. Signed-off-by: Mukesh Sisodiya <[email protected]> Signed-off-by: Gregory Greenman <[email protected]> Link: https://lore.kernel.org/r/20230816104355.08ab1497904d.I270d4c5bcc23c5ecd0b7db475501032c450852ad@changeid Signed-off-by: Johannes Berg <[email protected]>
2023-08-22wifi: iwlwifi: mvm: support flush on AP interfacesJohannes Berg1-6/+0
Support TX flush on AP interfaces so that we will do a proper flush for frames on the queue before keys are removed. Signed-off-by: Johannes Berg <[email protected]> Signed-off-by: Gregory Greenman <[email protected]> Link: https://lore.kernel.org/r/20230816104355.f4b749b91ec2.Ia8381bd4f7d47592e74387c564739798a01c4049@changeid Signed-off-by: Johannes Berg <[email protected]>
2023-08-22wifi: iwlwifi: mvm: enable HE TX/RX <242 tone RU on new RFsJohannes Berg1-0/+2
Two new RFs were added in the code, but we forgot to add them to the list here that enables HE TX/RX 1024 QAM less than 242 tone RU. Signed-off-by: Johannes Berg <[email protected]> Signed-off-by: Gregory Greenman <[email protected]> Link: https://lore.kernel.org/r/20230816104355.ddb090c86c8c.Ic630aa579e3dc52069758d8698069480d555eefe@changeid Signed-off-by: Johannes Berg <[email protected]>
2023-08-22wifi: iwlwifi: add Razer to ppag approved listGregory Greenman1-0/+5
Add a new vendor (Razer) to PPAG approved list. Signed-off-by: Gregory Greenman <[email protected]> Link: https://lore.kernel.org/r/20230816104355.f586a86fa644.I97408afb20bd7c46fcff8c3561ead8ed9c60b37e@changeid Signed-off-by: Johannes Berg <[email protected]>
2023-08-22wifi: iwlwifi: pcie: point invalid TFDs to invalid dataJohannes Berg4-6/+71
There are occasionally bugs which cause the device to try to use a TFD that it wasn't supposed to, and these are very hard to diagnose. Fill all unused TFDs with a debug command that immediately causes an error to be detected in these cases. Signed-off-by: Johannes Berg <[email protected]> Signed-off-by: Gregory Greenman <[email protected]> Link: https://lore.kernel.org/r/20230816104355.10a9af1ca91f.Ifc790d62c52b4bc9a74c9581610af498509f5759@changeid Signed-off-by: Johannes Berg <[email protected]>
2023-08-22wifi: iwlwifi: queue: move iwl_txq_gen2_set_tb() upJohannes Berg1-36/+35
We need this earlier in the file next, move it up to have an easier to read change, since this moves other things in the diff git generates by default. Signed-off-by: Johannes Berg <[email protected]> Signed-off-by: Gregory Greenman <[email protected]> Link: https://lore.kernel.org/r/20230816104355.c6d798b600bb.I9b891ee3d3dc67822a28e44941409f5b7cb637cf@changeid Signed-off-by: Johannes Berg <[email protected]>
2023-08-22wifi: iwlwifi: pcie: move gen1 TB handling to headerJohannes Berg2-17/+16
We will need this in another place soon in reclaim and init, so add this function to the queue header file instead. Signed-off-by: Johannes Berg <[email protected]> Signed-off-by: Gregory Greenman <[email protected]> Link: https://lore.kernel.org/r/20230816104355.52b6f66de219.Ic8403fd098c187fac067977808c0129d96514c91@changeid Signed-off-by: Johannes Berg <[email protected]>
2023-08-22wifi: iwlwifi: remove 'def_rx_queue' struct memberJohannes Berg4-6/+4
This is only ever initialized to zero, use a new define for the default RX queue instead. Signed-off-by: Johannes Berg <[email protected]> Signed-off-by: Gregory Greenman <[email protected]> Link: https://lore.kernel.org/r/20230816104355.e0c6fa57c162.I907bbb428cf99725f06a348c8dbce5d3dd877136@changeid Signed-off-by: Johannes Berg <[email protected]>
2023-08-22wifi: iwlwifi: pcie: clean up gen1/gen2 TFD unmapJohannes Berg3-34/+16
This is a bit messy right now, there are functions for both, but then gen1 function can actually deal with both gen1 and gen2, due to the confusion about use_tfh/gen2 cleaned up in the previous patch. Fix the common paths to call the right functions and remove handling of gen2 from the gen1 function. Signed-off-by: Johannes Berg <[email protected]> Signed-off-by: Gregory Greenman <[email protected]> Link: https://lore.kernel.org/r/20230816104355.baf23841ec5c.I40702e94b25db05e82f935f14548316f8c6429b9@changeid Signed-off-by: Johannes Berg <[email protected]>
2023-08-22wifi: iwlwifi: remove WARN from read_mem32()Johannes Berg1-2/+2
There's no reason to warn here, it's not an internal consistency issue, we even use this to check if the device is dead, and if it read_mem() returns an error that's either because grab NIC access or memory allocation failed, both of which are already noisy. Just remove the warning entirely. Signed-off-by: Johannes Berg <[email protected]> Signed-off-by: Gregory Greenman <[email protected]> Link: https://lore.kernel.org/r/20230816104355.5f4e80eb63cc.Iffd88f63f95575f28e503da13b473724e3341aee@changeid Signed-off-by: Johannes Berg <[email protected]>
2023-08-22wifi: iwlwifi: api: fix a small upper/lower-case typoJohannes Berg1-2/+2
The structure name in the docs should be given in all lower case matching the actual C declaration. Signed-off-by: Johannes Berg <[email protected]> Signed-off-by: Gregory Greenman <[email protected]> Link: https://lore.kernel.org/r/20230816104355.c06f98055dbb.Ie9267108c57edcbb913f0d0f349eac85ca39409b@changeid Signed-off-by: Johannes Berg <[email protected]>
2023-08-22wifi: iwlwifi: mvm: advertise MLO only if EHT is enabledJohannes Berg1-2/+3
If 11ax/EHT is disabled, then we shouldn't advertise MLO support either. Signed-off-by: Johannes Berg <[email protected]> Signed-off-by: Gregory Greenman <[email protected]> Link: https://lore.kernel.org/r/20230816104355.ae4f9151440e.I6ce0b98d063d5005fd7a613454fcdb8b866a417a@changeid Signed-off-by: Johannes Berg <[email protected]>
2023-08-21wifi: ipw2x00: refactor to use kstrtoulJustin Stitt1-27/+12
The current implementation seems to reinvent what `kstrtoul` already does in terms of functionality and error handling. Remove uses of `simple_strtoul()` in favor of `kstrtoul()`. There is the following note at `lib/vsprintf.c:simple_strtoull()` which further backs this change: | * This function has caveats. Please use kstrtoull (or kstrtoul) instead. And here, simple_str* are explicitly deprecated [3]. This patch also removes an instance of the deprecated `strncpy` which helps [2]. Compile tested only. Link: https://lore.kernel.org/all/202308011602.3CC1C0244C@keescook/ [1] Link: https://github.com/KSPP/linux/issues/90 [2] Link: https://docs.kernel.org/process/deprecated.html#simple-strtol-simple-strtoll-simple-strtoul-simple-strtoull [3] Cc: [email protected] Suggested-by: Kees Cook <[email protected]> Signed-off-by: Justin Stitt <[email protected]> Reviewed-by: Kees Cook <[email protected]> Signed-off-by: Kalle Valo <[email protected]> Link: https://lore.kernel.org/r/[email protected]
2023-08-15wifi: iwlwifi: mvm: add dependency for PTP clockRandy Dunlap1-0/+1
When the code to use the PTP HW clock was added, it didn't update the Kconfig entry for the PTP dependency, leading to build errors, so update the Kconfig entry to depend on PTP_1588_CLOCK_OPTIONAL. aarch64-linux-ld: drivers/net/wireless/intel/iwlwifi/mvm/ptp.o: in function `iwl_mvm_ptp_init': drivers/net/wireless/intel/iwlwifi/mvm/ptp.c:294: undefined reference to `ptp_clock_register' drivers/net/wireless/intel/iwlwifi/mvm/ptp.c:294:(.text+0xce8): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `ptp_clock_register' aarch64-linux-ld: drivers/net/wireless/intel/iwlwifi/mvm/ptp.c:301: undefined reference to `ptp_clock_index' drivers/net/wireless/intel/iwlwifi/mvm/ptp.c:301:(.text+0xd18): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `ptp_clock_index' aarch64-linux-ld: drivers/net/wireless/intel/iwlwifi/mvm/ptp.o: in function `iwl_mvm_ptp_remove': drivers/net/wireless/intel/iwlwifi/mvm/ptp.c:315: undefined reference to `ptp_clock_index' drivers/net/wireless/intel/iwlwifi/mvm/ptp.c:315:(.text+0xe80): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `ptp_clock_index' aarch64-linux-ld: drivers/net/wireless/intel/iwlwifi/mvm/ptp.c:319: undefined reference to `ptp_clock_unregister' drivers/net/wireless/intel/iwlwifi/mvm/ptp.c:319:(.text+0xeac): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `ptp_clock_unregister' Fixes: 1595ecce1cf3 ("wifi: iwlwifi: mvm: add support for PTP HW clock (PHC)") Signed-off-by: Randy Dunlap <[email protected]> Reported-by: kernel test robot <[email protected]> Link: https://lore.kernel.org/all/[email protected]/ Cc: Krishnanand Prabhu <[email protected]> Cc: Luca Coelho <[email protected]> Cc: Gregory Greenman <[email protected]> Cc: Johannes Berg <[email protected]> Cc: Kalle Valo <[email protected]> Cc: [email protected] Cc: "David S. Miller" <[email protected]> Cc: Eric Dumazet <[email protected]> Cc: Jakub Kicinski <[email protected]> Cc: Paolo Abeni <[email protected]> Cc: [email protected] Reviewed-by: Simon Horman <[email protected]> Tested-by: Simon Horman <[email protected]> # build-tested Acked-by: Richard Cochran <[email protected]> Acked-by: Gregory Greenman <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Johannes Berg <[email protected]>
2023-07-11wifi: iwlwifi: remove 'use_tfh' config to fix crashJohannes Berg9-25/+18
This is equivalent to 'gen2', and it was always confusing to have two identical config entries. The split config patch actually had been originally developed after removing 'use_tfh" and didn't add the use_tfh in the new configs as they'd later been copied to the new files. Thus the easiest way to fix the init crash here now is to just remove use_tfh (which is erroneously unset in most of the configs now) and use 'gen2' in the code instead. There's possibly still an unwind error in iwl_txq_gen2_init() as it crashes if TXQ 0 fails to initialize, but we can deal with it later since the original failure is due to the use_tfh confusion. Tested-by: Xi Ruoyao <[email protected]> Reported-and-tested-by: Niklāvs Koļesņikovs <[email protected]> Reported-and-tested-by: Jeff Chua <[email protected]> Reported-and-tested-by: Zhang Rui <[email protected]> Link: https://bugzilla.kernel.org/show_bug.cgi?id=217622 Link: https://lore.kernel.org/all/[email protected]/ Link: https://lore.kernel.org/all/CAAJw_Zug6VCS5ZqTWaFSr9sd85k%3DtyPm9DEE%2BmV%3DAKoECZM%[email protected]/ Fixes: 19898ce9cf8a ("wifi: iwlwifi: split 22000.c into multiple files") Signed-off-by: Johannes Berg <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2023-06-28Merge tag 'net-next-6.5' of ↵Linus Torvalds97-2740/+3917
git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next Pull networking changes from Jakub Kicinski: "WiFi 7 and sendpage changes are the biggest pieces of work for this release. The latter will definitely require fixes but I think that we got it to a reasonable point. Core: - Rework the sendpage & splice implementations Instead of feeding data into sockets page by page extend sendmsg handlers to support taking a reference on the data, controlled by a new flag called MSG_SPLICE_PAGES Rework the handling of unexpected-end-of-file to invoke an additional callback instead of trying to predict what the right combination of MORE/NOTLAST flags is Remove the MSG_SENDPAGE_NOTLAST flag completely - Implement SCM_PIDFD, a new type of CMSG type analogous to SCM_CREDENTIALS, but it contains pidfd instead of plain pid - Enable socket busy polling with CONFIG_RT - Improve reliability and efficiency of reporting for ref_tracker - Auto-generate a user space C library for various Netlink families Protocols: - Allow TCP to shrink the advertised window when necessary, prevent sk_rcvbuf auto-tuning from growing the window all the way up to tcp_rmem[2] - Use per-VMA locking for "page-flipping" TCP receive zerocopy - Prepare TCP for device-to-device data transfers, by making sure that payloads are always attached to skbs as page frags - Make the backoff time for the first N TCP SYN retransmissions linear. Exponential backoff is unnecessarily conservative - Create a new MPTCP getsockopt to retrieve all info (MPTCP_FULL_INFO) - Avoid waking up applications using TLS sockets until we have a full record - Allow using kernel memory for protocol ioctl callbacks, paving the way to issuing ioctls over io_uring - Add nolocalbypass option to VxLAN, forcing packets to be fully encapsulated even if they are destined for a local IP address - Make TCPv4 use consistent hash in TIME_WAIT and SYN_RECV. Ensure in-kernel ECMP implementation (e.g. Open vSwitch) select the same link for all packets. Support L4 symmetric hashing in Open vSwitch - PPPoE: make number of hash bits configurable - Allow DNS to be overwritten by DHCPACK in the in-kernel DHCP client (ipconfig) - Add layer 2 miss indication and filtering, allowing higher layers (e.g. ACL filters) to make forwarding decisions based on whether packet matched forwarding state in lower devices (bridge) - Support matching on Connectivity Fault Management (CFM) packets - Hide the "link becomes ready" IPv6 messages by demoting their printk level to debug - HSR: don't enable promiscuous mode if device offloads the proto - Support active scanning in IEEE 802.15.4 - Continue work on Multi-Link Operation for WiFi 7 BPF: - Add precision propagation for subprogs and callbacks. This allows maintaining verification efficiency when subprograms are used, or in fact passing the verifier at all for complex programs, especially those using open-coded iterators - Improve BPF's {g,s}setsockopt() length handling. Previously BPF assumed the length is always equal to the amount of written data. But some protos allow passing a NULL buffer to discover what the output buffer *should* be, without writing anything - Accept dynptr memory as memory arguments passed to helpers - Add routing table ID to bpf_fib_lookup BPF helper - Support O_PATH FDs in BPF_OBJ_PIN and BPF_OBJ_GET commands - Drop bpf_capable() check in BPF_MAP_FREEZE command (used to mark maps as read-only) - Show target_{obj,btf}_id in tracing link fdinfo - Addition of several new kfuncs (most of the names are self-explanatory): - Add a set of new dynptr kfuncs: bpf_dynptr_adjust(), bpf_dynptr_is_null(), bpf_dynptr_is_rdonly(), bpf_dynptr_size() and bpf_dynptr_clone(). - bpf_task_under_cgroup() - bpf_sock_destroy() - force closing sockets - bpf_cpumask_first_and(), rework bpf_cpumask_any*() kfuncs Netfilter: - Relax set/map validation checks in nf_tables. Allow checking presence of an entry in a map without using the value - Increase ip_vs_conn_tab_bits range for 64BIT builds - Allow updating size of a set - Improve NAT tuple selection when connection is closing Driver API: - Integrate netdev with LED subsystem, to allow configuring HW "offloaded" blinking of LEDs based on link state and activity (i.e. packets coming in and out) - Support configuring rate selection pins of SFP modules - Factor Clause 73 auto-negotiation code out of the drivers, provide common helper routines - Add more fool-proof helpers for managing lifetime of MDIO devices associated with the PCS layer - Allow drivers to report advanced statistics related to Time Aware scheduler offload (taprio) - Allow opting out of VF statistics in link dump, to allow more VFs to fit into the message - Split devlink instance and devlink port operations New hardware / drivers: - Ethernet: - Synopsys EMAC4 IP support (stmmac) - Marvell 88E6361 8 port (5x1GE + 3x2.5GE) switches - Marvell 88E6250 7 port switches - Microchip LAN8650/1 Rev.B0 PHYs - MediaTek MT7981/MT7988 built-in 1GE PHY driver - WiFi: - Realtek RTL8192FU, 2.4 GHz, b/g/n mode, 2T2R, 300 Mbps - Realtek RTL8723DS (SDIO variant) - Realtek RTL8851BE - CAN: - Fintek F81604 Drivers: - Ethernet NICs: - Intel (100G, ice): - support dynamic interrupt allocation - use meta data match instead of VF MAC addr on slow-path - nVidia/Mellanox: - extend link aggregation to handle 4, rather than just 2 ports - spawn sub-functions without any features by default - OcteonTX2: - support HTB (Tx scheduling/QoS) offload - make RSS hash generation configurable - support selecting Rx queue using TC filters - Wangxun (ngbe/txgbe): - add basic Tx/Rx packet offloads - add phylink support (SFP/PCS control) - Freescale/NXP (enetc): - report TAPRIO packet statistics - Solarflare/AMD: - support matching on IP ToS and UDP source port of outer header - VxLAN and GENEVE tunnel encapsulation over IPv4 or IPv6 - add devlink dev info support for EF10 - Virtual NICs: - Microsoft vNIC: - size the Rx indirection table based on requested configuration - support VLAN tagging - Amazon vNIC: - try to reuse Rx buffers if not fully consumed, useful for ARM servers running with 16kB pages - Google vNIC: - support TCP segmentation of >64kB frames - Ethernet embedded switches: - Marvell (mv88e6xxx): - enable USXGMII (88E6191X) - Microchip: - lan966x: add support for Egress Stage 0 ACL engine - lan966x: support mapping packet priority to internal switch priority (based on PCP or DSCP) - Ethernet PHYs: - Broadcom PHYs: - support for Wake-on-LAN for BCM54210E/B50212E - report LPI counter - Microsemi PHYs: support RGMII delay configuration (VSC85xx) - Micrel PHYs: receive timestamp in the frame (LAN8841) - Realtek PHYs: support optional external PHY clock - Altera TSE PCS: merge the driver into Lynx PCS which it is a variant of - CAN: Kvaser PCIEcan: - support packet timestamping - WiFi: - Intel (iwlwifi): - major update for new firmware and Multi-Link Operation (MLO) - configuration rework to drop test devices and split the different families - support for segmented PNVM images and power tables - new vendor entries for PPAG (platform antenna gain) feature - Qualcomm 802.11ax (ath11k): - Multiple Basic Service Set Identifier (MBSSID) and Enhanced MBSSID Advertisement (EMA) support in AP mode - support factory test mode - RealTek (rtw89): - add RSSI based antenna diversity - support U-NII-4 channels on 5 GHz band - RealTek (rtl8xxxu): - AP mode support for 8188f - support USB RX aggregation for the newer chips" * tag 'net-next-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1602 commits) net: scm: introduce and use scm_recv_unix helper af_unix: Skip SCM_PIDFD if scm->pid is NULL. net: lan743x: Simplify comparison netlink: Add __sock_i_ino() for __netlink_diag_dump(). net: dsa: avoid suspicious RCU usage for synced VLAN-aware MAC addresses Revert "af_unix: Call scm_recv() only after scm_set_cred()." phylink: ReST-ify the phylink_pcs_neg_mode() kdoc libceph: Partially revert changes to support MSG_SPLICE_PAGES net: phy: mscc: fix packet loss due to RGMII delays net: mana: use vmalloc_array and vcalloc net: enetc: use vmalloc_array and vcalloc ionic: use vmalloc_array and vcalloc pds_core: use vmalloc_array and vcalloc gve: use vmalloc_array and vcalloc octeon_ep: use vmalloc_array and vcalloc net: usb: qmi_wwan: add u-blox 0x1312 composition perf trace: fix MSG_SPLICE_PAGES build error ipvlan: Fix return value of ipvlan_queue_xmit() netfilter: nf_tables: fix underflow in chain reference counter netfilter: nf_tables: unbind non-anonymous set if rule construction fails ...
2023-06-27Merge tag 'wq-for-6.5-cleanup-ordered' of ↵Linus Torvalds1-1/+1
git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq Pull ordered workqueue creation updates from Tejun Heo: "For historical reasons, unbound workqueues with max concurrency limit of 1 are considered ordered, even though the concurrency limit hasn't been system-wide for a long time. This creates ambiguity around whether ordered execution is actually required for correctness, which was actually confusing for e.g. btrfs (btrfs updates are being routed through the btrfs tree). There aren't that many users in the tree which use the combination and there are pending improvements to unbound workqueue affinity handling which will make inadvertent use of ordered workqueue a bigger loss. This clarifies the situation for most of them by updating the ones which require ordered execution to use alloc_ordered_workqueue(). There are some conversions being routed through subsystem-specific trees and likely a few stragglers. Once they're all converted, workqueue can trigger a warning on unbound + @max_active==1 usages and eventually drop the implicit ordered behavior" * tag 'wq-for-6.5-cleanup-ordered' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq: rxrpc: Use alloc_ordered_workqueue() to create ordered workqueues net: qrtr: Use alloc_ordered_workqueue() to create ordered workqueues net: wwan: t7xx: Use alloc_ordered_workqueue() to create ordered workqueues dm integrity: Use alloc_ordered_workqueue() to create ordered workqueues media: amphion: Use alloc_ordered_workqueue() to create ordered workqueues scsi: NCR5380: Use default @max_active for hostdata->work_q media: coda: Use alloc_ordered_workqueue() to create ordered workqueues crypto: octeontx2: Use alloc_ordered_workqueue() to create ordered workqueues wifi: ath10/11/12k: Use alloc_ordered_workqueue() to create ordered workqueues wifi: mwifiex: Use default @max_active for workqueues wifi: iwlwifi: Use default @max_active for trans_pcie->rba.alloc_wq xen/pvcalls: Use alloc_ordered_workqueue() to create ordered workqueues virt: acrn: Use alloc_ordered_workqueue() to create ordered workqueues net: octeontx2: Use alloc_ordered_workqueue() to create ordered workqueues net: thunderx: Use alloc_ordered_workqueue() to create ordered workqueues greybus: Use alloc_ordered_workqueue() to create ordered workqueues powerpc, workqueue: Use alloc_ordered_workqueue() to create ordered workqueues
2023-06-22Merge tag 'wireless-next-2023-06-22' of ↵Jakub Kicinski78-2191/+2698
git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next Johannes Berg says: ==================== Notable changes this time around: MAINTAINERS - add missing driver git trees ath11k - factory test mode support iwlwifi - config rework to drop test devices and split the different families - major update for new firmware and MLO stack - initial multi-link reconfiguration suppor - multi-BSSID and MLO improvements other - fix the last few W=1 warnings from GCC 13 - merged wireless tree to avoid conflicts * tag 'wireless-next-2023-06-22' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next: (245 commits) wifi: ieee80211: fix erroneous NSTR bitmap size checks wifi: rtlwifi: cleanup USB interface wifi: rtlwifi: simplify LED management wifi: ath10k: improve structure padding wifi: ath9k: convert msecs to jiffies where needed wifi: iwlwifi: mvm: Add support for IGTK in D3 resume flow wifi: iwlwifi: mvm: update two most recent GTKs on D3 resume flow wifi: iwlwifi: mvm: Refactor security key update after D3 wifi: mac80211: mark keys as uploaded when added by the driver wifi: iwlwifi: remove support of A0 version of FM RF wifi: iwlwifi: cfg: clean up Bz module firmware lines wifi: iwlwifi: pcie: add device id 51F1 for killer 1675 wifi: iwlwifi: bump FW API to 83 for AX/BZ/SC devices wifi: iwlwifi: cfg: remove trailing dash from FW_PRE constants wifi: iwlwifi: also unify Ma device configurations wifi: iwlwifi: also unify Sc device configurations wifi: iwlwifi: unify Bz/Gl device configurations wifi: iwlwifi: pcie: also drop jacket from info macro wifi: iwlwifi: remove support for *nJ devices wifi: iwlwifi: don't load old firmware for 22000 ... ==================== Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2023-06-22Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netJakub Kicinski1-0/+2
Cross-merge networking fixes after downstream PR. Conflicts: tools/testing/selftests/net/fcnal-test.sh d7a2fc1437f7 ("selftests: net: fcnal-test: check if FIPS mode is enabled") dd017c72dde6 ("selftests: fcnal: Test SO_DONTROUTE on TCP sockets.") https://lore.kernel.org/all/[email protected]/ https://lore.kernel.org/all/[email protected]/ No adjacent changes. Signed-off-by: Jakub Kicinski <[email protected]>
2023-06-21wifi: iwlwifi: mvm: Add support for IGTK in D3 resume flowYedidya Benshimol2-25/+147
As part of the new security API in the FW, all security keys are to be removed before station removal. Until now IGTK rekey wasn't supported in the D3 resume flow, and thus the driver might not know the right key to remove. If an IGTK was rekeyed during D3 the old IGTK is removed and the new key is updated. If not, the old key's IPN is updated. As opposed to GTK, which both the FW and the driver hold it's two most recent keys, only one IGTK is held. Signed-off-by: Yedidya Benshimol <[email protected]> Signed-off-by: Gregory Greenman <[email protected]> Link: https://lore.kernel.org/r/20230621144844.b53c301c07e6.I375277a10a1f756b93d4a343f6664351a80189c5@changeid Signed-off-by: Johannes Berg <[email protected]>
2023-06-21wifi: iwlwifi: mvm: update two most recent GTKs on D3 resume flowYedidya Benshimol1-81/+115
When resuming from D3 the two most recent GTKs are passed from the FW with wowlan_info_notif. Both keys should be updated as they both might be needed upon FW restart and they both should be removed upon station removal. Signed-off-by: Yedidya Benshimol <[email protected]> Signed-off-by: Gregory Greenman <[email protected]> Link: https://lore.kernel.org/r/20230621144844.3ea3a9f52ec2.I7cedfa2bb0eafb83e7c77363673560acf05bff74@changeid Signed-off-by: Johannes Berg <[email protected]>
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