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2022-09-06wifi: mac80211: implement link switchingJohannes Berg1-0/+41
Implement an API function and debugfs file to switch active links. Also provide an async version of the API so drivers can call it in arbitrary contexts, e.g. while in the authorized callback. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2022-09-06wifi: mac80211: keep A-MSDU data in sta and per-linkBenjamin Berg1-20/+48
The A-MSDU data needs to be stored per-link and aggregated into a single value for the station. Add a new struct ieee_80211_sta_aggregates in order to store this data and a new function ieee80211_sta_recalc_aggregates to update the current data for the STA. Note that in the non MLO case the pointer in ieee80211_sta will directly reference the data in deflink.agg, which means that recalculation may be skipped in that case. Signed-off-by: Benjamin Berg <benjamin.berg@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2022-09-06wifi: mac80211: add vif/sta link RCU dereference macrosJohannes Berg1-3/+28
Add macros (and an exported function) to allow checking some link RCU protected accesses that are happening in callbacks from mac80211 and are thus under the correct lock. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2022-09-06wifi: mac80211: extend ieee80211_nullfunc_get() for MLOJohannes Berg1-1/+4
Add a link_id parameter to ieee80211_nullfunc_get() to be able to obtain a correctly addressed frame. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2022-09-06wifi: mac80211: add ieee80211_find_sta_by_link_addrs APIJohannes Berg1-0/+16
Add a new API function ieee80211_find_sta_by_link_addrs() that looks up the STA and link ID based on interface and station link addresses. We're going to use it for mac80211-hwsim to track on the AP side which links are active. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2022-09-06wifi: mac80211: isolate driver from inactive linksJohannes Berg1-14/+16
In order to let the driver select active links and properly make multi-link connections, as a first step isolate the driver from inactive links, and set the active links to be only the association link for client-side interfaces. For AP side nothing changes since APs always have to have all their links active. To simplify things, update the for_each_sta_active_link() API to include the appropriate vif pointer. This also implies not allocating a chanctx for an inactive link, which requires a few more changes. Since we now no longer try to program multiple links to the driver, remove the check in the MLME code. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2022-09-06wifi: mac80211: make smps_mode per-linkBenjamin Berg1-2/+2
The SMPS power save mode needs to be per-link rather than being shared for all links. As such, move it into struct ieee80211_link_sta. Signed-off-by: Benjamin Berg <benjamin.berg@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2022-08-25wifi: mac80211: maintain link_id in link_staJohannes Berg1-0/+2
To helper drivers if they e.g. have a lookup of the link_sta pointer, add the link ID to the link_sta structure. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2022-08-25wifi: mac80211: add link information in ieee80211_rx_statusVasanthakumar Thiagarajan1-0/+5
In MLO, when the address translation from link to MLD is done in fw/hw, it is necessary to be able to have some information on the link on which the frame has been received. Extend the rx API to include link_id and a valid flag in ieee80211_rx_status. Also make chanes to mac80211 rx APIs to make use of the reported link_id after sanity checks. Signed-off-by: Vasanthakumar Thiagarajan <quic_vthiagar@quicinc.com> Link: https://lore.kernel.org/r/20220817104213.2531-2-quic_vthiagar@quicinc.com Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2022-08-25wifi: mac80211: properly implement MLO key handlingJohannes Berg1-0/+2
Implement key installation and lookup (on TX and RX) for MLO, so we can use multiple GTKs/IGTKs/BIGTKs. Co-authored-by: Ilan Peer <ilan.peer@intel.com> Signed-off-by: Ilan Peer <ilan.peer@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2022-07-22wifi: mac80211: add macros to loop over active linksGregory Greenman1-0/+15
Add a preliminary version which will be updated later to loop over vif's and sta's active links. Signed-off-by: Gregory Greenman <gregory.greenman@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2022-07-22wifi: mac80211: optionally implement MLO multicast TXJohannes Berg1-0/+10
For drivers using software encryption for multicast TX, such as mac80211_hwsim, mac80211 needs to duplicate the multicast frames on each link, if MLO is enabled. Do this, but don't just make it dependent on the key but provide a separate flag for drivers to opt out of this. This is not very efficient, I expect that drivers will do it in firmware/hardware or at least with DMA engine assistence, so this is mostly for hwsim. To make this work, also implement the SNS11 sequence number space that an AP MLD shall have, and modify the API to the __ieee80211_subif_start_xmit() function to always require the link ID bits to be set. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2022-07-22wifi: mac80211: expand ieee80211_mgmt_tx() for MLOJohannes Berg1-1/+3
There are a couple of new things that should be possible with MLO: * selecting the link to transmit to a station by link ID, which a previous patch added to the nl80211 API * selecting the link by frequency, similarly * allowing transmittion to an MLD without specifying any channel or link ID, with MLD addresses Enable these use cases. Also fix the address comparison in client mode to use the AP (MLD) address. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2022-07-22wifi: mac80211: add hardware timestamps for RX and TXAvraham Stern1-1/+27
When the low level driver reports hardware timestamps for frame TX status or frame RX, pass the timestamps to cfg80211. Signed-off-by: Avraham Stern <avraham.stern@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2022-07-15wifi: mac80211: select link when transmitting to non-MLO stationsAndrei Otcheretianski1-0/+2
When an MLO AP is transmitting to a non-MLO station, addr2 should be set to a link address. This should be done before the frame is encrypted as otherwise aad verification would fail. In case of software encryption this can't be left for the device to handle, and should be done by mac80211 when building the frame hdr. Signed-off-by: Andrei Otcheretianski <andrei.otcheretianski@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2022-07-15wifi: mac80211: remove link_id parameter from link_info_changed()Gregory Greenman1-1/+0
Since struct ieee80211_bss_conf already contains link_id, passing link_id is not necessary. Signed-off-by: Gregory Greenman <gregory.greenman@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2022-07-15wifi: mac80211: replace link_id with link_conf in switch/(un)assign_vif_chanctx()Gregory Greenman1-4/+4
Since mac80211 already has a protected pointer to link_conf, pass it to the driver to avoid additional RCU locking. Signed-off-by: Gregory Greenman <gregory.greenman@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2022-07-15wifi: mac80211: replace link_id with link_conf in start/stop_ap()Gregory Greenman1-2/+2
When calling start/stop_ap(), mac80211 already has a protected link_conf pointer. Pass it to the driver, so it shouldn't handle RCU protection. Signed-off-by: Gregory Greenman <gregory.greenman@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2022-07-15wifi: mac80211: mlme: track AP (MLD) address separatelyJohannes Berg1-0/+3
To prepare a bit more for MLO in the client code, track the AP's address (for now only the BSSID, but will track the AP MLD's address later) separately from the per-link BSSID. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2022-07-15wifi: mac80211: change QoS settings API to take link into accountJohannes Berg1-1/+2
Take the link into account in the QoS settings (EDCA parameters) APIs. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2022-07-15wifi: mac80211: move ps setting to vif configJohannes Berg1-3/+3
This really shouldn't be in a per-link config, we don't want to let anyone control it that way (if anything, link powersave could be forced through APIs to activate/deactivate a link), and we don't support powersave in software with devices that can do MLO. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2022-07-15wifi: mac80211: provide link ID in link_confJohannes Berg1-0/+2
It might be useful to drivers to be able to pass only the link_conf pointer, rather than both the pointer and the link_id; add the link_id to the link_conf to facility that. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2022-07-15wifi: mac80211: RCU-ify link/link_conf pointersJohannes Berg1-2/+4
Since links can be added and removed dynamically, we need to somehow protect the sdata->link[] and vif->link_conf[] array pointers from disappearing when accessing them without locks. RCU-ify the pointers to achieve this, which requires quite a bit of rework. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2022-07-14Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netJakub Kicinski1-1/+2
include/net/sock.h 310731e2f161 ("net: Fix data-races around sysctl_mem.") e70f3c701276 ("Revert "net: set SK_MEM_QUANTUM to 4096"") https://lore.kernel.org/all/20220711120211.7c8b7cba@canb.auug.org.au/ net/ipv4/fib_semantics.c 747c14307214 ("ip: fix dflt addr selection for connected nexthop") d62607c3fe45 ("net: rename reference+tracking helpers") net/tls/tls.h include/net/tls.h 3d8c51b25a23 ("net/tls: Check for errors in tls_device_init") 587903142308 ("tls: create an internal header") Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-01wifi: mac80211: switch airtime fairness back to deficit round-robin schedulingFelix Fietkau1-3/+14
This reverts commits 6a789ba679d652587532cec2a0e0274fda172f3b and 2433647bc8d983a543e7d31b41ca2de1c7e2c198. The virtual time scheduler code has a number of issues: - queues slowed down by hardware/firmware powersave handling were not properly handled. - on ath10k in push-pull mode, tx queues that the driver tries to pull from were starved, causing excessive latency - delay between tx enqueue and reported airtime use were causing excessively bursty tx behavior The bursty behavior may also be present on the round-robin scheduler, but there it is much easier to fix without introducing additional regressions Signed-off-by: Felix Fietkau <nbd@nbd.name> Acked-by: Toke Høiland-Jørgensen <toke@toke.dk> Link: https://lore.kernel.org/r/20220625212411.36675-1-nbd@nbd.name Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2022-07-01wifi: mac80211: fix a kernel-doc complaintJohannes Berg1-1/+1
Somehow kernel-doc complains here about strong markup, but we really don't need the [] so just remove that. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2022-07-01wifi: mac80211: add a missing comma at kernel-doc markupMauro Carvalho Chehab1-1/+1
The lack of the colon makes it not parse the function parameter: include/net/mac80211.h:6250: warning: Function parameter or member 'vif' not described in 'ieee80211_channel_switch_disconnect' Fix it. Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org> Link: https://lore.kernel.org/r/11c1bdb861d89c93058fcfe312749b482851cbdb.1656409369.git.mchehab@kernel.org Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2022-06-29wifi: mac80211: add gfp_t parameter to ieeee80211_obss_color_collision_notifyLorenzo Bianconi1-1/+2
Introduce the capability to specify gfp_t parameter to ieeee80211_obss_color_collision_notify routine since it runs in interrupt context in ieee80211_rx_check_bss_color_collision(). Fixes: 6d945a33f2b0a ("mac80211: introduce BSS color collision detection") Co-developed-by: Ryder Lee <ryder.lee@mediatek.com> Signed-off-by: Ryder Lee <ryder.lee@mediatek.com> Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Link: https://lore.kernel.org/r/02c990fb3fbd929c8548a656477d20d6c0427a13.1655419135.git.lorenzo@kernel.org Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2022-06-20wifi: mac80211: RCU-ify link STA pointersJohannes Berg1-1/+1
We need to be able to access these in a race-free way under traffic while adding/removing them, so RCU-ify the pointers. This requires passing a link_sta to a lot of functions so we don't have to do the RCU handling everywhere. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2022-06-20wifi: mac80211: return a beacon for a specific linkShaul Triebitz1-4/+10
Pass the link id through to the get_beacon and return the beacon for a specific link id. Signed-off-by: Shaul Triebitz <shaul.triebitz@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2022-06-20wifi: mac80211: pass the link id in start/stop apShaul Triebitz1-2/+4
In start_ap and stop_ap mac80211 callbacks pass the link_id to the drivers. Signed-off-by: Shaul Triebitz <shaul.triebitz@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2022-06-20wifi: mac80211: add sta link addition/removalJohannes Berg1-2/+11
Add the necessary infrastructure, including a new driver method, to add/remove links to/from a station. To do this, refactor the link alloc/free a bit, splitting that so we can do it without linking them, to handle failures better. Note that a station entry must be created representing an MLD or a non-MLD STA, it cannot change between the two. When representing an MLD, the 'deflink' is used for the first link, which might be removed later, in which case the memory isn't reused. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2022-06-20wifi: mac80211: add MLO link ID to TX frame metadataJohannes Berg1-0/+7
Take a few bits out of the control.flags to add the link ID to TX frame metadata, so drivers don't need to look it up by the address themselves. Implement that lookup where it's needed, for internal frame TX, and set it to "unspecified" for data transmissions. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2022-06-20wifi: mac80211: remove band from TX info in MLOJohannes Berg1-1/+3
If the interface is an MLD, then we don't know which band the frame will be transmitted on, and we don't know how to look up the band. Set the band information to zero in that case, the driver cannot rely on it anyway. No longer inline ieee80211_tx_skb_tid() since it's even bigger now. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2022-06-20wifi: mac80211: add vif link addition/removalJohannes Berg1-0/+15
Add the necessary infrastructure, including a new driver method, to add/remove links to/from an interface. Also add the missing link address to bss_conf (which we use as link_conf too), and fill it, in station mode for now just randomly, in AP mode we get the address from cfg80211 since the link must be created with an address first. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2022-06-20wifi: mac80211: make some SMPS code MLD-awareJohannes Berg1-1/+2
Start making some SMPS related code MLD-aware. This isn't really done yet, but again cuts down our 'deflink' reliance. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2022-06-20wifi: mac80211: add link_id to vht.c code for MLOJohannes Berg1-1/+2
Update the code in vht.c and add the link_id parameter where necessary. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2022-06-20wifi: mac80211: use IEEE80211_MLD_MAX_NUM_LINKSJohannes Berg1-3/+1
Remove MAX_STA_LINKS and use IEEE80211_MLD_MAX_NUM_LINKS instead to unify between the station and other data structures. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2022-06-20wifi: mac80211: make channel context code MLO-awareJohannes Berg1-0/+4
Make the channel context code MLO aware, along with some functions that it uses, so that the chan.c file is now MLD-clean and no longer uses deflink/bss_conf/etc. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2022-06-20wifi: mac80211: add per-link configuration pointerJohannes Berg1-0/+3
Add pointers so we can start using link_id throughout the code, even if for now only link ID 0 is valid, pointing to the "built-in" bss_conf, which is used by drivers that are not aware of MLD. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2022-06-20wifi: mac80211: split bss_info_changed methodJohannes Berg1-3/+25
Split the bss_info_changed method to vif_cfg_changed and link_info_changed, with the latter getting a link ID. Also change the 'changed' parameter to u64 already, we know we need that. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2022-06-20wifi: mac80211: move interface config to new structJohannes Berg1-28/+38
We'll use bss_conf for per-link configuration later, so move out all the non-link-specific data out into a new struct ieee80211_vif_cfg used in the vif. Some adjustments were done with the following spatch: @@ expression sdata; struct ieee80211_vif *vifp; identifier var = { assoc, ibss_joined, aid, arp_addr_list, arp_addr_cnt, ssid, ssid_len, s1g, ibss_creator }; @@ ( -sdata->vif.bss_conf.var +sdata->vif.cfg.var | -vifp->bss_conf.var +vifp->cfg.var ) @bss_conf@ struct ieee80211_bss_conf *bss_conf; identifier var = { assoc, ibss_joined, aid, arp_addr_list, arp_addr_cnt, ssid, ssid_len, s1g, ibss_creator }; @@ -bss_conf->var +vif_cfg->var (though more manual fixups were needed, e.g. replacing "vif_cfg->" by "vif->cfg." in many files.) Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2022-06-20wifi: mac80211: move some future per-link data to bss_confJohannes Berg1-20/+20
To add MLD, reuse the bss_conf structure later for per-link information, so move some things into it that are per link. Most transformations were done with the following spatch: @@ expression sdata; identifier var = { chanctx_conf, mu_mimo_owner, csa_active, color_change_active, color_change_color }; @@ -sdata->vif.var +sdata->vif.bss_conf.var @@ struct ieee80211_vif *vif; identifier var = { chanctx_conf, mu_mimo_owner, csa_active, color_change_active, color_change_color }; @@ -vif->var +vif->bss_conf.var Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2022-06-10wifi: mac80211: remove cipher scheme supportJohannes Berg1-35/+0
The only driver using this was iwlwifi, where we just removed the support because it was never really used. Remove the code from mac80211 as well. Change-Id: I1667417a5932315ee9d81f5c233c56a354923f09 Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2022-05-16mac80211: extend current rate control tx status APIJonas Jelonek1-2/+31
This patch adds the new struct ieee80211_rate_status and replaces 'struct rate_info *rate' in ieee80211_tx_status with pointer and length annotation. The struct ieee80211_rate_status allows to: (1) receive tx power status feedback for transmit power control (TPC) per packet or packet retry (2) dynamic mapping of wifi chip specific multi-rate retry (mrr) chains with different lengths (3) increase the limit of annotatable rate indices to support IEEE802.11ac rate sets and beyond ieee80211_tx_info, control and status buffer, and ieee80211_tx_rate cannot be used to achieve these goals due to fixed size limitations. Our new struct contains a struct rate_info to annotate the rate that was used, retry count of the rate and tx power. It is intended for all information related to RC and TPC that needs to be passed from driver to mac80211 and its RC/TPC algorithms like Minstrel_HT. It corresponds to one stage in an mrr. Multiple subsequent instances of this struct can be included in struct ieee80211_tx_status via a pointer and a length variable. Those instances can be allocated on-stack. The former reference to a single instance of struct rate_info is replaced with our new annotation. An extension is introduced to struct ieee80211_hw. There are two new members called 'tx_power_levels' and 'max_txpwr_levels_idx' acting as a tx power level table. When a wifi device is registered, the driver shall supply all supported power levels in this list. This allows to support several quirks like differing power steps in power level ranges or alike. TPC can use this for algorithm and thus be designed more abstract instead of handling all possible step widths individually. Further mandatory changes in status.c, mt76 and ath11k drivers due to the removal of 'struct rate_info *rate' are also included. status.c already uses the information in ieee80211_tx_status->rate in radiotap, this is now changed to use ieee80211_rate_status->rate_idx. mt76 driver already uses struct rate_info to pass the tx rate to status path. The new members of the ieee80211_tx_status are set to NULL and 0 because the previously passed rate is not relevant to rate control and accurate information is passed via tx_info->status.rates. For ath11k, the txrate can be passed via this struct because ath11k uses firmware RC and thus the information does not interfere with software RC. Compile-Tested: current wireless-next tree with all flags on Tested-on: Xiaomi 4A Gigabit (MediaTek MT7603E, MT7612E) with OpenWrt Linux 5.10.113 Signed-off-by: Jonas Jelonek <jelonek.jonas@gmail.com> Link: https://lore.kernel.org/r/20220509173958.1398201-2-jelonek.jonas@gmail.com Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2022-05-16mac80211: remove stray multi_sta_back_32bit docsJohannes Berg1-1/+0
This field doesn't exist, remove the docs for it. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2022-05-16mac80211: fix typo in documentationJohannes Berg1-1/+1
This is called offload_flags, remove the extra 'a'. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2022-04-11mac80211: prepare sta handling for MLO supportSriram R1-22/+58
Currently in mac80211 each STA object is represented using sta_info datastructure with the associated STA specific information and drivers access ieee80211_sta part of it. With MLO (Multi Link Operation) support being added in 802.11be standard, though the association is logically with a single Multi Link capable STA, at the physical level communication can happen via different advertised links (uniquely identified by Channel, operating class, BSSID) and hence the need to handle multiple link STA parameters within a composite sta_info object called the MLD STA. The different link STA part of MLD STA are identified using the link address which can be same or different as the MLD STA address and unique link id based on the link vif. To support extension of such a model, the sta_info datastructure is modified to hold multiple link STA objects with link specific params currently within sta_info moved to this new structure. Similarly this is done for ieee80211_sta as well which will be accessed within mac80211 as well as by drivers, hence trivial driver changes are expected to support this. For current non MLO supported drivers, only one link STA is present and link information is accessed via 'deflink' member. For MLO drivers, we still need to define the APIs etc. to get the correct link ID and access the correct part of the station info. Currently in mac80211, all link STA info are accessed directly via deflink. These will be updated to access via link pointers indexed by link id with MLO support patches, with link id being 0 for non MLO supported cases. Except for couple of macro related changes, below spatch takes care of updating mac80211 and driver code to access to the link STA info via deflink. @ieee80211_sta@ struct ieee80211_sta *s; struct sta_info *si; identifier var = {supp_rates, ht_cap, vht_cap, he_cap, he_6ghz_capa, eht_cap, rx_nss, bandwidth, txpwr}; @@ ( s-> - var + deflink.var | si->sta. - var + deflink.var ) @sta_info@ struct sta_info *si; identifier var = {gtk, pcpu_rx_stats, rx_stats, rx_stats_avg, status_stats, tx_stats, cur_max_bandwidth}; @@ ( si-> - var + deflink.var ) Signed-off-by: Sriram R <quic_srirrama@quicinc.com> Link: https://lore.kernel.org/r/1649086883-13246-1-git-send-email-quic_srirrama@quicinc.com [remove MLO-drivers notes from commit message, not clear yet; run spatch] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2022-04-11mac80211: introduce BSS color collision detectionLorenzo Bianconi1-0/+4
Add ieee80211_rx_check_bss_color_collision routine in order to introduce BSS color collision detection in mac80211 if it is not supported in HW/FW (e.g. for mt7915 chipset). Add IEEE80211_HW_DETECTS_COLOR_COLLISION flag to let the driver notify BSS color collision detection is supported in HW/FW. Set this for ath11k which apparently didn't need this code. Tested-by: Peter Chiu <Chui-Hao.Chiu@mediatek.com> Co-developed-by: Ryder Lee <ryder.lee@mediatek.com> Signed-off-by: Ryder Lee <ryder.lee@mediatek.com> Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Link: https://lore.kernel.org/r/a05eeeb1841a84560dc5aaec77894fcb69a54f27.1648204871.git.lorenzo@kernel.org [clarify commit message a bit, move flag to mac80211] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2022-04-11mac80211: Improve confusing comment around tx_info clearingToke Høiland-Jørgensen1-3/+3
The comment above the ieee80211_tx_info_clear_status() helper was somewhat confusing as to which fields it was or wasn't clearing. So replace it by something that is hopefully more, well, clear. Signed-off-by: Toke Høiland-Jørgensen <toke@toke.dk> Link: https://lore.kernel.org/r/20220404210108.2684907-1-toke@toke.dk Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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