summaryrefslogtreecommitdiff
path: root/drivers/net/wireless/mediatek/mt76/tx.c
AgeCommit message (Collapse)Author
2025-07-07wifi: mt76: fix queue assignment for deauth packetsFelix Fietkau
When running in AP mode and deauthenticating a client that's in powersave mode, the disassoc/deauth packet can get stuck in a tx queue along with other buffered frames. This can fill up hardware queues with frames that are only released after the WTBL slot is reused for another client. Fix this by moving deauth packets to the ALTX queue. Reported-by: Chad Monroe <chad.monroe@adtran.com> Link: https://patch.msgid.link/20250707154702.1726-2-nbd@nbd.name Signed-off-by: Felix Fietkau <nbd@nbd.name>
2025-07-07wifi: mt76: add a wrapper for wcid access with validationFelix Fietkau
Several places use rcu_dereference to get a wcid entry without validating if the index exceeds the array boundary. Fix this by using a helper function, which handles validation. Link: https://patch.msgid.link/20250707154702.1726-1-nbd@nbd.name Signed-off-by: Felix Fietkau <nbd@nbd.name>
2025-03-19wifi: mt76: only mark tx-status-failed frames as ACKed on mt76x0/2Felix Fietkau
The interrupt status polling is unreliable, which can cause status events to get lost. On all newer chips, txs-timeout is an indication that the packet was either never sent, or never acked. Fixes issues with inactivity polling. Link: https://patch.msgid.link/20250311103646.43346-6-nbd@nbd.name Signed-off-by: Felix Fietkau <nbd@nbd.name>
2025-01-14wifi: mt76: add multi-radio support to tx schedulingFelix Fietkau
Look up the phy for each scheduled txq. Only run one scheduling loop per hw. Link: https://patch.msgid.link/20250102163508.52945-10-nbd@nbd.name Signed-off-by: Felix Fietkau <nbd@nbd.name>
2024-09-06wifi: mt76: mt7915: use mac80211 .sta_state opFelix Fietkau
Allows adding stations before assoc, though they are not passed to the firmware yet at that point. Link: https://patch.msgid.link/20240827093011.18621-12-nbd@nbd.name Signed-off-by: Felix Fietkau <nbd@nbd.name>
2024-09-06wifi: mt76: add separate tx scheduling queue for off-channel txFelix Fietkau
Ensure that packets are not sent out to the wrong channel Link: https://patch.msgid.link/20240827093011.18621-6-nbd@nbd.name Signed-off-by: Felix Fietkau <nbd@nbd.name>
2024-05-02wifi: mt76: fix tx packet loss when scanning on DBDCFelix Fietkau
When queueing packets, only the MT76_RESET flag of the primary PHY is checked. If the primary PHY is scanning or changing channels, this can lead to packet loss for tx on the second PHY. Fix this by passing the phy to the .tx_queue_skb op and using it to check the correct flag. Signed-off-by: Felix Fietkau <nbd@nbd.name>
2023-09-30wifi: mt76: fix race condition related to checking tx queue fill statusFelix Fietkau
When drv_tx calls race against local tx scheduling, the queue fill status checks can potentially race, leading to dma queue entries being overwritten. Fix this by deferring packets from drv_tx calls to the tx worker, in order to ensure that all regular queue tx comes from the same context. Reported-by: Ryder Lee <Ryder.Lee@mediatek.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2023-07-25wifi: mt76: report non-binding skb tx rate when WED is activePeter Chiu
AQL relies on accurate tx rate reporting, so add this patch for non-binding skb rate when WED is enabled. Co-developed-by: Ryder Lee <ryder.lee@mediatek.com> Signed-off-by: Ryder Lee <ryder.lee@mediatek.com> Signed-off-by: Peter Chiu <chui-hao.chiu@mediatek.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2023-07-25wifi: mt76: mt7915: rework tx bytes counting when WED is activePeter Chiu
Concurrent binding/non-binding skbs could be handled anywhere which leads to mixed byte counting, so switch to use PPDU TxS reporting regardless Tx paths when WED is active. Fixes: 43eaa3689507 ("wifi: mt76: add PPDU based TxS support for WED device") Co-developed-by: Ryder Lee <ryder.lee@mediatek.com> Signed-off-by: Ryder Lee <ryder.lee@mediatek.com> Signed-off-by: Peter Chiu <chui-hao.chiu@mediatek.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2023-04-17wifi: mt76: add missing locking to protect against concurrent rx/status callsFelix Fietkau
According to the documentation, ieee80211_rx_list must not run concurrently with ieee80211_tx_status (or its variants). Cc: stable@vger.kernel.org Fixes: 88046b2c9f6d ("mt76: add support for reporting tx status with skb") Reported-by: Brian Coverstone <brian@mainsequence.net> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2023-04-13wifi: ieee80211: correctly mark FTM frames non-bufferableJohannes Berg
The checks of whether or not a frame is bufferable were not taking into account that some action frames aren't, such as FTM. Check this, which requires some changes to the function ieee80211_is_bufferable_mmpdu() since we need the whole skb for the checks now. Reviewed-by: Ilan Peer <ilan.peer@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2023-01-16wifi: mt76: handle possible mt76_rx_token_consume failuresLorenzo Bianconi
Take into account possible error conditions of mt76_rx_token_consume routine in mt7915_mmio_wed_init_rx_buf() and mt76_dma_add_buf() Fixes: cd372b8c99c5 ("wifi: mt76: add WED RX support to mt76_dma_{add,get}_buf") Fixes: 4f831d18d12d ("wifi: mt76: mt7915: enable WED RX support") Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name> (cherry picked from commit 96f134dc19645be4994e89a2f68fa89309becbee) Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://lore.kernel.org/r/20230113105848.34642-2-nbd@nbd.name
2022-12-01wifi: mt76: introduce rxwi and rx token utility routinesSujuan Chen
This is a preliminary patch to introduce WED RX support for mt7915. Tested-by: Daniel Golle <daniel@makrotopia.org> Co-developed-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Sujuan Chen <sujuan.chen@mediatek.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2022-10-06wifi: mt76: fix rate reporting / throughput regression on mt7915 and newerFelix Fietkau
mt7915 and newer need to report the rate_info that's stored in wcid->rate, since they don't fill info->status.rates. Cc: Jonas Jelonek <jelonek.jonas@gmail.com> Reported-by: Mikhail Gavrilov <mikhail.v.gavrilov@gmail.com> Link: https://lore.kernel.org/all/CABXGCsP0znm9pS-MiKtyxTXR7XiyFVqen0qzNpicGHDZKCzbwg@mail.gmail.com/ Fixes: 44fa75f207d8 ("mac80211: extend current rate control tx status API") Signed-off-by: Felix Fietkau <nbd@nbd.name> Tested-by: Mikhail Gavrilov <mikhail.v.gavrilov@gmail.com> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://lore.kernel.org/r/20220927093823.6007-1-nbd@nbd.name
2022-07-11mt76: convert MT_TX_HW_QUEUE_EXT_PHY to MT_TX_HW_QUEUE_PHYLorenzo Bianconi
Report phy_indx in tx_info->hw_queue. This is a preliminary patch to add newer chipset support Co-developed-by: Bo Jiao <bo.jiao@mediatek.com> Signed-off-by: Bo Jiao <bo.jiao@mediatek.com> Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2022-07-11mt76: introduce phys array in mt76_dev structureLorenzo Bianconi
Introduce phys array in mt76_dev structure to reference mt76_phy supported by the chipset. This is a preliminary patch to introduce newer chipset support. Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2022-07-11mt76: do not use skb_set_queue_mapping for internal purposesFelix Fietkau
Previously the code used skb_set_queue_mapping for management or non-bufferable powersave frames that need to be sent to a different hardware queue. This can confuse AQL, which expects the value to remain the same until the tx status report. The only place that currently uses the altered skb queue mapping is the txwi write function. Change the code to pass the hardware queue id as a function parameter instead. Signed-off-by: Felix Fietkau <nbd@nbd.name>
2022-07-11mt76: pass original queue id from __mt76_tx_queue_skb to the driverFelix Fietkau
MT7615 and newer map multiple software tx queues to the hardware id Signed-off-by: Felix Fietkau <nbd@nbd.name>
2022-05-16Merge tag 'mt76-for-kvalo-2022-05-12' of https://github.com/nbd168/wirelessKalle Valo
mt76 patches for 5.19 - tx locking improvements - wireless ethernet dispatch support for flow offload - non-standard VHT MCS10-11 support - fixes - runtime PM improvements - mt7921 AP mode support - mt7921 ipv6 NS offload support
2022-05-16mac80211: extend current rate control tx status APIJonas Jelonek
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>
2022-05-13mt76: mt7915: add Wireless Ethernet Dispatch supportFelix Fietkau
This is used to support hardware flow offloading from Ethernet to WLAN Signed-off-by: Felix Fietkau <nbd@nbd.name>
2022-05-13mt76: make number of tokens configurable dynamicallyFelix Fietkau
Preparation for adding Wireless Ethernet Dispatch support Signed-off-by: Felix Fietkau <nbd@nbd.name>
2022-05-13mt76: fix tx status related use-after-free race on station removalFelix Fietkau
There is a small race window where ongoing tx activity can lead to a skb getting added to the status tracking idr after that idr has already been cleaned up, which will keep the wcid linked in the status poll list. Fix this by only adding status skbs if the wcid pointer is still assigned in dev->wcid, which gets cleared early by mt76_sta_pre_rcu_remove Fixes: bd1e3e7b693c ("mt76: introduce packet_id idr") Tested-by: Ben Greear <greearb@candelatech.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2022-05-13mt76: fix use-after-free by removing a non-RCU wcid pointerFelix Fietkau
Fixes an issue caught by KASAN about use-after-free in mt76_txq_schedule by protecting mtxq->wcid with rcu_lock between mt76_txq_schedule and sta_info_[alloc, free]. [18853.876689] ================================================================== [18853.876751] BUG: KASAN: use-after-free in mt76_txq_schedule+0x204/0xaf8 [mt76] [18853.876773] Read of size 8 at addr ffffffaf989a2138 by task mt76-tx phy0/883 [18853.876786] [18853.876810] CPU: 5 PID: 883 Comm: mt76-tx phy0 Not tainted 5.10.100-fix-510-56778d365941-kasan #5 0b01fbbcf41a530f52043508fec2e31a4215 [18853.876840] Call trace: [18853.876861] dump_backtrace+0x0/0x3ec [18853.876878] show_stack+0x20/0x2c [18853.876899] dump_stack+0x11c/0x1ac [18853.876918] print_address_description+0x74/0x514 [18853.876934] kasan_report+0x134/0x174 [18853.876948] __asan_report_load8_noabort+0x44/0x50 [18853.876976] mt76_txq_schedule+0x204/0xaf8 [mt76 074e03e4640e97fe7405ee1fab547b81c4fa45d2] [18853.877002] mt76_txq_schedule_all+0x2c/0x48 [mt76 074e03e4640e97fe7405ee1fab547b81c4fa45d2] [18853.877030] mt7921_tx_worker+0xa0/0x1cc [mt7921_common f0875ebac9d7b4754e1010549e7db50fbd90a047] [18853.877054] __mt76_worker_fn+0x190/0x22c [mt76 074e03e4640e97fe7405ee1fab547b81c4fa45d2] [18853.877071] kthread+0x2f8/0x3b8 [18853.877087] ret_from_fork+0x10/0x30 [18853.877098] [18853.877112] Allocated by task 941: [18853.877131] kasan_save_stack+0x38/0x68 [18853.877147] __kasan_kmalloc+0xd4/0xfc [18853.877163] kasan_kmalloc+0x10/0x1c [18853.877177] __kmalloc+0x264/0x3c4 [18853.877294] sta_info_alloc+0x460/0xf88 [mac80211] [18853.877410] ieee80211_prep_connection+0x204/0x1ee0 [mac80211] [18853.877523] ieee80211_mgd_auth+0x6c4/0xa4c [mac80211] [18853.877635] ieee80211_auth+0x20/0x2c [mac80211] [18853.877733] rdev_auth+0x7c/0x438 [cfg80211] [18853.877826] cfg80211_mlme_auth+0x26c/0x390 [cfg80211] [18853.877919] nl80211_authenticate+0x6d4/0x904 [cfg80211] [18853.877938] genl_rcv_msg+0x748/0x93c [18853.877954] netlink_rcv_skb+0x160/0x2a8 [18853.877969] genl_rcv+0x3c/0x54 [18853.877985] netlink_unicast_kernel+0x104/0x1ec [18853.877999] netlink_unicast+0x178/0x268 [18853.878015] netlink_sendmsg+0x3cc/0x5f0 [18853.878030] sock_sendmsg+0xb4/0xd8 [18853.878043] ____sys_sendmsg+0x2f8/0x53c [18853.878058] ___sys_sendmsg+0xe8/0x150 [18853.878071] __sys_sendmsg+0xc4/0x1f4 [18853.878087] __arm64_compat_sys_sendmsg+0x88/0x9c [18853.878101] el0_svc_common+0x1b4/0x390 [18853.878115] do_el0_svc_compat+0x8c/0xdc [18853.878131] el0_svc_compat+0x10/0x1c [18853.878146] el0_sync_compat_handler+0xa8/0xcc [18853.878161] el0_sync_compat+0x188/0x1c0 [18853.878171] [18853.878183] Freed by task 10927: [18853.878200] kasan_save_stack+0x38/0x68 [18853.878215] kasan_set_track+0x28/0x3c [18853.878228] kasan_set_free_info+0x24/0x48 [18853.878244] __kasan_slab_free+0x11c/0x154 [18853.878259] kasan_slab_free+0x14/0x24 [18853.878273] slab_free_freelist_hook+0xac/0x1b0 [18853.878287] kfree+0x104/0x390 [18853.878402] sta_info_free+0x198/0x210 [mac80211] [18853.878515] __sta_info_destroy_part2+0x230/0x2d4 [mac80211] [18853.878628] __sta_info_flush+0x300/0x37c [mac80211] [18853.878740] ieee80211_set_disassoc+0x2cc/0xa7c [mac80211] [18853.878851] ieee80211_mgd_deauth+0x4a4/0x10a0 [mac80211] [18853.878962] ieee80211_deauth+0x20/0x2c [mac80211] [18853.879057] rdev_deauth+0x7c/0x438 [cfg80211] [18853.879150] cfg80211_mlme_deauth+0x274/0x414 [cfg80211] [18853.879243] cfg80211_mlme_down+0xe4/0x118 [cfg80211] [18853.879335] cfg80211_disconnect+0x218/0x2d8 [cfg80211] [18853.879427] __cfg80211_leave+0x17c/0x240 [cfg80211] [18853.879519] cfg80211_leave+0x3c/0x58 [cfg80211] [18853.879611] wiphy_suspend+0xdc/0x200 [cfg80211] [18853.879628] dpm_run_callback+0x58/0x408 [18853.879642] __device_suspend+0x4cc/0x864 [18853.879658] async_suspend+0x34/0xf4 [18853.879673] async_run_entry_fn+0xe0/0x37c [18853.879689] process_one_work+0x508/0xb98 [18853.879702] worker_thread+0x7f4/0xcd4 [18853.879717] kthread+0x2f8/0x3b8 [18853.879731] ret_from_fork+0x10/0x30 [18853.879741] [18853.879757] The buggy address belongs to the object at ffffffaf989a2000 [18853.879757] which belongs to the cache kmalloc-8k of size 8192 [18853.879774] The buggy address is located 312 bytes inside of [18853.879774] 8192-byte region [ffffffaf989a2000, ffffffaf989a4000) [18853.879787] The buggy address belongs to the page: [18853.879807] page:000000004bda2a59 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1d89a0 [18853.879823] head:000000004bda2a59 order:3 compound_mapcount:0 compound_pincount:0 [18853.879839] flags: 0x8000000000010200(slab|head) [18853.879857] raw: 8000000000010200 ffffffffbc89e208 ffffffffb7fb5208 ffffffaec000cc80 [18853.879873] raw: 0000000000000000 0000000000010001 00000001ffffffff 0000000000000000 [18853.879885] page dumped because: kasan: bad access detected [18853.879896] [18853.879907] Memory state around the buggy address: [18853.879922] ffffffaf989a2000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [18853.879935] ffffffaf989a2080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [18853.879948] >ffffffaf989a2100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [18853.879961] ^ [18853.879973] ffffffaf989a2180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [18853.879986] ffffffaf989a2200: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [18853.879998] ================================================================== Cc: stable@vger.kernel.org Reported-by: Sean Wang <sean.wang@mediatek.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2022-05-13mt76: reduce tx queue lock hold timeFelix Fietkau
- call txq dequeue without holding txq lock (locking handled by mac80211) - disable bh around tx queue schedule Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-11-24mt76: fix timestamp check in tx_statusDeren Wu
Should keep SKBs only if timeout timestamp is still after jiffies. Otherwise, report tx status and drop it direclty. Fixes: bd1e3e7b693c ("mt76: introduce packet_id idr") Signed-off-by: Deren Wu <deren.wu@mediatek.com> Acked-by: Felix Fietkau <nbd@nbd.name> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/7e3784949c0b29a00465966b89fdb0192bd0298e.1637593492.git.deren.wu@mediatek.com
2021-10-20mt76: schedule status timeout at dma completionLorenzo Bianconi
Reduce MT_TX_STATUS_SKB_TIMEOUT to 250ms Tested-by: mrkiko.rs@gmail.com Co-developed-by: Ben Greear <greearb@candelatech.com> Signed-off-by: Ben Greear <greearb@candelatech.com> Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-10-20mt76: substitute sk_buff_head status_list with spinlock_t status_lockLorenzo Bianconi
Substitute sk_buff_head status_list with spinlock_t status_lock since we just need it for locking Tested-by: mrkiko.rs@gmail.com Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-10-20mt76: remove mt76_wcid pointer from mt76_tx_status_check signatureLorenzo Bianconi
Remove mt76_wcid pointer from mt76_tx_status_check signature since it is always set to NULL Tested-by: mrkiko.rs@gmail.com Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-10-20mt76: introduce packet_id idrLorenzo Bianconi
Introduce per-wcid idr to manage packet id for txs. This allow fast idr lookup and skb queueing at the same time. Tested-by: mrkiko.rs@gmail.com Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-10-20mt76: mt7915: report tx rate directly from tx statusRyder Lee
Report tx rate from tx status packets instead of receving periodic mcu event. This improves flexibility, accuracy and AQL performance, and simplifies code flow for better readability. Signed-off-by: Ryder Lee <ryder.lee@mediatek.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-06-19mt76: move mt76_get_next_pkt_id in mt76.hLorenzo Bianconi
In order to remove duplicated code, move mt76_get_next_pkt_id routine in mt76.h Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-06-19mt76: fix possible NULL pointer dereference in mt76_txLorenzo Bianconi
Even if this is not a real issue since mt76_tx is never run with wcid set to NULL, fix a theoretical NULL pointer dereference in mt76_tx routine Fixes: db9f11d3433f7 ("mt76: store wcid tx rate info in one u32 reduce locking") Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-06-17mt76: improve tx status codepathFelix Fietkau
Use ieee80211_tx_status_ext instead of ieee80211_free_skb and ieee80211_tx_status. This makes it compatible with 802.3 encap offload and improves performance by removing a redundant sta lookup Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-04-21mt76: move mt76_token_init in mt76_alloc_deviceLorenzo Bianconi
In order to remove duplicated code, move mt76_token_init in mt76_alloc_device routine Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-04-21mt76: move token utilities in mt76 common moduleLorenzo Bianconi
Move token management in mt76 common module since it is shared between mt7615, mt7915 and mt7921 drivers Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-04-21mt76: remove MT76_STATE_PM in tx pathLorenzo Bianconi
since tx/rx path is now relying pm ref counting, get rid of MT76_STATE_PM check in the tx path Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-04-21mt76: mt7663: rely on mt76_connac_pm_ref/mt76_connac_pm_unref in tx pathLorenzo Bianconi
Introduce mt7615_tx_worker routine as mt76 tx worker callback for mt7663. Rely on mt76_connac_pm_ref/mt76_connac_pm_unref to check PM state and increment/decrement wake counter Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-04-21mt76: testmode: add support to send larger packetShayne Chen
Add support to send larger packet in testmode to meet requirements of some test cases. The limit of max packet size is determined based on tx rate mode setting. Signed-off-by: Shayne Chen <shayne.chen@mediatek.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-04-12mt76: check return value of mt76_txq_send_burst in mt76_txq_schedule_listLorenzo Bianconi
Since mt76_txq_send_burst routine can report a negative error code, check the returned value before incrementing the number of transmitted frames in mt76_txq_schedule_list routine. Return -EBUSY directly if the device is in reset or in power management. Fixes: 90fdc1717b186 ("mt76: use mac80211 txq scheduling") Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-01-27mt76: reduce q->lock hold timeFelix Fietkau
Instead of holding it for the duration of an entire station schedule run, which can block out competing tasks for a significant amount of time, only hold it for scheduling one batch of packets for one station. Improves responsiveness under load Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-01-26mt76: testmode: introduce dbdc supportShayne Chen
Add testmode support for DBDC NICs (both MT7615D and MT7915D work). Testmode data and parameters are moved from per-dev to per-phy for maintaining the value of each band. Signed-off-by: Shayne Chen <shayne.chen@mediatek.com> Acked-by: Ryder Lee <ryder.lee@mediatek.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2020-12-11mt76: remove unused variable qSouptick Joarder
Kernel test robot reported warning: drivers/net/wireless/mediatek/mt76/tx.c: In function 'mt76_txq_schedule': >> drivers/net/wireless/mediatek/mt76/tx.c:499:21: warning: variable 'q' >> set but not used [-Wunused-but-set-variable] 499 | struct mt76_queue *q; | ^ Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Souptick Joarder <jrdr.linux@gmail.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/1607542617-4005-1-git-send-email-jrdr.linux@gmail.com
2020-12-04mt76: attempt to free up more room when filling the tx queueFelix Fietkau
Run dma cleanup immediately if the queue is almost full, instead of waiting for the tx interrupt Signed-off-by: Felix Fietkau <nbd@nbd.name>
2020-12-04mt76: improve tx queue stop/wakeFelix Fietkau
Instead of stopping and waking only a single queue, handle all phy tx queues mapped ot the same hardware queue. Also allow the driver to block tx queues Signed-off-by: Felix Fietkau <nbd@nbd.name>
2020-12-04mt76: move tx hw data queues in mt76_phyLorenzo Bianconi
Move hw data queues in mt76_phy from mt76_dev since mt7915 supports per phy hw queues in dbdc mode Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2020-12-04mt76: rely on mt76_queue in tx_queue_skb signatureLorenzo Bianconi
Rely on mt76_queue instead of qid in tx_queue_skb signature. This is a preliminary patch to move data queues in mt76_phy and add dbdc support to mt7915 driver Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2020-12-04mt76: mt7915: add 802.11 encap offload supportFelix Fietkau
It is currently limited to 3-address mode AP and STA interfaces Signed-off-by: Felix Fietkau <nbd@nbd.name>
2020-09-24mt76: move pad estimation out of mt76_skb_adjust_padLorenzo Bianconi
Move frame pad computation out of mt76_skb_adjust_pad routine. This is a preliminary patch to introduce sdio tx aggregation. Tested-by: Sean Wang <sean.wang@mediatek.com> Co-developed-by: Sean Wang <sean.wang@mediatek.com> Signed-off-by: Sean Wang <sean.wang@mediatek.com> Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>