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path: root/drivers/net/wireless/mediatek/mt76/mt7915/dma.c
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2020-12-04mt76: mt7915: introduce dbdc supportLorenzo Bianconi
Introduce mt7915 dbdc support. If dbdc is available, mt7915 primary phy will work on 2.4GHz band, while secondary one on 5GHz band. Co-developed-by: Shayne Chen <shayne.chen@mediatek.com> Signed-off-by: Shayne Chen <shayne.chen@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> 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: move mcu queues to mt76_dev q_mcu arrayLorenzo Bianconi
Move mcu queue to a dedicated array q_mcu in mt76_dev structure. This is a preliminary patch to move data queues in mt76_phy and properly support dbdc Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2020-12-04mt76: introduce mt76_init_mcu_queue utility routineLorenzo Bianconi
Introduce mt76_init_mcu_queue utility routine in order to allocate dedicate q_mcu pointers for mcu hw queues. 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: dma: rely on mt76_queue in mt76_dma_tx_cleanup signatureLorenzo Bianconi
This is a preliminary patch to move data queues in mt76_phy and properly support dbdc Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2020-12-04mt76: move mt76_init_tx_queue in common codeLorenzo Bianconi
Move mt76_init_tx_queue in mac80211.c since it is shared by all drivers. Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2020-12-04mt76: mt7915: implement testmode rx supportShayne Chen
Support testmode rx and display rx statistic by parsing RXV packet type, which is currently only enabled in testmode. Reviewed-by: Ryder Lee <ryder.lee@mediatek.com> Signed-off-by: Shayne Chen <shayne.chen@mediatek.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2020-09-24mt76: Use fallthrough pseudo-keywordGustavo A. R. Silva
Replace the existing /* fall through */ comments and its variants with the new pseudo-keyword macro fallthrough[1]. Also, remove unnecessary fall-through markings when it is the case. [1] https://www.kernel.org/doc/html/v5.7/process/deprecated.html?highlight=fallthrough#implicit-switch-case-fall-through Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2020-09-24mt76: convert from tx tasklet to tx worker threadFelix Fietkau
This improves performance by allowing the scheduler to move the tx scheduling work to idle CPUs. Since tx scheduling work is very latency sensitive and kept short via AQL, sched_set_fifo_low is used to keep worker priority above normal tasks Signed-off-by: Felix Fietkau <nbd@nbd.name>
2020-09-24mt76: remove struct mt76_sw_queueFelix Fietkau
All members except for the struct mt76_queue pointer have been removed Signed-off-by: Felix Fietkau <nbd@nbd.name>
2020-09-24mt76: remove swq from struct mt76_sw_queueFelix Fietkau
Since txq selection was moved to mac80211, it is no longer used Signed-off-by: Felix Fietkau <nbd@nbd.name>
2020-09-24mt76: mt7915: add support for accessing mapped registers via bus opsFelix Fietkau
Makes it possible to read/write them via debugfs, similar to mt7615/7603 Signed-off-by: Felix Fietkau <nbd@nbd.name>
2020-09-24mt76: mt7915: significantly reduce interrupt loadFelix Fietkau
On 7615 and newer, DMA completion only triggers unmap, but not free of queued skbs, since pointers to packets are queued internally. Because of that, there is no need to process the main data queue immediately on DMA completion. To improve performance, mask out the DMA data queue completion interrupt and process the queue only when we receive a txfree event. This brings the number of interrupts under load down to a small fraction. Signed-off-by: Felix Fietkau <nbd@nbd.name>
2020-09-24mt76: mt7915: schedule tx tasklet in mt7915_mac_tx_freeFelix Fietkau
The previous scheduling round may have been limited by AQL. More frames might be available after the tx free run. Signed-off-by: Felix Fietkau <nbd@nbd.name>
2020-09-24mt76: mt7915: optimize mt7915_mac_sta_pollFelix Fietkau
Since DMA completion does not imply tx completion, it makes more sense to poll for airtime from mt7915_mac_tx_free. Reduce the runtime of the function by moving all items from dev->sta_poll_list to a local list once and process any stations that were added afterwards on the next run Signed-off-by: Felix Fietkau <nbd@nbd.name>
2020-09-24mt76: mt7915: do not do any work in napi poll after calling napi_complete_done()Felix Fietkau
Fixes a race condition where multiple tx cleanup or sta poll tasks could run in parallel. Signed-off-by: Felix Fietkau <nbd@nbd.name>
2020-07-21mt76: mt7915: overwrite qid for non-bufferable mgmt framesRyder Lee
Overwrite hw queue id for non-bufferable management frames if the hw/fw support always txq (altxq) in order to be in sync with mac txwi code Signed-off-by: Ryder Lee <ryder.lee@mediatek.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2020-05-12mt76: add mac80211 driver for MT7915 PCIe-based chipsetsRyder Lee
Add support for the MediaTek latest generation IEEE 802.11ax 4x4 device MT7915E, which supports concurrent dual-band operation at both 5GHz and 2.4GHz. Note that this patch just add basic part and will add more HE capabilities support in the further patches. The driver supports AP, Station, Mesh and monitor mode. Signed-off-by: Ryder Lee <ryder.lee@mediatek.com> Signed-off-by: Shayne Chen <shayne.chen@mediatek.com> Signed-off-by: Chih-Min Chen <chih-min.chen@mediatek.com> Suggested-by: Shihwei Lin <shihwei.lin@mediatek.com> Tested-by: Evelyn Tsai <evelyn.tsai@mediatek.com> Acked-by: Yiwei Chung <yiwei.chung@mediatek.com> Acked-by: YF Luo <yf.luo@mediatek.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
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