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6c256218e59e wifi: mt76: dma: use napi_build_skb 679254c50f27 mt7915: add CONFIG_MT76_LEDS to cflags 15b9dd6b1b6a wifi: mt76: mt7915: call mt7915_mcu_set_thermal_throttling() only after init_work 8e5c21fe7c5c wifi: mt76: mt7915: rework mt7915_mcu_set_thermal_throttling 87cb74fe42d9 wifi: mt76: mt7915: rework mt7915_thermal_temp_store() c6f24b83eba5 wifi: mt76: mt7915: add error message in mt7915_thermal_set_cur_throttle_state() 99e96b89ee4d wifi: mt76: mt7915: add chip id condition in mt7915_check_eeprom() 833cd420480f wifi: mt76: mt7921: fix channel switch fail in monitor mode f1f8bae6092d wifi: mt76: mt7921: add ack signal support f47087a6dd62 wifi: mt76: mt7996: fix chainmask calculation in mt7996_set_antenna() 2f3b0acc1588 wifi: mt76: mt7996: update register for CFEND_RATE 7e9540dcbd70 wifi: mt76: mt7996: do not hardcode vht beamform cap a37e427d0959 wifi: mt76: connac: fix POWER_CTRL command name typo 98aa346042bd wifi: mt76: mt7915: remove BW160 and BW80+80 support 94fed6a43541 wifi: mt76: mt7921: fix invalid remain_on_channel duration 3c162384d80a wifi: mt76: introduce mt76_queue_is_wed_rx utility routine a409a9454587 wifi: mt76: mt7915: fix memory leak in mt7915_mcu_exit 8b27ecd3a684 wifi: mt76: mt7996: fix memory leak in mt7996_mcu_exit 683760461dd0 wifi: mt76: dma: free rx_head in mt76_dma_rx_cleanup 0c750cf08f85 wifi: mt76: dma: fix memory leak running mt76_dma_tx_cleanup 5de9ae29bea2 wifi: mt76: mt7915: avoid mcu_restart function pointer dad96dd3e62d wifi: mt76: mt7603: avoid mcu_restart function pointer 19d36dd9c8ea wifi: mt76: mt7615: avoid mcu_restart function pointer 6fe2c2383d3d wifi: mt76: mt7921: avoid mcu_restart function pointer 9df89143bf71 wifi: mt76: mt7915: get rid of wed rx_buf_ring page_frag_cache 8d51d11760cb wifi: mt76: fix switch default case in mt7996_reverse_frag0_hdr_trans 0d8057dbd51c wifi: mt76: mt7921u: add support for Comfast CF-952AX ddbf4e933d54 wifi: mt76: mt7915: set sku initial value to zero 06a8904e954e wifi: mt76: mt7915: wed: enable red per-band token drop 724a337caef9 wifi: mt76: mt7915: fix WED TxS reporting 747ca943a5bb wifi: mt76: add flexible polling wait-interval support 133d7859977a wifi: mt76: mt7921: reduce polling time in pmctrl 5fe319a0550e wifi: mt76: add memory barrier to SDIO queue kick 822f060b9d19 wifi: mt76: mt7921: fix rx filter incorrect by drv/fw inconsistent c6794954a723 wifi: mt76: mt7915: fix memory leak in mt7915_mmio_wed_init_rx_buf 9686cd7cc65c wifi: mt76: switch to page_pool allocator 04da4eaa8235 wifi: mt76: enable page_pool stats 1af4a911ebcb wifi: mt76: mt7915: release rxwi in mt7915_wed_release_rx_buf e8c10835cf06 wifi: mt76: fix compile error without CONFIG_PAGE_POOL_STATS 0cf0ede7cc42 net: ethernet: mtk_wed: add reset to rx_ring_setup callback 715b3ed9708a net: ethernet: mtk_wed: add reset to tx_ring_setup callback 9107381d0ff3 wifi: mt76: mt7921: fix error code of return in mt7921_acpi_read 36d2a5bf7802 wifi: mt76: mt7996: rely on mt76_connac2_mac_tx_rate_val c67f57d2cda2 wifi: mt76: dma: add reset to mt76_dma_wed_setup signature 3dace36e2941 wifi: mt76: dma: reset wed queues in mt76_dma_rx_reset 4b229d2da562 wifi: mt76: mt7915: add mt7915 wed reset callbacks f83958376085 wifi: mt76: mt7915: complete wed reset support 321edbb414dc wifi: mt76: mt7996: rely on mt76_connac_txp_common structure bdb7dc38a6d1 wifi: mt76: mt7996: rely on mt76_connac_txp_skb_unmap 8688756305c6 wifi: mt76: mt7996: rely on mt76_connac_tx_complete_skb fbf986dbd4c0 wifi: mt76: mt7996: rely on mt76_connac2_mac_decode_he_radiotap adc556cbce37 wifi: mt76: mt7996: avoid mcu_restart function pointer 5eb4e2303be4 wifi: mt76: remove __mt76_mcu_restart macro e7a61c5f70f5 wifi: mt76: add EHT phy type b375845abc10 wifi: mt76: connac: add CMD_CBW_320MHZ 68b17a243332 wifi: mt76: connac: add helpers for EHT capability 02ec1f61b3a2 wifi: mt76: connac: add cmd id related to EHT support 9209294cd81b wifi: mt76: increase wcid size to 1088 5e85136c9b2f wifi: mt76: add EHT rate stats for ethtool a171f672fdeb wifi: mt76: mt7996: add variants support eda8fd62c105 wifi: mt76: mt7996: add helpers for wtbl and interface limit 4a5a9f4cdc3b wifi: mt76: mt7996: rework capability init 06b73c155680 wifi: mt76: mt7996: add EHT capability init ae71a1b8294f wifi: mt76: mt7996: add support for EHT rate report 65bdfae2991d wifi: mt76: mt7996: enable EHT support in firmware b2360d59747c wifi: mt76: mt7996: add EHT beamforming support Signed-off-by: Felix Fietkau <nbd@nbd.name>
76 lines
2.3 KiB
Diff
76 lines
2.3 KiB
Diff
From: Lorenzo Bianconi <lorenzo@kernel.org>
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Date: Thu, 12 Jan 2023 10:21:29 +0100
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Subject: [PATCH] net: ethernet: mtk_wed: get rid of queue lock for tx queue
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Similar to MTK Wireless Ethernet Dispatcher (WED) MCU rx queue,
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we do not need to protect WED MCU tx queue with a spin lock since
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the tx queue is accessed in the two following routines:
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- mtk_wed_wo_queue_tx_skb():
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it is run at initialization and during mt7915 normal operation.
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Moreover MCU messages are serialized through MCU mutex.
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- mtk_wed_wo_queue_tx_clean():
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it runs just at mt7915 driver module unload when no more messages
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are sent to the MCU.
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Remove tx queue spinlock.
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Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
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Link: https://lore.kernel.org/r/7bd0337b2a13ab1a63673b7c03fd35206b3b284e.1673515140.git.lorenzo@kernel.org
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Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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---
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--- a/drivers/net/ethernet/mediatek/mtk_wed_wo.c
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+++ b/drivers/net/ethernet/mediatek/mtk_wed_wo.c
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@@ -258,7 +258,6 @@ mtk_wed_wo_queue_alloc(struct mtk_wed_wo
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int n_desc, int buf_size, int index,
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struct mtk_wed_wo_queue_regs *regs)
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{
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- spin_lock_init(&q->lock);
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q->regs = *regs;
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q->n_desc = n_desc;
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q->buf_size = buf_size;
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@@ -290,7 +289,6 @@ mtk_wed_wo_queue_tx_clean(struct mtk_wed
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struct page *page;
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int i;
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- spin_lock_bh(&q->lock);
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for (i = 0; i < q->n_desc; i++) {
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struct mtk_wed_wo_queue_entry *entry = &q->entry[i];
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@@ -299,7 +297,6 @@ mtk_wed_wo_queue_tx_clean(struct mtk_wed
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skb_free_frag(entry->buf);
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entry->buf = NULL;
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}
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- spin_unlock_bh(&q->lock);
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if (!q->cache.va)
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return;
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@@ -347,8 +344,6 @@ int mtk_wed_wo_queue_tx_skb(struct mtk_w
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int ret = 0, index;
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u32 ctrl;
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- spin_lock_bh(&q->lock);
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-
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q->tail = mtk_wed_mmio_r32(wo, q->regs.dma_idx);
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index = (q->head + 1) % q->n_desc;
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if (q->tail == index) {
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@@ -379,8 +374,6 @@ int mtk_wed_wo_queue_tx_skb(struct mtk_w
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mtk_wed_wo_queue_kick(wo, q, q->head);
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mtk_wed_wo_kickout(wo);
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out:
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- spin_unlock_bh(&q->lock);
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-
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dev_kfree_skb(skb);
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return ret;
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--- a/drivers/net/ethernet/mediatek/mtk_wed_wo.h
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+++ b/drivers/net/ethernet/mediatek/mtk_wed_wo.h
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@@ -211,7 +211,6 @@ struct mtk_wed_wo_queue {
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struct mtk_wed_wo_queue_regs regs;
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struct page_frag_cache cache;
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- spinlock_t lock;
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struct mtk_wed_wo_queue_desc *desc;
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dma_addr_t desc_dma;
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