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[23.128.96.18]) by mx.google.com with ESMTP id e15si5949049ejc.208.2020.04.16.07.34.09; Thu, 16 Apr 2020 07:34:37 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-wireless-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=zmE9+yFC; spf=pass (google.com: domain of linux-wireless-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-wireless-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2394386AbgDPOdM (ORCPT + 99 others); Thu, 16 Apr 2020 10:33:12 -0400 Received: from mail.kernel.org ([198.145.29.99]:39416 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2394376AbgDPOdG (ORCPT ); Thu, 16 Apr 2020 10:33:06 -0400 Received: from lore-desk.redhat.com (unknown [151.48.151.50]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 8B09821D7E; Thu, 16 Apr 2020 14:32:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1587047584; bh=JIKP5P9OYkFpYuJ5degbiE+52XwvWwqd+EXfy5NPTU0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=zmE9+yFCh/1Anofv+cf4hVdHi2Zu2DkzAz8hXEv8msa1GN3RpGoqt9aKZbmXO6rDp yoxEjQW8ucJ5xwYG0E2wO0GbOwnmTYDcIWowyJFGKUGORnXXSF7d40fgtzaxcYdG6V HwIV1keSsAjZgWJS+KlGILvyDa+/DywvY0l4QiIE= From: Lorenzo Bianconi To: nbd@nbd.name Cc: linux-wireless@vger.kernel.org, lorenzo.bianconi@redhat.com, sean.wang@mediatek.com, linux-mediatek@lists.infradead.org Subject: [PATCH v3 1/2] mt76: mt7615: move core shared code in mt7615-common module Date: Thu, 16 Apr 2020 16:32:50 +0200 Message-Id: <8e87b30258257840144514c286ee4eb6e803beeb.1587047373.git.lorenzo@kernel.org> X-Mailer: git-send-email 2.25.2 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Create mt7615-common module in order to collect shared code between usb and mmio code. Move the following source files in mt7615-common module: - main.c - init.c - mcu.c - mac.c - debugfs.c - eeprom.c - trace.c Create the following source files for mmio only source code and move them in mt7615e module: - pci_init.c - dma.c - pci_mac.c Signed-off-by: Lorenzo Bianconi --- drivers/net/wireless/mediatek/mt76/Makefile | 2 +- .../net/wireless/mediatek/mt76/mt7615/Kconfig | 7 +- .../wireless/mediatek/mt76/mt7615/Makefile | 7 +- .../wireless/mediatek/mt76/mt7615/debugfs.c | 1 + .../net/wireless/mediatek/mt76/mt7615/dma.c | 39 ---- .../wireless/mediatek/mt76/mt7615/eeprom.c | 1 + .../net/wireless/mediatek/mt76/mt7615/init.c | 194 ++------------- .../net/wireless/mediatek/mt76/mt7615/mac.c | 221 ++++-------------- .../net/wireless/mediatek/mt76/mt7615/main.c | 32 +-- .../net/wireless/mediatek/mt76/mt7615/mcu.c | 15 +- .../net/wireless/mediatek/mt76/mt7615/mmio.c | 30 +++ .../wireless/mediatek/mt76/mt7615/mt7615.h | 12 +- .../wireless/mediatek/mt76/mt7615/pci_init.c | 189 +++++++++++++++ .../wireless/mediatek/mt76/mt7615/pci_mac.c | 184 +++++++++++++++ 14 files changed, 503 insertions(+), 431 deletions(-) create mode 100644 drivers/net/wireless/mediatek/mt76/mt7615/pci_init.c create mode 100644 drivers/net/wireless/mediatek/mt76/mt7615/pci_mac.c diff --git a/drivers/net/wireless/mediatek/mt76/Makefile b/drivers/net/wireless/mediatek/mt76/Makefile index d7a1ddc9e407..a1dfafec431b 100644 --- a/drivers/net/wireless/mediatek/mt76/Makefile +++ b/drivers/net/wireless/mediatek/mt76/Makefile @@ -26,4 +26,4 @@ mt76x02-usb-y := mt76x02_usb_mcu.o mt76x02_usb_core.o obj-$(CONFIG_MT76x0_COMMON) += mt76x0/ obj-$(CONFIG_MT76x2_COMMON) += mt76x2/ obj-$(CONFIG_MT7603E) += mt7603/ -obj-$(CONFIG_MT7615E) += mt7615/ +obj-$(CONFIG_MT7615_COMMON) += mt7615/ diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/Kconfig b/drivers/net/wireless/mediatek/mt76/mt7615/Kconfig index 6afd4aea67ed..16385767d8b9 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/Kconfig +++ b/drivers/net/wireless/mediatek/mt76/mt7615/Kconfig @@ -1,7 +1,12 @@ # SPDX-License-Identifier: GPL-2.0-only + +config MT7615_COMMON + tristate + select MT76_CORE + config MT7615E tristate "MediaTek MT7615E (PCIe) support" - select MT76_CORE + select MT7615_COMMON depends on MAC80211 depends on PCI help diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/Makefile b/drivers/net/wireless/mediatek/mt76/mt7615/Makefile index 5c6a220ed7e3..2a7937b4394f 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/Makefile +++ b/drivers/net/wireless/mediatek/mt76/mt7615/Makefile @@ -1,9 +1,12 @@ #SPDX-License-Identifier: ISC +obj-$(CONFIG_MT7615_COMMON) += mt7615-common.o obj-$(CONFIG_MT7615E) += mt7615e.o CFLAGS_trace.o := -I$(src) -mt7615e-y := pci.o init.o dma.o eeprom.o main.o mcu.o mac.o mmio.o \ - debugfs.o trace.o +mt7615-common-y := main.o init.o mcu.o eeprom.o mac.o \ + debugfs.o trace.o + +mt7615e-y := pci.o pci_init.o dma.o pci_mac.o mmio.o mt7615e-$(CONFIG_MT7622_WMAC) += soc.o diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7615/debugfs.c index 2163a22967c7..150036488e3f 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/debugfs.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/debugfs.c @@ -325,3 +325,4 @@ int mt7615_init_debugfs(struct mt7615_dev *dev) return 0; } +EXPORT_SYMBOL_GPL(mt7615_init_debugfs); diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/dma.c b/drivers/net/wireless/mediatek/mt76/mt7615/dma.c index b19f208e3d54..b0ba0e7807bf 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/dma.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/dma.c @@ -94,45 +94,6 @@ mt7615_init_tx_queues(struct mt7615_dev *dev) return 0; } -void mt7615_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q, - struct sk_buff *skb) -{ - struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76); - __le32 *rxd = (__le32 *)skb->data; - __le32 *end = (__le32 *)&skb->data[skb->len]; - enum rx_pkt_type type; - u16 flag; - - type = FIELD_GET(MT_RXD0_PKT_TYPE, le32_to_cpu(rxd[0])); - flag = FIELD_GET(MT_RXD0_PKT_FLAG, le32_to_cpu(rxd[0])); - if (type == PKT_TYPE_RX_EVENT && flag == 0x1) - type = PKT_TYPE_NORMAL_MCU; - - switch (type) { - case PKT_TYPE_TXS: - for (rxd++; rxd + 7 <= end; rxd += 7) - mt7615_mac_add_txs(dev, rxd); - dev_kfree_skb(skb); - break; - case PKT_TYPE_TXRX_NOTIFY: - mt7615_mac_tx_free(dev, skb); - break; - case PKT_TYPE_RX_EVENT: - mt7615_mcu_rx_event(dev, skb); - break; - case PKT_TYPE_NORMAL_MCU: - case PKT_TYPE_NORMAL: - if (!mt7615_mac_fill_rx(dev, skb)) { - mt76_rx(&dev->mt76, q, skb); - return; - } - /* fall through */ - default: - dev_kfree_skb(skb); - break; - } -} - static void mt7615_tx_cleanup(struct mt7615_dev *dev) { diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/eeprom.c b/drivers/net/wireless/mediatek/mt76/mt7615/eeprom.c index 7a09427463b0..521705015036 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/eeprom.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/eeprom.c @@ -297,3 +297,4 @@ int mt7615_eeprom_init(struct mt7615_dev *dev, u32 addr) return 0; } +EXPORT_SYMBOL_GPL(mt7615_eeprom_init); diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/init.c b/drivers/net/wireless/mediatek/mt76/mt7615/init.c index f06de74d009d..9d9f73b4561e 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/init.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/init.c @@ -12,12 +12,13 @@ #include "mac.h" #include "eeprom.h" -static void mt7615_phy_init(struct mt7615_dev *dev) +void mt7615_phy_init(struct mt7615_dev *dev) { /* disable rf low power beacon mode */ mt76_set(dev, MT_WF_PHY_WF2_RFCTRL0(0), MT_WF_PHY_WF2_RFCTRL0_LPBCN_EN); mt76_set(dev, MT_WF_PHY_WF2_RFCTRL0(1), MT_WF_PHY_WF2_RFCTRL0_LPBCN_EN); } +EXPORT_SYMBOL_GPL(mt7615_phy_init); static void mt7615_init_mac_chain(struct mt7615_dev *dev, int chain) @@ -77,7 +78,7 @@ mt7615_init_mac_chain(struct mt7615_dev *dev, int chain) } } -static void mt7615_mac_init(struct mt7615_dev *dev) +void mt7615_mac_init(struct mt7615_dev *dev) { int i; @@ -124,6 +125,7 @@ static void mt7615_mac_init(struct mt7615_dev *dev) mt7615_init_mac_chain(dev, 1); } } +EXPORT_SYMBOL_GPL(mt7615_mac_init); bool mt7615_wait_for_mcu_init(struct mt7615_dev *dev) { @@ -131,68 +133,7 @@ bool mt7615_wait_for_mcu_init(struct mt7615_dev *dev) return test_bit(MT76_STATE_MCU_RUNNING, &dev->mphy.state); } - -static void mt7615_init_work(struct work_struct *work) -{ - struct mt7615_dev *dev = container_of(work, struct mt7615_dev, mcu_work); - - if (mt7615_mcu_init(dev)) - return; - - mt7615_mcu_set_eeprom(dev); - mt7615_mac_init(dev); - mt7615_phy_init(dev); - mt7615_mcu_del_wtbl_all(dev); - - if (!mt7615_firmware_offload(dev)) { - struct wiphy *wiphy = mt76_hw(dev)->wiphy; - - dev->ops->hw_scan = NULL; - dev->ops->cancel_hw_scan = NULL; - dev->ops->sched_scan_start = NULL; - dev->ops->sched_scan_stop = NULL; - - wiphy->max_sched_scan_plan_interval = 0; - wiphy->max_sched_scan_ie_len = 0; - wiphy->max_scan_ie_len = IEEE80211_MAX_DATA_LEN; - wiphy->max_sched_scan_ssids = 0; - wiphy->max_match_sets = 0; - wiphy->max_sched_scan_reqs = 0; - } -} - -static int mt7615_init_hardware(struct mt7615_dev *dev) -{ - u32 addr = mt7615_reg_map(dev, MT_EFUSE_BASE); - int ret, idx; - - mt76_wr(dev, MT_INT_SOURCE_CSR, ~0); - - INIT_WORK(&dev->mcu_work, mt7615_init_work); - spin_lock_init(&dev->token_lock); - idr_init(&dev->token); - - ret = mt7615_eeprom_init(dev, addr); - if (ret < 0) - return ret; - - ret = mt7615_dma_init(dev); - if (ret) - return ret; - - set_bit(MT76_STATE_INITIALIZED, &dev->mphy.state); - - /* Beacon and mgmt frames should occupy wcid 0 */ - idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7615_WTBL_STA - 1); - if (idx) - return -ENOSPC; - - dev->mt76.global_wcid.idx = idx; - dev->mt76.global_wcid.hw_key_idx = -1; - rcu_assign_pointer(dev->mt76.wcid[idx], &dev->mt76.global_wcid); - - return 0; -} +EXPORT_SYMBOL_GPL(mt7615_wait_for_mcu_init); #define CCK_RATE(_idx, _rate) { \ .bitrate = _rate, \ @@ -207,7 +148,7 @@ static int mt7615_init_hardware(struct mt7615_dev *dev) .hw_value_short = (MT_PHY_TYPE_OFDM << 8) | (_idx), \ } -static struct ieee80211_rate mt7615_rates[] = { +struct ieee80211_rate mt7615_rates[] = { CCK_RATE(0, 10), CCK_RATE(1, 20), CCK_RATE(2, 55), @@ -221,6 +162,7 @@ static struct ieee80211_rate mt7615_rates[] = { OFDM_RATE(8, 480), OFDM_RATE(12, 540), }; +EXPORT_SYMBOL_GPL(mt7615_rates); static const struct ieee80211_iface_limit if_limits[] = { { @@ -246,61 +188,8 @@ static const struct ieee80211_iface_combination if_comb[] = { } }; -static void -mt7615_led_set_config(struct led_classdev *led_cdev, - u8 delay_on, u8 delay_off) -{ - struct mt7615_dev *dev; - struct mt76_dev *mt76; - u32 val, addr; - - mt76 = container_of(led_cdev, struct mt76_dev, led_cdev); - dev = container_of(mt76, struct mt7615_dev, mt76); - val = FIELD_PREP(MT_LED_STATUS_DURATION, 0xffff) | - FIELD_PREP(MT_LED_STATUS_OFF, delay_off) | - FIELD_PREP(MT_LED_STATUS_ON, delay_on); - - addr = mt7615_reg_map(dev, MT_LED_STATUS_0(mt76->led_pin)); - mt76_wr(dev, addr, val); - addr = mt7615_reg_map(dev, MT_LED_STATUS_1(mt76->led_pin)); - mt76_wr(dev, addr, val); - - val = MT_LED_CTRL_REPLAY(mt76->led_pin) | - MT_LED_CTRL_KICK(mt76->led_pin); - if (mt76->led_al) - val |= MT_LED_CTRL_POLARITY(mt76->led_pin); - addr = mt7615_reg_map(dev, MT_LED_CTRL); - mt76_wr(dev, addr, val); -} - -static int -mt7615_led_set_blink(struct led_classdev *led_cdev, - unsigned long *delay_on, - unsigned long *delay_off) -{ - u8 delta_on, delta_off; - - delta_off = max_t(u8, *delay_off / 10, 1); - delta_on = max_t(u8, *delay_on / 10, 1); - - mt7615_led_set_config(led_cdev, delta_on, delta_off); - - return 0; -} - -static void -mt7615_led_set_brightness(struct led_classdev *led_cdev, - enum led_brightness brightness) -{ - if (!brightness) - mt7615_led_set_config(led_cdev, 0, 0xff); - else - mt7615_led_set_config(led_cdev, 0xff, 0); -} - -static void -mt7615_init_txpower(struct mt7615_dev *dev, - struct ieee80211_supported_band *sband) +void mt7615_init_txpower(struct mt7615_dev *dev, + struct ieee80211_supported_band *sband) { int i, n_chains = hweight8(dev->mphy.antenna_mask), target_chains; u8 *eep = (u8 *)dev->mt76.eeprom.data; @@ -326,6 +215,7 @@ mt7615_init_txpower(struct mt7615_dev *dev, chan->orig_mpwr = target_power; } } +EXPORT_SYMBOL_GPL(mt7615_init_txpower); static void mt7615_regd_notifier(struct wiphy *wiphy, @@ -467,6 +357,7 @@ int mt7615_register_ext_phy(struct mt7615_dev *dev) return ret; } +EXPORT_SYMBOL_GPL(mt7615_register_ext_phy); void mt7615_unregister_ext_phy(struct mt7615_dev *dev) { @@ -480,6 +371,7 @@ void mt7615_unregister_ext_phy(struct mt7615_dev *dev) mt76_unregister_phy(mphy); ieee80211_free_hw(mphy->hw); } +EXPORT_SYMBOL_GPL(mt7615_unregister_ext_phy); void mt7615_init_device(struct mt7615_dev *dev) { @@ -505,64 +397,4 @@ void mt7615_init_device(struct mt7615_dev *dev) mt7615_cap_dbdc_disable(dev); dev->phy.dfs_state = -1; } - -int mt7615_register_device(struct mt7615_dev *dev) -{ - int ret; - - mt7615_init_device(dev); - - /* init led callbacks */ - if (IS_ENABLED(CONFIG_MT76_LEDS)) { - dev->mt76.led_cdev.brightness_set = mt7615_led_set_brightness; - dev->mt76.led_cdev.blink_set = mt7615_led_set_blink; - } - - ret = mt7622_wmac_init(dev); - if (ret) - return ret; - - ret = mt7615_init_hardware(dev); - if (ret) - return ret; - - ret = mt76_register_device(&dev->mt76, true, mt7615_rates, - ARRAY_SIZE(mt7615_rates)); - if (ret) - return ret; - - ieee80211_queue_work(mt76_hw(dev), &dev->mcu_work); - mt7615_init_txpower(dev, &dev->mphy.sband_2g.sband); - mt7615_init_txpower(dev, &dev->mphy.sband_5g.sband); - - return mt7615_init_debugfs(dev); -} - -void mt7615_unregister_device(struct mt7615_dev *dev) -{ - struct mt76_txwi_cache *txwi; - bool mcu_running; - int id; - - mcu_running = mt7615_wait_for_mcu_init(dev); - - mt7615_unregister_ext_phy(dev); - mt76_unregister_device(&dev->mt76); - if (mcu_running) - mt7615_mcu_exit(dev); - mt7615_dma_cleanup(dev); - - spin_lock_bh(&dev->token_lock); - idr_for_each_entry(&dev->token, txwi, id) { - mt7615_txp_skb_unmap(&dev->mt76, txwi); - if (txwi->skb) - dev_kfree_skb_any(txwi->skb); - mt76_put_txwi(&dev->mt76, txwi); - } - spin_unlock_bh(&dev->token_lock); - idr_destroy(&dev->token); - - tasklet_disable(&dev->irq_tasklet); - - mt76_free_device(&dev->mt76); -} +EXPORT_SYMBOL_GPL(mt7615_init_device); diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mac.c b/drivers/net/wireless/mediatek/mt76/mt7615/mac.c index 5614cd691885..adaf52058bc5 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/mac.c @@ -181,7 +181,7 @@ mt7615_get_status_freq_info(struct mt7615_dev *dev, struct mt76_phy *mphy, status->freq = ieee80211_channel_to_frequency(chfreq, status->band); } -int mt7615_mac_fill_rx(struct mt7615_dev *dev, struct sk_buff *skb) +static int mt7615_mac_fill_rx(struct mt7615_dev *dev, struct sk_buff *skb) { struct mt76_rx_status *status = (struct mt76_rx_status *)skb->cb; struct mt76_phy *mphy = &dev->mt76.phy; @@ -424,40 +424,7 @@ int mt7615_mac_fill_rx(struct mt7615_dev *dev, struct sk_buff *skb) void mt7615_sta_ps(struct mt76_dev *mdev, struct ieee80211_sta *sta, bool ps) { } - -void mt7615_tx_complete_skb(struct mt76_dev *mdev, enum mt76_txq_id qid, - struct mt76_queue_entry *e) -{ - if (!e->txwi) { - dev_kfree_skb_any(e->skb); - return; - } - - /* error path */ - if (e->skb == DMA_DUMMY_DATA) { - struct mt76_txwi_cache *t; - struct mt7615_dev *dev; - struct mt7615_txp_common *txp; - u16 token; - - dev = container_of(mdev, struct mt7615_dev, mt76); - txp = mt7615_txwi_to_txp(mdev, e->txwi); - - if (is_mt7615(&dev->mt76)) - token = le16_to_cpu(txp->fw.token); - else - token = le16_to_cpu(txp->hw.msdu_id[0]) & - ~MT_MSDU_ID_VALID; - - spin_lock_bh(&dev->token_lock); - t = idr_remove(&dev->token, token); - spin_unlock_bh(&dev->token_lock); - e->skb = t ? t->skb : NULL; - } - - if (e->skb) - mt76_tx_complete_skb(mdev, e->skb); -} +EXPORT_SYMBOL_GPL(mt7615_sta_ps); static u16 mt7615_mac_tx_rate_val(struct mt7615_dev *dev, @@ -672,6 +639,7 @@ int mt7615_mac_write_txwi(struct mt7615_dev *dev, __le32 *txwi, return 0; } +EXPORT_SYMBOL_GPL(mt7615_mac_write_txwi); static void mt7615_txp_skb_unmap_fw(struct mt76_dev *dev, struct mt7615_fw_txp *txp) @@ -725,6 +693,7 @@ void mt7615_txp_skb_unmap(struct mt76_dev *dev, else mt7615_txp_skb_unmap_hw(dev, &txp->hw); } +EXPORT_SYMBOL_GPL(mt7615_txp_skb_unmap); bool mt7615_mac_wtbl_update(struct mt7615_dev *dev, int idx, u32 mask) { @@ -810,6 +779,7 @@ void mt7615_mac_sta_poll(struct mt7615_dev *dev) rcu_read_unlock(); } +EXPORT_SYMBOL_GPL(mt7615_mac_sta_poll); static void mt7615_mac_update_rate_desc(struct mt7615_phy *phy, struct mt7615_sta *sta, @@ -965,6 +935,7 @@ void mt7615_mac_set_rates(struct mt7615_phy *phy, struct mt7615_sta *sta, sta->rate_count = 2 * MT7615_RATE_RETRY * n_rates; sta->wcid.tx_info |= MT_WCID_TX_INFO_SET; } +EXPORT_SYMBOL_GPL(mt7615_mac_set_rates); int mt7615_mac_wtbl_update_key(struct mt7615_dev *dev, struct mt76_wcid *wcid, @@ -1102,141 +1073,6 @@ int mt7615_mac_wtbl_set_key(struct mt7615_dev *dev, return err; } -static void -mt7615_write_hw_txp(struct mt7615_dev *dev, struct mt76_tx_info *tx_info, - void *txp_ptr, u32 id) -{ - struct mt7615_hw_txp *txp = txp_ptr; - struct mt7615_txp_ptr *ptr = &txp->ptr[0]; - int i, nbuf = tx_info->nbuf - 1; - u32 last_mask; - - tx_info->buf[0].len = MT_TXD_SIZE + sizeof(*txp); - tx_info->nbuf = 1; - - txp->msdu_id[0] = cpu_to_le16(id | MT_MSDU_ID_VALID); - - if (is_mt7663(&dev->mt76)) - last_mask = MT_TXD_LEN_LAST; - else - last_mask = MT_TXD_LEN_AMSDU_LAST | - MT_TXD_LEN_MSDU_LAST; - - for (i = 0; i < nbuf; i++) { - u16 len = tx_info->buf[i + 1].len & MT_TXD_LEN_MASK; - u32 addr = tx_info->buf[i + 1].addr; - - if (i == nbuf - 1) - len |= last_mask; - - if (i & 1) { - ptr->buf1 = cpu_to_le32(addr); - ptr->len1 = cpu_to_le16(len); - ptr++; - } else { - ptr->buf0 = cpu_to_le32(addr); - ptr->len0 = cpu_to_le16(len); - } - } -} - -static void -mt7615_write_fw_txp(struct mt7615_dev *dev, struct mt76_tx_info *tx_info, - void *txp_ptr, u32 id) -{ - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)tx_info->skb->data; - struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx_info->skb); - struct ieee80211_key_conf *key = info->control.hw_key; - struct ieee80211_vif *vif = info->control.vif; - struct mt7615_fw_txp *txp = txp_ptr; - int nbuf = tx_info->nbuf - 1; - int i; - - for (i = 0; i < nbuf; i++) { - txp->buf[i] = cpu_to_le32(tx_info->buf[i + 1].addr); - txp->len[i] = cpu_to_le16(tx_info->buf[i + 1].len); - } - txp->nbuf = nbuf; - - /* pass partial skb header to fw */ - tx_info->buf[0].len = MT_TXD_SIZE + sizeof(*txp); - tx_info->buf[1].len = MT_CT_PARSE_LEN; - tx_info->nbuf = MT_CT_DMA_BUF_NUM; - - txp->flags = cpu_to_le16(MT_CT_INFO_APPLY_TXD); - - if (!key) - txp->flags |= cpu_to_le16(MT_CT_INFO_NONE_CIPHER_FRAME); - - if (ieee80211_is_mgmt(hdr->frame_control)) - txp->flags |= cpu_to_le16(MT_CT_INFO_MGMT_FRAME); - - if (vif) { - struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv; - - txp->bss_idx = mvif->idx; - } - - txp->token = cpu_to_le16(id); - txp->rept_wds_wcid = 0xff; -} - -int mt7615_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr, - enum mt76_txq_id qid, struct mt76_wcid *wcid, - struct ieee80211_sta *sta, - struct mt76_tx_info *tx_info) -{ - struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76); - struct mt7615_sta *msta = container_of(wcid, struct mt7615_sta, wcid); - struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx_info->skb); - struct ieee80211_key_conf *key = info->control.hw_key; - int pid, id; - u8 *txwi = (u8 *)txwi_ptr; - struct mt76_txwi_cache *t; - void *txp; - - if (!wcid) - wcid = &dev->mt76.global_wcid; - - pid = mt76_tx_status_skb_add(mdev, wcid, tx_info->skb); - - if (info->flags & IEEE80211_TX_CTL_RATE_CTRL_PROBE) { - struct mt7615_phy *phy = &dev->phy; - - if ((info->hw_queue & MT_TX_HW_QUEUE_EXT_PHY) && mdev->phy2) - phy = mdev->phy2->priv; - - spin_lock_bh(&dev->mt76.lock); - mt7615_mac_set_rates(phy, msta, &info->control.rates[0], - msta->rates); - msta->rate_probe = true; - spin_unlock_bh(&dev->mt76.lock); - } - - t = (struct mt76_txwi_cache *)(txwi + mdev->drv->txwi_size); - t->skb = tx_info->skb; - - spin_lock_bh(&dev->token_lock); - id = idr_alloc(&dev->token, t, 0, MT7615_TOKEN_SIZE, GFP_ATOMIC); - spin_unlock_bh(&dev->token_lock); - if (id < 0) - return id; - - mt7615_mac_write_txwi(dev, txwi_ptr, tx_info->skb, wcid, sta, - pid, key, false); - - txp = txwi + MT_TXD_SIZE; - memset(txp, 0, sizeof(struct mt7615_txp_common)); - if (is_mt7615(&dev->mt76)) - mt7615_write_fw_txp(dev, tx_info, txp, id); - else - mt7615_write_hw_txp(dev, tx_info, txp, id); - - tx_info->skb = DMA_DUMMY_DATA; - - return 0; -} - static bool mt7615_fill_txs(struct mt7615_dev *dev, struct mt7615_sta *sta, struct ieee80211_tx_info *info, __le32 *txs_data) { @@ -1414,7 +1250,7 @@ static bool mt7615_mac_add_txs_skb(struct mt7615_dev *dev, return !!skb; } -void mt7615_mac_add_txs(struct mt7615_dev *dev, void *data) +static void mt7615_mac_add_txs(struct mt7615_dev *dev, void *data) { struct ieee80211_tx_info info = {}; struct ieee80211_sta *sta = NULL; @@ -1491,7 +1327,7 @@ mt7615_mac_tx_free_token(struct mt7615_dev *dev, u16 token) mt76_put_txwi(mdev, txwi); } -void mt7615_mac_tx_free(struct mt7615_dev *dev, struct sk_buff *skb) +static void mt7615_mac_tx_free(struct mt7615_dev *dev, struct sk_buff *skb) { struct mt7615_tx_free *free = (struct mt7615_tx_free *)skb->data; u8 i, count; @@ -1512,6 +1348,46 @@ void mt7615_mac_tx_free(struct mt7615_dev *dev, struct sk_buff *skb) dev_kfree_skb(skb); } +void mt7615_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q, + struct sk_buff *skb) +{ + struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76); + __le32 *rxd = (__le32 *)skb->data; + __le32 *end = (__le32 *)&skb->data[skb->len]; + enum rx_pkt_type type; + u16 flag; + + type = FIELD_GET(MT_RXD0_PKT_TYPE, le32_to_cpu(rxd[0])); + flag = FIELD_GET(MT_RXD0_PKT_FLAG, le32_to_cpu(rxd[0])); + if (type == PKT_TYPE_RX_EVENT && flag == 0x1) + type = PKT_TYPE_NORMAL_MCU; + + switch (type) { + case PKT_TYPE_TXS: + for (rxd++; rxd + 7 <= end; rxd += 7) + mt7615_mac_add_txs(dev, rxd); + dev_kfree_skb(skb); + break; + case PKT_TYPE_TXRX_NOTIFY: + mt7615_mac_tx_free(dev, skb); + break; + case PKT_TYPE_RX_EVENT: + mt7615_mcu_rx_event(dev, skb); + break; + case PKT_TYPE_NORMAL_MCU: + case PKT_TYPE_NORMAL: + if (!mt7615_mac_fill_rx(dev, skb)) { + mt76_rx(&dev->mt76, q, skb); + return; + } + /* fall through */ + default: + dev_kfree_skb(skb); + break; + } +} +EXPORT_SYMBOL_GPL(mt7615_queue_rx_skb); + static void mt7615_mac_set_default_sensitivity(struct mt7615_phy *phy) { @@ -1764,6 +1640,7 @@ void mt7615_update_channel(struct mt76_dev *mdev) /* reset obss airtime */ mt76_set(dev, MT_WF_RMAC_MIB_TIME0, MT_WF_RMAC_MIB_RXTIME_CLR); } +EXPORT_SYMBOL_GPL(mt7615_update_channel); static void mt7615_mac_update_mib_stats(struct mt7615_phy *phy) diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/main.c b/drivers/net/wireless/mediatek/mt76/mt7615/main.c index 33f67c7ccbf8..5777e5e62ef0 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/main.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/main.c @@ -4,11 +4,10 @@ * Author: Roy Luo * Ryder Lee * Felix Fietkau + * Lorenzo Bianconi */ #include -#include -#include #include #include "mt7615.h" #include "mcu.h" @@ -496,6 +495,7 @@ int mt7615_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif, return 0; } +EXPORT_SYMBOL_GPL(mt7615_mac_sta_add); void mt7615_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif, struct ieee80211_sta *sta) @@ -512,6 +512,7 @@ void mt7615_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif, list_del_init(&msta->poll_list); spin_unlock_bh(&dev->sta_poll_lock); } +EXPORT_SYMBOL_GPL(mt7615_mac_sta_remove); static void mt7615_sta_rate_tbl_update(struct ieee80211_hw *hw, struct ieee80211_vif *vif, @@ -832,31 +833,6 @@ const struct ieee80211_ops mt7615_ops = { .sched_scan_start = mt7615_start_sched_scan, .sched_scan_stop = mt7615_stop_sched_scan, }; +EXPORT_SYMBOL_GPL(mt7615_ops); -static int __init mt7615_init(void) -{ - int ret; - - ret = pci_register_driver(&mt7615_pci_driver); - if (ret) - return ret; - - if (IS_ENABLED(CONFIG_MT7622_WMAC)) { - ret = platform_driver_register(&mt7622_wmac_driver); - if (ret) - pci_unregister_driver(&mt7615_pci_driver); - } - - return ret; -} - -static void __exit mt7615_exit(void) -{ - if (IS_ENABLED(CONFIG_MT7622_WMAC)) - platform_driver_unregister(&mt7622_wmac_driver); - pci_unregister_driver(&mt7615_pci_driver); -} - -module_init(mt7615_init); -module_exit(mt7615_exit); MODULE_LICENSE("Dual BSD/GPL"); diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c index f2f9e0c4cc1d..73d9e6c368a1 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c @@ -152,6 +152,7 @@ void mt7615_mcu_fill_msg(struct mt7615_dev *dev, struct sk_buff *skb, break; } } +EXPORT_SYMBOL_GPL(mt7615_mcu_fill_msg); static int __mt7615_mcu_msg_send(struct mt7615_dev *dev, struct sk_buff *skb, int cmd, int *wait_seq) @@ -215,6 +216,7 @@ int mt7615_mcu_wait_response(struct mt7615_dev *dev, int cmd, int seq) return ret; } +EXPORT_SYMBOL_GPL(mt7615_mcu_wait_response); static int mt7615_mcu_send_message(struct mt76_dev *mdev, struct sk_buff *skb, @@ -238,9 +240,8 @@ mt7615_mcu_send_message(struct mt76_dev *mdev, struct sk_buff *skb, return ret; } -static int -mt7615_mcu_msg_send(struct mt76_dev *mdev, int cmd, const void *data, - int len, bool wait_resp) +int mt7615_mcu_msg_send(struct mt76_dev *mdev, int cmd, const void *data, + int len, bool wait_resp) { struct sk_buff *skb; @@ -250,6 +251,7 @@ mt7615_mcu_msg_send(struct mt76_dev *mdev, int cmd, const void *data, return __mt76_mcu_skb_send_msg(mdev, skb, cmd, wait_resp); } +EXPORT_SYMBOL_GPL(mt7615_mcu_msg_send); static void mt7615_mcu_csa_finish(void *priv, u8 *mac, struct ieee80211_vif *vif) @@ -1629,11 +1631,12 @@ static int mt7615_mcu_start_firmware(struct mt7615_dev *dev, u32 addr, &req, sizeof(req), true); } -static int mt7615_mcu_restart(struct mt76_dev *dev) +int mt7615_mcu_restart(struct mt76_dev *dev) { return __mt76_mcu_send_msg(dev, MCU_CMD_RESTART_DL_REQ, NULL, 0, true); } +EXPORT_SYMBOL_GPL(mt7615_mcu_restart); static int mt7615_mcu_patch_sem_ctrl(struct mt7615_dev *dev, bool get) { @@ -2165,6 +2168,7 @@ int mt7615_mcu_init(struct mt7615_dev *dev) return 0; } +EXPORT_SYMBOL_GPL(mt7615_mcu_init); void mt7615_mcu_exit(struct mt7615_dev *dev) { @@ -2172,6 +2176,7 @@ void mt7615_mcu_exit(struct mt7615_dev *dev) mt7615_firmware_own(dev); skb_queue_purge(&dev->mt76.mcu.res_q); } +EXPORT_SYMBOL_GPL(mt7615_mcu_exit); int mt7615_mcu_set_eeprom(struct mt7615_dev *dev) { @@ -2214,6 +2219,7 @@ int mt7615_mcu_set_eeprom(struct mt7615_dev *dev) return __mt76_mcu_skb_send_msg(&dev->mt76, skb, MCU_EXT_CMD_EFUSE_BUFFER_MODE, true); } +EXPORT_SYMBOL_GPL(mt7615_mcu_set_eeprom); int mt7615_mcu_set_mac_enable(struct mt7615_dev *dev, int band, bool enable) { @@ -2355,6 +2361,7 @@ int mt7615_mcu_del_wtbl_all(struct mt7615_dev *dev) return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_WTBL_UPDATE, &req, sizeof(req), true); } +EXPORT_SYMBOL_GPL(mt7615_mcu_del_wtbl_all); int mt7615_mcu_rdd_cmd(struct mt7615_dev *dev, enum mt7615_rdd_cmd cmd, u8 index, diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mmio.c b/drivers/net/wireless/mediatek/mt76/mt7615/mmio.c index 58506dc423ab..26a297893da6 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/mmio.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/mmio.c @@ -1,5 +1,7 @@ #include #include +#include +#include #include "mt7615.h" #include "regs.h" @@ -190,3 +192,31 @@ int mt7615_mmio_probe(struct device *pdev, void __iomem *mem_base, ieee80211_free_hw(mt76_hw(dev)); return ret; } + +static int __init mt7615_init(void) +{ + int ret; + + ret = pci_register_driver(&mt7615_pci_driver); + if (ret) + return ret; + + if (IS_ENABLED(CONFIG_MT7622_WMAC)) { + ret = platform_driver_register(&mt7622_wmac_driver); + if (ret) + pci_unregister_driver(&mt7615_pci_driver); + } + + return ret; +} + +static void __exit mt7615_exit(void) +{ + if (IS_ENABLED(CONFIG_MT7622_WMAC)) + platform_driver_unregister(&mt7622_wmac_driver); + pci_unregister_driver(&mt7615_pci_driver); +} + +module_init(mt7615_init); +module_exit(mt7615_exit); +MODULE_LICENSE("Dual BSD/GPL"); diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h b/drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h index 57c9c1ef8ffc..fb891b80718b 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h +++ b/drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h @@ -342,6 +342,7 @@ mt7615_ext_phy(struct mt7615_dev *dev) return phy->priv; } +extern struct ieee80211_rate mt7615_rates[12]; extern const struct ieee80211_ops mt7615_ops; extern const u32 mt7615e_reg_map[__MT_BASE_MAX]; extern const u32 mt7663e_reg_map[__MT_BASE_MAX]; @@ -419,6 +420,12 @@ static inline bool mt7615_firmware_offload(struct mt7615_dev *dev) } void mt7615_scan_work(struct work_struct *work); +void mt7615_init_txpower(struct mt7615_dev *dev, + struct ieee80211_supported_band *sband); +void mt7615_phy_init(struct mt7615_dev *dev); +void mt7615_mac_init(struct mt7615_dev *dev); + +int mt7615_mcu_restart(struct mt76_dev *dev); void mt7615_update_channel(struct mt76_dev *mdev); bool mt7615_mac_wtbl_update(struct mt7615_dev *dev, int idx, u32 mask); void mt7615_mac_reset_counters(struct mt7615_dev *dev); @@ -431,9 +438,6 @@ int mt7615_mac_write_txwi(struct mt7615_dev *dev, __le32 *txwi, struct ieee80211_sta *sta, int pid, struct ieee80211_key_conf *key, bool beacon); void mt7615_mac_set_timing(struct mt7615_phy *phy); -int mt7615_mac_fill_rx(struct mt7615_dev *dev, struct sk_buff *skb); -void mt7615_mac_add_txs(struct mt7615_dev *dev, void *data); -void mt7615_mac_tx_free(struct mt7615_dev *dev, struct sk_buff *skb); int mt7615_mac_wtbl_set_key(struct mt7615_dev *dev, struct mt76_wcid *wcid, struct ieee80211_key_conf *key, enum set_key_cmd cmd); @@ -453,6 +457,8 @@ int mt7615_mac_wtbl_update_key(struct mt7615_dev *dev, void mt7615_mac_reset_work(struct work_struct *work); int mt7615_mcu_wait_response(struct mt7615_dev *dev, int cmd, int seq); +int mt7615_mcu_msg_send(struct mt76_dev *mdev, int cmd, const void *data, + int len, bool wait_resp); int mt7615_mcu_set_dbdc(struct mt7615_dev *dev); int mt7615_mcu_set_eeprom(struct mt7615_dev *dev); int mt7615_mcu_set_mac_enable(struct mt7615_dev *dev, int band, bool enable); diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/pci_init.c b/drivers/net/wireless/mediatek/mt76/mt7615/pci_init.c new file mode 100644 index 000000000000..3a8dd334b53e --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt7615/pci_init.c @@ -0,0 +1,189 @@ +// SPDX-License-Identifier: ISC +/* Copyright (C) 2019 MediaTek Inc. + * + * Author: Roy Luo + * Ryder Lee + * Felix Fietkau + * Lorenzo Bianconi + */ + +#include +#include "mt7615.h" +#include "mac.h" +#include "eeprom.h" + +static void mt7615_init_work(struct work_struct *work) +{ + struct mt7615_dev *dev = container_of(work, struct mt7615_dev, + mcu_work); + + if (mt7615_mcu_init(dev)) + return; + + mt7615_mcu_set_eeprom(dev); + mt7615_mac_init(dev); + mt7615_phy_init(dev); + mt7615_mcu_del_wtbl_all(dev); + + if (!mt7615_firmware_offload(dev)) { + struct wiphy *wiphy = mt76_hw(dev)->wiphy; + + dev->ops->hw_scan = NULL; + dev->ops->cancel_hw_scan = NULL; + dev->ops->sched_scan_start = NULL; + dev->ops->sched_scan_stop = NULL; + + wiphy->max_sched_scan_plan_interval = 0; + wiphy->max_sched_scan_ie_len = 0; + wiphy->max_scan_ie_len = IEEE80211_MAX_DATA_LEN; + wiphy->max_sched_scan_ssids = 0; + wiphy->max_match_sets = 0; + wiphy->max_sched_scan_reqs = 0; + } +} + +static int mt7615_init_hardware(struct mt7615_dev *dev) +{ + u32 addr = mt7615_reg_map(dev, MT_EFUSE_BASE); + int ret, idx; + + mt76_wr(dev, MT_INT_SOURCE_CSR, ~0); + + INIT_WORK(&dev->mcu_work, mt7615_init_work); + spin_lock_init(&dev->token_lock); + idr_init(&dev->token); + + ret = mt7615_eeprom_init(dev, addr); + if (ret < 0) + return ret; + + ret = mt7615_dma_init(dev); + if (ret) + return ret; + + set_bit(MT76_STATE_INITIALIZED, &dev->mphy.state); + + /* Beacon and mgmt frames should occupy wcid 0 */ + idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7615_WTBL_STA - 1); + if (idx) + return -ENOSPC; + + dev->mt76.global_wcid.idx = idx; + dev->mt76.global_wcid.hw_key_idx = -1; + rcu_assign_pointer(dev->mt76.wcid[idx], &dev->mt76.global_wcid); + + return 0; +} + +static void +mt7615_led_set_config(struct led_classdev *led_cdev, + u8 delay_on, u8 delay_off) +{ + struct mt7615_dev *dev; + struct mt76_dev *mt76; + u32 val, addr; + + mt76 = container_of(led_cdev, struct mt76_dev, led_cdev); + dev = container_of(mt76, struct mt7615_dev, mt76); + val = FIELD_PREP(MT_LED_STATUS_DURATION, 0xffff) | + FIELD_PREP(MT_LED_STATUS_OFF, delay_off) | + FIELD_PREP(MT_LED_STATUS_ON, delay_on); + + addr = mt7615_reg_map(dev, MT_LED_STATUS_0(mt76->led_pin)); + mt76_wr(dev, addr, val); + addr = mt7615_reg_map(dev, MT_LED_STATUS_1(mt76->led_pin)); + mt76_wr(dev, addr, val); + + val = MT_LED_CTRL_REPLAY(mt76->led_pin) | + MT_LED_CTRL_KICK(mt76->led_pin); + if (mt76->led_al) + val |= MT_LED_CTRL_POLARITY(mt76->led_pin); + addr = mt7615_reg_map(dev, MT_LED_CTRL); + mt76_wr(dev, addr, val); +} + +static int +mt7615_led_set_blink(struct led_classdev *led_cdev, + unsigned long *delay_on, + unsigned long *delay_off) +{ + u8 delta_on, delta_off; + + delta_off = max_t(u8, *delay_off / 10, 1); + delta_on = max_t(u8, *delay_on / 10, 1); + + mt7615_led_set_config(led_cdev, delta_on, delta_off); + + return 0; +} + +static void +mt7615_led_set_brightness(struct led_classdev *led_cdev, + enum led_brightness brightness) +{ + if (!brightness) + mt7615_led_set_config(led_cdev, 0, 0xff); + else + mt7615_led_set_config(led_cdev, 0xff, 0); +} + +int mt7615_register_device(struct mt7615_dev *dev) +{ + int ret; + + mt7615_init_device(dev); + + /* init led callbacks */ + if (IS_ENABLED(CONFIG_MT76_LEDS)) { + dev->mt76.led_cdev.brightness_set = mt7615_led_set_brightness; + dev->mt76.led_cdev.blink_set = mt7615_led_set_blink; + } + + ret = mt7622_wmac_init(dev); + if (ret) + return ret; + + ret = mt7615_init_hardware(dev); + if (ret) + return ret; + + ret = mt76_register_device(&dev->mt76, true, mt7615_rates, + ARRAY_SIZE(mt7615_rates)); + if (ret) + return ret; + + ieee80211_queue_work(mt76_hw(dev), &dev->mcu_work); + mt7615_init_txpower(dev, &dev->mphy.sband_2g.sband); + mt7615_init_txpower(dev, &dev->mphy.sband_5g.sband); + + return mt7615_init_debugfs(dev); +} + +void mt7615_unregister_device(struct mt7615_dev *dev) +{ + struct mt76_txwi_cache *txwi; + bool mcu_running; + int id; + + mcu_running = mt7615_wait_for_mcu_init(dev); + + mt7615_unregister_ext_phy(dev); + mt76_unregister_device(&dev->mt76); + if (mcu_running) + mt7615_mcu_exit(dev); + mt7615_dma_cleanup(dev); + + spin_lock_bh(&dev->token_lock); + idr_for_each_entry(&dev->token, txwi, id) { + mt7615_txp_skb_unmap(&dev->mt76, txwi); + if (txwi->skb) + dev_kfree_skb_any(txwi->skb); + mt76_put_txwi(&dev->mt76, txwi); + } + spin_unlock_bh(&dev->token_lock); + idr_destroy(&dev->token); + + tasklet_disable(&dev->irq_tasklet); + + mt76_free_device(&dev->mt76); +} diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/pci_mac.c b/drivers/net/wireless/mediatek/mt76/mt7615/pci_mac.c new file mode 100644 index 000000000000..7ec91c0856f5 --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt7615/pci_mac.c @@ -0,0 +1,184 @@ +// SPDX-License-Identifier: ISC +/* Copyright (C) 2020 MediaTek Inc. + * + * Author: Ryder Lee + * Roy Luo + * Felix Fietkau + * Lorenzo Bianconi + */ + +#include +#include + +#include "mt7615.h" +#include "../dma.h" +#include "mac.h" + +void mt7615_tx_complete_skb(struct mt76_dev *mdev, enum mt76_txq_id qid, + struct mt76_queue_entry *e) +{ + if (!e->txwi) { + dev_kfree_skb_any(e->skb); + return; + } + + /* error path */ + if (e->skb == DMA_DUMMY_DATA) { + struct mt76_txwi_cache *t; + struct mt7615_dev *dev; + struct mt7615_txp_common *txp; + u16 token; + + dev = container_of(mdev, struct mt7615_dev, mt76); + txp = mt7615_txwi_to_txp(mdev, e->txwi); + + if (is_mt7615(&dev->mt76)) + token = le16_to_cpu(txp->fw.token); + else + token = le16_to_cpu(txp->hw.msdu_id[0]) & + ~MT_MSDU_ID_VALID; + + spin_lock_bh(&dev->token_lock); + t = idr_remove(&dev->token, token); + spin_unlock_bh(&dev->token_lock); + e->skb = t ? t->skb : NULL; + } + + if (e->skb) + mt76_tx_complete_skb(mdev, e->skb); +} + +static void +mt7615_write_hw_txp(struct mt7615_dev *dev, struct mt76_tx_info *tx_info, + void *txp_ptr, u32 id) +{ + struct mt7615_hw_txp *txp = txp_ptr; + struct mt7615_txp_ptr *ptr = &txp->ptr[0]; + int i, nbuf = tx_info->nbuf - 1; + u32 last_mask; + + tx_info->buf[0].len = MT_TXD_SIZE + sizeof(*txp); + tx_info->nbuf = 1; + + txp->msdu_id[0] = cpu_to_le16(id | MT_MSDU_ID_VALID); + + if (is_mt7663(&dev->mt76)) + last_mask = MT_TXD_LEN_LAST; + else + last_mask = MT_TXD_LEN_AMSDU_LAST | + MT_TXD_LEN_MSDU_LAST; + + for (i = 0; i < nbuf; i++) { + u16 len = tx_info->buf[i + 1].len & MT_TXD_LEN_MASK; + u32 addr = tx_info->buf[i + 1].addr; + + if (i == nbuf - 1) + len |= last_mask; + + if (i & 1) { + ptr->buf1 = cpu_to_le32(addr); + ptr->len1 = cpu_to_le16(len); + ptr++; + } else { + ptr->buf0 = cpu_to_le32(addr); + ptr->len0 = cpu_to_le16(len); + } + } +} + +static void +mt7615_write_fw_txp(struct mt7615_dev *dev, struct mt76_tx_info *tx_info, + void *txp_ptr, u32 id) +{ + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)tx_info->skb->data; + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx_info->skb); + struct ieee80211_key_conf *key = info->control.hw_key; + struct ieee80211_vif *vif = info->control.vif; + struct mt7615_fw_txp *txp = txp_ptr; + int nbuf = tx_info->nbuf - 1; + int i; + + for (i = 0; i < nbuf; i++) { + txp->buf[i] = cpu_to_le32(tx_info->buf[i + 1].addr); + txp->len[i] = cpu_to_le16(tx_info->buf[i + 1].len); + } + txp->nbuf = nbuf; + + /* pass partial skb header to fw */ + tx_info->buf[0].len = MT_TXD_SIZE + sizeof(*txp); + tx_info->buf[1].len = MT_CT_PARSE_LEN; + tx_info->nbuf = MT_CT_DMA_BUF_NUM; + + txp->flags = cpu_to_le16(MT_CT_INFO_APPLY_TXD); + + if (!key) + txp->flags |= cpu_to_le16(MT_CT_INFO_NONE_CIPHER_FRAME); + + if (ieee80211_is_mgmt(hdr->frame_control)) + txp->flags |= cpu_to_le16(MT_CT_INFO_MGMT_FRAME); + + if (vif) { + struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv; + + txp->bss_idx = mvif->idx; + } + + txp->token = cpu_to_le16(id); + txp->rept_wds_wcid = 0xff; +} + +int mt7615_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr, + enum mt76_txq_id qid, struct mt76_wcid *wcid, + struct ieee80211_sta *sta, + struct mt76_tx_info *tx_info) +{ + struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76); + struct mt7615_sta *msta = container_of(wcid, struct mt7615_sta, wcid); + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx_info->skb); + struct ieee80211_key_conf *key = info->control.hw_key; + int pid, id; + u8 *txwi = (u8 *)txwi_ptr; + struct mt76_txwi_cache *t; + void *txp; + + if (!wcid) + wcid = &dev->mt76.global_wcid; + + pid = mt76_tx_status_skb_add(mdev, wcid, tx_info->skb); + + if (info->flags & IEEE80211_TX_CTL_RATE_CTRL_PROBE) { + struct mt7615_phy *phy = &dev->phy; + + if ((info->hw_queue & MT_TX_HW_QUEUE_EXT_PHY) && mdev->phy2) + phy = mdev->phy2->priv; + + spin_lock_bh(&dev->mt76.lock); + mt7615_mac_set_rates(phy, msta, &info->control.rates[0], + msta->rates); + msta->rate_probe = true; + spin_unlock_bh(&dev->mt76.lock); + } + + t = (struct mt76_txwi_cache *)(txwi + mdev->drv->txwi_size); + t->skb = tx_info->skb; + + spin_lock_bh(&dev->token_lock); + id = idr_alloc(&dev->token, t, 0, MT7615_TOKEN_SIZE, GFP_ATOMIC); + spin_unlock_bh(&dev->token_lock); + if (id < 0) + return id; + + mt7615_mac_write_txwi(dev, txwi_ptr, tx_info->skb, wcid, sta, + pid, key, false); + + txp = txwi + MT_TXD_SIZE; + memset(txp, 0, sizeof(struct mt7615_txp_common)); + if (is_mt7615(&dev->mt76)) + mt7615_write_fw_txp(dev, tx_info, txp, id); + else + mt7615_write_hw_txp(dev, tx_info, txp, id); + + tx_info->skb = DMA_DUMMY_DATA; + + return 0; +} -- 2.25.2