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[149.6.153.186]) by smtp.gmail.com with ESMTPSA id b2-v6sm5057600wru.51.2018.10.01.09.58.27 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Mon, 01 Oct 2018 09:58:28 -0700 (PDT) From: Lorenzo Bianconi To: nbd@nbd.name Cc: sgruszka@redhat.com, linux-wireless@vger.kernel.org Subject: [PATCH 4/4] mt76: usb: use mt76x02u_tx_prepare_skb to fill txwi Date: Mon, 1 Oct 2018 18:58:20 +0200 Message-Id: X-Mailer: git-send-email 2.17.1 In-Reply-To: References: Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Use mt76x02u_tx_prepare_skb routine to fill txwi in mt76x2u and mt76x0u driver and remove duplicated code. Moreover add static qualifier to mt76x02_mac_tx_rate_val and mt76x02_mac_fill_txwi routines Signed-off-by: Lorenzo Bianconi --- .../wireless/mediatek/mt76/mt76x0/mt76x0.h | 5 -- .../net/wireless/mediatek/mt76/mt76x0/tx.c | 38 -------------- .../net/wireless/mediatek/mt76/mt76x0/usb.c | 17 +----- .../net/wireless/mediatek/mt76/mt76x02_mac.c | 9 ++-- .../net/wireless/mediatek/mt76/mt76x02_mac.h | 5 -- .../net/wireless/mediatek/mt76/mt76x02_usb.h | 5 +- .../wireless/mediatek/mt76/mt76x02_usb_core.c | 38 +++++++++++++- .../wireless/mediatek/mt76/mt76x2/Makefile | 2 +- .../wireless/mediatek/mt76/mt76x2/mt76x2u.h | 4 -- .../wireless/mediatek/mt76/mt76x2/usb_core.c | 52 ------------------- .../wireless/mediatek/mt76/mt76x2/usb_init.c | 3 +- 11 files changed, 48 insertions(+), 130 deletions(-) delete mode 100644 drivers/net/wireless/mediatek/mt76/mt76x2/usb_core.c diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/mt76x0.h b/drivers/net/wireless/mediatek/mt76/mt76x0/mt76x0.h index a37dbf944b15..e54468af6ba7 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x0/mt76x0.h +++ b/drivers/net/wireless/mediatek/mt76/mt76x0/mt76x0.h @@ -168,11 +168,6 @@ void mt76x0_mac_set_ampdu_factor(struct mt76x0_dev *dev); /* TX */ void mt76x0_tx(struct ieee80211_hw *hw, struct ieee80211_tx_control *control, struct sk_buff *skb); -struct mt76x02_txwi * -mt76x0_push_txwi(struct mt76x0_dev *dev, struct sk_buff *skb, - struct ieee80211_sta *sta, struct mt76_wcid *wcid, - int pkt_len); - void mt76x0_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q, struct sk_buff *skb); diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/tx.c b/drivers/net/wireless/mediatek/mt76/mt76x0/tx.c index b3c5dc2ffeb1..79c0b3ba1ccb 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x0/tx.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x0/tx.c @@ -17,44 +17,6 @@ #include "../mt76x02_util.h" #include "../mt76x02_usb.h" -struct mt76x02_txwi * -mt76x0_push_txwi(struct mt76x0_dev *dev, struct sk_buff *skb, - struct ieee80211_sta *sta, struct mt76_wcid *wcid, - int pkt_len) -{ - struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); - struct ieee80211_tx_rate *rate = &info->control.rates[0]; - struct mt76x02_txwi *txwi; - unsigned long flags; - u16 rate_ctl; - u8 nss; - - txwi = (struct mt76x02_txwi *)skb_push(skb, sizeof(struct mt76x02_txwi)); - memset(txwi, 0, sizeof(*txwi)); - - if (!wcid->tx_rate_set) - ieee80211_get_tx_rates(info->control.vif, sta, skb, - info->control.rates, 1); - - spin_lock_irqsave(&dev->mt76.lock, flags); - if (rate->idx < 0 || !rate->count) { - rate_ctl = wcid->tx_rate; - nss = wcid->tx_rate_nss; - } else { - rate_ctl = mt76x02_mac_tx_rate_val(&dev->mt76, rate, &nss); - } - spin_unlock_irqrestore(&dev->mt76.lock, flags); - - txwi->wcid = wcid->idx; - txwi->rate = cpu_to_le16(rate_ctl); - txwi->pktid = (!(info->flags & IEEE80211_TX_CTL_NO_ACK)) ? 1 : 0; - - mt76x02_mac_fill_txwi(txwi, skb, sta, pkt_len, nss); - - return txwi; -} -EXPORT_SYMBOL_GPL(mt76x0_push_txwi); - void mt76x0_tx(struct ieee80211_hw *hw, struct ieee80211_tx_control *control, struct sk_buff *skb) { diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/usb.c b/drivers/net/wireless/mediatek/mt76/mt76x0/usb.c index a76043213f55..42c996067d9e 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x0/usb.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x0/usb.c @@ -159,21 +159,6 @@ static const struct ieee80211_ops mt76x0u_ops = { .wake_tx_queue = mt76_wake_tx_queue, }; -static int mt76x0u_tx_prepare_skb(struct mt76_dev *mdev, void *data, - struct sk_buff *skb, struct mt76_queue *q, - struct mt76_wcid *wcid, struct ieee80211_sta *sta, - u32 *tx_info) -{ - struct mt76x0_dev *dev = container_of(mdev, struct mt76x0_dev, mt76); - struct mt76x02_txwi *txwi; - int len = skb->len; - - mt76x02_insert_hdr_pad(skb); - txwi = mt76x0_push_txwi(dev, skb, sta, wcid, len); - - return mt76x02u_set_txinfo(skb, wcid, q2ep(q->hw_idx)); -} - static int mt76x0u_register_device(struct mt76x0_dev *dev) { struct ieee80211_hw *hw = dev->mt76.hw; @@ -230,7 +215,7 @@ static int mt76x0u_probe(struct usb_interface *usb_intf, const struct usb_device_id *id) { static const struct mt76_driver_ops drv_ops = { - .tx_prepare_skb = mt76x0u_tx_prepare_skb, + .tx_prepare_skb = mt76x02u_tx_prepare_skb, .tx_complete_skb = mt76x02_tx_complete_skb, .tx_status_data = mt76x02_tx_status_data, .rx_skb = mt76x0_queue_rx_skb, diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_mac.c b/drivers/net/wireless/mediatek/mt76/mt76x02_mac.c index 71d677a6b88a..a02e97665463 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x02_mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x02_mac.c @@ -157,8 +157,9 @@ void mt76x02_txq_init(struct mt76_dev *dev, struct ieee80211_txq *txq) } EXPORT_SYMBOL_GPL(mt76x02_txq_init); -void mt76x02_mac_fill_txwi(struct mt76x02_txwi *txwi, struct sk_buff *skb, - struct ieee80211_sta *sta, int len, u8 nss) +static void +mt76x02_mac_fill_txwi(struct mt76x02_txwi *txwi, struct sk_buff *skb, + struct ieee80211_sta *sta, int len, u8 nss) { struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; @@ -197,9 +198,8 @@ void mt76x02_mac_fill_txwi(struct mt76x02_txwi *txwi, struct sk_buff *skb, txwi->flags |= cpu_to_le16(txwi_flags); txwi->len_ctl = cpu_to_le16(len); } -EXPORT_SYMBOL_GPL(mt76x02_mac_fill_txwi); -__le16 +static __le16 mt76x02_mac_tx_rate_val(struct mt76_dev *dev, const struct ieee80211_tx_rate *rate, u8 *nss_val) { @@ -249,7 +249,6 @@ mt76x02_mac_tx_rate_val(struct mt76_dev *dev, *nss_val = nss; return cpu_to_le16(rateval); } -EXPORT_SYMBOL_GPL(mt76x02_mac_tx_rate_val); void mt76x02_mac_wcid_set_rate(struct mt76_dev *dev, struct mt76_wcid *wcid, const struct ieee80211_tx_rate *rate) diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_mac.h b/drivers/net/wireless/mediatek/mt76/mt76x02_mac.h index ddc8057fbbab..8788c54c6c3d 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x02_mac.h +++ b/drivers/net/wireless/mediatek/mt76/mt76x02_mac.h @@ -180,8 +180,6 @@ static inline bool mt76x02_wait_for_mac(struct mt76_dev *dev) } void mt76x02_txq_init(struct mt76_dev *dev, struct ieee80211_txq *txq); -void mt76x02_mac_fill_txwi(struct mt76x02_txwi *txwi, struct sk_buff *skb, - struct ieee80211_sta *sta, int len, u8 nss); enum mt76x02_cipher_type mt76x02_mac_get_key_info(struct ieee80211_key_conf *key, u8 *key_data); @@ -193,9 +191,6 @@ void mt76x02_mac_wcid_setup(struct mt76_dev *dev, u8 idx, u8 vif_idx, u8 *mac); void mt76x02_mac_wcid_set_drop(struct mt76_dev *dev, u8 idx, bool drop); void mt76x02_mac_wcid_set_rate(struct mt76_dev *dev, struct mt76_wcid *wcid, const struct ieee80211_tx_rate *rate); -__le16 -mt76x02_mac_tx_rate_val(struct mt76_dev *dev, - const struct ieee80211_tx_rate *rate, u8 *nss_val); bool mt76x02_mac_load_tx_status(struct mt76_dev *dev, struct mt76x02_tx_status *stat); void mt76x02_send_tx_status(struct mt76_dev *dev, diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_usb.h b/drivers/net/wireless/mediatek/mt76/mt76x02_usb.h index 2482f9761fcd..f8251c8f3a1b 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x02_usb.h +++ b/drivers/net/wireless/mediatek/mt76/mt76x02_usb.h @@ -25,5 +25,8 @@ int mt76x02u_mcu_fw_send_data(struct mt76_dev *dev, const void *data, int data_len, u32 max_payload, u32 offset); int mt76x02u_skb_dma_info(struct sk_buff *skb, int port, u32 flags); -int mt76x02u_set_txinfo(struct sk_buff *skb, struct mt76_wcid *wcid, u8 ep); +int mt76x02u_tx_prepare_skb(struct mt76_dev *dev, void *data, + struct sk_buff *skb, struct mt76_queue *q, + struct mt76_wcid *wcid, struct ieee80211_sta *sta, + u32 *tx_info); #endif /* __MT76x02_USB_H */ diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_usb_core.c b/drivers/net/wireless/mediatek/mt76/mt76x02_usb_core.c index aecbe0c429ea..dea944b43576 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x02_usb_core.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x02_usb_core.c @@ -16,6 +16,19 @@ #include "mt76.h" #include "mt76x02_dma.h" +#include "mt76x02_mac.h" +#include "mt76x02_util.h" + +static int mt76x02u_check_skb_rooms(struct sk_buff *skb) +{ + int hdr_len = ieee80211_get_hdrlen_from_skb(skb); + u32 need_head; + + need_head = sizeof(struct mt76x02_txwi) + MT_DMA_HDR_LEN; + if (hdr_len % 4) + need_head += 2; + return skb_cow(skb, need_head); +} int mt76x02u_skb_dma_info(struct sk_buff *skb, int port, u32 flags) { @@ -50,7 +63,8 @@ int mt76x02u_skb_dma_info(struct sk_buff *skb, int port, u32 flags) return 0; } -int mt76x02u_set_txinfo(struct sk_buff *skb, struct mt76_wcid *wcid, u8 ep) +static int +mt76x02u_set_txinfo(struct sk_buff *skb, struct mt76_wcid *wcid, u8 ep) { struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); enum mt76_qsel qsel; @@ -69,4 +83,24 @@ int mt76x02u_set_txinfo(struct sk_buff *skb, struct mt76_wcid *wcid, u8 ep) return mt76x02u_skb_dma_info(skb, WLAN_PORT, flags); } -EXPORT_SYMBOL_GPL(mt76x02u_set_txinfo); + +int mt76x02u_tx_prepare_skb(struct mt76_dev *dev, void *data, + struct sk_buff *skb, struct mt76_queue *q, + struct mt76_wcid *wcid, struct ieee80211_sta *sta, + u32 *tx_info) +{ + struct mt76x02_txwi *txwi; + int err, len = skb->len; + + err = mt76x02u_check_skb_rooms(skb); + if (err < 0) + return -ENOMEM; + + mt76x02_insert_hdr_pad(skb); + + txwi = skb_push(skb, sizeof(struct mt76x02_txwi)); + mt76x02_mac_write_txwi(dev, txwi, skb, wcid, sta, len); + + return mt76x02u_set_txinfo(skb, wcid, q2ep(q->hw_idx)); +} +EXPORT_SYMBOL_GPL(mt76x02u_tx_prepare_skb); diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2/Makefile b/drivers/net/wireless/mediatek/mt76/mt76x2/Makefile index 2b5a3164274e..560c46e02ec7 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x2/Makefile +++ b/drivers/net/wireless/mediatek/mt76/mt76x2/Makefile @@ -13,6 +13,6 @@ mt76x2e-y := \ mt76x2u-y := \ usb.o usb_init.o usb_main.o usb_mac.o usb_mcu.o \ - usb_phy.o usb_core.o + usb_phy.o CFLAGS_pci_trace.o := -I$(src) diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2/mt76x2u.h b/drivers/net/wireless/mediatek/mt76/mt76x2/mt76x2u.h index 969e8e15fc58..e5d08cc8ca73 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x2/mt76x2u.h +++ b/drivers/net/wireless/mediatek/mt76/mt76x2/mt76x2u.h @@ -55,10 +55,6 @@ int mt76x2u_mcu_fw_init(struct mt76x2_dev *dev); int mt76x2u_alloc_queues(struct mt76x2_dev *dev); void mt76x2u_queues_deinit(struct mt76x2_dev *dev); void mt76x2u_stop_queues(struct mt76x2_dev *dev); -int mt76x2u_tx_prepare_skb(struct mt76_dev *mdev, void *data, - struct sk_buff *skb, struct mt76_queue *q, - struct mt76_wcid *wcid, struct ieee80211_sta *sta, - u32 *tx_info); int mt76x2u_skb_dma_info(struct sk_buff *skb, enum dma_msg_port port, u32 flags); diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2/usb_core.c b/drivers/net/wireless/mediatek/mt76/mt76x2/usb_core.c deleted file mode 100644 index a740f059e8e1..000000000000 --- a/drivers/net/wireless/mediatek/mt76/mt76x2/usb_core.c +++ /dev/null @@ -1,52 +0,0 @@ -/* - * Copyright (C) 2018 Lorenzo Bianconi - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR - * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN - * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF - * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - -#include "mt76x2u.h" -#include "../dma.h" -#include "../mt76x02_util.h" -#include "../mt76x02_usb.h" - -static int -mt76x2u_check_skb_rooms(struct sk_buff *skb) -{ - int hdr_len = ieee80211_get_hdrlen_from_skb(skb); - u32 need_head; - - need_head = sizeof(struct mt76x02_txwi) + MT_DMA_HDR_LEN; - if (hdr_len % 4) - need_head += 2; - return skb_cow(skb, need_head); -} - -int mt76x2u_tx_prepare_skb(struct mt76_dev *mdev, void *data, - struct sk_buff *skb, struct mt76_queue *q, - struct mt76_wcid *wcid, struct ieee80211_sta *sta, - u32 *tx_info) -{ - struct mt76x02_txwi *txwi; - int err, len = skb->len; - - err = mt76x2u_check_skb_rooms(skb); - if (err < 0) - return -ENOMEM; - - mt76x02_insert_hdr_pad(skb); - - txwi = skb_push(skb, sizeof(struct mt76x02_txwi)); - mt76x02_mac_write_txwi(mdev, txwi, skb, wcid, sta, len); - - return mt76x02u_set_txinfo(skb, wcid, q2ep(q->hw_idx)); -} diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2/usb_init.c b/drivers/net/wireless/mediatek/mt76/mt76x2/usb_init.c index 55e0dea568b8..d00c449d13b8 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x2/usb_init.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x2/usb_init.c @@ -20,6 +20,7 @@ #include "../mt76x02_util.h" #include "../mt76x02_phy.h" #include "eeprom.h" +#include "../mt76x02_usb.h" static void mt76x2u_init_dma(struct mt76x2_dev *dev) { @@ -137,7 +138,7 @@ static int mt76x2u_init_eeprom(struct mt76x2_dev *dev) struct mt76x2_dev *mt76x2u_alloc_device(struct device *pdev) { static const struct mt76_driver_ops drv_ops = { - .tx_prepare_skb = mt76x2u_tx_prepare_skb, + .tx_prepare_skb = mt76x02u_tx_prepare_skb, .tx_complete_skb = mt76x02_tx_complete_skb, .tx_status_data = mt76x02_tx_status_data, .rx_skb = mt76x2_queue_rx_skb,