diff options
| author |   Yan-Hsuan Chuang <yhchuang@realtek.com> | 2019-10-02 14:35:20 +0800 |
|---|---|---|
| committer |   Kalle Valo <kvalo@codeaurora.org> | 2019-10-04 16:44:55 +0300 |
| commit | 3745d3e550d1e6c4301596ac05a5fe82c11301ce (patch) | |
| tree | 0904b12c62c9df0ca6c642640f2d4e6b5f691090 /drivers/net/wireless/realtek/rtw88/main.c | |
| parent | rtw88: allows to set RTS in TX descriptor (diff) | |
| download | linux-dev-3745d3e550d1e6c4301596ac05a5fe82c11301ce.tar.xz linux-dev-3745d3e550d1e6c4301596ac05a5fe82c11301ce.zip | |
rtw88: add driver TX queue support
The mac80211 provides software TX queue for driver, as long as
driver has hooked ieee80211_ops::wake_tx_queue. Each time a
packet is queued onto the TX queue, that queue will be woken
up the inform driver to serve the queue.
Now driver only supports PCI interface ICs, there's no specific
traffic control for each queue, just schedule a tasklet, and
dump all of the packets at once to the DMA ring. Instead of TX
the packets whenever TX queue is woke, tasklet handler can have
more packets dumped to the device, takes advantage of burst
write with DMA engine.
And if the driver is going to support USB/SDIO ICs, the tasklet
can be more flexible for aggregating the packets, enhance the
efficiency of bandwidth usage.
Signed-off-by: Yan-Hsuan Chuang <yhchuang@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/net/wireless/realtek/rtw88/main.c')
| -rw-r--r-- | drivers/net/wireless/realtek/rtw88/main.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtw88/main.c b/drivers/net/wireless/realtek/rtw88/main.c index a3e9f917adef..3a09a5b123a7 100644 --- a/drivers/net/wireless/realtek/rtw88/main.c +++ b/drivers/net/wireless/realtek/rtw88/main.c @@ -12,6 +12,7 @@ #include "phy.h" #include "reg.h" #include "efuse.h" +#include "tx.h" #include "debug.h" unsigned int rtw_fw_lps_deep_mode; @@ -1158,9 +1159,12 @@ int rtw_core_init(struct rtw_dev *rtwdev) int ret; INIT_LIST_HEAD(&rtwdev->rsvd_page_list); + INIT_LIST_HEAD(&rtwdev->txqs); timer_setup(&rtwdev->tx_report.purge_timer, rtw_tx_report_purge_timer, 0); + tasklet_init(&rtwdev->tx_tasklet, rtw_tx_tasklet, + (unsigned long)rtwdev); INIT_DELAYED_WORK(&rtwdev->watch_dog_work, rtw_watch_dog_work); INIT_DELAYED_WORK(&coex->bt_relink_work, rtw_coex_bt_relink_work); @@ -1174,6 +1178,7 @@ int rtw_core_init(struct rtw_dev *rtwdev) spin_lock_init(&rtwdev->dm_lock); spin_lock_init(&rtwdev->rf_lock); spin_lock_init(&rtwdev->h2c.lock); + spin_lock_init(&rtwdev->txq_lock); spin_lock_init(&rtwdev->tx_report.q_lock); mutex_init(&rtwdev->mutex); @@ -1218,6 +1223,7 @@ void rtw_core_deinit(struct rtw_dev *rtwdev) if (fw->firmware) release_firmware(fw->firmware); + tasklet_kill(&rtwdev->tx_tasklet); spin_lock_irqsave(&rtwdev->tx_report.q_lock, flags); skb_queue_purge(&rtwdev->tx_report.queue); spin_unlock_irqrestore(&rtwdev->tx_report.q_lock, flags); @@ -1243,6 +1249,7 @@ int rtw_register_hw(struct rtw_dev *rtwdev, struct ieee80211_hw *hw) hw->extra_tx_headroom = max_tx_headroom; hw->queues = IEEE80211_NUM_ACS; + hw->txq_data_size = sizeof(struct rtw_txq); hw->sta_data_size = sizeof(struct rtw_sta_info); hw->vif_data_size = sizeof(struct rtw_vif); |