From: Tsang-Shian Lin <thlin@xxxxxxxxxxx> Reset the driver current tx read/write index to zero when inactiveps nic out of sync with HW state. Wrong driver tx read/write index will cause Tx fail. Signed-off-by: Tsang-Shian Lin <thlin@xxxxxxxxxxx> Signed-off-by: Ping-Ke Shih <pkshih@xxxxxxxxxxx> Signed-off-by: Larry Finger <Larry.Finger@xxxxxxxxxxxx> Cc: Yan-Hsuan Chuang <yhchuang@xxxxxxxxxxx> Cc: Birming Chiu <birming@xxxxxxxxxxx> Cc: Shaofu <shaofu@xxxxxxxxxxx> Cc: Steven Ting <steventing@xxxxxxxxxxx> --- drivers/net/wireless/realtek/rtlwifi/pci.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/net/wireless/realtek/rtlwifi/pci.c b/drivers/net/wireless/realtek/rtlwifi/pci.c index 0bafcefacad0..1f2b04bb7ae4 100644 --- a/drivers/net/wireless/realtek/rtlwifi/pci.c +++ b/drivers/net/wireless/realtek/rtlwifi/pci.c @@ -1557,7 +1557,14 @@ int rtl_pci_reset_trx_ring(struct ieee80211_hw *hw) dev_kfree_skb_irq(skb); ring->idx = (ring->idx + 1) % ring->entries; } + + if (rtlpriv->use_new_trx_flow) { + rtlpci->tx_ring[i].cur_tx_rp = 0; + rtlpci->tx_ring[i].cur_tx_wp = 0; + } + ring->idx = 0; + ring->entries = rtlpci->txringcount[i]; } } spin_unlock_irqrestore(&rtlpriv->locks.irq_th_lock, flags); -- 2.15.1