From: Tsang-Shian Lin <[email protected]> Reset the driver current tx read/write index to zero when inactiveps nic off to sync with HW state. Wrong driver tx read/write index will cause Tx fail.
Signed-off-by: Tsang-Shian Lin <[email protected]> Signed-off-by: Ping-Ke Shih <[email protected]> Signed-off-by: Larry Finger <[email protected]> Cc: Yan-Hsuan Chuang <[email protected]> Cc: Birming Chiu <[email protected]> Cc: Shaofu <[email protected]> Cc: Steven Ting <[email protected]> --- 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 01c93721eca9..3aa0266a3e04 100644 --- a/drivers/net/wireless/realtek/rtlwifi/pci.c +++ b/drivers/net/wireless/realtek/rtlwifi/pci.c @@ -1558,7 +1558,14 @@ 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); -- 2.14.3
