Commit b7573a0a authored Dec 09, 2017 by Tsang-Shian Lin Committed by Kalle Valo Dec 14, 2017

rtlwifi: rtl_pci: Fix the bug when inactiveps is enabled.



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@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Yan-Hsuan Chuang <yhchuang@realtek.com>
Cc: Birming Chiu <birming@realtek.com>
Cc: Shaofu <shaofu@realtek.com>
Cc: Steven Ting <steventing@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

parent e298be2a

drivers/net/wireless/realtek/rtlwifi/pci.c

+7 −0

Original line number	Diff line number	Diff line
		@@ -1555,7 +1555,14 @@ 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);