diff mbox

[11/11] rtlwifi: rtl_pci: Fix the bug when inactiveps is enabled.

Message ID 20171101152926.24971-12-Larry.Finger@lwfinger.net (mailing list archive)
State Changes Requested
Delegated to: Kalle Valo
Headers show

Commit Message

Larry Finger Nov. 1, 2017, 3:29 p.m. UTC 
From: Tsang-Shian Lin <thlin@realtek.com>

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 <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>
---
 drivers/net/wireless/realtek/rtlwifi/pci.c | 7 +++++++
 1 file changed, 7 insertions(+)
diff mbox

Patch

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);