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drivers/net/{e1000|igc}: do not touch RX/TX rings when link status change

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Do not reset RX/TX rings when link status change.
This can break internal card state which is impossible to recovery.

Signed-off-by: p-szafonimateusz <p-szafonimateusz@xiaomi.com>
This commit is contained in:
p-szafonimateusz
2025-06-03 11:55:28 +02:00
committed by Xiang Xiao
parent bccee707d6
commit 7a8ac49836
2 changed files with 3 additions and 10 deletions
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drivers/net/e1000.c
+1 -5
View File
@@ -757,15 +757,11 @@ static void e1000_link_work(FAR void *arg)
ninfo("Link up, status = 0x%x\n", tmp); ninfo("Link up, status = 0x%x\n", tmp);
netdev_lower_carrier_on(&priv->dev); netdev_lower_carrier_on(&priv->dev);
/* Clear Tx and RX rings */
e1000_txclean(priv);
e1000_rxclean(priv);
} }
else else
{ {
ninfo("Link down\n"); ninfo("Link down\n");
netdev_lower_carrier_off(&priv->dev); netdev_lower_carrier_off(&priv->dev);
} }
} }
drivers/net/igc.c
+2 -5
View File
@@ -711,16 +711,13 @@ static void igc_link_work(FAR void *arg)
if (tmp & IGC_STATUS_LU) if (tmp & IGC_STATUS_LU)
{ {
ninfo("Link up, status = 0x%x\n", tmp); ninfo("Link up, status = 0x%x\n", tmp);
netdev_lower_carrier_on(&priv->dev); netdev_lower_carrier_on(&priv->dev);
/* Clear Tx and RX rings */
igc_txclean(priv);
igc_rxclean(priv);
} }
else else
{ {
ninfo("Link down\n"); ninfo("Link down\n");
netdev_lower_carrier_off(&priv->dev); netdev_lower_carrier_off(&priv->dev);
} }
} }