shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-06-06 10:58:48 +09:00
Code Issues Packages Projects Releases Wiki Activity

net: stmmac: ensure tx function is not running in stmmac_xdp_release()

Browse Source 
[ Upstream commit 77711683a5 ]

When stmmac_xdp_release() is called, there is a possibility that tx
function is still running on other queues which will lead to tx queue
timed out and reset adapter.

This commit ensure that tx function is not running xdp before release
flow continue to run.

Fixes: ac746c8520 ("net: stmmac: enhance XDP ZC driver level switching performance")
Signed-off-by: Song Yoong Siang <yoong.siang.song@intel.com>
Signed-off-by: Mohd Faizal Abdul Rahim <faizal.abdul.rahim@intel.com>
Signed-off-by: Noor Azura Ahmad Tarmizi <noor.azura.ahmad.tarmizi@intel.com>
Link: https://lore.kernel.org/r/20221110064552.22504-1-noor.azura.ahmad.tarmizi@linux.intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Mohd Faizal Abdul Rahim
2022-11-10 14:45:52 +08:00
committed by Greg Kroah-Hartman
parent 6219f46c2b
commit 8c54d706d8
1 changed files with 3 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
View File

@@ -6494,6 +6494,9 @@ void stmmac_xdp_release(struct net_device *dev)
struct stmmac_priv *priv = netdev_priv(dev);
u32 chan;
/* Ensure tx function is not running */
netif_tx_disable(dev);
/* Disable NAPI process */
stmmac_disable_all_queues(priv);