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authorGanesh Goudar2018-06-23 20:28:26 +0530
committerDavid S. Miller2018-06-24 11:43:16 +0900
commit5ce36338a30f9814fc4824f9fe6c20cd83d872c7 (patch)
tree0c9792b83be9abe4d045f3f1f73b922621d274fb /drivers
parent35b42da69e35536da603a50e40aa6c41b2f7b0f8 (diff)
cxgb4: when disabling dcb set txq dcb priority to 0
When we are disabling DCB, store "0" in txq->dcb_prio since that's used for future TX Work Request "OVLAN_IDX" values. Setting non zero priority upon disabling DCB would halt the traffic. Reported-by: AMG Zollner Robert <robert@cloudmedia.eu> CC: David Ahern <dsa@cumulusnetworks.com> Signed-off-by: Casey Leedom <leedom@chelsio.com> Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
index dd04a2f89ce6..bc03c175a3cd 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
@@ -263,7 +263,7 @@ static void dcb_tx_queue_prio_enable(struct net_device *dev, int enable)
"Can't %s DCB Priority on port %d, TX Queue %d: err=%d\n",
enable ? "set" : "unset", pi->port_id, i, -err);
else
- txq->dcb_prio = value;
+ txq->dcb_prio = enable ? value : 0;
}
}