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cxgb4: when disabling dcb set txq dcb priority to 0

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[ Upstream commit 5ce36338a3 ]

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>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ganesh Goudar
2018-06-23 20:28:26 +05:30
committed by Greg Kroah-Hartman
parent 40ae32c6c4
commit 6c500d00cc
1 changed files with 1 additions and 1 deletions
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2
drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
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@@ -274,7 +274,7 @@ 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;
}
}