From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ganesh Goudar Subject: [PATCH net] cxgb4: when disabling dcb set txq dcb priority to 0 Date: Sat, 23 Jun 2018 20:28:26 +0530 Message-ID: <1529765906-7499-1-git-send-email-ganeshgr@chelsio.com> Cc: nirranjan@chelsio.com, indranil@chelsio.com, robert@cloudmedia.eu, Ganesh Goudar , David Ahern , Casey Leedom To: netdev@vger.kernel.org, davem@davemloft.net Return-path: Received: from stargate.chelsio.com ([12.32.117.8]:3525 "EHLO stargate.chelsio.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751449AbeFWO6k (ORCPT ); Sat, 23 Jun 2018 10:58:40 -0400 Sender: netdev-owner@vger.kernel.org List-ID: 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 CC: David Ahern Signed-off-by: Casey Leedom Signed-off-by: Ganesh Goudar --- drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c index 35cb3ae..aaaf775 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; } } -- 2.1.0