From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rasesh Mody Subject: [net-next 1/4] bna: Clear Driver Config Flags When HW Resets Date: Fri, 10 May 2013 10:02:14 -0700 Message-ID: <1368205337-4624-2-git-send-email-rmody@brocade.com> References: <1368205337-4624-1-git-send-email-rmody@brocade.com> Mime-Version: 1.0 Content-Type: text/plain Cc: , Rasesh Mody To: , Return-path: Received: from mx0b-000f0801.pphosted.com ([67.231.152.113]:51162 "EHLO mx0b-000f0801.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755879Ab3EJRax (ORCPT ); Fri, 10 May 2013 13:30:53 -0400 In-Reply-To: <1368205337-4624-1-git-send-email-rmody@brocade.com> Sender: netdev-owner@vger.kernel.org List-ID: Driver configuration flags are retained across open/stop operations preventing configurations to be set in next open/stop. Setting MTU on a 1020 causes network to fail until a reboot is performed on the host. Clear the flags when configuration resets in hardware. Signed-off-by: Rasesh Mody --- drivers/net/ethernet/brocade/bna/bnad.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/drivers/net/ethernet/brocade/bna/bnad.c b/drivers/net/ethernet/brocade/bna/bnad.c index ce4a030..a6c16a2 100644 --- a/drivers/net/ethernet/brocade/bna/bnad.c +++ b/drivers/net/ethernet/brocade/bna/bnad.c @@ -2624,6 +2624,9 @@ bnad_stop(struct net_device *netdev) bnad_destroy_tx(bnad, 0); bnad_destroy_rx(bnad, 0); + /* These config flags are cleared in the hardware */ + bnad->cfg_flags &= ~(BNAD_CF_ALLMULTI | BNAD_CF_PROMISC); + /* Synchronize mailbox IRQ */ bnad_mbox_irq_sync(bnad); -- 1.7.1