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Message-ID: <20100213194435.27297.79287.stgit@speedy5.asicdesigners.com> Date: Sat, 13 Feb 2010 11:44:35 -0800 From: Divy Le Ray <divy@...lsio.com> To: davem@...emloft.net Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org, swise@...ngridcomputing.com Subject: [PATCH net-next-2.6 2/2] cxgb3: fix link flap From: Divy Le Ray <divy@...lsio.com> The driver is expected to report that the link is up when the phy Rx signal is established and the mac has not detected a link fault. The code is however broken, the driver does not check the link fault status when the phy link status changes. The link fault status being checked within a short period of time, it leads to link up/link down events. Signed-off-by: Divy Le Ray <divy@...lsio.com> --- drivers/net/cxgb3/t3_hw.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-) diff --git a/drivers/net/cxgb3/t3_hw.c b/drivers/net/cxgb3/t3_hw.c index 032cfe0..3ab9f51 100644 --- a/drivers/net/cxgb3/t3_hw.c +++ b/drivers/net/cxgb3/t3_hw.c @@ -1262,7 +1262,8 @@ void t3_link_changed(struct adapter *adapter, int port_id) lc->fc = fc; } - t3_os_link_changed(adapter, port_id, link_ok, speed, duplex, fc); + t3_os_link_changed(adapter, port_id, link_ok && !pi->link_fault, + speed, duplex, fc); } void t3_link_fault(struct adapter *adapter, int port_id) -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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