From mboxrd@z Thu Jan 1 00:00:00 1970 From: Antoine Tenart Subject: [PATCH net-next v4 06/13] net: mvpp2: improve the link management function Date: Wed, 30 Aug 2017 10:29:17 +0200 Message-ID: <20170830082924.3180-7-antoine.tenart@free-electrons.com> References: <20170830082924.3180-1-antoine.tenart@free-electrons.com> Cc: Antoine Tenart , thomas.petazzoni@free-electrons.com, nadavh@marvell.com, linux@armlinux.org.uk, linux-kernel@vger.kernel.org, mw@semihalf.com, stefanc@marvell.com, miquel.raynal@free-electrons.com, netdev@vger.kernel.org To: davem@davemloft.net, kishon@ti.com, andrew@lunn.ch, jason@lakedaemon.net, sebastian.hesselbarth@gmail.com, gregory.clement@free-electrons.com Return-path: In-Reply-To: <20170830082924.3180-1-antoine.tenart@free-electrons.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org When the link status changes, the phylib calls the link_event function in the mvpp2 driver. Before this patch only the egress/ingress transmit was enabled/disabled. This patch adds more functionality to the link status management code by enabling/disabling the port per-cpu interrupts, and the port itself. The queues are now stopped as well, and the netif carrier helpers are called. Signed-off-by: Antoine Tenart --- drivers/net/ethernet/marvell/mvpp2.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/net/ethernet/marvell/mvpp2.c b/drivers/net/ethernet/marvell/mvpp2.c index 9c0c81e68d55..09cad32734f3 100644 --- a/drivers/net/ethernet/marvell/mvpp2.c +++ b/drivers/net/ethernet/marvell/mvpp2.c @@ -5777,14 +5777,25 @@ static void mvpp2_link_event(struct net_device *dev) val |= (MVPP2_GMAC_FORCE_LINK_PASS | MVPP2_GMAC_FORCE_LINK_DOWN); writel(val, port->base + MVPP2_GMAC_AUTONEG_CONFIG); + + mvpp2_interrupts_enable(port); + mvpp2_port_enable(port); + mvpp2_egress_enable(port); mvpp2_ingress_enable(port); + netif_carrier_on(dev); + netif_tx_wake_all_queues(dev); } else { port->duplex = -1; port->speed = 0; + netif_tx_stop_all_queues(dev); + netif_carrier_off(dev); mvpp2_ingress_disable(port); mvpp2_egress_disable(port); + + mvpp2_port_disable(port); + mvpp2_interrupts_disable(port); } phy_print_status(phydev); -- 2.13.5