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Received: from e0022681537dd.dyn.armlinux.org.uk ([fd8f:7570:feb6:1:222:68ff:fe15:37dd]:38814 helo=rmk-PC.armlinux.org.uk) by pandora.armlinux.org.uk with esmtpsa (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.90_1) (envelope-from ) id 1j6Wfw-0008Os-Jl; Tue, 25 Feb 2020 09:38:48 +0000 Received: from rmk by rmk-PC.armlinux.org.uk with local (Exim 4.92) (envelope-from ) id 1j6Wfv-0000Sj-Rx; Tue, 25 Feb 2020 09:38:47 +0000 In-Reply-To: <20200225093703.GS25745@shell.armlinux.org.uk> References: <20200225093703.GS25745@shell.armlinux.org.uk> From: Russell King To: Andrew Lunn , Florian Fainelli , Heiner Kallweit Subject: [PATCH net-next 1/8] net: phylink: propagate resolved link config via mac_link_up() MIME-Version: 1.0 Content-Disposition: inline Message-Id: Date: Tue, 25 Feb 2020 09:38:47 +0000 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200225_014151_449517_2E144ECF X-CRM114-Status: GOOD ( 15.12 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.3 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [2001:4d48:ad52:3201:214:fdff:fe10:1be6 listed in] [list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.0 SPF_NONE SPF: sender does not publish an SPF Record 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-doc@vger.kernel.org, Thomas Petazzoni , Ioana Ciornei , linux-stm32@st-md-mailman.stormreply.com, Jonathan Corbet , Michal Simek , Jose Abreu , Jakub Kicinski , Mark Lee , Sean Wang , Alexandre Torgue , Hauke Mehrtens , Radhey Shyam Pandey , linux-mediatek@lists.infradead.org, John Crispin , Matthias Brugger , Giuseppe Cavallaro , linux-arm-kernel@lists.infradead.org, netdev@vger.kernel.org, Vivien Didelot , Maxime Coquelin , Vladimir Oltean , "David S. Miller" , Felix Fietkau Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Propagate the resolved link parameters via the mac_link_up() call for MACs that do not automatically track their PCS state. We propagate the link parameters via function arguments so that inappropriate members of struct phylink_link_state can't be accessed, and creating a new structure just for this adds needless complexity to the API. Tested-by: Andre Przywara Tested-by: Alexandre Belloni Signed-off-by: Russell King --- Documentation/networking/sfp-phylink.rst | 17 +++++- drivers/net/ethernet/cadence/macb_main.c | 7 ++- .../net/ethernet/freescale/dpaa2/dpaa2-mac.c | 7 ++- drivers/net/ethernet/marvell/mvneta.c | 8 ++- .../net/ethernet/marvell/mvpp2/mvpp2_main.c | 19 +++++-- drivers/net/ethernet/mediatek/mtk_eth_soc.c | 7 ++- .../net/ethernet/stmicro/stmmac/stmmac_main.c | 4 +- .../net/ethernet/xilinx/xilinx_axienet_main.c | 7 ++- drivers/net/phy/phylink.c | 9 ++- include/linux/phylink.h | 57 ++++++++++++++----- net/dsa/port.c | 4 +- 11 files changed, 105 insertions(+), 41 deletions(-) diff --git a/Documentation/networking/sfp-phylink.rst b/Documentation/networking/sfp-phylink.rst index d753a309f9d1..8d7af28cd835 100644 --- a/Documentation/networking/sfp-phylink.rst +++ b/Documentation/networking/sfp-phylink.rst @@ -74,10 +74,13 @@ phylib to the sfp/phylink support. Please send patches to improve this documentation. 1. Optionally split the network driver's phylib update function into - three parts dealing with link-down, link-up and reconfiguring the - MAC settings. This can be done as a separate preparation commit. + two parts dealing with link-down and link-up. This can be done as + a separate preparation commit. - An example of this preparation can be found in git commit fc548b991fb0. + An older example of this preparation can be found in git commit + fc548b991fb0, although this was splitting into three parts; the + link-up part now includes configuring the MAC for the link settings. + Please see :c:func:`mac_link_up` for more information on this. 2. Replace:: @@ -207,6 +210,14 @@ this documentation. using. This is particularly important for in-band negotiation methods such as 1000base-X and SGMII. + The :c:func:`mac_link_up` method is used to inform the MAC that the + link has come up. The call includes the negotiation mode and interface + for reference only. The finalised link parameters are also supplied + (speed, duplex and flow control/pause enablement settings) which + should be used to configure the MAC when the MAC and PCS are not + tightly integrated, or when the settings are not coming from in-band + negotiation. + The :c:func:`mac_config` method is used to update the MAC with the requested state, and must avoid unnecessarily taking the link down when making changes to the MAC configuration. This means the diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c index 2c28da1737fe..7ab0bef5e1bd 100644 --- a/drivers/net/ethernet/cadence/macb_main.c +++ b/drivers/net/ethernet/cadence/macb_main.c @@ -626,8 +626,11 @@ static void macb_mac_link_down(struct phylink_config *config, unsigned int mode, netif_tx_stop_all_queues(ndev); } -static void macb_mac_link_up(struct phylink_config *config, unsigned int mode, - phy_interface_t interface, struct phy_device *phy) +static void macb_mac_link_up(struct phylink_config *config, + struct phy_device *phy, + unsigned int mode, phy_interface_t interface, + int speed, int duplex, + bool tx_pause, bool rx_pause) { struct net_device *ndev = to_net_dev(config->dev); struct macb *bp = netdev_priv(ndev); diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-mac.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-mac.c index 84233e467ed1..3a75c5b58f95 100644 --- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-mac.c +++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-mac.c @@ -154,8 +154,11 @@ static void dpaa2_mac_config(struct phylink_config *config, unsigned int mode, netdev_err(mac->net_dev, "dpmac_set_link_state() = %d\n", err); } -static void dpaa2_mac_link_up(struct phylink_config *config, unsigned int mode, - phy_interface_t interface, struct phy_device *phy) +static void dpaa2_mac_link_up(struct phylink_config *config, + struct phy_device *phy, + unsigned int mode, phy_interface_t interface, + int speed, int duplex, + bool tx_pause, bool rx_pause) { struct dpaa2_mac *mac = phylink_to_dpaa2_mac(config); struct dpmac_link_state *dpmac_state = &mac->state; diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c index 1c391f63a26f..9af3f8d5b289 100644 --- a/drivers/net/ethernet/marvell/mvneta.c +++ b/drivers/net/ethernet/marvell/mvneta.c @@ -3965,9 +3965,11 @@ static void mvneta_mac_link_down(struct phylink_config *config, mvneta_set_eee(pp, false); } -static void mvneta_mac_link_up(struct phylink_config *config, unsigned int mode, - phy_interface_t interface, - struct phy_device *phy) +static void mvneta_mac_link_up(struct phylink_config *config, + struct phy_device *phy, + unsigned int mode, phy_interface_t interface, + int speed, int duplex, + bool tx_pause, bool rx_pause) { struct net_device *ndev = to_net_dev(config->dev); struct mvneta_port *pp = netdev_priv(ndev); diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c index 72133cbe55d4..ed8042d97e29 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c @@ -58,8 +58,11 @@ static struct { */ static void mvpp2_mac_config(struct phylink_config *config, unsigned int mode, const struct phylink_link_state *state); -static void mvpp2_mac_link_up(struct phylink_config *config, unsigned int mode, - phy_interface_t interface, struct phy_device *phy); +static void mvpp2_mac_link_up(struct phylink_config *config, + struct phy_device *phy, + unsigned int mode, phy_interface_t interface, + int speed, int duplex, + bool tx_pause, bool rx_pause); /* Queue modes */ #define MVPP2_QDIST_SINGLE_MODE 0 @@ -3473,8 +3476,9 @@ static void mvpp2_start_dev(struct mvpp2_port *port) .interface = port->phy_interface, }; mvpp2_mac_config(&port->phylink_config, MLO_AN_INBAND, &state); - mvpp2_mac_link_up(&port->phylink_config, MLO_AN_INBAND, - port->phy_interface, NULL); + mvpp2_mac_link_up(&port->phylink_config, NULL, + MLO_AN_INBAND, port->phy_interface, + SPEED_UNKNOWN, DUPLEX_UNKNOWN, false, false); } netif_tx_start_all_queues(port->dev); @@ -5141,8 +5145,11 @@ static void mvpp2_mac_config(struct phylink_config *config, unsigned int mode, mvpp2_port_enable(port); } -static void mvpp2_mac_link_up(struct phylink_config *config, unsigned int mode, - phy_interface_t interface, struct phy_device *phy) +static void mvpp2_mac_link_up(struct phylink_config *config, + struct phy_device *phy, + unsigned int mode, phy_interface_t interface, + int speed, int duplex, + bool tx_pause, bool rx_pause) { struct net_device *dev = to_net_dev(config->dev); struct mvpp2_port *port = netdev_priv(dev); diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c index 8c6cfd15481c..8d28f90acfe7 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c @@ -412,9 +412,10 @@ static void mtk_mac_link_down(struct phylink_config *config, unsigned int mode, mtk_w32(mac->hw, mcr, MTK_MAC_MCR(mac->id)); } -static void mtk_mac_link_up(struct phylink_config *config, unsigned int mode, - phy_interface_t interface, - struct phy_device *phy) +static void mtk_mac_link_up(struct phylink_config *config, + struct phy_device *phy, + unsigned int mode, phy_interface_t interface, + int speed, int duplex, bool tx_pause, bool rx_pause) { struct mtk_mac *mac = container_of(config, struct mtk_mac, phylink_config); diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index 37920b4da091..e039e715dcee 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -950,8 +950,10 @@ static void stmmac_mac_link_down(struct phylink_config *config, } static void stmmac_mac_link_up(struct phylink_config *config, + struct phy_device *phy, unsigned int mode, phy_interface_t interface, - struct phy_device *phy) + int speed, int duplex, + bool tx_pause, bool rx_pause) { struct stmmac_priv *priv = netdev_priv(to_net_dev(config->dev)); diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c index 20746b801959..197740781157 100644 --- a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c +++ b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c @@ -1486,9 +1486,10 @@ static void axienet_mac_link_down(struct phylink_config *config, } static void axienet_mac_link_up(struct phylink_config *config, - unsigned int mode, - phy_interface_t interface, - struct phy_device *phy) + struct phy_device *phy, + unsigned int mode, phy_interface_t interface, + int speed, int duplex, + bool tx_pause, bool rx_pause) { /* nothing meaningful to do */ } diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c index 2899fbe699ab..b4367fab7899 100644 --- a/drivers/net/phy/phylink.c +++ b/drivers/net/phy/phylink.c @@ -480,8 +480,11 @@ static void phylink_mac_link_up(struct phylink *pl, struct net_device *ndev = pl->netdev; pl->cur_interface = link_state.interface; - pl->ops->mac_link_up(pl->config, pl->cur_link_an_mode, - pl->cur_interface, pl->phydev); + pl->ops->mac_link_up(pl->config, pl->phydev, + pl->cur_link_an_mode, pl->cur_interface, + link_state.speed, link_state.duplex, + !!(link_state.pause & MLO_PAUSE_TX), + !!(link_state.pause & MLO_PAUSE_RX)); if (ndev) netif_carrier_on(ndev); @@ -547,6 +550,8 @@ static void phylink_resolve(struct work_struct *w) link_state.pause = pl->phy_state.pause; phylink_apply_manual_flow(pl, &link_state); phylink_mac_config(pl, &link_state); + } else { + phylink_apply_manual_flow(pl, &link_state); } break; } diff --git a/include/linux/phylink.h b/include/linux/phylink.h index 812357c03df4..2180eb1aa254 100644 --- a/include/linux/phylink.h +++ b/include/linux/phylink.h @@ -91,9 +91,10 @@ struct phylink_mac_ops { void (*mac_an_restart)(struct phylink_config *config); void (*mac_link_down)(struct phylink_config *config, unsigned int mode, phy_interface_t interface); - void (*mac_link_up)(struct phylink_config *config, unsigned int mode, - phy_interface_t interface, - struct phy_device *phy); + void (*mac_link_up)(struct phylink_config *config, + struct phy_device *phy, unsigned int mode, + phy_interface_t interface, int speed, int duplex, + bool tx_pause, bool rx_pause); }; #if 0 /* For kernel-doc purposes only. */ @@ -152,6 +153,9 @@ void mac_pcs_get_state(struct phylink_config *config, * guaranteed to be correct, and so any mac_config() implementation must * never reference these fields. * + * (this requires a rewrite - please refer to mac_link_up() for situations + * where the PCS and MAC are not tightly integrated.) + * * In all negotiation modes, as defined by @mode, @state->pause indicates the * pause settings which should be applied as follows. If %MLO_PAUSE_AN is not * set, %MLO_PAUSE_TX and %MLO_PAUSE_RX indicate whether the MAC should send @@ -162,12 +166,20 @@ void mac_pcs_get_state(struct phylink_config *config, * The action performed depends on the currently selected mode: * * %MLO_AN_FIXED, %MLO_AN_PHY: - * Configure the specified @state->speed and @state->duplex over a link - * specified by @state->interface. @state->advertising may be used, but - * is not required. Pause modes as above. Other members of @state must - * be ignored. + * Configure for non-inband negotiation mode, where the link settings + * are completely communicated via mac_link_up(). The physical link + * protocol from the MAC is specified by @state->interface. + * + * @state->advertising may be used, but is not required. + * + * Older drivers (prior to the mac_link_up() change) may use @state->speed, + * @state->duplex and @state->pause to configure the MAC, but this is + * deprecated; such drivers should be converted to use mac_link_up(). * - * Valid state members: interface, speed, duplex, pause, advertising. + * Other members of @state must be ignored. + * + * Valid state members: interface, advertising. + * Deprecated state members: speed, duplex, pause. * * %MLO_AN_INBAND: * place the link in an inband negotiation mode (such as 802.3z @@ -228,19 +240,34 @@ void mac_link_down(struct phylink_config *config, unsigned int mode, /** * mac_link_up() - allow the link to come up * @config: a pointer to a &struct phylink_config. + * @phy: any attached phy * @mode: link autonegotiation mode * @interface: link &typedef phy_interface_t mode - * @phy: any attached phy + * @speed: link speed + * @duplex: link duplex + * @tx_pause: link transmit pause enablement status + * @rx_pause: link receive pause enablement status * - * If @mode is not an in-band negotiation mode (as defined by - * phylink_autoneg_inband()), allow the link to come up. If @phy - * is non-%NULL, configure Energy Efficient Ethernet by calling + * Configure the MAC for an established link. + * + * @speed, @duplex, @tx_pause and @rx_pause indicate the finalised link + * settings, and should be used to configure the MAC block appropriately + * where these settings are not automatically conveyed from the PCS block, + * or if in-band negotiation (as defined by phylink_autoneg_inband(@mode)) + * is disabled. + * + * Note that when 802.3z in-band negotiation is in use, it is possible + * that the user wishes to override the pause settings, and this should + * be allowed when considering the implementation of this method. + * + * If in-band negotiation mode is disabled, allow the link to come up. If + * @phy is non-%NULL, configure Energy Efficient Ethernet by calling * phy_init_eee() and perform appropriate MAC configuration for EEE. * Interface type selection must be done in mac_config(). */ -void mac_link_up(struct phylink_config *config, unsigned int mode, - phy_interface_t interface, - struct phy_device *phy); +void mac_link_up(struct phylink_config *config, struct phy_device *phy, + unsigned int mode, phy_interface_t interface, + int speed, int duplex, bool tx_pause, bool rx_pause); #endif struct phylink *phylink_create(struct phylink_config *, struct fwnode_handle *, diff --git a/net/dsa/port.c b/net/dsa/port.c index 774facb8d547..b2f5262b35cf 100644 --- a/net/dsa/port.c +++ b/net/dsa/port.c @@ -489,9 +489,11 @@ static void dsa_port_phylink_mac_link_down(struct phylink_config *config, } static void dsa_port_phylink_mac_link_up(struct phylink_config *config, + struct phy_device *phydev, unsigned int mode, phy_interface_t interface, - struct phy_device *phydev) + int speed, int duplex, + bool tx_pause, bool rx_pause) { struct dsa_port *dp = container_of(config, struct dsa_port, pl_config); struct dsa_switch *ds = dp->ds; From patchwork Tue Feb 25 09:38:52 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Russell King (Oracle)" X-Patchwork-Id: 11403113 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 9FAD314D5 for ; Tue, 25 Feb 2020 09:43:15 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 7DD8F218AC for ; Tue, 25 Feb 2020 09:43:15 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="FUVN3jGh"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=armlinux.org.uk header.i=@armlinux.org.uk header.b="E3hOIYH1" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7DD8F218AC Authentication-Results: mail.kernel.org; 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Received: from e0022681537dd.dyn.armlinux.org.uk ([2001:4d48:ad52:3201:222:68ff:fe15:37dd]:51280 helo=rmk-PC.armlinux.org.uk) by pandora.armlinux.org.uk with esmtpsa (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.90_1) (envelope-from ) id 1j6Wg1-0008Ow-Vk; Tue, 25 Feb 2020 09:38:54 +0000 Received: from rmk by rmk-PC.armlinux.org.uk with local (Exim 4.92) (envelope-from ) id 1j6Wg0-0000Ss-W7; Tue, 25 Feb 2020 09:38:53 +0000 In-Reply-To: <20200225093703.GS25745@shell.armlinux.org.uk> References: <20200225093703.GS25745@shell.armlinux.org.uk> From: Russell King To: Andrew Lunn , Florian Fainelli , Heiner Kallweit Subject: [PATCH net-next 2/8] net: dsa: propagate resolved link config via mac_link_up() MIME-Version: 1.0 Content-Disposition: inline Message-Id: Date: Tue, 25 Feb 2020 09:38:52 +0000 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200225_014158_855360_22E9B5D8 X-CRM114-Status: UNSURE ( 9.71 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.3 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [2001:4d48:ad52:3201:214:fdff:fe10:1be6 listed in] [list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.0 SPF_NONE SPF: sender does not publish an SPF Record 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-doc@vger.kernel.org, Thomas Petazzoni , Ioana Ciornei , linux-stm32@st-md-mailman.stormreply.com, Jonathan Corbet , Michal Simek , Jose Abreu , Jakub Kicinski , Mark Lee , Sean Wang , Alexandre Torgue , Hauke Mehrtens , Radhey Shyam Pandey , linux-mediatek@lists.infradead.org, John Crispin , Matthias Brugger , Giuseppe Cavallaro , linux-arm-kernel@lists.infradead.org, netdev@vger.kernel.org, Vivien Didelot , Maxime Coquelin , Vladimir Oltean , "David S. Miller" , Felix Fietkau Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Propagate the resolved link configuration down via DSA's phylink_mac_link_up() operation to allow split PCS/MAC to work. Signed-off-by: Russell King Tested-by: Vladimir Oltean --- drivers/net/dsa/b53/b53_common.c | 4 +++- drivers/net/dsa/b53/b53_priv.h | 4 +++- drivers/net/dsa/bcm_sf2.c | 4 +++- drivers/net/dsa/lantiq_gswip.c | 4 +++- drivers/net/dsa/mt7530.c | 4 +++- drivers/net/dsa/mv88e6xxx/chip.c | 4 +++- drivers/net/dsa/sja1105/sja1105_main.c | 4 +++- include/net/dsa.h | 4 +++- net/dsa/port.c | 3 ++- 9 files changed, 26 insertions(+), 9 deletions(-) diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_common.c index 1a69286daa8d..ceafce446317 100644 --- a/drivers/net/dsa/b53/b53_common.c +++ b/drivers/net/dsa/b53/b53_common.c @@ -1289,7 +1289,9 @@ EXPORT_SYMBOL(b53_phylink_mac_link_down); void b53_phylink_mac_link_up(struct dsa_switch *ds, int port, unsigned int mode, phy_interface_t interface, - struct phy_device *phydev) + struct phy_device *phydev, + int speed, int duplex, + bool tx_pause, bool rx_pause) { struct b53_device *dev = ds->priv; diff --git a/drivers/net/dsa/b53/b53_priv.h b/drivers/net/dsa/b53/b53_priv.h index 3c30f3a7eb29..3d42318bc3f1 100644 --- a/drivers/net/dsa/b53/b53_priv.h +++ b/drivers/net/dsa/b53/b53_priv.h @@ -338,7 +338,9 @@ void b53_phylink_mac_link_down(struct dsa_switch *ds, int port, void b53_phylink_mac_link_up(struct dsa_switch *ds, int port, unsigned int mode, phy_interface_t interface, - struct phy_device *phydev); + struct phy_device *phydev, + int speed, int duplex, + bool tx_pause, bool rx_pause); int b53_vlan_filtering(struct dsa_switch *ds, int port, bool vlan_filtering); int b53_vlan_prepare(struct dsa_switch *ds, int port, const struct switchdev_obj_port_vlan *vlan); diff --git a/drivers/net/dsa/bcm_sf2.c b/drivers/net/dsa/bcm_sf2.c index 6feaf8cb0809..a1110133dadf 100644 --- a/drivers/net/dsa/bcm_sf2.c +++ b/drivers/net/dsa/bcm_sf2.c @@ -652,7 +652,9 @@ static void bcm_sf2_sw_mac_link_down(struct dsa_switch *ds, int port, static void bcm_sf2_sw_mac_link_up(struct dsa_switch *ds, int port, unsigned int mode, phy_interface_t interface, - struct phy_device *phydev) + struct phy_device *phydev, + int speed, int duplex, + bool tx_pause, bool rx_pause) { struct bcm_sf2_priv *priv = bcm_sf2_to_priv(ds); struct ethtool_eee *p = &priv->dev->ports[port].eee; diff --git a/drivers/net/dsa/lantiq_gswip.c b/drivers/net/dsa/lantiq_gswip.c index 0369c22fe3e1..cf6fa8fede33 100644 --- a/drivers/net/dsa/lantiq_gswip.c +++ b/drivers/net/dsa/lantiq_gswip.c @@ -1517,7 +1517,9 @@ static void gswip_phylink_mac_link_down(struct dsa_switch *ds, int port, static void gswip_phylink_mac_link_up(struct dsa_switch *ds, int port, unsigned int mode, phy_interface_t interface, - struct phy_device *phydev) + struct phy_device *phydev, + int speed, int duplex, + bool tx_pause, bool rx_pause) { struct gswip_priv *priv = ds->priv; diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c index 022466ca1c19..86818ab3bb07 100644 --- a/drivers/net/dsa/mt7530.c +++ b/drivers/net/dsa/mt7530.c @@ -1482,7 +1482,9 @@ static void mt7530_phylink_mac_link_down(struct dsa_switch *ds, int port, static void mt7530_phylink_mac_link_up(struct dsa_switch *ds, int port, unsigned int mode, phy_interface_t interface, - struct phy_device *phydev) + struct phy_device *phydev, + int speed, int duplex, + bool tx_pause, bool rx_pause) { struct mt7530_priv *priv = ds->priv; diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c index 4ec09cc8dcdc..fef3b5e0b291 100644 --- a/drivers/net/dsa/mv88e6xxx/chip.c +++ b/drivers/net/dsa/mv88e6xxx/chip.c @@ -655,7 +655,9 @@ static void mv88e6xxx_mac_link_down(struct dsa_switch *ds, int port, static void mv88e6xxx_mac_link_up(struct dsa_switch *ds, int port, unsigned int mode, phy_interface_t interface, - struct phy_device *phydev) + struct phy_device *phydev, + int speed, int duplex, + bool tx_pause, bool rx_pause) { if (mode == MLO_AN_FIXED) mv88e6xxx_mac_link_force(ds, port, LINK_FORCED_UP); diff --git a/drivers/net/dsa/sja1105/sja1105_main.c b/drivers/net/dsa/sja1105/sja1105_main.c index 03ba6d25f7fe..c27cc7b37440 100644 --- a/drivers/net/dsa/sja1105/sja1105_main.c +++ b/drivers/net/dsa/sja1105/sja1105_main.c @@ -786,7 +786,9 @@ static void sja1105_mac_link_down(struct dsa_switch *ds, int port, static void sja1105_mac_link_up(struct dsa_switch *ds, int port, unsigned int mode, phy_interface_t interface, - struct phy_device *phydev) + struct phy_device *phydev, + int speed, int duplex, + bool tx_pause, bool rx_pause) { sja1105_inhibit_tx(ds->priv, BIT(port), false); } diff --git a/include/net/dsa.h b/include/net/dsa.h index 63495e3443ac..7d3d84f0ef42 100644 --- a/include/net/dsa.h +++ b/include/net/dsa.h @@ -420,7 +420,9 @@ struct dsa_switch_ops { void (*phylink_mac_link_up)(struct dsa_switch *ds, int port, unsigned int mode, phy_interface_t interface, - struct phy_device *phydev); + struct phy_device *phydev, + int speed, int duplex, + bool tx_pause, bool rx_pause); void (*phylink_fixed_state)(struct dsa_switch *ds, int port, struct phylink_link_state *state); /* diff --git a/net/dsa/port.c b/net/dsa/port.c index b2f5262b35cf..d4450a454249 100644 --- a/net/dsa/port.c +++ b/net/dsa/port.c @@ -504,7 +504,8 @@ static void dsa_port_phylink_mac_link_up(struct phylink_config *config, return; } - ds->ops->phylink_mac_link_up(ds, dp->index, mode, interface, phydev); + ds->ops->phylink_mac_link_up(ds, dp->index, mode, interface, phydev, + speed, duplex, tx_pause, rx_pause); } const struct phylink_mac_ops dsa_port_phylink_mac_ops = { From patchwork Tue Feb 25 09:38:58 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Russell King (Oracle)" X-Patchwork-Id: 11403075 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 0E6CD14D5 for ; Tue, 25 Feb 2020 09:41:00 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id E00D520656 for ; 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bh=fa4NZv5nNOs4Sh5tsn/w+0iIu7F1BQDsZ/B6zmpXUBw=; b=yUVsWTn96lhnki6+QXTztZ1txU iQTuFnPvavfgoeM7wX6AlQpZvqRcmNiiFRsTOP12rWpglRjvdY0qWHD+0yczZG6CW5AR/PEXPzrM8 OY5+sJaf26d36FM36F32RxqnAJURuji8NKedWgmK3L0rbTtESYPEKAWn53Jim/L/JBsuzCcxJsbOs x3RoyEmCtl6wrgbAV7VsGvZAwXCTaaCe75Dt43C2pvYlSPMCq0jDFfRHEmCKIWt6k8NVamY9uaFLc C3ANgAWauj/Hl8vYZib5AQlKrdXyfd55L85LQZvrdV0vZOLHAL7O+OEz9VOKekBBLKq9gHX2CeQvB 8fEuDVZA==; Received: from e0022681537dd.dyn.armlinux.org.uk ([2001:4d48:ad52:3201:222:68ff:fe15:37dd]:51282 helo=rmk-PC.armlinux.org.uk) by pandora.armlinux.org.uk with esmtpsa (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.90_1) (envelope-from ) id 1j6Wg8-0008P5-Ok; Tue, 25 Feb 2020 09:39:01 +0000 Received: from rmk by rmk-PC.armlinux.org.uk with local (Exim 4.92) (envelope-from ) id 1j6Wg6-0000T3-3n; Tue, 25 Feb 2020 09:38:58 +0000 In-Reply-To: <20200225093703.GS25745@shell.armlinux.org.uk> References: <20200225093703.GS25745@shell.armlinux.org.uk> From: Russell King To: Andrew Lunn , Florian Fainelli , Heiner Kallweit Subject: [PATCH net-next 3/8] net: mv88e6xxx: use resolved link config in mac_link_up() MIME-Version: 1.0 Content-Disposition: inline Message-Id: Date: Tue, 25 Feb 2020 09:38:58 +0000 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200225_014057_472228_5C57CF12 X-CRM114-Status: GOOD ( 13.10 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.3 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [2001:4d48:ad52:3201:214:fdff:fe10:1be6 listed in] [list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.0 SPF_NONE SPF: sender does not publish an SPF Record 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-doc@vger.kernel.org, Thomas Petazzoni , Ioana Ciornei , linux-stm32@st-md-mailman.stormreply.com, Jonathan Corbet , Michal Simek , Jose Abreu , Jakub Kicinski , Mark Lee , Sean Wang , Alexandre Torgue , Hauke Mehrtens , Radhey Shyam Pandey , linux-mediatek@lists.infradead.org, John Crispin , Matthias Brugger , Giuseppe Cavallaro , linux-arm-kernel@lists.infradead.org, netdev@vger.kernel.org, Vivien Didelot , Maxime Coquelin , Vladimir Oltean , "David S. Miller" , Felix Fietkau Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Use the resolved link configuration to set the MAC configuration when mac_link_up() for non-internal-PHY ports. Signed-off-by: Russell King --- drivers/net/dsa/mv88e6xxx/chip.c | 75 +++++++++++++++++++++++++------- 1 file changed, 59 insertions(+), 16 deletions(-) diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c index fef3b5e0b291..4a4173e63fa5 100644 --- a/drivers/net/dsa/mv88e6xxx/chip.c +++ b/drivers/net/dsa/mv88e6xxx/chip.c @@ -632,25 +632,30 @@ static void mv88e6xxx_mac_config(struct dsa_switch *ds, int port, dev_err(ds->dev, "p%d: failed to configure MAC\n", port); } -static void mv88e6xxx_mac_link_force(struct dsa_switch *ds, int port, int link) +static void mv88e6xxx_mac_link_down(struct dsa_switch *ds, int port, + unsigned int mode, + phy_interface_t interface) { struct mv88e6xxx_chip *chip = ds->priv; - int err; + const struct mv88e6xxx_ops *ops; + int err = 0; - mv88e6xxx_reg_lock(chip); - err = chip->info->ops->port_set_link(chip, port, link); - mv88e6xxx_reg_unlock(chip); + ops = chip->info->ops; - if (err) - dev_err(chip->dev, "p%d: failed to force MAC link\n", port); -} + /* Internal PHYs propagate their configuration directly to the MAC. + * External PHYs depend on whether the PPU is enabled for this port. + * FIXME: we should be using the PPU enable state here. What about + * an automedia port? + */ + if (!mv88e6xxx_phy_is_internal(ds, port) && ops->port_set_link) { + mv88e6xxx_reg_lock(chip); + err = ops->port_set_link(chip, port, LINK_FORCED_DOWN); + mv88e6xxx_reg_unlock(chip); -static void mv88e6xxx_mac_link_down(struct dsa_switch *ds, int port, - unsigned int mode, - phy_interface_t interface) -{ - if (mode == MLO_AN_FIXED) - mv88e6xxx_mac_link_force(ds, port, LINK_FORCED_DOWN); + if (err) + dev_err(chip->dev, + "p%d: failed to force MAC link down\n", port); + } } static void mv88e6xxx_mac_link_up(struct dsa_switch *ds, int port, @@ -659,8 +664,46 @@ static void mv88e6xxx_mac_link_up(struct dsa_switch *ds, int port, int speed, int duplex, bool tx_pause, bool rx_pause) { - if (mode == MLO_AN_FIXED) - mv88e6xxx_mac_link_force(ds, port, LINK_FORCED_UP); + struct mv88e6xxx_chip *chip = ds->priv; + const struct mv88e6xxx_ops *ops; + int err = 0; + + ops = chip->info->ops; + + /* Internal PHYs propagate their configuration directly to the MAC. + * External PHYs depend on whether the PPU is enabled for this port. + * FIXME: we should be using the PPU enable state here. What about + * an automedia port? + */ + if (!mv88e6xxx_phy_is_internal(ds, port)) { + mv88e6xxx_reg_lock(chip); + /* FIXME: for an automedia port, should we force the link + * down here - what if the link comes up due to "other" media + * while we're bringing the port up, how is the exclusivity + * handled in the Marvell hardware? E.g. port 4 on 88E6532 + * shared between internal PHY and Serdes. + */ + if (ops->port_set_speed) { + err = ops->port_set_speed(chip, port, speed); + if (err && err != -EOPNOTSUPP) + goto error; + } + + if (ops->port_set_duplex) { + err = ops->port_set_duplex(chip, port, duplex); + if (err && err != -EOPNOTSUPP) + goto error; + } + + if (ops->port_set_link) + err = ops->port_set_link(chip, port, LINK_FORCED_UP); +error: + mv88e6xxx_reg_unlock(chip); + + if (err && err != -EOPNOTSUPP) + dev_err(ds->dev, + "p%d: failed to configure MAC link up\n", port); + } } static int mv88e6xxx_stats_snapshot(struct mv88e6xxx_chip *chip, int port) From patchwork Tue Feb 25 09:39:03 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Russell King (Oracle)" X-Patchwork-Id: 11403115 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 3AF39930 for ; 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Tue, 25 Feb 2020 09:39:08 +0000 Received: from rmk by rmk-PC.armlinux.org.uk with local (Exim 4.92) (envelope-from ) id 1j6WgB-0000TB-95; Tue, 25 Feb 2020 09:39:03 +0000 In-Reply-To: <20200225093703.GS25745@shell.armlinux.org.uk> References: <20200225093703.GS25745@shell.armlinux.org.uk> From: Russell King To: Andrew Lunn , Florian Fainelli , Heiner Kallweit Subject: [PATCH net-next 4/8] net: axienet: use resolved link config in mac_link_up() MIME-Version: 1.0 Content-Disposition: inline Message-Id: Date: Tue, 25 Feb 2020 09:39:03 +0000 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200225_014159_763443_662692A7 X-CRM114-Status: UNSURE ( 9.62 ) X-CRM114-Notice: Please train this message. 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Miller" , Felix Fietkau Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Convert the Xilinx AXI ethernet driver to use the finalised link parameters in mac_link_up() rather than the parameters in mac_config(). Tested-by: Andre Przywara Signed-off-by: Russell King --- .../net/ethernet/xilinx/xilinx_axienet_main.c | 38 +++++++++---------- 1 file changed, 19 insertions(+), 19 deletions(-) diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c index 197740781157..c2f4c5ca2e80 100644 --- a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c +++ b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c @@ -1440,6 +1440,22 @@ static void axienet_mac_an_restart(struct phylink_config *config) static void axienet_mac_config(struct phylink_config *config, unsigned int mode, const struct phylink_link_state *state) +{ + /* nothing meaningful to do */ +} + +static void axienet_mac_link_down(struct phylink_config *config, + unsigned int mode, + phy_interface_t interface) +{ + /* nothing meaningful to do */ +} + +static void axienet_mac_link_up(struct phylink_config *config, + struct phy_device *phy, + unsigned int mode, phy_interface_t interface, + int speed, int duplex, + bool tx_pause, bool rx_pause) { struct net_device *ndev = to_net_dev(config->dev); struct axienet_local *lp = netdev_priv(ndev); @@ -1448,7 +1464,7 @@ static void axienet_mac_config(struct phylink_config *config, unsigned int mode, emmc_reg = axienet_ior(lp, XAE_EMMC_OFFSET); emmc_reg &= ~XAE_EMMC_LINKSPEED_MASK; - switch (state->speed) { + switch (speed) { case SPEED_1000: emmc_reg |= XAE_EMMC_LINKSPD_1000; break; @@ -1467,33 +1483,17 @@ static void axienet_mac_config(struct phylink_config *config, unsigned int mode, axienet_iow(lp, XAE_EMMC_OFFSET, emmc_reg); fcc_reg = axienet_ior(lp, XAE_FCC_OFFSET); - if (state->pause & MLO_PAUSE_TX) + if (tx_pause) fcc_reg |= XAE_FCC_FCTX_MASK; else fcc_reg &= ~XAE_FCC_FCTX_MASK; - if (state->pause & MLO_PAUSE_RX) + if (rx_pause) fcc_reg |= XAE_FCC_FCRX_MASK; else fcc_reg &= ~XAE_FCC_FCRX_MASK; axienet_iow(lp, XAE_FCC_OFFSET, fcc_reg); } -static void axienet_mac_link_down(struct phylink_config *config, - unsigned int mode, - phy_interface_t interface) -{ - /* nothing meaningful to do */ -} - -static void axienet_mac_link_up(struct phylink_config *config, - struct phy_device *phy, - unsigned int mode, phy_interface_t interface, - int speed, int duplex, - bool tx_pause, bool rx_pause) -{ - /* nothing meaningful to do */ -} - static const struct phylink_mac_ops axienet_phylink_ops = { .validate = axienet_validate, .mac_pcs_get_state = axienet_mac_pcs_get_state, From patchwork Tue Feb 25 09:39:08 2020 Content-Type: text/plain; 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Received: from e0022681537dd.dyn.armlinux.org.uk ([2001:4d48:ad52:3201:222:68ff:fe15:37dd]:51286 helo=rmk-PC.armlinux.org.uk) by pandora.armlinux.org.uk with esmtpsa (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.90_1) (envelope-from ) id 1j6WgM-0008PS-Ld; Tue, 25 Feb 2020 09:39:15 +0000 Received: from rmk by rmk-PC.armlinux.org.uk with local (Exim 4.92) (envelope-from ) id 1j6WgG-0000TJ-CC; Tue, 25 Feb 2020 09:39:08 +0000 In-Reply-To: <20200225093703.GS25745@shell.armlinux.org.uk> References: <20200225093703.GS25745@shell.armlinux.org.uk> From: Russell King To: Andrew Lunn , Florian Fainelli , Heiner Kallweit Subject: [PATCH net-next 5/8] net: dpaa2-mac: use resolved link config in mac_link_up() MIME-Version: 1.0 Content-Disposition: inline Message-Id: Date: Tue, 25 Feb 2020 09:39:08 +0000 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200225_014115_575527_0D399F56 X-CRM114-Status: GOOD ( 13.17 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.3 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [2001:4d48:ad52:3201:214:fdff:fe10:1be6 listed in] [list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.0 SPF_NONE SPF: sender does not publish an SPF Record 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-doc@vger.kernel.org, Thomas Petazzoni , Ioana Ciornei , linux-stm32@st-md-mailman.stormreply.com, Jonathan Corbet , Michal Simek , Jose Abreu , Jakub Kicinski , Mark Lee , Sean Wang , Alexandre Torgue , Hauke Mehrtens , Radhey Shyam Pandey , linux-mediatek@lists.infradead.org, John Crispin , Matthias Brugger , Giuseppe Cavallaro , linux-arm-kernel@lists.infradead.org, netdev@vger.kernel.org, Vivien Didelot , Maxime Coquelin , Vladimir Oltean , "David S. Miller" , Felix Fietkau Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Convert the DPAA2 ethernet driver to use the finalised link parameters in mac_link_up() rather than the parameters in mac_config(), which are more suited to the needs of the DPAA2 MC firmware than those available via mac_config(). Signed-off-by: Russell King Tested-by: Ioana Ciornei --- .../net/ethernet/freescale/dpaa2/dpaa2-mac.c | 54 +++++++++++-------- .../net/ethernet/freescale/dpaa2/dpaa2-mac.h | 1 + 2 files changed, 33 insertions(+), 22 deletions(-) diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-mac.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-mac.c index 3a75c5b58f95..3ee236c5fc37 100644 --- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-mac.c +++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-mac.c @@ -123,35 +123,16 @@ static void dpaa2_mac_config(struct phylink_config *config, unsigned int mode, struct dpmac_link_state *dpmac_state = &mac->state; int err; - if (state->speed != SPEED_UNKNOWN) - dpmac_state->rate = state->speed; - - if (state->duplex != DUPLEX_UNKNOWN) { - if (!state->duplex) - dpmac_state->options |= DPMAC_LINK_OPT_HALF_DUPLEX; - else - dpmac_state->options &= ~DPMAC_LINK_OPT_HALF_DUPLEX; - } - if (state->an_enabled) dpmac_state->options |= DPMAC_LINK_OPT_AUTONEG; else dpmac_state->options &= ~DPMAC_LINK_OPT_AUTONEG; - if (state->pause & MLO_PAUSE_RX) - dpmac_state->options |= DPMAC_LINK_OPT_PAUSE; - else - dpmac_state->options &= ~DPMAC_LINK_OPT_PAUSE; - - if (!!(state->pause & MLO_PAUSE_RX) ^ !!(state->pause & MLO_PAUSE_TX)) - dpmac_state->options |= DPMAC_LINK_OPT_ASYM_PAUSE; - else - dpmac_state->options &= ~DPMAC_LINK_OPT_ASYM_PAUSE; - err = dpmac_set_link_state(mac->mc_io, 0, mac->mc_dev->mc_handle, dpmac_state); if (err) - netdev_err(mac->net_dev, "dpmac_set_link_state() = %d\n", err); + netdev_err(mac->net_dev, "%s: dpmac_set_link_state() = %d\n", + __func__, err); } static void dpaa2_mac_link_up(struct phylink_config *config, @@ -165,10 +146,37 @@ static void dpaa2_mac_link_up(struct phylink_config *config, int err; dpmac_state->up = 1; + + if (mac->if_link_type == DPMAC_LINK_TYPE_PHY) { + /* If the DPMAC is configured for PHY mode, we need + * to pass the link parameters to the MC firmware. + */ + dpmac_state->rate = speed; + + if (duplex == DUPLEX_HALF) + dpmac_state->options |= DPMAC_LINK_OPT_HALF_DUPLEX; + else if (duplex == DUPLEX_FULL) + dpmac_state->options &= ~DPMAC_LINK_OPT_HALF_DUPLEX; + + /* This is lossy; the firmware really should take the pause + * enablement status rather than pause/asym pause status. + */ + if (rx_pause) + dpmac_state->options |= DPMAC_LINK_OPT_PAUSE; + else + dpmac_state->options &= ~DPMAC_LINK_OPT_PAUSE; + + if (rx_pause ^ tx_pause) + dpmac_state->options |= DPMAC_LINK_OPT_ASYM_PAUSE; + else + dpmac_state->options &= ~DPMAC_LINK_OPT_ASYM_PAUSE; + } + err = dpmac_set_link_state(mac->mc_io, 0, mac->mc_dev->mc_handle, dpmac_state); if (err) - netdev_err(mac->net_dev, "dpmac_set_link_state() = %d\n", err); + netdev_err(mac->net_dev, "%s: dpmac_set_link_state() = %d\n", + __func__, err); } static void dpaa2_mac_link_down(struct phylink_config *config, @@ -241,6 +249,8 @@ int dpaa2_mac_connect(struct dpaa2_mac *mac) goto err_close_dpmac; } + mac->if_link_type = attr.link_type; + dpmac_node = dpaa2_mac_get_node(attr.id); if (!dpmac_node) { netdev_err(net_dev, "No dpmac@%d node found.\n", attr.id); diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-mac.h b/drivers/net/ethernet/freescale/dpaa2/dpaa2-mac.h index 4da8079b9155..2130d9c7d40e 100644 --- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-mac.h +++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-mac.h @@ -20,6 +20,7 @@ struct dpaa2_mac { struct phylink_config phylink_config; struct phylink *phylink; phy_interface_t if_mode; + enum dpmac_link_type if_link_type; }; bool dpaa2_mac_is_type_fixed(struct fsl_mc_device *dpmac_dev, From patchwork Tue Feb 25 09:39:13 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Russell King (Oracle)" X-Patchwork-Id: 11403101 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 4E93114D5 for ; Tue, 25 Feb 2020 09:42:30 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id E5FD820656 for ; 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bh=U2C389YDD9wIDLDhBEkkx1b5Jtw0Ypfhi+Dyxt33wDk=; b=AGDHjyCLjHXQ8WvCZNHIq4KmbF P5xZ8nPLDlJO6hfY+pjt5BHvcAufVT6WDzwvtnNwBgL1Rmg0KJasWeAB86MYx//DUvKQsSYLqNOkk uAhvp9TTWY+sMz93a/aUi0aBzWwKPo1O5fo+HXENu4KBhbiFRDL6iNdL7Zf5XwJ5Wy/zaRTNog4fO Qkyzxvfu+Ch36KvS9BKHUqSkIFgVQNJEGyAz9PrwhLBm82X/MgIfioMfpi2/bSVvzaNkKKIkq9yHH i6Yknr7Ok2muaD1yb38ve8aKohbh+e/+jXVhEKH4KAONXNkQo2/cAFSEjPm7L92Hn1QYTppt5SVVF sTZlS0WQ==; Received: from e0022681537dd.dyn.armlinux.org.uk ([2001:4d48:ad52:3201:222:68ff:fe15:37dd]:51288 helo=rmk-PC.armlinux.org.uk) by pandora.armlinux.org.uk with esmtpsa (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.90_1) (envelope-from ) id 1j6WgT-0008Pc-Ti; Tue, 25 Feb 2020 09:39:22 +0000 Received: from rmk by rmk-PC.armlinux.org.uk with local (Exim 4.92) (envelope-from ) id 1j6WgL-0000TQ-FZ; Tue, 25 Feb 2020 09:39:13 +0000 In-Reply-To: <20200225093703.GS25745@shell.armlinux.org.uk> References: <20200225093703.GS25745@shell.armlinux.org.uk> From: Russell King To: Andrew Lunn , Florian Fainelli , Heiner Kallweit Subject: [PATCH net-next 6/8] net: macb: use resolved link config in mac_link_up() MIME-Version: 1.0 Content-Disposition: inline Message-Id: Date: Tue, 25 Feb 2020 09:39:13 +0000 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200225_014134_076477_64A91504 X-CRM114-Status: GOOD ( 12.05 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.3 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [2001:4d48:ad52:3201:214:fdff:fe10:1be6 listed in] [list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.0 SPF_NONE SPF: sender does not publish an SPF Record 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-doc@vger.kernel.org, Thomas Petazzoni , Ioana Ciornei , linux-stm32@st-md-mailman.stormreply.com, Jonathan Corbet , Michal Simek , Jose Abreu , Jakub Kicinski , Mark Lee , Sean Wang , Alexandre Torgue , Hauke Mehrtens , Radhey Shyam Pandey , linux-mediatek@lists.infradead.org, John Crispin , Matthias Brugger , Giuseppe Cavallaro , linux-arm-kernel@lists.infradead.org, netdev@vger.kernel.org, Vivien Didelot , Maxime Coquelin , Vladimir Oltean , "David S. Miller" , Felix Fietkau Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Convert the macb ethernet driver to use the finalised link parameters in mac_link_up() rather than the parameters in mac_config(). Tested-by: Alexandre Belloni Signed-off-by: Russell King --- drivers/net/ethernet/cadence/macb.h | 1 - drivers/net/ethernet/cadence/macb_main.c | 50 ++++++++++++++---------- 2 files changed, 29 insertions(+), 22 deletions(-) diff --git a/drivers/net/ethernet/cadence/macb.h b/drivers/net/ethernet/cadence/macb.h index a3f0f27fc79a..ab827fb4b6b9 100644 --- a/drivers/net/ethernet/cadence/macb.h +++ b/drivers/net/ethernet/cadence/macb.h @@ -1200,7 +1200,6 @@ struct macb { unsigned int dma_burst_length; phy_interface_t phy_interface; - int speed; /* AT91RM9200 transmit */ struct sk_buff *skb; /* holds skb until xmit interrupt completes */ diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c index 7ab0bef5e1bd..3a7c26b08607 100644 --- a/drivers/net/ethernet/cadence/macb_main.c +++ b/drivers/net/ethernet/cadence/macb_main.c @@ -571,37 +571,20 @@ static void macb_mac_config(struct phylink_config *config, unsigned int mode, old_ctrl = ctrl = macb_or_gem_readl(bp, NCFGR); - /* Clear all the bits we might set later */ - ctrl &= ~(MACB_BIT(SPD) | MACB_BIT(FD) | MACB_BIT(PAE)); - if (bp->caps & MACB_CAPS_MACB_IS_EMAC) { if (state->interface == PHY_INTERFACE_MODE_RMII) ctrl |= MACB_BIT(RM9200_RMII); } else { - ctrl &= ~(GEM_BIT(GBE) | GEM_BIT(SGMIIEN) | GEM_BIT(PCSSEL)); - - /* We do not support MLO_PAUSE_RX yet */ - if (state->pause & MLO_PAUSE_TX) - ctrl |= MACB_BIT(PAE); + ctrl &= ~(GEM_BIT(SGMIIEN) | GEM_BIT(PCSSEL)); if (state->interface == PHY_INTERFACE_MODE_SGMII) ctrl |= GEM_BIT(SGMIIEN) | GEM_BIT(PCSSEL); } - if (state->speed == SPEED_1000) - ctrl |= GEM_BIT(GBE); - else if (state->speed == SPEED_100) - ctrl |= MACB_BIT(SPD); - - if (state->duplex) - ctrl |= MACB_BIT(FD); - /* Apply the new configuration, if any */ if (old_ctrl ^ ctrl) macb_or_gem_writel(bp, NCFGR, ctrl); - bp->speed = state->speed; - spin_unlock_irqrestore(&bp->lock, flags); } @@ -635,10 +618,33 @@ static void macb_mac_link_up(struct phylink_config *config, struct net_device *ndev = to_net_dev(config->dev); struct macb *bp = netdev_priv(ndev); struct macb_queue *queue; + unsigned long flags; unsigned int q; + u32 ctrl; + + spin_lock_irqsave(&bp->lock, flags); + + ctrl = macb_or_gem_readl(bp, NCFGR); + + ctrl &= ~(MACB_BIT(SPD) | MACB_BIT(FD)); + + if (speed == SPEED_100) + ctrl |= MACB_BIT(SPD); + + if (duplex) + ctrl |= MACB_BIT(FD); if (!(bp->caps & MACB_CAPS_MACB_IS_EMAC)) { - macb_set_tx_clk(bp->tx_clk, bp->speed, ndev); + ctrl &= ~(GEM_BIT(GBE) | MACB_BIT(PAE)); + + if (speed == SPEED_1000) + ctrl |= GEM_BIT(GBE); + + /* We do not support MLO_PAUSE_RX yet */ + if (tx_pause) + ctrl |= MACB_BIT(PAE); + + macb_set_tx_clk(bp->tx_clk, speed, ndev); /* Initialize rings & buffers as clearing MACB_BIT(TE) in link down * cleared the pipeline and control registers. @@ -651,6 +657,10 @@ static void macb_mac_link_up(struct phylink_config *config, bp->rx_intr_mask | MACB_TX_INT_FLAGS | MACB_BIT(HRESP)); } + macb_or_gem_writel(bp, NCFGR, ctrl); + + spin_unlock_irqrestore(&bp->lock, flags); + /* Enable Rx and Tx */ macb_writel(bp, NCR, macb_readl(bp, NCR) | MACB_BIT(RE) | MACB_BIT(TE)); @@ -4432,8 +4442,6 @@ static int macb_probe(struct platform_device *pdev) else bp->phy_interface = interface; - bp->speed = SPEED_UNKNOWN; - /* IP specific init */ err = init(pdev); if (err) From patchwork Tue Feb 25 09:39:18 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Russell King (Oracle)" X-Patchwork-Id: 11403097 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 9C5CD930 for ; Tue, 25 Feb 2020 09:41:54 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 6898920656 for ; Tue, 25 Feb 2020 09:41:54 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="lqNIbhZt"; 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Received: from e0022681537dd.dyn.armlinux.org.uk ([2002:4e20:1eda:1:222:68ff:fe15:37dd]:58922 helo=rmk-PC.armlinux.org.uk) by pandora.armlinux.org.uk with esmtpsa (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.90_1) (envelope-from ) id 1j6WgY-0008Pi-R0; Tue, 25 Feb 2020 09:39:27 +0000 Received: from rmk by rmk-PC.armlinux.org.uk with local (Exim 4.92) (envelope-from ) id 1j6WgQ-0000Tc-JZ; Tue, 25 Feb 2020 09:39:18 +0000 In-Reply-To: <20200225093703.GS25745@shell.armlinux.org.uk> References: <20200225093703.GS25745@shell.armlinux.org.uk> From: Russell King To: Andrew Lunn , Florian Fainelli , Heiner Kallweit Subject: [PATCH net-next 7/8] net: mvneta: use resolved link config in mac_link_up() MIME-Version: 1.0 Content-Disposition: inline Message-Id: Date: Tue, 25 Feb 2020 09:39:18 +0000 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200225_014133_931440_CFCF7CE9 X-CRM114-Status: GOOD ( 10.90 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.3 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [2001:4d48:ad52:3201:214:fdff:fe10:1be6 listed in] [list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.0 SPF_NONE SPF: sender does not publish an SPF Record 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-doc@vger.kernel.org, Thomas Petazzoni , Ioana Ciornei , linux-stm32@st-md-mailman.stormreply.com, Jonathan Corbet , Michal Simek , Jose Abreu , Jakub Kicinski , Mark Lee , Sean Wang , Alexandre Torgue , Hauke Mehrtens , Radhey Shyam Pandey , linux-mediatek@lists.infradead.org, John Crispin , Matthias Brugger , Giuseppe Cavallaro , linux-arm-kernel@lists.infradead.org, netdev@vger.kernel.org, Vivien Didelot , Maxime Coquelin , Vladimir Oltean , "David S. Miller" , Felix Fietkau Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Convert the Marvell mvneta ethernet driver to use the finalised link parameters in mac_link_up() rather than the parameters in mac_config(). Signed-off-by: Russell King --- drivers/net/ethernet/marvell/mvneta.c | 55 ++++++++++++++++++--------- 1 file changed, 38 insertions(+), 17 deletions(-) diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c index 9af3f8d5b289..b22eeb5f8700 100644 --- a/drivers/net/ethernet/marvell/mvneta.c +++ b/drivers/net/ethernet/marvell/mvneta.c @@ -3830,13 +3830,9 @@ static void mvneta_mac_config(struct phylink_config *config, unsigned int mode, new_clk = gmac_clk & ~MVNETA_GMAC_1MS_CLOCK_ENABLE; new_an = gmac_an & ~(MVNETA_GMAC_INBAND_AN_ENABLE | MVNETA_GMAC_INBAND_RESTART_AN | - MVNETA_GMAC_CONFIG_MII_SPEED | - MVNETA_GMAC_CONFIG_GMII_SPEED | MVNETA_GMAC_AN_SPEED_EN | MVNETA_GMAC_ADVERT_SYM_FLOW_CTRL | - MVNETA_GMAC_CONFIG_FLOW_CTRL | MVNETA_GMAC_AN_FLOW_CTRL_EN | - MVNETA_GMAC_CONFIG_FULL_DUPLEX | MVNETA_GMAC_AN_DUPLEX_EN); /* Even though it might look weird, when we're configured in @@ -3851,24 +3847,20 @@ static void mvneta_mac_config(struct phylink_config *config, unsigned int mode, if (phylink_test(state->advertising, Pause)) new_an |= MVNETA_GMAC_ADVERT_SYM_FLOW_CTRL; - if (state->pause & MLO_PAUSE_TXRX_MASK) - new_an |= MVNETA_GMAC_CONFIG_FLOW_CTRL; if (!phylink_autoneg_inband(mode)) { - /* Phy or fixed speed */ - if (state->duplex) - new_an |= MVNETA_GMAC_CONFIG_FULL_DUPLEX; - - if (state->speed == SPEED_1000 || state->speed == SPEED_2500) - new_an |= MVNETA_GMAC_CONFIG_GMII_SPEED; - else if (state->speed == SPEED_100) - new_an |= MVNETA_GMAC_CONFIG_MII_SPEED; + /* Phy or fixed speed - nothing to do, leave the + * configured speed, duplex and flow control as-is. + */ } else if (state->interface == PHY_INTERFACE_MODE_SGMII) { /* SGMII mode receives the state from the PHY */ new_ctrl2 |= MVNETA_GMAC2_INBAND_AN_ENABLE; new_clk |= MVNETA_GMAC_1MS_CLOCK_ENABLE; new_an = (new_an & ~(MVNETA_GMAC_FORCE_LINK_DOWN | - MVNETA_GMAC_FORCE_LINK_PASS)) | + MVNETA_GMAC_FORCE_LINK_PASS | + MVNETA_GMAC_CONFIG_MII_SPEED | + MVNETA_GMAC_CONFIG_GMII_SPEED | + MVNETA_GMAC_CONFIG_FULL_DUPLEX)) | MVNETA_GMAC_INBAND_AN_ENABLE | MVNETA_GMAC_AN_SPEED_EN | MVNETA_GMAC_AN_DUPLEX_EN; @@ -3877,7 +3869,8 @@ static void mvneta_mac_config(struct phylink_config *config, unsigned int mode, new_ctrl0 |= MVNETA_GMAC0_PORT_1000BASE_X; new_clk |= MVNETA_GMAC_1MS_CLOCK_ENABLE; new_an = (new_an & ~(MVNETA_GMAC_FORCE_LINK_DOWN | - MVNETA_GMAC_FORCE_LINK_PASS)) | + MVNETA_GMAC_FORCE_LINK_PASS | + MVNETA_GMAC_CONFIG_MII_SPEED)) | MVNETA_GMAC_INBAND_AN_ENABLE | MVNETA_GMAC_CONFIG_GMII_SPEED | /* The MAC only supports FD mode */ @@ -3977,8 +3970,36 @@ static void mvneta_mac_link_up(struct phylink_config *config, if (!phylink_autoneg_inband(mode)) { val = mvreg_read(pp, MVNETA_GMAC_AUTONEG_CONFIG); - val &= ~MVNETA_GMAC_FORCE_LINK_DOWN; + val &= ~(MVNETA_GMAC_FORCE_LINK_DOWN | + MVNETA_GMAC_CONFIG_MII_SPEED | + MVNETA_GMAC_CONFIG_GMII_SPEED | + MVNETA_GMAC_CONFIG_FLOW_CTRL | + MVNETA_GMAC_CONFIG_FULL_DUPLEX); val |= MVNETA_GMAC_FORCE_LINK_PASS; + + if (speed == SPEED_1000 || speed == SPEED_2500) + val |= MVNETA_GMAC_CONFIG_GMII_SPEED; + else if (speed == SPEED_100) + val |= MVNETA_GMAC_CONFIG_MII_SPEED; + + if (duplex == DUPLEX_FULL) + val |= MVNETA_GMAC_CONFIG_FULL_DUPLEX; + + if (tx_pause || rx_pause) + val |= MVNETA_GMAC_CONFIG_FLOW_CTRL; + + mvreg_write(pp, MVNETA_GMAC_AUTONEG_CONFIG, val); + } else { + /* When inband doesn't cover flow control or flow control is + * disabled, we need to manually configure it. This bit will + * only have effect if MVNETA_GMAC_AN_FLOW_CTRL_EN is unset. + */ + val = mvreg_read(pp, MVNETA_GMAC_AUTONEG_CONFIG); + val &= ~MVNETA_GMAC_CONFIG_FLOW_CTRL; + + if (tx_pause || rx_pause) + val |= MVNETA_GMAC_CONFIG_FLOW_CTRL; + mvreg_write(pp, MVNETA_GMAC_AUTONEG_CONFIG, val); } From patchwork Tue Feb 25 09:39:23 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Russell King (Oracle)" X-Patchwork-Id: 11403099 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 10D0814D5 for ; Tue, 25 Feb 2020 09:42:13 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id C1F78218AC for ; Tue, 25 Feb 2020 09:42:12 +0000 (UTC) Authentication-Results: mail.kernel.org; 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bh=G8lpiHOZ+WUfp/iCKEL1UO+gAa/0Xygzi08CY28mEYI=; b=XaY8BbYdPHmGr+sxih1v7fD3at dquXraYroSJyxQdtRvuGmk8eYGP+pruO+T4kO/lmwDqnbrNVTiIe0IxCI1iW8X4yPpyY09tDTVfva /KikCjw3W17Z60oymq12XzlfrBVrMUhiv+ovp7tnRz1Ztw9HPDIPJ4/rA/qB7a8O3RCQB0fWFrhH9 zQ+GdL2gKmo3JvVBdBfrziSczIia6yUGqLPYgRBLFYeszL3Wm0Nn7OJBeAFojF19dD+Tr8XAvErCa ivjT8CDg+eKauMF+m15N8hqagI2+BKChj6o/5ZfCk+X/CNvVV1hdBUw+UWbxofnHzveVxnofOrBQG TMEZwZdw==; Received: from e0022681537dd.dyn.armlinux.org.uk ([fd8f:7570:feb6:1:222:68ff:fe15:37dd]:38828 helo=rmk-PC.armlinux.org.uk) by pandora.armlinux.org.uk with esmtpsa (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.90_1) (envelope-from ) id 1j6Wgd-0008Pp-P7; Tue, 25 Feb 2020 09:39:32 +0000 Received: from rmk by rmk-PC.armlinux.org.uk with local (Exim 4.92) (envelope-from ) id 1j6WgV-0000Tk-Mu; Tue, 25 Feb 2020 09:39:23 +0000 In-Reply-To: <20200225093703.GS25745@shell.armlinux.org.uk> References: <20200225093703.GS25745@shell.armlinux.org.uk> From: Russell King To: Andrew Lunn , Florian Fainelli , Heiner Kallweit Subject: [PATCH net-next 8/8] net: mvpp2: use resolved link config in mac_link_up() MIME-Version: 1.0 Content-Disposition: inline Message-Id: Date: Tue, 25 Feb 2020 09:39:23 +0000 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200225_014134_408630_DD99F4E0 X-CRM114-Status: GOOD ( 12.79 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.3 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [2001:4d48:ad52:3201:214:fdff:fe10:1be6 listed in] [list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.0 SPF_NONE SPF: sender does not publish an SPF Record 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-doc@vger.kernel.org, Thomas Petazzoni , Ioana Ciornei , linux-stm32@st-md-mailman.stormreply.com, Jonathan Corbet , Michal Simek , Jose Abreu , Jakub Kicinski , Mark Lee , Sean Wang , Alexandre Torgue , Hauke Mehrtens , Radhey Shyam Pandey , linux-mediatek@lists.infradead.org, John Crispin , Matthias Brugger , Giuseppe Cavallaro , linux-arm-kernel@lists.infradead.org, netdev@vger.kernel.org, Vivien Didelot , Maxime Coquelin , Vladimir Oltean , "David S. Miller" , Felix Fietkau Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Convert the Marvell mvpp2 ethernet driver to use the finalised link parameters in mac_link_up() rather than the parameters in mac_config(). Signed-off-by: Russell King --- .../net/ethernet/marvell/mvpp2/mvpp2_main.c | 83 +++++++++++-------- 1 file changed, 47 insertions(+), 36 deletions(-) diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c index ed8042d97e29..6b9c7ed2547e 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c @@ -4976,15 +4976,13 @@ static void mvpp2_gmac_config(struct mvpp2_port *port, unsigned int mode, old_ctrl2 = ctrl2 = readl(port->base + MVPP2_GMAC_CTRL_2_REG); old_ctrl4 = ctrl4 = readl(port->base + MVPP22_GMAC_CTRL_4_REG); - an &= ~(MVPP2_GMAC_CONFIG_MII_SPEED | MVPP2_GMAC_CONFIG_GMII_SPEED | - MVPP2_GMAC_AN_SPEED_EN | MVPP2_GMAC_FC_ADV_EN | + an &= ~(MVPP2_GMAC_AN_SPEED_EN | MVPP2_GMAC_FC_ADV_EN | MVPP2_GMAC_FC_ADV_ASM_EN | MVPP2_GMAC_FLOW_CTRL_AUTONEG | - MVPP2_GMAC_CONFIG_FULL_DUPLEX | MVPP2_GMAC_AN_DUPLEX_EN | - MVPP2_GMAC_IN_BAND_AUTONEG | MVPP2_GMAC_IN_BAND_AUTONEG_BYPASS); + MVPP2_GMAC_AN_DUPLEX_EN | MVPP2_GMAC_IN_BAND_AUTONEG | + MVPP2_GMAC_IN_BAND_AUTONEG_BYPASS); ctrl0 &= ~MVPP2_GMAC_PORT_TYPE_MASK; ctrl2 &= ~(MVPP2_GMAC_INBAND_AN_MASK | MVPP2_GMAC_PORT_RESET_MASK | MVPP2_GMAC_PCS_ENABLE_MASK); - ctrl4 &= ~(MVPP22_CTRL4_RX_FC_EN | MVPP22_CTRL4_TX_FC_EN); /* Configure port type */ if (phy_interface_mode_is_8023z(state->interface)) { @@ -5014,31 +5012,20 @@ static void mvpp2_gmac_config(struct mvpp2_port *port, unsigned int mode, /* Configure negotiation style */ if (!phylink_autoneg_inband(mode)) { - /* Phy or fixed speed - no in-band AN */ - if (state->duplex) - an |= MVPP2_GMAC_CONFIG_FULL_DUPLEX; - - if (state->speed == SPEED_1000 || state->speed == SPEED_2500) - an |= MVPP2_GMAC_CONFIG_GMII_SPEED; - else if (state->speed == SPEED_100) - an |= MVPP2_GMAC_CONFIG_MII_SPEED; - - if (state->pause & MLO_PAUSE_TX) - ctrl4 |= MVPP22_CTRL4_TX_FC_EN; - if (state->pause & MLO_PAUSE_RX) - ctrl4 |= MVPP22_CTRL4_RX_FC_EN; + /* Phy or fixed speed - no in-band AN, nothing to do, leave the + * configured speed, duplex and flow control as-is. + */ } else if (state->interface == PHY_INTERFACE_MODE_SGMII) { /* SGMII in-band mode receives the speed and duplex from * the PHY. Flow control information is not received. */ - an &= ~(MVPP2_GMAC_FORCE_LINK_DOWN | MVPP2_GMAC_FORCE_LINK_PASS); + an &= ~(MVPP2_GMAC_FORCE_LINK_DOWN | + MVPP2_GMAC_FORCE_LINK_PASS | + MVPP2_GMAC_CONFIG_MII_SPEED | + MVPP2_GMAC_CONFIG_GMII_SPEED | + MVPP2_GMAC_CONFIG_FULL_DUPLEX); an |= MVPP2_GMAC_IN_BAND_AUTONEG | MVPP2_GMAC_AN_SPEED_EN | MVPP2_GMAC_AN_DUPLEX_EN; - - if (state->pause & MLO_PAUSE_TX) - ctrl4 |= MVPP22_CTRL4_TX_FC_EN; - if (state->pause & MLO_PAUSE_RX) - ctrl4 |= MVPP22_CTRL4_RX_FC_EN; } else if (phy_interface_mode_is_8023z(state->interface)) { /* 1000BaseX and 2500BaseX ports cannot negotiate speed nor can * they negotiate duplex: they are always operating with a fixed @@ -5046,19 +5033,17 @@ static void mvpp2_gmac_config(struct mvpp2_port *port, unsigned int mode, * speed and full duplex here. */ ctrl0 |= MVPP2_GMAC_PORT_TYPE_MASK; - an &= ~(MVPP2_GMAC_FORCE_LINK_DOWN | MVPP2_GMAC_FORCE_LINK_PASS); + an &= ~(MVPP2_GMAC_FORCE_LINK_DOWN | + MVPP2_GMAC_FORCE_LINK_PASS | + MVPP2_GMAC_CONFIG_MII_SPEED | + MVPP2_GMAC_CONFIG_GMII_SPEED | + MVPP2_GMAC_CONFIG_FULL_DUPLEX); an |= MVPP2_GMAC_IN_BAND_AUTONEG | MVPP2_GMAC_CONFIG_GMII_SPEED | MVPP2_GMAC_CONFIG_FULL_DUPLEX; - if (state->pause & MLO_PAUSE_AN && state->an_enabled) { + if (state->pause & MLO_PAUSE_AN && state->an_enabled) an |= MVPP2_GMAC_FLOW_CTRL_AUTONEG; - } else { - if (state->pause & MLO_PAUSE_TX) - ctrl4 |= MVPP22_CTRL4_TX_FC_EN; - if (state->pause & MLO_PAUSE_RX) - ctrl4 |= MVPP22_CTRL4_RX_FC_EN; - } } /* Some fields of the auto-negotiation register require the port to be down when @@ -5155,18 +5140,44 @@ static void mvpp2_mac_link_up(struct phylink_config *config, struct mvpp2_port *port = netdev_priv(dev); u32 val; - if (!phylink_autoneg_inband(mode)) { - if (mvpp2_is_xlg(interface)) { + if (mvpp2_is_xlg(interface)) { + if (!phylink_autoneg_inband(mode)) { val = readl(port->base + MVPP22_XLG_CTRL0_REG); val &= ~MVPP22_XLG_CTRL0_FORCE_LINK_DOWN; val |= MVPP22_XLG_CTRL0_FORCE_LINK_PASS; writel(val, port->base + MVPP22_XLG_CTRL0_REG); - } else { + } + } else { + if (!phylink_autoneg_inband(mode)) { val = readl(port->base + MVPP2_GMAC_AUTONEG_CONFIG); - val &= ~MVPP2_GMAC_FORCE_LINK_DOWN; + val &= ~(MVPP2_GMAC_FORCE_LINK_DOWN | + MVPP2_GMAC_CONFIG_MII_SPEED | + MVPP2_GMAC_CONFIG_GMII_SPEED | + MVPP2_GMAC_CONFIG_FULL_DUPLEX); val |= MVPP2_GMAC_FORCE_LINK_PASS; + + if (speed == SPEED_1000 || speed == SPEED_2500) + val |= MVPP2_GMAC_CONFIG_GMII_SPEED; + else if (speed == SPEED_100) + val |= MVPP2_GMAC_CONFIG_MII_SPEED; + + if (duplex == DUPLEX_FULL) + val |= MVPP2_GMAC_CONFIG_FULL_DUPLEX; + writel(val, port->base + MVPP2_GMAC_AUTONEG_CONFIG); } + + /* We can always update the flow control enable bits; + * these will only be effective if flow control AN + * (MVPP2_GMAC_FLOW_CTRL_AUTONEG) is disabled. + */ + val = readl(port->base + MVPP22_GMAC_CTRL_4_REG); + val &= ~(MVPP22_CTRL4_RX_FC_EN | MVPP22_CTRL4_TX_FC_EN); + if (tx_pause) + val |= MVPP22_CTRL4_TX_FC_EN; + if (rx_pause) + val |= MVPP22_CTRL4_RX_FC_EN; + writel(val, port->base + MVPP22_GMAC_CTRL_4_REG); } mvpp2_port_enable(port);