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Wed, 10 Jan 2024 11:44:06 GMT Received: from akronite-sh-dev02.qualcomm.com (10.80.80.8) by nalasex01c.na.qualcomm.com (10.47.97.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.40; Wed, 10 Jan 2024 03:43:56 -0800 From: Luo Jie To: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , CC: , , , , , , , , , , , , , , Subject: [PATCH net-next 18/20] net: ethernet: qualcomm: Add PPE MAC support for phylink Date: Wed, 10 Jan 2024 19:40:30 +0800 Message-ID: <20240110114033.32575-19-quic_luoj@quicinc.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20240110114033.32575-1-quic_luoj@quicinc.com> References: <20240110114033.32575-1-quic_luoj@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nalasex01c.na.qualcomm.com (10.47.97.35) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: DMeM8tfRKtKaHPLHeJRcTZKeHduT7KHU X-Proofpoint-ORIG-GUID: DMeM8tfRKtKaHPLHeJRcTZKeHduT7KHU X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.997,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-12-09_02,2023-12-07_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 mlxscore=0 spamscore=0 bulkscore=0 clxscore=1015 impostorscore=0 malwarescore=0 lowpriorityscore=0 priorityscore=1501 phishscore=0 suspectscore=0 mlxlogscore=999 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2311290000 definitions=main-2401100096 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240110_034428_838073_A9212D41 X-CRM114-Status: GOOD ( 21.13 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Lei Wei This driver adds support for PPE MAC initialization and MAC operations which used by phylink. Signed-off-by: Lei Wei Signed-off-by: Luo Jie --- drivers/net/ethernet/qualcomm/Kconfig | 3 + drivers/net/ethernet/qualcomm/ppe/ppe.c | 904 +++++++++++++++++++ drivers/net/ethernet/qualcomm/ppe/ppe.h | 33 + drivers/net/ethernet/qualcomm/ppe/ppe_regs.h | 112 +++ include/linux/soc/qcom/ppe.h | 33 + 5 files changed, 1085 insertions(+) diff --git a/drivers/net/ethernet/qualcomm/Kconfig b/drivers/net/ethernet/qualcomm/Kconfig index fe826c508f64..261f6b8c0d2e 100644 --- a/drivers/net/ethernet/qualcomm/Kconfig +++ b/drivers/net/ethernet/qualcomm/Kconfig @@ -65,6 +65,9 @@ config QCOM_PPE tristate "Qualcomm Technologies, Inc. PPE Ethernet support" depends on HAS_IOMEM && OF depends on COMMON_CLK + select PHYLINK + select HWMON + select SFP help This driver supports the Qualcomm Technologies, Inc. packet process engine(PPE) available with IPQ SoC. The PPE houses diff --git a/drivers/net/ethernet/qualcomm/ppe/ppe.c b/drivers/net/ethernet/qualcomm/ppe/ppe.c index 21040efe71fc..d241ff3eab84 100644 --- a/drivers/net/ethernet/qualcomm/ppe/ppe.c +++ b/drivers/net/ethernet/qualcomm/ppe/ppe.c @@ -13,6 +13,8 @@ #include #include #include +#include +#include #include #include "ppe.h" #include "ppe_regs.h" @@ -197,6 +199,19 @@ struct reset_control **ppe_reset_get(struct ppe_device *ppe_dev) return ppe_dev_priv->rst; } +static struct ppe_port *ppe_port_get(struct ppe_device *ppe_dev, int port) +{ + struct ppe_ports *ppe_ports = (struct ppe_ports *)ppe_dev->ports; + int i = 0; + + for (i = 0; i < ppe_ports->num; i++) { + if (ppe_ports->port[i].port_id == port) + return &ppe_ports->port[i]; + } + + return NULL; +} + static int ppe_clock_set_enable(struct ppe_device *ppe_dev, enum ppe_clk_id clk_id, unsigned long rate) { @@ -302,6 +317,869 @@ static int ppe_clock_config(struct platform_device *pdev) return 0; } +static int ppe_port_mac_reset(struct ppe_device *ppe_dev, int port) +{ + struct ppe_data *ppe_dev_priv = ppe_dev->ppe_priv; + + reset_control_assert(ppe_dev_priv->rst[PPE_NSS_PORT1_MAC_RST + port - 1]); + if (ppe_dev_priv->ppe_type == PPE_TYPE_APPE) { + reset_control_assert(ppe_dev_priv->rst[PPE_NSS_PORT1_RST + port]); + } else if (ppe_dev_priv->ppe_type == PPE_TYPE_MPPE) { + reset_control_assert(ppe_dev_priv->rst[PPE_NSS_PORT1_RX_RST + ((port - 1) << 1)]); + reset_control_assert(ppe_dev_priv->rst[PPE_NSS_PORT1_TX_RST + ((port - 1) << 1)]); + } + fsleep(150000); + + reset_control_deassert(ppe_dev_priv->rst[PPE_NSS_PORT1_MAC_RST + port - 1]); + if (ppe_dev_priv->ppe_type == PPE_TYPE_APPE) { + reset_control_deassert(ppe_dev_priv->rst[PPE_NSS_PORT1_RST + port]); + } else if (ppe_dev_priv->ppe_type == PPE_TYPE_MPPE) { + reset_control_deassert(ppe_dev_priv->rst[PPE_NSS_PORT1_RX_RST + ((port - 1) << 1)]); + reset_control_deassert(ppe_dev_priv->rst[PPE_NSS_PORT1_TX_RST + ((port - 1) << 1)]); + } + fsleep(150000); + + return 0; +} + +static int ppe_gcc_port_speed_clk_set(struct ppe_device *ppe_dev, + int port, int speed, phy_interface_t interface) +{ + struct ppe_data *ppe_dev_priv = ppe_dev->ppe_priv; + enum ppe_clk_id rx_id, tx_id; + unsigned long rate = 0; + int err = 0; + + rx_id = PPE_NSS_PORT1_RX_CLK + ((port - 1) << 1); + tx_id = PPE_NSS_PORT1_TX_CLK + ((port - 1) << 1); + + switch (interface) { + case PHY_INTERFACE_MODE_USXGMII: + case PHY_INTERFACE_MODE_10GKR: + case PHY_INTERFACE_MODE_QUSGMII: + case PHY_INTERFACE_MODE_10GBASER: + if (speed == SPEED_10) + rate = 1250000; + else if (speed == SPEED_100) + rate = 12500000; + else if (speed == SPEED_1000) + rate = 125000000; + else if (speed == SPEED_2500) + rate = 78125000; + else if (speed == SPEED_5000) + rate = 156250000; + else if (speed == SPEED_10000) + rate = 312500000; + break; + case PHY_INTERFACE_MODE_2500BASEX: + if (speed == SPEED_2500) + rate = 312500000; + break; + case PHY_INTERFACE_MODE_QSGMII: + case PHY_INTERFACE_MODE_1000BASEX: + case PHY_INTERFACE_MODE_SGMII: + if (speed == SPEED_10) + rate = 2500000; + else if (speed == SPEED_100) + rate = 25000000; + else if (speed == SPEED_1000) + rate = 125000000; + break; + default: + break; + } + + if (!IS_ERR(ppe_dev_priv->clk[rx_id])) { + err = clk_set_rate(ppe_dev_priv->clk[rx_id], rate); + if (err) { + dev_err(ppe_dev->dev, + "Failed to set ppe port %d speed rx clk(%d)\n", + port, rx_id); + return err; + } + } + + if (!IS_ERR(ppe_dev_priv->clk[tx_id])) { + err = clk_set_rate(ppe_dev_priv->clk[tx_id], rate); + if (err) { + dev_err(ppe_dev->dev, + "Failed to set ppe port %d speed rx clk(%d)\n", + port, rx_id); + return err; + } + } + + return 0; +} + +static int ppe_mac_speed_set(struct ppe_device *ppe_dev, + int port, int speed, phy_interface_t interface) +{ + struct ppe_port *ppe_port = ppe_port_get(ppe_dev, port); + u32 val; + + if (!ppe_port) { + dev_err(ppe_dev->dev, "Failed to find ppe port %d\n", port); + return -ENOENT; + } + + if (ppe_port->mac_type == PPE_MAC_TYPE_GMAC) { + ppe_read(ppe_dev, + PPE_PORT_GMAC_ADDR(port) + GMAC_SPEED, + &val); + val &= ~GMAC_SPEED_MASK; + switch (speed) { + case SPEED_10: + val |= GMAC_SPEED_10; + break; + case SPEED_100: + val |= GMAC_SPEED_100; + break; + case SPEED_1000: + val |= GMAC_SPEED_1000; + break; + default: + break; + } + ppe_write(ppe_dev, + PPE_PORT_GMAC_ADDR(port) + GMAC_SPEED, + val); + } else if (ppe_port->mac_type == PPE_MAC_TYPE_XGMAC) { + ppe_read(ppe_dev, + PPE_PORT_XGMAC_ADDR(port) + XGMAC_TX_CONFIGURATION, + &val); + val &= ~XGMAC_SPEED_MASK; + switch (speed) { + case SPEED_10000: + if (interface == PHY_INTERFACE_MODE_USXGMII || + interface == PHY_INTERFACE_MODE_QUSGMII) + val |= XGMAC_SPEED_10000_USXGMII; + else + val |= XGMAC_SPEED_10000; + break; + case SPEED_5000: + val |= XGMAC_SPEED_5000; + break; + case SPEED_2500: + if (interface == PHY_INTERFACE_MODE_USXGMII || + interface == PHY_INTERFACE_MODE_QUSGMII) + val |= XGMAC_SPEED_2500_USXGMII; + else + val |= XGMAC_SPEED_2500; + break; + case SPEED_1000: + val |= XGMAC_SPEED_1000; + break; + case SPEED_100: + val |= XGMAC_SPEED_100; + break; + case SPEED_10: + val |= XGMAC_SPEED_10; + break; + default: + break; + } + ppe_write(ppe_dev, + PPE_PORT_XGMAC_ADDR(port) + XGMAC_TX_CONFIGURATION, + val); + } + + return 0; +} + +static int ppe_mac_duplex_set(struct ppe_device *ppe_dev, int port, int duplex) +{ + struct ppe_port *ppe_port = ppe_port_get(ppe_dev, port); + u32 val; + + if (!ppe_port) { + dev_err(ppe_dev->dev, "Failed to find ppe port %d\n", port); + return -ENOENT; + } + + if (ppe_port->mac_type == PPE_MAC_TYPE_GMAC) { + ppe_read(ppe_dev, + PPE_PORT_GMAC_ADDR(port) + GMAC_ENABLE, + &val); + if (duplex == DUPLEX_FULL) + val |= GMAC_DUPLEX_FULL; + else + val &= ~GMAC_DUPLEX_FULL; + ppe_write(ppe_dev, + PPE_PORT_GMAC_ADDR(port) + GMAC_ENABLE, + val); + } + + return 0; +} + +static int ppe_mac_txfc_status_set(struct ppe_device *ppe_dev, int port, bool enable) +{ + struct ppe_port *ppe_port = ppe_port_get(ppe_dev, port); + u32 val; + + if (!ppe_port) { + dev_err(ppe_dev->dev, "Failed to find ppe port %d\n", port); + return -ENOENT; + } + + if (ppe_port->mac_type == PPE_MAC_TYPE_GMAC) { + ppe_read(ppe_dev, + PPE_PORT_GMAC_ADDR(port) + GMAC_ENABLE, + &val); + if (enable) + val |= GMAC_TX_FLOW_EN; + else + val &= ~GMAC_TX_FLOW_EN; + ppe_write(ppe_dev, + PPE_PORT_GMAC_ADDR(port) + GMAC_ENABLE, + val); + } else if (ppe_port->mac_type == PPE_MAC_TYPE_XGMAC) { + ppe_read(ppe_dev, + PPE_PORT_XGMAC_ADDR(port) + XGMAC_Q0_TX_FLOW_CTRL, + &val); + if (enable) { + val &= ~XGMAC_PT_MASK; + val |= (XGMAC_PAUSE_TIME | XGMAC_TFE); + } else { + val &= ~XGMAC_TFE; + } + ppe_write(ppe_dev, + PPE_PORT_XGMAC_ADDR(port) + XGMAC_Q0_TX_FLOW_CTRL, + val); + } + + ppe_read(ppe_dev, + PPE_BM_PORT_FC_MODE + PPE_BM_PORT_FC_MODE_INC * (port + 7), + &val); + if (enable) + val |= PPE_BM_PORT_FC_MODE_EN; + else + val &= ~PPE_BM_PORT_FC_MODE_EN; + ppe_write(ppe_dev, + PPE_BM_PORT_FC_MODE + PPE_BM_PORT_FC_MODE_INC * (port + 7), + val); + + return 0; +} + +static int ppe_mac_rxfc_status_set(struct ppe_device *ppe_dev, int port, bool enable) +{ + struct ppe_port *ppe_port = ppe_port_get(ppe_dev, port); + u32 val; + + if (!ppe_port) { + dev_err(ppe_dev->dev, "Failed to find ppe port %d\n", port); + return -ENOENT; + } + + if (ppe_port->mac_type == PPE_MAC_TYPE_GMAC) { + ppe_read(ppe_dev, + PPE_PORT_GMAC_ADDR(port) + GMAC_ENABLE, + &val); + if (enable) + val |= GMAC_RX_FLOW_EN; + else + val &= ~GMAC_RX_FLOW_EN; + ppe_write(ppe_dev, + PPE_PORT_GMAC_ADDR(port) + GMAC_ENABLE, + val); + } else if (ppe_port->mac_type == PPE_MAC_TYPE_XGMAC) { + ppe_read(ppe_dev, + PPE_PORT_XGMAC_ADDR(port) + XGMAC_RX_FLOW_CTRL, + &val); + if (enable) + val |= XGMAC_RFE; + else + val &= ~XGMAC_RFE; + ppe_write(ppe_dev, + PPE_PORT_XGMAC_ADDR(port) + XGMAC_RX_FLOW_CTRL, + val); + } + + return 0; +} + +static int ppe_mac_txmac_en_set(struct ppe_device *ppe_dev, int port, bool enable) +{ + struct ppe_port *ppe_port = ppe_port_get(ppe_dev, port); + u32 val; + + if (!ppe_port) { + dev_err(ppe_dev->dev, "Failed to find ppe port %d\n", port); + return -ENOENT; + } + + if (ppe_port->mac_type == PPE_MAC_TYPE_GMAC) { + ppe_read(ppe_dev, + PPE_PORT_GMAC_ADDR(port) + GMAC_ENABLE, + &val); + if (enable) + val |= GMAC_TXMAC_EN; + else + val &= ~GMAC_TXMAC_EN; + ppe_write(ppe_dev, + PPE_PORT_GMAC_ADDR(port) + GMAC_ENABLE, + val); + } else if (ppe_port->mac_type == PPE_MAC_TYPE_XGMAC) { + ppe_read(ppe_dev, + PPE_PORT_XGMAC_ADDR(port) + XGMAC_TX_CONFIGURATION, + &val); + if (enable) + val |= XGMAC_TE; + else + val &= ~XGMAC_TE; + ppe_write(ppe_dev, + PPE_PORT_XGMAC_ADDR(port) + XGMAC_TX_CONFIGURATION, + val); + } + + return 0; +} + +static int ppe_mac_rxmac_en_set(struct ppe_device *ppe_dev, int port, bool enable) +{ + struct ppe_port *ppe_port = ppe_port_get(ppe_dev, port); + u32 val; + + if (!ppe_port) { + dev_err(ppe_dev->dev, "Failed to find ppe port %d\n", port); + return -ENOENT; + } + + if (ppe_port->mac_type == PPE_MAC_TYPE_GMAC) { + ppe_read(ppe_dev, + PPE_PORT_GMAC_ADDR(port) + GMAC_ENABLE, + &val); + if (enable) + val |= GMAC_RXMAC_EN; + else + val &= ~GMAC_RXMAC_EN; + ppe_write(ppe_dev, + PPE_PORT_GMAC_ADDR(port) + GMAC_ENABLE, + val); + } else if (ppe_port->mac_type == PPE_MAC_TYPE_XGMAC) { + ppe_read(ppe_dev, + PPE_PORT_XGMAC_ADDR(port) + XGMAC_RX_CONFIGURATION, + &val); + if (enable) + val |= XGMAC_RE; + else + val &= ~XGMAC_RE; + ppe_write(ppe_dev, + PPE_PORT_XGMAC_ADDR(port) + XGMAC_RX_CONFIGURATION, + val); + } + + return 0; +} + +static int ppe_port_bridge_txmac_en_set(struct ppe_device *ppe_dev, int port, bool enable) +{ + u32 val; + + ppe_read(ppe_dev, + PPE_PORT_BRIDGE_CTRL + PPE_PORT_BRIDGE_CTRL_INC * port, + &val); + + if (enable) + val |= PPE_PORT_BRIDGE_CTRL_TXMAC_EN; + else + val &= ~PPE_PORT_BRIDGE_CTRL_TXMAC_EN; + + ppe_write(ppe_dev, + PPE_PORT_BRIDGE_CTRL + PPE_PORT_BRIDGE_CTRL_INC * port, + val); + + return 0; +} + +static void ppe_phylink_mac_config(struct ppe_device *ppe_dev, int port, + unsigned int mode, const struct phylink_link_state *state) +{ + struct ppe_port *ppe_port = ppe_port_get(ppe_dev, port); + int mac_type; + u32 val; + + if (!ppe_port) { + dev_err(ppe_dev->dev, "Failed to find ppe port %d\n", port); + return; + } + + switch (state->interface) { + case PHY_INTERFACE_MODE_USXGMII: + case PHY_INTERFACE_MODE_2500BASEX: + case PHY_INTERFACE_MODE_10GBASER: + case PHY_INTERFACE_MODE_QUSGMII: + mac_type = PPE_MAC_TYPE_XGMAC; + break; + default: + mac_type = PPE_MAC_TYPE_GMAC; + break; + } + + if (ppe_port->mac_type != mac_type) { + /* Reset port mac for gmac */ + if (mac_type == PPE_MAC_TYPE_GMAC) + ppe_port_mac_reset(ppe_dev, port); + + /* Port mux to select gmac or xgmac */ + mutex_lock(&ppe_dev->reg_mutex); + ppe_read(ppe_dev, PPE_PORT_MUX_CTRL, &val); + if (mac_type == PPE_MAC_TYPE_GMAC) + val &= ~PPE_PORT_MAC_SEL(port); + else + val |= PPE_PORT_MAC_SEL(port); + if (port == PPE_PORT5) + val |= PPE_PORT5_PCS_SEL; + + ppe_write(ppe_dev, PPE_PORT_MUX_CTRL, val); + mutex_unlock(&ppe_dev->reg_mutex); + ppe_port->mac_type = mac_type; + } + + /* Reset ppe port link status when interface changes, + * this allows PPE MAC and UNIPHY to be configured + * according to the port link up status in ppe phylink + * mac link up. + */ + if (state->interface != ppe_port->interface) { + ppe_port->speed = SPEED_UNKNOWN; + ppe_port->duplex = DUPLEX_UNKNOWN; + ppe_port->pause = MLO_PAUSE_NONE; + ppe_port->interface = state->interface; + } + + dev_info(ppe_dev->dev, "PPE port %d mac config: interface %s, mac_type %d\n", + port, phy_modes(state->interface), mac_type); +} + +static struct phylink_pcs *ppe_phylink_mac_select_pcs(struct ppe_device *ppe_dev, + int port, phy_interface_t interface) +{ + struct ppe_uniphy *uniphy = (struct ppe_uniphy *)ppe_dev->uniphy; + int ppe_type = ppe_type_get(ppe_dev); + int index; + + switch (port) { + case PPE_PORT6: + index = 2; + break; + case PPE_PORT5: + index = 1; + break; + case PPE_PORT4: + case PPE_PORT3: + index = 0; + break; + case PPE_PORT2: + if (ppe_type == PPE_TYPE_MPPE) + index = 1; + else if (ppe_type == PPE_TYPE_APPE) + index = 0; + break; + case PPE_PORT1: + index = 0; + break; + default: + index = -1; + break; + } + + if (index >= 0) + return &uniphy[index].pcs; + else + return NULL; +} + +static void ppe_phylink_mac_link_up(struct ppe_device *ppe_dev, int port, + struct phy_device *phy, + unsigned int mode, phy_interface_t interface, + int speed, int duplex, bool tx_pause, bool rx_pause) +{ + struct phylink_pcs *pcs = ppe_phylink_mac_select_pcs(ppe_dev, port, interface); + struct ppe_uniphy *uniphy = pcs_to_ppe_uniphy(pcs); + struct ppe_port *ppe_port = ppe_port_get(ppe_dev, port); + + /* Wait uniphy auto-negotiation completion */ + ppe_uniphy_autoneg_complete_check(uniphy, port); + + if (speed != ppe_port->speed || + duplex != ppe_port->duplex || + tx_pause != !!(ppe_port->pause & MLO_PAUSE_TX) || + rx_pause != !!(ppe_port->pause & MLO_PAUSE_RX)) { + /* Disable gcc uniphy port clk */ + ppe_uniphy_port_gcc_clock_en_set(uniphy, port, false); + + if (speed != ppe_port->speed) { + /* Set gcc port speed clock */ + ppe_gcc_port_speed_clk_set(ppe_dev, port, speed, interface); + fsleep(10000); + /* Set uniphy channel speed */ + ppe_uniphy_speed_set(uniphy, port, speed); + /* Set mac speed */ + ppe_mac_speed_set(ppe_dev, port, speed, interface); + ppe_port->speed = speed; + } + + if (duplex != ppe_port->duplex) { + /* Set uniphy channel duplex */ + ppe_uniphy_duplex_set(uniphy, port, duplex); + /* Set mac duplex */ + ppe_mac_duplex_set(ppe_dev, port, duplex); + ppe_port->duplex = duplex; + } + + if (tx_pause != !!(ppe_port->pause & MLO_PAUSE_TX)) { + /* Set mac tx flow ctrl */ + ppe_mac_txfc_status_set(ppe_dev, port, tx_pause); + if (tx_pause) + ppe_port->pause |= MLO_PAUSE_TX; + else + ppe_port->pause &= ~MLO_PAUSE_TX; + } + + if (rx_pause != !!(ppe_port->pause & MLO_PAUSE_RX)) { + /* Set mac rx flow ctrl */ + ppe_mac_rxfc_status_set(ppe_dev, port, rx_pause); + if (rx_pause) + ppe_port->pause |= MLO_PAUSE_RX; + else + ppe_port->pause &= ~MLO_PAUSE_RX; + } + + /* Enable gcc uniphy port clk */ + ppe_uniphy_port_gcc_clock_en_set(uniphy, port, true); + + /* Reset uniphy channel adapter */ + ppe_uniphy_adapter_reset(uniphy, port); + } + + /* Enable ppe mac tx and rx */ + ppe_mac_txmac_en_set(ppe_dev, port, true); + ppe_mac_rxmac_en_set(ppe_dev, port, true); + + /* Enable ppe bridge port tx mac */ + ppe_port_bridge_txmac_en_set(ppe_dev, port, true); + + dev_info(ppe_dev->dev, + "PPE port %d interface %s link up - %s%s - pause tx %d rx %d\n", + port, phy_modes(interface), phy_speed_to_str(speed), + phy_duplex_to_str(duplex), tx_pause, rx_pause); +} + +static void ppe_phylink_mac_link_down(struct ppe_device *ppe_dev, int port, + unsigned int mode, phy_interface_t interface) +{ + struct ppe_port *ppe_port = ppe_port_get(ppe_dev, port); + + if (!ppe_port) + dev_err(ppe_dev->dev, "Failed to find ppe port %d\n", port); + + /* Disable ppe port bridge tx mac */ + ppe_port_bridge_txmac_en_set(ppe_dev, port, false); + + /* Disable ppe mac rx */ + ppe_mac_rxmac_en_set(ppe_dev, port, false); + fsleep(10000); + + /* Disable ppe mac tx */ + ppe_mac_txmac_en_set(ppe_dev, port, false); + + dev_info(ppe_dev->dev, "PPE port %d interface %s link down\n", + port, phy_modes(interface)); +} + +static int ppe_mac_init(struct platform_device *pdev) +{ + struct device_node *ports_node, *port_node; + struct ppe_device *ppe_dev = platform_get_drvdata(pdev); + struct ppe_ports *ppe_ports = NULL; + phy_interface_t phy_mode = PHY_INTERFACE_MODE_NA; + int i = 0, port = 0, err = 0, port_num = 0; + + ports_node = of_get_child_by_name(pdev->dev.of_node, "qcom,port_phyinfo"); + if (!ports_node) { + dev_err(&pdev->dev, "Failed to get qcom port phy info node\n"); + return -ENODEV; + } + + port_num = of_get_child_count(ports_node); + + ppe_ports = devm_kzalloc(&pdev->dev, + struct_size(ppe_ports, port, port_num), + GFP_KERNEL); + if (!ppe_ports) { + err = -ENOMEM; + goto err_ports_node_put; + } + + ppe_dev->ports = ppe_ports; + ppe_ports->num = port_num; + + for_each_available_child_of_node(ports_node, port_node) { + err = of_property_read_u32(port_node, "port_id", &port); + if (err) { + dev_err(&pdev->dev, "Failed to get port id\n"); + goto err_port_node_put; + } + + err = of_get_phy_mode(port_node, &phy_mode); + if (err) { + dev_err(&pdev->dev, "Failed to get phy mode\n"); + goto err_port_node_put; + } + + ppe_ports->port[i].ppe_dev = ppe_dev; + ppe_ports->port[i].port_id = port; + ppe_ports->port[i].np = port_node; + ppe_ports->port[i].interface = phy_mode; + ppe_ports->port[i].mac_type = PPE_MAC_TYPE_NA; + ppe_ports->port[i].speed = SPEED_UNKNOWN; + ppe_ports->port[i].duplex = DUPLEX_UNKNOWN; + ppe_ports->port[i].pause = MLO_PAUSE_NONE; + i++; + + /* Port gmac HW initialization */ + ppe_mask(ppe_dev, + PPE_PORT_GMAC_ADDR(port) + GMAC_ENABLE, + GMAC_MAC_EN, 0); + + ppe_mask(ppe_dev, + PPE_PORT_GMAC_ADDR(port) + GMAC_MAC_JUMBO_SIZE, + GMAC_JUMBO_SIZE_MASK, + FIELD_PREP(GMAC_JUMBO_SIZE_MASK, MAC_MAX_FRAME_SIZE)); + + ppe_mask(ppe_dev, + PPE_PORT_GMAC_ADDR(port) + GMAC_MAC_CTRL2, + GMAC_INIT_CTRL2_FIELD, GMAC_INIT_CTRL2); + + ppe_mask(ppe_dev, + PPE_PORT_GMAC_ADDR(port) + GMAC_MAC_DBG_CTRL, + GMAC_HIGH_IPG_MASK, + FIELD_PREP(GMAC_HIGH_IPG_MASK, GMAC_IPG_CHECK)); + + ppe_mask(ppe_dev, + PPE_PORT_GMAC_ADDR(port) + GMAC_MAC_MIB_CTRL, + MAC_MIB_EN | MAC_MIB_RD_CLR | MAC_MIB_RESET, + MAC_MIB_EN | MAC_MIB_RD_CLR | MAC_MIB_RESET); + + ppe_mask(ppe_dev, + PPE_PORT_GMAC_ADDR(port) + GMAC_MAC_MIB_CTRL, + MAC_MIB_RESET, 0); + + /* Port xgmac HW initialization */ + ppe_mask(ppe_dev, + PPE_PORT_XGMAC_ADDR(port) + XGMAC_TX_CONFIGURATION, + XGMAC_INIT_TX_CONFIG_FIELD, XGMAC_INIT_TX_CONFIG); + + ppe_mask(ppe_dev, + PPE_PORT_XGMAC_ADDR(port) + XGMAC_RX_CONFIGURATION, + XGMAC_INIT_RX_CONFIG_FIELD, XGMAC_INIT_RX_CONFIG); + + ppe_mask(ppe_dev, + PPE_PORT_XGMAC_ADDR(port) + XGMAC_WATCHDOG_TIMEOUT, + XGMAC_INIT_WATCHDOG_FIELD, XGMAC_INIT_WATCHDOG); + + ppe_mask(ppe_dev, + PPE_PORT_XGMAC_ADDR(port) + XGMAC_PACKET_FILTER, + XGMAC_INIT_FILTER_FIELD, XGMAC_INIT_FILTER); + + ppe_mask(ppe_dev, + PPE_PORT_XGMAC_ADDR(port) + XGMAC_MMC_CONTROL, + XGMAC_MCF | XGMAC_CNTRST, XGMAC_CNTRST); + } + + of_node_put(ports_node); + dev_info(ppe_dev->dev, "QCOM PPE MAC init success\n"); + return 0; + +err_port_node_put: + of_node_put(port_node); +err_ports_node_put: + of_node_put(ports_node); + return err; +} + +static void ppe_mac_config(struct phylink_config *config, unsigned int mode, + const struct phylink_link_state *state) +{ + struct ppe_device *ppe_dev = NULL; + struct ppe_port *ppe_port = container_of(config, + struct ppe_port, + phylink_config); + + if (!ppe_port) + dev_err(ppe_dev->dev, "Failed to find ppe port\n"); + + ppe_dev = ppe_port->ppe_dev; + + if (ppe_dev && ppe_dev->ppe_ops && + ppe_dev->ppe_ops->phylink_mac_config) { + ppe_dev->ppe_ops->phylink_mac_config(ppe_dev, + ppe_port->port_id, + mode, state); + } else { + dev_err(ppe_dev->dev, + "Failed to find ppe device mac config operation\n"); + } +} + +static void ppe_mac_link_down(struct phylink_config *config, unsigned int mode, + phy_interface_t interface) +{ + struct ppe_device *ppe_dev = NULL; + struct ppe_port *ppe_port = container_of(config, + struct ppe_port, + phylink_config); + + if (!ppe_port) + dev_err(ppe_dev->dev, "Failed to find ppe port\n"); + + ppe_dev = ppe_port->ppe_dev; + + if (ppe_dev && ppe_dev->ppe_ops && + ppe_dev->ppe_ops->phylink_mac_link_down) { + ppe_dev->ppe_ops->phylink_mac_link_down(ppe_dev, + ppe_port->port_id, + mode, interface); + } else { + dev_err(ppe_dev->dev, + "Failed to find ppe device link down operation\n"); + } +} + +static void ppe_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 ppe_device *ppe_dev = NULL; + struct ppe_port *ppe_port = container_of(config, + struct ppe_port, + phylink_config); + + if (!ppe_port) + dev_err(ppe_dev->dev, "Failed to find ppe port\n"); + + ppe_dev = ppe_port->ppe_dev; + + if (ppe_dev && ppe_dev->ppe_ops && + ppe_dev->ppe_ops->phylink_mac_link_up) { + ppe_dev->ppe_ops->phylink_mac_link_up(ppe_dev, + ppe_port->port_id, + phy, mode, interface, + speed, duplex, + tx_pause, rx_pause); + } else { + dev_err(ppe_dev->dev, + "Failed to find ppe device link up operation\n"); + } +} + +static struct phylink_pcs *ppe_mac_select_pcs(struct phylink_config *config, + phy_interface_t interface) +{ + struct ppe_device *ppe_dev = NULL; + struct ppe_port *ppe_port = container_of(config, + struct ppe_port, + phylink_config); + + if (!ppe_port) { + dev_err(ppe_dev->dev, "Failed to find ppe port"); + return NULL; + } + + ppe_dev = ppe_port->ppe_dev; + + if (ppe_dev && ppe_dev->ppe_ops && + ppe_dev->ppe_ops->phylink_mac_select_pcs) { + return ppe_dev->ppe_ops->phylink_mac_select_pcs(ppe_dev, + ppe_port->port_id, + interface); + } else { + dev_err(ppe_dev->dev, + "Failed to find ppe device pcs select operation\n"); + return NULL; + } +} + +static const struct phylink_mac_ops ppe_phylink_ops = { + .mac_config = ppe_mac_config, + .mac_link_down = ppe_mac_link_down, + .mac_link_up = ppe_mac_link_up, + .mac_select_pcs = ppe_mac_select_pcs, +}; + +static struct phylink *ppe_phylink_setup(struct ppe_device *ppe_dev, + struct net_device *netdev, + int port) +{ + struct ppe_port *ppe_port = ppe_port_get(ppe_dev, port); + int err; + + if (!ppe_port) { + dev_err(ppe_dev->dev, "Failed to find ppe port %d\n", port); + return NULL; + } + + /* per port phylink capability */ + ppe_port->phylink_config.dev = &netdev->dev; + ppe_port->phylink_config.type = PHYLINK_NETDEV; + ppe_port->phylink_config.mac_capabilities = MAC_ASYM_PAUSE | MAC_SYM_PAUSE | + MAC_10 | MAC_100 | MAC_1000 | MAC_2500FD | MAC_5000FD | MAC_10000FD; + __set_bit(PHY_INTERFACE_MODE_SGMII, + ppe_port->phylink_config.supported_interfaces); + __set_bit(PHY_INTERFACE_MODE_1000BASEX, + ppe_port->phylink_config.supported_interfaces); + __set_bit(PHY_INTERFACE_MODE_2500BASEX, + ppe_port->phylink_config.supported_interfaces); + __set_bit(PHY_INTERFACE_MODE_USXGMII, + ppe_port->phylink_config.supported_interfaces); + __set_bit(PHY_INTERFACE_MODE_10GBASER, + ppe_port->phylink_config.supported_interfaces); + __set_bit(PHY_INTERFACE_MODE_QSGMII, + ppe_port->phylink_config.supported_interfaces); + __set_bit(PHY_INTERFACE_MODE_QUSGMII, + ppe_port->phylink_config.supported_interfaces); + + /* create phylink */ + ppe_port->phylink = phylink_create(&ppe_port->phylink_config, + of_fwnode_handle(ppe_port->np), + ppe_port->interface, &ppe_phylink_ops); + if (IS_ERR(ppe_port->phylink)) { + dev_err(ppe_dev->dev, "Failed to create phylink for port %d\n", port); + return NULL; + } + + /* connect phylink */ + err = phylink_of_phy_connect(ppe_port->phylink, ppe_port->np, 0); + if (err) { + dev_err(ppe_dev->dev, "Failed to connect phylink for port %d\n", port); + phylink_destroy(ppe_port->phylink); + ppe_port->phylink = NULL; + return NULL; + } + + return ppe_port->phylink; +} + +static void ppe_phylink_destroy(struct ppe_device *ppe_dev, int port) +{ + struct ppe_port *ppe_port = ppe_port_get(ppe_dev, port); + + if (!ppe_port) + dev_err(ppe_dev->dev, "Failed to find ppe port %d\n", port); + + if (ppe_port->phylink) { + rtnl_lock(); + phylink_disconnect_phy(ppe_port->phylink); + rtnl_unlock(); + phylink_destroy(ppe_port->phylink); + ppe_port->phylink = NULL; + } +} + bool ppe_is_probed(struct platform_device *pdev) { struct ppe_device *ppe_dev = platform_get_drvdata(pdev); @@ -352,6 +1230,12 @@ static int ppe_port_maxframe_set(struct ppe_device *ppe_dev, } static struct ppe_device_ops qcom_ppe_ops = { + .phylink_setup = ppe_phylink_setup, + .phylink_destroy = ppe_phylink_destroy, + .phylink_mac_config = ppe_phylink_mac_config, + .phylink_mac_link_up = ppe_phylink_mac_link_up, + .phylink_mac_link_down = ppe_phylink_mac_link_down, + .phylink_mac_select_pcs = ppe_phylink_mac_select_pcs, .set_maxframe = ppe_port_maxframe_set, }; @@ -1407,6 +2291,7 @@ static int qcom_ppe_probe(struct platform_device *pdev) PTR_ERR(ppe_dev->ppe_priv), "Fail to init ppe data\n"); + mutex_init(&ppe_dev->reg_mutex); platform_set_drvdata(pdev, ppe_dev); ret = ppe_clock_config(pdev); if (ret) @@ -1426,6 +2311,10 @@ static int qcom_ppe_probe(struct platform_device *pdev) ret, "ppe device hw init failed\n"); + ret = ppe_mac_init(pdev); + if (ret) + return dev_err_probe(&pdev->dev, ret, "ppe mac initialization failed\n"); + ppe_dev->uniphy = ppe_uniphy_setup(pdev); if (IS_ERR(ppe_dev->uniphy)) return dev_err_probe(&pdev->dev, ret, "ppe uniphy initialization failed\n"); @@ -1440,10 +2329,25 @@ static int qcom_ppe_probe(struct platform_device *pdev) static int qcom_ppe_remove(struct platform_device *pdev) { struct ppe_device *ppe_dev; + struct ppe_ports *ppe_ports; + struct ppe_data *ppe_dev_priv; + int i, port; ppe_dev = platform_get_drvdata(pdev); + ppe_dev_priv = ppe_dev->ppe_priv; + ppe_ports = (struct ppe_ports *)ppe_dev->ports; + ppe_debugfs_teardown(ppe_dev); + for (i = 0; i < ppe_ports->num; i++) { + /* Reset ppe port parent clock to XO clock */ + port = ppe_ports->port[i].port_id; + clk_set_rate(ppe_dev_priv->clk[PPE_NSS_PORT1_RX_CLK + ((port - 1) << 1)], + P_XO_CLOCK_RATE); + clk_set_rate(ppe_dev_priv->clk[PPE_NSS_PORT1_TX_CLK + ((port - 1) << 1)], + P_XO_CLOCK_RATE); + } + return 0; } diff --git a/drivers/net/ethernet/qualcomm/ppe/ppe.h b/drivers/net/ethernet/qualcomm/ppe/ppe.h index 45b70f47cd21..532d53c05bf9 100644 --- a/drivers/net/ethernet/qualcomm/ppe/ppe.h +++ b/drivers/net/ethernet/qualcomm/ppe/ppe.h @@ -21,6 +21,9 @@ #define PPE_PORT6 6 #define PPE_PORT7 7 +/* PPE Port XO Clock Rate */ +#define P_XO_CLOCK_RATE 24000000 + enum ppe_clk_id { /* clocks for CMN PLL */ PPE_CMN_AHB_CLK, @@ -152,6 +155,14 @@ enum { PPE_ACTION_REDIRECTED_TO_CPU }; +/* PPE MAC Type */ +enum { + PPE_MAC_TYPE_NA, + PPE_MAC_TYPE_GMAC, + PPE_MAC_TYPE_XGMAC, + PPE_MAC_TYPE_MAX +}; + /* PPE private data of different PPE type device */ struct ppe_data { int ppe_type; @@ -172,6 +183,28 @@ struct ppe_scheduler_port_resource { int l1edrr[2]; }; +/* PPE per port data type to record port settings such as phylink + * setting, mac type, interface mode and link speed. + */ +struct ppe_port { + struct phylink *phylink; + struct phylink_config phylink_config; + struct device_node *np; + struct ppe_device *ppe_dev; + phy_interface_t interface; + int mac_type; + int port_id; + int speed; + int duplex; + int pause; +}; + +/* PPE ports data type */ +struct ppe_ports { + unsigned int num; + struct ppe_port port[]; +}; + int ppe_type_get(struct ppe_device *ppe_dev); struct clk **ppe_clock_get(struct ppe_device *ppe_dev); struct reset_control **ppe_reset_get(struct ppe_device *ppe_dev); diff --git a/drivers/net/ethernet/qualcomm/ppe/ppe_regs.h b/drivers/net/ethernet/qualcomm/ppe/ppe_regs.h index 13115405bad9..43cd067c8c73 100644 --- a/drivers/net/ethernet/qualcomm/ppe/ppe_regs.h +++ b/drivers/net/ethernet/qualcomm/ppe/ppe_regs.h @@ -7,6 +7,16 @@ #ifndef __PPE_REGS_H__ #define __PPE_REGS_H__ +#define PPE_PORT_MUX_CTRL 0x10 +#define PPE_PORT6_MAC_SEL BIT(13) +#define PPE_PORT5_MAC_SEL BIT(12) +#define PPE_PORT4_MAC_SEL BIT(11) +#define PPE_PORT3_MAC_SEL BIT(10) +#define PPE_PORT2_MAC_SEL BIT(9) +#define PPE_PORT1_MAC_SEL BIT(8) +#define PPE_PORT5_PCS_SEL BIT(4) +#define PPE_PORT_MAC_SEL(x) (PPE_PORT1_MAC_SEL << ((x) - 1)) + #define PPE_BM_TDM_CTRL 0xb000 #define PPE_BM_TDM_CTRL_NUM 1 #define PPE_BM_TDM_CTRL_INC 4 @@ -819,4 +829,106 @@ union ppe_ac_grp_cfg_u { #define PPE_ENQ_OPR_TBL_INC 0x10 #define PPE_ENQ_OPR_TBL_ENQ_DISABLE BIT(0) +/* PPE MAC Address */ +#define PPE_PORT_GMAC_ADDR(x) (0x001000 + ((x) - 1) * 0x200) +#define PPE_PORT_XGMAC_ADDR(x) (0x500000 + ((x) - 1) * 0x4000) + +/* GMAC Registers */ +#define GMAC_ENABLE 0x0 +#define GMAC_TX_FLOW_EN BIT(6) +#define GMAC_RX_FLOW_EN BIT(5) +#define GMAC_DUPLEX_FULL BIT(4) +#define GMAC_TXMAC_EN BIT(1) +#define GMAC_RXMAC_EN BIT(0) +#define GMAC_MAC_EN (GMAC_RXMAC_EN | GMAC_TXMAC_EN) + +#define GMAC_SPEED 0x4 +#define GMAC_SPEED_MASK GENMASK(1, 0) +#define GMAC_SPEED_10 0 +#define GMAC_SPEED_100 1 +#define GMAC_SPEED_1000 2 + +#define GMAC_MAC_CTRL2 0x18 +#define GMAC_TX_THD_MASK GENMASK(27, 24) +#define GMAC_MAXFR_MASK GENMASK(21, 8) +#define GMAC_CRS_SEL BIT(6) +#define GMAC_TX_THD 0x1 +#define GMAC_INIT_CTRL2_FIELD (GMAC_MAXFR_MASK | \ + GMAC_CRS_SEL | GMAC_TX_THD_MASK) +#define GMAC_INIT_CTRL2 (FIELD_PREP(GMAC_MAXFR_MASK, \ + MAC_MAX_FRAME_SIZE) | FIELD_PREP(GMAC_TX_THD_MASK, GMAC_TX_THD)) + +#define GMAC_MAC_DBG_CTRL 0x1c +#define GMAC_HIGH_IPG_MASK GENMASK(15, 8) +#define GMAC_IPG_CHECK 0xc + +#define GMAC_MAC_JUMBO_SIZE 0x30 +#define GMAC_JUMBO_SIZE_MASK GENMASK(13, 0) +#define MAC_MAX_FRAME_SIZE 0x3000 + +#define GMAC_MAC_MIB_CTRL 0x34 +#define MAC_MIB_RD_CLR BIT(2) +#define MAC_MIB_RESET BIT(1) +#define MAC_MIB_EN BIT(0) + +/* XGMAC Registers */ +#define XGMAC_TX_CONFIGURATION 0x0 +#define XGMAC_SPEED_MASK GENMASK(31, 29) +#define XGMAC_SPEED_10000_USXGMII FIELD_PREP(XGMAC_SPEED_MASK, 4) +#define XGMAC_SPEED_10000 FIELD_PREP(XGMAC_SPEED_MASK, 0) +#define XGMAC_SPEED_5000 FIELD_PREP(XGMAC_SPEED_MASK, 5) +#define XGMAC_SPEED_2500_USXGMII FIELD_PREP(XGMAC_SPEED_MASK, 6) +#define XGMAC_SPEED_2500 FIELD_PREP(XGMAC_SPEED_MASK, 2) +#define XGMAC_SPEED_1000 FIELD_PREP(XGMAC_SPEED_MASK, 3) +#define XGMAC_SPEED_100 XGMAC_SPEED_1000 +#define XGMAC_SPEED_10 XGMAC_SPEED_1000 + +#define XGMAC_JD BIT(16) +#define XGMAC_TE BIT(0) +#define XGMAC_INIT_TX_CONFIG_FIELD (XGMAC_JD | XGMAC_TE) +#define XGMAC_INIT_TX_CONFIG XGMAC_JD + +#define XGMAC_RX_CONFIGURATION 0x4 +#define XGMAC_GPSL_MASK GENMASK(29, 16) +#define XGMAC_WD BIT(7) +#define XGMAC_GPSLCE BIT(6) +#define XGMAC_CST BIT(2) +#define XGMAC_ACS BIT(1) +#define XGMAC_RE BIT(0) +#define XGMAC_INIT_RX_CONFIG_FIELD (XGMAC_RE | XGMAC_ACS | \ + XGMAC_CST | XGMAC_WD | XGMAC_GPSLCE | XGMAC_GPSL_MASK) +#define XGMAC_INIT_RX_CONFIG (XGMAC_ACS | XGMAC_CST | \ + XGMAC_GPSLCE | FIELD_PREP(XGMAC_GPSL_MASK, MAC_MAX_FRAME_SIZE)) + +#define XGMAC_PACKET_FILTER 0x8 +#define XGMAC_RA BIT(31) +#define XGMAC_PCF_MASK GENMASK(7, 6) +#define XGMAC_PR BIT(0) +#define XGMAC_PASS_CONTROL_PACKET 0x2 +#define XGMAC_INIT_FILTER_FIELD (XGMAC_RA | XGMAC_PR | \ + XGMAC_PCF_MASK) +#define XGMAC_INIT_FILTER (XGMAC_RA | XGMAC_PR | \ + FIELD_PREP(XGMAC_PCF_MASK, \ + XGMAC_PASS_CONTROL_PACKET)) + +#define XGMAC_WATCHDOG_TIMEOUT 0xc +#define XGMAC_PWE BIT(8) +#define XGMAC_WTO_MASK GENMASK(3, 0) +#define XGMAC_WTO_LIMIT_13K 0xb +#define XGMAC_INIT_WATCHDOG_FIELD (XGMAC_PWE | XGMAC_WTO_MASK) +#define XGMAC_INIT_WATCHDOG (XGMAC_PWE | \ + FIELD_PREP(XGMAC_WTO_MASK, XGMAC_WTO_LIMIT_13K)) + +#define XGMAC_Q0_TX_FLOW_CTRL 0x70 +#define XGMAC_PT_MASK GENMASK(31, 16) +#define XGMAC_PAUSE_TIME FIELD_PREP(XGMAC_PT_MASK, 0xffff) +#define XGMAC_TFE BIT(1) + +#define XGMAC_RX_FLOW_CTRL 0x90 +#define XGMAC_RFE BIT(0) + +#define XGMAC_MMC_CONTROL 0x800 +#define XGMAC_MCF BIT(3) +#define XGMAC_CNTRST BIT(0) + #endif diff --git a/include/linux/soc/qcom/ppe.h b/include/linux/soc/qcom/ppe.h index d3cb18df33fa..40e69a262650 100644 --- a/include/linux/soc/qcom/ppe.h +++ b/include/linux/soc/qcom/ppe.h @@ -9,6 +9,7 @@ #define __QCOM_PPE_H__ #include +#include /* PPE platform private data, which is used by external driver like * Ethernet DMA driver. @@ -20,6 +21,8 @@ struct ppe_device { struct dentry *debugfs_root; bool is_ppe_probed; void *ppe_priv; + struct mutex reg_mutex; /* Protects ppe reg operation */ + void *ports; void *uniphy; }; @@ -27,6 +30,36 @@ struct ppe_device { * DMA driver to configure PPE. */ struct ppe_device_ops { + /* + * PHYLINK integration + */ + struct phylink *(*phylink_setup)(struct ppe_device *ppe_dev, + struct net_device *netdev, int port); + void (*phylink_destroy)(struct ppe_device *ppe_dev, + int port); + void (*phylink_mac_config)(struct ppe_device *ppe_dev, + int port, + unsigned int mode, + const struct phylink_link_state *state); + void (*phylink_mac_link_up)(struct ppe_device *ppe_dev, + int port, + struct phy_device *phy, + unsigned int mode, + phy_interface_t interface, + int speed, + int duplex, + bool tx_pause, + bool rx_pause); + void (*phylink_mac_link_down)(struct ppe_device *ppe_dev, + int port, + unsigned int mode, + phy_interface_t interface); + struct phylink_pcs *(*phylink_mac_select_pcs)(struct ppe_device *ppe_dev, + int port, + phy_interface_t interface); + /* + * Port maximum frame size setting + */ int (*set_maxframe)(struct ppe_device *ppe_dev, int port, int maxframe_size); };