mirror of https://gitee.com/openkylin/linux.git
586 lines
16 KiB
C
586 lines
16 KiB
C
/*
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* Copyright (C) 1999 - 2010 Intel Corporation.
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* Copyright (C) 2010 OKI SEMICONDUCTOR Co., LTD.
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*
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* This code was derived from the Intel e1000e Linux driver.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "pch_gbe.h"
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#include "pch_gbe_api.h"
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/**
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* pch_gbe_stats - Stats item infomation
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*/
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struct pch_gbe_stats {
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char string[ETH_GSTRING_LEN];
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size_t size;
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size_t offset;
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};
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#define PCH_GBE_STAT(m) \
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{ \
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.string = #m, \
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.size = FIELD_SIZEOF(struct pch_gbe_hw_stats, m), \
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.offset = offsetof(struct pch_gbe_hw_stats, m), \
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}
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/**
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* pch_gbe_gstrings_stats - ethtool information status name list
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*/
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static const struct pch_gbe_stats pch_gbe_gstrings_stats[] = {
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PCH_GBE_STAT(rx_packets),
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PCH_GBE_STAT(tx_packets),
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PCH_GBE_STAT(rx_bytes),
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PCH_GBE_STAT(tx_bytes),
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PCH_GBE_STAT(rx_errors),
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PCH_GBE_STAT(tx_errors),
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PCH_GBE_STAT(rx_dropped),
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PCH_GBE_STAT(tx_dropped),
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PCH_GBE_STAT(multicast),
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PCH_GBE_STAT(collisions),
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PCH_GBE_STAT(rx_crc_errors),
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PCH_GBE_STAT(rx_frame_errors),
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PCH_GBE_STAT(rx_alloc_buff_failed),
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PCH_GBE_STAT(tx_length_errors),
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PCH_GBE_STAT(tx_aborted_errors),
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PCH_GBE_STAT(tx_carrier_errors),
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PCH_GBE_STAT(tx_timeout_count),
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PCH_GBE_STAT(tx_restart_count),
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PCH_GBE_STAT(intr_rx_dsc_empty_count),
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PCH_GBE_STAT(intr_rx_frame_err_count),
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PCH_GBE_STAT(intr_rx_fifo_err_count),
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PCH_GBE_STAT(intr_rx_dma_err_count),
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PCH_GBE_STAT(intr_tx_fifo_err_count),
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PCH_GBE_STAT(intr_tx_dma_err_count),
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PCH_GBE_STAT(intr_tcpip_err_count)
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};
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#define PCH_GBE_QUEUE_STATS_LEN 0
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#define PCH_GBE_GLOBAL_STATS_LEN ARRAY_SIZE(pch_gbe_gstrings_stats)
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#define PCH_GBE_STATS_LEN (PCH_GBE_GLOBAL_STATS_LEN + PCH_GBE_QUEUE_STATS_LEN)
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#define PCH_GBE_MAC_REGS_LEN (sizeof(struct pch_gbe_regs) / 4)
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#define PCH_GBE_REGS_LEN (PCH_GBE_MAC_REGS_LEN + PCH_GBE_PHY_REGS_LEN)
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/**
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* pch_gbe_get_settings - Get device-specific settings
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* @netdev: Network interface device structure
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* @ecmd: Ethtool command
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* Returns
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* 0: Successful.
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* Negative value: Failed.
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*/
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static int pch_gbe_get_settings(struct net_device *netdev,
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struct ethtool_cmd *ecmd)
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{
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struct pch_gbe_adapter *adapter = netdev_priv(netdev);
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int ret;
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ret = mii_ethtool_gset(&adapter->mii, ecmd);
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ecmd->supported &= ~(SUPPORTED_TP | SUPPORTED_1000baseT_Half);
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ecmd->advertising &= ~(ADVERTISED_TP | ADVERTISED_1000baseT_Half);
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if (!netif_carrier_ok(adapter->netdev))
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ecmd->speed = -1;
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return ret;
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}
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/**
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* pch_gbe_set_settings - Set device-specific settings
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* @netdev: Network interface device structure
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* @ecmd: Ethtool command
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* Returns
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* 0: Successful.
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* Negative value: Failed.
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*/
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static int pch_gbe_set_settings(struct net_device *netdev,
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struct ethtool_cmd *ecmd)
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{
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struct pch_gbe_adapter *adapter = netdev_priv(netdev);
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struct pch_gbe_hw *hw = &adapter->hw;
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int ret;
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pch_gbe_hal_write_phy_reg(hw, MII_BMCR, BMCR_RESET);
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if (ecmd->speed == USHRT_MAX) {
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ecmd->speed = SPEED_1000;
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ecmd->duplex = DUPLEX_FULL;
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}
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ret = mii_ethtool_sset(&adapter->mii, ecmd);
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if (ret) {
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pr_err("Error: mii_ethtool_sset\n");
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return ret;
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}
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hw->mac.link_speed = ecmd->speed;
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hw->mac.link_duplex = ecmd->duplex;
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hw->phy.autoneg_advertised = ecmd->advertising;
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hw->mac.autoneg = ecmd->autoneg;
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pch_gbe_hal_phy_sw_reset(hw);
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/* reset the link */
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if (netif_running(adapter->netdev)) {
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pch_gbe_down(adapter);
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ret = pch_gbe_up(adapter);
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} else {
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pch_gbe_reset(adapter);
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}
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return ret;
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}
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/**
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* pch_gbe_get_regs_len - Report the size of device registers
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* @netdev: Network interface device structure
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* Returns: the size of device registers.
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*/
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static int pch_gbe_get_regs_len(struct net_device *netdev)
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{
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return PCH_GBE_REGS_LEN * (int)sizeof(u32);
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}
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/**
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* pch_gbe_get_drvinfo - Report driver information
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* @netdev: Network interface device structure
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* @drvinfo: Driver information structure
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*/
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static void pch_gbe_get_drvinfo(struct net_device *netdev,
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struct ethtool_drvinfo *drvinfo)
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{
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struct pch_gbe_adapter *adapter = netdev_priv(netdev);
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strcpy(drvinfo->driver, KBUILD_MODNAME);
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strcpy(drvinfo->version, pch_driver_version);
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strcpy(drvinfo->fw_version, "N/A");
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strcpy(drvinfo->bus_info, pci_name(adapter->pdev));
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drvinfo->regdump_len = pch_gbe_get_regs_len(netdev);
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}
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/**
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* pch_gbe_get_regs - Get device registers
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* @netdev: Network interface device structure
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* @regs: Ethtool register structure
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* @p: Buffer pointer of read device register date
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*/
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static void pch_gbe_get_regs(struct net_device *netdev,
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struct ethtool_regs *regs, void *p)
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{
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struct pch_gbe_adapter *adapter = netdev_priv(netdev);
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struct pch_gbe_hw *hw = &adapter->hw;
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struct pci_dev *pdev = adapter->pdev;
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u32 *regs_buff = p;
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u16 i, tmp;
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regs->version = 0x1000000 | (__u32)pdev->revision << 16 | pdev->device;
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for (i = 0; i < PCH_GBE_MAC_REGS_LEN; i++)
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*regs_buff++ = ioread32(&hw->reg->INT_ST + i);
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/* PHY register */
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for (i = 0; i < PCH_GBE_PHY_REGS_LEN; i++) {
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pch_gbe_hal_read_phy_reg(&adapter->hw, i, &tmp);
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*regs_buff++ = tmp;
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}
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}
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/**
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* pch_gbe_get_wol - Report whether Wake-on-Lan is enabled
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* @netdev: Network interface device structure
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* @wol: Wake-on-Lan information
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*/
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static void pch_gbe_get_wol(struct net_device *netdev,
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struct ethtool_wolinfo *wol)
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{
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struct pch_gbe_adapter *adapter = netdev_priv(netdev);
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wol->supported = WAKE_UCAST | WAKE_MCAST | WAKE_BCAST | WAKE_MAGIC;
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wol->wolopts = 0;
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if ((adapter->wake_up_evt & PCH_GBE_WLC_IND))
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wol->wolopts |= WAKE_UCAST;
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if ((adapter->wake_up_evt & PCH_GBE_WLC_MLT))
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wol->wolopts |= WAKE_MCAST;
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if ((adapter->wake_up_evt & PCH_GBE_WLC_BR))
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wol->wolopts |= WAKE_BCAST;
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if ((adapter->wake_up_evt & PCH_GBE_WLC_MP))
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wol->wolopts |= WAKE_MAGIC;
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}
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/**
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* pch_gbe_set_wol - Turn Wake-on-Lan on or off
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* @netdev: Network interface device structure
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* @wol: Pointer of wake-on-Lan information straucture
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* Returns
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* 0: Successful.
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* Negative value: Failed.
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*/
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static int pch_gbe_set_wol(struct net_device *netdev,
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struct ethtool_wolinfo *wol)
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{
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struct pch_gbe_adapter *adapter = netdev_priv(netdev);
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if ((wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE)))
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return -EOPNOTSUPP;
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/* these settings will always override what we currently have */
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adapter->wake_up_evt = 0;
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if ((wol->wolopts & WAKE_UCAST))
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adapter->wake_up_evt |= PCH_GBE_WLC_IND;
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if ((wol->wolopts & WAKE_MCAST))
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adapter->wake_up_evt |= PCH_GBE_WLC_MLT;
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if ((wol->wolopts & WAKE_BCAST))
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adapter->wake_up_evt |= PCH_GBE_WLC_BR;
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if ((wol->wolopts & WAKE_MAGIC))
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adapter->wake_up_evt |= PCH_GBE_WLC_MP;
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return 0;
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}
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/**
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* pch_gbe_nway_reset - Restart autonegotiation
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* @netdev: Network interface device structure
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* Returns
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* 0: Successful.
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* Negative value: Failed.
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*/
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static int pch_gbe_nway_reset(struct net_device *netdev)
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{
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struct pch_gbe_adapter *adapter = netdev_priv(netdev);
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return mii_nway_restart(&adapter->mii);
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}
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/**
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* pch_gbe_get_ringparam - Report ring sizes
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* @netdev: Network interface device structure
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* @ring: Ring param structure
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*/
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static void pch_gbe_get_ringparam(struct net_device *netdev,
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struct ethtool_ringparam *ring)
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{
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struct pch_gbe_adapter *adapter = netdev_priv(netdev);
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struct pch_gbe_tx_ring *txdr = adapter->tx_ring;
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struct pch_gbe_rx_ring *rxdr = adapter->rx_ring;
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ring->rx_max_pending = PCH_GBE_MAX_RXD;
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ring->tx_max_pending = PCH_GBE_MAX_TXD;
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ring->rx_mini_max_pending = 0;
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ring->rx_jumbo_max_pending = 0;
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ring->rx_pending = rxdr->count;
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ring->tx_pending = txdr->count;
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ring->rx_mini_pending = 0;
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ring->rx_jumbo_pending = 0;
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}
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/**
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* pch_gbe_set_ringparam - Set ring sizes
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* @netdev: Network interface device structure
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* @ring: Ring param structure
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* Returns
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* 0: Successful.
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* Negative value: Failed.
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*/
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static int pch_gbe_set_ringparam(struct net_device *netdev,
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struct ethtool_ringparam *ring)
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{
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struct pch_gbe_adapter *adapter = netdev_priv(netdev);
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struct pch_gbe_tx_ring *txdr, *tx_old;
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struct pch_gbe_rx_ring *rxdr, *rx_old;
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int tx_ring_size, rx_ring_size;
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int err = 0;
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if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
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return -EINVAL;
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tx_ring_size = (int)sizeof(struct pch_gbe_tx_ring);
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rx_ring_size = (int)sizeof(struct pch_gbe_rx_ring);
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if ((netif_running(adapter->netdev)))
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pch_gbe_down(adapter);
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tx_old = adapter->tx_ring;
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rx_old = adapter->rx_ring;
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txdr = kzalloc(tx_ring_size, GFP_KERNEL);
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if (!txdr) {
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err = -ENOMEM;
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goto err_alloc_tx;
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}
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rxdr = kzalloc(rx_ring_size, GFP_KERNEL);
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if (!rxdr) {
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err = -ENOMEM;
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goto err_alloc_rx;
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}
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adapter->tx_ring = txdr;
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adapter->rx_ring = rxdr;
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rxdr->count =
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clamp_val(ring->rx_pending, PCH_GBE_MIN_RXD, PCH_GBE_MAX_RXD);
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rxdr->count = roundup(rxdr->count, PCH_GBE_RX_DESC_MULTIPLE);
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txdr->count =
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clamp_val(ring->tx_pending, PCH_GBE_MIN_RXD, PCH_GBE_MAX_RXD);
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txdr->count = roundup(txdr->count, PCH_GBE_TX_DESC_MULTIPLE);
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if ((netif_running(adapter->netdev))) {
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/* Try to get new resources before deleting old */
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err = pch_gbe_setup_rx_resources(adapter, adapter->rx_ring);
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if (err)
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goto err_setup_rx;
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err = pch_gbe_setup_tx_resources(adapter, adapter->tx_ring);
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if (err)
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goto err_setup_tx;
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/* save the new, restore the old in order to free it,
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* then restore the new back again */
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#ifdef RINGFREE
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adapter->rx_ring = rx_old;
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adapter->tx_ring = tx_old;
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pch_gbe_free_rx_resources(adapter, adapter->rx_ring);
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pch_gbe_free_tx_resources(adapter, adapter->tx_ring);
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kfree(tx_old);
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kfree(rx_old);
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adapter->rx_ring = rxdr;
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adapter->tx_ring = txdr;
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#else
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pch_gbe_free_rx_resources(adapter, rx_old);
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pch_gbe_free_tx_resources(adapter, tx_old);
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kfree(tx_old);
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kfree(rx_old);
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adapter->rx_ring = rxdr;
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adapter->tx_ring = txdr;
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#endif
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err = pch_gbe_up(adapter);
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}
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return err;
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err_setup_tx:
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pch_gbe_free_rx_resources(adapter, adapter->rx_ring);
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err_setup_rx:
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adapter->rx_ring = rx_old;
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adapter->tx_ring = tx_old;
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kfree(rxdr);
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err_alloc_rx:
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kfree(txdr);
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err_alloc_tx:
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if (netif_running(adapter->netdev))
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pch_gbe_up(adapter);
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return err;
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}
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/**
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* pch_gbe_get_pauseparam - Report pause parameters
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* @netdev: Network interface device structure
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* @pause: Pause parameters structure
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*/
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static void pch_gbe_get_pauseparam(struct net_device *netdev,
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struct ethtool_pauseparam *pause)
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{
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struct pch_gbe_adapter *adapter = netdev_priv(netdev);
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struct pch_gbe_hw *hw = &adapter->hw;
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pause->autoneg =
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((hw->mac.fc_autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE);
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if (hw->mac.fc == PCH_GBE_FC_RX_PAUSE) {
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pause->rx_pause = 1;
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} else if (hw->mac.fc == PCH_GBE_FC_TX_PAUSE) {
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pause->tx_pause = 1;
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} else if (hw->mac.fc == PCH_GBE_FC_FULL) {
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pause->rx_pause = 1;
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pause->tx_pause = 1;
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}
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}
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/**
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* pch_gbe_set_pauseparam - Set pause paramters
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* @netdev: Network interface device structure
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* @pause: Pause parameters structure
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* Returns
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* 0: Successful.
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* Negative value: Failed.
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*/
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static int pch_gbe_set_pauseparam(struct net_device *netdev,
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struct ethtool_pauseparam *pause)
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{
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struct pch_gbe_adapter *adapter = netdev_priv(netdev);
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struct pch_gbe_hw *hw = &adapter->hw;
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int ret = 0;
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hw->mac.fc_autoneg = pause->autoneg;
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if ((pause->rx_pause) && (pause->tx_pause))
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hw->mac.fc = PCH_GBE_FC_FULL;
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else if ((pause->rx_pause) && (!pause->tx_pause))
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hw->mac.fc = PCH_GBE_FC_RX_PAUSE;
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else if ((!pause->rx_pause) && (pause->tx_pause))
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hw->mac.fc = PCH_GBE_FC_TX_PAUSE;
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else if ((!pause->rx_pause) && (!pause->tx_pause))
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hw->mac.fc = PCH_GBE_FC_NONE;
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if (hw->mac.fc_autoneg == AUTONEG_ENABLE) {
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if ((netif_running(adapter->netdev))) {
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pch_gbe_down(adapter);
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ret = pch_gbe_up(adapter);
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} else {
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pch_gbe_reset(adapter);
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}
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} else {
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ret = pch_gbe_mac_force_mac_fc(hw);
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}
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return ret;
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}
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/**
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* pch_gbe_get_rx_csum - Report whether receive checksums are turned on or off
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* @netdev: Network interface device structure
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* Returns
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* true(1): Checksum On
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* false(0): Checksum Off
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*/
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static u32 pch_gbe_get_rx_csum(struct net_device *netdev)
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{
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struct pch_gbe_adapter *adapter = netdev_priv(netdev);
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return adapter->rx_csum;
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}
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/**
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* pch_gbe_set_rx_csum - Turn receive checksum on or off
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* @netdev: Network interface device structure
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* @data: Checksum On[true] or Off[false]
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* Returns
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* 0: Successful.
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* Negative value: Failed.
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|
*/
|
|
static int pch_gbe_set_rx_csum(struct net_device *netdev, u32 data)
|
|
{
|
|
struct pch_gbe_adapter *adapter = netdev_priv(netdev);
|
|
|
|
adapter->rx_csum = data;
|
|
if ((netif_running(netdev)))
|
|
pch_gbe_reinit_locked(adapter);
|
|
else
|
|
pch_gbe_reset(adapter);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* pch_gbe_get_tx_csum - Report whether transmit checksums are turned on or off
|
|
* @netdev: Network interface device structure
|
|
* Returns
|
|
* true(1): Checksum On
|
|
* false(0): Checksum Off
|
|
*/
|
|
static u32 pch_gbe_get_tx_csum(struct net_device *netdev)
|
|
{
|
|
return (netdev->features & NETIF_F_HW_CSUM) != 0;
|
|
}
|
|
|
|
/**
|
|
* pch_gbe_set_tx_csum - Turn transmit checksums on or off
|
|
* @netdev: Network interface device structure
|
|
* @data: Checksum on[true] or off[false]
|
|
* Returns
|
|
* 0: Successful.
|
|
* Negative value: Failed.
|
|
*/
|
|
static int pch_gbe_set_tx_csum(struct net_device *netdev, u32 data)
|
|
{
|
|
struct pch_gbe_adapter *adapter = netdev_priv(netdev);
|
|
|
|
adapter->tx_csum = data;
|
|
if (data)
|
|
netdev->features |= NETIF_F_HW_CSUM;
|
|
else
|
|
netdev->features &= ~NETIF_F_HW_CSUM;
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* pch_gbe_get_strings - Return a set of strings that describe the requested
|
|
* objects
|
|
* @netdev: Network interface device structure
|
|
* @stringset: Select the stringset. [ETH_SS_TEST] [ETH_SS_STATS]
|
|
* @data: Pointer of read string data.
|
|
*/
|
|
static void pch_gbe_get_strings(struct net_device *netdev, u32 stringset,
|
|
u8 *data)
|
|
{
|
|
u8 *p = data;
|
|
int i;
|
|
|
|
switch (stringset) {
|
|
case (u32) ETH_SS_STATS:
|
|
for (i = 0; i < PCH_GBE_GLOBAL_STATS_LEN; i++) {
|
|
memcpy(p, pch_gbe_gstrings_stats[i].string,
|
|
ETH_GSTRING_LEN);
|
|
p += ETH_GSTRING_LEN;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* pch_gbe_get_ethtool_stats - Return statistics about the device
|
|
* @netdev: Network interface device structure
|
|
* @stats: Ethtool statue structure
|
|
* @data: Pointer of read status area
|
|
*/
|
|
static void pch_gbe_get_ethtool_stats(struct net_device *netdev,
|
|
struct ethtool_stats *stats, u64 *data)
|
|
{
|
|
struct pch_gbe_adapter *adapter = netdev_priv(netdev);
|
|
int i;
|
|
const struct pch_gbe_stats *gstats = pch_gbe_gstrings_stats;
|
|
char *hw_stats = (char *)&adapter->stats;
|
|
|
|
pch_gbe_update_stats(adapter);
|
|
for (i = 0; i < PCH_GBE_GLOBAL_STATS_LEN; i++) {
|
|
char *p = hw_stats + gstats->offset;
|
|
data[i] = gstats->size == sizeof(u64) ? *(u64 *)p:(*(u32 *)p);
|
|
gstats++;
|
|
}
|
|
}
|
|
|
|
static int pch_gbe_get_sset_count(struct net_device *netdev, int sset)
|
|
{
|
|
switch (sset) {
|
|
case ETH_SS_STATS:
|
|
return PCH_GBE_STATS_LEN;
|
|
default:
|
|
return -EOPNOTSUPP;
|
|
}
|
|
}
|
|
|
|
static const struct ethtool_ops pch_gbe_ethtool_ops = {
|
|
.get_settings = pch_gbe_get_settings,
|
|
.set_settings = pch_gbe_set_settings,
|
|
.get_drvinfo = pch_gbe_get_drvinfo,
|
|
.get_regs_len = pch_gbe_get_regs_len,
|
|
.get_regs = pch_gbe_get_regs,
|
|
.get_wol = pch_gbe_get_wol,
|
|
.set_wol = pch_gbe_set_wol,
|
|
.nway_reset = pch_gbe_nway_reset,
|
|
.get_link = ethtool_op_get_link,
|
|
.get_ringparam = pch_gbe_get_ringparam,
|
|
.set_ringparam = pch_gbe_set_ringparam,
|
|
.get_pauseparam = pch_gbe_get_pauseparam,
|
|
.set_pauseparam = pch_gbe_set_pauseparam,
|
|
.get_rx_csum = pch_gbe_get_rx_csum,
|
|
.set_rx_csum = pch_gbe_set_rx_csum,
|
|
.get_tx_csum = pch_gbe_get_tx_csum,
|
|
.set_tx_csum = pch_gbe_set_tx_csum,
|
|
.get_strings = pch_gbe_get_strings,
|
|
.get_ethtool_stats = pch_gbe_get_ethtool_stats,
|
|
.get_sset_count = pch_gbe_get_sset_count,
|
|
};
|
|
|
|
void pch_gbe_set_ethtool_ops(struct net_device *netdev)
|
|
{
|
|
SET_ETHTOOL_OPS(netdev, &pch_gbe_ethtool_ops);
|
|
}
|