ucc_geth: add ethtool support
The patch enables statistics in ucc_geth and adds ethtool support to ucc_geth driver. Signed-off-by: Li Yang <leoli@freescale.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Li Yang
Jeff Garzik
Родитель
f695baf2df
Коммит
ac421852b3
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@ -18,7 +18,7 @@ gianfar_driver-objs := gianfar.o \
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gianfar_sysfs.o
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obj-$(CONFIG_UCC_GETH) += ucc_geth_driver.o
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ucc_geth_driver-objs := ucc_geth.o ucc_geth_mii.o
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ucc_geth_driver-objs := ucc_geth.o ucc_geth_mii.o ucc_geth_ethtool.o
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#
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# link order important here
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@ -43,10 +43,6 @@
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#undef DEBUG
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#define DRV_DESC "QE UCC Gigabit Ethernet Controller"
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#define DRV_NAME "ucc_geth"
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#define DRV_VERSION "1.1"
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#define ugeth_printk(level, format, arg...) \
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printk(level format "\n", ## arg)
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@ -65,6 +61,8 @@
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#define ugeth_vdbg(fmt, args...) do { } while (0)
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#endif /* UGETH_VERBOSE_DEBUG */
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void uec_set_ethtool_ops(struct net_device *netdev);
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static DEFINE_SPINLOCK(ugeth_lock);
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static struct ucc_geth_info ugeth_primary_info = {
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@ -104,6 +102,7 @@ static struct ucc_geth_info ugeth_primary_info = {
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.maxRetransmission = 0xf,
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.collisionWindow = 0x37,
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.receiveFlowControl = 1,
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.transmitFlowControl = 1,
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.maxGroupAddrInHash = 4,
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.maxIndAddrInHash = 4,
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.prel = 7,
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@ -139,7 +138,9 @@ static struct ucc_geth_info ugeth_primary_info = {
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.numStationAddresses = UCC_GETH_NUM_OF_STATION_ADDRESSES_1,
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.largestexternallookupkeysize =
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QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_NONE,
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.statisticsMode = UCC_GETH_STATISTICS_GATHERING_MODE_NONE,
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.statisticsMode = UCC_GETH_STATISTICS_GATHERING_MODE_HARDWARE |
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UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX |
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UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX,
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.vlanOperationTagged = UCC_GETH_VLAN_OPERATION_TAGGED_NOP,
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.vlanOperationNonTagged = UCC_GETH_VLAN_OPERATION_NON_TAGGED_NOP,
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.rxQoSMode = UCC_GETH_QOS_MODE_DEFAULT,
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@ -1200,7 +1201,7 @@ static int init_inter_frame_gap_params(u8 non_btb_cs_ipg,
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return 0;
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}
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static int init_flow_control_params(u32 automatic_flow_control_mode,
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int init_flow_control_params(u32 automatic_flow_control_mode,
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int rx_flow_control_enable,
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int tx_flow_control_enable,
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u16 pause_period,
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@ -2507,7 +2508,7 @@ static int ucc_geth_startup(struct ucc_geth_private *ugeth)
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/* For more details see the hardware spec. */
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init_flow_control_params(ug_info->aufc,
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ug_info->receiveFlowControl,
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1,
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ug_info->transmitFlowControl,
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ug_info->pausePeriod,
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ug_info->extensionField,
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&uf_regs->upsmr,
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@ -3732,8 +3733,6 @@ static int ucc_geth_close(struct net_device *dev)
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return 0;
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}
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const struct ethtool_ops ucc_geth_ethtool_ops = { };
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static phy_interface_t to_phy_interface(const char *phy_connection_type)
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{
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if (strcasecmp(phy_connection_type, "mii") == 0)
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@ -3896,6 +3895,7 @@ static int ucc_geth_probe(struct of_device* ofdev, const struct of_device_id *ma
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SET_NETDEV_DEV(dev, device);
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/* Fill in the dev structure */
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uec_set_ethtool_ops(dev);
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dev->open = ucc_geth_open;
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dev->hard_start_xmit = ucc_geth_start_xmit;
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dev->tx_timeout = ucc_geth_timeout;
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@ -3909,7 +3909,6 @@ static int ucc_geth_probe(struct of_device* ofdev, const struct of_device_id *ma
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// dev->change_mtu = ucc_geth_change_mtu;
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dev->mtu = 1500;
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dev->set_multicast_list = ucc_geth_set_multi;
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dev->ethtool_ops = &ucc_geth_ethtool_ops;
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ugeth->msg_enable = (NETIF_MSG_IFUP << 1 ) - 1;
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ugeth->phy_interface = phy_interface;
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@ -30,6 +30,10 @@
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#include "ucc_geth_mii.h"
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#define DRV_DESC "QE UCC Gigabit Ethernet Controller"
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#define DRV_NAME "ucc_geth"
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#define DRV_VERSION "1.1"
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#define NUM_TX_QUEUES 8
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#define NUM_RX_QUEUES 8
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#define NUM_BDS_IN_PREFETCHED_BDS 4
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@ -896,6 +900,7 @@ struct ucc_geth_hardware_statistics {
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#define UCC_GETH_TX_VTAG_TABLE_ENTRY_MAX 8
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#define UCC_GETH_RX_BD_RING_SIZE_MIN 8
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#define UCC_GETH_TX_BD_RING_SIZE_MIN 2
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#define UCC_GETH_BD_RING_SIZE_MAX 0xffff
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#define UCC_GETH_SIZE_OF_BD QE_SIZEOF_BD
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@ -1135,6 +1140,7 @@ struct ucc_geth_info {
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int bro;
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int ecm;
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int receiveFlowControl;
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int transmitFlowControl;
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u8 maxGroupAddrInHash;
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u8 maxIndAddrInHash;
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u8 prel;
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@ -0,0 +1,388 @@
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/*
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* Copyright (c) 2007 Freescale Semiconductor, Inc. All rights reserved.
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*
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* Description: QE UCC Gigabit Ethernet Ethtool API Set
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*
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* Author: Li Yang <leoli@freescale.com>
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*
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* Limitation:
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* Can only get/set setttings of the first queue.
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* Need to re-open the interface manually after changing some paramters.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*/
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/errno.h>
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#include <linux/slab.h>
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#include <linux/stddef.h>
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#include <linux/interrupt.h>
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#include <linux/netdevice.h>
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#include <linux/etherdevice.h>
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#include <linux/skbuff.h>
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#include <linux/spinlock.h>
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#include <linux/mm.h>
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#include <linux/delay.h>
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#include <linux/dma-mapping.h>
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#include <linux/fsl_devices.h>
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#include <linux/ethtool.h>
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#include <linux/mii.h>
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#include <linux/phy.h>
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#include <asm/io.h>
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#include <asm/irq.h>
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#include <asm/uaccess.h>
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#include <asm/types.h>
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#include <asm/uaccess.h>
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#include "ucc_geth.h"
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#include "ucc_geth_mii.h"
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static char hw_stat_gstrings[][ETH_GSTRING_LEN] = {
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"tx-64-frames",
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"tx-65-127-frames",
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"tx-128-255-frames",
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"rx-64-frames",
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"rx-65-127-frames",
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"rx-128-255-frames",
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"tx-bytes-ok",
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"tx-pause-frames",
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"tx-multicast-frames",
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"tx-broadcast-frames",
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"rx-frames",
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"rx-bytes-ok",
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"rx-bytes-all",
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"rx-multicast-frames",
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"rx-broadcast-frames",
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"stats-counter-carry",
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"stats-counter-mask",
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"rx-dropped-frames",
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};
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static char tx_fw_stat_gstrings[][ETH_GSTRING_LEN] = {
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"tx-single-collision",
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"tx-multiple-collision",
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"tx-late-collsion",
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"tx-aborted-frames",
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"tx-lost-frames",
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"tx-carrier-sense-errors",
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"tx-frames-ok",
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"tx-excessive-differ-frames",
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"tx-256-511-frames",
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"tx-1024-1518-frames",
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"tx-jumbo-frames",
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};
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static char rx_fw_stat_gstrings[][ETH_GSTRING_LEN] = {
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"rx-crc-errors",
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"rx-alignment-errors",
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"rx-in-range-length-errors",
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"rx-out-of-range-length-errors",
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"rx-too-long-frames",
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"rx-runt",
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"rx-very-long-event",
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"rx-symbol-errors",
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"rx-busy-drop-frames",
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"reserved",
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"reserved",
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"rx-mismatch-drop-frames",
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"rx-small-than-64",
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"rx-256-511-frames",
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"rx-512-1023-frames",
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"rx-1024-1518-frames",
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"rx-jumbo-frames",
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"rx-mac-error-loss",
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"rx-pause-frames",
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"reserved",
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"rx-vlan-removed",
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"rx-vlan-replaced",
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"rx-vlan-inserted",
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"rx-ip-checksum-errors",
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};
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#define UEC_HW_STATS_LEN ARRAY_SIZE(hw_stat_gstrings)
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#define UEC_TX_FW_STATS_LEN ARRAY_SIZE(tx_fw_stat_gstrings)
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#define UEC_RX_FW_STATS_LEN ARRAY_SIZE(rx_fw_stat_gstrings)
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extern int init_flow_control_params(u32 automatic_flow_control_mode,
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int rx_flow_control_enable,
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int tx_flow_control_enable, u16 pause_period,
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u16 extension_field, volatile u32 *upsmr_register,
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volatile u32 *uempr_register, volatile u32 *maccfg1_register);
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static int
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uec_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
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{
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struct ucc_geth_private *ugeth = netdev_priv(netdev);
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struct phy_device *phydev = ugeth->phydev;
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struct ucc_geth_info *ug_info = ugeth->ug_info;
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if (!phydev)
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return -ENODEV;
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ecmd->maxtxpkt = 1;
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ecmd->maxrxpkt = ug_info->interruptcoalescingmaxvalue[0];
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return phy_ethtool_gset(phydev, ecmd);
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}
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static int
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uec_set_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
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{
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struct ucc_geth_private *ugeth = netdev_priv(netdev);
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struct phy_device *phydev = ugeth->phydev;
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if (!phydev)
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return -ENODEV;
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return phy_ethtool_sset(phydev, ecmd);
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}
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static void
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uec_get_pauseparam(struct net_device *netdev,
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struct ethtool_pauseparam *pause)
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{
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struct ucc_geth_private *ugeth = netdev_priv(netdev);
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pause->autoneg = ugeth->phydev->autoneg;
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if (ugeth->ug_info->receiveFlowControl)
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pause->rx_pause = 1;
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if (ugeth->ug_info->transmitFlowControl)
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pause->tx_pause = 1;
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}
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static int
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uec_set_pauseparam(struct net_device *netdev,
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struct ethtool_pauseparam *pause)
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{
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struct ucc_geth_private *ugeth = netdev_priv(netdev);
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int ret = 0;
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ugeth->ug_info->receiveFlowControl = pause->rx_pause;
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ugeth->ug_info->transmitFlowControl = pause->tx_pause;
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if (ugeth->phydev->autoneg) {
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if (netif_running(netdev)) {
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/* FIXME: automatically restart */
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printk(KERN_INFO
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"Please re-open the interface.\n");
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}
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} else {
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struct ucc_geth_info *ug_info = ugeth->ug_info;
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ret = init_flow_control_params(ug_info->aufc,
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ug_info->receiveFlowControl,
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ug_info->transmitFlowControl,
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ug_info->pausePeriod,
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ug_info->extensionField,
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&ugeth->uccf->uf_regs->upsmr,
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&ugeth->ug_regs->uempr,
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&ugeth->ug_regs->maccfg1);
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}
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return ret;
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}
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static uint32_t
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uec_get_msglevel(struct net_device *netdev)
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{
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struct ucc_geth_private *ugeth = netdev_priv(netdev);
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return ugeth->msg_enable;
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}
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static void
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uec_set_msglevel(struct net_device *netdev, uint32_t data)
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{
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struct ucc_geth_private *ugeth = netdev_priv(netdev);
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ugeth->msg_enable = data;
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}
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static int
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uec_get_regs_len(struct net_device *netdev)
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{
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return sizeof(struct ucc_geth);
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}
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static void
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uec_get_regs(struct net_device *netdev,
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struct ethtool_regs *regs, void *p)
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{
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int i;
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struct ucc_geth_private *ugeth = netdev_priv(netdev);
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u32 __iomem *ug_regs = (u32 __iomem *)ugeth->ug_regs;
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u32 *buff = p;
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for (i = 0; i < sizeof(struct ucc_geth) / sizeof(u32); i++)
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buff[i] = in_be32(&ug_regs[i]);
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}
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static void
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uec_get_ringparam(struct net_device *netdev,
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struct ethtool_ringparam *ring)
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{
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struct ucc_geth_private *ugeth = netdev_priv(netdev);
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struct ucc_geth_info *ug_info = ugeth->ug_info;
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int queue = 0;
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ring->rx_max_pending = UCC_GETH_BD_RING_SIZE_MAX;
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ring->rx_mini_max_pending = UCC_GETH_BD_RING_SIZE_MAX;
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ring->rx_jumbo_max_pending = UCC_GETH_BD_RING_SIZE_MAX;
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ring->tx_max_pending = UCC_GETH_BD_RING_SIZE_MAX;
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ring->rx_pending = ug_info->bdRingLenRx[queue];
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ring->rx_mini_pending = ug_info->bdRingLenRx[queue];
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ring->rx_jumbo_pending = ug_info->bdRingLenRx[queue];
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ring->tx_pending = ug_info->bdRingLenTx[queue];
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}
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static int
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uec_set_ringparam(struct net_device *netdev,
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struct ethtool_ringparam *ring)
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{
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struct ucc_geth_private *ugeth = netdev_priv(netdev);
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struct ucc_geth_info *ug_info = ugeth->ug_info;
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int queue = 0, ret = 0;
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if (ring->rx_pending < UCC_GETH_RX_BD_RING_SIZE_MIN) {
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printk("%s: RxBD ring size must be no smaller than %d.\n",
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netdev->name, UCC_GETH_RX_BD_RING_SIZE_MIN);
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return -EINVAL;
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}
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if (ring->rx_pending % UCC_GETH_RX_BD_RING_SIZE_ALIGNMENT) {
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printk("%s: RxBD ring size must be multiple of %d.\n",
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netdev->name, UCC_GETH_RX_BD_RING_SIZE_ALIGNMENT);
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return -EINVAL;
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}
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if (ring->tx_pending < UCC_GETH_TX_BD_RING_SIZE_MIN) {
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printk("%s: TxBD ring size must be no smaller than %d.\n",
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netdev->name, UCC_GETH_TX_BD_RING_SIZE_MIN);
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return -EINVAL;
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}
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ug_info->bdRingLenRx[queue] = ring->rx_pending;
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ug_info->bdRingLenTx[queue] = ring->tx_pending;
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if (netif_running(netdev)) {
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/* FIXME: restart automatically */
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printk(KERN_INFO
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"Please re-open the interface.\n");
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}
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return ret;
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}
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static int uec_get_stats_count(struct net_device *netdev)
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{
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struct ucc_geth_private *ugeth = netdev_priv(netdev);
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u32 stats_mode = ugeth->ug_info->statisticsMode;
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int len = 0;
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if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_HARDWARE)
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len += UEC_HW_STATS_LEN;
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if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX)
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len += UEC_TX_FW_STATS_LEN;
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if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX)
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len += UEC_RX_FW_STATS_LEN;
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return len;
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}
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static void uec_get_strings(struct net_device *netdev, u32 stringset, u8 *buf)
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{
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struct ucc_geth_private *ugeth = netdev_priv(netdev);
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u32 stats_mode = ugeth->ug_info->statisticsMode;
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if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_HARDWARE) {
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||||
memcpy(buf, hw_stat_gstrings, UEC_HW_STATS_LEN *
|
||||
ETH_GSTRING_LEN);
|
||||
buf += UEC_HW_STATS_LEN * ETH_GSTRING_LEN;
|
||||
}
|
||||
if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX) {
|
||||
memcpy(buf, tx_fw_stat_gstrings, UEC_TX_FW_STATS_LEN *
|
||||
ETH_GSTRING_LEN);
|
||||
buf += UEC_TX_FW_STATS_LEN * ETH_GSTRING_LEN;
|
||||
}
|
||||
if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX)
|
||||
memcpy(buf, tx_fw_stat_gstrings, UEC_RX_FW_STATS_LEN *
|
||||
ETH_GSTRING_LEN);
|
||||
}
|
||||
|
||||
static void uec_get_ethtool_stats(struct net_device *netdev,
|
||||
struct ethtool_stats *stats, uint64_t *data)
|
||||
{
|
||||
struct ucc_geth_private *ugeth = netdev_priv(netdev);
|
||||
u32 stats_mode = ugeth->ug_info->statisticsMode;
|
||||
u32 __iomem *base;
|
||||
int i, j = 0;
|
||||
|
||||
if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_HARDWARE) {
|
||||
base = (u32 __iomem *)&ugeth->ug_regs->tx64;
|
||||
for (i = 0; i < UEC_HW_STATS_LEN; i++)
|
||||
data[j++] = (u64)in_be32(&base[i]);
|
||||
}
|
||||
if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX) {
|
||||
base = (u32 __iomem *)ugeth->p_tx_fw_statistics_pram;
|
||||
for (i = 0; i < UEC_TX_FW_STATS_LEN; i++)
|
||||
data[j++] = (u64)in_be32(&base[i]);
|
||||
}
|
||||
if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX) {
|
||||
base = (u32 __iomem *)ugeth->p_rx_fw_statistics_pram;
|
||||
for (i = 0; i < UEC_RX_FW_STATS_LEN; i++)
|
||||
data[j++] = (u64)in_be32(&base[i]);
|
||||
}
|
||||
}
|
||||
|
||||
static int uec_nway_reset(struct net_device *netdev)
|
||||
{
|
||||
struct ucc_geth_private *ugeth = netdev_priv(netdev);
|
||||
|
||||
return phy_start_aneg(ugeth->phydev);
|
||||
}
|
||||
|
||||
/* Report driver information */
|
||||
static void
|
||||
uec_get_drvinfo(struct net_device *netdev,
|
||||
struct ethtool_drvinfo *drvinfo)
|
||||
{
|
||||
strncpy(drvinfo->driver, DRV_NAME, 32);
|
||||
strncpy(drvinfo->version, DRV_VERSION, 32);
|
||||
strncpy(drvinfo->fw_version, "N/A", 32);
|
||||
strncpy(drvinfo->bus_info, "QUICC ENGINE", 32);
|
||||
drvinfo->n_stats = uec_get_stats_count(netdev);
|
||||
drvinfo->testinfo_len = 0;
|
||||
drvinfo->eedump_len = 0;
|
||||
drvinfo->regdump_len = uec_get_regs_len(netdev);
|
||||
}
|
||||
|
||||
static const struct ethtool_ops uec_ethtool_ops = {
|
||||
.get_settings = uec_get_settings,
|
||||
.set_settings = uec_set_settings,
|
||||
.get_drvinfo = uec_get_drvinfo,
|
||||
.get_regs_len = uec_get_regs_len,
|
||||
.get_regs = uec_get_regs,
|
||||
.get_msglevel = uec_get_msglevel,
|
||||
.set_msglevel = uec_set_msglevel,
|
||||
.nway_reset = uec_nway_reset,
|
||||
.get_link = ethtool_op_get_link,
|
||||
.get_ringparam = uec_get_ringparam,
|
||||
.set_ringparam = uec_set_ringparam,
|
||||
.get_pauseparam = uec_get_pauseparam,
|
||||
.set_pauseparam = uec_set_pauseparam,
|
||||
.get_sg = ethtool_op_get_sg,
|
||||
.set_sg = ethtool_op_set_sg,
|
||||
.get_tso = ethtool_op_get_tso,
|
||||
.get_stats_count = uec_get_stats_count,
|
||||
.get_strings = uec_get_strings,
|
||||
.get_ethtool_stats = uec_get_ethtool_stats,
|
||||
.get_perm_addr = ethtool_op_get_perm_addr,
|
||||
};
|
||||
|
||||
void uec_set_ethtool_ops(struct net_device *netdev)
|
||||
{
|
||||
SET_ETHTOOL_OPS(netdev, &uec_ethtool_ops);
|
||||
}
|
||||
|
|
@ -54,8 +54,8 @@
|
|||
#define vdbg(format, arg...) do {} while(0)
|
||||
#endif
|
||||
|
||||
#define DRV_DESC "QE UCC Ethernet Controller MII Bus"
|
||||
#define DRV_NAME "fsl-uec_mdio"
|
||||
#define MII_DRV_DESC "QE UCC Ethernet Controller MII Bus"
|
||||
#define MII_DRV_NAME "fsl-uec_mdio"
|
||||
|
||||
/* Write value to the PHY for this device to the register at regnum, */
|
||||
/* waiting until the write is done before it returns. All PHY */
|
||||
|
|
@ -261,7 +261,7 @@ static struct of_device_id uec_mdio_match[] = {
|
|||
};
|
||||
|
||||
static struct of_platform_driver uec_mdio_driver = {
|
||||
.name = DRV_NAME,
|
||||
.name = MII_DRV_NAME,
|
||||
.probe = uec_mdio_probe,
|
||||
.remove = uec_mdio_remove,
|
||||
.match_table = uec_mdio_match,
|
||||
|
|
|
|||
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