420 lines
14 KiB
C
420 lines
14 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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################################################################################
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#
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# r8101 is the Linux device driver released for Realtek Fast Ethernet
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# controllers with PCI-Express interface.
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#
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# Copyright(c) 2022 Realtek Semiconductor Corp. All rights reserved.
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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 Free
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# Software Foundation; either version 2 of the License, or (at your option)
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# any later version.
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#
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# This program is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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# more details.
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#
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# You should have received a copy of the GNU General Public License along with
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# this program; if not, see <http://www.gnu.org/licenses/>.
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#
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# Author:
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# Realtek NIC software team <nicfae@realtek.com>
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# No. 2, Innovation Road II, Hsinchu Science Park, Hsinchu 300, Taiwan
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#
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################################################################################
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*/
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/************************************************************************************
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* This product is covered by one or more of the following patents:
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* US6,570,884, US6,115,776, and US6,327,625.
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***********************************************************************************/
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/*****************************************************************************/
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/* 2.6.4 => 2.6.0 */
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#if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,4,25) || \
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( LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) && \
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LINUX_VERSION_CODE < KERNEL_VERSION(2,6,4) ) )
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#define ETHTOOL_OPS_COMPAT
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#endif /* 2.6.4 => 2.6.0 */
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/*****************************************************************************/
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#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
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#undef ethtool_ops
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#define ethtool_ops _kc_ethtool_ops
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struct _kc_ethtool_ops {
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int (*get_settings)(struct net_device *, struct ethtool_cmd *);
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int (*set_settings)(struct net_device *, struct ethtool_cmd *);
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void (*get_drvinfo)(struct net_device *, struct ethtool_drvinfo *);
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int (*get_regs_len)(struct net_device *);
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void (*get_regs)(struct net_device *, struct ethtool_regs *, void *);
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void (*get_wol)(struct net_device *, struct ethtool_wolinfo *);
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int (*set_wol)(struct net_device *, struct ethtool_wolinfo *);
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u32 (*get_msglevel)(struct net_device *);
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void (*set_msglevel)(struct net_device *, u32);
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int (*nway_reset)(struct net_device *);
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u32 (*get_link)(struct net_device *);
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int (*get_eeprom_len)(struct net_device *);
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int (*get_eeprom)(struct net_device *, struct ethtool_eeprom *, u8 *);
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int (*set_eeprom)(struct net_device *, struct ethtool_eeprom *, u8 *);
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int (*get_coalesce)(struct net_device *, struct ethtool_coalesce *);
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int (*set_coalesce)(struct net_device *, struct ethtool_coalesce *);
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void (*get_ringparam)(struct net_device *, struct ethtool_ringparam *);
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int (*set_ringparam)(struct net_device *, struct ethtool_ringparam *);
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void (*get_pauseparam)(struct net_device *,
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struct ethtool_pauseparam*);
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int (*set_pauseparam)(struct net_device *,
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struct ethtool_pauseparam*);
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u32 (*get_rx_csum)(struct net_device *);
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int (*set_rx_csum)(struct net_device *, u32);
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u32 (*get_tx_csum)(struct net_device *);
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int (*set_tx_csum)(struct net_device *, u32);
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u32 (*get_sg)(struct net_device *);
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int (*set_sg)(struct net_device *, u32);
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u32 (*get_tso)(struct net_device *);
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int (*set_tso)(struct net_device *, u32);
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int (*self_test_count)(struct net_device *);
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void (*self_test)(struct net_device *, struct ethtool_test *, u64 *);
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void (*get_strings)(struct net_device *, u32 stringset, u8 *);
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int (*phys_id)(struct net_device *, u32);
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int (*get_stats_count)(struct net_device *);
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void (*get_ethtool_stats)(struct net_device *, struct ethtool_stats *,
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u64 *);
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} *ethtool_ops = NULL;
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#undef SET_ETHTOOL_OPS
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#define SET_ETHTOOL_OPS(netdev, ops) (ethtool_ops = (ops))
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#endif //LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
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#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,16,0)
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#ifndef SET_ETHTOOL_OPS
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#define SET_ETHTOOL_OPS(netdev,ops) \
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( (netdev)->ethtool_ops = (ops) )
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#endif //SET_ETHTOOL_OPS
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#endif //LINUX_VERSION_CODE >= KERNEL_VERSION(3,16,0)
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/*****************************************************************************/
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/* Installations with ethtool version without eeprom, adapter id, or statistics
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* support */
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#ifndef ETH_GSTRING_LEN
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#define ETH_GSTRING_LEN 32
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#endif
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#ifndef ETHTOOL_GSTATS
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#define ETHTOOL_GSTATS 0x1d
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#undef ethtool_drvinfo
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#define ethtool_drvinfo k_ethtool_drvinfo
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struct k_ethtool_drvinfo {
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u32 cmd;
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char driver[32];
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char version[32];
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char fw_version[32];
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char bus_info[32];
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char reserved1[32];
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char reserved2[16];
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u32 n_stats;
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u32 testinfo_len;
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u32 eedump_len;
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u32 regdump_len;
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};
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struct ethtool_stats {
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u32 cmd;
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u32 n_stats;
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u64 data[0];
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};
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#endif /* ETHTOOL_GSTATS */
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#ifndef ETHTOOL_PHYS_ID
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#define ETHTOOL_PHYS_ID 0x1c
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#endif /* ETHTOOL_PHYS_ID */
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#ifndef ETHTOOL_GSTRINGS
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#define ETHTOOL_GSTRINGS 0x1b
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enum ethtool_stringset {
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ETH_SS_TEST = 0,
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ETH_SS_STATS,
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};
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struct ethtool_gstrings {
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u32 cmd; /* ETHTOOL_GSTRINGS */
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u32 string_set; /* string set id e.c. ETH_SS_TEST, etc*/
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u32 len; /* number of strings in the string set */
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u8 data[0];
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};
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#endif /* ETHTOOL_GSTRINGS */
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#ifndef ETHTOOL_TEST
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#define ETHTOOL_TEST 0x1a
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enum ethtool_test_flags {
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ETH_TEST_FL_OFFLINE = (1 << 0),
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ETH_TEST_FL_FAILED = (1 << 1),
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};
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struct ethtool_test {
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u32 cmd;
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u32 flags;
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u32 reserved;
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u32 len;
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u64 data[0];
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};
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#endif /* ETHTOOL_TEST */
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#ifndef ETHTOOL_GEEPROM
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#define ETHTOOL_GEEPROM 0xb
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#undef ETHTOOL_GREGS
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struct ethtool_eeprom {
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u32 cmd;
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u32 magic;
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u32 offset;
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u32 len;
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u8 data[0];
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};
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struct ethtool_value {
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u32 cmd;
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u32 data;
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};
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#endif /* ETHTOOL_GEEPROM */
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#ifndef ETHTOOL_GLINK
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#define ETHTOOL_GLINK 0xa
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#endif /* ETHTOOL_GLINK */
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#ifndef ETHTOOL_GREGS
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#define ETHTOOL_GREGS 0x00000004 /* Get NIC registers */
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#define ethtool_regs _kc_ethtool_regs
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/* for passing big chunks of data */
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struct _kc_ethtool_regs {
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u32 cmd;
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u32 version; /* driver-specific, indicates different chips/revs */
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u32 len; /* bytes */
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u8 data[0];
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};
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#endif /* ETHTOOL_GREGS */
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#ifndef ETHTOOL_GMSGLVL
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#define ETHTOOL_GMSGLVL 0x00000007 /* Get driver message level */
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#endif
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#ifndef ETHTOOL_SMSGLVL
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#define ETHTOOL_SMSGLVL 0x00000008 /* Set driver msg level, priv. */
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#endif
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#ifndef ETHTOOL_NWAY_RST
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#define ETHTOOL_NWAY_RST 0x00000009 /* Restart autonegotiation, priv */
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#endif
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#ifndef ETHTOOL_GLINK
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#define ETHTOOL_GLINK 0x0000000a /* Get link status */
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#endif
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#ifndef ETHTOOL_GEEPROM
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#define ETHTOOL_GEEPROM 0x0000000b /* Get EEPROM data */
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#endif
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#ifndef ETHTOOL_SEEPROM
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#define ETHTOOL_SEEPROM 0x0000000c /* Set EEPROM data */
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#endif
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#ifndef ETHTOOL_GCOALESCE
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#define ETHTOOL_GCOALESCE 0x0000000e /* Get coalesce config */
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/* for configuring coalescing parameters of chip */
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#define ethtool_coalesce _kc_ethtool_coalesce
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struct _kc_ethtool_coalesce {
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u32 cmd; /* ETHTOOL_{G,S}COALESCE */
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/* How many usecs to delay an RX interrupt after
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* a packet arrives. If 0, only rx_max_coalesced_frames
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* is used.
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*/
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u32 rx_coalesce_usecs;
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/* How many packets to delay an RX interrupt after
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* a packet arrives. If 0, only rx_coalesce_usecs is
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* used. It is illegal to set both usecs and max frames
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* to zero as this would cause RX interrupts to never be
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* generated.
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*/
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u32 rx_max_coalesced_frames;
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/* Same as above two parameters, except that these values
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* apply while an IRQ is being serviced by the host. Not
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* all cards support this feature and the values are ignored
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* in that case.
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*/
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u32 rx_coalesce_usecs_irq;
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u32 rx_max_coalesced_frames_irq;
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/* How many usecs to delay a TX interrupt after
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* a packet is sent. If 0, only tx_max_coalesced_frames
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* is used.
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*/
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u32 tx_coalesce_usecs;
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/* How many packets to delay a TX interrupt after
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* a packet is sent. If 0, only tx_coalesce_usecs is
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* used. It is illegal to set both usecs and max frames
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* to zero as this would cause TX interrupts to never be
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* generated.
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*/
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u32 tx_max_coalesced_frames;
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/* Same as above two parameters, except that these values
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* apply while an IRQ is being serviced by the host. Not
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* all cards support this feature and the values are ignored
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* in that case.
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*/
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u32 tx_coalesce_usecs_irq;
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u32 tx_max_coalesced_frames_irq;
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/* How many usecs to delay in-memory statistics
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* block updates. Some drivers do not have an in-memory
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* statistic block, and in such cases this value is ignored.
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* This value must not be zero.
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*/
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u32 stats_block_coalesce_usecs;
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/* Adaptive RX/TX coalescing is an algorithm implemented by
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* some drivers to improve latency under low packet rates and
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* improve throughput under high packet rates. Some drivers
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* only implement one of RX or TX adaptive coalescing. Anything
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* not implemented by the driver causes these values to be
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* silently ignored.
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*/
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u32 use_adaptive_rx_coalesce;
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u32 use_adaptive_tx_coalesce;
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/* When the packet rate (measured in packets per second)
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* is below pkt_rate_low, the {rx,tx}_*_low parameters are
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* used.
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*/
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u32 pkt_rate_low;
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u32 rx_coalesce_usecs_low;
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u32 rx_max_coalesced_frames_low;
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u32 tx_coalesce_usecs_low;
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u32 tx_max_coalesced_frames_low;
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/* When the packet rate is below pkt_rate_high but above
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* pkt_rate_low (both measured in packets per second) the
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* normal {rx,tx}_* coalescing parameters are used.
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*/
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/* When the packet rate is (measured in packets per second)
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* is above pkt_rate_high, the {rx,tx}_*_high parameters are
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* used.
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*/
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u32 pkt_rate_high;
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u32 rx_coalesce_usecs_high;
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u32 rx_max_coalesced_frames_high;
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u32 tx_coalesce_usecs_high;
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u32 tx_max_coalesced_frames_high;
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/* How often to do adaptive coalescing packet rate sampling,
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* measured in seconds. Must not be zero.
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*/
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u32 rate_sample_interval;
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};
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#endif /* ETHTOOL_GCOALESCE */
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#ifndef ETHTOOL_SCOALESCE
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#define ETHTOOL_SCOALESCE 0x0000000f /* Set coalesce config. */
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#endif
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#ifndef ETHTOOL_GRINGPARAM
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#define ETHTOOL_GRINGPARAM 0x00000010 /* Get ring parameters */
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/* for configuring RX/TX ring parameters */
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#define ethtool_ringparam _kc_ethtool_ringparam
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struct _kc_ethtool_ringparam {
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u32 cmd; /* ETHTOOL_{G,S}RINGPARAM */
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/* Read only attributes. These indicate the maximum number
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* of pending RX/TX ring entries the driver will allow the
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* user to set.
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*/
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u32 rx_max_pending;
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u32 rx_mini_max_pending;
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u32 rx_jumbo_max_pending;
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u32 tx_max_pending;
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/* Values changeable by the user. The valid values are
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* in the range 1 to the "*_max_pending" counterpart above.
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*/
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u32 rx_pending;
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u32 rx_mini_pending;
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u32 rx_jumbo_pending;
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u32 tx_pending;
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};
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#endif /* ETHTOOL_GRINGPARAM */
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#ifndef ETHTOOL_SRINGPARAM
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#define ETHTOOL_SRINGPARAM 0x00000011 /* Set ring parameters, priv. */
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#endif
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#ifndef ETHTOOL_GPAUSEPARAM
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#define ETHTOOL_GPAUSEPARAM 0x00000012 /* Get pause parameters */
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/* for configuring link flow control parameters */
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#define ethtool_pauseparam _kc_ethtool_pauseparam
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struct _kc_ethtool_pauseparam {
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u32 cmd; /* ETHTOOL_{G,S}PAUSEPARAM */
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/* If the link is being auto-negotiated (via ethtool_cmd.autoneg
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* being true) the user may set 'autonet' here non-zero to have the
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* pause parameters be auto-negotiated too. In such a case, the
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* {rx,tx}_pause values below determine what capabilities are
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* advertised.
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*
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* If 'autoneg' is zero or the link is not being auto-negotiated,
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* then {rx,tx}_pause force the driver to use/not-use pause
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* flow control.
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*/
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u32 autoneg;
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u32 rx_pause;
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u32 tx_pause;
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};
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#endif /* ETHTOOL_GPAUSEPARAM */
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#ifndef ETHTOOL_SPAUSEPARAM
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#define ETHTOOL_SPAUSEPARAM 0x00000013 /* Set pause parameters. */
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#endif
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#ifndef ETHTOOL_GRXCSUM
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#define ETHTOOL_GRXCSUM 0x00000014 /* Get RX hw csum enable (ethtool_value) */
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#endif
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#ifndef ETHTOOL_SRXCSUM
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#define ETHTOOL_SRXCSUM 0x00000015 /* Set RX hw csum enable (ethtool_value) */
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#endif
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#ifndef ETHTOOL_GTXCSUM
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#define ETHTOOL_GTXCSUM 0x00000016 /* Get TX hw csum enable (ethtool_value) */
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#endif
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#ifndef ETHTOOL_STXCSUM
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#define ETHTOOL_STXCSUM 0x00000017 /* Set TX hw csum enable (ethtool_value) */
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#endif
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#ifndef ETHTOOL_GSG
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#define ETHTOOL_GSG 0x00000018 /* Get scatter-gather enable
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* (ethtool_value) */
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#endif
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#ifndef ETHTOOL_SSG
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#define ETHTOOL_SSG 0x00000019 /* Set scatter-gather enable
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* (ethtool_value). */
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#endif
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#ifndef ETHTOOL_TEST
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#define ETHTOOL_TEST 0x0000001a /* execute NIC self-test, priv. */
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#endif
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#ifndef ETHTOOL_GSTRINGS
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#define ETHTOOL_GSTRINGS 0x0000001b /* get specified string set */
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#endif
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#ifndef ETHTOOL_PHYS_ID
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#define ETHTOOL_PHYS_ID 0x0000001c /* identify the NIC */
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#endif
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#ifndef ETHTOOL_GSTATS
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#define ETHTOOL_GSTATS 0x0000001d /* get NIC-specific statistics */
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#endif
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#ifndef ETHTOOL_GTSO
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#define ETHTOOL_GTSO 0x0000001e /* Get TSO enable (ethtool_value) */
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#endif
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#ifndef ETHTOOL_STSO
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#define ETHTOOL_STSO 0x0000001f /* Set TSO enable (ethtool_value) */
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#endif
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#ifndef ETHTOOL_BUSINFO_LEN
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#define ETHTOOL_BUSINFO_LEN 32
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#endif
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/*****************************************************************************/
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