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sfc: move some ethtool code

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Various ethtool entry points are moved.

Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Alex Maftei (amaftei) 2020-01-10 13:27:32 +00:00 committed by David S. Miller
parent 190c736a80
commit 3653954da4
4 changed files with 489 additions and 442 deletions
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4
drivers/net/ethernet/sfc/Makefile
View File

@ -1,8 +1,8 @@
# SPDX-License-Identifier: GPL-2.0
sfc-y += efx.o efx_common.o efx_channels.o nic.o \
farch.o siena.o ef10.o \
tx.o tx_common.o rx.o rx_common.o \
selftest.o ethtool.o ptp.o tx_tso.o \
tx.o tx_common.o tx_tso.o rx.o rx_common.o \
selftest.o ethtool.o ethtool_common.o ptp.o \
mcdi.o mcdi_port.o mcdi_port_common.o \
mcdi_functions.o mcdi_mon.o
sfc-$(CONFIG_SFC_MTD) += mtd.o

441
drivers/net/ethernet/sfc/ethtool.c
View File

@ -16,92 +16,10 @@
#include "efx_channels.h"
#include "rx_common.h"
#include "tx_common.h"
#include "ethtool_common.h"
#include "filter.h"
#include "nic.h"
struct efx_sw_stat_desc {
const char *name;
enum {
EFX_ETHTOOL_STAT_SOURCE_nic,
EFX_ETHTOOL_STAT_SOURCE_channel,
EFX_ETHTOOL_STAT_SOURCE_tx_queue
} source;
unsigned offset;
u64(*get_stat) (void *field); /* Reader function */
};
/* Initialiser for a struct efx_sw_stat_desc with type-checking */
#define EFX_ETHTOOL_STAT(stat_name, source_name, field, field_type, \
get_stat_function) { \
.name = #stat_name, \
.source = EFX_ETHTOOL_STAT_SOURCE_##source_name, \
.offset = ((((field_type *) 0) == \
&((struct efx_##source_name *)0)->field) ? \
offsetof(struct efx_##source_name, field) : \
offsetof(struct efx_##source_name, field)), \
.get_stat = get_stat_function, \
}
static u64 efx_get_uint_stat(void *field)
{
return *(unsigned int *)field;
}
static u64 efx_get_atomic_stat(void *field)
{
return atomic_read((atomic_t *) field);
}
#define EFX_ETHTOOL_ATOMIC_NIC_ERROR_STAT(field) \
EFX_ETHTOOL_STAT(field, nic, field, \
atomic_t, efx_get_atomic_stat)
#define EFX_ETHTOOL_UINT_CHANNEL_STAT(field) \
EFX_ETHTOOL_STAT(field, channel, n_##field, \
unsigned int, efx_get_uint_stat)
#define EFX_ETHTOOL_UINT_CHANNEL_STAT_NO_N(field) \
EFX_ETHTOOL_STAT(field, channel, field, \
unsigned int, efx_get_uint_stat)
#define EFX_ETHTOOL_UINT_TXQ_STAT(field) \
EFX_ETHTOOL_STAT(tx_##field, tx_queue, field, \
unsigned int, efx_get_uint_stat)
static const struct efx_sw_stat_desc efx_sw_stat_desc[] = {
EFX_ETHTOOL_UINT_TXQ_STAT(merge_events),
EFX_ETHTOOL_UINT_TXQ_STAT(tso_bursts),
EFX_ETHTOOL_UINT_TXQ_STAT(tso_long_headers),
EFX_ETHTOOL_UINT_TXQ_STAT(tso_packets),
EFX_ETHTOOL_UINT_TXQ_STAT(tso_fallbacks),
EFX_ETHTOOL_UINT_TXQ_STAT(pushes),
EFX_ETHTOOL_UINT_TXQ_STAT(pio_packets),
EFX_ETHTOOL_UINT_TXQ_STAT(cb_packets),
EFX_ETHTOOL_ATOMIC_NIC_ERROR_STAT(rx_reset),
EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_tobe_disc),
EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_ip_hdr_chksum_err),
EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_tcp_udp_chksum_err),
EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_inner_ip_hdr_chksum_err),
EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_inner_tcp_udp_chksum_err),
EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_outer_ip_hdr_chksum_err),
EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_outer_tcp_udp_chksum_err),
EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_eth_crc_err),
EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_mcast_mismatch),
EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_frm_trunc),
EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_merge_events),
EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_merge_packets),
EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_xdp_drops),
EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_xdp_bad_drops),
EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_xdp_tx),
EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_xdp_redirect),
#ifdef CONFIG_RFS_ACCEL
EFX_ETHTOOL_UINT_CHANNEL_STAT_NO_N(rfs_filter_count),
EFX_ETHTOOL_UINT_CHANNEL_STAT(rfs_succeeded),
EFX_ETHTOOL_UINT_CHANNEL_STAT(rfs_failed),
#endif
};
#define EFX_ETHTOOL_SW_STAT_COUNT ARRAY_SIZE(efx_sw_stat_desc)
#define EFX_ETHTOOL_EEPROM_MAGIC 0xEFAB
/**************************************************************************
@ -188,18 +106,6 @@ efx_ethtool_set_link_ksettings(struct net_device *net_dev,
return rc;
}
static void efx_ethtool_get_drvinfo(struct net_device *net_dev,
struct ethtool_drvinfo *info)
{
struct efx_nic *efx = netdev_priv(net_dev);
strlcpy(info->driver, KBUILD_MODNAME, sizeof(info->driver));
strlcpy(info->version, EFX_DRIVER_VERSION, sizeof(info->version));
efx_mcdi_print_fwver(efx, info->fw_version,
sizeof(info->fw_version));
strlcpy(info->bus_info, pci_name(efx->pci_dev), sizeof(info->bus_info));
}
static int efx_ethtool_get_regs_len(struct net_device *net_dev)
{
return efx_nic_get_regs_len(netdev_priv(net_dev));
@ -214,341 +120,6 @@ static void efx_ethtool_get_regs(struct net_device *net_dev,
efx_nic_get_regs(efx, buf);
}
static u32 efx_ethtool_get_msglevel(struct net_device *net_dev)
{
struct efx_nic *efx = netdev_priv(net_dev);
return efx->msg_enable;
}
static void efx_ethtool_set_msglevel(struct net_device *net_dev, u32 msg_enable)
{
struct efx_nic *efx = netdev_priv(net_dev);
efx->msg_enable = msg_enable;
}
/**
* efx_fill_test - fill in an individual self-test entry
* @test_index: Index of the test
* @strings: Ethtool strings, or %NULL
* @data: Ethtool test results, or %NULL
* @test: Pointer to test result (used only if data != %NULL)
* @unit_format: Unit name format (e.g. "chan\%d")
* @unit_id: Unit id (e.g. 0 for "chan0")
* @test_format: Test name format (e.g. "loopback.\%s.tx.sent")
* @test_id: Test id (e.g. "PHYXS" for "loopback.PHYXS.tx_sent")
*
* Fill in an individual self-test entry.
*/
static void efx_fill_test(unsigned int test_index, u8 *strings, u64 *data,
int *test, const char *unit_format, int unit_id,
const char *test_format, const char *test_id)
{
char unit_str[ETH_GSTRING_LEN], test_str[ETH_GSTRING_LEN];
/* Fill data value, if applicable */
if (data)
data[test_index] = *test;
/* Fill string, if applicable */
if (strings) {
if (strchr(unit_format, '%'))
snprintf(unit_str, sizeof(unit_str),
unit_format, unit_id);
else
strcpy(unit_str, unit_format);
snprintf(test_str, sizeof(test_str), test_format, test_id);
snprintf(strings + test_index * ETH_GSTRING_LEN,
ETH_GSTRING_LEN,
"%-6s %-24s", unit_str, test_str);
}
}
#define EFX_CHANNEL_NAME(_channel) "chan%d", _channel->channel
#define EFX_TX_QUEUE_NAME(_tx_queue) "txq%d", _tx_queue->queue
#define EFX_RX_QUEUE_NAME(_rx_queue) "rxq%d", _rx_queue->queue
#define EFX_LOOPBACK_NAME(_mode, _counter) \
"loopback.%s." _counter, STRING_TABLE_LOOKUP(_mode, efx_loopback_mode)
/**
* efx_fill_loopback_test - fill in a block of loopback self-test entries
* @efx: Efx NIC
* @lb_tests: Efx loopback self-test results structure
* @mode: Loopback test mode
* @test_index: Starting index of the test
* @strings: Ethtool strings, or %NULL
* @data: Ethtool test results, or %NULL
*
* Fill in a block of loopback self-test entries. Return new test
* index.
*/
static int efx_fill_loopback_test(struct efx_nic *efx,
struct efx_loopback_self_tests *lb_tests,
enum efx_loopback_mode mode,
unsigned int test_index,
u8 *strings, u64 *data)
{
struct efx_channel *channel =
efx_get_channel(efx, efx->tx_channel_offset);
struct efx_tx_queue *tx_queue;
efx_for_each_channel_tx_queue(tx_queue, channel) {
efx_fill_test(test_index++, strings, data,
&lb_tests->tx_sent[tx_queue->queue],
EFX_TX_QUEUE_NAME(tx_queue),
EFX_LOOPBACK_NAME(mode, "tx_sent"));
efx_fill_test(test_index++, strings, data,
&lb_tests->tx_done[tx_queue->queue],
EFX_TX_QUEUE_NAME(tx_queue),
EFX_LOOPBACK_NAME(mode, "tx_done"));
}
efx_fill_test(test_index++, strings, data,
&lb_tests->rx_good,
"rx", 0,
EFX_LOOPBACK_NAME(mode, "rx_good"));
efx_fill_test(test_index++, strings, data,
&lb_tests->rx_bad,
"rx", 0,
EFX_LOOPBACK_NAME(mode, "rx_bad"));
return test_index;
}
/**
* efx_ethtool_fill_self_tests - get self-test details
* @efx: Efx NIC
* @tests: Efx self-test results structure, or %NULL
* @strings: Ethtool strings, or %NULL
* @data: Ethtool test results, or %NULL
*
* Get self-test number of strings, strings, and/or test results.
* Return number of strings (== number of test results).
*
* The reason for merging these three functions is to make sure that
* they can never be inconsistent.
*/
static int efx_ethtool_fill_self_tests(struct efx_nic *efx,
struct efx_self_tests *tests,
u8 *strings, u64 *data)
{
struct efx_channel *channel;
unsigned int n = 0, i;
enum efx_loopback_mode mode;
efx_fill_test(n++, strings, data, &tests->phy_alive,
"phy", 0, "alive", NULL);
efx_fill_test(n++, strings, data, &tests->nvram,
"core", 0, "nvram", NULL);
efx_fill_test(n++, strings, data, &tests->interrupt,
"core", 0, "interrupt", NULL);
/* Event queues */
efx_for_each_channel(channel, efx) {
efx_fill_test(n++, strings, data,
&tests->eventq_dma[channel->channel],
EFX_CHANNEL_NAME(channel),
"eventq.dma", NULL);
efx_fill_test(n++, strings, data,
&tests->eventq_int[channel->channel],
EFX_CHANNEL_NAME(channel),
"eventq.int", NULL);
}
efx_fill_test(n++, strings, data, &tests->memory,
"core", 0, "memory", NULL);
efx_fill_test(n++, strings, data, &tests->registers,
"core", 0, "registers", NULL);
if (efx->phy_op->run_tests != NULL) {
EFX_WARN_ON_PARANOID(efx->phy_op->test_name == NULL);
for (i = 0; true; ++i) {
const char *name;
EFX_WARN_ON_PARANOID(i >= EFX_MAX_PHY_TESTS);
name = efx->phy_op->test_name(efx, i);
if (name == NULL)
break;
efx_fill_test(n++, strings, data, &tests->phy_ext[i],
"phy", 0, name, NULL);
}
}
/* Loopback tests */
for (mode = LOOPBACK_NONE; mode <= LOOPBACK_TEST_MAX; mode++) {
if (!(efx->loopback_modes & (1 << mode)))
continue;
n = efx_fill_loopback_test(efx,
&tests->loopback[mode], mode, n,
strings, data);
}
return n;
}
static size_t efx_describe_per_queue_stats(struct efx_nic *efx, u8 *strings)
{
size_t n_stats = 0;
struct efx_channel *channel;
efx_for_each_channel(channel, efx) {
if (efx_channel_has_tx_queues(channel)) {
n_stats++;
if (strings != NULL) {
snprintf(strings, ETH_GSTRING_LEN,
"tx-%u.tx_packets",
channel->tx_queue[0].queue /
EFX_TXQ_TYPES);
strings += ETH_GSTRING_LEN;
}
}
}
efx_for_each_channel(channel, efx) {
if (efx_channel_has_rx_queue(channel)) {
n_stats++;
if (strings != NULL) {
snprintf(strings, ETH_GSTRING_LEN,
"rx-%d.rx_packets", channel->channel);
strings += ETH_GSTRING_LEN;
}
}
}
if (efx->xdp_tx_queue_count && efx->xdp_tx_queues) {
unsigned short xdp;
for (xdp = 0; xdp < efx->xdp_tx_queue_count; xdp++) {
n_stats++;
if (strings) {
snprintf(strings, ETH_GSTRING_LEN,
"tx-xdp-cpu-%hu.tx_packets", xdp);
strings += ETH_GSTRING_LEN;
}
}
}
return n_stats;
}
static int efx_ethtool_get_sset_count(struct net_device *net_dev,
int string_set)
{
struct efx_nic *efx = netdev_priv(net_dev);
switch (string_set) {
case ETH_SS_STATS:
return efx->type->describe_stats(efx, NULL) +
EFX_ETHTOOL_SW_STAT_COUNT +
efx_describe_per_queue_stats(efx, NULL) +
efx_ptp_describe_stats(efx, NULL);
case ETH_SS_TEST:
return efx_ethtool_fill_self_tests(efx, NULL, NULL, NULL);
default:
return -EINVAL;
}
}
static void efx_ethtool_get_strings(struct net_device *net_dev,
u32 string_set, u8 *strings)
{
struct efx_nic *efx = netdev_priv(net_dev);
int i;
switch (string_set) {
case ETH_SS_STATS:
strings += (efx->type->describe_stats(efx, strings) *
ETH_GSTRING_LEN);
for (i = 0; i < EFX_ETHTOOL_SW_STAT_COUNT; i++)
strlcpy(strings + i * ETH_GSTRING_LEN,
efx_sw_stat_desc[i].name, ETH_GSTRING_LEN);
strings += EFX_ETHTOOL_SW_STAT_COUNT * ETH_GSTRING_LEN;
strings += (efx_describe_per_queue_stats(efx, strings) *
ETH_GSTRING_LEN);
efx_ptp_describe_stats(efx, strings);
break;
case ETH_SS_TEST:
efx_ethtool_fill_self_tests(efx, NULL, strings, NULL);
break;
default:
/* No other string sets */
break;
}
}
static void efx_ethtool_get_stats(struct net_device *net_dev,
struct ethtool_stats *stats,
u64 *data)
{
struct efx_nic *efx = netdev_priv(net_dev);
const struct efx_sw_stat_desc *stat;
struct efx_channel *channel;
struct efx_tx_queue *tx_queue;
struct efx_rx_queue *rx_queue;
int i;
spin_lock_bh(&efx->stats_lock);
/* Get NIC statistics */
data += efx->type->update_stats(efx, data, NULL);
/* Get software statistics */
for (i = 0; i < EFX_ETHTOOL_SW_STAT_COUNT; i++) {
stat = &efx_sw_stat_desc[i];
switch (stat->source) {
case EFX_ETHTOOL_STAT_SOURCE_nic:
data[i] = stat->get_stat((void *)efx + stat->offset);
break;
case EFX_ETHTOOL_STAT_SOURCE_channel:
data[i] = 0;
efx_for_each_channel(channel, efx)
data[i] += stat->get_stat((void *)channel +
stat->offset);
break;
case EFX_ETHTOOL_STAT_SOURCE_tx_queue:
data[i] = 0;
efx_for_each_channel(channel, efx) {
efx_for_each_channel_tx_queue(tx_queue, channel)
data[i] +=
stat->get_stat((void *)tx_queue
+ stat->offset);
}
break;
}
}
data += EFX_ETHTOOL_SW_STAT_COUNT;
spin_unlock_bh(&efx->stats_lock);
efx_for_each_channel(channel, efx) {
if (efx_channel_has_tx_queues(channel)) {
*data = 0;
efx_for_each_channel_tx_queue(tx_queue, channel) {
*data += tx_queue->tx_packets;
}
data++;
}
}
efx_for_each_channel(channel, efx) {
if (efx_channel_has_rx_queue(channel)) {
*data = 0;
efx_for_each_channel_rx_queue(rx_queue, channel) {
*data += rx_queue->rx_packets;
}
data++;
}
}
if (efx->xdp_tx_queue_count && efx->xdp_tx_queues) {
int xdp;
for (xdp = 0; xdp < efx->xdp_tx_queue_count; xdp++) {
data[0] = efx->xdp_tx_queues[xdp]->tx_packets;
data++;
}
}
efx_ptp_update_stats(efx, data);
}
static void efx_ethtool_self_test(struct net_device *net_dev,
struct ethtool_test *test, u64 *data)
{
@ -790,16 +361,6 @@ static int efx_ethtool_set_pauseparam(struct net_device *net_dev,
return rc;
}
static void efx_ethtool_get_pauseparam(struct net_device *net_dev,
struct ethtool_pauseparam *pause)
{
struct efx_nic *efx = netdev_priv(net_dev);
pause->rx_pause = !!(efx->wanted_fc & EFX_FC_RX);
pause->tx_pause = !!(efx->wanted_fc & EFX_FC_TX);
pause->autoneg = !!(efx->wanted_fc & EFX_FC_AUTO);
}
static void efx_ethtool_get_wol(struct net_device *net_dev,
struct ethtool_wolinfo *wol)
{

456
drivers/net/ethernet/sfc/ethtool_common.c Normal file
View File

@ -0,0 +1,456 @@
// SPDX-License-Identifier: GPL-2.0-only
/****************************************************************************
* Driver for Solarflare network controllers and boards
* Copyright 2019 Solarflare Communications Inc.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation, incorporated herein by reference.
*/
#include <linux/module.h>
#include <linux/netdevice.h>
#include "net_driver.h"
#include "mcdi.h"
#include "nic.h"
#include "selftest.h"
#include "ethtool_common.h"
struct efx_sw_stat_desc {
const char *name;
enum {
EFX_ETHTOOL_STAT_SOURCE_nic,
EFX_ETHTOOL_STAT_SOURCE_channel,
EFX_ETHTOOL_STAT_SOURCE_tx_queue
} source;
unsigned int offset;
u64 (*get_stat)(void *field); /* Reader function */
};
/* Initialiser for a struct efx_sw_stat_desc with type-checking */
#define EFX_ETHTOOL_STAT(stat_name, source_name, field, field_type, \
get_stat_function) { \
.name = #stat_name, \
.source = EFX_ETHTOOL_STAT_SOURCE_##source_name, \
.offset = ((((field_type *) 0) == \
&((struct efx_##source_name *)0)->field) ? \
offsetof(struct efx_##source_name, field) : \
offsetof(struct efx_##source_name, field)), \
.get_stat = get_stat_function, \
}
static u64 efx_get_uint_stat(void *field)
{
return *(unsigned int *)field;
}
static u64 efx_get_atomic_stat(void *field)
{
return atomic_read((atomic_t *) field);
}
#define EFX_ETHTOOL_ATOMIC_NIC_ERROR_STAT(field) \
EFX_ETHTOOL_STAT(field, nic, field, \
atomic_t, efx_get_atomic_stat)
#define EFX_ETHTOOL_UINT_CHANNEL_STAT(field) \
EFX_ETHTOOL_STAT(field, channel, n_##field, \
unsigned int, efx_get_uint_stat)
#define EFX_ETHTOOL_UINT_CHANNEL_STAT_NO_N(field) \
EFX_ETHTOOL_STAT(field, channel, field, \
unsigned int, efx_get_uint_stat)
#define EFX_ETHTOOL_UINT_TXQ_STAT(field) \
EFX_ETHTOOL_STAT(tx_##field, tx_queue, field, \
unsigned int, efx_get_uint_stat)
static const struct efx_sw_stat_desc efx_sw_stat_desc[] = {
EFX_ETHTOOL_UINT_TXQ_STAT(merge_events),
EFX_ETHTOOL_UINT_TXQ_STAT(tso_bursts),
EFX_ETHTOOL_UINT_TXQ_STAT(tso_long_headers),
EFX_ETHTOOL_UINT_TXQ_STAT(tso_packets),
EFX_ETHTOOL_UINT_TXQ_STAT(tso_fallbacks),
EFX_ETHTOOL_UINT_TXQ_STAT(pushes),
EFX_ETHTOOL_UINT_TXQ_STAT(pio_packets),
EFX_ETHTOOL_UINT_TXQ_STAT(cb_packets),
EFX_ETHTOOL_ATOMIC_NIC_ERROR_STAT(rx_reset),
EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_tobe_disc),
EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_ip_hdr_chksum_err),
EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_tcp_udp_chksum_err),
EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_inner_ip_hdr_chksum_err),
EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_inner_tcp_udp_chksum_err),
EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_outer_ip_hdr_chksum_err),
EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_outer_tcp_udp_chksum_err),
EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_eth_crc_err),
EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_mcast_mismatch),
EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_frm_trunc),
EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_merge_events),
EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_merge_packets),
EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_xdp_drops),
EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_xdp_bad_drops),
EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_xdp_tx),
EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_xdp_redirect),
#ifdef CONFIG_RFS_ACCEL
EFX_ETHTOOL_UINT_CHANNEL_STAT_NO_N(rfs_filter_count),
EFX_ETHTOOL_UINT_CHANNEL_STAT(rfs_succeeded),
EFX_ETHTOOL_UINT_CHANNEL_STAT(rfs_failed),
#endif
};
#define EFX_ETHTOOL_SW_STAT_COUNT ARRAY_SIZE(efx_sw_stat_desc)
void efx_ethtool_get_drvinfo(struct net_device *net_dev,
struct ethtool_drvinfo *info)
{
struct efx_nic *efx = netdev_priv(net_dev);
strlcpy(info->driver, KBUILD_MODNAME, sizeof(info->driver));
strlcpy(info->version, EFX_DRIVER_VERSION, sizeof(info->version));
efx_mcdi_print_fwver(efx, info->fw_version,
sizeof(info->fw_version));
strlcpy(info->bus_info, pci_name(efx->pci_dev), sizeof(info->bus_info));
}
u32 efx_ethtool_get_msglevel(struct net_device *net_dev)
{
struct efx_nic *efx = netdev_priv(net_dev);
return efx->msg_enable;
}
void efx_ethtool_set_msglevel(struct net_device *net_dev, u32 msg_enable)
{
struct efx_nic *efx = netdev_priv(net_dev);
efx->msg_enable = msg_enable;
}
void efx_ethtool_get_pauseparam(struct net_device *net_dev,
struct ethtool_pauseparam *pause)
{
struct efx_nic *efx = netdev_priv(net_dev);
pause->rx_pause = !!(efx->wanted_fc & EFX_FC_RX);
pause->tx_pause = !!(efx->wanted_fc & EFX_FC_TX);
pause->autoneg = !!(efx->wanted_fc & EFX_FC_AUTO);
}
/**
* efx_fill_test - fill in an individual self-test entry
* @test_index: Index of the test
* @strings: Ethtool strings, or %NULL
* @data: Ethtool test results, or %NULL
* @test: Pointer to test result (used only if data != %NULL)
* @unit_format: Unit name format (e.g. "chan\%d")
* @unit_id: Unit id (e.g. 0 for "chan0")
* @test_format: Test name format (e.g. "loopback.\%s.tx.sent")
* @test_id: Test id (e.g. "PHYXS" for "loopback.PHYXS.tx_sent")
*
* Fill in an individual self-test entry.
*/
void efx_fill_test(unsigned int test_index, u8 *strings, u64 *data,
int *test, const char *unit_format, int unit_id,
const char *test_format, const char *test_id)
{
char unit_str[ETH_GSTRING_LEN], test_str[ETH_GSTRING_LEN];
/* Fill data value, if applicable */
if (data)
data[test_index] = *test;
/* Fill string, if applicable */
if (strings) {
if (strchr(unit_format, '%'))
snprintf(unit_str, sizeof(unit_str),
unit_format, unit_id);
else
strcpy(unit_str, unit_format);
snprintf(test_str, sizeof(test_str), test_format, test_id);
snprintf(strings + test_index * ETH_GSTRING_LEN,
ETH_GSTRING_LEN,
"%-6s %-24s", unit_str, test_str);
}
}
#define EFX_CHANNEL_NAME(_channel) "chan%d", _channel->channel
#define EFX_TX_QUEUE_NAME(_tx_queue) "txq%d", _tx_queue->queue
#define EFX_RX_QUEUE_NAME(_rx_queue) "rxq%d", _rx_queue->queue
#define EFX_LOOPBACK_NAME(_mode, _counter) \
"loopback.%s." _counter, STRING_TABLE_LOOKUP(_mode, efx_loopback_mode)
/**
* efx_fill_loopback_test - fill in a block of loopback self-test entries
* @efx: Efx NIC
* @lb_tests: Efx loopback self-test results structure
* @mode: Loopback test mode
* @test_index: Starting index of the test
* @strings: Ethtool strings, or %NULL
* @data: Ethtool test results, or %NULL
*
* Fill in a block of loopback self-test entries. Return new test
* index.
*/
int efx_fill_loopback_test(struct efx_nic *efx,
struct efx_loopback_self_tests *lb_tests,
enum efx_loopback_mode mode,
unsigned int test_index, u8 *strings, u64 *data)
{
struct efx_channel *channel =
efx_get_channel(efx, efx->tx_channel_offset);
struct efx_tx_queue *tx_queue;
efx_for_each_channel_tx_queue(tx_queue, channel) {
efx_fill_test(test_index++, strings, data,
&lb_tests->tx_sent[tx_queue->queue],
EFX_TX_QUEUE_NAME(tx_queue),
EFX_LOOPBACK_NAME(mode, "tx_sent"));
efx_fill_test(test_index++, strings, data,
&lb_tests->tx_done[tx_queue->queue],
EFX_TX_QUEUE_NAME(tx_queue),
EFX_LOOPBACK_NAME(mode, "tx_done"));
}
efx_fill_test(test_index++, strings, data,
&lb_tests->rx_good,
"rx", 0,
EFX_LOOPBACK_NAME(mode, "rx_good"));
efx_fill_test(test_index++, strings, data,
&lb_tests->rx_bad,
"rx", 0,
EFX_LOOPBACK_NAME(mode, "rx_bad"));
return test_index;
}
/**
* efx_ethtool_fill_self_tests - get self-test details
* @efx: Efx NIC
* @tests: Efx self-test results structure, or %NULL
* @strings: Ethtool strings, or %NULL
* @data: Ethtool test results, or %NULL
*
* Get self-test number of strings, strings, and/or test results.
* Return number of strings (== number of test results).
*
* The reason for merging these three functions is to make sure that
* they can never be inconsistent.
*/
int efx_ethtool_fill_self_tests(struct efx_nic *efx,
struct efx_self_tests *tests,
u8 *strings, u64 *data)
{
struct efx_channel *channel;
unsigned int n = 0, i;
enum efx_loopback_mode mode;
efx_fill_test(n++, strings, data, &tests->phy_alive,
"phy", 0, "alive", NULL);
efx_fill_test(n++, strings, data, &tests->nvram,
"core", 0, "nvram", NULL);
efx_fill_test(n++, strings, data, &tests->interrupt,
"core", 0, "interrupt", NULL);
/* Event queues */
efx_for_each_channel(channel, efx) {
efx_fill_test(n++, strings, data,
&tests->eventq_dma[channel->channel],
EFX_CHANNEL_NAME(channel),
"eventq.dma", NULL);
efx_fill_test(n++, strings, data,
&tests->eventq_int[channel->channel],
EFX_CHANNEL_NAME(channel),
"eventq.int", NULL);
}
efx_fill_test(n++, strings, data, &tests->memory,
"core", 0, "memory", NULL);
efx_fill_test(n++, strings, data, &tests->registers,
"core", 0, "registers", NULL);
if (efx->phy_op->run_tests != NULL) {
EFX_WARN_ON_PARANOID(efx->phy_op->test_name == NULL);
for (i = 0; true; ++i) {
const char *name;
EFX_WARN_ON_PARANOID(i >= EFX_MAX_PHY_TESTS);
name = efx->phy_op->test_name(efx, i);
if (name == NULL)
break;
efx_fill_test(n++, strings, data, &tests->phy_ext[i],
"phy", 0, name, NULL);
}
}
/* Loopback tests */
for (mode = LOOPBACK_NONE; mode <= LOOPBACK_TEST_MAX; mode++) {
if (!(efx->loopback_modes & (1 << mode)))
continue;
n = efx_fill_loopback_test(efx,
&tests->loopback[mode], mode, n,
strings, data);
}
return n;
}
size_t efx_describe_per_queue_stats(struct efx_nic *efx, u8 *strings)
{
size_t n_stats = 0;
struct efx_channel *channel;
efx_for_each_channel(channel, efx) {
if (efx_channel_has_tx_queues(channel)) {
n_stats++;
if (strings != NULL) {
snprintf(strings, ETH_GSTRING_LEN,
"tx-%u.tx_packets",
channel->tx_queue[0].queue /
EFX_TXQ_TYPES);
strings += ETH_GSTRING_LEN;
}
}
}
efx_for_each_channel(channel, efx) {
if (efx_channel_has_rx_queue(channel)) {
n_stats++;
if (strings != NULL) {
snprintf(strings, ETH_GSTRING_LEN,
"rx-%d.rx_packets", channel->channel);
strings += ETH_GSTRING_LEN;
}
}
}
if (efx->xdp_tx_queue_count && efx->xdp_tx_queues) {
unsigned short xdp;
for (xdp = 0; xdp < efx->xdp_tx_queue_count; xdp++) {
n_stats++;
if (strings) {
snprintf(strings, ETH_GSTRING_LEN,
"tx-xdp-cpu-%hu.tx_packets", xdp);
strings += ETH_GSTRING_LEN;
}
}
}
return n_stats;
}
int efx_ethtool_get_sset_count(struct net_device *net_dev, int string_set)
{
struct efx_nic *efx = netdev_priv(net_dev);
switch (string_set) {
case ETH_SS_STATS:
return efx->type->describe_stats(efx, NULL) +
EFX_ETHTOOL_SW_STAT_COUNT +
efx_describe_per_queue_stats(efx, NULL) +
efx_ptp_describe_stats(efx, NULL);
case ETH_SS_TEST:
return efx_ethtool_fill_self_tests(efx, NULL, NULL, NULL);
default:
return -EINVAL;
}
}
void efx_ethtool_get_strings(struct net_device *net_dev,
u32 string_set, u8 *strings)
{
struct efx_nic *efx = netdev_priv(net_dev);
int i;
switch (string_set) {
case ETH_SS_STATS:
strings += (efx->type->describe_stats(efx, strings) *
ETH_GSTRING_LEN);
for (i = 0; i < EFX_ETHTOOL_SW_STAT_COUNT; i++)
strlcpy(strings + i * ETH_GSTRING_LEN,
efx_sw_stat_desc[i].name, ETH_GSTRING_LEN);
strings += EFX_ETHTOOL_SW_STAT_COUNT * ETH_GSTRING_LEN;
strings += (efx_describe_per_queue_stats(efx, strings) *
ETH_GSTRING_LEN);
efx_ptp_describe_stats(efx, strings);
break;
case ETH_SS_TEST:
efx_ethtool_fill_self_tests(efx, NULL, strings, NULL);
break;
default:
/* No other string sets */
break;
}
}
void efx_ethtool_get_stats(struct net_device *net_dev,
struct ethtool_stats *stats,
u64 *data)
{
struct efx_nic *efx = netdev_priv(net_dev);
const struct efx_sw_stat_desc *stat;
struct efx_channel *channel;
struct efx_tx_queue *tx_queue;
struct efx_rx_queue *rx_queue;
int i;
spin_lock_bh(&efx->stats_lock);
/* Get NIC statistics */
data += efx->type->update_stats(efx, data, NULL);
/* Get software statistics */
for (i = 0; i < EFX_ETHTOOL_SW_STAT_COUNT; i++) {
stat = &efx_sw_stat_desc[i];
switch (stat->source) {
case EFX_ETHTOOL_STAT_SOURCE_nic:
data[i] = stat->get_stat((void *)efx + stat->offset);
break;
case EFX_ETHTOOL_STAT_SOURCE_channel:
data[i] = 0;
efx_for_each_channel(channel, efx)
data[i] += stat->get_stat((void *)channel +
stat->offset);
break;
case EFX_ETHTOOL_STAT_SOURCE_tx_queue:
data[i] = 0;
efx_for_each_channel(channel, efx) {
efx_for_each_channel_tx_queue(tx_queue, channel)
data[i] +=
stat->get_stat((void *)tx_queue
+ stat->offset);
}
break;
}
}
data += EFX_ETHTOOL_SW_STAT_COUNT;
spin_unlock_bh(&efx->stats_lock);
efx_for_each_channel(channel, efx) {
if (efx_channel_has_tx_queues(channel)) {
*data = 0;
efx_for_each_channel_tx_queue(tx_queue, channel) {
*data += tx_queue->tx_packets;
}
data++;
}
}
efx_for_each_channel(channel, efx) {
if (efx_channel_has_rx_queue(channel)) {
*data = 0;
efx_for_each_channel_rx_queue(rx_queue, channel) {
*data += rx_queue->rx_packets;
}
data++;
}
}
if (efx->xdp_tx_queue_count && efx->xdp_tx_queues) {
int xdp;
for (xdp = 0; xdp < efx->xdp_tx_queue_count; xdp++) {
data[0] = efx->xdp_tx_queues[xdp]->tx_packets;
data++;
}
}
efx_ptp_update_stats(efx, data);
}

30
drivers/net/ethernet/sfc/ethtool_common.h Normal file
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@ -0,0 +1,30 @@
/* SPDX-License-Identifier: GPL-2.0-only */
/****************************************************************************
* Driver for Solarflare network controllers and boards
* Copyright 2019 Solarflare Communications Inc.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation, incorporated herein by reference.
*/
#ifndef EFX_ETHTOOL_COMMON_H
#define EFX_ETHTOOL_COMMON_H
void efx_ethtool_get_drvinfo(struct net_device *net_dev,
struct ethtool_drvinfo *info);
u32 efx_ethtool_get_msglevel(struct net_device *net_dev);
void efx_ethtool_set_msglevel(struct net_device *net_dev, u32 msg_enable);
void efx_ethtool_get_pauseparam(struct net_device *net_dev,
struct ethtool_pauseparam *pause);
int efx_ethtool_fill_self_tests(struct efx_nic *efx,
struct efx_self_tests *tests,
u8 *strings, u64 *data);
int efx_ethtool_get_sset_count(struct net_device *net_dev, int string_set);
void efx_ethtool_get_strings(struct net_device *net_dev, u32 string_set,
u8 *strings);
void efx_ethtool_get_stats(struct net_device *net_dev,
struct ethtool_stats *stats __attribute__ ((unused)),
u64 *data);
#endif