// SPDX-License-Identifier: GPL-2.0-only
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/****************************************************************************
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* Driver for Solarflare network controllers and boards
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* Copyright 2005-2006 Fen Systems Ltd.
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* Copyright 2006-2013 Solarflare Communications Inc.
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*/
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#include <linux/netdevice.h>
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#include <linux/ethtool.h>
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#include <linux/rtnetlink.h>
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#include <linux/in.h>
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#include "net_driver.h"
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#include "workarounds.h"
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#include "selftest.h"
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#include "efx.h"
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#include "filter.h"
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#include "nic.h"
|
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struct ef4_sw_stat_desc {
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const char *name;
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enum {
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EF4_ETHTOOL_STAT_SOURCE_nic,
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EF4_ETHTOOL_STAT_SOURCE_channel,
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EF4_ETHTOOL_STAT_SOURCE_tx_queue
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} source;
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unsigned offset;
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u64(*get_stat) (void *field); /* Reader function */
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};
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/* Initialiser for a struct ef4_sw_stat_desc with type-checking */
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#define EF4_ETHTOOL_STAT(stat_name, source_name, field, field_type, \
|
get_stat_function) { \
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.name = #stat_name, \
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.source = EF4_ETHTOOL_STAT_SOURCE_##source_name, \
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.offset = ((((field_type *) 0) == \
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&((struct ef4_##source_name *)0)->field) ? \
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offsetof(struct ef4_##source_name, field) : \
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offsetof(struct ef4_##source_name, field)), \
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.get_stat = get_stat_function, \
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}
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static u64 ef4_get_uint_stat(void *field)
|
{
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return *(unsigned int *)field;
|
}
|
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static u64 ef4_get_atomic_stat(void *field)
|
{
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return atomic_read((atomic_t *) field);
|
}
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#define EF4_ETHTOOL_ATOMIC_NIC_ERROR_STAT(field) \
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EF4_ETHTOOL_STAT(field, nic, field, \
|
atomic_t, ef4_get_atomic_stat)
|
|
#define EF4_ETHTOOL_UINT_CHANNEL_STAT(field) \
|
EF4_ETHTOOL_STAT(field, channel, n_##field, \
|
unsigned int, ef4_get_uint_stat)
|
|
#define EF4_ETHTOOL_UINT_TXQ_STAT(field) \
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EF4_ETHTOOL_STAT(tx_##field, tx_queue, field, \
|
unsigned int, ef4_get_uint_stat)
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static const struct ef4_sw_stat_desc ef4_sw_stat_desc[] = {
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EF4_ETHTOOL_UINT_TXQ_STAT(merge_events),
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EF4_ETHTOOL_UINT_TXQ_STAT(pushes),
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EF4_ETHTOOL_UINT_TXQ_STAT(cb_packets),
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EF4_ETHTOOL_ATOMIC_NIC_ERROR_STAT(rx_reset),
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EF4_ETHTOOL_UINT_CHANNEL_STAT(rx_tobe_disc),
|
EF4_ETHTOOL_UINT_CHANNEL_STAT(rx_ip_hdr_chksum_err),
|
EF4_ETHTOOL_UINT_CHANNEL_STAT(rx_tcp_udp_chksum_err),
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EF4_ETHTOOL_UINT_CHANNEL_STAT(rx_mcast_mismatch),
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EF4_ETHTOOL_UINT_CHANNEL_STAT(rx_frm_trunc),
|
EF4_ETHTOOL_UINT_CHANNEL_STAT(rx_merge_events),
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EF4_ETHTOOL_UINT_CHANNEL_STAT(rx_merge_packets),
|
};
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#define EF4_ETHTOOL_SW_STAT_COUNT ARRAY_SIZE(ef4_sw_stat_desc)
|
|
#define EF4_ETHTOOL_EEPROM_MAGIC 0xEFAB
|
|
/**************************************************************************
|
*
|
* Ethtool operations
|
*
|
**************************************************************************
|
*/
|
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/* Identify device by flashing LEDs */
|
static int ef4_ethtool_phys_id(struct net_device *net_dev,
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enum ethtool_phys_id_state state)
|
{
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struct ef4_nic *efx = netdev_priv(net_dev);
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enum ef4_led_mode mode = EF4_LED_DEFAULT;
|
|
switch (state) {
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case ETHTOOL_ID_ON:
|
mode = EF4_LED_ON;
|
break;
|
case ETHTOOL_ID_OFF:
|
mode = EF4_LED_OFF;
|
break;
|
case ETHTOOL_ID_INACTIVE:
|
mode = EF4_LED_DEFAULT;
|
break;
|
case ETHTOOL_ID_ACTIVE:
|
return 1; /* cycle on/off once per second */
|
}
|
|
efx->type->set_id_led(efx, mode);
|
return 0;
|
}
|
|
/* This must be called with rtnl_lock held. */
|
static int
|
ef4_ethtool_get_link_ksettings(struct net_device *net_dev,
|
struct ethtool_link_ksettings *cmd)
|
{
|
struct ef4_nic *efx = netdev_priv(net_dev);
|
struct ef4_link_state *link_state = &efx->link_state;
|
|
mutex_lock(&efx->mac_lock);
|
efx->phy_op->get_link_ksettings(efx, cmd);
|
mutex_unlock(&efx->mac_lock);
|
|
/* Both MACs support pause frames (bidirectional and respond-only) */
|
ethtool_link_ksettings_add_link_mode(cmd, supported, Pause);
|
ethtool_link_ksettings_add_link_mode(cmd, supported, Asym_Pause);
|
|
if (LOOPBACK_INTERNAL(efx)) {
|
cmd->base.speed = link_state->speed;
|
cmd->base.duplex = link_state->fd ? DUPLEX_FULL : DUPLEX_HALF;
|
}
|
|
return 0;
|
}
|
|
/* This must be called with rtnl_lock held. */
|
static int
|
ef4_ethtool_set_link_ksettings(struct net_device *net_dev,
|
const struct ethtool_link_ksettings *cmd)
|
{
|
struct ef4_nic *efx = netdev_priv(net_dev);
|
int rc;
|
|
/* GMAC does not support 1000Mbps HD */
|
if ((cmd->base.speed == SPEED_1000) &&
|
(cmd->base.duplex != DUPLEX_FULL)) {
|
netif_dbg(efx, drv, efx->net_dev,
|
"rejecting unsupported 1000Mbps HD setting\n");
|
return -EINVAL;
|
}
|
|
mutex_lock(&efx->mac_lock);
|
rc = efx->phy_op->set_link_ksettings(efx, cmd);
|
mutex_unlock(&efx->mac_lock);
|
return rc;
|
}
|
|
static void ef4_ethtool_get_drvinfo(struct net_device *net_dev,
|
struct ethtool_drvinfo *info)
|
{
|
struct ef4_nic *efx = netdev_priv(net_dev);
|
|
strlcpy(info->driver, KBUILD_MODNAME, sizeof(info->driver));
|
strlcpy(info->version, EF4_DRIVER_VERSION, sizeof(info->version));
|
strlcpy(info->bus_info, pci_name(efx->pci_dev), sizeof(info->bus_info));
|
}
|
|
static int ef4_ethtool_get_regs_len(struct net_device *net_dev)
|
{
|
return ef4_nic_get_regs_len(netdev_priv(net_dev));
|
}
|
|
static void ef4_ethtool_get_regs(struct net_device *net_dev,
|
struct ethtool_regs *regs, void *buf)
|
{
|
struct ef4_nic *efx = netdev_priv(net_dev);
|
|
regs->version = efx->type->revision;
|
ef4_nic_get_regs(efx, buf);
|
}
|
|
static u32 ef4_ethtool_get_msglevel(struct net_device *net_dev)
|
{
|
struct ef4_nic *efx = netdev_priv(net_dev);
|
return efx->msg_enable;
|
}
|
|
static void ef4_ethtool_set_msglevel(struct net_device *net_dev, u32 msg_enable)
|
{
|
struct ef4_nic *efx = netdev_priv(net_dev);
|
efx->msg_enable = msg_enable;
|
}
|
|
/**
|
* ef4_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 ef4_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 EF4_CHANNEL_NAME(_channel) "chan%d", _channel->channel
|
#define EF4_TX_QUEUE_NAME(_tx_queue) "txq%d", _tx_queue->queue
|
#define EF4_RX_QUEUE_NAME(_rx_queue) "rxq%d", _rx_queue->queue
|
#define EF4_LOOPBACK_NAME(_mode, _counter) \
|
"loopback.%s." _counter, STRING_TABLE_LOOKUP(_mode, ef4_loopback_mode)
|
|
/**
|
* ef4_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 ef4_fill_loopback_test(struct ef4_nic *efx,
|
struct ef4_loopback_self_tests *lb_tests,
|
enum ef4_loopback_mode mode,
|
unsigned int test_index,
|
u8 *strings, u64 *data)
|
{
|
struct ef4_channel *channel =
|
ef4_get_channel(efx, efx->tx_channel_offset);
|
struct ef4_tx_queue *tx_queue;
|
|
ef4_for_each_channel_tx_queue(tx_queue, channel) {
|
ef4_fill_test(test_index++, strings, data,
|
&lb_tests->tx_sent[tx_queue->queue],
|
EF4_TX_QUEUE_NAME(tx_queue),
|
EF4_LOOPBACK_NAME(mode, "tx_sent"));
|
ef4_fill_test(test_index++, strings, data,
|
&lb_tests->tx_done[tx_queue->queue],
|
EF4_TX_QUEUE_NAME(tx_queue),
|
EF4_LOOPBACK_NAME(mode, "tx_done"));
|
}
|
ef4_fill_test(test_index++, strings, data,
|
&lb_tests->rx_good,
|
"rx", 0,
|
EF4_LOOPBACK_NAME(mode, "rx_good"));
|
ef4_fill_test(test_index++, strings, data,
|
&lb_tests->rx_bad,
|
"rx", 0,
|
EF4_LOOPBACK_NAME(mode, "rx_bad"));
|
|
return test_index;
|
}
|
|
/**
|
* ef4_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 ef4_ethtool_fill_self_tests(struct ef4_nic *efx,
|
struct ef4_self_tests *tests,
|
u8 *strings, u64 *data)
|
{
|
struct ef4_channel *channel;
|
unsigned int n = 0, i;
|
enum ef4_loopback_mode mode;
|
|
ef4_fill_test(n++, strings, data, &tests->phy_alive,
|
"phy", 0, "alive", NULL);
|
ef4_fill_test(n++, strings, data, &tests->nvram,
|
"core", 0, "nvram", NULL);
|
ef4_fill_test(n++, strings, data, &tests->interrupt,
|
"core", 0, "interrupt", NULL);
|
|
/* Event queues */
|
ef4_for_each_channel(channel, efx) {
|
ef4_fill_test(n++, strings, data,
|
&tests->eventq_dma[channel->channel],
|
EF4_CHANNEL_NAME(channel),
|
"eventq.dma", NULL);
|
ef4_fill_test(n++, strings, data,
|
&tests->eventq_int[channel->channel],
|
EF4_CHANNEL_NAME(channel),
|
"eventq.int", NULL);
|
}
|
|
ef4_fill_test(n++, strings, data, &tests->memory,
|
"core", 0, "memory", NULL);
|
ef4_fill_test(n++, strings, data, &tests->registers,
|
"core", 0, "registers", NULL);
|
|
if (efx->phy_op->run_tests != NULL) {
|
EF4_BUG_ON_PARANOID(efx->phy_op->test_name == NULL);
|
|
for (i = 0; true; ++i) {
|
const char *name;
|
|
EF4_BUG_ON_PARANOID(i >= EF4_MAX_PHY_TESTS);
|
name = efx->phy_op->test_name(efx, i);
|
if (name == NULL)
|
break;
|
|
ef4_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 = ef4_fill_loopback_test(efx,
|
&tests->loopback[mode], mode, n,
|
strings, data);
|
}
|
|
return n;
|
}
|
|
static size_t ef4_describe_per_queue_stats(struct ef4_nic *efx, u8 *strings)
|
{
|
size_t n_stats = 0;
|
struct ef4_channel *channel;
|
|
ef4_for_each_channel(channel, efx) {
|
if (ef4_channel_has_tx_queues(channel)) {
|
n_stats++;
|
if (strings != NULL) {
|
snprintf(strings, ETH_GSTRING_LEN,
|
"tx-%u.tx_packets",
|
channel->tx_queue[0].queue /
|
EF4_TXQ_TYPES);
|
|
strings += ETH_GSTRING_LEN;
|
}
|
}
|
}
|
ef4_for_each_channel(channel, efx) {
|
if (ef4_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;
|
}
|
}
|
}
|
return n_stats;
|
}
|
|
static int ef4_ethtool_get_sset_count(struct net_device *net_dev,
|
int string_set)
|
{
|
struct ef4_nic *efx = netdev_priv(net_dev);
|
|
switch (string_set) {
|
case ETH_SS_STATS:
|
return efx->type->describe_stats(efx, NULL) +
|
EF4_ETHTOOL_SW_STAT_COUNT +
|
ef4_describe_per_queue_stats(efx, NULL);
|
case ETH_SS_TEST:
|
return ef4_ethtool_fill_self_tests(efx, NULL, NULL, NULL);
|
default:
|
return -EINVAL;
|
}
|
}
|
|
static void ef4_ethtool_get_strings(struct net_device *net_dev,
|
u32 string_set, u8 *strings)
|
{
|
struct ef4_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 < EF4_ETHTOOL_SW_STAT_COUNT; i++)
|
strlcpy(strings + i * ETH_GSTRING_LEN,
|
ef4_sw_stat_desc[i].name, ETH_GSTRING_LEN);
|
strings += EF4_ETHTOOL_SW_STAT_COUNT * ETH_GSTRING_LEN;
|
strings += (ef4_describe_per_queue_stats(efx, strings) *
|
ETH_GSTRING_LEN);
|
break;
|
case ETH_SS_TEST:
|
ef4_ethtool_fill_self_tests(efx, NULL, strings, NULL);
|
break;
|
default:
|
/* No other string sets */
|
break;
|
}
|
}
|
|
static void ef4_ethtool_get_stats(struct net_device *net_dev,
|
struct ethtool_stats *stats,
|
u64 *data)
|
{
|
struct ef4_nic *efx = netdev_priv(net_dev);
|
const struct ef4_sw_stat_desc *stat;
|
struct ef4_channel *channel;
|
struct ef4_tx_queue *tx_queue;
|
struct ef4_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 < EF4_ETHTOOL_SW_STAT_COUNT; i++) {
|
stat = &ef4_sw_stat_desc[i];
|
switch (stat->source) {
|
case EF4_ETHTOOL_STAT_SOURCE_nic:
|
data[i] = stat->get_stat((void *)efx + stat->offset);
|
break;
|
case EF4_ETHTOOL_STAT_SOURCE_channel:
|
data[i] = 0;
|
ef4_for_each_channel(channel, efx)
|
data[i] += stat->get_stat((void *)channel +
|
stat->offset);
|
break;
|
case EF4_ETHTOOL_STAT_SOURCE_tx_queue:
|
data[i] = 0;
|
ef4_for_each_channel(channel, efx) {
|
ef4_for_each_channel_tx_queue(tx_queue, channel)
|
data[i] +=
|
stat->get_stat((void *)tx_queue
|
+ stat->offset);
|
}
|
break;
|
}
|
}
|
data += EF4_ETHTOOL_SW_STAT_COUNT;
|
|
spin_unlock_bh(&efx->stats_lock);
|
|
ef4_for_each_channel(channel, efx) {
|
if (ef4_channel_has_tx_queues(channel)) {
|
*data = 0;
|
ef4_for_each_channel_tx_queue(tx_queue, channel) {
|
*data += tx_queue->tx_packets;
|
}
|
data++;
|
}
|
}
|
ef4_for_each_channel(channel, efx) {
|
if (ef4_channel_has_rx_queue(channel)) {
|
*data = 0;
|
ef4_for_each_channel_rx_queue(rx_queue, channel) {
|
*data += rx_queue->rx_packets;
|
}
|
data++;
|
}
|
}
|
}
|
|
static void ef4_ethtool_self_test(struct net_device *net_dev,
|
struct ethtool_test *test, u64 *data)
|
{
|
struct ef4_nic *efx = netdev_priv(net_dev);
|
struct ef4_self_tests *ef4_tests;
|
bool already_up;
|
int rc = -ENOMEM;
|
|
ef4_tests = kzalloc(sizeof(*ef4_tests), GFP_KERNEL);
|
if (!ef4_tests)
|
goto fail;
|
|
if (efx->state != STATE_READY) {
|
rc = -EBUSY;
|
goto out;
|
}
|
|
netif_info(efx, drv, efx->net_dev, "starting %sline testing\n",
|
(test->flags & ETH_TEST_FL_OFFLINE) ? "off" : "on");
|
|
/* We need rx buffers and interrupts. */
|
already_up = (efx->net_dev->flags & IFF_UP);
|
if (!already_up) {
|
rc = dev_open(efx->net_dev, NULL);
|
if (rc) {
|
netif_err(efx, drv, efx->net_dev,
|
"failed opening device.\n");
|
goto out;
|
}
|
}
|
|
rc = ef4_selftest(efx, ef4_tests, test->flags);
|
|
if (!already_up)
|
dev_close(efx->net_dev);
|
|
netif_info(efx, drv, efx->net_dev, "%s %sline self-tests\n",
|
rc == 0 ? "passed" : "failed",
|
(test->flags & ETH_TEST_FL_OFFLINE) ? "off" : "on");
|
|
out:
|
ef4_ethtool_fill_self_tests(efx, ef4_tests, NULL, data);
|
kfree(ef4_tests);
|
fail:
|
if (rc)
|
test->flags |= ETH_TEST_FL_FAILED;
|
}
|
|
/* Restart autonegotiation */
|
static int ef4_ethtool_nway_reset(struct net_device *net_dev)
|
{
|
struct ef4_nic *efx = netdev_priv(net_dev);
|
|
return mdio45_nway_restart(&efx->mdio);
|
}
|
|
/*
|
* Each channel has a single IRQ and moderation timer, started by any
|
* completion (or other event). Unless the module parameter
|
* separate_tx_channels is set, IRQs and moderation are therefore
|
* shared between RX and TX completions. In this case, when RX IRQ
|
* moderation is explicitly changed then TX IRQ moderation is
|
* automatically changed too, but otherwise we fail if the two values
|
* are requested to be different.
|
*
|
* The hardware does not support a limit on the number of completions
|
* before an IRQ, so we do not use the max_frames fields. We should
|
* report and require that max_frames == (usecs != 0), but this would
|
* invalidate existing user documentation.
|
*
|
* The hardware does not have distinct settings for interrupt
|
* moderation while the previous IRQ is being handled, so we should
|
* not use the 'irq' fields. However, an earlier developer
|
* misunderstood the meaning of the 'irq' fields and the driver did
|
* not support the standard fields. To avoid invalidating existing
|
* user documentation, we report and accept changes through either the
|
* standard or 'irq' fields. If both are changed at the same time, we
|
* prefer the standard field.
|
*
|
* We implement adaptive IRQ moderation, but use a different algorithm
|
* from that assumed in the definition of struct ethtool_coalesce.
|
* Therefore we do not use any of the adaptive moderation parameters
|
* in it.
|
*/
|
|
static int ef4_ethtool_get_coalesce(struct net_device *net_dev,
|
struct ethtool_coalesce *coalesce)
|
{
|
struct ef4_nic *efx = netdev_priv(net_dev);
|
unsigned int tx_usecs, rx_usecs;
|
bool rx_adaptive;
|
|
ef4_get_irq_moderation(efx, &tx_usecs, &rx_usecs, &rx_adaptive);
|
|
coalesce->tx_coalesce_usecs = tx_usecs;
|
coalesce->tx_coalesce_usecs_irq = tx_usecs;
|
coalesce->rx_coalesce_usecs = rx_usecs;
|
coalesce->rx_coalesce_usecs_irq = rx_usecs;
|
coalesce->use_adaptive_rx_coalesce = rx_adaptive;
|
|
return 0;
|
}
|
|
static int ef4_ethtool_set_coalesce(struct net_device *net_dev,
|
struct ethtool_coalesce *coalesce)
|
{
|
struct ef4_nic *efx = netdev_priv(net_dev);
|
struct ef4_channel *channel;
|
unsigned int tx_usecs, rx_usecs;
|
bool adaptive, rx_may_override_tx;
|
int rc;
|
|
ef4_get_irq_moderation(efx, &tx_usecs, &rx_usecs, &adaptive);
|
|
if (coalesce->rx_coalesce_usecs != rx_usecs)
|
rx_usecs = coalesce->rx_coalesce_usecs;
|
else
|
rx_usecs = coalesce->rx_coalesce_usecs_irq;
|
|
adaptive = coalesce->use_adaptive_rx_coalesce;
|
|
/* If channels are shared, TX IRQ moderation can be quietly
|
* overridden unless it is changed from its old value.
|
*/
|
rx_may_override_tx = (coalesce->tx_coalesce_usecs == tx_usecs &&
|
coalesce->tx_coalesce_usecs_irq == tx_usecs);
|
if (coalesce->tx_coalesce_usecs != tx_usecs)
|
tx_usecs = coalesce->tx_coalesce_usecs;
|
else
|
tx_usecs = coalesce->tx_coalesce_usecs_irq;
|
|
rc = ef4_init_irq_moderation(efx, tx_usecs, rx_usecs, adaptive,
|
rx_may_override_tx);
|
if (rc != 0)
|
return rc;
|
|
ef4_for_each_channel(channel, efx)
|
efx->type->push_irq_moderation(channel);
|
|
return 0;
|
}
|
|
static void ef4_ethtool_get_ringparam(struct net_device *net_dev,
|
struct ethtool_ringparam *ring)
|
{
|
struct ef4_nic *efx = netdev_priv(net_dev);
|
|
ring->rx_max_pending = EF4_MAX_DMAQ_SIZE;
|
ring->tx_max_pending = EF4_MAX_DMAQ_SIZE;
|
ring->rx_pending = efx->rxq_entries;
|
ring->tx_pending = efx->txq_entries;
|
}
|
|
static int ef4_ethtool_set_ringparam(struct net_device *net_dev,
|
struct ethtool_ringparam *ring)
|
{
|
struct ef4_nic *efx = netdev_priv(net_dev);
|
u32 txq_entries;
|
|
if (ring->rx_mini_pending || ring->rx_jumbo_pending ||
|
ring->rx_pending > EF4_MAX_DMAQ_SIZE ||
|
ring->tx_pending > EF4_MAX_DMAQ_SIZE)
|
return -EINVAL;
|
|
if (ring->rx_pending < EF4_RXQ_MIN_ENT) {
|
netif_err(efx, drv, efx->net_dev,
|
"RX queues cannot be smaller than %u\n",
|
EF4_RXQ_MIN_ENT);
|
return -EINVAL;
|
}
|
|
txq_entries = max(ring->tx_pending, EF4_TXQ_MIN_ENT(efx));
|
if (txq_entries != ring->tx_pending)
|
netif_warn(efx, drv, efx->net_dev,
|
"increasing TX queue size to minimum of %u\n",
|
txq_entries);
|
|
return ef4_realloc_channels(efx, ring->rx_pending, txq_entries);
|
}
|
|
static int ef4_ethtool_set_pauseparam(struct net_device *net_dev,
|
struct ethtool_pauseparam *pause)
|
{
|
struct ef4_nic *efx = netdev_priv(net_dev);
|
u8 wanted_fc, old_fc;
|
u32 old_adv;
|
int rc = 0;
|
|
mutex_lock(&efx->mac_lock);
|
|
wanted_fc = ((pause->rx_pause ? EF4_FC_RX : 0) |
|
(pause->tx_pause ? EF4_FC_TX : 0) |
|
(pause->autoneg ? EF4_FC_AUTO : 0));
|
|
if ((wanted_fc & EF4_FC_TX) && !(wanted_fc & EF4_FC_RX)) {
|
netif_dbg(efx, drv, efx->net_dev,
|
"Flow control unsupported: tx ON rx OFF\n");
|
rc = -EINVAL;
|
goto out;
|
}
|
|
if ((wanted_fc & EF4_FC_AUTO) && !efx->link_advertising) {
|
netif_dbg(efx, drv, efx->net_dev,
|
"Autonegotiation is disabled\n");
|
rc = -EINVAL;
|
goto out;
|
}
|
|
/* Hook for Falcon bug 11482 workaround */
|
if (efx->type->prepare_enable_fc_tx &&
|
(wanted_fc & EF4_FC_TX) && !(efx->wanted_fc & EF4_FC_TX))
|
efx->type->prepare_enable_fc_tx(efx);
|
|
old_adv = efx->link_advertising;
|
old_fc = efx->wanted_fc;
|
ef4_link_set_wanted_fc(efx, wanted_fc);
|
if (efx->link_advertising != old_adv ||
|
(efx->wanted_fc ^ old_fc) & EF4_FC_AUTO) {
|
rc = efx->phy_op->reconfigure(efx);
|
if (rc) {
|
netif_err(efx, drv, efx->net_dev,
|
"Unable to advertise requested flow "
|
"control setting\n");
|
goto out;
|
}
|
}
|
|
/* Reconfigure the MAC. The PHY *may* generate a link state change event
|
* if the user just changed the advertised capabilities, but there's no
|
* harm doing this twice */
|
ef4_mac_reconfigure(efx);
|
|
out:
|
mutex_unlock(&efx->mac_lock);
|
|
return rc;
|
}
|
|
static void ef4_ethtool_get_pauseparam(struct net_device *net_dev,
|
struct ethtool_pauseparam *pause)
|
{
|
struct ef4_nic *efx = netdev_priv(net_dev);
|
|
pause->rx_pause = !!(efx->wanted_fc & EF4_FC_RX);
|
pause->tx_pause = !!(efx->wanted_fc & EF4_FC_TX);
|
pause->autoneg = !!(efx->wanted_fc & EF4_FC_AUTO);
|
}
|
|
static void ef4_ethtool_get_wol(struct net_device *net_dev,
|
struct ethtool_wolinfo *wol)
|
{
|
struct ef4_nic *efx = netdev_priv(net_dev);
|
return efx->type->get_wol(efx, wol);
|
}
|
|
|
static int ef4_ethtool_set_wol(struct net_device *net_dev,
|
struct ethtool_wolinfo *wol)
|
{
|
struct ef4_nic *efx = netdev_priv(net_dev);
|
return efx->type->set_wol(efx, wol->wolopts);
|
}
|
|
static int ef4_ethtool_reset(struct net_device *net_dev, u32 *flags)
|
{
|
struct ef4_nic *efx = netdev_priv(net_dev);
|
int rc;
|
|
rc = efx->type->map_reset_flags(flags);
|
if (rc < 0)
|
return rc;
|
|
return ef4_reset(efx, rc);
|
}
|
|
/* MAC address mask including only I/G bit */
|
static const u8 mac_addr_ig_mask[ETH_ALEN] __aligned(2) = {0x01, 0, 0, 0, 0, 0};
|
|
#define IP4_ADDR_FULL_MASK ((__force __be32)~0)
|
#define IP_PROTO_FULL_MASK 0xFF
|
#define PORT_FULL_MASK ((__force __be16)~0)
|
#define ETHER_TYPE_FULL_MASK ((__force __be16)~0)
|
|
static inline void ip6_fill_mask(__be32 *mask)
|
{
|
mask[0] = mask[1] = mask[2] = mask[3] = ~(__be32)0;
|
}
|
|
static int ef4_ethtool_get_class_rule(struct ef4_nic *efx,
|
struct ethtool_rx_flow_spec *rule)
|
{
|
struct ethtool_tcpip4_spec *ip_entry = &rule->h_u.tcp_ip4_spec;
|
struct ethtool_tcpip4_spec *ip_mask = &rule->m_u.tcp_ip4_spec;
|
struct ethtool_usrip4_spec *uip_entry = &rule->h_u.usr_ip4_spec;
|
struct ethtool_usrip4_spec *uip_mask = &rule->m_u.usr_ip4_spec;
|
struct ethtool_tcpip6_spec *ip6_entry = &rule->h_u.tcp_ip6_spec;
|
struct ethtool_tcpip6_spec *ip6_mask = &rule->m_u.tcp_ip6_spec;
|
struct ethtool_usrip6_spec *uip6_entry = &rule->h_u.usr_ip6_spec;
|
struct ethtool_usrip6_spec *uip6_mask = &rule->m_u.usr_ip6_spec;
|
struct ethhdr *mac_entry = &rule->h_u.ether_spec;
|
struct ethhdr *mac_mask = &rule->m_u.ether_spec;
|
struct ef4_filter_spec spec;
|
int rc;
|
|
rc = ef4_filter_get_filter_safe(efx, EF4_FILTER_PRI_MANUAL,
|
rule->location, &spec);
|
if (rc)
|
return rc;
|
|
if (spec.dmaq_id == EF4_FILTER_RX_DMAQ_ID_DROP)
|
rule->ring_cookie = RX_CLS_FLOW_DISC;
|
else
|
rule->ring_cookie = spec.dmaq_id;
|
|
if ((spec.match_flags & EF4_FILTER_MATCH_ETHER_TYPE) &&
|
spec.ether_type == htons(ETH_P_IP) &&
|
(spec.match_flags & EF4_FILTER_MATCH_IP_PROTO) &&
|
(spec.ip_proto == IPPROTO_TCP || spec.ip_proto == IPPROTO_UDP) &&
|
!(spec.match_flags &
|
~(EF4_FILTER_MATCH_ETHER_TYPE | EF4_FILTER_MATCH_OUTER_VID |
|
EF4_FILTER_MATCH_LOC_HOST | EF4_FILTER_MATCH_REM_HOST |
|
EF4_FILTER_MATCH_IP_PROTO |
|
EF4_FILTER_MATCH_LOC_PORT | EF4_FILTER_MATCH_REM_PORT))) {
|
rule->flow_type = ((spec.ip_proto == IPPROTO_TCP) ?
|
TCP_V4_FLOW : UDP_V4_FLOW);
|
if (spec.match_flags & EF4_FILTER_MATCH_LOC_HOST) {
|
ip_entry->ip4dst = spec.loc_host[0];
|
ip_mask->ip4dst = IP4_ADDR_FULL_MASK;
|
}
|
if (spec.match_flags & EF4_FILTER_MATCH_REM_HOST) {
|
ip_entry->ip4src = spec.rem_host[0];
|
ip_mask->ip4src = IP4_ADDR_FULL_MASK;
|
}
|
if (spec.match_flags & EF4_FILTER_MATCH_LOC_PORT) {
|
ip_entry->pdst = spec.loc_port;
|
ip_mask->pdst = PORT_FULL_MASK;
|
}
|
if (spec.match_flags & EF4_FILTER_MATCH_REM_PORT) {
|
ip_entry->psrc = spec.rem_port;
|
ip_mask->psrc = PORT_FULL_MASK;
|
}
|
} else if ((spec.match_flags & EF4_FILTER_MATCH_ETHER_TYPE) &&
|
spec.ether_type == htons(ETH_P_IPV6) &&
|
(spec.match_flags & EF4_FILTER_MATCH_IP_PROTO) &&
|
(spec.ip_proto == IPPROTO_TCP || spec.ip_proto == IPPROTO_UDP) &&
|
!(spec.match_flags &
|
~(EF4_FILTER_MATCH_ETHER_TYPE | EF4_FILTER_MATCH_OUTER_VID |
|
EF4_FILTER_MATCH_LOC_HOST | EF4_FILTER_MATCH_REM_HOST |
|
EF4_FILTER_MATCH_IP_PROTO |
|
EF4_FILTER_MATCH_LOC_PORT | EF4_FILTER_MATCH_REM_PORT))) {
|
rule->flow_type = ((spec.ip_proto == IPPROTO_TCP) ?
|
TCP_V6_FLOW : UDP_V6_FLOW);
|
if (spec.match_flags & EF4_FILTER_MATCH_LOC_HOST) {
|
memcpy(ip6_entry->ip6dst, spec.loc_host,
|
sizeof(ip6_entry->ip6dst));
|
ip6_fill_mask(ip6_mask->ip6dst);
|
}
|
if (spec.match_flags & EF4_FILTER_MATCH_REM_HOST) {
|
memcpy(ip6_entry->ip6src, spec.rem_host,
|
sizeof(ip6_entry->ip6src));
|
ip6_fill_mask(ip6_mask->ip6src);
|
}
|
if (spec.match_flags & EF4_FILTER_MATCH_LOC_PORT) {
|
ip6_entry->pdst = spec.loc_port;
|
ip6_mask->pdst = PORT_FULL_MASK;
|
}
|
if (spec.match_flags & EF4_FILTER_MATCH_REM_PORT) {
|
ip6_entry->psrc = spec.rem_port;
|
ip6_mask->psrc = PORT_FULL_MASK;
|
}
|
} else if (!(spec.match_flags &
|
~(EF4_FILTER_MATCH_LOC_MAC | EF4_FILTER_MATCH_LOC_MAC_IG |
|
EF4_FILTER_MATCH_REM_MAC | EF4_FILTER_MATCH_ETHER_TYPE |
|
EF4_FILTER_MATCH_OUTER_VID))) {
|
rule->flow_type = ETHER_FLOW;
|
if (spec.match_flags &
|
(EF4_FILTER_MATCH_LOC_MAC | EF4_FILTER_MATCH_LOC_MAC_IG)) {
|
ether_addr_copy(mac_entry->h_dest, spec.loc_mac);
|
if (spec.match_flags & EF4_FILTER_MATCH_LOC_MAC)
|
eth_broadcast_addr(mac_mask->h_dest);
|
else
|
ether_addr_copy(mac_mask->h_dest,
|
mac_addr_ig_mask);
|
}
|
if (spec.match_flags & EF4_FILTER_MATCH_REM_MAC) {
|
ether_addr_copy(mac_entry->h_source, spec.rem_mac);
|
eth_broadcast_addr(mac_mask->h_source);
|
}
|
if (spec.match_flags & EF4_FILTER_MATCH_ETHER_TYPE) {
|
mac_entry->h_proto = spec.ether_type;
|
mac_mask->h_proto = ETHER_TYPE_FULL_MASK;
|
}
|
} else if (spec.match_flags & EF4_FILTER_MATCH_ETHER_TYPE &&
|
spec.ether_type == htons(ETH_P_IP) &&
|
!(spec.match_flags &
|
~(EF4_FILTER_MATCH_ETHER_TYPE | EF4_FILTER_MATCH_OUTER_VID |
|
EF4_FILTER_MATCH_LOC_HOST | EF4_FILTER_MATCH_REM_HOST |
|
EF4_FILTER_MATCH_IP_PROTO))) {
|
rule->flow_type = IPV4_USER_FLOW;
|
uip_entry->ip_ver = ETH_RX_NFC_IP4;
|
if (spec.match_flags & EF4_FILTER_MATCH_IP_PROTO) {
|
uip_mask->proto = IP_PROTO_FULL_MASK;
|
uip_entry->proto = spec.ip_proto;
|
}
|
if (spec.match_flags & EF4_FILTER_MATCH_LOC_HOST) {
|
uip_entry->ip4dst = spec.loc_host[0];
|
uip_mask->ip4dst = IP4_ADDR_FULL_MASK;
|
}
|
if (spec.match_flags & EF4_FILTER_MATCH_REM_HOST) {
|
uip_entry->ip4src = spec.rem_host[0];
|
uip_mask->ip4src = IP4_ADDR_FULL_MASK;
|
}
|
} else if (spec.match_flags & EF4_FILTER_MATCH_ETHER_TYPE &&
|
spec.ether_type == htons(ETH_P_IPV6) &&
|
!(spec.match_flags &
|
~(EF4_FILTER_MATCH_ETHER_TYPE | EF4_FILTER_MATCH_OUTER_VID |
|
EF4_FILTER_MATCH_LOC_HOST | EF4_FILTER_MATCH_REM_HOST |
|
EF4_FILTER_MATCH_IP_PROTO))) {
|
rule->flow_type = IPV6_USER_FLOW;
|
if (spec.match_flags & EF4_FILTER_MATCH_IP_PROTO) {
|
uip6_mask->l4_proto = IP_PROTO_FULL_MASK;
|
uip6_entry->l4_proto = spec.ip_proto;
|
}
|
if (spec.match_flags & EF4_FILTER_MATCH_LOC_HOST) {
|
memcpy(uip6_entry->ip6dst, spec.loc_host,
|
sizeof(uip6_entry->ip6dst));
|
ip6_fill_mask(uip6_mask->ip6dst);
|
}
|
if (spec.match_flags & EF4_FILTER_MATCH_REM_HOST) {
|
memcpy(uip6_entry->ip6src, spec.rem_host,
|
sizeof(uip6_entry->ip6src));
|
ip6_fill_mask(uip6_mask->ip6src);
|
}
|
} else {
|
/* The above should handle all filters that we insert */
|
WARN_ON(1);
|
return -EINVAL;
|
}
|
|
if (spec.match_flags & EF4_FILTER_MATCH_OUTER_VID) {
|
rule->flow_type |= FLOW_EXT;
|
rule->h_ext.vlan_tci = spec.outer_vid;
|
rule->m_ext.vlan_tci = htons(0xfff);
|
}
|
|
return rc;
|
}
|
|
static int
|
ef4_ethtool_get_rxnfc(struct net_device *net_dev,
|
struct ethtool_rxnfc *info, u32 *rule_locs)
|
{
|
struct ef4_nic *efx = netdev_priv(net_dev);
|
|
switch (info->cmd) {
|
case ETHTOOL_GRXRINGS:
|
info->data = efx->n_rx_channels;
|
return 0;
|
|
case ETHTOOL_GRXFH: {
|
unsigned min_revision = 0;
|
|
info->data = 0;
|
switch (info->flow_type) {
|
case TCP_V4_FLOW:
|
info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
|
fallthrough;
|
case UDP_V4_FLOW:
|
case SCTP_V4_FLOW:
|
case AH_ESP_V4_FLOW:
|
case IPV4_FLOW:
|
info->data |= RXH_IP_SRC | RXH_IP_DST;
|
min_revision = EF4_REV_FALCON_B0;
|
break;
|
default:
|
break;
|
}
|
if (ef4_nic_rev(efx) < min_revision)
|
info->data = 0;
|
return 0;
|
}
|
|
case ETHTOOL_GRXCLSRLCNT:
|
info->data = ef4_filter_get_rx_id_limit(efx);
|
if (info->data == 0)
|
return -EOPNOTSUPP;
|
info->data |= RX_CLS_LOC_SPECIAL;
|
info->rule_cnt =
|
ef4_filter_count_rx_used(efx, EF4_FILTER_PRI_MANUAL);
|
return 0;
|
|
case ETHTOOL_GRXCLSRULE:
|
if (ef4_filter_get_rx_id_limit(efx) == 0)
|
return -EOPNOTSUPP;
|
return ef4_ethtool_get_class_rule(efx, &info->fs);
|
|
case ETHTOOL_GRXCLSRLALL: {
|
s32 rc;
|
info->data = ef4_filter_get_rx_id_limit(efx);
|
if (info->data == 0)
|
return -EOPNOTSUPP;
|
rc = ef4_filter_get_rx_ids(efx, EF4_FILTER_PRI_MANUAL,
|
rule_locs, info->rule_cnt);
|
if (rc < 0)
|
return rc;
|
info->rule_cnt = rc;
|
return 0;
|
}
|
|
default:
|
return -EOPNOTSUPP;
|
}
|
}
|
|
static inline bool ip6_mask_is_full(__be32 mask[4])
|
{
|
return !~(mask[0] & mask[1] & mask[2] & mask[3]);
|
}
|
|
static inline bool ip6_mask_is_empty(__be32 mask[4])
|
{
|
return !(mask[0] | mask[1] | mask[2] | mask[3]);
|
}
|
|
static int ef4_ethtool_set_class_rule(struct ef4_nic *efx,
|
struct ethtool_rx_flow_spec *rule)
|
{
|
struct ethtool_tcpip4_spec *ip_entry = &rule->h_u.tcp_ip4_spec;
|
struct ethtool_tcpip4_spec *ip_mask = &rule->m_u.tcp_ip4_spec;
|
struct ethtool_usrip4_spec *uip_entry = &rule->h_u.usr_ip4_spec;
|
struct ethtool_usrip4_spec *uip_mask = &rule->m_u.usr_ip4_spec;
|
struct ethtool_tcpip6_spec *ip6_entry = &rule->h_u.tcp_ip6_spec;
|
struct ethtool_tcpip6_spec *ip6_mask = &rule->m_u.tcp_ip6_spec;
|
struct ethtool_usrip6_spec *uip6_entry = &rule->h_u.usr_ip6_spec;
|
struct ethtool_usrip6_spec *uip6_mask = &rule->m_u.usr_ip6_spec;
|
struct ethhdr *mac_entry = &rule->h_u.ether_spec;
|
struct ethhdr *mac_mask = &rule->m_u.ether_spec;
|
struct ef4_filter_spec spec;
|
int rc;
|
|
/* Check that user wants us to choose the location */
|
if (rule->location != RX_CLS_LOC_ANY)
|
return -EINVAL;
|
|
/* Range-check ring_cookie */
|
if (rule->ring_cookie >= efx->n_rx_channels &&
|
rule->ring_cookie != RX_CLS_FLOW_DISC)
|
return -EINVAL;
|
|
/* Check for unsupported extensions */
|
if ((rule->flow_type & FLOW_EXT) &&
|
(rule->m_ext.vlan_etype || rule->m_ext.data[0] ||
|
rule->m_ext.data[1]))
|
return -EINVAL;
|
|
ef4_filter_init_rx(&spec, EF4_FILTER_PRI_MANUAL,
|
efx->rx_scatter ? EF4_FILTER_FLAG_RX_SCATTER : 0,
|
(rule->ring_cookie == RX_CLS_FLOW_DISC) ?
|
EF4_FILTER_RX_DMAQ_ID_DROP : rule->ring_cookie);
|
|
switch (rule->flow_type & ~FLOW_EXT) {
|
case TCP_V4_FLOW:
|
case UDP_V4_FLOW:
|
spec.match_flags = (EF4_FILTER_MATCH_ETHER_TYPE |
|
EF4_FILTER_MATCH_IP_PROTO);
|
spec.ether_type = htons(ETH_P_IP);
|
spec.ip_proto = ((rule->flow_type & ~FLOW_EXT) == TCP_V4_FLOW ?
|
IPPROTO_TCP : IPPROTO_UDP);
|
if (ip_mask->ip4dst) {
|
if (ip_mask->ip4dst != IP4_ADDR_FULL_MASK)
|
return -EINVAL;
|
spec.match_flags |= EF4_FILTER_MATCH_LOC_HOST;
|
spec.loc_host[0] = ip_entry->ip4dst;
|
}
|
if (ip_mask->ip4src) {
|
if (ip_mask->ip4src != IP4_ADDR_FULL_MASK)
|
return -EINVAL;
|
spec.match_flags |= EF4_FILTER_MATCH_REM_HOST;
|
spec.rem_host[0] = ip_entry->ip4src;
|
}
|
if (ip_mask->pdst) {
|
if (ip_mask->pdst != PORT_FULL_MASK)
|
return -EINVAL;
|
spec.match_flags |= EF4_FILTER_MATCH_LOC_PORT;
|
spec.loc_port = ip_entry->pdst;
|
}
|
if (ip_mask->psrc) {
|
if (ip_mask->psrc != PORT_FULL_MASK)
|
return -EINVAL;
|
spec.match_flags |= EF4_FILTER_MATCH_REM_PORT;
|
spec.rem_port = ip_entry->psrc;
|
}
|
if (ip_mask->tos)
|
return -EINVAL;
|
break;
|
|
case TCP_V6_FLOW:
|
case UDP_V6_FLOW:
|
spec.match_flags = (EF4_FILTER_MATCH_ETHER_TYPE |
|
EF4_FILTER_MATCH_IP_PROTO);
|
spec.ether_type = htons(ETH_P_IPV6);
|
spec.ip_proto = ((rule->flow_type & ~FLOW_EXT) == TCP_V6_FLOW ?
|
IPPROTO_TCP : IPPROTO_UDP);
|
if (!ip6_mask_is_empty(ip6_mask->ip6dst)) {
|
if (!ip6_mask_is_full(ip6_mask->ip6dst))
|
return -EINVAL;
|
spec.match_flags |= EF4_FILTER_MATCH_LOC_HOST;
|
memcpy(spec.loc_host, ip6_entry->ip6dst, sizeof(spec.loc_host));
|
}
|
if (!ip6_mask_is_empty(ip6_mask->ip6src)) {
|
if (!ip6_mask_is_full(ip6_mask->ip6src))
|
return -EINVAL;
|
spec.match_flags |= EF4_FILTER_MATCH_REM_HOST;
|
memcpy(spec.rem_host, ip6_entry->ip6src, sizeof(spec.rem_host));
|
}
|
if (ip6_mask->pdst) {
|
if (ip6_mask->pdst != PORT_FULL_MASK)
|
return -EINVAL;
|
spec.match_flags |= EF4_FILTER_MATCH_LOC_PORT;
|
spec.loc_port = ip6_entry->pdst;
|
}
|
if (ip6_mask->psrc) {
|
if (ip6_mask->psrc != PORT_FULL_MASK)
|
return -EINVAL;
|
spec.match_flags |= EF4_FILTER_MATCH_REM_PORT;
|
spec.rem_port = ip6_entry->psrc;
|
}
|
if (ip6_mask->tclass)
|
return -EINVAL;
|
break;
|
|
case IPV4_USER_FLOW:
|
if (uip_mask->l4_4_bytes || uip_mask->tos || uip_mask->ip_ver ||
|
uip_entry->ip_ver != ETH_RX_NFC_IP4)
|
return -EINVAL;
|
spec.match_flags = EF4_FILTER_MATCH_ETHER_TYPE;
|
spec.ether_type = htons(ETH_P_IP);
|
if (uip_mask->ip4dst) {
|
if (uip_mask->ip4dst != IP4_ADDR_FULL_MASK)
|
return -EINVAL;
|
spec.match_flags |= EF4_FILTER_MATCH_LOC_HOST;
|
spec.loc_host[0] = uip_entry->ip4dst;
|
}
|
if (uip_mask->ip4src) {
|
if (uip_mask->ip4src != IP4_ADDR_FULL_MASK)
|
return -EINVAL;
|
spec.match_flags |= EF4_FILTER_MATCH_REM_HOST;
|
spec.rem_host[0] = uip_entry->ip4src;
|
}
|
if (uip_mask->proto) {
|
if (uip_mask->proto != IP_PROTO_FULL_MASK)
|
return -EINVAL;
|
spec.match_flags |= EF4_FILTER_MATCH_IP_PROTO;
|
spec.ip_proto = uip_entry->proto;
|
}
|
break;
|
|
case IPV6_USER_FLOW:
|
if (uip6_mask->l4_4_bytes || uip6_mask->tclass)
|
return -EINVAL;
|
spec.match_flags = EF4_FILTER_MATCH_ETHER_TYPE;
|
spec.ether_type = htons(ETH_P_IPV6);
|
if (!ip6_mask_is_empty(uip6_mask->ip6dst)) {
|
if (!ip6_mask_is_full(uip6_mask->ip6dst))
|
return -EINVAL;
|
spec.match_flags |= EF4_FILTER_MATCH_LOC_HOST;
|
memcpy(spec.loc_host, uip6_entry->ip6dst, sizeof(spec.loc_host));
|
}
|
if (!ip6_mask_is_empty(uip6_mask->ip6src)) {
|
if (!ip6_mask_is_full(uip6_mask->ip6src))
|
return -EINVAL;
|
spec.match_flags |= EF4_FILTER_MATCH_REM_HOST;
|
memcpy(spec.rem_host, uip6_entry->ip6src, sizeof(spec.rem_host));
|
}
|
if (uip6_mask->l4_proto) {
|
if (uip6_mask->l4_proto != IP_PROTO_FULL_MASK)
|
return -EINVAL;
|
spec.match_flags |= EF4_FILTER_MATCH_IP_PROTO;
|
spec.ip_proto = uip6_entry->l4_proto;
|
}
|
break;
|
|
case ETHER_FLOW:
|
if (!is_zero_ether_addr(mac_mask->h_dest)) {
|
if (ether_addr_equal(mac_mask->h_dest,
|
mac_addr_ig_mask))
|
spec.match_flags |= EF4_FILTER_MATCH_LOC_MAC_IG;
|
else if (is_broadcast_ether_addr(mac_mask->h_dest))
|
spec.match_flags |= EF4_FILTER_MATCH_LOC_MAC;
|
else
|
return -EINVAL;
|
ether_addr_copy(spec.loc_mac, mac_entry->h_dest);
|
}
|
if (!is_zero_ether_addr(mac_mask->h_source)) {
|
if (!is_broadcast_ether_addr(mac_mask->h_source))
|
return -EINVAL;
|
spec.match_flags |= EF4_FILTER_MATCH_REM_MAC;
|
ether_addr_copy(spec.rem_mac, mac_entry->h_source);
|
}
|
if (mac_mask->h_proto) {
|
if (mac_mask->h_proto != ETHER_TYPE_FULL_MASK)
|
return -EINVAL;
|
spec.match_flags |= EF4_FILTER_MATCH_ETHER_TYPE;
|
spec.ether_type = mac_entry->h_proto;
|
}
|
break;
|
|
default:
|
return -EINVAL;
|
}
|
|
if ((rule->flow_type & FLOW_EXT) && rule->m_ext.vlan_tci) {
|
if (rule->m_ext.vlan_tci != htons(0xfff))
|
return -EINVAL;
|
spec.match_flags |= EF4_FILTER_MATCH_OUTER_VID;
|
spec.outer_vid = rule->h_ext.vlan_tci;
|
}
|
|
rc = ef4_filter_insert_filter(efx, &spec, true);
|
if (rc < 0)
|
return rc;
|
|
rule->location = rc;
|
return 0;
|
}
|
|
static int ef4_ethtool_set_rxnfc(struct net_device *net_dev,
|
struct ethtool_rxnfc *info)
|
{
|
struct ef4_nic *efx = netdev_priv(net_dev);
|
|
if (ef4_filter_get_rx_id_limit(efx) == 0)
|
return -EOPNOTSUPP;
|
|
switch (info->cmd) {
|
case ETHTOOL_SRXCLSRLINS:
|
return ef4_ethtool_set_class_rule(efx, &info->fs);
|
|
case ETHTOOL_SRXCLSRLDEL:
|
return ef4_filter_remove_id_safe(efx, EF4_FILTER_PRI_MANUAL,
|
info->fs.location);
|
|
default:
|
return -EOPNOTSUPP;
|
}
|
}
|
|
static u32 ef4_ethtool_get_rxfh_indir_size(struct net_device *net_dev)
|
{
|
struct ef4_nic *efx = netdev_priv(net_dev);
|
|
return ((ef4_nic_rev(efx) < EF4_REV_FALCON_B0 ||
|
efx->n_rx_channels == 1) ?
|
0 : ARRAY_SIZE(efx->rx_indir_table));
|
}
|
|
static int ef4_ethtool_get_rxfh(struct net_device *net_dev, u32 *indir, u8 *key,
|
u8 *hfunc)
|
{
|
struct ef4_nic *efx = netdev_priv(net_dev);
|
|
if (hfunc)
|
*hfunc = ETH_RSS_HASH_TOP;
|
if (indir)
|
memcpy(indir, efx->rx_indir_table, sizeof(efx->rx_indir_table));
|
return 0;
|
}
|
|
static int ef4_ethtool_set_rxfh(struct net_device *net_dev, const u32 *indir,
|
const u8 *key, const u8 hfunc)
|
{
|
struct ef4_nic *efx = netdev_priv(net_dev);
|
|
/* We do not allow change in unsupported parameters */
|
if (key ||
|
(hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP))
|
return -EOPNOTSUPP;
|
if (!indir)
|
return 0;
|
|
return efx->type->rx_push_rss_config(efx, true, indir);
|
}
|
|
static int ef4_ethtool_get_module_eeprom(struct net_device *net_dev,
|
struct ethtool_eeprom *ee,
|
u8 *data)
|
{
|
struct ef4_nic *efx = netdev_priv(net_dev);
|
int ret;
|
|
if (!efx->phy_op || !efx->phy_op->get_module_eeprom)
|
return -EOPNOTSUPP;
|
|
mutex_lock(&efx->mac_lock);
|
ret = efx->phy_op->get_module_eeprom(efx, ee, data);
|
mutex_unlock(&efx->mac_lock);
|
|
return ret;
|
}
|
|
static int ef4_ethtool_get_module_info(struct net_device *net_dev,
|
struct ethtool_modinfo *modinfo)
|
{
|
struct ef4_nic *efx = netdev_priv(net_dev);
|
int ret;
|
|
if (!efx->phy_op || !efx->phy_op->get_module_info)
|
return -EOPNOTSUPP;
|
|
mutex_lock(&efx->mac_lock);
|
ret = efx->phy_op->get_module_info(efx, modinfo);
|
mutex_unlock(&efx->mac_lock);
|
|
return ret;
|
}
|
|
const struct ethtool_ops ef4_ethtool_ops = {
|
.supported_coalesce_params = ETHTOOL_COALESCE_USECS |
|
ETHTOOL_COALESCE_USECS_IRQ |
|
ETHTOOL_COALESCE_USE_ADAPTIVE_RX,
|
.get_drvinfo = ef4_ethtool_get_drvinfo,
|
.get_regs_len = ef4_ethtool_get_regs_len,
|
.get_regs = ef4_ethtool_get_regs,
|
.get_msglevel = ef4_ethtool_get_msglevel,
|
.set_msglevel = ef4_ethtool_set_msglevel,
|
.nway_reset = ef4_ethtool_nway_reset,
|
.get_link = ethtool_op_get_link,
|
.get_coalesce = ef4_ethtool_get_coalesce,
|
.set_coalesce = ef4_ethtool_set_coalesce,
|
.get_ringparam = ef4_ethtool_get_ringparam,
|
.set_ringparam = ef4_ethtool_set_ringparam,
|
.get_pauseparam = ef4_ethtool_get_pauseparam,
|
.set_pauseparam = ef4_ethtool_set_pauseparam,
|
.get_sset_count = ef4_ethtool_get_sset_count,
|
.self_test = ef4_ethtool_self_test,
|
.get_strings = ef4_ethtool_get_strings,
|
.set_phys_id = ef4_ethtool_phys_id,
|
.get_ethtool_stats = ef4_ethtool_get_stats,
|
.get_wol = ef4_ethtool_get_wol,
|
.set_wol = ef4_ethtool_set_wol,
|
.reset = ef4_ethtool_reset,
|
.get_rxnfc = ef4_ethtool_get_rxnfc,
|
.set_rxnfc = ef4_ethtool_set_rxnfc,
|
.get_rxfh_indir_size = ef4_ethtool_get_rxfh_indir_size,
|
.get_rxfh = ef4_ethtool_get_rxfh,
|
.set_rxfh = ef4_ethtool_set_rxfh,
|
.get_module_info = ef4_ethtool_get_module_info,
|
.get_module_eeprom = ef4_ethtool_get_module_eeprom,
|
.get_link_ksettings = ef4_ethtool_get_link_ksettings,
|
.set_link_ksettings = ef4_ethtool_set_link_ksettings,
|
};
|
