523 lines
14 KiB
C
523 lines
14 KiB
C
|
// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-or-later
|
||
|
|
/*
|
||
|
|
* Copyright 2008 - 2016 Freescale Semiconductor Inc.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
|
||
|
|
|
||
|
|
#include <linux/string.h>
|
||
|
|
#include <linux/of_platform.h>
|
||
|
|
#include <linux/net_tstamp.h>
|
||
|
|
#include <linux/fsl/ptp_qoriq.h>
|
||
|
|
|
||
|
|
#include "dpaa_eth.h"
|
||
|
|
#include "mac.h"
|
||
|
|
|
||
|
|
static const char dpaa_stats_percpu[][ETH_GSTRING_LEN] = {
|
||
|
|
"interrupts",
|
||
|
|
"rx packets",
|
||
|
|
"tx packets",
|
||
|
|
"tx confirm",
|
||
|
|
"tx S/G",
|
||
|
|
"tx error",
|
||
|
|
"rx error",
|
||
|
|
"rx dropped",
|
||
|
|
"tx dropped",
|
||
|
|
};
|
||
|
|
|
||
|
|
static char dpaa_stats_global[][ETH_GSTRING_LEN] = {
|
||
|
|
/* dpa rx errors */
|
||
|
|
"rx dma error",
|
||
|
|
"rx frame physical error",
|
||
|
|
"rx frame size error",
|
||
|
|
"rx header error",
|
||
|
|
|
||
|
|
/* demultiplexing errors */
|
||
|
|
"qman cg_tdrop",
|
||
|
|
"qman wred",
|
||
|
|
"qman error cond",
|
||
|
|
"qman early window",
|
||
|
|
"qman late window",
|
||
|
|
"qman fq tdrop",
|
||
|
|
"qman fq retired",
|
||
|
|
"qman orp disabled",
|
||
|
|
|
||
|
|
/* congestion related stats */
|
||
|
|
"congestion time (ms)",
|
||
|
|
"entered congestion",
|
||
|
|
"congested (0/1)"
|
||
|
|
};
|
||
|
|
|
||
|
|
#define DPAA_STATS_PERCPU_LEN ARRAY_SIZE(dpaa_stats_percpu)
|
||
|
|
#define DPAA_STATS_GLOBAL_LEN ARRAY_SIZE(dpaa_stats_global)
|
||
|
|
|
||
|
|
static int dpaa_get_link_ksettings(struct net_device *net_dev,
|
||
|
|
struct ethtool_link_ksettings *cmd)
|
||
|
|
{
|
||
|
|
struct dpaa_priv *priv = netdev_priv(net_dev);
|
||
|
|
struct mac_device *mac_dev = priv->mac_dev;
|
||
|
|
|
||
|
|
return phylink_ethtool_ksettings_get(mac_dev->phylink, cmd);
|
||
|
|
}
|
||
|
|
|
||
|
|
static int dpaa_set_link_ksettings(struct net_device *net_dev,
|
||
|
|
const struct ethtool_link_ksettings *cmd)
|
||
|
|
{
|
||
|
|
struct dpaa_priv *priv = netdev_priv(net_dev);
|
||
|
|
struct mac_device *mac_dev = priv->mac_dev;
|
||
|
|
|
||
|
|
return phylink_ethtool_ksettings_set(mac_dev->phylink, cmd);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void dpaa_get_drvinfo(struct net_device *net_dev,
|
||
|
|
struct ethtool_drvinfo *drvinfo)
|
||
|
|
{
|
||
|
|
strscpy(drvinfo->driver, KBUILD_MODNAME,
|
||
|
|
sizeof(drvinfo->driver));
|
||
|
|
strscpy(drvinfo->bus_info, dev_name(net_dev->dev.parent->parent),
|
||
|
|
sizeof(drvinfo->bus_info));
|
||
|
|
}
|
||
|
|
|
||
|
|
static u32 dpaa_get_msglevel(struct net_device *net_dev)
|
||
|
|
{
|
||
|
|
return ((struct dpaa_priv *)netdev_priv(net_dev))->msg_enable;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void dpaa_set_msglevel(struct net_device *net_dev,
|
||
|
|
u32 msg_enable)
|
||
|
|
{
|
||
|
|
((struct dpaa_priv *)netdev_priv(net_dev))->msg_enable = msg_enable;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int dpaa_nway_reset(struct net_device *net_dev)
|
||
|
|
{
|
||
|
|
struct dpaa_priv *priv = netdev_priv(net_dev);
|
||
|
|
struct mac_device *mac_dev = priv->mac_dev;
|
||
|
|
|
||
|
|
return phylink_ethtool_nway_reset(mac_dev->phylink);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void dpaa_get_pauseparam(struct net_device *net_dev,
|
||
|
|
struct ethtool_pauseparam *epause)
|
||
|
|
{
|
||
|
|
struct dpaa_priv *priv = netdev_priv(net_dev);
|
||
|
|
struct mac_device *mac_dev = priv->mac_dev;
|
||
|
|
|
||
|
|
phylink_ethtool_get_pauseparam(mac_dev->phylink, epause);
|
||
|
|
}
|
||
|
|
|
||
|
|
static int dpaa_set_pauseparam(struct net_device *net_dev,
|
||
|
|
struct ethtool_pauseparam *epause)
|
||
|
|
{
|
||
|
|
struct dpaa_priv *priv = netdev_priv(net_dev);
|
||
|
|
struct mac_device *mac_dev = priv->mac_dev;
|
||
|
|
|
||
|
|
return phylink_ethtool_set_pauseparam(mac_dev->phylink, epause);
|
||
|
|
}
|
||
|
|
|
||
|
|
static int dpaa_get_sset_count(struct net_device *net_dev, int type)
|
||
|
|
{
|
||
|
|
unsigned int total_stats, num_stats;
|
||
|
|
|
||
|
|
num_stats = num_online_cpus() + 1;
|
||
|
|
total_stats = num_stats * (DPAA_STATS_PERCPU_LEN + 1) +
|
||
|
|
DPAA_STATS_GLOBAL_LEN;
|
||
|
|
|
||
|
|
switch (type) {
|
||
|
|
case ETH_SS_STATS:
|
||
|
|
return total_stats;
|
||
|
|
default:
|
||
|
|
return -EOPNOTSUPP;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static void copy_stats(struct dpaa_percpu_priv *percpu_priv, int num_cpus,
|
||
|
|
int crr_cpu, u64 bp_count, u64 *data)
|
||
|
|
{
|
||
|
|
int num_values = num_cpus + 1;
|
||
|
|
int crr = 0;
|
||
|
|
|
||
|
|
/* update current CPU's stats and also add them to the total values */
|
||
|
|
data[crr * num_values + crr_cpu] = percpu_priv->in_interrupt;
|
||
|
|
data[crr++ * num_values + num_cpus] += percpu_priv->in_interrupt;
|
||
|
|
|
||
|
|
data[crr * num_values + crr_cpu] = percpu_priv->stats.rx_packets;
|
||
|
|
data[crr++ * num_values + num_cpus] += percpu_priv->stats.rx_packets;
|
||
|
|
|
||
|
|
data[crr * num_values + crr_cpu] = percpu_priv->stats.tx_packets;
|
||
|
|
data[crr++ * num_values + num_cpus] += percpu_priv->stats.tx_packets;
|
||
|
|
|
||
|
|
data[crr * num_values + crr_cpu] = percpu_priv->tx_confirm;
|
||
|
|
data[crr++ * num_values + num_cpus] += percpu_priv->tx_confirm;
|
||
|
|
|
||
|
|
data[crr * num_values + crr_cpu] = percpu_priv->tx_frag_skbuffs;
|
||
|
|
data[crr++ * num_values + num_cpus] += percpu_priv->tx_frag_skbuffs;
|
||
|
|
|
||
|
|
data[crr * num_values + crr_cpu] = percpu_priv->stats.tx_errors;
|
||
|
|
data[crr++ * num_values + num_cpus] += percpu_priv->stats.tx_errors;
|
||
|
|
|
||
|
|
data[crr * num_values + crr_cpu] = percpu_priv->stats.rx_errors;
|
||
|
|
data[crr++ * num_values + num_cpus] += percpu_priv->stats.rx_errors;
|
||
|
|
|
||
|
|
data[crr * num_values + crr_cpu] = percpu_priv->stats.rx_dropped;
|
||
|
|
data[crr++ * num_values + num_cpus] += percpu_priv->stats.rx_dropped;
|
||
|
|
|
||
|
|
data[crr * num_values + crr_cpu] = percpu_priv->stats.tx_dropped;
|
||
|
|
data[crr++ * num_values + num_cpus] += percpu_priv->stats.tx_dropped;
|
||
|
|
|
||
|
|
data[crr * num_values + crr_cpu] = bp_count;
|
||
|
|
data[crr++ * num_values + num_cpus] += bp_count;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void dpaa_get_ethtool_stats(struct net_device *net_dev,
|
||
|
|
struct ethtool_stats *stats, u64 *data)
|
||
|
|
{
|
||
|
|
struct dpaa_percpu_priv *percpu_priv;
|
||
|
|
struct dpaa_rx_errors rx_errors;
|
||
|
|
unsigned int num_cpus, offset;
|
||
|
|
u64 bp_count, cg_time, cg_num;
|
||
|
|
struct dpaa_ern_cnt ern_cnt;
|
||
|
|
struct dpaa_bp *dpaa_bp;
|
||
|
|
struct dpaa_priv *priv;
|
||
|
|
int total_stats, i;
|
||
|
|
bool cg_status;
|
||
|
|
|
||
|
|
total_stats = dpaa_get_sset_count(net_dev, ETH_SS_STATS);
|
||
|
|
priv = netdev_priv(net_dev);
|
||
|
|
num_cpus = num_online_cpus();
|
||
|
|
|
||
|
|
memset(&bp_count, 0, sizeof(bp_count));
|
||
|
|
memset(&rx_errors, 0, sizeof(struct dpaa_rx_errors));
|
||
|
|
memset(&ern_cnt, 0, sizeof(struct dpaa_ern_cnt));
|
||
|
|
memset(data, 0, total_stats * sizeof(u64));
|
||
|
|
|
||
|
|
for_each_online_cpu(i) {
|
||
|
|
percpu_priv = per_cpu_ptr(priv->percpu_priv, i);
|
||
|
|
dpaa_bp = priv->dpaa_bp;
|
||
|
|
if (!dpaa_bp->percpu_count)
|
||
|
|
continue;
|
||
|
|
bp_count = *(per_cpu_ptr(dpaa_bp->percpu_count, i));
|
||
|
|
rx_errors.dme += percpu_priv->rx_errors.dme;
|
||
|
|
rx_errors.fpe += percpu_priv->rx_errors.fpe;
|
||
|
|
rx_errors.fse += percpu_priv->rx_errors.fse;
|
||
|
|
rx_errors.phe += percpu_priv->rx_errors.phe;
|
||
|
|
|
||
|
|
ern_cnt.cg_tdrop += percpu_priv->ern_cnt.cg_tdrop;
|
||
|
|
ern_cnt.wred += percpu_priv->ern_cnt.wred;
|
||
|
|
ern_cnt.err_cond += percpu_priv->ern_cnt.err_cond;
|
||
|
|
ern_cnt.early_window += percpu_priv->ern_cnt.early_window;
|
||
|
|
ern_cnt.late_window += percpu_priv->ern_cnt.late_window;
|
||
|
|
ern_cnt.fq_tdrop += percpu_priv->ern_cnt.fq_tdrop;
|
||
|
|
ern_cnt.fq_retired += percpu_priv->ern_cnt.fq_retired;
|
||
|
|
ern_cnt.orp_zero += percpu_priv->ern_cnt.orp_zero;
|
||
|
|
|
||
|
|
copy_stats(percpu_priv, num_cpus, i, bp_count, data);
|
||
|
|
}
|
||
|
|
|
||
|
|
offset = (num_cpus + 1) * (DPAA_STATS_PERCPU_LEN + 1);
|
||
|
|
memcpy(data + offset, &rx_errors, sizeof(struct dpaa_rx_errors));
|
||
|
|
|
||
|
|
offset += sizeof(struct dpaa_rx_errors) / sizeof(u64);
|
||
|
|
memcpy(data + offset, &ern_cnt, sizeof(struct dpaa_ern_cnt));
|
||
|
|
|
||
|
|
/* gather congestion related counters */
|
||
|
|
cg_num = 0;
|
||
|
|
cg_status = false;
|
||
|
|
cg_time = jiffies_to_msecs(priv->cgr_data.congested_jiffies);
|
||
|
|
if (qman_query_cgr_congested(&priv->cgr_data.cgr, &cg_status) == 0) {
|
||
|
|
cg_num = priv->cgr_data.cgr_congested_count;
|
||
|
|
|
||
|
|
/* reset congestion stats (like QMan API does */
|
||
|
|
priv->cgr_data.congested_jiffies = 0;
|
||
|
|
priv->cgr_data.cgr_congested_count = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
offset += sizeof(struct dpaa_ern_cnt) / sizeof(u64);
|
||
|
|
data[offset++] = cg_time;
|
||
|
|
data[offset++] = cg_num;
|
||
|
|
data[offset++] = cg_status;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void dpaa_get_strings(struct net_device *net_dev, u32 stringset,
|
||
|
|
u8 *data)
|
||
|
|
{
|
||
|
|
unsigned int i, j, num_cpus, size;
|
||
|
|
char string_cpu[ETH_GSTRING_LEN];
|
||
|
|
u8 *strings;
|
||
|
|
|
||
|
|
memset(string_cpu, 0, sizeof(string_cpu));
|
||
|
|
strings = data;
|
||
|
|
num_cpus = num_online_cpus();
|
||
|
|
size = DPAA_STATS_GLOBAL_LEN * ETH_GSTRING_LEN;
|
||
|
|
|
||
|
|
for (i = 0; i < DPAA_STATS_PERCPU_LEN; i++) {
|
||
|
|
for (j = 0; j < num_cpus; j++) {
|
||
|
|
snprintf(string_cpu, ETH_GSTRING_LEN, "%s [CPU %d]",
|
||
|
|
dpaa_stats_percpu[i], j);
|
||
|
|
memcpy(strings, string_cpu, ETH_GSTRING_LEN);
|
||
|
|
strings += ETH_GSTRING_LEN;
|
||
|
|
}
|
||
|
|
snprintf(string_cpu, ETH_GSTRING_LEN, "%s [TOTAL]",
|
||
|
|
dpaa_stats_percpu[i]);
|
||
|
|
memcpy(strings, string_cpu, ETH_GSTRING_LEN);
|
||
|
|
strings += ETH_GSTRING_LEN;
|
||
|
|
}
|
||
|
|
for (j = 0; j < num_cpus; j++) {
|
||
|
|
snprintf(string_cpu, ETH_GSTRING_LEN,
|
||
|
|
"bpool [CPU %d]", j);
|
||
|
|
memcpy(strings, string_cpu, ETH_GSTRING_LEN);
|
||
|
|
strings += ETH_GSTRING_LEN;
|
||
|
|
}
|
||
|
|
snprintf(string_cpu, ETH_GSTRING_LEN, "bpool [TOTAL]");
|
||
|
|
memcpy(strings, string_cpu, ETH_GSTRING_LEN);
|
||
|
|
strings += ETH_GSTRING_LEN;
|
||
|
|
|
||
|
|
memcpy(strings, dpaa_stats_global, size);
|
||
|
|
}
|
||
|
|
|
||
|
|
static int dpaa_get_hash_opts(struct net_device *dev,
|
||
|
|
struct ethtool_rxnfc *cmd)
|
||
|
|
{
|
||
|
|
struct dpaa_priv *priv = netdev_priv(dev);
|
||
|
|
|
||
|
|
cmd->data = 0;
|
||
|
|
|
||
|
|
switch (cmd->flow_type) {
|
||
|
|
case TCP_V4_FLOW:
|
||
|
|
case TCP_V6_FLOW:
|
||
|
|
case UDP_V4_FLOW:
|
||
|
|
case UDP_V6_FLOW:
|
||
|
|
if (priv->keygen_in_use)
|
||
|
|
cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
|
||
|
|
fallthrough;
|
||
|
|
case IPV4_FLOW:
|
||
|
|
case IPV6_FLOW:
|
||
|
|
case SCTP_V4_FLOW:
|
||
|
|
case SCTP_V6_FLOW:
|
||
|
|
case AH_ESP_V4_FLOW:
|
||
|
|
case AH_ESP_V6_FLOW:
|
||
|
|
case AH_V4_FLOW:
|
||
|
|
case AH_V6_FLOW:
|
||
|
|
case ESP_V4_FLOW:
|
||
|
|
case ESP_V6_FLOW:
|
||
|
|
if (priv->keygen_in_use)
|
||
|
|
cmd->data |= RXH_IP_SRC | RXH_IP_DST;
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
cmd->data = 0;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int dpaa_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
|
||
|
|
u32 *unused)
|
||
|
|
{
|
||
|
|
int ret = -EOPNOTSUPP;
|
||
|
|
|
||
|
|
switch (cmd->cmd) {
|
||
|
|
case ETHTOOL_GRXFH:
|
||
|
|
ret = dpaa_get_hash_opts(dev, cmd);
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void dpaa_set_hash(struct net_device *net_dev, bool enable)
|
||
|
|
{
|
||
|
|
struct mac_device *mac_dev;
|
||
|
|
struct fman_port *rxport;
|
||
|
|
struct dpaa_priv *priv;
|
||
|
|
|
||
|
|
priv = netdev_priv(net_dev);
|
||
|
|
mac_dev = priv->mac_dev;
|
||
|
|
rxport = mac_dev->port[0];
|
||
|
|
|
||
|
|
fman_port_use_kg_hash(rxport, enable);
|
||
|
|
priv->keygen_in_use = enable;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int dpaa_set_hash_opts(struct net_device *dev,
|
||
|
|
struct ethtool_rxnfc *nfc)
|
||
|
|
{
|
||
|
|
int ret = -EINVAL;
|
||
|
|
|
||
|
|
/* we support hashing on IPv4/v6 src/dest IP and L4 src/dest port */
|
||
|
|
if (nfc->data &
|
||
|
|
~(RXH_IP_SRC | RXH_IP_DST | RXH_L4_B_0_1 | RXH_L4_B_2_3))
|
||
|
|
return -EINVAL;
|
||
|
|
|
||
|
|
switch (nfc->flow_type) {
|
||
|
|
case TCP_V4_FLOW:
|
||
|
|
case TCP_V6_FLOW:
|
||
|
|
case UDP_V4_FLOW:
|
||
|
|
case UDP_V6_FLOW:
|
||
|
|
case IPV4_FLOW:
|
||
|
|
case IPV6_FLOW:
|
||
|
|
case SCTP_V4_FLOW:
|
||
|
|
case SCTP_V6_FLOW:
|
||
|
|
case AH_ESP_V4_FLOW:
|
||
|
|
case AH_ESP_V6_FLOW:
|
||
|
|
case AH_V4_FLOW:
|
||
|
|
case AH_V6_FLOW:
|
||
|
|
case ESP_V4_FLOW:
|
||
|
|
case ESP_V6_FLOW:
|
||
|
|
dpaa_set_hash(dev, !!nfc->data);
|
||
|
|
ret = 0;
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int dpaa_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
|
||
|
|
{
|
||
|
|
int ret = -EOPNOTSUPP;
|
||
|
|
|
||
|
|
switch (cmd->cmd) {
|
||
|
|
case ETHTOOL_SRXFH:
|
||
|
|
ret = dpaa_set_hash_opts(dev, cmd);
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int dpaa_get_ts_info(struct net_device *net_dev,
|
||
|
|
struct ethtool_ts_info *info)
|
||
|
|
{
|
||
|
|
struct device *dev = net_dev->dev.parent;
|
||
|
|
struct device_node *mac_node = dev->of_node;
|
||
|
|
struct device_node *fman_node = NULL, *ptp_node = NULL;
|
||
|
|
struct platform_device *ptp_dev = NULL;
|
||
|
|
struct ptp_qoriq *ptp = NULL;
|
||
|
|
|
||
|
|
info->phc_index = -1;
|
||
|
|
|
||
|
|
fman_node = of_get_parent(mac_node);
|
||
|
|
if (fman_node) {
|
||
|
|
ptp_node = of_parse_phandle(fman_node, "ptimer-handle", 0);
|
||
|
|
of_node_put(fman_node);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (ptp_node) {
|
||
|
|
ptp_dev = of_find_device_by_node(ptp_node);
|
||
|
|
of_node_put(ptp_node);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (ptp_dev)
|
||
|
|
ptp = platform_get_drvdata(ptp_dev);
|
||
|
|
|
||
|
|
if (ptp)
|
||
|
|
info->phc_index = ptp->phc_index;
|
||
|
|
|
||
|
|
info->so_timestamping = SOF_TIMESTAMPING_TX_HARDWARE |
|
||
|
|
SOF_TIMESTAMPING_RX_HARDWARE |
|
||
|
|
SOF_TIMESTAMPING_RAW_HARDWARE;
|
||
|
|
info->tx_types = (1 << HWTSTAMP_TX_OFF) |
|
||
|
|
(1 << HWTSTAMP_TX_ON);
|
||
|
|
info->rx_filters = (1 << HWTSTAMP_FILTER_NONE) |
|
||
|
|
(1 << HWTSTAMP_FILTER_ALL);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int dpaa_get_coalesce(struct net_device *dev,
|
||
|
|
struct ethtool_coalesce *c,
|
||
|
|
struct kernel_ethtool_coalesce *kernel_coal,
|
||
|
|
struct netlink_ext_ack *extack)
|
||
|
|
{
|
||
|
|
struct qman_portal *portal;
|
||
|
|
u32 period;
|
||
|
|
u8 thresh;
|
||
|
|
|
||
|
|
portal = qman_get_affine_portal(smp_processor_id());
|
||
|
|
qman_portal_get_iperiod(portal, &period);
|
||
|
|
qman_dqrr_get_ithresh(portal, &thresh);
|
||
|
|
|
||
|
|
c->rx_coalesce_usecs = period;
|
||
|
|
c->rx_max_coalesced_frames = thresh;
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int dpaa_set_coalesce(struct net_device *dev,
|
||
|
|
struct ethtool_coalesce *c,
|
||
|
|
struct kernel_ethtool_coalesce *kernel_coal,
|
||
|
|
struct netlink_ext_ack *extack)
|
||
|
|
{
|
||
|
|
const cpumask_t *cpus = qman_affine_cpus();
|
||
|
|
bool needs_revert[NR_CPUS] = {false};
|
||
|
|
struct qman_portal *portal;
|
||
|
|
u32 period, prev_period;
|
||
|
|
u8 thresh, prev_thresh;
|
||
|
|
int cpu, res;
|
||
|
|
|
||
|
|
period = c->rx_coalesce_usecs;
|
||
|
|
thresh = c->rx_max_coalesced_frames;
|
||
|
|
|
||
|
|
/* save previous values */
|
||
|
|
portal = qman_get_affine_portal(smp_processor_id());
|
||
|
|
qman_portal_get_iperiod(portal, &prev_period);
|
||
|
|
qman_dqrr_get_ithresh(portal, &prev_thresh);
|
||
|
|
|
||
|
|
/* set new values */
|
||
|
|
for_each_cpu_and(cpu, cpus, cpu_online_mask) {
|
||
|
|
portal = qman_get_affine_portal(cpu);
|
||
|
|
res = qman_portal_set_iperiod(portal, period);
|
||
|
|
if (res)
|
||
|
|
goto revert_values;
|
||
|
|
res = qman_dqrr_set_ithresh(portal, thresh);
|
||
|
|
if (res) {
|
||
|
|
qman_portal_set_iperiod(portal, prev_period);
|
||
|
|
goto revert_values;
|
||
|
|
}
|
||
|
|
needs_revert[cpu] = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
revert_values:
|
||
|
|
/* restore previous values */
|
||
|
|
for_each_cpu_and(cpu, cpus, cpu_online_mask) {
|
||
|
|
if (!needs_revert[cpu])
|
||
|
|
continue;
|
||
|
|
portal = qman_get_affine_portal(cpu);
|
||
|
|
/* previous values will not fail, ignore return value */
|
||
|
|
qman_portal_set_iperiod(portal, prev_period);
|
||
|
|
qman_dqrr_set_ithresh(portal, prev_thresh);
|
||
|
|
}
|
||
|
|
|
||
|
|
return res;
|
||
|
|
}
|
||
|
|
|
||
|
|
const struct ethtool_ops dpaa_ethtool_ops = {
|
||
|
|
.supported_coalesce_params = ETHTOOL_COALESCE_RX_USECS |
|
||
|
|
ETHTOOL_COALESCE_RX_MAX_FRAMES,
|
||
|
|
.get_drvinfo = dpaa_get_drvinfo,
|
||
|
|
.get_msglevel = dpaa_get_msglevel,
|
||
|
|
.set_msglevel = dpaa_set_msglevel,
|
||
|
|
.nway_reset = dpaa_nway_reset,
|
||
|
|
.get_pauseparam = dpaa_get_pauseparam,
|
||
|
|
.set_pauseparam = dpaa_set_pauseparam,
|
||
|
|
.get_link = ethtool_op_get_link,
|
||
|
|
.get_sset_count = dpaa_get_sset_count,
|
||
|
|
.get_ethtool_stats = dpaa_get_ethtool_stats,
|
||
|
|
.get_strings = dpaa_get_strings,
|
||
|
|
.get_link_ksettings = dpaa_get_link_ksettings,
|
||
|
|
.set_link_ksettings = dpaa_set_link_ksettings,
|
||
|
|
.get_rxnfc = dpaa_get_rxnfc,
|
||
|
|
.set_rxnfc = dpaa_set_rxnfc,
|
||
|
|
.get_ts_info = dpaa_get_ts_info,
|
||
|
|
.get_coalesce = dpaa_get_coalesce,
|
||
|
|
.set_coalesce = dpaa_set_coalesce,
|
||
|
|
};
|