From 01573e231f18eb2d99162747186f59511f56b64d Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 08 Dec 2023 10:40:48 +0000
Subject: [PATCH] 移去rt
---
kernel/drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c | 188 +++++++++++++++++++++++++++-------------------
1 files changed, 110 insertions(+), 78 deletions(-)
diff --git a/kernel/drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c b/kernel/drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c
index 3184c8f..2f90754 100644
--- a/kernel/drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c
+++ b/kernel/drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c
@@ -47,6 +47,8 @@
"tx S/G",
"tx error",
"rx error",
+ "rx dropped",
+ "tx dropped",
};
static char dpaa_stats_global[][ETH_GSTRING_LEN] = {
@@ -78,10 +80,8 @@
static int dpaa_get_link_ksettings(struct net_device *net_dev,
struct ethtool_link_ksettings *cmd)
{
- if (!net_dev->phydev) {
- netdev_dbg(net_dev, "phy device not initialized\n");
+ if (!net_dev->phydev)
return 0;
- }
phy_ethtool_ksettings_get(net_dev->phydev, cmd);
@@ -93,10 +93,8 @@
{
int err;
- if (!net_dev->phydev) {
- netdev_err(net_dev, "phy device not initialized\n");
+ if (!net_dev->phydev)
return -ENODEV;
- }
err = phy_ethtool_ksettings_set(net_dev->phydev, cmd);
if (err < 0)
@@ -108,19 +106,8 @@
static void dpaa_get_drvinfo(struct net_device *net_dev,
struct ethtool_drvinfo *drvinfo)
{
- int len;
-
strlcpy(drvinfo->driver, KBUILD_MODNAME,
sizeof(drvinfo->driver));
- len = snprintf(drvinfo->version, sizeof(drvinfo->version),
- "%X", 0);
- len = snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
- "%X", 0);
-
- if (len >= sizeof(drvinfo->fw_version)) {
- /* Truncated output */
- netdev_notice(net_dev, "snprintf() = %d\n", len);
- }
strlcpy(drvinfo->bus_info, dev_name(net_dev->dev.parent->parent),
sizeof(drvinfo->bus_info));
}
@@ -140,10 +127,8 @@
{
int err;
- if (!net_dev->phydev) {
- netdev_err(net_dev, "phy device not initialized\n");
+ if (!net_dev->phydev)
return -ENODEV;
- }
err = 0;
if (net_dev->phydev->autoneg) {
@@ -165,10 +150,8 @@
priv = netdev_priv(net_dev);
mac_dev = priv->mac_dev;
- if (!net_dev->phydev) {
- netdev_err(net_dev, "phy device not initialized\n");
+ if (!net_dev->phydev)
return;
- }
epause->autoneg = mac_dev->autoneg_pause;
epause->rx_pause = mac_dev->rx_pause_active;
@@ -182,7 +165,6 @@
struct phy_device *phydev;
bool rx_pause, tx_pause;
struct dpaa_priv *priv;
- u32 newadv, oldadv;
int err;
priv = netdev_priv(net_dev);
@@ -194,9 +176,7 @@
return -ENODEV;
}
- if (!(phydev->supported & SUPPORTED_Pause) ||
- (!(phydev->supported & SUPPORTED_Asym_Pause) &&
- (epause->rx_pause != epause->tx_pause)))
+ if (!phy_validate_pause(phydev, epause))
return -EINVAL;
/* The MAC should know how to handle PAUSE frame autonegotiation before
@@ -210,29 +190,8 @@
/* Determine the sym/asym advertised PAUSE capabilities from the desired
* rx/tx pause settings.
*/
- newadv = 0;
- if (epause->rx_pause)
- newadv = ADVERTISED_Pause | ADVERTISED_Asym_Pause;
- if (epause->tx_pause)
- newadv ^= ADVERTISED_Asym_Pause;
- oldadv = phydev->advertising &
- (ADVERTISED_Pause | ADVERTISED_Asym_Pause);
-
- /* If there are differences between the old and the new advertised
- * values, restart PHY autonegotiation and advertise the new values.
- */
- if (oldadv != newadv) {
- phydev->advertising &= ~(ADVERTISED_Pause
- | ADVERTISED_Asym_Pause);
- phydev->advertising |= newadv;
- if (phydev->autoneg) {
- err = phy_start_aneg(phydev);
- if (err < 0)
- netdev_err(net_dev, "phy_start_aneg() = %d\n",
- err);
- }
- }
+ phy_set_asym_pause(phydev, epause->rx_pause, epause->tx_pause);
fman_get_pause_cfg(mac_dev, &rx_pause, &tx_pause);
err = fman_set_mac_active_pause(mac_dev, rx_pause, tx_pause);
@@ -247,7 +206,7 @@
unsigned int total_stats, num_stats;
num_stats = num_online_cpus() + 1;
- total_stats = num_stats * (DPAA_STATS_PERCPU_LEN + DPAA_BPS_NUM) +
+ total_stats = num_stats * (DPAA_STATS_PERCPU_LEN + 1) +
DPAA_STATS_GLOBAL_LEN;
switch (type) {
@@ -259,10 +218,10 @@
}
static void copy_stats(struct dpaa_percpu_priv *percpu_priv, int num_cpus,
- int crr_cpu, u64 *bp_count, u64 *data)
+ int crr_cpu, u64 bp_count, u64 *data)
{
int num_values = num_cpus + 1;
- int crr = 0, j;
+ 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;
@@ -286,23 +245,27 @@
data[crr * num_values + crr_cpu] = percpu_priv->stats.rx_errors;
data[crr++ * num_values + num_cpus] += percpu_priv->stats.rx_errors;
- for (j = 0; j < DPAA_BPS_NUM; j++) {
- data[crr * num_values + crr_cpu] = bp_count[j];
- data[crr++ * num_values + num_cpus] += bp_count[j];
- }
+ 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)
{
- u64 bp_count[DPAA_BPS_NUM], cg_time, cg_num;
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, j;
+ int total_stats, i;
bool cg_status;
total_stats = dpaa_get_sset_count(net_dev, ETH_SS_STATS);
@@ -316,12 +279,10 @@
for_each_online_cpu(i) {
percpu_priv = per_cpu_ptr(priv->percpu_priv, i);
- for (j = 0; j < DPAA_BPS_NUM; j++) {
- dpaa_bp = priv->dpaa_bps[j];
- if (!dpaa_bp->percpu_count)
- continue;
- bp_count[j] = *(per_cpu_ptr(dpaa_bp->percpu_count, 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;
@@ -339,7 +300,7 @@
copy_stats(percpu_priv, num_cpus, i, bp_count, data);
}
- offset = (num_cpus + 1) * (DPAA_STATS_PERCPU_LEN + DPAA_BPS_NUM);
+ 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);
@@ -387,18 +348,16 @@
memcpy(strings, string_cpu, ETH_GSTRING_LEN);
strings += ETH_GSTRING_LEN;
}
- for (i = 0; i < DPAA_BPS_NUM; i++) {
- for (j = 0; j < num_cpus; j++) {
- snprintf(string_cpu, ETH_GSTRING_LEN,
- "bpool %c [CPU %d]", 'a' + i, j);
- memcpy(strings, string_cpu, ETH_GSTRING_LEN);
- strings += ETH_GSTRING_LEN;
- }
- snprintf(string_cpu, ETH_GSTRING_LEN, "bpool %c [TOTAL]",
- 'a' + i);
+ 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);
}
@@ -416,7 +375,7 @@
case UDP_V6_FLOW:
if (priv->keygen_in_use)
cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
- /* Fall through */
+ fallthrough;
case IPV4_FLOW:
case IPV6_FLOW:
case SCTP_V4_FLOW:
@@ -525,16 +484,20 @@
struct device_node *mac_node = dev->of_node;
struct device_node *fman_node = NULL, *ptp_node = NULL;
struct platform_device *ptp_dev = NULL;
- struct qoriq_ptp *ptp = NULL;
+ struct ptp_qoriq *ptp = NULL;
info->phc_index = -1;
fman_node = of_get_parent(mac_node);
- if (fman_node)
+ if (fman_node) {
ptp_node = of_parse_phandle(fman_node, "ptimer-handle", 0);
+ of_node_put(fman_node);
+ }
- if (ptp_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);
@@ -553,7 +516,74 @@
return 0;
}
+static int dpaa_get_coalesce(struct net_device *dev,
+ struct ethtool_coalesce *c)
+{
+ 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)
+{
+ 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,
@@ -569,4 +599,6 @@
.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,
};
--
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