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Diffstat (limited to 'net/dsa/conduit.c')
-rw-r--r--net/dsa/conduit.c145
1 files changed, 102 insertions, 43 deletions
diff --git a/net/dsa/conduit.c b/net/dsa/conduit.c
index 4ae255cfb23f..a1b044467bd6 100644
--- a/net/dsa/conduit.c
+++ b/net/dsa/conduit.c
@@ -26,7 +26,7 @@ static int dsa_conduit_get_regs_len(struct net_device *dev)
int ret = 0;
int len;
- if (ops->get_regs_len) {
+ if (ops && ops->get_regs_len) {
netdev_lock_ops(dev);
len = ops->get_regs_len(dev);
netdev_unlock_ops(dev);
@@ -59,7 +59,7 @@ static void dsa_conduit_get_regs(struct net_device *dev,
int port = cpu_dp->index;
int len;
- if (ops->get_regs_len && ops->get_regs) {
+ if (ops && ops->get_regs_len && ops->get_regs) {
netdev_lock_ops(dev);
len = ops->get_regs_len(dev);
if (len < 0) {
@@ -87,30 +87,56 @@ static void dsa_conduit_get_regs(struct net_device *dev,
}
}
+static ssize_t dsa_conduit_append_port_stats(struct dsa_switch *ds, int port,
+ u64 *data, size_t start)
+{
+ int count;
+
+ if (!ds->ops->get_sset_count)
+ return 0;
+
+ count = ds->ops->get_sset_count(ds, port, ETH_SS_STATS);
+ if (count < 0)
+ return count;
+
+ if (ds->ops->get_ethtool_stats)
+ ds->ops->get_ethtool_stats(ds, port, data + start);
+
+ return count;
+}
+
static void dsa_conduit_get_ethtool_stats(struct net_device *dev,
struct ethtool_stats *stats,
- uint64_t *data)
+ u64 *data)
{
- struct dsa_port *cpu_dp = dev->dsa_ptr;
+ struct dsa_port *dp, *cpu_dp = dev->dsa_ptr;
const struct ethtool_ops *ops = cpu_dp->orig_ethtool_ops;
- struct dsa_switch *ds = cpu_dp->ds;
- int port = cpu_dp->index;
- int count = 0;
+ struct dsa_switch_tree *dst = cpu_dp->dst;
+ int count, mcount = 0;
- if (ops->get_sset_count && ops->get_ethtool_stats) {
+ if (ops && ops->get_sset_count && ops->get_ethtool_stats) {
netdev_lock_ops(dev);
- count = ops->get_sset_count(dev, ETH_SS_STATS);
+ mcount = ops->get_sset_count(dev, ETH_SS_STATS);
ops->get_ethtool_stats(dev, stats, data);
netdev_unlock_ops(dev);
}
- if (ds->ops->get_ethtool_stats)
- ds->ops->get_ethtool_stats(ds, port, data + count);
+ list_for_each_entry(dp, &dst->ports, list) {
+ if (!dsa_port_is_dsa(dp) && !dsa_port_is_cpu(dp))
+ continue;
+
+ count = dsa_conduit_append_port_stats(dp->ds, dp->index,
+ data, mcount);
+ if (count < 0)
+ return;
+
+ mcount += count;
+ }
}
static void dsa_conduit_get_ethtool_phy_stats(struct net_device *dev,
struct ethtool_stats *stats,
- uint64_t *data)
+ u64 *data)
{
struct dsa_port *cpu_dp = dev->dsa_ptr;
const struct ethtool_ops *ops = cpu_dp->orig_ethtool_ops;
@@ -118,11 +144,11 @@ static void dsa_conduit_get_ethtool_phy_stats(struct net_device *dev,
int port = cpu_dp->index;
int count = 0;
- if (dev->phydev && !ops->get_ethtool_phy_stats) {
+ if (dev->phydev && (!ops || !ops->get_ethtool_phy_stats)) {
count = phy_ethtool_get_sset_count(dev->phydev);
if (count >= 0)
phy_ethtool_get_stats(dev->phydev, stats, data);
- } else if (ops->get_sset_count && ops->get_ethtool_phy_stats) {
+ } else if (ops && ops->get_sset_count && ops->get_ethtool_phy_stats) {
netdev_lock_ops(dev);
count = ops->get_sset_count(dev, ETH_SS_PHY_STATS);
ops->get_ethtool_phy_stats(dev, stats, data);
@@ -136,45 +162,82 @@ static void dsa_conduit_get_ethtool_phy_stats(struct net_device *dev,
ds->ops->get_ethtool_phy_stats(ds, port, data + count);
}
+static void dsa_conduit_append_port_sset_count(struct dsa_switch *ds, int port,
+ int sset, int *count)
+{
+ if (ds->ops->get_sset_count)
+ *count += ds->ops->get_sset_count(ds, port, sset);
+}
+
static int dsa_conduit_get_sset_count(struct net_device *dev, int sset)
{
- struct dsa_port *cpu_dp = dev->dsa_ptr;
+ struct dsa_port *dp, *cpu_dp = dev->dsa_ptr;
const struct ethtool_ops *ops = cpu_dp->orig_ethtool_ops;
- struct dsa_switch *ds = cpu_dp->ds;
+ struct dsa_switch_tree *dst = cpu_dp->dst;
int count = 0;
netdev_lock_ops(dev);
if (sset == ETH_SS_PHY_STATS && dev->phydev &&
- !ops->get_ethtool_phy_stats)
+ (!ops || !ops->get_ethtool_phy_stats))
count = phy_ethtool_get_sset_count(dev->phydev);
- else if (ops->get_sset_count)
+ else if (ops && ops->get_sset_count)
count = ops->get_sset_count(dev, sset);
netdev_unlock_ops(dev);
if (count < 0)
count = 0;
- if (ds->ops->get_sset_count)
- count += ds->ops->get_sset_count(ds, cpu_dp->index, sset);
+ list_for_each_entry(dp, &dst->ports, list) {
+ if (!dsa_port_is_dsa(dp) && !dsa_port_is_cpu(dp))
+ continue;
+
+ dsa_conduit_append_port_sset_count(dp->ds, dp->index, sset,
+ &count);
+ }
return count;
}
-static void dsa_conduit_get_strings(struct net_device *dev, uint32_t stringset,
- uint8_t *data)
+static ssize_t dsa_conduit_append_port_strings(struct dsa_switch *ds, int port,
+ u32 stringset, u8 *data,
+ size_t start)
{
- struct dsa_port *cpu_dp = dev->dsa_ptr;
- const struct ethtool_ops *ops = cpu_dp->orig_ethtool_ops;
- struct dsa_switch *ds = cpu_dp->ds;
- int port = cpu_dp->index;
int len = ETH_GSTRING_LEN;
- int mcount = 0, count, i;
- uint8_t pfx[4];
- uint8_t *ndata;
+ u8 pfx[8], *ndata;
+ int count, i;
+
+ if (!ds->ops->get_strings)
+ return 0;
- snprintf(pfx, sizeof(pfx), "p%.2d", port);
+ snprintf(pfx, sizeof(pfx), "s%.2d_p%.2d", ds->index, port);
/* We do not want to be NULL-terminated, since this is a prefix */
pfx[sizeof(pfx) - 1] = '_';
+ ndata = data + start * len;
+ /* This function copies ETH_GSTRINGS_LEN bytes, we will mangle
+ * the output after to prepend our CPU port prefix we
+ * constructed earlier
+ */
+ ds->ops->get_strings(ds, port, stringset, ndata);
+ count = ds->ops->get_sset_count(ds, port, stringset);
+ if (count < 0)
+ return count;
+
+ for (i = 0; i < count; i++) {
+ memmove(ndata + (i * len + sizeof(pfx)),
+ ndata + i * len, len - sizeof(pfx));
+ memcpy(ndata + i * len, pfx, sizeof(pfx));
+ }
+
+ return count;
+}
+
+static void dsa_conduit_get_strings(struct net_device *dev, u32 stringset,
+ u8 *data)
+{
+ struct dsa_port *dp, *cpu_dp = dev->dsa_ptr;
+ const struct ethtool_ops *ops = cpu_dp->orig_ethtool_ops;
+ struct dsa_switch_tree *dst = cpu_dp->dst;
+ int count, mcount = 0;
netdev_lock_ops(dev);
if (stringset == ETH_SS_PHY_STATS && dev->phydev &&
@@ -192,21 +255,17 @@ static void dsa_conduit_get_strings(struct net_device *dev, uint32_t stringset,
}
netdev_unlock_ops(dev);
- if (ds->ops->get_strings) {
- ndata = data + mcount * len;
- /* This function copies ETH_GSTRINGS_LEN bytes, we will mangle
- * the output after to prepend our CPU port prefix we
- * constructed earlier
- */
- ds->ops->get_strings(ds, port, stringset, ndata);
- count = ds->ops->get_sset_count(ds, port, stringset);
+ list_for_each_entry(dp, &dst->ports, list) {
+ if (!dsa_port_is_dsa(dp) && !dsa_port_is_cpu(dp))
+ continue;
+
+ count = dsa_conduit_append_port_strings(dp->ds, dp->index,
+ stringset, data,
+ mcount);
if (count < 0)
return;
- for (i = 0; i < count; i++) {
- memmove(ndata + (i * len + sizeof(pfx)),
- ndata + i * len, len - sizeof(pfx));
- memcpy(ndata + i * len, pfx, sizeof(pfx));
- }
+
+ mcount += count;
}
}
generated by cgit (git 2.34.1) at 2025-12-04 09:34:16 +0000