[PATCH v4 net-next 07/10] net: dsa: microchip: add support for ethtool port counters
From: Prasanna Vengateshan <hidden>
Date: 2021-10-07 15:13:19
Also in:
lkml, netdev
Subsystem:
microchip ksz series ethernet switch driver, networking drivers, networking [dsa], the rest · Maintainers:
Woojung Huh, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Vladimir Oltean, Linus Torvalds
Reused the KSZ common APIs for get_ethtool_stats() & get_sset_count() along with relevant lan937x hooks for KSZ common layer and added support for get_strings() Signed-off-by: Prasanna Vengateshan <redacted> --- drivers/net/dsa/microchip/lan937x_main.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+)
diff --git a/drivers/net/dsa/microchip/lan937x_main.c b/drivers/net/dsa/microchip/lan937x_main.c
index df29d1ed98b5..f2f42b3bdb31 100644
--- a/drivers/net/dsa/microchip/lan937x_main.c
+++ b/drivers/net/dsa/microchip/lan937x_main.c@@ -45,6 +45,21 @@ static int lan937x_phy_write16(struct dsa_switch *ds, int addr, int reg, return lan937x_internal_phy_write(dev, addr, reg, val); } +static void lan937x_get_strings(struct dsa_switch *ds, int port, u32 stringset, + uint8_t *buf) +{ + struct ksz_device *dev = ds->priv; + int i; + + if (stringset != ETH_SS_STATS) + return; + + for (i = 0; i < dev->mib_cnt; i++) { + memcpy(buf + i * ETH_GSTRING_LEN, lan937x_mib_names[i].string, + ETH_GSTRING_LEN); + } +} + static void lan937x_port_stp_state_set(struct dsa_switch *ds, int port, u8 state) {
@@ -472,6 +487,9 @@ const struct dsa_switch_ops lan937x_switch_ops = { .phy_read = lan937x_phy_read16, .phy_write = lan937x_phy_write16, .port_enable = ksz_enable_port, + .get_strings = lan937x_get_strings, + .get_ethtool_stats = ksz_get_ethtool_stats, + .get_sset_count = ksz_sset_count, .port_bridge_join = ksz_port_bridge_join, .port_bridge_leave = ksz_port_bridge_leave, .port_stp_state_set = lan937x_port_stp_state_set,
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2.27.0