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[RFC,net-next,19/28] net: ethernet: ti: cpsw-proxy-client: implement and register ndo_get_stats64

Message ID 20240518124234.2671651-20-s-vadapalli@ti.com (mailing list archive)
State RFC
Delegated to: Netdev Maintainers
Headers show
Series Add CPSW Proxy Client driver | expand

Checks

Context Check Description
netdev/series_format fail Series longer than 15 patches
netdev/tree_selection success Clearly marked for net-next
netdev/ynl success Generated files up to date; no warnings/errors; no diff in generated;
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit fail Errors and warnings before: 24 this patch: 24
netdev/build_tools success No tools touched, skip
netdev/cc_maintainers warning 1 maintainers not CCed: linux-omap@vger.kernel.org
netdev/build_clang success Errors and warnings before: 8 this patch: 8
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn fail Errors and warnings before: 23 this patch: 23
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 45 lines checked
netdev/build_clang_rust success No Rust files in patch. Skipping build
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Siddharth Vadapalli May 18, 2024, 12:42 p.m. UTC
Add the function "vport_ndo_get_stats()" and register it as the driver's
.ndo_get_stats64 callback.

Signed-off-by: Siddharth Vadapalli <s-vadapalli@ti.com>
---
 drivers/net/ethernet/ti/cpsw-proxy-client.c | 35 +++++++++++++++++++++
 1 file changed, 35 insertions(+)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/ti/cpsw-proxy-client.c b/drivers/net/ethernet/ti/cpsw-proxy-client.c
index 7cbe1d4b5112..6886557aa2a1 100644
--- a/drivers/net/ethernet/ti/cpsw-proxy-client.c
+++ b/drivers/net/ethernet/ti/cpsw-proxy-client.c
@@ -1562,10 +1562,45 @@  static netdev_tx_t vport_ndo_xmit(struct sk_buff *skb, struct net_device *ndev)
 	return NETDEV_TX_BUSY;
 }
 
+static void vport_ndo_get_stats(struct net_device *ndev,
+				struct rtnl_link_stats64 *stats)
+{
+	struct vport_netdev_priv *ndev_priv = netdev_priv(ndev);
+	unsigned int start;
+	int cpu;
+
+	for_each_possible_cpu(cpu) {
+		struct vport_netdev_stats *cpu_stats;
+		u64 rx_packets;
+		u64 rx_bytes;
+		u64 tx_packets;
+		u64 tx_bytes;
+
+		cpu_stats = per_cpu_ptr(ndev_priv->stats, cpu);
+		do {
+			start = u64_stats_fetch_begin(&cpu_stats->syncp);
+			rx_packets = cpu_stats->rx_packets;
+			rx_bytes   = cpu_stats->rx_bytes;
+			tx_packets = cpu_stats->tx_packets;
+			tx_bytes   = cpu_stats->tx_bytes;
+		} while (u64_stats_fetch_retry(&cpu_stats->syncp, start));
+
+		stats->rx_packets += rx_packets;
+		stats->rx_bytes   += rx_bytes;
+		stats->tx_packets += tx_packets;
+		stats->tx_bytes   += tx_bytes;
+	}
+
+	stats->rx_errors	= ndev->stats.rx_errors;
+	stats->rx_dropped	= ndev->stats.rx_dropped;
+	stats->tx_dropped	= ndev->stats.tx_dropped;
+}
+
 static const struct net_device_ops cpsw_proxy_client_netdev_ops = {
 	.ndo_open		= vport_ndo_open,
 	.ndo_stop		= vport_ndo_stop,
 	.ndo_start_xmit		= vport_ndo_xmit,
+	.ndo_get_stats64	= vport_ndo_get_stats,
 };
 
 static int init_netdev(struct cpsw_proxy_priv *proxy_priv, struct virtual_port *vport)