From: Vadim Fedorenko <vadfed@meta.com>
Date: Tue, 8 Oct 2024 18:14:32 +0000 (-0700)
Subject: eth: fbnic: add software TX timestamping support
X-Git-Tag: v6.13-rc1~135^2~361^2~4
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=be65bfc957eb70aecdf3e351ec9fc3f067598f9e;p=thirdparty%2Flinux.git

eth: fbnic: add software TX timestamping support

Add software TX timestamping support. RX software timestamping is
implemented in the core and there is no need to provide special flag
in the driver anymore.

Signed-off-by: Vadim Fedorenko <vadfed@meta.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---

diff --git a/drivers/net/ethernet/meta/fbnic/fbnic_ethtool.c b/drivers/net/ethernet/meta/fbnic/fbnic_ethtool.c
index 5d980e1789414..ffc773014e0fd 100644
--- a/drivers/net/ethernet/meta/fbnic/fbnic_ethtool.c
+++ b/drivers/net/ethernet/meta/fbnic/fbnic_ethtool.c
@@ -6,6 +6,16 @@
 #include "fbnic_netdev.h"
 #include "fbnic_tlv.h"
 
+static int
+fbnic_get_ts_info(struct net_device *netdev,
+		  struct kernel_ethtool_ts_info *tsinfo)
+{
+	tsinfo->so_timestamping =
+		SOF_TIMESTAMPING_TX_SOFTWARE;
+
+	return 0;
+}
+
 static void
 fbnic_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo)
 {
@@ -66,6 +76,7 @@ fbnic_get_eth_mac_stats(struct net_device *netdev,
 
 static const struct ethtool_ops fbnic_ethtool_ops = {
 	.get_drvinfo		= fbnic_get_drvinfo,
+	.get_ts_info		= fbnic_get_ts_info,
 	.get_eth_mac_stats	= fbnic_get_eth_mac_stats,
 };
 
diff --git a/drivers/net/ethernet/meta/fbnic/fbnic_txrx.c b/drivers/net/ethernet/meta/fbnic/fbnic_txrx.c
index 6a6d7e22f1a72..8337d49bad0bb 100644
--- a/drivers/net/ethernet/meta/fbnic/fbnic_txrx.c
+++ b/drivers/net/ethernet/meta/fbnic/fbnic_txrx.c
@@ -205,6 +205,9 @@ fbnic_tx_map(struct fbnic_ring *ring, struct sk_buff *skb, __le64 *meta)
 
 	ring->tail = tail;
 
+	/* Record SW timestamp */
+	skb_tx_timestamp(skb);
+
 	/* Verify there is room for another packet */
 	fbnic_maybe_stop_tx(skb->dev, ring, FBNIC_MAX_SKB_DESC);