netdev - [PATCH net-next v2 1/5] eth: fbnic: add software TX timestamping support

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20240912163123.551882-2-vadfed@meta.com>
Date: Thu, 12 Sep 2024 09:31:19 -0700
From: Vadim Fedorenko <vadfed@...a.com>
To: Vadim Fedorenko <vadim.fedorenko@...ux.dev>,
        Jakub Kicinski
	<kuba@...nel.org>, David Ahern <dsahern@...nel.org>,
        Paolo Abeni
	<pabeni@...hat.com>,
        "David S. Miller" <davem@...emloft.net>,
        Alexander Duyck
	<alexanderduyck@...com>
CC: Vadim Fedorenko <vadfed@...a.com>, <netdev@...r.kernel.org>,
        "Richard
 Cochran" <richardcochran@...il.com>
Subject: [PATCH net-next v2 1/5] 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@...a.com>
---
 drivers/net/ethernet/meta/fbnic/fbnic_ethtool.c | 11 +++++++++++
 drivers/net/ethernet/meta/fbnic/fbnic_txrx.c    |  3 +++
 2 files changed, 14 insertions(+)

diff --git a/drivers/net/ethernet/meta/fbnic/fbnic_ethtool.c b/drivers/net/ethernet/meta/fbnic/fbnic_ethtool.c
index 5d980e178941..ffc773014e0f 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 4d0406af297f..ff40879c3654 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);
 
-- 
2.43.5