Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
net: mvneta: add support for hardware timestamps
Add support for hardware timestamps in (e.g.) the PHY by calling
skb_tx_timestamp() as close as reasonably possible to the point that
the hardware is instructed to send the queued packets.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Link: https://patch.msgid.link/E1uwKHe-00000004glk-3nkJ@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
authored by
Russell King
and committed by
Jakub Kicinski
903e6d05
dc2f650f
+8
+8
drivers/net/ethernet/marvell/mvneta.c
+8
drivers/net/ethernet/marvell/mvneta.c
···
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2984
if (txq->count >= txq->tx_stop_threshold)
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netif_tx_stop_queue(nq);
2986
2986
2987
+
/* This is not really the true transmit point, since we batch
2988
+
* up several before hitting the hardware, but is the best we
2989
+
* can do without more complexity to walk the packets in the
2990
+
* pending section of the transmit queue.
2991
+
*/
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+
skb_tx_timestamp(skb);
2993
+
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if (!netdev_xmit_more() || netif_xmit_stopped(nq) ||
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txq->pending + frags > MVNETA_TXQ_DEC_SENT_MASK)
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mvneta_txq_pend_desc_add(pp, txq, frags);
···
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5356
.set_link_ksettings = mvneta_ethtool_set_link_ksettings,
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.get_wol = mvneta_ethtool_get_wol,
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.set_wol = mvneta_ethtool_set_wol,
5359
+
.get_ts_info = ethtool_op_get_ts_info,
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5360
.get_eee = mvneta_ethtool_get_eee,
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.set_eee = mvneta_ethtool_set_eee,
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};