Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next into net-accept-more

* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1557 commits)
  net: qede: use extack in qede_parse_actions()
  net: qede: propagate extack through qede_flow_spec_validate()
  net: qede: use faked extack in qede_flow_spec_to_rule()
  net: qede: use extack in qede_parse_flow_attr()
  net: qede: add extack in qede_add_tc_flower_fltr()
  net: qede: use extack in qede_flow_parse_udp_v4()
  net: qede: use extack in qede_flow_parse_udp_v6()
  net: qede: use extack in qede_flow_parse_tcp_v4()
  net: qede: use extack in qede_flow_parse_tcp_v6()
  net: qede: use extack in qede_flow_parse_v4_common()
  net: qede: use extack in qede_flow_parse_v6_common()
  net: qede: use extack in qede_set_v4_tuple_to_profile()
  net: qede: use extack in qede_set_v6_tuple_to_profile()
  net: qede: use extack in qede_flow_parse_ports()
  net: usb: smsc95xx: stop lying about skb->truesize
  net: dsa: microchip: Fix spellig mistake "configur" -> "configure"
  af_unix: Add dead flag to struct scm_fp_list.
  net: ethernet: adi: adin1110: Replace linux/gpio.h by proper one
  octeontx2-pf: Reuse Transmit queue/Send queue index of HTB class
  gve: Use ethtool_sprintf/puts() to fill stats strings
  ...

1 files changed, 44 insertions, 7 deletions

diff --git a/drivers/net/ethernet/intel/igc/igc_ptp.c b/drivers/net/ethernet/intel/igc/igc_ptp.c
index 885faaa7b9de..1bb026232efc 100644
--- a/drivers/net/ethernet/intel/igc/igc_ptp.c
+++ b/drivers/net/ethernet/intel/igc/igc_ptp.c
@@ -11,6 +11,7 @@
 #include <linux/ktime.h>
 #include <linux/delay.h>
 #include <linux/iopoll.h>
+#include <net/xdp_sock_drv.h>
 
 #define INCVALUE_MASK		0x7fffffff
 #define ISGN			0x80000000
@@ -545,6 +546,30 @@ static void igc_ptp_enable_rx_timestamp(struct igc_adapter *adapter)
 	wr32(IGC_TSYNCRXCTL, val);
 }
 
+static void igc_ptp_free_tx_buffer(struct igc_adapter *adapter,
+				   struct igc_tx_timestamp_request *tstamp)
+{
+	if (tstamp->buffer_type == IGC_TX_BUFFER_TYPE_XSK) {
+		/* Release the transmit completion */
+		tstamp->xsk_tx_buffer->xsk_pending_ts = false;
+
+		/* Note: tstamp->skb and tstamp->xsk_tx_buffer are in union.
+		 * By setting tstamp->xsk_tx_buffer to NULL, tstamp->skb will
+		 * become NULL as well.
+		 */
+		tstamp->xsk_tx_buffer = NULL;
+		tstamp->buffer_type = 0;
+
+		/* Trigger txrx interrupt for transmit completion */
+		igc_xsk_wakeup(adapter->netdev, tstamp->xsk_queue_index, 0);
+
+		return;
+	}
+
+	dev_kfree_skb_any(tstamp->skb);
+	tstamp->skb = NULL;
+}
+
 static void igc_ptp_clear_tx_tstamp(struct igc_adapter *adapter)
 {
 	unsigned long flags;
@@ -555,8 +580,8 @@ static void igc_ptp_clear_tx_tstamp(struct igc_adapter *adapter)
 	for (i = 0; i < IGC_MAX_TX_TSTAMP_REGS; i++) {
 		struct igc_tx_timestamp_request *tstamp = &adapter->tx_tstamp[i];
 
-		dev_kfree_skb_any(tstamp->skb);
-		tstamp->skb = NULL;
+		if (tstamp->skb)
+			igc_ptp_free_tx_buffer(adapter, tstamp);
 	}
 
 	spin_unlock_irqrestore(&adapter->ptp_tx_lock, flags);
@@ -657,8 +682,9 @@ static int igc_ptp_set_timestamp_mode(struct igc_adapter *adapter,
 static void igc_ptp_tx_timeout(struct igc_adapter *adapter,
 			       struct igc_tx_timestamp_request *tstamp)
 {
-	dev_kfree_skb_any(tstamp->skb);
-	tstamp->skb = NULL;
+	if (tstamp->skb)
+		igc_ptp_free_tx_buffer(adapter, tstamp);
+
 	adapter->tx_hwtstamp_timeouts++;
 
 	netdev_warn(adapter->netdev, "Tx timestamp timeout\n");
@@ -729,10 +755,21 @@ static void igc_ptp_tx_reg_to_stamp(struct igc_adapter *adapter,
 	shhwtstamps.hwtstamp =
 		ktime_add_ns(shhwtstamps.hwtstamp, adjust);
 
-	tstamp->skb = NULL;
+	/* Copy the tx hardware timestamp into xdp metadata or skb */
+	if (tstamp->buffer_type == IGC_TX_BUFFER_TYPE_XSK) {
+		struct xsk_buff_pool *xsk_pool;
+
+		xsk_pool = adapter->tx_ring[tstamp->xsk_queue_index]->xsk_pool;
+		if (xsk_pool && xp_tx_metadata_enabled(xsk_pool)) {
+			xsk_tx_metadata_complete(&tstamp->xsk_meta,
+						 &igc_xsk_tx_metadata_ops,
+						 &shhwtstamps.hwtstamp);
+		}
+	} else {
+		skb_tstamp_tx(skb, &shhwtstamps);
+	}
 
-	skb_tstamp_tx(skb, &shhwtstamps);
-	dev_kfree_skb_any(skb);
+	igc_ptp_free_tx_buffer(adapter, tstamp);
 }
 
 /**