intel/igc/igc_ptp.c

539 				   struct igc_tx_timestamp_request *tstamp)
541 	if (tstamp->buffer_type == IGC_TX_BUFFER_TYPE_XSK) {
543 		tstamp->xsk_tx_buffer->xsk_pending_ts = false;
545 		/* Note: tstamp->skb and tstamp->xsk_tx_buffer are in union.
546 		 * By setting tstamp->xsk_tx_buffer to NULL, tstamp->skb will
549 		tstamp->xsk_tx_buffer = NULL;
550 		tstamp->buffer_type = 0;
553 		igc_xsk_wakeup(adapter->netdev, tstamp->xsk_queue_index, 0);
558 	dev_kfree_skb_any(tstamp->skb);
559 	tstamp->skb = NULL;
570 		struct igc_tx_timestamp_request *tstamp = &adapter->tx_tstamp[i];
572 		if (tstamp->skb)
573 			igc_ptp_free_tx_buffer(adapter, tstamp);
672 			       struct igc_tx_timestamp_request *tstamp)
674 	if (tstamp->skb)
675 		igc_ptp_free_tx_buffer(adapter, tstamp);
684 	struct igc_tx_timestamp_request *tstamp;
693 		tstamp = &adapter->tx_tstamp[i];
695 		if (!tstamp->skb)
698 		if (time_is_after_jiffies(tstamp->start + IGC_PTP_TX_TIMEOUT))
701 		igc_ptp_tx_timeout(adapter, tstamp);
716 				    struct igc_tx_timestamp_request *tstamp, u64 regval)
722 	skb = tstamp->skb;
748 	if (tstamp->buffer_type == IGC_TX_BUFFER_TYPE_XSK) {
751 		xsk_pool = adapter->tx_ring[tstamp->xsk_queue_index]->xsk_pool;
753 			xsk_tx_metadata_complete(&tstamp->xsk_meta,
761 	igc_ptp_free_tx_buffer(adapter, tstamp);
825 		struct igc_tx_timestamp_request *tstamp = &adapter->tx_tstamp[i];
827 		if (!(tstamp->mask & mask))
830 		regval = rd32(tstamp->regl);
831 		regval |= (u64)rd32(tstamp->regh) << 32;
833 		igc_ptp_tx_reg_to_stamp(adapter, tstamp, regval);
925 static struct system_counterval_t igc_device_tstamp_to_system(u64 tstamp)
930 		.cycles		= tstamp,
1102 	struct igc_tx_timestamp_request *tstamp;
1106 	tstamp = &adapter->tx_tstamp[0];
1107 	tstamp->mask = IGC_TSYNCTXCTL_TXTT_0;
1108 	tstamp->regl = IGC_TXSTMPL_0;
1109 	tstamp->regh = IGC_TXSTMPH_0;
1110 	tstamp->flags = 0;
1112 	tstamp = &adapter->tx_tstamp[1];
1113 	tstamp->mask = IGC_TSYNCTXCTL_TXTT_1;
1114 	tstamp->regl = IGC_TXSTMPL_1;
1115 	tstamp->regh = IGC_TXSTMPH_1;
1116 	tstamp->flags = IGC_TX_FLAGS_TSTAMP_1;
1118 	tstamp = &adapter->tx_tstamp[2];
1119 	tstamp->mask = IGC_TSYNCTXCTL_TXTT_2;
1120 	tstamp->regl = IGC_TXSTMPL_2;
1121 	tstamp->regh = IGC_TXSTMPH_2;
1122 	tstamp->flags = IGC_TX_FLAGS_TSTAMP_2;
1124 	tstamp = &adapter->tx_tstamp[3];
1125 	tstamp->mask = IGC_TSYNCTXCTL_TXTT_3;
1126 	tstamp->regl = IGC_TXSTMPL_3;
1127 	tstamp->regh = IGC_TXSTMPH_3;
1128 	tstamp->flags = IGC_TX_FLAGS_TSTAMP_3;