add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/net/ethernet/synopsys/dwc-xlgmac-ethtool.c
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@@ -151,7 +151,6 @@
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 {
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 	struct xlgmac_pdata *pdata = netdev_priv(netdev);
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-	memset(ec, 0, sizeof(struct ethtool_coalesce));
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 	ec->rx_coalesce_usecs = pdata->rx_usecs;
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 	ec->rx_max_coalesced_frames = pdata->rx_frames;
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 	ec->tx_max_coalesced_frames = pdata->tx_frames;
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@@ -166,20 +165,6 @@
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 	struct xlgmac_hw_ops *hw_ops = &pdata->hw_ops;
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 	unsigned int rx_frames, rx_riwt, rx_usecs;
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 	unsigned int tx_frames;
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-
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-	/* Check for not supported parameters */
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-	if ((ec->rx_coalesce_usecs_irq) || (ec->rx_max_coalesced_frames_irq) ||
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-	    (ec->tx_coalesce_usecs) || (ec->tx_coalesce_usecs_high) ||
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-	    (ec->tx_max_coalesced_frames_irq) || (ec->tx_coalesce_usecs_irq) ||
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-	    (ec->stats_block_coalesce_usecs) ||  (ec->pkt_rate_low) ||
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-	    (ec->use_adaptive_rx_coalesce) || (ec->use_adaptive_tx_coalesce) ||
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-	    (ec->rx_max_coalesced_frames_low) || (ec->rx_coalesce_usecs_low) ||
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-	    (ec->tx_coalesce_usecs_low) || (ec->tx_max_coalesced_frames_low) ||
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-	    (ec->pkt_rate_high) || (ec->rx_coalesce_usecs_high) ||
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-	    (ec->rx_max_coalesced_frames_high) ||
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-	    (ec->tx_max_coalesced_frames_high) ||
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-	    (ec->rate_sample_interval))
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-		return -EOPNOTSUPP;
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 	rx_usecs = ec->rx_coalesce_usecs;
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 	rx_riwt = hw_ops->usec_to_riwt(pdata, rx_usecs);
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@@ -257,6 +242,8 @@
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 }
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 static const struct ethtool_ops xlgmac_ethtool_ops = {
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+	.supported_coalesce_params = ETHTOOL_COALESCE_RX_USECS |
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+				     ETHTOOL_COALESCE_MAX_FRAMES,
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 	.get_drvinfo = xlgmac_ethtool_get_drvinfo,
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 	.get_link = ethtool_op_get_link,
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 	.get_msglevel = xlgmac_ethtool_get_msglevel,