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2024-05-10 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb

 kernel/drivers/net/ethernet/ibm/emac/core.h
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@@ -1,3 +1,4 @@
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+/* SPDX-License-Identifier: GPL-2.0-or-later */
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 /*
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  * drivers/net/ethernet/ibm/emac/core.h
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  *
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@@ -15,12 +16,6 @@
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  *      Armin Kuster <akuster@mvista.com>
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  * 	Johnnie Peters <jpeters@mvista.com>
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  *      Copyright 2000, 2001 MontaVista Softare Inc.
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- *
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- * This program is free software; you can redistribute  it and/or modify it
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- * under  the terms of  the GNU General  Public License as published by the
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- * Free Software Foundation;  either version 2 of the  License, or (at your
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- * option) any later version.
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- *
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  */
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 #ifndef __IBM_NEWEMAC_CORE_H
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 #define __IBM_NEWEMAC_CORE_H
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@@ -68,22 +63,18 @@
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 		return mal_rx_size(ETH_DATA_LEN + EMAC_MTU_OVERHEAD);
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 }
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-#define EMAC_DMA_ALIGN(x)		ALIGN((x), dma_get_cache_alignment())
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-
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-#define EMAC_RX_SKB_HEADROOM		\
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-	EMAC_DMA_ALIGN(CONFIG_IBM_EMAC_RX_SKB_HEADROOM)
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-
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 /* Size of RX skb for the given MTU */
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 static inline int emac_rx_skb_size(int mtu)
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 {
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 	int size = max(mtu + EMAC_MTU_OVERHEAD, emac_rx_size(mtu));
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-	return EMAC_DMA_ALIGN(size + 2) + EMAC_RX_SKB_HEADROOM;
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+
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+	return SKB_DATA_ALIGN(size + NET_IP_ALIGN) + NET_SKB_PAD;
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 }
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 /* RX DMA sync size */
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 static inline int emac_rx_sync_size(int mtu)
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 {
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-	return EMAC_DMA_ALIGN(emac_rx_size(mtu) + 2);
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+	return SKB_DATA_ALIGN(emac_rx_size(mtu) + NET_IP_ALIGN);
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 }
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 /* Driver statistcs is split into two parts to make it more cache friendly:
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@@ -180,7 +171,7 @@
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 	struct mal_commac		commac;
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 	/* PHY infos */
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-	int				phy_mode;
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+	phy_interface_t			phy_mode;
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 	u32				phy_map;
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 	u32				phy_address;
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 	u32				phy_feat_exc;
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@@ -390,6 +381,9 @@
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 #define	EMAC4SYNC_XAHT_SLOTS_SHIFT	8
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 #define	EMAC4SYNC_XAHT_WIDTH_SHIFT	5
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+/* The largest span between slots and widths above is 3 */
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+#define	EMAC_XAHT_MAX_REGS		(1 << 3)
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+
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 #define	EMAC_XAHT_SLOTS(dev)         	(1 << (dev)->xaht_slots_shift)
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 #define	EMAC_XAHT_WIDTH(dev)         	(1 << (dev)->xaht_width_shift)
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 #define	EMAC_XAHT_REGS(dev)          	(1 << ((dev)->xaht_slots_shift - \