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@@ -1,6 +1,7 @@
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/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Copyright 2011 Freescale Semiconductor, Inc.
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+ * Copyright 2020 NXP
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* Andy Fleming <afleming@gmail.com>
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*
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* This file pretty much stolen from Linux's mii.h/ethtool.h/phy.h
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@@ -67,6 +68,15 @@ static const char * const phy_interface_strings[] = {
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[PHY_INTERFACE_MODE_NONE] = "",
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};
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+/* Backplane modes:
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+ * are considered a sub-type of phy_interface_t: XGMII
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+ * and are specified in "phy-connection-type" with one of the following strings
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+ */
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+static const char * const backplane_mode_strings[] = {
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+ "10gbase-kr",
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+ "40gbase-kr4",
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+};
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+
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static inline const char *phy_string_for_interface(phy_interface_t i)
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{
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/* Default to unknown */
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@@ -76,4 +86,17 @@ static inline const char *phy_string_for_interface(phy_interface_t i)
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return phy_interface_strings[i];
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}
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+static inline bool is_backplane_mode(const char *phyconn)
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+{
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+ int i;
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+
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+ if (!phyconn)
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+ return false;
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+ for (i = 0; i < ARRAY_SIZE(backplane_mode_strings); i++) {
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+ if (!strcmp(phyconn, backplane_mode_strings[i]))
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+ return true;
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+ }
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+ return false;
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+}
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+
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#endif /* _PHY_INTERFACE_H */
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