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include/net/if.h: Add mechanism for MMD access with SIOCxMIIREG ioctls #16926

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Merged
merged 1 commit into from
Aug 29, 2025
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include/net/if.h: Add mechanism for MMD access with SIOCxMIIREG ioctls #16926

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11 changes: 11 additions & 0 deletions include/net/if.h
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Original file line number Diff line number Diff line change
Expand Up @@ -127,6 +127,17 @@
# define IFF_IS_IPv4(f) (1)
#endif

/* MDIO Manageable Device (MMD) support with SIOCxMIIREG ioctl commands */

#define MDIO_PHY_ID_C45 0x8000
#define MDIO_PHY_ID_PRTAD 0x03E0
#define MDIO_PHY_ID_DEVAD 0x001F
#define MDIO_PHY_ID_C45_MASK \
(MDIO_PHY_ID_C45 | MDIO_PHY_ID_PRTAD | MDIO_PHY_ID_DEVAD)

#define mdio_phy_id_c45(prtad, devad) \
((uint16_t)(MDIO_PHY_ID_C45 | ((prtad) << 5) | (devad)))

/* RFC 2863 operational status */

enum
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14 changes: 13 additions & 1 deletion include/nuttx/net/netdev.h
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Expand Up @@ -2,7 +2,8 @@
* include/nuttx/net/netdev.h
*
* SPDX-License-Identifier: BSD-3-Clause
* SPDX-FileCopyrightText: 2007, 2009, 2011-2018 Gregory Nutt. All rights reserved.
* SPDX-FileCopyrightText: 2007,2009 Gregory Nutt. All rights reserved.
* SPDX-FileCopyrightText: 2011-2018 Gregory Nutt. All rights reserved.
* SPDX-FileCopyrightText: 2001-2003, Adam Dunkels. All rights reserved.
* SPDX-FileContributor: Gregory Nutt <[email protected]>
*
Expand Down Expand Up @@ -216,6 +217,17 @@
(netdev_ipv6_lookup(dev, addr, true) != NULL)
#endif

/* MDIO Manageable Device (MMD) support with SIOCxMIIREG ioctl commands */

#define mdio_phy_id_is_c45(phy_id) \
(((phy_id) & MDIO_PHY_ID_C45) && !((phy_id) & ~MDIO_PHY_ID_C45_MASK))

#define mdio_phy_id_prtad(phy_id) \
((uint16_t)(((phy_id) & MDIO_PHY_ID_PRTAD) >> 5))

#define mdio_phy_id_devad(phy_id) \
((uint16_t)((phy_id) & MDIO_PHY_ID_DEVAD))

/****************************************************************************
* Public Types
****************************************************************************/
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