KSZ9477 7-port Gigabit Ethernet switch driver. More...

#include "core/net.h"
#include "core/ethernet_misc.h"
#include "drivers/switch/ksz9477_driver.h"
#include "debug.h"

Macros
#define	TRACE_LEVEL NIC_TRACE_LEVEL

Functions
error_t	ksz9477Init (NetInterface *interface)
	KSZ9477 Ethernet switch initialization. More...

__weak_func void	ksz9477InitHook (NetInterface *interface)
	KSZ9477 custom configuration. More...

void	ksz9477Tick (NetInterface *interface)
	KSZ9477 timer handler. More...

void	ksz9477EnableIrq (NetInterface *interface)
	Enable interrupts. More...

void	ksz9477DisableIrq (NetInterface *interface)
	Disable interrupts. More...

void	ksz9477EventHandler (NetInterface *interface)
	KSZ9477 event handler. More...

error_t	ksz9477TagFrame (NetInterface interface, NetBuffer buffer, size_t offset, NetTxAncillary ancillary)
	Add tail tag to Ethernet frame. More...

error_t	ksz9477UntagFrame (NetInterface interface, uint8_t frame, size_t length, NetRxAncillary *ancillary)
	Decode tail tag from incoming Ethernet frame. More...

bool_t	ksz9477GetLinkState (NetInterface *interface, uint8_t port)
	Get link state. More...

uint32_t	ksz9477GetLinkSpeed (NetInterface *interface, uint8_t port)
	Get link speed. More...

NicDuplexMode	ksz9477GetDuplexMode (NetInterface *interface, uint8_t port)
	Get duplex mode. More...

void	ksz9477SetPortState (NetInterface *interface, uint8_t port, SwitchPortState state)
	Set port state. More...

SwitchPortState	ksz9477GetPortState (NetInterface *interface, uint8_t port)
	Get port state. More...

void	ksz9477SetAgingTime (NetInterface *interface, uint32_t agingTime)
	Set aging time for dynamic filtering entries. More...

void	ksz9477EnableIgmpSnooping (NetInterface *interface, bool_t enable)
	Enable IGMP snooping. More...

void	ksz9477EnableMldSnooping (NetInterface *interface, bool_t enable)
	Enable MLD snooping. More...

void	ksz9477EnableRsvdMcastTable (NetInterface *interface, bool_t enable)
	Enable reserved multicast table. More...

error_t	ksz9477AddStaticFdbEntry (NetInterface interface, const SwitchFdbEntry entry)
	Add a new entry to the static MAC table. More...

error_t	ksz9477DeleteStaticFdbEntry (NetInterface interface, const SwitchFdbEntry entry)
	Remove an entry from the static MAC table. More...

error_t	ksz9477GetStaticFdbEntry (NetInterface interface, uint_t index, SwitchFdbEntry entry)
	Read an entry from the static MAC table. More...

void	ksz9477FlushStaticFdbTable (NetInterface *interface)
	Flush static MAC table. More...

error_t	ksz9477GetDynamicFdbEntry (NetInterface interface, uint_t index, SwitchFdbEntry entry)
	Read an entry from the dynamic MAC table. More...

void	ksz9477FlushDynamicFdbTable (NetInterface *interface, uint8_t port)
	Flush dynamic MAC table. More...

void	ksz9477SetUnknownMcastFwdPorts (NetInterface *interface, bool_t enable, uint32_t forwardPorts)
	Set forward ports for unknown multicast packets. More...

void	ksz9477WritePhyReg (NetInterface *interface, uint8_t port, uint8_t address, uint16_t data)
	Write PHY register. More...

uint16_t	ksz9477ReadPhyReg (NetInterface *interface, uint8_t port, uint8_t address)
	Read PHY register. More...

void	ksz9477DumpPhyReg (NetInterface *interface, uint8_t port)
	Dump PHY registers for debugging purpose. More...

void	ksz9477WriteMmdReg (NetInterface *interface, uint8_t port, uint8_t devAddr, uint16_t regAddr, uint16_t data)
	Write MMD register. More...

uint16_t	ksz9477ReadMmdReg (NetInterface *interface, uint8_t port, uint8_t devAddr, uint16_t regAddr)
	Read MMD register. More...

void	ksz9477WriteSwitchReg8 (NetInterface *interface, uint16_t address, uint8_t data)
	Write switch register (8 bits) More...

uint8_t	ksz9477ReadSwitchReg8 (NetInterface *interface, uint16_t address)
	Read switch register (8 bits) More...

void	ksz9477WriteSwitchReg16 (NetInterface *interface, uint16_t address, uint16_t data)
	Write switch register (16 bits) More...

uint16_t	ksz9477ReadSwitchReg16 (NetInterface *interface, uint16_t address)
	Read switch register (16 bits) More...

void	ksz9477WriteSwitchReg32 (NetInterface *interface, uint16_t address, uint32_t data)
	Write switch register (32 bits) More...

uint32_t	ksz9477ReadSwitchReg32 (NetInterface *interface, uint16_t address)
	Read switch register (32 bits) More...

Variables
const SwitchDriver	ksz9477SwitchDriver
	KSZ9477 Ethernet switch driver. More...

const uint16_t	ksz9477IngressTailTag [6]
	Tail tag rules (host to KSZ9477) More...

Detailed Description

KSZ9477 7-port Gigabit Ethernet switch driver.

License

SPDX-License-Identifier: GPL-2.0-or-later

This file is part of CycloneTCP Open.

This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

Author: Oryx Embedded SARL (www.oryx-embedded.com)

Version: 2.4.4

Definition in file ksz9477_driver.c.

Macro Definition Documentation

◆ TRACE_LEVEL

#define TRACE_LEVEL NIC_TRACE_LEVEL

Definition at line 32 of file ksz9477_driver.c.

Function Documentation

◆ ksz9477AddStaticFdbEntry()

error_t ksz9477AddStaticFdbEntry	(	NetInterface *	interface,
		const SwitchFdbEntry *	entry
	)

Add a new entry to the static MAC table.

Parameters

[in]	interface	Underlying network interface
[in]	entry	Pointer to the forwarding database entry

Returns: Error code

Definition at line 1006 of file ksz9477_driver.c.

◆ ksz9477DeleteStaticFdbEntry()

error_t ksz9477DeleteStaticFdbEntry	(	NetInterface *	interface,
		const SwitchFdbEntry *	entry
	)

Remove an entry from the static MAC table.

Parameters

[in]	interface	Underlying network interface
[in]	entry	Forwarding database entry to remove from the table

Returns: Error code

Definition at line 1128 of file ksz9477_driver.c.

◆ ksz9477DisableIrq()

void ksz9477DisableIrq ( NetInterface * interface )

Disable interrupts.

Parameters

[in] interface Underlying network interface

Definition at line 338 of file ksz9477_driver.c.

◆ ksz9477DumpPhyReg()

void ksz9477DumpPhyReg	(	NetInterface *	interface,
		uint8_t	port
	)

Dump PHY registers for debugging purpose.

Parameters

[in]	interface	Underlying network interface
[in]	port	Port number

Definition at line 1623 of file ksz9477_driver.c.

◆ ksz9477EnableIgmpSnooping()

void ksz9477EnableIgmpSnooping	(	NetInterface *	interface,
		bool_t	enable
	)

Enable IGMP snooping.

Parameters

[in]	interface	Underlying network interface
[in]	enable	Enable or disable IGMP snooping

Definition at line 917 of file ksz9477_driver.c.

◆ ksz9477EnableIrq()

void ksz9477EnableIrq ( NetInterface * interface )

Enable interrupts.

Parameters

[in] interface Underlying network interface

Definition at line 328 of file ksz9477_driver.c.

◆ ksz9477EnableMldSnooping()

void ksz9477EnableMldSnooping	(	NetInterface *	interface,
		bool_t	enable
	)

Enable MLD snooping.

Parameters

[in]	interface	Underlying network interface
[in]	enable	Enable or disable MLD snooping

Definition at line 947 of file ksz9477_driver.c.

◆ ksz9477EnableRsvdMcastTable()

void ksz9477EnableRsvdMcastTable	(	NetInterface *	interface,
		bool_t	enable
	)

Enable reserved multicast table.

Parameters

[in]	interface	Underlying network interface
[in]	enable	Enable or disable reserved group addresses

Definition at line 977 of file ksz9477_driver.c.

◆ ksz9477EventHandler()

void ksz9477EventHandler ( NetInterface * interface )

KSZ9477 event handler.

Parameters

[in] interface Underlying network interface

Definition at line 348 of file ksz9477_driver.c.

◆ ksz9477FlushDynamicFdbTable()

void ksz9477FlushDynamicFdbTable	(	NetInterface *	interface,
		uint8_t	port
	)

Flush dynamic MAC table.

Parameters

[in]	interface	Underlying network interface
[in]	port	Port number

Definition at line 1461 of file ksz9477_driver.c.

◆ ksz9477FlushStaticFdbTable()

void ksz9477FlushStaticFdbTable ( NetInterface * interface )

Flush static MAC table.

Parameters

[in] interface Underlying network interface

Definition at line 1305 of file ksz9477_driver.c.

◆ ksz9477GetDuplexMode()

NicDuplexMode ksz9477GetDuplexMode	(	NetInterface *	interface,
		uint8_t	port
	)

Get duplex mode.

Parameters

[in]	interface	Underlying network interface
[in]	port	Port number

Returns: Duplex mode

Definition at line 713 of file ksz9477_driver.c.

◆ ksz9477GetDynamicFdbEntry()

error_t ksz9477GetDynamicFdbEntry	(	NetInterface *	interface,
		uint_t	index,
		SwitchFdbEntry *	entry
	)

Read an entry from the dynamic MAC table.

Parameters

[in]	interface	Underlying network interface
[in]	index	Zero-based index of the entry to read
[out]	entry	Pointer to the forwarding database entry

Returns: Error code

Definition at line 1354 of file ksz9477_driver.c.

◆ ksz9477GetLinkSpeed()

uint32_t ksz9477GetLinkSpeed	(	NetInterface *	interface,
		uint8_t	port
	)

Get link speed.

Parameters

[in]	interface	Underlying network interface
[in]	port	Port number

Returns: Link speed

Definition at line 618 of file ksz9477_driver.c.

◆ ksz9477GetLinkState()

bool_t ksz9477GetLinkState	(	NetInterface *	interface,
		uint8_t	port
	)

Get link state.

Parameters

[in]	interface	Underlying network interface
[in]	port	Port number

Returns: Link state

Definition at line 584 of file ksz9477_driver.c.

◆ ksz9477GetPortState()

SwitchPortState ksz9477GetPortState	(	NetInterface *	interface,
		uint8_t	port
	)

Get port state.

Parameters

[in]	interface	Underlying network interface
[in]	port	Port number

Returns: Port state

Definition at line 833 of file ksz9477_driver.c.

◆ ksz9477GetStaticFdbEntry()

error_t ksz9477GetStaticFdbEntry	(	NetInterface *	interface,
		uint_t	index,
		SwitchFdbEntry *	entry
	)

Read an entry from the static MAC table.

Parameters

[in]	interface	Underlying network interface
[in]	index	Zero-based index of the entry to read
[out]	entry	Pointer to the forwarding database entry

Returns: Error code

Definition at line 1208 of file ksz9477_driver.c.

◆ ksz9477Init()

error_t ksz9477Init ( NetInterface * interface )

KSZ9477 Ethernet switch initialization.

Parameters

[in] interface Underlying network interface

Returns: Error code

Definition at line 94 of file ksz9477_driver.c.

◆ ksz9477InitHook()

__weak_func void ksz9477InitHook ( NetInterface * interface )

KSZ9477 custom configuration.

Parameters

[in] interface Underlying network interface

Definition at line 248 of file ksz9477_driver.c.

◆ ksz9477ReadMmdReg()

uint16_t ksz9477ReadMmdReg	(	NetInterface *	interface,
		uint8_t	port,
		uint8_t	devAddr,
		uint16_t	regAddr
	)

Read MMD register.

Parameters

[in]	interface	Underlying network interface
[in]	port	Port number
[in]	devAddr	Device address
[in]	regAddr	Register address

Returns: Register value

Definition at line 1677 of file ksz9477_driver.c.

◆ ksz9477ReadPhyReg()

uint16_t ksz9477ReadPhyReg	(	NetInterface *	interface,
		uint8_t	port,
		uint8_t	address
	)

Read PHY register.

Parameters

[in]	interface	Underlying network interface
[in]	port	Port number
[in]	address	PHY register address

Returns: Register value

Definition at line 1587 of file ksz9477_driver.c.

◆ ksz9477ReadSwitchReg16()

uint16_t ksz9477ReadSwitchReg16	(	NetInterface *	interface,
		uint16_t	address
	)

Read switch register (16 bits)

Parameters

[in]	interface	Underlying network interface
[in]	address	Switch register address

Returns: Register value

Definition at line 1837 of file ksz9477_driver.c.

◆ ksz9477ReadSwitchReg32()

uint32_t ksz9477ReadSwitchReg32	(	NetInterface *	interface,
		uint16_t	address
	)

Read switch register (32 bits)

Parameters

[in]	interface	Underlying network interface
[in]	address	Switch register address

Returns: Register value

Definition at line 1931 of file ksz9477_driver.c.

◆ ksz9477ReadSwitchReg8()

uint8_t ksz9477ReadSwitchReg8	(	NetInterface *	interface,
		uint16_t	address
	)

Read switch register (8 bits)

Parameters

[in]	interface	Underlying network interface
[in]	address	Switch register address

Returns: Register value

Definition at line 1746 of file ksz9477_driver.c.

◆ ksz9477SetAgingTime()

void ksz9477SetAgingTime	(	NetInterface *	interface,
		uint32_t	agingTime
	)

Set aging time for dynamic filtering entries.

Parameters

[in]	interface	Underlying network interface
[in]	agingTime	Aging time, in seconds

Definition at line 896 of file ksz9477_driver.c.

◆ ksz9477SetPortState()

void ksz9477SetPortState	(	NetInterface *	interface,
		uint8_t	port,
		SwitchPortState	state
	)

Set port state.

Parameters

[in]	interface	Underlying network interface
[in]	port	Port number
[in]	state	Port state

Definition at line 777 of file ksz9477_driver.c.

◆ ksz9477SetUnknownMcastFwdPorts()

void ksz9477SetUnknownMcastFwdPorts	(	NetInterface *	interface,
		bool_t	enable,
		uint32_t	forwardPorts
	)

Set forward ports for unknown multicast packets.

Parameters

[in]	interface	Underlying network interface
[in]	enable	Enable or disable forwarding of unknown multicast packets
[in]	forwardPorts	Port map

Definition at line 1508 of file ksz9477_driver.c.

◆ ksz9477TagFrame()

error_t ksz9477TagFrame	(	NetInterface *	interface,
		NetBuffer *	buffer,
		size_t *	offset,
		NetTxAncillary *	ancillary
	)

Add tail tag to Ethernet frame.

Parameters

[in]	interface	Underlying network interface
[in]	buffer	Multi-part buffer containing the payload
[in,out]	offset	Offset to the first payload byte
[in]	ancillary	Additional options passed to the stack along with the packet

Returns: Error code

Definition at line 473 of file ksz9477_driver.c.

◆ ksz9477Tick()

void ksz9477Tick ( NetInterface * interface )

KSZ9477 timer handler.

Parameters

[in] interface Underlying network interface

Definition at line 258 of file ksz9477_driver.c.

◆ ksz9477UntagFrame()

error_t ksz9477UntagFrame	(	NetInterface *	interface,
		uint8_t **	frame,
		size_t *	length,
		NetRxAncillary *	ancillary
	)

Decode tail tag from incoming Ethernet frame.

Parameters

[in]	interface	Underlying network interface
[in,out]	frame	Pointer to the received Ethernet frame
[in,out]	length	Length of the frame, in bytes
[in,out]	ancillary	Additional options passed to the stack along with the packet

Returns: Error code

Definition at line 532 of file ksz9477_driver.c.

◆ ksz9477WriteMmdReg()

void ksz9477WriteMmdReg	(	NetInterface *	interface,
		uint8_t	port,
		uint8_t	devAddr,
		uint16_t	regAddr,
		uint16_t	data
	)

Write MMD register.

Parameters

[in]	interface	Underlying network interface
[in]	port	Port number
[in]	devAddr	Device address
[in]	regAddr	Register address
[in]	data	Register value

Definition at line 1649 of file ksz9477_driver.c.

◆ ksz9477WritePhyReg()

void ksz9477WritePhyReg	(	NetInterface *	interface,
		uint8_t	port,
		uint8_t	address,
		uint16_t	data
	)

Write PHY register.

Parameters

[in]	interface	Underlying network interface
[in]	port	Port number
[in]	address	PHY register address
[in]	data	Register value

Definition at line 1553 of file ksz9477_driver.c.

◆ ksz9477WriteSwitchReg16()

void ksz9477WriteSwitchReg16	(	NetInterface *	interface,
		uint16_t	address,
		uint16_t	data
	)

Write switch register (16 bits)

Parameters

[in]	interface	Underlying network interface
[in]	address	Switch register address
[in]	data	Register value

Definition at line 1793 of file ksz9477_driver.c.

◆ ksz9477WriteSwitchReg32()

void ksz9477WriteSwitchReg32	(	NetInterface *	interface,
		uint16_t	address,
		uint32_t	data
	)

Write switch register (32 bits)

Parameters

[in]	interface	Underlying network interface
[in]	address	Switch register address
[in]	data	Register value

Definition at line 1885 of file ksz9477_driver.c.

◆ ksz9477WriteSwitchReg8()

void ksz9477WriteSwitchReg8	(	NetInterface *	interface,
		uint16_t	address,
		uint8_t	data
	)

Write switch register (8 bits)

Parameters

[in]	interface	Underlying network interface
[in]	address	Switch register address
[in]	data	Register value

Definition at line 1703 of file ksz9477_driver.c.

Variable Documentation

◆ ksz9477IngressTailTag

const uint16_t ksz9477IngressTailTag[6]

Initial value:

=
{
   HTONS(KSZ9477_TAIL_TAG_NORMAL_ADDR_LOOKUP),
   HTONS(KSZ9477_TAIL_TAG_PORT_BLOCKING_OVERRIDE | KSZ9477_TAIL_TAG_DEST_PORT1),
   HTONS(KSZ9477_TAIL_TAG_PORT_BLOCKING_OVERRIDE | KSZ9477_TAIL_TAG_DEST_PORT2),
   HTONS(KSZ9477_TAIL_TAG_PORT_BLOCKING_OVERRIDE | KSZ9477_TAIL_TAG_DEST_PORT3),
   HTONS(KSZ9477_TAIL_TAG_PORT_BLOCKING_OVERRIDE | KSZ9477_TAIL_TAG_DEST_PORT4),
 
}

Tail tag rules (host to KSZ9477)

Definition at line 77 of file ksz9477_driver.c.

◆ ksz9477SwitchDriver

const SwitchDriver ksz9477SwitchDriver

Initial value:

KSZ9477 Ethernet switch driver.

Definition at line 45 of file ksz9477_driver.c.

Macros

Functions

Variables

Detailed Description

License

Macro Definition Documentation

◆ TRACE_LEVEL

Function Documentation

◆ ksz9477AddStaticFdbEntry()

◆ ksz9477DeleteStaticFdbEntry()

◆ ksz9477DisableIrq()

◆ ksz9477DumpPhyReg()

◆ ksz9477EnableIgmpSnooping()

◆ ksz9477EnableIrq()

◆ ksz9477EnableMldSnooping()

◆ ksz9477EnableRsvdMcastTable()

◆ ksz9477EventHandler()

◆ ksz9477FlushDynamicFdbTable()

◆ ksz9477FlushStaticFdbTable()

◆ ksz9477GetDuplexMode()

◆ ksz9477GetDynamicFdbEntry()

◆ ksz9477GetLinkSpeed()

◆ ksz9477GetLinkState()

◆ ksz9477GetPortState()

◆ ksz9477GetStaticFdbEntry()

◆ ksz9477Init()

◆ ksz9477InitHook()

◆ ksz9477ReadMmdReg()

◆ ksz9477ReadPhyReg()

◆ ksz9477ReadSwitchReg16()

◆ ksz9477ReadSwitchReg32()

◆ ksz9477ReadSwitchReg8()

◆ ksz9477SetAgingTime()

◆ ksz9477SetPortState()

◆ ksz9477SetUnknownMcastFwdPorts()

◆ ksz9477TagFrame()

◆ ksz9477Tick()

◆ ksz9477UntagFrame()

◆ ksz9477WriteMmdReg()

◆ ksz9477WritePhyReg()

◆ ksz9477WriteSwitchReg16()

◆ ksz9477WriteSwitchReg32()

◆ ksz9477WriteSwitchReg8()

Variable Documentation

◆ ksz9477IngressTailTag

◆ ksz9477SwitchDriver