LAN9370 5-port 100Base-T1 Ethernet switch driver. More...

#include "core/net.h"
#include "core/ethernet_misc.h"
#include "drivers/switch/lan9370_driver.h"
#include "debug.h"

Macros
#define	TRACE_LEVEL NIC_TRACE_LEVEL

Functions
error_t	lan9370Init (NetInterface *interface)
	LAN9370 Ethernet switch initialization. More...

__weak_func void	lan9370InitHook (NetInterface *interface)
	LAN9370 custom configuration. More...

void	lan9370Tick (NetInterface *interface)
	LAN9370 timer handler. More...

void	lan9370EnableIrq (NetInterface *interface)
	Enable interrupts. More...

void	lan9370DisableIrq (NetInterface *interface)
	Disable interrupts. More...

void	lan9370EventHandler (NetInterface *interface)
	LAN9370 event handler. More...

error_t	lan9370TagFrame (NetInterface interface, NetBuffer buffer, size_t offset, NetTxAncillary ancillary)
	Add tail tag to Ethernet frame. More...

error_t	lan9370UntagFrame (NetInterface interface, uint8_t frame, size_t length, NetRxAncillary *ancillary)
	Decode tail tag from incoming Ethernet frame. More...

bool_t	lan9370GetLinkState (NetInterface *interface, uint8_t port)
	Get link state. More...

uint32_t	lan9370GetLinkSpeed (NetInterface *interface, uint8_t port)
	Get link speed. More...

NicDuplexMode	lan9370GetDuplexMode (NetInterface *interface, uint8_t port)
	Get duplex mode. More...

void	lan9370SetPortState (NetInterface *interface, uint8_t port, SwitchPortState state)
	Set port state. More...

SwitchPortState	lan9370GetPortState (NetInterface *interface, uint8_t port)
	Get port state. More...

void	lan9370SetAgingTime (NetInterface *interface, uint32_t agingTime)
	Set aging time for dynamic filtering entries. More...

void	lan9370EnableIgmpSnooping (NetInterface *interface, bool_t enable)
	Enable IGMP snooping. More...

void	lan9370EnableMldSnooping (NetInterface *interface, bool_t enable)
	Enable MLD snooping. More...

void	lan9370EnableRsvdMcastTable (NetInterface *interface, bool_t enable)
	Enable reserved multicast table. More...

error_t	lan9370AddStaticFdbEntry (NetInterface interface, const SwitchFdbEntry entry)
	Add a new entry to the static MAC table. More...

error_t	lan9370DeleteStaticFdbEntry (NetInterface interface, const SwitchFdbEntry entry)
	Remove an entry from the static MAC table. More...

error_t	lan9370GetStaticFdbEntry (NetInterface interface, uint_t index, SwitchFdbEntry entry)
	Read an entry from the static MAC table. More...

void	lan9370FlushStaticFdbTable (NetInterface *interface)
	Flush static MAC table. More...

error_t	lan9370GetDynamicFdbEntry (NetInterface interface, uint_t index, SwitchFdbEntry entry)
	Read an entry from the dynamic MAC table. More...

void	lan9370FlushDynamicFdbTable (NetInterface *interface, uint8_t port)
	Flush dynamic MAC table. More...

void	lan9370SetUnknownMcastFwdPorts (NetInterface *interface, bool_t enable, uint32_t forwardPorts)
	Set forward ports for unknown multicast packets. More...

void	lan9370WritePhyReg (NetInterface *interface, uint8_t port, uint8_t address, uint16_t data)
	Write PHY register. More...

uint16_t	lan9370ReadPhyReg (NetInterface *interface, uint8_t port, uint8_t address)
	Read PHY register. More...

void	lan9370DumpPhyReg (NetInterface *interface, uint8_t port)
	Dump PHY registers for debugging purpose. More...

void	lan9370WriteExtReg (NetInterface *interface, uint8_t port, uint8_t bank, uint8_t addr, uint16_t data)
	Write extended register. More...

uint16_t	lan9370ReadExtReg (NetInterface *interface, uint8_t port, uint8_t bank, uint8_t addr)
	Read extended register. More...

void	lan9370WriteSwitchReg8 (NetInterface *interface, uint16_t address, uint8_t data)
	Write switch register (8 bits) More...

uint8_t	lan9370ReadSwitchReg8 (NetInterface *interface, uint16_t address)
	Read switch register (8 bits) More...

void	lan9370WriteSwitchReg16 (NetInterface *interface, uint16_t address, uint16_t data)
	Write switch register (16 bits) More...

uint16_t	lan9370ReadSwitchReg16 (NetInterface *interface, uint16_t address)
	Read switch register (16 bits) More...

void	lan9370WriteSwitchReg32 (NetInterface *interface, uint16_t address, uint32_t data)
	Write switch register (32 bits) More...

uint32_t	lan9370ReadSwitchReg32 (NetInterface *interface, uint16_t address)
	Read switch register (32 bits) More...

Variables
const SwitchDriver	lan9370SwitchDriver
	LAN9370 Ethernet switch driver. More...

const uint16_t	lan9370IngressTailTag [5]
	Tail tag rules (host to LAN9370) More...

Detailed Description

LAN9370 5-port 100Base-T1 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 lan9370_driver.c.

Macro Definition Documentation

◆ TRACE_LEVEL

#define TRACE_LEVEL NIC_TRACE_LEVEL

Definition at line 32 of file lan9370_driver.c.

Function Documentation

◆ lan9370AddStaticFdbEntry()

error_t lan9370AddStaticFdbEntry	(	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 959 of file lan9370_driver.c.

◆ lan9370DeleteStaticFdbEntry()

error_t lan9370DeleteStaticFdbEntry	(	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 1080 of file lan9370_driver.c.

◆ lan9370DisableIrq()

void lan9370DisableIrq ( NetInterface * interface )

Disable interrupts.

Parameters

[in] interface Underlying network interface

Definition at line 319 of file lan9370_driver.c.

◆ lan9370DumpPhyReg()

void lan9370DumpPhyReg	(	NetInterface *	interface,
		uint8_t	port
	)

Dump PHY registers for debugging purpose.

Parameters

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

Definition at line 1594 of file lan9370_driver.c.

◆ lan9370EnableIgmpSnooping()

void lan9370EnableIgmpSnooping	(	NetInterface *	interface,
		bool_t	enable
	)

Enable IGMP snooping.

Parameters

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

Definition at line 870 of file lan9370_driver.c.

◆ lan9370EnableIrq()

void lan9370EnableIrq ( NetInterface * interface )

Enable interrupts.

Parameters

[in] interface Underlying network interface

Definition at line 309 of file lan9370_driver.c.

◆ lan9370EnableMldSnooping()

void lan9370EnableMldSnooping	(	NetInterface *	interface,
		bool_t	enable
	)

Enable MLD snooping.

Parameters

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

Definition at line 900 of file lan9370_driver.c.

◆ lan9370EnableRsvdMcastTable()

void lan9370EnableRsvdMcastTable	(	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 930 of file lan9370_driver.c.

◆ lan9370EventHandler()

void lan9370EventHandler ( NetInterface * interface )

LAN9370 event handler.

Parameters

[in] interface Underlying network interface

Definition at line 329 of file lan9370_driver.c.

◆ lan9370FlushDynamicFdbTable()

void lan9370FlushDynamicFdbTable	(	NetInterface *	interface,
		uint8_t	port
	)

Flush dynamic MAC table.

Parameters

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

Definition at line 1405 of file lan9370_driver.c.

◆ lan9370FlushStaticFdbTable()

void lan9370FlushStaticFdbTable ( NetInterface * interface )

Flush static MAC table.

Parameters

[in] interface Underlying network interface

Definition at line 1256 of file lan9370_driver.c.

◆ lan9370GetDuplexMode()

NicDuplexMode lan9370GetDuplexMode	(	NetInterface *	interface,
		uint8_t	port
	)

Get duplex mode.

Parameters

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

Returns: Duplex mode

Definition at line 672 of file lan9370_driver.c.

◆ lan9370GetDynamicFdbEntry()

error_t lan9370GetDynamicFdbEntry	(	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 1304 of file lan9370_driver.c.

◆ lan9370GetLinkSpeed()

uint32_t lan9370GetLinkSpeed	(	NetInterface *	interface,
		uint8_t	port
	)

Get link speed.

Parameters

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

Returns: Link speed

Definition at line 599 of file lan9370_driver.c.

◆ lan9370GetLinkState()

bool_t lan9370GetLinkState	(	NetInterface *	interface,
		uint8_t	port
	)

Get link state.

Parameters

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

Returns: Link state

Definition at line 565 of file lan9370_driver.c.

◆ lan9370GetPortState()

SwitchPortState lan9370GetPortState	(	NetInterface *	interface,
		uint8_t	port
	)

Get port state.

Parameters

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

Returns: Port state

Definition at line 782 of file lan9370_driver.c.

◆ lan9370GetStaticFdbEntry()

error_t lan9370GetStaticFdbEntry	(	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 1159 of file lan9370_driver.c.

◆ lan9370Init()

error_t lan9370Init ( NetInterface * interface )

LAN9370 Ethernet switch initialization.

Parameters

[in] interface Underlying network interface

Returns: Error code

Definition at line 97 of file lan9370_driver.c.

◆ lan9370InitHook()

__weak_func void lan9370InitHook ( NetInterface * interface )

LAN9370 custom configuration.

Parameters

[in] interface Underlying network interface

Definition at line 229 of file lan9370_driver.c.

◆ lan9370ReadExtReg()

uint16_t lan9370ReadExtReg	(	NetInterface *	interface,
		uint8_t	port,
		uint8_t	bank,
		uint8_t	addr
	)

Read extended register.

Parameters

[in]	interface	Underlying network interface
[in]	port	Port number
[in]	bank	Register bank
[in]	addr	Register address

Returns: Extended register value

Definition at line 1649 of file lan9370_driver.c.

◆ lan9370ReadPhyReg()

uint16_t lan9370ReadPhyReg	(	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 1544 of file lan9370_driver.c.

◆ lan9370ReadSwitchReg16()

uint16_t lan9370ReadSwitchReg16	(	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 1810 of file lan9370_driver.c.

◆ lan9370ReadSwitchReg32()

uint32_t lan9370ReadSwitchReg32	(	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 1904 of file lan9370_driver.c.

◆ lan9370ReadSwitchReg8()

uint8_t lan9370ReadSwitchReg8	(	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 1719 of file lan9370_driver.c.

◆ lan9370SetAgingTime()

void lan9370SetAgingTime	(	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 845 of file lan9370_driver.c.

◆ lan9370SetPortState()

void lan9370SetPortState	(	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 726 of file lan9370_driver.c.

◆ lan9370SetUnknownMcastFwdPorts()

void lan9370SetUnknownMcastFwdPorts	(	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 1452 of file lan9370_driver.c.

◆ lan9370TagFrame()

error_t lan9370TagFrame	(	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 454 of file lan9370_driver.c.

◆ lan9370Tick()

void lan9370Tick ( NetInterface * interface )

LAN9370 timer handler.

Parameters

[in] interface Underlying network interface

Definition at line 239 of file lan9370_driver.c.

◆ lan9370UntagFrame()

error_t lan9370UntagFrame	(	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 513 of file lan9370_driver.c.

◆ lan9370WriteExtReg()

void lan9370WriteExtReg	(	NetInterface *	interface,
		uint8_t	port,
		uint8_t	bank,
		uint8_t	addr,
		uint16_t	data
	)

Write extended register.

Parameters

[in]	interface	Underlying network interface
[in]	port	Port number
[in]	bank	Register bank
[in]	addr	Register address
[in]	data	Extended register value

Definition at line 1620 of file lan9370_driver.c.

◆ lan9370WritePhyReg()

void lan9370WritePhyReg	(	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 1497 of file lan9370_driver.c.

◆ lan9370WriteSwitchReg16()

void lan9370WriteSwitchReg16	(	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 1766 of file lan9370_driver.c.

◆ lan9370WriteSwitchReg32()

void lan9370WriteSwitchReg32	(	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 1858 of file lan9370_driver.c.

◆ lan9370WriteSwitchReg8()

void lan9370WriteSwitchReg8	(	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 1676 of file lan9370_driver.c.

Variable Documentation

◆ lan9370IngressTailTag

const uint16_t lan9370IngressTailTag[5]

Initial value:

=
{
   HTONS(LAN9370_TAIL_TAG_VALID | LAN9370_TAIL_TAG_NORMAL_ADDR_LOOKUP),
   HTONS(LAN9370_TAIL_TAG_VALID | LAN9370_TAIL_TAG_PORT_BLOCKING_OVERRIDE |
      LAN9370_TAIL_TAG_DEST_PORT1),
   HTONS(LAN9370_TAIL_TAG_VALID | LAN9370_TAIL_TAG_PORT_BLOCKING_OVERRIDE |
      LAN9370_TAIL_TAG_DEST_PORT2),
   HTONS(LAN9370_TAIL_TAG_VALID | LAN9370_TAIL_TAG_PORT_BLOCKING_OVERRIDE |
      LAN9370_TAIL_TAG_DEST_PORT3),
   HTONS(LAN9370_TAIL_TAG_VALID | LAN9370_TAIL_TAG_PORT_BLOCKING_OVERRIDE |
      LAN9370_TAIL_TAG_DEST_PORT4)
}

Tail tag rules (host to LAN9370)

Definition at line 77 of file lan9370_driver.c.

◆ lan9370SwitchDriver

const SwitchDriver lan9370SwitchDriver

Initial value:

LAN9370 Ethernet switch driver.

Definition at line 45 of file lan9370_driver.c.

Macros

Functions

Variables

Detailed Description

License

Macro Definition Documentation

◆ TRACE_LEVEL

Function Documentation

◆ lan9370AddStaticFdbEntry()

◆ lan9370DeleteStaticFdbEntry()

◆ lan9370DisableIrq()

◆ lan9370DumpPhyReg()

◆ lan9370EnableIgmpSnooping()

◆ lan9370EnableIrq()

◆ lan9370EnableMldSnooping()

◆ lan9370EnableRsvdMcastTable()

◆ lan9370EventHandler()

◆ lan9370FlushDynamicFdbTable()

◆ lan9370FlushStaticFdbTable()

◆ lan9370GetDuplexMode()

◆ lan9370GetDynamicFdbEntry()

◆ lan9370GetLinkSpeed()

◆ lan9370GetLinkState()

◆ lan9370GetPortState()

◆ lan9370GetStaticFdbEntry()

◆ lan9370Init()

◆ lan9370InitHook()

◆ lan9370ReadExtReg()

◆ lan9370ReadPhyReg()

◆ lan9370ReadSwitchReg16()

◆ lan9370ReadSwitchReg32()

◆ lan9370ReadSwitchReg8()

◆ lan9370SetAgingTime()

◆ lan9370SetPortState()

◆ lan9370SetUnknownMcastFwdPorts()

◆ lan9370TagFrame()

◆ lan9370Tick()

◆ lan9370UntagFrame()

◆ lan9370WriteExtReg()

◆ lan9370WritePhyReg()

◆ lan9370WriteSwitchReg16()

◆ lan9370WriteSwitchReg32()

◆ lan9370WriteSwitchReg8()

Variable Documentation

◆ lan9370IngressTailTag

◆ lan9370SwitchDriver