Using switch to extend number of network ports in host processor

Question

We are currently using the ADIN6310 switch as a way to expand the number of network ports in our existing embedded Linux product as well as utilise some of the high level features to off load these from our main processor. 
 I am currently using Logical Mac groups as well as adding an entry into the static table for each of the mac groups to let all mac addresses pass through (passing 00:00:00:00:00:00 in MAC address mask) the specific network port and adding a tag on ingress. 
 These features seem to be targeting L2 traffic however for our use case we would like to use these features for L3 traffic also. 
 This is currently working for both L2 and L3 traffic and I have validated with basic network packets (Ethernet & IP) however have not yet done extensive testing. There is no documentation outlining this and I was just wondering if this is an expected use case for this switch and if there are any other features I could be utilising for this? 
 Thank you.

Karl.O · Accepted Answer

Hi Harrison, 
 I've attached an example configuration. 
 This approach is similar to what you mentioned about adding a static table entry and passing 0s in the address mask. 
 In the example, traffic ingressing on Port 1 or Port 2 is set to be forwarded to the link port (Port 0) with a tail tag. 
 
 int main(int argc, char* argv[])
{
	printf("
--START--
");
	int32_t rv = SES_PORT_ERROR;
	rv = SES_Initialize();
	rv = SES_FirmwareCheck();

	Sleep(5000); // Wait for PHYs to link up

	memcpy(&logicalMacConfig1.logicalMac, logicalMac1, 6);
	logicalMacConfig1.portMap = 0x01 | 0x02; // Port 0 and Port 1
	logicalMacConfig1.deviceLinkPort = 0; // Link Port - Port 0
	logicalMacConfig1.rxLogicalMacCallback = NULL;
	rv = SES_AddLogicalMac(&logicalMacConfig1, &logicalMacReturns1);
	printf("Added Logical MAC 1 : %d
", rv);

	memcpy(&logicalMacConfig2.logicalMac, logicalMac2, 6);
	logicalMacConfig2.portMap = 0x01 | 0x04; // Port 0 and Port 2
	logicalMacConfig2.deviceLinkPort = 0; // Link Port - Port 0
	logicalMacConfig2.rxLogicalMacCallback = NULL;
	rv = SES_AddLogicalMac(&logicalMacConfig2, &logicalMacReturns2);
	printf("Added Logical MAC 2 : %d
", rv);

	uint8_t macAddr[6] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; //sample mac address
 uint8_t macMask[6] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; //wildcard mask

	rv = SES_AddStaticTableEntryEx(0, // lookup priority
 &macAddr, // mac address
 &macMask, // mac mask
 SES_DYNTBL_NO_VLAN, // vlan id
 SES_DYNTBL_VLAN_EXACT_MATCH, // vlan mask
 0, // source entry
 0, // override
 0, // source override
 0, // hsr prp supervisory
 SES_dynamicTblLookupBasic, // lookup type
 0x01, // port map
 0, // send to ae
 0, // danp
 0, // cut through -> store and forward operation
 0, // synt timestamp
 0, // local timestamp
 dynamicTblSequenceGeneration, // sequencemgmt
 0, // rx sequence set
 logicalMacReturns1.txPrpXformIndex, // transmit filter
 SES_IGNORE_FIELD, // receive filter
 NULL); // index*
	printf("Added Static Table Entry : %d
", rv);

	printf("
--END--
");

	while(1) {

	}
	return(0);
} 
 Let me know if you'd like more details on the setup. 
 Regards, 
 Karl)

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Using switch to extend number of network ports in host processor

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