Other Parts Discussed in Thread: SYSBIOS
Hi,
I read section A.16 of spru524h "Virtual LAN (VLAN) Support", There is an example of how to create a VLAn device with a spcific ID, and how to map user priority to vlan priorities through a socket. I don't understand how the brand new created VLAN device is coupled with the socket in the example.
In my use case I would like to have different TCP sockets having different VID. How can I do that?
Since I use the CPSW (working drivers ported from Linux) I tried with this:
AddNetifEntryFn(CPSW_NETIF_INIT (as in ethernetip adapter example from sdk)
//waiting for NDK to boot...
vlan_dev_index = VLANAddDevice (src_index /*cpsw index*/, vlan_id, def_priority, prio_mapping);
sockfd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
dwOptval = vlan_dev_index; //in return from VLANAddDevice
dwError = setsockopt (sockfd , SOL_SOCKET, SO_IFDEVICE, (char*) &dwOptval, sizeof (dwOptval));
But the socket configuration fails with -22 (invalid argument). Indeed it fails in SockSet at:
case SO_IFDEVICE:
{
HANDLE h;
/* Only DGRAM sockets can use the IFDEVICE option */
if( !(ps->StateFlags & SS_ADDR) || size != sizeof(uint) )
return( EINVAL );
This means I cannot use VLANs with TCP sockets?
Tools' versions:
1) Sysbios 6.35.4.50
2) NDK 2.22.3.20
3) CCS 6
Thank you!
Luca
