On 5/31/2017 9:33 AM, Matej Vido wrote: > On 29.05.2017 14:41, Ferruh Yigit wrote: >> On 5/26/2017 7:05 PM, Matej Vido wrote: >>> This is to prepare for firmwares with multiple ibufs and obufs. >>> Offsets of ibufs and obufs are defined in array. >> I was thinking ibufs and obufs as queues, but since link functions >> updated per ibufs it looks like ports, can you please provide some >> information what is ibufs and obufs? >> >> What is the benefit of having multiple ibufs and obufs? > Hi Ferruh, > > ibufs and obufs are the modules in FPGA firmware implementing the > Ethernet port (MAC layer, to be exact). There is one ibuf+obuf per > Ethernet port. Our cards and firmwares allow one 100GE physical port to > be one Ethernet port, or split into 10 ports of 10GE. However, all DMA > queues in the device are shared between all Ethernet ports. Packet from > any port can be passed by crossbar logic to any DMA queue (and from any > DMA queue to any port).
Thank you for clarification. > > Regards, > Matej >> >>> Functions which operate on ibufs and obufs iterate over this array. >>> >>> Signed-off-by: Matej Vido <v...@cesnet.cz> >> <...> >
