Jorge Almeida wrote: > Hi Jan > > I need to port a linux application that uses raw sockets > (socket( PF_PACKET, SOCK_RAW, htons(ETH_P_ALL));) > to a RTAI based aplication and for that i want to use RTnet. > My aplication uses the Sorce and Destination Address, and Protocol, to > identify the several frames that are in the network, and only care about some > of them. This application is to replace a very old system that uses an > Ethernet Network, in the link layer. That why i need all the frame returned, > and not only the paylod of each frame.
I see. SOCK_RAW should be implementable in the RTnet stack, I'm just hoping there are no tripwires left complicating this. > > I've readed the thread in the development that you indicate me, and i > understand that there are some dificulties implementing, not the SOCK_RAW but > the ETH_P_ALL (correct me if i'm wrong!). Maybe ETH_P_ALL for a single listener will be simple as well when catching the fall-through of this loop [1]. In contrast, multi-listeners would require to define and implement a sharing model for rtskbs first. > > I'm available to spend some time trying to implement the ETH_P_ALL and the > SOCKET_RAW features in Rtnet, if i have some help from you, especially > regarding the protocol specificities and some other issues that might appear > during the implementation phase. > You will receive it. Maybe Chris can jump on the train with his work as well. Jan [1]http://www.rts.uni-hannover.de/rtnet/lxr/source/stack/stack_mgr.c#L175
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