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* lib, ipcp: Revise fast path and flow interfacesdimitri staessens2016-10-041-6/+6
| | | | | | | | | | | | IPCPs can now use ap_init() to initialize the memory. All flows are accessed using flow descriptors, this greatly simplifies IPCP development. Reverts the fast path to a single ap_rbuff per process. Splits lib/ipcp into irmd/ipcp and lib/ipcp-dev. Adds a lib/shim-dev holding tailored functions for shims. Moves the buffer_t to utils.h. Fixes the shim-eth-llc length field. Removes the flow from shared.h. Fixes #4 Fixes #5
* ipcpd: normal: Add initial steps for N+1 flow allocationSander Vrijders2016-08-231-2/+10
| | | | | | | | | | | This adds the initial framework for flow allocation between two N+1 endpoints. The FMGR will receive flow allocation requests and will create a connection as a result, addressed to the right address, it will also pass a flow allocation message to this address. Upon receipt on the other side, the FMGR will be receive a flow allocation message and a pointer to a new connection. The FMGR can then accept or destroy the connection. This commit also introduces the RMT function, which is needed by the FRCT to forward its SDUs on the right file descriptor.
* ipcpd: normal: Allow initiating enrollmentSander Vrijders2016-08-011-3/+0
| | | | | | | This will add more functionality for enrolling two normal IPCPs with each other. Some bugs were fixed in CDAP. Now on enrolling, an IPCP will send a START message to the other IPCP. Next step is syncing the RIBs.
* ipcpd: normal: Establish N-1 management flowsSander Vrijders2016-07-141-1/+7
| | | | | | | | | This adds the intial implementation of establishing management N-1 flows between normal IPCPs. On calling fmgr_mgmt_flow, a management flow will be setup to a certain destination IPCP. After flow allocation, the fd is handed to the RIB manager. The flow manager also listens for incoming flow requests. In case they are management flows, they are handed to the RIB manager, otherwise to the FRCT.
* ipcpd: Add initial headers for the normal IPCPSander Vrijders2016-07-121-0/+52
This adds the initial headers for the normal IPCP. The normal IPCP consists of 3 main components: * The flow manager, in charge of managing N and N-1 flows. * The RIB manager, in charge of managing the RIB * FRCT: The flow and retransmission control task