Reliable Transfer

rtx_buffer_struct

this struct contains all necessary data for retransmissions and processing of received SACKs

rtx_reset_bytecounters

after submitting results from a SACK to flowcontrol, the counters in reliable transfer must be reset

rtx_new_reltransfer

function creates and allocs new rtx_buffer structure.

rtx_delete_reltransfer

function deletes a rtx_buffer structure (when it is not needed anymore)

rtx_rtt_update

helper function that calls pm_chunksAcked() and tells path management, if new chunks have been acked, and new RTT may be guessed

rtx_sort_tsn

helper function for sorting list of chunks in tsn order

rtx_dequeue_up_to

Function takes out chunks up to ctsna, updates newly acked bytes

rtx_process_sack

this is called by bundling, when a SACK needs to be processed.

rtx_t3_timeout

called from flow-control to trigger retransmission of chunks that have previously been sent to the address that timed out.

rtx_update_retrans_chunks

a function called by FlowCtrl, when chunk has been given to the bundling instance, but is already contained in the reliable transfer list.

rtx_save_retrans_chunks

a function called by FlowCtrl, when chunks have been given to the bundling instance, but need to be kept in the buffer until acknowledged

chunk_list_debug

output debug messages for the list of saved chunks

rtx_readLocalTSNacked

function that returns the consecutive tsn number that has been acked by the peer.

rtx_restart_reliable_transfer

called, when a Cookie, that indicates the peer's restart, is received in the ESTABLISHED state -> we need to restart too

rtx_readNumberOfUnackedChunks

Function returns the number of chunks that are waiting in the queue to be acked

rtx_read_remote_receiver_window

function to return the last a_rwnd value we got from our peer

rtx_set_remote_receiver_window

function to set the a_rwnd value when we got it from our peer

rtx_shutdown

function that is called by SCTP-Control, when ULP requests shutdown in an established association

rtx_rcv_shutdown_ctsna

function that is called by SCTP-Control, when peer indicates shutdown and sends us his last ctsnathis function dequeues all chunks, and returns the number of chunks left in the queue

Alphabetic index Hierarchy of classes