From 1e3a9e464cbb2f02c057e9f63c1f270ff27530f4 Mon Sep 17 00:00:00 2001 From: Dimitri Staessens Date: Sun, 20 Sep 2020 13:04:52 +0200 Subject: lib: Complete retransmission logic This completes the retransmission (automated repeat-request, ARQ) logic, sending (delayed) ACK messages when needed. On deallocation, flows will ACK try to retransmit any remaining unacknowledged messages (unless the FRCTFLINGER flag is turned off; this is on by default). Applications can safely shut down as soon as everything is ACK'd (i.e. the current Delta-t run is done). The activity timeout is now passed to the IPCP for it to sleep before completing deallocation (and releasing the flow_id). That should be moved to the IRMd in due time. The timerwheel is revised to be multi-level to reduce memory consumption. The resolution bumps by a factor of 1 << RXMQ_BUMP (16) and each level has RXMQ_SLOTS (1 << 8) slots. The lowest level has a resolution of (1 << RXMQ_RES) (20) ns, which is roughly a millisecond. Currently, 3 levels are defined, so the largest delay we can schedule at each level is: Level 0: 256ms Level 1: 4s Level 2: about a minute. Signed-off-by: Dimitri Staessens Signed-off-by: Sander Vrijders --- src/lib/ipcpd_messages.proto | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'src/lib/ipcpd_messages.proto') diff --git a/src/lib/ipcpd_messages.proto b/src/lib/ipcpd_messages.proto index b0efe9ab..809117b8 100644 --- a/src/lib/ipcpd_messages.proto +++ b/src/lib/ipcpd_messages.proto @@ -52,5 +52,6 @@ message ipcp_msg { optional layer_info_msg layer_info = 9; optional int32 response = 10; optional string comp = 11; - optional int32 result = 12; + optional uint32 timeo_sec = 12; + optional int32 result = 13; }; -- cgit v1.2.3