103 Packets  section in Packet Transport Layer
106 Packets are the fundamental transmission unit of the SSH protocol. They are
109 Packets to be transmitted by the SSAM core are represented via |ssh_packet|
110 (in contrast, packets received by the core do not have any specific
157 respective packets based on the packet type (major) and number of tries
160 All packets to be transmitted by the transport layer must be submitted to
161 this queue via |ssh_ptl_submit|. Note that this includes control packets
162 sent by the transport layer itself. Internally, data packets can be
163 re-submitted to this queue due to timeouts or NAK packets sent by the EC.
169 packet transport layer. It stores references to packets that have already
175 re-submission, packets are not removed from the pending set.
192 Transmission of sequenced packets is limited by the number of concurrently
193 pending packets, i.e. a limit on how many packets may be waiting for an ACK
196 this). Control packets (i.e. ACK and NAK) can always be transmitted.
205 validation error or invalid data NAK) packets for the received messages.
209 well as initiating re-submission of all currently pending packets on
223 packets, started when the respective packet begins (re-)transmission (i.e.
230 work item then checks the set of pending packets for any packets that have
231 exceeded the timeout and, if there are any remaining packets, re-schedules
244 timing out packets, and will never fully block.
292 of the packet transport layer. It deals with requests, i.e. SSH packets sent
303 Requests are packets with a command-type payload, sent from host to EC to
377 pending set of the packet transport layer does for packets).
435 progress, even if only through timing out packets, and never fully block.
469 take care of transmitting and handling packets and requests, the controller