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Documented login parameters that we negotiate.

This commit is contained in:
Michael Brown 2006-05-19 00:31:42 +00:00
parent a280587cde
commit c69c1ec540

View File

@ -249,7 +249,30 @@ static void iscsi_tx_data_out ( struct iscsi_session *iscsi ) {
* @v iscsi iSCSI session
*
* These are the initial set of strings sent in the first login
* request PDU.
* request PDU. We want the following settings:
*
* HeaderDigest=None
* DataDigest=None
* MaxConnections is irrelevant; we make only one connection anyway
* InitialR2T=Yes (default) [1]
* ImmediateData is irrelevant; we never send immediate data
* MaxRecvDataSegmentLength=8192 (default)
* MaxBurstLength=262144 (default)
* FirstBurstLength=262144 (default)
* DefaultTime2Wait=0 [2]
* DefaultTime2Retain=0 [2]
* MaxOutstandingR2T=1 (default)
* DataPDUInOrder=Yes (default)
* DataSequenceInOrder=Yes (default)
* ErrorRecoveryLevel=0 (default)
*
* [1] InitialR2T has an OR resolution function, so the target may
* force us to use it. We therefore simplify our logic by always
* using it.
*
* [2] These ensure that we can safely start a new task once we have
* reconnected after a failure, without having to manually tidy up
* after the old one.
*/
static int iscsi_build_login_request_strings ( struct iscsi_session *iscsi,
void *data, size_t len ) {