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login: implicitly set statsn

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RFC3720 10.13.4. states that the statsn should explicitly set with
the first Login Repsonse. In theory the target could choose a StatSN
that is not greater than iscsi->statsn (zero at start) in Serial32
arithmetic.

Signed-off-by: Peter Lieven <pl@kamp.de>
This commit is contained in:
Peter Lieven
2015-03-30 11:50:04 +02:00
parent 79246def9d
commit 395ca12746
1 changed files with 7 additions and 1 deletions
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8
lib/login.c
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@@ -1045,7 +1045,13 @@ iscsi_process_login_reply(struct iscsi_context *iscsi, struct iscsi_pdu *pdu,
status = scsi_get_uint16(&in->hdr[36]); status = scsi_get_uint16(&in->hdr[36]);
iscsi_adjust_statsn(iscsi, in); // Status-Class is 0
if (!(status >> 8)) {
if (!iscsi->current_phase && !iscsi->secneg_phase) {
iscsi->statsn = scsi_get_uint32(&in->hdr[24]);
}
iscsi_adjust_statsn(iscsi, in);
}
iscsi_adjust_maxexpcmdsn(iscsi, in); iscsi_adjust_maxexpcmdsn(iscsi, in);
/* Using bidirectional CHAP? Then we must see a chap_n and chap_r /* Using bidirectional CHAP? Then we must see a chap_n and chap_r