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Add tracking of MAXCMDSN

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This commit is contained in:
Ronnie Sahlberg
2012-08-02 09:09:22 +10:00
parent 439f68e555
commit 71be26ad03
4 changed files with 42 additions and 8 deletions
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16
lib/login.c
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@@ -970,7 +970,7 @@ int
iscsi_process_login_reply(struct iscsi_context *iscsi, struct iscsi_pdu *pdu,
struct iscsi_in_pdu *in)
{
int status;
uint32_t status, maxcmdsn;
char *ptr = (char *)in->data;
int size = in->data_pos;
@@ -978,6 +978,11 @@ iscsi_process_login_reply(struct iscsi_context *iscsi, struct iscsi_pdu *pdu,
iscsi->statsn = ntohs(*(uint16_t *)&in->hdr[24]);
maxcmdsn = ntohl(*(uint32_t *)&in->hdr[32]);
if (maxcmdsn > iscsi->maxcmdsn) {
iscsi->maxcmdsn = maxcmdsn;
}
/* XXX here we should parse the data returned in case the target
* renegotiated some some parameters.
* we should also do proper handshaking if the target is not yet
@@ -1161,8 +1166,15 @@ iscsi_logout_async(struct iscsi_context *iscsi, iscsi_command_cb cb,
int
iscsi_process_logout_reply(struct iscsi_context *iscsi, struct iscsi_pdu *pdu,
struct iscsi_in_pdu *in _U_)
struct iscsi_in_pdu *in)
{
uint32_t maxcmdsn;
maxcmdsn = ntohl(*(uint32_t *)&in->hdr[32]);
if (maxcmdsn > iscsi->maxcmdsn) {
iscsi->maxcmdsn = maxcmdsn;
}
iscsi->is_loggedin = 0;
pdu->callback(iscsi, SCSI_STATUS_GOOD, NULL, pdu->private_data);