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Add negotiation of IFMarker, OFMarker and MaxConnections during login

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This commit is contained in:
Ronnie Sahlberg
2011-01-01 12:42:48 +11:00
parent ec252d78f8
commit 6947502759
1 changed files with 78 additions and 0 deletions
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78
lib/login.c
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@@ -348,6 +348,66 @@ iscsi_login_add_defaulttime2retain(struct iscsi_context *iscsi, struct iscsi_pdu
return 0;
}
static int
iscsi_login_add_ifmarker(struct iscsi_context *iscsi, struct iscsi_pdu *pdu)
{
char *str;
/* We only send IFMarker during opneg */
if (iscsi->current_phase != ISCSI_PDU_LOGIN_CSG_OPNEG) {
return 0;
}
str = (char *)"IFMarker=No";
if (iscsi_pdu_add_data(iscsi, pdu, (unsigned char *)str, strlen(str)+1)
!= 0) {
iscsi_set_error(iscsi, "Out-of-memory: pdu add data failed.");
return -1;
}
return 0;
}
static int
iscsi_login_add_ofmarker(struct iscsi_context *iscsi, struct iscsi_pdu *pdu)
{
char *str;
/* We only send OFMarker during opneg */
if (iscsi->current_phase != ISCSI_PDU_LOGIN_CSG_OPNEG) {
return 0;
}
str = (char *)"OFMarker=No";
if (iscsi_pdu_add_data(iscsi, pdu, (unsigned char *)str, strlen(str)+1)
!= 0) {
iscsi_set_error(iscsi, "Out-of-memory: pdu add data failed.");
return -1;
}
return 0;
}
static int
iscsi_login_add_maxconnections(struct iscsi_context *iscsi, struct iscsi_pdu *pdu)
{
char *str;
/* We only send MaxConnections during opneg */
if (iscsi->current_phase != ISCSI_PDU_LOGIN_CSG_OPNEG) {
return 0;
}
str = (char *)"MaxConnections=1";
if (iscsi_pdu_add_data(iscsi, pdu, (unsigned char *)str, strlen(str)+1)
!= 0) {
iscsi_set_error(iscsi, "Out-of-memory: pdu add data failed.");
return -1;
}
return 0;
}
static int
iscsi_login_add_maxoutstandingr2t(struct iscsi_context *iscsi, struct iscsi_pdu *pdu)
{
@@ -735,6 +795,24 @@ iscsi_login_async(struct iscsi_context *iscsi, iscsi_command_cb cb,
return -1;
}
/* ifmarker */
if (iscsi_login_add_ifmarker(iscsi, pdu) != 0) {
iscsi_free_pdu(iscsi, pdu);
return -1;
}
/* ofmarker */
if (iscsi_login_add_ofmarker(iscsi, pdu) != 0) {
iscsi_free_pdu(iscsi, pdu);
return -1;
}
/* maxconnections */
if (iscsi_login_add_maxconnections(iscsi, pdu) != 0) {
iscsi_free_pdu(iscsi, pdu);
return -1;
}
/* max recv data segment length */
if (iscsi_login_add_maxrecvdatasegmentlength(iscsi, pdu) != 0) {
iscsi_free_pdu(iscsi, pdu);