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login negotiation and session/conn reinstatment

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This commit is contained in:
Le Zhang
2016-11-30 00:42:18 +08:00
parent fd52b81c51
commit bb67ec66c7
7 changed files with 623 additions and 229 deletions
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pkg/port/iscsit/cmd.go
+6 -5
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@@ -81,7 +81,7 @@ type ISCSICommand struct {
// Continue bit.
Cont bool
// Current Stage, Next Stage.
CSG, NSG Stage
CSG, NSG iSCSILoginStage
// Initiator part of the SSID.
ISID uint64
// Target-assigned Session Identifying Handle.
@@ -214,8 +214,8 @@ func parseHeader(data []byte) (*ISCSICommand, error) {
// rfc7143 11.12.2
return nil, fmt.Errorf("transit and continue bits set in same login request")
}
m.CSG = Stage(data[1]&0xc) >> 2
m.NSG = Stage(data[1] & 0x3)
m.CSG = iSCSILoginStage(data[1]&0xc) >> 2
m.NSG = iSCSILoginStage(data[1] & 0x3)
m.ISID = uint64(ParseUint(data[8:14]))
m.TSIH = uint16(ParseUint(data[14:16]))
m.ConnID = uint16(ParseUint(data[20:22]))
@@ -228,8 +228,8 @@ func parseHeader(data []byte) (*ISCSICommand, error) {
// rfc7143 11.12.2
return nil, fmt.Errorf("transit and continue bits set in same login request")
}
m.CSG = Stage(data[1]&0xc) >> 2
m.NSG = Stage(data[1] & 0x3)
m.CSG = iSCSILoginStage(data[1]&0xc) >> 2
m.NSG = iSCSILoginStage(data[1] & 0x3)
m.StatSN = uint32(ParseUint(data[24:28]))
m.ExpCmdSN = uint32(ParseUint(data[28:32]))
m.MaxCmdSN = uint32(ParseUint(data[32:36]))
@@ -421,6 +421,7 @@ func (m *ISCSICommand) scsiTMFRespBytes() []byte {
}
func (m *ISCSICommand) r2tRespBytes() []byte {
// rfc7143 11.8
buf := &bytes.Buffer{}
buf.WriteByte(byte(OpReady))