Cheetah 73LP FC Product Manual, Rev. D
39
9.1.9
Fibre Channel fabric accept login
Table 10 lists the required content of the Fabric Login Accept (ACC) payload from the fabric.
Table 11:
Fabric Login Accept (ACC) payload
Bytes
0-15
02
00
00
00
XX
XX
BB
BB
CF
XX
FS
FS
R_
A_
T0
V_
Common
16-31
E_
D_
T0
V_
PN
PN
PN
PN
PN
PN
PN
PN
NN
NN
NN
NN
32-35
NN
NN
NN
NN
36-47
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
Class 1
48-51
XX
XX
XX
XX
52-63
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
Class 2
64-67
XX
XX
XX
XX
68-79
SO
SO
xx
xx
XX
XX
FS
FS
XX
xx
XX
XX
Class 3
80-83
OS
OS
XX
XX
84-95
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
Reserved
96-99
XX
XX
XX
XX
100-111
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
Vendor -
112-115
XX
XX
XX
XX
Version
X
Indicates a four-bit (hex) field is not checked.
x
Indicates a single bit is not checked.
BB
BB-Credit. This field is not checked. The FC-AL drive uses BB-Credit of zero (0).
CF
Common features. This binary field selects the common features requested by the fabric login.
MSB
Continuously increasing offset
x
Random relative offset
x
Valid version level
x
N_Port/F_Port
Must = 1, F_Port
Alternate credit model
Must = 1
Other bits reserved
xxx XX
FS
Receive buffer field size. The FS field in the common and Class 3 parameters is checked for the range 128 < FS < 2,112 and a
multiple of four bytes. The receive buffer field size in the Class 3 parameters is used. The drive uses the lower FS of Fabric Login
Accept or N_Port Login when sending frames to an initiator.
PN
Port Name. The fabric port name is saved with the login parameters. If a change of the port name is detected during a FAN, an
implicit logout occurs and a LS_RJT is returned to the fabric.
NN
Node Name. The drive does not check or save the node name.
SO
Service Options—Class 3 only.
MSB
Class valid
Must = 1
Intermix
x
Stacked connection req.
xx
Sequential delivery
Must = 1
Other bits reserved
xxx XX
Summary of Contents for Cheetah 73LP FC ST336605FC
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