Fibre Channel Fabric Accept Login - Seagate Cheetah 15K.6 FC ST3146356FC Product Manual

9.1.9

Fibre Channel fabric accept login

Table 17 lists the required content of the Fabric Login Accept (ACC) payload from the fabric.
Table 17: Fabric Login Accept (ACC) payload
Bytes
0-15 02 00 00
16-31 E_ D_ T0
32-35 NN NN NN
36-47
48-51 XX XX XX
52-63
64-67 XX XX XX
68-79
80-83 OS OS XX
84-95
96-99 XX XX XX
100-111
112-115 XX XX XX
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
Random relative offset
Valid version level
N_Port/F_Port
Alternate credit model
Other bits reserved
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
Intermix
Stacked connection req.
Sequential delivery
Other bits reserved
56
00 09 09 BB BB
V_ PN PN PN PN
NN
XX XX XX XX
XX
XX XX XX XX
XX
SO SO xx xx
XX
XX XX XX XX
XX
XX XX XX XX
XX
x
x
x
Must = 1, F_Port
Must = 1
xxx XX
Must = 1
x
xx
Must = 1
xxx XX
CF XX FS FS R_
PN PN PN PN NN
XX XX XX XX XX
XX XX XX XX XX
XX XX FS FS XX
XX XX XX XX XX
XX XX XX XX XX
Cheetah 15K.6 FC Product Manual, Rev. C
A_ T0 V_ Common
NN NN NN
XX XX XX Class 1
XX XX XX Class 2
xx XX XX Class 3
XX XX XX Reserved
XX XX XX Vendor -
Version