Fibre Channel Fabric Accept Login - Seagate SAVVIO ST9450404FC Product Manual

9.1.9

Fibre Channel fabric accept login

Table 13 lists the required content of the Fabric Login Accept (ACC) payload from the fabric.
Table 13: 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
Savvio 10K.4 FC Product Manual, Rev. A
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
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
47