Datasheet

Fibre Channel Interface
1-98 C141-C008
Table 1.27 Detail errors and action (2/2)
Error Category Specific Error Seq Recp Action
6) Frame_control Errors n) Protocol Error
o) Incorrect length
p) Unexpected Link_Continue
q) Unexpected Link_Response
r) Login Required
s) Excessive Sequences attempted
t) Unable to Establish Exchange
u) RO out of bounds
2
2
2
2
2
2
2
2
7) Data Frame Errors c) Buffer not available – Class 3
e) missing frame error detected
1
13
Note:
The contents of Seq. Recp. Action for each error item are described for each item
number in Table 1.28, Action by recipient.
Table 1.28 Actions by recipient
No. Action
1 Discard policy
If an invalid frame is detected, the entire invalid frame shall be discarded.
2 If a valid frame is received and a rejectable or busy condition in Class 3 is detected, the
entire frame shall be discarded.
9 Abnormally terminate Sequence
When a Sequence Recipient detects a Sequence timeout and no Data frames are being
received for the Sequence, the Recipient shall terminate the Sequence and update the
Exchange Status Block.
11 Update LESB
The Link Error Status Block is updated to track errors not directly related to an
Exchange.
12 Perform loop failure Protocol
If a Loop failure occur, the L_Port which detects the failure shall issue LIP (F8,
AL_PS) if it has a valid AL_PA, or LIP (F8, F7) if it doesn’t.
13 Error Policy processing
When an error is detected within a Sequence, the Sequence is discarded (discard policy)