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Re: [Freeipmi-devel] Using libfreeipmi interface
From: |
Ian Zimmerman |
Subject: |
Re: [Freeipmi-devel] Using libfreeipmi interface |
Date: |
28 Oct 2004 18:00:03 -0700 |
User-agent: |
Gnus/5.09 (Gnus v5.9.0) Emacs/21.3 |
Andrew> I also found a problem with the IPMI_LAN_SEQ_NUM_MAX (=0x3F).
Andrew> There isn't any precedent in IPMI 1.5 for this, and limiting the
Andrew> 32- bitsequence number to 6 bits causes some problems, since the
Andrew> BMC LAN won't handle wrapping the sequence number back to 0 or 1
Andrew> after 63 (0x3f).
Al> I'm not quite convinced this is a problem. The bounds check makes
Al> the user knowledgeable to the fact that arbitrary sequence numbers
Al> aren't allowed. I spoke to a few other developers I work with, and
Al> they feel that the bounds checking is more appropriate. Ab, Ian,
Al> Bala, what are your thoughts??
Ian> Hmm, where is the sequence number field specified? The closest I
Ian> see is Figure 12-4 which is unfortunately quite unclear (to me at
Ian> least). It doesn't say how many bits are taken by the LUN and how
Ian> many by Rqseq. How have we come by tmpl_lan_msg_hdr_r[sq] - by
Ian> experiment?
Sorry for replying to myself :-) Regardless of the spec, just the fact
that the number is going to be stuffed into a 6 bit field justifies the
check, IMHO.
- [Freeipmi-devel] Using libfreeipmi interface, Cress, Andrew R, 2004/10/25
- Re: [Freeipmi-devel] Using libfreeipmi interface, Albert Chu, 2004/10/25
- RE: [Freeipmi-devel] Using libfreeipmi interface, Cress, Andrew R, 2004/10/27
- RE: [Freeipmi-devel] Using libfreeipmi interface, Cress, Andrew R, 2004/10/27
- Re: RE: [Freeipmi-devel] Using libfreeipmi interface, Albert Chu, 2004/10/28
- RE: RE: [Freeipmi-devel] Using libfreeipmi interface, Cress, Andrew R, 2004/10/28
- Re: RE: RE: [Freeipmi-devel] Using libfreeipmi interface, Albert Chu, 2004/10/28
- Re: [Freeipmi-devel] Using libfreeipmi interface, Albert Chu, 2004/10/28
- RE: RE: RE: [Freeipmi-devel] Using libfreeipmi interface, Cress, Andrew R, 2004/10/29
- RE: [Freeipmi-devel] Using libfreeipmi interface, Cress, Andrew R, 2004/10/29
- RE: [Freeipmi-devel] Using libfreeipmi interface, Cress, Andrew R, 2004/10/29
- Re: RE: RE: RE: [Freeipmi-devel] Using libfreeipmi interface, Albert Chu, 2004/10/29