On Fri, Jan 26, 2007 at 04:42:41PM -0500, Vlad Yasevich wrote:
> Neil Horman wrote:
> > On Fri, Jan 26, 2007 at 03:28:40PM -0500, Vlad Yasevich wrote:
> >> Hi Neil
> >>
> >> Neil Horman wrote:
> >>> On Fri, Jan 26, 2007 at 09:13:31AM +0900, YOSHIFUJI Hideaki / 吉藤英明 wrote:
> >>>> In article <[EMAIL PROTECTED]> (at Thu, 25 Jan 2007 14:45:00 -0500), 
> >>>> Neil Horman <[EMAIL PROTECTED]> says:
> >>>
> >>> New patch attached with most of your suggestions incorporated.  I've a few
> >>> comments mixed in for some of the suggestions that I think need further
> >>> discussion
> >>>
> >>>> If optimistic_dad is disabled, flags should be IFA_F_TEMPORARY,
> >>>> not IFA_F_TEMPORARY|IFA_F_OPTIMISTIC.
> >>>>
> >>>> Another idea is to use IFA_F_OPTIMISTIC not
> >>>> IFA_F_OPTIMISTIC|IFA_F_TENTATIVE until the DAD has been finished.
> >>>>
> >>> I'm currently setting the OPTIMISTIC flag in every location that its 
> >>> possibly
> >>> needed, and then clearing it in addrconf_dad_start if that interface is 
> >>> not
> >>> participating in optimistic dad.  I do this because the RFC in section 3.1
> >>> indicates that manually configured addresses should not set the 
> >>> optimistic flag.
> >>> If I removed the OPTIMISTIC flag from the locations it gets set in the 
> >>> patch and
> >>> then only set it for participating interfaces in addrconf_dad_start, I 
> >>> would
> >>> need to have some way to tell if the address in question was manually 
> >>> configured
> >>> (to avoid setting it in that case).  At present I see no clear way to do 
> >>> that,
> >>> but if you have a suggestion, I'll happily change this around.
> >> One suggestiong/question:
> >>
> >> Instead of clearing the OPTIMISTIC flag in addrconf_dad_start(), wouldn't 
> >> it be better
> >> to simply not set the flag in ipv6_add_addr()?  Just mask that flag from 
> >> the 'flags'
> >> argument passed to that function when conditions are right.
> >>
> > Doh!  Sometimes I don't just think straight.  Yes, as long as ipv6_add_addr 
> > is
> > only for adding static addresses (which it pretty clearly is), that would 
> > work
> > much better.  I'll fix it up and repost on monday.
> > 
> > Don't suppose you have any thoughts on how to solve the "send to default 
> > router"
> > problem, do you?
> > 
> 
> Still trying to figure how the routing side works. sorry....
> 
> -vlad
I've got your flag changes made, but I'm holding off on reposting for a bit.
Dave M. just gave me some advice on how best to handle the default router case.
Trying to understand the routing code and integrate that before I repost.

Thanks
Neil

-
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to [EMAIL PROTECTED]
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to