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[altq 479] Re: Question about implementing FRED in altq (fwd)
thomas chin-chung to wrote:
> I sent the following email few months ago to ask for help. Right now,
> my implemented FRED has a problem, and I suspect that the problem is
> related to the questions I asked in the following email. Can someone
> please help me to answer the following questions ?
> Question: Is there a way I can retrieve the choesn packet's IP source and
> destination addressess from this mbuf structure ?
The flowvalve extension in altq_red.c does have a similar code that
keeps track of src&dst address pairs.
Take a look at flowlist_lookup() in altq_red.c. A pointer to the IP
header is passed in struct pr_hdr (defined in if_altq.h).