On Fri, 2011-05-06 at 15:28 -0700, Javier Cardona wrote:
> >> This fixes routing loops in PREP propagation and is in accordance with Draft
> >> 11, Section: 11C.9.8.4.
> >
> >> +++ b/net/mac80211/mesh_hwmp.c
> >> @@ -391,7 +391,6 @@ static u32 hwmp_route_info_get(struct ieee80211_sub_if_data *sdata,
> >> (mpath->flags & MESH_PATH_SN_VALID)) {
> >> if (SN_GT(mpath->sn, orig_sn) ||
> >> (mpath->sn == orig_sn &&
> >> - action == MPATH_PREQ &&
> >
> > I don't understand how removing the action comparison maps to the patch
> > description -- can you explain a bit more?
>
> If the if condition is true, this PREQ or PREP will be ignored. The
> first part of the condition eliminates old sequence numbers, where the
> metric is not checked. The second part of the if condidion (||
> (mpath->sn == ...) used to eliminate all the PREQs with equal seq
> number and worse metric. The patch modifies it to also eliminate
> PREPs.
Ah. Thanks for the explanation, guess I shouldn't be trying to read this
after midnight :-)
johannes
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