Re: [mpls-linux-general] MPLS and 802.11e
Status: Beta
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jleu
From: Luca P. <luc...@li...> - 2008-06-05 08:22:57
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Do you mean it could be that MadWifi driver doesn't "understand" the meaning of the packet's fields but only extracts them with some kind of fixed-size masks? Jeremy Jackson ha scritto: > I think MadWifi driver has it's own mapping policy, which might make it > more difficult. I think it should be configurable, like vlan skb_prio > -> vlan priority mapping, but maybe it's not yet. > > You should look at the wireless driver code. > > On Wed, 2008-06-04 at 11:35 +0200, luc...@li... wrote: > >> Hello, I'm still working with MPLS over WiFi. >> I'm trying to enable wireless QoS >> extensions (802.11e) together with MPLS, but it seems not to succeed in >> classifying the flows once they are encapsulated in MPLS. >> I try to explain: >> 802.11e does a matching between the DSCP field of IP header and a class (Access >> Category) . >> When I send a flow with MPLS, if I sniff the traffic with wireshark >> I can see the DSCP field correctly written, but the wireless QoS information do >> not match with the right class. >> Otherwise, if I send the same flow without >> MPLS, everything works fine. >> > > > . > > |