Hi Claudio,
> I need to work inside ieee80211_rx_h_sta_process as I have to
> perform stationwise stats and I have to catch all packets, also the
> ones that will be redirected to the BSS.
> I think that the problem arise because the pointer of the
> network_header is not correctly set.
> If I am not wrong, at this point of the receive path the skb should
> contain the 802.11 header as a first element, so I did
> skb_set_nework_header(skb,ieee80211_get_hdrlen_from_skb(skb)))
> I was supposing that after the MAC header there is the IP header... no
> ethernet header in between. Is this the case?
> Also doing
currently don't have much idea, need to poke into the code
> skb_set_nework_header(skb,ieee80211_get_hdrlen_from_skb(skb)+sizeof(struct(ethhdr)))
> does not work
> Does somebody have any hint?
> thank you
>
> Claudio
>
>
> 2012/3/8 Mohammed Shafi <shafi.wireless@xxxxxxxxx>:
>> On Thu, Mar 8, 2012 at 3:54 PM, Claudio Rossi
>> <rossi.claudio.82@xxxxxxxxx> wrote:
>>> Dear all,
>>> I would like to inspect the protocol type field from mac802.11, and
>>> specifically in rx.c in the function
>>>
>>> static ieee80211_rx_result debug_noinline
>>> ieee80211_rx_h_sta_process(struct ieee80211_rx_data *rx)
>>
>> may be you should do this stuff after ieee80211_deliver_skb in 1740, rx.c
>>
>> if (skb) {
>> /* deliver to local stack */
>> skb->protocol = eth_type_trans(skb, dev);
>> memset(skb->cb, 0, sizeof(skb->cb));
>> netif_receive_skb(skb);
>> }
>> }
>>
>>
>>>
>>> I was trying to do:
>>>
>>> struct iphdr * network_header;
>>> skb_set_network_header(skb,ieee80211_get_hdrlen_from_skb(skb));
>>> network_header = (struct iphdr *)skb_network_header(skb);
>>>
>>> if (network_header->protocol==IPPROTO_TCP){
>>> ...
>>> }
>>> but it does not seams to work....
>>>
>>> In status.c everything works fine when I do:
>>>
>>> struct iphdr * network_header;
>>>
>>> network_header = (struct iphdr *)skb_network_header(skb);
>>>
>>> if (network_header->protocol==IPPROTO_TCP){
>>> ...
>>> }
>>>
>>> the problem is how to correctly set the network header pointer in the
>>> skb in rx.c
>>> can somebody give me an hint?
>>>
>>>
>>> Thank you
>>>
>>> --
>>> Claudio Rossi
>>> -------------------
>>> Office @ PoliTO: +39 011 5644194
>>> --
>>> To unsubscribe from this list: send the line "unsubscribe linux-wireless" in
>>> the body of a message to majordomo@xxxxxxxxxxxxxxx
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>>
>>
>>
>> --
>> thanks,
>> shafi
>
>
>
> --
> Claudio Rossi
> -------------------
> Office @ PoliTO: +39 011 5644194
--
thanks,
shafi
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