On Fri, Nov 23, 2012 at 4:16 PM, Wojciech Dubowik
<Wojciech.Dubowik@xxxxxxxxxxx> wrote:
> As an exmaple of vendor specific data we can extract rssi
> and evm values for all the chains so one can see them on
> per packet basis. More can be added depending on the needs i.e.
> noise floor, Ness, STBC, key miss, etc.
> AtheorsC OUI is used in this example but it should be replaced
> by own when in use.
>
> Signed-off-by: Wojciech Dubowik <Wojciech.Dubowik@xxxxxxxxxxx>
> ---
> drivers/net/wireless/ath/ath9k/recv.c | 33 +++++++++++++++++++++++++++++++++
> 1 file changed, 33 insertions(+)
>
> diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
> index 6aafbb7..02c36c4 100644
> --- a/drivers/net/wireless/ath/ath9k/recv.c
> +++ b/drivers/net/wireless/ath/ath9k/recv.c
> @@ -1246,6 +1246,39 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush, bool hp)
> if ((ah->caps.hw_caps & ATH9K_HW_CAP_ANT_DIV_COMB) && sc->ant_rx == 3)
> ath_ant_comb_scan(sc, &rs);
>
> +#if 0
please remove ifdefs .
> + /*TODO: Replace oui and vendor sub namespace with valid data
> + * and add/remove fields below
> + */
> + if( skb_headroom(skb) > 22 ) {
> + int8_t* vendor_data;
we can use s8 ?
> +
> + vendor_data = skb_push(skb, 22);
> +
> + rxs->vendor_radiotap_len = 22;
> + rxs->vendor_radiotap_align = 4;
> + rxs->vendor_radiotap_oui[0] = 0x0;
> + rxs->vendor_radiotap_oui[1] = 0x3;
> + rxs->vendor_radiotap_oui[2] = 0x7f;
> + rxs->vendor_radiotap_subns = 0;
> + rxs->vendor_radiotap_bitmap = 0x00000001;
> +
> + /* count bytes below and put it as the length*/
> + *vendor_data++ = rs.rs_rssi;
> + *vendor_data++ = rs.rs_rssi_ctl0;
> + *vendor_data++ = rs.rs_rssi_ctl1;
> + *vendor_data++ = rs.rs_rssi_ctl2;
> + put_unaligned_le32(rs.evm0, vendor_data);
> + vendor_data += 4;
> + put_unaligned_le32(rs.evm1, vendor_data);
> + vendor_data += 4;
> + put_unaligned_le32(rs.evm2, vendor_data);
> + vendor_data += 4;
> + put_unaligned_le32(rs.evm3, vendor_data);
> + vendor_data += 4;
> + put_unaligned_le16(rs.evm4, vendor_data);
> + }
> +#endif
would be nice check this stuff in sniffer.
> ieee80211_rx(hw, skb);
>
> requeue_drop_frag:
> --
> 1.7.10.4
>
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--
thanks,
shafi
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