[PATCH] nl80211: Add support to disable CCK rate for p2p probe and frames

Guy Eilam guy at wizery.com
Mon Oct 3 04:13:29 EDT 2011


Rajkumar hello,

Isn't this patch should be an addition to your older patch that moves
the disable_11b_rates from the wpas_p2p_init() function to the
creation of a p2p interface?

This attribute isn't enough if the CCK rates are blindly disabled at
the initialization of the supplicant.

Guy.

On Sun, Oct 2, 2011 at 2:19 PM, Rajkumar Manoharan
<rmanohar at qca.qualcomm.com> wrote:
> Add a new attribute to specify whether to use CCK rate or not during
> scan and sending management frames. This helps to send p2p probes
> at non-CCK rate. This ensures that P2P probe request/response/action
> frames are awlays sent at non CCK rates.
>
> Signed-off-by: Rajkumar Manoharan <rmanohar at qca.qualcomm.com>
> ---
>  src/drivers/driver_nl80211.c |    4 ++++
>  1 files changed, 4 insertions(+), 0 deletions(-)
>
> diff --git a/src/drivers/driver_nl80211.c b/src/drivers/driver_nl80211.c
> index ec384c9..21047db 100644
> --- a/src/drivers/driver_nl80211.c
> +++ b/src/drivers/driver_nl80211.c
> @@ -2554,6 +2554,8 @@ static int wpa_driver_nl80211_scan(void *priv,
>                NLA_PUT(rates, NL80211_BAND_2GHZ, 8,
>                        "\x0c\x12\x18\x24\x30\x48\x60\x6c");
>                nla_put_nested(msg, NL80211_ATTR_SCAN_SUPP_RATES, rates);
> +
> +               NLA_PUT_FLAG(msg, NL80211_ATTR_TX_NO_CCK_RATE);
>        }
>
>        ret = send_and_recv_msgs(drv, msg, NULL, NULL);
> @@ -6564,6 +6566,8 @@ static int nl80211_send_frame_cmd(struct wpa_driver_nl80211_data *drv,
>        if (wait)
>                NLA_PUT_U32(msg, NL80211_ATTR_DURATION, wait);
>        NLA_PUT_FLAG(msg, NL80211_ATTR_OFFCHANNEL_TX_OK);
> +       NLA_PUT_FLAG(msg, NL80211_ATTR_TX_NO_CCK_RATE);
> +
>        NLA_PUT(msg, NL80211_ATTR_FRAME, buf_len, buf);
>
>        cookie = 0;
> --
> 1.7.6.4
>
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