On Mon, Feb 15, 2010 at 12:34 AM, Benoit Papillault
<benoit.papilla...@free.fr> wrote:
> Without this patch, monitor mode does not returns all frames. With this patch,
> the performance are quite poor if we create a monitor interface. Note :
> creating a monitor interface with the "cook" flag has no impact on
> performance.
>
> Signed-off-by: Benoit Papillault <benoit.papilla...@free.fr>
> ---
> drivers/net/wireless/zd1211rw/zd_mac.c | 20 +++++++++++++++++++-
> 1 files changed, 19 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/net/wireless/zd1211rw/zd_mac.c
> b/drivers/net/wireless/zd1211rw/zd_mac.c
> index 2d555cc..9cb6cbc 100644
> --- a/drivers/net/wireless/zd1211rw/zd_mac.c
> +++ b/drivers/net/wireless/zd1211rw/zd_mac.c
> @@ -904,8 +904,26 @@ static int zd_op_config(struct ieee80211_hw *hw, u32
> changed)
> {
> struct zd_mac *mac = zd_hw_mac(hw);
> struct ieee80211_conf *conf = &hw->conf;
> + int ret;
>
> - return zd_chip_set_channel(&mac->chip, conf->channel->hw_value);
> + if (changed & IEEE80211_CONF_CHANGE_MONITOR) {
> + /*
> + * Warning : enabling this register kills RX & TX
> + * performance
> + */
> + u32 cr_sniffer = !!(conf->flags & IEEE80211_CONF_MONITOR);
> + ret = zd_iowrite32(&mac->chip, CR_SNIFFER_ON, cr_sniffer);
> + if (!ret)
> + return ret;
Your logic is the wrong way around. You should return if nonzero, not if zero.
> + }
> +
> + if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
> + ret = zd_chip_set_channel(&mac->chip,
> conf->channel->hw_value);
> + if (!ret)
> + return ret;
> + }
> +
> + return 0;
> }
>
> static void zd_process_intr(struct work_struct *work)
> --
> 1.5.6.5
>
> --
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