On Wed, Oct 20, 2010 at 10:48:58PM +0530, Luis R. Rodriguez wrote:
> In the worst case you are seeing really odd things you want
> more information than what is provided right now, for those
> that insist and want debug info through CONFIG_CFG80211_REG_DEBUG
> provide a print of when we are processing a channel and with what
> regulatory rule.
>
> Cc: Easwar Krishnan <easwar.krishnan@xxxxxxxxxxx>
> Signed-off-by: Luis R. Rodriguez <lrodriguez@xxxxxxxxxxx>
> ---
> net/wireless/reg.c | 40 ++++++++++++++++++++++++++++++++++++++++
> 1 files changed, 40 insertions(+), 0 deletions(-)
>
> diff --git a/net/wireless/reg.c b/net/wireless/reg.c
> index 62396b2..f0ff146 100644
> --- a/net/wireless/reg.c
> +++ b/net/wireless/reg.c
> @@ -728,6 +728,42 @@ static const char *reg_initiator_name(enum nl80211_reg_initiator initiator)
> }
> }
>
> +#ifdef CONFIG_CFG80211_REG_DEBUG
> +
> +static void chan_reg_rule_print_dbg(struct ieee80211_channel *chan,
> + u32 desired_bw_khz,
> + const struct ieee80211_reg_rule *reg_rule)
> +{
> + const struct ieee80211_power_rule *power_rule;
> + const struct ieee80211_freq_range *freq_range;
> + char max_antenna_gain[32];
> +
> + power_rule = ®_rule->power_rule;
> + freq_range = ®_rule->freq_range;
> +
> + if (!power_rule->max_antenna_gain)
> + snprintf(max_antenna_gain, 32, "N/A");
> + else
> + snprintf(max_antenna_gain, 32, "%d", power_rule->max_antenna_gain);
> +
> + REG_DBG_PRINT("cfg80211: Updating information on frequency %d MHz "
> + "for %d a MHz width channel with regulatory rule:\n",
> + chan->center_freq,
> + KHZ_TO_MHZ(desired_bw_khz));
> +
> + REG_DBG_PRINT("cfg80211: %d KHz - %d KHz @ KHz), (%s mBi, %d mBm)\n",
> + freq_range->start_freq_khz,
> + freq_range->end_freq_khz,
> + max_antenna_gain,
> + power_rule->max_eirp);
> +}
> +#else
> +static void reg_reg_rule_print_dbg(const struct ieee80211_reg_rule *reg_rule)
This will break compilation. Function name and arguments needs to be fixed here.
> +{
> + return;
> +}
> +#endif
> +
> /*
> * Note that right now we assume the desired channel bandwidth
> * is always 20 MHz for each individual channel (HT40 uses 20 MHz
> @@ -788,6 +824,8 @@ static void handle_channel(struct wiphy *wiphy,
> return;
> }
>
> + chan_reg_rule_print_dbg(chan, desired_bw_khz, reg_rule);
> +
> power_rule = ®_rule->power_rule;
> freq_range = ®_rule->freq_range;
>
> @@ -1132,6 +1170,8 @@ static void handle_channel_custom(struct wiphy *wiphy,
> return;
> }
>
> + chan_reg_rule_print_dbg(chan, desired_bw_khz, reg_rule);
> +
> power_rule = ®_rule->power_rule;
> freq_range = ®_rule->freq_range;
>
> --
> 1.7.0.4
>
> --
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