Re: [PATCH 6/7] cfg80211: add debug print when processing a channel

["Luis R. Rodriguez" <lrodriguez@atheros.com>]

On Thu, Oct 21, 2010 at 02:02:54AM -0700, Luis Rodriguez wrote:
> On Thu, Oct 21, 2010 at 01:18:28AM -0700, Senthilkumar Balasubramanian wrote:
> > 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@atheros.com>
> > > Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
> > > ---
> > >  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 = &reg_rule->power_rule;
> > > +	freq_range = &reg_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.
> 
> Good catch. I'll fix in the AM.

BTW , feel free to fix my patches and resend :)

  Luis