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From: Kalle Valo <kvalo@codeaurora.org>
To: John Crispin <john@phrozen.org>
Cc: ath11k@lists.infradead.org,
	Shashidhar Lakkavalli <slakkavalli@datto.com>
Subject: Re: [PATCH V4 1/5] ath11k: move phymode selection from function to array lookup
Date: Mon, 13 May 2019 17:26:54 +0300	[thread overview]
Message-ID: <87tvdyig5t.fsf@kamboji.qca.qualcomm.com> (raw)
In-Reply-To: <20190509201550.3977-2-john@phrozen.org> (John Crispin's message of "Thu, 9 May 2019 22:15:46 +0200")

John Crispin <john@phrozen.org> writes:

> With HE support getting added, the approach of using functions will quickly
> get convoluted. Change the code to use an array lookup function instead.
>
> Signed-off-by: Shashidhar Lakkavalli <slakkavalli@datto.com>
> Signed-off-by: John Crispin <john@phrozen.org>
> ---
>  drivers/net/wireless/ath/ath11k/mac.c | 116 +++++++++++++++-------------------
>  include/uapi/linux/nl80211.h          |   4 ++
>  2 files changed, 56 insertions(+), 64 deletions(-)
>
> diff --git a/drivers/net/wireless/ath/ath11k/mac.c b/drivers/net/wireless/ath/ath11k/mac.c
> index 94a87d0fb08e..cd7fb9a13639 100644
> --- a/drivers/net/wireless/ath/ath11k/mac.c
> +++ b/drivers/net/wireless/ath/ath11k/mac.c
> @@ -105,6 +105,51 @@ static struct ieee80211_rate ath11k_legacy_rates[] = {
>  	{ .bitrate = 540, .hw_value = ATH11K_HW_RATE_OFDM_54M },
>  };
>  
> +static int ath11k_phymodes[NUM_NL80211_BANDS][2][__NL80211_CHAN_WIDTH_NUM] = {

static const?

> @@ -3889,7 +3872,12 @@ ath11k_mac_vdev_start_restart(struct ath11k_vif *arvif,
>  	arg.channel.freq = chandef->chan->center_freq;
>  	arg.channel.band_center_freq1 = chandef->center_freq1;
>  	arg.channel.band_center_freq2 = chandef->center_freq2;
> -	arg.channel.mode = chan_to_phymode(chandef);
> +	arg.channel.mode =
> +		ath11k_phymodes[chandef->chan->band][he_support][chandef->width];
> +	if (arg.channel.mode == MODE_11G &&
> +	    chandef->chan->flags & IEEE80211_CHAN_NO_OFDM)
> +		arg.channel.mode = MODE_11B;
> +	WARN_ON(arg.channel.mode == MODE_UNKNOWN);

What happens when mode is MODE_UNKNOWN? Should we assign some default
value after the warning message?

-- 
Kalle Valo

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  reply	other threads:[~2019-05-13 14:27 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-09 20:15 [PATCH V4 0/5] ath11k: add HE support John Crispin
2019-05-09 20:15 ` [PATCH V4 1/5] ath11k: move phymode selection from function to array lookup John Crispin
2019-05-13 14:26   ` Kalle Valo [this message]
2019-05-15  9:39     ` John Crispin
2019-05-13 17:07   ` Kalle Valo
2019-05-09 20:15 ` [PATCH V4 2/5] ath11k: add HE handling to the debug code John Crispin
2019-05-09 20:15 ` [PATCH V4 3/5] ath11k: extend reading of FW capabilities John Crispin
2019-05-09 20:15 ` [PATCH V4 4/5] ath11k: handle rx status for HE frames John Crispin
2019-05-13 14:28   ` Kalle Valo
2019-05-09 20:15 ` [PATCH V4 5/5] ath11k: add HE support John Crispin

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