[RFC v1] mac80211: Add support for per station rx stats histogram

Johannes Berg johannes at sipsolutions.net
Tue Mar 8 00:07:31 PST 2016


On Mon, 2016-03-07 at 21:53 +0530, Mohammed Shafi Shajakhan wrote:
> 
> +#define IEEE80211_HT_MCS_NUM		32
> +#define IEEE80211_VHT_MCS_NUM		10
> +#define IEEE80211_BW_NUM		4
> +#define IEEE80211_NSS_NUM		4
> +#define IEEE80211_GI_NUM		2
> +#define IEEE80211_RATE_TABLE_NUM	320
> +#define IEEE80211_LEGACY_RATE_NUM	12

> +#ifdef CONFIG_MAC80211_DEBUG_PER_STA_RX_STATS
> +	u64 rx_legacy_pkt[IEEE80211_LEGACY_RATE_NUM];
> +	u64 rx_ht_pkt[IEEE80211_HT_MCS_NUM];
> +	u64 rx_vht_pkt[IEEE80211_VHT_MCS_NUM];
> +	u64 rx_bw_pkt[IEEE80211_BW_NUM];
> +	u64 rx_nss_pkt[IEEE80211_NSS_NUM];
> +	u64 rx_gi_pkt[IEEE80211_GI_NUM];
> +	u64 rx_rate_pkt[IEEE80211_RATE_TABLE_NUM];
> +	u64 rx_legacy_byte[IEEE80211_LEGACY_RATE_NUM];
> +	u64 rx_ht_byte[IEEE80211_HT_MCS_NUM];
> +	u64 rx_vht_byte[IEEE80211_VHT_MCS_NUM];
> +	u64 rx_bw_byte[IEEE80211_BW_NUM];
> +	u64 rx_nss_byte[IEEE80211_NSS_NUM];
> +	u64 rx_gi_byte[IEEE80211_GI_NUM];
> +	u64 rx_rate_byte[IEEE80211_RATE_TABLE_NUM];
> +#endif

Do you know how much data this is?!

Felix is going to kill both of us if I apply it.

Please look at reviving my rate-statistics patch and do the remaining
work in userspace:

http://thread.gmane.org/gmane.linux.kernel.wireless.general/133172

johannes



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