Janusz Dziedzic <janusz.dziedzic@xxxxxxxxx> writes:
> Add set_bitrate_mask callback. Currently
> ath10k HW is limited to handle only single
> fixed rate setting or limit number of used
> spatial streams.
>
> Example:
> iw wlanX set bitrates legacy-5 ht-mcs-5 vht-mcs-5 2:9
> will setup VHT, nss=2, mcs=9
>
> iw wlanX set bitrates legacy-5 18 ht-mcs-5 vht-mcs-5
> will setup legacy, 18Mbps
>
> iw wlanX set bitrates legacy-5 ht-mcs-5 3 vht-mcs-5
> will setup HT, nss=1, mcs=3
>
> iw wlanX set bitrate legacy-5 ht-mcs-5 vht-mcs-5 1:0-9
> will setup nss=1
>
> iw wlanX set bitrate legacy-5 ht-mcs-5 vht-mcs-5 1:0-9 2:0-9
> will setup nss=2
>
> Signed-off-by: Janusz Dziedzic <janusz.dziedzic@xxxxxxxxx>
I see a new warning with this patch:
ath10k/mac.c:3593:52: error: unknown field name in initializer
> Depends on, nl80211: add VHT support for set_bitrate_mask
Good, I need to always know this. I now merged wireless-next to ath-next
to get the dependency included.
> --- a/drivers/net/wireless/ath/ath10k/wmi.h
> +++ b/drivers/net/wireless/ath/ath10k/wmi.h
> @@ -3003,6 +3003,24 @@ struct wmi_vdev_install_key_arg {
> const void *key_data;
> };
>
> +/*
> + * CCK: 0 - 11Mbps, 1 - 5,5Mbps, 2 - 2Mbps, 3 - 1Mbps,
> + * 4 - 11Mbps (s), 5 - 5,5Mbps (s), 6 - 2Mbps (s)
> + * OFDM: 0 - 48Mbps, 1 - 24Mbps, 2 - 12Mbps, 3 - 6Mbps,
> + * 4 - 54Mbps, 5 - 36Mbps, 6 - 18Mbps, 7 - 9Mbps
> + * HT/VHT: MCS index
> + */
> +struct wmi_vdev_fixed_rate {
> + union {
> + u8 rate;
> + struct {
> + u8 preamble:2, /* %WMI_RATE_PREAMBLE_ */
> + nss:2,
> + rate_mcs:4; /* see above */
> + } __packed;
> + } __packed;
> +} __packed;
Bitfields are frowned upon in kernel, better to use SM() and MS().
--
Kalle Valo
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