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From: Johannes Berg <johannes@sipsolutions.net>
To: vamsi krishna <vamsin@codeaurora.org>
Cc: linux-wireless@vger.kernel.org, jouni@codeaurora.org
Subject: Re: [PATCH] nl80211/cfg80211: Add support to send tx frames at specified rate
Date: Tue, 18 Dec 2018 14:12:23 +0100	[thread overview]
Message-ID: <89e6532daf4011de2ad0df3dcb8accc42334f31e.camel@sipsolutions.net> (raw)
In-Reply-To: <1543838646-3574-1-git-send-email-vamsin@codeaurora.org>

On Mon, 2018-12-03 at 17:34 +0530, vamsi krishna wrote:
> NL80211_CMD_FRAME is used to send frames from userspace. Add support to
> transmit the frames at a rate specified by userspace when needed.
> The drivers shall indicate the support to send frames at rate specified
> by userspace by setting %NL80211_EXT_FEATURE_CMD_FRAME_TXRATE flag in
> wiphy capabilities. The userspace can specify the rate within
> %NL80211_ATTR_RATE_INFO attribute while sending %NL80211_CMD_FRAME.
> 
> NL80211_ATTR_RATE_INFO is a nested attribute and encapsulates the
> attributes defined in &enum nl80211_rate_info.

It'd be good if you were to repost this with a driver that uses it.

Also, please explain why you think userspace needs this? It's not like
it can make better rate decisions than the rate control algorithm,
right?

>  	[NL80211_ATTR_SCHED_SCAN_MIN_RSSI] = { .type = NLA_NESTED },
> +	[NL80211_ATTR_RATE_INFO] = { .type = NLA_NESTED },

This should use NLA_POLICY_NESTED(nl80211_rate_info_policy)

johannes


  reply	other threads:[~2018-12-18 13:12 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-12-03 12:04 [PATCH] nl80211/cfg80211: Add support to send tx frames at specified rate vamsi krishna
2018-12-18 13:12 ` Johannes Berg [this message]
2018-12-18 13:45   ` Ben Greear
2019-01-08 17:22     ` [PATCH v2] nl80211/cfg80211: Add support to send tx packet specific params vamsi krishna
2019-01-25 12:48       ` Johannes Berg
2019-01-08 17:49     ` [PATCH] nl80211/cfg80211: Add support to send tx frames at specified rate vamsin
2019-01-08 20:21       ` Ben Greear
2019-01-15 13:13       ` Johannes Berg
2019-01-15 13:18         ` Ben Greear

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