Lets make wifi fast again!
 help / color / mirror / Atom feed
From: Johannes Berg <johannes@sipsolutions.net>
To: "Toke Høiland-Jørgensen" <toke@toke.dk>,
	make-wifi-fast@lists.bufferbloat.net,
	linux-wireless@vger.kernel.org
Subject: Re: [Make-wifi-fast] [PATCH v2] mac80211: Re-structure aqm debugfs output and include CoDel drops
Date: Mon, 12 Sep 2016 11:27:47 +0200	[thread overview]
Message-ID: <1473672467.4201.16.camel@sipsolutions.net> (raw)
In-Reply-To: <20160811151156.6485-1-toke@toke.dk> (sfid-20160811_171216_207117_5110F87B)


> --- a/net/mac80211/debugfs_sta.c
> +++ b/net/mac80211/debugfs_sta.c
> @@ -109,6 +109,48 @@ static ssize_t sta_last_seq_ctrl_read(struct
> file *file, char __user *userbuf,
>  }
>  STA_OPS(last_seq_ctrl);
>  
> +#define AQM_TXQ_ENTRY_LEN 130
> +
> +static ssize_t sta_aqm_read(struct file *file, char __user *userbuf,
> +			size_t count, loff_t *ppos)
> +{
> +	struct sta_info *sta = file->private_data;
> +	struct ieee80211_local *local = sta->local;
> +	char buf[AQM_TXQ_ENTRY_LEN*(IEEE80211_NUM_TIDS+1)], *p =
> buf;
> 
This is very large, I think you should dynamically allocate it.

johannes

  reply	other threads:[~2016-09-12  9:27 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-07-20 14:54 [Make-wifi-fast] [PATCH] mac80211: Keep CoDel stats per txq, export them in debugfs Toke Høiland-Jørgensen
2016-08-11 12:22 ` Johannes Berg
2016-08-11 12:34   ` Toke Høiland-Jørgensen
2016-08-11 15:11 ` [Make-wifi-fast] [PATCH v2] mac80211: Re-structure aqm debugfs output and include CoDel drops Toke Høiland-Jørgensen
2016-09-12  9:27   ` Johannes Berg [this message]
2016-09-12 13:55   ` [Make-wifi-fast] [PATCH v3] mac80211: Re-structure aqm debugfs output and keep CoDel stats per txq Toke Høiland-Jørgensen
2016-09-13  7:17     ` Johannes Berg

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

  List information: https://lists.bufferbloat.net/postorius/lists/make-wifi-fast.lists.bufferbloat.net/

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1473672467.4201.16.camel@sipsolutions.net \
    --to=johannes@sipsolutions.net \
    --cc=linux-wireless@vger.kernel.org \
    --cc=make-wifi-fast@lists.bufferbloat.net \
    --cc=toke@toke.dk \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox