From: Ben Greear <greearb@candelatech.com>
To: Brian Norris <briannorris@chromium.org>
Cc: Felix Fietkau <nbd@nbd.name>,
Johannes Berg <johannes@sipsolutions.net>,
Rajkumar Manoharan <rmanohar@codeaurora.org>,
Rakesh Pillai <pillair@codeaurora.org>,
ath10k <ath10k@lists.infradead.org>,
linux-wireless <linux-wireless@vger.kernel.org>,
Linux Kernel <linux-kernel@vger.kernel.org>,
Kalle Valo <kvalo@codeaurora.org>,
"David S. Miller" <davem@davemloft.net>,
Jakub Kicinski <kuba@kernel.org>,
netdev@vger.kernel.org, Doug Anderson <dianders@chromium.org>,
Evan Green <evgreen@chromium.org>
Subject: Re: [RFC 2/7] ath10k: Add support to process rx packet in thread
Date: Mon, 22 Mar 2021 20:01:25 -0700 [thread overview]
Message-ID: <47d8be60-14ce-0223-bdf3-c34dc2451945@candelatech.com> (raw)
In-Reply-To: <CA+ASDXOotYHmtqOvSwBES6_95bnbAbEu6F7gQ5TjacJWUKdaPw@mail.gmail.com>
On 3/22/21 6:20 PM, Brian Norris wrote:
> On Mon, Mar 22, 2021 at 4:58 PM Ben Greear <greearb@candelatech.com> wrote:
>> On 7/22/20 6:00 AM, Felix Fietkau wrote:
>>> On 2020-07-22 14:55, Johannes Berg wrote:
>>>> On Wed, 2020-07-22 at 14:27 +0200, Felix Fietkau wrote:
>>>>
>>>>> I'm considering testing a different approach (with mt76 initially):
>>>>> - Add a mac80211 rx function that puts processed skbs into a list
>>>>> instead of handing them to the network stack directly.
>>>>
>>>> Would this be *after* all the mac80211 processing, i.e. in place of the
>>>> rx-up-to-stack?
>>> Yes, it would run all the rx handlers normally and then put the
>>> resulting skbs into a list instead of calling netif_receive_skb or
>>> napi_gro_frags.
>>
>> Whatever came of this? I realized I'm running Felix's patch since his mt76
>> driver needs it. Any chance it will go upstream?
>
> If you're asking about $subject (moving NAPI/RX to a thread), this
> landed upstream recently:
> http://git.kernel.org/linus/adbb4fb028452b1b0488a1a7b66ab856cdf20715
>
> It needs a bit of coaxing to work on a WiFi driver (including: WiFi
> drivers tend to have a different netdev for NAPI than they expose to
> /sys/class/net/), but it's there.
>
> I'm not sure if people had something else in mind in the stuff you're
> quoting though.
No, I got it confused with something Felix did:
https://github.com/greearb/mt76/blob/master/patches/0001-net-add-support-for-threaded-NAPI-polling.patch
Maybe the NAPI/RX to a thread thing superceded Felix's patch?
Thanks,
Ben
>
> Brian
>
--
Ben Greear <greearb@candelatech.com>
Candela Technologies Inc http://www.candelatech.com
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next prev parent reply other threads:[~2021-03-23 3:02 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-21 17:14 [RFC 0/7] Add support to process rx packets in thread Rakesh Pillai
2020-07-21 17:14 ` [RFC 1/7] mac80211: Add check for napi handle before WARN_ON Rakesh Pillai
2020-07-22 12:56 ` Johannes Berg
2020-07-23 18:26 ` Rakesh Pillai
2020-07-23 20:06 ` Johannes Berg
2020-07-24 6:21 ` Rakesh Pillai
2020-07-26 16:19 ` Rakesh Pillai
2020-07-30 12:40 ` Johannes Berg
2020-07-21 17:14 ` [RFC 2/7] ath10k: Add support to process rx packet in thread Rakesh Pillai
2020-07-21 21:53 ` Rajkumar Manoharan
2020-07-22 12:27 ` Felix Fietkau
2020-07-22 12:55 ` Johannes Berg
2020-07-22 13:00 ` Felix Fietkau
2020-07-23 6:09 ` Rajkumar Manoharan
2021-03-22 23:57 ` Ben Greear
2021-03-23 1:20 ` Brian Norris
2021-03-23 3:01 ` Ben Greear [this message]
2021-03-23 7:45 ` Felix Fietkau
2021-03-25 9:45 ` Rakesh Pillai
2021-03-25 10:33 ` Felix Fietkau
2020-07-23 18:25 ` Rakesh Pillai
2020-07-24 23:11 ` Jacob Keller
2020-07-21 17:14 ` [RFC 3/7] ath10k: Add module param to enable rx thread Rakesh Pillai
2020-07-21 17:14 ` [RFC 4/7] ath10k: Do not exhaust budget on process tx completion Rakesh Pillai
2020-07-21 17:14 ` [RFC 5/7] ath10k: Handle the rx packet processing in thread Rakesh Pillai
2020-07-21 17:14 ` [RFC 6/7] ath10k: Add deliver to stack from thread context Rakesh Pillai
2020-07-21 17:14 ` [RFC 7/7] ath10k: Handle rx thread suspend and resume Rakesh Pillai
2020-07-23 23:06 ` Sebastian Gottschall
2020-07-24 6:19 ` Rakesh Pillai
2020-07-21 17:25 ` [RFC 0/7] Add support to process rx packets in thread Andrew Lunn
2020-07-21 18:05 ` Florian Fainelli
2020-07-23 18:21 ` Rakesh Pillai
2020-07-23 19:02 ` Florian Fainelli
2020-07-24 6:20 ` Rakesh Pillai
2020-07-24 22:28 ` Florian Fainelli
2020-07-22 9:12 ` David Laight
2020-07-25 8:16 ` Hillf Danton
2020-07-25 10:38 ` Sebastian Gottschall
2020-07-25 12:25 ` Hillf Danton
2020-07-25 14:08 ` Sebastian Gottschall
2020-07-25 14:57 ` Hillf Danton
2020-07-25 15:41 ` Sebastian Gottschall
2020-07-26 11:16 ` David Laight
2020-07-28 16:59 ` Rakesh Pillai
2020-07-29 1:34 ` Hillf Danton
2020-07-25 17:57 ` Felix Fietkau
2020-07-26 1:22 ` Hillf Danton
2020-07-26 8:10 ` Felix Fietkau
2020-07-26 8:32 ` Hillf Danton
2020-07-26 8:59 ` Felix Fietkau
2020-07-22 16:20 ` Jakub Kicinski
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