On 2021-03-23 04:01, Ben Greear wrote: > On 3/22/21 6:20 PM, Brian Norris wrote: >> On Mon, Mar 22, 2021 at 4:58 PM Ben Greear <greearb@xxxxxxxxxxxxxxx> 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 Maybe the NAPI/RX to a thread thing superceded Felix's patch? Yes, it did and it's in linux-next already. I sent the following change to make mt76 use it: https://github.com/nbd168/wireless/commit/1d4ff31437e5aaa999bd7a - Felix
