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netdev: add netdev_trigger_event_isr() function#13562

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kaspar030 merged 2 commits intoRIOT-OS:masterfrom
jia200x:pr/netdev_irq_end
Mar 6, 2020
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netdev: add netdev_trigger_event_isr() function#13562
kaspar030 merged 2 commits intoRIOT-OS:masterfrom
jia200x:pr/netdev_irq_end

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@jia200x jia200x commented Mar 5, 2020

Contribution description

This PR adds a netdev_irq_end function that wraps the dev->event_callback(dev, NETDEV_EVENT_ISR)call.

This is a step required in order to separate ISR signals from driver events (RX_DONE, TX_DONE), etc. This is useful when network stacks have different implementations of driver events but they use the same "recv thread".

I will introduce a netdev_event_thread module that redefines this function to use the event_thread module for handling device ISRs.

Testing procedure

This should be low hanging fruit. Check if netdev drivers still compile (at86rf2xx, ethos).
Running gnrc_networking on native should be enough to test functionality.

Issues/PRs references

None so far

@jia200x jia200x added Area: network Area: Networking Type: cleanup The issue proposes a clean-up / The PR cleans-up parts of the codebase / documentation labels Mar 5, 2020
@jia200x jia200x changed the title netdev: add netdev_event_irq function netdev: add netdev_irq_end function Mar 5, 2020
@jia200x jia200x mentioned this pull request Mar 5, 2020
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@bergzand bergzand added the CI: ready for build If set, CI server will compile all applications for all available boards for the labeled PR label Mar 6, 2020
bergzand
bergzand reviewed Mar 6, 2020
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drivers/include/net/netdev.h Outdated
/**
* @brief Informs netdev there was an interrupt request from the network device.
*
* This function calls @ref event_callback with NETDEV_EVENT_ISR event.
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The @ref event_callback is undefined here (see travis)

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Suggested change
* This function calls @ref event_callback with NETDEV_EVENT_ISR event.
* This function calls netdev_t::event_callback with NETDEV_EVENT_ISR event.

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bergzand commented Mar 6, 2020

There are a number of remaining calls in:

  • cpu/esp32/esp-eth/esp_eth_netdev.c
  • cpu/esp32/esp-wifi/esp_wifi_netdev.c
  • cpu/esp8266/esp-wifi/esp_wifi_netdev.c
  • cpu/nrf52/radio/nrf802154/nrf802154.c
  • cpu/nrf5x_common/radio/nrfmin/nrfmin.c

Is there a reason why these are omitted from the cleanup here? Or are they more complex and should they be handled in a follow-up?

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bergzand commented Mar 6, 2020

And please rebase :)

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jia200x commented Mar 6, 2020

There are a number of remaining calls in:

Oh, good catch! I don't know how I missed those. Thanks, I will add them

@jia200x jia200x force-pushed the pr/netdev_irq_end branch from 5e39d1a to 8b40aeb Compare March 6, 2020 09:13
@jia200x jia200x requested a review from a user March 6, 2020 09:13
@jia200x jia200x force-pushed the pr/netdev_irq_end branch from bb72276 to 701c7db Compare March 6, 2020 09:22
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jia200x commented Mar 6, 2020

done!

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bergzand commented Mar 6, 2020

Looks good, please squash!

@jia200x jia200x force-pushed the pr/netdev_irq_end branch from 701c7db to 3254435 Compare March 6, 2020 10:04
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jia200x commented Mar 6, 2020

squashed :)

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kaspar030 commented Mar 6, 2020 •
edited by jia200x
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Why end?

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jia200x commented Mar 6, 2020

Why end?

Hmmmm I named it like that because it should be called at the end of IRQ. But strictly speaking it could be called from anywhere during ISR.
Perhaps another name? netdev_event_isr?

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kaspar030 commented Mar 6, 2020 •
edited
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Perhaps another name? netdev_event_isr?

We're bikeshedding again, sorry. netdev_event_isr sounds good. Maybe netdev_trigger_event_isr?

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miri64 commented Mar 6, 2020

We're bikeshedding again, sorry. netdev_event_isr sounds good. Maybe netdev_trigger_event_isr?

I'd say, @jia200x renames it to one of either and squashes immediately. And then let's go with that.

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jia200x commented Mar 6, 2020

netdev_trigger_event_isr

I will rename it to that and squash immediately.

@jia200x jia200x force-pushed the pr/netdev_irq_end branch from 3254435 to 3e42fb7 Compare March 6, 2020 12:27
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jia200x commented Mar 6, 2020

done!

@kaspar030 kaspar030 changed the title netdev: add netdev_irq_end function netdev: add netdev_trigger_event_isr() function Mar 6, 2020
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kaspar030 commented Mar 6, 2020

done!

maybe fix the commit messages

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@jia200x jia200x force-pushed the pr/netdev_irq_end branch from 3e42fb7 to 3ad574a Compare March 6, 2020 13:04
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jia200x commented Mar 6, 2020

forgot that. Now it should be OK

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jia200x commented Mar 6, 2020

all green :)

kaspar030
kaspar030 approved these changes Mar 6, 2020
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ACK.

@kaspar030 kaspar030 merged commit 5798580 into RIOT-OS:master Mar 6, 2020
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jia200x commented Mar 6, 2020

thanks for the review guys!

@leandrolanzieri leandrolanzieri added this to the Release 2020.04 milestone Mar 13, 2020
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Area: network Area: Networking CI: ready for build If set, CI server will compile all applications for all available boards for the labeled PR Type: cleanup The issue proposes a clean-up / The PR cleans-up parts of the codebase / documentation

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