[riot-notifications] [RIOT-OS/RIOT] gnrc_netif: move netdev initialization to ops->init (#16918)

José Alamos notifications at github.com
Thu Sep 30 11:00:36 CEST 2021


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### Contribution description
This PR moves the netdev initialization in the gnrc_netif thread to the netif specific `ops`. This is required in order to remove the GNRC<-> netdev dependency and be able to use non netdev layers with GNRC netif (e.g `ieee802154_submac`).
It also has the advantage that the specific interface has control of the netdev callbacks, in cases where the default is replaced ( `gnrc_lorawan`, `gnrc_gomach`, etc).
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### Testing procedure
Make sure that the following modules still work.
- esp_now_gnrc
- nrfmin_gnrc
- gnrc_netif_cc1xxx
- gnrc_netif_nrf24l01p_ng
- gnrc_xbee
- nimble_netif
- gomach
- lwmac
- gnrc_netif_ethernet
- gnrc_netif_raw
- gnrc_netif_ieee802154
- gnrc_netif_lorawan

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### Issues/PRs references
Same as https://github.com/RIOT-OS/RIOT/pull/13614/files, but this time going in smaller steps.
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You can view, comment on, or merge this pull request online at:

  https://github.com/RIOT-OS/RIOT/pull/16918

-- Commit Summary --

  * <a href="https://github.com/RIOT-OS/RIOT/pull/16918/commits/30f92cd4a1d2500102c58e8e35630a05a0421c0a">net/gnrc_netif: add return values to init</a>
  * <a href="https://github.com/RIOT-OS/RIOT/pull/16918/commits/4bd19ee8e979aa1ecd89bd9737201051db52087e">net/gnrc_netif: move netdev init code to ops->init</a>
  * <a href="https://github.com/RIOT-OS/RIOT/pull/16918/commits/f59bf922891ba6146ec90df679b617d341c4e250">pkg/nimble/netif: adapt ops->init to handle driver initialization</a>
  * <a href="https://github.com/RIOT-OS/RIOT/pull/16918/commits/fee330b342d46c537fb5e2b42a4e9af316bea828">net/gomach: adapt ops->init to handle driver initialization</a>
  * <a href="https://github.com/RIOT-OS/RIOT/pull/16918/commits/0c6d313bb55147db00592dae82246b9eb6a04710">net/lwmac: adapt ops->init to handle driver initialization</a>
  * <a href="https://github.com/RIOT-OS/RIOT/pull/16918/commits/942683dd4cbca44b4336ba7ec5de80e4c3197bbc">net/gnrc/lorawan: adapt ops->init to handle driver initialization</a>
  * <a href="https://github.com/RIOT-OS/RIOT/pull/16918/commits/a3487c342a204200f3fd757cdf1aedb2b7cd068b">tests/gnrc_netif: adapt ops->init to handle driver initialization</a>

-- File Changes --

    M pkg/nimble/netif/nimble_netif.c (12)
    M sys/include/net/gnrc/netif.h (25)
    M sys/net/gnrc/link_layer/gomach/gomach.c (15)
    M sys/net/gnrc/link_layer/lwmac/lwmac.c (14)
    M sys/net/gnrc/netif/gnrc_netif.c (23)
    M sys/net/gnrc/netif/lorawan/gnrc_netif_lorawan.c (14)
    M tests/gnrc_netif/main.c (13)

-- Patch Links --

https://github.com/RIOT-OS/RIOT/pull/16918.patch
https://github.com/RIOT-OS/RIOT/pull/16918.diff

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