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Stopping a Network Device

NetDev_Stop() is called once each time an interface is stopped.

NetDev_Stop() must perform the following operations:

  • 1 Disable the receiver and transmitter.
  • 2 Disable all local MAC interrupt sources.
  • 3 Clear all local MAC interrupt status flags.
  • 4 Power down the wireless device via network device’s device’s BSP function pointer, NetDev_WiFi_Stop().
  • 5 For wireless devices which can queued up packet to transmit, free all transmit buffer not yet transmitted by calling NetOS_IF_DeallocTaskPost() with the address of the transmit buffer data areas.
  • 6 Set perr to NET_DEV_ERR_NONE if no error occurs. Otherwise, set perr to an appropriate network device error code.
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