[edk2-devel] [PATCH edk2-platforms v4 0/9] BCM genet fixes

Jeremy Linton jeremy.linton at arm.com
Mon May 11 23:20:17 UTC 2020


Hi,

Well it looks like you fixed the tx map/unmap issue I noticed yesterday 
on discord as well as a couple other things that were discussed.

So with the fix 2/9,

Reviewed-by: Jeremy Linton <jeremy.linton at arm.com>

Thanks,


On 5/11/20 9:55 AM, Ard Biesheuvel wrote:
> This fixes the multicast/broadcast/promisc handling, and switches to
> ordinary page allocations for RX buffers. Patch #1 is cosmetic only.
> 
> Note that these apply on top of the series sent out by Samer, and is
> intended to be squashed into that series before merging.
> 
> Changes since v3:
> - more cosmetic tweaks in #1
> - move DmaUnmap() for TX buffers to the correct place
> - use MemoryFence() instead of DSB for MMIO write ordering
> - add unload support to the driver
> - remove the Ax88772b driver from the RPi4 build - it is no longer needed,
>    and misbehaves when no cable is connected.
> 
> Changes since v2:
> - fix MDF filter handling (fixes issue reported by Samer)
> - add patch to deal with ExitBootServices() so we don't leave the RX DMA
>    ring running when we enter the OS
> 
> https://github.com/pftf/edk2-platforms/tree/rpi4_genet_v4_ardb
> 
> Cc: Pete Batard <pete at akeo.ie>
> Cc: Jared McNeill <jmcneill at invisible.ca>
> Cc: Andrei Warkentin <awarkentin at vmware.com>
> Cc: Samer El-Haj-Mahmoud <Samer.El-Haj-Mahmoud at arm.com>
> Cc: Jeremy Linton <jeremy.linton at arm.com>
> 
> Ard Biesheuvel (9):
>    Silicon/Broadcom/BcmGenetDxe: whitespace/cosmetic cleanup
>    Silicon/Broadcom/BcmGenetDxe: add support for broadcast filtering
>    Silicon/Broadcom/BcmGenetDxe: fix multicast/broadcast handling
>    Silicon/Broadcom/BcmGenetDxe: avoid uncached memory for streaming DMA
>    Silicon/Broadcom/BcmGenetDxe: shut down devices on ExitBootServices()
>    Silicon/Broadcom/BcmGenetDxe: keep TX buffer mapped during DMA
>      transfer
>    Silicon/Broadcom/BcmGenetDxe: use MemoryFence() for MMIO write
>      ordering
>    Silicon/Broadcom/BcmGenetDxe: add unload support
>    Platform/RaspberryPi4: remove ASIX 88772b driver
> 
>   Platform/RaspberryPi/RPi4/RPi4.dsc            |   1 -
>   Platform/RaspberryPi/RPi4/RPi4.fdf            |   1 -
>   .../Drivers/Net/BcmGenetDxe/BcmGenetDxe.inf   |  13 +-
>   .../Drivers/Net/BcmGenetDxe/GenetUtil.h       |  51 +-
>   .../Drivers/Net/BcmGenetDxe/DriverBinding.c   | 122 ++-
>   .../Drivers/Net/BcmGenetDxe/GenericPhy.c      |  16 +-
>   .../Drivers/Net/BcmGenetDxe/GenetUtil.c       | 787 +++++++++---------
>   .../Drivers/Net/BcmGenetDxe/SimpleNetwork.c   | 115 ++-
>   8 files changed, 621 insertions(+), 485 deletions(-)
> 


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