Networking stack has split one global DATA pool to RX and TX DATA pools
and also added net_buf pool support to each context. Update the driver
to support this new design. Since the GMAC TX descriptor list has a fixed
size but the number of TX DATA buffers is no longer limited updating the
TX descriptor list has to be guarded by a semaphore.
Tested on Atmel SMART SAM E70 Xplained board
Change-Id: I181e1cdd183e173b85d5d1711b6e78cd5165666d
Signed-off-by: Piotr Mienkowski <piotr.mienkowski@gmail.com>
This is a zero-copy networking implementation of Ethernet driver.
Limitations:
- one shot PHY setup, no support for PHY disconnect/reconnect
- no support for devices with DCache enabled due to missing
non-cacheable RAM regions in Zephyr.
Tested on Atmel SMART SAM E70 Xplained board
Origin: Original
Jira: ZEP-1492
Change-Id: Ib944f91193efbd12c1142b0bcf1f635388bf1b87
Signed-off-by: Piotr Mienkowski <piotr.mienkowski@gmail.com>
Piotr Mienkowski