Fix a number of bugs which have been present since the first commit.
The bugs fixed in patch 1,2 and 4 have all been observed in real systems, and
was relatively easy to reproduce given an appropriate stress setup.
Changes since v1:
- Changed error handling of of dma_map_single() in temac_start_xmit() to drop
packet instead of returning NETDEV_TX_BUSY.
Esben Haabendal (4):
net: ll_temac: Fix race condition causing TX hang
net: ll_temac: Add more error handling of dma_map_single() calls
net: ll_temac: Fix RX buffer descriptor handling on GFP_ATOMIC
pressure
net: ll_temac: Handle DMA halt condition caused by buffer underrun
drivers/net/ethernet/xilinx/ll_temac.h | 4 +
drivers/net/ethernet/xilinx/ll_temac_main.c | 209 ++++++++++++++++----
2 files changed, 175 insertions(+), 38 deletions(-)
--
2.25.0
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