[PATCH net 0/4] net: ll_temac: Bugfixes

From: Esben Haabendal
Date: Wed Feb 19 2020 - 05:53:41 EST

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.

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
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 | 204 ++++++++++++++++----
2 files changed, 170 insertions(+), 38 deletions(-)