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(parent: 95978df) | patch
net: axienet: limit minimum TX ring size
authorRobert Hancock <robert.hancock@calian.com>
Tue, 18 Jan 2022 21:41:28 +0000 (15:41 -0600)
committerDavid S. Miller <davem@davemloft.net>
Wed, 19 Jan 2022 11:29:14 +0000 (11:29 +0000)
commit70f5817deddbc6ef3faa35841cab83c280cc653a
treee41b085191432e971b657661670f315c09554ecbtree
parent95978df6fa328df619c15312e65ece469c2be2d2commit | diff
net: axienet: limit minimum TX ring size

The driver will not work properly if the TX ring size is set to below
MAX_SKB_FRAGS + 1 since it needs to hold at least one full maximally
fragmented packet in the TX ring. Limit setting the ring size to below
this value.

Fixes: 8b09ca823ffb4 ("net: axienet: Make RX/TX ring sizes configurable")
Signed-off-by: Robert Hancock <robert.hancock@calian.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/xilinx/xilinx_axienet_main.c diff | blob | history
XArray, radix tree and IDR