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net: ethoc: implement ethtool get/set ring parameters
authorMax Filippov <jcmvbkbc@gmail.com>
Fri, 31 Jan 2014 05:41:07 +0000 (09:41 +0400)
committerDavid S. Miller <davem@davemloft.net>
Sun, 2 Feb 2014 00:56:49 +0000 (16:56 -0800)
commitc26745a5fabf24fb5fd6dae2bcb636e644f5d735
treeb5ef2ec4c4d1ce8684000222739f1eb8354db927tree | snapshot
parent9b4a48e936f08da326f95ac872881abe95c1d70dcommit | diff
net: ethoc: implement ethtool get/set ring parameters

TX and RX rings share memory and descriptors. Maximal number of
descriptors reported is one less than the total available nuber of
descriptors. For the set operation the requested number of TX descriptors
is rounded down to the nearest power of two (driver logic requirement).

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/ethoc.c diff | blob | history
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