Jakub Kicinski 36a857e4f2 nfp: convert .ndo_change_mtu() to prepare/commit paradigm ... When changing MTU on running device first allocate new rings and buffers and once it succeeds proceed with changing MTU. Allocation of new rings is not really necessary for this operation - it's done to keep the code simple and because size of the extra ring memory is quite small compared to the size of buffers. Operation can still fail midway through if FW communication times out. In that case we retry with old MTU (rings). Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>		2016-04-08 15:26:06 -04:00
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nfp	nfp: convert .ndo_change_mtu() to prepare/commit paradigm	2016-04-08 15:26:06 -04:00
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