smc: remote memory buffers (RMBs)

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* allocate data RMB memory for sending and receiving
* size depends on the maximum socket send and receive buffers
* allocated RMBs are kept during life time of the owning link group
* map the allocated RMBs to DMA

Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Ursula Braun 2017-01-09 16:55:18 +01:00 • committed by David S. Miller

parent 0cfdd8f92c

commit cd6851f303

7 changed files with 342 additions and 7 deletions

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29

net/smc/af_smc.c

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45

net/smc/smc.h

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6

net/smc/smc_clc.c

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224

net/smc/smc_core.c

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21

net/smc/smc_core.h

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19

net/smc/smc_ib.c

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5

net/smc/smc_ib.h

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