net/smc: check for ip prefix and subnet

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The check for a matching ip prefix and subnet was only done for SMC-R
in smc_listen_rdma_check() but not when an SMC-D connection was
possible. Rename the function into smc_listen_prfx_check() and move its
call to a place where it is called for both SMC variants.
And add a new CLC DECLINE reason for the case when the IP prefix or
subnet check fails so the reason for the failing SMC connection can be
found out more easily.

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

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Karsten Graul 2019-04-12 12:57:25 +02:00 • committed by David S. Miller

parent 4ada81fddf

commit 598866974c

2 changed files with 10 additions and 3 deletions

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12

net/smc/af_smc.c

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1

net/smc/smc_clc.h

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