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net/smc: introduce CHID callback for ISM devices

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With SMCD version 2 the CHIDs of ISM devices are needed for the
CLC handshake.
This patch provides the new callback to retrieve the CHID of an
ISM device.

Signed-off-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: Karsten Graul <kgraul@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ursula Braun
2020-09-26 12:44:25 +02:00
committed by David S. Miller
parent 201091ebb2
commit 8caaccf521
6 changed files with 22 additions and 0 deletions
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2
net/smc/af_smc.c
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@@ -566,6 +566,8 @@ static int smc_find_ism_device(struct smc_sock *smc, struct smc_init_info *ini)
smc_pnet_find_ism_resource(smc->clcsock->sk, ini);
if (!ini->ism_dev[0])
return SMC_CLC_DECL_NOSMCDDEV;
else
ini->ism_chid[0] = smc_ism_get_chid(ini->ism_dev[0]);
return 0;
}