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net/smc: determine proposed ISM devices

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SMCD Version 2 allows to propose up to 8 additional ISM devices
offered to the peer as candidates for SMCD communication.
This patch covers determination of the ISM devices to be proposed.
ISM devices without PNETID are preferred, since ISM devices with
PNETID are a V1 leftover and will disappear over the time.

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 12:44:27 +02:00
committed by David S. Miller
parent e888a2e833
commit d70bf4f7a9
8 changed files with 135 additions and 58 deletions
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net/smc/smc.h
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@@ -19,6 +19,7 @@
#include "smc_ib.h"
#define SMC_V1 1 /* SMC version V1 */
#define SMC_V2 2 /* SMC version V2 */
#define SMCPROTO_SMC 0 /* SMC protocol, IPv4 */
#define SMCPROTO_SMC6 1 /* SMC protocol, IPv6 */