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net/smc: remember PNETID of IB device for later device matching

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The PNETID is needed to find an alternate link for a link group.
Save the PNETID of the link that is used to create the link group for
later device matching.

Signed-off-by: Karsten Graul <kgraul@linux.ibm.com>
Reviewed-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Karsten Graul 2020-05-01 12:48:06 +02:00 committed by David S. Miller
parent d550066776
commit 35dcf7ec02
2 changed files with 4 additions and 0 deletions
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2
net/smc/smc_core.c
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@ -413,6 +413,8 @@ static int smc_lgr_create(struct smc_sock *smc, struct smc_init_info *ini)
lgr->role = smc->listen_smc ? SMC_SERV : SMC_CLNT;
memcpy(lgr->peer_systemid, ini->ib_lcl->id_for_peer,
SMC_SYSTEMID_LEN);
memcpy(lgr->pnet_id, ini->ib_dev->pnetid[ini->ib_port - 1],
SMC_MAX_PNETID_LEN);
smc_llc_lgr_init(lgr, smc);
link_idx = SMC_SINGLE_LINK;

2
net/smc/smc_core.h
View File

@ -244,6 +244,8 @@ struct smc_link_group {
u8 next_link_id;
enum smc_lgr_type type;
/* redundancy state */
u8 pnet_id[SMC_MAX_PNETID_LEN + 1];
/* pnet id of this lgr */
struct list_head llc_event_q;
/* queue for llc events */
spinlock_t llc_event_q_lock;