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| author | Karsten Graul <kgraul@linux.ibm.com> | 2020-04-30 15:55:40 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-04-30 12:44:33 -0700 |
| commit | 81e6e5e70df46bb5b205e53f2b7885e49a9d4974 (patch) | |
| tree | e364fb6710c75f035357afeb7556f68bbe306993 /net | |
| parent | a6688d919b220bd714948e03bb3caa8a66895005 (diff) | |
| download | linux-81e6e5e70df46bb5b205e53f2b7885e49a9d4974.tar.gz | |
net/smc: introduce link group type
Add a type field to the link group which reflects the current link group
redundancy state.
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>
Diffstat (limited to 'net')
| -rw-r--r-- | net/smc/smc_core.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/net/smc/smc_core.h b/net/smc/smc_core.h index 70399217ad6f..51366a9f4980 100644 --- a/net/smc/smc_core.h +++ b/net/smc/smc_core.h @@ -197,6 +197,14 @@ struct smc_rtoken { /* address/key of remote RMB */ struct smcd_dev; +enum smc_lgr_type { /* redundancy state of lgr */ + SMC_LGR_NONE, /* no active links, lgr to be deleted */ + SMC_LGR_SINGLE, /* 1 active RNIC on each peer */ + SMC_LGR_SYMMETRIC, /* 2 active RNICs on each peer */ + SMC_LGR_ASYMMETRIC_PEER, /* local has 2, peer 1 active RNICs */ + SMC_LGR_ASYMMETRIC_LOCAL, /* local has 1, peer 2 active RNICs */ +}; + enum smc_llc_flowtype { SMC_LLC_FLOW_NONE = 0, SMC_LLC_FLOW_ADD_LINK = 2, @@ -246,6 +254,8 @@ struct smc_link_group { DECLARE_BITMAP(rtokens_used_mask, SMC_RMBS_PER_LGR_MAX); /* used rtoken elements */ u8 next_link_id; + enum smc_lgr_type type; + /* redundancy state */ struct list_head llc_event_q; /* queue for llc events */ spinlock_t llc_event_q_lock; |