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authorKarsten Graul <kgraul@linux.ibm.com>2020-04-30 15:55:40 +0200
committerDavid S. Miller <davem@davemloft.net>2020-04-30 12:44:33 -0700
commit81e6e5e70df46bb5b205e53f2b7885e49a9d4974 (patch)
treee364fb6710c75f035357afeb7556f68bbe306993 /net
parenta6688d919b220bd714948e03bb3caa8a66895005 (diff)
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.h10
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;