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>
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@ -197,6 +197,14 @@ struct smc_rtoken { /* address/key of remote RMB */
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struct smcd_dev;
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enum smc_lgr_type { /* redundancy state of lgr */
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SMC_LGR_NONE, /* no active links, lgr to be deleted */
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SMC_LGR_SINGLE, /* 1 active RNIC on each peer */
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SMC_LGR_SYMMETRIC, /* 2 active RNICs on each peer */
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SMC_LGR_ASYMMETRIC_PEER, /* local has 2, peer 1 active RNICs */
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SMC_LGR_ASYMMETRIC_LOCAL, /* local has 1, peer 2 active RNICs */
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};
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enum smc_llc_flowtype {
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SMC_LLC_FLOW_NONE = 0,
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SMC_LLC_FLOW_ADD_LINK = 2,
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@ -246,6 +254,8 @@ struct smc_link_group {
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DECLARE_BITMAP(rtokens_used_mask, SMC_RMBS_PER_LGR_MAX);
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/* used rtoken elements */
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u8 next_link_id;
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enum smc_lgr_type type;
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/* redundancy state */
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struct list_head llc_event_q;
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/* queue for llc events */
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spinlock_t llc_event_q_lock;
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