Commit 81e6e5e7 authored by Karsten Graul's avatar Karsten Graul Committed by David S. Miller

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: default avatarKarsten Graul <kgraul@linux.ibm.com>
Reviewed-by: default avatarUrsula Braun <ubraun@linux.ibm.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent a6688d91
...@@ -197,6 +197,14 @@ struct smc_rtoken { /* address/key of remote RMB */ ...@@ -197,6 +197,14 @@ struct smc_rtoken { /* address/key of remote RMB */
struct smcd_dev; 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 { enum smc_llc_flowtype {
SMC_LLC_FLOW_NONE = 0, SMC_LLC_FLOW_NONE = 0,
SMC_LLC_FLOW_ADD_LINK = 2, SMC_LLC_FLOW_ADD_LINK = 2,
...@@ -246,6 +254,8 @@ struct smc_link_group { ...@@ -246,6 +254,8 @@ struct smc_link_group {
DECLARE_BITMAP(rtokens_used_mask, SMC_RMBS_PER_LGR_MAX); DECLARE_BITMAP(rtokens_used_mask, SMC_RMBS_PER_LGR_MAX);
/* used rtoken elements */ /* used rtoken elements */
u8 next_link_id; u8 next_link_id;
enum smc_lgr_type type;
/* redundancy state */
struct list_head llc_event_q; struct list_head llc_event_q;
/* queue for llc events */ /* queue for llc events */
spinlock_t llc_event_q_lock; spinlock_t llc_event_q_lock;
......
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