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

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

net/smc/smc_core.h

+10 −0
Original line number Diff line number Diff line
@@ -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;