Commit 581d53c9 authored by Santosh Shilimkar's avatar Santosh Shilimkar
Browse files

RDS: IB: track and log active side endpoint in connection 



Useful to know the active and passive end points in a
RDS IB connection.

Signed-off-by: default avatarSantosh Shilimkar <santosh.shilimkar@oracle.com>
parent c536a068

net/rds/ib.h

+3 −0
Original line number Diff line number Diff line
@@ -181,6 +181,9 @@ struct rds_ib_connection { 


	/* Batched completions */

	unsigned int		i_unsignaled_wrs;



	/* Endpoint role in connection */

	bool			i_active_side;

};



/* This assumes that atomic_t is at least 32 bits */

net/rds/ib_cm.c

+7 −4
Original line number Diff line number Diff line
@@ -120,16 +120,17 @@ void rds_ib_cm_connect_complete(struct rds_connection *conn, struct rdma_cm_even 
		rds_conn_destroy(conn);

		return;

	} else {

		pr_notice("RDS/IB: connected <%pI4,%pI4> version %u.%u%s\n",

		pr_notice("RDS/IB: %s conn connected <%pI4,%pI4> version %u.%u%s\n",

			  ic->i_active_side ? "Active" : "Passive",

			  &conn->c_laddr, &conn->c_faddr,

			  RDS_PROTOCOL_MAJOR(conn->c_version),

			  RDS_PROTOCOL_MINOR(conn->c_version),

			  ic->i_flowctl ? ", flow control" : "");

	}



	/*

	 * Init rings and fill recv. this needs to wait until protocol negotiation

	 * is complete, since ring layout is different from 3.0 to 3.1.

	/* Init rings and fill recv. this needs to wait until protocol

	 * negotiation is complete, since ring layout is different

	 * from 3.1 to 4.1.

	 */

	rds_ib_send_init_ring(ic);

	rds_ib_recv_init_ring(ic);
@@ -685,6 +686,7 @@ int rds_ib_cm_initiate_connect(struct rdma_cm_id *cm_id) 
		if (ic->i_cm_id == cm_id)

			ret = 0;

	}

	ic->i_active_side = true;

	return ret;

}
@@ -859,6 +861,7 @@ void rds_ib_conn_path_shutdown(struct rds_conn_path *cp) 
	ic->i_sends = NULL;

	vfree(ic->i_recvs);

	ic->i_recvs = NULL;

	ic->i_active_side = false;

}



int rds_ib_conn_alloc(struct rds_connection *conn, gfp_t gfp)