(lport)->host->host_no, \
(port_id), ##args))
-#define FC_RPORT_DBG(rport, fmt, args...) \
-do { \
- struct fc_rport_libfc_priv *rdata = rport->dd_data; \
- struct fc_lport *lport = rdata->local_port; \
- FC_RPORT_ID_DBG(lport, rport->port_id, fmt, ##args); \
-} while (0)
+#define FC_RPORT_DBG(rdata, fmt, args...) \
+ FC_RPORT_ID_DBG((rdata)->local_port, (rdata)->ids.port_id, fmt, ##args)
#define FC_FCP_DBG(pkt, fmt, args...) \
FC_CHECK_LOGGING(FC_FCP_LOGGING, \
RPORT_ST_RTV, /* waiting for RTV completion */
RPORT_ST_READY, /* ready for use */
RPORT_ST_LOGO, /* port logout sent */
+ RPORT_ST_ADISC, /* Discover Address sent */
RPORT_ST_DELETE, /* port being deleted */
};
-enum fc_rport_trans_state {
- FC_PORTSTATE_ROGUE,
- FC_PORTSTATE_REAL,
-};
-
/**
* struct fc_disc_port - temporary discovery port to hold rport identifiers
- * @lp: Fibre Channel host port instance
- * @peers: node for list management during discovery and RSCN processing
- * @ids: identifiers structure to pass to fc_remote_port_add()
- * @rport_work: work struct for starting the rport state machine
+ * @lp: Fibre Channel host port instance
+ * @peers: Node for list management during discovery and RSCN processing
+ * @rport_work: Work struct for starting the rport state machine
+ * @port_id: Port ID of the discovered port
*/
struct fc_disc_port {
struct fc_lport *lp;
struct list_head peers;
- struct fc_rport_identifiers ids;
struct work_struct rport_work;
+ u32 port_id;
};
enum fc_rport_event {
RPORT_EV_NONE = 0,
- RPORT_EV_CREATED,
+ RPORT_EV_READY,
RPORT_EV_FAILED,
RPORT_EV_STOP,
RPORT_EV_LOGO
};
+struct fc_rport_priv;
+
struct fc_rport_operations {
- void (*event_callback)(struct fc_lport *, struct fc_rport *,
+ void (*event_callback)(struct fc_lport *, struct fc_rport_priv *,
enum fc_rport_event);
};
/**
* struct fc_rport_libfc_priv - libfc internal information about a remote port
* @local_port: Fibre Channel host port instance
+ * @rp_state: indicates READY for I/O or DELETE when blocked.
+ * @flags: REC and RETRY supported flags
+ * @e_d_tov: error detect timeout value (in msec)
+ * @r_a_tov: resource allocation timeout value (in msec)
+ */
+struct fc_rport_libfc_priv {
+ struct fc_lport *local_port;
+ enum fc_rport_state rp_state;
+ u16 flags;
+ #define FC_RP_FLAGS_REC_SUPPORTED (1 << 0)
+ #define FC_RP_FLAGS_RETRY (1 << 1)
+ unsigned int e_d_tov;
+ unsigned int r_a_tov;
+};
+
+/**
+ * struct fc_rport_priv - libfc rport and discovery info about a remote port
+ * @local_port: Fibre Channel host port instance
+ * @rport: transport remote port
+ * @kref: reference counter
* @rp_state: state tracks progress of PLOGI, PRLI, and RTV exchanges
+ * @ids: remote port identifiers and roles
* @flags: REC and RETRY supported flags
* @max_seq: maximum number of concurrent sequences
+ * @disc_id: discovery identifier
+ * @maxframe_size: maximum frame size
* @retries: retry count in current state
* @e_d_tov: error detect timeout value (in msec)
* @r_a_tov: resource allocation timeout value (in msec)
* @retry_work:
* @event_callback: Callback for rport READY, FAILED or LOGO
*/
-struct fc_rport_libfc_priv {
+struct fc_rport_priv {
struct fc_lport *local_port;
+ struct fc_rport *rport;
+ struct kref kref;
enum fc_rport_state rp_state;
+ struct fc_rport_identifiers ids;
u16 flags;
- #define FC_RP_FLAGS_REC_SUPPORTED (1 << 0)
- #define FC_RP_FLAGS_RETRY (1 << 1)
u16 max_seq;
+ u16 disc_id;
+ u16 maxframe_size;
unsigned int retries;
unsigned int e_d_tov;
unsigned int r_a_tov;
- enum fc_rport_trans_state trans_state;
struct mutex rp_mutex;
struct delayed_work retry_work;
enum fc_rport_event event;
struct fc_rport_operations *ops;
struct list_head peers;
struct work_struct event_work;
+ u32 supported_classes;
};
-#define PRIV_TO_RPORT(x) \
- (struct fc_rport *)((void *)x - sizeof(struct fc_rport));
-#define RPORT_TO_PRIV(x) \
- (struct fc_rport_libfc_priv *)((void *)x + sizeof(struct fc_rport));
-
-struct fc_rport *fc_rport_rogue_create(struct fc_disc_port *);
-
-static inline void fc_rport_set_name(struct fc_rport *rport, u64 wwpn, u64 wwnn)
-{
- rport->node_name = wwnn;
- rport->port_name = wwpn;
-}
-
/*
* fcoe stats structure
*/
struct fc_exch_mgr;
struct fc_exch_mgr_anchor;
+extern u16 fc_cpu_mask; /* cpu mask for possible cpus */
/*
* Sequence.
*/
struct fc_exch {
struct fc_exch_mgr *em; /* exchange manager */
+ struct fc_exch_pool *pool; /* per cpu exches pool */
u32 state; /* internal driver state */
u16 xid; /* our exchange ID */
struct list_head ex_list; /* free or busy list linkage */
* STATUS: OPTIONAL
*/
struct fc_seq *(*elsct_send)(struct fc_lport *lport,
- struct fc_rport *rport,
+ u32 did,
struct fc_frame *fp,
unsigned int op,
void (*resp)(struct fc_seq *,
int (*lport_reset)(struct fc_lport *);
/*
- * Create a remote port
+ * Create a remote port with a given port ID
+ *
+ * STATUS: OPTIONAL
*/
- struct fc_rport *(*rport_create)(struct fc_disc_port *);
+ struct fc_rport_priv *(*rport_create)(struct fc_lport *, u32);
/*
* Initiates the RP state machine. It is called from the LP module.
*
* STATUS: OPTIONAL
*/
- int (*rport_login)(struct fc_rport *rport);
+ int (*rport_login)(struct fc_rport_priv *);
/*
* Logoff, and remove the rport from the transport if
*
* STATUS: OPTIONAL
*/
- int (*rport_logoff)(struct fc_rport *rport);
+ int (*rport_logoff)(struct fc_rport_priv *);
/*
* Recieve a request from a remote port.
* STATUS: OPTIONAL
*/
void (*rport_recv_req)(struct fc_seq *, struct fc_frame *,
- struct fc_rport *);
+ struct fc_lport *);
/*
* lookup an rport by it's port ID.
*
* STATUS: OPTIONAL
*/
- struct fc_rport *(*rport_lookup)(const struct fc_lport *, u32);
+ struct fc_rport_priv *(*rport_lookup)(const struct fc_lport *, u32);
+
+ /*
+ * Destroy an rport after final kref_put().
+ * The argument is a pointer to the kref inside the fc_rport_priv.
+ */
+ void (*rport_destroy)(struct kref *);
/*
* Send a fcp cmd from fsp pkt.
/* information used by the discovery layer */
struct fc_disc {
unsigned char retry_count;
- unsigned char delay;
unsigned char pending;
unsigned char requested;
unsigned short seq_count;
unsigned char buf_len;
- enum fc_disc_event event;
+ u16 disc_id;
void (*disc_callback)(struct fc_lport *,
enum fc_disc_event);
struct list_head rports;
- struct list_head rogue_rports;
struct fc_lport *lport;
struct mutex disc_mutex;
struct fc_gpn_ft_resp partial_buf; /* partial name buffer */
/* Associations */
struct Scsi_Host *host;
struct list_head ema_list;
- struct fc_rport *dns_rp;
- struct fc_rport *ptp_rp;
+ struct fc_rport_priv *dns_rp;
+ struct fc_rport_priv *ptp_rp;
void *scsi_priv;
struct fc_disc disc;
*/
struct fc_seq *fc_seq_start_next(struct fc_seq *sp);
+
/*
- * Reset an exchange manager, completing all sequences and exchanges.
- * If s_id is non-zero, reset only exchanges originating from that FID.
- * If d_id is non-zero, reset only exchanges sending to that FID.
+ * Reset all EMs of a lport, releasing its all sequences and
+ * exchanges. If sid is non-zero, then reset only exchanges
+ * we sourced from that FID. If did is non-zero, reset only
+ * exchanges destined to that FID.
*/
void fc_exch_mgr_reset(struct fc_lport *, u32 s_id, u32 d_id);
int fc_setup_rport(void);
void fc_destroy_rport(void);
+/*
+ * Internal libfc functions.
+ */
+const char *fc_els_resp_type(struct fc_frame *);
+
#endif /* _LIBFC_H_ */
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