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- #ifndef _LIBFCOE_H
- #define _LIBFCOE_H
- #include <linux/etherdevice.h>
- #include <linux/if_ether.h>
- #include <linux/netdevice.h>
- #include <linux/skbuff.h>
- #include <linux/workqueue.h>
- #include <linux/random.h>
- #include <scsi/fc/fc_fcoe.h>
- #include <scsi/libfc.h>
- #include <scsi/fcoe_sysfs.h>
- #define FCOE_MAX_CMD_LEN 16
- #define FCOE_MTU 2158
- #define FCOE_CTLR_START_DELAY 2000
- #define FCOE_CTRL_SOL_TOV 2000
- #define FCOE_CTLR_FCF_LIMIT 20
- #define FCOE_CTLR_VN2VN_LOGIN_LIMIT 3
- enum fip_state {
- FIP_ST_DISABLED,
- FIP_ST_LINK_WAIT,
- FIP_ST_AUTO,
- FIP_ST_NON_FIP,
- FIP_ST_ENABLED,
- FIP_ST_VNMP_START,
- FIP_ST_VNMP_PROBE1,
- FIP_ST_VNMP_PROBE2,
- FIP_ST_VNMP_CLAIM,
- FIP_ST_VNMP_UP,
- };
- enum fip_mode {
- FIP_MODE_AUTO = FIP_ST_AUTO,
- FIP_MODE_NON_FIP,
- FIP_MODE_FABRIC,
- FIP_MODE_VN2VN,
- };
- struct fcoe_ctlr {
- enum fip_state state;
- enum fip_mode mode;
- struct fc_lport *lp;
- struct fcoe_fcf *sel_fcf;
- struct list_head fcfs;
- struct fcoe_ctlr_device *cdev;
- u16 fcf_count;
- unsigned long sol_time;
- unsigned long sel_time;
- unsigned long port_ka_time;
- unsigned long ctlr_ka_time;
- struct timer_list timer;
- struct work_struct timer_work;
- struct work_struct recv_work;
- struct sk_buff_head fip_recv_list;
- struct sk_buff *flogi_req;
- struct rnd_state rnd_state;
- u32 port_id;
- u16 user_mfs;
- u16 flogi_oxid;
- u8 flogi_req_send;
- u8 flogi_count;
- bool map_dest;
- bool fip_resp;
- u8 spma;
- u8 probe_tries;
- u8 priority;
- u8 dest_addr[ETH_ALEN];
- u8 ctl_src_addr[ETH_ALEN];
- void (*send)(struct fcoe_ctlr *, struct sk_buff *);
- void (*update_mac)(struct fc_lport *, u8 *addr);
- u8 * (*get_src_addr)(struct fc_lport *);
- struct mutex ctlr_mutex;
- spinlock_t ctlr_lock;
- };
- static inline void *fcoe_ctlr_priv(const struct fcoe_ctlr *ctlr)
- {
- return (void *)(ctlr + 1);
- }
- #define fcoe_ctlr_to_ctlr_dev(x) \
- (x)->cdev
- struct fcoe_fcf {
- struct list_head list;
- struct work_struct event_work;
- struct fcoe_ctlr *fip;
- struct fcoe_fcf_device *fcf_dev;
- unsigned long time;
- u64 switch_name;
- u64 fabric_name;
- u32 fc_map;
- u16 vfid;
- u8 fcf_mac[ETH_ALEN];
- u8 fcoe_mac[ETH_ALEN];
- u8 pri;
- u8 flogi_sent;
- u16 flags;
- u32 fka_period;
- u8 fd_flags:1;
- };
- #define fcoe_fcf_to_fcf_dev(x) \
- ((x)->fcf_dev)
- struct fcoe_rport {
- unsigned long time;
- u16 fcoe_len;
- u16 flags;
- u8 login_count;
- u8 enode_mac[ETH_ALEN];
- u8 vn_mac[ETH_ALEN];
- };
- void fcoe_ctlr_init(struct fcoe_ctlr *, enum fip_state);
- void fcoe_ctlr_destroy(struct fcoe_ctlr *);
- void fcoe_ctlr_link_up(struct fcoe_ctlr *);
- int fcoe_ctlr_link_down(struct fcoe_ctlr *);
- int fcoe_ctlr_els_send(struct fcoe_ctlr *, struct fc_lport *, struct sk_buff *);
- void fcoe_ctlr_recv(struct fcoe_ctlr *, struct sk_buff *);
- int fcoe_ctlr_recv_flogi(struct fcoe_ctlr *, struct fc_lport *,
- struct fc_frame *);
- u64 fcoe_wwn_from_mac(unsigned char mac[], unsigned int, unsigned int);
- int fcoe_libfc_config(struct fc_lport *, struct fcoe_ctlr *,
- const struct libfc_function_template *, int init_fcp);
- u32 fcoe_fc_crc(struct fc_frame *fp);
- int fcoe_start_io(struct sk_buff *skb);
- int fcoe_get_wwn(struct net_device *netdev, u64 *wwn, int type);
- void __fcoe_get_lesb(struct fc_lport *lport, struct fc_els_lesb *fc_lesb,
- struct net_device *netdev);
- void fcoe_wwn_to_str(u64 wwn, char *buf, int len);
- int fcoe_validate_vport_create(struct fc_vport *vport);
- int fcoe_link_speed_update(struct fc_lport *);
- void fcoe_get_lesb(struct fc_lport *, struct fc_els_lesb *);
- void fcoe_ctlr_get_lesb(struct fcoe_ctlr_device *ctlr_dev);
- static inline bool is_fip_mode(struct fcoe_ctlr *fip)
- {
- return fip->state == FIP_ST_ENABLED;
- }
- #define MODULE_ALIAS_FCOE_PCI(ven, dev) \
- MODULE_ALIAS("fcoe-pci:" \
- "v" __stringify(ven) \
- "d" __stringify(dev) "sv*sd*bc*sc*i*")
- #define FCOE_TRANSPORT_DEFAULT "fcoe"
- struct fcoe_transport {
- char name[IFNAMSIZ];
- bool attached;
- struct list_head list;
- bool (*match) (struct net_device *device);
- int (*alloc) (struct net_device *device);
- int (*create) (struct net_device *device, enum fip_mode fip_mode);
- int (*destroy) (struct net_device *device);
- int (*enable) (struct net_device *device);
- int (*disable) (struct net_device *device);
- };
- struct fcoe_percpu_s {
- struct task_struct *kthread;
- struct work_struct work;
- struct sk_buff_head fcoe_rx_list;
- struct page *crc_eof_page;
- int crc_eof_offset;
- };
- struct fcoe_port {
- void *priv;
- struct fc_lport *lport;
- struct sk_buff_head fcoe_pending_queue;
- u8 fcoe_pending_queue_active;
- u32 max_queue_depth;
- u32 min_queue_depth;
- struct timer_list timer;
- struct work_struct destroy_work;
- u8 data_src_addr[ETH_ALEN];
- struct net_device * (*get_netdev)(const struct fc_lport *lport);
- };
- static inline struct net_device *fcoe_get_netdev(const struct fc_lport *lport)
- {
- struct fcoe_port *port = ((struct fcoe_port *)lport_priv(lport));
- return (port->get_netdev) ? port->get_netdev(lport) : NULL;
- }
- void fcoe_clean_pending_queue(struct fc_lport *);
- void fcoe_check_wait_queue(struct fc_lport *lport, struct sk_buff *skb);
- void fcoe_queue_timer(ulong lport);
- int fcoe_get_paged_crc_eof(struct sk_buff *skb, int tlen,
- struct fcoe_percpu_s *fps);
- void fcoe_fcf_get_selected(struct fcoe_fcf_device *);
- void fcoe_ctlr_set_fip_mode(struct fcoe_ctlr_device *);
- struct fcoe_netdev_mapping {
- struct list_head list;
- struct net_device *netdev;
- struct fcoe_transport *ft;
- };
- int fcoe_transport_attach(struct fcoe_transport *ft);
- int fcoe_transport_detach(struct fcoe_transport *ft);
- ssize_t fcoe_ctlr_create_store(struct bus_type *bus,
- const char *buf, size_t count);
- ssize_t fcoe_ctlr_destroy_store(struct bus_type *bus,
- const char *buf, size_t count);
- #endif
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