diff options
Diffstat (limited to 'drivers/scsi/fnic/fip.h')
| -rw-r--r-- | drivers/scsi/fnic/fip.h | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/drivers/scsi/fnic/fip.h b/drivers/scsi/fnic/fip.h new file mode 100644 index 000000000000..79fee7628870 --- /dev/null +++ b/drivers/scsi/fnic/fip.h @@ -0,0 +1,159 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright 2008 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + */ +#ifndef _FIP_H_ +#define _FIP_H_ + +#include "fdls_fc.h" +#include "fnic_fdls.h" +#include <scsi/fc/fc_fip.h> + +/* Drop the cast from the standard definition */ +#define FCOE_ALL_FCFS_MAC {0x01, 0x10, 0x18, 0x01, 0x00, 0x02} +#define FCOE_MAX_SIZE 0x082E + +#define FCOE_CTLR_FIPVLAN_TOV (3*1000) +#define FCOE_CTLR_FCS_TOV (3*1000) +#define FCOE_CTLR_MAX_SOL (5*1000) + +#define FIP_DISC_SOL_LEN (6) +#define FIP_VLAN_REQ_LEN (2) +#define FIP_ENODE_KA_LEN (2) +#define FIP_VN_KA_LEN (7) +#define FIP_FLOGI_LEN (38) + +enum fdls_vlan_state { + FIP_VLAN_AVAIL, + FIP_VLAN_SENT +}; + +enum fdls_fip_state { + FDLS_FIP_INIT, + FDLS_FIP_VLAN_DISCOVERY_STARTED, + FDLS_FIP_FCF_DISCOVERY_STARTED, + FDLS_FIP_FLOGI_STARTED, + FDLS_FIP_FLOGI_COMPLETE, +}; + +/* + * VLAN entry. + */ +struct fcoe_vlan { + struct list_head list; + uint16_t vid; /* vlan ID */ + uint16_t sol_count; /* no. of sols sent */ + uint16_t state; /* state */ +}; + +struct fip_vlan_req { + struct ethhdr eth; + struct fip_header fip; + struct fip_mac_desc mac_desc; +} __packed; + +struct fip_vlan_notif { + struct fip_header fip; + struct fip_vlan_desc vlans_desc[]; +} __packed; + +struct fip_vn_port_ka { + struct ethhdr eth; + struct fip_header fip; + struct fip_mac_desc mac_desc; + struct fip_vn_desc vn_port_desc; +} __packed; + +struct fip_enode_ka { + struct ethhdr eth; + struct fip_header fip; + struct fip_mac_desc mac_desc; +} __packed; + +struct fip_cvl { + struct fip_header fip; + struct fip_mac_desc fcf_mac_desc; + struct fip_wwn_desc name_desc; + struct fip_vn_desc vn_ports_desc[]; +} __packed; + +struct fip_flogi_desc { + struct fip_desc fd_desc; + uint16_t rsvd; + struct fc_std_flogi flogi; +} __packed; + +struct fip_flogi_rsp_desc { + struct fip_desc fd_desc; + uint16_t rsvd; + struct fc_std_flogi flogi; +} __packed; + +struct fip_flogi { + struct ethhdr eth; + struct fip_header fip; + struct fip_flogi_desc flogi_desc; + struct fip_mac_desc mac_desc; +} __packed; + +struct fip_flogi_rsp { + struct fip_header fip; + struct fip_flogi_rsp_desc rsp_desc; + struct fip_mac_desc mac_desc; +} __packed; + +struct fip_discovery { + struct ethhdr eth; + struct fip_header fip; + struct fip_mac_desc mac_desc; + struct fip_wwn_desc name_desc; + struct fip_size_desc fcoe_desc; +} __packed; + +struct fip_disc_adv { + struct fip_header fip; + struct fip_pri_desc prio_desc; + struct fip_mac_desc mac_desc; + struct fip_wwn_desc name_desc; + struct fip_fab_desc fabric_desc; + struct fip_fka_desc fka_adv_desc; +} __packed; + +void fnic_fcoe_process_vlan_resp(struct fnic *fnic, struct fip_header *fiph); +void fnic_fcoe_fip_discovery_resp(struct fnic *fnic, struct fip_header *fiph); +void fnic_fcoe_process_flogi_resp(struct fnic *fnic, struct fip_header *fiph); +void fnic_work_on_fip_timer(struct work_struct *work); +void fnic_work_on_fcs_ka_timer(struct work_struct *work); +void fnic_fcoe_send_vlan_req(struct fnic *fnic); +void fnic_fcoe_start_fcf_discovery(struct fnic *fnic); +void fnic_fcoe_start_flogi(struct fnic *fnic); +void fnic_fcoe_process_cvl(struct fnic *fnic, struct fip_header *fiph); +void fnic_vlan_discovery_timeout(struct fnic *fnic); + +extern struct workqueue_struct *fnic_fip_queue; + +#ifdef FNIC_DEBUG +static inline void +fnic_debug_dump_fip_frame(struct fnic *fnic, struct ethhdr *eth, + int len, char *pfx) +{ + struct fip_header *fiph = (struct fip_header *)(eth + 1); + u16 op = be16_to_cpu(fiph->fip_op); + u8 sub = fiph->fip_subcode; + + FNIC_FCS_DBG(KERN_DEBUG, fnic->host, fnic->fnic_num, + "FIP %s packet contents: op: 0x%x sub: 0x%x (len = %d)", + pfx, op, sub, len); + + fnic_debug_dump(fnic, (uint8_t *)eth, len); +} + +#else /* FNIC_DEBUG */ + +static inline void +fnic_debug_dump_fip_frame(struct fnic *fnic, struct ethhdr *eth, + int len, char *pfx) {} +#endif /* FNIC_DEBUG */ + +#endif /* _FIP_H_ */ |