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authorLinus Torvalds <torvalds@linux-foundation.org>2009-04-06 13:24:49 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-04-06 13:24:49 -0700
commit22eb5aa6c7940861f9603581665b9d9a1c60be30 (patch)
tree22890bcebae5647bcc1a29e7b544a1c5de2b1f8b /include
parentd7ca6f8cdffa5765e486edb3dada9121fba8e6aa (diff)
parent015640edb1f346e0b2eda703587c4cd1c310ec1d (diff)
downloadlinux-22eb5aa6c7940861f9603581665b9d9a1c60be30.tar.bz2
Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (74 commits) [SCSI] sg: fix q->queue_lock on scsi_error_handler path [SCSI] replace __inline with inline [SCSI] a2091: make 2 functions static [SCSI] a3000: make 2 functions static [SCSI] ses: #if 0 the unused ses_match_host() [SCSI] use kmem_cache_zalloc instead of kmem_cache_alloc/memset [SCSI] sg: fix iovec bugs introduced by the block layer conversion [SCSI] qlogicpti: use request_firmware [SCSI] advansys: use request_firmware [SCSI] qla1280: use request_firmware [SCSI] libiscsi: fix iscsi pool error path [SCSI] cxgb3i: call ddp release function directly [SCSI] cxgb3i: merge cxgb3i_ddp into cxgb3i module [SCSI] cxgb3i: close all tcp connections upon chip reset [SCSI] cxgb3i: re-read ddp settings information after chip reset [SCSI] cxgb3i: re-initialize ddp settings after chip reset [SCSI] cxgb3i: subscribe to error notification from cxgb3 driver [SCSI] aacraid driver update [SCSI] mptsas: remove unneeded check [SCSI] config: Make need for SCSI_CDROM clearer ...
Diffstat (limited to 'include')
-rw-r--r--include/scsi/fc/fc_fip.h237
-rw-r--r--include/scsi/fc_transport_fcoe.h54
-rw-r--r--include/scsi/libfc.h45
-rw-r--r--include/scsi/libfcoe.h227
4 files changed, 395 insertions, 168 deletions
diff --git a/include/scsi/fc/fc_fip.h b/include/scsi/fc/fc_fip.h
new file mode 100644
index 000000000000..0627a9ae6347
--- /dev/null
+++ b/include/scsi/fc/fc_fip.h
@@ -0,0 +1,237 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc. All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef _FC_FIP_H_
+#define _FC_FIP_H_
+
+/*
+ * This version is based on:
+ * http://www.t11.org/ftp/t11/pub/fc/bb-5/08-543v1.pdf
+ */
+
+/*
+ * The FIP ethertype eventually goes in net/if_ether.h.
+ */
+#ifndef ETH_P_FIP
+#define ETH_P_FIP 0x8914 /* FIP Ethertype */
+#endif
+
+#define FIP_DEF_PRI 128 /* default selection priority */
+#define FIP_DEF_FC_MAP 0x0efc00 /* default FCoE MAP (MAC OUI) value */
+#define FIP_DEF_FKA 8000 /* default FCF keep-alive/advert period (mS) */
+#define FIP_VN_KA_PERIOD 90000 /* required VN_port keep-alive period (mS) */
+#define FIP_FCF_FUZZ 100 /* random time added by FCF (mS) */
+
+/*
+ * Multicast MAC addresses. T11-adopted.
+ */
+#define FIP_ALL_FCOE_MACS ((u8[6]) { 1, 0x10, 0x18, 1, 0, 0 })
+#define FIP_ALL_ENODE_MACS ((u8[6]) { 1, 0x10, 0x18, 1, 0, 1 })
+#define FIP_ALL_FCF_MACS ((u8[6]) { 1, 0x10, 0x18, 1, 0, 2 })
+
+#define FIP_VER 1 /* version for fip_header */
+
+struct fip_header {
+ __u8 fip_ver; /* upper 4 bits are the version */
+ __u8 fip_resv1; /* reserved */
+ __be16 fip_op; /* operation code */
+ __u8 fip_resv2; /* reserved */
+ __u8 fip_subcode; /* lower 4 bits are sub-code */
+ __be16 fip_dl_len; /* length of descriptors in words */
+ __be16 fip_flags; /* header flags */
+} __attribute__((packed));
+
+#define FIP_VER_SHIFT 4
+#define FIP_VER_ENCAPS(v) ((v) << FIP_VER_SHIFT)
+#define FIP_VER_DECAPS(v) ((v) >> FIP_VER_SHIFT)
+#define FIP_BPW 4 /* bytes per word for lengths */
+
+/*
+ * fip_op.
+ */
+enum fip_opcode {
+ FIP_OP_DISC = 1, /* discovery, advertisement, etc. */
+ FIP_OP_LS = 2, /* Link Service request or reply */
+ FIP_OP_CTRL = 3, /* Keep Alive / Link Reset */
+ FIP_OP_VLAN = 4, /* VLAN discovery */
+ FIP_OP_VENDOR_MIN = 0xfff8, /* min vendor-specific opcode */
+ FIP_OP_VENDOR_MAX = 0xfffe, /* max vendor-specific opcode */
+};
+
+/*
+ * Subcodes for FIP_OP_DISC.
+ */
+enum fip_disc_subcode {
+ FIP_SC_SOL = 1, /* solicitation */
+ FIP_SC_ADV = 2, /* advertisement */
+};
+
+/*
+ * Subcodes for FIP_OP_LS.
+ */
+enum fip_trans_subcode {
+ FIP_SC_REQ = 1, /* request */
+ FIP_SC_REP = 2, /* reply */
+};
+
+/*
+ * Subcodes for FIP_OP_RESET.
+ */
+enum fip_reset_subcode {
+ FIP_SC_KEEP_ALIVE = 1, /* keep-alive from VN_Port */
+ FIP_SC_CLR_VLINK = 2, /* clear virtual link from VF_Port */
+};
+
+/*
+ * Subcodes for FIP_OP_VLAN.
+ */
+enum fip_vlan_subcode {
+ FIP_SC_VL_REQ = 1, /* request */
+ FIP_SC_VL_REP = 2, /* reply */
+};
+
+/*
+ * flags in header fip_flags.
+ */
+enum fip_flag {
+ FIP_FL_FPMA = 0x8000, /* supports FPMA fabric-provided MACs */
+ FIP_FL_SPMA = 0x4000, /* supports SPMA server-provided MACs */
+ FIP_FL_AVAIL = 0x0004, /* available for FLOGI/ELP */
+ FIP_FL_SOL = 0x0002, /* this is a solicited message */
+ FIP_FL_FPORT = 0x0001, /* sent from an F port */
+};
+
+/*
+ * Common descriptor header format.
+ */
+struct fip_desc {
+ __u8 fip_dtype; /* type - see below */
+ __u8 fip_dlen; /* length - in 32-bit words */
+};
+
+enum fip_desc_type {
+ FIP_DT_PRI = 1, /* priority for forwarder selection */
+ FIP_DT_MAC = 2, /* MAC address */
+ FIP_DT_MAP_OUI = 3, /* FC-MAP OUI */
+ FIP_DT_NAME = 4, /* switch name or node name */
+ FIP_DT_FAB = 5, /* fabric descriptor */
+ FIP_DT_FCOE_SIZE = 6, /* max FCoE frame size */
+ FIP_DT_FLOGI = 7, /* FLOGI request or response */
+ FIP_DT_FDISC = 8, /* FDISC request or response */
+ FIP_DT_LOGO = 9, /* LOGO request or response */
+ FIP_DT_ELP = 10, /* ELP request or response */
+ FIP_DT_VN_ID = 11, /* VN_Node Identifier */
+ FIP_DT_FKA = 12, /* advertisement keep-alive period */
+ FIP_DT_VENDOR = 13, /* vendor ID */
+ FIP_DT_VLAN = 14, /* vlan number */
+ FIP_DT_LIMIT, /* max defined desc_type + 1 */
+ FIP_DT_VENDOR_BASE = 128, /* first vendor-specific desc_type */
+};
+
+/*
+ * FIP_DT_PRI - priority descriptor.
+ */
+struct fip_pri_desc {
+ struct fip_desc fd_desc;
+ __u8 fd_resvd;
+ __u8 fd_pri; /* FCF priority: higher is better */
+} __attribute__((packed));
+
+/*
+ * FIP_DT_MAC - MAC address descriptor.
+ */
+struct fip_mac_desc {
+ struct fip_desc fd_desc;
+ __u8 fd_mac[ETH_ALEN];
+} __attribute__((packed));
+
+/*
+ * FIP_DT_MAP - descriptor.
+ */
+struct fip_map_desc {
+ struct fip_desc fd_desc;
+ __u8 fd_resvd[3];
+ __u8 fd_map[3];
+} __attribute__((packed));
+
+/*
+ * FIP_DT_NAME descriptor.
+ */
+struct fip_wwn_desc {
+ struct fip_desc fd_desc;
+ __u8 fd_resvd[2];
+ __be64 fd_wwn; /* 64-bit WWN, unaligned */
+} __attribute__((packed));
+
+/*
+ * FIP_DT_FAB descriptor.
+ */
+struct fip_fab_desc {
+ struct fip_desc fd_desc;
+ __be16 fd_vfid; /* virtual fabric ID */
+ __u8 fd_resvd;
+ __u8 fd_map[3]; /* FC-MAP value */
+ __be64 fd_wwn; /* fabric name, unaligned */
+} __attribute__((packed));
+
+/*
+ * FIP_DT_FCOE_SIZE descriptor.
+ */
+struct fip_size_desc {
+ struct fip_desc fd_desc;
+ __be16 fd_size;
+} __attribute__((packed));
+
+/*
+ * Descriptor that encapsulates an ELS or ILS frame.
+ * The encapsulated frame immediately follows this header, without
+ * SOF, EOF, or CRC.
+ */
+struct fip_encaps {
+ struct fip_desc fd_desc;
+ __u8 fd_resvd[2];
+} __attribute__((packed));
+
+/*
+ * FIP_DT_VN_ID - VN_Node Identifier descriptor.
+ */
+struct fip_vn_desc {
+ struct fip_desc fd_desc;
+ __u8 fd_mac[ETH_ALEN];
+ __u8 fd_resvd;
+ __u8 fd_fc_id[3];
+ __be64 fd_wwpn; /* port name, unaligned */
+} __attribute__((packed));
+
+/*
+ * FIP_DT_FKA - Advertisement keep-alive period.
+ */
+struct fip_fka_desc {
+ struct fip_desc fd_desc;
+ __u8 fd_resvd[2];
+ __be32 fd_fka_period; /* adv./keep-alive period in mS */
+} __attribute__((packed));
+
+/*
+ * FIP_DT_VENDOR descriptor.
+ */
+struct fip_vendor_desc {
+ struct fip_desc fd_desc;
+ __u8 fd_resvd[2];
+ __u8 fd_vendor_id[8];
+} __attribute__((packed));
+
+#endif /* _FC_FIP_H_ */
diff --git a/include/scsi/fc_transport_fcoe.h b/include/scsi/fc_transport_fcoe.h
deleted file mode 100644
index 8dca2af14ffc..000000000000
--- a/include/scsi/fc_transport_fcoe.h
+++ /dev/null
@@ -1,54 +0,0 @@
-#ifndef FC_TRANSPORT_FCOE_H
-#define FC_TRANSPORT_FCOE_H
-
-#include <linux/device.h>
-#include <linux/netdevice.h>
-#include <scsi/scsi_host.h>
-#include <scsi/libfc.h>
-
-/**
- * struct fcoe_transport - FCoE transport struct for generic transport
- * for Ethernet devices as well as pure HBAs
- *
- * @name: name for thsi transport
- * @bus: physical bus type (pci_bus_type)
- * @driver: physical bus driver for network device
- * @create: entry create function
- * @destroy: exit destroy function
- * @list: list of transports
- */
-struct fcoe_transport {
- char *name;
- unsigned short vendor;
- unsigned short device;
- struct bus_type *bus;
- struct device_driver *driver;
- int (*create)(struct net_device *device);
- int (*destroy)(struct net_device *device);
- bool (*match)(struct net_device *device);
- struct list_head list;
- struct list_head devlist;
- struct mutex devlock;
-};
-
-/**
- * MODULE_ALIAS_FCOE_PCI
- *
- * some care must be taken with this, vendor and device MUST be a hex value
- * preceded with 0x and with letters in lower case (0x12ab, not 0x12AB or 12AB)
- */
-#define MODULE_ALIAS_FCOE_PCI(vendor, device) \
- MODULE_ALIAS("fcoe-pci-" __stringify(vendor) "-" __stringify(device))
-
-/* exported funcs */
-int fcoe_transport_attach(struct net_device *netdev);
-int fcoe_transport_release(struct net_device *netdev);
-int fcoe_transport_register(struct fcoe_transport *t);
-int fcoe_transport_unregister(struct fcoe_transport *t);
-int fcoe_load_transport_driver(struct net_device *netdev);
-int __init fcoe_transport_init(void);
-int __exit fcoe_transport_exit(void);
-
-/* fcow_sw is the default transport */
-extern struct fcoe_transport fcoe_sw_transport;
-#endif /* FC_TRANSPORT_FCOE_H */
diff --git a/include/scsi/libfc.h b/include/scsi/libfc.h
index a70eafaad084..0303a6a098cc 100644
--- a/include/scsi/libfc.h
+++ b/include/scsi/libfc.h
@@ -22,6 +22,7 @@
#include <linux/timer.h>
#include <linux/if.h>
+#include <linux/percpu.h>
#include <scsi/scsi_transport.h>
#include <scsi/scsi_transport_fc.h>
@@ -661,7 +662,8 @@ struct fc_lport {
unsigned long boot_time;
struct fc_host_statistics host_stats;
- struct fcoe_dev_stats *dev_stats[NR_CPUS];
+ struct fcoe_dev_stats *dev_stats;
+
u64 wwpn;
u64 wwnn;
u8 retry_count;
@@ -694,11 +696,6 @@ struct fc_lport {
/*
* FC_LPORT HELPER FUNCTIONS
*****************************/
-static inline void *lport_priv(const struct fc_lport *lp)
-{
- return (void *)(lp + 1);
-}
-
static inline int fc_lport_test_ready(struct fc_lport *lp)
{
return lp->state == LPORT_ST_READY;
@@ -722,6 +719,42 @@ static inline void fc_lport_state_enter(struct fc_lport *lp,
lp->state = state;
}
+static inline int fc_lport_init_stats(struct fc_lport *lp)
+{
+ /* allocate per cpu stats block */
+ lp->dev_stats = alloc_percpu(struct fcoe_dev_stats);
+ if (!lp->dev_stats)
+ return -ENOMEM;
+ return 0;
+}
+
+static inline void fc_lport_free_stats(struct fc_lport *lp)
+{
+ free_percpu(lp->dev_stats);
+}
+
+static inline struct fcoe_dev_stats *fc_lport_get_stats(struct fc_lport *lp)
+{
+ return per_cpu_ptr(lp->dev_stats, smp_processor_id());
+}
+
+static inline void *lport_priv(const struct fc_lport *lp)
+{
+ return (void *)(lp + 1);
+}
+
+/**
+ * libfc_host_alloc() - Allocate a Scsi_Host with room for the fc_lport
+ * @sht: ptr to the scsi host templ
+ * @priv_size: size of private data after fc_lport
+ *
+ * Returns: ptr to Scsi_Host
+ */
+static inline struct Scsi_Host *
+libfc_host_alloc(struct scsi_host_template *sht, int priv_size)
+{
+ return scsi_host_alloc(sht, sizeof(struct fc_lport) + priv_size);
+}
/*
* LOCAL PORT LAYER
diff --git a/include/scsi/libfcoe.h b/include/scsi/libfcoe.h
index c41f7d0c6efc..666cc131732e 100644
--- a/include/scsi/libfcoe.h
+++ b/include/scsi/libfcoe.h
@@ -1,5 +1,6 @@
/*
- * Copyright(c) 2007 - 2008 Intel Corporation. All rights reserved.
+ * Copyright (c) 2008-2009 Cisco Systems, Inc. All rights reserved.
+ * Copyright (c) 2007-2008 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
@@ -20,134 +21,144 @@
#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 <scsi/fc/fc_fcoe.h>
#include <scsi/libfc.h>
/*
- * this percpu struct for fcoe
+ * FIP tunable parameters.
*/
-struct fcoe_percpu_s {
- int cpu;
- struct task_struct *thread;
- struct sk_buff_head fcoe_rx_list;
- struct page *crc_eof_page;
- int crc_eof_offset;
+#define FCOE_CTLR_START_DELAY 2000 /* mS after first adv. to choose FCF */
+#define FCOE_CTRL_SOL_TOV 2000 /* min. solicitation interval (mS) */
+#define FCOE_CTLR_FCF_LIMIT 20 /* max. number of FCF entries */
+
+/**
+ * enum fip_state - internal state of FCoE controller.
+ * @FIP_ST_DISABLED: controller has been disabled or not yet enabled.
+ * @FIP_ST_LINK_WAIT: the physical link is down or unusable.
+ * @FIP_ST_AUTO: determining whether to use FIP or non-FIP mode.
+ * @FIP_ST_NON_FIP: non-FIP mode selected.
+ * @FIP_ST_ENABLED: FIP mode selected.
+ */
+enum fip_state {
+ FIP_ST_DISABLED,
+ FIP_ST_LINK_WAIT,
+ FIP_ST_AUTO,
+ FIP_ST_NON_FIP,
+ FIP_ST_ENABLED,
};
-/*
- * the fcoe sw transport private data
+/**
+ * struct fcoe_ctlr - FCoE Controller and FIP state.
+ * @state: internal FIP state for network link and FIP or non-FIP mode.
+ * @lp: &fc_lport: libfc local port.
+ * @sel_fcf: currently selected FCF, or NULL.
+ * @fcfs: list of discovered FCFs.
+ * @fcf_count: number of discovered FCF entries.
+ * @sol_time: time when a multicast solicitation was last sent.
+ * @sel_time: time after which to select an FCF.
+ * @port_ka_time: time of next port keep-alive.
+ * @ctlr_ka_time: time of next controller keep-alive.
+ * @timer: timer struct used for all delayed events.
+ * @link_work: &work_struct for doing FCF selection.
+ * @recv_work: &work_struct for receiving FIP frames.
+ * @fip_recv_list: list of received FIP frames.
+ * @user_mfs: configured maximum FC frame size, including FC header.
+ * @flogi_oxid: exchange ID of most recent fabric login.
+ * @flogi_count: number of FLOGI attempts in AUTO mode.
+ * @link: current link status for libfc.
+ * @last_link: last link state reported to libfc.
+ * @map_dest: use the FC_MAP mode for destination MAC addresses.
+ * @dest_addr: MAC address of the selected FC forwarder.
+ * @ctl_src_addr: the native MAC address of our local port.
+ * @data_src_addr: the assigned MAC address for the local port after FLOGI.
+ * @send: LLD-supplied function to handle sending of FIP Ethernet frames.
+ * @update_mac: LLD-supplied function to handle changes to MAC addresses.
+ * @lock: lock protecting this structure.
+ *
+ * This structure is used by all FCoE drivers. It contains information
+ * needed by all FCoE low-level drivers (LLDs) as well as internal state
+ * for FIP, and fields shared with the LLDS.
*/
-struct fcoe_softc {
- struct list_head list;
+struct fcoe_ctlr {
+ enum fip_state state;
struct fc_lport *lp;
- struct net_device *real_dev;
- struct net_device *phys_dev; /* device with ethtool_ops */
- struct packet_type fcoe_packet_type;
- struct sk_buff_head fcoe_pending_queue;
- u8 fcoe_pending_queue_active;
-
+ struct fcoe_fcf *sel_fcf;
+ struct list_head fcfs;
+ 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 link_work;
+ struct work_struct recv_work;
+ struct sk_buff_head fip_recv_list;
+ u16 user_mfs;
+ u16 flogi_oxid;
+ u8 flogi_count;
+ u8 link;
+ u8 last_link;
+ u8 map_dest;
u8 dest_addr[ETH_ALEN];
u8 ctl_src_addr[ETH_ALEN];
u8 data_src_addr[ETH_ALEN];
- /*
- * fcoe protocol address learning related stuff
- */
- u16 flogi_oxid;
- u8 flogi_progress;
- u8 address_mode;
-};
-
-static inline struct net_device *fcoe_netdev(
- const struct fc_lport *lp)
-{
- return ((struct fcoe_softc *)lport_priv(lp))->real_dev;
-}
-
-static inline struct fcoe_hdr *skb_fcoe_header(const struct sk_buff *skb)
-{
- return (struct fcoe_hdr *)skb_network_header(skb);
-}
-
-static inline int skb_fcoe_offset(const struct sk_buff *skb)
-{
- return skb_network_offset(skb);
-}
-
-static inline struct fc_frame_header *skb_fc_header(const struct sk_buff *skb)
-{
- return (struct fc_frame_header *)skb_transport_header(skb);
-}
-
-static inline int skb_fc_offset(const struct sk_buff *skb)
-{
- return skb_transport_offset(skb);
-}
-static inline void skb_reset_fc_header(struct sk_buff *skb)
-{
- skb_reset_network_header(skb);
- skb_set_transport_header(skb, skb_network_offset(skb) +
- sizeof(struct fcoe_hdr));
-}
-
-static inline bool skb_fc_is_data(const struct sk_buff *skb)
-{
- return skb_fc_header(skb)->fh_r_ctl == FC_RCTL_DD_SOL_DATA;
-}
-
-static inline bool skb_fc_is_cmd(const struct sk_buff *skb)
-{
- return skb_fc_header(skb)->fh_r_ctl == FC_RCTL_DD_UNSOL_CMD;
-}
+ void (*send)(struct fcoe_ctlr *, struct sk_buff *);
+ void (*update_mac)(struct fcoe_ctlr *, u8 *old, u8 *new);
+ spinlock_t lock;
+};
-static inline bool skb_fc_has_exthdr(const struct sk_buff *skb)
-{
- return (skb_fc_header(skb)->fh_r_ctl == FC_RCTL_VFTH) ||
- (skb_fc_header(skb)->fh_r_ctl == FC_RCTL_IFRH) ||
- (skb_fc_header(skb)->fh_r_ctl == FC_RCTL_ENCH);
-}
+/*
+ * struct fcoe_fcf - Fibre-Channel Forwarder.
+ * @list: list linkage.
+ * @time: system time (jiffies) when an advertisement was last received.
+ * @switch_name: WWN of switch from advertisement.
+ * @fabric_name: WWN of fabric from advertisement.
+ * @fc_map: FC_MAP value from advertisement.
+ * @fcf_mac: Ethernet address of the FCF.
+ * @vfid: virtual fabric ID.
+ * @pri: seletion priority, smaller values are better.
+ * @flags: flags received from advertisement.
+ * @fka_period: keep-alive period, in jiffies.
+ *
+ * A Fibre-Channel Forwarder (FCF) is the entity on the Ethernet that
+ * passes FCoE frames on to an FC fabric. This structure represents
+ * one FCF from which advertisements have been received.
+ *
+ * When looking up an FCF, @switch_name, @fabric_name, @fc_map, @vfid, and
+ * @fcf_mac together form the lookup key.
+ */
+struct fcoe_fcf {
+ struct list_head list;
+ unsigned long time;
-static inline bool skb_fc_is_roff(const struct sk_buff *skb)
-{
- return skb_fc_header(skb)->fh_f_ctl[2] & FC_FC_REL_OFF;
-}
+ u64 switch_name;
+ u64 fabric_name;
+ u32 fc_map;
+ u16 vfid;
+ u8 fcf_mac[ETH_ALEN];
-static inline u16 skb_fc_oxid(const struct sk_buff *skb)
-{
- return be16_to_cpu(skb_fc_header(skb)->fh_ox_id);
-}
+ u8 pri;
+ u16 flags;
+ u32 fka_period;
+};
-static inline u16 skb_fc_rxid(const struct sk_buff *skb)
-{
- return be16_to_cpu(skb_fc_header(skb)->fh_rx_id);
-}
+/* FIP API functions */
+void fcoe_ctlr_init(struct fcoe_ctlr *);
+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 sk_buff *);
+void fcoe_ctlr_recv(struct fcoe_ctlr *, struct sk_buff *);
+int fcoe_ctlr_recv_flogi(struct fcoe_ctlr *, struct fc_frame *fp, u8 *sa);
/* libfcoe funcs */
-int fcoe_reset(struct Scsi_Host *shost);
-u64 fcoe_wwn_from_mac(unsigned char mac[MAX_ADDR_LEN],
- unsigned int scheme, unsigned int port);
-
-u32 fcoe_fc_crc(struct fc_frame *fp);
-int fcoe_xmit(struct fc_lport *, struct fc_frame *);
-int fcoe_rcv(struct sk_buff *, struct net_device *,
- struct packet_type *, struct net_device *);
-
-int fcoe_percpu_receive_thread(void *arg);
-void fcoe_clean_pending_queue(struct fc_lport *lp);
-void fcoe_percpu_clean(struct fc_lport *lp);
-void fcoe_watchdog(ulong vp);
-int fcoe_link_ok(struct fc_lport *lp);
-
-struct fc_lport *fcoe_hostlist_lookup(const struct net_device *);
-int fcoe_hostlist_add(const struct fc_lport *);
-int fcoe_hostlist_remove(const struct fc_lport *);
-
-struct Scsi_Host *fcoe_host_alloc(struct scsi_host_template *, int);
+u64 fcoe_wwn_from_mac(unsigned char mac[], unsigned int, unsigned int);
int fcoe_libfc_config(struct fc_lport *, struct libfc_function_template *);
-/* fcoe sw hba */
-int __init fcoe_sw_init(void);
-int __exit fcoe_sw_exit(void);
#endif /* _LIBFCOE_H */