Revert "[SCSI] fcoe: cleans up libfcoe.h and adds fcoe.h for fcoe module"

This reverts commit 0c3cb56ec3321b23e9826cccf822470717be6e08.

3 files changed, 143 insertions, 105 deletions

diff --git a/drivers/scsi/fcoe/fcoe.c b/drivers/scsi/fcoe/fcoe.c
index 6cd64ffcdfde..42eee5b7e5c5 100644
--- a/drivers/scsi/fcoe/fcoe.c
+++ b/drivers/scsi/fcoe/fcoe.c
@@ -19,12 +19,15 @@
 
 #include <linux/module.h>
 #include <linux/version.h>
+#include <linux/kernel.h>
 #include <linux/spinlock.h>
+#include <linux/skbuff.h>
 #include <linux/netdevice.h>
 #include <linux/etherdevice.h>
 #include <linux/ethtool.h>
 #include <linux/if_ether.h>
 #include <linux/if_vlan.h>
+#include <linux/kthread.h>
 #include <linux/crc32.h>
 #include <linux/cpu.h>
 #include <linux/fs.h>
@@ -42,10 +45,29 @@
 #include <scsi/fc_frame.h>
 #include <scsi/libfcoe.h>
 
-#include "fcoe.h"
-
 static int debug_fcoe;
 
+#define FCOE_MAX_QUEUE_DEPTH  256
+#define FCOE_LOW_QUEUE_DEPTH  32
+
+/* destination address mode */
+#define FCOE_GW_ADDR_MODE	    0x00
+#define FCOE_FCOUI_ADDR_MODE	    0x01
+
+#define FCOE_WORD_TO_BYTE  4
+
+#define FCOE_VERSION	"0.1"
+#define	FCOE_NAME	"fcoe"
+#define	FCOE_VENDOR	"Open-FCoE.org"
+
+#define FCOE_MAX_LUN		255
+#define FCOE_MAX_FCP_TARGET	256
+
+#define FCOE_MAX_OUTSTANDING_COMMANDS	1024
+
+#define FCOE_MIN_XID		0x0001	/* the min xid supported by fcoe_sw */
+#define FCOE_MAX_XID		0x07ef	/* the max xid supported by fcoe_sw */
+
 MODULE_AUTHOR("Open-FCoE.org");
 MODULE_DESCRIPTION("FCoE");
 MODULE_LICENSE("GPL v2");
@@ -56,22 +78,8 @@ DEFINE_RWLOCK(fcoe_hostlist_lock);
 DEFINE_TIMER(fcoe_timer, NULL, 0, 0);
 DEFINE_PER_CPU(struct fcoe_percpu_s, fcoe_percpu);
 
-/* Function Prototyes */
-static int fcoe_reset(struct Scsi_Host *shost);
-static int fcoe_xmit(struct fc_lport *, struct fc_frame *);
-static int fcoe_rcv(struct sk_buff *, struct net_device *,
-		    struct packet_type *, struct net_device *);
-static int fcoe_percpu_receive_thread(void *arg);
-static void fcoe_clean_pending_queue(struct fc_lport *lp);
-static void fcoe_percpu_clean(struct fc_lport *lp);
-static int fcoe_link_ok(struct fc_lport *lp);
-
-static struct fc_lport *fcoe_hostlist_lookup(const struct net_device *);
-static int fcoe_hostlist_add(const struct fc_lport *);
-static int fcoe_hostlist_remove(const struct fc_lport *);
-
-static struct Scsi_Host *fcoe_host_alloc(struct scsi_host_template *, int);
 
+/* Function Prototyes */
 static int fcoe_check_wait_queue(struct fc_lport *);
 static void fcoe_recv_flogi(struct fcoe_softc *, struct fc_frame *, u8 *);
 static int fcoe_device_notification(struct notifier_block *, ulong, void *);
diff --git a/drivers/scsi/fcoe/fcoe.h b/drivers/scsi/fcoe/fcoe.h
deleted file mode 100644
index 4a9611f5a589..000000000000
--- a/drivers/scsi/fcoe/fcoe.h
+++ /dev/null
@@ -1,86 +0,0 @@
-/*
- * Copyright(c) 2009 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,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Maintained at www.Open-FCoE.org
- */
-
-#ifndef _FCOE_H_
-#define _FCOE_H_
-
-#include <linux/skbuff.h>
-#include <linux/kthread.h>
-
-#define FCOE_MAX_QUEUE_DEPTH	256
-#define FCOE_LOW_QUEUE_DEPTH	32
-
-/* destination address mode */
-#define FCOE_GW_ADDR_MODE	0x00
-#define FCOE_FCOUI_ADDR_MODE	0x01
-
-#define FCOE_WORD_TO_BYTE	4
-
-#define FCOE_VERSION	"0.1"
-#define FCOE_NAME	"fcoe"
-#define FCOE_VENDOR	"Open-FCoE.org"
-
-#define FCOE_MAX_LUN		255
-#define FCOE_MAX_FCP_TARGET	256
-
-#define FCOE_MAX_OUTSTANDING_COMMANDS	1024
-
-#define FCOE_MIN_XID		0x0001	/* the min xid supported by fcoe_sw */
-#define FCOE_MAX_XID		0x07ef	/* the max xid supported by fcoe_sw */
-
-/*
- * this percpu struct for fcoe
- */
-struct fcoe_percpu_s {
-	struct task_struct *thread;
-	struct sk_buff_head fcoe_rx_list;
-	struct page *crc_eof_page;
-	int crc_eof_offset;
-};
-
-/*
- * the fcoe sw transport private data
- */
-struct fcoe_softc {
-	struct list_head list;
-	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;
-
-	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;
-}
-
-#endif /* _FCOE_H_ */
diff --git a/include/scsi/libfcoe.h b/include/scsi/libfcoe.h
index d07ebe688403..e99633cefd37 100644
--- a/include/scsi/libfcoe.h
+++ b/include/scsi/libfcoe.h
@@ -25,8 +25,124 @@
 #include <scsi/fc/fc_fcoe.h>
 #include <scsi/libfc.h>
 
+/*
+ * this percpu struct for fcoe
+ */
+struct fcoe_percpu_s {
+	struct task_struct *thread;
+	struct sk_buff_head fcoe_rx_list;
+	struct page *crc_eof_page;
+	int crc_eof_offset;
+};
+
+/*
+ * the fcoe sw transport private data
+ */
+struct fcoe_softc {
+	struct list_head list;
+	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;
+
+	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;
+}
+
+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);
+}
+
+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;
+}
+
+static inline u16 skb_fc_oxid(const struct sk_buff *skb)
+{
+	return be16_to_cpu(skb_fc_header(skb)->fh_ox_id);
+}
+
+static inline u16 skb_fc_rxid(const struct sk_buff *skb)
+{
+	return be16_to_cpu(skb_fc_header(skb)->fh_rx_id);
+}
+
 /* libfcoe funcs */
-u64 fcoe_wwn_from_mac(unsigned char mac[], unsigned int, unsigned int);
-int fcoe_libfc_config(struct fc_lport *, struct libfc_function_template *);
+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);
+int fcoe_libfc_config(struct fc_lport *, struct libfc_function_template *);
 #endif /* _LIBFCOE_H */