4 files changed, 65 insertions, 14 deletions

diff --git a/include/scsi/fc/fc_els.h b/include/scsi/fc/fc_els.h
index f94328132a26..481abbd48e39 100644
--- a/include/scsi/fc/fc_els.h
+++ b/include/scsi/fc/fc_els.h
@@ -191,6 +191,7 @@ enum fc_els_rjt_reason {
         ELS_RJT_UNAB =          0x09,   /* unable to perform command request */
         ELS_RJT_UNSUP =         0x0b,   /* command not supported */
         ELS_RJT_INPROG =        0x0e,   /* command already in progress */
+        ELS_RJT_FIP =           0x20,   /* FIP error */
         ELS_RJT_VENDOR =        0xff,   /* vendor specific error */
 };
 
@@ -212,6 +213,7 @@ enum fc_els_rjt_explan {
         ELS_EXPL_UNAB_DATA =    0x2a,   /* unable to supply requested data */
         ELS_EXPL_UNSUPR =       0x2c,   /* Request not supported */
         ELS_EXPL_INV_LEN =      0x2d,   /* Invalid payload length */
+        ELS_EXPL_NOT_NEIGHBOR = 0x62,   /* VN2VN_Port not in neighbor set */
         /* TBD - above definitions incomplete */
 };
 
@@ -405,6 +407,15 @@ struct fc_els_prli {
 };
 
 /*
+ * ELS_PRLO - Process logout request and response.
+ */
+struct fc_els_prlo {
+        __u8            prlo_cmd;       /* command */
+        __u8            prlo_obs;       /* obsolete, but shall be set to 10h */
+        __be16          prlo_len;       /* payload length */
+};
+
+/*
  * ELS_ADISC payload
  */
 struct fc_els_adisc {
diff --git a/include/scsi/fc/fc_fcoe.h b/include/scsi/fc/fc_fcoe.h
index e6ad3d2ae475..d5dcd6062815 100644
--- a/include/scsi/fc/fc_fcoe.h
+++ b/include/scsi/fc/fc_fcoe.h
@@ -22,23 +22,18 @@
 
 /*
  * FCoE - Fibre Channel over Ethernet.
+ * See T11 FC-BB-5 Rev 2.00 (09-056v5.pdf)
  */
 
 /*
- * FC_FCOE_OUI hasn't been standardized yet.   XXX TBD.
+ * Default FC_FCOE_OUI / FC-MAP value.
  */
-#ifndef FC_FCOE_OUI
-#define FC_FCOE_OUI     0x0efc00        /* upper 24 bits of FCOE dest MAC TBD */
-#endif
+#define FC_FCOE_OUI     0x0efc00        /* upper 24 bits of FCOE MAC */
 
 /*
- * The destination MAC address for the fabric login may get a different OUI.
- * This isn't standardized yet.
+ * Fabric Login (FLOGI) MAC for non-FIP use.  Non-FIP use is deprecated.
  */
-#ifndef FC_FCOE_FLOGI_MAC
-/* gateway MAC - TBD */
 #define FC_FCOE_FLOGI_MAC { 0x0e, 0xfc, 0x00, 0xff, 0xff, 0xfe }
-#endif
 
 #define FC_FCOE_VER     0                       /* version */
 
@@ -51,8 +46,6 @@
 
 /*
  * FCoE frame header - 14 bytes
- *
- * This is the August 2007 version of the FCoE header as defined by T11.
  * This follows the VLAN header, which includes the ethertype.
  */
 struct fcoe_hdr {
diff --git a/include/scsi/fc/fc_fip.h b/include/scsi/fc/fc_fip.h
index 17baa19380f0..ae25d4ab2548 100644
--- a/include/scsi/fc/fc_fip.h
+++ b/include/scsi/fc/fc_fip.h
@@ -17,9 +17,12 @@
 #ifndef _FC_FIP_H_
 #define _FC_FIP_H_
 
+#include <scsi/fc/fc_ns.h>
+
 /*
  * This version is based on:
  * http://www.t11.org/ftp/t11/pub/fc/bb-5/08-543v1.pdf
+ * and T11 FC-BB-6 10-019v4.pdf (June 2010 VN2VN proposal)
  */
 
 #define FIP_DEF_PRI     128     /* default selection priority */
@@ -29,11 +32,24 @@
 #define FIP_FCF_FUZZ    100     /* random time added by FCF (mS) */
 
 /*
+ * VN2VN proposed-standard values.
+ */
+#define FIP_VN_FC_MAP   0x0efd00 /* MAC OUI for VN2VN use */
+#define FIP_VN_PROBE_WAIT 100   /* interval between VN2VN probes (ms) */
+#define FIP_VN_ANN_WAIT 400     /* interval between VN2VN announcements (ms) */
+#define FIP_VN_RLIM_INT 10000   /* interval between probes when rate limited */
+#define FIP_VN_RLIM_COUNT 10    /* number of probes before rate limiting */
+#define FIP_VN_BEACON_INT 8000  /* interval between VN2VN beacons */
+#define FIP_VN_BEACON_FUZZ 100  /* random time to add to beacon period (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_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_ALL_VN2VN_MACS      ((__u8[6]) { 1, 0x10, 0x18, 1, 0, 4 })
+#define FIP_ALL_P2P_MACS        ((__u8[6]) { 1, 0x10, 0x18, 1, 0, 5 })
 
 #define FIP_VER         1               /* version for fip_header */
 
@@ -60,6 +76,7 @@ enum fip_opcode {
         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_VN2VN =  5,              /* VN2VN operation */
         FIP_OP_VENDOR_MIN = 0xfff8,     /* min vendor-specific opcode */
         FIP_OP_VENDOR_MAX = 0xfffe,     /* max vendor-specific opcode */
 };
@@ -97,11 +114,23 @@ enum fip_vlan_subcode {
 };
 
 /*
+ * Subcodes for FIP_OP_VN2VN.
+ */
+enum fip_vn2vn_subcode {
+        FIP_SC_VN_PROBE_REQ = 1,        /* probe request */
+        FIP_SC_VN_PROBE_REP = 2,        /* probe reply */
+        FIP_SC_VN_CLAIM_NOTIFY = 3,     /* claim notification */
+        FIP_SC_VN_CLAIM_REP = 4,        /* claim response */
+        FIP_SC_VN_BEACON = 5,           /* beacon */
+};
+
+/*
  * 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_REC_OR_P2P = 0x0008,     /* configured addr or point-to-point */
         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 */
@@ -130,6 +159,7 @@ enum fip_desc_type {
         FIP_DT_FKA =    12,             /* advertisement keep-alive period */
         FIP_DT_VENDOR = 13,             /* vendor ID */
         FIP_DT_VLAN =   14,             /* vlan number */
+        FIP_DT_FC4F =   15,             /* FC-4 features */
         FIP_DT_LIMIT,                   /* max defined desc_type + 1 */
         FIP_DT_VENDOR_BASE = 128,       /* first vendor-specific desc_type */
 };
@@ -229,6 +259,16 @@ enum fip_fka_flags {
 /* FIP_DT_FKA flags */
 
 /*
+ * FIP_DT_FC4F - FC-4 features.
+ */
+struct fip_fc4_feat {
+        struct fip_desc fd_desc;
+        __u8            fd_resvd[2];
+        struct fc_ns_fts fd_fts;
+        struct fc_ns_ff fd_ff;
+} __attribute__((packed));
+
+/*
  * FIP_DT_VENDOR descriptor.
  */
 struct fip_vendor_desc {
diff --git a/include/scsi/fc/fc_ns.h b/include/scsi/fc/fc_ns.h
index e7d3ac497d7d..185015dd1166 100644
--- a/include/scsi/fc/fc_ns.h
+++ b/include/scsi/fc/fc_ns.h
@@ -100,6 +100,13 @@ struct fc_ns_fts {
 };
 
 /*
+ * FC4-features object.
+ */
+struct fc_ns_ff {
+        __be32  fd_feat[FC_NS_TYPES * 4 / FC_NS_BPW]; /* 4-bits per FC-type */
+};
+
+/*
  * GID_PT request.
  */
 struct fc_ns_gid_pt {