Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland...

[karo-tx-linux.git] / include / scsi / fc / fc_fip.h

diff --git a/include/scsi/fc/fc_fip.h b/include/scsi/fc/fc_fip.h
index 17baa19380f05f91a4158e805179482b74db45e9..ae25d4ab25486311c59d1954219c4a52eeea0f34 100644 (file)
--- 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 */
@@ -28,12 +31,25 @@
 #define FIP_VN_KA_PERIOD 90000 /* required VN_port keep-alive period (mS) */
 #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 */
 };
@@ -96,12 +113,24 @@ enum fip_vlan_subcode {
        FIP_SC_VL_REP = 2,              /* reply */
 };
 
+/*
+ * 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 */
 };
@@ -228,6 +258,16 @@ 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.
  */