4 files changed, 32 insertions, 1 deletions

diff --git a/include/scsi/fc/fc_fcp.h b/include/scsi/fc/fc_fcp.h
index 5d38f1989f37..29ecb0b02b09 100644
--- a/include/scsi/fc/fc_fcp.h
+++ b/include/scsi/fc/fc_fcp.h
@@ -196,4 +196,10 @@ struct fcp_srr {
         __u8            srr_resvd2[3];  /* reserved */
 };
 
+/*
+ * Feature bits in name server FC-4 Features object.
+ */
+#define FCP_FEAT_TARG   (1 << 0)        /* target function supported */
+#define FCP_FEAT_INIT   (1 << 1)        /* initiator function supported */
+
 #endif /* _FC_FCP_H_ */
diff --git a/include/scsi/fc/fc_ns.h b/include/scsi/fc/fc_ns.h
index f4d354eb26b9..e7d3ac497d7d 100644
--- a/include/scsi/fc/fc_ns.h
+++ b/include/scsi/fc/fc_ns.h
@@ -46,10 +46,11 @@ enum fc_ns_req {
         FC_NS_GID_FT =  0x0171,         /* get IDs by FC4 type */
         FC_NS_GPN_FT =  0x0172,         /* get port names by FC4 type */
         FC_NS_GID_PT =  0x01a1,         /* get IDs by port type */
-        FC_NS_RFT_ID =  0x0217,         /* reg FC4 type for ID */
         FC_NS_RPN_ID =  0x0212,         /* reg port name for ID */
         FC_NS_RNN_ID =  0x0213,         /* reg node name for ID */
+        FC_NS_RFT_ID =  0x0217,         /* reg FC4 type for ID */
         FC_NS_RSPN_ID = 0x0218,         /* reg symbolic port name */
+        FC_NS_RFF_ID =  0x021f,         /* reg FC4 Features for ID */
         FC_NS_RSNN_NN = 0x0239,         /* reg symbolic node name */
 };
 
@@ -178,4 +179,14 @@ struct fc_ns_rspn {
         char            fr_name[];
 } __attribute__((__packed__));
 
+/*
+ * RFF_ID request - register FC-4 Features for ID.
+ */
+struct fc_ns_rff_id {
+        struct fc_ns_fid fr_fid;        /* port ID object */
+        __u8            fr_resvd[2];
+        __u8            fr_feat;        /* FC-4 Feature bits */
+        __u8            fr_type;        /* FC-4 type */
+} __attribute__((__packed__));
+
 #endif /* _FC_NS_H_ */
diff --git a/include/scsi/fc_encode.h b/include/scsi/fc_encode.h
index ab2260cb149c..8eb0a0fc0a71 100644
--- a/include/scsi/fc_encode.h
+++ b/include/scsi/fc_encode.h
@@ -32,6 +32,7 @@ struct fc_ct_req {
                 struct fc_ns_gid_ft gid;
                 struct fc_ns_rn_id  rn;
                 struct fc_ns_rft rft;
+                struct fc_ns_rff_id rff;
                 struct fc_ns_fid fid;
                 struct fc_ns_rsnn snn;
                 struct fc_ns_rspn spn;
@@ -131,6 +132,17 @@ static inline int fc_ct_fill(struct fc_lport *lport,
                 ct->payload.rft.fts = lport->fcts;
                 break;
 
+        case FC_NS_RFF_ID:
+                ct = fc_ct_hdr_fill(fp, op, sizeof(struct fc_ns_rff_id));
+                hton24(ct->payload.rff.fr_fid.fp_fid,
+                       fc_host_port_id(lport->host));
+                ct->payload.rff.fr_type = FC_TYPE_FCP;
+                if (lport->service_params & FCP_SPPF_INIT_FCN)
+                        ct->payload.rff.fr_feat = FCP_FEAT_INIT;
+                if (lport->service_params & FCP_SPPF_TARG_FCN)
+                        ct->payload.rff.fr_feat |= FCP_FEAT_TARG;
+                break;
+
         case FC_NS_RNN_ID:
                 ct = fc_ct_hdr_fill(fp, op, sizeof(struct fc_ns_rn_id));
                 hton24(ct->payload.rn.fr_fid.fp_fid,
diff --git a/include/scsi/libfc.h b/include/scsi/libfc.h
index 67ce9fa1fee4..2936fbae41e4 100644
--- a/include/scsi/libfc.h
+++ b/include/scsi/libfc.h
@@ -62,6 +62,7 @@
  * @LPORT_ST_DNS:      Waiting for name server remote port to become ready
  * @LPORT_ST_RPN_ID:   Register port name by ID (RPN_ID) sent
  * @LPORT_ST_RFT_ID:   Register Fibre Channel types by ID (RFT_ID) sent
+ * @LPORT_ST_RFF_ID:   Register FC-4 Features by ID (RFF_ID) sent
  * @LPORT_ST_SCR:      State Change Register (SCR) sent
  * @LPORT_ST_READY:    Ready for use
  * @LPORT_ST_LOGO:     Local port logout (LOGO) sent
@@ -75,6 +76,7 @@ enum fc_lport_state {
         LPORT_ST_RSNN_NN,
         LPORT_ST_RSPN_ID,
         LPORT_ST_RFT_ID,
+        LPORT_ST_RFF_ID,
         LPORT_ST_SCR,
         LPORT_ST_READY,
         LPORT_ST_LOGO,