2 files changed, 22 insertions, 0 deletions

diff --git a/include/scsi/fc_encode.h b/include/scsi/fc_encode.h
index 24bf764f9884..c5ee6bb79e05 100644
--- a/include/scsi/fc_encode.h
+++ b/include/scsi/fc_encode.h
@@ -57,6 +57,23 @@ static inline void fc_fill_fc_hdr(struct fc_frame *fp, enum fc_rctl r_ctl,
 }
 
 /**
+ * fc_adisc_fill() - Fill in adisc request frame
+ * @lport: local port.
+ * @fp: fc frame where payload will be placed.
+ */
+static inline void fc_adisc_fill(struct fc_lport *lport, struct fc_frame *fp)
+{
+        struct fc_els_adisc *adisc;
+
+        adisc = fc_frame_payload_get(fp, sizeof(*adisc));
+        memset(adisc, 0, sizeof(*adisc));
+        adisc->adisc_cmd = ELS_ADISC;
+        put_unaligned_be64(lport->wwpn, &adisc->adisc_wwpn);
+        put_unaligned_be64(lport->wwnn, &adisc->adisc_wwnn);
+        hton24(adisc->adisc_port_id, fc_host_port_id(lport->host));
+}
+
+/**
  * fc_ct_hdr_fill- fills ct header and reset ct payload
  * returns pointer to ct request.
  */
@@ -255,6 +272,10 @@ static inline int fc_els_fill(struct fc_lport *lport,
                        enum fc_rctl *r_ctl, enum fc_fh_type *fh_type)
 {
         switch (op) {
+        case ELS_ADISC:
+                fc_adisc_fill(lport, fp);
+                break;
+
         case ELS_PLOGI:
                 fc_plogi_fill(lport, fp, ELS_PLOGI);
                 break;
diff --git a/include/scsi/libfc.h b/include/scsi/libfc.h
index e18e5ce5af51..65dc9aacbf70 100644
--- a/include/scsi/libfc.h
+++ b/include/scsi/libfc.h
@@ -143,6 +143,7 @@ enum fc_rport_state {
         RPORT_ST_RTV,           /* waiting for RTV completion */
         RPORT_ST_READY,         /* ready for use */
         RPORT_ST_LOGO,          /* port logout sent */
+        RPORT_ST_ADISC,         /* Discover Address sent */
         RPORT_ST_DELETE,        /* port being deleted */
 };