1 files changed, 71 insertions, 0 deletions

diff --git a/drivers/scsi/libfc/fc_elsct.c b/drivers/scsi/libfc/fc_elsct.c
new file mode 100644
index 000000000000..dd47fe619d1e
--- /dev/null
+++ b/drivers/scsi/libfc/fc_elsct.c
@@ -0,0 +1,71 @@
+/*
+ * Copyright(c) 2008 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
+ */
+
+/*
+ * Provide interface to send ELS/CT FC frames
+ */
+
+#include <asm/unaligned.h>
+#include <scsi/fc/fc_gs.h>
+#include <scsi/fc/fc_ns.h>
+#include <scsi/fc/fc_els.h>
+#include <scsi/libfc.h>
+#include <scsi/fc_encode.h>
+
+/*
+ * fc_elsct_send - sends ELS/CT frame
+ */
+static struct fc_seq *fc_elsct_send(struct fc_lport *lport,
+                                    struct fc_rport *rport,
+                                    struct fc_frame *fp,
+                                    unsigned int op,
+                                    void (*resp)(struct fc_seq *,
+                                                 struct fc_frame *fp,
+                                                 void *arg),
+                                    void *arg, u32 timer_msec)
+{
+        enum fc_rctl r_ctl;
+        u32 did;
+        enum fc_fh_type fh_type;
+        int rc;
+
+        /* ELS requests */
+        if ((op >= ELS_LS_RJT) && (op <= ELS_AUTH_ELS))
+                rc = fc_els_fill(lport, rport, fp, op, &r_ctl, &did, &fh_type);
+        else
+                /* CT requests */
+                rc = fc_ct_fill(lport, fp, op, &r_ctl, &did, &fh_type);
+
+        if (rc)
+                return NULL;
+
+        fc_fill_fc_hdr(fp, r_ctl, did, fc_host_port_id(lport->host), fh_type,
+                       FC_FC_FIRST_SEQ | FC_FC_END_SEQ | FC_FC_SEQ_INIT, 0);
+
+        return lport->tt.exch_seq_send(lport, fp, resp, NULL, arg, timer_msec);
+}
+
+int fc_elsct_init(struct fc_lport *lport)
+{
+        if (!lport->tt.elsct_send)
+                lport->tt.elsct_send = fc_elsct_send;
+
+        return 0;
+}
+EXPORT_SYMBOL(fc_elsct_init);