The libfc stack generates an RTV request, so we should be implementing
an RTV responder, too.
Signed-off-by: Hannes Reinecke <h...@suse.com>
---
drivers/scsi/libfc/fc_rport.c | 37 +++++++++++++++++++++++++++++++++++++
1 file changed, 37 insertions(+)
diff --git a/drivers/scsi/libfc/fc_rport.c b/drivers/scsi/libfc/fc_rport.c
index 6a25771..7fb6685 100644
--- a/drivers/scsi/libfc/fc_rport.c
+++ b/drivers/scsi/libfc/fc_rport.c
@@ -1330,6 +1330,40 @@ static void fc_rport_enter_rtv(struct fc_rport_priv
*rdata)
}
/**
+ * fc_rport_recv_rtv_req() - Handler for Read Timeout Value (RTV) requests
+ * @rdata: The remote port that sent the RTV request
+ * @in_fp: The RTV request frame
+ *
+ * Locking Note: Called with the lport and rport locks held.
+ */
+static void fc_rport_recv_rtv_req(struct fc_rport_priv *rdata,
+ struct fc_frame *in_fp)
+{
+ struct fc_lport *lport = rdata->local_port;
+ struct fc_frame *fp;
+ struct fc_els_rtv_acc *rtv;
+ struct fc_seq_els_data rjt_data;
+
+ FC_RPORT_DBG(rdata, "Received RTV request\n");
+
+ fp = fc_frame_alloc(lport, sizeof(*rtv));
+ if (!fp) {
+ rjt_data.reason = ELS_RJT_UNAB;
+ rjt_data.reason = ELS_EXPL_INSUF_RES;
+ lport->tt.seq_els_rsp_send(in_fp, ELS_LS_RJT, &rjt_data);
+ goto drop;
+ }
+ rtv = fc_frame_payload_get(fp, sizeof(*rtv));
+ rtv->rtv_cmd = ELS_LS_ACC;
+ rtv->rtv_r_a_tov = lport->r_a_tov;
+ rtv->rtv_e_d_tov = lport->e_d_tov;
+ fc_fill_reply_hdr(fp, in_fp, FC_RCTL_ELS_REP, 0);
+ lport->tt.frame_send(lport, fp);
+drop:
+ fc_frame_free(in_fp);
+}
+
+/**
* fc_rport_logo_resp() - Handler for logout (LOGO) responses
* @sp: The sequence the LOGO was on
* @fp: The LOGO response frame
@@ -1627,6 +1661,9 @@ static void fc_rport_recv_els_req(struct fc_lport *lport,
struct fc_frame *fp)
case ELS_RLS:
fc_rport_recv_rls_req(rdata, fp);
break;
+ case ELS_RTV:
+ fc_rport_recv_rtv_req(rdata, fp);
+ break;
default:
fc_frame_free(fp); /* can't happen */
break;
--
1.8.5.6
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