1 files changed, 29 insertions, 20 deletions

diff --git a/drivers/nvme/host/fabrics.c b/drivers/nvme/host/fabrics.c
index a2bb7fc63a73..1239a63e3ac2 100644
--- a/drivers/nvme/host/fabrics.c
+++ b/drivers/nvme/host/fabrics.c
@@ -112,6 +112,9 @@ int nvmf_get_address(struct nvme_ctrl *ctrl, char *buf, int size)
 	if (ctrl->opts->mask & NVMF_OPT_HOST_TRADDR)
 		len += scnprintf(buf + len, size - len, "%shost_traddr=%s",
 				(len) ? "," : "", ctrl->opts->host_traddr);
+	if (ctrl->opts->mask & NVMF_OPT_HOST_IFACE)
+		len += scnprintf(buf + len, size - len, "%shost_iface=%s",
+				(len) ? "," : "", ctrl->opts->host_iface);
 	len += scnprintf(buf + len, size - len, "\n");
 
 	return len;
@@ -254,28 +257,23 @@ int nvmf_reg_write32(struct nvme_ctrl *ctrl, u32 off, u32 val)
 EXPORT_SYMBOL_GPL(nvmf_reg_write32);
 
 /**
- * nvmf_log_connect_error() - Error-parsing-diagnostic print
- * out function for connect() errors.
- *
- * @ctrl: the specific /dev/nvmeX device that had the error.
- *
- * @errval: Error code to be decoded in a more human-friendly
- *	    printout.
- *
- * @offset: For use with the NVMe error code NVME_SC_CONNECT_INVALID_PARAM.
- *
- * @cmd: This is the SQE portion of a submission capsule.
- *
- * @data: This is the "Data" portion of a submission capsule.
+ * nvmf_log_connect_error() - Error-parsing-diagnostic print out function for
+ * 				connect() errors.
+ * @ctrl:	The specific /dev/nvmeX device that had the error.
+ * @errval:	Error code to be decoded in a more human-friendly
+ * 		printout.
+ * @offset:	For use with the NVMe error code
+ * 		NVME_SC_CONNECT_INVALID_PARAM.
+ * @cmd:	This is the SQE portion of a submission capsule.
+ * @data:	This is the "Data" portion of a submission capsule.
  */
 static void nvmf_log_connect_error(struct nvme_ctrl *ctrl,
 		int errval, int offset, struct nvme_command *cmd,
 		struct nvmf_connect_data *data)
 {
-	int err_sctype = errval & (~NVME_SC_DNR);
+	int err_sctype = errval & ~NVME_SC_DNR;
 
 	switch (err_sctype) {
-
 	case (NVME_SC_CONNECT_INVALID_PARAM):
 		if (offset >> 16) {
 			char *inv_data = "Connect Invalid Data Parameter";
@@ -318,30 +316,30 @@ static void nvmf_log_connect_error(struct nvme_ctrl *ctrl,
 			}
 		}
 		break;
-
 	case NVME_SC_CONNECT_INVALID_HOST:
 		dev_err(ctrl->device,
 			"Connect for subsystem %s is not allowed, hostnqn: %s\n",
 			data->subsysnqn, data->hostnqn);
 		break;
-
 	case NVME_SC_CONNECT_CTRL_BUSY:
 		dev_err(ctrl->device,
 			"Connect command failed: controller is busy or not available\n");
 		break;
-
 	case NVME_SC_CONNECT_FORMAT:
 		dev_err(ctrl->device,
 			"Connect incompatible format: %d",
 			cmd->connect.recfmt);
 		break;
-
+	case NVME_SC_HOST_PATH_ERROR:
+		dev_err(ctrl->device,
+			"Connect command failed: host path error\n");
+		break;
 	default:
 		dev_err(ctrl->device,
 			"Connect command failed, error wo/DNR bit: %d\n",
 			err_sctype);
 		break;
-	} /* switch (err_sctype) */
+	}
 }
 
 /**
@@ -545,6 +543,7 @@ static const match_table_t opt_tokens = {
 	{ NVMF_OPT_KATO,		"keep_alive_tmo=%d"	},
 	{ NVMF_OPT_HOSTNQN,		"hostnqn=%s"		},
 	{ NVMF_OPT_HOST_TRADDR,		"host_traddr=%s"	},
+	{ NVMF_OPT_HOST_IFACE,		"host_iface=%s"		},
 	{ NVMF_OPT_HOST_ID,		"hostid=%s"		},
 	{ NVMF_OPT_DUP_CONNECT,		"duplicate_connect"	},
 	{ NVMF_OPT_DISABLE_SQFLOW,	"disable_sqflow"	},
@@ -754,6 +753,15 @@ static int nvmf_parse_options(struct nvmf_ctrl_options *opts,
 			kfree(opts->host_traddr);
 			opts->host_traddr = p;
 			break;
+		case NVMF_OPT_HOST_IFACE:
+			p = match_strdup(args);
+			if (!p) {
+				ret = -ENOMEM;
+				goto out;
+			}
+			kfree(opts->host_iface);
+			opts->host_iface = p;
+			break;
 		case NVMF_OPT_HOST_ID:
 			p = match_strdup(args);
 			if (!p) {
@@ -938,6 +946,7 @@ void nvmf_free_options(struct nvmf_ctrl_options *opts)
 	kfree(opts->trsvcid);
 	kfree(opts->subsysnqn);
 	kfree(opts->host_traddr);
+	kfree(opts->host_iface);
 	kfree(opts);
 }
 EXPORT_SYMBOL_GPL(nvmf_free_options);