static void nvmf_log_connect_error()

in host/fabrics.c [268:341]

• 71 lines of code
• 11 McCabe index (conditional complexity)

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;

	switch (err_sctype) {
	case (NVME_SC_CONNECT_INVALID_PARAM):
		if (offset >> 16) {
			char *inv_data = "Connect Invalid Data Parameter";

			switch (offset & 0xffff) {
			case (offsetof(struct nvmf_connect_data, cntlid)):
				dev_err(ctrl->device,
					"%s, cntlid: %d\n",
					inv_data, data->cntlid);
				break;
			case (offsetof(struct nvmf_connect_data, hostnqn)):
				dev_err(ctrl->device,
					"%s, hostnqn \"%s\"\n",
					inv_data, data->hostnqn);
				break;
			case (offsetof(struct nvmf_connect_data, subsysnqn)):
				dev_err(ctrl->device,
					"%s, subsysnqn \"%s\"\n",
					inv_data, data->subsysnqn);
				break;
			default:
				dev_err(ctrl->device,
					"%s, starting byte offset: %d\n",
				       inv_data, offset & 0xffff);
				break;
			}
		} else {
			char *inv_sqe = "Connect Invalid SQE Parameter";

			switch (offset) {
			case (offsetof(struct nvmf_connect_command, qid)):
				dev_err(ctrl->device,
				       "%s, qid %d\n",
					inv_sqe, cmd->connect.qid);
				break;
			default:
				dev_err(ctrl->device,
					"%s, starting byte offset: %d\n",
					inv_sqe, offset);
			}
		}
		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;
	}
}