netlink/module.c - pub/scm/network/ethtool/ethtool - Git at Google

 /*
  * module.c - netlink implementation of module commands
  *
  * Implementation of "ethtool --show-module <dev>" and
  * "ethtool --set-module <dev> ..."
  */

 #include <errno.h>
 #include <ctype.h>
 #include <inttypes.h>
 #include <string.h>
 #include <stdio.h>
 #include <stdarg.h>

 #include "../internal.h"
 #include "../common.h"
 #include "netlink.h"
 #include "parser.h"

 /* MODULE_GET */

 static const char *module_power_mode_policy_name(u8 val)
 {
 	switch (val) {
 	case ETHTOOL_MODULE_POWER_MODE_POLICY_HIGH:
 		return "high";
 	case ETHTOOL_MODULE_POWER_MODE_POLICY_AUTO:
 		return "auto";
 	default:
 		return "unknown";
 	}
 }

 static const char *module_power_mode_name(u8 val)
 {
 	switch (val) {
 	case ETHTOOL_MODULE_POWER_MODE_LOW:
 		return "low";
 	case ETHTOOL_MODULE_POWER_MODE_HIGH:
 		return "high";
 	default:
 		return "unknown";
 	}
 }

 int module_reply_cb(const struct nlmsghdr *nlhdr, void *data)
 {
 	const struct nlattr *tb[ETHTOOL_A_MODULE_MAX + 1] = {};
 	struct nl_context *nlctx = data;
 	DECLARE_ATTR_TB_INFO(tb);
 	bool silent;
 	int err_ret;
 	int ret;

 	silent = nlctx->is_dump || nlctx->is_monitor;
 	err_ret = silent ? MNL_CB_OK : MNL_CB_ERROR;
 	ret = mnl_attr_parse(nlhdr, GENL_HDRLEN, attr_cb, &tb_info);
 	if (ret < 0)
 		return err_ret;
 	nlctx->devname = get_dev_name(tb[ETHTOOL_A_MODULE_HEADER]);
 	if (!dev_ok(nlctx))
 		return err_ret;

 	if (silent)
 		print_nl();

 	open_json_object(NULL);

 	print_string(PRINT_ANY, "ifname", "Module parameters for %s:\n",
 		     nlctx->devname);

 	if (tb[ETHTOOL_A_MODULE_POWER_MODE_POLICY]) {
 		u8 val;

 		val = mnl_attr_get_u8(tb[ETHTOOL_A_MODULE_POWER_MODE_POLICY]);
 		print_string(PRINT_ANY, "power-mode-policy",
 			     "power-mode-policy: %s\n",
 			     module_power_mode_policy_name(val));
 	}

 	if (tb[ETHTOOL_A_MODULE_POWER_MODE]) {
 		u8 val;

 		val = mnl_attr_get_u8(tb[ETHTOOL_A_MODULE_POWER_MODE]);
 		print_string(PRINT_ANY, "power-mode",
 			     "power-mode: %s\n", module_power_mode_name(val));
 	}

 	close_json_object();

 	return MNL_CB_OK;
 }

 int nl_gmodule(struct cmd_context *ctx)
 {
 	struct nl_context *nlctx = ctx->nlctx;
 	struct nl_socket *nlsk;
 	int ret;

 	if (netlink_cmd_check(ctx, ETHTOOL_MSG_MODULE_GET, true))
 		return -EOPNOTSUPP;
 	if (ctx->argc > 0) {
 		fprintf(stderr, "ethtool: unexpected parameter '%s'\n",
 			*ctx->argp);
 		return 1;
 	}

 	nlsk = nlctx->ethnl_socket;
 	ret = nlsock_prep_get_request(nlsk, ETHTOOL_MSG_MODULE_GET,
 				      ETHTOOL_A_MODULE_HEADER, 0);
 	if (ret < 0)
 		return ret;

 	new_json_obj(ctx->json);
 	ret = nlsock_send_get_request(nlsk, module_reply_cb);
 	delete_json_obj();
 	return ret;
 }

 /* MODULE_SET */

 static const struct lookup_entry_u8 power_mode_policy_values[] = {
 	{ .arg = "high",	.val = ETHTOOL_MODULE_POWER_MODE_POLICY_HIGH },
 	{ .arg = "auto",	.val = ETHTOOL_MODULE_POWER_MODE_POLICY_AUTO },
 	{}
 };

 static const struct param_parser smodule_params[] = {
 	{
 		.arg		= "power-mode-policy",
 		.type		= ETHTOOL_A_MODULE_POWER_MODE_POLICY,
 		.handler	= nl_parse_lookup_u8,
 		.handler_data	= power_mode_policy_values,
 		.min_argc	= 1,
 	},
 	{}
 };

 int nl_smodule(struct cmd_context *ctx)
 {
 	struct nl_context *nlctx = ctx->nlctx;
 	struct nl_msg_buff *msgbuff;
 	struct nl_socket *nlsk;
 	int ret;

 	if (netlink_cmd_check(ctx, ETHTOOL_MSG_MODULE_SET, false))
 		return -EOPNOTSUPP;
 	if (!ctx->argc) {
 		fprintf(stderr, "ethtool (--set-module): parameters missing\n");
 		return 1;
 	}

 	nlctx->cmd = "--set-module";
 	nlctx->argp = ctx->argp;
 	nlctx->argc = ctx->argc;
 	nlctx->devname = ctx->devname;
 	nlsk = nlctx->ethnl_socket;
 	msgbuff = &nlsk->msgbuff;

 	ret = msg_init(nlctx, msgbuff, ETHTOOL_MSG_MODULE_SET,
 		       NLM_F_REQUEST | NLM_F_ACK);
 	if (ret < 0)
 		return 2;
 	if (ethnla_fill_header(msgbuff, ETHTOOL_A_MODULE_HEADER,
 			       ctx->devname, 0))
 		return -EMSGSIZE;

 	ret = nl_parser(nlctx, smodule_params, NULL, PARSER_GROUP_NONE, NULL);
 	if (ret < 0)
 		return 1;

 	ret = nlsock_sendmsg(nlsk, NULL);
 	if (ret < 0)
 		return 83;
 	ret = nlsock_process_reply(nlsk, nomsg_reply_cb, nlctx);
 	if (ret == 0)
 		return 0;
 	else
 		return nlctx->exit_code ?: 83;
 }

 /* MODULE_FW_FLASH_ACT */

 static const struct param_parser flash_module_fw_params[] = {
 	{
 		.arg		= "file",
 		.type		= ETHTOOL_A_MODULE_FW_FLASH_FILE_NAME,
 		.handler	= nl_parse_string,
 		.min_argc	= 1,
 	},
 	{
 		.arg		= "pass",
 		.type		= ETHTOOL_A_MODULE_FW_FLASH_PASSWORD,
 		.handler	= nl_parse_direct_u32,
 		.min_argc	= 1,
 	},
 	{}
 };

 struct module_flash_context {
 	uint8_t breakout:1,
 		first:1;
 };

 static int module_fw_flash_ntf_cb(const struct nlmsghdr *nlhdr, void *data)
 {
 	const struct nlattr *tb[ETHTOOL_A_MODULE_FW_FLASH_MAX + 1] = {};
 	struct module_flash_context *mfctx;
 	struct nl_context *nlctx = data;
 	DECLARE_ATTR_TB_INFO(tb);
 	u8 status = 0;
 	int ret;

 	mfctx = nlctx->cmd_private;

 	ret = mnl_attr_parse(nlhdr, GENL_HDRLEN, attr_cb, &tb_info);
 	if (ret < 0)
 		return MNL_CB_OK;
 	nlctx->devname = get_dev_name(tb[ETHTOOL_A_MODULE_FW_FLASH_HEADER]);
 	if (!dev_ok(nlctx))
 		return MNL_CB_OK;

 	if (tb[ETHTOOL_A_MODULE_FW_FLASH_STATUS])
 		status = mnl_attr_get_u32(tb[ETHTOOL_A_MODULE_FW_FLASH_STATUS]);

 	switch (status) {
 	case ETHTOOL_MODULE_FW_FLASH_STATUS_STARTED:
 		print_string(PRINT_FP, NULL,
 			     "Transceiver module firmware flashing started for device %s\n",
 			     nlctx->devname);
 		break;
 	case ETHTOOL_MODULE_FW_FLASH_STATUS_IN_PROGRESS:
 		if (mfctx->first) {
 			print_string(PRINT_FP, NULL,
 				     "Transceiver module firmware flashing in progress for device %s\n",
 				     nlctx->devname);
 			mfctx->first = 0;
 		}
 		break;
 	case ETHTOOL_MODULE_FW_FLASH_STATUS_COMPLETED:
 		print_nl();
 		print_string(PRINT_FP, NULL,
 			     "Transceiver module firmware flashing completed for device %s\n",
 			     nlctx->devname);
 		mfctx->breakout = 1;
 		break;
 	case ETHTOOL_MODULE_FW_FLASH_STATUS_ERROR:
 		print_nl();
 		print_string(PRINT_FP, NULL,
 			     "Transceiver module firmware flashing encountered an error for device %s\n",
 			     nlctx->devname);
 		mfctx->breakout = 1;
 		break;
 	default:
 		break;
 	}

 	if (tb[ETHTOOL_A_MODULE_FW_FLASH_STATUS_MSG]) {
 		const char *status_msg;

 		status_msg = mnl_attr_get_str(tb[ETHTOOL_A_MODULE_FW_FLASH_STATUS_MSG]);
 		print_string(PRINT_FP, NULL, "Status message: %s\n", status_msg);
 	}

 	if (tb[ETHTOOL_A_MODULE_FW_FLASH_DONE] &&
 	    tb[ETHTOOL_A_MODULE_FW_FLASH_TOTAL]) {
 		uint64_t done, total;

 		done = attr_get_uint(tb[ETHTOOL_A_MODULE_FW_FLASH_DONE]);
 		total = attr_get_uint(tb[ETHTOOL_A_MODULE_FW_FLASH_TOTAL]);

 		if (total)
 			print_u64(PRINT_FP, NULL, "Progress: %"PRIu64"%\r",
 				  done * 100 / total);
 	}

 	return MNL_CB_OK;
 }

 static int nl_flash_module_fw_cb(const struct nlmsghdr *nlhdr, void *data)
 {
 	const struct genlmsghdr *ghdr = (const struct genlmsghdr *)(nlhdr + 1);

 	if (ghdr->cmd != ETHTOOL_MSG_MODULE_FW_FLASH_NTF)
 		return MNL_CB_OK;

 	module_fw_flash_ntf_cb(nlhdr, data);

 	return MNL_CB_STOP;
 }

 static int nl_flash_module_fw_process_ntf(struct cmd_context *ctx)
 {
 	struct nl_context *nlctx = ctx->nlctx;
 	struct module_flash_context *mfctx;
 	struct nl_socket *nlsk;
 	int ret;

 	nlsk = nlctx->ethnl_socket;

 	mfctx = malloc(sizeof(struct module_flash_context));
 	if (!mfctx)
 		return -ENOMEM;

 	mfctx->breakout = 0;
 	mfctx->first = 1;
 	nlctx->cmd_private = mfctx;

 	while (!mfctx->breakout) {
 		ret = nlsock_process_reply(nlsk, nl_flash_module_fw_cb, nlctx);
 		if (ret)
 			goto out;
 		nlsk->seq++;
 	}

 out:
 	free(mfctx);
 	return ret;
 }

 int nl_flash_module_fw(struct cmd_context *ctx)
 {
 	struct nl_context *nlctx = ctx->nlctx;
 	struct nl_msg_buff *msgbuff;
 	struct nl_socket *nlsk;
 	int ret;

 	if (netlink_cmd_check(ctx, ETHTOOL_MSG_MODULE_FW_FLASH_ACT, false))
 		return -EOPNOTSUPP;
 	if (!ctx->argc) {
 		fprintf(stderr, "ethtool (--flash-module-firmware): parameters missing\n");
 		return 1;
 	}

 	nlctx->cmd = "--flash-module-firmware";
 	nlctx->argp = ctx->argp;
 	nlctx->argc = ctx->argc;
 	nlctx->devname = ctx->devname;
 	nlsk = nlctx->ethnl_socket;
 	msgbuff = &nlsk->msgbuff;

 	ret = msg_init(nlctx, msgbuff, ETHTOOL_MSG_MODULE_FW_FLASH_ACT,
 		       NLM_F_REQUEST | NLM_F_ACK);
 	if (ret < 0)
 		return 2;
 	if (ethnla_fill_header(msgbuff, ETHTOOL_A_MODULE_FW_FLASH_HEADER,
 			       ctx->devname, 0))
 		return -EMSGSIZE;

 	ret = nl_parser(nlctx, flash_module_fw_params, NULL, PARSER_GROUP_NONE,
 			NULL);
 	if (ret < 0)
 		return 1;

 	ret = nlsock_sendmsg(nlsk, NULL);
 	if (ret < 0)
 		fprintf(stderr, "Cannot flash transceiver module firmware\n");
 	else
 		ret = nl_flash_module_fw_process_ntf(ctx);

 	return ret;
 }
	/*
	* module.c - netlink implementation of module commands
	*
	* Implementation of "ethtool --show-module <dev>" and
	* "ethtool --set-module <dev> ..."
	*/

	#include <errno.h>
	#include <ctype.h>
	#include <inttypes.h>
	#include <string.h>
	#include <stdio.h>
	#include <stdarg.h>

	#include "../internal.h"
	#include "../common.h"
	#include "netlink.h"
	#include "parser.h"

	/* MODULE_GET */

	static const char *module_power_mode_policy_name(u8 val)
	{
	switch (val) {
	case ETHTOOL_MODULE_POWER_MODE_POLICY_HIGH:
	return "high";
	case ETHTOOL_MODULE_POWER_MODE_POLICY_AUTO:
	return "auto";
	default:
	return "unknown";
	}
	}

	static const char *module_power_mode_name(u8 val)
	{
	switch (val) {
	case ETHTOOL_MODULE_POWER_MODE_LOW:
	return "low";
	case ETHTOOL_MODULE_POWER_MODE_HIGH:
	return "high";
	default:
	return "unknown";
	}
	}

	int module_reply_cb(const struct nlmsghdr nlhdr, void data)
	{
	const struct nlattr *tb[ETHTOOL_A_MODULE_MAX + 1] = {};
	struct nl_context *nlctx = data;
	DECLARE_ATTR_TB_INFO(tb);
	bool silent;
	int err_ret;
	int ret;

	silent = nlctx->is_dump \|\| nlctx->is_monitor;
	err_ret = silent ? MNL_CB_OK : MNL_CB_ERROR;
	ret = mnl_attr_parse(nlhdr, GENL_HDRLEN, attr_cb, &tb_info);
	if (ret < 0)
	return err_ret;
	nlctx->devname = get_dev_name(tb[ETHTOOL_A_MODULE_HEADER]);
	if (!dev_ok(nlctx))
	return err_ret;

	if (silent)
	print_nl();

	open_json_object(NULL);

	print_string(PRINT_ANY, "ifname", "Module parameters for %s:\n",
	nlctx->devname);

	if (tb[ETHTOOL_A_MODULE_POWER_MODE_POLICY]) {
	u8 val;

	val = mnl_attr_get_u8(tb[ETHTOOL_A_MODULE_POWER_MODE_POLICY]);
	print_string(PRINT_ANY, "power-mode-policy",
	"power-mode-policy: %s\n",
	module_power_mode_policy_name(val));
	}

	if (tb[ETHTOOL_A_MODULE_POWER_MODE]) {
	u8 val;

	val = mnl_attr_get_u8(tb[ETHTOOL_A_MODULE_POWER_MODE]);
	print_string(PRINT_ANY, "power-mode",
	"power-mode: %s\n", module_power_mode_name(val));
	}

	close_json_object();

	return MNL_CB_OK;
	}

	int nl_gmodule(struct cmd_context *ctx)
	{
	struct nl_context *nlctx = ctx->nlctx;
	struct nl_socket *nlsk;
	int ret;

	if (netlink_cmd_check(ctx, ETHTOOL_MSG_MODULE_GET, true))
	return -EOPNOTSUPP;
	if (ctx->argc > 0) {
	fprintf(stderr, "ethtool: unexpected parameter '%s'\n",
	*ctx->argp);
	return 1;
	}

	nlsk = nlctx->ethnl_socket;
	ret = nlsock_prep_get_request(nlsk, ETHTOOL_MSG_MODULE_GET,
	ETHTOOL_A_MODULE_HEADER, 0);
	if (ret < 0)
	return ret;

	new_json_obj(ctx->json);
	ret = nlsock_send_get_request(nlsk, module_reply_cb);
	delete_json_obj();
	return ret;
	}

	/* MODULE_SET */

	static const struct lookup_entry_u8 power_mode_policy_values[] = {
	{ .arg = "high", .val = ETHTOOL_MODULE_POWER_MODE_POLICY_HIGH },
	{ .arg = "auto", .val = ETHTOOL_MODULE_POWER_MODE_POLICY_AUTO },
	{}
	};

	static const struct param_parser smodule_params[] = {
	{
	.arg = "power-mode-policy",
	.type = ETHTOOL_A_MODULE_POWER_MODE_POLICY,
	.handler = nl_parse_lookup_u8,
	.handler_data = power_mode_policy_values,
	.min_argc = 1,
	},
	{}
	};

	int nl_smodule(struct cmd_context *ctx)
	{
	struct nl_context *nlctx = ctx->nlctx;
	struct nl_msg_buff *msgbuff;
	struct nl_socket *nlsk;
	int ret;

	if (netlink_cmd_check(ctx, ETHTOOL_MSG_MODULE_SET, false))
	return -EOPNOTSUPP;
	if (!ctx->argc) {
	fprintf(stderr, "ethtool (--set-module): parameters missing\n");
	return 1;
	}

	nlctx->cmd = "--set-module";
	nlctx->argp = ctx->argp;
	nlctx->argc = ctx->argc;
	nlctx->devname = ctx->devname;
	nlsk = nlctx->ethnl_socket;
	msgbuff = &nlsk->msgbuff;

	ret = msg_init(nlctx, msgbuff, ETHTOOL_MSG_MODULE_SET,
	NLM_F_REQUEST \| NLM_F_ACK);
	if (ret < 0)
	return 2;
	if (ethnla_fill_header(msgbuff, ETHTOOL_A_MODULE_HEADER,
	ctx->devname, 0))
	return -EMSGSIZE;

	ret = nl_parser(nlctx, smodule_params, NULL, PARSER_GROUP_NONE, NULL);
	if (ret < 0)
	return 1;

	ret = nlsock_sendmsg(nlsk, NULL);
	if (ret < 0)
	return 83;
	ret = nlsock_process_reply(nlsk, nomsg_reply_cb, nlctx);
	if (ret == 0)
	return 0;
	else
	return nlctx->exit_code ?: 83;
	}

	/* MODULE_FW_FLASH_ACT */

	static const struct param_parser flash_module_fw_params[] = {
	{
	.arg = "file",
	.type = ETHTOOL_A_MODULE_FW_FLASH_FILE_NAME,
	.handler = nl_parse_string,
	.min_argc = 1,
	},
	{
	.arg = "pass",
	.type = ETHTOOL_A_MODULE_FW_FLASH_PASSWORD,
	.handler = nl_parse_direct_u32,
	.min_argc = 1,
	},
	{}
	};

	struct module_flash_context {
	uint8_t breakout:1,
	first:1;
	};

	static int module_fw_flash_ntf_cb(const struct nlmsghdr nlhdr, void data)
	{
	const struct nlattr *tb[ETHTOOL_A_MODULE_FW_FLASH_MAX + 1] = {};
	struct module_flash_context *mfctx;
	struct nl_context *nlctx = data;
	DECLARE_ATTR_TB_INFO(tb);
	u8 status = 0;
	int ret;

	mfctx = nlctx->cmd_private;

	ret = mnl_attr_parse(nlhdr, GENL_HDRLEN, attr_cb, &tb_info);
	if (ret < 0)
	return MNL_CB_OK;
	nlctx->devname = get_dev_name(tb[ETHTOOL_A_MODULE_FW_FLASH_HEADER]);
	if (!dev_ok(nlctx))
	return MNL_CB_OK;

	if (tb[ETHTOOL_A_MODULE_FW_FLASH_STATUS])
	status = mnl_attr_get_u32(tb[ETHTOOL_A_MODULE_FW_FLASH_STATUS]);

	switch (status) {
	case ETHTOOL_MODULE_FW_FLASH_STATUS_STARTED:
	print_string(PRINT_FP, NULL,
	"Transceiver module firmware flashing started for device %s\n",
	nlctx->devname);
	break;
	case ETHTOOL_MODULE_FW_FLASH_STATUS_IN_PROGRESS:
	if (mfctx->first) {
	print_string(PRINT_FP, NULL,
	"Transceiver module firmware flashing in progress for device %s\n",
	nlctx->devname);
	mfctx->first = 0;
	}
	break;
	case ETHTOOL_MODULE_FW_FLASH_STATUS_COMPLETED:
	print_nl();
	print_string(PRINT_FP, NULL,
	"Transceiver module firmware flashing completed for device %s\n",
	nlctx->devname);
	mfctx->breakout = 1;
	break;
	case ETHTOOL_MODULE_FW_FLASH_STATUS_ERROR:
	print_nl();
	print_string(PRINT_FP, NULL,
	"Transceiver module firmware flashing encountered an error for device %s\n",
	nlctx->devname);
	mfctx->breakout = 1;
	break;
	default:
	break;
	}

	if (tb[ETHTOOL_A_MODULE_FW_FLASH_STATUS_MSG]) {
	const char *status_msg;

	status_msg = mnl_attr_get_str(tb[ETHTOOL_A_MODULE_FW_FLASH_STATUS_MSG]);
	print_string(PRINT_FP, NULL, "Status message: %s\n", status_msg);
	}

	if (tb[ETHTOOL_A_MODULE_FW_FLASH_DONE] &&
	tb[ETHTOOL_A_MODULE_FW_FLASH_TOTAL]) {
	uint64_t done, total;

	done = attr_get_uint(tb[ETHTOOL_A_MODULE_FW_FLASH_DONE]);
	total = attr_get_uint(tb[ETHTOOL_A_MODULE_FW_FLASH_TOTAL]);

	if (total)
	print_u64(PRINT_FP, NULL, "Progress: %"PRIu64"%\r",
	done * 100 / total);
	}

	return MNL_CB_OK;
	}

	static int nl_flash_module_fw_cb(const struct nlmsghdr nlhdr, void data)
	{
	const struct genlmsghdr ghdr = (const struct genlmsghdr )(nlhdr + 1);

	if (ghdr->cmd != ETHTOOL_MSG_MODULE_FW_FLASH_NTF)
	return MNL_CB_OK;

	module_fw_flash_ntf_cb(nlhdr, data);

	return MNL_CB_STOP;
	}

	static int nl_flash_module_fw_process_ntf(struct cmd_context *ctx)
	{
	struct nl_context *nlctx = ctx->nlctx;
	struct module_flash_context *mfctx;
	struct nl_socket *nlsk;
	int ret;

	nlsk = nlctx->ethnl_socket;

	mfctx = malloc(sizeof(struct module_flash_context));
	if (!mfctx)
	return -ENOMEM;

	mfctx->breakout = 0;
	mfctx->first = 1;
	nlctx->cmd_private = mfctx;

	while (!mfctx->breakout) {
	ret = nlsock_process_reply(nlsk, nl_flash_module_fw_cb, nlctx);
	if (ret)
	goto out;
	nlsk->seq++;
	}

	out:
	free(mfctx);
	return ret;
	}

	int nl_flash_module_fw(struct cmd_context *ctx)
	{
	struct nl_context *nlctx = ctx->nlctx;
	struct nl_msg_buff *msgbuff;
	struct nl_socket *nlsk;
	int ret;

	if (netlink_cmd_check(ctx, ETHTOOL_MSG_MODULE_FW_FLASH_ACT, false))
	return -EOPNOTSUPP;
	if (!ctx->argc) {
	fprintf(stderr, "ethtool (--flash-module-firmware): parameters missing\n");
	return 1;
	}

	nlctx->cmd = "--flash-module-firmware";
	nlctx->argp = ctx->argp;
	nlctx->argc = ctx->argc;
	nlctx->devname = ctx->devname;
	nlsk = nlctx->ethnl_socket;
	msgbuff = &nlsk->msgbuff;

	ret = msg_init(nlctx, msgbuff, ETHTOOL_MSG_MODULE_FW_FLASH_ACT,
	NLM_F_REQUEST \| NLM_F_ACK);
	if (ret < 0)
	return 2;
	if (ethnla_fill_header(msgbuff, ETHTOOL_A_MODULE_FW_FLASH_HEADER,
	ctx->devname, 0))
	return -EMSGSIZE;

	ret = nl_parser(nlctx, flash_module_fw_params, NULL, PARSER_GROUP_NONE,
	NULL);
	if (ret < 0)
	return 1;

	ret = nlsock_sendmsg(nlsk, NULL);
	if (ret < 0)
	fprintf(stderr, "Cannot flash transceiver module firmware\n");
	else
	ret = nl_flash_module_fw_process_ntf(ctx);

	return ret;
	}