qeth_sys.c

来自「linux 内核源代码」· C语言 代码 · 共 1,859 行 · 第 1/4 页

	return sprintf(buf, "%i\n", card->options.add_hhlen);
}

static ssize_t
qeth_dev_add_hhlen_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
	struct qeth_card *card = dev->driver_data;
	char *tmp;
	int i;

	if (!card)
		return -EINVAL;

	if ((card->state != CARD_STATE_DOWN) &&
	    (card->state != CARD_STATE_RECOVER))
		return -EPERM;

	i = simple_strtoul(buf, &tmp, 10);
	if ((i < 0) || (i > MAX_ADD_HHLEN)) {
		PRINT_WARN("add_hhlen out of range\n");
		return -EINVAL;
	}
	card->options.add_hhlen = i;

	return count;
}

static DEVICE_ATTR(add_hhlen, 0644, qeth_dev_add_hhlen_show,
		   qeth_dev_add_hhlen_store);

static ssize_t
qeth_dev_fake_ll_show(struct device *dev, struct device_attribute *attr, char *buf)
{
	struct qeth_card *card = dev->driver_data;

	if (!card)
		return -EINVAL;

	return sprintf(buf, "%i\n", card->options.fake_ll? 1:0);
}

static ssize_t
qeth_dev_fake_ll_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
	struct qeth_card *card = dev->driver_data;
	char *tmp;
	int i;

	if (!card)
		return -EINVAL;

	if ((card->state != CARD_STATE_DOWN) &&
	    (card->state != CARD_STATE_RECOVER))
		return -EPERM;

	i = simple_strtoul(buf, &tmp, 16);
	if ((i != 0) && (i != 1)) {
		PRINT_WARN("fake_ll: write 0 or 1 to this file!\n");
		return -EINVAL;
	}
	card->options.fake_ll = i;
	return count;
}

static DEVICE_ATTR(fake_ll, 0644, qeth_dev_fake_ll_show,
		   qeth_dev_fake_ll_store);

static ssize_t
qeth_dev_fake_broadcast_show(struct device *dev, struct device_attribute *attr, char *buf)
{
	struct qeth_card *card = dev->driver_data;

	if (!card)
		return -EINVAL;

	return sprintf(buf, "%i\n", card->options.fake_broadcast? 1:0);
}

static ssize_t
qeth_dev_fake_broadcast_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
	struct qeth_card *card = dev->driver_data;
	char *tmp;
	int i;

	if (!card)
		return -EINVAL;

	if ((card->state != CARD_STATE_DOWN) &&
	    (card->state != CARD_STATE_RECOVER))
		return -EPERM;

	i = simple_strtoul(buf, &tmp, 16);
	if ((i == 0) || (i == 1))
		card->options.fake_broadcast = i;
	else {
		PRINT_WARN("fake_broadcast: write 0 or 1 to this file!\n");
		return -EINVAL;
	}
	return count;
}

static DEVICE_ATTR(fake_broadcast, 0644, qeth_dev_fake_broadcast_show,
		   qeth_dev_fake_broadcast_store);

static ssize_t
qeth_dev_recover_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
	struct qeth_card *card = dev->driver_data;
	char *tmp;
	int i;

	if (!card)
		return -EINVAL;

	if (card->state != CARD_STATE_UP)
		return -EPERM;

	i = simple_strtoul(buf, &tmp, 16);
	if (i == 1)
		qeth_schedule_recovery(card);

	return count;
}

static DEVICE_ATTR(recover, 0200, NULL, qeth_dev_recover_store);

static ssize_t
qeth_dev_broadcast_mode_show(struct device *dev, struct device_attribute *attr, char *buf)
{
	struct qeth_card *card = dev->driver_data;

	if (!card)
		return -EINVAL;

	if (!((card->info.link_type == QETH_LINK_TYPE_HSTR) ||
	      (card->info.link_type == QETH_LINK_TYPE_LANE_TR)))
		return sprintf(buf, "n/a\n");

	return sprintf(buf, "%s\n", (card->options.broadcast_mode ==
				     QETH_TR_BROADCAST_ALLRINGS)?
		       "all rings":"local");
}

static ssize_t
qeth_dev_broadcast_mode_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
	struct qeth_card *card = dev->driver_data;
	char *tmp;

	if (!card)
		return -EINVAL;

	if ((card->state != CARD_STATE_DOWN) &&
	    (card->state != CARD_STATE_RECOVER))
		return -EPERM;

	if (!((card->info.link_type == QETH_LINK_TYPE_HSTR) ||
	      (card->info.link_type == QETH_LINK_TYPE_LANE_TR))){
		PRINT_WARN("Device is not a tokenring device!\n");
		return -EINVAL;
	}

	tmp = strsep((char **) &buf, "\n");

	if (!strcmp(tmp, "local")){
		card->options.broadcast_mode = QETH_TR_BROADCAST_LOCAL;
		return count;
	} else if (!strcmp(tmp, "all_rings")) {
		card->options.broadcast_mode = QETH_TR_BROADCAST_ALLRINGS;
		return count;
	} else {
		PRINT_WARN("broadcast_mode: invalid mode %s!\n",
			   tmp);
		return -EINVAL;
	}
	return count;
}

static DEVICE_ATTR(broadcast_mode, 0644, qeth_dev_broadcast_mode_show,
		   qeth_dev_broadcast_mode_store);

static ssize_t
qeth_dev_canonical_macaddr_show(struct device *dev, struct device_attribute *attr, char *buf)
{
	struct qeth_card *card = dev->driver_data;

	if (!card)
		return -EINVAL;

	if (!((card->info.link_type == QETH_LINK_TYPE_HSTR) ||
	      (card->info.link_type == QETH_LINK_TYPE_LANE_TR)))
		return sprintf(buf, "n/a\n");

	return sprintf(buf, "%i\n", (card->options.macaddr_mode ==
				     QETH_TR_MACADDR_CANONICAL)? 1:0);
}

static ssize_t
qeth_dev_canonical_macaddr_store(struct device *dev, struct device_attribute *attr, const char *buf,
				  size_t count)
{
	struct qeth_card *card = dev->driver_data;
	char *tmp;
	int i;

	if (!card)
		return -EINVAL;

	if ((card->state != CARD_STATE_DOWN) &&
	    (card->state != CARD_STATE_RECOVER))
		return -EPERM;

	if (!((card->info.link_type == QETH_LINK_TYPE_HSTR) ||
	      (card->info.link_type == QETH_LINK_TYPE_LANE_TR))){
		PRINT_WARN("Device is not a tokenring device!\n");
		return -EINVAL;
	}

	i = simple_strtoul(buf, &tmp, 16);
	if ((i == 0) || (i == 1))
		card->options.macaddr_mode = i?
			QETH_TR_MACADDR_CANONICAL :
			QETH_TR_MACADDR_NONCANONICAL;
	else {
		PRINT_WARN("canonical_macaddr: write 0 or 1 to this file!\n");
		return -EINVAL;
	}
	return count;
}

static DEVICE_ATTR(canonical_macaddr, 0644, qeth_dev_canonical_macaddr_show,
		   qeth_dev_canonical_macaddr_store);

static ssize_t
qeth_dev_layer2_show(struct device *dev, struct device_attribute *attr, char *buf)
{
	struct qeth_card *card = dev->driver_data;

	if (!card)
		return -EINVAL;

	return sprintf(buf, "%i\n", card->options.layer2 ? 1:0);
}

static ssize_t
qeth_dev_layer2_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
	struct qeth_card *card = dev->driver_data;
	char *tmp;
	int i;

	if (!card)
		return -EINVAL;
	if (card->info.type == QETH_CARD_TYPE_IQD) {
                PRINT_WARN("Layer2 on Hipersockets is not supported! \n");
                return -EPERM;
        }

	if (((card->state != CARD_STATE_DOWN) &&
	     (card->state != CARD_STATE_RECOVER)))
		return -EPERM;

	i = simple_strtoul(buf, &tmp, 16);
	if ((i == 0) || (i == 1))
		card->options.layer2 = i;
	else {
		PRINT_WARN("layer2: write 0 or 1 to this file!\n");
		return -EINVAL;
	}
	return count;
}

static DEVICE_ATTR(layer2, 0644, qeth_dev_layer2_show,
		   qeth_dev_layer2_store);

static ssize_t
qeth_dev_performance_stats_show(struct device *dev, struct device_attribute *attr, char *buf)
{
	struct qeth_card *card = dev->driver_data;

	if (!card)
		return -EINVAL;

	return sprintf(buf, "%i\n", card->options.performance_stats ? 1:0);
}

static ssize_t
qeth_dev_performance_stats_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
	struct qeth_card *card = dev->driver_data;
	char *tmp;
	int i;

	if (!card)
		return -EINVAL;

	i = simple_strtoul(buf, &tmp, 16);
	if ((i == 0) || (i == 1)) {
		if (i == card->options.performance_stats)
			return count;
		card->options.performance_stats = i;
		if (i == 0)
			memset(&card->perf_stats, 0,
				sizeof(struct qeth_perf_stats));
		card->perf_stats.initial_rx_packets = card->stats.rx_packets;
		card->perf_stats.initial_tx_packets = card->stats.tx_packets;
	} else {
		PRINT_WARN("performance_stats: write 0 or 1 to this file!\n");
		return -EINVAL;
	}
	return count;
}

static DEVICE_ATTR(performance_stats, 0644, qeth_dev_performance_stats_show,
		   qeth_dev_performance_stats_store);

static ssize_t
qeth_dev_large_send_show(struct device *dev, struct device_attribute *attr, char *buf)
{
	struct qeth_card *card = dev->driver_data;

	if (!card)
		return -EINVAL;

	switch (card->options.large_send) {
	case QETH_LARGE_SEND_NO:
		return sprintf(buf, "%s\n", "no");
	case QETH_LARGE_SEND_EDDP:
		return sprintf(buf, "%s\n", "EDDP");
	case QETH_LARGE_SEND_TSO:
		return sprintf(buf, "%s\n", "TSO");
	default:
		return sprintf(buf, "%s\n", "N/A");
	}
}

static ssize_t
qeth_dev_large_send_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
	struct qeth_card *card = dev->driver_data;
	enum qeth_large_send_types type;
	int rc = 0;
	char *tmp;

	if (!card)
		return -EINVAL;
	tmp = strsep((char **) &buf, "\n");
	if (!strcmp(tmp, "no")){
		type = QETH_LARGE_SEND_NO;
	} else if (!strcmp(tmp, "EDDP")) {
		type = QETH_LARGE_SEND_EDDP;
	} else if (!strcmp(tmp, "TSO")) {
		type = QETH_LARGE_SEND_TSO;
	} else {
		PRINT_WARN("large_send: invalid mode %s!\n", tmp);
		return -EINVAL;
	}
	if (card->options.large_send == type)
		return count;
	if ((rc = qeth_set_large_send(card, type)))
		return rc;
	return count;
}

static DEVICE_ATTR(large_send, 0644, qeth_dev_large_send_show,
		   qeth_dev_large_send_store);

static ssize_t
qeth_dev_blkt_show(char *buf, struct qeth_card *card, int value )
{

	if (!card)
		return -EINVAL;

	return sprintf(buf, "%i\n", value);
}

static ssize_t
qeth_dev_blkt_store(struct qeth_card *card, const char *buf, size_t count,
			  int *value, int max_value)
{
	char *tmp;
	int i;

	if (!card)
		return -EINVAL;

	if ((card->state != CARD_STATE_DOWN) &&
	    (card->state != CARD_STATE_RECOVER))
		return -EPERM;

	i = simple_strtoul(buf, &tmp, 10);
	if (i <= max_value) {
		*value = i;
	} else {
		PRINT_WARN("blkt total time: write values between"
			   " 0 and %d to this file!\n", max_value);
		return -EINVAL;
	}
	return count;
}

static ssize_t
qeth_dev_blkt_total_show(struct device *dev, struct device_attribute *attr, char *buf)
{
	struct qeth_card *card = dev->driver_data;

	return qeth_dev_blkt_show(buf, card, card->info.blkt.time_total);
}


static ssize_t
qeth_dev_blkt_total_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
	struct qeth_card *card = dev->driver_data;

	return qeth_dev_blkt_store(card, buf, count,
				   &card->info.blkt.time_total,1000);
}



static DEVICE_ATTR(total, 0644, qeth_dev_blkt_total_show,
		   qeth_dev_blkt_total_store);

static ssize_t
qeth_dev_blkt_inter_show(struct device *dev, struct device_attribute *attr, char *buf)
{
	struct qeth_card *card = dev->driver_data;

	return qeth_dev_blkt_show(buf, card, card->info.blkt.inter_packet);
}


static ssize_t
qeth_dev_blkt_inter_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
	struct qeth_card *card = dev->driver_data;

	return qeth_dev_blkt_store(card, buf, count,
				   &card->info.blkt.inter_packet,100);
}

static DEVICE_ATTR(inter, 0644, qeth_dev_blkt_inter_show,
		   qeth_dev_blkt_inter_store);

static ssize_t
qeth_dev_blkt_inter_jumbo_show(struct device *dev, struct device_attribute *attr, char *buf)
{
	struct qeth_card *card = dev->driver_data;

	return qeth_dev_blkt_show(buf, card,
				  card->info.blkt.inter_packet_jumbo);
}


static ssize_t
qeth_dev_blkt_inter_jumbo_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
	struct qeth_card *card = dev->driver_data;

	return qeth_dev_blkt_store(card, buf, count,
				   &card->info.blkt.inter_packet_jumbo,100);