add xenomai

hc

2024-11-01 2f529f9b558ca1c1bd74be7437a84e4711743404

 kernel/net/core/net-sysfs.c
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@@ -386,6 +386,54 @@
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 }
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 NETDEVICE_SHOW_RW(tx_queue_len, fmt_dec);
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+#ifdef CONFIG_NET_OOB
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+
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+__weak int netif_oob_switch_port(struct net_device *dev, bool enabled)
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+{
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+	return 0;
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+}
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+
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+__weak bool netif_oob_get_port(struct net_device *dev)
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+{
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+	return false;
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+}
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+
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+__weak ssize_t netif_oob_query_pool(struct net_device *dev, char *buf)
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+{
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+	return -EIO;
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+}
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+
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+static int switch_oob_port(struct net_device *dev, unsigned long enable)
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+{
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+	return netif_oob_switch_port(dev, (bool)enable);
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+}
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+
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+static ssize_t oob_port_store(struct device *dev, struct device_attribute *attr,
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+			const char *buf, size_t len)
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+{
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+	return netdev_store(dev, attr, buf, len, switch_oob_port);
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+}
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+
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+static ssize_t oob_port_show(struct device *dev,
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+			struct device_attribute *attr, char *buf)
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+{
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+	struct net_device *netdev = to_net_dev(dev);
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+
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+	return sprintf(buf, fmt_dec, netif_oob_get_port(netdev));
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+}
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+static DEVICE_ATTR_RW(oob_port);
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+
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+static ssize_t oob_pool_show(struct device *dev,
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+			struct device_attribute *attr, char *buf)
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+{
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+	struct net_device *netdev = to_net_dev(dev);
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+
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+	return netif_oob_query_pool(netdev, buf);
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+}
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+static DEVICE_ATTR_RO(oob_pool);
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+
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+#endif
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+
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 static int change_gro_flush_timeout(struct net_device *dev, unsigned long val)
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 {
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 	WRITE_ONCE(dev->gro_flush_timeout, val);
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@@ -619,6 +667,10 @@
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 	&dev_attr_proto_down.attr,
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 	&dev_attr_carrier_up_count.attr,
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 	&dev_attr_carrier_down_count.attr,
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+#ifdef CONFIG_NET_OOB
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+	&dev_attr_oob_port.attr,
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+	&dev_attr_oob_pool.attr,
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+#endif
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 	NULL,
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 };
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 ATTRIBUTE_GROUPS(net_class);