add driver 5G

hc

2024-01-31 f9004dbfff8a3fbbd7e2a88c8a4327c7f2f8e5b2

 kernel/include/rdma/rdma_netlink.h
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@@ -1,10 +1,16 @@
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 /* SPDX-License-Identifier: GPL-2.0 */
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+
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 #ifndef _RDMA_NETLINK_H
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 #define _RDMA_NETLINK_H
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-
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 #include <linux/netlink.h>
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 #include <uapi/rdma/rdma_netlink.h>
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+
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+enum {
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+	RDMA_NLDEV_ATTR_EMPTY_STRING = 1,
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+	RDMA_NLDEV_ATTR_ENTRY_STRLEN = 16,
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+	RDMA_NLDEV_ATTR_CHARDEV_TYPE_SIZE = 32,
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+};
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 struct rdma_nl_cbs {
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 	int (*doit)(struct sk_buff *skb, struct nlmsghdr *nlh,
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@@ -70,33 +76,50 @@
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 /**
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  * Send the supplied skb to a specific userspace PID.
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+ * @net: Net namespace in which to send the skb
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  * @skb: The netlink skb
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  * @pid: Userspace netlink process ID
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  * Returns 0 on success or a negative error code.
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  */
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-int rdma_nl_unicast(struct sk_buff *skb, u32 pid);
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+int rdma_nl_unicast(struct net *net, struct sk_buff *skb, u32 pid);
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 /**
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  * Send, with wait/1 retry, the supplied skb to a specific userspace PID.
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+ * @net: Net namespace in which to send the skb
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  * @skb: The netlink skb
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  * @pid: Userspace netlink process ID
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  * Returns 0 on success or a negative error code.
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  */
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-int rdma_nl_unicast_wait(struct sk_buff *skb, __u32 pid);
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+int rdma_nl_unicast_wait(struct net *net, struct sk_buff *skb, __u32 pid);
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 /**
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  * Send the supplied skb to a netlink group.
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+ * @net: Net namespace in which to send the skb
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  * @skb: The netlink skb
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  * @group: Netlink group ID
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  * @flags: allocation flags
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  * Returns 0 on success or a negative error code.
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  */
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-int rdma_nl_multicast(struct sk_buff *skb, unsigned int group, gfp_t flags);
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+int rdma_nl_multicast(struct net *net, struct sk_buff *skb,
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+		      unsigned int group, gfp_t flags);
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 /**
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  * Check if there are any listeners to the netlink group
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  * @group: the netlink group ID
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- * Returns 0 on success or a negative for no listeners.
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+ * Returns true on success or false if no listeners.
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  */
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-int rdma_nl_chk_listeners(unsigned int group);
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+bool rdma_nl_chk_listeners(unsigned int group);
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+
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+struct rdma_link_ops {
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+	struct list_head list;
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+	const char *type;
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+	int (*newlink)(const char *ibdev_name, struct net_device *ndev);
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+};
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+
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+void rdma_link_register(struct rdma_link_ops *ops);
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+void rdma_link_unregister(struct rdma_link_ops *ops);
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+
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+#define MODULE_ALIAS_RDMA_LINK(type) MODULE_ALIAS("rdma-link-" type)
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+#define MODULE_ALIAS_RDMA_CLIENT(type) MODULE_ALIAS("rdma-client-" type)
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+
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 #endif /* _RDMA_NETLINK_H */