From f9004dbfff8a3fbbd7e2a88c8a4327c7f2f8e5b2 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 31 Jan 2024 01:04:47 +0000
Subject: [PATCH] add driver 5G
---
kernel/include/rdma/rdma_netlink.h | 35 +++++++++++++++++++++++++++++------
1 files changed, 29 insertions(+), 6 deletions(-)
diff --git a/kernel/include/rdma/rdma_netlink.h b/kernel/include/rdma/rdma_netlink.h
index 36cdc17..c2a79ae 100644
--- a/kernel/include/rdma/rdma_netlink.h
+++ b/kernel/include/rdma/rdma_netlink.h
@@ -1,10 +1,16 @@
/* SPDX-License-Identifier: GPL-2.0 */
+
#ifndef _RDMA_NETLINK_H
#define _RDMA_NETLINK_H
-
#include <linux/netlink.h>
#include <uapi/rdma/rdma_netlink.h>
+
+enum {
+ RDMA_NLDEV_ATTR_EMPTY_STRING = 1,
+ RDMA_NLDEV_ATTR_ENTRY_STRLEN = 16,
+ RDMA_NLDEV_ATTR_CHARDEV_TYPE_SIZE = 32,
+};
struct rdma_nl_cbs {
int (*doit)(struct sk_buff *skb, struct nlmsghdr *nlh,
@@ -70,33 +76,50 @@
/**
* Send the supplied skb to a specific userspace PID.
+ * @net: Net namespace in which to send the skb
* @skb: The netlink skb
* @pid: Userspace netlink process ID
* Returns 0 on success or a negative error code.
*/
-int rdma_nl_unicast(struct sk_buff *skb, u32 pid);
+int rdma_nl_unicast(struct net *net, struct sk_buff *skb, u32 pid);
/**
* Send, with wait/1 retry, the supplied skb to a specific userspace PID.
+ * @net: Net namespace in which to send the skb
* @skb: The netlink skb
* @pid: Userspace netlink process ID
* Returns 0 on success or a negative error code.
*/
-int rdma_nl_unicast_wait(struct sk_buff *skb, __u32 pid);
+int rdma_nl_unicast_wait(struct net *net, struct sk_buff *skb, __u32 pid);
/**
* Send the supplied skb to a netlink group.
+ * @net: Net namespace in which to send the skb
* @skb: The netlink skb
* @group: Netlink group ID
* @flags: allocation flags
* Returns 0 on success or a negative error code.
*/
-int rdma_nl_multicast(struct sk_buff *skb, unsigned int group, gfp_t flags);
+int rdma_nl_multicast(struct net *net, struct sk_buff *skb,
+ unsigned int group, gfp_t flags);
/**
* Check if there are any listeners to the netlink group
* @group: the netlink group ID
- * Returns 0 on success or a negative for no listeners.
+ * Returns true on success or false if no listeners.
*/
-int rdma_nl_chk_listeners(unsigned int group);
+bool rdma_nl_chk_listeners(unsigned int group);
+
+struct rdma_link_ops {
+ struct list_head list;
+ const char *type;
+ int (*newlink)(const char *ibdev_name, struct net_device *ndev);
+};
+
+void rdma_link_register(struct rdma_link_ops *ops);
+void rdma_link_unregister(struct rdma_link_ops *ops);
+
+#define MODULE_ALIAS_RDMA_LINK(type) MODULE_ALIAS("rdma-link-" type)
+#define MODULE_ALIAS_RDMA_CLIENT(type) MODULE_ALIAS("rdma-client-" type)
+
#endif /* _RDMA_NETLINK_H */
--
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