tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1#ifndef _RDMA_NETLINK_H
2#define _RDMA_NETLINK_H
3
4#include <linux/types.h>
5
6enum {
7 RDMA_NL_RDMA_CM = 1
8};
9
10#define RDMA_NL_GET_CLIENT(type) ((type & (((1 << 6) - 1) << 10)) >> 10)
11#define RDMA_NL_GET_OP(type) (type & ((1 << 10) - 1))
12#define RDMA_NL_GET_TYPE(client, op) ((client << 10) + op)
13
14enum {
15 RDMA_NL_RDMA_CM_ID_STATS = 0,
16 RDMA_NL_RDMA_CM_NUM_OPS
17};
18
19enum {
20 RDMA_NL_RDMA_CM_ATTR_SRC_ADDR = 1,
21 RDMA_NL_RDMA_CM_ATTR_DST_ADDR,
22 RDMA_NL_RDMA_CM_NUM_ATTR,
23};
24
25struct rdma_cm_id_stats {
26 __u32 qp_num;
27 __u32 bound_dev_if;
28 __u32 port_space;
29 __s32 pid;
30 __u8 cm_state;
31 __u8 node_type;
32 __u8 port_num;
33 __u8 qp_type;
34};
35
36#ifdef __KERNEL__
37
38#include <linux/netlink.h>
39
40struct ibnl_client_cbs {
41 int (*dump)(struct sk_buff *skb, struct netlink_callback *nlcb);
42 struct module *module;
43};
44
45int ibnl_init(void);
46void ibnl_cleanup(void);
47
48/**
49 * Add a a client to the list of IB netlink exporters.
50 * @index: Index of the added client
51 * @nops: Number of supported ops by the added client.
52 * @cb_table: A table for op->callback
53 *
54 * Returns 0 on success or a negative error code.
55 */
56int ibnl_add_client(int index, int nops,
57 const struct ibnl_client_cbs cb_table[]);
58
59/**
60 * Remove a client from IB netlink.
61 * @index: Index of the removed IB client.
62 *
63 * Returns 0 on success or a negative error code.
64 */
65int ibnl_remove_client(int index);
66
67/**
68 * Put a new message in a supplied skb.
69 * @skb: The netlink skb.
70 * @nlh: Pointer to put the header of the new netlink message.
71 * @seq: The message sequence number.
72 * @len: The requested message length to allocate.
73 * @client: Calling IB netlink client.
74 * @op: message content op.
75 * Returns the allocated buffer on success and NULL on failure.
76 */
77void *ibnl_put_msg(struct sk_buff *skb, struct nlmsghdr **nlh, int seq,
78 int len, int client, int op);
79/**
80 * Put a new attribute in a supplied skb.
81 * @skb: The netlink skb.
82 * @nlh: Header of the netlink message to append the attribute to.
83 * @len: The length of the attribute data.
84 * @data: The attribute data to put.
85 * @type: The attribute type.
86 * Returns the 0 and a negative error code on failure.
87 */
88int ibnl_put_attr(struct sk_buff *skb, struct nlmsghdr *nlh,
89 int len, void *data, int type);
90
91#endif /* __KERNEL__ */
92
93#endif /* _RDMA_NETLINK_H */