projects / mirror_ubuntu-bionic-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| b2cbae2c RD |
1 | #ifndef _RDMA_NETLINK_H |
| 2 | #define _RDMA_NETLINK_H | |
| 3 | ||
| b2cbae2c RD |
4 | |
| 5 | #include <linux/netlink.h> | |
| 7235aa79 | 6 | #include <uapi/rdma/rdma_netlink.h> |
| b2cbae2c RD |
7 | |
| 8 | struct ibnl_client_cbs { | |
| 9 | int (*dump)(struct sk_buff *skb, struct netlink_callback *nlcb); | |
| 10 | }; | |
| 11 | ||
| b2cbae2c | 12 | /** |
| c9901724 | 13 | * Register client in RDMA netlink. |
| b2cbae2c | 14 | * @index: Index of the added client |
| b2cbae2c | 15 | * @cb_table: A table for op->callback |
| b2cbae2c | 16 | */ |
| c9901724 LR |
17 | void rdma_nl_register(unsigned int index, |
| 18 | const struct ibnl_client_cbs cb_table[]); | |
| b2cbae2c RD |
19 | |
| 20 | /** | |
| 21 | * Remove a client from IB netlink. | |
| 22 | * @index: Index of the removed IB client. | |
| b2cbae2c | 23 | */ |
| c9901724 | 24 | void rdma_nl_unregister(unsigned int index); |
| b2cbae2c RD |
25 | |
| 26 | /** | |
| 27 | * Put a new message in a supplied skb. | |
| 28 | * @skb: The netlink skb. | |
| 29 | * @nlh: Pointer to put the header of the new netlink message. | |
| 30 | * @seq: The message sequence number. | |
| 31 | * @len: The requested message length to allocate. | |
| 32 | * @client: Calling IB netlink client. | |
| 33 | * @op: message content op. | |
| 34 | * Returns the allocated buffer on success and NULL on failure. | |
| 35 | */ | |
| 36 | void *ibnl_put_msg(struct sk_buff *skb, struct nlmsghdr **nlh, int seq, | |
| 30dc5e63 | 37 | int len, int client, int op, int flags); |
| b2cbae2c RD |
38 | /** |
| 39 | * Put a new attribute in a supplied skb. | |
| 40 | * @skb: The netlink skb. | |
| 41 | * @nlh: Header of the netlink message to append the attribute to. | |
| 42 | * @len: The length of the attribute data. | |
| 43 | * @data: The attribute data to put. | |
| 44 | * @type: The attribute type. | |
| 45 | * Returns the 0 and a negative error code on failure. | |
| 46 | */ | |
| 47 | int ibnl_put_attr(struct sk_buff *skb, struct nlmsghdr *nlh, | |
| 48 | int len, void *data, int type); | |
| 49 | ||
| 30dc5e63 TN |
50 | /** |
| 51 | * Send the supplied skb to a specific userspace PID. | |
| 52 | * @skb: The netlink skb | |
| 53 | * @nlh: Header of the netlink message to send | |
| 54 | * @pid: Userspace netlink process ID | |
| 55 | * Returns 0 on success or a negative error code. | |
| 56 | */ | |
| 57 | int ibnl_unicast(struct sk_buff *skb, struct nlmsghdr *nlh, | |
| 58 | __u32 pid); | |
| 59 | ||
| 9047811b IM |
60 | /** |
| 61 | * Send, with wait/1 retry, the supplied skb to a specific userspace PID. | |
| 62 | * @skb: The netlink skb | |
| 63 | * @nlh: Header of the netlink message to send | |
| 64 | * @pid: Userspace netlink process ID | |
| 65 | * Returns 0 on success or a negative error code. | |
| 66 | */ | |
| 67 | int ibnl_unicast_wait(struct sk_buff *skb, struct nlmsghdr *nlh, | |
| 68 | __u32 pid); | |
| 69 | ||
| 30dc5e63 TN |
70 | /** |
| 71 | * Send the supplied skb to a netlink group. | |
| 72 | * @skb: The netlink skb | |
| 73 | * @nlh: Header of the netlink message to send | |
| 74 | * @group: Netlink group ID | |
| 75 | * @flags: allocation flags | |
| 76 | * Returns 0 on success or a negative error code. | |
| 77 | */ | |
| 78 | int ibnl_multicast(struct sk_buff *skb, struct nlmsghdr *nlh, | |
| 79 | unsigned int group, gfp_t flags); | |
| 80 | ||
| b2cbae2c | 81 | #endif /* _RDMA_NETLINK_H */ |