projects / mirror_ubuntu-artful-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> |
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7 | |
| 8 | struct ibnl_client_cbs { | |
| 9 | int (*dump)(struct sk_buff *skb, struct netlink_callback *nlcb); | |
| 809d5fc9 | 10 | struct module *module; |
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11 | }; |
| 12 | ||
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13 | /** |
| 14 | * Add a a client to the list of IB netlink exporters. | |
| 15 | * @index: Index of the added client | |
| 16 | * @nops: Number of supported ops by the added client. | |
| 17 | * @cb_table: A table for op->callback | |
| 18 | * | |
| 19 | * Returns 0 on success or a negative error code. | |
| 20 | */ | |
| 21 | int ibnl_add_client(int index, int nops, | |
| 22 | const struct ibnl_client_cbs cb_table[]); | |
| 23 | ||
| 24 | /** | |
| 25 | * Remove a client from IB netlink. | |
| 26 | * @index: Index of the removed IB client. | |
| 27 | * | |
| 28 | * Returns 0 on success or a negative error code. | |
| 29 | */ | |
| 30 | int ibnl_remove_client(int index); | |
| 31 | ||
| 32 | /** | |
| 33 | * Put a new message in a supplied skb. | |
| 34 | * @skb: The netlink skb. | |
| 35 | * @nlh: Pointer to put the header of the new netlink message. | |
| 36 | * @seq: The message sequence number. | |
| 37 | * @len: The requested message length to allocate. | |
| 38 | * @client: Calling IB netlink client. | |
| 39 | * @op: message content op. | |
| 40 | * Returns the allocated buffer on success and NULL on failure. | |
| 41 | */ | |
| 42 | void *ibnl_put_msg(struct sk_buff *skb, struct nlmsghdr **nlh, int seq, | |
| 30dc5e63 | 43 | int len, int client, int op, int flags); |
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44 | /** |
| 45 | * Put a new attribute in a supplied skb. | |
| 46 | * @skb: The netlink skb. | |
| 47 | * @nlh: Header of the netlink message to append the attribute to. | |
| 48 | * @len: The length of the attribute data. | |
| 49 | * @data: The attribute data to put. | |
| 50 | * @type: The attribute type. | |
| 51 | * Returns the 0 and a negative error code on failure. | |
| 52 | */ | |
| 53 | int ibnl_put_attr(struct sk_buff *skb, struct nlmsghdr *nlh, | |
| 54 | int len, void *data, int type); | |
| 55 | ||
| 30dc5e63 TN |
56 | /** |
| 57 | * Send the supplied skb to a specific userspace PID. | |
| 58 | * @skb: The netlink skb | |
| 59 | * @nlh: Header of the netlink message to send | |
| 60 | * @pid: Userspace netlink process ID | |
| 61 | * Returns 0 on success or a negative error code. | |
| 62 | */ | |
| 63 | int ibnl_unicast(struct sk_buff *skb, struct nlmsghdr *nlh, | |
| 64 | __u32 pid); | |
| 65 | ||
| 66 | /** | |
| 67 | * Send the supplied skb to a netlink group. | |
| 68 | * @skb: The netlink skb | |
| 69 | * @nlh: Header of the netlink message to send | |
| 70 | * @group: Netlink group ID | |
| 71 | * @flags: allocation flags | |
| 72 | * Returns 0 on success or a negative error code. | |
| 73 | */ | |
| 74 | int ibnl_multicast(struct sk_buff *skb, struct nlmsghdr *nlh, | |
| 75 | unsigned int group, gfp_t flags); | |
| 76 | ||
| b2cbae2c | 77 | #endif /* _RDMA_NETLINK_H */ |