#ifndef _RDMA_NETLINK_H
#define _RDMA_NETLINK_H


#include <linux/netlink.h>
#include <uapi/rdma/rdma_netlink.h>

struct ibnl_client_cbs {
	int (*dump)(struct sk_buff *skb, struct netlink_callback *nlcb);
	struct module *module;
};

int ibnl_init(void);
void ibnl_cleanup(void);

/**
 * Add a a client to the list of IB netlink exporters.
 * @index: Index of the added client
 * @nops: Number of supported ops by the added client.
 * @cb_table: A table for op->callback
 *
 * Returns 0 on success or a negative error code.
 */
int ibnl_add_client(int index, int nops,
		    const struct ibnl_client_cbs cb_table[]);

/**
 * Remove a client from IB netlink.
 * @index: Index of the removed IB client.
 *
 * Returns 0 on success or a negative error code.
 */
int ibnl_remove_client(int index);

/**
 * Put a new message in a supplied skb.
 * @skb: The netlink skb.
 * @nlh: Pointer to put the header of the new netlink message.
 * @seq: The message sequence number.
 * @len: The requested message length to allocate.
 * @client: Calling IB netlink client.
 * @op: message content op.
 * Returns the allocated buffer on success and NULL on failure.
 */
void *ibnl_put_msg(struct sk_buff *skb, struct nlmsghdr **nlh, int seq,
		   int len, int client, int op, int flags);
/**
 * Put a new attribute in a supplied skb.
 * @skb: The netlink skb.
 * @nlh: Header of the netlink message to append the attribute to.
 * @len: The length of the attribute data.
 * @data: The attribute data to put.
 * @type: The attribute type.
 * Returns the 0 and a negative error code on failure.
 */
int ibnl_put_attr(struct sk_buff *skb, struct nlmsghdr *nlh,
		  int len, void *data, int type);

/**
 * Send the supplied skb to a specific userspace PID.
 * @skb: The netlink skb
 * @nlh: Header of the netlink message to send
 * @pid: Userspace netlink process ID
 * Returns 0 on success or a negative error code.
 */
int ibnl_unicast(struct sk_buff *skb, struct nlmsghdr *nlh,
			__u32 pid);

/**
 * Send the supplied skb to a netlink group.
 * @skb: The netlink skb
 * @nlh: Header of the netlink message to send
 * @group: Netlink group ID
 * @flags: allocation flags
 * Returns 0 on success or a negative error code.
 */
int ibnl_multicast(struct sk_buff *skb, struct nlmsghdr *nlh,
			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.
 */
int ibnl_chk_listeners(unsigned int group);

#endif /* _RDMA_NETLINK_H */
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/log/?h=nds-private-remove&amp;id=4ff0620354f2b39b9fe2a91c22c4de9d1fba0c8e'>root</a>/<a href='/cgit.cgi/linux/net-next.git/log/net?h=nds-private-remove&amp;id=4ff0620354f2b39b9fe2a91c22c4de9d1fba0c8e'>net</a>/<a href='/cgit.cgi/linux/net-next.git/log/net/Makefile?h=nds-private-remove&amp;id=4ff0620354f2b39b9fe2a91c22c4de9d1fba0c8e'>Makefile</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/cgit.cgi/linux/net-next.git/log/net/Makefile?h=nds-private-remove&amp;id=4ff0620354f2b39b9fe2a91c22c4de9d1fba0c8e&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th><th class='left'>Files</th><th class='left'>Lines</th></tr>
<tr><td><span title='2017-02-03 15:16:45 -0500'>2017-02-03</span></td><td><a href='/cgit.cgi/linux/net-next.git/commit/net/Makefile?h=nds-private-remove&amp;id=1ce8460496c05379c66edc178c3c55ca4e953044'>net: Introduce ife encapsulation module</a></td><td>Yotam Gigi</td><td>1</td><td><span class='deletions'>-0</span>/<span class='insertions'>+1</span></td></tr>