/* Define this module as providing netlink services for NETLINK_RDMA, with * index _index. Since the client indexes were setup in a uapi header as an * enum and we do no want to change that, the user must supply the expanded * constant as well and the compiler checks they are the same.
*/ #define MODULE_ALIAS_RDMA_NETLINK(_index, _val) \ staticinlinevoid __maybe_unused __chk_##_index(void) \
{ \
BUILD_BUG_ON(_index != _val); \
} \
MODULE_ALIAS("rdma-netlink-subsys-" __stringify(_val))
/** * Register client in RDMA netlink. * @index: Index of the added client * @cb_table: A table for op->callback
*/ void rdma_nl_register(unsignedint index, conststruct rdma_nl_cbs cb_table[]);
/** * Remove a client from IB netlink. * @index: Index of the removed IB client.
*/ void rdma_nl_unregister(unsignedint 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. * @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 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 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 net *net, struct sk_buff *skb, unsignedint group, gfp_t flags);
/** * Check if there are any listeners to the netlink group * @group: the netlink group ID * Returns true on success or false if no listeners.
*/ bool rdma_nl_chk_listeners(unsignedint group);
/** * Prepare and send an event message * @ib: the IB device which triggered the event * @port_num: the port number which triggered the event - 0 if unused * @type: the event type * Returns 0 on success or a negative error code
*/ int rdma_nl_notify_event(struct ib_device *ib, u32 port_num, enum rdma_nl_notify_event_type type);
Die Informationen auf dieser Webseite wurden
nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit,
noch Qualität der bereit gestellten Informationen zugesichert.
Bemerkung:
Die farbliche Syntaxdarstellung und die Messung sind noch experimentell.