diff options
Diffstat (limited to 'netlink/nlsock.h')
| -rw-r--r-- | netlink/nlsock.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/netlink/nlsock.h b/netlink/nlsock.h new file mode 100644 index 0000000..b015f86 --- /dev/null +++ b/netlink/nlsock.h @@ -0,0 +1,45 @@ +/* + * nlsock.h - netlink socket + * + * Declarations of netlink socket structure and related functions. + */ + +#ifndef ETHTOOL_NETLINK_NLSOCK_H__ +#define ETHTOOL_NETLINK_NLSOCK_H__ + +#include <libmnl/libmnl.h> +#include <linux/netlink.h> +#include <linux/genetlink.h> +#include <linux/ethtool_netlink.h> +#include "msgbuff.h" + +struct nl_context; + +/** + * struct nl_socket - netlink socket abstraction + * @nlctx: netlink context + * @sk: libmnl socket handle + * @msgbuff: embedded message buffer used by default + * @port: port number for netlink header + * @seq: autoincremented sequence number for netlink header + * @nl_fam: netlink family (e.g. NETLINK_GENERIC or NETLINK_ROUTE) + */ +struct nl_socket { + struct nl_context *nlctx; + struct mnl_socket *sk; + struct nl_msg_buff msgbuff; + unsigned int port; + unsigned int seq; + int nl_fam; +}; + +int nlsock_init(struct nl_context *nlctx, struct nl_socket **__nlsk, + int nl_fam); +void nlsock_done(struct nl_socket *nlsk); +int nlsock_prep_get_request(struct nl_socket *nlsk, unsigned int nlcmd, + uint16_t hdr_attrtype, u32 flags); +ssize_t nlsock_sendmsg(struct nl_socket *nlsk, struct nl_msg_buff *__msgbuff); +int nlsock_send_get_request(struct nl_socket *nlsk, mnl_cb_t cb); +int nlsock_process_reply(struct nl_socket *nlsk, mnl_cb_t reply_cb, void *data); + +#endif /* ETHTOOL_NETLINK_NLSOCK_H__ */ |