1 /* 2 * netlink/route/qdisc-modules.h Qdisc Module API 3 * 4 * This library is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Lesser General Public 6 * License as published by the Free Software Foundation version 2.1 7 * of the License. 8 * 9 * Copyright (c) 2003-2006 Thomas Graf <tgraf@suug.ch> 10 */ 11 12 #ifndef NETLINK_QDISC_MODULES_H_ 13 #define NETLINK_QDISC_MODULES_H_ 14 15 #include <netlink/netlink.h> 16 17 #ifdef __cplusplus 18 extern "C" { 19 #endif 20 21 /** 22 * Qdisc Operations 23 * @ingroup qdisc 24 */ 25 struct rtnl_qdisc_ops 26 { 27 /** 28 * Kind/Name of Qdisc 29 */ 30 char qo_kind[32]; 31 32 /** 33 * Dump callbacks 34 */ 35 void (*qo_dump[NL_DUMP_MAX+1])(struct rtnl_qdisc *, 36 struct nl_dump_params *); 37 38 /** 39 * Must return the contents supposed to be in TCA_OPTIONS 40 */ 41 struct nl_msg *(*qo_get_opts)(struct rtnl_qdisc *); 42 43 int (*qo_build_msg)(struct rtnl_qdisc *, struct nl_msg *); 44 45 /** 46 * TCA_OPTIONS message parser 47 */ 48 int (*qo_msg_parser)(struct rtnl_qdisc *); 49 50 /** 51 * Called before a Qdisc object gets destroyed 52 */ 53 void (*qo_free_data)(struct rtnl_qdisc *); 54 55 /** 56 * Called whenever a qdisc object needs to be cloned 57 */ 58 int (*qo_clone)(struct rtnl_qdisc *, struct rtnl_qdisc *); 59 60 /** 61 * INTERNAL (Do not use) 62 */ 63 struct rtnl_qdisc_ops *qo_next; 64 }; 65 66 extern int rtnl_qdisc_register(struct rtnl_qdisc_ops *); 67 extern int rtnl_qdisc_unregister(struct rtnl_qdisc_ops *); 68 extern struct rtnl_qdisc_ops * rtnl_qdisc_lookup_ops(struct rtnl_qdisc *); 69 extern struct rtnl_qdisc_ops * __rtnl_qdisc_lookup_ops(const char *); 70 71 #ifdef __cplusplus 72 } 73 #endif 74 75 #endif 76