| /* |
| * netlink/route/tc.h Traffic Control |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation version 2.1 |
| * of the License. |
| * |
| * Copyright (c) 2003-2011 Thomas Graf <tgraf@suug.ch> |
| */ |
| |
| #ifndef NETLINK_TC_H_ |
| #define NETLINK_TC_H_ |
| |
| #include <netlink/netlink.h> |
| #include <netlink/cache.h> |
| #include <netlink/data.h> |
| #include <netlink/route/link.h> |
| #include <linux/pkt_sched.h> |
| #include <linux/pkt_cls.h> |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| enum rtnl_tc_type { |
| RTNL_TC_TYPE_QDISC, |
| RTNL_TC_TYPE_CLASS, |
| RTNL_TC_TYPE_CLS, |
| RTNL_TC_TYPE_ACT, |
| __RTNL_TC_TYPE_MAX, |
| }; |
| |
| #define RTNL_TC_TYPE_MAX (__RTNL_TC_TYPE_MAX - 1) |
| |
| /** |
| * Compute tc handle based on major and minor parts |
| * @ingroup tc |
| */ |
| #define TC_HANDLE(maj, min) (TC_H_MAJ((maj) << 16) | TC_H_MIN(min)) |
| |
| /** |
| * Traffic control object |
| * @ingroup tc |
| */ |
| struct rtnl_tc; |
| |
| /** |
| * Macro to cast qdisc/class/classifier to tc object |
| * @ingroup tc |
| * |
| * @code |
| * rtnl_tc_set_mpu(TC_CAST(qdisc), 40); |
| * @endcode |
| */ |
| #define TC_CAST(ptr) ((struct rtnl_tc *) (ptr)) |
| |
| /** |
| * Traffic control statistical identifier |
| * @ingroup tc |
| * |
| * @code |
| * uint64_t n = rtnl_tc_get_stat(TC_CAST(class), RTNL_TC_PACKETS); |
| * @endcode |
| */ |
| enum rtnl_tc_stat { |
| RTNL_TC_PACKETS, /**< Number of packets seen */ |
| RTNL_TC_BYTES, /**< Total bytes seen */ |
| RTNL_TC_RATE_BPS, /**< Current bits/s (rate estimator) */ |
| RTNL_TC_RATE_PPS, /**< Current packet/s (rate estimator) */ |
| RTNL_TC_QLEN, /**< Current queue length */ |
| RTNL_TC_BACKLOG, /**< Current backlog length */ |
| RTNL_TC_DROPS, /**< Total number of packets dropped */ |
| RTNL_TC_REQUEUES, /**< Total number of requeues */ |
| RTNL_TC_OVERLIMITS, /**< Total number of overlimits */ |
| __RTNL_TC_STATS_MAX, |
| }; |
| |
| #define RTNL_TC_STATS_MAX (__RTNL_TC_STATS_MAX - 1) |
| |
| extern void rtnl_tc_set_ifindex(struct rtnl_tc *, int); |
| extern int rtnl_tc_get_ifindex(struct rtnl_tc *); |
| extern void rtnl_tc_set_link(struct rtnl_tc *, struct rtnl_link *); |
| extern struct rtnl_link *rtnl_tc_get_link(struct rtnl_tc *); |
| extern void rtnl_tc_set_mtu(struct rtnl_tc *, uint32_t); |
| extern uint32_t rtnl_tc_get_mtu(struct rtnl_tc *); |
| extern void rtnl_tc_set_mpu(struct rtnl_tc *, uint32_t); |
| extern uint32_t rtnl_tc_get_mpu(struct rtnl_tc *); |
| extern void rtnl_tc_set_overhead(struct rtnl_tc *, uint32_t); |
| extern uint32_t rtnl_tc_get_overhead(struct rtnl_tc *); |
| extern void rtnl_tc_set_linktype(struct rtnl_tc *, uint32_t); |
| extern uint32_t rtnl_tc_get_linktype(struct rtnl_tc *); |
| extern void rtnl_tc_set_handle(struct rtnl_tc *, uint32_t); |
| extern uint32_t rtnl_tc_get_handle(struct rtnl_tc *); |
| extern void rtnl_tc_set_parent(struct rtnl_tc *, uint32_t); |
| extern uint32_t rtnl_tc_get_parent(struct rtnl_tc *); |
| extern int rtnl_tc_set_kind(struct rtnl_tc *, const char *); |
| extern char * rtnl_tc_get_kind(struct rtnl_tc *); |
| extern uint64_t rtnl_tc_get_stat(struct rtnl_tc *, enum rtnl_tc_stat); |
| extern char * rtnl_tc_stat2str(enum rtnl_tc_stat, char *, size_t); |
| extern int rtnl_tc_str2stat(const char *); |
| |
| extern int rtnl_tc_calc_txtime(int, int); |
| extern int rtnl_tc_calc_bufsize(int, int); |
| extern int rtnl_tc_calc_cell_log(int); |
| |
| extern int rtnl_tc_read_classid_file(void); |
| extern char * rtnl_tc_handle2str(uint32_t, char *, size_t); |
| extern int rtnl_tc_str2handle(const char *, uint32_t *); |
| extern int rtnl_classid_generate(const char *, uint32_t *, |
| uint32_t); |
| extern void rtnl_tc_set_chain(struct rtnl_tc *, uint32_t); |
| extern int rtnl_tc_get_chain(struct rtnl_tc *, uint32_t *); |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif |