1 /*
2  * netlink/route/tc.h		Traffic Control
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_TC_H_
13 #define NETLINK_TC_H_
14 
15 #include <netlink/netlink.h>
16 #include <netlink/cache.h>
17 #include <netlink/data.h>
18 
19 #ifdef __cplusplus
20 extern "C" {
21 #endif
22 
23 /**
24  * TC statistics identifiers
25  * @ingroup tc
26  */
27 enum rtnl_tc_stats_id {
28 	RTNL_TC_PACKETS,	/**< Packets seen */
29 	RTNL_TC_BYTES,		/**< Bytes seen */
30 	RTNL_TC_RATE_BPS,	/**< Current bits/s (rate estimator) */
31 	RTNL_TC_RATE_PPS,	/**< Current packet/s (rate estimator) */
32 	RTNL_TC_QLEN,		/**< Queue length */
33 	RTNL_TC_BACKLOG,	/**< Backlog length */
34 	RTNL_TC_DROPS,		/**< Packets dropped */
35 	RTNL_TC_REQUEUES,	/**< Number of requeues */
36 	RTNL_TC_OVERLIMITS,	/**< Number of overlimits */
37 	__RTNL_TC_STATS_MAX,
38 };
39 
40 #define RTNL_TC_STATS_MAX (__RTNL_TC_STATS_MAX - 1)
41 
42 extern int rtnl_tc_calc_txtime(int, int);
43 extern int rtnl_tc_calc_bufsize(int, int);
44 extern int rtnl_tc_calc_cell_log(int);
45 
46 /**
47  * Number of entries in a transmission time lookup table
48  * @ingroup tc
49  */
50 #define RTNL_TC_RTABLE_SIZE	256
51 
52 extern int rtnl_tc_build_rate_table(uint32_t *, uint8_t, uint8_t, int, int);
53 
54 
55 /* TC Handle Translations */
56 extern char *		rtnl_tc_handle2str(uint32_t, char *, size_t);
57 extern int		rtnl_tc_str2handle(const char *, uint32_t *);
58 
59 #ifdef __cplusplus
60 }
61 #endif
62 
63 #endif
64