13#include "nl-default.h"
15#include <netlink/netlink.h>
16#include <netlink/utils.h>
17#include <netlink/route/qdisc.h>
18#include <netlink/route/qdisc/red.h>
34#define RED_ATTR_LIMIT 0x01
35#define RED_ATTR_QTH_MIN 0x02
36#define RED_ATTR_QTH_MAX 0x04
37#define RED_ATTR_FLAGS 0x08
38#define RED_ATTR_WLOG 0x10
39#define RED_ATTR_PLOG 0x20
40#define RED_ATTR_SCELL_LOG 0x40
43static struct nla_policy red_policy[TCA_RED_MAX+1] = {
44 [TCA_RED_PARMS] = { .
minlen =
sizeof(
struct tc_red_qopt) },
47static int red_msg_parser(
struct rtnl_tc *tc,
void *data)
49 struct nlattr *tb[TCA_RED_MAX+1];
50 struct rtnl_red *red = data;
51 struct tc_red_qopt *opts;
54 if (!(tc->ce_mask & TCA_ATTR_OPTS))
57 err = tca_parse(tb, TCA_RED_MAX, tc, red_policy);
61 if (!tb[TCA_RED_PARMS])
62 return -NLE_MISSING_ATTR;
66 red->qr_limit = opts->limit;
67 red->qr_qth_min = opts->qth_min;
68 red->qr_qth_max = opts->qth_max;
69 red->qr_flags = opts->flags;
70 red->qr_wlog = opts->Wlog;
71 red->qr_plog = opts->Plog;
72 red->qr_scell_log = opts->Scell_log;
74 red->qr_mask = (RED_ATTR_LIMIT | RED_ATTR_QTH_MIN | RED_ATTR_QTH_MAX |
75 RED_ATTR_FLAGS | RED_ATTR_WLOG | RED_ATTR_PLOG |
81static void red_dump_line(
struct rtnl_tc *tc,
void *data,
84 struct rtnl_red *red = data;
91static void red_dump_details(
struct rtnl_tc *tc,
void *data,
94 struct rtnl_red *red = data;
101static void red_dump_stats(
struct rtnl_tc *tc,
void *data,
104 struct rtnl_red *red = data;
111static int red_msg_fill(
struct rtnl_tc *tc,
void *data,
struct nl_msg *msg)
113 struct rtnl_red *red = data;
119 memset(&opts, 0,
sizeof(opts));
120 opts.quantum = sfq->qs_quantum;
121 opts.perturb_period = sfq->qs_perturb;
122 opts.limit = sfq->qs_limit;
124 if (
nlmsg_append(msg, &opts,
sizeof(opts), NL_DONTPAD) < 0)
128 return -NLE_OPNOTSUPP;
144 struct rtnl_red *red;
149 red->qr_limit = limit;
150 red->qr_mask |= RED_ATTR_LIMIT;
160 struct rtnl_red *red;
165 if (red->qr_mask & RED_ATTR_LIMIT)
166 return red->qr_limit;
173static struct rtnl_tc_ops red_ops = {
175 .to_type = RTNL_TC_TYPE_QDISC,
176 .to_size =
sizeof(
struct rtnl_red),
177 .to_msg_parser = red_msg_parser,
183 .to_msg_fill = red_msg_fill,
186static void _nl_init red_init(
void)
191static void _nl_exit red_exit(
void)
void * nla_data(const struct nlattr *nla)
Return pointer to the payload section.
int nlmsg_append(struct nl_msg *n, void *data, size_t len, int pad)
Append data to tail of a netlink message.
void rtnl_red_set_limit(struct rtnl_qdisc *qdisc, int limit)
Set limit of RED qdisc.
int rtnl_red_get_limit(struct rtnl_qdisc *qdisc)
Get limit of RED qdisc.
#define TC_CAST(ptr)
Macro to cast qdisc/class/classifier to tc object.
void * rtnl_tc_data(struct rtnl_tc *)
Return pointer to private data of traffic control object.
int rtnl_tc_register(struct rtnl_tc_ops *)
Register a traffic control module.
void rtnl_tc_unregister(struct rtnl_tc_ops *)
Unregister a traffic control module.
@ NL_DUMP_STATS
Dump all attributes including statistics.
@ NL_DUMP_LINE
Dump object briefly on one line.
@ NL_DUMP_DETAILS
Dump all attributes but no statistics.
Attribute validation policy.
uint16_t minlen
Minimal length of payload required.