26 #include <netlink-private/netlink.h> 27 #include <netlink-private/tc.h> 28 #include <netlink/netlink.h> 29 #include <netlink/utils.h> 30 #include <netlink-private/route/tc-api.h> 31 #include <netlink/route/qdisc.h> 32 #include <netlink/route/qdisc/sfq.h> 35 #define SCH_SFQ_ATTR_QUANTUM 0x01 36 #define SCH_SFQ_ATTR_PERTURB 0x02 37 #define SCH_SFQ_ATTR_LIMIT 0x04 38 #define SCH_SFQ_ATTR_DIVISOR 0x08 39 #define SCH_SFQ_ATTR_FLOWS 0x10 42 static int sfq_msg_parser(
struct rtnl_tc *tc,
void *data)
44 struct rtnl_sfq *sfq = data;
45 struct tc_sfq_qopt *opts;
47 if (!(tc->ce_mask & TCA_ATTR_OPTS))
50 if (tc->tc_opts->d_size <
sizeof(*opts))
53 opts = (
struct tc_sfq_qopt *) tc->tc_opts->d_data;
55 sfq->qs_quantum = opts->quantum;
56 sfq->qs_perturb = opts->perturb_period;
57 sfq->qs_limit = opts->limit;
58 sfq->qs_divisor = opts->divisor;
59 sfq->qs_flows = opts->flows;
61 sfq->qs_mask = (SCH_SFQ_ATTR_QUANTUM | SCH_SFQ_ATTR_PERTURB |
62 SCH_SFQ_ATTR_LIMIT | SCH_SFQ_ATTR_DIVISOR |
68 static void sfq_dump_line(
struct rtnl_tc *tc,
void *data,
71 struct rtnl_sfq *sfq = data;
74 nl_dump(p,
" quantum %u perturb %us", sfq->qs_quantum,
78 static void sfq_dump_details(
struct rtnl_tc *tc,
void *data,
81 struct rtnl_sfq *sfq = data;
84 nl_dump(p,
"limit %u divisor %u",
85 sfq->qs_limit, sfq->qs_divisor);
88 static int sfq_msg_fill(
struct rtnl_tc *tc,
void *data,
struct nl_msg *msg)
90 struct rtnl_sfq *sfq = data;
91 struct tc_sfq_qopt opts = {0};
96 opts.quantum = sfq->qs_quantum;
97 opts.perturb_period = sfq->qs_perturb;
98 opts.limit = sfq->qs_limit;
100 return nlmsg_append(msg, &opts,
sizeof(opts), NL_DONTPAD);
116 struct rtnl_sfq *sfq;
121 sfq->qs_quantum = quantum;
122 sfq->qs_mask |= SCH_SFQ_ATTR_QUANTUM;
132 struct rtnl_sfq *sfq;
137 if (sfq->qs_mask & SCH_SFQ_ATTR_QUANTUM)
138 return sfq->qs_quantum;
151 struct rtnl_sfq *sfq;
156 sfq->qs_limit = limit;
157 sfq->qs_mask |= SCH_SFQ_ATTR_LIMIT;
167 struct rtnl_sfq *sfq;
172 if (sfq->qs_mask & SCH_SFQ_ATTR_LIMIT)
173 return sfq->qs_limit;
187 struct rtnl_sfq *sfq;
192 sfq->qs_perturb = perturb;
193 sfq->qs_mask |= SCH_SFQ_ATTR_PERTURB;
203 struct rtnl_sfq *sfq;
208 if (sfq->qs_mask & SCH_SFQ_ATTR_PERTURB)
209 return sfq->qs_perturb;
221 struct rtnl_sfq *sfq;
226 if (sfq->qs_mask & SCH_SFQ_ATTR_DIVISOR)
227 return sfq->qs_divisor;
234 static struct rtnl_tc_ops sfq_ops = {
236 .to_type = RTNL_TC_TYPE_QDISC,
237 .to_size =
sizeof(
struct rtnl_sfq),
238 .to_msg_parser = sfq_msg_parser,
243 .to_msg_fill = sfq_msg_fill,
246 static void __init sfq_init(
void)
251 static void __exit sfq_exit(
void)
Dump object briefly on one line.
int rtnl_tc_register(struct rtnl_tc_ops *ops)
Register a traffic control module.
Dump all attributes but no statistics.
int rtnl_sfq_get_perturb(struct rtnl_qdisc *qdisc)
Get perturbation interval of SFQ qdisc.
void rtnl_tc_unregister(struct rtnl_tc_ops *ops)
Unregister a traffic control module.
void rtnl_sfq_set_limit(struct rtnl_qdisc *qdisc, int limit)
Set limit of SFQ qdisc.
#define TC_CAST(ptr)
Macro to cast qdisc/class/classifier to tc object.
int rtnl_sfq_get_quantum(struct rtnl_qdisc *qdisc)
Get quantum of SFQ qdisc.
int rtnl_sfq_get_limit(struct rtnl_qdisc *qdisc)
Get limit of SFQ qdisc.
void * rtnl_tc_data(struct rtnl_tc *tc)
Return pointer to private data of traffic control object.
int nlmsg_append(struct nl_msg *n, void *data, size_t len, int pad)
Append data to tail of a netlink message.
void rtnl_sfq_set_quantum(struct rtnl_qdisc *qdisc, int quantum)
Set quantum of SFQ qdisc.
void rtnl_sfq_set_perturb(struct rtnl_qdisc *qdisc, int perturb)
Set perturbation interval of SFQ qdisc.
void nl_dump(struct nl_dump_params *params, const char *fmt,...)
Dump a formatted character string.
int rtnl_sfq_get_divisor(struct rtnl_qdisc *qdisc)
Get divisor of SFQ qdisc.