#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
-#include <syslog.h>
#include <fcntl.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <string.h>
#include <math.h>
+#include <malloc.h>
#include "utils.h"
#include "tc_util.h"
#include "tc_common.h"
-static int usage(void);
-
static int usage(void)
{
- fprintf(stderr, "Usage: tc qdisc [ add | del | replace | change | get ] dev STRING\n");
- fprintf(stderr, " [ handle QHANDLE ] [ root | ingress | parent CLASSID ]\n");
+ fprintf(stderr, "Usage: tc qdisc [ add | del | replace | change | show ] dev STRING\n");
+ fprintf(stderr, " [ handle QHANDLE ] [ root | ingress | clsact | parent CLASSID ]\n");
fprintf(stderr, " [ estimator INTERVAL TIME_CONSTANT ]\n");
+ fprintf(stderr, " [ stab [ help | STAB_OPTIONS] ]\n");
+ fprintf(stderr, " [ ingress_block BLOCK_INDEX ] [ egress_block BLOCK_INDEX ]\n");
fprintf(stderr, " [ [ QDISC_KIND ] [ help | OPTIONS ] ]\n");
fprintf(stderr, "\n");
- fprintf(stderr, " tc qdisc show [ dev STRING ] [ingress]\n");
+ fprintf(stderr, " tc qdisc show [ dev STRING ] [ ingress | clsact ] [ invisible ]\n");
fprintf(stderr, "Where:\n");
fprintf(stderr, "QDISC_KIND := { [p|b]fifo | tbf | prio | cbq | red | etc. }\n");
fprintf(stderr, "OPTIONS := ... try tc qdisc add <desired QDISC_KIND> help\n");
+ fprintf(stderr, "STAB_OPTIONS := ... try tc qdisc add stab help\n");
return -1;
}
-int tc_qdisc_modify(int cmd, unsigned flags, int argc, char **argv)
+static int tc_qdisc_modify(int cmd, unsigned int flags, int argc, char **argv)
{
struct qdisc_util *q = NULL;
- struct tc_estimator est;
- char d[16];
- char k[16];
+ struct tc_estimator est = {};
struct {
- struct nlmsghdr n;
- struct tcmsg t;
- char buf[TCA_BUF_MAX];
- } req;
-
- memset(&req, 0, sizeof(req));
- memset(&est, 0, sizeof(est));
- memset(&d, 0, sizeof(d));
- memset(&k, 0, sizeof(k));
-
- req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct tcmsg));
- req.n.nlmsg_flags = NLM_F_REQUEST|flags;
- req.n.nlmsg_type = cmd;
- req.t.tcm_family = AF_UNSPEC;
+ struct tc_sizespec szopts;
+ __u16 *data;
+ } stab = {};
+ char d[IFNAMSIZ] = {};
+ char k[FILTER_NAMESZ] = {};
+ struct {
+ struct nlmsghdr n;
+ struct tcmsg t;
+ char buf[TCA_BUF_MAX];
+ } req = {
+ .n.nlmsg_len = NLMSG_LENGTH(sizeof(struct tcmsg)),
+ .n.nlmsg_flags = NLM_F_REQUEST | flags,
+ .n.nlmsg_type = cmd,
+ .t.tcm_family = AF_UNSPEC,
+ };
+ __u32 ingress_block = 0;
+ __u32 egress_block = 0;
while (argc > 0) {
if (strcmp(*argv, "dev") == 0) {
strncpy(d, *argv, sizeof(d)-1);
} else if (strcmp(*argv, "handle") == 0) {
__u32 handle;
+
if (req.t.tcm_handle)
duparg("handle", *argv);
NEXT_ARG();
if (get_qdisc_handle(&handle, *argv))
- invarg(*argv, "invalid qdisc ID");
+ invarg("invalid qdisc ID", *argv);
req.t.tcm_handle = handle;
} else if (strcmp(*argv, "root") == 0) {
if (req.t.tcm_parent) {
return -1;
}
req.t.tcm_parent = TC_H_ROOT;
-#ifdef TC_H_INGRESS
+ } else if (strcmp(*argv, "clsact") == 0) {
+ if (req.t.tcm_parent) {
+ fprintf(stderr, "Error: \"clsact\" is a duplicate parent ID\n");
+ return -1;
+ }
+ req.t.tcm_parent = TC_H_CLSACT;
+ strncpy(k, "clsact", sizeof(k) - 1);
+ q = get_qdisc_kind(k);
+ req.t.tcm_handle = TC_H_MAKE(TC_H_CLSACT, 0);
+ NEXT_ARG_FWD();
+ break;
} else if (strcmp(*argv, "ingress") == 0) {
if (req.t.tcm_parent) {
fprintf(stderr, "Error: \"ingress\" is a duplicate parent ID\n");
return -1;
}
req.t.tcm_parent = TC_H_INGRESS;
- strncpy(k, "ingress", sizeof(k)-1);
+ strncpy(k, "ingress", sizeof(k) - 1);
q = get_qdisc_kind(k);
- req.t.tcm_handle = 0xffff0000;
-
- argc--; argv++;
+ req.t.tcm_handle = TC_H_MAKE(TC_H_INGRESS, 0);
+ NEXT_ARG_FWD();
break;
-#endif
} else if (strcmp(*argv, "parent") == 0) {
__u32 handle;
+
NEXT_ARG();
if (req.t.tcm_parent)
duparg("parent", *argv);
if (get_tc_classid(&handle, *argv))
- invarg(*argv, "invalid parent ID");
+ invarg("invalid parent ID", *argv);
req.t.tcm_parent = handle;
} else if (matches(*argv, "estimator") == 0) {
if (parse_estimator(&argc, &argv, &est))
return -1;
+ } else if (matches(*argv, "stab") == 0) {
+ if (parse_size_table(&argc, &argv, &stab.szopts) < 0)
+ return -1;
+ continue;
+ } else if (matches(*argv, "ingress_block") == 0) {
+ NEXT_ARG();
+ if (get_u32(&ingress_block, *argv, 0) || !ingress_block)
+ invarg("invalid ingress block index value", *argv);
+ } else if (matches(*argv, "egress_block") == 0) {
+ NEXT_ARG();
+ if (get_u32(&egress_block, *argv, 0) || !egress_block)
+ invarg("invalid egress block index value", *argv);
} else if (matches(*argv, "help") == 0) {
usage();
} else {
if (est.ewma_log)
addattr_l(&req.n, sizeof(req), TCA_RATE, &est, sizeof(est));
+ if (ingress_block)
+ addattr32(&req.n, sizeof(req),
+ TCA_INGRESS_BLOCK, ingress_block);
+ if (egress_block)
+ addattr32(&req.n, sizeof(req),
+ TCA_EGRESS_BLOCK, egress_block);
+
if (q) {
- if (!q->parse_qopt) {
+ if (q->parse_qopt) {
+ if (q->parse_qopt(q, argc, argv, &req.n, d))
+ return 1;
+ } else if (argc) {
fprintf(stderr, "qdisc '%s' does not support option parsing\n", k);
return -1;
}
- if (q->parse_qopt(q, argc, argv, &req.n))
- return 1;
} else {
if (argc) {
if (matches(*argv, "help") == 0)
}
}
+ if (check_size_table_opts(&stab.szopts)) {
+ struct rtattr *tail;
+
+ if (tc_calc_size_table(&stab.szopts, &stab.data) < 0) {
+ fprintf(stderr, "failed to calculate size table.\n");
+ return -1;
+ }
+
+ tail = addattr_nest(&req.n, sizeof(req), TCA_STAB);
+ addattr_l(&req.n, sizeof(req), TCA_STAB_BASE, &stab.szopts,
+ sizeof(stab.szopts));
+ if (stab.data)
+ addattr_l(&req.n, sizeof(req), TCA_STAB_DATA, stab.data,
+ stab.szopts.tsize * sizeof(__u16));
+ addattr_nest_end(&req.n, tail);
+ if (stab.data)
+ free(stab.data);
+ }
+
if (d[0]) {
int idx;
- ll_init_map(&rth);
+ ll_init_map(&rth);
- if ((idx = ll_name_to_index(d)) == 0) {
- fprintf(stderr, "Cannot find device \"%s\"\n", d);
- return 1;
- }
+ idx = ll_name_to_index(d);
+ if (!idx)
+ return -nodev(d);
req.t.tcm_ifindex = idx;
}
- if (rtnl_talk(&rth, &req.n, 0, 0, NULL, NULL, NULL) < 0)
+ if (rtnl_talk(&rth, &req.n, NULL) < 0)
return 2;
return 0;
static int filter_ifindex;
-int print_qdisc(const struct sockaddr_nl *who,
- struct nlmsghdr *n,
- void *arg)
+int print_qdisc(struct nlmsghdr *n, void *arg)
{
- FILE *fp = (FILE*)arg;
+ FILE *fp = (FILE *)arg;
struct tcmsg *t = NLMSG_DATA(n);
int len = n->nlmsg_len;
- struct rtattr * tb[TCA_MAX+1];
+ struct rtattr *tb[TCA_MAX+1];
struct qdisc_util *q;
char abuf[256];
if (filter_ifindex && filter_ifindex != t->tcm_ifindex)
return 0;
- memset(tb, 0, sizeof(tb));
parse_rtattr(tb, TCA_MAX, TCA_RTA(t), len);
if (tb[TCA_KIND] == NULL) {
return -1;
}
+ open_json_object(NULL);
+
if (n->nlmsg_type == RTM_DELQDISC)
- fprintf(fp, "deleted ");
+ print_bool(PRINT_ANY, "deleted", "deleted ", true);
+
+ if (n->nlmsg_type == RTM_NEWQDISC &&
+ (n->nlmsg_flags & NLM_F_CREATE) &&
+ (n->nlmsg_flags & NLM_F_REPLACE))
+ print_bool(PRINT_ANY, "replaced", "replaced ", true);
+
+ if (n->nlmsg_type == RTM_NEWQDISC &&
+ (n->nlmsg_flags & NLM_F_CREATE) &&
+ (n->nlmsg_flags & NLM_F_EXCL))
+ print_bool(PRINT_ANY, "added", "added ", true);
+
+ print_string(PRINT_ANY, "kind", "qdisc %s",
+ rta_getattr_str(tb[TCA_KIND]));
+ sprintf(abuf, "%x:", t->tcm_handle >> 16);
+ print_string(PRINT_ANY, "handle", " %s", abuf);
+ if (show_raw) {
+ sprintf(abuf, "[%08x]", t->tcm_handle);
+ print_string(PRINT_FP, NULL, "%s", abuf);
+ }
+ print_string(PRINT_FP, NULL, " ", NULL);
- fprintf(fp, "qdisc %s %x: ", (char*)RTA_DATA(tb[TCA_KIND]), t->tcm_handle>>16);
if (filter_ifindex == 0)
- fprintf(fp, "dev %s ", ll_index_to_name(t->tcm_ifindex));
+ print_devname(PRINT_ANY, t->tcm_ifindex);
+
if (t->tcm_parent == TC_H_ROOT)
- fprintf(fp, "root ");
+ print_bool(PRINT_ANY, "root", "root ", true);
else if (t->tcm_parent) {
print_tc_classid(abuf, sizeof(abuf), t->tcm_parent);
- fprintf(fp, "parent %s ", abuf);
+ print_string(PRINT_ANY, "parent", "parent %s ", abuf);
}
- if (t->tcm_info != 1) {
- fprintf(fp, "refcnt %d ", t->tcm_info);
+
+ if (t->tcm_info != 1)
+ print_uint(PRINT_ANY, "refcnt", "refcnt %u ", t->tcm_info);
+
+ if (tb[TCA_HW_OFFLOAD] &&
+ (rta_getattr_u8(tb[TCA_HW_OFFLOAD])))
+ print_bool(PRINT_ANY, "offloaded", "offloaded ", true);
+
+ if (tb[TCA_INGRESS_BLOCK] &&
+ RTA_PAYLOAD(tb[TCA_INGRESS_BLOCK]) >= sizeof(__u32)) {
+ __u32 block = rta_getattr_u32(tb[TCA_INGRESS_BLOCK]);
+
+ if (block)
+ print_uint(PRINT_ANY, "ingress_block",
+ "ingress_block %u ", block);
}
- /* pfifo_fast is generic enough to warrant the hardcoding --JHS */
-
- if (0 == strcmp("pfifo_fast", RTA_DATA(tb[TCA_KIND])))
+
+ if (tb[TCA_EGRESS_BLOCK] &&
+ RTA_PAYLOAD(tb[TCA_EGRESS_BLOCK]) >= sizeof(__u32)) {
+ __u32 block = rta_getattr_u32(tb[TCA_EGRESS_BLOCK]);
+
+ if (block)
+ print_uint(PRINT_ANY, "egress_block",
+ "egress_block %u ", block);
+ }
+
+ /* pfifo_fast is generic enough to warrant the hardcoding --JHS */
+ if (strcmp("pfifo_fast", RTA_DATA(tb[TCA_KIND])) == 0)
q = get_qdisc_kind("prio");
else
q = get_qdisc_kind(RTA_DATA(tb[TCA_KIND]));
-
+
+ open_json_object("options");
if (tb[TCA_OPTIONS]) {
if (q)
q->print_qopt(q, fp, tb[TCA_OPTIONS]);
else
- fprintf(fp, "[cannot parse qdisc parameters]");
+ print_string(PRINT_FP, NULL,
+ "[cannot parse qdisc parameters]", NULL);
}
- fprintf(fp, "\n");
+ close_json_object();
+
+ print_string(PRINT_FP, NULL, "\n", NULL);
+
+ if (show_details && tb[TCA_STAB]) {
+ print_size_table(fp, " ", tb[TCA_STAB]);
+ print_string(PRINT_FP, NULL, "\n", NULL);
+ }
+
if (show_stats) {
struct rtattr *xstats = NULL;
if (tb[TCA_STATS] || tb[TCA_STATS2] || tb[TCA_XSTATS]) {
print_tcstats_attr(fp, tb, " ", &xstats);
- fprintf(fp, "\n");
+ print_string(PRINT_FP, NULL, "\n", NULL);
}
if (q && xstats && q->print_xstats) {
q->print_xstats(q, fp, xstats);
- fprintf(fp, "\n");
+ print_string(PRINT_FP, NULL, "\n", NULL);
}
}
+ close_json_object();
fflush(fp);
return 0;
}
-
-int tc_qdisc_list(int argc, char **argv)
+static int tc_qdisc_list(int argc, char **argv)
{
- struct tcmsg t;
- char d[16];
+ struct tcmsg t = { .tcm_family = AF_UNSPEC };
+ char d[IFNAMSIZ] = {};
+ bool dump_invisible = false;
- memset(&t, 0, sizeof(t));
- t.tcm_family = AF_UNSPEC;
- memset(&d, 0, sizeof(d));
-
while (argc > 0) {
if (strcmp(*argv, "dev") == 0) {
NEXT_ARG();
strncpy(d, *argv, sizeof(d)-1);
-#ifdef TC_H_INGRESS
- } else if (strcmp(*argv, "ingress") == 0) {
- if (t.tcm_parent) {
- fprintf(stderr, "Duplicate parent ID\n");
- usage();
- }
- t.tcm_parent = TC_H_INGRESS;
-#endif
+ } else if (strcmp(*argv, "ingress") == 0 ||
+ strcmp(*argv, "clsact") == 0) {
+ if (t.tcm_parent) {
+ fprintf(stderr, "Duplicate parent ID\n");
+ usage();
+ }
+ t.tcm_parent = TC_H_INGRESS;
} else if (matches(*argv, "help") == 0) {
usage();
+ } else if (strcmp(*argv, "invisible") == 0) {
+ dump_invisible = true;
} else {
fprintf(stderr, "What is \"%s\"? Try \"tc qdisc help\".\n", *argv);
return -1;
argc--; argv++;
}
- ll_init_map(&rth);
+ ll_init_map(&rth);
if (d[0]) {
- if ((t.tcm_ifindex = ll_name_to_index(d)) == 0) {
- fprintf(stderr, "Cannot find device \"%s\"\n", d);
- return 1;
- }
+ t.tcm_ifindex = ll_name_to_index(d);
+ if (!t.tcm_ifindex)
+ return -nodev(d);
filter_ifindex = t.tcm_ifindex;
}
- if (rtnl_dump_request(&rth, RTM_GETQDISC, &t, sizeof(t)) < 0) {
+ if (dump_invisible) {
+ struct {
+ struct nlmsghdr n;
+ struct tcmsg t;
+ char buf[256];
+ } req = {
+ .n.nlmsg_type = RTM_GETQDISC,
+ .n.nlmsg_len = NLMSG_LENGTH(sizeof(struct tcmsg)),
+ };
+
+ req.t.tcm_family = AF_UNSPEC;
+
+ addattr(&req.n, 256, TCA_DUMP_INVISIBLE);
+ if (rtnl_dump_request_n(&rth, &req.n) < 0) {
+ perror("Cannot send dump request");
+ return 1;
+ }
+
+ } else if (rtnl_dump_request(&rth, RTM_GETQDISC, &t, sizeof(t)) < 0) {
perror("Cannot send dump request");
return 1;
}
- if (rtnl_dump_filter(&rth, print_qdisc, stdout, NULL, NULL) < 0) {
+ new_json_obj(json);
+ if (rtnl_dump_filter(&rth, print_qdisc, stdout) < 0) {
fprintf(stderr, "Dump terminated\n");
return 1;
}
+ delete_json_obj();
return 0;
}
if (matches(*argv, "list") == 0 || matches(*argv, "show") == 0
|| matches(*argv, "lst") == 0)
return tc_qdisc_list(argc-1, argv+1);
- if (matches(*argv, "help") == 0)
+ if (matches(*argv, "help") == 0) {
usage();
+ return 0;
+ }
fprintf(stderr, "Command \"%s\" is unknown, try \"tc qdisc help\".\n", *argv);
return -1;
}
+
+struct tc_qdisc_block_exists_ctx {
+ __u32 block_index;
+ bool found;
+};
+
+static int tc_qdisc_block_exists_cb(struct nlmsghdr *n, void *arg)
+{
+ struct tc_qdisc_block_exists_ctx *ctx = arg;
+ struct tcmsg *t = NLMSG_DATA(n);
+ struct rtattr *tb[TCA_MAX+1];
+ int len = n->nlmsg_len;
+
+ if (n->nlmsg_type != RTM_NEWQDISC)
+ return 0;
+
+ len -= NLMSG_LENGTH(sizeof(*t));
+ if (len < 0)
+ return -1;
+
+ parse_rtattr(tb, TCA_MAX, TCA_RTA(t), len);
+
+ if (tb[TCA_KIND] == NULL)
+ return -1;
+
+ if (tb[TCA_INGRESS_BLOCK] &&
+ RTA_PAYLOAD(tb[TCA_INGRESS_BLOCK]) >= sizeof(__u32)) {
+ __u32 block = rta_getattr_u32(tb[TCA_INGRESS_BLOCK]);
+
+ if (block == ctx->block_index)
+ ctx->found = true;
+ }
+
+ if (tb[TCA_EGRESS_BLOCK] &&
+ RTA_PAYLOAD(tb[TCA_EGRESS_BLOCK]) >= sizeof(__u32)) {
+ __u32 block = rta_getattr_u32(tb[TCA_EGRESS_BLOCK]);
+
+ if (block == ctx->block_index)
+ ctx->found = true;
+ }
+ return 0;
+}
+
+bool tc_qdisc_block_exists(__u32 block_index)
+{
+ struct tc_qdisc_block_exists_ctx ctx = { .block_index = block_index };
+ struct tcmsg t = { .tcm_family = AF_UNSPEC };
+
+ if (rtnl_dump_request(&rth, RTM_GETQDISC, &t, sizeof(t)) < 0) {
+ perror("Cannot send dump request");
+ return false;
+ }
+
+ if (rtnl_dump_filter(&rth, tc_qdisc_block_exists_cb, &ctx) < 0) {
+ perror("Dump terminated\n");
+ return false;
+ }
+
+ return ctx.found;
+}
projects / mirror_iproute2.git / blobdiff