*
* Bernhard Reutner-Fischer adjusted for busybox
*/
+//config:config TC
+//config: bool "tc (8.3 kb)"
+//config: default y
+//config: help
+//config: Show / manipulate traffic control settings
+//config:
+//config:config FEATURE_TC_INGRESS
+//config: bool "Enable ingress"
+//config: default y
+//config: depends on TC
+
+//applet:IF_TC(APPLET(tc, BB_DIR_SBIN, BB_SUID_DROP))
+
+//kbuild:lib-$(CONFIG_TC) += tc.o
//usage:#define tc_trivial_usage
/* //usage: "[OPTIONS] OBJECT CMD [dev STRING]" */
//usage: "OBJECT CMD [dev STRING]"
//usage:#define tc_full_usage "\n\n"
-//usage: "OBJECT: {qdisc|class|filter}\n"
-//usage: "CMD: {add|del|change|replace|show}\n"
+//usage: "OBJECT: qdisc|class|filter\n"
+//usage: "CMD: add|del|change|replace|show\n"
//usage: "\n"
-//usage: "qdisc [ handle QHANDLE ] [ root |"IF_FEATURE_TC_INGRESS(" ingress |")" parent CLASSID ]\n"
-/* //usage: "[ estimator INTERVAL TIME_CONSTANT ]\n" */
-//usage: " [ [ QDISC_KIND ] [ help | OPTIONS ] ]\n"
-//usage: " QDISC_KIND := { [p|b]fifo | tbf | prio | cbq | red | etc. }\n"
-//usage: "qdisc show [ dev STRING ]"IF_FEATURE_TC_INGRESS(" [ingress]")"\n"
-//usage: "class [ classid CLASSID ] [ root | parent CLASSID ]\n"
-//usage: " [ [ QDISC_KIND ] [ help | OPTIONS ] ]\n"
-//usage: "class show [ dev STRING ] [ root | parent CLASSID ]\n"
-//usage: "filter [ pref PRIO ] [ protocol PROTO ]\n"
-/* //usage: "\t[ estimator INTERVAL TIME_CONSTANT ]\n" */
-//usage: " [ root | classid CLASSID ] [ handle FILTERID ]\n"
-//usage: " [ [ FILTER_TYPE ] [ help | OPTIONS ] ]\n"
-//usage: "filter show [ dev STRING ] [ root | parent CLASSID ]"
+//usage: "qdisc [handle QHANDLE] [root|"IF_FEATURE_TC_INGRESS("ingress|")"parent CLASSID]\n"
+/* //usage: "[estimator INTERVAL TIME_CONSTANT]\n" */
+//usage: " [[QDISC_KIND] [help|OPTIONS]]\n"
+//usage: " QDISC_KIND := [p|b]fifo|tbf|prio|cbq|red|etc.\n"
+//usage: "qdisc show [dev STRING]"IF_FEATURE_TC_INGRESS(" [ingress]")"\n"
+//usage: "class [classid CLASSID] [root|parent CLASSID]\n"
+//usage: " [[QDISC_KIND] [help|OPTIONS] ]\n"
+//usage: "class show [ dev STRING ] [root|parent CLASSID]\n"
+//usage: "filter [pref PRIO] [protocol PROTO]\n"
+/* //usage: "\t[estimator INTERVAL TIME_CONSTANT]\n" */
+//usage: " [root|classid CLASSID] [handle FILTERID]\n"
+//usage: " [[FILTER_TYPE] [help|OPTIONS]]\n"
+//usage: "filter show [dev STRING] [root|parent CLASSID]"
#include "libbb.h"
+#include "common_bufsiz.h"
#include "libiproute/utils.h"
#include "libiproute/ip_common.h"
#include "libiproute/rt_names.h"
#include <linux/pkt_sched.h> /* for the TC_H_* macros */
+/* This is the deprecated multiqueue interface */
+#ifndef TCA_PRIO_MAX
+enum
+{
+ TCA_PRIO_UNSPEC,
+ TCA_PRIO_MQ,
+ __TCA_PRIO_MAX
+};
+#define TCA_PRIO_MAX (__TCA_PRIO_MAX - 1)
+#endif
+
#define parse_rtattr_nested(tb, max, rta) \
(parse_rtattr((tb), (max), RTA_DATA(rta), RTA_PAYLOAD(rta)))
/* nullifies tb on error */
#define __parse_rtattr_nested_compat(tb, max, rta, len) \
- ({if ((RTA_PAYLOAD(rta) >= len) && \
- (RTA_PAYLOAD(rta) >= RTA_ALIGN(len) + sizeof(struct rtattr))) { \
- rta = RTA_DATA(rta) + RTA_ALIGN(len); \
- parse_rtattr_nested(tb, max, rta); \
- } else \
- memset(tb, 0, sizeof(struct rtattr *) * (max + 1)); \
- })
+({ \
+ if ((RTA_PAYLOAD(rta) >= len) \
+ && (RTA_PAYLOAD(rta) >= RTA_ALIGN(len) + sizeof(struct rtattr)) \
+ ) { \
+ rta = RTA_DATA(rta) + RTA_ALIGN(len); \
+ parse_rtattr_nested(tb, max, rta); \
+ } else \
+ memset(tb, 0, sizeof(struct rtattr *) * (max + 1)); \
+})
#define parse_rtattr_nested_compat(tb, max, rta, data, len) \
- ({data = RTA_PAYLOAD(rta) >= len ? RTA_DATA(rta) : NULL; \
- __parse_rtattr_nested_compat(tb, max, rta, len); })
+({ \
+ data = RTA_PAYLOAD(rta) >= len ? RTA_DATA(rta) : NULL; \
+ __parse_rtattr_nested_compat(tb, max, rta, len); \
+})
#define show_details (0) /* not implemented. Does anyone need it? */
#define use_iec (0) /* not currently documented in the upstream manpage */
uint32_t filter_prio;
uint32_t filter_proto;
} FIX_ALIASING;
-#define G (*(struct globals*)&bb_common_bufsiz1)
+#define G (*(struct globals*)bb_common_bufsiz1)
#define filter_ifindex (G.filter_ifindex)
#define filter_qdisc (G.filter_qdisc)
#define filter_parent (G.filter_parent)
#define filter_prio (G.filter_prio)
#define filter_proto (G.filter_proto)
#define INIT_G() do { \
+ setup_common_bufsiz(); \
BUILD_BUG_ON(sizeof(G) > COMMON_BUFSIZE); \
} while (0)
char *p;
maj = TC_H_UNSPEC;
- if (!strcmp(str, "none"))
+ if (strcmp(str, "none") == 0)
goto ok;
maj = strtoul(str, &p, 16);
if (p == str)
char *p;
maj = TC_H_ROOT;
- if (!strcmp(str, "root"))
+ if (strcmp(str, "root") == 0)
goto ok;
maj = TC_H_UNSPEC;
- if (!strcmp(str, "none"))
+ if (strcmp(str, "none") == 0)
goto ok;
maj = strtoul(str, &p, 16);
if (p == str) {
}
}
+#if 0
/* This is "pfifo_fast". */
static int prio_parse_opt(int argc, char **argv, struct nlmsghdr *n)
{
return 0;
}
+#endif
static int prio_print_opt(struct rtattr *opt)
{
int i;
return 0;
}
+#if 0
/* Class Based Queue */
static int cbq_parse_opt(int argc, char **argv, struct nlmsghdr *n)
{
return 0;
}
+#endif
static int cbq_print_opt(struct rtattr *opt)
{
struct rtattr *tb[TCA_CBQ_MAX+1];
return 0;
}
-static int print_qdisc(const struct sockaddr_nl *who UNUSED_PARAM,
- struct nlmsghdr *hdr, void *arg UNUSED_PARAM)
+static FAST_FUNC int print_qdisc(
+ const struct sockaddr_nl *who UNUSED_PARAM,
+ struct nlmsghdr *hdr,
+ void *arg UNUSED_PARAM)
{
struct tcmsg *msg = NLMSG_DATA(hdr);
int len = hdr->nlmsg_len;
return 0;
}
-static int print_class(const struct sockaddr_nl *who UNUSED_PARAM,
- struct nlmsghdr *hdr, void *arg UNUSED_PARAM)
+static FAST_FUNC int print_class(
+ const struct sockaddr_nl *who UNUSED_PARAM,
+ struct nlmsghdr *hdr,
+ void *arg UNUSED_PARAM)
{
struct tcmsg *msg = NLMSG_DATA(hdr);
int len = hdr->nlmsg_len;
return 0;
}
-static int print_filter(const struct sockaddr_nl *who UNUSED_PARAM,
- struct nlmsghdr *hdr, void *arg UNUSED_PARAM)
+static FAST_FUNC int print_filter(
+ const struct sockaddr_nl *who UNUSED_PARAM,
+ struct nlmsghdr *hdr UNUSED_PARAM,
+ void *arg UNUSED_PARAM)
{
return 0;
}
"replace\0"
"show\0""list\0"
;
+ enum {
+ CMD_add = 0, CMD_del, CMD_change,
+ CMD_link,
+ CMD_replace,
+ CMD_show
+ };
static const char args[] ALIGN1 =
"dev\0" /* qdisc, class, filter */
"root\0" /* class, filter */
"classid\0" /* change: for class use "handle" */
"preference\0""priority\0""protocol\0" /* filter */
;
- enum { CMD_add = 0, CMD_del, CMD_change, CMD_link, CMD_replace, CMD_show };
- enum { ARG_dev = 0, ARG_root, ARG_parent, ARG_qdisc,
- ARG_handle, ARG_classid, ARG_pref, ARG_prio, ARG_proto};
+ enum {
+ ARG_dev = 0,
+ ARG_root,
+ ARG_parent,
+ ARG_qdisc,
+ ARG_handle,
+ ARG_classid,
+ ARG_pref, ARG_prio, ARG_proto
+ };
struct rtnl_handle rth;
struct tcmsg msg;
int ret, obj, cmd, arg;
obj = index_in_substrings(objects, *argv++);
- if (obj < OBJ_qdisc)
+ if (obj < 0)
bb_show_usage();
if (!*argv)
cmd = CMD_show; /* list is the default */
else {
cmd = index_in_substrings(commands, *argv);
if (cmd < 0)
- bb_error_msg_and_die(bb_msg_invalid_arg, *argv, applet_name);
+ invarg_1_to_2(*argv, argv[-1]);
argv++;
}
+
memset(&msg, 0, sizeof(msg));
- msg.tcm_family = AF_UNSPEC;
+ if (AF_UNSPEC != 0)
+ msg.tcm_family = AF_UNSPEC;
ll_init_map(&rth);
+
while (*argv) {
arg = index_in_substrings(args, *argv);
if (arg == ARG_dev) {
NEXT_ARG();
/* We don't care about duparg2("qdisc handle",*argv) for now */
if (get_qdisc_handle(&filter_qdisc, *argv))
- invarg(*argv, "qdisc");
+ invarg_1_to_2(*argv, "qdisc");
} else
if (obj != OBJ_qdisc
&& (arg == ARG_root
) {
/* nothing */
} else {
- invarg(*argv, "command");
+ invarg_1_to_2(*argv, "command");
}
NEXT_ARG();
if (arg == ARG_root) {
msg.tcm_parent = TC_H_ROOT;
if (obj == OBJ_filter)
filter_parent = TC_H_ROOT;
- } else if (arg == ARG_parent) {
+ } else
+ if (arg == ARG_parent) {
uint32_t handle;
if (msg.tcm_parent)
duparg(*argv, "parent");
if (get_tc_classid(&handle, *argv))
- invarg(*argv, "parent");
+ invarg_1_to_2(*argv, "parent");
msg.tcm_parent = handle;
if (obj == OBJ_filter)
filter_parent = handle;
- } else if (arg == ARG_handle) { /* filter::list */
+ } else
+ if (arg == ARG_handle) { /* filter::list */
if (msg.tcm_handle)
duparg(*argv, "handle");
/* reject LONG_MIN || LONG_MAX */
/* TODO: for fw
slash = strchr(handle, '/');
if (slash != NULL)
- *slash = '\0';
+ *slash = '\0';
*/
msg.tcm_handle = get_u32(*argv, "handle");
/* if (slash) {if (get_u32(uint32_t &mask, slash+1, NULL)) inv mask; addattr32(n, MAX_MSG, TCA_FW_MASK, mask); */
- } else if (arg == ARG_classid && obj == OBJ_class && cmd == CMD_change){
- } else if (arg == ARG_pref || arg == ARG_prio) { /* filter::list */
+ } else
+ if (arg == ARG_classid
+ && obj == OBJ_class
+ && cmd == CMD_change
+ ) {
+ /* TODO */
+ } else
+ if (arg == ARG_pref || arg == ARG_prio) { /* filter::list */
if (filter_prio)
duparg(*argv, "priority");
filter_prio = get_u32(*argv, "priority");
- } else if (arg == ARG_proto) { /* filter::list */
+ } else
+ if (arg == ARG_proto) { /* filter::list */
uint16_t tmp;
if (filter_proto)
duparg(*argv, "protocol");
if (ll_proto_a2n(&tmp, *argv))
- invarg(*argv, "protocol");
+ invarg_1_to_2(*argv, "protocol");
filter_proto = tmp;
}
}
+
if (cmd >= CMD_show) { /* show or list */
if (obj == OBJ_filter)
msg.tcm_info = TC_H_MAKE(filter_prio<<16, filter_proto);
projects / oweals / busybox.git / blobdiff