- add WIP stub for tc.
Printing worked at some point. Modify/Delete needs some refacturing.
This commit is contained in:
Bernhard Reutner-Fischer
parent
161931efa5
commit
0901c51518
@ -355,6 +355,7 @@ USE_TAC(APPLET_NOEXEC(tac, tac, _BB_DIR_USR_BIN, _BB_SUID_NEVER, tac))
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USE_TAIL(APPLET(tail, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
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USE_TAR(APPLET(tar, _BB_DIR_BIN, _BB_SUID_NEVER))
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USE_TASKSET(APPLET(taskset, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
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USE_TC(APPLET(tc, _BB_DIR_SBIN, _BB_SUID_NEVER))
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USE_TCPSVD(APPLET_ODDNAME(tcpsvd, tcpudpsvd, _BB_DIR_USR_BIN, _BB_SUID_NEVER, tcpsvd))
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USE_TEE(APPLET(tee, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
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USE_TELNET(APPLET(telnet, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
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@ -4111,6 +4111,26 @@
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"$ echo $?\n" \
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"1\n"
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#define tc_trivial_usage \
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/*"[OPTIONS] "*/"OBJECT CMD [dev STRING]"
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#define tc_full_usage "\n\n" \
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"OBJECT: {qdisc|class|filter}\n" \
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"CMD: {add|del|change|replace|show}\n" \
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"\n" \
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"qdisc [ handle QHANDLE ] [ root |"USE_FEATURE_TC_INGRESS(" ingress |")" parent CLASSID ]\n" \
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/* "\t[ estimator INTERVAL TIME_CONSTANT ]\n" */ \
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"\t[ [ QDISC_KIND ] [ help | OPTIONS ] ]\n" \
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"\tQDISC_KIND := { [p|b]fifo | tbf | prio | cbq | red | etc. }\n" \
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"qdisc show [ dev STRING ]"USE_FEATURE_TC_INGRESS(" [ingress]")"\n" \
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"class [ classid CLASSID ] [ root | parent CLASSID ]\n" \
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"\t[ [ QDISC_KIND ] [ help | OPTIONS ] ]\n" \
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"class show [ dev STRING ] [ root | parent CLASSID ]\n" \
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"filter [ pref PRIO ] [ protocol PROTO ]\n" \
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/* "\t[ estimator INTERVAL TIME_CONSTANT ]\n" */ \
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"\t[ root | classid CLASSID ] [ handle FILTERID ]\n" \
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"\t[ [ FILTER_TYPE ] [ help | OPTIONS ] ]\n" \
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"filter show [ dev STRING ] [ root | parent CLASSID ]"
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#define tcpsvd_trivial_usage \
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"[-hEv] [-c n] [-C n:msg] [-b n] [-u user] [-l name] ip port prog..."
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/* with not-implemented options: */
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@ -700,6 +700,16 @@ config SLATTACH
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slattach is a small utility to attach network interfaces to serial
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lines.
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#config TC
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# bool "tc"
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# default n
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# help
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# show / manipulate traffic control settings
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#
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#config FEATURE_TC_INGRESS
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# def_bool n
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# depends on TC
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config TELNET
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bool "telnet"
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default n
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@ -32,6 +32,7 @@ lib-$(CONFIG_PSCAN) += pscan.o
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lib-$(CONFIG_ROUTE) += route.o
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lib-$(CONFIG_SENDMAIL) += sendmail.o
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lib-$(CONFIG_SLATTACH) += slattach.o
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lib-$(CONFIG_TC) += tc.o
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lib-$(CONFIG_TELNET) += telnet.o
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lib-$(CONFIG_TELNETD) += telnetd.o
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lib-$(CONFIG_TFTP) += tftp.o
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@ -20,7 +20,7 @@
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#include <linux/if_ether.h>
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#endif
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#ifdef UNUSED
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#warning de-bloat
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/* Before re-enabling this, please (1) conditionalize exotic protocols
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* on CONFIG_something, and (2) decouple strings and numbers
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* (use llproto_ids[] = n,n,n..; and llproto_names[] = "loop\0" "pup\0" ...;)
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@ -123,4 +123,3 @@ int ll_proto_a2n(unsigned short *id, char *buf)
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return 0;
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}
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#endif /* UNUSED */
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@ -24,10 +24,9 @@ extern const char* ll_addr_n2a(unsigned char *addr, int alen, int type,
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char *buf, int blen);
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extern int ll_addr_a2n(unsigned char *lladdr, int len, char *arg);
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#ifdef UNUSED
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extern const char* ll_proto_n2a(unsigned short id, char *buf, int len);
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extern int ll_proto_a2n(unsigned short *id, char *buf);
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#endif
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#if __GNUC_PREREQ(4,1)
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# pragma GCC visibility pop
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545
networking/tc.c
Normal file
545
networking/tc.c
Normal file
@ -0,0 +1,545 @@
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/* vi: set sw=4 ts=4: */
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/*
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* tc.c "tc" utility frontend.
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*
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* Licensed under the GPL v2 or later, see the file LICENSE in this tarball.
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*
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* Authors: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>
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*
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* Bernhard Fischer adjusted for busybox
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*/
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#include "libbb.h"
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#include "libiproute/utils.h"
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#include "libiproute/ip_common.h"
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#include "libiproute/rt_names.h"
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#include <linux/pkt_sched.h> /* for the TC_H_* macros */
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#define parse_rtattr_nested(tb, max, rta) \
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(parse_rtattr((tb), (max), RTA_DATA(rta), RTA_PAYLOAD(rta)))
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/* nullifies tb on error */
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#define __parse_rtattr_nested_compat(tb, max, rta, len) \
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({if ((RTA_PAYLOAD(rta) >= len) && \
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(RTA_PAYLOAD(rta) >= RTA_ALIGN(len) + sizeof(struct rtattr))) { \
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rta = RTA_DATA(rta) + RTA_ALIGN(len); \
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parse_rtattr_nested(tb, max, rta); \
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} else \
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memset(tb, 0, sizeof(struct rtattr *) * (max + 1)); \
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})
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#define parse_rtattr_nested_compat(tb, max, rta, data, len) \
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({data = RTA_PAYLOAD(rta) >= len ? RTA_DATA(rta) : NULL; \
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__parse_rtattr_nested_compat(tb, max, rta, len); })
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#define show_details (0) /* not implemented. Does anyone need it? */
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#define use_iec (0) /* not currently documented in the upstream manpage */
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struct globals {
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int filter_ifindex;
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__u32 filter_qdisc;
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__u32 filter_parent;
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__u32 filter_prio;
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__u32 filter_proto;
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};
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#define G (*(struct globals*)&bb_common_bufsiz1)
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#define filter_ifindex (G.filter_ifindex)
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#define filter_qdisc (G.filter_qdisc)
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#define filter_parent (G.filter_parent)
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#define filter_prio (G.filter_prio)
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#define filter_proto (G.filter_proto)
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void BUG_tc_globals_too_big(void);
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#define INIT_G() do { \
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if (sizeof(G) > COMMON_BUFSIZE) \
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BUG_tc_globals_too_big(); \
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} while (0)
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/* Allocates a buffer containing the name of a class id.
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* The caller must free the returned memory. */
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static char* print_tc_classid(uint32_t cid)
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{
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#if 0 /* IMPOSSIBLE */
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if (cid == TC_H_ROOT)
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return xasprintf("root");
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else
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#endif
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if (cid == TC_H_UNSPEC)
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return xasprintf("none");
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else if (TC_H_MAJ(cid) == 0)
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return xasprintf(":%x", TC_H_MIN(cid));
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else if (TC_H_MIN(cid) == 0)
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return xasprintf("%x:", TC_H_MAJ(cid)>>16);
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else
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return xasprintf("%x:%x", TC_H_MAJ(cid)>>16, TC_H_MIN(cid));
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}
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/* Get a qdisc handle. Return 0 on success, !0 otherwise. */
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static int get_qdisc_handle(__u32 *h, const char *str) {
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__u32 maj;
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char *p;
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maj = TC_H_UNSPEC;
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if (!strcmp(str, "none"))
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goto ok;
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maj = strtoul(str, &p, 16);
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if (p == str)
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return 1;
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maj <<= 16;
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if (*p != ':' && *p!=0)
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return 1;
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ok:
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*h = maj;
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return 0;
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}
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/* Get class ID. Return 0 on success, !0 otherwise. */
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static int get_tc_classid(__u32 *h, const char *str) {
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__u32 maj, min;
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char *p;
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maj = TC_H_ROOT;
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if (!strcmp(str, "root"))
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goto ok;
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maj = TC_H_UNSPEC;
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if (!strcmp(str, "none"))
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goto ok;
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maj = strtoul(str, &p, 16);
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if (p == str) {
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if (*p != ':')
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return 1;
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maj = 0;
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}
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if (*p == ':') {
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if (maj >= (1<<16))
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return 1;
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maj <<= 16;
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str = p + 1;
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min = strtoul(str, &p, 16);
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if (*p != 0 || min >= (1<<16))
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return 1;
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maj |= min;
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} else if (*p != 0)
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return 1;
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ok:
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*h = maj;
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return 0;
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}
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static void print_rate(char *buf, int len, uint32_t rate)
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{
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double tmp = (double)rate*8;
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if (use_iec) {
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if (tmp >= 1000.0*1024.0*1024.0)
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snprintf(buf, len, "%.0fMibit", tmp/1024.0*1024.0);
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else if (tmp >= 1000.0*1024)
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snprintf(buf, len, "%.0fKibit", tmp/1024);
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else
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snprintf(buf, len, "%.0fbit", tmp);
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} else {
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if (tmp >= 1000.0*1000000.0)
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snprintf(buf, len, "%.0fMbit", tmp/1000000.0);
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else if (tmp >= 1000.0 * 1000.0)
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snprintf(buf, len, "%.0fKbit", tmp/1000.0);
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else
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snprintf(buf, len, "%.0fbit", tmp);
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}
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}
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/* This is "pfifo_fast". */
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static int prio_parse_opt(int argc, char **argv, struct nlmsghdr *n)
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{
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return 0;
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}
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static int prio_print_opt(struct rtattr *opt)
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{
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int i;
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struct tc_prio_qopt *qopt;
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struct rtattr *tb[TCA_PRIO_MAX+1];
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if (opt == NULL)
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return 0;
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parse_rtattr_nested_compat(tb, TCA_PRIO_MAX, opt, qopt, sizeof(*qopt));
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if (tb == NULL)
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return 0;
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printf("bands %u priomap ", qopt->bands);
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for (i=0; i<=TC_PRIO_MAX; i++)
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printf(" %d", qopt->priomap[i]);
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if (tb[TCA_PRIO_MQ])
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printf(" multiqueue: o%s ",
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*(unsigned char *)RTA_DATA(tb[TCA_PRIO_MQ]) ? "n" : "ff");
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return 0;
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}
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/* Class Based Queue */
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static int cbq_parse_opt(int argc, char **argv, struct nlmsghdr *n)
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{
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return 0;
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}
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static int cbq_print_opt(struct rtattr *opt)
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{
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struct rtattr *tb[TCA_CBQ_MAX+1];
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struct tc_ratespec *r = NULL;
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struct tc_cbq_lssopt *lss = NULL;
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struct tc_cbq_wrropt *wrr = NULL;
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struct tc_cbq_fopt *fopt = NULL;
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struct tc_cbq_ovl *ovl = NULL;
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const char * const error = "CBQ: too short %s opt";
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RESERVE_CONFIG_BUFFER(buf, 64);
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if (opt == NULL)
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goto done;
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parse_rtattr_nested(tb, TCA_CBQ_MAX, opt);
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if (tb[TCA_CBQ_RATE]) {
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if (RTA_PAYLOAD(tb[TCA_CBQ_RATE]) < sizeof(*r))
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bb_error_msg(error, "rate");
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else
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r = RTA_DATA(tb[TCA_CBQ_RATE]);
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}
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if (tb[TCA_CBQ_LSSOPT]) {
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if (RTA_PAYLOAD(tb[TCA_CBQ_LSSOPT]) < sizeof(*lss))
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bb_error_msg(error, "lss");
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else
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lss = RTA_DATA(tb[TCA_CBQ_LSSOPT]);
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}
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if (tb[TCA_CBQ_WRROPT]) {
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if (RTA_PAYLOAD(tb[TCA_CBQ_WRROPT]) < sizeof(*wrr))
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bb_error_msg(error, "wrr");
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else
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wrr = RTA_DATA(tb[TCA_CBQ_WRROPT]);
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}
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if (tb[TCA_CBQ_FOPT]) {
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if (RTA_PAYLOAD(tb[TCA_CBQ_FOPT]) < sizeof(*fopt))
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bb_error_msg(error, "fopt");
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else
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fopt = RTA_DATA(tb[TCA_CBQ_FOPT]);
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}
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if (tb[TCA_CBQ_OVL_STRATEGY]) {
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if (RTA_PAYLOAD(tb[TCA_CBQ_OVL_STRATEGY]) < sizeof(*ovl))
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bb_error_msg("CBQ: too short overlimit strategy %u/%u",
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(unsigned) RTA_PAYLOAD(tb[TCA_CBQ_OVL_STRATEGY]),
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(unsigned) sizeof(*ovl));
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else
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ovl = RTA_DATA(tb[TCA_CBQ_OVL_STRATEGY]);
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}
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if (r) {
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print_rate(buf, sizeof(buf), r->rate);
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printf("rate %s ", buf);
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if (show_details) {
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printf("cell %ub ", 1<<r->cell_log);
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if (r->mpu)
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printf("mpu %ub ", r->mpu);
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if (r->overhead)
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printf("overhead %ub ", r->overhead);
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}
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}
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if (lss && lss->flags) {
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bool comma = false;
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bb_putchar('(');
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if (lss->flags&TCF_CBQ_LSS_BOUNDED) {
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printf("bounded");
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comma = true;
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}
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if (lss->flags&TCF_CBQ_LSS_ISOLATED) {
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if (comma)
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bb_putchar(',');
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printf("isolated");
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}
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printf(") ");
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}
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if (wrr) {
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if (wrr->priority != TC_CBQ_MAXPRIO)
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printf("prio %u", wrr->priority);
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else
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printf("prio no-transmit");
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if (show_details) {
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printf("/%u ", wrr->cpriority);
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if (wrr->weight != 1) {
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print_rate(buf, sizeof(buf), wrr->weight);
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printf("weight %s ", buf);
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}
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if (wrr->allot)
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printf("allot %ub ", wrr->allot);
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}
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}
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done:
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RELEASE_CONFIG_BUFFER(buf);
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return 0;
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}
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static int print_qdisc(const struct sockaddr_nl *who UNUSED_PARAM,
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struct nlmsghdr *hdr, void *arg UNUSED_PARAM)
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{
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struct tcmsg *msg = NLMSG_DATA(hdr);
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int len = hdr->nlmsg_len;
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struct rtattr * tb[TCA_MAX+1];
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char *name;
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if (hdr->nlmsg_type != RTM_NEWQDISC && hdr->nlmsg_type != RTM_DELQDISC) {
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/* bb_error_msg("Not a qdisc"); */
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return 0; /* ??? mimic upstream; should perhaps return -1 */
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}
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len -= NLMSG_LENGTH(sizeof(*msg));
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if (len < 0) {
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/* bb_error_msg("Wrong len %d", len); */
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return -1;
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}
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/* not the desired interface? */
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if (filter_ifindex && filter_ifindex != msg->tcm_ifindex)
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return 0;
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memset (tb, 0, sizeof(tb));
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parse_rtattr(tb, TCA_MAX, TCA_RTA(msg), len);
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if (tb[TCA_KIND] == NULL) {
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/* bb_error_msg("%s: NULL kind", "qdisc"); */
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return -1;
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}
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if (hdr->nlmsg_type == RTM_DELQDISC)
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printf("deleted ");
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name = (char*)RTA_DATA(tb[TCA_KIND]);
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printf("qdisc %s %x: ", name, msg->tcm_handle>>16);
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if (filter_ifindex == 0)
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printf("dev %s ", ll_index_to_name(msg->tcm_ifindex));
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if (msg->tcm_parent == TC_H_ROOT)
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printf("root ");
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else if (msg->tcm_parent) {
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char *classid = print_tc_classid(msg->tcm_parent);
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printf("parent %s ", classid);
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if (ENABLE_FEATURE_CLEAN_UP)
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free(classid);
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}
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if (msg->tcm_info != 1)
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printf("refcnt %d ", msg->tcm_info);
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if (tb[TCA_OPTIONS]) {
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static const char _q_[] ALIGN1 = "pfifo_fast\0""cbq\0";
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int qqq = index_in_strings(_q_, name);
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if (qqq == 0) { /* pfifo_fast aka prio */
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prio_print_opt(tb[TCA_OPTIONS]);
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} else if (qqq == 1) { /* class based queueing */
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cbq_print_opt(tb[TCA_OPTIONS]);
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} else
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bb_error_msg("unknown %s", name);
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}
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bb_putchar('\n');
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return 0;
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}
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|
||||
static 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;
|
||||
struct rtattr * tb[TCA_MAX+1];
|
||||
char *name, *classid;
|
||||
|
||||
/*XXX Eventually factor out common code */
|
||||
|
||||
if (hdr->nlmsg_type != RTM_NEWTCLASS && hdr->nlmsg_type != RTM_DELTCLASS) {
|
||||
/* bb_error_msg("Not a class"); */
|
||||
return 0; /* ??? mimic upstream; should perhaps return -1 */
|
||||
}
|
||||
len -= NLMSG_LENGTH(sizeof(*msg));
|
||||
if (len < 0) {
|
||||
/* bb_error_msg("Wrong len %d", len); */
|
||||
return -1;
|
||||
}
|
||||
/* not the desired interface? */
|
||||
if (filter_qdisc && TC_H_MAJ(msg->tcm_handle^filter_qdisc))
|
||||
return 0;
|
||||
memset (tb, 0, sizeof(tb));
|
||||
parse_rtattr(tb, TCA_MAX, TCA_RTA(msg), len);
|
||||
if (tb[TCA_KIND] == NULL) {
|
||||
/* bb_error_msg("%s: NULL kind", "class"); */
|
||||
return -1;
|
||||
}
|
||||
if (hdr->nlmsg_type == RTM_DELTCLASS)
|
||||
printf("deleted ");
|
||||
|
||||
name = (char*)RTA_DATA(tb[TCA_KIND]);
|
||||
classid = !msg->tcm_handle ? NULL : print_tc_classid(
|
||||
filter_qdisc ? TC_H_MIN(msg->tcm_parent) : msg->tcm_parent);
|
||||
printf ("class %s %s", name, classid);
|
||||
if (ENABLE_FEATURE_CLEAN_UP)
|
||||
free(classid);
|
||||
|
||||
if (filter_ifindex == 0)
|
||||
printf("dev %s ", ll_index_to_name(msg->tcm_ifindex));
|
||||
if (msg->tcm_parent == TC_H_ROOT)
|
||||
printf("root ");
|
||||
else if (msg->tcm_parent) {
|
||||
classid = print_tc_classid(filter_qdisc ?
|
||||
TC_H_MIN(msg->tcm_parent) : msg->tcm_parent);
|
||||
printf("parent %s ", classid);
|
||||
if (ENABLE_FEATURE_CLEAN_UP)
|
||||
free(classid);
|
||||
}
|
||||
if (msg->tcm_info)
|
||||
printf("leaf %x ", msg->tcm_info >> 16);
|
||||
/* Do that get_qdisc_kind(RTA_DATA(tb[TCA_KIND])). */
|
||||
if (tb[TCA_OPTIONS]) {
|
||||
static const char _q_[] ALIGN1 = "pfifo_fast\0""cbq\0";
|
||||
int qqq = index_in_strings(_q_, name);
|
||||
if (qqq == 0) { /* pfifo_fast aka prio */
|
||||
/* nothing. */ /*prio_print_opt(tb[TCA_OPTIONS]);*/
|
||||
} else if (qqq == 1) { /* class based queueing */
|
||||
/* cbq_print_copt() is identical to cbq_print_opt(). */
|
||||
cbq_print_opt(tb[TCA_OPTIONS]);
|
||||
} else
|
||||
bb_error_msg("unknown %s", name);
|
||||
}
|
||||
bb_putchar('\n');
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int print_filter(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;
|
||||
struct rtattr * tb[TCA_MAX+1];
|
||||
return 0;
|
||||
}
|
||||
|
||||
int tc_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
|
||||
int tc_main(int argc UNUSED_PARAM, char **argv)
|
||||
{
|
||||
static const char objects[] ALIGN1 =
|
||||
"qdisc\0""class\0""filter\0"
|
||||
;
|
||||
enum { OBJ_qdisc = 0, OBJ_class, OBJ_filter };
|
||||
static const char commands[] ALIGN1 =
|
||||
"add\0""delete\0""change\0"
|
||||
"link\0" /* only qdisc */
|
||||
"replace\0"
|
||||
"show\0""list\0"
|
||||
;
|
||||
static const char args[] ALIGN1 =
|
||||
"dev\0" /* qdisc, class, filter */
|
||||
"root\0" /* class, filter */
|
||||
"parent\0" /* class, filter */
|
||||
"qdisc\0" /* class */
|
||||
"handle\0" /* change: qdisc, class(classid) list: 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};
|
||||
struct rtnl_handle rth;
|
||||
struct tcmsg msg;
|
||||
int ret, obj, cmd, arg;
|
||||
char *dev = NULL;
|
||||
|
||||
INIT_G();
|
||||
|
||||
if (!*++argv)
|
||||
bb_show_usage();
|
||||
xrtnl_open(&rth);
|
||||
ret = EXIT_SUCCESS;
|
||||
|
||||
obj = index_in_substrings(objects, *argv++);
|
||||
|
||||
if (obj < OBJ_qdisc)
|
||||
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);
|
||||
argv++;
|
||||
}
|
||||
memset(&msg, 0, sizeof(msg));
|
||||
msg.tcm_family = AF_UNSPEC;
|
||||
ll_init_map(&rth);
|
||||
while (*argv) {
|
||||
arg = index_in_substrings(args, *argv);
|
||||
if (arg == ARG_dev) {
|
||||
NEXT_ARG();
|
||||
if (dev)
|
||||
duparg2("dev", *argv);
|
||||
dev = *argv++;
|
||||
msg.tcm_ifindex = xll_name_to_index(dev);
|
||||
if (cmd >= CMD_show)
|
||||
filter_ifindex = msg.tcm_ifindex;
|
||||
} else if ((arg == ARG_qdisc && obj == OBJ_class && cmd >= CMD_show)
|
||||
|| (arg == ARG_handle && obj == OBJ_qdisc
|
||||
&& cmd == CMD_change)) {
|
||||
NEXT_ARG();
|
||||
/* We don't care about duparg2("qdisc handle",*argv) for now */
|
||||
if (get_qdisc_handle(&filter_qdisc, *argv))
|
||||
invarg(*argv, "qdisc");
|
||||
} else if (obj != OBJ_qdisc &&
|
||||
(arg == ARG_root
|
||||
|| arg == ARG_parent
|
||||
|| (obj == OBJ_filter && arg >= ARG_pref))) {
|
||||
} else {
|
||||
invarg(*argv, "command");
|
||||
}
|
||||
NEXT_ARG();
|
||||
if (arg == ARG_root) {
|
||||
if (msg.tcm_parent)
|
||||
duparg("parent", *argv);
|
||||
msg.tcm_parent = TC_H_ROOT;
|
||||
if (obj == OBJ_filter)
|
||||
filter_parent = TC_H_ROOT;
|
||||
} else if (arg == ARG_parent) {
|
||||
__u32 handle;
|
||||
if (msg.tcm_parent)
|
||||
duparg(*argv, "parent");
|
||||
if (get_tc_classid(&handle, *argv))
|
||||
invarg(*argv, "parent");
|
||||
msg.tcm_parent = handle;
|
||||
if (obj == OBJ_filter)
|
||||
filter_parent = handle;
|
||||
} else if (arg == ARG_handle) { /* filter::list */
|
||||
if (msg.tcm_handle)
|
||||
duparg(*argv, "handle");
|
||||
/* reject LONG_MIN || LONG_MAX */
|
||||
/* TODO: for fw
|
||||
if ((slash = strchr(handle, '/')) != NULL)
|
||||
*slash = '\0';
|
||||
*/
|
||||
if (get_u32(&msg.tcm_handle, *argv, 0))
|
||||
invarg(*argv, "handle");
|
||||
/* if (slash) {if (get_u32(__u32 &mask, slash+1,0)) 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 */
|
||||
if (filter_prio)
|
||||
duparg(*argv, "priority");
|
||||
if (get_u32(&filter_prio, *argv, 0))
|
||||
invarg(*argv, "priority");
|
||||
} else if (arg == ARG_proto) { /* filter::list */
|
||||
__u16 tmp;
|
||||
if (filter_proto)
|
||||
duparg(*argv, "protocol");
|
||||
if (ll_proto_a2n(&tmp, *argv))
|
||||
invarg(*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);
|
||||
if (rtnl_dump_request(&rth, obj == OBJ_qdisc ? RTM_GETQDISC :
|
||||
obj == OBJ_class ? RTM_GETTCLASS : RTM_GETTFILTER,
|
||||
&msg, sizeof(msg)) < 0)
|
||||
bb_simple_perror_msg_and_die("cannot send dump request");
|
||||
|
||||
xrtnl_dump_filter(&rth, obj == OBJ_qdisc ? print_qdisc :
|
||||
obj == OBJ_class ? print_class : print_filter,
|
||||
NULL);
|
||||
}
|
||||
if (ENABLE_FEATURE_CLEAN_UP) {
|
||||
rtnl_close(&rth);
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user