iproute: update help text, add commented-out code for unsupported options
function old new delta packed_usage 31327 31372 +45 do_iproute 132 157 +25 iproute_modify 1162 1164 +2 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 3/0 up/down: 72/0) Total: 72 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
parent
2d4823b65b
commit
1140bf39ab
@ -162,11 +162,42 @@
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//usage: "list|flush|add|del|change|append|replace|test ROUTE"
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//usage:#define iproute_full_usage "\n\n"
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//usage: "iproute list|flush SELECTOR\n"
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//usage: "iproute get ADDRESS [from ADDRESS iif STRING]\n"
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//usage: " [oif STRING] [tos TOS]\n"
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//usage: "iproute add|del|change|append|replace|test ROUTE\n"
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//usage: " SELECTOR := [root PREFIX] [match PREFIX] [proto RTPROTO]\n"
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//usage: " ROUTE := [TYPE] PREFIX [tos TOS] [proto RTPROTO] [metric METRIC]"
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//usage: " PREFIX := default|ADDRESS/MASK\n"
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//usage: "iproute get ADDRESS [from ADDRESS iif IFACE]\n"
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//usage: " [oif IFACE] [tos TOS]\n"
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//usage: "iproute add|del|change|append|replace|test ROUTE\n"
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//usage: " ROUTE := NODE_SPEC [INFO_SPEC]\n"
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//usage: " NODE_SPEC := PREFIX"IF_FEATURE_IP_RULE(" [table TABLE_ID]")" [proto RTPROTO] [scope SCOPE] [metric METRIC]\n"
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//usage: " INFO_SPEC := NH OPTIONS\n"
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//usage: " NH := [via [inet|inet6] ADDRESS] [dev IFACE] [src ADDRESS] [onlink]\n"
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//usage: " OPTIONS := [mtu NUM]"
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//upstream man ip-route:
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//======================
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//ip route { show | flush } SELECTOR
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//ip route save SELECTOR
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//ip route restore
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//ip route get ADDRESS [ from ADDRESS iif STRING ] [ oif STRING ] [ tos TOS ]
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//ip route { add | del | change | append | replace } ROUTE
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//SELECTOR := [ root PREFIX ] [ match PREFIX ] [ exact PREFIX ] [ table TABLE_ID ] [ proto RTPROTO ] [ type TYPE ] [ scope SCOPE ]
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//ROUTE := NODE_SPEC [ INFO_SPEC ]
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//NODE_SPEC := [ TYPE ] PREFIX [ tos TOS ] [ table TABLE_ID ] [ proto RTPROTO ] [ scope SCOPE ] [ metric METRIC ]
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//INFO_SPEC := NH OPTIONS FLAGS [ nexthop NH ] ...
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//NH := [ encap ENCAP ] [ via [ FAMILY ] ADDRESS ] [ dev STRING ] [ weight NUMBER ] NHFLAGS
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// ..............................................................^ I guess [src ADDRESS] should be here
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//FAMILY := [ inet | inet6 | ipx | dnet | mpls | bridge | link ]
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//OPTIONS := FLAGS [ mtu NUMBER ] [ advmss NUMBER ] [ as [ to ] ADDRESS ] rtt TIME ] [ rttvar TIME ] [ reordering NUMBER ] [ window NUMBER ] [ cwnd NUMBER ] [ ssthresh REALM ] [ realms REALM ]
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// [ rto_min TIME ] [ initcwnd NUMBER ] [ initrwnd NUMBER ] [ features FEATURES ] [ quickack BOOL ] [ congctl NAME ] [ pref PREF ] [ expires TIME ]
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//TYPE := [ unicast | local | broadcast | multicast | throw | unreachable | prohibit | blackhole | nat ]
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//TABLE_ID := [ local | main | default | all | NUMBER ]
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//SCOPE := [ host | link | global | NUMBER ]
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//NHFLAGS := [ onlink | pervasive ]
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//RTPROTO := [ kernel | boot | static | NUMBER ]
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//FEATURES := [ ecn | ]
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//PREF := [ low | medium | high ]
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//ENCAP := [ MPLS | IP ]
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//ENCAP_MPLS := mpls [ LABEL ]
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//ENCAP_IP := ip id TUNNEL_ID dst REMOTE_IP [ tos TOS ] [ ttl TTL ]
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//usage:
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//usage:#define iprule_trivial_usage
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//usage: "[list] | add|del SELECTOR ACTION"
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@ -325,13 +325,14 @@ static int FAST_FUNC print_route(const struct sockaddr_nl *who UNUSED_PARAM,
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/* Return value becomes exitcode. It's okay to not return at all */
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static int iproute_modify(int cmd, unsigned flags, char **argv)
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{
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/* If you add stuff here, update iproute_full_usage */
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static const char keywords[] ALIGN1 =
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"src\0""via\0""mtu\0""lock\0""scope\0""protocol\0"IF_FEATURE_IP_RULE("table\0")
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"src\0""via\0""mtu\0""scope\0""protocol\0"IF_FEATURE_IP_RULE("table\0")
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"dev\0""oif\0""to\0""metric\0""onlink\0";
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enum {
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ARG_src,
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ARG_via,
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ARG_mtu, PARM_lock,
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ARG_mtu,
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ARG_scope,
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ARG_protocol,
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IF_FEATURE_IP_RULE(ARG_table,)
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@ -404,7 +405,7 @@ IF_FEATURE_IP_RULE(ARG_table,)
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} else if (arg == ARG_mtu) {
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unsigned mtu;
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NEXT_ARG();
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if (index_in_strings(keywords, *argv) == PARM_lock) {
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if (strcmp(*argv, "lock") == 0) {
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mxlock |= (1 << RTAX_MTU);
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NEXT_ARG();
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}
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@ -441,6 +442,7 @@ IF_FEATURE_IP_RULE(ARG_table,)
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NEXT_ARG();
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d = *argv;
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} else if (arg == ARG_metric) {
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//TODO: "metric", "priority" and "preference" are synonyms
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uint32_t metric;
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NEXT_ARG();
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metric = get_u32(*argv, "metric");
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@ -475,6 +477,168 @@ IF_FEATURE_IP_RULE(ARG_table,)
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addattr_l(&req.n, sizeof(req), RTA_DST, &dst.data, dst.bytelen);
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}
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}
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/* Other keywords recognized by iproute2-3.19.0: */
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#if 0
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} else if (strcmp(*argv, "from") == 0) {
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inet_prefix addr;
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NEXT_ARG();
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get_prefix(&addr, *argv, req.r.rtm_family);
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if (req.r.rtm_family == AF_UNSPEC)
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req.r.rtm_family = addr.family;
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if (addr.bytelen)
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addattr_l(&req.n, sizeof(req), RTA_SRC, &addr.data, addr.bytelen);
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req.r.rtm_src_len = addr.bitlen;
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} else if (strcmp(*argv, "tos") == 0 ||
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matches(*argv, "dsfield") == 0) {
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__u32 tos;
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NEXT_ARG();
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if (rtnl_dsfield_a2n(&tos, *argv))
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invarg("\"tos\" value is invalid\n", *argv);
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req.r.rtm_tos = tos;
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} else if (strcmp(*argv, "hoplimit") == 0) {
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unsigned hoplimit;
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NEXT_ARG();
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if (strcmp(*argv, "lock") == 0) {
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mxlock |= (1<<RTAX_HOPLIMIT);
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NEXT_ARG();
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}
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if (get_unsigned(&hoplimit, *argv, 0))
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invarg("\"hoplimit\" value is invalid\n", *argv);
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rta_addattr32(mxrta, sizeof(mxbuf), RTAX_HOPLIMIT, hoplimit);
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} else if (strcmp(*argv, "advmss") == 0) {
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unsigned mss;
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NEXT_ARG();
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if (strcmp(*argv, "lock") == 0) {
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mxlock |= (1<<RTAX_ADVMSS);
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NEXT_ARG();
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}
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if (get_unsigned(&mss, *argv, 0))
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invarg("\"mss\" value is invalid\n", *argv);
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rta_addattr32(mxrta, sizeof(mxbuf), RTAX_ADVMSS, mss);
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} else if (matches(*argv, "reordering") == 0) {
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unsigned reord;
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NEXT_ARG();
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if (strcmp(*argv, "lock") == 0) {
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mxlock |= (1<<RTAX_REORDERING);
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NEXT_ARG();
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}
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if (get_unsigned(&reord, *argv, 0))
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invarg("\"reordering\" value is invalid\n", *argv);
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rta_addattr32(mxrta, sizeof(mxbuf), RTAX_REORDERING, reord);
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} else if (strcmp(*argv, "rtt") == 0) {
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unsigned rtt;
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NEXT_ARG();
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if (strcmp(*argv, "lock") == 0) {
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mxlock |= (1<<RTAX_RTT);
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NEXT_ARG();
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}
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if (get_time_rtt(&rtt, *argv, &raw))
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invarg("\"rtt\" value is invalid\n", *argv);
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rta_addattr32(mxrta, sizeof(mxbuf), RTAX_RTT,
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(raw) ? rtt : rtt * 8);
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} else if (strcmp(*argv, "rto_min") == 0) {
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unsigned rto_min;
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NEXT_ARG();
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mxlock |= (1<<RTAX_RTO_MIN);
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if (get_time_rtt(&rto_min, *argv, &raw))
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invarg("\"rto_min\" value is invalid\n",
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*argv);
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rta_addattr32(mxrta, sizeof(mxbuf), RTAX_RTO_MIN,
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rto_min);
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} else if (matches(*argv, "window") == 0) {
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unsigned win;
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NEXT_ARG();
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if (strcmp(*argv, "lock") == 0) {
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mxlock |= (1<<RTAX_WINDOW);
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NEXT_ARG();
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}
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if (get_unsigned(&win, *argv, 0))
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invarg("\"window\" value is invalid\n", *argv);
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rta_addattr32(mxrta, sizeof(mxbuf), RTAX_WINDOW, win);
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} else if (matches(*argv, "cwnd") == 0) {
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unsigned win;
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NEXT_ARG();
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if (strcmp(*argv, "lock") == 0) {
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mxlock |= (1<<RTAX_CWND);
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NEXT_ARG();
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}
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if (get_unsigned(&win, *argv, 0))
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invarg("\"cwnd\" value is invalid\n", *argv);
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rta_addattr32(mxrta, sizeof(mxbuf), RTAX_CWND, win);
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} else if (matches(*argv, "initcwnd") == 0) {
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unsigned win;
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NEXT_ARG();
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if (strcmp(*argv, "lock") == 0) {
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mxlock |= (1<<RTAX_INITCWND);
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NEXT_ARG();
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}
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if (get_unsigned(&win, *argv, 0))
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invarg("\"initcwnd\" value is invalid\n", *argv);
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rta_addattr32(mxrta, sizeof(mxbuf), RTAX_INITCWND, win);
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} else if (matches(*argv, "initrwnd") == 0) {
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unsigned win;
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NEXT_ARG();
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if (strcmp(*argv, "lock") == 0) {
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mxlock |= (1<<RTAX_INITRWND);
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NEXT_ARG();
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}
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if (get_unsigned(&win, *argv, 0))
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invarg("\"initrwnd\" value is invalid\n", *argv);
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rta_addattr32(mxrta, sizeof(mxbuf), RTAX_INITRWND, win);
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} else if (matches(*argv, "features") == 0) {
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unsigned int features = 0;
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while (argc > 0) {
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NEXT_ARG();
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if (strcmp(*argv, "ecn") == 0)
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features |= RTAX_FEATURE_ECN;
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else
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invarg("\"features\" value not valid\n", *argv);
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break;
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}
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rta_addattr32(mxrta, sizeof(mxbuf), RTAX_FEATURES, features);
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} else if (matches(*argv, "quickack") == 0) {
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unsigned quickack;
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NEXT_ARG();
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if (get_unsigned(&quickack, *argv, 0))
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invarg("\"quickack\" value is invalid\n", *argv);
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if (quickack != 1 && quickack != 0)
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invarg("\"quickack\" value should be 0 or 1\n", *argv);
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rta_addattr32(mxrta, sizeof(mxbuf), RTAX_QUICKACK, quickack);
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} else if (matches(*argv, "rttvar") == 0) {
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unsigned win;
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NEXT_ARG();
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if (strcmp(*argv, "lock") == 0) {
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mxlock |= (1<<RTAX_RTTVAR);
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NEXT_ARG();
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}
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if (get_time_rtt(&win, *argv, &raw))
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invarg("\"rttvar\" value is invalid\n", *argv);
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rta_addattr32(mxrta, sizeof(mxbuf), RTAX_RTTVAR,
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(raw) ? win : win * 4);
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} else if (matches(*argv, "ssthresh") == 0) {
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unsigned win;
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NEXT_ARG();
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if (strcmp(*argv, "lock") == 0) {
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mxlock |= (1<<RTAX_SSTHRESH);
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NEXT_ARG();
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}
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if (get_unsigned(&win, *argv, 0))
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invarg("\"ssthresh\" value is invalid\n", *argv);
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rta_addattr32(mxrta, sizeof(mxbuf), RTAX_SSTHRESH, win);
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} else if (matches(*argv, "realms") == 0) {
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__u32 realm;
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NEXT_ARG();
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if (get_rt_realms(&realm, *argv))
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invarg("\"realm\" value is invalid\n", *argv);
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addattr32(&req.n, sizeof(req), RTA_FLOW, realm);
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} else if (strcmp(*argv, "nexthop") == 0) {
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nhs_ok = 1;
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break;
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}
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#endif
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argv++;
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}
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