diff options
author | Stephen Hemminger <stephen@networkplumber.org> | 2013-09-23 13:16:48 -0700 |
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committer | Stephen Hemminger <stephen@networkplumber.org> | 2013-09-23 13:16:48 -0700 |
commit | af60cf40c98bd8354b548787b6940d16969f966b (patch) | |
tree | e7ba702f59b6c286784a04e6a17bff76d4d79314 | |
parent | 6b2ed935ae4e6a0bafa5a314cc177470529cd629 (diff) | |
parent | bc113e46a3cd06973b37b13c06db3f5f459502f8 (diff) | |
download | iproute2-af60cf40c98bd8354b548787b6940d16969f966b.tar.gz |
Merge branch 'net-next-3.11'
-rw-r--r-- | ip/iprule.c | 34 | ||||
-rw-r--r-- | man/man8/ip-rule.8 | 17 | ||||
-rw-r--r-- | tc/Makefile | 1 | ||||
-rw-r--r-- | tc/q_fq.c | 279 |
4 files changed, 330 insertions, 1 deletions
diff --git a/ip/iprule.c b/ip/iprule.c index a5fcd432..d934f67d 100644 --- a/ip/iprule.c +++ b/ip/iprule.c @@ -39,6 +39,9 @@ static void usage(void) fprintf(stderr, " [ prohibit | reject | unreachable ]\n"); fprintf(stderr, " [ realms [SRCREALM/]DSTREALM ]\n"); fprintf(stderr, " [ goto NUMBER ]\n"); + fprintf(stderr, " SUPPRESSOR\n"); + fprintf(stderr, "SUPPRESSOR := [ suppress_prefixlength NUMBER ]\n"); + fprintf(stderr, " [ suppress_ifgroup DEVGROUP ]\n"); fprintf(stderr, "TABLE_ID := [ local | main | default | NUMBER ]\n"); exit(-1); } @@ -153,9 +156,24 @@ int print_rule(const struct sockaddr_nl *who, struct nlmsghdr *n, void *arg) } table = rtm_get_table(r, tb); - if (table) + if (table) { fprintf(fp, "lookup %s ", rtnl_rttable_n2a(table, b1, sizeof(b1))); + if (tb[FRA_SUPPRESS_PREFIXLEN]) { + int pl = rta_getattr_u32(tb[FRA_SUPPRESS_PREFIXLEN]); + if (pl != -1) { + fprintf(fp, "suppress_prefixlength %d ", pl); + } + } + if (tb[FRA_SUPPRESS_IFGROUP]) { + int group = rta_getattr_u32(tb[FRA_SUPPRESS_IFGROUP]); + if (group != -1) { + SPRINT_BUF(b1); + fprintf(fp, "suppress_ifgroup %s ", rtnl_group_n2a(group, b1, sizeof(b1))); + } + } + } + if (tb[FRA_FLOW]) { __u32 to = rta_getattr_u32(tb[FRA_FLOW]); __u32 from = to>>16; @@ -310,6 +328,20 @@ static int iprule_modify(int cmd, int argc, char **argv) addattr32(&req.n, sizeof(req), FRA_TABLE, tid); } table_ok = 1; + } else if (matches(*argv, "suppress_prefixlength") == 0 || + strcmp(*argv, "sup_pl") == 0) { + int pl; + NEXT_ARG(); + if (get_s32(&pl, *argv, 0) || pl < 0) + invarg("suppress_prefixlength value is invalid\n", *argv); + addattr32(&req.n, sizeof(req), FRA_SUPPRESS_PREFIXLEN, pl); + } else if (matches(*argv, "suppress_ifgroup") == 0 || + strcmp(*argv, "sup_group") == 0) { + NEXT_ARG(); + int group; + if (rtnl_group_a2n(&group, *argv)) + invarg("Invalid \"suppress_ifgroup\" value\n", *argv); + addattr32(&req.n, sizeof(req), FRA_SUPPRESS_IFGROUP, group); } else if (strcmp(*argv, "dev") == 0 || strcmp(*argv, "iif") == 0) { NEXT_ARG(); diff --git a/man/man8/ip-rule.8 b/man/man8/ip-rule.8 index 36e46f1b..62df3b0b 100644 --- a/man/man8/ip-rule.8 +++ b/man/man8/ip-rule.8 @@ -43,6 +43,14 @@ ip-rule \- routing policy database management .IR ADDRESS " ] [ " .BR prohibit " | " reject " | " unreachable " ] [ " realms .RI "[" SRCREALM "/]" DSTREALM " ]" +.I SUPPRESSOR + +.ti -8 +.IR SUPPRESSOR " := [ " +.B suppress_prefixlength +.IR NUMBER " ] [ " +.B suppress_ifgroup +.IR GROUP " ]" .ti -8 .IR TABLE_ID " := [ " @@ -217,6 +225,15 @@ the routing table identifier to lookup if the rule selector matches. It is also possible to use lookup instead of table. .TP +.BI suppress_prefixlength " NUMBER" +reject routing decisions that have a prefix length of NUMBER or less. + +.TP +.BI suppress_ifgroup " GROUP" +reject routing decisions that use a device belonging to the interface +group GROUP. + +.TP .BI realms " FROM/TO" Realms to select if the rule matched and the routing table lookup succeeded. Realm diff --git a/tc/Makefile b/tc/Makefile index f26e7646..1eeabd8c 100644 --- a/tc/Makefile +++ b/tc/Makefile @@ -50,6 +50,7 @@ TCMODULES += em_meta.o TCMODULES += q_mqprio.o TCMODULES += q_codel.o TCMODULES += q_fq_codel.o +TCMODULES += q_fq.o ifeq ($(TC_CONFIG_IPSET), y) ifeq ($(TC_CONFIG_XT), y) diff --git a/tc/q_fq.c b/tc/q_fq.c new file mode 100644 index 00000000..c1f658e0 --- /dev/null +++ b/tc/q_fq.c @@ -0,0 +1,279 @@ +/* + * Fair Queue + * + * Copyright (C) 2013 Eric Dumazet <edumazet@google.com> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The names of the authors may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * Alternatively, provided that this notice is retained in full, this + * software may be distributed under the terms of the GNU General + * Public License ("GPL") version 2, in which case the provisions of the + * GPL apply INSTEAD OF those given above. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + */ + +#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 "utils.h" +#include "tc_util.h" + +static void explain(void) +{ + fprintf(stderr, "Usage: ... fq [ limit PACKETS ] [ flow_limit PACKETS ]\n"); + fprintf(stderr, " [ quantum BYTES ] [ initial_quantum BYTES ]\n"); + fprintf(stderr, " [ maxrate RATE ] [ buckets NUMBER ]\n"); + fprintf(stderr, " [ [no]pacing ]\n"); +} + +static unsigned int ilog2(unsigned int val) +{ + unsigned int res = 0; + + val--; + while (val) { + res++; + val >>= 1; + } + return res; +} + +static int fq_parse_opt(struct qdisc_util *qu, int argc, char **argv, + struct nlmsghdr *n) +{ + unsigned int plimit = ~0U; + unsigned int flow_plimit = ~0U; + unsigned int quantum = ~0U; + unsigned int initial_quantum = ~0U; + unsigned int buckets = 0; + unsigned int maxrate = ~0U; + unsigned int defrate = ~0U; + int pacing = -1; + struct rtattr *tail; + + while (argc > 0) { + if (strcmp(*argv, "limit") == 0) { + NEXT_ARG(); + if (get_unsigned(&plimit, *argv, 0)) { + fprintf(stderr, "Illegal \"limit\"\n"); + return -1; + } + } else if (strcmp(*argv, "flow_limit") == 0) { + NEXT_ARG(); + if (get_unsigned(&flow_plimit, *argv, 0)) { + fprintf(stderr, "Illegal \"flow_limit\"\n"); + return -1; + } + } else if (strcmp(*argv, "buckets") == 0) { + NEXT_ARG(); + if (get_unsigned(&buckets, *argv, 0)) { + fprintf(stderr, "Illegal \"buckets\"\n"); + return -1; + } + } else if (strcmp(*argv, "maxrate") == 0) { + NEXT_ARG(); + if (get_rate(&maxrate, *argv)) { + fprintf(stderr, "Illegal \"maxrate\"\n"); + return -1; + } + } else if (strcmp(*argv, "defrate") == 0) { + NEXT_ARG(); + if (get_rate(&defrate, *argv)) { + fprintf(stderr, "Illegal \"defrate\"\n"); + return -1; + } + } else if (strcmp(*argv, "quantum") == 0) { + NEXT_ARG(); + if (get_unsigned(&quantum, *argv, 0)) { + fprintf(stderr, "Illegal \"quantum\"\n"); + return -1; + } + } else if (strcmp(*argv, "initial_quantum") == 0) { + NEXT_ARG(); + if (get_unsigned(&initial_quantum, *argv, 0)) { + fprintf(stderr, "Illegal \"initial_quantum\"\n"); + return -1; + } + } else if (strcmp(*argv, "pacing") == 0) { + pacing = 1; + } else if (strcmp(*argv, "nopacing") == 0) { + pacing = 0; + } else if (strcmp(*argv, "help") == 0) { + explain(); + return -1; + } else { + fprintf(stderr, "What is \"%s\"?\n", *argv); + explain(); + return -1; + } + argc--; argv++; + } + + tail = NLMSG_TAIL(n); + addattr_l(n, 1024, TCA_OPTIONS, NULL, 0); + if (buckets) { + unsigned int log = ilog2(buckets); + + addattr_l(n, 1024, TCA_FQ_BUCKETS_LOG, + &log, sizeof(log)); + } + if (plimit != ~0U) + addattr_l(n, 1024, TCA_FQ_PLIMIT, + &plimit, sizeof(plimit)); + if (flow_plimit != ~0U) + addattr_l(n, 1024, TCA_FQ_FLOW_PLIMIT, + &flow_plimit, sizeof(flow_plimit)); + if (quantum != ~0U) + addattr_l(n, 1024, TCA_FQ_QUANTUM, &quantum, sizeof(quantum)); + if (initial_quantum != ~0U) + addattr_l(n, 1024, TCA_FQ_INITIAL_QUANTUM, + &initial_quantum, sizeof(initial_quantum)); + if (pacing != -1) + addattr_l(n, 1024, TCA_FQ_RATE_ENABLE, + &pacing, sizeof(pacing)); + if (maxrate != ~0U) + addattr_l(n, 1024, TCA_FQ_FLOW_MAX_RATE, + &maxrate, sizeof(maxrate)); + if (defrate != ~0U) + addattr_l(n, 1024, TCA_FQ_FLOW_DEFAULT_RATE, + &defrate, sizeof(defrate)); + tail->rta_len = (void *) NLMSG_TAIL(n) - (void *) tail; + return 0; +} + +static int fq_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt) +{ + struct rtattr *tb[TCA_FQ_MAX + 1]; + unsigned int plimit, flow_plimit; + unsigned int buckets_log; + int pacing; + unsigned int rate, quantum; + SPRINT_BUF(b1); + + if (opt == NULL) + return 0; + + parse_rtattr_nested(tb, TCA_FQ_MAX, opt); + + if (tb[TCA_FQ_PLIMIT] && + RTA_PAYLOAD(tb[TCA_FQ_PLIMIT]) >= sizeof(__u32)) { + plimit = rta_getattr_u32(tb[TCA_FQ_PLIMIT]); + fprintf(f, "limit %up ", plimit); + } + if (tb[TCA_FQ_FLOW_PLIMIT] && + RTA_PAYLOAD(tb[TCA_FQ_FLOW_PLIMIT]) >= sizeof(__u32)) { + flow_plimit = rta_getattr_u32(tb[TCA_FQ_FLOW_PLIMIT]); + fprintf(f, "flow_limit %up ", flow_plimit); + } + if (tb[TCA_FQ_BUCKETS_LOG] && + RTA_PAYLOAD(tb[TCA_FQ_BUCKETS_LOG]) >= sizeof(__u32)) { + buckets_log = rta_getattr_u32(tb[TCA_FQ_BUCKETS_LOG]); + fprintf(f, "buckets %u ", 1U << buckets_log); + } + if (tb[TCA_FQ_RATE_ENABLE] && + RTA_PAYLOAD(tb[TCA_FQ_RATE_ENABLE]) >= sizeof(int)) { + pacing = rta_getattr_u32(tb[TCA_FQ_RATE_ENABLE]); + if (pacing == 0) + fprintf(f, "nopacing "); + } + if (tb[TCA_FQ_QUANTUM] && + RTA_PAYLOAD(tb[TCA_FQ_QUANTUM]) >= sizeof(__u32)) { + quantum = rta_getattr_u32(tb[TCA_FQ_QUANTUM]); + fprintf(f, "quantum %u ", quantum); + } + if (tb[TCA_FQ_INITIAL_QUANTUM] && + RTA_PAYLOAD(tb[TCA_FQ_INITIAL_QUANTUM]) >= sizeof(__u32)) { + quantum = rta_getattr_u32(tb[TCA_FQ_INITIAL_QUANTUM]); + fprintf(f, "initial_quantum %u ", quantum); + } + if (tb[TCA_FQ_FLOW_MAX_RATE] && + RTA_PAYLOAD(tb[TCA_FQ_FLOW_MAX_RATE]) >= sizeof(__u32)) { + rate = rta_getattr_u32(tb[TCA_FQ_FLOW_MAX_RATE]); + + if (rate != ~0U) + fprintf(f, "maxrate %s ", sprint_rate(rate, b1)); + } + if (tb[TCA_FQ_FLOW_DEFAULT_RATE] && + RTA_PAYLOAD(tb[TCA_FQ_FLOW_DEFAULT_RATE]) >= sizeof(__u32)) { + rate = rta_getattr_u32(tb[TCA_FQ_FLOW_DEFAULT_RATE]); + + if (rate != 0) + fprintf(f, "defrate %s ", sprint_rate(rate, b1)); + } + + return 0; +} + +static int fq_print_xstats(struct qdisc_util *qu, FILE *f, + struct rtattr *xstats) +{ + struct tc_fq_qd_stats *st; + + if (xstats == NULL) + return 0; + + if (RTA_PAYLOAD(xstats) < sizeof(*st)) + return -1; + + st = RTA_DATA(xstats); + + fprintf(f, " %u flows (%u inactive, %u throttled)", + st->flows, st->inactive_flows, st->throttled_flows); + + if (st->time_next_delayed_flow > 0) + fprintf(f, ", next packet delay %llu ns", st->time_next_delayed_flow); + + fprintf(f, "\n %llu gc, %llu highprio", + st->gc_flows, st->highprio_packets); + + if (st->tcp_retrans) + fprintf(f, ", %llu retrans", st->tcp_retrans); + + fprintf(f, ", %llu throttled", st->throttled); + + if (st->flows_plimit) + fprintf(f, ", %llu flows_plimit", st->flows_plimit); + + if (st->pkts_too_long || st->allocation_errors) + fprintf(f, "\n %llu too long pkts, %llu alloc errors\n", + st->pkts_too_long, st->allocation_errors); + + return 0; +} + +struct qdisc_util fq_qdisc_util = { + .id = "fq", + .parse_qopt = fq_parse_opt, + .print_qopt = fq_print_opt, + .print_xstats = fq_print_xstats, +}; |