X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=tc%2Fq_prio.c;fp=tc%2Fq_prio.c;h=d696e1ba99255c383c3c8c87ce29b446ba2874e8;hb=4f7d3057911ebc5df78113896cb02e1b4ffbfabe;hp=0000000000000000000000000000000000000000;hpb=8a59994861a17eb92c11553d88631757ee8e63c3;p=iproute2.git diff --git a/tc/q_prio.c b/tc/q_prio.c new file mode 100644 index 0000000..d696e1b --- /dev/null +++ b/tc/q_prio.c @@ -0,0 +1,119 @@ +/* + * q_prio.c PRIO. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + * + * Authors: Alexey Kuznetsov, + * + * Changes: + * + * Ole Husgaard : 990513: prio2band map was always reset. + * J Hadi Salim : 990609: priomap fix. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "utils.h" +#include "tc_util.h" + +static void explain(void) +{ + fprintf(stderr, "Usage: ... prio bands NUMBER priomap P1 P2...\n"); +} + +#define usage() return(-1) + +static int prio_parse_opt(struct qdisc_util *qu, int argc, char **argv, struct nlmsghdr *n) +{ + int ok=0; + int pmap_mode = 0; + int idx = 0; + struct tc_prio_qopt opt={3,{ 1, 2, 2, 2, 1, 2, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1 }}; + + while (argc > 0) { + if (strcmp(*argv, "bands") == 0) { + if (pmap_mode) + explain(); + NEXT_ARG(); + if (get_integer(&opt.bands, *argv, 10)) { + fprintf(stderr, "Illegal \"bands\"\n"); + return -1; + } + ok++; + } else if (strcmp(*argv, "priomap") == 0) { + if (pmap_mode) { + fprintf(stderr, "Error: duplicate priomap\n"); + return -1; + } + pmap_mode = 1; + } else if (strcmp(*argv, "help") == 0) { + explain(); + return -1; + } else { + unsigned band; + if (!pmap_mode) { + fprintf(stderr, "What is \"%s\"?\n", *argv); + explain(); + return -1; + } + if (get_unsigned(&band, *argv, 10)) { + fprintf(stderr, "Illegal \"priomap\" element\n"); + return -1; + } + if (band > opt.bands) { + fprintf(stderr, "\"priomap\" element is out of bands\n"); + return -1; + } + if (idx > TC_PRIO_MAX) { + fprintf(stderr, "\"priomap\" index > TC_PRIO_MAX=%u\n", TC_PRIO_MAX); + return -1; + } + opt.priomap[idx++] = band; + } + argc--; argv++; + } + +/* + if (pmap_mode) { + for (; idx < TC_PRIO_MAX; idx++) + opt.priomap[idx] = opt.priomap[TC_PRIO_BESTEFFORT]; + } +*/ + addattr_l(n, 1024, TCA_OPTIONS, &opt, sizeof(opt)); + return 0; +} + +int prio_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt) +{ + int i; + struct tc_prio_qopt *qopt; + + if (opt == NULL) + return 0; + + if (RTA_PAYLOAD(opt) < sizeof(*qopt)) + return -1; + qopt = RTA_DATA(opt); + fprintf(f, "bands %u priomap ", qopt->bands); + for (i=0; i<=TC_PRIO_MAX; i++) + fprintf(f, " %d", qopt->priomap[i]); + return 0; +} + +struct qdisc_util prio_qdisc_util = { + .id = "prio", + .parse_qopt = prio_parse_opt, + .print_qopt = prio_print_opt, +}; +