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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 14:18:53 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 14:18:53 +0000 |
commit | a0e0018c9a7ef5ce7f6d2c3ae16aecbbd16a8f67 (patch) | |
tree | 8feaf1a1932871b139b3b30be4c09c66489918be /tc/q_drr.c | |
parent | Initial commit. (diff) | |
download | iproute2-a0e0018c9a7ef5ce7f6d2c3ae16aecbbd16a8f67.tar.xz iproute2-a0e0018c9a7ef5ce7f6d2c3ae16aecbbd16a8f67.zip |
Adding upstream version 6.1.0.upstream/6.1.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tc/q_drr.c')
-rw-r--r-- | tc/q_drr.c | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/tc/q_drr.c b/tc/q_drr.c new file mode 100644 index 0000000..4e829ce --- /dev/null +++ b/tc/q_drr.c @@ -0,0 +1,119 @@ +/* + * q_drr.c DRR. + * + * 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: Patrick McHardy <kaber@trash.net> + * + */ + +#include <stdio.h> +#include <stdlib.h> +#include <unistd.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: ... drr\n"); +} + +static void explain2(void) +{ + fprintf(stderr, "Usage: ... drr quantum SIZE\n"); +} + + +static int drr_parse_opt(struct qdisc_util *qu, int argc, char **argv, + struct nlmsghdr *n, const char *dev) +{ + while (argc) { + if (strcmp(*argv, "help") == 0) { + explain(); + return -1; + } else { + fprintf(stderr, "What is \"%s\"?\n", *argv); + explain(); + return -1; + } + } + return 0; +} + +static int drr_parse_class_opt(struct qdisc_util *qu, int argc, char **argv, + struct nlmsghdr *n, const char *dev) +{ + struct rtattr *tail; + __u32 tmp; + + tail = addattr_nest(n, 1024, TCA_OPTIONS); + + while (argc > 0) { + if (strcmp(*argv, "quantum") == 0) { + NEXT_ARG(); + if (get_size(&tmp, *argv)) { + fprintf(stderr, "Illegal \"quantum\"\n"); + return -1; + } + addattr_l(n, 1024, TCA_DRR_QUANTUM, &tmp, sizeof(tmp)); + } else if (strcmp(*argv, "help") == 0) { + explain2(); + return -1; + } else { + fprintf(stderr, "What is \"%s\"?\n", *argv); + explain2(); + return -1; + } + argc--; argv++; + } + + addattr_nest_end(n, tail); + return 0; +} + +static int drr_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt) +{ + struct rtattr *tb[TCA_DRR_MAX + 1]; + + if (opt == NULL) + return 0; + + parse_rtattr_nested(tb, TCA_DRR_MAX, opt); + + if (tb[TCA_DRR_QUANTUM]) + print_size(PRINT_FP, NULL, "quantum %s ", + rta_getattr_u32(tb[TCA_DRR_QUANTUM])); + return 0; +} + +static int drr_print_xstats(struct qdisc_util *qu, FILE *f, struct rtattr *xstats) +{ + struct tc_drr_stats *x; + + if (xstats == NULL) + return 0; + if (RTA_PAYLOAD(xstats) < sizeof(*x)) + return -1; + x = RTA_DATA(xstats); + + print_size(PRINT_FP, NULL, " deficit %s ", x->deficit); + return 0; +} + +struct qdisc_util drr_qdisc_util = { + .id = "drr", + .parse_qopt = drr_parse_opt, + .print_qopt = drr_print_opt, + .print_xstats = drr_print_xstats, + .parse_copt = drr_parse_class_opt, + .print_copt = drr_print_opt, +}; |