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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_qfq.c | |
parent | Initial commit. (diff) | |
download | iproute2-upstream/6.1.0.tar.xz iproute2-upstream/6.1.0.zip |
Adding upstream version 6.1.0.upstream/6.1.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | tc/q_qfq.c | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/tc/q_qfq.c b/tc/q_qfq.c new file mode 100644 index 0000000..eb8fa4b --- /dev/null +++ b/tc/q_qfq.c @@ -0,0 +1,115 @@ +/* + * q_qfq.c QFQ. + * + * 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: Stephen Hemminger <shemminger@vyatta.com> + * Fabio Checconi <fabio@gandalf.sssup.it> + * + */ +#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: ... qfq\n"); +} + +static void explain1(const char *arg) +{ + fprintf(stderr, "Illegal \"%s\"\n", arg); +} + +static void explain_class(void) +{ + fprintf(stderr, "Usage: ... qfq weight NUMBER maxpkt BYTES\n"); +} + +static int qfq_parse_opt(struct qdisc_util *qu, int argc, char **argv, + struct nlmsghdr *n, const char *dev) +{ + if (argc > 0) { + if (matches(*argv, "help") != 0) + fprintf(stderr, "What is \"%s\"?\n", *argv); + explain(); + return -1; + } + + return 0; +} + +static int qfq_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, 4096, TCA_OPTIONS); + + while (argc > 0) { + if (matches(*argv, "weight") == 0) { + NEXT_ARG(); + if (get_u32(&tmp, *argv, 10)) { + explain1("weight"); return -1; + } + addattr32(n, 4096, TCA_QFQ_WEIGHT, tmp); + } else if (matches(*argv, "maxpkt") == 0) { + NEXT_ARG(); + if (get_u32(&tmp, *argv, 10)) { + explain1("maxpkt"); return -1; + } + addattr32(n, 4096, TCA_QFQ_LMAX, tmp); + } else if (strcmp(*argv, "help") == 0) { + explain_class(); + return -1; + } else { + fprintf(stderr, "What is \"%s\"?\n", *argv); + explain_class(); + return -1; + } + argc--; argv++; + } + + addattr_nest_end(n, tail); + + return 0; +} + +static int qfq_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt) +{ + struct rtattr *tb[TCA_QFQ_MAX + 1]; + + if (opt == NULL) + return 0; + + parse_rtattr_nested(tb, TCA_QFQ_MAX, opt); + + if (tb[TCA_QFQ_WEIGHT]) { + fprintf(f, "weight %u ", + rta_getattr_u32(tb[TCA_QFQ_WEIGHT])); + } + + if (tb[TCA_QFQ_LMAX]) { + fprintf(f, "maxpkt %u ", + rta_getattr_u32(tb[TCA_QFQ_LMAX])); + } + + return 0; +} + +struct qdisc_util qfq_qdisc_util = { + .id = "qfq", + .parse_qopt = qfq_parse_opt, + .print_qopt = qfq_print_opt, + .parse_copt = qfq_parse_class_opt, + .print_copt = qfq_print_opt, +}; |