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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_fifo.c | |
parent | Initial commit. (diff) | |
download | iproute2-upstream.tar.xz iproute2-upstream.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_fifo.c | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/tc/q_fifo.c b/tc/q_fifo.c new file mode 100644 index 0000000..ce82e74 --- /dev/null +++ b/tc/q_fifo.c @@ -0,0 +1,99 @@ +/* + * q_fifo.c FIFO. + * + * 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, <kuznet@ms2.inr.ac.ru> + * + */ + +#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: ... <[p|b]fifo | pfifo_head_drop> [ limit NUMBER ]\n"); +} + +static int fifo_parse_opt(struct qdisc_util *qu, int argc, char **argv, + struct nlmsghdr *n, const char *dev) +{ + int ok = 0; + struct tc_fifo_qopt opt = {}; + + while (argc > 0) { + if (strcmp(*argv, "limit") == 0) { + NEXT_ARG(); + if (get_size(&opt.limit, *argv)) { + fprintf(stderr, "%s: Illegal value for \"limit\": \"%s\"\n", qu->id, *argv); + return -1; + } + ok++; + } else if (strcmp(*argv, "help") == 0) { + explain(); + return -1; + } else { + fprintf(stderr, "%s: unknown parameter \"%s\"\n", qu->id, *argv); + explain(); + return -1; + } + argc--; argv++; + } + + if (ok) + addattr_l(n, 1024, TCA_OPTIONS, &opt, sizeof(opt)); + return 0; +} + +static int fifo_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt) +{ + struct tc_fifo_qopt *qopt; + + if (opt == NULL) + return 0; + + if (RTA_PAYLOAD(opt) < sizeof(*qopt)) + return -1; + qopt = RTA_DATA(opt); + if (strcmp(qu->id, "bfifo") == 0) + print_size(PRINT_ANY, "limit", "limit %s", qopt->limit); + else + print_uint(PRINT_ANY, "limit", "limit %up", qopt->limit); + return 0; +} + + +struct qdisc_util bfifo_qdisc_util = { + .id = "bfifo", + .parse_qopt = fifo_parse_opt, + .print_qopt = fifo_print_opt, +}; + +struct qdisc_util pfifo_qdisc_util = { + .id = "pfifo", + .parse_qopt = fifo_parse_opt, + .print_qopt = fifo_print_opt, +}; + +struct qdisc_util pfifo_head_drop_qdisc_util = { + .id = "pfifo_head_drop", + .parse_qopt = fifo_parse_opt, + .print_qopt = fifo_print_opt, +}; + +struct qdisc_util pfifo_fast_qdisc_util = { + .id = "pfifo_fast", + .print_qopt = prio_print_opt, +}; |