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Commit | Line | Data |
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aba5acdf SH |
1 | /* |
2 | * q_fifo.c FIFO. | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or | |
5 | * modify it under the terms of the GNU General Public License | |
6 | * as published by the Free Software Foundation; either version | |
7 | * 2 of the License, or (at your option) any later version. | |
8 | * | |
9 | * Authors: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru> | |
10 | * | |
11 | */ | |
12 | ||
13 | #include <stdio.h> | |
14 | #include <stdlib.h> | |
15 | #include <unistd.h> | |
aba5acdf SH |
16 | #include <fcntl.h> |
17 | #include <sys/socket.h> | |
18 | #include <netinet/in.h> | |
19 | #include <arpa/inet.h> | |
20 | #include <string.h> | |
21 | ||
22 | #include "utils.h" | |
23 | #include "tc_util.h" | |
24 | ||
25 | static void explain(void) | |
26 | { | |
f703129d | 27 | fprintf(stderr, "Usage: ... <[p|b]fifo | pfifo_head_drop> [ limit NUMBER ]\n"); |
aba5acdf SH |
28 | } |
29 | ||
859af0a5 SH |
30 | static int fifo_parse_opt(struct qdisc_util *qu, int argc, char **argv, |
31 | struct nlmsghdr *n, const char *dev) | |
aba5acdf | 32 | { |
32a121cb | 33 | int ok = 0; |
d17b136f | 34 | struct tc_fifo_qopt opt = {}; |
aba5acdf SH |
35 | |
36 | while (argc > 0) { | |
37 | if (strcmp(*argv, "limit") == 0) { | |
38 | NEXT_ARG(); | |
39 | if (get_size(&opt.limit, *argv)) { | |
3bed7bb7 | 40 | fprintf(stderr, "%s: Illegal value for \"limit\": \"%s\"\n", qu->id, *argv); |
aba5acdf SH |
41 | return -1; |
42 | } | |
43 | ok++; | |
44 | } else if (strcmp(*argv, "help") == 0) { | |
45 | explain(); | |
46 | return -1; | |
47 | } else { | |
3bed7bb7 | 48 | fprintf(stderr, "%s: unknown parameter \"%s\"\n", qu->id, *argv); |
aba5acdf SH |
49 | explain(); |
50 | return -1; | |
51 | } | |
52 | argc--; argv++; | |
53 | } | |
54 | ||
55 | if (ok) | |
56 | addattr_l(n, 1024, TCA_OPTIONS, &opt, sizeof(opt)); | |
57 | return 0; | |
58 | } | |
59 | ||
60 | static int fifo_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt) | |
61 | { | |
62 | struct tc_fifo_qopt *qopt; | |
63 | ||
64 | if (opt == NULL) | |
65 | return 0; | |
66 | ||
67 | if (RTA_PAYLOAD(opt) < sizeof(*qopt)) | |
68 | return -1; | |
69 | qopt = RTA_DATA(opt); | |
70 | if (strcmp(qu->id, "bfifo") == 0) { | |
71 | SPRINT_BUF(b1); | |
650a10e0 JK |
72 | print_uint(PRINT_JSON, "limit", NULL, qopt->limit); |
73 | print_string(PRINT_FP, NULL, "limit %s", | |
74 | sprint_size(qopt->limit, b1)); | |
75 | } else { | |
76 | print_uint(PRINT_ANY, "limit", "limit %up", qopt->limit); | |
77 | } | |
aba5acdf SH |
78 | return 0; |
79 | } | |
80 | ||
aba5acdf | 81 | |
95812b56 | 82 | struct qdisc_util bfifo_qdisc_util = { |
f2f99e2e SH |
83 | .id = "bfifo", |
84 | .parse_qopt = fifo_parse_opt, | |
85 | .print_qopt = fifo_print_opt, | |
aba5acdf SH |
86 | }; |
87 | ||
95812b56 | 88 | struct qdisc_util pfifo_qdisc_util = { |
f2f99e2e SH |
89 | .id = "pfifo", |
90 | .parse_qopt = fifo_parse_opt, | |
91 | .print_qopt = fifo_print_opt, | |
aba5acdf | 92 | }; |
78d55b6e | 93 | |
f703129d HPP |
94 | struct qdisc_util pfifo_head_drop_qdisc_util = { |
95 | .id = "pfifo_head_drop", | |
96 | .parse_qopt = fifo_parse_opt, | |
97 | .print_qopt = fifo_print_opt, | |
98 | }; | |
99 | ||
95812b56 | 100 | struct qdisc_util pfifo_fast_qdisc_util = { |
f2f99e2e SH |
101 | .id = "pfifo_fast", |
102 | .print_qopt = prio_print_opt, | |
78d55b6e | 103 | }; |