Stephen Hemminger | c441bd4 | 2011-01-07 09:43:27 -0800 | [diff] [blame] | 1 | /* |
| 2 | * q_qfq.c QFQ. |
| 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: Stephen Hemminger <shemminger@vyatta.com> |
| 10 | * Fabio Checconi <fabio@gandalf.sssup.it> |
| 11 | * |
| 12 | */ |
| 13 | #include <syslog.h> |
| 14 | #include <fcntl.h> |
| 15 | #include <sys/socket.h> |
| 16 | #include <netinet/in.h> |
| 17 | #include <arpa/inet.h> |
| 18 | #include <string.h> |
| 19 | |
| 20 | #include "utils.h" |
| 21 | #include "tc_util.h" |
| 22 | |
| 23 | static void explain(void) |
| 24 | { |
| 25 | fprintf(stderr, "Usage: ... qfq\n"); |
| 26 | } |
| 27 | |
| 28 | static void explain1(const char *arg) |
| 29 | { |
| 30 | fprintf(stderr, "Illegal \"%s\"\n", arg); |
| 31 | } |
| 32 | |
| 33 | static void explain_class(void) |
| 34 | { |
| 35 | fprintf(stderr, "Usage: ... qfq weight NUMBER maxpkt BYTES\n"); |
| 36 | } |
| 37 | |
| 38 | static int qfq_parse_opt(struct qdisc_util *qu, int argc, char **argv, |
| 39 | struct nlmsghdr *n) |
| 40 | { |
Stephen Hemminger | 037660b | 2015-10-27 15:46:20 +0900 | [diff] [blame] | 41 | if (argc > 0) { |
| 42 | if (matches(*argv, "help") != 0) |
Stephen Hemminger | c441bd4 | 2011-01-07 09:43:27 -0800 | [diff] [blame] | 43 | fprintf(stderr, "What is \"%s\"?\n", *argv); |
Stephen Hemminger | 037660b | 2015-10-27 15:46:20 +0900 | [diff] [blame] | 44 | explain(); |
| 45 | return -1; |
Stephen Hemminger | c441bd4 | 2011-01-07 09:43:27 -0800 | [diff] [blame] | 46 | } |
| 47 | |
| 48 | return 0; |
| 49 | } |
| 50 | |
| 51 | static int qfq_parse_class_opt(struct qdisc_util *qu, int argc, char **argv, |
| 52 | struct nlmsghdr *n) |
| 53 | { |
| 54 | struct rtattr *tail; |
| 55 | __u32 tmp; |
| 56 | |
| 57 | tail = NLMSG_TAIL(n); |
| 58 | addattr_l(n, 4096, TCA_OPTIONS, NULL, 0); |
| 59 | |
| 60 | while (argc > 0) { |
| 61 | if (matches(*argv, "weight") == 0) { |
| 62 | NEXT_ARG(); |
| 63 | if (get_u32(&tmp, *argv, 10)) { |
| 64 | explain1("weight"); return -1; |
| 65 | } |
| 66 | addattr32(n, 4096, TCA_QFQ_WEIGHT, tmp); |
| 67 | } else if (matches(*argv, "maxpkt") == 0) { |
| 68 | NEXT_ARG(); |
| 69 | if (get_u32(&tmp, *argv, 10)) { |
| 70 | explain1("maxpkt"); return -1; |
| 71 | } |
| 72 | addattr32(n, 4096, TCA_QFQ_LMAX, tmp); |
| 73 | } else if (strcmp(*argv, "help") == 0) { |
| 74 | explain_class(); |
| 75 | return -1; |
| 76 | } else { |
| 77 | fprintf(stderr, "What is \"%s\"?\n", *argv); |
| 78 | explain_class(); |
| 79 | return -1; |
| 80 | } |
| 81 | argc--; argv++; |
| 82 | } |
| 83 | |
| 84 | tail->rta_len = (void *)NLMSG_TAIL(n) - (void *)tail; |
| 85 | |
| 86 | return 0; |
| 87 | } |
| 88 | |
| 89 | static int qfq_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt) |
| 90 | { |
| 91 | struct rtattr *tb[TCA_QFQ_MAX + 1]; |
| 92 | |
| 93 | if (opt == NULL) |
| 94 | return 0; |
| 95 | |
| 96 | parse_rtattr_nested(tb, TCA_QFQ_MAX, opt); |
| 97 | |
| 98 | if (tb[TCA_QFQ_WEIGHT]) { |
| 99 | fprintf(f, "weight %u ", |
Stephen Hemminger | ff24746 | 2012-04-10 08:47:55 -0700 | [diff] [blame] | 100 | rta_getattr_u32(tb[TCA_QFQ_WEIGHT])); |
Stephen Hemminger | c441bd4 | 2011-01-07 09:43:27 -0800 | [diff] [blame] | 101 | } |
| 102 | |
| 103 | if (tb[TCA_QFQ_LMAX]) { |
| 104 | fprintf(f, "maxpkt %u ", |
Stephen Hemminger | ff24746 | 2012-04-10 08:47:55 -0700 | [diff] [blame] | 105 | rta_getattr_u32(tb[TCA_QFQ_LMAX])); |
Stephen Hemminger | c441bd4 | 2011-01-07 09:43:27 -0800 | [diff] [blame] | 106 | } |
| 107 | |
| 108 | return 0; |
| 109 | } |
| 110 | |
| 111 | struct qdisc_util qfq_qdisc_util = { |
| 112 | .id = "qfq", |
| 113 | .parse_qopt = qfq_parse_opt, |
| 114 | .print_qopt = qfq_print_opt, |
| 115 | .parse_copt = qfq_parse_class_opt, |
| 116 | .print_copt = qfq_print_opt, |
| 117 | }; |