1 2 /* 3 * src/lib/pfifo.c pfifo module for CLI lib 4 * 5 * This library is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU Lesser General Public 7 * License as published by the Free Software Foundation version 2.1 8 * of the License. 9 * 10 * Copyright (c) 2010-2011 Thomas Graf <tgraf (at) suug.ch> 11 */ 12 13 #include <netlink/cli/utils.h> 14 #include <netlink/cli/tc.h> 15 #include <netlink/route/qdisc/fifo.h> 16 17 static void print_usage(void) 18 { 19 printf( 20 "Usage: nl-qdisc-add [...] pfifo [OPTIONS]...\n" 21 "\n" 22 "OPTIONS\n" 23 " --help Show this help text.\n" 24 " --limit=LIMIT Maximum queue length in number of packets.\n" 25 "\n" 26 "EXAMPLE" 27 " # Attach pfifo with a 32 packet limit to eth1\n" 28 " nl-qdisc-add --dev=eth1 --parent=root pfifo --limit=32\n"); 29 } 30 31 static void pfifo_parse_argv(struct rtnl_tc *tc, int argc, char **argv) 32 { 33 struct rtnl_qdisc *qdisc = (struct rtnl_qdisc *) tc; 34 35 for (;;) { 36 int c, optidx = 0; 37 enum { 38 ARG_LIMIT = 257, 39 }; 40 static struct option long_opts[] = { 41 { "help", 0, 0, 'h' }, 42 { "limit", 1, 0, ARG_LIMIT }, 43 { 0, 0, 0, 0 } 44 }; 45 46 c = getopt_long(argc, argv, "h", long_opts, &optidx); 47 if (c == -1) 48 break; 49 50 switch (c) { 51 case 'h': 52 print_usage(); 53 return; 54 55 case ARG_LIMIT: 56 rtnl_qdisc_fifo_set_limit(qdisc, nl_cli_parse_u32(optarg)); 57 break; 58 } 59 } 60 } 61 62 static struct nl_cli_tc_module pfifo_module = 63 { 64 .tm_name = "pfifo", 65 .tm_type = RTNL_TC_TYPE_QDISC, 66 .tm_parse_argv = pfifo_parse_argv, 67 }; 68 69 static void __init pfifo_init(void) 70 { 71 nl_cli_tc_register(&pfifo_module); 72 } 73 74 static void __exit pfifo_exit(void) 75 { 76 nl_cli_tc_unregister(&pfifo_module); 77 } 78
