1 /* 2 * src/lib/link.c CLI Link Helpers 3 * 4 * This library is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Lesser General Public 6 * License as published by the Free Software Foundation version 2.1 7 * of the License. 8 * 9 * Copyright (c) 2008-2010 Thomas Graf <tgraf (at) suug.ch> 10 */ 11 12 /** 13 * @ingroup cli 14 * @defgroup cli_link Links 15 * 16 * @{ 17 */ 18 19 #include <netlink/cli/utils.h> 20 #include <netlink/cli/link.h> 21 #include <linux/if.h> 22 23 struct rtnl_link *nl_cli_link_alloc(void) 24 { 25 struct rtnl_link *link; 26 27 link = rtnl_link_alloc(); 28 if (!link) 29 nl_cli_fatal(ENOMEM, "Unable to allocate link object"); 30 31 return link; 32 } 33 34 struct nl_cache *nl_cli_link_alloc_cache_family(struct nl_sock *sock, int family) 35 { 36 struct nl_cache *cache; 37 int err; 38 39 if ((err = rtnl_link_alloc_cache(sock, family, &cache)) < 0) 40 nl_cli_fatal(err, "Unable to allocate link cache: %s", 41 nl_geterror(err)); 42 43 nl_cache_mngt_provide(cache); 44 45 return cache; 46 } 47 48 struct nl_cache *nl_cli_link_alloc_cache(struct nl_sock *sock) 49 { 50 return nl_cli_link_alloc_cache_family(sock, AF_UNSPEC); 51 } 52 53 void nl_cli_link_parse_family(struct rtnl_link *link, char *arg) 54 { 55 int family; 56 57 if ((family = nl_str2af(arg)) < 0) 58 nl_cli_fatal(EINVAL, 59 "Unable to translate address family \"%s\"", arg); 60 61 rtnl_link_set_family(link, family); 62 } 63 64 void nl_cli_link_parse_name(struct rtnl_link *link, char *arg) 65 { 66 rtnl_link_set_name(link, arg); 67 } 68 69 void nl_cli_link_parse_mtu(struct rtnl_link *link, char *arg) 70 { 71 uint32_t mtu = nl_cli_parse_u32(arg); 72 rtnl_link_set_mtu(link, mtu); 73 } 74 75 void nl_cli_link_parse_ifindex(struct rtnl_link *link, char *arg) 76 { 77 uint32_t index = nl_cli_parse_u32(arg); 78 rtnl_link_set_ifindex(link, index); 79 } 80 81 void nl_cli_link_parse_txqlen(struct rtnl_link *link, char *arg) 82 { 83 uint32_t qlen = nl_cli_parse_u32(arg); 84 rtnl_link_set_txqlen(link, qlen); 85 } 86 87 void nl_cli_link_parse_weight(struct rtnl_link *link, char *arg) 88 { 89 } 90 91 void nl_cli_link_parse_ifalias(struct rtnl_link *link, char *arg) 92 { 93 if (strlen(arg) > IFALIASZ) 94 nl_cli_fatal(ERANGE, 95 "Link ifalias too big, must not exceed %u in length.", 96 IFALIASZ); 97 98 rtnl_link_set_ifalias(link, arg); 99 } 100 101 /** @} */ 102