libnl
3.2.3
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00001 /* 00002 * src/lib/link.c CLI Link Helpers 00003 * 00004 * This library is free software; you can redistribute it and/or 00005 * modify it under the terms of the GNU Lesser General Public 00006 * License as published by the Free Software Foundation version 2.1 00007 * of the License. 00008 * 00009 * Copyright (c) 2008-2010 Thomas Graf <tgraf@suug.ch> 00010 */ 00011 00012 /** 00013 * @ingroup cli 00014 * @defgroup cli_link Links 00015 * 00016 * @{ 00017 */ 00018 00019 #include <netlink/cli/utils.h> 00020 #include <netlink/cli/link.h> 00021 #include <linux/if.h> 00022 00023 struct rtnl_link *nl_cli_link_alloc(void) 00024 { 00025 struct rtnl_link *link; 00026 00027 link = rtnl_link_alloc(); 00028 if (!link) 00029 nl_cli_fatal(ENOMEM, "Unable to allocate link object"); 00030 00031 return link; 00032 } 00033 00034 struct nl_cache *nl_cli_link_alloc_cache_family(struct nl_sock *sock, int family) 00035 { 00036 struct nl_cache *cache; 00037 int err; 00038 00039 if ((err = rtnl_link_alloc_cache(sock, family, &cache)) < 0) 00040 nl_cli_fatal(err, "Unable to allocate link cache: %s", 00041 nl_geterror(err)); 00042 00043 nl_cache_mngt_provide(cache); 00044 00045 return cache; 00046 } 00047 00048 struct nl_cache *nl_cli_link_alloc_cache(struct nl_sock *sock) 00049 { 00050 return nl_cli_link_alloc_cache_family(sock, AF_UNSPEC); 00051 } 00052 00053 void nl_cli_link_parse_family(struct rtnl_link *link, char *arg) 00054 { 00055 int family; 00056 00057 if ((family = nl_str2af(arg)) < 0) 00058 nl_cli_fatal(EINVAL, 00059 "Unable to translate address family \"%s\"", arg); 00060 00061 rtnl_link_set_family(link, family); 00062 } 00063 00064 void nl_cli_link_parse_name(struct rtnl_link *link, char *arg) 00065 { 00066 rtnl_link_set_name(link, arg); 00067 } 00068 00069 void nl_cli_link_parse_mtu(struct rtnl_link *link, char *arg) 00070 { 00071 uint32_t mtu = nl_cli_parse_u32(arg); 00072 rtnl_link_set_mtu(link, mtu); 00073 } 00074 00075 void nl_cli_link_parse_ifindex(struct rtnl_link *link, char *arg) 00076 { 00077 uint32_t index = nl_cli_parse_u32(arg); 00078 rtnl_link_set_ifindex(link, index); 00079 } 00080 00081 void nl_cli_link_parse_txqlen(struct rtnl_link *link, char *arg) 00082 { 00083 uint32_t qlen = nl_cli_parse_u32(arg); 00084 rtnl_link_set_txqlen(link, qlen); 00085 } 00086 00087 void nl_cli_link_parse_weight(struct rtnl_link *link, char *arg) 00088 { 00089 } 00090 00091 void nl_cli_link_parse_ifalias(struct rtnl_link *link, char *arg) 00092 { 00093 if (strlen(arg) > IFALIASZ) 00094 nl_cli_fatal(ERANGE, 00095 "Link ifalias too big, must not exceed %u in length.", 00096 IFALIASZ); 00097 00098 rtnl_link_set_ifalias(link, arg); 00099 } 00100 00101 /** @} */