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libnl3-doc-3.2.21-1.fc18.i686.rpm

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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment"> * lib/route/rule.c          Routing Rules</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment"> *      This library is free software; you can redistribute it and/or</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment"> *      modify it under the terms of the GNU Lesser General Public</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment"> *      License as published by the Free Software Foundation version 2.1</span></div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment"> *      of the License.</span></div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment"> * Copyright (c) 2003-2010 Thomas Graf &lt;tgraf@suug.ch&gt;</span></div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="comment"> * @ingroup rtnl</span></div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="comment"> * @defgroup rule Routing Rules</span></div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="comment"> * @brief</span></div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="comment"> * @{</span></div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;</div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="preprocessor">#include &lt;netlink-private/netlink.h&gt;</span></div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="preprocessor">#include &lt;netlink/netlink.h&gt;</span></div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="preprocessor">#include &lt;netlink/utils.h&gt;</span></div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="preprocessor">#include &lt;netlink/route/rtnl.h&gt;</span></div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;<span class="preprocessor">#include &lt;netlink/route/rule.h&gt;</span></div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="preprocessor">#include &lt;inttypes.h&gt;</span></div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;<span class="comment">/** @cond SKIP */</span></div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;<span class="preprocessor">#define RULE_ATTR_FAMILY        0x0001</span></div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define RULE_ATTR_TABLE         0x0002</span></div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define RULE_ATTR_ACTION        0x0004</span></div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define RULE_ATTR_FLAGS         0x0008</span></div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define RULE_ATTR_IIFNAME       0x0010</span></div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define RULE_ATTR_OIFNAME       0x0020</span></div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define RULE_ATTR_PRIO          0x0040</span></div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define RULE_ATTR_MARK          0x0080</span></div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define RULE_ATTR_MASK          0x0100</span></div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define RULE_ATTR_GOTO          0x0200</span></div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define RULE_ATTR_SRC           0x0400</span></div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define RULE_ATTR_DST           0x0800</span></div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define RULE_ATTR_DSFIELD       0x1000</span></div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define RULE_ATTR_FLOW          0x2000</span></div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;<span class="keyword">static</span> <span class="keyword">struct </span>nl_cache_ops rtnl_rule_ops;</div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;<span class="keyword">static</span> <span class="keyword">struct </span>nl_object_ops rule_obj_ops;<span class="comment"></span></div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;<span class="comment">/** @endcond */</span></div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;</div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> rule_free_data(<span class="keyword">struct</span> nl_object *c)</div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;{</div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;        <span class="keyword">struct </span>rtnl_rule *rule = nl_object_priv(c);</div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;</div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;        <span class="keywordflow">if</span> (!rule)</div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;                <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;</div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;        nl_addr_put(rule-&gt;r_src);</div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;        nl_addr_put(rule-&gt;r_dst);</div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;}</div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;</div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;<span class="keyword">static</span> <span class="keywordtype">int</span> rule_clone(<span class="keyword">struct</span> nl_object *_dst, <span class="keyword">struct</span> nl_object *_src)</div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;{</div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;        <span class="keyword">struct </span>rtnl_rule *dst = nl_object_priv(_dst);</div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;        <span class="keyword">struct </span>rtnl_rule *src = nl_object_priv(_src);</div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;</div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;        <span class="keywordflow">if</span> (src-&gt;r_src)</div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;                <span class="keywordflow">if</span> (!(dst-&gt;r_src = <a class="code" href="group__addr.html#ga40b37a1ccec7acf84d868e588e516cba" title="Clone existing abstract address object.">nl_addr_clone</a>(src-&gt;r_src)))</div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;                        <span class="keywordflow">return</span> -NLE_NOMEM;</div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;</div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;        <span class="keywordflow">if</span> (src-&gt;r_dst)</div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;                <span class="keywordflow">if</span> (!(dst-&gt;r_dst = <a class="code" href="group__addr.html#ga40b37a1ccec7acf84d868e588e516cba" title="Clone existing abstract address object.">nl_addr_clone</a>(src-&gt;r_dst)))</div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;                        <span class="keywordflow">return</span> -NLE_NOMEM;</div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;</div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;        <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;}</div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;</div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;<span class="keyword">static</span> <span class="keyword">struct </span><a class="code" href="structnla__policy.html" title="Attribute validation policy.">nla_policy</a> rule_policy[FRA_MAX+1] = {</div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;        [FRA_TABLE]     = { .<a class="code" href="structnla__policy.html#aaa36c9d1e298fc9e4ee16a8fb553b32a" title="Type of attribute or NLA_UNSPEC.">type</a> = <a class="code" href="group__attr.html#ggadf764cbdea00d65edcd07bb9953ad2b7abddb836025b456b06b025c293bff6dc8" title="32 bit integer">NLA_U32</a> },</div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;        [FRA_IIFNAME]   = { .type = <a class="code" href="group__attr.html#ggadf764cbdea00d65edcd07bb9953ad2b7a284d1eafd6d5d99cedaff3cd5f5a8378" title="NUL terminated character string.">NLA_STRING</a>, .maxlen = IFNAMSIZ },</div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;        [FRA_OIFNAME]   = { .type = <a class="code" href="group__attr.html#ggadf764cbdea00d65edcd07bb9953ad2b7a284d1eafd6d5d99cedaff3cd5f5a8378" title="NUL terminated character string.">NLA_STRING</a>, .maxlen = IFNAMSIZ },</div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;        [FRA_PRIORITY]  = { .type = <a class="code" href="group__attr.html#ggadf764cbdea00d65edcd07bb9953ad2b7abddb836025b456b06b025c293bff6dc8" title="32 bit integer">NLA_U32</a> },</div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;        [FRA_FWMARK]    = { .type = <a class="code" href="group__attr.html#ggadf764cbdea00d65edcd07bb9953ad2b7abddb836025b456b06b025c293bff6dc8" title="32 bit integer">NLA_U32</a> },</div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;        [FRA_FWMASK]    = { .type = <a class="code" href="group__attr.html#ggadf764cbdea00d65edcd07bb9953ad2b7abddb836025b456b06b025c293bff6dc8" title="32 bit integer">NLA_U32</a> },</div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;        [FRA_GOTO]      = { .type = <a class="code" href="group__attr.html#ggadf764cbdea00d65edcd07bb9953ad2b7abddb836025b456b06b025c293bff6dc8" title="32 bit integer">NLA_U32</a> },</div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;        [FRA_FLOW]      = { .type = <a class="code" href="group__attr.html#ggadf764cbdea00d65edcd07bb9953ad2b7abddb836025b456b06b025c293bff6dc8" title="32 bit integer">NLA_U32</a> },</div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;};</div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;</div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;<span class="keyword">static</span> <span class="keywordtype">int</span> rule_msg_parser(<span class="keyword">struct</span> nl_cache_ops *ops, <span class="keyword">struct</span> sockaddr_nl *who,</div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;                           <span class="keyword">struct</span> nlmsghdr *n, <span class="keyword">struct</span> nl_parser_param *pp)</div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;{</div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;        <span class="keyword">struct </span>rtnl_rule *rule;</div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;        <span class="keyword">struct </span>fib_rule_hdr *frh;</div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;        <span class="keyword">struct </span>nlattr *tb[FRA_MAX+1];</div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;        <span class="keywordtype">int</span> err = 1, family;</div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;</div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;        rule = rtnl_rule_alloc();</div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;        <span class="keywordflow">if</span> (!rule) {</div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;                err = -NLE_NOMEM;</div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;                <span class="keywordflow">goto</span> errout;</div>
<div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;        }</div>
<div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;</div>
<div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;        rule-&gt;ce_msgtype = n-&gt;nlmsg_type;</div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;        frh = <a class="code" href="group__msg.html#gae44a904bb40c8b5f5ff31539c21cfa5a" title="Return pointer to message payload.">nlmsg_data</a>(n);</div>
<div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;</div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;        err = <a class="code" href="group__msg.html#ga2671eefe95c3e44dec8ddab51ae57593" title="parse attributes of a netlink message">nlmsg_parse</a>(n, <span class="keyword">sizeof</span>(*frh), tb, FRA_MAX, rule_policy);</div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;        <span class="keywordflow">if</span> (err &lt; 0)</div>
<div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;                <span class="keywordflow">goto</span> errout;</div>
<div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;</div>
<div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;        rule-&gt;r_family = family = frh-&gt;family;</div>
<div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;        rule-&gt;r_table = frh-&gt;table;</div>
<div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;        rule-&gt;r_action = frh-&gt;action;</div>
<div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;        rule-&gt;r_flags = frh-&gt;flags;</div>
<div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;</div>
<div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;        rule-&gt;ce_mask = (RULE_ATTR_FAMILY | RULE_ATTR_TABLE | RULE_ATTR_ACTION |</div>
<div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;                         RULE_ATTR_FLAGS);</div>
<div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;</div>
<div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;        <span class="comment">/* ipv4 only */</span></div>
<div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;        <span class="keywordflow">if</span> (frh-&gt;tos) {</div>
<div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;                rule-&gt;r_dsfield = frh-&gt;tos;</div>
<div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;                rule-&gt;ce_mask |= RULE_ATTR_DSFIELD;</div>
<div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;        }</div>
<div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;</div>
<div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;        <span class="keywordflow">if</span> (tb[FRA_TABLE]) {</div>
<div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;                rule-&gt;r_table = <a class="code" href="group__attr.html#gabda0290a8b26cc577c2c5cefa814aeac" title="Return payload of 32 bit integer attribute.">nla_get_u32</a>(tb[FRA_TABLE]);</div>
<div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;                rule-&gt;ce_mask |= RULE_ATTR_TABLE;</div>
<div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;        }</div>
<div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;</div>
<div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;        <span class="keywordflow">if</span> (tb[FRA_IIFNAME]) {</div>
<div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;                <a class="code" href="group__attr.html#gaabddc8018334423d84088d241b4b7830" title="Copy string attribute payload to a buffer.">nla_strlcpy</a>(rule-&gt;r_iifname, tb[FRA_IIFNAME], IFNAMSIZ);</div>
<div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;                rule-&gt;ce_mask |= RULE_ATTR_IIFNAME;</div>
<div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;        }</div>
<div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;</div>
<div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;        <span class="keywordflow">if</span> (tb[FRA_OIFNAME]) {</div>
<div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;                <a class="code" href="group__attr.html#gaabddc8018334423d84088d241b4b7830" title="Copy string attribute payload to a buffer.">nla_strlcpy</a>(rule-&gt;r_oifname, tb[FRA_OIFNAME], IFNAMSIZ);</div>
<div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;                rule-&gt;ce_mask |= RULE_ATTR_OIFNAME;</div>
<div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;        }</div>
<div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;</div>
<div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;        <span class="keywordflow">if</span> (tb[FRA_PRIORITY]) {</div>
<div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;                rule-&gt;r_prio = <a class="code" href="group__attr.html#gabda0290a8b26cc577c2c5cefa814aeac" title="Return payload of 32 bit integer attribute.">nla_get_u32</a>(tb[FRA_PRIORITY]);</div>
<div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;                rule-&gt;ce_mask |= RULE_ATTR_PRIO;</div>
<div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;        }</div>
<div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;</div>
<div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;        <span class="keywordflow">if</span> (tb[FRA_FWMARK]) {</div>
<div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;                rule-&gt;r_mark = <a class="code" href="group__attr.html#gabda0290a8b26cc577c2c5cefa814aeac" title="Return payload of 32 bit integer attribute.">nla_get_u32</a>(tb[FRA_FWMARK]);</div>
<div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;                rule-&gt;ce_mask |= RULE_ATTR_MARK;</div>
<div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;        }</div>
<div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;</div>
<div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;        <span class="keywordflow">if</span> (tb[FRA_FWMASK]) {</div>
<div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;                rule-&gt;r_mask = <a class="code" href="group__attr.html#gabda0290a8b26cc577c2c5cefa814aeac" title="Return payload of 32 bit integer attribute.">nla_get_u32</a>(tb[FRA_FWMASK]);</div>
<div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;                rule-&gt;ce_mask |= RULE_ATTR_MASK;</div>
<div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;        }</div>
<div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;</div>
<div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;        <span class="keywordflow">if</span> (tb[FRA_GOTO]) {</div>
<div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;                rule-&gt;r_goto = <a class="code" href="group__attr.html#gabda0290a8b26cc577c2c5cefa814aeac" title="Return payload of 32 bit integer attribute.">nla_get_u32</a>(tb[FRA_GOTO]);</div>
<div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;                rule-&gt;ce_mask |= RULE_ATTR_GOTO;</div>
<div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;        }</div>
<div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;</div>
<div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;        <span class="keywordflow">if</span> (tb[FRA_SRC]) {</div>
<div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;                <span class="keywordflow">if</span> (!(rule-&gt;r_src = <a class="code" href="group__addr.html#gaf8c23feac1a865e78c9a1d69ea4a2a99" title="Allocate abstract address based on netlink attribute.">nl_addr_alloc_attr</a>(tb[FRA_SRC], family)))</div>
<div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;                        <span class="keywordflow">goto</span> errout_enomem;</div>
<div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;</div>
<div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;                nl_addr_set_prefixlen(rule-&gt;r_src, frh-&gt;src_len);</div>
<div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;                rule-&gt;ce_mask |= RULE_ATTR_SRC;</div>
<div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;        }</div>
<div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;</div>
<div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;        <span class="keywordflow">if</span> (tb[FRA_DST]) {</div>
<div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;                <span class="keywordflow">if</span> (!(rule-&gt;r_dst = <a class="code" href="group__addr.html#gaf8c23feac1a865e78c9a1d69ea4a2a99" title="Allocate abstract address based on netlink attribute.">nl_addr_alloc_attr</a>(tb[FRA_DST], family)))</div>
<div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;                        <span class="keywordflow">goto</span> errout_enomem;</div>
<div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;                nl_addr_set_prefixlen(rule-&gt;r_dst, frh-&gt;dst_len);</div>
<div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;                rule-&gt;ce_mask |= RULE_ATTR_DST;</div>
<div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;        }</div>
<div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;</div>
<div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;        <span class="comment">/* ipv4 only */</span></div>
<div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;        <span class="keywordflow">if</span> (tb[FRA_FLOW]) {</div>
<div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;                rule-&gt;r_flow = <a class="code" href="group__attr.html#gabda0290a8b26cc577c2c5cefa814aeac" title="Return payload of 32 bit integer attribute.">nla_get_u32</a>(tb[FRA_FLOW]);</div>
<div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;                rule-&gt;ce_mask |= RULE_ATTR_FLOW;</div>
<div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;        }</div>
<div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;</div>
<div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;        err = pp-&gt;pp_cb((<span class="keyword">struct</span> nl_object *) rule, pp);</div>
<div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;errout:</div>
<div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;        rtnl_rule_put(rule);</div>
<div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;        <span class="keywordflow">return</span> err;</div>
<div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;</div>
<div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;errout_enomem:</div>
<div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;        err = -NLE_NOMEM;</div>
<div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;        <span class="keywordflow">goto</span> errout;</div>
<div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;}</div>
<div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;</div>
<div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;<span class="keyword">static</span> <span class="keywordtype">int</span> rule_request_update(<span class="keyword">struct</span> nl_cache *c, <span class="keyword">struct</span> nl_sock *h)</div>
<div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;{</div>
<div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;        <span class="keywordflow">return</span> <a class="code" href="group__rtnl.html#gacb3779a3e01e8bd9c5e0b4ce0c3a1148" title="Send routing netlink request message.">nl_rtgen_request</a>(h, RTM_GETRULE, AF_UNSPEC, NLM_F_DUMP);</div>
<div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;}</div>
<div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;</div>
<div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> rule_dump_line(<span class="keyword">struct</span> nl_object *o, <span class="keyword">struct</span> <a class="code" href="structnl__dump__params.html" title="Dumping parameters.">nl_dump_params</a> *p)</div>
<div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;{</div>
<div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;        <span class="keyword">struct </span>rtnl_rule *r = (<span class="keyword">struct </span>rtnl_rule *) o;</div>
<div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;        <span class="keywordtype">char</span> buf[128];</div>
<div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;</div>
<div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;        nl_dump_line(p, <span class="stringliteral">&quot;%8d &quot;</span>, (r-&gt;ce_mask &amp; RULE_ATTR_PRIO) ? r-&gt;r_prio : 0);</div>
<div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;        <a class="code" href="group__utils.html#ga527075856a5427170865a6f409298cdf" title="Dump a formatted character string.">nl_dump</a>(p, <span class="stringliteral">&quot;%s &quot;</span>, nl_af2str(r-&gt;r_family, buf, <span class="keyword">sizeof</span>(buf)));</div>
<div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;</div>
<div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;        <span class="keywordflow">if</span> (r-&gt;ce_mask &amp; RULE_ATTR_SRC)</div>
<div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;                <a class="code" href="group__utils.html#ga527075856a5427170865a6f409298cdf" title="Dump a formatted character string.">nl_dump</a>(p, <span class="stringliteral">&quot;from %s &quot;</span>,</div>
<div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;                        <a class="code" href="group__addr.html#ga6471f04b9fa8ef1d4af1bf2b87b49529" title="Convert abstract address object to character string.">nl_addr2str</a>(r-&gt;r_src, buf, <span class="keyword">sizeof</span>(buf)));</div>
<div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160;</div>
<div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160;        <span class="keywordflow">if</span> (r-&gt;ce_mask &amp; RULE_ATTR_DST)</div>
<div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;                <a class="code" href="group__utils.html#ga527075856a5427170865a6f409298cdf" title="Dump a formatted character string.">nl_dump</a>(p, <span class="stringliteral">&quot;to %s &quot;</span>,</div>
<div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160;                        <a class="code" href="group__addr.html#ga6471f04b9fa8ef1d4af1bf2b87b49529" title="Convert abstract address object to character string.">nl_addr2str</a>(r-&gt;r_dst, buf, <span class="keyword">sizeof</span>(buf)));</div>
<div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;</div>
<div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160;        <span class="keywordflow">if</span> (r-&gt;ce_mask &amp; RULE_ATTR_DSFIELD)</div>
<div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;                <a class="code" href="group__utils.html#ga527075856a5427170865a6f409298cdf" title="Dump a formatted character string.">nl_dump</a>(p, <span class="stringliteral">&quot;tos %u &quot;</span>, r-&gt;r_dsfield);</div>
<div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;</div>
<div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;        <span class="keywordflow">if</span> (r-&gt;ce_mask &amp; (RULE_ATTR_MARK | RULE_ATTR_MASK))</div>
<div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160;                <a class="code" href="group__utils.html#ga527075856a5427170865a6f409298cdf" title="Dump a formatted character string.">nl_dump</a>(p, <span class="stringliteral">&quot;mark %#x/%#x&quot;</span>, r-&gt;r_mark, r-&gt;r_mask);</div>
<div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;</div>
<div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;        <span class="keywordflow">if</span> (r-&gt;ce_mask &amp; RULE_ATTR_IIFNAME)</div>
<div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;                <a class="code" href="group__utils.html#ga527075856a5427170865a6f409298cdf" title="Dump a formatted character string.">nl_dump</a>(p, <span class="stringliteral">&quot;iif %s &quot;</span>, r-&gt;r_iifname);</div>
<div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;</div>
<div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160;        <span class="keywordflow">if</span> (r-&gt;ce_mask &amp; RULE_ATTR_OIFNAME)</div>
<div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160;                <a class="code" href="group__utils.html#ga527075856a5427170865a6f409298cdf" title="Dump a formatted character string.">nl_dump</a>(p, <span class="stringliteral">&quot;oif %s &quot;</span>, r-&gt;r_oifname);</div>
<div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160;</div>
<div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;        <span class="keywordflow">if</span> (r-&gt;ce_mask &amp; RULE_ATTR_TABLE)</div>
<div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160;                <a class="code" href="group__utils.html#ga527075856a5427170865a6f409298cdf" title="Dump a formatted character string.">nl_dump</a>(p, <span class="stringliteral">&quot;lookup %s &quot;</span>,</div>
<div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160;                        rtnl_route_table2str(r-&gt;r_table, buf, <span class="keyword">sizeof</span>(buf)));</div>
<div class="line"><a name="l00221"></a><span class="lineno">  221</span>&#160;</div>
<div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160;        <span class="keywordflow">if</span> (r-&gt;ce_mask &amp; RULE_ATTR_FLOW)</div>
<div class="line"><a name="l00223"></a><span class="lineno">  223</span>&#160;                <a class="code" href="group__utils.html#ga527075856a5427170865a6f409298cdf" title="Dump a formatted character string.">nl_dump</a>(p, <span class="stringliteral">&quot;flow %s &quot;</span>,</div>
<div class="line"><a name="l00224"></a><span class="lineno">  224</span>&#160;                        rtnl_realms2str(r-&gt;r_flow, buf, <span class="keyword">sizeof</span>(buf)));</div>
<div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160;</div>
<div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160;        <span class="keywordflow">if</span> (r-&gt;ce_mask &amp; RULE_ATTR_GOTO)</div>
<div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160;                <a class="code" href="group__utils.html#ga527075856a5427170865a6f409298cdf" title="Dump a formatted character string.">nl_dump</a>(p, <span class="stringliteral">&quot;goto %u &quot;</span>, r-&gt;r_goto);</div>
<div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160;</div>
<div class="line"><a name="l00229"></a><span class="lineno">  229</span>&#160;        <span class="keywordflow">if</span> (r-&gt;ce_mask &amp; RULE_ATTR_ACTION)</div>
<div class="line"><a name="l00230"></a><span class="lineno">  230</span>&#160;                <a class="code" href="group__utils.html#ga527075856a5427170865a6f409298cdf" title="Dump a formatted character string.">nl_dump</a>(p, <span class="stringliteral">&quot;action %s&quot;</span>,</div>
<div class="line"><a name="l00231"></a><span class="lineno">  231</span>&#160;                        nl_rtntype2str(r-&gt;r_action, buf, <span class="keyword">sizeof</span>(buf)));</div>
<div class="line"><a name="l00232"></a><span class="lineno">  232</span>&#160;</div>
<div class="line"><a name="l00233"></a><span class="lineno">  233</span>&#160;        <a class="code" href="group__utils.html#ga527075856a5427170865a6f409298cdf" title="Dump a formatted character string.">nl_dump</a>(p, <span class="stringliteral">&quot;\n&quot;</span>);</div>
<div class="line"><a name="l00234"></a><span class="lineno">  234</span>&#160;}</div>
<div class="line"><a name="l00235"></a><span class="lineno">  235</span>&#160;</div>
<div class="line"><a name="l00236"></a><span class="lineno">  236</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> rule_dump_details(<span class="keyword">struct</span> nl_object *obj, <span class="keyword">struct</span> <a class="code" href="structnl__dump__params.html" title="Dumping parameters.">nl_dump_params</a> *p)</div>
<div class="line"><a name="l00237"></a><span class="lineno">  237</span>&#160;{</div>
<div class="line"><a name="l00238"></a><span class="lineno">  238</span>&#160;        rule_dump_line(obj, p);</div>
<div class="line"><a name="l00239"></a><span class="lineno">  239</span>&#160;}</div>
<div class="line"><a name="l00240"></a><span class="lineno">  240</span>&#160;</div>
<div class="line"><a name="l00241"></a><span class="lineno">  241</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> rule_dump_stats(<span class="keyword">struct</span> nl_object *obj, <span class="keyword">struct</span> <a class="code" href="structnl__dump__params.html" title="Dumping parameters.">nl_dump_params</a> *p)</div>
<div class="line"><a name="l00242"></a><span class="lineno">  242</span>&#160;{</div>
<div class="line"><a name="l00243"></a><span class="lineno">  243</span>&#160;        rule_dump_details(obj, p);</div>
<div class="line"><a name="l00244"></a><span class="lineno">  244</span>&#160;}</div>
<div class="line"><a name="l00245"></a><span class="lineno">  245</span>&#160;</div>
<div class="line"><a name="l00246"></a><span class="lineno">  246</span>&#160;<span class="preprocessor">#define RULE_ATTR_FLAGS         0x0008</span></div>
<div class="line"><a name="l00247"></a><span class="lineno">  247</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00248"></a><span class="lineno">  248</span>&#160;<span class="keyword">static</span> <span class="keywordtype">int</span> rule_compare(<span class="keyword">struct</span> nl_object *_a, <span class="keyword">struct</span> nl_object *_b,</div>
<div class="line"><a name="l00249"></a><span class="lineno">  249</span>&#160;                        uint32_t attrs, <span class="keywordtype">int</span> flags)</div>
<div class="line"><a name="l00250"></a><span class="lineno">  250</span>&#160;{</div>
<div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160;        <span class="keyword">struct </span>rtnl_rule *a = (<span class="keyword">struct </span>rtnl_rule *) _a;</div>
<div class="line"><a name="l00252"></a><span class="lineno">  252</span>&#160;        <span class="keyword">struct </span>rtnl_rule *b = (<span class="keyword">struct </span>rtnl_rule *) _b;</div>
<div class="line"><a name="l00253"></a><span class="lineno">  253</span>&#160;        <span class="keywordtype">int</span> diff = 0;</div>
<div class="line"><a name="l00254"></a><span class="lineno">  254</span>&#160;</div>
<div class="line"><a name="l00255"></a><span class="lineno">  255</span>&#160;<span class="preprocessor">#define RULE_DIFF(ATTR, EXPR) ATTR_DIFF(attrs, RULE_ATTR_##ATTR, a, b, EXPR)</span></div>
<div class="line"><a name="l00256"></a><span class="lineno">  256</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00257"></a><span class="lineno">  257</span>&#160;        diff |= RULE_DIFF(FAMILY,       a-&gt;r_family != b-&gt;r_family);</div>
<div class="line"><a name="l00258"></a><span class="lineno">  258</span>&#160;        diff |= RULE_DIFF(TABLE,        a-&gt;r_table != b-&gt;r_table);</div>
<div class="line"><a name="l00259"></a><span class="lineno">  259</span>&#160;        diff |= RULE_DIFF(ACTION,       a-&gt;r_action != b-&gt;r_action);</div>
<div class="line"><a name="l00260"></a><span class="lineno">  260</span>&#160;        diff |= RULE_DIFF(IIFNAME,      strcmp(a-&gt;r_iifname, b-&gt;r_iifname));</div>
<div class="line"><a name="l00261"></a><span class="lineno">  261</span>&#160;        diff |= RULE_DIFF(OIFNAME,      strcmp(a-&gt;r_oifname, b-&gt;r_oifname));</div>
<div class="line"><a name="l00262"></a><span class="lineno">  262</span>&#160;        diff |= RULE_DIFF(PRIO,         a-&gt;r_prio != b-&gt;r_prio);</div>
<div class="line"><a name="l00263"></a><span class="lineno">  263</span>&#160;        diff |= RULE_DIFF(MARK,         a-&gt;r_mark != b-&gt;r_mark);</div>
<div class="line"><a name="l00264"></a><span class="lineno">  264</span>&#160;        diff |= RULE_DIFF(MASK,         a-&gt;r_mask != b-&gt;r_mask);</div>
<div class="line"><a name="l00265"></a><span class="lineno">  265</span>&#160;        diff |= RULE_DIFF(GOTO,         a-&gt;r_goto != b-&gt;r_goto);</div>
<div class="line"><a name="l00266"></a><span class="lineno">  266</span>&#160;        diff |= RULE_DIFF(SRC,          <a class="code" href="group__addr.html#ga3b85d180a4f6d2df86be1dc8798a7d9a" title="Compares two abstract address objects.">nl_addr_cmp</a>(a-&gt;r_src, b-&gt;r_src));</div>
<div class="line"><a name="l00267"></a><span class="lineno">  267</span>&#160;        diff |= RULE_DIFF(DST,          <a class="code" href="group__addr.html#ga3b85d180a4f6d2df86be1dc8798a7d9a" title="Compares two abstract address objects.">nl_addr_cmp</a>(a-&gt;r_dst, b-&gt;r_dst));</div>
<div class="line"><a name="l00268"></a><span class="lineno">  268</span>&#160;        diff |= RULE_DIFF(DSFIELD,      a-&gt;r_dsfield != b-&gt;r_dsfield);</div>
<div class="line"><a name="l00269"></a><span class="lineno">  269</span>&#160;        diff |= RULE_DIFF(FLOW,         a-&gt;r_flow != b-&gt;r_flow);</div>
<div class="line"><a name="l00270"></a><span class="lineno">  270</span>&#160;        </div>
<div class="line"><a name="l00271"></a><span class="lineno">  271</span>&#160;<span class="preprocessor">#undef RULE_DIFF</span></div>
<div class="line"><a name="l00272"></a><span class="lineno">  272</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00273"></a><span class="lineno">  273</span>&#160;        <span class="keywordflow">return</span> diff;</div>
<div class="line"><a name="l00274"></a><span class="lineno">  274</span>&#160;}</div>
<div class="line"><a name="l00275"></a><span class="lineno">  275</span>&#160;</div>
<div class="line"><a name="l00276"></a><span class="lineno">  276</span>&#160;<span class="keyword">static</span> <span class="keyword">const</span> <span class="keyword">struct </span>trans_tbl rule_attrs[] = {</div>
<div class="line"><a name="l00277"></a><span class="lineno">  277</span>&#160;        __ADD(RULE_ATTR_FAMILY, family)</div>
<div class="line"><a name="l00278"></a><span class="lineno">  278</span>&#160;        __ADD(RULE_ATTR_TABLE, table)</div>
<div class="line"><a name="l00279"></a><span class="lineno">  279</span>&#160;        __ADD(RULE_ATTR_ACTION, action)</div>
<div class="line"><a name="l00280"></a><span class="lineno">  280</span>&#160;        __ADD(RULE_ATTR_IIFNAME, iifname)</div>
<div class="line"><a name="l00281"></a><span class="lineno">  281</span>&#160;        __ADD(RULE_ATTR_OIFNAME, oifname)</div>
<div class="line"><a name="l00282"></a><span class="lineno">  282</span>&#160;        __ADD(RULE_ATTR_PRIO, prio)</div>
<div class="line"><a name="l00283"></a><span class="lineno">  283</span>&#160;        __ADD(RULE_ATTR_MARK, mark)</div>
<div class="line"><a name="l00284"></a><span class="lineno">  284</span>&#160;        __ADD(RULE_ATTR_MASK, mask)</div>
<div class="line"><a name="l00285"></a><span class="lineno">  285</span>&#160;        __ADD(RULE_ATTR_GOTO, goto)</div>
<div class="line"><a name="l00286"></a><span class="lineno">  286</span>&#160;        __ADD(RULE_ATTR_SRC, src)</div>
<div class="line"><a name="l00287"></a><span class="lineno">  287</span>&#160;        __ADD(RULE_ATTR_DST, dst)</div>
<div class="line"><a name="l00288"></a><span class="lineno">  288</span>&#160;        __ADD(RULE_ATTR_DSFIELD, dsfield)</div>
<div class="line"><a name="l00289"></a><span class="lineno">  289</span>&#160;        __ADD(RULE_ATTR_FLOW, flow)</div>
<div class="line"><a name="l00290"></a><span class="lineno">  290</span>&#160;};</div>
<div class="line"><a name="l00291"></a><span class="lineno">  291</span>&#160;</div>
<div class="line"><a name="l00292"></a><span class="lineno">  292</span>&#160;static <span class="keywordtype">char</span> *rule_attrs2str(<span class="keywordtype">int</span> attrs, <span class="keywordtype">char</span> *buf, <span class="keywordtype">size_t</span> len)</div>
<div class="line"><a name="l00293"></a><span class="lineno">  293</span>&#160;{</div>
<div class="line"><a name="l00294"></a><span class="lineno">  294</span>&#160;        <span class="keywordflow">return</span> __flags2str(attrs, buf, len, rule_attrs,</div>
<div class="line"><a name="l00295"></a><span class="lineno">  295</span>&#160;                           ARRAY_SIZE(rule_attrs));</div>
<div class="line"><a name="l00296"></a><span class="lineno">  296</span>&#160;}</div>
<div class="line"><a name="l00297"></a><span class="lineno">  297</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00298"></a><span class="lineno">  298</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00299"></a><span class="lineno">  299</span>&#160;<span class="comment"> * @name Allocation/Freeing</span></div>
<div class="line"><a name="l00300"></a><span class="lineno">  300</span>&#160;<span class="comment"> * @{</span></div>
<div class="line"><a name="l00301"></a><span class="lineno">  301</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00302"></a><span class="lineno">  302</span>&#160;</div>
<div class="line"><a name="l00303"></a><span class="lineno">  303</span>&#160;<span class="keyword">struct </span>rtnl_rule *rtnl_rule_alloc(<span class="keywordtype">void</span>)</div>
<div class="line"><a name="l00304"></a><span class="lineno">  304</span>&#160;{</div>
<div class="line"><a name="l00305"></a><span class="lineno">  305</span>&#160;        <span class="keywordflow">return</span> (<span class="keyword">struct</span> rtnl_rule *) <a class="code" href="group__object.html#ga9c1f2fd887d8325839f452879cdf982a" title="Allocate a new object of kind specified by the operations handle.">nl_object_alloc</a>(&amp;rule_obj_ops);</div>
<div class="line"><a name="l00306"></a><span class="lineno">  306</span>&#160;}</div>
<div class="line"><a name="l00307"></a><span class="lineno">  307</span>&#160;</div>
<div class="line"><a name="l00308"></a><span class="lineno">  308</span>&#160;<span class="keywordtype">void</span> rtnl_rule_put(<span class="keyword">struct</span> rtnl_rule *rule)</div>
<div class="line"><a name="l00309"></a><span class="lineno">  309</span>&#160;{</div>
<div class="line"><a name="l00310"></a><span class="lineno">  310</span>&#160;        <a class="code" href="group__object.html#ga9905da094bf4c03cf4ac78aeaa86a12b" title="Release a reference from an object.">nl_object_put</a>((<span class="keyword">struct</span> nl_object *) rule);</div>
<div class="line"><a name="l00311"></a><span class="lineno">  311</span>&#160;}</div>
<div class="line"><a name="l00312"></a><span class="lineno">  312</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00313"></a><span class="lineno">  313</span>&#160;<span class="comment">/** @} */</span></div>
<div class="line"><a name="l00314"></a><span class="lineno">  314</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00315"></a><span class="lineno">  315</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00316"></a><span class="lineno">  316</span>&#160;<span class="comment"> * @name Cache Management</span></div>
<div class="line"><a name="l00317"></a><span class="lineno">  317</span>&#160;<span class="comment"> * @{</span></div>
<div class="line"><a name="l00318"></a><span class="lineno">  318</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00319"></a><span class="lineno">  319</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00320"></a><span class="lineno">  320</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00321"></a><span class="lineno">  321</span>&#160;<span class="comment"> * Build a rule cache including all rules currently configured in the kernel.</span></div>
<div class="line"><a name="l00322"></a><span class="lineno">  322</span>&#160;<span class="comment"> * @arg sock            Netlink socket.</span></div>
<div class="line"><a name="l00323"></a><span class="lineno">  323</span>&#160;<span class="comment"> * @arg family          Address family or AF_UNSPEC.</span></div>
<div class="line"><a name="l00324"></a><span class="lineno">  324</span>&#160;<span class="comment"> * @arg result          Pointer to store resulting cache.</span></div>
<div class="line"><a name="l00325"></a><span class="lineno">  325</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00326"></a><span class="lineno">  326</span>&#160;<span class="comment"> * Allocates a new rule cache, initializes it properly and updates it</span></div>
<div class="line"><a name="l00327"></a><span class="lineno">  327</span>&#160;<span class="comment"> * to include all rules currently configured in the kernel.</span></div>
<div class="line"><a name="l00328"></a><span class="lineno">  328</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00329"></a><span class="lineno">  329</span>&#160;<span class="comment"> * @return 0 on success or a negative error code.</span></div>
<div class="line"><a name="l00330"></a><span class="lineno">  330</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00331"></a><span class="lineno"><a class="code" href="group__rule.html#ga9b8a00b362e802af16b02fa656dadeb4">  331</a></span>&#160;<span class="keywordtype">int</span> <a class="code" href="group__rule.html#ga9b8a00b362e802af16b02fa656dadeb4" title="Build a rule cache including all rules currently configured in the kernel.">rtnl_rule_alloc_cache</a>(<span class="keyword">struct</span> nl_sock *sock, <span class="keywordtype">int</span> family,</div>
<div class="line"><a name="l00332"></a><span class="lineno">  332</span>&#160;                          <span class="keyword">struct</span> nl_cache **result)</div>
<div class="line"><a name="l00333"></a><span class="lineno">  333</span>&#160;{</div>
<div class="line"><a name="l00334"></a><span class="lineno">  334</span>&#160;        <span class="keyword">struct </span>nl_cache * cache;</div>
<div class="line"><a name="l00335"></a><span class="lineno">  335</span>&#160;        <span class="keywordtype">int</span> err;</div>
<div class="line"><a name="l00336"></a><span class="lineno">  336</span>&#160;</div>
<div class="line"><a name="l00337"></a><span class="lineno">  337</span>&#160;        <span class="keywordflow">if</span> (!(cache = <a class="code" href="group__cache.html#ga9520ae0f2158db3c081f34c851d92252" title="Allocate new cache.">nl_cache_alloc</a>(&amp;rtnl_rule_ops)))</div>
<div class="line"><a name="l00338"></a><span class="lineno">  338</span>&#160;                <span class="keywordflow">return</span> -NLE_NOMEM;</div>
<div class="line"><a name="l00339"></a><span class="lineno">  339</span>&#160;</div>
<div class="line"><a name="l00340"></a><span class="lineno">  340</span>&#160;        cache-&gt;c_iarg1 = family;</div>
<div class="line"><a name="l00341"></a><span class="lineno">  341</span>&#160;</div>
<div class="line"><a name="l00342"></a><span class="lineno">  342</span>&#160;        <span class="keywordflow">if</span> (sock &amp;&amp; (err = <a class="code" href="group__cache.html#ga10aacd9aef738dbf9e0e5967272999de" title="(Re)fill a cache with the contents in the kernel.">nl_cache_refill</a>(sock, cache)) &lt; 0) {</div>
<div class="line"><a name="l00343"></a><span class="lineno">  343</span>&#160;                free(cache);</div>
<div class="line"><a name="l00344"></a><span class="lineno">  344</span>&#160;                <span class="keywordflow">return</span> err;</div>
<div class="line"><a name="l00345"></a><span class="lineno">  345</span>&#160;        }</div>
<div class="line"><a name="l00346"></a><span class="lineno">  346</span>&#160;</div>
<div class="line"><a name="l00347"></a><span class="lineno">  347</span>&#160;        *result = cache;</div>
<div class="line"><a name="l00348"></a><span class="lineno">  348</span>&#160;        <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00349"></a><span class="lineno">  349</span>&#160;}</div>
<div class="line"><a name="l00350"></a><span class="lineno">  350</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00351"></a><span class="lineno">  351</span>&#160;<span class="comment">/** @} */</span></div>
<div class="line"><a name="l00352"></a><span class="lineno">  352</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00353"></a><span class="lineno">  353</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00354"></a><span class="lineno">  354</span>&#160;<span class="comment"> * @name Rule Addition</span></div>
<div class="line"><a name="l00355"></a><span class="lineno">  355</span>&#160;<span class="comment"> * @{</span></div>
<div class="line"><a name="l00356"></a><span class="lineno">  356</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00357"></a><span class="lineno">  357</span>&#160;</div>
<div class="line"><a name="l00358"></a><span class="lineno">  358</span>&#160;<span class="keyword">static</span> <span class="keywordtype">int</span> build_rule_msg(<span class="keyword">struct</span> rtnl_rule *tmpl, <span class="keywordtype">int</span> cmd, <span class="keywordtype">int</span> flags,</div>
<div class="line"><a name="l00359"></a><span class="lineno">  359</span>&#160;                          <span class="keyword">struct</span> nl_msg **result)</div>
<div class="line"><a name="l00360"></a><span class="lineno">  360</span>&#160;{</div>
<div class="line"><a name="l00361"></a><span class="lineno">  361</span>&#160;        <span class="keyword">struct </span>nl_msg *msg;</div>
<div class="line"><a name="l00362"></a><span class="lineno">  362</span>&#160;        <span class="keyword">struct </span>fib_rule_hdr frh = {</div>
<div class="line"><a name="l00363"></a><span class="lineno">  363</span>&#160;                .family = tmpl-&gt;r_family,</div>
<div class="line"><a name="l00364"></a><span class="lineno">  364</span>&#160;                .table = tmpl-&gt;r_table,</div>
<div class="line"><a name="l00365"></a><span class="lineno">  365</span>&#160;                .action = tmpl-&gt;r_action,</div>
<div class="line"><a name="l00366"></a><span class="lineno">  366</span>&#160;                .flags = tmpl-&gt;r_flags,</div>
<div class="line"><a name="l00367"></a><span class="lineno">  367</span>&#160;                .tos = tmpl-&gt;r_dsfield,</div>
<div class="line"><a name="l00368"></a><span class="lineno">  368</span>&#160;        };</div>
<div class="line"><a name="l00369"></a><span class="lineno">  369</span>&#160;</div>
<div class="line"><a name="l00370"></a><span class="lineno">  370</span>&#160;        <span class="keywordflow">if</span> (!(tmpl-&gt;ce_mask &amp; RULE_ATTR_FAMILY))</div>
<div class="line"><a name="l00371"></a><span class="lineno">  371</span>&#160;                <span class="keywordflow">return</span> -NLE_MISSING_ATTR;</div>
<div class="line"><a name="l00372"></a><span class="lineno">  372</span>&#160;</div>
<div class="line"><a name="l00373"></a><span class="lineno">  373</span>&#160;        msg = <a class="code" href="group__msg.html#ga580d8697d19050c55060bc10ab4eae9f" title="Allocate a new netlink message.">nlmsg_alloc_simple</a>(cmd, flags);</div>
<div class="line"><a name="l00374"></a><span class="lineno">  374</span>&#160;        <span class="keywordflow">if</span> (!msg)</div>
<div class="line"><a name="l00375"></a><span class="lineno">  375</span>&#160;                <span class="keywordflow">return</span> -NLE_NOMEM;</div>
<div class="line"><a name="l00376"></a><span class="lineno">  376</span>&#160;</div>
<div class="line"><a name="l00377"></a><span class="lineno">  377</span>&#160;        <span class="keywordflow">if</span> (tmpl-&gt;ce_mask &amp; RULE_ATTR_SRC) </div>
<div class="line"><a name="l00378"></a><span class="lineno">  378</span>&#160;                frh.src_len = <a class="code" href="group__addr.html#gabaeaaa163f115fff9318424fc9bd304b" title="Get prefix length of abstract address object.">nl_addr_get_prefixlen</a>(tmpl-&gt;r_src);</div>
<div class="line"><a name="l00379"></a><span class="lineno">  379</span>&#160;</div>
<div class="line"><a name="l00380"></a><span class="lineno">  380</span>&#160;        <span class="keywordflow">if</span> (tmpl-&gt;ce_mask &amp; RULE_ATTR_DST)</div>
<div class="line"><a name="l00381"></a><span class="lineno">  381</span>&#160;                frh.dst_len = <a class="code" href="group__addr.html#gabaeaaa163f115fff9318424fc9bd304b" title="Get prefix length of abstract address object.">nl_addr_get_prefixlen</a>(tmpl-&gt;r_dst);</div>
<div class="line"><a name="l00382"></a><span class="lineno">  382</span>&#160;</div>
<div class="line"><a name="l00383"></a><span class="lineno">  383</span>&#160;        <span class="keywordflow">if</span> (<a class="code" href="group__msg.html#gacc5e5ade5675d041f86c7c8693f7088d" title="Append data to tail of a netlink message.">nlmsg_append</a>(msg, &amp;frh, <span class="keyword">sizeof</span>(frh), NLMSG_ALIGNTO) &lt; 0)</div>
<div class="line"><a name="l00384"></a><span class="lineno">  384</span>&#160;                <span class="keywordflow">goto</span> nla_put_failure;</div>
<div class="line"><a name="l00385"></a><span class="lineno">  385</span>&#160;</div>
<div class="line"><a name="l00386"></a><span class="lineno">  386</span>&#160;        <span class="comment">/* Additional table attribute replacing the 8bit in the header, was</span></div>
<div class="line"><a name="l00387"></a><span class="lineno">  387</span>&#160;<span class="comment">         * required to allow more than 256 tables. */</span></div>
<div class="line"><a name="l00388"></a><span class="lineno">  388</span>&#160;        <a class="code" href="group__attr.html#ga7a6c08ff8d41ccefde252506e2891b54" title="Add 32 bit integer attribute to netlink message.">NLA_PUT_U32</a>(msg, FRA_TABLE, tmpl-&gt;r_table);</div>
<div class="line"><a name="l00389"></a><span class="lineno">  389</span>&#160;</div>
<div class="line"><a name="l00390"></a><span class="lineno">  390</span>&#160;        <span class="keywordflow">if</span> (tmpl-&gt;ce_mask &amp; RULE_ATTR_SRC)</div>
<div class="line"><a name="l00391"></a><span class="lineno">  391</span>&#160;                <a class="code" href="group__attr.html#ga4baef6ddd6cc398917079c7d8ab12c61" title="Add address attribute to netlink message.">NLA_PUT_ADDR</a>(msg, FRA_SRC, tmpl-&gt;r_src);</div>
<div class="line"><a name="l00392"></a><span class="lineno">  392</span>&#160;</div>
<div class="line"><a name="l00393"></a><span class="lineno">  393</span>&#160;        <span class="keywordflow">if</span> (tmpl-&gt;ce_mask &amp; RULE_ATTR_DST) </div>
<div class="line"><a name="l00394"></a><span class="lineno">  394</span>&#160;                <a class="code" href="group__attr.html#ga4baef6ddd6cc398917079c7d8ab12c61" title="Add address attribute to netlink message.">NLA_PUT_ADDR</a>(msg, FRA_DST, tmpl-&gt;r_dst);</div>
<div class="line"><a name="l00395"></a><span class="lineno">  395</span>&#160;</div>
<div class="line"><a name="l00396"></a><span class="lineno">  396</span>&#160;        <span class="keywordflow">if</span> (tmpl-&gt;ce_mask &amp; RULE_ATTR_IIFNAME)</div>
<div class="line"><a name="l00397"></a><span class="lineno">  397</span>&#160;                <a class="code" href="group__attr.html#gacc00ea721bfef8c86db542193d4a3d5c" title="Add string attribute to netlink message.">NLA_PUT_STRING</a>(msg, FRA_IIFNAME, tmpl-&gt;r_iifname);</div>
<div class="line"><a name="l00398"></a><span class="lineno">  398</span>&#160;</div>
<div class="line"><a name="l00399"></a><span class="lineno">  399</span>&#160;        <span class="keywordflow">if</span> (tmpl-&gt;ce_mask &amp; RULE_ATTR_OIFNAME)</div>
<div class="line"><a name="l00400"></a><span class="lineno">  400</span>&#160;                <a class="code" href="group__attr.html#gacc00ea721bfef8c86db542193d4a3d5c" title="Add string attribute to netlink message.">NLA_PUT_STRING</a>(msg, FRA_OIFNAME, tmpl-&gt;r_oifname);</div>
<div class="line"><a name="l00401"></a><span class="lineno">  401</span>&#160;</div>
<div class="line"><a name="l00402"></a><span class="lineno">  402</span>&#160;        <span class="keywordflow">if</span> (tmpl-&gt;ce_mask &amp; RULE_ATTR_PRIO)</div>
<div class="line"><a name="l00403"></a><span class="lineno">  403</span>&#160;                <a class="code" href="group__attr.html#ga7a6c08ff8d41ccefde252506e2891b54" title="Add 32 bit integer attribute to netlink message.">NLA_PUT_U32</a>(msg, FRA_PRIORITY, tmpl-&gt;r_prio);</div>
<div class="line"><a name="l00404"></a><span class="lineno">  404</span>&#160;</div>
<div class="line"><a name="l00405"></a><span class="lineno">  405</span>&#160;        <span class="keywordflow">if</span> (tmpl-&gt;ce_mask &amp; RULE_ATTR_MARK)</div>
<div class="line"><a name="l00406"></a><span class="lineno">  406</span>&#160;                <a class="code" href="group__attr.html#ga7a6c08ff8d41ccefde252506e2891b54" title="Add 32 bit integer attribute to netlink message.">NLA_PUT_U32</a>(msg, FRA_FWMARK, tmpl-&gt;r_mark);</div>
<div class="line"><a name="l00407"></a><span class="lineno">  407</span>&#160;</div>
<div class="line"><a name="l00408"></a><span class="lineno">  408</span>&#160;        <span class="keywordflow">if</span> (tmpl-&gt;ce_mask &amp; RULE_ATTR_MASK)</div>
<div class="line"><a name="l00409"></a><span class="lineno">  409</span>&#160;                <a class="code" href="group__attr.html#ga7a6c08ff8d41ccefde252506e2891b54" title="Add 32 bit integer attribute to netlink message.">NLA_PUT_U32</a>(msg, FRA_FWMASK, tmpl-&gt;r_mask);</div>
<div class="line"><a name="l00410"></a><span class="lineno">  410</span>&#160;</div>
<div class="line"><a name="l00411"></a><span class="lineno">  411</span>&#160;        <span class="keywordflow">if</span> (tmpl-&gt;ce_mask &amp; RULE_ATTR_GOTO)</div>
<div class="line"><a name="l00412"></a><span class="lineno">  412</span>&#160;                <a class="code" href="group__attr.html#ga7a6c08ff8d41ccefde252506e2891b54" title="Add 32 bit integer attribute to netlink message.">NLA_PUT_U32</a>(msg, FRA_GOTO, tmpl-&gt;r_goto);</div>
<div class="line"><a name="l00413"></a><span class="lineno">  413</span>&#160;</div>
<div class="line"><a name="l00414"></a><span class="lineno">  414</span>&#160;        <span class="keywordflow">if</span> (tmpl-&gt;ce_mask &amp; RULE_ATTR_FLOW)</div>
<div class="line"><a name="l00415"></a><span class="lineno">  415</span>&#160;                <a class="code" href="group__attr.html#ga7a6c08ff8d41ccefde252506e2891b54" title="Add 32 bit integer attribute to netlink message.">NLA_PUT_U32</a>(msg, FRA_FLOW, tmpl-&gt;r_flow);</div>
<div class="line"><a name="l00416"></a><span class="lineno">  416</span>&#160;</div>
<div class="line"><a name="l00417"></a><span class="lineno">  417</span>&#160;</div>
<div class="line"><a name="l00418"></a><span class="lineno">  418</span>&#160;        *result = msg;</div>
<div class="line"><a name="l00419"></a><span class="lineno">  419</span>&#160;        <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00420"></a><span class="lineno">  420</span>&#160;</div>
<div class="line"><a name="l00421"></a><span class="lineno">  421</span>&#160;nla_put_failure:</div>
<div class="line"><a name="l00422"></a><span class="lineno">  422</span>&#160;        <a class="code" href="group__msg.html#ga6fb0fda0b5fdc99c786d65cb9c53c6bc" title="Release a reference from an netlink message.">nlmsg_free</a>(msg);</div>
<div class="line"><a name="l00423"></a><span class="lineno">  423</span>&#160;        <span class="keywordflow">return</span> -NLE_MSGSIZE;</div>
<div class="line"><a name="l00424"></a><span class="lineno">  424</span>&#160;}</div>
<div class="line"><a name="l00425"></a><span class="lineno">  425</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00426"></a><span class="lineno">  426</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00427"></a><span class="lineno">  427</span>&#160;<span class="comment"> * Build netlink request message to add a new rule</span></div>
<div class="line"><a name="l00428"></a><span class="lineno">  428</span>&#160;<span class="comment"> * @arg tmpl            template with data of new rule</span></div>
<div class="line"><a name="l00429"></a><span class="lineno">  429</span>&#160;<span class="comment"> * @arg flags           additional netlink message flags</span></div>
<div class="line"><a name="l00430"></a><span class="lineno">  430</span>&#160;<span class="comment"> * @arg result          Result pointer</span></div>
<div class="line"><a name="l00431"></a><span class="lineno">  431</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00432"></a><span class="lineno">  432</span>&#160;<span class="comment"> * Builds a new netlink message requesting a addition of a new</span></div>
<div class="line"><a name="l00433"></a><span class="lineno">  433</span>&#160;<span class="comment"> * rule. The netlink message header isn&#39;t fully equipped with</span></div>
<div class="line"><a name="l00434"></a><span class="lineno">  434</span>&#160;<span class="comment"> * all relevant fields and must thus be sent out via nl_send_auto_complete()</span></div>
<div class="line"><a name="l00435"></a><span class="lineno">  435</span>&#160;<span class="comment"> * or supplemented as needed. \a tmpl must contain the attributes of the new</span></div>
<div class="line"><a name="l00436"></a><span class="lineno">  436</span>&#160;<span class="comment"> * address set via \c rtnl_rule_set_* functions.</span></div>
<div class="line"><a name="l00437"></a><span class="lineno">  437</span>&#160;<span class="comment"> * </span></div>
<div class="line"><a name="l00438"></a><span class="lineno">  438</span>&#160;<span class="comment"> * @return 0 on success or a negative error code.</span></div>
<div class="line"><a name="l00439"></a><span class="lineno">  439</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00440"></a><span class="lineno"><a class="code" href="group__rule.html#gac1525a0fa9ffdd715eeb3568f0384f47">  440</a></span>&#160;<span class="keywordtype">int</span> <a class="code" href="group__rule.html#gac1525a0fa9ffdd715eeb3568f0384f47" title="Build netlink request message to add a new rule.">rtnl_rule_build_add_request</a>(<span class="keyword">struct</span> rtnl_rule *tmpl, <span class="keywordtype">int</span> flags,</div>
<div class="line"><a name="l00441"></a><span class="lineno">  441</span>&#160;                                <span class="keyword">struct</span> nl_msg **result)</div>
<div class="line"><a name="l00442"></a><span class="lineno">  442</span>&#160;{</div>
<div class="line"><a name="l00443"></a><span class="lineno">  443</span>&#160;        <span class="keywordflow">return</span> build_rule_msg(tmpl, RTM_NEWRULE, NLM_F_CREATE | flags,</div>
<div class="line"><a name="l00444"></a><span class="lineno">  444</span>&#160;                              result);</div>
<div class="line"><a name="l00445"></a><span class="lineno">  445</span>&#160;}</div>
<div class="line"><a name="l00446"></a><span class="lineno">  446</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00447"></a><span class="lineno">  447</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00448"></a><span class="lineno">  448</span>&#160;<span class="comment"> * Add a new rule</span></div>
<div class="line"><a name="l00449"></a><span class="lineno">  449</span>&#160;<span class="comment"> * @arg sk              Netlink socket.</span></div>
<div class="line"><a name="l00450"></a><span class="lineno">  450</span>&#160;<span class="comment"> * @arg tmpl            template with requested changes</span></div>
<div class="line"><a name="l00451"></a><span class="lineno">  451</span>&#160;<span class="comment"> * @arg flags           additional netlink message flags</span></div>
<div class="line"><a name="l00452"></a><span class="lineno">  452</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00453"></a><span class="lineno">  453</span>&#160;<span class="comment"> * Builds a netlink message by calling rtnl_rule_build_add_request(),</span></div>
<div class="line"><a name="l00454"></a><span class="lineno">  454</span>&#160;<span class="comment"> * sends the request to the kernel and waits for the next ACK to be</span></div>
<div class="line"><a name="l00455"></a><span class="lineno">  455</span>&#160;<span class="comment"> * received and thus blocks until the request has been fullfilled.</span></div>
<div class="line"><a name="l00456"></a><span class="lineno">  456</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00457"></a><span class="lineno">  457</span>&#160;<span class="comment"> * @return 0 on sucess or a negative error if an error occured.</span></div>
<div class="line"><a name="l00458"></a><span class="lineno">  458</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00459"></a><span class="lineno"><a class="code" href="group__rule.html#gad640daf24ffb56ff57f2ff6191feeab2">  459</a></span>&#160;<span class="keywordtype">int</span> <a class="code" href="group__rule.html#gad640daf24ffb56ff57f2ff6191feeab2" title="Add a new rule.">rtnl_rule_add</a>(<span class="keyword">struct</span> nl_sock *sk, <span class="keyword">struct</span> rtnl_rule *tmpl, <span class="keywordtype">int</span> flags)</div>
<div class="line"><a name="l00460"></a><span class="lineno">  460</span>&#160;{</div>
<div class="line"><a name="l00461"></a><span class="lineno">  461</span>&#160;        <span class="keyword">struct </span>nl_msg *msg;</div>
<div class="line"><a name="l00462"></a><span class="lineno">  462</span>&#160;        <span class="keywordtype">int</span> err;</div>
<div class="line"><a name="l00463"></a><span class="lineno">  463</span>&#160;        </div>
<div class="line"><a name="l00464"></a><span class="lineno">  464</span>&#160;        <span class="keywordflow">if</span> ((err = <a class="code" href="group__rule.html#gac1525a0fa9ffdd715eeb3568f0384f47" title="Build netlink request message to add a new rule.">rtnl_rule_build_add_request</a>(tmpl, flags, &amp;msg)) &lt; 0)</div>
<div class="line"><a name="l00465"></a><span class="lineno">  465</span>&#160;                <span class="keywordflow">return</span> err;</div>
<div class="line"><a name="l00466"></a><span class="lineno">  466</span>&#160;</div>
<div class="line"><a name="l00467"></a><span class="lineno">  467</span>&#160;        err = <a class="code" href="group__send__recv.html#gaabaaad725363ba4654c24dd49a6fd8fd">nl_send_auto_complete</a>(sk, msg);</div>
<div class="line"><a name="l00468"></a><span class="lineno">  468</span>&#160;        <a class="code" href="group__msg.html#ga6fb0fda0b5fdc99c786d65cb9c53c6bc" title="Release a reference from an netlink message.">nlmsg_free</a>(msg);</div>
<div class="line"><a name="l00469"></a><span class="lineno">  469</span>&#160;        <span class="keywordflow">if</span> (err &lt; 0)</div>
<div class="line"><a name="l00470"></a><span class="lineno">  470</span>&#160;                <span class="keywordflow">return</span> err;</div>
<div class="line"><a name="l00471"></a><span class="lineno">  471</span>&#160;</div>
<div class="line"><a name="l00472"></a><span class="lineno">  472</span>&#160;        <span class="keywordflow">return</span> wait_for_ack(sk);</div>
<div class="line"><a name="l00473"></a><span class="lineno">  473</span>&#160;}</div>
<div class="line"><a name="l00474"></a><span class="lineno">  474</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00475"></a><span class="lineno">  475</span>&#160;<span class="comment">/** @} */</span></div>
<div class="line"><a name="l00476"></a><span class="lineno">  476</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00477"></a><span class="lineno">  477</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00478"></a><span class="lineno">  478</span>&#160;<span class="comment"> * @name Rule Deletion</span></div>
<div class="line"><a name="l00479"></a><span class="lineno">  479</span>&#160;<span class="comment"> * @{</span></div>
<div class="line"><a name="l00480"></a><span class="lineno">  480</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00481"></a><span class="lineno">  481</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00482"></a><span class="lineno">  482</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00483"></a><span class="lineno">  483</span>&#160;<span class="comment"> * Build a netlink request message to delete a rule</span></div>
<div class="line"><a name="l00484"></a><span class="lineno">  484</span>&#160;<span class="comment"> * @arg rule            rule to delete</span></div>
<div class="line"><a name="l00485"></a><span class="lineno">  485</span>&#160;<span class="comment"> * @arg flags           additional netlink message flags</span></div>
<div class="line"><a name="l00486"></a><span class="lineno">  486</span>&#160;<span class="comment"> * @arg result          Result pointer</span></div>
<div class="line"><a name="l00487"></a><span class="lineno">  487</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00488"></a><span class="lineno">  488</span>&#160;<span class="comment"> * Builds a new netlink message requesting a deletion of a rule.</span></div>
<div class="line"><a name="l00489"></a><span class="lineno">  489</span>&#160;<span class="comment"> * The netlink message header isn&#39;t fully equipped with all relevant</span></div>
<div class="line"><a name="l00490"></a><span class="lineno">  490</span>&#160;<span class="comment"> * fields and must thus be sent out via nl_send_auto_complete()</span></div>
<div class="line"><a name="l00491"></a><span class="lineno">  491</span>&#160;<span class="comment"> * or supplemented as needed. \a rule must point to an existing</span></div>
<div class="line"><a name="l00492"></a><span class="lineno">  492</span>&#160;<span class="comment"> * address.</span></div>
<div class="line"><a name="l00493"></a><span class="lineno">  493</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00494"></a><span class="lineno">  494</span>&#160;<span class="comment"> * @return 0 on success or a negative error code.</span></div>
<div class="line"><a name="l00495"></a><span class="lineno">  495</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00496"></a><span class="lineno"><a class="code" href="group__rule.html#ga5c52df24c2f89843daaa32b64f79b369">  496</a></span>&#160;<span class="keywordtype">int</span> <a class="code" href="group__rule.html#ga5c52df24c2f89843daaa32b64f79b369" title="Build a netlink request message to delete a rule.">rtnl_rule_build_delete_request</a>(<span class="keyword">struct</span> rtnl_rule *rule, <span class="keywordtype">int</span> flags,</div>
<div class="line"><a name="l00497"></a><span class="lineno">  497</span>&#160;                                   <span class="keyword">struct</span> nl_msg **result)</div>
<div class="line"><a name="l00498"></a><span class="lineno">  498</span>&#160;{</div>
<div class="line"><a name="l00499"></a><span class="lineno">  499</span>&#160;        <span class="keywordflow">return</span> build_rule_msg(rule, RTM_DELRULE, flags, result);</div>
<div class="line"><a name="l00500"></a><span class="lineno">  500</span>&#160;}</div>
<div class="line"><a name="l00501"></a><span class="lineno">  501</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00502"></a><span class="lineno">  502</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00503"></a><span class="lineno">  503</span>&#160;<span class="comment"> * Delete a rule</span></div>
<div class="line"><a name="l00504"></a><span class="lineno">  504</span>&#160;<span class="comment"> * @arg sk              Netlink socket.</span></div>
<div class="line"><a name="l00505"></a><span class="lineno">  505</span>&#160;<span class="comment"> * @arg rule            rule to delete</span></div>
<div class="line"><a name="l00506"></a><span class="lineno">  506</span>&#160;<span class="comment"> * @arg flags           additional netlink message flags</span></div>
<div class="line"><a name="l00507"></a><span class="lineno">  507</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00508"></a><span class="lineno">  508</span>&#160;<span class="comment"> * Builds a netlink message by calling rtnl_rule_build_delete_request(),</span></div>
<div class="line"><a name="l00509"></a><span class="lineno">  509</span>&#160;<span class="comment"> * sends the request to the kernel and waits for the next ACK to be</span></div>
<div class="line"><a name="l00510"></a><span class="lineno">  510</span>&#160;<span class="comment"> * received and thus blocks until the request has been fullfilled.</span></div>
<div class="line"><a name="l00511"></a><span class="lineno">  511</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00512"></a><span class="lineno">  512</span>&#160;<span class="comment"> * @return 0 on sucess or a negative error if an error occured.</span></div>
<div class="line"><a name="l00513"></a><span class="lineno">  513</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00514"></a><span class="lineno"><a class="code" href="group__rule.html#ga294945628849ac6945af68a6cfaa56cd">  514</a></span>&#160;<span class="keywordtype">int</span> <a class="code" href="group__rule.html#ga294945628849ac6945af68a6cfaa56cd" title="Delete a rule.">rtnl_rule_delete</a>(<span class="keyword">struct</span> nl_sock *sk, <span class="keyword">struct</span> rtnl_rule *rule, <span class="keywordtype">int</span> flags)</div>
<div class="line"><a name="l00515"></a><span class="lineno">  515</span>&#160;{</div>
<div class="line"><a name="l00516"></a><span class="lineno">  516</span>&#160;        <span class="keyword">struct </span>nl_msg *msg;</div>
<div class="line"><a name="l00517"></a><span class="lineno">  517</span>&#160;        <span class="keywordtype">int</span> err;</div>
<div class="line"><a name="l00518"></a><span class="lineno">  518</span>&#160;        </div>
<div class="line"><a name="l00519"></a><span class="lineno">  519</span>&#160;        <span class="keywordflow">if</span> ((err = <a class="code" href="group__rule.html#ga5c52df24c2f89843daaa32b64f79b369" title="Build a netlink request message to delete a rule.">rtnl_rule_build_delete_request</a>(rule, flags, &amp;msg)) &lt; 0)</div>
<div class="line"><a name="l00520"></a><span class="lineno">  520</span>&#160;                <span class="keywordflow">return</span> err;</div>
<div class="line"><a name="l00521"></a><span class="lineno">  521</span>&#160;</div>
<div class="line"><a name="l00522"></a><span class="lineno">  522</span>&#160;        err = <a class="code" href="group__send__recv.html#gaabaaad725363ba4654c24dd49a6fd8fd">nl_send_auto_complete</a>(sk, msg);</div>
<div class="line"><a name="l00523"></a><span class="lineno">  523</span>&#160;        <a class="code" href="group__msg.html#ga6fb0fda0b5fdc99c786d65cb9c53c6bc" title="Release a reference from an netlink message.">nlmsg_free</a>(msg);</div>
<div class="line"><a name="l00524"></a><span class="lineno">  524</span>&#160;        <span class="keywordflow">if</span> (err &lt; 0)</div>
<div class="line"><a name="l00525"></a><span class="lineno">  525</span>&#160;                <span class="keywordflow">return</span> err;</div>
<div class="line"><a name="l00526"></a><span class="lineno">  526</span>&#160;</div>
<div class="line"><a name="l00527"></a><span class="lineno">  527</span>&#160;        <span class="keywordflow">return</span> wait_for_ack(sk);</div>
<div class="line"><a name="l00528"></a><span class="lineno">  528</span>&#160;}</div>
<div class="line"><a name="l00529"></a><span class="lineno">  529</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00530"></a><span class="lineno">  530</span>&#160;<span class="comment">/** @} */</span></div>
<div class="line"><a name="l00531"></a><span class="lineno">  531</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00532"></a><span class="lineno">  532</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00533"></a><span class="lineno">  533</span>&#160;<span class="comment"> * @name Attribute Modification</span></div>
<div class="line"><a name="l00534"></a><span class="lineno">  534</span>&#160;<span class="comment"> * @{</span></div>
<div class="line"><a name="l00535"></a><span class="lineno">  535</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00536"></a><span class="lineno">  536</span>&#160;</div>
<div class="line"><a name="l00537"></a><span class="lineno">  537</span>&#160;<span class="keywordtype">void</span> rtnl_rule_set_family(<span class="keyword">struct</span> rtnl_rule *rule, <span class="keywordtype">int</span> family)</div>
<div class="line"><a name="l00538"></a><span class="lineno">  538</span>&#160;{</div>
<div class="line"><a name="l00539"></a><span class="lineno">  539</span>&#160;        rule-&gt;r_family = family;</div>
<div class="line"><a name="l00540"></a><span class="lineno">  540</span>&#160;        rule-&gt;ce_mask |= RULE_ATTR_FAMILY;</div>
<div class="line"><a name="l00541"></a><span class="lineno">  541</span>&#160;}</div>
<div class="line"><a name="l00542"></a><span class="lineno">  542</span>&#160;</div>
<div class="line"><a name="l00543"></a><span class="lineno">  543</span>&#160;<span class="keywordtype">int</span> rtnl_rule_get_family(<span class="keyword">struct</span> rtnl_rule *rule)</div>
<div class="line"><a name="l00544"></a><span class="lineno">  544</span>&#160;{</div>
<div class="line"><a name="l00545"></a><span class="lineno">  545</span>&#160;        <span class="keywordflow">if</span> (rule-&gt;ce_mask &amp; RULE_ATTR_FAMILY)</div>
<div class="line"><a name="l00546"></a><span class="lineno">  546</span>&#160;                <span class="keywordflow">return</span> rule-&gt;r_family;</div>
<div class="line"><a name="l00547"></a><span class="lineno">  547</span>&#160;        <span class="keywordflow">else</span></div>
<div class="line"><a name="l00548"></a><span class="lineno">  548</span>&#160;                <span class="keywordflow">return</span> AF_UNSPEC;</div>
<div class="line"><a name="l00549"></a><span class="lineno">  549</span>&#160;}</div>
<div class="line"><a name="l00550"></a><span class="lineno">  550</span>&#160;</div>
<div class="line"><a name="l00551"></a><span class="lineno">  551</span>&#160;<span class="keywordtype">void</span> rtnl_rule_set_prio(<span class="keyword">struct</span> rtnl_rule *rule, uint32_t prio)</div>
<div class="line"><a name="l00552"></a><span class="lineno">  552</span>&#160;{</div>
<div class="line"><a name="l00553"></a><span class="lineno">  553</span>&#160;        rule-&gt;r_prio = prio;</div>
<div class="line"><a name="l00554"></a><span class="lineno">  554</span>&#160;        rule-&gt;ce_mask |= RULE_ATTR_PRIO;</div>
<div class="line"><a name="l00555"></a><span class="lineno">  555</span>&#160;}</div>
<div class="line"><a name="l00556"></a><span class="lineno">  556</span>&#160;</div>
<div class="line"><a name="l00557"></a><span class="lineno">  557</span>&#160;uint32_t rtnl_rule_get_prio(<span class="keyword">struct</span> rtnl_rule *rule)</div>
<div class="line"><a name="l00558"></a><span class="lineno">  558</span>&#160;{</div>
<div class="line"><a name="l00559"></a><span class="lineno">  559</span>&#160;        <span class="keywordflow">return</span> rule-&gt;r_prio;</div>
<div class="line"><a name="l00560"></a><span class="lineno">  560</span>&#160;}</div>
<div class="line"><a name="l00561"></a><span class="lineno">  561</span>&#160;</div>
<div class="line"><a name="l00562"></a><span class="lineno">  562</span>&#160;<span class="keywordtype">void</span> rtnl_rule_set_mark(<span class="keyword">struct</span> rtnl_rule *rule, uint32_t mark)</div>
<div class="line"><a name="l00563"></a><span class="lineno">  563</span>&#160;{</div>
<div class="line"><a name="l00564"></a><span class="lineno">  564</span>&#160;        rule-&gt;r_mark = mark;</div>
<div class="line"><a name="l00565"></a><span class="lineno">  565</span>&#160;        rule-&gt;ce_mask |= RULE_ATTR_MARK;</div>
<div class="line"><a name="l00566"></a><span class="lineno">  566</span>&#160;}</div>
<div class="line"><a name="l00567"></a><span class="lineno">  567</span>&#160;</div>
<div class="line"><a name="l00568"></a><span class="lineno">  568</span>&#160;uint32_t rtnl_rule_get_mark(<span class="keyword">struct</span> rtnl_rule *rule)</div>
<div class="line"><a name="l00569"></a><span class="lineno">  569</span>&#160;{</div>
<div class="line"><a name="l00570"></a><span class="lineno">  570</span>&#160;        <span class="keywordflow">return</span> rule-&gt;r_mark;</div>
<div class="line"><a name="l00571"></a><span class="lineno">  571</span>&#160;}</div>
<div class="line"><a name="l00572"></a><span class="lineno">  572</span>&#160;</div>
<div class="line"><a name="l00573"></a><span class="lineno">  573</span>&#160;<span class="keywordtype">void</span> rtnl_rule_set_mask(<span class="keyword">struct</span> rtnl_rule *rule, uint32_t mask)</div>
<div class="line"><a name="l00574"></a><span class="lineno">  574</span>&#160;{</div>
<div class="line"><a name="l00575"></a><span class="lineno">  575</span>&#160;        rule-&gt;r_mask = mask;</div>
<div class="line"><a name="l00576"></a><span class="lineno">  576</span>&#160;        rule-&gt;ce_mask |= RULE_ATTR_MASK;</div>
<div class="line"><a name="l00577"></a><span class="lineno">  577</span>&#160;}</div>
<div class="line"><a name="l00578"></a><span class="lineno">  578</span>&#160;</div>
<div class="line"><a name="l00579"></a><span class="lineno">  579</span>&#160;uint32_t rtnl_rule_get_mask(<span class="keyword">struct</span> rtnl_rule *rule)</div>
<div class="line"><a name="l00580"></a><span class="lineno">  580</span>&#160;{</div>
<div class="line"><a name="l00581"></a><span class="lineno">  581</span>&#160;        <span class="keywordflow">return</span> rule-&gt;r_mask;</div>
<div class="line"><a name="l00582"></a><span class="lineno">  582</span>&#160;}</div>
<div class="line"><a name="l00583"></a><span class="lineno">  583</span>&#160;</div>
<div class="line"><a name="l00584"></a><span class="lineno">  584</span>&#160;<span class="keywordtype">void</span> rtnl_rule_set_table(<span class="keyword">struct</span> rtnl_rule *rule, uint32_t table)</div>
<div class="line"><a name="l00585"></a><span class="lineno">  585</span>&#160;{</div>
<div class="line"><a name="l00586"></a><span class="lineno">  586</span>&#160;        rule-&gt;r_table = table;</div>
<div class="line"><a name="l00587"></a><span class="lineno">  587</span>&#160;        rule-&gt;ce_mask |= RULE_ATTR_TABLE;</div>
<div class="line"><a name="l00588"></a><span class="lineno">  588</span>&#160;}</div>
<div class="line"><a name="l00589"></a><span class="lineno">  589</span>&#160;</div>
<div class="line"><a name="l00590"></a><span class="lineno">  590</span>&#160;uint32_t rtnl_rule_get_table(<span class="keyword">struct</span> rtnl_rule *rule)</div>
<div class="line"><a name="l00591"></a><span class="lineno">  591</span>&#160;{</div>
<div class="line"><a name="l00592"></a><span class="lineno">  592</span>&#160;        <span class="keywordflow">return</span> rule-&gt;r_table;</div>
<div class="line"><a name="l00593"></a><span class="lineno">  593</span>&#160;}</div>
<div class="line"><a name="l00594"></a><span class="lineno">  594</span>&#160;</div>
<div class="line"><a name="l00595"></a><span class="lineno">  595</span>&#160;<span class="keywordtype">void</span> rtnl_rule_set_dsfield(<span class="keyword">struct</span> rtnl_rule *rule, uint8_t dsfield)</div>
<div class="line"><a name="l00596"></a><span class="lineno">  596</span>&#160;{</div>
<div class="line"><a name="l00597"></a><span class="lineno">  597</span>&#160;        rule-&gt;r_dsfield = dsfield;</div>
<div class="line"><a name="l00598"></a><span class="lineno">  598</span>&#160;        rule-&gt;ce_mask |= RULE_ATTR_DSFIELD;</div>
<div class="line"><a name="l00599"></a><span class="lineno">  599</span>&#160;}</div>
<div class="line"><a name="l00600"></a><span class="lineno">  600</span>&#160;</div>
<div class="line"><a name="l00601"></a><span class="lineno">  601</span>&#160;uint8_t rtnl_rule_get_dsfield(<span class="keyword">struct</span> rtnl_rule *rule)</div>
<div class="line"><a name="l00602"></a><span class="lineno">  602</span>&#160;{</div>
<div class="line"><a name="l00603"></a><span class="lineno">  603</span>&#160;        <span class="keywordflow">return</span> rule-&gt;r_dsfield;</div>
<div class="line"><a name="l00604"></a><span class="lineno">  604</span>&#160;}</div>
<div class="line"><a name="l00605"></a><span class="lineno">  605</span>&#160;</div>
<div class="line"><a name="l00606"></a><span class="lineno">  606</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">int</span> __assign_addr(<span class="keyword">struct</span> rtnl_rule *rule, <span class="keyword">struct</span> nl_addr **pos,</div>
<div class="line"><a name="l00607"></a><span class="lineno">  607</span>&#160;                                <span class="keyword">struct</span> nl_addr *<span class="keyword">new</span>, <span class="keywordtype">int</span> flag)</div>
<div class="line"><a name="l00608"></a><span class="lineno">  608</span>&#160;{</div>
<div class="line"><a name="l00609"></a><span class="lineno">  609</span>&#160;        <span class="keywordflow">if</span> (rule-&gt;ce_mask &amp; RULE_ATTR_FAMILY) {</div>
<div class="line"><a name="l00610"></a><span class="lineno">  610</span>&#160;                <span class="keywordflow">if</span> (new-&gt;a_family != rule-&gt;r_family)</div>
<div class="line"><a name="l00611"></a><span class="lineno">  611</span>&#160;                        <span class="keywordflow">return</span> -NLE_AF_MISMATCH;</div>
<div class="line"><a name="l00612"></a><span class="lineno">  612</span>&#160;        } <span class="keywordflow">else</span></div>
<div class="line"><a name="l00613"></a><span class="lineno">  613</span>&#160;                rule-&gt;r_family = <span class="keyword">new</span>-&gt;a_family;</div>
<div class="line"><a name="l00614"></a><span class="lineno">  614</span>&#160;</div>
<div class="line"><a name="l00615"></a><span class="lineno">  615</span>&#160;        <span class="keywordflow">if</span> (*pos)</div>
<div class="line"><a name="l00616"></a><span class="lineno">  616</span>&#160;                nl_addr_put(*pos);</div>
<div class="line"><a name="l00617"></a><span class="lineno">  617</span>&#160;</div>
<div class="line"><a name="l00618"></a><span class="lineno">  618</span>&#160;        nl_addr_get(<span class="keyword">new</span>);</div>
<div class="line"><a name="l00619"></a><span class="lineno">  619</span>&#160;        *pos = <span class="keyword">new</span>;</div>
<div class="line"><a name="l00620"></a><span class="lineno">  620</span>&#160;</div>
<div class="line"><a name="l00621"></a><span class="lineno">  621</span>&#160;        rule-&gt;ce_mask |= (flag | RULE_ATTR_FAMILY);</div>
<div class="line"><a name="l00622"></a><span class="lineno">  622</span>&#160;</div>
<div class="line"><a name="l00623"></a><span class="lineno">  623</span>&#160;        <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00624"></a><span class="lineno">  624</span>&#160;}</div>
<div class="line"><a name="l00625"></a><span class="lineno">  625</span>&#160;</div>
<div class="line"><a name="l00626"></a><span class="lineno">  626</span>&#160;<span class="keywordtype">int</span> rtnl_rule_set_src(<span class="keyword">struct</span> rtnl_rule *rule, <span class="keyword">struct</span> nl_addr *src)</div>
<div class="line"><a name="l00627"></a><span class="lineno">  627</span>&#160;{</div>
<div class="line"><a name="l00628"></a><span class="lineno">  628</span>&#160;        <span class="keywordflow">return</span> __assign_addr(rule, &amp;rule-&gt;r_src, src, RULE_ATTR_SRC);</div>
<div class="line"><a name="l00629"></a><span class="lineno">  629</span>&#160;}</div>
<div class="line"><a name="l00630"></a><span class="lineno">  630</span>&#160;</div>
<div class="line"><a name="l00631"></a><span class="lineno">  631</span>&#160;<span class="keyword">struct </span>nl_addr *rtnl_rule_get_src(<span class="keyword">struct</span> rtnl_rule *rule)</div>
<div class="line"><a name="l00632"></a><span class="lineno">  632</span>&#160;{</div>
<div class="line"><a name="l00633"></a><span class="lineno">  633</span>&#160;        <span class="keywordflow">return</span> rule-&gt;r_src;</div>
<div class="line"><a name="l00634"></a><span class="lineno">  634</span>&#160;}</div>
<div class="line"><a name="l00635"></a><span class="lineno">  635</span>&#160;</div>
<div class="line"><a name="l00636"></a><span class="lineno">  636</span>&#160;<span class="keywordtype">int</span> rtnl_rule_set_dst(<span class="keyword">struct</span> rtnl_rule *rule, <span class="keyword">struct</span> nl_addr *dst)</div>
<div class="line"><a name="l00637"></a><span class="lineno">  637</span>&#160;{</div>
<div class="line"><a name="l00638"></a><span class="lineno">  638</span>&#160;        <span class="keywordflow">return</span> __assign_addr(rule, &amp;rule-&gt;r_dst, dst, RULE_ATTR_DST);</div>
<div class="line"><a name="l00639"></a><span class="lineno">  639</span>&#160;}</div>
<div class="line"><a name="l00640"></a><span class="lineno">  640</span>&#160;</div>
<div class="line"><a name="l00641"></a><span class="lineno">  641</span>&#160;<span class="keyword">struct </span>nl_addr *rtnl_rule_get_dst(<span class="keyword">struct</span> rtnl_rule *rule)</div>
<div class="line"><a name="l00642"></a><span class="lineno">  642</span>&#160;{</div>
<div class="line"><a name="l00643"></a><span class="lineno">  643</span>&#160;        <span class="keywordflow">return</span> rule-&gt;r_dst;</div>
<div class="line"><a name="l00644"></a><span class="lineno">  644</span>&#160;}</div>
<div class="line"><a name="l00645"></a><span class="lineno">  645</span>&#160;</div>
<div class="line"><a name="l00646"></a><span class="lineno">  646</span>&#160;<span class="keywordtype">int</span> rtnl_rule_set_iif(<span class="keyword">struct</span> rtnl_rule *rule, <span class="keyword">const</span> <span class="keywordtype">char</span> *dev)</div>
<div class="line"><a name="l00647"></a><span class="lineno">  647</span>&#160;{</div>
<div class="line"><a name="l00648"></a><span class="lineno">  648</span>&#160;        <span class="keywordflow">if</span> (strlen(dev) &gt; IFNAMSIZ-1)</div>
<div class="line"><a name="l00649"></a><span class="lineno">  649</span>&#160;                <span class="keywordflow">return</span> -NLE_RANGE;</div>
<div class="line"><a name="l00650"></a><span class="lineno">  650</span>&#160;</div>
<div class="line"><a name="l00651"></a><span class="lineno">  651</span>&#160;        strcpy(rule-&gt;r_iifname, dev);</div>
<div class="line"><a name="l00652"></a><span class="lineno">  652</span>&#160;        rule-&gt;ce_mask |= RULE_ATTR_IIFNAME;</div>
<div class="line"><a name="l00653"></a><span class="lineno">  653</span>&#160;        <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00654"></a><span class="lineno">  654</span>&#160;}</div>
<div class="line"><a name="l00655"></a><span class="lineno">  655</span>&#160;</div>
<div class="line"><a name="l00656"></a><span class="lineno">  656</span>&#160;<span class="keywordtype">char</span> *rtnl_rule_get_iif(<span class="keyword">struct</span> rtnl_rule *rule)</div>
<div class="line"><a name="l00657"></a><span class="lineno">  657</span>&#160;{</div>
<div class="line"><a name="l00658"></a><span class="lineno">  658</span>&#160;        <span class="keywordflow">if</span> (rule-&gt;ce_mask &amp; RULE_ATTR_IIFNAME)</div>
<div class="line"><a name="l00659"></a><span class="lineno">  659</span>&#160;                <span class="keywordflow">return</span> rule-&gt;r_iifname;</div>
<div class="line"><a name="l00660"></a><span class="lineno">  660</span>&#160;        <span class="keywordflow">else</span></div>
<div class="line"><a name="l00661"></a><span class="lineno">  661</span>&#160;                <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a name="l00662"></a><span class="lineno">  662</span>&#160;}</div>
<div class="line"><a name="l00663"></a><span class="lineno">  663</span>&#160;</div>
<div class="line"><a name="l00664"></a><span class="lineno">  664</span>&#160;<span class="keywordtype">int</span> rtnl_rule_set_oif(<span class="keyword">struct</span> rtnl_rule *rule, <span class="keyword">const</span> <span class="keywordtype">char</span> *dev)</div>
<div class="line"><a name="l00665"></a><span class="lineno">  665</span>&#160;{</div>
<div class="line"><a name="l00666"></a><span class="lineno">  666</span>&#160;        <span class="keywordflow">if</span> (strlen(dev) &gt; IFNAMSIZ-1)</div>
<div class="line"><a name="l00667"></a><span class="lineno">  667</span>&#160;                <span class="keywordflow">return</span> -NLE_RANGE;</div>
<div class="line"><a name="l00668"></a><span class="lineno">  668</span>&#160;</div>
<div class="line"><a name="l00669"></a><span class="lineno">  669</span>&#160;        strcpy(rule-&gt;r_oifname, dev);</div>
<div class="line"><a name="l00670"></a><span class="lineno">  670</span>&#160;        rule-&gt;ce_mask |= RULE_ATTR_OIFNAME;</div>
<div class="line"><a name="l00671"></a><span class="lineno">  671</span>&#160;        <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00672"></a><span class="lineno">  672</span>&#160;}</div>
<div class="line"><a name="l00673"></a><span class="lineno">  673</span>&#160;</div>
<div class="line"><a name="l00674"></a><span class="lineno">  674</span>&#160;<span class="keywordtype">char</span> *rtnl_rule_get_oif(<span class="keyword">struct</span> rtnl_rule *rule)</div>
<div class="line"><a name="l00675"></a><span class="lineno">  675</span>&#160;{</div>
<div class="line"><a name="l00676"></a><span class="lineno">  676</span>&#160;        <span class="keywordflow">if</span> (rule-&gt;ce_mask &amp; RULE_ATTR_OIFNAME)</div>
<div class="line"><a name="l00677"></a><span class="lineno">  677</span>&#160;                <span class="keywordflow">return</span> rule-&gt;r_oifname;</div>
<div class="line"><a name="l00678"></a><span class="lineno">  678</span>&#160;        <span class="keywordflow">else</span></div>
<div class="line"><a name="l00679"></a><span class="lineno">  679</span>&#160;                <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a name="l00680"></a><span class="lineno">  680</span>&#160;}</div>
<div class="line"><a name="l00681"></a><span class="lineno">  681</span>&#160;</div>
<div class="line"><a name="l00682"></a><span class="lineno">  682</span>&#160;<span class="keywordtype">void</span> rtnl_rule_set_action(<span class="keyword">struct</span> rtnl_rule *rule, uint8_t action)</div>
<div class="line"><a name="l00683"></a><span class="lineno">  683</span>&#160;{</div>
<div class="line"><a name="l00684"></a><span class="lineno">  684</span>&#160;        rule-&gt;r_action = action;</div>
<div class="line"><a name="l00685"></a><span class="lineno">  685</span>&#160;        rule-&gt;ce_mask |= RULE_ATTR_ACTION;</div>
<div class="line"><a name="l00686"></a><span class="lineno">  686</span>&#160;}</div>
<div class="line"><a name="l00687"></a><span class="lineno">  687</span>&#160;</div>
<div class="line"><a name="l00688"></a><span class="lineno">  688</span>&#160;uint8_t rtnl_rule_get_action(<span class="keyword">struct</span> rtnl_rule *rule)</div>
<div class="line"><a name="l00689"></a><span class="lineno">  689</span>&#160;{</div>
<div class="line"><a name="l00690"></a><span class="lineno">  690</span>&#160;        <span class="keywordflow">return</span> rule-&gt;r_action;</div>
<div class="line"><a name="l00691"></a><span class="lineno">  691</span>&#160;}</div>
<div class="line"><a name="l00692"></a><span class="lineno">  692</span>&#160;</div>
<div class="line"><a name="l00693"></a><span class="lineno">  693</span>&#160;<span class="keywordtype">void</span> rtnl_rule_set_realms(<span class="keyword">struct</span> rtnl_rule *rule, uint32_t realms)</div>
<div class="line"><a name="l00694"></a><span class="lineno">  694</span>&#160;{</div>
<div class="line"><a name="l00695"></a><span class="lineno">  695</span>&#160;        rule-&gt;r_flow = realms;</div>
<div class="line"><a name="l00696"></a><span class="lineno">  696</span>&#160;        rule-&gt;ce_mask |= RULE_ATTR_FLOW;</div>
<div class="line"><a name="l00697"></a><span class="lineno">  697</span>&#160;}</div>
<div class="line"><a name="l00698"></a><span class="lineno">  698</span>&#160;</div>
<div class="line"><a name="l00699"></a><span class="lineno">  699</span>&#160;uint32_t rtnl_rule_get_realms(<span class="keyword">struct</span> rtnl_rule *rule)</div>
<div class="line"><a name="l00700"></a><span class="lineno">  700</span>&#160;{</div>
<div class="line"><a name="l00701"></a><span class="lineno">  701</span>&#160;        <span class="keywordflow">return</span> rule-&gt;r_flow;</div>
<div class="line"><a name="l00702"></a><span class="lineno">  702</span>&#160;}</div>
<div class="line"><a name="l00703"></a><span class="lineno">  703</span>&#160;</div>
<div class="line"><a name="l00704"></a><span class="lineno">  704</span>&#160;<span class="keywordtype">void</span> rtnl_rule_set_goto(<span class="keyword">struct</span> rtnl_rule *rule, uint32_t ref)</div>
<div class="line"><a name="l00705"></a><span class="lineno">  705</span>&#160;{</div>
<div class="line"><a name="l00706"></a><span class="lineno">  706</span>&#160;        rule-&gt;r_goto = ref;</div>
<div class="line"><a name="l00707"></a><span class="lineno">  707</span>&#160;        rule-&gt;ce_mask |= RULE_ATTR_GOTO;</div>
<div class="line"><a name="l00708"></a><span class="lineno">  708</span>&#160;}</div>
<div class="line"><a name="l00709"></a><span class="lineno">  709</span>&#160;</div>
<div class="line"><a name="l00710"></a><span class="lineno">  710</span>&#160;uint32_t rtnl_rule_get_goto(<span class="keyword">struct</span> rtnl_rule *rule)</div>
<div class="line"><a name="l00711"></a><span class="lineno">  711</span>&#160;{</div>
<div class="line"><a name="l00712"></a><span class="lineno">  712</span>&#160;        <span class="keywordflow">return</span> rule-&gt;r_goto;</div>
<div class="line"><a name="l00713"></a><span class="lineno">  713</span>&#160;}</div>
<div class="line"><a name="l00714"></a><span class="lineno">  714</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00715"></a><span class="lineno">  715</span>&#160;<span class="comment">/** @} */</span></div>
<div class="line"><a name="l00716"></a><span class="lineno">  716</span>&#160;</div>
<div class="line"><a name="l00717"></a><span class="lineno">  717</span>&#160;<span class="keyword">static</span> <span class="keyword">struct </span>nl_object_ops rule_obj_ops = {</div>
<div class="line"><a name="l00718"></a><span class="lineno">  718</span>&#160;        .oo_name                = <span class="stringliteral">&quot;route/rule&quot;</span>,</div>
<div class="line"><a name="l00719"></a><span class="lineno">  719</span>&#160;        .oo_size                = <span class="keyword">sizeof</span>(<span class="keyword">struct </span>rtnl_rule),</div>
<div class="line"><a name="l00720"></a><span class="lineno">  720</span>&#160;        .oo_free_data           = rule_free_data,</div>
<div class="line"><a name="l00721"></a><span class="lineno">  721</span>&#160;        .oo_clone               = rule_clone,</div>
<div class="line"><a name="l00722"></a><span class="lineno">  722</span>&#160;        .oo_dump = {</div>
<div class="line"><a name="l00723"></a><span class="lineno">  723</span>&#160;            [<a class="code" href="group__utils.html#ggacfb5566c73f0965c5241d7d49bc717e9a9709ad7bc10b7bd3c70df3f20346edc1" title="Dump object briefly on one line.">NL_DUMP_LINE</a>]      = rule_dump_line,</div>
<div class="line"><a name="l00724"></a><span class="lineno">  724</span>&#160;            [<a class="code" href="group__utils.html#ggacfb5566c73f0965c5241d7d49bc717e9ac026c3d5f94da73f82e0f796138a409e" title="Dump all attributes but no statistics.">NL_DUMP_DETAILS</a>]   = rule_dump_details,</div>
<div class="line"><a name="l00725"></a><span class="lineno">  725</span>&#160;            [<a class="code" href="group__utils.html#ggacfb5566c73f0965c5241d7d49bc717e9a8ebedc55094df6175b84fb1230047a65" title="Dump all attributes including statistics.">NL_DUMP_STATS</a>]     = rule_dump_stats,</div>
<div class="line"><a name="l00726"></a><span class="lineno">  726</span>&#160;        },</div>
<div class="line"><a name="l00727"></a><span class="lineno">  727</span>&#160;        .oo_compare             = rule_compare,</div>
<div class="line"><a name="l00728"></a><span class="lineno">  728</span>&#160;        .oo_attrs2str           = rule_attrs2str,</div>
<div class="line"><a name="l00729"></a><span class="lineno">  729</span>&#160;        .oo_id_attrs            = ~0,</div>
<div class="line"><a name="l00730"></a><span class="lineno">  730</span>&#160;};</div>
<div class="line"><a name="l00731"></a><span class="lineno">  731</span>&#160;</div>
<div class="line"><a name="l00732"></a><span class="lineno">  732</span>&#160;<span class="keyword">static</span> <span class="keyword">struct </span>nl_cache_ops rtnl_rule_ops = {</div>
<div class="line"><a name="l00733"></a><span class="lineno">  733</span>&#160;        .co_name                = <span class="stringliteral">&quot;route/rule&quot;</span>,</div>
<div class="line"><a name="l00734"></a><span class="lineno">  734</span>&#160;        .co_hdrsize             = <span class="keyword">sizeof</span>(<span class="keyword">struct </span>fib_rule_hdr),</div>
<div class="line"><a name="l00735"></a><span class="lineno">  735</span>&#160;        .co_msgtypes            = {</div>
<div class="line"><a name="l00736"></a><span class="lineno">  736</span>&#160;                                        { RTM_NEWRULE, NL_ACT_NEW, <span class="stringliteral">&quot;new&quot;</span> },</div>
<div class="line"><a name="l00737"></a><span class="lineno">  737</span>&#160;                                        { RTM_DELRULE, NL_ACT_DEL, <span class="stringliteral">&quot;del&quot;</span> },</div>
<div class="line"><a name="l00738"></a><span class="lineno">  738</span>&#160;                                        { RTM_GETRULE, NL_ACT_GET, <span class="stringliteral">&quot;get&quot;</span> },</div>
<div class="line"><a name="l00739"></a><span class="lineno">  739</span>&#160;                                        END_OF_MSGTYPES_LIST,</div>
<div class="line"><a name="l00740"></a><span class="lineno">  740</span>&#160;                                  },</div>
<div class="line"><a name="l00741"></a><span class="lineno">  741</span>&#160;        .co_protocol            = NETLINK_ROUTE,</div>
<div class="line"><a name="l00742"></a><span class="lineno">  742</span>&#160;        .co_request_update      = rule_request_update,</div>
<div class="line"><a name="l00743"></a><span class="lineno">  743</span>&#160;        .co_msg_parser          = rule_msg_parser,</div>
<div class="line"><a name="l00744"></a><span class="lineno">  744</span>&#160;        .co_obj_ops             = &amp;rule_obj_ops,</div>
<div class="line"><a name="l00745"></a><span class="lineno">  745</span>&#160;};</div>
<div class="line"><a name="l00746"></a><span class="lineno">  746</span>&#160;</div>
<div class="line"><a name="l00747"></a><span class="lineno">  747</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> __init rule_init(<span class="keywordtype">void</span>)</div>
<div class="line"><a name="l00748"></a><span class="lineno">  748</span>&#160;{</div>
<div class="line"><a name="l00749"></a><span class="lineno">  749</span>&#160;        <a class="code" href="group__cache__mngt.html#ga390eeb1fa61634cf1c216792c6df63c3" title="Register a set of cache operations.">nl_cache_mngt_register</a>(&amp;rtnl_rule_ops);</div>
<div class="line"><a name="l00750"></a><span class="lineno">  750</span>&#160;}</div>
<div class="line"><a name="l00751"></a><span class="lineno">  751</span>&#160;</div>
<div class="line"><a name="l00752"></a><span class="lineno">  752</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> __exit rule_exit(<span class="keywordtype">void</span>)</div>
<div class="line"><a name="l00753"></a><span class="lineno">  753</span>&#160;{</div>
<div class="line"><a name="l00754"></a><span class="lineno">  754</span>&#160;        <a class="code" href="group__cache__mngt.html#ga09f56b767b3868b7e0cf8559863dde77" title="Unregister a set of cache operations.">nl_cache_mngt_unregister</a>(&amp;rtnl_rule_ops);</div>
<div class="line"><a name="l00755"></a><span class="lineno">  755</span>&#160;}</div>
<div class="line"><a name="l00756"></a><span class="lineno">  756</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00757"></a><span class="lineno">  757</span>&#160;<span class="comment">/** @} */</span></div>
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