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      <base href="https://bugzilla.netfilter.org/" />
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    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - Setting bit mark according to result of lookup"
   href="https://bugzilla.netfilter.org/show_bug.cgi?id=1125">1125</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Setting bit mark according to result of lookup
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>nftables
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>unspecified
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>x86_64
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Gentoo
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>enhancement
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>P5
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>nft
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>pablo@netfilter.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>uzytkownik2@gmail.com
          </td>
        </tr></table>
      <p>
        <div>
        <pre>I tried to set a mark according to interface it come through. My first attempt
was:

table bridge filter {
    map iface_to_mark {
        type iface_index: mark
        elements = {
            iface0: 0x1,
            iface1: 0x2,
            ...
        }
    }
    chain input {
        type filter hook input priority 0
        mark set mark or iif map @iface_to_mark
    }
}

However as RHS of | is not constant it is not allowed. I WAR by vmap jump
depending on interface and inlining constants but it is much less clearer (and
probably much less performant) then simple lookup and or.</pre>
        </div>
      </p>
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