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<html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968" /><title>netif_receive_skb</title><meta name="generator" content="DocBook XSL Stylesheets V1.75.2" /><link rel="home" href="index.html" title="Linux Networking and Network Devices APIs" /><link rel="up" href="ch02.html#id2714553" title="Driver Support" /><link rel="prev" href="re223.html" title="netif_rx" /><link rel="next" href="re225.html" title="__napi_schedule" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span>netif_receive_skb</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="re223.html">Prev</a> </td><th width="60%" align="center">Driver Support</th><td width="20%" align="right"> <a accesskey="n" href="re225.html">Next</a></td></tr></table><hr /></div><div class="refentry" title="netif_receive_skb"><a id="API-netif-receive-skb"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>netif_receive_skb —
process receive buffer from network
</p></div><div class="refsynopsisdiv" title="Synopsis"><h2>Synopsis</h2><div class="funcsynopsis"><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" class="funcprototype-table"><tr><td><code class="funcdef">int <b class="fsfunc">netif_receive_skb </b>(</code></td><td>struct sk_buff * <var class="pdparam">skb</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div></div></div><div class="refsect1" title="Arguments"><a id="id2718172"></a><h2>Arguments</h2><div class="variablelist"><dl><dt><span class="term"><em class="parameter"><code>skb</code></em></span></dt><dd><p>
buffer to process
</p></dd></dl></div></div><div class="refsect1" title="Description"><a id="id2718198"></a><h2>Description</h2><p>
<code class="function">netif_receive_skb</code> is the main receive data processing function.
It always succeeds. The buffer may be dropped during processing
for congestion control or by the protocol layers.
</p><p>
This function may only be called from softirq context and interrupts
should be enabled.
</p><p>
Return values (usually ignored):
</p></div><div class="refsect1" title="NET_RX_SUCCESS"><a id="id2718224"></a><h2>NET_RX_SUCCESS</h2><p>
no congestion
</p></div><div class="refsect1" title="NET_RX_DROP"><a id="id2718234"></a><h2>NET_RX_DROP</h2><p>
packet was dropped
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