/*
 * netsniff-ng - the packet sniffing beast
 * Copyright 2009, 2010 Daniel Borkmann.
 * Subject to the GPL, version 2.
 */

#ifndef RX_RING_H
#define RX_RING_H

#include <stdbool.h>

#include "ring.h"
#include "built_in.h"

extern void destroy_rx_ring(int sock, struct ring *ring);
extern void create_rx_ring(int sock, struct ring *ring, int verbose);
extern void mmap_rx_ring(int sock, struct ring *ring);
extern void alloc_rx_ring_frames(int sock, struct ring *ring);
extern void bind_rx_ring(int sock, struct ring *ring, int ifindex);
extern void setup_rx_ring_layout(int sock, struct ring *ring,
				 unsigned int size, bool jumbo_support, bool v3);
extern void sock_rx_net_stats(int sock, unsigned long seen);

static inline int user_may_pull_from_rx(struct tpacket2_hdr *hdr)
{
	return ((hdr->tp_status & TP_STATUS_USER) == TP_STATUS_USER);
}

static inline int user_may_pull_from_rx_block(struct block_desc *pbd)
{
	return ((pbd->h1.block_status & TP_STATUS_USER) == TP_STATUS_USER);
}

static inline void kernel_may_pull_from_rx(struct tpacket2_hdr *hdr)
{
	hdr->tp_status = TP_STATUS_KERNEL;
}

static inline void kernel_may_pull_from_rx_block(struct block_desc *pbd)
{
	pbd->h1.block_status = TP_STATUS_KERNEL;
}

#endif /* RX_RING_H */
oop-back'>packet-loop-back</option>
<option value='packet-rx-pump-back'>packet-rx-pump-back</option>
</select> <input type='submit' value='switch'/></form></td></tr>
<tr><td class='sub'>net-next plumbings</td><td class='sub right'>Tobias Klauser</td></tr></table>
<table class='tabs'><tr><td>
<a href='/cgit.cgi/linux/net-next.git/'>summary</a><a href='/cgit.cgi/linux/net-next.git/refs/?id=ea9f8856bd6d4ed45885b06a338f7362cd6c60e5'>refs</a><a href='/cgit.cgi/linux/net-next.git/log/drivers/acpi/acpica'>log</a><a href='/cgit.cgi/linux/net-next.git/tree/drivers/acpi/acpica?id=ea9f8856bd6d4ed45885b06a338f7362cd6c60e5'>tree</a><a class='active' href='/cgit.cgi/linux/net-next.git/commit/drivers/acpi/acpica?id=ea9f8856bd6d4ed45885b06a338f7362cd6c60e5'>commit</a><a href='/cgit.cgi/linux/net-next.git/diff/drivers/acpi/acpica?id=ea9f8856bd6d4ed45885b06a338f7362cd6c60e5'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/drivers/acpi/acpica'>
<input type='hidden' name='id' value='ea9f8856bd6d4ed45885b06a338f7362cd6c60e5'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?id=ea9f8856bd6d4ed45885b06a338f7362cd6c60e5'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/drivers?id=ea9f8856bd6d4ed45885b06a338f7362cd6c60e5'>drivers</a>/<a href='/cgit.cgi/linux/net-next.git/commit/drivers/acpi?id=ea9f8856bd6d4ed45885b06a338f7362cd6c60e5'>acpi</a>/<a href='/cgit.cgi/linux/net-next.git/commit/drivers/acpi/acpica?id=ea9f8856bd6d4ed45885b06a338f7362cd6c60e5'>acpica</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='ea9f8856bd6d4ed45885b06a338f7362cd6c60e5'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>Igor Murzov &lt;intergalactic.anonymous@gmail.com&gt;</td><td class='right'>2012-03-30 21:32:08 +0400</td></tr>
<tr><th>committer</th><td>Len Brown &lt;len.brown@intel.com&gt;</td><td class='right'>2012-03-30 15:44:05 -0400</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/drivers/acpi/acpica?id=ea9f8856bd6d4ed45885b06a338f7362cd6c60e5'>ea9f8856bd6d4ed45885b06a338f7362cd6c60e5</a> (<a href='/cgit.cgi/linux/net-next.git/patch/drivers/acpi/acpica?id=ea9f8856bd6d4ed45885b06a338f7362cd6c60e5'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=ea9f8856bd6d4ed45885b06a338f7362cd6c60e5'>85f9eeb1d08bb3b9f22310acc0f5a15c572ee3aa</a> /<a href='/cgit.cgi/linux/net-next.git/tree/drivers/acpi/acpica?id=ea9f8856bd6d4ed45885b06a338f7362cd6c60e5'>drivers/acpi/acpica</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/drivers/acpi/acpica?id=c16fa4f2ad19908a47c63d8fa436a1178438c7e7'>c16fa4f2ad19908a47c63d8fa436a1178438c7e7</a> (<a href='/cgit.cgi/linux/net-next.git/diff/drivers/acpi/acpica?id=ea9f8856bd6d4ed45885b06a338f7362cd6c60e5&amp;id2=c16fa4f2ad19908a47c63d8fa436a1178438c7e7'>diff</a>)</td></tr></table>
<div class='commit-subject'>ACPI video: Harden video bus adding.</div><div class='commit-msg'>It is always better to check return values, so add some new checks and
correct existing ones.

v2: Be consistent and don't mix errors from -E* and AE_* namespaces.

Signed-off-by: Igor Murzov &lt;e-mail@date.by&gt;
Signed-off-by: Len Brown &lt;len.brown@intel.com&gt;
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=ea9f8856bd6d4ed45885b06a338f7362cd6c60e5'>Diffstat</a> (limited to 'drivers/acpi/acpica')</div><table summary='diffstat' class='diffstat'>