/*
 * 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"

extern void ring_rx_setup(struct ring *ring, int sock, size_t size, int ifindex,
			  struct pollfd *poll, bool v3, bool jumbo_support,
			  bool verbose);
extern void destroy_rx_ring(int sock, struct ring *ring);
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 void kernel_may_pull_from_rx(struct tpacket2_hdr *hdr)
{
	hdr->tp_status = TP_STATUS_KERNEL;
}

#ifdef HAVE_TPACKET3
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_block(struct block_desc *pbd)
{
	pbd->h1.block_status = TP_STATUS_KERNEL;
}
#endif /* HAVE_TPACKET3 */

#endif /* RX_RING_H */
clite-cleanup'>emaclite-cleanup</option>
<option value='master'>master</option>
<option value='nds-private-remove' selected='selected'>nds-private-remove</option>
<option value='packet-loop-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/?h=nds-private-remove'>summary</a><a href='/cgit.cgi/linux/net-next.git/refs/?h=nds-private-remove&amp;id=c56480a1e90261842f54f3a5a9ebc12d827f0c3e'>refs</a><a class='active' href='/cgit.cgi/linux/net-next.git/log/drivers/usb/misc/usb4604.c?h=nds-private-remove'>log</a><a href='/cgit.cgi/linux/net-next.git/tree/drivers/usb/misc/usb4604.c?h=nds-private-remove&amp;id=c56480a1e90261842f54f3a5a9ebc12d827f0c3e'>tree</a><a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/misc/usb4604.c?h=nds-private-remove&amp;id=c56480a1e90261842f54f3a5a9ebc12d827f0c3e'>commit</a><a href='/cgit.cgi/linux/net-next.git/diff/drivers/usb/misc/usb4604.c?h=nds-private-remove&amp;id=c56480a1e90261842f54f3a5a9ebc12d827f0c3e'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/drivers/usb/misc/usb4604.c'>
<input type='hidden' name='h' value='nds-private-remove'/><input type='hidden' name='id' value='c56480a1e90261842f54f3a5a9ebc12d827f0c3e'/><select name='qt'>
<option value='grep'>log msg</option>
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</td></tr></table>
<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/log/?h=nds-private-remove&amp;id=c56480a1e90261842f54f3a5a9ebc12d827f0c3e'>root</a>/<a href='/cgit.cgi/linux/net-next.git/log/drivers?h=nds-private-remove&amp;id=c56480a1e90261842f54f3a5a9ebc12d827f0c3e'>drivers</a>/<a href='/cgit.cgi/linux/net-next.git/log/drivers/usb?h=nds-private-remove&amp;id=c56480a1e90261842f54f3a5a9ebc12d827f0c3e'>usb</a>/<a href='/cgit.cgi/linux/net-next.git/log/drivers/usb/misc?h=nds-private-remove&amp;id=c56480a1e90261842f54f3a5a9ebc12d827f0c3e'>misc</a>/<a href='/cgit.cgi/linux/net-next.git/log/drivers/usb/misc/usb4604.c?h=nds-private-remove&amp;id=c56480a1e90261842f54f3a5a9ebc12d827f0c3e'>usb4604.c</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/cgit.cgi/linux/net-next.git/log/drivers/usb/misc/usb4604.c?h=nds-private-remove&amp;id=c56480a1e90261842f54f3a5a9ebc12d827f0c3e&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th><th class='left'>Files</th><th class='left'>Lines</th></tr>