/*
 * 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_TPACKETV3 */

#endif /* RX_RING_H */
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<tr><td class='sub'>net-next plumbings</td><td class='sub right'>Tobias Klauser</td></tr></table>
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/log/?id=15c2e102412d95af4fe88e5b28b3eba124545bbf'>root</a>/<a href='/cgit.cgi/linux/net-next.git/log/sound?id=15c2e102412d95af4fe88e5b28b3eba124545bbf'>sound</a>/<a href='/cgit.cgi/linux/net-next.git/log/sound/soc?id=15c2e102412d95af4fe88e5b28b3eba124545bbf'>soc</a>/<a href='/cgit.cgi/linux/net-next.git/log/sound/soc/samsung?id=15c2e102412d95af4fe88e5b28b3eba124545bbf'>samsung</a>/<a href='/cgit.cgi/linux/net-next.git/log/sound/soc/samsung/littlemill.c?id=15c2e102412d95af4fe88e5b28b3eba124545bbf'>littlemill.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/sound/soc/samsung/littlemill.c?id=15c2e102412d95af4fe88e5b28b3eba124545bbf&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th><th class='left'>Files</th><th class='left'>Lines</th></tr>