/*
 * 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 */
k'>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=2a7b6216692cd66f4c94e6ebb48e43038349ca7d'>refs</a><a href='/cgit.cgi/linux/net-next.git/log/arch/arm/boot?h=nds-private-remove'>log</a><a class='active' href='/cgit.cgi/linux/net-next.git/tree/arch/arm/boot?h=nds-private-remove&amp;id=2a7b6216692cd66f4c94e6ebb48e43038349ca7d'>tree</a><a href='/cgit.cgi/linux/net-next.git/commit/arch/arm/boot?h=nds-private-remove&amp;id=2a7b6216692cd66f4c94e6ebb48e43038349ca7d'>commit</a><a href='/cgit.cgi/linux/net-next.git/diff/arch/arm/boot?h=nds-private-remove&amp;id=2a7b6216692cd66f4c94e6ebb48e43038349ca7d'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/arch/arm/boot'>
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/tree/?h=nds-private-remove&amp;id=2a7b6216692cd66f4c94e6ebb48e43038349ca7d'>root</a>/<a href='/cgit.cgi/linux/net-next.git/tree/arch?h=nds-private-remove&amp;id=2a7b6216692cd66f4c94e6ebb48e43038349ca7d'>arch</a>/<a href='/cgit.cgi/linux/net-next.git/tree/arch/arm?h=nds-private-remove&amp;id=2a7b6216692cd66f4c94e6ebb48e43038349ca7d'>arm</a>/<a href='/cgit.cgi/linux/net-next.git/tree/arch/arm/boot?h=nds-private-remove&amp;id=2a7b6216692cd66f4c94e6ebb48e43038349ca7d'>boot</a></div><div class='content'><table summary='tree listing' class='list'>
<tr class='nohover'><th class='left'>Mode</th><th class='left'>Name</th><th class='right'>Size</th><th/></tr>