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

#ifndef TX_RING_H
#define TX_RING_H

#include <stdbool.h>

#include "ring.h"

/* Give userland 10 us time to push packets to the ring */
#define TX_KERNEL_PULL_INT	10

void ring_tx_setup(struct ring *ring, int sock, size_t size, int ifindex,
		   bool jumbo_support, bool verbose);
extern void destroy_tx_ring(int sock, struct ring *ring);

static inline int user_may_pull_from_tx(struct tpacket2_hdr *hdr)
{
	return !(hdr->tp_status & (TP_STATUS_SEND_REQUEST | TP_STATUS_SENDING));
}

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

static inline int pull_and_flush_tx_ring(int sock)
{
	return sendto(sock, NULL, 0, MSG_DONTWAIT, NULL, 0);
}

static inline int pull_and_flush_tx_ring_wait(int sock)
{
	return sendto(sock, NULL, 0, 0, NULL, 0);
}

#endif /* TX_RING_H */
f3b40'/><select name='h' onchange='this.form.submit();'>
<option value='emaclite-cleanup'>emaclite-cleanup</option>
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<option value='nds-private-remove' selected='selected'>nds-private-remove</option>
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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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<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=50f008e583d11b3133f23f29b05a0fcac2af3b40'>refs</a><a class='active' href='/cgit.cgi/linux/net-next.git/log/net/ipv6/ip6_gre.c?h=nds-private-remove'>log</a><a href='/cgit.cgi/linux/net-next.git/tree/net/ipv6/ip6_gre.c?h=nds-private-remove&amp;id=50f008e583d11b3133f23f29b05a0fcac2af3b40'>tree</a><a href='/cgit.cgi/linux/net-next.git/commit/net/ipv6/ip6_gre.c?h=nds-private-remove&amp;id=50f008e583d11b3133f23f29b05a0fcac2af3b40'>commit</a><a href='/cgit.cgi/linux/net-next.git/diff/net/ipv6/ip6_gre.c?h=nds-private-remove&amp;id=50f008e583d11b3133f23f29b05a0fcac2af3b40'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/net/ipv6/ip6_gre.c'>
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/log/?h=nds-private-remove&amp;id=50f008e583d11b3133f23f29b05a0fcac2af3b40'>root</a>/<a href='/cgit.cgi/linux/net-next.git/log/net?h=nds-private-remove&amp;id=50f008e583d11b3133f23f29b05a0fcac2af3b40'>net</a>/<a href='/cgit.cgi/linux/net-next.git/log/net/ipv6?h=nds-private-remove&amp;id=50f008e583d11b3133f23f29b05a0fcac2af3b40'>ipv6</a>/<a href='/cgit.cgi/linux/net-next.git/log/net/ipv6/ip6_gre.c?h=nds-private-remove&amp;id=50f008e583d11b3133f23f29b05a0fcac2af3b40'>ip6_gre.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/net/ipv6/ip6_gre.c?h=nds-private-remove&amp;id=50f008e583d11b3133f23f29b05a0fcac2af3b40&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th><th class='left'>Files</th><th class='left'>Lines</th></tr>
<tr><td><span title='2017-02-07 16:29:30 -0500'>2017-02-07</span></td><td><a href='/cgit.cgi/linux/net-next.git/commit/net/ipv6/ip6_gre.c?h=nds-private-remove&amp;id=3efa70d78f218e4c9276b0bac0545e5184c1c47b'>Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net</a></td><td>David S. Miller