/*
 * 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 */
ubmit();'>
<option value='emaclite-cleanup'>emaclite-cleanup</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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<tr><th>author</th><td>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2016-11-05 16:23:36 -0700</td></tr>
<tr><th>committer</th><td>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2016-11-05 16:23:36 -0700</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/?id=bc33b0ca11e3df467777a4fa7639ba488c9d4911'>bc33b0ca11e3df467777a4fa7639ba488c9d4911</a> (<a href='/cgit.cgi/linux/net-next.git/patch/?id=bc33b0ca11e3df467777a4fa7639ba488c9d4911'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=bc33b0ca11e3df467777a4fa7639ba488c9d4911'>8e2ea4fe468cf19cc19d4b88411ac32d6744833a</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/?id=bd060ac0f6b3442317b4f1d7ea0ff2c9b3d977a0'>bd060ac0f6b3442317b4f1d7ea0ff2c9b3d977a0</a> (<a href='/cgit.cgi/linux/net-next.git/diff/?id=bc33b0ca11e3df467777a4fa7639ba488c9d4911&amp;id2=bd060ac0f6b3442317b4f1d7ea0ff2c9b3d977a0'>diff</a>)</td></tr></table>
<div class='commit-subject'>Linux 4.9-rc4</div><div class='commit-msg'></div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=bc33b0ca11e3df467777a4fa7639ba488c9d4911'>Diffstat</a></div><table summary='diffstat' class='diffstat'>