/*
 * 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"
#include "built_in.h"

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

extern void destroy_tx_ring(int sock, struct ring *ring);
extern void create_tx_ring(int sock, struct ring *ring, int verbose);
extern void mmap_tx_ring(int sock, struct ring *ring);
extern void alloc_tx_ring_frames(int sock, struct ring *ring);
extern void bind_tx_ring(int sock, struct ring *ring, int ifindex);
extern void setup_tx_ring_layout(int sock, struct ring *ring,
				 unsigned int size, bool jumbo_support);
extern void set_packet_loss_discard(int sock);

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 */
ion 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>
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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=e44d49cbbc5fb1a310b71212acc4e1f378a8fd91'>refs</a><a href='/cgit.cgi/linux/net-next.git/log/?h=nds-private-remove'>log</a><a href='/cgit.cgi/linux/net-next.git/tree/?h=nds-private-remove&amp;id=e44d49cbbc5fb1a310b71212acc4e1f378a8fd91'>tree</a><a class='active' href='/cgit.cgi/linux/net-next.git/commit/?h=nds-private-remove&amp;id=e44d49cbbc5fb1a310b71212acc4e1f378a8fd91'>commit</a><a href='/cgit.cgi/linux/net-next.git/diff/?h=nds-private-remove&amp;id=e44d49cbbc5fb1a310b71212acc4e1f378a8fd91'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/'>
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<div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='h' value='nds-private-remove'/><input type='hidden' name='id' value='e44d49cbbc5fb1a310b71212acc4e1f378a8fd91'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>Nogah Frankel &lt;nogahf@mellanox.com&gt;</td><td class='right'>2016-09-20 11:16:55 +0200</td></tr>
<tr><th>committer</th><td>David S. Miller &lt;davem@davemloft.net&gt;</td><td class='right'>2016-09-21 01:00:59 -0400</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/?h=nds-private-remove&amp;id=e44d49cbbc5fb1a310b71212acc4e1f378a8fd91'>e44d49cbbc5fb1a310b71212acc4e1f378a8fd91</a> (<a href='/cgit.cgi/linux/net-next.git/patch/?id=e44d49cbbc5fb1a310b71212acc4e1f378a8fd91'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?h=nds-private-remove&amp;id=e44d49cbbc5fb1a310b71212acc4e1f378a8fd91'>5ef54199b5feb63bbfdeb961024bae2d2042d3ef</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/?h=nds-private-remove&amp;id=9497c042bfa9012cdefaddd8588b031bfae59a7c'>9497c042bfa9012cdefaddd8588b031bfae59a7c</a> (<a href='/cgit.cgi/linux/net-next.git/diff/?h=nds-private-remove&amp;id=e44d49cbbc5fb1a310b71212acc4e1f378a8fd91&amp;id2=9497c042bfa9012cdefaddd8588b031bfae59a7c'>diff</a>)</td></tr></table>
<div class='commit-subject'>mlxsw: pci: Add some miscellaneous resources</div><div class='commit-msg'>Add max system ports, max regions and max vlan groups to resource query.

Signed-off-by: Nogah Frankel &lt;nogahf@mellanox.com&gt;
Reviewed-by: Ido Schimmel &lt;idosch@mellanox.com&gt;
Signed-off-by: Jiri Pirko &lt;jiri@mellanox.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?h=nds-private-remove&amp;id=e44d49cbbc5fb1a310b71212acc4e1f378a8fd91'>Diffstat</a></div><table summary='diffstat' class='diffstat'>