/*
 * 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 */
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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='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='607fca9acfb62a9caf7bd46771ecbc4d8fec7388'/><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>David Ahern &lt;dsa@cumulusnetworks.com&gt;</td><td class='right'>2016-08-24 20:10:45 -0700</td></tr>
<tr><th>committer</th><td>David S. Miller &lt;davem@davemloft.net&gt;</td><td class='right'>2016-08-30 22:27:18 -0700</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/?id=607fca9acfb62a9caf7bd46771ecbc4d8fec7388'>607fca9acfb62a9caf7bd46771ecbc4d8fec7388</a> (<a href='/cgit.cgi/linux/net-next.git/patch/?id=607fca9acfb62a9caf7bd46771ecbc4d8fec7388'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=607fca9acfb62a9caf7bd46771ecbc4d8fec7388'>bfa1f1a6174f542d98eba376a54cdd8f568f4f09</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/?id=48d2ab609b6bbecb7698487c8579bc40de9d6dfa'>48d2ab609b6bbecb7698487c8579bc40de9d6dfa</a> (<a href='/cgit.cgi/linux/net-next.git/diff/?id=607fca9acfb62a9caf7bd46771ecbc4d8fec7388&amp;id2=48d2ab609b6bbecb7698487c8579bc40de9d6dfa'>diff</a>)</td></tr></table>
<div class='commit-subject'>net: veth: Set features for MPLS</div><div class='commit-msg'>veth does not really transmit packets only moves the skb from one
netdev to another so gso and checksum is not really needed. Add
the features to mpls_features to get the same benefit and performance
with MPLS as without it.

Reported-by: Lennert Buytenhek &lt;buytenh@wantstofly.org&gt;
Signed-off-by: David Ahern &lt;dsa@cumulusnetworks.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/?id=607fca9acfb62a9caf7bd46771ecbc4d8fec7388'>Diffstat</a></div><table summary='diffstat' class='diffstat'>