#ifndef _UAPI_LWTUNNEL_H_
#define _UAPI_LWTUNNEL_H_

#include <linux/types.h>

enum lwtunnel_encap_types {
	LWTUNNEL_ENCAP_NONE,
	LWTUNNEL_ENCAP_MPLS,
	LWTUNNEL_ENCAP_IP,
	LWTUNNEL_ENCAP_ILA,
	LWTUNNEL_ENCAP_IP6,
	LWTUNNEL_ENCAP_SEG6,
	LWTUNNEL_ENCAP_BPF,
	__LWTUNNEL_ENCAP_MAX,
};

#define LWTUNNEL_ENCAP_MAX (__LWTUNNEL_ENCAP_MAX - 1)

enum lwtunnel_ip_t {
	LWTUNNEL_IP_UNSPEC,
	LWTUNNEL_IP_ID,
	LWTUNNEL_IP_DST,
	LWTUNNEL_IP_SRC,
	LWTUNNEL_IP_TTL,
	LWTUNNEL_IP_TOS,
	LWTUNNEL_IP_FLAGS,
	LWTUNNEL_IP_PAD,
	__LWTUNNEL_IP_MAX,
};

#define LWTUNNEL_IP_MAX (__LWTUNNEL_IP_MAX - 1)

enum lwtunnel_ip6_t {
	LWTUNNEL_IP6_UNSPEC,
	LWTUNNEL_IP6_ID,
	LWTUNNEL_IP6_DST,
	LWTUNNEL_IP6_SRC,
	LWTUNNEL_IP6_HOPLIMIT,
	LWTUNNEL_IP6_TC,
	LWTUNNEL_IP6_FLAGS,
	LWTUNNEL_IP6_PAD,
	__LWTUNNEL_IP6_MAX,
};

#define LWTUNNEL_IP6_MAX (__LWTUNNEL_IP6_MAX - 1)

enum {
	LWT_BPF_PROG_UNSPEC,
	LWT_BPF_PROG_FD,
	LWT_BPF_PROG_NAME,
	__LWT_BPF_PROG_MAX,
};

#define LWT_BPF_PROG_MAX (__LWT_BPF_PROG_MAX - 1)

enum {
	LWT_BPF_UNSPEC,
	LWT_BPF_IN,
	LWT_BPF_OUT,
	LWT_BPF_XMIT,
	LWT_BPF_XMIT_HEADROOM,
	__LWT_BPF_MAX,
};

#define LWT_BPF_MAX (__LWT_BPF_MAX - 1)

#define LWT_BPF_MAX_HEADROOM 256

#endif /* _UAPI_LWTUNNEL_H_ */
-remove' selected='selected'>nds-private-remove</option>
<option value='packet-loop-back'>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=433e19cf33d34bb6751c874a9c00980552fe508c'>refs</a><a href='/cgit.cgi/linux/net-next.git/log/drivers/usb/early?h=nds-private-remove'>log</a><a href='/cgit.cgi/linux/net-next.git/tree/drivers/usb/early?h=nds-private-remove&amp;id=433e19cf33d34bb6751c874a9c00980552fe508c'>tree</a><a class='active' href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/early?h=nds-private-remove&amp;id=433e19cf33d34bb6751c874a9c00980552fe508c'>commit</a><a href='/cgit.cgi/linux/net-next.git/diff/drivers/usb/early?h=nds-private-remove&amp;id=433e19cf33d34bb6751c874a9c00980552fe508c'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/drivers/usb/early'>
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?h=nds-private-remove&amp;id=433e19cf33d34bb6751c874a9c00980552fe508c'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/drivers?h=nds-private-remove&amp;id=433e19cf33d34bb6751c874a9c00980552fe508c'>drivers</a>/<a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb?h=nds-private-remove&amp;id=433e19cf33d34bb6751c874a9c00980552fe508c'>usb</a>/<a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/early?h=nds-private-remove&amp;id=433e19cf33d34bb6751c874a9c00980552fe508c'>early</a></div><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='433e19cf33d34bb6751c874a9c00980552fe508c'/><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>Dexuan Cui &lt;decui@microsoft.com&gt;</td><td class='right'>2017-01-28 11:46:02 -0700</td></tr>
<tr><th>committer</th><td>Greg Kroah-Hartman &lt;gregkh@linuxfoundation.org&gt;</td><td class='right'>2017-01-31 10:59:48 +0100</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/early?h=nds-private-remove&amp;id=433e19cf33d34bb6751c874a9c00980552fe508c'>433e19cf33d34bb6751c874a9c00980552fe508c</a> (<a href='/cgit.cgi/linux/net-next.git/patch/drivers/usb/early?id=433e19cf33d34bb6751c874a9c00980552fe508c'>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=433e19cf33d34bb6751c874a9c00980552fe508c'>ce6547ef2987fbb289fa28f03536328a42781651</a> /<a href='/cgit.cgi/linux/net-next.git/tree/drivers/usb/early?h=nds-private-remove&amp;id=433e19cf33d34bb6751c874a9c00980552fe508c'>drivers/usb/early</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/early?h=nds-private-remove&amp;id=191e885a2e130e639bb0c8ee350d7047294f2ce6'>191e885a2e130e639bb0c8ee350d7047294f2ce6</a> (<a href='/cgit.cgi/linux/net-next.git/diff/drivers/usb/early?h=nds-private-remove&amp;id=433e19cf33d34bb6751c874a9c00980552fe508c&amp;id2=191e885a2e130e639bb0c8ee350d7047294f2ce6'>diff</a>)</td></tr></table>
<div class='commit-subject'>Drivers: hv: vmbus: finally fix hv_need_to_signal_on_read()</div><div class='commit-msg'>Commit a389fcfd2cb5 ("Drivers: hv: vmbus: Fix signaling logic in
hv_need_to_signal_on_read()")
added the proper mb(), but removed the test "prev_write_sz &lt; pending_sz"
when making the signal decision.

As a result, the guest can signal the host unnecessarily,
and then the host can throttle the guest because the host
thinks the guest is buggy or malicious; finally the user
running stress test can perceive intermittent freeze of
the guest.

This patch brings back the test, and properly handles the
in-place consumption APIs used by NetVSC (see get_next_pkt_raw(),
put_pkt_raw() and commit_rd_index()).

Fixes: a389fcfd2cb5 ("Drivers: hv: vmbus: Fix signaling logic in
hv_need_to_signal_on_read()")

Signed-off-by: Dexuan Cui &lt;decui@microsoft.com&gt;
Reported-by: Rolf Neugebauer &lt;rolf.neugebauer@docker.com&gt;
Tested-by: Rolf Neugebauer &lt;rolf.neugebauer@docker.com&gt;
Cc: "K. Y. Srinivasan" &lt;kys@microsoft.com&gt;
Cc: Haiyang Zhang &lt;haiyangz@microsoft.com&gt;
Cc: Stephen Hemminger &lt;sthemmin@microsoft.com&gt;
Cc: &lt;stable@vger.kernel.org&gt;
Signed-off-by: K. Y. Srinivasan &lt;kys@microsoft.com&gt;
Signed-off-by: Greg Kroah-Hartman &lt;gregkh@linuxfoundation.org&gt;
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?h=nds-private-remove&amp;id=433e19cf33d34bb6751c874a9c00980552fe508c'>Diffstat</a> (limited to 'drivers/usb/early')</div><table summary='diffstat' class='diffstat'>