netdev - [PATCH V5 2/9] Drivers: hv: vmbus: define the new offer type for Hyper-V socket (hvsock)

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Message-Id: <1450966459-13109-1-git-send-email-decui@microsoft.com>
Date:	Thu, 24 Dec 2015 06:14:19 -0800
From:	Dexuan Cui <decui@...rosoft.com>
To:	gregkh@...uxfoundation.org, davem@...emloft.net,
	stephen@...workplumber.org, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	driverdev-devel@...uxdriverproject.org, olaf@...fle.de,
	apw@...onical.com, jasowang@...hat.com, kys@...rosoft.com
Cc:	pebolle@...cali.nl, stefanha@...hat.com, vkuznets@...hat.com,
	dan.carpenter@...cle.com
Subject: [PATCH V5 2/9] Drivers: hv: vmbus: define the new offer type for Hyper-V socket (hvsock)

A helper function is also added.

Signed-off-by: Dexuan Cui <decui@...rosoft.com>
---
 include/linux/hyperv.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h
index e4867a7..c0eddd7 100644
--- a/include/linux/hyperv.h
+++ b/include/linux/hyperv.h
@@ -235,6 +235,7 @@ struct vmbus_channel_offer {
 #define VMBUS_CHANNEL_LOOPBACK_OFFER			0x100
 #define VMBUS_CHANNEL_PARENT_OFFER			0x200
 #define VMBUS_CHANNEL_REQUEST_MONITORED_NOTIFICATION	0x400
+#define VMBUS_CHANNEL_TLNPI_PROVIDER_OFFER		0x2000
 
 struct vmpacket_descriptor {
 	u16 type;
@@ -769,6 +770,12 @@ struct vmbus_channel {
 	enum hv_signal_policy  signal_policy;
 };
 
+static inline bool is_hvsock_channel(const struct vmbus_channel *c)
+{
+	return !!(c->offermsg.offer.chn_flags &
+		  VMBUS_CHANNEL_TLNPI_PROVIDER_OFFER);
+}
+
 static inline void set_channel_signal_state(struct vmbus_channel *c,
 					    enum hv_signal_policy policy)
 {
-- 
2.1.4

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