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[v2,3/7] net: qrtr: Add control packet definition to uapi

Message ID 20171011064523.7902-4-bjorn.andersson@linaro.org
State Accepted
Commit da7653f0faabbe45eb2d3fd6e4b400fe003e81ae
Headers show
Series [v2,1/7] net: qrtr: Invoke sk_error_report() after setting sk_err | expand

Commit Message

Bjorn Andersson Oct. 11, 2017, 6:45 a.m. UTC 
The QMUX protocol specification defines structure of the special control
packet messages being sent between handlers of the control port.

Add these to the uapi header, as this structure and the associated types
are shared between the kernel and all userspace handlers of control
messages.

Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

---

Changes since v1:
- None

 include/uapi/linux/qrtr.h | 32 ++++++++++++++++++++++++++++++++
 net/qrtr/qrtr.c           | 12 ------------
 2 files changed, 32 insertions(+), 12 deletions(-)

-- 
2.12.0
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Patch

diff --git a/include/uapi/linux/qrtr.h b/include/uapi/linux/qrtr.h
index 63e8803e4d90..179af64846e0 100644
--- a/include/uapi/linux/qrtr.h
+++ b/include/uapi/linux/qrtr.h
@@ -13,4 +13,36 @@  struct sockaddr_qrtr {
 	__u32 sq_port;
 };
 
+enum qrtr_pkt_type {
+	QRTR_TYPE_DATA		= 1,
+	QRTR_TYPE_HELLO		= 2,
+	QRTR_TYPE_BYE		= 3,
+	QRTR_TYPE_NEW_SERVER	= 4,
+	QRTR_TYPE_DEL_SERVER	= 5,
+	QRTR_TYPE_DEL_CLIENT	= 6,
+	QRTR_TYPE_RESUME_TX	= 7,
+	QRTR_TYPE_EXIT          = 8,
+	QRTR_TYPE_PING          = 9,
+	QRTR_TYPE_NEW_LOOKUP	= 10,
+	QRTR_TYPE_DEL_LOOKUP	= 11,
+};
+
+struct qrtr_ctrl_pkt {
+	__le32 cmd;
+
+	union {
+		struct {
+			__le32 service;
+			__le32 instance;
+			__le32 node;
+			__le32 port;
+		} server;
+
+		struct {
+			__le32 node;
+			__le32 port;
+		} client;
+	};
+} __packed;
+
 #endif /* _LINUX_QRTR_H */
diff --git a/net/qrtr/qrtr.c b/net/qrtr/qrtr.c
index 15981abc042c..d85ca7170b8f 100644
--- a/net/qrtr/qrtr.c
+++ b/net/qrtr/qrtr.c
@@ -26,18 +26,6 @@ 
 #define QRTR_MIN_EPH_SOCKET 0x4000
 #define QRTR_MAX_EPH_SOCKET 0x7fff
 
-enum qrtr_pkt_type {
-	QRTR_TYPE_DATA		= 1,
-	QRTR_TYPE_HELLO		= 2,
-	QRTR_TYPE_BYE		= 3,
-	QRTR_TYPE_NEW_SERVER	= 4,
-	QRTR_TYPE_DEL_SERVER	= 5,
-	QRTR_TYPE_DEL_CLIENT	= 6,
-	QRTR_TYPE_RESUME_TX	= 7,
-	QRTR_TYPE_EXIT		= 8,
-	QRTR_TYPE_PING		= 9,
-};
-
 /**
  * struct qrtr_hdr - (I|R)PCrouter packet header
  * @version: protocol version